diff options
Diffstat (limited to 'src')
223 files changed, 87303 insertions, 0 deletions
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt new file mode 100644 index 0000000..262feea --- /dev/null +++ b/src/CMakeLists.txt @@ -0,0 +1,36 @@ +cmake_minimum_required(VERSION 3.11) + +option(ENABLE_64_BIT_WORDS "Set FLAC__BYTES_PER_WORD to 8, for 64-bit machines. For 32-bit machines, turning this off might give a tiny speed improvement" ON) +option(BUILD_UTILS "Build utils" OFF) + +add_subdirectory("libFLAC") +if(BUILD_CXXLIBS) + add_subdirectory("libFLAC++") +endif() +add_subdirectory("share/replaygain_analysis") +add_subdirectory("share/replaygain_synthesis") +add_subdirectory("share/getopt") +add_subdirectory("share/utf8") +add_subdirectory("share/grabbag") + +if(BUILD_PROGRAMS) + add_subdirectory("flac") + add_subdirectory("metaflac") +endif() +if(BUILD_UTILS) + add_subdirectory(utils/flacdiff) + if(WIN32) + add_subdirectory(utils/flactimer) + endif() +endif() + +if(BUILD_TESTING) + add_subdirectory("test_libs_common") + add_subdirectory("test_libFLAC") + if(BUILD_CXXLIBS) + add_subdirectory("test_libFLAC++") + endif() + add_subdirectory("test_grabbag") + add_subdirectory("test_seeking") + add_subdirectory("test_streams") +endif() diff --git a/src/Makefile.am b/src/Makefile.am new file mode 100644 index 0000000..e9d60a9 --- /dev/null +++ b/src/Makefile.am @@ -0,0 +1,40 @@ +# FLAC - Free Lossless Audio Codec +# Copyright (C) 2001-2009 Josh Coalson +# Copyright (C) 2011-2023 Xiph.Org Foundation +# +# This file is part the FLAC project. FLAC is comprised of several +# components distributed under different licenses. The codec libraries +# are distributed under Xiph.Org's BSD-like license (see the file +# COPYING.Xiph in this distribution). All other programs, libraries, and +# plugins are distributed under the GPL (see COPYING.GPL). The documentation +# is distributed under the Gnu FDL (see COPYING.FDL). Each file in the +# FLAC distribution contains at the top the terms under which it may be +# distributed. +# +# Since this particular file is relevant to all components of FLAC, +# it may be distributed under the Xiph.Org license, which is the least +# restrictive of those mentioned above. See the file COPYING.Xiph in this +# distribution. + +if FLaC__WITH_CPPLIBS +CPPLIBS_DIRS = libFLAC++ test_libFLAC++ +endif + +if FLaC__WITH_PROGRAMS +PROGRAMS_DIRS = flac metaflac +endif + +SUBDIRS = \ + libFLAC \ + share \ + $(PROGRAMS_DIRS) \ + test_grabbag \ + test_libs_common \ + test_libFLAC \ + test_seeking \ + test_streams \ + utils \ + $(CPPLIBS_DIRS) + +EXTRA_DIST = \ + CMakeLists.txt diff --git a/src/Makefile.in b/src/Makefile.in new file mode 100644 index 0000000..808cc51 --- /dev/null +++ b/src/Makefile.in @@ -0,0 +1,694 @@ +# Makefile.in generated by automake 1.16.5 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2021 Free Software Foundation, Inc. + +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. + +@SET_MAKE@ + +# FLAC - Free Lossless Audio Codec +# Copyright (C) 2001-2009 Josh Coalson +# Copyright (C) 2011-2023 Xiph.Org Foundation +# +# This file is part the FLAC project. 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you can redistribute it and/or +# modify it under the terms of the GNU General Public License +# as published by the Free Software Foundation; either version 2 +# of the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License along +# with this program; if not, write to the Free Software Foundation, Inc., +# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + +if OS_IS_WINDOWS +win_utf8_lib = $(top_builddir)/src/share/win_utf8_io/libwin_utf8_io.la +if HAVE_WINDRES +flac_DEPENDENCIES = version.o +windows_resource_link = -Wl,version.o +endif +endif + +bin_PROGRAMS = flac + +AM_CFLAGS = @OGG_CFLAGS@ +AM_CPPFLAGS = -I$(top_builddir) -I$(srcdir)/include -I$(top_srcdir)/include +EXTRA_DIST = \ + CMakeLists.txt \ + iffscan.c \ + version.rc + +flac_SOURCES = \ + analyze.c \ + decode.c \ + encode.c \ + foreign_metadata.c \ + main.c \ + local_string_utils.c \ + utils.c \ + vorbiscomment.c \ + analyze.h \ + decode.h \ + encode.h \ + foreign_metadata.h \ + local_string_utils.h \ + utils.h \ + vorbiscomment.h + +flac_LDADD = \ + $(top_builddir)/src/share/utf8/libutf8.la \ + $(top_builddir)/src/share/grabbag/libgrabbag.la \ + $(top_builddir)/src/share/getopt/libgetopt.la \ + $(top_builddir)/src/share/replaygain_analysis/libreplaygain_analysis.la \ + $(top_builddir)/src/share/replaygain_synthesis/libreplaygain_synthesis.la \ + $(top_builddir)/src/libFLAC/libFLAC.la \ + $(win_utf8_lib) \ + @LTLIBICONV@ \ + -lm + +flac_LDFLAGS = $(AM_LDFLAGS) $(windows_resource_link) + +CLEANFILES = flac.exe + +.rc.o: + $(RC) $(AM_CPPFLAGS) $< $@ diff --git a/src/flac/Makefile.in b/src/flac/Makefile.in new file mode 100644 index 0000000..bc1d11e --- /dev/null +++ b/src/flac/Makefile.in @@ -0,0 +1,782 @@ +# Makefile.in generated by automake 1.16.5 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2021 Free Software Foundation, Inc. + +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. + +@SET_MAKE@ + +# flac - Command-line FLAC encoder/decoder +# Copyright (C) 2000-2009 Josh Coalson +# Copyright (C) 2011-2023 Xiph.Org Foundation +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License +# as published by the Free Software Foundation; either version 2 +# of the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 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2000-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include <errno.h> +#include <math.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include "FLAC/all.h" +#include "analyze.h" + +#include "share/compat.h" + +typedef struct { + FLAC__int32 residual; + uint32_t count; +} pair_t; + +typedef struct { + pair_t buckets[FLAC__MAX_BLOCK_SIZE]; + int peak_index; + uint32_t nbuckets; + uint32_t nsamples; + double sum, sos; + double variance; + double mean; + double stddev; +} subframe_stats_t; + +static subframe_stats_t all_; + +static void init_stats(subframe_stats_t *stats); +static void update_stats(subframe_stats_t *stats, FLAC__int32 residual, uint32_t incr); +static void compute_stats(subframe_stats_t *stats); +static FLAC__bool dump_stats(const subframe_stats_t *stats, const char *filename); + +void flac__analyze_init(analysis_options aopts) +{ + if(aopts.do_residual_gnuplot) { + init_stats(&all_); + } +} + +void flac__analyze_frame(const FLAC__Frame *frame, uint32_t frame_number, FLAC__uint64 frame_offset, FLAC__uint64 frame_bytes, analysis_options aopts, FILE *fout) +{ + const uint32_t channels = frame->header.channels; + char outfilename[1024]; + subframe_stats_t stats; + uint32_t i, channel, partitions; + + /* do the human-readable part first */ + fprintf(fout, "frame=%u\toffset=%" PRIu64 "\tbits=%" PRIu64 "\tblocksize=%u\tsample_rate=%u\tchannels=%u\tchannel_assignment=%s\n", frame_number, frame_offset, frame_bytes*8, frame->header.blocksize, frame->header.sample_rate, channels, FLAC__ChannelAssignmentString[frame->header.channel_assignment]); + for(channel = 0; channel < channels; channel++) { + const FLAC__Subframe *subframe = frame->subframes+channel; + const FLAC__bool is_rice2 = subframe->data.fixed.entropy_coding_method.type == FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2; + const uint32_t pesc = is_rice2? FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2_ESCAPE_PARAMETER : FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ESCAPE_PARAMETER; + fprintf(fout, "\tsubframe=%u\twasted_bits=%u\ttype=%s", channel, subframe->wasted_bits, FLAC__SubframeTypeString[subframe->type]); + switch(subframe->type) { + case FLAC__SUBFRAME_TYPE_CONSTANT: + fprintf(fout, "\tvalue=%" PRId64 "\n", subframe->data.constant.value); + break; + case FLAC__SUBFRAME_TYPE_FIXED: + FLAC__ASSERT(subframe->data.fixed.entropy_coding_method.type <= FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2); + fprintf(fout, "\torder=%u\tresidual_type=%s\tpartition_order=%u\n", subframe->data.fixed.order, is_rice2? "RICE2":"RICE", subframe->data.fixed.entropy_coding_method.data.partitioned_rice.order); + for(i = 0; i < subframe->data.fixed.order; i++) + fprintf(fout, "\t\twarmup[%u]=%" PRId64 "\n", i, subframe->data.fixed.warmup[i]); + partitions = (1u << subframe->data.fixed.entropy_coding_method.data.partitioned_rice.order); + for(i = 0; i < partitions; i++) { + uint32_t parameter = subframe->data.fixed.entropy_coding_method.data.partitioned_rice.contents->parameters[i]; + if(parameter == pesc) + fprintf(fout, "\t\tparameter[%u]=ESCAPE, raw_bits=%u\n", i, subframe->data.fixed.entropy_coding_method.data.partitioned_rice.contents->raw_bits[i]); + else + fprintf(fout, "\t\tparameter[%u]=%u\n", i, parameter); + } + if(aopts.do_residual_text) { + for(i = 0; i < frame->header.blocksize-subframe->data.fixed.order; i++) + fprintf(fout, "\t\tresidual[%u]=%d\n", i, subframe->data.fixed.residual[i]); + } + break; + case FLAC__SUBFRAME_TYPE_LPC: + FLAC__ASSERT(subframe->data.lpc.entropy_coding_method.type <= FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2); + fprintf(fout, "\torder=%u\tqlp_coeff_precision=%u\tquantization_level=%d\tresidual_type=%s\tpartition_order=%u\n", subframe->data.lpc.order, subframe->data.lpc.qlp_coeff_precision, subframe->data.lpc.quantization_level, is_rice2? "RICE2":"RICE", subframe->data.lpc.entropy_coding_method.data.partitioned_rice.order); + for(i = 0; i < subframe->data.lpc.order; i++) + fprintf(fout, "\t\tqlp_coeff[%u]=%d\n", i, subframe->data.lpc.qlp_coeff[i]); + for(i = 0; i < subframe->data.lpc.order; i++) + fprintf(fout, "\t\twarmup[%u]=%" PRId64 "\n", i, subframe->data.lpc.warmup[i]); + partitions = (1u << subframe->data.lpc.entropy_coding_method.data.partitioned_rice.order); + for(i = 0; i < partitions; i++) { + uint32_t parameter = subframe->data.lpc.entropy_coding_method.data.partitioned_rice.contents->parameters[i]; + if(parameter == pesc) + fprintf(fout, "\t\tparameter[%u]=ESCAPE, raw_bits=%u\n", i, subframe->data.lpc.entropy_coding_method.data.partitioned_rice.contents->raw_bits[i]); + else + fprintf(fout, "\t\tparameter[%u]=%u\n", i, parameter); + } + if(aopts.do_residual_text) { + for(i = 0; i < frame->header.blocksize-subframe->data.lpc.order; i++) + fprintf(fout, "\t\tresidual[%u]=%d\n", i, subframe->data.lpc.residual[i]); + } + break; + case FLAC__SUBFRAME_TYPE_VERBATIM: + fprintf(fout, "\n"); + break; + } + } + + /* now do the residual distributions if requested */ + if(aopts.do_residual_gnuplot) { + for(channel = 0; channel < channels; channel++) { + const FLAC__Subframe *subframe = frame->subframes+channel; + uint32_t residual_samples; + + init_stats(&stats); + + switch(subframe->type) { + case FLAC__SUBFRAME_TYPE_FIXED: + residual_samples = frame->header.blocksize - subframe->data.fixed.order; + for(i = 0; i < residual_samples; i++) + update_stats(&stats, subframe->data.fixed.residual[i], 1); + break; + case FLAC__SUBFRAME_TYPE_LPC: + residual_samples = frame->header.blocksize - subframe->data.lpc.order; + for(i = 0; i < residual_samples; i++) + update_stats(&stats, subframe->data.lpc.residual[i], 1); + break; + default: + break; + } + + /* update all_ */ + for(i = 0; i < stats.nbuckets; i++) { + update_stats(&all_, stats.buckets[i].residual, stats.buckets[i].count); + } + + if(stats.nsamples > 0) { + /* write the subframe */ + flac_snprintf(outfilename, sizeof (outfilename), "f%06u.s%u.gp", frame_number, channel); + compute_stats(&stats); + + (void)dump_stats(&stats, outfilename); + } + } + } +} + +void flac__analyze_finish(analysis_options aopts) +{ + if(aopts.do_residual_gnuplot && all_.nsamples > 0) { + compute_stats(&all_); + (void)dump_stats(&all_, "all"); + } +} + +void init_stats(subframe_stats_t *stats) +{ + stats->peak_index = -1; + stats->nbuckets = 0; + stats->nsamples = 0; + stats->sum = 0.0; + stats->sos = 0.0; +} + +void update_stats(subframe_stats_t *stats, FLAC__int32 residual, uint32_t incr) +{ + uint32_t i; + const double r = (double)residual, a = r*incr; + + stats->nsamples += incr; + stats->sum += a; + stats->sos += (a*r); + + for(i = 0; i < stats->nbuckets; i++) { + if(stats->buckets[i].residual == residual) { + stats->buckets[i].count += incr; + goto find_peak; + } + } + /* not found, make a new bucket */ + i = stats->nbuckets; + stats->buckets[i].residual = residual; + stats->buckets[i].count = incr; + stats->nbuckets++; +find_peak: + if(stats->peak_index < 0 || stats->buckets[i].count > stats->buckets[stats->peak_index].count) + stats->peak_index = i; +} + +void compute_stats(subframe_stats_t *stats) +{ + stats->mean = stats->sum / (double)stats->nsamples; + stats->variance = (stats->sos - (stats->sum * stats->sum / stats->nsamples)) / stats->nsamples; + stats->stddev = sqrt(stats->variance); +} + +FLAC__bool dump_stats(const subframe_stats_t *stats, const char *filename) +{ + FILE *outfile; + uint32_t i; + const double m = stats->mean; + const double s1 = stats->stddev, s2 = s1*2, s3 = s1*3, s4 = s1*4, s5 = s1*5, s6 = s1*6; + const double p = stats->buckets[stats->peak_index].count; + + outfile = flac_fopen(filename, "w"); + + if(0 == outfile) { + fprintf(stderr, "ERROR opening %s: %s\n", filename, strerror(errno)); + return false; + } + + fprintf(outfile, "plot '-' title 'PDF', '-' title 'mean' with impulses, '-' title '1-stddev' with histeps, '-' title '2-stddev' with histeps, '-' title '3-stddev' with histeps, '-' title '4-stddev' with histeps, '-' title '5-stddev' with histeps, '-' title '6-stddev' with histeps\n"); + + for(i = 0; i < stats->nbuckets; i++) { + fprintf(outfile, "%d %u\n", stats->buckets[i].residual, stats->buckets[i].count); + } + fprintf(outfile, "e\n"); + + fprintf(outfile, "%f %f\ne\n", stats->mean, p); + fprintf(outfile, "%f %f\n%f %f\ne\n", m-s1, p*0.8, m+s1, p*0.8); + fprintf(outfile, "%f %f\n%f %f\ne\n", m-s2, p*0.7, m+s2, p*0.7); + fprintf(outfile, "%f %f\n%f %f\ne\n", m-s3, p*0.6, m+s3, p*0.6); + fprintf(outfile, "%f %f\n%f %f\ne\n", m-s4, p*0.5, m+s4, p*0.5); + fprintf(outfile, "%f %f\n%f %f\ne\n", m-s5, p*0.4, m+s5, p*0.4); + fprintf(outfile, "%f %f\n%f %f\ne\n", m-s6, p*0.3, m+s6, p*0.3); + + fprintf(outfile, "pause -1 'waiting...'\n"); + + fclose(outfile); +#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION + unlink(filename); +#endif + return true; +} diff --git a/src/flac/analyze.h b/src/flac/analyze.h new file mode 100644 index 0000000..ce07b14 --- /dev/null +++ b/src/flac/analyze.h @@ -0,0 +1,32 @@ +/* flac - Command-line FLAC encoder/decoder + * Copyright (C) 2000-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifndef flac__analyze_h +#define flac__analyze_h + +typedef struct { + FLAC__bool do_residual_text; + FLAC__bool do_residual_gnuplot; +} analysis_options; + +void flac__analyze_init(analysis_options aopts); +void flac__analyze_frame(const FLAC__Frame *frame, uint32_t frame_number, FLAC__uint64 frame_offset, FLAC__uint64 frame_bytes, analysis_options aopts, FILE *fout); +void flac__analyze_finish(analysis_options aopts); + +#endif diff --git a/src/flac/decode.c b/src/flac/decode.c new file mode 100644 index 0000000..90f7a6c --- /dev/null +++ b/src/flac/decode.c @@ -0,0 +1,1674 @@ +/* flac - Command-line FLAC encoder/decoder + * Copyright (C) 2000-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include <errno.h> +#include <math.h> /* for floor() */ +#include <stdio.h> /* for FILE etc. */ +#include <string.h> /* for strcmp(), strerror() */ +#include <time.h> /* for clock() */ +#include "FLAC/all.h" +#include "share/grabbag.h" +#include "share/replaygain_synthesis.h" +#include "share/compat.h" +#include "decode.h" + +typedef struct { +#if FLAC__HAS_OGG + FLAC__bool is_ogg; + FLAC__bool use_first_serial_number; + long serial_number; +#endif + + FileFormat format; + FileSubFormat subformat; + FLAC__bool treat_warnings_as_errors; + FLAC__bool continue_through_decode_errors; + FLAC__bool channel_map_none; + FLAC__bool relaxed_foreign_metadata_handling; + + struct { + replaygain_synthesis_spec_t spec; + FLAC__bool apply; /* 'spec.apply' is just a request; this 'apply' means we actually parsed the RG tags and are ready to go */ + double scale; + DitherContext dither_context; + } replaygain; + + FLAC__bool test_only; + FLAC__bool analysis_mode; + analysis_options aopts; + utils__SkipUntilSpecification *skip_specification; + utils__SkipUntilSpecification *until_specification; /* a canonicalized value of 0 mean end-of-stream (i.e. --until=-0) */ + utils__CueSpecification *cue_specification; + + const char *inbasefilename; + const char *infilename; + const char *outfilename; + + FLAC__uint64 samples_processed; + uint32_t frame_counter; + FLAC__bool abort_flag; + FLAC__bool aborting_due_to_until; /* true if we intentionally abort decoding prematurely because we hit the --until point */ + FLAC__bool aborting_due_to_unparseable; /* true if we abort decoding because we hit an unparseable frame */ + FLAC__bool error_callback_suppress_messages; /* turn on to prevent repeating messages from the error callback */ + FLAC__bool warn_user_about_foreign_metadata; /* to prevent more than one warning message per file */ + + FLAC__bool iff_headers_need_fixup; + + FLAC__bool is_big_endian; + FLAC__bool is_unsigned_samples; + FLAC__bool got_stream_info; + FLAC__bool has_md5sum; + FLAC__uint64 total_samples; + uint32_t bps; + uint32_t channels; + uint32_t sample_rate; + FLAC__uint32 channel_mask; + + /* these are used only in analyze mode */ + FLAC__uint64 decode_position; + + FLAC__StreamDecoder *decoder; + + FILE *fout; + + foreign_metadata_t *foreign_metadata; /* NULL unless --keep-foreign-metadata requested */ + FLAC__off_t fm_offset1, fm_offset2, fm_offset3; + + clock_t old_clock_t; +} DecoderSession; + + +static FLAC__bool is_big_endian_host_; + + +/* + * local routines + */ +static FLAC__bool DecoderSession_construct(DecoderSession *d, FLAC__bool is_ogg, FLAC__bool use_first_serial_number, long serial_number, FileFormat format, FileSubFormat subformat, FLAC__bool treat_warnings_as_errors, FLAC__bool continue_through_decode_errors, FLAC__bool channel_map_none, FLAC__bool relaxed_foreign_metadata_handling, replaygain_synthesis_spec_t replaygain_synthesis_spec, FLAC__bool analysis_mode, analysis_options aopts, utils__SkipUntilSpecification *skip_specification, utils__SkipUntilSpecification *until_specification, utils__CueSpecification *cue_specification, foreign_metadata_t *foreign_metadata, const char *infilename, const char *outfilename); +static void DecoderSession_destroy(DecoderSession *d, FLAC__bool error_occurred); +static FLAC__bool DecoderSession_init_decoder(DecoderSession *d, const char *infilename); +static FLAC__bool DecoderSession_process(DecoderSession *d); +static int DecoderSession_finish_ok(DecoderSession *d); +static int DecoderSession_finish_error(DecoderSession *d); +static FLAC__bool canonicalize_until_specification(utils__SkipUntilSpecification *spec, const char *inbasefilename, uint32_t sample_rate, FLAC__uint64 skip, FLAC__uint64 total_samples_in_input); +static FLAC__bool write_iff_headers(FILE *f, DecoderSession *decoder_session, FLAC__uint64 samples); +static FLAC__bool write_riff_wave_fmt_chunk_body(FILE *f, FLAC__bool is_waveformatextensible, uint32_t bps, uint32_t channels, uint32_t sample_rate, FLAC__uint32 channel_mask); +static FLAC__bool write_aiff_form_comm_chunk(FILE *f, FLAC__uint64 samples, uint32_t bps, uint32_t channels, uint32_t sample_rate, FileFormat format, FileSubFormat subformat, FLAC__uint32 comm_length); +static FLAC__bool write_little_endian_uint16(FILE *f, FLAC__uint16 val); +static FLAC__bool write_little_endian_uint32(FILE *f, FLAC__uint32 val); +static FLAC__bool write_little_endian_uint64(FILE *f, FLAC__uint64 val); +static FLAC__bool write_big_endian_uint16(FILE *f, FLAC__uint16 val); +static FLAC__bool write_big_endian_uint32(FILE *f, FLAC__uint32 val); +static FLAC__bool write_sane_extended(FILE *f, uint32_t val); +static FLAC__bool fixup_iff_headers(DecoderSession *d); +static FLAC__StreamDecoderWriteStatus write_callback(const FLAC__StreamDecoder *decoder, const FLAC__Frame *frame, const FLAC__int32 * const buffer[], void *client_data); +static void metadata_callback(const FLAC__StreamDecoder *decoder, const FLAC__StreamMetadata *metadata, void *client_data); +static void error_callback(const FLAC__StreamDecoder *decoder, FLAC__StreamDecoderErrorStatus status, void *client_data); +static void print_error_with_init_status(const DecoderSession *d, const char *message, FLAC__StreamDecoderInitStatus init_status); +static void print_error_with_state(const DecoderSession *d, const char *message); +static void print_stats(const DecoderSession *decoder_session); + + +/* + * public routines + */ +int flac__decode_file(const char *infilename, const char *outfilename, FLAC__bool analysis_mode, analysis_options aopts, decode_options_t options) +{ + DecoderSession decoder_session; + + FLAC__ASSERT( + options.format == FORMAT_WAVE || + options.format == FORMAT_WAVE64 || + options.format == FORMAT_RF64 || + options.format == FORMAT_AIFF || + options.format == FORMAT_AIFF_C || + options.format == FORMAT_RAW + ); + + if(options.format == FORMAT_RAW) { + decoder_session.is_big_endian = options.format_options.raw.is_big_endian; + decoder_session.is_unsigned_samples = options.format_options.raw.is_unsigned_samples; + } + + if(! + DecoderSession_construct( + &decoder_session, +#if FLAC__HAS_OGG + options.is_ogg, + options.use_first_serial_number, + options.serial_number, +#else + /*is_ogg=*/false, + /*use_first_serial_number=*/false, + /*serial_number=*/0, +#endif + options.format, + options.force_subformat, + options.treat_warnings_as_errors, + options.continue_through_decode_errors, + options.channel_map_none, + options.relaxed_foreign_metadata_handling, + options.replaygain_synthesis_spec, + analysis_mode, + aopts, + &options.skip_specification, + &options.until_specification, + options.has_cue_specification? &options.cue_specification : 0, + options.format == FORMAT_RAW? NULL : options.format_options.iff.foreign_metadata, + infilename, + outfilename + ) + ) + return 1; + + stats_new_file(); + if(!DecoderSession_init_decoder(&decoder_session, infilename)) + return DecoderSession_finish_error(&decoder_session); + + if(!DecoderSession_process(&decoder_session)) + return DecoderSession_finish_error(&decoder_session); + + return DecoderSession_finish_ok(&decoder_session); +} + +FLAC__bool DecoderSession_construct(DecoderSession *d, FLAC__bool is_ogg, FLAC__bool use_first_serial_number, long serial_number, FileFormat format, FileSubFormat subformat, FLAC__bool treat_warnings_as_errors, FLAC__bool continue_through_decode_errors, FLAC__bool channel_map_none, FLAC__bool relaxed_foreign_metadata_handling, replaygain_synthesis_spec_t replaygain_synthesis_spec, FLAC__bool analysis_mode, analysis_options aopts, utils__SkipUntilSpecification *skip_specification, utils__SkipUntilSpecification *until_specification, utils__CueSpecification *cue_specification, foreign_metadata_t *foreign_metadata, const char *infilename, const char *outfilename) +{ +#if FLAC__HAS_OGG + d->is_ogg = is_ogg; + d->use_first_serial_number = use_first_serial_number; + d->serial_number = serial_number; +#else + (void)is_ogg; + (void)use_first_serial_number; + (void)serial_number; +#endif + + d->format = format; + d->subformat = subformat; + d->treat_warnings_as_errors = treat_warnings_as_errors; + d->continue_through_decode_errors = continue_through_decode_errors; + d->channel_map_none = channel_map_none; + d->relaxed_foreign_metadata_handling = relaxed_foreign_metadata_handling; + d->replaygain.spec = replaygain_synthesis_spec; + d->replaygain.apply = false; + d->replaygain.scale = 0.0; + /* d->replaygain.dither_context gets initialized later once we know the sample resolution */ + d->test_only = (0 == outfilename); + d->analysis_mode = analysis_mode; + d->aopts = aopts; + d->skip_specification = skip_specification; + d->until_specification = until_specification; + d->cue_specification = cue_specification; + + d->inbasefilename = grabbag__file_get_basename(infilename); + d->infilename = infilename; + d->outfilename = outfilename; + + d->samples_processed = 0; + d->frame_counter = 0; + d->abort_flag = false; + d->aborting_due_to_until = false; + d->aborting_due_to_unparseable = false; + d->error_callback_suppress_messages = false; + if(relaxed_foreign_metadata_handling) + d->warn_user_about_foreign_metadata = false; + else + d->warn_user_about_foreign_metadata = true; + + d->iff_headers_need_fixup = false; + + d->total_samples = 0; + d->got_stream_info = false; + d->has_md5sum = false; + d->bps = 0; + d->channels = 0; + d->sample_rate = UINT32_MAX; + d->channel_mask = 0; + + d->decode_position = 0; + + d->decoder = 0; + + d->fout = 0; /* initialized with an open file later if necessary */ + + d->foreign_metadata = foreign_metadata; + + d->old_clock_t = 0; + + FLAC__ASSERT(!(d->test_only && d->analysis_mode)); + + if(!d->test_only) { + if(0 == strcmp(outfilename, "-")) { + d->fout = grabbag__file_get_binary_stdout(); + } + else { + if(0 == (d->fout = flac_fopen(outfilename, "wb"))) { + flac__utils_printf(stderr, 1, "%s: ERROR: can't open output file %s: %s\n", d->inbasefilename, outfilename, strerror(errno)); + DecoderSession_destroy(d, /*error_occurred=*/true); + return false; + } + } + } + + if(analysis_mode) + flac__analyze_init(aopts); + + return true; +} + +void DecoderSession_destroy(DecoderSession *d, FLAC__bool error_occurred) +{ + if(0 != d->fout && d->fout != stdout) { +#if defined _WIN32 && !defined __CYGWIN__ + if(!error_occurred) { + FLAC__off_t written_size = ftello(d->fout); + if(written_size > 0) { + HANDLE fh = CreateFile_utf8(d->outfilename, GENERIC_READ|GENERIC_WRITE, FILE_SHARE_READ|FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL); + if(fh != INVALID_HANDLE_VALUE) { + if(GetFileType(fh) == FILE_TYPE_DISK) { + LARGE_INTEGER size; + size.QuadPart = written_size; + if(SetFilePointerEx(fh, size, NULL, FILE_CURRENT)) /* correct the file size */ + SetEndOfFile(fh); + } + CloseHandle(fh); + } + } + } +#endif + fclose(d->fout); + +#ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION + /* Always delete output file when fuzzing */ + if(error_occurred) +#endif + flac_unlink(d->outfilename); + } +} + +FLAC__bool DecoderSession_init_decoder(DecoderSession *decoder_session, const char *infilename) +{ + FLAC__StreamDecoderInitStatus init_status; + FLAC__uint32 test = 1; + + is_big_endian_host_ = (*((FLAC__byte*)(&test)))? false : true; + + if(decoder_session->test_only && strcmp(infilename, "-") != 0) { + /* When testing, we can be a little more pedantic, as long + * as we can seek properly */ + FLAC__byte buffer[3]; + FILE * f; + + if(0 == (f = flac_fopen(infilename, "rb"))) { + flac__utils_printf(stderr, 1, "ERROR: can't open input file %s: %s\n", infilename, strerror(errno)); + return false; + } + + if(fread(buffer, 1, 3, f) < 3) { + flac__utils_printf(stderr, 1, "%s: ERROR checking for ID3v2 tag\n", decoder_session->inbasefilename); + fclose(f); + return false; + } + if(memcmp(buffer, "ID3", 3) == 0){ + flac__utils_printf(stderr, 1, "%s: WARNING, ID3v2 tag found. This is non-standard and strongly discouraged\n", decoder_session->inbasefilename); + if(decoder_session->treat_warnings_as_errors) { + fclose(f); + return false; + } + } + fclose(f); + } + + decoder_session->decoder = FLAC__stream_decoder_new(); + + if(0 == decoder_session->decoder) { + flac__utils_printf(stderr, 1, "%s: ERROR creating the decoder instance\n", decoder_session->inbasefilename); + return false; + } + + FLAC__stream_decoder_set_md5_checking(decoder_session->decoder, true); + if (0 != decoder_session->cue_specification) + FLAC__stream_decoder_set_metadata_respond(decoder_session->decoder, FLAC__METADATA_TYPE_CUESHEET); + if (decoder_session->replaygain.spec.apply || !decoder_session->channel_map_none) + FLAC__stream_decoder_set_metadata_respond(decoder_session->decoder, FLAC__METADATA_TYPE_VORBIS_COMMENT); + + if(!decoder_session->analysis_mode && !decoder_session->test_only && decoder_session->foreign_metadata == NULL) { + /* Warn user if foreign metadata is found */ + uint32_t i; + for(i = 0; i < FLAC__FOREIGN_METADATA_NUMBER_OF_RECOGNIZED_APPLICATION_IDS; i++) + FLAC__stream_decoder_set_metadata_respond_application(decoder_session->decoder, (FLAC__byte *)FLAC__FOREIGN_METADATA_APPLICATION_ID[i]); + } + +#if FLAC__HAS_OGG + if(decoder_session->is_ogg) { + if(!decoder_session->use_first_serial_number) + FLAC__stream_decoder_set_ogg_serial_number(decoder_session->decoder, decoder_session->serial_number); + init_status = FLAC__stream_decoder_init_ogg_file(decoder_session->decoder, strcmp(infilename, "-")? infilename : 0, write_callback, metadata_callback, error_callback, /*client_data=*/decoder_session); + } + else +#endif + { + init_status = FLAC__stream_decoder_init_file(decoder_session->decoder, strcmp(infilename, "-")? infilename : 0, write_callback, metadata_callback, error_callback, /*client_data=*/decoder_session); + } + + if(init_status != FLAC__STREAM_DECODER_INIT_STATUS_OK) { + print_error_with_init_status(decoder_session, "ERROR initializing decoder", init_status); + return false; + } + + return true; +} + +FLAC__bool DecoderSession_process(DecoderSession *d) +{ + if(!FLAC__stream_decoder_process_until_end_of_metadata(d->decoder)) { + flac__utils_printf(stderr, 2, "\n"); + print_error_with_state(d, "ERROR while decoding metadata"); + return false; + } + if(FLAC__stream_decoder_get_state(d->decoder) > FLAC__STREAM_DECODER_END_OF_STREAM) { + flac__utils_printf(stderr, 2, "\n"); + print_error_with_state(d, "ERROR during metadata decoding"); + if(!d->continue_through_decode_errors) + return false; + } + + if(d->analysis_mode) + FLAC__stream_decoder_get_decode_position(d->decoder, &d->decode_position); + + if(d->abort_flag) + return false; + + /* set channel mapping */ + /* currently FLAC order matches SMPTE/WAVEFORMATEXTENSIBLE order, so no reordering is necessary; see encode.c */ + /* only the channel mask must be set if it was not already picked up from the WAVEFORMATEXTENSIBLE_CHANNEL_MASK tag */ + if(!d->channel_map_none && d->channel_mask == 0) { + if(d->channels == 1) { + d->channel_mask = 0x0004; + } + else if(d->channels == 2) { + d->channel_mask = 0x0003; + } + else if(d->channels == 3) { + d->channel_mask = 0x0007; + } + else if(d->channels == 4) { + d->channel_mask = 0x0033; + } + else if(d->channels == 5) { + d->channel_mask = 0x0607; + } + else if(d->channels == 6) { + d->channel_mask = 0x060f; + } + else if(d->channels == 7) { + d->channel_mask = 0x070f; + } + else if(d->channels == 8) { + d->channel_mask = 0x063f; + } + } + +#if defined _WIN32 && !defined __CYGWIN__ + if(!d->analysis_mode && !d->test_only && d->total_samples > 0 && d->fout != stdout) { + HANDLE fh = CreateFile_utf8(d->outfilename, GENERIC_READ|GENERIC_WRITE, FILE_SHARE_READ|FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL); + if(fh != INVALID_HANDLE_VALUE) { + if (GetFileType(fh) == FILE_TYPE_DISK) { + LARGE_INTEGER size; + size.QuadPart = d->total_samples * d->channels * ((d->bps+7)/8); + if(d->format != FORMAT_RAW) { + size.QuadPart += 512; + if(d->foreign_metadata) { + size_t i; + for(i = d->format==FORMAT_RF64?2:1; i < d->foreign_metadata->num_blocks; i++) { + if(i != d->foreign_metadata->format_block && i != d->foreign_metadata->audio_block) + size.QuadPart += d->foreign_metadata->blocks[i].size; + } + } + } + + if(SetFilePointerEx(fh, size, NULL, FILE_CURRENT)) /* tell filesystem the expected filesize to eliminate fragmentation */ + SetEndOfFile(fh); + } + CloseHandle(fh); + } + } +#endif + + /* write the WAVE/AIFF headers if necessary */ + if(!d->analysis_mode && !d->test_only && d->format != FORMAT_RAW) { + if(!write_iff_headers(d->fout, d, d->total_samples)) { + d->abort_flag = true; + return false; + } + } + + if(d->skip_specification->value.samples > 0) { + const FLAC__uint64 skip = (FLAC__uint64)d->skip_specification->value.samples; + + if(!FLAC__stream_decoder_seek_absolute(d->decoder, skip)) { + print_error_with_state(d, "ERROR seeking while skipping bytes"); + return false; + } + } + if(!FLAC__stream_decoder_process_until_end_of_stream(d->decoder) && !d->aborting_due_to_until) { + flac__utils_printf(stderr, 2, "\n"); + print_error_with_state(d, "ERROR while decoding data"); + if(!d->continue_through_decode_errors) + return false; + } + if( + (d->abort_flag && !(d->aborting_due_to_until || d->continue_through_decode_errors)) || + (FLAC__stream_decoder_get_state(d->decoder) > FLAC__STREAM_DECODER_END_OF_STREAM && !d->aborting_due_to_until) + ) { + flac__utils_printf(stderr, 2, "\n"); + print_error_with_state(d, "ERROR during decoding"); + return false; + } + + /* write padding bytes for alignment if necessary */ + if(!d->analysis_mode && !d->test_only && d->format != FORMAT_RAW) { + const FLAC__uint64 data_size = d->total_samples * d->channels * ((d->bps+7)/8); + uint32_t padding; + if(d->format != FORMAT_WAVE64) { + padding = (uint32_t)(data_size & 1); + } + else { + /* 8-byte alignment for Wave64 */ + padding = (8 - (uint32_t)(data_size & 7)) & 7; + } + for( ; padding > 0; --padding) { + if(flac__utils_fwrite("\000", 1, 1, d->fout) != 1) { + print_error_with_state( + d, + d->format == FORMAT_WAVE? "ERROR writing pad byte to WAVE data chunk" : + d->format == FORMAT_WAVE64? "ERROR writing pad bytes to WAVE64 data chunk" : + d->format == FORMAT_RF64? "ERROR writing pad byte to RF64 data chunk" : + "ERROR writing pad byte to AIFF SSND chunk" + ); + return false; + } + } + } + + return true; +} + +int DecoderSession_finish_ok(DecoderSession *d) +{ + FLAC__bool ok = true, md5_failure = false; + + if(d->decoder) { + md5_failure = !FLAC__stream_decoder_finish(d->decoder) && !d->aborting_due_to_until; + print_stats(d); + FLAC__stream_decoder_delete(d->decoder); + } + if(d->analysis_mode) + flac__analyze_finish(d->aopts); + if(md5_failure) { + stats_print_name(1, d->inbasefilename); + flac__utils_printf(stderr, 1, "ERROR, MD5 signature mismatch\n"); + ok = d->continue_through_decode_errors; + } + else if(d->got_stream_info && d->total_samples && (d->total_samples > d->samples_processed)){ + stats_print_name(1, d->inbasefilename); + flac__utils_printf(stderr, 1, "ERROR, decoded number of samples is smaller than the total number of samples set in the STREAMINFO\n"); + ok = d->continue_through_decode_errors; + } + else { + if(!d->got_stream_info) { + stats_print_name(1, d->inbasefilename); + flac__utils_printf(stderr, 1, "WARNING, cannot check MD5 signature since there was no STREAMINFO\n"); + ok = !d->treat_warnings_as_errors; + } + else if(!d->has_md5sum) { + stats_print_name(1, d->inbasefilename); + flac__utils_printf(stderr, 1, "WARNING, cannot check MD5 signature since it was unset in the STREAMINFO\n"); + ok = !d->treat_warnings_as_errors; + } + else if(!d->total_samples) { + stats_print_name(1, d->inbasefilename); + flac__utils_printf(stderr, 1, "WARNING, cannot check total number of samples since it was unset in the STREAMINFO\n"); + ok = !d->treat_warnings_as_errors; + } + stats_print_name(2, d->inbasefilename); + flac__utils_printf(stderr, 2, "%s \n", d->test_only? "ok ":d->analysis_mode?"done ":"done"); + } + DecoderSession_destroy(d, /*error_occurred=*/!ok); + if(!d->analysis_mode && !d->test_only && d->format != FORMAT_RAW) { + if(d->iff_headers_need_fixup || (!d->got_stream_info && strcmp(d->outfilename, "-"))) { + if(!fixup_iff_headers(d)) + return 1; + } + if(d->foreign_metadata) { + const char *error; + if(!flac__foreign_metadata_write_to_iff(d->foreign_metadata, d->infilename, d->outfilename, d->fm_offset1, d->fm_offset2, d->fm_offset3, &error)) { + flac__utils_printf(stderr, 1, "ERROR updating foreign metadata from %s to %s: %s\n", d->infilename, d->outfilename, error); + return 1; + } + if(!flac__foreign_metadata_compare_with_iff(d->foreign_metadata, d->infilename, d->outfilename, d->fm_offset3, &error)) { + flac__utils_printf(stderr, 1, "ERROR verifying foreign metadata restore from %s to %s: %s\n", d->infilename, d->outfilename, error); + return 1; + } + } + } + return ok? 0 : 1; +} + +int DecoderSession_finish_error(DecoderSession *d) +{ + if(d->decoder) { + (void)FLAC__stream_decoder_finish(d->decoder); + FLAC__stream_decoder_delete(d->decoder); + } + if(d->analysis_mode) + flac__analyze_finish(d->aopts); + DecoderSession_destroy(d, /*error_occurred=*/true); + return 1; +} + +FLAC__bool canonicalize_until_specification(utils__SkipUntilSpecification *spec, const char *inbasefilename, uint32_t sample_rate, FLAC__uint64 skip, FLAC__uint64 total_samples_in_input) +{ + /* convert from mm:ss.sss to sample number if necessary */ + if(!flac__utils_canonicalize_skip_until_specification(spec, sample_rate)) { + flac__utils_printf(stderr, 1, "%s: ERROR, value of --until is too large\n", inbasefilename); + return false; + } + + /* special case: if "--until=-0", use the special value '0' to mean "end-of-stream" */ + if(spec->is_relative && spec->value.samples == 0) { + spec->is_relative = false; + return true; + } + + /* in any other case the total samples in the input must be known */ + if(total_samples_in_input == 0) { + flac__utils_printf(stderr, 1, "%s: ERROR, cannot use --until when FLAC metadata has total sample count of 0\n", inbasefilename); + return false; + } + + FLAC__ASSERT(spec->value_is_samples); + + /* convert relative specifications to absolute */ + if(spec->is_relative) { + if(spec->value.samples <= 0) + spec->value.samples += (FLAC__int64)total_samples_in_input; + else + spec->value.samples += skip; + spec->is_relative = false; + } + + /* error check */ + if(spec->value.samples < 0) { + flac__utils_printf(stderr, 1, "%s: ERROR, --until value is before beginning of input\n", inbasefilename); + return false; + } + if((FLAC__uint64)spec->value.samples <= skip) { + flac__utils_printf(stderr, 1, "%s: ERROR, --until value is before --skip point\n", inbasefilename); + return false; + } + if((FLAC__uint64)spec->value.samples > total_samples_in_input) { + flac__utils_printf(stderr, 1, "%s: ERROR, --until value is after end of input\n", inbasefilename); + return false; + } + + return true; +} + +FLAC__bool write_iff_headers(FILE *f, DecoderSession *decoder_session, FLAC__uint64 samples) +{ + const FileFormat format = decoder_session->format; + const FileSubFormat subformat = decoder_session->subformat; + const char *fmt_desc = + format==FORMAT_WAVE? "WAVE" : + format==FORMAT_WAVE64? "Wave64" : + format==FORMAT_RF64? "RF64" : + format==FORMAT_AIFF? "AIFF" : + "AIFC"; + const FLAC__bool is_waveformatextensible = + subformat == SUBFORMAT_WAVE_EXTENSIBLE || ( + (format == FORMAT_WAVE || format == FORMAT_WAVE64 || format == FORMAT_RF64) && + subformat != SUBFORMAT_WAVE_PCM && + ( + (decoder_session->channel_mask != 0 && decoder_session->channel_mask != 0x0004 && decoder_session->channel_mask != 0x0003) || + (decoder_session->bps != 8 && decoder_session->bps != 16) || + decoder_session->channels > 2 + )); + const FLAC__uint64 data_size = samples * decoder_session->channels * ((decoder_session->bps+7)/8); + const FLAC__uint64 aligned_data_size = + format == FORMAT_WAVE64? + (data_size+7) & (~(FLAC__uint64)7) : + (data_size+1) & (~(FLAC__uint64)1); + + FLAC__uint64 iff_size; + uint32_t foreign_metadata_size = 0; /* size of all non-audio non-fmt/COMM foreign metadata chunks */ + foreign_metadata_t *fm = decoder_session->foreign_metadata; + size_t i; + + FLAC__ASSERT( + format == FORMAT_WAVE || + format == FORMAT_WAVE64 || + format == FORMAT_RF64 || + format == FORMAT_AIFF || + format == FORMAT_AIFF_C + ); + + if(samples == 0) { + if(f == stdout) { + flac__utils_printf(stderr, 1, "%s: WARNING, don't have accurate sample count available for %s header.\n", decoder_session->inbasefilename, fmt_desc); + flac__utils_printf(stderr, 1, " Generated %s file will have a data chunk size of 0. Try\n", fmt_desc); + flac__utils_printf(stderr, 1, " decoding directly to a file instead.\n"); + if(decoder_session->treat_warnings_as_errors) + return false; + } + else { + decoder_session->iff_headers_need_fixup = true; + } + } + + if(fm) { + FLAC__ASSERT(fm->format_block); + FLAC__ASSERT(fm->audio_block); + FLAC__ASSERT(fm->format_block < fm->audio_block); + /* calc foreign metadata size; we always skip the first chunk, ds64 chunk, format chunk, and sound chunk since we write our own */ + for(i = format==FORMAT_RF64?2:1; i < fm->num_blocks; i++) { + if(i != fm->format_block && i != fm->audio_block) + foreign_metadata_size += fm->blocks[i].size; + } + } + + if(samples == 0) + iff_size = 0; + else if(format == FORMAT_WAVE || format == FORMAT_RF64) + /* 4 for WAVE form bytes */ + /* +{36,0} for ds64 chunk */ + /* +8+{40,16} for fmt chunk header and body */ + /* +8 for data chunk header */ + iff_size = 4 + (format==FORMAT_RF64?36:0) + 8+(is_waveformatextensible?40:16) + 8 + foreign_metadata_size + aligned_data_size; + else if(format == FORMAT_WAVE64) + /* 16+8 for RIFF GUID and size field */ + /* +16 for WAVE GUID */ + /* +16+8+{40,16} for fmt chunk header (GUID and size field) and body */ + /* +16+8 for data chunk header (GUID and size field) */ + iff_size = 16+8 + 16 + 16+8+(is_waveformatextensible?40:16) + 16+8 + foreign_metadata_size + aligned_data_size; + else if(format == FORMAT_AIFF) + iff_size = 46 + foreign_metadata_size + aligned_data_size; + else /* AIFF-C */ + iff_size = 16 + foreign_metadata_size + aligned_data_size + (fm?fm->aifc_comm_length:0); + + if(format != FORMAT_WAVE64 && format != FORMAT_RF64 && iff_size >= 0xFFFFFFF4) { + flac__utils_printf(stderr, 1, "%s: ERROR: stream is too big to fit in a single %s file\n", decoder_session->inbasefilename, fmt_desc); + return false; + } + + if(format == FORMAT_WAVE || format == FORMAT_WAVE64 || format == FORMAT_RF64) { + /* RIFF header */ + switch(format) { + case FORMAT_WAVE: + if(flac__utils_fwrite("RIFF", 1, 4, f) != 4) + return false; + if(!write_little_endian_uint32(f, (FLAC__uint32)iff_size)) /* filesize-8 */ + return false; + if(flac__utils_fwrite("WAVE", 1, 4, f) != 4) + return false; + break; + case FORMAT_WAVE64: + /* RIFF GUID 66666972-912E-11CF-A5D6-28DB04C10000 */ + if(flac__utils_fwrite("\x72\x69\x66\x66\x2E\x91\xCF\x11\xA5\xD6\x28\xDB\x04\xC1\x00\x00", 1, 16, f) != 16) + return false; + if(!write_little_endian_uint64(f, iff_size)) + return false; + /* WAVE GUID 65766177-ACF3-11D3-8CD1-00C04F8EDB8A */ + if(flac__utils_fwrite("\x77\x61\x76\x65\xF3\xAC\xD3\x11\x8C\xD1\x00\xC0\x4F\x8E\xDB\x8A", 1, 16, f) != 16) + return false; + break; + case FORMAT_RF64: + if(flac__utils_fwrite("RF64", 1, 4, f) != 4) + return false; + if(!write_little_endian_uint32(f, 0xffffffff)) + return false; + if(flac__utils_fwrite("WAVE", 1, 4, f) != 4) + return false; + break; + default: + return false; + } + + /* ds64 chunk for RF64 */ + if(format == FORMAT_RF64) { + if(flac__utils_fwrite("ds64", 1, 4, f) != 4) + return false; + + if(!write_little_endian_uint32(f, 28)) /* chunk size */ + return false; + + if(!write_little_endian_uint64(f, iff_size)) + return false; + + if(!write_little_endian_uint64(f, data_size)) + return false; + + if(!write_little_endian_uint64(f, samples)) /*@@@@@@ correct? */ + return false; + + if(!write_little_endian_uint32(f, 0)) /* table size */ + return false; + } + + decoder_session->fm_offset1 = ftello(f); + + if(fm) { + /* seek forward to {allocate} or {skip over already-written chunks} before "fmt " */ + for(i = format==FORMAT_RF64?2:1; i < fm->format_block; i++) { + if(fseeko(f, fm->blocks[i].size, SEEK_CUR) < 0) { + flac__utils_printf(stderr, 1, "%s: ERROR: allocating/skipping foreign metadata before \"fmt \"\n", decoder_session->inbasefilename); + return false; + } + } + } + + if(format != FORMAT_WAVE64) { + if(flac__utils_fwrite("fmt ", 1, 4, f) != 4) + return false; + if(!write_little_endian_uint32(f, is_waveformatextensible? 40 : 16)) /* chunk size */ + return false; + } + else { /* Wave64 */ + /* fmt GUID 20746D66-ACF3-11D3-8CD1-00C04F8EDB8A */ + if(flac__utils_fwrite("\x66\x6D\x74\x20\xF3\xAC\xD3\x11\x8C\xD1\x00\xC0\x4F\x8E\xDB\x8A", 1, 16, f) != 16) + return false; + /* chunk size (+16+8 for GUID and size fields) */ + if(!write_little_endian_uint64(f, 16+8+(is_waveformatextensible?40:16))) + return false; + } + + if(!write_riff_wave_fmt_chunk_body(f, is_waveformatextensible, decoder_session->bps, decoder_session->channels, decoder_session->sample_rate, decoder_session->channel_mask)) + return false; + + decoder_session->fm_offset2 = ftello(f); + + if(fm) { + /* seek forward to {allocate} or {skip over already-written chunks} after "fmt " but before "data" */ + for(i = fm->format_block+1; i < fm->audio_block; i++) { + if(fseeko(f, fm->blocks[i].size, SEEK_CUR) < 0) { + flac__utils_printf(stderr, 1, "%s: ERROR: allocating/skipping foreign metadata after \"fmt \"\n", decoder_session->inbasefilename); + return false; + } + } + } + + if(format != FORMAT_WAVE64) { + if(flac__utils_fwrite("data", 1, 4, f) != 4) + return false; + if(!write_little_endian_uint32(f, format==FORMAT_RF64? 0xffffffff : (FLAC__uint32)data_size)) + return false; + } + else { /* Wave64 */ + /* data GUID 61746164-ACF3-11D3-8CD1-00C04F8EDB8A */ + if(flac__utils_fwrite("\x64\x61\x74\x61\xF3\xAC\xD3\x11\x8C\xD1\x00\xC0\x4F\x8E\xDB\x8A", 1, 16, f) != 16) + return false; + /* +16+8 for GUID and size fields */ + if(!write_little_endian_uint64(f, 16+8 + data_size)) + return false; + } + + decoder_session->fm_offset3 = ftello(f) + aligned_data_size; + } + else { + if(flac__utils_fwrite("FORM", 1, 4, f) != 4) + return false; + + if(!write_big_endian_uint32(f, (FLAC__uint32)iff_size)) /* filesize-8 */ + return false; + + if(format == FORMAT_AIFF) { + if(flac__utils_fwrite("AIFF", 1, 4, f) != 4) + return false; + } + else + if(flac__utils_fwrite("AIFC", 1, 4, f) != 4) + return false; + + decoder_session->fm_offset1 = ftello(f); + + if(fm) { + /* seek forward to {allocate} or {skip over already-written chunks} before "COMM" */ + for(i = 1; i < fm->format_block; i++) { + if(fseeko(f, fm->blocks[i].size, SEEK_CUR) < 0) { + flac__utils_printf(stderr, 1, "%s: ERROR: allocating/skipping foreign metadata before \"COMM\"\n", decoder_session->inbasefilename); + return false; + } + } + } + + if(!write_aiff_form_comm_chunk(f, samples, decoder_session->bps, decoder_session->channels, decoder_session->sample_rate, format, subformat, fm?fm->aifc_comm_length:0)) + return false; + + decoder_session->fm_offset2 = ftello(f); + + if(fm) { + /* seek forward to {allocate} or {skip over already-written chunks} after "COMM" but before "SSND" */ + for(i = fm->format_block+1; i < fm->audio_block; i++) { + if(fseeko(f, fm->blocks[i].size, SEEK_CUR) < 0) { + flac__utils_printf(stderr, 1, "%s: ERROR: allocating/skipping foreign metadata after \"COMM\"\n", decoder_session->inbasefilename); + return false; + } + } + } + + if(flac__utils_fwrite("SSND", 1, 4, f) != 4) + return false; + + if(!write_big_endian_uint32(f, (FLAC__uint32)data_size + 8)) /* data size */ + return false; + + if(!write_big_endian_uint32(f, 0/*offset_size*/)) + return false; + + if(!write_big_endian_uint32(f, 0/*block_size*/)) + return false; + + decoder_session->fm_offset3 = ftello(f) + aligned_data_size; + } + + return true; +} + +FLAC__bool write_riff_wave_fmt_chunk_body(FILE *f, FLAC__bool is_waveformatextensible, uint32_t bps, uint32_t channels, uint32_t sample_rate, FLAC__uint32 channel_mask) +{ + if(!write_little_endian_uint16(f, (FLAC__uint16)(is_waveformatextensible? 65534 : 1))) /* compression code */ + return false; + + if(!write_little_endian_uint16(f, (FLAC__uint16)channels)) + return false; + + if(!write_little_endian_uint32(f, sample_rate)) + return false; + + if(!write_little_endian_uint32(f, sample_rate * channels * ((bps+7) / 8))) + return false; + + if(!write_little_endian_uint16(f, (FLAC__uint16)(channels * ((bps+7) / 8)))) /* block align */ + return false; + + if(!write_little_endian_uint16(f, (FLAC__uint16)(((bps+7)/8)*8))) /* bits per sample */ + return false; + + if(is_waveformatextensible) { + if(!write_little_endian_uint16(f, (FLAC__uint16)22)) /* cbSize */ + return false; + + if(!write_little_endian_uint16(f, (FLAC__uint16)bps)) /* validBitsPerSample */ + return false; + + if(!write_little_endian_uint32(f, channel_mask)) + return false; + + /* GUID = {0x00000001, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}} */ + if(flac__utils_fwrite("\x01\x00\x00\x00\x00\x00\x10\x00\x80\x00\x00\xaa\x00\x38\x9b\x71", 1, 16, f) != 16) + return false; + } + + return true; +} + +FLAC__bool write_aiff_form_comm_chunk(FILE *f, FLAC__uint64 samples, uint32_t bps, uint32_t channels, uint32_t sample_rate, FileFormat format, FileSubFormat subformat, FLAC__uint32 comm_length) +{ + FLAC__uint32 i; + FLAC__ASSERT(samples <= 0xffffffff); + + if(comm_length == 0) { + if(format == FORMAT_AIFF) + comm_length = 30; + else + comm_length = 36; + } + + if(flac__utils_fwrite("COMM", 1, 4, f) != 4) + return false; + + if(!write_big_endian_uint32(f, comm_length-12)) /* chunk size = 18 */ + return false; + + if(!write_big_endian_uint16(f, (FLAC__uint16)channels)) + return false; + + if(!write_big_endian_uint32(f, (FLAC__uint32)samples)) + return false; + + if(!write_big_endian_uint16(f, (FLAC__uint16)bps)) + return false; + + if(!write_sane_extended(f, sample_rate)) + return false; + + if(format == FORMAT_AIFF_C) { + if(subformat == SUBFORMAT_AIFF_C_NONE) { + if(flac__utils_fwrite("NONE", 1, 4, f) != 4) + return false; + } + else if(subformat == SUBFORMAT_AIFF_C_SOWT) { + if(flac__utils_fwrite("sowt", 1, 4, f) != 4) + return false; + } + for(i = 34; i < comm_length; i++) { + if(flac__utils_fwrite("\x00", 1, 1, f) != 1) + return false; + } + } + + + + return true; +} + +FLAC__bool write_little_endian_uint16(FILE *f, FLAC__uint16 val) +{ + FLAC__byte *b = (FLAC__byte*)(&val); + if(is_big_endian_host_) { + FLAC__byte tmp; + tmp = b[1]; b[1] = b[0]; b[0] = tmp; + } + return flac__utils_fwrite(b, 1, 2, f) == 2; +} + +FLAC__bool write_little_endian_uint32(FILE *f, FLAC__uint32 val) +{ + FLAC__byte *b = (FLAC__byte*)(&val); + if(is_big_endian_host_) { + FLAC__byte tmp; + tmp = b[3]; b[3] = b[0]; b[0] = tmp; + tmp = b[2]; b[2] = b[1]; b[1] = tmp; + } + return flac__utils_fwrite(b, 1, 4, f) == 4; +} + +FLAC__bool write_little_endian_uint64(FILE *f, FLAC__uint64 val) +{ + FLAC__byte *b = (FLAC__byte*)(&val); + if(is_big_endian_host_) { + FLAC__byte tmp; + tmp = b[7]; b[7] = b[0]; b[0] = tmp; + tmp = b[6]; b[6] = b[1]; b[1] = tmp; + tmp = b[5]; b[5] = b[2]; b[2] = tmp; + tmp = b[4]; b[4] = b[3]; b[3] = tmp; + } + return flac__utils_fwrite(b, 1, 8, f) == 8; +} + +FLAC__bool write_big_endian_uint16(FILE *f, FLAC__uint16 val) +{ + FLAC__byte *b = (FLAC__byte*)(&val); + if(!is_big_endian_host_) { + FLAC__byte tmp; + tmp = b[1]; b[1] = b[0]; b[0] = tmp; + } + return flac__utils_fwrite(b, 1, 2, f) == 2; +} + +FLAC__bool write_big_endian_uint32(FILE *f, FLAC__uint32 val) +{ + FLAC__byte *b = (FLAC__byte*)(&val); + if(!is_big_endian_host_) { + FLAC__byte tmp; + tmp = b[3]; b[3] = b[0]; b[0] = tmp; + tmp = b[2]; b[2] = b[1]; b[1] = tmp; + } + return flac__utils_fwrite(b, 1, 4, f) == 4; +} + +FLAC__bool write_sane_extended(FILE *f, uint32_t val) + /* Write to 'f' a SANE extended representation of 'val'. Return false if + * the write succeeds; return true otherwise. + * + * SANE extended is an 80-bit IEEE-754 representation with sign bit, 15 bits + * of exponent, and 64 bits of significand (mantissa). Unlike most IEEE-754 + * representations, it does not imply a 1 above the MSB of the significand. + * + */ +{ + uint32_t shift, exponent; + + if(val == 0U) { + if(!write_big_endian_uint16(f, 0)) + return false; + if(!write_big_endian_uint32(f, 0)) + return false; + if(!write_big_endian_uint32(f, 0)) + return false; + return true; + } + + for(shift= 0U; (val>>(31-shift))==0U; ++shift) + ; + val<<= shift; + exponent= 63U-(shift+32U); /* add 32 for unused second word */ + + if(!write_big_endian_uint16(f, (FLAC__uint16)(exponent+0x3FFF))) + return false; + if(!write_big_endian_uint32(f, val)) + return false; + if(!write_big_endian_uint32(f, 0)) /* unused second word */ + return false; + + return true; +} + +FLAC__bool fixup_iff_headers(DecoderSession *d) +{ + const char *fmt_desc = + d->format==FORMAT_WAVE? "WAVE" : + d->format==FORMAT_WAVE64? "Wave64" : + d->format==FORMAT_RF64? "RF64" : + "AIFF"; + FILE *f = flac_fopen(d->outfilename, "r+b"); /* stream is positioned at beginning of file */ + + if(0 == f) { + flac__utils_printf(stderr, 1, "ERROR, couldn't open file %s while fixing up %s chunk size: %s\n", d->outfilename, fmt_desc, strerror(errno)); + return false; + } + + if(!write_iff_headers(f, d, d->samples_processed)) { + fclose(f); + return false; + } + + fclose(f); + return true; +} + +FLAC__StreamDecoderWriteStatus write_callback(const FLAC__StreamDecoder *decoder, const FLAC__Frame *frame, const FLAC__int32 * const buffer[], void *client_data) +{ + DecoderSession *decoder_session = (DecoderSession*)client_data; + FILE *fout = decoder_session->fout; + const uint32_t bps = frame->header.bits_per_sample, channels = frame->header.channels; + const uint32_t shift = (bps%8)? 8-(bps%8): 0; + FLAC__bool is_big_endian = ( + (decoder_session->format == FORMAT_AIFF || (decoder_session->format == FORMAT_AIFF_C && decoder_session->subformat == SUBFORMAT_AIFF_C_NONE)) ? true : ( + decoder_session->format == FORMAT_WAVE || decoder_session->format == FORMAT_WAVE64 || decoder_session->format == FORMAT_RF64 || (decoder_session->format == FORMAT_AIFF_C && decoder_session->subformat == SUBFORMAT_AIFF_C_SOWT) ? false : + decoder_session->is_big_endian + )); + FLAC__bool is_unsigned_samples = ( + decoder_session->format == FORMAT_AIFF || decoder_session->format == FORMAT_AIFF_C ? false : ( + decoder_session->format == FORMAT_WAVE || decoder_session->format == FORMAT_WAVE64 || decoder_session->format == FORMAT_RF64 ? bps<=8 : + decoder_session->is_unsigned_samples + )); + uint32_t wide_samples = frame->header.blocksize, wide_sample, sample, channel; + FLAC__uint64 frame_bytes = 0; + + static union + { /* The arrays defined within this union are all the same size. */ + FLAC__int8 s8buffer [FLAC__MAX_BLOCK_SIZE * FLAC__MAX_CHANNELS * sizeof(FLAC__int32)]; /* WATCHOUT: can be up to 2 megs */ + FLAC__uint8 u8buffer [FLAC__MAX_BLOCK_SIZE * FLAC__MAX_CHANNELS * sizeof(FLAC__int32)]; + FLAC__int16 s16buffer [FLAC__MAX_BLOCK_SIZE * FLAC__MAX_CHANNELS * sizeof(FLAC__int16)]; + FLAC__uint16 u16buffer [FLAC__MAX_BLOCK_SIZE * FLAC__MAX_CHANNELS * sizeof(FLAC__int16)]; + FLAC__int32 s32buffer [FLAC__MAX_BLOCK_SIZE * FLAC__MAX_CHANNELS]; + FLAC__uint32 u32buffer [FLAC__MAX_BLOCK_SIZE * FLAC__MAX_CHANNELS]; + } ubuf; + + size_t bytes_to_write = 0; + + (void)decoder; + + if(decoder_session->abort_flag) + return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT; + + /* sanity-check the bits-per-sample */ + if(decoder_session->bps) { + if(bps != decoder_session->bps) { + if(decoder_session->got_stream_info) + flac__utils_printf(stderr, 1, "%s: ERROR, bits-per-sample is %u in frame but %u in STREAMINFO\n", decoder_session->inbasefilename, bps, decoder_session->bps); + else + flac__utils_printf(stderr, 1, "%s: ERROR, bits-per-sample is %u in this frame but %u in previous frames\n", decoder_session->inbasefilename, bps, decoder_session->bps); + if(!decoder_session->continue_through_decode_errors) + return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT; + } + } + else { + /* must not have gotten STREAMINFO, save the bps from the frame header */ + FLAC__ASSERT(!decoder_session->got_stream_info); + if(decoder_session->format == FORMAT_RAW && ((decoder_session->bps % 8) != 0 || decoder_session->bps < 4)) { + flac__utils_printf(stderr, 1, "%s: ERROR: bits per sample is %u, must be 8/16/24/32 for raw format output\n", decoder_session->inbasefilename, decoder_session->bps); + return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT; + } + decoder_session->bps = bps; + } + + /* sanity-check the #channels */ + if(decoder_session->channels) { + if(channels != decoder_session->channels) { + if(decoder_session->got_stream_info) + flac__utils_printf(stderr, 1, "%s: ERROR, channels is %u in frame but %u in STREAMINFO\n", decoder_session->inbasefilename, channels, decoder_session->channels); + else + flac__utils_printf(stderr, 1, "%s: ERROR, channels is %u in this frame but %u in previous frames\n", decoder_session->inbasefilename, channels, decoder_session->channels); + if(!decoder_session->continue_through_decode_errors) + return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT; + } + } + else { + /* must not have gotten STREAMINFO, save the #channels from the frame header */ + FLAC__ASSERT(!decoder_session->got_stream_info); + decoder_session->channels = channels; + } + + /* sanity-check the sample rate */ + if(decoder_session->sample_rate < UINT32_MAX) { + if(frame->header.sample_rate != decoder_session->sample_rate) { + if(decoder_session->got_stream_info) + flac__utils_printf(stderr, 1, "%s: ERROR, sample rate is %u in frame but %u in STREAMINFO\n", decoder_session->inbasefilename, frame->header.sample_rate, decoder_session->sample_rate); + else + flac__utils_printf(stderr, 1, "%s: ERROR, sample rate is %u in this frame but %u in previous frames\n", decoder_session->inbasefilename, frame->header.sample_rate, decoder_session->sample_rate); + if(!decoder_session->continue_through_decode_errors) + return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT; + } + } + else { + /* must not have gotten STREAMINFO, save the sample rate from the frame header */ + FLAC__ASSERT(!decoder_session->got_stream_info); + decoder_session->sample_rate = frame->header.sample_rate; + } + + /* + * limit the number of samples to accept based on --until + */ + /* if we never got the total_samples from the metadata, the skip and until specs would never have been canonicalized, so protect against that: */ + if(decoder_session->skip_specification->is_relative || !decoder_session->got_stream_info) { + if(decoder_session->skip_specification->value.samples == 0) /* special case for when no --skip was given */ + decoder_session->skip_specification->is_relative = false; /* convert to our meaning of beginning-of-stream */ + else { + flac__utils_printf(stderr, 1, "%s: ERROR, cannot use --skip because the total sample count was not found in the metadata\n", decoder_session->inbasefilename); + return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT; + } + } + if(decoder_session->until_specification->is_relative || !decoder_session->got_stream_info) { + if(decoder_session->until_specification->value.samples == 0) /* special case for when no --until was given */ + decoder_session->until_specification->is_relative = false; /* convert to our meaning of end-of-stream */ + else { + flac__utils_printf(stderr, 1, "%s: ERROR, cannot use --until because the total sample count was not found in the metadata\n", decoder_session->inbasefilename); + return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT; + } + } + FLAC__ASSERT(decoder_session->skip_specification->value.samples >= 0); + FLAC__ASSERT(decoder_session->until_specification->value.samples >= 0); + if(decoder_session->until_specification->value.samples > 0) { + const FLAC__uint64 skip = (FLAC__uint64)decoder_session->skip_specification->value.samples; + const FLAC__uint64 until = (FLAC__uint64)decoder_session->until_specification->value.samples; + const FLAC__uint64 input_samples_passed = skip + decoder_session->samples_processed; + FLAC__ASSERT(until >= input_samples_passed); + if(input_samples_passed + wide_samples > until) + wide_samples = (uint32_t)(until - input_samples_passed); + if (wide_samples == 0) { + decoder_session->abort_flag = true; + decoder_session->aborting_due_to_until = true; + return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT; + } + } + + if(decoder_session->analysis_mode) { + FLAC__uint64 dpos; + FLAC__stream_decoder_get_decode_position(decoder_session->decoder, &dpos); + frame_bytes = (dpos-decoder_session->decode_position); + decoder_session->decode_position = dpos; + } + + if(wide_samples > 0) { + decoder_session->samples_processed += wide_samples; + decoder_session->frame_counter++; + +#if 0 /* in case time.h with clock() isn't available for some reason */ + if(!(decoder_session->frame_counter & 0x1ff)) + print_stats(decoder_session); +#else + if((clock() - decoder_session->old_clock_t) > (CLOCKS_PER_SEC/4)) { + print_stats(decoder_session); + decoder_session->old_clock_t = clock(); + } +#endif + + + if(decoder_session->analysis_mode) { + flac__analyze_frame(frame, decoder_session->frame_counter-1, decoder_session->decode_position-frame_bytes, frame_bytes, decoder_session->aopts, fout); + } + else if(!decoder_session->test_only) { + if(shift && !decoder_session->replaygain.apply) { + for(wide_sample = 0; wide_sample < wide_samples; wide_sample++) + for(channel = 0; channel < channels; channel++) + ((uint32_t **)buffer)[channel][wide_sample] <<= shift;/*@@@@@@un-const'ing the buffer is hacky but safe*/ + } + if(decoder_session->replaygain.apply) { + bytes_to_write = FLAC__replaygain_synthesis__apply_gain( + ubuf.u8buffer, + !is_big_endian, + is_unsigned_samples, + buffer, + wide_samples, + channels, + bps, /* source_bps */ + bps+shift, /* target_bps */ + decoder_session->replaygain.scale, + decoder_session->replaygain.spec.limiter == RGSS_LIMIT__HARD, /* hard_limit */ + decoder_session->replaygain.spec.noise_shaping != NOISE_SHAPING_NONE, /* do_dithering */ + &decoder_session->replaygain.dither_context + ); + } + /* first some special code for common cases */ + else if(is_big_endian == is_big_endian_host_ && !is_unsigned_samples && channels == 2 && bps+shift == 16) { + FLAC__int16 *buf1_ = ubuf.s16buffer + 1; + if(is_big_endian) + memcpy(ubuf.s16buffer, ((FLAC__byte*)(buffer[0]))+2, sizeof(FLAC__int32) * wide_samples - 2); + else + memcpy(ubuf.s16buffer, buffer[0], sizeof(FLAC__int32) * wide_samples); + for(sample = 0; sample < wide_samples; sample++, buf1_+=2) + *buf1_ = (FLAC__int16)buffer[1][sample]; + bytes_to_write = 4 * sample; + } + else if(is_big_endian == is_big_endian_host_ && !is_unsigned_samples && channels == 1 && bps+shift == 16) { + FLAC__int16 *buf1_ = ubuf.s16buffer; + for(sample = 0; sample < wide_samples; sample++) + *buf1_++ = (FLAC__int16)buffer[0][sample]; + bytes_to_write = 2 * sample; + } + /* generic code for the rest */ + else if(bps+shift == 16) { + if(is_unsigned_samples) { + if(channels == 2) { + for(sample = wide_sample = 0; wide_sample < wide_samples; wide_sample++) { + ubuf.u16buffer[sample++] = (FLAC__uint16)(buffer[0][wide_sample] + 0x8000); + ubuf.u16buffer[sample++] = (FLAC__uint16)(buffer[1][wide_sample] + 0x8000); + } + } + else if(channels == 1) { + for(sample = wide_sample = 0; wide_sample < wide_samples; wide_sample++) + ubuf.u16buffer[sample++] = (FLAC__uint16)(buffer[0][wide_sample] + 0x8000); + } + else { /* works for any 'channels' but above flavors are faster for 1 and 2 */ + for(sample = wide_sample = 0; wide_sample < wide_samples; wide_sample++) + for(channel = 0; channel < channels; channel++, sample++) + ubuf.u16buffer[sample] = (FLAC__uint16)(buffer[channel][wide_sample] + 0x8000); + } + } + else { + if(channels == 2) { + for(sample = wide_sample = 0; wide_sample < wide_samples; wide_sample++) { + ubuf.s16buffer[sample++] = (FLAC__int16)(buffer[0][wide_sample]); + ubuf.s16buffer[sample++] = (FLAC__int16)(buffer[1][wide_sample]); + } + } + else if(channels == 1) { + for(sample = wide_sample = 0; wide_sample < wide_samples; wide_sample++) + ubuf.s16buffer[sample++] = (FLAC__int16)(buffer[0][wide_sample]); + } + else { /* works for any 'channels' but above flavors are faster for 1 and 2 */ + for(sample = wide_sample = 0; wide_sample < wide_samples; wide_sample++) + for(channel = 0; channel < channels; channel++, sample++) + ubuf.s16buffer[sample] = (FLAC__int16)(buffer[channel][wide_sample]); + } + } + if(is_big_endian != is_big_endian_host_) { + uint8_t tmp; + const uint32_t bytes = sample * 2; + uint32_t b; + for(b = 0; b < bytes; b += 2) { + tmp = ubuf.u8buffer[b]; + ubuf.u8buffer[b] = ubuf.u8buffer[b+1]; + ubuf.u8buffer[b+1] = tmp; + } + } + bytes_to_write = 2 * sample; + } + else if(bps+shift == 24) { + if(is_unsigned_samples) { + for(sample = wide_sample = 0; wide_sample < wide_samples; wide_sample++) + for(channel = 0; channel < channels; channel++, sample++) + ubuf.u32buffer[sample] = buffer[channel][wide_sample] + 0x800000; + } + else { + for(sample = wide_sample = 0; wide_sample < wide_samples; wide_sample++) + for(channel = 0; channel < channels; channel++, sample++) + ubuf.s32buffer[sample] = buffer[channel][wide_sample]; + } + if(is_big_endian != is_big_endian_host_) { + uint8_t tmp; + const uint32_t bytes = sample * 4; + uint32_t b; + for(b = 0; b < bytes; b += 4) { + tmp = ubuf.u8buffer[b]; + ubuf.u8buffer[b] = ubuf.u8buffer[b+3]; + ubuf.u8buffer[b+3] = tmp; + tmp = ubuf.u8buffer[b+1]; + ubuf.u8buffer[b+1] = ubuf.u8buffer[b+2]; + ubuf.u8buffer[b+2] = tmp; + } + } + if(is_big_endian) { + uint32_t b, lbyte; + const uint32_t bytes = sample * 4; + for(lbyte = b = 0; b < bytes; ) { + b++; + ubuf.u8buffer[lbyte++] = ubuf.u8buffer[b++]; + ubuf.u8buffer[lbyte++] = ubuf.u8buffer[b++]; + ubuf.u8buffer[lbyte++] = ubuf.u8buffer[b++]; + } + } + else { + uint32_t b, lbyte; + const uint32_t bytes = sample * 4; + for(lbyte = b = 0; b < bytes; ) { + ubuf.u8buffer[lbyte++] = ubuf.u8buffer[b++]; + ubuf.u8buffer[lbyte++] = ubuf.u8buffer[b++]; + ubuf.u8buffer[lbyte++] = ubuf.u8buffer[b++]; + b++; + } + } + bytes_to_write = 3 * sample; + } + else if(bps+shift == 8) { + if(is_unsigned_samples) { + for(sample = wide_sample = 0; wide_sample < wide_samples; wide_sample++) + for(channel = 0; channel < channels; channel++, sample++) + ubuf.u8buffer[sample] = (FLAC__uint8)(buffer[channel][wide_sample] + 0x80); + } + else { + for(sample = wide_sample = 0; wide_sample < wide_samples; wide_sample++) + for(channel = 0; channel < channels; channel++, sample++) + ubuf.s8buffer[sample] = (FLAC__int8)(buffer[channel][wide_sample]); + } + bytes_to_write = sample; + } + else if(bps+shift == 32) { + if(is_unsigned_samples) { + for(sample = wide_sample = 0; wide_sample < wide_samples; wide_sample++) + for(channel = 0; channel < channels; channel++, sample++) + ubuf.u32buffer[sample] = buffer[channel][wide_sample]; + } + else { + for(sample = wide_sample = 0; wide_sample < wide_samples; wide_sample++) + for(channel = 0; channel < channels; channel++, sample++) + ubuf.s32buffer[sample] = buffer[channel][wide_sample]; + } + if(is_big_endian != is_big_endian_host_) { + uint8_t tmp; + const uint32_t bytes = sample * 4; + uint32_t b; + for(b = 0; b < bytes; b += 4) { + tmp = ubuf.u8buffer[b]; + ubuf.u8buffer[b] = ubuf.u8buffer[b+3]; + ubuf.u8buffer[b+3] = tmp; + tmp = ubuf.u8buffer[b+1]; + ubuf.u8buffer[b+1] = ubuf.u8buffer[b+2]; + ubuf.u8buffer[b+2] = tmp; + } + } + bytes_to_write = 4 * sample; + } + else { + FLAC__ASSERT(0); + /* double protection */ + decoder_session->abort_flag = true; + return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT; + } + } + } + if(bytes_to_write > 0) { + if(flac__utils_fwrite(ubuf.u8buffer, 1, bytes_to_write, fout) != bytes_to_write) { + /* if a pipe closed when writing to stdout, we let it go without an error message */ + if(errno == EPIPE && decoder_session->fout == stdout) + decoder_session->aborting_due_to_until = true; + decoder_session->abort_flag = true; + return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT; + } + } + return FLAC__STREAM_DECODER_WRITE_STATUS_CONTINUE; +} + +void metadata_callback(const FLAC__StreamDecoder *decoder, const FLAC__StreamMetadata *metadata, void *client_data) +{ + DecoderSession *decoder_session = (DecoderSession*)client_data; + + (void)decoder; + + if(metadata->type == FLAC__METADATA_TYPE_STREAMINFO) { + FLAC__uint64 skip, until; + + if(decoder_session->got_stream_info){ + /* There was already a STREAMINFO received */ + flac__utils_printf(stderr, 1, "%s: ERROR, more than one STREAMINFO found\n", decoder_session->inbasefilename); + if(!decoder_session->continue_through_decode_errors) + decoder_session->abort_flag = true; + return; + } + + decoder_session->got_stream_info = true; + decoder_session->has_md5sum = memcmp(metadata->data.stream_info.md5sum, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0", 16) != 0; + decoder_session->bps = metadata->data.stream_info.bits_per_sample; + decoder_session->channels = metadata->data.stream_info.channels; + decoder_session->sample_rate = metadata->data.stream_info.sample_rate; + + if(!flac__utils_canonicalize_skip_until_specification(decoder_session->skip_specification, decoder_session->sample_rate)) { + flac__utils_printf(stderr, 1, "%s: ERROR, value of --skip is too large\n", decoder_session->inbasefilename); + decoder_session->abort_flag = true; + return; + } + FLAC__ASSERT(decoder_session->skip_specification->value.samples >= 0); + skip = (FLAC__uint64)decoder_session->skip_specification->value.samples; + + /* remember, metadata->data.stream_info.total_samples can be 0, meaning 'unknown' */ + if(metadata->data.stream_info.total_samples > 0 && skip >= metadata->data.stream_info.total_samples) { + flac__utils_printf(stderr, 1, "%s: ERROR trying to --skip more samples than in stream\n", decoder_session->inbasefilename); + decoder_session->abort_flag = true; + return; + } + else if(metadata->data.stream_info.total_samples == 0 && skip > 0) { + flac__utils_printf(stderr, 1, "%s: ERROR, can't --skip when FLAC metadata has total sample count of 0\n", decoder_session->inbasefilename); + decoder_session->abort_flag = true; + return; + } + FLAC__ASSERT(skip == 0 || 0 == decoder_session->cue_specification); + decoder_session->total_samples = metadata->data.stream_info.total_samples - skip; + + /* note that we use metadata->data.stream_info.total_samples instead of decoder_session->total_samples */ + if(!canonicalize_until_specification(decoder_session->until_specification, decoder_session->inbasefilename, decoder_session->sample_rate, skip, metadata->data.stream_info.total_samples)) { + decoder_session->abort_flag = true; + return; + } + FLAC__ASSERT(decoder_session->until_specification->value.samples >= 0); + until = (FLAC__uint64)decoder_session->until_specification->value.samples; + + if(until > 0) { + FLAC__ASSERT(decoder_session->total_samples != 0); + FLAC__ASSERT(0 == decoder_session->cue_specification); + decoder_session->total_samples -= (metadata->data.stream_info.total_samples - until); + } + + if(decoder_session->format == FORMAT_RAW && ((decoder_session->bps % 8) != 0 || decoder_session->bps < 4)) { + flac__utils_printf(stderr, 1, "%s: ERROR: bits per sample is %u, must be 8/16/24/32 for raw format output\n", decoder_session->inbasefilename, decoder_session->bps); + decoder_session->abort_flag = true; + return; + } + + if(decoder_session->bps < 4 || decoder_session->bps > 32) { + flac__utils_printf(stderr, 1, "%s: ERROR: bits per sample is %u, must be 4-32\n", decoder_session->inbasefilename, decoder_session->bps); + decoder_session->abort_flag = true; + return; + } + } + else if(metadata->type == FLAC__METADATA_TYPE_CUESHEET) { + /* remember, at this point, decoder_session->total_samples can be 0, meaning 'unknown' */ + if(decoder_session->total_samples == 0) { + flac__utils_printf(stderr, 1, "%s: ERROR can't use --cue when FLAC metadata has total sample count of 0\n", decoder_session->inbasefilename); + decoder_session->abort_flag = true; + return; + } + + flac__utils_canonicalize_cue_specification(decoder_session->cue_specification, &metadata->data.cue_sheet, decoder_session->total_samples, decoder_session->skip_specification, decoder_session->until_specification); + + FLAC__ASSERT(!decoder_session->skip_specification->is_relative); + FLAC__ASSERT(decoder_session->skip_specification->value_is_samples); + + FLAC__ASSERT(!decoder_session->until_specification->is_relative); + FLAC__ASSERT(decoder_session->until_specification->value_is_samples); + + FLAC__ASSERT(decoder_session->skip_specification->value.samples >= 0); + FLAC__ASSERT(decoder_session->until_specification->value.samples >= 0); + FLAC__ASSERT((FLAC__uint64)decoder_session->until_specification->value.samples <= decoder_session->total_samples); + FLAC__ASSERT(decoder_session->skip_specification->value.samples <= decoder_session->until_specification->value.samples); + + decoder_session->total_samples = decoder_session->until_specification->value.samples - decoder_session->skip_specification->value.samples; + } + else if(metadata->type == FLAC__METADATA_TYPE_VORBIS_COMMENT) { + if (decoder_session->replaygain.spec.apply) { + double reference, gain, peak; + if (!(decoder_session->replaygain.apply = grabbag__replaygain_load_from_vorbiscomment(metadata, decoder_session->replaygain.spec.use_album_gain, /*strict=*/false, &reference, &gain, &peak))) { + flac__utils_printf(stderr, 1, "%s: WARNING: can't get %s (or even %s) ReplayGain tags\n", decoder_session->inbasefilename, decoder_session->replaygain.spec.use_album_gain? "album":"track", decoder_session->replaygain.spec.use_album_gain? "track":"album"); + if(decoder_session->treat_warnings_as_errors) { + decoder_session->abort_flag = true; + return; + } + } + else if(decoder_session->bps == 0) { + flac__utils_printf(stderr, 1, "%s: WARNING: can't apply ReplayGain, bit-per-sample value is invalid\n", decoder_session->inbasefilename); + if(decoder_session->treat_warnings_as_errors) { + decoder_session->abort_flag = true; + return; + } + } + else { + const char *ls[] = { "no", "peak", "hard" }; + const char *ns[] = { "no", "low", "medium", "high" }; + decoder_session->replaygain.scale = grabbag__replaygain_compute_scale_factor(peak, gain, decoder_session->replaygain.spec.preamp, decoder_session->replaygain.spec.limiter == RGSS_LIMIT__PEAK); + FLAC__ASSERT(decoder_session->bps > 0 && decoder_session->bps <= 32); + FLAC__replaygain_synthesis__init_dither_context(&decoder_session->replaygain.dither_context, decoder_session->bps, decoder_session->replaygain.spec.noise_shaping); + flac__utils_printf(stderr, 1, "%s: INFO: applying %s ReplayGain (gain=%0.2fdB+preamp=%0.1fdB, %s noise shaping, %s limiting) to output\n", decoder_session->inbasefilename, decoder_session->replaygain.spec.use_album_gain? "album":"track", gain, decoder_session->replaygain.spec.preamp, ns[decoder_session->replaygain.spec.noise_shaping], ls[decoder_session->replaygain.spec.limiter]); + flac__utils_printf(stderr, 1, "%s: WARNING: applying ReplayGain is not lossless\n", decoder_session->inbasefilename); + /* don't check if(decoder_session->treat_warnings_as_errors) because the user explicitly asked for it */ + } + } + (void)flac__utils_get_channel_mask_tag(metadata, &decoder_session->channel_mask); + } + else if(metadata->type == FLAC__METADATA_TYPE_APPLICATION && decoder_session->warn_user_about_foreign_metadata) { + /* Foreign metadata signalling */ + flac__utils_printf(stderr, 1, "%s: WARNING: found foreign metadata, use --keep-foreign-metadata to restore\n", decoder_session->inbasefilename); + decoder_session->warn_user_about_foreign_metadata = false; + } +} + +void error_callback(const FLAC__StreamDecoder *decoder, FLAC__StreamDecoderErrorStatus status, void *client_data) +{ + DecoderSession *decoder_session = (DecoderSession*)client_data; + (void)decoder; + if(!decoder_session->error_callback_suppress_messages) { + stats_print_name(1, decoder_session->inbasefilename); + flac__utils_printf(stderr, 1, "*** Got error code %d:%s\n", status, FLAC__StreamDecoderErrorStatusString[status]); + } + if(!decoder_session->continue_through_decode_errors) { + /* if we got a sync error while looking for metadata, either it's not a FLAC file (more likely) or the file is corrupted */ + if( + !decoder_session->error_callback_suppress_messages && + status == FLAC__STREAM_DECODER_ERROR_STATUS_LOST_SYNC && + FLAC__stream_decoder_get_state(decoder) == FLAC__STREAM_DECODER_SEARCH_FOR_METADATA + ) { + flac__utils_printf(stderr, 1, + "\n" + "The input file is either not a FLAC file or is corrupted. If you are\n" + "convinced it is a FLAC file, you can rerun the same command and add the\n" + "-F parameter to try and recover as much as possible from the file.\n" + ); + decoder_session->error_callback_suppress_messages = true; + } + else if(status == FLAC__STREAM_DECODER_ERROR_STATUS_UNPARSEABLE_STREAM) + decoder_session->aborting_due_to_unparseable = true; + decoder_session->abort_flag = true; + } +} + +void print_error_with_init_status(const DecoderSession *d, const char *message, FLAC__StreamDecoderInitStatus init_status) +{ + const int ilen = strlen(d->inbasefilename) + 1; + + flac__utils_printf(stderr, 1, "\n%s: %s\n", d->inbasefilename, message); + + flac__utils_printf(stderr, 1, "%*s init status = %s\n", ilen, "", FLAC__StreamDecoderInitStatusString[init_status]); + + /* print out some more info for some errors: */ + if (init_status == FLAC__STREAM_DECODER_INIT_STATUS_ERROR_OPENING_FILE) { + flac__utils_printf(stderr, 1, + "\n" +#ifdef _WIN32 + "An error occurred opening the input file; it is likely that it does not exist,\n" + "is not readable or has a filename that exceeds the path length limit.\n" +#else + "An error occurred opening the input file; it is likely that it does not exist\n" + "or is not readable.\n" +#endif + ); + } +} + +void print_error_with_state(const DecoderSession *d, const char *message) +{ + const int ilen = strlen(d->inbasefilename) + 1; + + flac__utils_printf(stderr, 1, "\n%s: %s\n", d->inbasefilename, message); + flac__utils_printf(stderr, 1, "%*s state = %s\n", ilen, "", FLAC__stream_decoder_get_resolved_state_string(d->decoder)); + + /* print out some more info for some errors: */ + if (d->aborting_due_to_unparseable) { + flac__utils_printf(stderr, 1, + "\n" + "The FLAC stream may have been created by a more advanced encoder. Try\n" + " metaflac --show-vendor-tag %s\n" + "If the version number is greater than %s, this decoder is probably\n" + "not able to decode the file. If the version number is not, the file\n" + "may be corrupted, or you may have found a bug. In this case please\n" + "submit a bug report to\n" + " https://github.com/xiph/flac/issues\n" + "Make sure to use the \"Monitor\" feature to monitor the bug status.\n", + d->inbasefilename, FLAC__VERSION_STRING + ); + } +} + +void print_stats(const DecoderSession *decoder_session) +{ + if(flac__utils_verbosity_ >= 2) { + const double progress = (double)decoder_session->samples_processed / (double)decoder_session->total_samples * 100.0; + + if(decoder_session->total_samples > 0) { + if ((uint32_t)floor(progress + 0.5) == 100) + return; + + stats_print_name(2, decoder_session->inbasefilename); + stats_print_info(2, "%s%u%% complete", + decoder_session->test_only? "testing, " : decoder_session->analysis_mode? "analyzing, " : "", + (uint32_t)floor(progress + 0.5) + ); + } + else { + stats_print_name(2, decoder_session->inbasefilename); + stats_print_info(2, "%s %" PRIu64 " samples", + decoder_session->test_only? "tested" : decoder_session->analysis_mode? "analyzed" : "wrote", + decoder_session->samples_processed + ); + } + } +} diff --git a/src/flac/decode.h b/src/flac/decode.h new file mode 100644 index 0000000..24f5723 --- /dev/null +++ b/src/flac/decode.h @@ -0,0 +1,73 @@ +/* flac - Command-line FLAC encoder/decoder + * Copyright (C) 2000-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifndef flac__decode_h +#define flac__decode_h + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include "analyze.h" +#include "foreign_metadata.h" +#include "utils.h" +#include "share/replaygain_synthesis.h" + + +typedef struct { + FLAC__bool apply; + FLAC__bool use_album_gain; /* false => use track gain */ + enum { RGSS_LIMIT__NONE, RGSS_LIMIT__PEAK, RGSS_LIMIT__HARD} limiter; + NoiseShaping noise_shaping; + double preamp; +} replaygain_synthesis_spec_t; + +typedef struct { + FLAC__bool treat_warnings_as_errors; + FLAC__bool continue_through_decode_errors; + replaygain_synthesis_spec_t replaygain_synthesis_spec; +#if FLAC__HAS_OGG + FLAC__bool is_ogg; + FLAC__bool use_first_serial_number; + long serial_number; +#endif + utils__SkipUntilSpecification skip_specification; + utils__SkipUntilSpecification until_specification; + FLAC__bool has_cue_specification; + utils__CueSpecification cue_specification; + FLAC__bool channel_map_none; /* --channel-map=none specified, eventually will expand to take actual channel map */ + FLAC__bool relaxed_foreign_metadata_handling; + FileSubFormat force_subformat; + + FileFormat format; + union { + struct { + FLAC__bool is_big_endian; + FLAC__bool is_unsigned_samples; + } raw; + struct { + foreign_metadata_t *foreign_metadata; /* NULL unless --keep-foreign-metadata requested */ + } iff; + } format_options; +} decode_options_t; + +/* outfile == 0 => test only */ +int flac__decode_file(const char *infilename, const char *outfilename, FLAC__bool analysis_mode, analysis_options aopts, decode_options_t options); + +#endif diff --git a/src/flac/encode.c b/src/flac/encode.c new file mode 100644 index 0000000..a945b35 --- /dev/null +++ b/src/flac/encode.c @@ -0,0 +1,2852 @@ +/* flac - Command-line FLAC encoder/decoder + * Copyright (C) 2000-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include <errno.h> +#include <limits.h> /* for LONG_MAX */ +#include <math.h> /* for floor() */ +#include <stdio.h> /* for FILE etc. */ +#include <stdlib.h> /* for malloc */ +#include <string.h> /* for strcmp(), strerror() */ +#include <time.h> /* for clock() */ +#include <sys/stat.h> +#include "FLAC/all.h" +#include "share/alloc.h" +#include "share/grabbag.h" +#include "share/compat.h" +#include "share/private.h" +#include "share/safe_str.h" +#include "share/endswap.h" +#include "encode.h" + +#ifdef min +#undef min +#endif +#define min(x,y) ((x)<(y)?(x):(y)) +#ifdef max +#undef max +#endif +#define max(x,y) ((x)>(y)?(x):(y)) + +/* this MUST be < 2^sizeof(size_t) / ( FLAC__MAX_CHANNELS * (FLAC__MAX_BITS_PER_SAMPLE/8) ) */ +#define CHUNK_OF_SAMPLES 2048 + +typedef struct { + uint32_t sample_rate; + uint32_t channels; + uint32_t bits_per_sample; /* width of sample point, including 'shift' bits, valid bps is bits_per_sample-shift */ + uint32_t shift; /* # of LSBs samples have been shifted left by */ + uint32_t bytes_per_wide_sample; /* for convenience, always == channels*((bps+7)/8), or 0 if N/A to input format (like FLAC) */ + FLAC__bool is_unsigned_samples; + FLAC__bool is_big_endian; + FLAC__uint32 channel_mask; +} SampleInfo; + +/* this is the client_data attached to the FLAC decoder when encoding from a FLAC file */ +typedef struct { + FLAC__off_t filesize; + const FLAC__byte *lookahead; + uint32_t lookahead_length; + size_t num_metadata_blocks; + FLAC__StreamMetadata *metadata_blocks[1024]; /*@@@ BAD MAGIC number */ + FLAC__uint64 samples_left_to_process; + FLAC__bool fatal_error; +} FLACDecoderData; + +typedef struct { +#if FLAC__HAS_OGG + FLAC__bool use_ogg; +#endif + FLAC__bool verify; + FLAC__bool is_stdout; + FLAC__bool outputfile_opened; /* true if we successfully opened the output file and we want it to be deleted if there is an error */ + const char *inbasefilename; + const char *infilename; + const char *outfilename; + + FLAC__bool treat_warnings_as_errors; + FLAC__bool continue_through_decode_errors; + FLAC__bool replay_gain; + FLAC__uint64 total_samples_to_encode; /* (i.e. "wide samples" aka "sample frames") WATCHOUT: may be 0 to mean 'unknown' */ + FLAC__uint64 unencoded_size; /* an estimate of the input size, only used in the progress indicator */ + FLAC__uint64 bytes_written; + FLAC__uint64 samples_written; +#if 0 /* in case time.h with clock() isn't available for some reason */ + uint32_t stats_frames_interval; + uint32_t old_frames_written; +#else + clock_t old_clock_t; +#endif + + SampleInfo info; + + FileFormat format; + union { + struct { + FLAC__uint64 data_bytes; + } iff; + struct { + FLAC__StreamDecoder *decoder; + FLACDecoderData client_data; + } flac; + } fmt; + + FLAC__StreamEncoder *encoder; + + FILE *fin; + FLAC__StreamMetadata *seek_table_template; + double progress, compression_ratio; +} EncoderSession; + +const int FLAC_ENCODE__DEFAULT_PADDING = 8192; + +static FLAC__bool is_big_endian_host_; + +#define UBUFFER_INT8_SIZE 0x10000 + +static union { + FLAC__int8 s8[UBUFFER_INT8_SIZE]; + FLAC__uint8 u8[UBUFFER_INT8_SIZE]; + FLAC__int16 s16[UBUFFER_INT8_SIZE/2]; + FLAC__uint16 u16[UBUFFER_INT8_SIZE/2]; + FLAC__int32 s32[UBUFFER_INT8_SIZE/4]; + FLAC__uint32 u32[UBUFFER_INT8_SIZE/4]; +} ubuffer; + + +static FLAC__int32 in_[FLAC__MAX_CHANNELS][CHUNK_OF_SAMPLES]; +static FLAC__int32 *input_[FLAC__MAX_CHANNELS]; + + +/* + * local routines + */ +static FLAC__bool EncoderSession_construct(EncoderSession *e, encode_options_t options, FLAC__off_t infilesize, FILE *infile, const char *infilename, const char *outfilename, const FLAC__byte *lookahead, uint32_t lookahead_length); +static void EncoderSession_destroy(EncoderSession *e); +static int EncoderSession_finish_ok(EncoderSession *e, foreign_metadata_t *foreign_metadata, FLAC__bool error_on_compression_fail); +static int EncoderSession_finish_error(EncoderSession *e); +static FLAC__bool EncoderSession_init_encoder(EncoderSession *e, encode_options_t options); +static FLAC__bool EncoderSession_process(EncoderSession *e, const FLAC__int32 * const buffer[], uint32_t samples); +static FLAC__bool EncoderSession_format_is_iff(const EncoderSession *e); +static FLAC__bool convert_to_seek_table_template(const char *requested_seek_points, int num_requested_seek_points, FLAC__StreamMetadata *cuesheet, EncoderSession *e); +static FLAC__bool canonicalize_until_specification(utils__SkipUntilSpecification *spec, const char *inbasefilename, uint32_t sample_rate, FLAC__uint64 skip, FLAC__uint64 total_samples_in_input); +static FLAC__bool verify_metadata(const EncoderSession *e, FLAC__StreamMetadata **metadata, uint32_t num_metadata); +static FLAC__bool format_input(FLAC__int32 *dest[], uint32_t wide_samples, FLAC__bool is_big_endian, FLAC__bool is_unsigned_samples, uint32_t channels, uint32_t bps, uint32_t shift, size_t *channel_map); +static void encoder_progress_callback(const FLAC__StreamEncoder *encoder, FLAC__uint64 bytes_written, FLAC__uint64 samples_written, uint32_t frames_written, uint32_t total_frames_estimate, void *client_data); +static FLAC__StreamDecoderReadStatus flac_decoder_read_callback(const FLAC__StreamDecoder *decoder, FLAC__byte buffer[], size_t *bytes, void *client_data); +static FLAC__StreamDecoderSeekStatus flac_decoder_seek_callback(const FLAC__StreamDecoder *decoder, FLAC__uint64 absolute_byte_offset, void *client_data); +static FLAC__StreamDecoderTellStatus flac_decoder_tell_callback(const FLAC__StreamDecoder *decoder, FLAC__uint64 *absolute_byte_offset, void *client_data); +static FLAC__StreamDecoderLengthStatus flac_decoder_length_callback(const FLAC__StreamDecoder *decoder, FLAC__uint64 *stream_length, void *client_data); +static FLAC__bool flac_decoder_eof_callback(const FLAC__StreamDecoder *decoder, void *client_data); +static FLAC__StreamDecoderWriteStatus flac_decoder_write_callback(const FLAC__StreamDecoder *decoder, const FLAC__Frame *frame, const FLAC__int32 * const buffer[], void *client_data); +static void flac_decoder_metadata_callback(const FLAC__StreamDecoder *decoder, const FLAC__StreamMetadata *metadata, void *client_data); +static void flac_decoder_error_callback(const FLAC__StreamDecoder *decoder, FLAC__StreamDecoderErrorStatus status, void *client_data); +static FLAC__bool parse_cuesheet(FLAC__StreamMetadata **cuesheet, const char *cuesheet_filename, const char *inbasefilename, uint32_t sample_rate, FLAC__bool is_cdda, FLAC__uint64 lead_out_offset, FLAC__bool treat_warnings_as_errors); +static void print_stats(const EncoderSession *encoder_session); +static void print_error_with_init_status(const EncoderSession *e, const char *message, FLAC__StreamEncoderInitStatus init_status); +static void print_error_with_state(const EncoderSession *e, const char *message); +static void print_verify_error(EncoderSession *e); +static FLAC__bool read_bytes(FILE *f, FLAC__byte *buf, size_t n, FLAC__bool eof_ok, const char *fn); +static FLAC__bool read_uint16(FILE *f, FLAC__bool big_endian, FLAC__uint16 *val, const char *fn); +static FLAC__bool read_uint32(FILE *f, FLAC__bool big_endian, FLAC__uint32 *val, const char *fn); +static FLAC__bool read_uint64(FILE *f, FLAC__bool big_endian, FLAC__uint64 *val, const char *fn); +static FLAC__bool read_sane_extended(FILE *f, FLAC__uint32 *val, const char *fn); +static FLAC__bool fskip_ahead(FILE *f, FLAC__uint64 offset); +static uint32_t count_channel_mask_bits(FLAC__uint32 mask); + +static FLAC__bool get_sample_info_raw(EncoderSession *e, encode_options_t options) +{ + e->info.sample_rate = options.format_options.raw.sample_rate; + e->info.channels = options.format_options.raw.channels; + e->info.bits_per_sample = options.format_options.raw.bps; + e->info.shift = 0; + e->info.bytes_per_wide_sample = options.format_options.raw.channels * ((options.format_options.raw.bps+7)/8); + e->info.is_unsigned_samples = options.format_options.raw.is_unsigned_samples; + e->info.is_big_endian = options.format_options.raw.is_big_endian; + e->info.channel_mask = 0; + + return true; +} + +static FLAC__bool get_sample_info_wave(EncoderSession *e, encode_options_t options) +{ + FLAC__bool got_fmt_chunk = false, got_data_chunk = false, got_ds64_chunk = false; + uint32_t sample_rate = 0, channels = 0, bps = 0, shift = 0, block_align = 0; + FLAC__uint32 channel_mask = 0; + FLAC__uint64 ds64_data_size = 0; + + e->info.is_unsigned_samples = false; + e->info.is_big_endian = false; + + if(e->format == FORMAT_WAVE64) { + /* + * lookahead[] already has "riff\x2E\x91\xCF\x11\xA5\xD6\x28\xDB", skip over remaining header + */ + if(!fskip_ahead(e->fin, 16+8+16-12)) { /* riff GUID + riff size + WAVE GUID - lookahead */ + flac__utils_printf(stderr, 1, "%s: ERROR during read while skipping over remaining \"riff\" header\n", e->inbasefilename); + return false; + } + } + /* else lookahead[] already has "RIFFxxxxWAVE" or "RF64xxxxWAVE" */ + + while(!feof(e->fin) && !got_data_chunk) { + /* chunk IDs are 4 bytes for WAVE/RF64, 16 for Wave64 */ + /* for WAVE/RF64 we want the 5th char zeroed so we can treat it like a C string */ + char chunk_id[16] = { '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0' }; + + if(!read_bytes(e->fin, (FLAC__byte*)chunk_id, e->format==FORMAT_WAVE64?16:4, /*eof_ok=*/true, e->inbasefilename)) { + flac__utils_printf(stderr, 1, "%s: ERROR: incomplete chunk identifier\n", e->inbasefilename); + return false; + } + if(feof(e->fin)) + break; + + if(e->format == FORMAT_RF64 && !memcmp(chunk_id, "ds64", 4)) { /* RF64 64-bit sizes chunk */ + FLAC__uint32 xx, data_bytes; + + if(got_ds64_chunk) { + flac__utils_printf(stderr, 1, "%s: ERROR: file has multiple 'ds64' chunks\n", e->inbasefilename); + return false; + } + if(got_fmt_chunk) { + flac__utils_printf(stderr, 1, "%s: ERROR: 'ds64' chunk appears after 'fmt ' or 'data' chunk\n", e->inbasefilename); + return false; + } + + /* ds64 chunk size */ + if(!read_uint32(e->fin, /*big_endian=*/false, &xx, e->inbasefilename)) + return false; + data_bytes = xx; + if(data_bytes < 28) { + flac__utils_printf(stderr, 1, "%s: ERROR: non-standard 'ds64' chunk has length = %u\n", e->inbasefilename, (uint32_t)data_bytes); + return false; + } + if(data_bytes & 1) /* should never happen, but enforce WAVE alignment rules */ + data_bytes++; + + /* RIFF 64-bit size, lo/hi */ + if(!read_uint32(e->fin, /*big_endian=*/false, &xx, e->inbasefilename)) + return false; + if(!read_uint32(e->fin, /*big_endian=*/false, &xx, e->inbasefilename)) + return false; + + /* 'data' 64-bit size */ + if(!read_uint64(e->fin, /*big_endian=*/false, &ds64_data_size, e->inbasefilename)) + return false; + + data_bytes -= 16; + + /* skip any extra data in the ds64 chunk */ + if(!fskip_ahead(e->fin, data_bytes)) { + flac__utils_printf(stderr, 1, "%s: ERROR during read while skipping over extra 'ds64' data\n", e->inbasefilename); + return false; + } + + got_ds64_chunk = true; + } + else if( + !memcmp(chunk_id, "fmt ", 4) && + (e->format!=FORMAT_WAVE64 || !memcmp(chunk_id, "fmt \xF3\xAC\xD3\x11\x8C\xD1\x00\xC0\x4F\x8E\xDB\x8A", 16)) + ) { /* format chunk */ + FLAC__uint16 x; + FLAC__uint32 xx, data_bytes; + FLAC__uint16 wFormatTag; /* wFormatTag word from the 'fmt ' chunk */ + + if(got_fmt_chunk) { + flac__utils_printf(stderr, 1, "%s: ERROR: file has multiple 'fmt ' chunks\n", e->inbasefilename); + return false; + } + + /* see + * http://www-mmsp.ece.mcgill.ca/Documents/AudioFormats/WAVE/WAVE.html + * http://windowssdk.msdn.microsoft.com/en-us/library/ms713497.aspx + * http://msdn.microsoft.com/library/default.asp?url=/library/en-us/audio_r/hh/Audio_r/aud-prop_d40f094e-44f9-4baa-8a15-03e4fb369501.xml.asp + * + * WAVEFORMAT is + * 4 byte: chunk size + * 2 byte: format type: 1 for WAVE_FORMAT_PCM, 65534 for WAVE_FORMAT_EXTENSIBLE + * 2 byte: # channels + * 4 byte: sample rate (Hz) + * 4 byte: avg bytes per sec + * 2 byte: block align + * 2 byte: bits per sample (not necessarily all significant) + * WAVEFORMATEX adds + * 2 byte: extension size in bytes (usually 0 for WAVEFORMATEX and 22 for WAVEFORMATEXTENSIBLE with PCM) + * WAVEFORMATEXTENSIBLE adds + * 2 byte: valid bits per sample + * 4 byte: channel mask + * 16 byte: subformat GUID, first 2 bytes have format type, 1 being PCM + * + * Current spec says WAVEFORMATEX with PCM must have bps == 8 or 16, or any multiple of 8 for WAVEFORMATEXTENSIBLE. + * Lots of old broken WAVEs/apps have don't follow it, e.g. 20 bps but a block align of 3/6 for mono/stereo. + * + * Block align for WAVE_FORMAT_PCM or WAVE_FORMAT_EXTENSIBLE is also supposed to be channels*bps/8 + * + * If the channel mask has more set bits than # of channels, the extra MSBs are ignored. + * If the channel mask has less set bits than # of channels, the extra channels are unassigned to any speaker. + * + * Data is supposed to be uint32_t for bps <= 8 else signed. + */ + + /* fmt chunk size */ + if(!read_uint32(e->fin, /*big_endian=*/false, &xx, e->inbasefilename)) + return false; + data_bytes = xx; + if(e->format == FORMAT_WAVE64) { + /* other half of the size field should be 0 */ + if(!read_uint32(e->fin, /*big_endian=*/false, &xx, e->inbasefilename)) + return false; + if(xx) { + flac__utils_printf(stderr, 1, "%s: ERROR: freakishly large Wave64 'fmt ' chunk has length = 0x%08X%08X\n", e->inbasefilename, (uint32_t)xx, (uint32_t)data_bytes); + return false; + } + /* subtract size of header */ + if (data_bytes < 16+8) { + flac__utils_printf(stderr, 1, "%s: ERROR: freakishly small Wave64 'fmt ' chunk has length = 0x%08X%08X\n", e->inbasefilename, (uint32_t)xx, (uint32_t)data_bytes); + return false; + } + data_bytes -= (16+8); + } + if(data_bytes < 16 || data_bytes > (UINT32_MAX-8)) { + flac__utils_printf(stderr, 1, "%s: ERROR: non-standard 'fmt ' chunk has length = %u\n", e->inbasefilename, (uint32_t)data_bytes); + return false; + } + if(e->format != FORMAT_WAVE64) { + if(data_bytes & 1) /* should never happen, but enforce WAVE alignment rules */ + data_bytes++; + } + else { /* Wave64 */ + data_bytes = (data_bytes+7) & (~7u); /* should never happen, but enforce Wave64 alignment rules */ + } + + /* format code */ + if(!read_uint16(e->fin, /*big_endian=*/false, &wFormatTag, e->inbasefilename)) + return false; + if(wFormatTag != 1 /*WAVE_FORMAT_PCM*/ && wFormatTag != 65534 /*WAVE_FORMAT_EXTENSIBLE*/) { + flac__utils_printf(stderr, 1, "%s: ERROR: unsupported format type %u\n", e->inbasefilename, (uint32_t)wFormatTag); + return false; + } + + /* number of channels */ + if(!read_uint16(e->fin, /*big_endian=*/false, &x, e->inbasefilename)) + return false; + channels = (uint32_t)x; + + /* sample rate */ + if(!read_uint32(e->fin, /*big_endian=*/false, &xx, e->inbasefilename)) + return false; + sample_rate = xx; + + /* avg bytes per second (ignored) */ + if(!read_uint32(e->fin, /*big_endian=*/false, &xx, e->inbasefilename)) + return false; + /* block align */ + if(!read_uint16(e->fin, /*big_endian=*/false, &x, e->inbasefilename)) + return false; + block_align = x; + /* bits per sample */ + if(!read_uint16(e->fin, /*big_endian=*/false, &x, e->inbasefilename)) + return false; + bps = (uint32_t)x; + + e->info.is_unsigned_samples = (bps <= 8); + + if(wFormatTag == 1) { + if(bps != 8 && bps != 16) { + if(bps == 24 || bps == 32) { + /* let these slide with a warning since they're unambiguous */ + flac__utils_printf(stderr, 1, "%s: WARNING: legacy WAVE file has format type %u but bits-per-sample=%u\n", e->inbasefilename, (uint32_t)wFormatTag, bps); + if(e->treat_warnings_as_errors) + return false; + } + else { + /* @@@ we could add an option to specify left- or right-justified blocks so we knew how to set 'shift' */ + flac__utils_printf(stderr, 1, "%s: ERROR: legacy WAVE file has format type %u but bits-per-sample=%u\n", e->inbasefilename, (uint32_t)wFormatTag, bps); + return false; + } + } + if((bps+7)/8 * channels != block_align) { + flac__utils_printf(stderr, 1, "%s: ERROR: legacy WAVE file has block alignment=%u, bits-per-sample=%u, channels=%u\n", e->inbasefilename, (uint32_t)wFormatTag, block_align, bps, channels); + return false; + } + if(channels > 2 && !options.channel_map_none) { + flac__utils_printf(stderr, 1, "%s: ERROR: WAVE has >2 channels but is not WAVE_FORMAT_EXTENSIBLE; cannot assign channels\n", e->inbasefilename); + return false; + } + FLAC__ASSERT(data_bytes >= 16); + data_bytes -= 16; + } + else { + if(data_bytes < 40) { + flac__utils_printf(stderr, 1, "%s: ERROR: invalid WAVEFORMATEXTENSIBLE chunk with size %u\n", e->inbasefilename, (uint32_t)data_bytes); + return false; + } + /* cbSize */ + if(!read_uint16(e->fin, /*big_endian=*/false, &x, e->inbasefilename)) + return false; + if(x < 22) { + flac__utils_printf(stderr, 1, "%s: ERROR: invalid WAVEFORMATEXTENSIBLE chunk with cbSize %u\n", e->inbasefilename, (uint32_t)x); + return false; + } + /* valid bps */ + if(!read_uint16(e->fin, /*big_endian=*/false, &x, e->inbasefilename)) + return false; + if((uint32_t)x > bps) { + flac__utils_printf(stderr, 1, "%s: ERROR: invalid WAVEFORMATEXTENSIBLE chunk with wValidBitsPerSample (%u) > wBitsPerSample (%u)\n", e->inbasefilename, (uint32_t)x, bps); + return false; + } + shift = bps - (uint32_t)x; + /* channel mask */ + if(!read_uint32(e->fin, /*big_endian=*/false, &channel_mask, e->inbasefilename)) + return false; + + if(count_channel_mask_bits(channel_mask) > channels) { + flac__utils_printf(stderr, 1, "%s: WARNING: WAVEFORMATEXTENSIBLE chunk: channel mask 0x%04X has extra bits for non-existant channels (#channels=%u)\n", e->inbasefilename, (uint32_t)channel_mask, channels); + if(e->treat_warnings_as_errors) + return false; + } + /* first part of GUID */ + if(!read_uint16(e->fin, /*big_endian=*/false, &x, e->inbasefilename)) + return false; + if(x != 1) { + flac__utils_printf(stderr, 1, "%s: ERROR: unsupported WAVEFORMATEXTENSIBLE chunk with non-PCM format %u\n", e->inbasefilename, (uint32_t)x); + return false; + } + data_bytes -= 26; + } + + e->info.bytes_per_wide_sample = channels * (bps / 8); + + /* skip any extra data in the fmt chunk */ + if(!fskip_ahead(e->fin, data_bytes)) { + flac__utils_printf(stderr, 1, "%s: ERROR during read while skipping over extra 'fmt' data\n", e->inbasefilename); + return false; + } + + got_fmt_chunk = true; + } + else if( + !memcmp(chunk_id, "data", 4) && + (e->format!=FORMAT_WAVE64 || !memcmp(chunk_id, "data\xF3\xAC\xD3\x11\x8C\xD1\x00\xC0\x4F\x8E\xDB\x8A", 16)) + ) { /* data chunk */ + FLAC__uint32 xx; + FLAC__uint64 data_bytes; + + if(!got_fmt_chunk) { + flac__utils_printf(stderr, 1, "%s: ERROR: got 'data' chunk before 'fmt' chunk\n", e->inbasefilename); + return false; + } + + /* data size */ + if(e->format != FORMAT_WAVE64) { + if(!read_uint32(e->fin, /*big_endian=*/false, &xx, e->inbasefilename)) + return false; + data_bytes = xx; + } + else { /* Wave64 */ + if(!read_uint64(e->fin, /*big_endian=*/false, &data_bytes, e->inbasefilename)) + return false; + /* subtract size of header */ + if (data_bytes < 16+8) { + flac__utils_printf(stderr, 1, "%s: ERROR: freakishly small Wave64 'data' chunk has length = 0x00000000%08X\n", e->inbasefilename, (uint32_t)data_bytes); + return false; + } + data_bytes -= (16+8); + } + if(e->format == FORMAT_RF64) { + if(!got_ds64_chunk) { + flac__utils_printf(stderr, 1, "%s: ERROR: RF64 file has no 'ds64' chunk before 'data' chunk\n", e->inbasefilename); + return false; + } + if(data_bytes == 0xffffffff) + data_bytes = ds64_data_size; + } + if(options.ignore_chunk_sizes) { + if(data_bytes) { + flac__utils_printf(stderr, 1, "%s: WARNING: 'data' chunk has non-zero size, using --ignore-chunk-sizes is probably a bad idea\n", e->inbasefilename, chunk_id); + if(e->treat_warnings_as_errors) + return false; + } + data_bytes = (FLAC__uint64)0 - (FLAC__uint64)e->info.bytes_per_wide_sample; /* max out data_bytes; we'll use EOF as signal to stop reading */ + } + else if(0 == data_bytes) { + flac__utils_printf(stderr, 1, "%s: ERROR: 'data' chunk has size of 0\n", e->inbasefilename); + return false; + } + + e->fmt.iff.data_bytes = data_bytes; + + got_data_chunk = true; + break; + } + else { + FLAC__uint32 xx; + FLAC__uint64 skip; + if(!options.format_options.iff.foreign_metadata) { + if(e->format != FORMAT_WAVE64) + flac__utils_printf(stderr, 1, "%s: WARNING: skipping unknown chunk '%s' (use --keep-foreign-metadata to keep)\n", e->inbasefilename, chunk_id); + else + flac__utils_printf(stderr, 1, "%s: WARNING: skipping unknown chunk %02X%02X%02X%02X-%02X%02X-%02X%02X-%02X%02X-%02X%02X%02X%02X%02X%02X (use --keep-foreign-metadata to keep)\n", + e->inbasefilename, + (uint32_t)((const uint8_t *)chunk_id)[3], + (uint32_t)((const uint8_t *)chunk_id)[2], + (uint32_t)((const uint8_t *)chunk_id)[1], + (uint32_t)((const uint8_t *)chunk_id)[0], + (uint32_t)((const uint8_t *)chunk_id)[5], + (uint32_t)((const uint8_t *)chunk_id)[4], + (uint32_t)((const uint8_t *)chunk_id)[7], + (uint32_t)((const uint8_t *)chunk_id)[6], + (uint32_t)((const uint8_t *)chunk_id)[9], + (uint32_t)((const uint8_t *)chunk_id)[8], + (uint32_t)((const uint8_t *)chunk_id)[10], + (uint32_t)((const uint8_t *)chunk_id)[11], + (uint32_t)((const uint8_t *)chunk_id)[12], + (uint32_t)((const uint8_t *)chunk_id)[13], + (uint32_t)((const uint8_t *)chunk_id)[14], + (uint32_t)((const uint8_t *)chunk_id)[15] + ); + if(e->treat_warnings_as_errors) + return false; + } + + /* chunk size */ + if(e->format != FORMAT_WAVE64) { + if(!read_uint32(e->fin, /*big_endian=*/false, &xx, e->inbasefilename)) + return false; + skip = xx; + skip += skip & 1; + } + else { /* Wave64 */ + if(!read_uint64(e->fin, /*big_endian=*/false, &skip, e->inbasefilename)) + return false; + skip = (skip+7) & (~(FLAC__uint64)7); + /* subtract size of header */ + if (skip < 16+8) { + flac__utils_printf(stderr, 1, "%s: ERROR: freakishly small Wave64 chunk has length = 0x00000000%08X\n", e->inbasefilename, (uint32_t)skip); + return false; + } + skip -= (16+8); + } + if(skip) { + if(!fskip_ahead(e->fin, skip)) { + flac__utils_printf(stderr, 1, "%s: ERROR during read while skipping over chunk\n", e->inbasefilename); + return false; + } + } + } + } + + if(!got_fmt_chunk) { + flac__utils_printf(stderr, 1, "%s: ERROR: didn't find fmt chunk\n", e->inbasefilename); + return false; + } + if(!got_data_chunk) { + flac__utils_printf(stderr, 1, "%s: ERROR: didn't find data chunk\n", e->inbasefilename); + return false; + } + + e->info.sample_rate = sample_rate; + e->info.channels = channels; + e->info.bits_per_sample = bps; + e->info.shift = shift; + e->info.channel_mask = channel_mask; + + return true; +} + +static FLAC__bool get_sample_info_aiff(EncoderSession *e, encode_options_t options) +{ + FLAC__bool got_comm_chunk = false, got_ssnd_chunk = false; + uint32_t sample_rate = 0, channels = 0, bps = 0, shift = 0; + FLAC__uint64 sample_frames = 0; + FLAC__uint32 channel_mask = 0; + + e->info.is_unsigned_samples = false; + e->info.is_big_endian = true; + + /* + * lookahead[] already has "FORMxxxxAIFF", do chunks + */ + while(!feof(e->fin) && !got_ssnd_chunk) { + char chunk_id[5] = { '\0', '\0', '\0', '\0', '\0' }; /* one extra byte for terminating NUL so we can also treat it like a C string */ + if(!read_bytes(e->fin, (FLAC__byte*)chunk_id, 4, /*eof_ok=*/true, e->inbasefilename)) { + flac__utils_printf(stderr, 1, "%s: ERROR: incomplete chunk identifier\n", e->inbasefilename); + return false; + } + if(feof(e->fin)) + break; + + if(!memcmp(chunk_id, "COMM", 4)) { /* common chunk */ + FLAC__uint16 x; + FLAC__uint32 xx; + uint64_t skip; + const FLAC__bool is_aifc = e->format == FORMAT_AIFF_C; + const FLAC__uint32 minimum_comm_size = (is_aifc? 22 : 18); + + if(got_comm_chunk) { + flac__utils_printf(stderr, 1, "%s: ERROR: file has multiple 'COMM' chunks\n", e->inbasefilename); + return false; + } + + /* COMM chunk size */ + if(!read_uint32(e->fin, /*big_endian=*/true, &xx, e->inbasefilename)) + return false; + else if(xx < minimum_comm_size) { + flac__utils_printf(stderr, 1, "%s: ERROR: non-standard %s 'COMM' chunk has length = %u\n", e->inbasefilename, is_aifc? "AIFF-C" : "AIFF", (uint32_t)xx); + return false; + } + else if(!is_aifc && xx != minimum_comm_size) { + flac__utils_printf(stderr, 1, "%s: WARNING: non-standard %s 'COMM' chunk has length = %u, expected %u\n", e->inbasefilename, is_aifc? "AIFF-C" : "AIFF", (uint32_t)xx, minimum_comm_size); + if(e->treat_warnings_as_errors) + return false; + } + skip = (xx-minimum_comm_size)+(xx & 1); + + /* number of channels */ + if(!read_uint16(e->fin, /*big_endian=*/true, &x, e->inbasefilename)) + return false; + channels = (uint32_t)x; + if(channels > 2 && !options.channel_map_none) { + flac__utils_printf(stderr, 1, "%s: ERROR: unsupported number of channels %u for AIFF\n", e->inbasefilename, channels); + return false; + } + + /* number of sample frames */ + if(!read_uint32(e->fin, /*big_endian=*/true, &xx, e->inbasefilename)) + return false; + sample_frames = xx; + + /* bits per sample */ + if(!read_uint16(e->fin, /*big_endian=*/true, &x, e->inbasefilename)) + return false; + bps = (uint32_t)x; + shift = (bps%8)? 8-(bps%8) : 0; /* SSND data is always byte-aligned, left-justified but format_input() will double-check */ + bps += shift; + + /* sample rate */ + if(!read_sane_extended(e->fin, &xx, e->inbasefilename)) + return false; + sample_rate = xx; + + /* check compression type for AIFF-C */ + if(is_aifc) { + if(!read_uint32(e->fin, /*big_endian=*/true, &xx, e->inbasefilename)) + return false; + if(xx == 0x736F7774) /* "sowt" */ + e->info.is_big_endian = false; + else if(xx == 0x4E4F4E45) /* "NONE" */ + ; /* nothing to do, we already default to big-endian */ + else { + flac__utils_printf(stderr, 1, "%s: ERROR: can't handle AIFF-C compression type \"%c%c%c%c\"\n", e->inbasefilename, (char)(xx>>24), (char)((xx>>16)&8), (char)((xx>>8)&8), (char)(xx&8)); + return false; + } + } + + /* set channel mapping */ + /* FLAC order follows SMPTE and WAVEFORMATEXTENSIBLE but with fewer channels, which are: */ + /* front left, front right, center, LFE, back left, back right, surround left, surround right */ + /* specs say the channel ordering is: + * 1 2 3 4 5 6 + * ___________________________________________________ + * 2 stereo l r + * 3 l r c + * 4 l c r S + * quad (ambiguous with 4ch) Fl Fr Bl Br + * 5 Fl Fr Fc Sl Sr + * 6 l lc c r rc S + * l:left r:right c:center Fl:front-left Fr:front-right Bl:back-left Br:back-right Lc:left-center Rc:right-center S:surround + * so we only have unambiguous mappings for 2, 3, and 5 channels + */ + if( + options.channel_map_none || + channels == 1 || /* 1 channel: (mono) */ + channels == 2 || /* 2 channels: left, right */ + channels == 3 || /* 3 channels: left, right, center */ + channels == 5 /* 5 channels: front left, front right, center, surround left, surround right */ + ) { + /* keep default channel order */ + } + else { + flac__utils_printf(stderr, 1, "%s: ERROR: unsupported number of channels %u for AIFF\n", e->inbasefilename, channels); + return false; + } + + e->info.bytes_per_wide_sample = channels * (bps / 8); + + /* skip any extra data in the COMM chunk */ + if(!fskip_ahead(e->fin, skip)) { + flac__utils_printf(stderr, 1, "%s: ERROR during read while skipping over extra COMM data\n", e->inbasefilename); + return false; + } + + got_comm_chunk = true; + } + else if(!memcmp(chunk_id, "SSND", 4) && !got_ssnd_chunk) { /* sound data chunk */ + FLAC__uint32 xx; + FLAC__uint64 data_bytes; + uint32_t offset = 0; + + if(!got_comm_chunk) { + flac__utils_printf(stderr, 1, "%s: ERROR: got 'SSND' chunk before 'COMM' chunk\n", e->inbasefilename); + return false; + } + + /* SSND chunk size */ + if(!read_uint32(e->fin, /*big_endian=*/true, &xx, e->inbasefilename)) + return false; + data_bytes = xx; + if(options.ignore_chunk_sizes) { + if(data_bytes) { + flac__utils_printf(stderr, 1, "%s: WARNING: 'SSND' chunk has non-zero size, using --ignore-chunk-sizes is probably a bad idea\n", e->inbasefilename, chunk_id); + if(e->treat_warnings_as_errors) + return false; + } + data_bytes = (FLAC__uint64)0 - (FLAC__uint64)e->info.bytes_per_wide_sample; /* max out data_bytes; we'll use EOF as signal to stop reading */ + } + else if(data_bytes <= 8) { + flac__utils_printf(stderr, 1, "%s: ERROR: 'SSND' chunk has size <= 8\n", e->inbasefilename); + return false; + } + else { + data_bytes -= 8; /* discount the offset and block size fields */ + } + + /* offset */ + if(!read_uint32(e->fin, /*big_endian=*/true, &xx, e->inbasefilename)) + return false; + offset = xx; + data_bytes -= offset; + + /* block size */ + if(!read_uint32(e->fin, /*big_endian=*/true, &xx, e->inbasefilename)) + return false; + if(xx && !options.ignore_chunk_sizes) + data_bytes -= (xx - (data_bytes % xx)); + if(options.ignore_chunk_sizes) { + if(xx) { + flac__utils_printf(stderr, 1, "%s: WARNING: 'SSND' chunk has non-zero blocksize, using --ignore-chunk-sizes is probably a bad idea\n", e->inbasefilename, chunk_id); + if(e->treat_warnings_as_errors) + return false; + } + } + + /* skip any SSND offset bytes */ + if(!fskip_ahead(e->fin, offset)) { + flac__utils_printf(stderr, 1, "%s: ERROR: skipping offset in SSND chunk\n", e->inbasefilename); + return false; + } + + e->fmt.iff.data_bytes = data_bytes; + + got_ssnd_chunk = true; + } + else { + FLAC__uint32 xx; + if(!options.format_options.iff.foreign_metadata) { + flac__utils_printf(stderr, 1, "%s: WARNING: skipping unknown chunk '%s' (use --keep-foreign-metadata to keep)\n", e->inbasefilename, chunk_id); + if(e->treat_warnings_as_errors) + return false; + } + + /* chunk size */ + if(!read_uint32(e->fin, /*big_endian=*/true, &xx, e->inbasefilename)) + return false; + else { + uint64_t skip = xx + (xx & 1); + + FLAC__ASSERT(skip <= LONG_MAX); + if(!fskip_ahead(e->fin, skip)) { + flac__utils_printf(stderr, 1, "%s: ERROR during read while skipping over chunk\n", e->inbasefilename); + return false; + } + } + } + } + + if(!got_comm_chunk) { + flac__utils_printf(stderr, 1, "%s: ERROR: didn't find COMM chunk\n", e->inbasefilename); + return false; + } + if(!got_ssnd_chunk && sample_frames) { + flac__utils_printf(stderr, 1, "%s: ERROR: didn't find SSND chunk\n", e->inbasefilename); + return false; + } + + e->info.sample_rate = sample_rate; + e->info.channels = channels; + e->info.bits_per_sample = bps; + e->info.shift = shift; + e->info.channel_mask = channel_mask; + + return true; +} + +static FLAC__bool get_sample_info_flac(EncoderSession *e) +{ + if (!( + FLAC__stream_decoder_set_md5_checking(e->fmt.flac.decoder, false) && + FLAC__stream_decoder_set_metadata_respond_all(e->fmt.flac.decoder) + )) { + flac__utils_printf(stderr, 1, "%s: ERROR: setting up decoder for FLAC input\n", e->inbasefilename); + return false; + } + + if (e->format == FORMAT_OGGFLAC) { + if (FLAC__stream_decoder_init_ogg_stream(e->fmt.flac.decoder, flac_decoder_read_callback, flac_decoder_seek_callback, flac_decoder_tell_callback, flac_decoder_length_callback, flac_decoder_eof_callback, flac_decoder_write_callback, flac_decoder_metadata_callback, flac_decoder_error_callback, /*client_data=*/e) != FLAC__STREAM_DECODER_INIT_STATUS_OK) { + flac__utils_printf(stderr, 1, "%s: ERROR: initializing decoder for Ogg FLAC input, state = %s\n", e->inbasefilename, FLAC__stream_decoder_get_resolved_state_string(e->fmt.flac.decoder)); + return false; + } + } + else if (FLAC__stream_decoder_init_stream(e->fmt.flac.decoder, flac_decoder_read_callback, flac_decoder_seek_callback, flac_decoder_tell_callback, flac_decoder_length_callback, flac_decoder_eof_callback, flac_decoder_write_callback, flac_decoder_metadata_callback, flac_decoder_error_callback, /*client_data=*/e) != FLAC__STREAM_DECODER_INIT_STATUS_OK) { + flac__utils_printf(stderr, 1, "%s: ERROR: initializing decoder for FLAC input, state = %s\n", e->inbasefilename, FLAC__stream_decoder_get_resolved_state_string(e->fmt.flac.decoder)); + return false; + } + + if (!FLAC__stream_decoder_process_until_end_of_metadata(e->fmt.flac.decoder) || e->fmt.flac.client_data.fatal_error) { + if (e->fmt.flac.client_data.fatal_error) + flac__utils_printf(stderr, 1, "%s: ERROR: out of memory or too many metadata blocks while reading metadata in FLAC input\n", e->inbasefilename); + else + flac__utils_printf(stderr, 1, "%s: ERROR: reading metadata in FLAC input, state = %s\n", e->inbasefilename, FLAC__stream_decoder_get_resolved_state_string(e->fmt.flac.decoder)); + return false; + } + + if (e->fmt.flac.client_data.num_metadata_blocks == 0) { + flac__utils_printf(stderr, 1, "%s: ERROR: reading metadata in FLAC input, got no metadata blocks\n", e->inbasefilename); + return false; + } + else if (e->fmt.flac.client_data.metadata_blocks[0]->type != FLAC__METADATA_TYPE_STREAMINFO) { + flac__utils_printf(stderr, 1, "%s: ERROR: reading metadata in FLAC input, first metadata block is not STREAMINFO\n", e->inbasefilename); + return false; + } + else if (e->fmt.flac.client_data.metadata_blocks[0]->data.stream_info.total_samples == 0) { + flac__utils_printf(stderr, 1, "%s: ERROR: FLAC input has STREAMINFO with unknown total samples which is not supported\n", e->inbasefilename); + return false; + } + + e->info.sample_rate = e->fmt.flac.client_data.metadata_blocks[0]->data.stream_info.sample_rate; + e->info.channels = e->fmt.flac.client_data.metadata_blocks[0]->data.stream_info.channels; + e->info.bits_per_sample = e->fmt.flac.client_data.metadata_blocks[0]->data.stream_info.bits_per_sample; + e->info.shift = 0; + e->info.bytes_per_wide_sample = 0; + e->info.is_unsigned_samples = false; /* not applicable for FLAC input */ + e->info.is_big_endian = false; /* not applicable for FLAC input */ + e->info.channel_mask = 0; + + return true; +} + +/* + * public routines + */ +int flac__encode_file(FILE *infile, FLAC__off_t infilesize, const char *infilename, const char *outfilename, const FLAC__byte *lookahead, uint32_t lookahead_length, encode_options_t options) +{ + EncoderSession encoder_session; + size_t channel_map[FLAC__MAX_CHANNELS]; + + if(!EncoderSession_construct(&encoder_session, options, infilesize, infile, infilename, outfilename, lookahead, lookahead_length)) + return 1; + + /* initialize default channel map that preserves channel order */ + { + size_t i; + for(i = 0; i < sizeof(channel_map)/sizeof(channel_map[0]); i++) + channel_map[i] = i; + } + + /* read foreign metadata if requested */ + if(EncoderSession_format_is_iff(&encoder_session) && options.format_options.iff.foreign_metadata) { + const char *error; + if(!( + options.format == FORMAT_WAVE || options.format == FORMAT_RF64? + flac__foreign_metadata_read_from_wave(options.format_options.iff.foreign_metadata, infilename, &error) : + options.format == FORMAT_WAVE64? + flac__foreign_metadata_read_from_wave64(options.format_options.iff.foreign_metadata, infilename, &error) : + flac__foreign_metadata_read_from_aiff(options.format_options.iff.foreign_metadata, infilename, &error) + )) { + if(options.relaxed_foreign_metadata_handling) { + flac__utils_printf(stderr, 1, "%s: WARNING reading foreign metadata: %s\n", encoder_session.inbasefilename, error); + if(encoder_session.treat_warnings_as_errors) + return EncoderSession_finish_error(&encoder_session); + } + else { + flac__utils_printf(stderr, 1, "%s: ERROR reading foreign metadata: %s\n", encoder_session.inbasefilename, error); + return EncoderSession_finish_error(&encoder_session); + } + } + } + + /* initialize encoder session with info about the audio (channels/bps/resolution/endianness/etc) */ + switch(options.format) { + case FORMAT_RAW: + if(!get_sample_info_raw(&encoder_session, options)) + return EncoderSession_finish_error(&encoder_session); + break; + case FORMAT_WAVE: + case FORMAT_WAVE64: + case FORMAT_RF64: + if(!get_sample_info_wave(&encoder_session, options)) + return EncoderSession_finish_error(&encoder_session); + break; + case FORMAT_AIFF: + case FORMAT_AIFF_C: + if(!get_sample_info_aiff(&encoder_session, options)) + return EncoderSession_finish_error(&encoder_session); + break; + case FORMAT_FLAC: + case FORMAT_OGGFLAC: + /* + * set up FLAC decoder for the input + */ + if (0 == (encoder_session.fmt.flac.decoder = FLAC__stream_decoder_new())) { + flac__utils_printf(stderr, 1, "%s: ERROR: creating decoder for FLAC input\n", encoder_session.inbasefilename); + return EncoderSession_finish_error(&encoder_session); + } + if(!get_sample_info_flac(&encoder_session)) + return EncoderSession_finish_error(&encoder_session); + break; + default: + FLAC__ASSERT(0); + /* double protection */ + return EncoderSession_finish_error(&encoder_session); + } + + /* some more checks */ + if(encoder_session.info.channels == 0 || encoder_session.info.channels > FLAC__MAX_CHANNELS) { + flac__utils_printf(stderr, 1, "%s: ERROR: unsupported number of channels %u\n", encoder_session.inbasefilename, encoder_session.info.channels); + return EncoderSession_finish_error(&encoder_session); + } + if(!FLAC__format_sample_rate_is_valid(encoder_session.info.sample_rate)) { + flac__utils_printf(stderr, 1, "%s: ERROR: unsupported sample rate %u\n", encoder_session.inbasefilename, encoder_session.info.sample_rate); + return EncoderSession_finish_error(&encoder_session); + } + if(encoder_session.info.bits_per_sample-encoder_session.info.shift < 4 || encoder_session.info.bits_per_sample-encoder_session.info.shift > 32) { + flac__utils_printf(stderr, 1, "%s: ERROR: unsupported bits-per-sample %u\n", encoder_session.inbasefilename, encoder_session.info.bits_per_sample-encoder_session.info.shift); + return EncoderSession_finish_error(&encoder_session); + } + + { + FLAC__uint64 total_samples_in_input; /* WATCHOUT: may be 0 to mean "unknown" */ + FLAC__uint64 skip; + FLAC__uint64 until; /* a value of 0 mean end-of-stream (i.e. --until=-0) */ + uint32_t consecutive_eos_count = 0; + + switch(options.format) { + case FORMAT_RAW: + if(infilesize < 0) + total_samples_in_input = 0; + else + total_samples_in_input = (FLAC__uint64)infilesize / encoder_session.info.bytes_per_wide_sample; + break; + case FORMAT_WAVE: + case FORMAT_WAVE64: + case FORMAT_RF64: + case FORMAT_AIFF: + case FORMAT_AIFF_C: + /* truncation in the division removes any padding byte that was counted in encoder_session.fmt.iff.data_bytes */ + total_samples_in_input = encoder_session.fmt.iff.data_bytes / encoder_session.info.bytes_per_wide_sample; + + /* check for chunks trailing the audio data */ + if(!options.ignore_chunk_sizes && !options.format_options.iff.foreign_metadata + && infilesize != (FLAC__off_t)(-1)) { + FLAC__off_t current_position = ftello(encoder_session.fin); + if(current_position > 0) { + FLAC__uint64 end_of_data_chunk = current_position + encoder_session.fmt.iff.data_bytes; + if(end_of_data_chunk < (FLAC__uint64)infilesize) { + flac__utils_printf(stderr, 1, "%s: WARNING: there is data trailing the audio data. Use --keep-foreign-metadata or --ignore-chunk-sizes to keep it\n", encoder_session.inbasefilename); + if(encoder_session.treat_warnings_as_errors) + return EncoderSession_finish_error(&encoder_session); + } + else if(end_of_data_chunk > (FLAC__uint64)infilesize) { + flac__utils_printf(stderr, 1, "%s: WARNING: the length of the data chunk overruns the end of the file. Please consult the manual on the --ignore-chunk-sizes option\n", encoder_session.inbasefilename); + if(encoder_session.treat_warnings_as_errors) + return EncoderSession_finish_error(&encoder_session); + } + } + } + break; + case FORMAT_FLAC: + case FORMAT_OGGFLAC: + total_samples_in_input = encoder_session.fmt.flac.client_data.metadata_blocks[0]->data.stream_info.total_samples; + break; + default: + FLAC__ASSERT(0); + /* double protection */ + return EncoderSession_finish_error(&encoder_session); + } + + /* + * now that we know the sample rate, canonicalize the + * --skip string to an absolute sample number: + */ + if(!flac__utils_canonicalize_skip_until_specification(&options.skip_specification, encoder_session.info.sample_rate)) { + flac__utils_printf(stderr, 1, "%s: ERROR: value of --skip is too large\n", encoder_session.inbasefilename, encoder_session.info.bits_per_sample-encoder_session.info.shift); + return EncoderSession_finish_error(&encoder_session); + } + FLAC__ASSERT(options.skip_specification.value.samples >= 0); + skip = (FLAC__uint64)options.skip_specification.value.samples; + + /* + * now that we possibly know the input size, canonicalize the + * --until string to an absolute sample number: + */ + if(!canonicalize_until_specification(&options.until_specification, encoder_session.inbasefilename, encoder_session.info.sample_rate, skip, total_samples_in_input)) + return EncoderSession_finish_error(&encoder_session); + until = (FLAC__uint64)options.until_specification.value.samples; + + /* adjust encoding parameters based on skip and until values */ + switch(options.format) { + case FORMAT_RAW: + FLAC__ASSERT(sizeof(FLAC__off_t) == 8); + if(skip >= INT64_MAX / encoder_session.info.bytes_per_wide_sample) { + flac__utils_printf(stderr, 1, "%s: ERROR: value of --skip is too large\n", encoder_session.inbasefilename, encoder_session.info.bits_per_sample-encoder_session.info.shift); + return EncoderSession_finish_error(&encoder_session); + } + infilesize -= (FLAC__off_t)skip * encoder_session.info.bytes_per_wide_sample; + encoder_session.total_samples_to_encode = total_samples_in_input - skip; + break; + case FORMAT_WAVE: + case FORMAT_WAVE64: + case FORMAT_RF64: + case FORMAT_AIFF: + case FORMAT_AIFF_C: + FLAC__ASSERT(sizeof(FLAC__off_t) == 8); + if(skip >= INT64_MAX / encoder_session.info.bytes_per_wide_sample) { + flac__utils_printf(stderr, 1, "%s: ERROR: value of --skip is too large\n", encoder_session.inbasefilename, encoder_session.info.bits_per_sample-encoder_session.info.shift); + return EncoderSession_finish_error(&encoder_session); + } + encoder_session.fmt.iff.data_bytes -= skip * encoder_session.info.bytes_per_wide_sample; + if(options.ignore_chunk_sizes) { + encoder_session.total_samples_to_encode = 0; + FLAC__ASSERT(0 == until); + } + else { + encoder_session.total_samples_to_encode = total_samples_in_input - skip; + } + break; + case FORMAT_FLAC: + case FORMAT_OGGFLAC: + encoder_session.total_samples_to_encode = total_samples_in_input - skip; + break; + default: + FLAC__ASSERT(0); + /* double protection */ + return EncoderSession_finish_error(&encoder_session); + } + if(until > 0) { + const FLAC__uint64 trim = total_samples_in_input - until; + FLAC__ASSERT(total_samples_in_input > 0); + if(options.format == FORMAT_RAW) + infilesize -= (FLAC__off_t)trim * encoder_session.info.bytes_per_wide_sample; + else if(EncoderSession_format_is_iff(&encoder_session)) + encoder_session.fmt.iff.data_bytes -= trim * encoder_session.info.bytes_per_wide_sample; + encoder_session.total_samples_to_encode -= trim; + } + switch(options.format) { + case FORMAT_RAW: + encoder_session.unencoded_size = encoder_session.total_samples_to_encode * encoder_session.info.bytes_per_wide_sample; + break; + case FORMAT_WAVE: + /* +44 for the size of the WAVE headers; this is just an estimate for the progress indicator and doesn't need to be exact */ + encoder_session.unencoded_size = encoder_session.total_samples_to_encode * encoder_session.info.bytes_per_wide_sample + 44; + break; + case FORMAT_WAVE64: + /* +44 for the size of the WAVE headers; this is just an estimate for the progress indicator and doesn't need to be exact */ + encoder_session.unencoded_size = encoder_session.total_samples_to_encode * encoder_session.info.bytes_per_wide_sample + 104; + break; + case FORMAT_RF64: + /* +72 for the size of the RF64 headers; this is just an estimate for the progress indicator and doesn't need to be exact */ + encoder_session.unencoded_size = encoder_session.total_samples_to_encode * encoder_session.info.bytes_per_wide_sample + 80; + break; + case FORMAT_AIFF: + case FORMAT_AIFF_C: + /* +54 for the size of the AIFF headers; this is just an estimate for the progress indicator and doesn't need to be exact */ + encoder_session.unencoded_size = encoder_session.total_samples_to_encode * encoder_session.info.bytes_per_wide_sample + 54; + break; + case FORMAT_FLAC: + case FORMAT_OGGFLAC: + if(infilesize < 0) + /* if we don't know, use 0 as hint to progress indicator (which is the only place this is used): */ + encoder_session.unencoded_size = 0; + else if(skip == 0 && until == 0) + encoder_session.unencoded_size = (FLAC__uint64)infilesize; + else if(total_samples_in_input) + encoder_session.unencoded_size = (FLAC__uint64)infilesize * encoder_session.total_samples_to_encode / total_samples_in_input; + else + encoder_session.unencoded_size = (FLAC__uint64)infilesize; + break; + default: + FLAC__ASSERT(0); + /* double protection */ + return EncoderSession_finish_error(&encoder_session); + } + + if(encoder_session.total_samples_to_encode == 0) { + encoder_session.unencoded_size = 0; + flac__utils_printf(stderr, 2, "(No runtime statistics possible; please wait for encoding to finish...)\n"); + } + + if(options.format == FORMAT_FLAC || options.format == FORMAT_OGGFLAC) + encoder_session.fmt.flac.client_data.samples_left_to_process = encoder_session.total_samples_to_encode; + + stats_new_file(); + /* init the encoder */ + if(!EncoderSession_init_encoder(&encoder_session, options)) + return EncoderSession_finish_error(&encoder_session); + + /* skip over any samples as requested */ + if(skip > 0) { + switch(options.format) { + case FORMAT_RAW: + { + uint32_t skip_bytes = encoder_session.info.bytes_per_wide_sample * (uint32_t)skip; + if(skip_bytes > lookahead_length) { + skip_bytes -= lookahead_length; + lookahead_length = 0; + if(!fskip_ahead(encoder_session.fin, skip_bytes)) { + flac__utils_printf(stderr, 1, "%s: ERROR during read while skipping samples\n", encoder_session.inbasefilename); + return EncoderSession_finish_error(&encoder_session); + } + } + else { + lookahead += skip_bytes; + lookahead_length -= skip_bytes; + } + } + break; + case FORMAT_WAVE: + case FORMAT_WAVE64: + case FORMAT_RF64: + case FORMAT_AIFF: + case FORMAT_AIFF_C: + if(!fskip_ahead(encoder_session.fin, skip * encoder_session.info.bytes_per_wide_sample)) { + flac__utils_printf(stderr, 1, "%s: ERROR during read while skipping samples\n", encoder_session.inbasefilename); + return EncoderSession_finish_error(&encoder_session); + } + break; + case FORMAT_FLAC: + case FORMAT_OGGFLAC: + /* + * have to wait until the FLAC encoder is set up for writing + * before any seeking in the input FLAC file, because the seek + * itself will usually call the decoder's write callback, and + * our decoder's write callback passes samples to our FLAC + * encoder + */ + if(!FLAC__stream_decoder_seek_absolute(encoder_session.fmt.flac.decoder, skip)) { + flac__utils_printf(stderr, 1, "%s: ERROR while skipping samples, FLAC decoder state = %s\n", encoder_session.inbasefilename, FLAC__stream_decoder_get_resolved_state_string(encoder_session.fmt.flac.decoder)); + return EncoderSession_finish_error(&encoder_session); + } + break; + default: + FLAC__ASSERT(0); + /* double protection */ + return EncoderSession_finish_error(&encoder_session); + } + } + + /* + * now do samples from the file + */ + switch(options.format) { + case FORMAT_RAW: + if(infilesize < 0) { + size_t bytes_read; + while(!feof(infile)) { + if(lookahead_length > 0) { + FLAC__ASSERT(lookahead_length < CHUNK_OF_SAMPLES * encoder_session.info.bytes_per_wide_sample); + memcpy(ubuffer.u8, lookahead, lookahead_length); + bytes_read = fread(ubuffer.u8+lookahead_length, sizeof(uint8_t), CHUNK_OF_SAMPLES * encoder_session.info.bytes_per_wide_sample - lookahead_length, infile) + lookahead_length; + if(ferror(infile)) { + flac__utils_printf(stderr, 1, "%s: ERROR during read\n", encoder_session.inbasefilename); + return EncoderSession_finish_error(&encoder_session); + } + lookahead_length = 0; + } + else + bytes_read = fread(ubuffer.u8, sizeof(uint8_t), CHUNK_OF_SAMPLES * encoder_session.info.bytes_per_wide_sample, infile); + + if(bytes_read == 0) { + if(ferror(infile)) { + flac__utils_printf(stderr, 1, "%s: ERROR during read\n", encoder_session.inbasefilename); + return EncoderSession_finish_error(&encoder_session); + } + } + else if(bytes_read % encoder_session.info.bytes_per_wide_sample != 0) { + flac__utils_printf(stderr, 1, "%s: ERROR: got partial sample\n", encoder_session.inbasefilename); + return EncoderSession_finish_error(&encoder_session); + } + else { + uint32_t wide_samples = bytes_read / encoder_session.info.bytes_per_wide_sample; + if(!format_input(input_, wide_samples, encoder_session.info.is_big_endian, encoder_session.info.is_unsigned_samples, encoder_session.info.channels, encoder_session.info.bits_per_sample, encoder_session.info.shift, channel_map)) + return EncoderSession_finish_error(&encoder_session); + + if(!EncoderSession_process(&encoder_session, (const FLAC__int32 * const *)input_, wide_samples)) { + print_error_with_state(&encoder_session, "ERROR during encoding"); + return EncoderSession_finish_error(&encoder_session); + } + } + } + } + else { + size_t bytes_read; + const FLAC__uint64 max_input_bytes = infilesize; + FLAC__uint64 total_input_bytes_read = 0; + while(total_input_bytes_read < max_input_bytes) { + { + size_t wanted = (CHUNK_OF_SAMPLES * encoder_session.info.bytes_per_wide_sample); + wanted = (size_t) min((FLAC__uint64)wanted, max_input_bytes - total_input_bytes_read); + + if(lookahead_length > 0) { + if(lookahead_length <= wanted) { + memcpy(ubuffer.u8, lookahead, lookahead_length); + wanted -= lookahead_length; + bytes_read = lookahead_length; + } + else { + /* This happens when --until is used on a very short file */ + FLAC__ASSERT(lookahead_length < CHUNK_OF_SAMPLES * encoder_session.info.bytes_per_wide_sample); + memcpy(ubuffer.u8, lookahead, wanted); + wanted = 0; + bytes_read = wanted; + } + if(wanted > 0) { + bytes_read += fread(ubuffer.u8+lookahead_length, sizeof(uint8_t), wanted, infile); + if(ferror(infile)) { + flac__utils_printf(stderr, 1, "%s: ERROR during read\n", encoder_session.inbasefilename); + return EncoderSession_finish_error(&encoder_session); + } + } + lookahead_length = 0; + } + else + bytes_read = fread(ubuffer.u8, sizeof(uint8_t), wanted, infile); + } + + if(bytes_read == 0) { + if(ferror(infile)) { + flac__utils_printf(stderr, 1, "%s: ERROR during read\n", encoder_session.inbasefilename); + return EncoderSession_finish_error(&encoder_session); + } + else if(feof(infile)) { + flac__utils_printf(stderr, 1, "%s: WARNING: unexpected EOF; expected %" PRIu64 " samples, got %" PRIu64 " samples\n", encoder_session.inbasefilename, encoder_session.total_samples_to_encode, encoder_session.samples_written); + if(encoder_session.treat_warnings_as_errors) + return EncoderSession_finish_error(&encoder_session); + total_input_bytes_read = max_input_bytes; + } + } + else { + if(bytes_read % encoder_session.info.bytes_per_wide_sample != 0) { + flac__utils_printf(stderr, 1, "%s: ERROR: got partial sample\n", encoder_session.inbasefilename); + return EncoderSession_finish_error(&encoder_session); + } + else { + uint32_t wide_samples = bytes_read / encoder_session.info.bytes_per_wide_sample; + if(!format_input(input_, wide_samples, encoder_session.info.is_big_endian, encoder_session.info.is_unsigned_samples, encoder_session.info.channels, encoder_session.info.bits_per_sample, encoder_session.info.shift, channel_map)) + return EncoderSession_finish_error(&encoder_session); + + if(!EncoderSession_process(&encoder_session, (const FLAC__int32 * const *)input_, wide_samples)) { + print_error_with_state(&encoder_session, "ERROR during encoding"); + return EncoderSession_finish_error(&encoder_session); + } + total_input_bytes_read += bytes_read; + } + } + } + } + break; + case FORMAT_WAVE: + case FORMAT_WAVE64: + case FORMAT_RF64: + case FORMAT_AIFF: + case FORMAT_AIFF_C: + while(encoder_session.fmt.iff.data_bytes > 0) { + const size_t bytes_to_read = + (size_t) min (sizeof (ubuffer.u8), + min (encoder_session.fmt.iff.data_bytes, + CHUNK_OF_SAMPLES * (uint64_t) encoder_session.info.bytes_per_wide_sample)); + size_t bytes_read = fread(ubuffer.u8, sizeof(uint8_t), bytes_to_read, infile); + if(bytes_read == 0) { + if(ferror(infile)) { + flac__utils_printf(stderr, 1, "%s: ERROR during read\n", encoder_session.inbasefilename); + return EncoderSession_finish_error(&encoder_session); + } + else if(feof(infile)) { + if(options.ignore_chunk_sizes) { + flac__utils_printf(stderr, 1, "%s: INFO: hit EOF with --ignore-chunk-sizes, got %" PRIu64 " samples\n", encoder_session.inbasefilename, encoder_session.samples_written); + } + else { + flac__utils_printf(stderr, 1, "%s: WARNING: unexpected EOF; expected %" PRIu64 " samples, got %" PRIu64 " samples\n", encoder_session.inbasefilename, encoder_session.total_samples_to_encode, encoder_session.samples_written); + if(encoder_session.treat_warnings_as_errors) + return EncoderSession_finish_error(&encoder_session); + } + encoder_session.fmt.iff.data_bytes = 0; + } + } + else { + if(bytes_read % encoder_session.info.bytes_per_wide_sample != 0) { + flac__utils_printf(stderr, 1, "%s: ERROR: got partial sample\n", encoder_session.inbasefilename); + return EncoderSession_finish_error(&encoder_session); + } + else { + uint32_t wide_samples = bytes_read / encoder_session.info.bytes_per_wide_sample; + if(!format_input(input_, wide_samples, encoder_session.info.is_big_endian, encoder_session.info.is_unsigned_samples, encoder_session.info.channels, encoder_session.info.bits_per_sample, encoder_session.info.shift, channel_map)) + return EncoderSession_finish_error(&encoder_session); + + if(!EncoderSession_process(&encoder_session, (const FLAC__int32 * const *)input_, wide_samples)) { + print_error_with_state(&encoder_session, "ERROR during encoding"); + return EncoderSession_finish_error(&encoder_session); + } + encoder_session.fmt.iff.data_bytes -= bytes_read; + } + } + } + break; + case FORMAT_FLAC: + case FORMAT_OGGFLAC: + consecutive_eos_count = 0; + while(!encoder_session.fmt.flac.client_data.fatal_error && encoder_session.fmt.flac.client_data.samples_left_to_process > 0) { + FLAC__StreamDecoderState decoder_state; + /* We can also hit the end of stream without samples_left_to_process + * going to 0 if there are errors and continue_through_decode_errors + * is on, so we want to break in that case too: + */ + decoder_state = FLAC__stream_decoder_get_state(encoder_session.fmt.flac.decoder); + if(encoder_session.continue_through_decode_errors && decoder_state == FLAC__STREAM_DECODER_END_OF_STREAM) + break; + + consecutive_eos_count = decoder_state == FLAC__STREAM_DECODER_END_OF_STREAM ? consecutive_eos_count + 1 : 0; + + /* Exit loop if we get two or more consecutive FLAC__STREAM_DECODER_END_OF_STREAM events. */ + if(consecutive_eos_count >= 2) { + flac__utils_printf(stderr, 1, "%s: ERROR: %d consecutive FLAC__STREAM_DECODER_END_OF_STREAM events.\n", encoder_session.inbasefilename, consecutive_eos_count); + break; + } + + if(decoder_state == FLAC__STREAM_DECODER_ABORTED || !FLAC__stream_decoder_process_single(encoder_session.fmt.flac.decoder)) { + flac__utils_printf(stderr, 1, "%s: ERROR: while decoding FLAC input, state = %s\n", encoder_session.inbasefilename, FLAC__stream_decoder_get_resolved_state_string(encoder_session.fmt.flac.decoder)); + return EncoderSession_finish_error(&encoder_session); + } + } + if(encoder_session.fmt.flac.client_data.fatal_error) { + flac__utils_printf(stderr, 1, "%s: ERROR: while decoding FLAC input, state = %s\n", encoder_session.inbasefilename, FLAC__stream_decoder_get_resolved_state_string(encoder_session.fmt.flac.decoder)); + return EncoderSession_finish_error(&encoder_session); + } + break; + default: + FLAC__ASSERT(0); + /* double protection */ + return EncoderSession_finish_error(&encoder_session); + } + + } + + return EncoderSession_finish_ok( + &encoder_session, + EncoderSession_format_is_iff(&encoder_session)? options.format_options.iff.foreign_metadata : 0, + options.error_on_compression_fail + ); +} + +FLAC__bool EncoderSession_construct(EncoderSession *e, encode_options_t options, FLAC__off_t infilesize, FILE *infile, const char *infilename, const char *outfilename, const FLAC__byte *lookahead, uint32_t lookahead_length) +{ + uint32_t i; + FLAC__uint32 test = 1; + + /* + * initialize globals + */ + + is_big_endian_host_ = (*((FLAC__byte*)(&test)))? false : true; + + for(i = 0; i < FLAC__MAX_CHANNELS; i++) + input_[i] = &(in_[i][0]); + + + /* + * initialize instance + */ + +#if FLAC__HAS_OGG + e->use_ogg = options.use_ogg; +#endif + e->verify = options.verify; + e->treat_warnings_as_errors = options.treat_warnings_as_errors; + e->continue_through_decode_errors = options.continue_through_decode_errors; + + e->is_stdout = (0 == strcmp(outfilename, "-")); + e->outputfile_opened = false; + + e->inbasefilename = grabbag__file_get_basename(infilename); + e->infilename = infilename; + e->outfilename = outfilename; + + e->total_samples_to_encode = 0; + e->unencoded_size = 0; + e->bytes_written = 0; + e->samples_written = 0; +#if 0 /* in case time.h with clock() isn't available for some reason */ + e->stats_frames_interval = 0; + e->old_frames_written = 0; +#else + e->old_clock_t = 0; +#endif + e->compression_ratio = 0.0; + + memset(&e->info, 0, sizeof(e->info)); + + e->format = options.format; + + switch(options.format) { + case FORMAT_RAW: + break; + case FORMAT_WAVE: + case FORMAT_WAVE64: + case FORMAT_RF64: + case FORMAT_AIFF: + case FORMAT_AIFF_C: + e->fmt.iff.data_bytes = 0; + break; + case FORMAT_FLAC: + case FORMAT_OGGFLAC: + e->fmt.flac.decoder = 0; + e->fmt.flac.client_data.filesize = infilesize; + e->fmt.flac.client_data.lookahead = lookahead; + e->fmt.flac.client_data.lookahead_length = lookahead_length; + e->fmt.flac.client_data.num_metadata_blocks = 0; + e->fmt.flac.client_data.samples_left_to_process = 0; + e->fmt.flac.client_data.fatal_error = false; + break; + default: +#ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION + FLAC__ASSERT(0); +#endif + /* double protection */ + return false; + } + + e->encoder = 0; + + e->fin = infile; + e->seek_table_template = 0; + + if(0 == (e->seek_table_template = FLAC__metadata_object_new(FLAC__METADATA_TYPE_SEEKTABLE))) { + flac__utils_printf(stderr, 1, "%s: ERROR allocating memory for seek table\n", e->inbasefilename); + return false; + } + + e->encoder = FLAC__stream_encoder_new(); + if(0 == e->encoder) { + flac__utils_printf(stderr, 1, "%s: ERROR creating the encoder instance\n", e->inbasefilename); + EncoderSession_destroy(e); + return false; + } + + return true; +} + +void EncoderSession_destroy(EncoderSession *e) +{ + if(e->format == FORMAT_FLAC || e->format == FORMAT_OGGFLAC) { + size_t i; + if(e->fmt.flac.decoder) + FLAC__stream_decoder_delete(e->fmt.flac.decoder); + e->fmt.flac.decoder = 0; + for(i = 0; i < e->fmt.flac.client_data.num_metadata_blocks; i++) + FLAC__metadata_object_delete(e->fmt.flac.client_data.metadata_blocks[i]); + e->fmt.flac.client_data.num_metadata_blocks = 0; + } + + if(e->fin != stdin) + fclose(e->fin); + + if(0 != e->encoder) { + FLAC__stream_encoder_delete(e->encoder); + e->encoder = 0; + } + + if(0 != e->seek_table_template) { + FLAC__metadata_object_delete(e->seek_table_template); + e->seek_table_template = 0; + } +} + +int EncoderSession_finish_ok(EncoderSession *e, foreign_metadata_t *foreign_metadata, FLAC__bool error_on_compression_fail) +{ + FLAC__StreamEncoderState fse_state = FLAC__STREAM_ENCODER_OK; + int ret = 0; + FLAC__bool verify_error = false; + + if(e->encoder) { + fse_state = FLAC__stream_encoder_get_state(e->encoder); + ret = FLAC__stream_encoder_finish(e->encoder)? 0 : 1; + verify_error = + fse_state == FLAC__STREAM_ENCODER_VERIFY_MISMATCH_IN_AUDIO_DATA || + FLAC__stream_encoder_get_state(e->encoder) == FLAC__STREAM_ENCODER_VERIFY_MISMATCH_IN_AUDIO_DATA + ; + } + /* all errors except verify errors should interrupt the stats */ + if(ret && !verify_error) + print_error_with_state(e, "ERROR during encoding"); + else if(e->total_samples_to_encode > 0) { + print_stats(e); + flac__utils_printf(stderr, 2, "\n"); + } + + if(verify_error) { + print_verify_error(e); + ret = 1; + } + + /*@@@@@@ should this go here or somewhere else? */ + if(ret == 0 && foreign_metadata) { + const char *error; + if(!flac__foreign_metadata_write_to_flac(foreign_metadata, e->infilename, e->outfilename, &error)) { + flac__utils_printf(stderr, 1, "%s: ERROR: updating foreign metadata in FLAC file: %s\n", e->inbasefilename, error); + ret = 1; + } + } + + if (e->compression_ratio >= 1.0 && error_on_compression_fail) { + flac__utils_printf(stderr, 1, + "FAILURE: Compression failed (ratio %0.3f, should be < 1.0).\n" + "This happens for some files for one or more of the following reasons:\n" + " * Recompressing an existing FLAC from a higher to a lower compression setting.\n" + " * Insufficient input data (e.g. very short files, < 10000 frames).\n" + " * The audio data is not compressible (e.g. a full range white noise signal).\n" + , e->compression_ratio); + ret = 1; + } + +#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION + /* Always delete output file when fuzzing */ + flac_unlink(e->outfilename); +#endif + + EncoderSession_destroy(e); + + return ret; +} + +int EncoderSession_finish_error(EncoderSession *e) +{ + FLAC__ASSERT(e->encoder); + + if(e->total_samples_to_encode > 0) + flac__utils_printf(stderr, 2, "\n"); + + if(FLAC__stream_encoder_get_state(e->encoder) == FLAC__STREAM_ENCODER_VERIFY_MISMATCH_IN_AUDIO_DATA) { + print_verify_error(e); + EncoderSession_destroy(e); + } + else if(e->outputfile_opened) { + /* only want to delete the file if we opened it; otherwise it could be an existing file and our overwrite failed */ + /* Windows cannot unlink an open file, so close it first */ + EncoderSession_destroy(e); + flac_unlink(e->outfilename); + } + else + EncoderSession_destroy(e); + + return 1; +} + +typedef struct { + uint32_t num_metadata; + FLAC__bool *needs_delete; + FLAC__StreamMetadata **metadata; + FLAC__StreamMetadata *cuesheet; /* always needs to be deleted */ +} static_metadata_t; + +static void static_metadata_init(static_metadata_t *m) +{ + m->num_metadata = 0; + m->needs_delete = 0; + m->metadata = 0; + m->cuesheet = 0; +} + +static void static_metadata_clear(static_metadata_t *m) +{ + uint32_t i; + for(i = 0; i < m->num_metadata; i++) + if(m->needs_delete[i]) + FLAC__metadata_object_delete(m->metadata[i]); + if(m->metadata) + free(m->metadata); + if(m->needs_delete) + free(m->needs_delete); + if(m->cuesheet) + FLAC__metadata_object_delete(m->cuesheet); + static_metadata_init(m); +} + +static FLAC__bool static_metadata_append(static_metadata_t *m, FLAC__StreamMetadata *d, FLAC__bool needs_delete) +{ + void *x; + if(0 == (x = safe_realloc_nofree_muladd2_(m->metadata, sizeof(*m->metadata), /*times (*/m->num_metadata, /*+*/1/*)*/))) + return false; + m->metadata = (FLAC__StreamMetadata**)x; + if(0 == (x = safe_realloc_nofree_muladd2_(m->needs_delete, sizeof(*m->needs_delete), /*times (*/m->num_metadata, /*+*/1/*)*/))) + return false; + m->needs_delete = (FLAC__bool*)x; + m->metadata[m->num_metadata] = d; + m->needs_delete[m->num_metadata] = needs_delete; + m->num_metadata++; + return true; +} + +FLAC__bool EncoderSession_init_encoder(EncoderSession *e, encode_options_t options) +{ + const uint32_t channels = e->info.channels; + const uint32_t bps = e->info.bits_per_sample - e->info.shift; + const uint32_t sample_rate = e->info.sample_rate; + FLACDecoderData *flac_decoder_data = (e->format == FORMAT_FLAC || e->format == FORMAT_OGGFLAC)? &e->fmt.flac.client_data : 0; + FLAC__StreamMetadata padding; + FLAC__StreamMetadata **metadata = 0; + static_metadata_t static_metadata; + uint32_t num_metadata = 0, ic; + FLAC__StreamEncoderInitStatus init_status; + const FLAC__bool is_cdda = (channels == 1 || channels == 2) && (bps == 16) && (sample_rate == 44100); + char apodizations[2000]; + + FLAC__ASSERT(sizeof(options.pictures)/sizeof(options.pictures[0]) <= 64); + + static_metadata_init(&static_metadata); + + e->replay_gain = options.replay_gain; + + apodizations[0] = '\0'; + + if(e->replay_gain) { + if(channels != 1 && channels != 2) { + flac__utils_printf(stderr, 1, "%s: ERROR, number of channels (%u) must be 1 or 2 for --replay-gain\n", e->inbasefilename, channels); + return false; + } + if(!grabbag__replaygain_is_valid_sample_frequency(sample_rate)) { + flac__utils_printf(stderr, 1, "%s: ERROR, invalid sample rate (%u) for --replay-gain\n", e->inbasefilename, sample_rate); + return false; + } + if(options.is_first_file) { + if(!grabbag__replaygain_init(sample_rate)) { + flac__utils_printf(stderr, 1, "%s: ERROR initializing ReplayGain stage\n", e->inbasefilename); + return false; + } + } + } + + if(!parse_cuesheet(&static_metadata.cuesheet, options.cuesheet_filename, e->inbasefilename, sample_rate, is_cdda, e->total_samples_to_encode, e->treat_warnings_as_errors)) + return false; + + if(!convert_to_seek_table_template(options.requested_seek_points, options.num_requested_seek_points, options.cued_seekpoints? static_metadata.cuesheet : 0, e)) { + flac__utils_printf(stderr, 1, "%s: ERROR allocating memory for seek table\n", e->inbasefilename); + static_metadata_clear(&static_metadata); + return false; + } + + /* build metadata */ + if(flac_decoder_data) { + /* + * we're encoding from FLAC so we will use the FLAC file's + * metadata as the basis for the encoded file + */ + { + uint32_t i; + /* + * first handle pictures: simple append any --pictures + * specified. + */ + for(i = 0; i < options.num_pictures; i++) { + FLAC__StreamMetadata *pic = FLAC__metadata_object_clone(options.pictures[i]); + if(0 == pic) { + flac__utils_printf(stderr, 1, "%s: ERROR allocating memory for PICTURE block\n", e->inbasefilename); + static_metadata_clear(&static_metadata); + return false; + } + flac_decoder_data->metadata_blocks[flac_decoder_data->num_metadata_blocks++] = pic; + } + } + { + /* + * next handle vorbis comment: if any tags were specified + * or there is no existing vorbis comment, we create a + * new vorbis comment (discarding any existing one); else + * we keep the existing one. also need to make sure to + * propagate any channel mask tag. + */ + /* @@@ change to append -T values from options.vorbis_comment if input has VC already? */ + size_t i, j; + FLAC__bool vc_found = false; + for(i = 0, j = 0; i < flac_decoder_data->num_metadata_blocks; i++) { + if(flac_decoder_data->metadata_blocks[i]->type == FLAC__METADATA_TYPE_VORBIS_COMMENT) + vc_found = true; + if(flac_decoder_data->metadata_blocks[i]->type == FLAC__METADATA_TYPE_VORBIS_COMMENT && options.vorbis_comment->data.vorbis_comment.num_comments > 0) { + (void) flac__utils_get_channel_mask_tag(flac_decoder_data->metadata_blocks[i], &e->info.channel_mask); + flac__utils_printf(stderr, 1, "%s: WARNING, replacing tags from input FLAC file with those given on the command-line\n", e->inbasefilename); + if(e->treat_warnings_as_errors) { + static_metadata_clear(&static_metadata); + return false; + } + FLAC__metadata_object_delete(flac_decoder_data->metadata_blocks[i]); + flac_decoder_data->metadata_blocks[i] = 0; + } + else + flac_decoder_data->metadata_blocks[j++] = flac_decoder_data->metadata_blocks[i]; + } + flac_decoder_data->num_metadata_blocks = j; + if((!vc_found || options.vorbis_comment->data.vorbis_comment.num_comments > 0) && flac_decoder_data->num_metadata_blocks < sizeof(flac_decoder_data->metadata_blocks)/sizeof(flac_decoder_data->metadata_blocks[0])) { + /* prepend ours */ + FLAC__StreamMetadata *vc = FLAC__metadata_object_clone(options.vorbis_comment); + if(0 == vc || (e->info.channel_mask && !flac__utils_set_channel_mask_tag(vc, e->info.channel_mask))) { + flac__utils_printf(stderr, 1, "%s: ERROR allocating memory for VORBIS_COMMENT block\n", e->inbasefilename); + static_metadata_clear(&static_metadata); + return false; + } + for(i = flac_decoder_data->num_metadata_blocks; i > 1; i--) + flac_decoder_data->metadata_blocks[i] = flac_decoder_data->metadata_blocks[i-1]; + flac_decoder_data->metadata_blocks[1] = vc; + flac_decoder_data->num_metadata_blocks++; + } + } + { + /* + * next handle cuesheet: if --cuesheet was specified, use + * it; else if file has existing CUESHEET and cuesheet's + * lead-out offset is correct, keep it; else no CUESHEET + */ + size_t i, j; + for(i = 0, j = 0; i < flac_decoder_data->num_metadata_blocks; i++) { + FLAC__bool existing_cuesheet_is_bad = false; + /* check if existing cuesheet matches the input audio */ + if(flac_decoder_data->metadata_blocks[i]->type == FLAC__METADATA_TYPE_CUESHEET && 0 == static_metadata.cuesheet) { + const FLAC__StreamMetadata_CueSheet *cs = &flac_decoder_data->metadata_blocks[i]->data.cue_sheet; + if(e->total_samples_to_encode == 0) { + flac__utils_printf(stderr, 1, "%s: WARNING, cuesheet in input FLAC file cannot be kept if input size is not known, dropping it...\n", e->inbasefilename); + if(e->treat_warnings_as_errors) { + static_metadata_clear(&static_metadata); + return false; + } + existing_cuesheet_is_bad = true; + } + else if(cs->num_tracks > 0 && e->total_samples_to_encode != cs->tracks[cs->num_tracks-1].offset) { + flac__utils_printf(stderr, 1, "%s: WARNING, lead-out offset of cuesheet in input FLAC file does not match input length, dropping existing cuesheet...\n", e->inbasefilename); + if(e->treat_warnings_as_errors) { + static_metadata_clear(&static_metadata); + return false; + } + existing_cuesheet_is_bad = true; + } + } + if(flac_decoder_data->metadata_blocks[i]->type == FLAC__METADATA_TYPE_CUESHEET && (existing_cuesheet_is_bad || 0 != static_metadata.cuesheet)) { + if(0 != static_metadata.cuesheet) { + flac__utils_printf(stderr, 1, "%s: WARNING, replacing cuesheet in input FLAC file with the one given on the command-line\n", e->inbasefilename); + if(e->treat_warnings_as_errors) { + static_metadata_clear(&static_metadata); + return false; + } + } + FLAC__metadata_object_delete(flac_decoder_data->metadata_blocks[i]); + flac_decoder_data->metadata_blocks[i] = 0; + } + else + flac_decoder_data->metadata_blocks[j++] = flac_decoder_data->metadata_blocks[i]; + } + flac_decoder_data->num_metadata_blocks = j; + if(0 != static_metadata.cuesheet && flac_decoder_data->num_metadata_blocks < sizeof(flac_decoder_data->metadata_blocks)/sizeof(flac_decoder_data->metadata_blocks[0])) { + /* prepend ours */ + FLAC__StreamMetadata *cs = FLAC__metadata_object_clone(static_metadata.cuesheet); + if(0 == cs) { + flac__utils_printf(stderr, 1, "%s: ERROR allocating memory for CUESHEET block\n", e->inbasefilename); + static_metadata_clear(&static_metadata); + return false; + } + for(i = flac_decoder_data->num_metadata_blocks; i > 1; i--) + flac_decoder_data->metadata_blocks[i] = flac_decoder_data->metadata_blocks[i-1]; + flac_decoder_data->metadata_blocks[1] = cs; + flac_decoder_data->num_metadata_blocks++; + } + } + { + /* + * next handle seektable: if -S- was specified, no + * SEEKTABLE; else if -S was specified, use it/them; + * else if file has existing SEEKTABLE and input size is + * preserved (no --skip/--until/etc specified), keep it; + * else use default seektable options + * + * note: meanings of num_requested_seek_points: + * -1 : no -S option given, default to some value + * 0 : -S- given (no seektable) + * >0 : one or more -S options given + */ + size_t i, j; + FLAC__bool existing_seektable = false; + for(i = 0, j = 0; i < flac_decoder_data->num_metadata_blocks; i++) { + if(flac_decoder_data->metadata_blocks[i]->type == FLAC__METADATA_TYPE_SEEKTABLE) + existing_seektable = true; + if(flac_decoder_data->metadata_blocks[i]->type == FLAC__METADATA_TYPE_SEEKTABLE && (e->total_samples_to_encode != flac_decoder_data->metadata_blocks[0]->data.stream_info.total_samples || options.num_requested_seek_points >= 0)) { + if(options.num_requested_seek_points > 0) { + flac__utils_printf(stderr, 1, "%s: WARNING, replacing seektable in input FLAC file with the one given on the command-line\n", e->inbasefilename); + if(e->treat_warnings_as_errors) { + static_metadata_clear(&static_metadata); + return false; + } + } + else if(options.num_requested_seek_points == 0) + ; /* no warning, silently delete existing SEEKTABLE since user specified --no-seektable (-S-) */ + else { + flac__utils_printf(stderr, 1, "%s: WARNING, can't use existing seektable in input FLAC since the input size is changing or unknown, dropping existing SEEKTABLE block...\n", e->inbasefilename); + if(e->treat_warnings_as_errors) { + static_metadata_clear(&static_metadata); + return false; + } + } + FLAC__metadata_object_delete(flac_decoder_data->metadata_blocks[i]); + flac_decoder_data->metadata_blocks[i] = 0; + existing_seektable = false; + } + else + flac_decoder_data->metadata_blocks[j++] = flac_decoder_data->metadata_blocks[i]; + } + flac_decoder_data->num_metadata_blocks = j; + if((options.num_requested_seek_points > 0 || (options.num_requested_seek_points < 0 && !existing_seektable)) && flac_decoder_data->num_metadata_blocks < sizeof(flac_decoder_data->metadata_blocks)/sizeof(flac_decoder_data->metadata_blocks[0])) { + /* prepend ours */ + FLAC__StreamMetadata *st = FLAC__metadata_object_clone(e->seek_table_template); + if(0 == st) { + flac__utils_printf(stderr, 1, "%s: ERROR allocating memory for SEEKTABLE block\n", e->inbasefilename); + static_metadata_clear(&static_metadata); + return false; + } + for(i = flac_decoder_data->num_metadata_blocks; i > 1; i--) + flac_decoder_data->metadata_blocks[i] = flac_decoder_data->metadata_blocks[i-1]; + flac_decoder_data->metadata_blocks[1] = st; + flac_decoder_data->num_metadata_blocks++; + } + } + { + /* + * finally handle padding: if --no-padding was specified, + * then delete all padding; else if -P was specified, + * use that instead of existing padding (if any); else + * if existing file has padding, move all existing + * padding blocks to one padding block at the end; else + * use default padding. + */ + int p = -1; + size_t i, j; + for(i = 0, j = 0; i < flac_decoder_data->num_metadata_blocks; i++) { + if(flac_decoder_data->metadata_blocks[i]->type == FLAC__METADATA_TYPE_PADDING) { + if(p < 0) + p = 0; + p += flac_decoder_data->metadata_blocks[i]->length; + FLAC__metadata_object_delete(flac_decoder_data->metadata_blocks[i]); + flac_decoder_data->metadata_blocks[i] = 0; + } + else + flac_decoder_data->metadata_blocks[j++] = flac_decoder_data->metadata_blocks[i]; + } + flac_decoder_data->num_metadata_blocks = j; + if(options.padding > 0) + p = options.padding; + if(p < 0) { + if(sample_rate == 0) + p = FLAC_ENCODE__DEFAULT_PADDING; + else + p = e->total_samples_to_encode / sample_rate < 20*60? FLAC_ENCODE__DEFAULT_PADDING : FLAC_ENCODE__DEFAULT_PADDING*8; + } + if(p > 0) + p += (e->replay_gain ? GRABBAG__REPLAYGAIN_MAX_TAG_SPACE_REQUIRED : 0); + p = min(p, (int)((1u << FLAC__STREAM_METADATA_LENGTH_LEN) - 1)); + if(options.padding != 0) { + if(p > 0 && flac_decoder_data->num_metadata_blocks < sizeof(flac_decoder_data->metadata_blocks)/sizeof(flac_decoder_data->metadata_blocks[0])) { + flac_decoder_data->metadata_blocks[flac_decoder_data->num_metadata_blocks] = FLAC__metadata_object_new(FLAC__METADATA_TYPE_PADDING); + if(0 == flac_decoder_data->metadata_blocks[flac_decoder_data->num_metadata_blocks]) { + flac__utils_printf(stderr, 1, "%s: ERROR allocating memory for PADDING block\n", e->inbasefilename); + static_metadata_clear(&static_metadata); + return false; + } + flac_decoder_data->metadata_blocks[flac_decoder_data->num_metadata_blocks]->is_last = false; /* the encoder will set this for us */ + flac_decoder_data->metadata_blocks[flac_decoder_data->num_metadata_blocks]->length = p; + flac_decoder_data->num_metadata_blocks++; + } + } + } + metadata = &flac_decoder_data->metadata_blocks[1]; /* don't include STREAMINFO */ + num_metadata = flac_decoder_data->num_metadata_blocks - 1; + } + else { + /* + * we're not encoding from FLAC so we will build the metadata + * from scratch + */ + const foreign_metadata_t *foreign_metadata = EncoderSession_format_is_iff(e)? options.format_options.iff.foreign_metadata : 0; + uint32_t i; + + if(e->seek_table_template->data.seek_table.num_points > 0) { + e->seek_table_template->is_last = false; /* the encoder will set this for us */ + static_metadata_append(&static_metadata, e->seek_table_template, /*needs_delete=*/false); + } + if(0 != static_metadata.cuesheet) + static_metadata_append(&static_metadata, static_metadata.cuesheet, /*needs_delete=*/false); + if(e->info.channel_mask) { + options.vorbis_comment_with_channel_mask_tag = FLAC__metadata_object_clone(options.vorbis_comment); + if(!flac__utils_set_channel_mask_tag(options.vorbis_comment_with_channel_mask_tag, e->info.channel_mask)) { + flac__utils_printf(stderr, 1, "%s: ERROR adding channel mask tag\n", e->inbasefilename); + static_metadata_clear(&static_metadata); + return false; + } + static_metadata_append(&static_metadata, options.vorbis_comment_with_channel_mask_tag, /*needs_delete=*/true); + } + else + static_metadata_append(&static_metadata, options.vorbis_comment, /*needs_delete=*/false); + for(i = 0; i < options.num_pictures; i++) + static_metadata_append(&static_metadata, options.pictures[i], /*needs_delete=*/false); + if(foreign_metadata) { + for(i = 0; i < foreign_metadata->num_blocks; i++) { + FLAC__StreamMetadata *p = FLAC__metadata_object_new(FLAC__METADATA_TYPE_PADDING); + if(!p) { + flac__utils_printf(stderr, 1, "%s: ERROR: out of memory\n", e->inbasefilename); + static_metadata_clear(&static_metadata); + return false; + } + static_metadata_append(&static_metadata, p, /*needs_delete=*/true); + static_metadata.metadata[static_metadata.num_metadata-1]->length = FLAC__STREAM_METADATA_APPLICATION_ID_LEN/8 + foreign_metadata->blocks[i].size; + } + } + if(options.padding != 0) { + padding.is_last = false; /* the encoder will set this for us */ + padding.type = FLAC__METADATA_TYPE_PADDING; + if(sample_rate == 0) + padding.length = (uint32_t)(options.padding>0? options.padding : FLAC_ENCODE__DEFAULT_PADDING) + (e->replay_gain ? GRABBAG__REPLAYGAIN_MAX_TAG_SPACE_REQUIRED : 0); + else + padding.length = (uint32_t)(options.padding>0? options.padding : (e->total_samples_to_encode / sample_rate < 20*60? FLAC_ENCODE__DEFAULT_PADDING : FLAC_ENCODE__DEFAULT_PADDING*8)) + (e->replay_gain ? GRABBAG__REPLAYGAIN_MAX_TAG_SPACE_REQUIRED : 0); + padding.length = min(padding.length, (1u << FLAC__STREAM_METADATA_LENGTH_LEN) - 1); + static_metadata_append(&static_metadata, &padding, /*needs_delete=*/false); + } + metadata = static_metadata.metadata; + num_metadata = static_metadata.num_metadata; + } + + /* check for a few things that have not already been checked. the + * FLAC__stream_encoder_init*() will check it but only return + * FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_METADATA so we check some + * up front to give a better error message. + */ + if(!verify_metadata(e, metadata, num_metadata)) { + static_metadata_clear(&static_metadata); + return false; + } + + FLAC__stream_encoder_set_verify(e->encoder, options.verify); + FLAC__stream_encoder_set_streamable_subset(e->encoder, !options.lax); + FLAC__stream_encoder_set_channels(e->encoder, channels); + FLAC__stream_encoder_set_bits_per_sample(e->encoder, bps); + FLAC__stream_encoder_set_sample_rate(e->encoder, sample_rate); + for(ic = 0; ic < options.num_compression_settings; ic++) { + switch(options.compression_settings[ic].type) { + case CST_BLOCKSIZE: + FLAC__stream_encoder_set_blocksize(e->encoder, options.compression_settings[ic].value.t_unsigned); + break; + case CST_COMPRESSION_LEVEL: + FLAC__stream_encoder_set_compression_level(e->encoder, options.compression_settings[ic].value.t_unsigned); + apodizations[0] = '\0'; + break; + case CST_DO_MID_SIDE: + FLAC__stream_encoder_set_do_mid_side_stereo(e->encoder, options.compression_settings[ic].value.t_bool); + break; + case CST_LOOSE_MID_SIDE: + FLAC__stream_encoder_set_loose_mid_side_stereo(e->encoder, options.compression_settings[ic].value.t_bool); + break; + case CST_APODIZATION: + if(strlen(apodizations)+strlen(options.compression_settings[ic].value.t_string)+2 >= sizeof(apodizations)) { + flac__utils_printf(stderr, 1, "%s: ERROR: too many apodization functions requested\n", e->inbasefilename); + static_metadata_clear(&static_metadata); + return false; + } + else { + safe_strncat(apodizations, options.compression_settings[ic].value.t_string, sizeof(apodizations)); + safe_strncat(apodizations, ";", sizeof(apodizations)); + } + break; + case CST_MAX_LPC_ORDER: +#ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION + FLAC__stream_encoder_set_max_lpc_order(e->encoder, options.compression_settings[ic].value.t_unsigned); +#endif + break; + case CST_QLP_COEFF_PRECISION: + FLAC__stream_encoder_set_qlp_coeff_precision(e->encoder, options.compression_settings[ic].value.t_unsigned); + break; + case CST_DO_QLP_COEFF_PREC_SEARCH: +#ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION + FLAC__stream_encoder_set_do_qlp_coeff_prec_search(e->encoder, options.compression_settings[ic].value.t_bool); +#endif + break; + case CST_DO_ESCAPE_CODING: + FLAC__stream_encoder_set_do_escape_coding(e->encoder, options.compression_settings[ic].value.t_bool); + break; + case CST_DO_EXHAUSTIVE_MODEL_SEARCH: +#ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION + FLAC__stream_encoder_set_do_exhaustive_model_search(e->encoder, options.compression_settings[ic].value.t_bool); +#endif + break; + case CST_MIN_RESIDUAL_PARTITION_ORDER: + FLAC__stream_encoder_set_min_residual_partition_order(e->encoder, options.compression_settings[ic].value.t_unsigned); + break; + case CST_MAX_RESIDUAL_PARTITION_ORDER: + FLAC__stream_encoder_set_max_residual_partition_order(e->encoder, options.compression_settings[ic].value.t_unsigned); + break; + case CST_RICE_PARAMETER_SEARCH_DIST: + FLAC__stream_encoder_set_rice_parameter_search_dist(e->encoder, options.compression_settings[ic].value.t_unsigned); + break; + } + } +#ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION + if(*apodizations) + FLAC__stream_encoder_set_apodization(e->encoder, apodizations); +#endif + FLAC__stream_encoder_set_total_samples_estimate(e->encoder, e->total_samples_to_encode); + FLAC__stream_encoder_set_metadata(e->encoder, (num_metadata > 0)? metadata : 0, num_metadata); + FLAC__stream_encoder_set_limit_min_bitrate(e->encoder, options.limit_min_bitrate); + + FLAC__stream_encoder_disable_constant_subframes(e->encoder, options.debug.disable_constant_subframes); + FLAC__stream_encoder_disable_fixed_subframes(e->encoder, options.debug.disable_fixed_subframes); + FLAC__stream_encoder_disable_verbatim_subframes(e->encoder, options.debug.disable_verbatim_subframes); + if(!options.debug.do_md5) { + flac__utils_printf(stderr, 1, "%s: WARNING, MD5 computation disabled, resulting file will not have MD5 sum\n", e->inbasefilename); + if(e->treat_warnings_as_errors) { + static_metadata_clear(&static_metadata); + return false; + } + FLAC__stream_encoder_set_do_md5(e->encoder, false); + } + else if(e->is_stdout) { + flac__utils_printf(stderr, 1, "%s: WARNING, cannot write back MD5 sum when encoding to stdout\n", e->inbasefilename); + if(e->treat_warnings_as_errors) { + static_metadata_clear(&static_metadata); + return false; + } + } + +#if FLAC__HAS_OGG + if(e->use_ogg) { + FLAC__stream_encoder_set_ogg_serial_number(e->encoder, options.serial_number); + + init_status = FLAC__stream_encoder_init_ogg_file(e->encoder, e->is_stdout? 0 : e->outfilename, encoder_progress_callback, /*client_data=*/e); + } + else +#endif + { + init_status = FLAC__stream_encoder_init_file(e->encoder, e->is_stdout? 0 : e->outfilename, encoder_progress_callback, /*client_data=*/e); + } + + if(init_status != FLAC__STREAM_ENCODER_INIT_STATUS_OK) { + print_error_with_init_status(e, "ERROR initializing encoder", init_status); + if(FLAC__stream_encoder_get_state(e->encoder) != FLAC__STREAM_ENCODER_IO_ERROR) + e->outputfile_opened = true; + static_metadata_clear(&static_metadata); + return false; + } + else + e->outputfile_opened = true; + +#if 0 /* in case time.h with clock() isn't available for some reason */ + e->stats_frames_interval = + (FLAC__stream_encoder_get_do_exhaustive_model_search(e->encoder) && FLAC__stream_encoder_get_do_qlp_coeff_prec_search(e->encoder))? 0x1f : + (FLAC__stream_encoder_get_do_exhaustive_model_search(e->encoder) || FLAC__stream_encoder_get_do_qlp_coeff_prec_search(e->encoder))? 0x3f : + 0xff; +#endif + + static_metadata_clear(&static_metadata); + + return true; +} + +FLAC__bool EncoderSession_process(EncoderSession *e, const FLAC__int32 * const buffer[], uint32_t samples) +{ + if(e->replay_gain) { + if(!grabbag__replaygain_analyze(buffer, e->info.channels==2, e->info.bits_per_sample, samples)) { + flac__utils_printf(stderr, 1, "%s: WARNING, error while calculating ReplayGain\n", e->inbasefilename); + if(e->treat_warnings_as_errors) + return false; + } + } + + return FLAC__stream_encoder_process(e->encoder, buffer, samples); +} + +FLAC__bool EncoderSession_format_is_iff(const EncoderSession *e) +{ + return + e->format == FORMAT_WAVE || + e->format == FORMAT_WAVE64 || + e->format == FORMAT_RF64 || + e->format == FORMAT_AIFF || + e->format == FORMAT_AIFF_C; +} + +FLAC__bool convert_to_seek_table_template(const char *requested_seek_points, int num_requested_seek_points, FLAC__StreamMetadata *cuesheet, EncoderSession *e) +{ + const FLAC__bool only_placeholders = e->is_stdout; + FLAC__bool has_real_points; + + if(num_requested_seek_points == 0 && 0 == cuesheet) + return true; + +#if FLAC__HAS_OGG + if(e->use_ogg) + return true; +#endif + + if(num_requested_seek_points < 0) { + requested_seek_points = "10s;"; + num_requested_seek_points = 1; + } + + if(num_requested_seek_points > 0) { + if(!grabbag__seektable_convert_specification_to_template(requested_seek_points, only_placeholders, e->total_samples_to_encode, e->info.sample_rate, e->seek_table_template, &has_real_points)) + return false; + } + + if(0 != cuesheet) { + uint32_t i, j; + const FLAC__StreamMetadata_CueSheet *cs = &cuesheet->data.cue_sheet; + for(i = 0; i < cs->num_tracks; i++) { + const FLAC__StreamMetadata_CueSheet_Track *tr = cs->tracks+i; + for(j = 0; j < tr->num_indices; j++) { + if(!FLAC__metadata_object_seektable_template_append_point(e->seek_table_template, tr->offset + tr->indices[j].offset)) + return false; + has_real_points = true; + } + } + if(has_real_points) + if(!FLAC__metadata_object_seektable_template_sort(e->seek_table_template, /*compact=*/true)) + return false; + } + + if(has_real_points) { + if(e->is_stdout) { + flac__utils_printf(stderr, 1, "%s: WARNING, cannot write back seekpoints when encoding to stdout\n", e->inbasefilename); + if(e->treat_warnings_as_errors) + return false; + } + } + + return true; +} + +FLAC__bool canonicalize_until_specification(utils__SkipUntilSpecification *spec, const char *inbasefilename, uint32_t sample_rate, FLAC__uint64 skip, FLAC__uint64 total_samples_in_input) +{ + /* convert from mm:ss.sss to sample number if necessary */ + if(!flac__utils_canonicalize_skip_until_specification(spec, sample_rate)) { + flac__utils_printf(stderr, 1, "%s: ERROR, value of --until is too large\n", inbasefilename); + return false; + } + + /* special case: if "--until=-0", use the special value '0' to mean "end-of-stream" */ + if(spec->is_relative && spec->value.samples == 0) { + spec->is_relative = false; + return true; + } + + /* in any other case the total samples in the input must be known */ + if(total_samples_in_input == 0) { + flac__utils_printf(stderr, 1, "%s: ERROR, cannot use --until when input length is unknown\n", inbasefilename); + return false; + } + + FLAC__ASSERT(spec->value_is_samples); + + /* convert relative specifications to absolute */ + if(spec->is_relative) { + if(spec->value.samples <= 0) + spec->value.samples += (FLAC__int64)total_samples_in_input; + else + spec->value.samples += skip; + spec->is_relative = false; + } + + /* error check */ + if(spec->value.samples < 0) { + flac__utils_printf(stderr, 1, "%s: ERROR, --until value is before beginning of input\n", inbasefilename); + return false; + } + if((FLAC__uint64)spec->value.samples <= skip) { + flac__utils_printf(stderr, 1, "%s: ERROR, --until value is before --skip point\n", inbasefilename); + return false; + } + if((FLAC__uint64)spec->value.samples > total_samples_in_input) { + flac__utils_printf(stderr, 1, "%s: ERROR, --until value is after end of input\n", inbasefilename); + return false; + } + + return true; +} + +FLAC__bool verify_metadata(const EncoderSession *e, FLAC__StreamMetadata **metadata, uint32_t num_metadata) +{ + FLAC__bool metadata_picture_has_type1 = false; + FLAC__bool metadata_picture_has_type2 = false; + uint32_t i; + + FLAC__ASSERT(0 != metadata); + for(i = 0; i < num_metadata; i++) { + const FLAC__StreamMetadata *m = metadata[i]; + if(m->type == FLAC__METADATA_TYPE_SEEKTABLE) { + if(!FLAC__format_seektable_is_legal(&m->data.seek_table)) { + flac__utils_printf(stderr, 1, "%s: ERROR: SEEKTABLE metadata block is invalid\n", e->inbasefilename); + return false; + } + } + else if(m->type == FLAC__METADATA_TYPE_CUESHEET) { + if(!FLAC__format_cuesheet_is_legal(&m->data.cue_sheet, m->data.cue_sheet.is_cd, /*violation=*/0)) { + flac__utils_printf(stderr, 1, "%s: ERROR: CUESHEET metadata block is invalid\n", e->inbasefilename); + return false; + } + } + else if(m->type == FLAC__METADATA_TYPE_PICTURE) { + const char *error = 0; + if(!FLAC__format_picture_is_legal(&m->data.picture, &error)) { + flac__utils_printf(stderr, 1, "%s: ERROR: PICTURE metadata block is invalid: %s\n", e->inbasefilename, error); + return false; + } + if(m->data.picture.type == FLAC__STREAM_METADATA_PICTURE_TYPE_FILE_ICON_STANDARD) { + if(metadata_picture_has_type1) { + flac__utils_printf(stderr, 1, "%s: ERROR: there may only be one picture of type 1 (32x32 icon) in the file\n", e->inbasefilename); + return false; + } + metadata_picture_has_type1 = true; + } + else if(m->data.picture.type == FLAC__STREAM_METADATA_PICTURE_TYPE_FILE_ICON) { + if(metadata_picture_has_type2) { + flac__utils_printf(stderr, 1, "%s: ERROR: there may only be one picture of type 2 (icon) in the file\n", e->inbasefilename); + return false; + } + metadata_picture_has_type2 = true; + } + } + } + + return true; +} + +FLAC__bool format_input(FLAC__int32 *dest[], uint32_t wide_samples, FLAC__bool is_big_endian, FLAC__bool is_unsigned_samples, uint32_t channels, uint32_t bps, uint32_t shift, size_t *channel_map) +{ + uint32_t wide_sample, sample, channel; + FLAC__int32 *out[FLAC__MAX_CHANNELS]; + + if(0 == channel_map) { + for(channel = 0; channel < channels; channel++) + out[channel] = dest[channel]; + } + else { + for(channel = 0; channel < channels; channel++) + out[channel] = dest[channel_map[channel]]; + } + + if(bps == 8) { + if(is_unsigned_samples) { + for(channel = 0; channel < channels; channel++) + for(sample = channel, wide_sample = 0; wide_sample < wide_samples; wide_sample++, sample+=channels) + out[channel][wide_sample] = (FLAC__int32)ubuffer.u8[sample] - 0x80; + } + else { + for(channel = 0; channel < channels; channel++) + for(sample = channel, wide_sample = 0; wide_sample < wide_samples; wide_sample++, sample+=channels) + out[channel][wide_sample] = (FLAC__int32)ubuffer.s8[sample]; + } + } + else if(bps == 16) { + if(is_unsigned_samples) { + if(is_big_endian != is_big_endian_host_) { + for(channel = 0; channel < channels; channel++) + for(sample = channel, wide_sample = 0; wide_sample < wide_samples; wide_sample++, sample+=channels) + out[channel][wide_sample] = (FLAC__int32)(ENDSWAP_16(ubuffer.u16[sample])) - 0x8000; + } + else { + for(channel = 0; channel < channels; channel++) + for(sample = channel, wide_sample = 0; wide_sample < wide_samples; wide_sample++, sample+=channels) + out[channel][wide_sample] = (FLAC__int32)ubuffer.u16[sample] - 0x8000; + } + } + else { + if(is_big_endian != is_big_endian_host_) { + for(channel = 0; channel < channels; channel++) + for(sample = channel, wide_sample = 0; wide_sample < wide_samples; wide_sample++, sample+=channels) + out[channel][wide_sample] = (int16_t)(ENDSWAP_16(ubuffer.s16[sample])); + + } + else { + for(channel = 0; channel < channels; channel++) + for(sample = channel, wide_sample = 0; wide_sample < wide_samples; wide_sample++, sample+=channels) + out[channel][wide_sample] = ubuffer.s16[sample]; + } + } + } + else if(bps == 24) { + if(!is_big_endian) { + if(is_unsigned_samples) { + for(channel = 0; channel < channels; channel++) { + uint32_t b = 3*channel; + for(wide_sample = 0; wide_sample < wide_samples; wide_sample++) { + uint32_t t; + t = ubuffer.u8[b]; + t |= (uint32_t)(ubuffer.u8[b+1]) << 8; + t |= (uint32_t)(ubuffer.u8[b+2]) << 16; + out[channel][wide_sample] = (FLAC__int32)t - 0x800000; + b += 3*channels; + } + } + } + else { + for(channel = 0; channel < channels; channel++) { + uint32_t b = 3*channel; + for(wide_sample = 0; wide_sample < wide_samples; wide_sample++) { + uint32_t t; + t = ubuffer.u8[b]; + t |= (uint32_t)(ubuffer.u8[b+1]) << 8; + t |= (uint32_t)((int32_t)(ubuffer.s8[b+2])) << 16; + out[channel][wide_sample] = t; + b += 3*channels; + } + } + } + } + else { + if(is_unsigned_samples) { + for(channel = 0; channel < channels; channel++) { + uint32_t b = 3*channel; + for(wide_sample = 0; wide_sample < wide_samples; wide_sample++) { + uint32_t t; + t = ubuffer.u8[b]; t <<= 8; + t |= ubuffer.u8[b+1]; t <<= 8; + t |= ubuffer.u8[b+2]; + out[channel][wide_sample] = (FLAC__int32)t - 0x800000; + b += 3*channels; + } + } + } + else { + for(channel = 0; channel < channels; channel++) { + uint32_t b = 3*channel; + for(wide_sample = 0; wide_sample < wide_samples; wide_sample++) { + uint32_t t; + t = ubuffer.s8[b]; t <<= 8; + t |= ubuffer.u8[b+1]; t <<= 8; + t |= ubuffer.u8[b+2]; + out[channel][wide_sample] = t; + b += 3*channels; + } + } + } + } + } + else if(bps == 32) { + if(is_unsigned_samples) { + if(is_big_endian != is_big_endian_host_) { + for(channel = 0; channel < channels; channel++) + for(sample = channel, wide_sample = 0; wide_sample < wide_samples; wide_sample++, sample+=channels) + out[channel][wide_sample] = ENDSWAP_32(ubuffer.u32[sample]) - 0x80000000; + } + else { + for(channel = 0; channel < channels; channel++) + for(sample = channel, wide_sample = 0; wide_sample < wide_samples; wide_sample++, sample+=channels) + out[channel][wide_sample] = ubuffer.u32[sample] - 0x80000000; + } + } + else { + if(is_big_endian != is_big_endian_host_) { + for(channel = 0; channel < channels; channel++) + for(sample = channel, wide_sample = 0; wide_sample < wide_samples; wide_sample++, sample+=channels) + out[channel][wide_sample] = ENDSWAP_32(ubuffer.s32[sample]); + } + else { + for(channel = 0; channel < channels; channel++) + for(sample = channel, wide_sample = 0; wide_sample < wide_samples; wide_sample++, sample+=channels) + out[channel][wide_sample] = ubuffer.s32[sample]; + } + } + } + else { + flac__utils_printf(stderr, 1, "ERROR: unsupported input format\n"); + return false; + } + if(shift > 0) { + FLAC__int32 mask = (1<<shift)-1; + for(wide_sample = 0; wide_sample < wide_samples; wide_sample++) + for(channel = 0; channel < channels; channel++) { + if(out[channel][wide_sample] & mask) { + flac__utils_printf(stderr, 1, "ERROR during read, sample data (channel#%u sample#%u = %d) has non-zero least-significant bits\n WAVE/AIFF header said the last %u bits are not significant and should be zero.\n", channel, wide_sample, out[channel][wide_sample], shift); + return false; + } + out[channel][wide_sample] >>= shift; + } + } + return true; +} + +void encoder_progress_callback(const FLAC__StreamEncoder *encoder, FLAC__uint64 bytes_written, FLAC__uint64 samples_written, uint32_t frames_written, uint32_t total_frames_estimate, void *client_data) +{ + EncoderSession *e = (EncoderSession*)client_data; + + const FLAC__uint64 uesize = e->unencoded_size; + + (void)encoder, (void)total_frames_estimate, (void) frames_written; + + e->bytes_written = bytes_written; + e->samples_written = samples_written; + + e->progress = e->total_samples_to_encode ? (double)samples_written / (double)e->total_samples_to_encode : 0; + e->compression_ratio = (e->progress && uesize) ? (double)e->bytes_written / ((double)uesize * min(1.0, e->progress)) : 0; + +#if 0 /* in case time.h with clock() isn't available for some reason */ + if(e->total_samples_to_encode > 0 && frames_written - e->old_frames_written > e->stats_frames_interval) { + print_stats(e); + e->old_frames_written = frames_written; + } +#else + if(e->total_samples_to_encode > 0 && (clock() - e->old_clock_t) > (CLOCKS_PER_SEC/4)) { + print_stats(e); + e->old_clock_t = clock(); + } + +#endif +} + +FLAC__StreamDecoderReadStatus flac_decoder_read_callback(const FLAC__StreamDecoder *decoder, FLAC__byte buffer[], size_t *bytes, void *client_data) +{ + size_t n = 0; + EncoderSession *e = (EncoderSession*)client_data; + FLACDecoderData *data = &e->fmt.flac.client_data; + + (void)decoder; + + if (data->fatal_error) + return FLAC__STREAM_DECODER_READ_STATUS_ABORT; + + /* use up lookahead first */ + if (data->lookahead_length) { + n = min(data->lookahead_length, *bytes); + memcpy(buffer, data->lookahead, n); + buffer += n; + data->lookahead += n; + data->lookahead_length -= n; + } + + /* get the rest from file */ + if (*bytes > n) { + *bytes = n + fread(buffer, 1, *bytes-n, e->fin); + if(ferror(e->fin)) + return FLAC__STREAM_DECODER_READ_STATUS_ABORT; + else if(0 == *bytes) + return FLAC__STREAM_DECODER_READ_STATUS_END_OF_STREAM; + else + return FLAC__STREAM_DECODER_READ_STATUS_CONTINUE; + } + else + return FLAC__STREAM_DECODER_READ_STATUS_CONTINUE; +} + +FLAC__StreamDecoderSeekStatus flac_decoder_seek_callback(const FLAC__StreamDecoder *decoder, FLAC__uint64 absolute_byte_offset, void *client_data) +{ + EncoderSession *e = (EncoderSession*)client_data; + (void)decoder; + + if(fseeko(e->fin, (FLAC__off_t)absolute_byte_offset, SEEK_SET) < 0) + return FLAC__STREAM_DECODER_SEEK_STATUS_ERROR; + else + return FLAC__STREAM_DECODER_SEEK_STATUS_OK; +} + +FLAC__StreamDecoderTellStatus flac_decoder_tell_callback(const FLAC__StreamDecoder *decoder, FLAC__uint64 *absolute_byte_offset, void *client_data) +{ + EncoderSession *e = (EncoderSession*)client_data; + FLAC__off_t pos; + (void)decoder; + + if((pos = ftello(e->fin)) < 0) + return FLAC__STREAM_DECODER_TELL_STATUS_ERROR; + else { + *absolute_byte_offset = (FLAC__uint64)pos; + return FLAC__STREAM_DECODER_TELL_STATUS_OK; + } +} + +FLAC__StreamDecoderLengthStatus flac_decoder_length_callback(const FLAC__StreamDecoder *decoder, FLAC__uint64 *stream_length, void *client_data) +{ + const EncoderSession *e = (EncoderSession*)client_data; + const FLACDecoderData *data = &e->fmt.flac.client_data; + (void)decoder; + + if(data->filesize < 0) + return FLAC__STREAM_DECODER_LENGTH_STATUS_ERROR; + else { + *stream_length = (FLAC__uint64)data->filesize; + return FLAC__STREAM_DECODER_LENGTH_STATUS_OK; + } +} + +FLAC__bool flac_decoder_eof_callback(const FLAC__StreamDecoder *decoder, void *client_data) +{ + EncoderSession *e = (EncoderSession*)client_data; + (void)decoder; + + return feof(e->fin)? true : false; +} + +FLAC__StreamDecoderWriteStatus flac_decoder_write_callback(const FLAC__StreamDecoder *decoder, const FLAC__Frame *frame, const FLAC__int32 * const buffer[], void *client_data) +{ + EncoderSession *e = (EncoderSession*)client_data; + FLACDecoderData *data = &e->fmt.flac.client_data; + FLAC__uint64 n = min(data->samples_left_to_process, frame->header.blocksize); + (void)decoder; + + /* Do some checks */ + if(frame->header.channels != e->info.channels) { + print_error_with_state(e, "ERROR: number of channels of input changed mid-stream"); + data->fatal_error = true; + return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT; + } + if(frame->header.bits_per_sample > e->info.bits_per_sample) { + print_error_with_state(e, "ERROR: bits-per-sample of input changed mid-stream"); + data->fatal_error = true; + return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT; + } + + if(!EncoderSession_process(e, buffer, (uint32_t)n)) { + print_error_with_state(e, "ERROR during encoding"); + data->fatal_error = true; + return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT; + } + + data->samples_left_to_process -= n; + return FLAC__STREAM_DECODER_WRITE_STATUS_CONTINUE; +} + +void flac_decoder_metadata_callback(const FLAC__StreamDecoder *decoder, const FLAC__StreamMetadata *metadata, void *client_data) +{ + EncoderSession *e = (EncoderSession*)client_data; + FLACDecoderData *data = &e->fmt.flac.client_data; + (void)decoder; + + if (data->fatal_error) + return; + + if ( + data->num_metadata_blocks == sizeof(data->metadata_blocks)/sizeof(data->metadata_blocks[0]) || + 0 == (data->metadata_blocks[data->num_metadata_blocks] = FLAC__metadata_object_clone(metadata)) + ) + data->fatal_error = true; + else + data->num_metadata_blocks++; +} + +void flac_decoder_error_callback(const FLAC__StreamDecoder *decoder, FLAC__StreamDecoderErrorStatus status, void *client_data) +{ + EncoderSession *e = (EncoderSession*)client_data; + FLACDecoderData *data = &e->fmt.flac.client_data; + (void)decoder; + + stats_print_name(1, e->inbasefilename); + flac__utils_printf(stderr, 1, "ERROR got %s while decoding FLAC input\n", FLAC__StreamDecoderErrorStatusString[status]); + if(!e->continue_through_decode_errors) + data->fatal_error = true; +} + +FLAC__bool parse_cuesheet(FLAC__StreamMetadata **cuesheet, const char *cuesheet_filename, const char *inbasefilename, uint32_t sample_rate, FLAC__bool is_cdda, FLAC__uint64 lead_out_offset, FLAC__bool treat_warnings_as_errors) +{ + FILE *f; + uint32_t last_line_read; + const char *error_message; + + if(0 == cuesheet_filename) + return true; + + if(lead_out_offset == 0) { + flac__utils_printf(stderr, 1, "%s: ERROR cannot import cuesheet when the number of input samples to encode is unknown\n", inbasefilename); + return false; + } + + if(0 == (f = flac_fopen(cuesheet_filename, "r"))) { + flac__utils_printf(stderr, 1, "%s: ERROR opening cuesheet \"%s\" for reading: %s\n", inbasefilename, cuesheet_filename, strerror(errno)); + return false; + } + + *cuesheet = grabbag__cuesheet_parse(f, &error_message, &last_line_read, sample_rate, is_cdda, lead_out_offset); + + fclose(f); + + if(0 == *cuesheet) { + flac__utils_printf(stderr, 1, "%s: ERROR parsing cuesheet \"%s\" on line %u: %s\n", inbasefilename, cuesheet_filename, last_line_read, error_message); + return false; + } + + if(!FLAC__format_cuesheet_is_legal(&(*cuesheet)->data.cue_sheet, /*check_cd_da_subset=*/false, &error_message)) { + flac__utils_printf(stderr, 1, "%s: ERROR parsing cuesheet \"%s\": %s\n", inbasefilename, cuesheet_filename, error_message); + return false; + } + + /* if we're expecting CDDA, warn about non-compliance */ + if(is_cdda && !FLAC__format_cuesheet_is_legal(&(*cuesheet)->data.cue_sheet, /*check_cd_da_subset=*/true, &error_message)) { + flac__utils_printf(stderr, 1, "%s: WARNING cuesheet \"%s\" is not audio CD compliant: %s\n", inbasefilename, cuesheet_filename, error_message); + if(treat_warnings_as_errors) + return false; + (*cuesheet)->data.cue_sheet.is_cd = false; + } + + return true; +} + +static void print_stats(const EncoderSession *encoder_session) +{ + if(flac__utils_verbosity_ >= 2) { + char ratiostr[16]; + + FLAC__ASSERT(encoder_session->total_samples_to_encode > 0); + + if (encoder_session->compression_ratio > 0.0) + flac_snprintf(ratiostr, sizeof(ratiostr), "%0.3f", encoder_session->compression_ratio); + else + flac_snprintf(ratiostr, sizeof(ratiostr), "N/A"); + + if(encoder_session->samples_written == encoder_session->total_samples_to_encode) { + stats_print_name(2, encoder_session->inbasefilename); + stats_print_info(2, "%swrote %" PRIu64 " bytes, ratio=%s", + encoder_session->verify? "Verify OK, " : "", + encoder_session->bytes_written, + ratiostr + ); + } + else { + stats_print_name(2, encoder_session->inbasefilename); + stats_print_info(2, "%u%% complete, ratio=%s", (uint32_t)floor(encoder_session->progress * 100.0 + 0.5), ratiostr); + } + } +} + +void print_error_with_init_status(const EncoderSession *e, const char *message, FLAC__StreamEncoderInitStatus init_status) +{ + const int ilen = strlen(e->inbasefilename) + 1; + const char *state_string = ""; + + flac__utils_printf(stderr, 1, "\n%s: %s\n", e->inbasefilename, message); + + flac__utils_printf(stderr, 1, "%*s init_status = %s\n", ilen, "", FLAC__StreamEncoderInitStatusString[init_status]); + + if(init_status == FLAC__STREAM_ENCODER_INIT_STATUS_ENCODER_ERROR) { + state_string = FLAC__stream_encoder_get_resolved_state_string(e->encoder); + + flac__utils_printf(stderr, 1, "%*s state = %s\n", ilen, "", state_string); + + /* print out some more info for some errors: */ + if(0 == strcmp(state_string, FLAC__StreamEncoderStateString[FLAC__STREAM_ENCODER_CLIENT_ERROR])) { + flac__utils_printf(stderr, 1, + "\n" + "An error occurred while writing; the most common cause is that the disk is full.\n" + ); + } + else if(0 == strcmp(state_string, FLAC__StreamEncoderStateString[FLAC__STREAM_ENCODER_IO_ERROR])) { + flac__utils_printf(stderr, 1, + "\n" + "An error occurred opening the output file; it is likely that the output\n" + "directory does not exist or is not writable, the output file already exists and\n" +#ifdef _WIN32 + "is not writeable, the disk is full or the file has a filename that exceeds the\n" + "path length limit.\n" +#else + "is not writable, or the disk is full.\n" +#endif + ); + } + } + else if(init_status == FLAC__STREAM_ENCODER_INIT_STATUS_NOT_STREAMABLE) { + flac__utils_printf(stderr, 1, + "\n" + "The encoding parameters specified do not conform to the FLAC Subset and may not\n" + "be streamable or playable in hardware devices. If you really understand the\n" + "consequences, you can add --lax to the command-line options to encode with\n" + "these parameters anyway. See http://xiph.org/flac/format.html#subset\n" + ); + } +} + +void print_error_with_state(const EncoderSession *e, const char *message) +{ + const int ilen = strlen(e->inbasefilename) + 1; + const char *state_string; + + flac__utils_printf(stderr, 1, "\n%s: %s\n", e->inbasefilename, message); + + state_string = FLAC__stream_encoder_get_resolved_state_string(e->encoder); + + flac__utils_printf(stderr, 1, "%*s state = %s\n", ilen, "", state_string); + + /* print out some more info for some errors: */ + if(0 == strcmp(state_string, FLAC__StreamEncoderStateString[FLAC__STREAM_ENCODER_CLIENT_ERROR])) { + flac__utils_printf(stderr, 1, + "\n" + "An error occurred while writing; the most common cause is that the disk is full.\n" + ); + } +} + +void print_verify_error(EncoderSession *e) +{ + FLAC__uint64 absolute_sample; + uint32_t frame_number; + uint32_t channel; + uint32_t sample; + FLAC__int32 expected; + FLAC__int32 got; + + FLAC__stream_encoder_get_verify_decoder_error_stats(e->encoder, &absolute_sample, &frame_number, &channel, &sample, &expected, &got); + + flac__utils_printf(stderr, 1, "%s: ERROR: mismatch in decoded data, verify FAILED!\n", e->inbasefilename); + flac__utils_printf(stderr, 1, " Absolute sample=%" PRIu64 ", frame=%u, channel=%u, sample=%u, expected %d, got %d\n", absolute_sample, frame_number, channel, sample, expected, got); + flac__utils_printf(stderr, 1, " In all known cases, verify errors are caused by hardware problems,\n"); + flac__utils_printf(stderr, 1, " usually overclocking or bad RAM. Delete %s\n", e->outfilename); + flac__utils_printf(stderr, 1, " and repeat the flac command exactly as before. If it does not give a\n"); + flac__utils_printf(stderr, 1, " verify error in the exact same place each time you try it, then there is\n"); + flac__utils_printf(stderr, 1, " a problem with your hardware; please see the FAQ:\n"); + flac__utils_printf(stderr, 1, " http://xiph.org/flac/faq.html#tools__hardware_prob\n"); + flac__utils_printf(stderr, 1, " If it does fail in the exact same place every time, keep\n"); + flac__utils_printf(stderr, 1, " %s and submit a bug report to:\n", e->outfilename); + flac__utils_printf(stderr, 1, " https://github.com/xiph/flac/issues\n"); + flac__utils_printf(stderr, 1, " Make sure to upload the FLAC file and use the \"Monitor\" feature to\n"); + flac__utils_printf(stderr, 1, " monitor the bug status.\n"); + flac__utils_printf(stderr, 1, "Verify FAILED! Do not trust %s\n", e->outfilename); +} + +FLAC__bool read_bytes(FILE *f, FLAC__byte *buf, size_t n, FLAC__bool eof_ok, const char *fn) +{ + size_t bytes_read = fread(buf, 1, n, f); + + if(bytes_read == 0) { + if(!eof_ok) { + flac__utils_printf(stderr, 1, "%s: ERROR: unexpected EOF\n", fn); + return false; + } + else + return true; + } + if(bytes_read < n) { + flac__utils_printf(stderr, 1, "%s: ERROR: unexpected EOF\n", fn); + return false; + } + return true; +} + +FLAC__bool read_uint16(FILE *f, FLAC__bool big_endian, FLAC__uint16 *val, const char *fn) +{ + if(!read_bytes(f, (FLAC__byte*)val, 2, /*eof_ok=*/false, fn)) + return false; + if(is_big_endian_host_ != big_endian) { + FLAC__byte tmp, *b = (FLAC__byte*)val; + tmp = b[1]; b[1] = b[0]; b[0] = tmp; + } + return true; +} + +FLAC__bool read_uint32(FILE *f, FLAC__bool big_endian, FLAC__uint32 *val, const char *fn) +{ + if(!read_bytes(f, (FLAC__byte*)val, 4, /*eof_ok=*/false, fn)) + return false; + if(is_big_endian_host_ != big_endian) { + FLAC__byte tmp, *b = (FLAC__byte*)val; + tmp = b[3]; b[3] = b[0]; b[0] = tmp; + tmp = b[2]; b[2] = b[1]; b[1] = tmp; + } + return true; +} + +FLAC__bool read_uint64(FILE *f, FLAC__bool big_endian, FLAC__uint64 *val, const char *fn) +{ + if(!read_bytes(f, (FLAC__byte*)val, 8, /*eof_ok=*/false, fn)) + return false; + if(is_big_endian_host_ != big_endian) { + FLAC__byte tmp, *b = (FLAC__byte*)val; + tmp = b[7]; b[7] = b[0]; b[0] = tmp; + tmp = b[6]; b[6] = b[1]; b[1] = tmp; + tmp = b[5]; b[5] = b[2]; b[2] = tmp; + tmp = b[4]; b[4] = b[3]; b[3] = tmp; + } + return true; +} + +FLAC__bool read_sane_extended(FILE *f, FLAC__uint32 *val, const char *fn) + /* Read an IEEE 754 80-bit (aka SANE) extended floating point value from 'f', + * convert it into an integral value and store in 'val'. Return false if only + * between 1 and 9 bytes remain in 'f', if 0 bytes remain in 'f', or if the + * value is negative, between zero and one, or too large to be represented by + * 'val'; return true otherwise. + */ +{ + uint32_t i; + FLAC__byte buf[10]; + FLAC__uint64 p = 0; + FLAC__int16 e; + FLAC__int16 shift; + + if(!read_bytes(f, buf, sizeof(buf), /*eof_ok=*/false, fn)) + return false; + e = ((FLAC__uint16)(buf[0])<<8 | (FLAC__uint16)(buf[1]))-0x3FFF; + shift = 63-e; + if((buf[0]>>7)==1U || e<0 || e>=63) { + flac__utils_printf(stderr, 1, "%s: ERROR: invalid floating-point value\n", fn); + return false; + } + + for(i = 0; i < 8; ++i) + p |= (FLAC__uint64)(buf[i+2])<<(56U-i*8); + *val = (FLAC__uint32)((p>>shift)+(p>>(shift-1) & 0x1)); + + return true; +} + +FLAC__bool fskip_ahead(FILE *f, FLAC__uint64 offset) +{ + static uint8_t dump[8192]; + struct flac_stat_s stb; + + if(flac_fstat(fileno(f), &stb) == 0 && (stb.st_mode & S_IFMT) == S_IFREG) + { + if(fseeko(f, offset, SEEK_CUR) == 0) + return true; + } + while(offset > 0) { + const long need = (long)min(offset, sizeof(dump)); + if((long)fread(dump, 1, need, f) < need) + return false; + offset -= need; + } + return true; +} + +uint32_t count_channel_mask_bits(FLAC__uint32 mask) +{ + uint32_t count = 0; + while(mask) { + if(mask & 1) + count++; + mask >>= 1; + } + return count; +} + diff --git a/src/flac/encode.h b/src/flac/encode.h new file mode 100644 index 0000000..2d65c50 --- /dev/null +++ b/src/flac/encode.h @@ -0,0 +1,116 @@ +/* flac - Command-line FLAC encoder/decoder + * Copyright (C) 2000-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifndef flac__encode_h +#define flac__encode_h + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include "FLAC/metadata.h" +#include "foreign_metadata.h" +#include "utils.h" +#include "share/compat.h" + +extern const int FLAC_ENCODE__DEFAULT_PADDING; + +typedef enum { + CST_BLOCKSIZE, + CST_COMPRESSION_LEVEL, + CST_DO_MID_SIDE, + CST_LOOSE_MID_SIDE, + CST_APODIZATION, + CST_MAX_LPC_ORDER, + CST_QLP_COEFF_PRECISION, + CST_DO_QLP_COEFF_PREC_SEARCH, + CST_DO_ESCAPE_CODING, + CST_DO_EXHAUSTIVE_MODEL_SEARCH, + CST_MIN_RESIDUAL_PARTITION_ORDER, + CST_MAX_RESIDUAL_PARTITION_ORDER, + CST_RICE_PARAMETER_SEARCH_DIST +} compression_setting_type_t; + +typedef struct { + compression_setting_type_t type; + union { + FLAC__bool t_bool; + unsigned t_unsigned; + const char *t_string; + } value; +} compression_setting_t; + +typedef struct { + utils__SkipUntilSpecification skip_specification; + utils__SkipUntilSpecification until_specification; + FLAC__bool verify; +#if FLAC__HAS_OGG + FLAC__bool use_ogg; + long serial_number; +#endif + FLAC__bool lax; + int padding; + size_t num_compression_settings; + compression_setting_t compression_settings[64]; + char *requested_seek_points; + int num_requested_seek_points; + const char *cuesheet_filename; + FLAC__bool treat_warnings_as_errors; + FLAC__bool continue_through_decode_errors; /* currently only obeyed when encoding from FLAC or Ogg FLAC */ + FLAC__bool cued_seekpoints; + FLAC__bool channel_map_none; /* --channel-map=none specified, eventually will expand to take actual channel map */ + + FLAC__bool is_first_file; + FLAC__bool is_last_file; + FLAC__bool replay_gain; + FLAC__bool ignore_chunk_sizes; + FLAC__bool error_on_compression_fail; + FLAC__bool limit_min_bitrate; + FLAC__bool relaxed_foreign_metadata_handling; + + FLAC__StreamMetadata *vorbis_comment; + FLAC__StreamMetadata *vorbis_comment_with_channel_mask_tag; + FLAC__StreamMetadata *pictures[64]; + unsigned num_pictures; + + FileFormat format; + union { + struct { + FLAC__bool is_big_endian; + FLAC__bool is_unsigned_samples; + unsigned channels; + unsigned bps; + unsigned sample_rate; + } raw; + struct { + foreign_metadata_t *foreign_metadata; /* NULL unless --keep-foreign-metadata requested */ + } iff; + } format_options; + + struct { + FLAC__bool disable_constant_subframes; + FLAC__bool disable_fixed_subframes; + FLAC__bool disable_verbatim_subframes; + FLAC__bool do_md5; + } debug; +} encode_options_t; + +int flac__encode_file(FILE *infile, FLAC__off_t infilesize, const char *infilename, const char *outfilename, const FLAC__byte *lookahead, uint32_t lookahead_length, encode_options_t options); + +#endif diff --git a/src/flac/foreign_metadata.c b/src/flac/foreign_metadata.c new file mode 100644 index 0000000..f63fc3e --- /dev/null +++ b/src/flac/foreign_metadata.c @@ -0,0 +1,952 @@ +/* flac - Command-line FLAC encoder/decoder + * Copyright (C) 2000-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include <stdio.h> /* for FILE etc. */ +#include <stdlib.h> /* for calloc() etc. */ +#include <string.h> /* for memcmp() etc. */ +#include "FLAC/assert.h" +#include "FLAC/metadata.h" +#include "share/alloc.h" +#include "share/compat.h" +#include "foreign_metadata.h" + +#ifdef min +#undef min +#endif +#define min(x,y) ((x)<(y)?(x):(y)) + +const char *FLAC__FOREIGN_METADATA_APPLICATION_ID[FLAC__FOREIGN_METADATA_NUMBER_OF_RECOGNIZED_APPLICATION_IDS] = { "aiff" , "riff", "w64 " }; + +static FLAC__uint32 unpack32be_(const FLAC__byte *b) +{ + return ((FLAC__uint32)b[0]<<24) + ((FLAC__uint32)b[1]<<16) + ((FLAC__uint32)b[2]<<8) + (FLAC__uint32)b[3]; +} + +static FLAC__uint32 unpack32le_(const FLAC__byte *b) +{ + return (FLAC__uint32)b[0] + ((FLAC__uint32)b[1]<<8) + ((FLAC__uint32)b[2]<<16) + ((FLAC__uint32)b[3]<<24); +} + +static FLAC__uint64 unpack64le_(const FLAC__byte *b) +{ + return (FLAC__uint64)b[0] + ((FLAC__uint64)b[1]<<8) + ((FLAC__uint64)b[2]<<16) + ((FLAC__uint64)b[3]<<24) + ((FLAC__uint64)b[4]<<32) + ((FLAC__uint64)b[5]<<40) + ((FLAC__uint64)b[6]<<48) + ((FLAC__uint64)b[7]<<56); +} + +/* copies 'size' bytes from file 'fin' to 'fout', filling in *error with 'read_error' or 'write_error' as necessary */ +static FLAC__bool copy_data_(FILE *fin, FILE *fout, size_t size, const char **error, const char * const read_error, const char * const write_error) +{ + FLAC__byte buffer[4096]; + size_t left; + for(left = size; left > 0; ) { + size_t need = min(sizeof(buffer), left); + if(fread(buffer, 1, need, fin) < need) { + if(error) *error = read_error; + return false; + } + if(fwrite(buffer, 1, need, fout) < need) { + if(error) *error = write_error; + return false; + } + left -= need; + } + return true; +} + +/* compare 'size' bytes from file 'fin' to 'fout', filling in *error with 'read_error' or 'write_error' as necessary */ +static FLAC__bool compare_data_(FILE *fin, FILE *fout, size_t size, const char **error, const char * const read_error, const char * const write_error, const char * const compare_error) +{ + FLAC__byte buffer_in[4096]; + FLAC__byte buffer_out[4096]; /* sizes need to be the same */ + size_t left; + for(left = size; left > 0; ) { + size_t need = min(sizeof(buffer_in), left); + if(fread(buffer_in, 1, need, fin) < need) { + if(error) *error = read_error; + return false; + } + if(fread(buffer_out, 1, need, fout) < need) { + if(error) *error = write_error; + return false; + } + if(memcmp(buffer_in, buffer_out, need)) { + if(error) *error = compare_error; + return false; + } + left -= need; + } + return true; +} + +static FLAC__bool append_block_(foreign_metadata_t *fm, FLAC__off_t offset, FLAC__uint32 size, const char **error) +{ + foreign_block_t *fb; + if(size >= ((1u << FLAC__STREAM_METADATA_LENGTH_LEN) - FLAC__STREAM_METADATA_APPLICATION_ID_LEN/8)) { + if(error) *error = "found foreign metadata chunk is too large (max is 16MiB per chunk)"; + return false; + } + fb = safe_realloc_nofree_muladd2_(fm->blocks, sizeof(foreign_block_t), /*times (*/fm->num_blocks, /*+*/1/*)*/); + if(fb) { + fb[fm->num_blocks].offset = offset; + fb[fm->num_blocks].size = size; + fm->num_blocks++; + fm->blocks = fb; + return true; + } + if(error) *error = "out of memory"; + return false; +} + +static FLAC__bool read_from_aiff_(foreign_metadata_t *fm, FILE *f, const char **error) +{ + FLAC__byte buffer[12]; + FLAC__off_t offset, eof_offset; + if((offset = ftello(f)) < 0) { + if(error) *error = "ftello() error (001)"; + return false; + } + if(fread(buffer, 1, 12, f) < 12 || memcmp(buffer, "FORM", 4) || (memcmp(buffer+8, "AIFF", 4) && memcmp(buffer+8, "AIFC", 4))) { + if(error) *error = "unsupported FORM layout (002)"; + return false; + } + if(!append_block_(fm, offset, 12, error)) + return false; + eof_offset = (FLAC__off_t)8 + (FLAC__off_t)unpack32be_(buffer+4); + while(!feof(f)) { + FLAC__uint32 size; + if((offset = ftello(f)) < 0) { + if(error) *error = "ftello() error (003)"; + return false; + } + if((size = fread(buffer, 1, 8, f)) < 8) { + if(size == 0 && feof(f)) + break; + if(error) *error = "invalid AIFF file (004)"; + return false; + } + size = unpack32be_(buffer+4); + /* check if pad byte needed */ + if(size & 1) + size++; + if(!memcmp(buffer, "COMM", 4)) { + if(fm->format_block) { + if(error) *error = "invalid AIFF file: multiple \"COMM\" chunks (005)"; + return false; + } + if(fm->audio_block) { + if(error) *error = "invalid AIFF file: \"SSND\" chunk before \"COMM\" chunk (006)"; + return false; + } + fm->format_block = fm->num_blocks; + } + else if(!memcmp(buffer, "SSND", 4)) { + if(fm->audio_block) { + if(error) *error = "invalid AIFF file: multiple \"SSND\" chunks (007)"; + return false; + } + if(!fm->format_block) { + if(error) *error = "invalid AIFF file: \"SSND\" chunk before \"COMM\" chunk (008)"; + return false; + } + fm->audio_block = fm->num_blocks; + /* read #offset bytes */ + if(fread(buffer+8, 1, 4, f) < 4) { + if(error) *error = "invalid AIFF file (009)"; + return false; + } + fm->ssnd_offset_size = unpack32be_(buffer+8); + if(fseeko(f, -4, SEEK_CUR) < 0) { + if(error) *error = "invalid AIFF file: seek error (010)"; + return false; + } + /* WATCHOUT: For SSND we ignore the blockSize and are not saving any + * unaligned part at the end of the chunk. In retrospect it is pretty + * pointless to save the unaligned data before the PCM but now it is + * done and cast in stone. + */ + } + if(!append_block_(fm, offset, 8 + (memcmp(buffer, "SSND", 4)? size : 8 + fm->ssnd_offset_size), error)) + return false; + /* skip to next chunk */ + if(fseeko(f, size, SEEK_CUR) < 0) { + if(error) *error = "invalid AIFF file: seek error (011)"; + return false; + } + } + if(eof_offset != ftello(f)) { + if(error) *error = "invalid AIFF file: unexpected EOF (012)"; + return false; + } + if(!fm->format_block) { + if(error) *error = "invalid AIFF file: missing \"COMM\" chunk (013)"; + return false; + } + if(!fm->audio_block) { + if(error) *error = "invalid AIFF file: missing \"SSND\" chunk (014)"; + return false; + } + return true; +} + +static FLAC__bool read_from_wave_(foreign_metadata_t *fm, FILE *f, const char **error) +{ + FLAC__byte buffer[12]; + FLAC__off_t offset, eof_offset = -1, ds64_data_size = -1; + if((offset = ftello(f)) < 0) { + if(error) *error = "ftello() error (001)"; + return false; + } + if(fread(buffer, 1, 12, f) < 12 || (memcmp(buffer, "RIFF", 4) && memcmp(buffer, "RF64", 4)) || memcmp(buffer+8, "WAVE", 4)) { + if(error) *error = "unsupported RIFF layout (002)"; + return false; + } + if(!memcmp(buffer, "RF64", 4)) + fm->is_rf64 = true; + if(fm->is_rf64 && sizeof(FLAC__off_t) < 8) { + if(error) *error = "RF64 is not supported on this compile (r00)"; + return false; + } + if(!append_block_(fm, offset, 12, error)) + return false; + if(!fm->is_rf64 || unpack32le_(buffer+4) != 0xffffffff) { + eof_offset = (FLAC__off_t)8 + (FLAC__off_t)unpack32le_(buffer+4); + if(eof_offset & 1) /* fix odd RIFF size */ + eof_offset++; + } + while(!feof(f)) { + FLAC__off_t size; + if((offset = ftello(f)) < 0) { + if(error) *error = "ftello() error (003)"; + return false; + } + if((size = fread(buffer, 1, 8, f)) < 8) { + if(size == 0 && feof(f)) + break; + if(error) *error = "invalid WAVE file (004)"; + return false; + } + size = unpack32le_(buffer+4); + /* check if pad byte needed */ + if(size & 1) + size++; + if(!memcmp(buffer, "fmt ", 4)) { + if(fm->format_block) { + if(error) *error = "invalid WAVE file: multiple \"fmt \" chunks (005)"; + return false; + } + if(fm->audio_block) { + if(error) *error = "invalid WAVE file: \"data\" chunk before \"fmt \" chunk (006)"; + return false; + } + fm->format_block = fm->num_blocks; + } + else if(!memcmp(buffer, "data", 4)) { + if(fm->audio_block) { + if(error) *error = "invalid WAVE file: multiple \"data\" chunks (007)"; + return false; + } + if(!fm->format_block) { + if(error) *error = "invalid WAVE file: \"data\" chunk before \"fmt \" chunk (008)"; + return false; + } + fm->audio_block = fm->num_blocks; + if(fm->is_rf64 && fm->num_blocks < 2) { + if(error) *error = "invalid RF64 file: \"data\" chunk before \"ds64\" chunk (r01)"; + return false; + } + } + if(!append_block_(fm, offset, 8 + (memcmp(buffer, "data", 4)? size : 0), error)) + return false; + /* parse ds64 chunk if necessary */ + if(fm->is_rf64 && fm->num_blocks == 2) { + FLAC__byte buffer2[7*4]; + if(memcmp(buffer, "ds64", 4)) { + if(error) *error = "invalid RF64 file: \"ds64\" chunk does not immediately follow \"WAVE\" marker (r02)"; + return false; + } + /* unpack the size again since we don't want the padding byte effect */ + size = unpack32le_(buffer+4); + if(size < (FLAC__off_t)sizeof(buffer2)) { + if(error) *error = "invalid RF64 file: \"ds64\" chunk size is < 28 (r03)"; + return false; + } + if(size > (FLAC__off_t)sizeof(buffer2)) { + if(error) *error = "RF64 file has \"ds64\" chunk with extra size table, which is not currently supported (r04)"; + return false; + } + if(fread(buffer2, 1, sizeof(buffer2), f) < sizeof(buffer2)) { + if(error) *error = "unexpected EOF reading \"ds64\" chunk data in RF64 file (r05)"; + return false; + } + ds64_data_size = (FLAC__off_t)unpack64le_(buffer2+8); + if(ds64_data_size == (FLAC__off_t)(-1)) { + if(error) *error = "RF64 file has \"ds64\" chunk with data size == -1 (r08)"; + return false; + } + /* check if pad byte needed */ + if(ds64_data_size & 1) + ds64_data_size++; + /* @@@ [2^63 limit] */ + if(ds64_data_size < 0) { + if(error) *error = "RF64 file too large (r09)"; + return false; + } + if(unpack32le_(buffer2+24)) { + if(error) *error = "RF64 file has \"ds64\" chunk with extra size table, which is not currently supported (r06)"; + return false; + } + eof_offset = (FLAC__off_t)8 + (FLAC__off_t)unpack64le_(buffer2); + /* @@@ [2^63 limit] */ + if((FLAC__off_t)unpack64le_(buffer2) < 0 || eof_offset < 0) { + if(error) *error = "RF64 file too large (r07)"; + return false; + } + } + else { /* skip to next chunk */ + if(fm->is_rf64 && !memcmp(buffer, "data", 4) && unpack32le_(buffer+4) == 0xffffffff) { + if(fseeko(f, ds64_data_size, SEEK_CUR) < 0) { + if(error) *error = "invalid RF64 file: seek error (r10)"; + return false; + } + } + else { + if(fseeko(f, size, SEEK_CUR) < 0) { + if(error) *error = "invalid WAVE file: seek error (009)"; + return false; + } + } + } + } + if(fm->is_rf64 && eof_offset == (FLAC__off_t)(-1)) { + if(error) *error = "invalid RF64 file: all RIFF sizes are -1 (r11)"; + return false; + } + if(eof_offset != ftello(f)) { + if(error) *error = "invalid WAVE file: unexpected EOF (010)"; + return false; + } + if(!fm->format_block) { + if(error) *error = "invalid WAVE file: missing \"fmt \" chunk (011)"; + return false; + } + if(!fm->audio_block) { + if(error) *error = "invalid WAVE file: missing \"data\" chunk (012)"; + return false; + } + return true; +} + +static FLAC__bool read_from_wave64_(foreign_metadata_t *fm, FILE *f, const char **error) +{ + FLAC__byte buffer[40]; + FLAC__off_t offset, eof_offset = -1; + if((offset = ftello(f)) < 0) { + if(error) *error = "ftello() error (001)"; + return false; + } + if( + fread(buffer, 1, 40, f) < 40 || + /* RIFF GUID 66666972-912E-11CF-A5D6-28DB04C10000 */ + memcmp(buffer, "\x72\x69\x66\x66\x2E\x91\xCF\x11\xA5\xD6\x28\xDB\x04\xC1\x00\x00", 16) || + /* WAVE GUID 65766177-ACF3-11D3-8CD1-00C04F8EDB8A */ + memcmp(buffer+24, "\x77\x61\x76\x65\xF3\xAC\xD3\x11\x8C\xD1\x00\xC0\x4F\x8E\xDB\x8A", 16) + ) { + if(error) *error = "unsupported Wave64 layout (002)"; + return false; + } + if(sizeof(FLAC__off_t) < 8) { + if(error) *error = "Wave64 is not supported on this compile (r00)"; + return false; + } + if(!append_block_(fm, offset, 40, error)) + return false; + eof_offset = (FLAC__off_t)unpack64le_(buffer+16); /*@@@ [2^63 limit] */ + while(!feof(f)) { + FLAC__uint64 size; + if((offset = ftello(f)) < 0) { + if(error) *error = "ftello() error (003)"; + return false; + } + if((size = fread(buffer, 1, 24, f)) < 24) { + if(size == 0 && feof(f)) + break; + if(error) *error = "invalid Wave64 file (004)"; + return false; + } + size = unpack64le_(buffer+16); + /* check if pad bytes needed */ + if(size & 7) + size = (size+7) & (~((FLAC__uint64)7)); + /* fmt GUID 20746D66-ACF3-11D3-8CD1-00C04F8EDB8A */ + if(!memcmp(buffer, "\x66\x6D\x74\x20\xF3\xAC\xD3\x11\x8C\xD1\x00\xC0\x4F\x8E\xDB\x8A", 16)) { + if(fm->format_block) { + if(error) *error = "invalid Wave64 file: multiple \"fmt \" chunks (005)"; + return false; + } + if(fm->audio_block) { + if(error) *error = "invalid Wave64 file: \"data\" chunk before \"fmt \" chunk (006)"; + return false; + } + fm->format_block = fm->num_blocks; + } + /* data GUID 61746164-ACF3-11D3-8CD1-00C04F8EDB8A */ + else if(!memcmp(buffer, "\x64\x61\x74\x61\xF3\xAC\xD3\x11\x8C\xD1\x00\xC0\x4F\x8E\xDB\x8A", 16)) { + if(fm->audio_block) { + if(error) *error = "invalid Wave64 file: multiple \"data\" chunks (007)"; + return false; + } + if(!fm->format_block) { + if(error) *error = "invalid Wave64 file: \"data\" chunk before \"fmt \" chunk (008)"; + return false; + } + fm->audio_block = fm->num_blocks; + } + if(!append_block_(fm, offset, memcmp(buffer, "\x64\x61\x74\x61\xF3\xAC\xD3\x11\x8C\xD1\x00\xC0\x4F\x8E\xDB\x8A", 16)? (FLAC__uint32)size : 16+8, error)) + return false; + /* skip to next chunk */ + if(fseeko(f, size-24, SEEK_CUR) < 0) { + if(error) *error = "invalid Wave64 file: seek error (009)"; + return false; + } + } + if(eof_offset != ftello(f)) { + if(error) *error = "invalid Wave64 file: unexpected EOF (010)"; + return false; + } + if(!fm->format_block) { + if(error) *error = "invalid Wave64 file: missing \"fmt \" chunk (011)"; + return false; + } + if(!fm->audio_block) { + if(error) *error = "invalid Wave64 file: missing \"data\" chunk (012)"; + return false; + } + return true; +} + +static FLAC__bool write_to_flac_(foreign_metadata_t *fm, FILE *fin, FILE *fout, FLAC__Metadata_SimpleIterator *it, const char **error) +{ + FLAC__byte buffer[4]; + const uint32_t ID_LEN = FLAC__STREAM_METADATA_APPLICATION_ID_LEN/8; + size_t block_num = 0; + FLAC__ASSERT(sizeof(buffer) >= ID_LEN); + while(block_num < fm->num_blocks) { + /* find next matching padding block */ + do { + /* even on the first chunk's loop there will be a skippable STREAMINFO block, on subsequent loops we are first moving past the PADDING we just used */ + if(!FLAC__metadata_simple_iterator_next(it)) { + if(error) *error = "no matching PADDING block found (004)"; + return false; + } + } while(FLAC__metadata_simple_iterator_get_block_type(it) != FLAC__METADATA_TYPE_PADDING); + if(FLAC__metadata_simple_iterator_get_block_length(it) != ID_LEN+fm->blocks[block_num].size) { + if(error) *error = "PADDING block with wrong size found (005)"; + return false; + } + /* transfer chunk into APPLICATION block */ + /* first set up the file pointers */ + if(fseeko(fin, fm->blocks[block_num].offset, SEEK_SET) < 0) { + if(error) *error = "seek failed in WAVE/AIFF file (006)"; + return false; + } + if(fseeko(fout, FLAC__metadata_simple_iterator_get_block_offset(it), SEEK_SET) < 0) { + if(error) *error = "seek failed in FLAC file (007)"; + return false; + } + /* update the type */ + buffer[0] = FLAC__METADATA_TYPE_APPLICATION; + if(FLAC__metadata_simple_iterator_is_last(it)) + buffer[0] |= 0x80; /*MAGIC number*/ + if(fwrite(buffer, 1, 1, fout) < 1) { + if(error) *error = "write failed in FLAC file (008)"; + return false; + } + /* length stays the same so skip over it */ + if(fseeko(fout, FLAC__STREAM_METADATA_LENGTH_LEN/8, SEEK_CUR) < 0) { + if(error) *error = "seek failed in FLAC file (009)"; + return false; + } + /* write the APPLICATION ID */ + memcpy(buffer, FLAC__FOREIGN_METADATA_APPLICATION_ID[fm->type], ID_LEN); + if(fwrite(buffer, 1, ID_LEN, fout) < ID_LEN) { + if(error) *error = "write failed in FLAC file (010)"; + return false; + } + /* transfer the foreign metadata */ + if(!copy_data_(fin, fout, fm->blocks[block_num].size, error, "read failed in WAVE/AIFF file (011)", "write failed in FLAC file (012)")) + return false; + block_num++; + } + return true; +} + +static FLAC__bool read_from_flac_(foreign_metadata_t *fm, FILE *f, FLAC__Metadata_SimpleIterator *it, const char **error) +{ + FLAC__byte id[4], buffer[32]; + FLAC__off_t offset; + FLAC__uint32 length; + FLAC__bool first_block = true, type_found = false, ds64_found = false; + + FLAC__ASSERT(FLAC__STREAM_METADATA_APPLICATION_ID_LEN == sizeof(id)*8); + + while(FLAC__metadata_simple_iterator_next(it)) { + if(FLAC__metadata_simple_iterator_get_block_type(it) != FLAC__METADATA_TYPE_APPLICATION) + continue; + if(!FLAC__metadata_simple_iterator_get_application_id(it, id)) { + if(error) *error = "FLAC__metadata_simple_iterator_get_application_id() error (002)"; + return false; + } + if(first_block) { + uint32_t i; + for(i = 0; i < FLAC__FOREIGN_METADATA_NUMBER_OF_RECOGNIZED_APPLICATION_IDS; i++) + if(memcmp(id, FLAC__FOREIGN_METADATA_APPLICATION_ID[i], sizeof(id)) == 0) { + fm->type = i; + first_block = false; + } + if(first_block) /* means no first foreign metadata block was found yet */ + continue; + } + else if(memcmp(id, FLAC__FOREIGN_METADATA_APPLICATION_ID[fm->type], sizeof(id))) + continue; + offset = FLAC__metadata_simple_iterator_get_block_offset(it); + length = FLAC__metadata_simple_iterator_get_block_length(it); + /* skip over header and app ID */ + offset += (FLAC__STREAM_METADATA_IS_LAST_LEN + FLAC__STREAM_METADATA_TYPE_LEN + FLAC__STREAM_METADATA_LENGTH_LEN) / 8; + offset += sizeof(id); + /* look for format or audio blocks */ + if(fseeko(f, offset, SEEK_SET) < 0) { + if(error) *error = "seek error (003)"; + return false; + } + if(fread(buffer, 1, 4, f) != 4) { + if(error) *error = "read error (004)"; + return false; + } + if(fm->num_blocks == 0) { /* first block? */ + /* Initialize bools */ + fm->is_wavefmtex = 0; + fm->is_aifc = 0; + fm->is_sowt = 0; + fm->is_rf64 = 0 == memcmp(buffer, "RF64", 4); + + if(fm->type == FOREIGN_BLOCK_TYPE__RIFF && (0 == memcmp(buffer, "RIFF", 4) || fm->is_rf64)) + type_found = true; + else if(fm->type == FOREIGN_BLOCK_TYPE__WAVE64 && 0 == memcmp(buffer, "riff", 4)) /* use first 4 bytes instead of whole GUID */ + type_found = true; + else if(fm->type == FOREIGN_BLOCK_TYPE__AIFF && 0 == memcmp(buffer, "FORM", 4)) { + type_found = true; + if(fread(buffer+4, 1, 8, f) != 8) { + if(error) *error = "read error (020)"; + return false; + } + fm->is_aifc = 0 == memcmp(buffer+8, "AIFC", 4); + } + else { + if(error) *error = "unsupported foreign metadata found, may need newer FLAC decoder (005)"; + return false; + } + } + else if(!type_found) { + FLAC__ASSERT(0); + /* double protection: */ + if(error) *error = "unsupported foreign metadata found, may need newer FLAC decoder (006)"; + return false; + } + else if(fm->type == FOREIGN_BLOCK_TYPE__RIFF) { + if(!memcmp(buffer, "fmt ", 4)) { + if(fm->format_block) { + if(error) *error = "invalid WAVE metadata: multiple \"fmt \" chunks (007)"; + return false; + } + if(fm->audio_block) { + if(error) *error = "invalid WAVE metadata: \"data\" chunk before \"fmt \" chunk (008)"; + return false; + } + fm->format_block = fm->num_blocks; + if(fread(buffer+4, 1, 8, f) != 8) { + if(error) *error = "read error (020)"; + return false; + } + fm->is_wavefmtex = 0 == memcmp(buffer+8, "\xfe\xff", 2); + } + else if(!memcmp(buffer, "data", 4)) { + if(fm->audio_block) { + if(error) *error = "invalid WAVE metadata: multiple \"data\" chunks (009)"; + return false; + } + if(!fm->format_block) { + if(error) *error = "invalid WAVE metadata: \"data\" chunk before \"fmt \" chunk (010)"; + return false; + } + fm->audio_block = fm->num_blocks; + } + else if(fm->is_rf64 && fm->num_blocks == 1) { + if(memcmp(buffer, "ds64", 4)) { + if(error) *error = "invalid RF64 metadata: second chunk is not \"ds64\" (011)"; + return false; + } + ds64_found = true; + } + } + else if(fm->type == FOREIGN_BLOCK_TYPE__WAVE64) { + if(!memcmp(buffer, "fmt ", 4)) { /* use first 4 bytes instead of whole GUID */ + if(fm->format_block) { + if(error) *error = "invalid Wave64 metadata: multiple \"fmt \" chunks (012)"; + return false; + } + if(fm->audio_block) { + if(error) *error = "invalid Wave64 metadata: \"data\" chunk before \"fmt \" chunk (013)"; + return false; + } + fm->format_block = fm->num_blocks; + } + else if(!memcmp(buffer, "data", 4)) { /* use first 4 bytes instead of whole GUID */ + if(fm->audio_block) { + if(error) *error = "invalid Wave64 metadata: multiple \"data\" chunks (014)"; + return false; + } + if(!fm->format_block) { + if(error) *error = "invalid Wave64 metadata: \"data\" chunk before \"fmt \" chunk (015)"; + return false; + } + fm->audio_block = fm->num_blocks; + } + } + else if(fm->type == FOREIGN_BLOCK_TYPE__AIFF) { + if(!memcmp(buffer, "COMM", 4)) { + if(fm->format_block) { + if(error) *error = "invalid AIFF metadata: multiple \"COMM\" chunks (016)"; + return false; + } + if(fm->audio_block) { + if(error) *error = "invalid AIFF metadata: \"SSND\" chunk before \"COMM\" chunk (017)"; + return false; + } + fm->format_block = fm->num_blocks; + if(fm->is_aifc) { + if(fread(buffer+4, 1, 26, f) != 26) { + if(error) *error = "read error (020)"; + return false; + } + fm->is_sowt = 0 == memcmp(buffer+26, "sowt", 2); + fm->aifc_comm_length = length; + } + } + else if(!memcmp(buffer, "SSND", 4)) { + if(fm->audio_block) { + if(error) *error = "invalid AIFF metadata: multiple \"SSND\" chunks (018)"; + return false; + } + if(!fm->format_block) { + if(error) *error = "invalid AIFF metadata: \"SSND\" chunk before \"COMM\" chunk (019)"; + return false; + } + fm->audio_block = fm->num_blocks; + /* read SSND offset size */ + if(fread(buffer+4, 1, 8, f) != 8) { + if(error) *error = "read error (020)"; + return false; + } + fm->ssnd_offset_size = unpack32be_(buffer+8); + } + } + else { + FLAC__ASSERT(0); + /* double protection: */ + if(error) *error = "unsupported foreign metadata found, may need newer FLAC decoder (021)"; + return false; + } + if(!append_block_(fm, offset, FLAC__metadata_simple_iterator_get_block_length(it)-sizeof(id), error)) + return false; + } + if(fm->is_rf64 && !ds64_found) { + if(error) *error = "invalid RF64 file: second chunk is not \"ds64\" (023)"; + return false; + } + if(!fm->format_block) { + if(error) + *error = + fm->type==FOREIGN_BLOCK_TYPE__RIFF? "invalid WAVE file: missing \"fmt \" chunk (024)" : + fm->type==FOREIGN_BLOCK_TYPE__WAVE64? "invalid Wave64 file: missing \"fmt \" chunk (025)" : + "invalid AIFF file: missing \"COMM\" chunk (026)"; + return false; + } + if(!fm->audio_block) { + if(error) + *error = + fm->type==FOREIGN_BLOCK_TYPE__RIFF? "invalid WAVE file: missing \"data\" chunk (027)" : + fm->type==FOREIGN_BLOCK_TYPE__WAVE64? "invalid Wave64 file: missing \"data\" chunk (028)" : + "invalid AIFF file: missing \"SSND\" chunk (029)"; + return false; + } + return true; +} + +static FLAC__bool write_to_iff_(foreign_metadata_t *fm, FILE *fin, FILE *fout, FLAC__off_t offset1, FLAC__off_t offset2, FLAC__off_t offset3, const char **error) +{ + size_t i; + if(fseeko(fout, offset1, SEEK_SET) < 0) { + if(error) *error = "seek failed in WAVE/AIFF file"; + return false; + } + + /* don't write first (RIFF/RF64/FORM) chunk, or ds64 chunk in the case of RF64 */ + for(i = fm->is_rf64?2:1; i < fm->format_block; i++) { + if(fseeko(fin, fm->blocks[i].offset, SEEK_SET) < 0) { + if(error) *error = "seek failed in FLAC file"; + return false; + } + if(!copy_data_(fin, fout, fm->blocks[i].size, error, "read failed in FLAC file", "write failed in WAVE/AIFF file")) + return false; + } + + if(fm->is_aifc) { + /* Need to restore compression type name */ + if(fseeko(fout, 30, SEEK_CUR) < 0) { + if(error) *error = "seek failed in AIFF-C file"; + return false; + } + if(fseeko(fin, fm->blocks[i].offset+30, SEEK_SET) < 0) { + if(error) *error = "seek failed in FLAC file"; + return false; + } + if(!copy_data_(fin, fout, fm->aifc_comm_length-34, error, "read failed in FLAC file", "write failed in WAVE/AIFF file")) + return false; + /* Now seek back */ + if(fseeko(fout, ((FLAC__int32)(fm->aifc_comm_length) * -1) + 4, SEEK_CUR) < 0) { + if(error) *error = "seek failed in AIFF-C file"; + return false; + } + } + if(fseeko(fout, offset2, SEEK_SET) < 0) { + if(error) *error = "seek failed in WAVE/AIFF file (006)"; + return false; + } + for(i = fm->format_block+1; i < fm->audio_block; i++) { + if(fseeko(fin, fm->blocks[i].offset, SEEK_SET) < 0) { + if(error) *error = "seek failed in FLAC file"; + return false; + } + if(!copy_data_(fin, fout, fm->blocks[i].size, error, "read failed in FLAC file", "write failed in WAVE/AIFF file")) + return false; + } + if(fseeko(fout, offset3, SEEK_SET) < 0) { + if(error) *error = "seek failed in WAVE/AIFF file"; + return false; + } + for(i = fm->audio_block+1; i < fm->num_blocks; i++) { + if(fseeko(fin, fm->blocks[i].offset, SEEK_SET) < 0) { + if(error) *error = "seek failed in FLAC file"; + return false; + } + if(!copy_data_(fin, fout, fm->blocks[i].size, error, "read failed in FLAC file", "write failed in WAVE/AIFF file")) + return false; + } + return true; +} + +static FLAC__bool compare_with_iff_(foreign_metadata_t *fm, FILE *fin, FILE *fout, FLAC__off_t offset3, const char **error) +{ + size_t i; + + /* Compare blocks before audio data */ + for(i = 0; i <= (fm->audio_block); i++) { + if(fseeko(fin, fm->blocks[i].offset, SEEK_SET) < 0) { + if(error) *error = "seek failed in FLAC file"; + return false; + } + if(!compare_data_(fin, fout, fm->blocks[i].size, error, "read failed in FLAC file", "read failed in WAVE/AIFF file", + i==0?"stored main chunk length differs from written length":( + i==fm->format_block?"stored foreign format block differs from written block. Perhaps the file is being restored to a different format than that of the original file":( + i==fm->audio_block?"stored audio length differs from written length. Perhaps the file changed in length after being originally encoded":"restore of foreign metadata failed")))) + return false; + } + + /* Seek beyond audio */ + if(fseeko(fout, offset3, SEEK_SET) < 0) { + if(error) *error = "seek failed in WAVE/AIFF file"; + return false; + } + for(; i < fm->num_blocks; i++) { + if(fseeko(fin, fm->blocks[i].offset, SEEK_SET) < 0) { + if(error) *error = "seek failed in FLAC file"; + return false; + } + if(!compare_data_(fin, fout, fm->blocks[i].size, error, "read failed in FLAC file", "read failed in WAVE/AIFF file", "restore of foreign metadata failed")) + return false; + } + return true; +} + +foreign_metadata_t *flac__foreign_metadata_new(foreign_block_type_t type) +{ + /* calloc() to zero all the member variables */ + foreign_metadata_t *x = calloc(sizeof(foreign_metadata_t), 1); + if(x) { + x->type = type; + x->is_rf64 = false; + } + return x; +} + +void flac__foreign_metadata_delete(foreign_metadata_t *fm) +{ + if(fm) { + if(fm->blocks) + free(fm->blocks); + free(fm); + } +} + +FLAC__bool flac__foreign_metadata_read_from_aiff(foreign_metadata_t *fm, const char *filename, const char **error) +{ + FLAC__bool ok; + FILE *f = flac_fopen(filename, "rb"); + if(!f) { + if(error) *error = "can't open AIFF file for reading (000)"; + return false; + } + ok = read_from_aiff_(fm, f, error); + fclose(f); + return ok; +} + +FLAC__bool flac__foreign_metadata_read_from_wave(foreign_metadata_t *fm, const char *filename, const char **error) +{ + FLAC__bool ok; + FILE *f = flac_fopen(filename, "rb"); + if(!f) { + if(error) *error = "can't open WAVE file for reading (000)"; + return false; + } + ok = read_from_wave_(fm, f, error); + fclose(f); + return ok; +} + +FLAC__bool flac__foreign_metadata_read_from_wave64(foreign_metadata_t *fm, const char *filename, const char **error) +{ + FLAC__bool ok; + FILE *f = flac_fopen(filename, "rb"); + if(!f) { + if(error) *error = "can't open Wave64 file for reading (000)"; + return false; + } + ok = read_from_wave64_(fm, f, error); + fclose(f); + return ok; +} + +FLAC__bool flac__foreign_metadata_write_to_flac(foreign_metadata_t *fm, const char *infilename, const char *outfilename, const char **error) +{ + FLAC__bool ok; + FILE *fin, *fout; + FLAC__Metadata_SimpleIterator *it = FLAC__metadata_simple_iterator_new(); + if(!it) { + if(error) *error = "out of memory (000)"; + return false; + } + if(!FLAC__metadata_simple_iterator_init(it, outfilename, /*read_only=*/true, /*preserve_file_stats=*/false)) { + if(error) *error = "can't initialize iterator (001)"; + FLAC__metadata_simple_iterator_delete(it); + return false; + } + if(0 == (fin = flac_fopen(infilename, "rb"))) { + if(error) *error = "can't open WAVE/AIFF file for reading (002)"; + FLAC__metadata_simple_iterator_delete(it); + return false; + } + if(0 == (fout = flac_fopen(outfilename, "r+b"))) { + if(error) *error = "can't open FLAC file for updating (003)"; + FLAC__metadata_simple_iterator_delete(it); + fclose(fin); + return false; + } + ok = write_to_flac_(fm, fin, fout, it, error); + FLAC__metadata_simple_iterator_delete(it); + fclose(fin); + fclose(fout); + return ok; +} + +FLAC__bool flac__foreign_metadata_read_from_flac(foreign_metadata_t *fm, const char *filename, const char **error) +{ + FLAC__bool ok; + FILE *f; + FLAC__Metadata_SimpleIterator *it = FLAC__metadata_simple_iterator_new(); + if(!it) { + if(error) *error = "out of memory (000)"; + return false; + } + if(!FLAC__metadata_simple_iterator_init(it, filename, /*read_only=*/true, /*preserve_file_stats=*/false)) { + if(error) *error = "can't initialize iterator (001)"; + FLAC__metadata_simple_iterator_delete(it); + return false; + } + if(0 == (f = flac_fopen(filename, "rb"))) { + if(error) *error = "can't open FLAC file for reading (002)"; + FLAC__metadata_simple_iterator_delete(it); + return false; + } + ok = read_from_flac_(fm, f, it, error); + FLAC__metadata_simple_iterator_delete(it); + fclose(f); + return ok; +} + +FLAC__bool flac__foreign_metadata_write_to_iff(foreign_metadata_t *fm, const char *infilename, const char *outfilename, FLAC__off_t offset1, FLAC__off_t offset2, FLAC__off_t offset3, const char **error) +{ + FLAC__bool ok; + FILE *fin, *fout; + if(0 == (fin = flac_fopen(infilename, "rb"))) { + if(error) *error = "can't open FLAC file for reading (000)"; + return false; + } + if(0 == (fout = flac_fopen(outfilename, "r+b"))) { + if(error) *error = "can't open WAVE/AIFF file for updating (001)"; + fclose(fin); + return false; + } + ok = write_to_iff_(fm, fin, fout, offset1, offset2, offset3, error); + fclose(fin); + fclose(fout); + return ok; +} + +FLAC__bool flac__foreign_metadata_compare_with_iff(foreign_metadata_t *fm, const char *infilename, const char *outfilename, FLAC__off_t offset3, const char **error) +{ + FLAC__bool ok; + FILE *fin, *fout; + if(0 == (fin = flac_fopen(infilename, "rb"))) { + if(error) *error = "can't open FLAC file for reading"; + return false; + } + if(0 == (fout = flac_fopen(outfilename, "rb"))) { + if(error) *error = "can't open WAVE/AIFF file for comparing"; + fclose(fin); + return false; + } + ok = compare_with_iff_(fm, fin, fout, offset3, error); + fclose(fin); + fclose(fout); + return ok; +} diff --git a/src/flac/foreign_metadata.h b/src/flac/foreign_metadata.h new file mode 100644 index 0000000..fa68d46 --- /dev/null +++ b/src/flac/foreign_metadata.h @@ -0,0 +1,83 @@ +/* flac - Command-line FLAC encoder/decoder + * Copyright (C) 2000-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifndef flac__foreign_metadata_h +#define flac__foreign_metadata_h + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include "FLAC/metadata.h" +#include "utils.h" +#include "share/compat.h" + +#define FLAC__FOREIGN_METADATA_NUMBER_OF_RECOGNIZED_APPLICATION_IDS 3 + +extern const char *FLAC__FOREIGN_METADATA_APPLICATION_ID[FLAC__FOREIGN_METADATA_NUMBER_OF_RECOGNIZED_APPLICATION_IDS]; + +/* WATCHOUT: these enums are used to index internal arrays */ +typedef enum { + FOREIGN_BLOCK_TYPE__AIFF = 0, /* for AIFF and AIFF-C */ + FOREIGN_BLOCK_TYPE__RIFF = 1, /* for WAVE and RF64 */ + FOREIGN_BLOCK_TYPE__WAVE64 = 2 /* only for Sony's flavor */ +} foreign_block_type_t; + +typedef struct { + /* for encoding, this will be the offset in the WAVE/AIFF file of the chunk */ + /* for decoding, this will be the offset in the FLAC file of the chunk data inside the APPLICATION block */ + FLAC__off_t offset; + /* size is the actual size in bytes of the chunk to be stored/recreated. */ + /* It includes the 8 bytes of chunk type and size, and any padding byte for alignment. */ + /* For 'data'/'SSND' chunks, the size does not include the actual sound or padding bytes */ + /* because these are not stored, they are recreated from the compressed FLAC stream. */ + /* So for RIFF 'data', size is 8, and for AIFF 'SSND', size is 8 + 8 + ssnd_offset_size */ + /* 32 bit size is OK because we only care about the non-sound data and FLAC metadata */ + /* only supports a few megs anyway. */ + FLAC__uint32 size; +} foreign_block_t; + +typedef struct { + foreign_block_type_t type; /* currently we don't support multiple foreign types in a stream (and maybe never will) */ + foreign_block_t *blocks; + size_t num_blocks; + size_t format_block; /* block number of 'fmt ' or 'COMM' chunk */ + size_t audio_block; /* block number of 'data' or 'SSND' chunk */ + FLAC__bool is_rf64; /* always false if type!=RIFF */ + FLAC__bool is_wavefmtex; /* always false if type!=RIFF */ + FLAC__bool is_aifc; /* always false if type!=AIFF */ + FLAC__bool is_sowt; /* always false if type!=AIFF */ + FLAC__uint32 aifc_comm_length; + FLAC__uint32 ssnd_offset_size; /* 0 if type!=AIFF */ +} foreign_metadata_t; + +foreign_metadata_t *flac__foreign_metadata_new(foreign_block_type_t type); + +void flac__foreign_metadata_delete(foreign_metadata_t *fm); + +FLAC__bool flac__foreign_metadata_read_from_aiff(foreign_metadata_t *fm, const char *filename, const char **error); +FLAC__bool flac__foreign_metadata_read_from_wave(foreign_metadata_t *fm, const char *filename, const char **error); +FLAC__bool flac__foreign_metadata_read_from_wave64(foreign_metadata_t *fm, const char *filename, const char **error); +FLAC__bool flac__foreign_metadata_write_to_flac(foreign_metadata_t *fm, const char *infilename, const char *outfilename, const char **error); + +FLAC__bool flac__foreign_metadata_read_from_flac(foreign_metadata_t *fm, const char *filename, const char **error); +FLAC__bool flac__foreign_metadata_write_to_iff(foreign_metadata_t *fm, const char *infilename, const char *outfilename, FLAC__off_t offset1, FLAC__off_t offset2, FLAC__off_t offset3, const char **error); +FLAC__bool flac__foreign_metadata_compare_with_iff(foreign_metadata_t *fm, const char *infilename, const char *outfilename, FLAC__off_t offset3, const char **error); + +#endif diff --git a/src/flac/iffscan.c b/src/flac/iffscan.c new file mode 100644 index 0000000..a5472e0 --- /dev/null +++ b/src/flac/iffscan.c @@ -0,0 +1,129 @@ +/* iffscan - Simple AIFF/RIFF chunk scanner + * Copyright (C) 2007-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include "share/compat.h" +#include "foreign_metadata.h" + +static FLAC__uint32 unpack32be_(const FLAC__byte *b) +{ + return ((FLAC__uint32)b[0]<<24) + ((FLAC__uint32)b[1]<<16) + ((FLAC__uint32)b[2]<<8) + (FLAC__uint32)b[3]; +} + +static FLAC__uint32 unpack32le_(const FLAC__byte *b) +{ + return (FLAC__uint32)b[0] + ((FLAC__uint32)b[1]<<8) + ((FLAC__uint32)b[2]<<16) + ((FLAC__uint32)b[3]<<24); +} + +static FLAC__uint64 unpack64le_(const FLAC__byte *b) +{ + return (FLAC__uint64)b[0] + ((FLAC__uint64)b[1]<<8) + ((FLAC__uint64)b[2]<<16) + ((FLAC__uint64)b[3]<<24) + ((FLAC__uint64)b[4]<<32) + ((FLAC__uint64)b[5]<<40) + ((FLAC__uint64)b[6]<<48) + ((FLAC__uint64)b[7]<<56); +} + +static FLAC__uint32 unpack32_(const FLAC__byte *b, foreign_block_type_t type) +{ + if(type == FOREIGN_BLOCK_TYPE__AIFF) + return unpack32be_(b); + else + return unpack32le_(b); +} + +int main(int argc, char *argv[]) +{ + FILE *f; + char buf[36]; + foreign_metadata_t *fm; + const char *fn, *error; + size_t i; + FLAC__uint32 size; + +#ifdef _WIN32 + if (get_utf8_argv(&argc, &argv) != 0) { + fprintf(stderr, "ERROR: failed to convert command line parameters to UTF-8\n"); + return 1; + } +#endif + + if(argc != 2) { + flac_fprintf(stderr, "usage: %s { file.wav | file.aif }\n", argv[0]); + return 1; + } + fn = argv[1]; + if(0 == (f = flac_fopen(fn, "rb")) || fread(buf, 1, 4, f) != 4) { + flac_fprintf(stderr, "ERROR opening %s for reading\n", fn); + return 1; + } + fclose(f); + if(0 == (fm = flac__foreign_metadata_new(memcmp(buf, "RIFF", 4) && memcmp(buf, "RF64", 4)? FOREIGN_BLOCK_TYPE__AIFF : FOREIGN_BLOCK_TYPE__RIFF))) { + flac_fprintf(stderr, "ERROR: out of memory\n"); + return 1; + } + if(fm->type == FOREIGN_BLOCK_TYPE__AIFF) { + if(!flac__foreign_metadata_read_from_aiff(fm, fn, &error)) { + flac_fprintf(stderr, "ERROR reading chunks from %s: %s\n", fn, error); + return 1; + } + } + else { + if(!flac__foreign_metadata_read_from_wave(fm, fn, &error)) { + flac_fprintf(stderr, "ERROR reading chunks from %s: %s\n", fn, error); + return 1; + } + } + if(0 == (f = flac_fopen(fn, "rb"))) { + flac_fprintf(stderr, "ERROR opening %s for reading\n", fn); + return 1; + } + for(i = 0; i < fm->num_blocks; i++) { + if(fseeko(f, fm->blocks[i].offset, SEEK_SET) < 0) { + flac_fprintf(stderr, "ERROR seeking in %s\n", fn); + return 1; + } + if(fread(buf, 1, i==0?12:8, f) != (i==0?12:8)) { + flac_fprintf(stderr, "ERROR reading %s\n", fn); + return 1; + } + size = unpack32_((FLAC__byte*)buf+4, fm->type); + printf("block:[%c%c%c%c] size=%08x=(%10u)", buf[0], buf[1], buf[2], buf[3], size, size); + if(i == 0) + printf(" type:[%c%c%c%c]", buf[8], buf[9], buf[10], buf[11]); + else if(fm->type == FOREIGN_BLOCK_TYPE__AIFF && i == fm->audio_block) + printf(" offset size=%08x=(%10u)", fm->ssnd_offset_size, fm->ssnd_offset_size); + else if(fm->type == FOREIGN_BLOCK_TYPE__RIFF && i == 1 && !memcmp(buf, "ds64", 4)) { + if(fread(buf+8, 1, 36-8, f) != 36-8) { + flac_fprintf(stderr, "ERROR reading %s\n", fn); + return 1; + } + printf("\n RIFF size=%016" PRIx64 "=(%20" PRIu64 ")", unpack64le_((FLAC__byte*)buf+8), unpack64le_((FLAC__byte*)buf+8)); + printf("\n data size=%016" PRIx64 "=(%20" PRIu64 ")", unpack64le_((FLAC__byte*)buf+16), unpack64le_((FLAC__byte*)buf+16)); + printf("\n sample count=%016" PRIx64 "=(%20" PRIu64 ")", unpack64le_((FLAC__byte*)buf+24), unpack64le_((FLAC__byte*)buf+24)); + printf("\n table size=%08x=(%10u)", unpack32le_((FLAC__byte*)buf+32), unpack32le_((FLAC__byte*)buf+32)); + } + printf("\n"); + } + fclose(f); + flac__foreign_metadata_delete(fm); + return 0; +} diff --git a/src/flac/local_string_utils.c b/src/flac/local_string_utils.c new file mode 100644 index 0000000..7e25233 --- /dev/null +++ b/src/flac/local_string_utils.c @@ -0,0 +1,109 @@ +/* flac - Command-line FLAC encoder/decoder + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include <string.h> + +#include "utils.h" +#include "local_string_utils.h" + +/* $OpenBSD: strlcpy.c,v 1.8 2003/06/17 21:56:24 millert Exp $ + * + * Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * + * Copy src to string dst of size siz. At most siz-1 characters + * will be copied. Always NUL terminates (unless siz == 0). + * Returns strlen(src); if retval >= siz, truncation occurred. + */ +size_t +flac__strlcpy(char *dst, const char *src, size_t siz) +{ + register char *d = dst; + register const char *s = src; + register size_t n = siz; + + /* Copy as many bytes as will fit */ + if (n != 0 && --n != 0) { + do { + if ((*d++ = *s++) == 0) + break; + } while (--n != 0); + } + + /* Not enough room in dst, add NUL and traverse rest of src */ + if (n == 0) { + if (siz != 0) + *d = '\0'; /* NUL-terminate dst */ + while (*s++) + ; + } + + return(s - src - 1); /* count does not include NUL */ +} + +/* $OpenBSD: strlcat.c,v 1.11 2003/06/17 21:56:24 millert Exp $ + * + * Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * + * Appends src to string dst of size siz (unlike strncat, siz is the + * full size of dst, not space left). At most siz-1 characters + * will be copied. Always NUL terminates (unless siz <= strlen(dst)). + * Returns strlen(src) + MIN(siz, strlen(initial dst)). + * If retval >= siz, truncation occurred. + */ +size_t +flac__strlcat(char *dst, const char *src, size_t siz) +{ + register char *d = dst; + register const char *s = src; + register size_t n = siz; + size_t dlen; + + /* Find the end of dst and adjust bytes left but don't go past end */ + while (n-- != 0 && *d != '\0') + d++; + dlen = d - dst; + n = siz - dlen; + + if (n == 0) + return(dlen + strlen(s)); + while (*s != '\0') { + if (n != 1) { + *d++ = *s; + n--; + } + s++; + } + *d = '\0'; + + return(dlen + (s - src)); /* count does not include NUL */ +} diff --git a/src/flac/local_string_utils.h b/src/flac/local_string_utils.h new file mode 100644 index 0000000..01f891f --- /dev/null +++ b/src/flac/local_string_utils.h @@ -0,0 +1,28 @@ +/* flac - Command-line FLAC encoder/decoder + * Copyright (C) 2002-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifndef flac__local_string_utils_h +#define flac__local_string_utils_h + +#include <stdlib.h> /* for size_t */ + +size_t flac__strlcpy(char *dst, const char *src, size_t siz); +size_t flac__strlcat(char *dst, const char *src, size_t siz); + +#endif diff --git a/src/flac/main.c b/src/flac/main.c new file mode 100644 index 0000000..c22e602 --- /dev/null +++ b/src/flac/main.c @@ -0,0 +1,2442 @@ +/* flac - Command-line FLAC encoder/decoder + * Copyright (C) 2000-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include <ctype.h> +#include <errno.h> +#include <locale.h> +#include <stdarg.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <time.h> + +#if !defined _MSC_VER && !defined __MINGW32__ +/* unlink is in stdio.h in VC++ */ +#include <unistd.h> /* for unlink() */ +#endif +#include "FLAC/all.h" +#include "share/alloc.h" +#include "share/grabbag.h" +#include "share/compat.h" +#include "share/endswap.h" +#include "share/safe_str.h" +#include "analyze.h" +#include "decode.h" +#include "encode.h" +#include "local_string_utils.h" /* for flac__strlcat() and flac__strlcpy() */ +#include "utils.h" +#include "vorbiscomment.h" + +#if 0 +/*[JEC] was:#if HAVE_GETOPT_LONG*/ +/*[JEC] see flac/include/share/getopt.h as to why the change */ +# include <getopt.h> +#else +# include "share/getopt.h" +#endif + +static int do_it(void); + +static FLAC__bool init_options(void); +static int parse_options(int argc, char *argv[]); +static int parse_option(int short_option, const char *long_option, const char *option_argument); +static void free_options(void); +static void add_compression_setting_bool(compression_setting_type_t type, FLAC__bool value); +static void add_compression_setting_string(compression_setting_type_t type, const char *value); +static void add_compression_setting_uint32_t(compression_setting_type_t type, uint32_t value); + +static int usage_error(const char *message, ...); +static void short_usage(void); +static void show_version(void); +static void show_help(void); +static void show_explain(void); +static void format_mistake(const char *infilename, FileFormat wrong, FileFormat right); + +static int encode_file(const char *infilename, FLAC__bool is_first_file, FLAC__bool is_last_file); +static int decode_file(const char *infilename); + +static const char *get_encoded_outfilename(const char *infilename); +static const char *get_decoded_outfilename(const char *infilename, const FileFormat format); +static const char *get_outfilename(const char *infilename, const char *suffix); + +static void die(const char *message); +static int conditional_fclose(FILE *f); +static char *local_strdup(const char *source); + +/* + * share__getopt format struct; note that for long options with no + * short option equivalent we just set the 'val' field to 0. + */ +static struct share__option long_options_[] = { + /* + * general options + */ + { "help" , share__no_argument, 0, 'h' }, + { "explain" , share__no_argument, 0, 'H' }, + { "version" , share__no_argument, 0, 'v' }, + { "decode" , share__no_argument, 0, 'd' }, + { "analyze" , share__no_argument, 0, 'a' }, + { "test" , share__no_argument, 0, 't' }, + { "stdout" , share__no_argument, 0, 'c' }, + { "silent" , share__no_argument, 0, 's' }, + { "totally-silent" , share__no_argument, 0, 0 }, + { "warnings-as-errors" , share__no_argument, 0, 'w' }, + { "force" , share__no_argument, 0, 'f' }, + { "delete-input-file" , share__no_argument, 0, 0 }, + { "preserve-modtime" , share__no_argument, 0, 0 }, + { "keep-foreign-metadata" , share__no_argument, 0, 0 }, + { "keep-foreign-metadata-if-present" , share__no_argument, 0, 0 }, + { "output-prefix" , share__required_argument, 0, 0 }, + { "output-name" , share__required_argument, 0, 'o' }, + { "skip" , share__required_argument, 0, 0 }, + { "until" , share__required_argument, 0, 0 }, + { "channel-map" , share__required_argument, 0, 0 }, /* undocumented */ + + /* + * decoding options + */ + { "decode-through-errors", share__no_argument, 0, 'F' }, + { "cue" , share__required_argument, 0, 0 }, + { "apply-replaygain-which-is-not-lossless", share__optional_argument, 0, 0 }, /* undocumented */ + + /* + * encoding options + */ + { "cuesheet" , share__required_argument, 0, 0 }, + { "no-cued-seekpoints" , share__no_argument, 0, 0 }, + { "picture" , share__required_argument, 0, 0 }, + { "tag" , share__required_argument, 0, 'T' }, + { "tag-from-file" , share__required_argument, 0, 0 }, + { "compression-level-0" , share__no_argument, 0, '0' }, + { "compression-level-1" , share__no_argument, 0, '1' }, + { "compression-level-2" , share__no_argument, 0, '2' }, + { "compression-level-3" , share__no_argument, 0, '3' }, + { "compression-level-4" , share__no_argument, 0, '4' }, + { "compression-level-5" , share__no_argument, 0, '5' }, + { "compression-level-6" , share__no_argument, 0, '6' }, + { "compression-level-7" , share__no_argument, 0, '7' }, + { "compression-level-8" , share__no_argument, 0, '8' }, + { "compression-level-9" , share__no_argument, 0, '9' }, + { "best" , share__no_argument, 0, '8' }, + { "fast" , share__no_argument, 0, '0' }, + { "verify" , share__no_argument, 0, 'V' }, + { "force-raw-format" , share__no_argument, 0, 0 }, + { "force-aiff-format" , share__no_argument, 0, 0 }, + { "force-rf64-format" , share__no_argument, 0, 0 }, + { "force-wave64-format" , share__no_argument, 0, 0 }, + { "force-legacy-wave-format" , share__no_argument, 0, 0 }, + { "force-extensible-wave-format",share__no_argument,0, 0 }, + { "force-aiff-c-none-format" , share__no_argument, 0, 0 }, + { "force-aiff-c-sowt-format" , share__no_argument, 0, 0 }, + { "lax" , share__no_argument, 0, 0 }, + { "replay-gain" , share__no_argument, 0, 0 }, + { "ignore-chunk-sizes" , share__no_argument, 0, 0 }, + { "seekpoint" , share__required_argument, 0, 'S' }, + { "padding" , share__required_argument, 0, 'P' }, +#if FLAC__HAS_OGG + { "ogg" , share__no_argument, 0, 0 }, + { "serial-number" , share__required_argument, 0, 0 }, +#endif + { "blocksize" , share__required_argument, 0, 'b' }, + { "exhaustive-model-search" , share__no_argument, 0, 'e' }, + { "max-lpc-order" , share__required_argument, 0, 'l' }, + { "apodization" , share__required_argument, 0, 'A' }, + { "mid-side" , share__no_argument, 0, 'm' }, + { "adaptive-mid-side" , share__no_argument, 0, 'M' }, + { "qlp-coeff-precision-search", share__no_argument, 0, 'p' }, + { "qlp-coeff-precision" , share__required_argument, 0, 'q' }, + { "rice-partition-order" , share__required_argument, 0, 'r' }, + { "endian" , share__required_argument, 0, 0 }, + { "channels" , share__required_argument, 0, 0 }, + { "bps" , share__required_argument, 0, 0 }, + { "sample-rate" , share__required_argument, 0, 0 }, + { "sign" , share__required_argument, 0, 0 }, + { "input-size" , share__required_argument, 0, 0 }, + { "error-on-compression-fail" , share__no_argument, 0, 0 }, + { "limit-min-bitrate" , share__no_argument, 0, 0 }, + + /* + * analysis options + */ + { "residual-gnuplot", share__no_argument, 0, 0 }, + { "residual-text", share__no_argument, 0, 0 }, + + /* + * negatives + */ + { "no-preserve-modtime" , share__no_argument, 0, 0 }, + { "no-decode-through-errors" , share__no_argument, 0, 0 }, + { "no-silent" , share__no_argument, 0, 0 }, + { "no-force" , share__no_argument, 0, 0 }, + { "no-seektable" , share__no_argument, 0, 0 }, + { "no-delete-input-file" , share__no_argument, 0, 0 }, + { "no-keep-foreign-metadata" , share__no_argument, 0, 0 }, + { "no-replay-gain" , share__no_argument, 0, 0 }, + { "no-ignore-chunk-sizes" , share__no_argument, 0, 0 }, + { "no-utf8-convert" , share__no_argument, 0, 0 }, + { "no-lax" , share__no_argument, 0, 0 }, +#if FLAC__HAS_OGG + { "no-ogg" , share__no_argument, 0, 0 }, +#endif + { "no-exhaustive-model-search", share__no_argument, 0, 0 }, + { "no-mid-side" , share__no_argument, 0, 0 }, + { "no-adaptive-mid-side" , share__no_argument, 0, 0 }, + { "no-qlp-coeff-prec-search" , share__no_argument, 0, 0 }, + { "no-padding" , share__no_argument, 0, 0 }, + { "no-verify" , share__no_argument, 0, 0 }, + { "no-warnings-as-errors" , share__no_argument, 0, 0 }, + { "no-residual-gnuplot" , share__no_argument, 0, 0 }, + { "no-residual-text" , share__no_argument, 0, 0 }, + { "no-error-on-compression-fail", share__no_argument, 0, 0 }, + /* + * undocumented debugging options for the test suite + */ + { "disable-constant-subframes", share__no_argument, 0, 0 }, + { "disable-fixed-subframes" , share__no_argument, 0, 0 }, + { "disable-verbatim-subframes", share__no_argument, 0, 0 }, + { "no-md5-sum" , share__no_argument, 0, 0 }, + + {0, 0, 0, 0} +}; + + +/* + * global to hold command-line option values + */ + +static struct { + FLAC__bool show_help; + FLAC__bool show_explain; + FLAC__bool show_version; + FLAC__bool mode_decode; + FLAC__bool verify; + FLAC__bool treat_warnings_as_errors; + FLAC__bool force_file_overwrite; + FLAC__bool continue_through_decode_errors; + replaygain_synthesis_spec_t replaygain_synthesis_spec; + FLAC__bool lax; + FLAC__bool test_only; + FLAC__bool analyze; + FLAC__bool use_ogg; + FLAC__bool has_serial_number; /* true iff --serial-number was used */ + long serial_number; /* this is the Ogg serial number and is unused for native FLAC */ + FLAC__bool force_to_stdout; + FLAC__bool force_raw_format; + FLAC__bool force_aiff_format; + FLAC__bool force_rf64_format; + FLAC__bool force_wave64_format; + FLAC__bool force_legacy_wave_format; + FLAC__bool force_extensible_wave_format; + FLAC__bool force_aiff_c_none_format; + FLAC__bool force_aiff_c_sowt_format; + FLAC__bool delete_input; + FLAC__bool preserve_modtime; + FLAC__bool keep_foreign_metadata; + FLAC__bool keep_foreign_metadata_if_present; + FLAC__bool replay_gain; + FLAC__bool ignore_chunk_sizes; + FLAC__bool utf8_convert; /* true by default, to convert tag strings from locale to utf-8, false if --no-utf8-convert used */ + const char *cmdline_forced_outfilename; + const char *output_prefix; + analysis_options aopts; + int padding; /* -1 => no -P options were given, 0 => -P- was given, else -P value */ + size_t num_compression_settings; + compression_setting_t compression_settings[64]; /* bad MAGIC NUMBER but buffer overflow is checked */ + const char *skip_specification; + const char *until_specification; + const char *cue_specification; + int format_is_big_endian; + int format_is_unsigned_samples; + int format_channels; + int format_bps; + int format_sample_rate; + FLAC__off_t format_input_size; + char requested_seek_points[5000]; /* bad MAGIC NUMBER but buffer overflow is checked */ + int num_requested_seek_points; /* -1 => no -S options were given, 0 => -S- was given */ + const char *cuesheet_filename; + FLAC__bool cued_seekpoints; + FLAC__bool channel_map_none; /* --channel-map=none specified, eventually will expand to take actual channel map */ + FLAC__bool error_on_compression_fail; + FLAC__bool limit_min_bitrate; + + uint32_t num_files; + char **filenames; + + FLAC__StreamMetadata *vorbis_comment; + FLAC__StreamMetadata *pictures[64]; + uint32_t num_pictures; + + struct { + FLAC__bool disable_constant_subframes; + FLAC__bool disable_fixed_subframes; + FLAC__bool disable_verbatim_subframes; + FLAC__bool do_md5; + } debug; +} option_values; + + +/* + * miscellaneous globals + */ + + +#ifndef FUZZ_TOOL_FLAC +int main(int argc, char *argv[]) +#else +static int main_to_fuzz(int argc, char *argv[]) +#endif +{ + int retval = 0; + +#ifdef __EMX__ + _response(&argc, &argv); + _wildcard(&argc, &argv); +#endif +#ifdef _WIN32 + if (get_utf8_argv(&argc, &argv) != 0) { + fprintf(stderr, "ERROR: failed to convert command line parameters to UTF-8\n"); + return 1; + } +#endif + + srand((uint32_t)time(0)); +#ifdef _WIN32 + { + const char *var; + var = getenv("LC_ALL"); + if (!var) + var = getenv("LC_NUMERIC"); + if (!var) + var = getenv("LANG"); + if (!var || strcmp(var, "C") != 0) + setlocale(LC_ALL, ""); + } +#else + setlocale(LC_ALL, ""); +#endif + if(!init_options()) { + flac__utils_printf(stderr, 1, "ERROR: allocating memory\n"); + retval = 1; + } + else { + if((retval = parse_options(argc, argv)) == 0) + retval = do_it(); + } + + free_options(); + + return retval; +} + +int do_it(void) +{ + int retval = 0; + + if(option_values.show_version) { + show_version(); + return 0; + } + else if(option_values.show_explain) { + show_explain(); + return 0; + } + else if(option_values.show_help) { + show_help(); + return 0; + } + else { + if(option_values.num_files == 0) { + if(flac__utils_verbosity_ >= 1) + short_usage(); + return 0; + } + + /* + * tweak options; validate the values + */ + if(!option_values.mode_decode) { + if(0 != option_values.cue_specification) + return usage_error("ERROR: --cue is not allowed in test mode\n"); + } + else { + if(option_values.test_only) { + if(0 != option_values.skip_specification) + return usage_error("ERROR: --skip is not allowed in test mode\n"); + if(0 != option_values.until_specification) + return usage_error("ERROR: --until is not allowed in test mode\n"); + if(0 != option_values.cue_specification) + return usage_error("ERROR: --cue is not allowed in test mode\n"); + if(0 != option_values.analyze) + return usage_error("ERROR: analysis mode (-a/--analyze) and test mode (-t/--test) cannot be used together\n"); + } + } + + if(0 != option_values.cue_specification && (0 != option_values.skip_specification || 0 != option_values.until_specification)) + return usage_error("ERROR: --cue may not be combined with --skip or --until\n"); + + if(option_values.format_channels >= 0) { + if(option_values.format_channels == 0 || (uint32_t)option_values.format_channels > FLAC__MAX_CHANNELS) + return usage_error("ERROR: invalid number of channels '%u', must be > 0 and <= %u\n", option_values.format_channels, FLAC__MAX_CHANNELS); + } + if(option_values.format_bps >= 0) { + if(option_values.format_bps != 8 && option_values.format_bps != 16 && option_values.format_bps != 24 && option_values.format_bps != 32) + return usage_error("ERROR: invalid bits per sample '%u' (must be 8/16/24/32)\n", option_values.format_bps); + } + if(option_values.format_sample_rate >= 0) { + if(!FLAC__format_sample_rate_is_valid(option_values.format_sample_rate)) + return usage_error("ERROR: invalid sample rate '%u', must be > 0 and <= %u\n", option_values.format_sample_rate, FLAC__MAX_SAMPLE_RATE); + } + if((option_values.force_raw_format?1:0) + + (option_values.force_aiff_format?1:0) + + (option_values.force_rf64_format?1:0) + + (option_values.force_wave64_format?1:0) + + (option_values.force_legacy_wave_format?1:0) + + (option_values.force_extensible_wave_format?1:0) + + (option_values.force_aiff_c_none_format?1:0) + + (option_values.force_aiff_c_sowt_format?1:0) + > 1) + return usage_error("ERROR: only one of force format options allowed\n"); + if(option_values.mode_decode) { + if(!option_values.force_raw_format) { + if(option_values.format_is_big_endian >= 0) + return usage_error("ERROR: --endian only allowed with --force-raw-format\n"); + if(option_values.format_is_unsigned_samples >= 0) + return usage_error("ERROR: --sign only allowed with --force-raw-format\n"); + } + if(option_values.format_channels >= 0) + return usage_error("ERROR: --channels not allowed with --decode\n"); + if(option_values.format_bps >= 0) + return usage_error("ERROR: --bps not allowed with --decode\n"); + if(option_values.format_sample_rate >= 0) + return usage_error("ERROR: --sample-rate not allowed with --decode\n"); + } + + if(option_values.ignore_chunk_sizes) { + if(option_values.mode_decode) + return usage_error("ERROR: --ignore-chunk-sizes only allowed for encoding\n"); + if(0 != option_values.until_specification) + return usage_error("ERROR: --ignore-chunk-sizes not allowed with --until\n"); + if(0 != option_values.cue_specification) + return usage_error("ERROR: --ignore-chunk-sizes not allowed with --cue\n"); + if(0 != option_values.cuesheet_filename) + return usage_error("ERROR: --ignore-chunk-sizes not allowed with --cuesheet\n"); + } + if(option_values.replay_gain) { + if(option_values.force_to_stdout) + return usage_error("ERROR: --replay-gain not allowed with -c/--stdout\n"); + if(option_values.mode_decode) + return usage_error("ERROR: --replay-gain only allowed for encoding\n"); + if(option_values.format_channels > 2) + return usage_error("ERROR: --replay-gain can only be done with mono/stereo input\n"); + if(option_values.format_sample_rate >= 0 && !grabbag__replaygain_is_valid_sample_frequency(option_values.format_sample_rate)) + return usage_error("ERROR: invalid sample rate used with --replay-gain\n"); + if( + (option_values.padding >= 0 && option_values.padding < (int)GRABBAG__REPLAYGAIN_MAX_TAG_SPACE_REQUIRED) || + (option_values.padding < 0 && FLAC_ENCODE__DEFAULT_PADDING < (int)GRABBAG__REPLAYGAIN_MAX_TAG_SPACE_REQUIRED) + ) { + flac__utils_printf(stderr, 1, "NOTE: --replay-gain may leave a small PADDING block even with --no-padding\n"); + } + } + if(option_values.num_files > 1 && option_values.cmdline_forced_outfilename) { + return usage_error("ERROR: -o/--output-name cannot be used with multiple files\n"); + } + if(option_values.cmdline_forced_outfilename && option_values.output_prefix) { + return usage_error("ERROR: --output-prefix conflicts with -o/--output-name\n"); + } + if(!option_values.mode_decode && 0 != option_values.cuesheet_filename && option_values.num_files > 1) { + return usage_error("ERROR: --cuesheet cannot be used when encoding multiple files\n"); + } + if(option_values.keep_foreign_metadata || option_values.keep_foreign_metadata_if_present) { + /* we're not going to try and support the re-creation of broken WAVE files */ + if(option_values.ignore_chunk_sizes) + return usage_error("ERROR: using --keep-foreign-metadata cannot be used with --ignore-chunk-sizes\n"); + if(option_values.test_only) + return usage_error("ERROR: --keep-foreign-metadata is not allowed in test mode\n"); + if(option_values.analyze) + return usage_error("ERROR: --keep-foreign-metadata is not allowed in analyis mode\n"); + flac__utils_printf(stderr, 1, "NOTE: --keep-foreign-metadata is a new feature; make sure to test the output file before deleting the original.\n"); + } + } + + flac__utils_printf(stderr, 2, "\n"); + flac__utils_printf(stderr, 2, "flac %s\n", FLAC__VERSION_STRING); + flac__utils_printf(stderr, 2, "Copyright (C) 2000-2009 Josh Coalson, 2011-2023 Xiph.Org Foundation\n"); + flac__utils_printf(stderr, 2, "flac comes with ABSOLUTELY NO WARRANTY. This is free software, and you are\n"); + flac__utils_printf(stderr, 2, "welcome to redistribute it under certain conditions. Type `flac' for details.\n\n"); + + if(option_values.mode_decode) { + FLAC__bool first = true; + + if(option_values.num_files == 0) { + retval = decode_file("-"); + } + else { + uint32_t i; + if(option_values.num_files > 1) + option_values.cmdline_forced_outfilename = 0; + for(i = 0, retval = 0; i < option_values.num_files; i++) { + if(0 == strcmp(option_values.filenames[i], "-") && !first) + continue; + retval |= decode_file(option_values.filenames[i]); + first = false; + } + } + } + else { /* encode */ + FLAC__bool first = true; + + if(option_values.ignore_chunk_sizes) + flac__utils_printf(stderr, 1, "INFO: Make sure you know what you're doing when using --ignore-chunk-sizes.\n Improper use can cause flac to encode non-audio data as audio.\n"); + + if(option_values.num_files == 0) { + retval = encode_file("-", first, true); + } + else { + uint32_t i; + if(option_values.num_files > 1) + option_values.cmdline_forced_outfilename = 0; + for(i = 0, retval = 0; i < option_values.num_files; i++) { + if(0 == strcmp(option_values.filenames[i], "-") && !first) + continue; + if(encode_file(option_values.filenames[i], first, i == (option_values.num_files-1))) + retval = 1; + else + first = false; + } + if(option_values.replay_gain && retval == 0) { + float album_gain, album_peak; + grabbag__replaygain_get_album(&album_gain, &album_peak); + for(i = 0; i < option_values.num_files; i++) { + const char *error, *outfilename = get_encoded_outfilename(option_values.filenames[i]); + if(0 == outfilename) { + flac__utils_printf(stderr, 1, "ERROR: filename too long: %s", option_values.filenames[i]); + return 1; + } + if(0 != (error = grabbag__replaygain_store_to_file_album(outfilename, album_gain, album_peak, option_values.preserve_modtime))) { + flac__utils_printf(stderr, 1, "%s: ERROR writing ReplayGain album tags (%s)\n", outfilename, error); + retval = 1; + } + } + } + } + } + + return retval; +} + +FLAC__bool init_options(void) +{ + option_values.show_help = false; + option_values.show_explain = false; + option_values.show_version = false; + option_values.mode_decode = false; + option_values.verify = false; + option_values.treat_warnings_as_errors = false; + option_values.force_file_overwrite = false; + option_values.continue_through_decode_errors = false; + option_values.replaygain_synthesis_spec.apply = false; + option_values.replaygain_synthesis_spec.use_album_gain = true; + option_values.replaygain_synthesis_spec.limiter = RGSS_LIMIT__HARD; + option_values.replaygain_synthesis_spec.noise_shaping = NOISE_SHAPING_LOW; + option_values.replaygain_synthesis_spec.preamp = 0.0; + option_values.lax = false; + option_values.test_only = false; + option_values.analyze = false; + option_values.use_ogg = false; + option_values.has_serial_number = false; + option_values.serial_number = 0; + option_values.force_to_stdout = false; + option_values.force_raw_format = false; + option_values.force_aiff_format = false; + option_values.force_rf64_format = false; + option_values.force_wave64_format = false; + option_values.force_legacy_wave_format = false; + option_values.force_extensible_wave_format = false; + option_values.force_aiff_c_none_format = false; + option_values.force_aiff_c_sowt_format = false; + option_values.delete_input = false; + option_values.preserve_modtime = true; + option_values.keep_foreign_metadata = false; + option_values.keep_foreign_metadata_if_present = false; + option_values.replay_gain = false; + option_values.ignore_chunk_sizes = false; + option_values.utf8_convert = true; + option_values.cmdline_forced_outfilename = 0; + option_values.output_prefix = 0; + option_values.aopts.do_residual_text = false; + option_values.aopts.do_residual_gnuplot = false; + option_values.padding = -1; + option_values.num_compression_settings = 1; + option_values.compression_settings[0].type = CST_COMPRESSION_LEVEL; + option_values.compression_settings[0].value.t_unsigned = 5; + option_values.skip_specification = 0; + option_values.until_specification = 0; + option_values.cue_specification = 0; + option_values.format_is_big_endian = -1; + option_values.format_is_unsigned_samples = -1; + option_values.format_channels = -1; + option_values.format_bps = -1; + option_values.format_sample_rate = -1; + option_values.format_input_size = (FLAC__off_t)(-1); + option_values.requested_seek_points[0] = '\0'; + option_values.num_requested_seek_points = -1; + option_values.cuesheet_filename = 0; + option_values.cued_seekpoints = true; + option_values.channel_map_none = false; + option_values.error_on_compression_fail = false; + option_values.limit_min_bitrate = false; + + option_values.num_files = 0; + option_values.filenames = 0; + + if(0 == (option_values.vorbis_comment = FLAC__metadata_object_new(FLAC__METADATA_TYPE_VORBIS_COMMENT))) + return false; + option_values.num_pictures = 0; + + option_values.debug.disable_constant_subframes = false; + option_values.debug.disable_fixed_subframes = false; + option_values.debug.disable_verbatim_subframes = false; + option_values.debug.do_md5 = true; + + return true; +} + +int parse_options(int argc, char *argv[]) +{ + int short_option; + int option_index = 1; + FLAC__bool had_error = false; + const char *short_opts = "0123456789aA:b:cdefFhHl:mMo:pP:q:r:sS:tT:vVw"; + + while ((short_option = share__getopt_long(argc, argv, short_opts, long_options_, &option_index)) != -1) { + switch (short_option) { + case 0: /* long option with no equivalent short option */ + had_error |= (parse_option(short_option, long_options_[option_index].name, share__optarg) != 0); + break; + case '?': + case ':': + had_error = true; + break; + default: /* short option */ + had_error |= (parse_option(short_option, 0, share__optarg) != 0); + break; + } + } + + if(had_error) { + return 1; + } + + FLAC__ASSERT(share__optind <= argc); + + option_values.num_files = argc - share__optind; + + if(option_values.num_files > 0) { + uint32_t i = 0; + if(0 == (option_values.filenames = malloc(sizeof(char*) * option_values.num_files))) + die("out of memory allocating space for file names list"); + while(share__optind < argc) + option_values.filenames[i++] = local_strdup(argv[share__optind++]); + } + + return 0; +} + +int parse_option(int short_option, const char *long_option, const char *option_argument) +{ + const char *violation; + + if(short_option == 0) { + FLAC__ASSERT(0 != long_option); + if(0 == strcmp(long_option, "totally-silent")) { + flac__utils_verbosity_ = 0; + } + else if(0 == strcmp(long_option, "delete-input-file")) { + option_values.delete_input = true; + } + else if(0 == strcmp(long_option, "preserve-modtime")) { + option_values.preserve_modtime = true; + } + else if(0 == strcmp(long_option, "keep-foreign-metadata")) { + option_values.keep_foreign_metadata = true; + } + else if(0 == strcmp(long_option, "keep-foreign-metadata-if-present")) { + option_values.keep_foreign_metadata_if_present = true; + } + else if(0 == strcmp(long_option, "output-prefix")) { + FLAC__ASSERT(0 != option_argument); + option_values.output_prefix = option_argument; + } + else if(0 == strcmp(long_option, "skip")) { + FLAC__ASSERT(0 != option_argument); + option_values.skip_specification = option_argument; + } + else if(0 == strcmp(long_option, "until")) { + FLAC__ASSERT(0 != option_argument); + option_values.until_specification = option_argument; + } + else if(0 == strcmp(long_option, "input-size")) { + FLAC__ASSERT(0 != option_argument); + { + char *end; + FLAC__int64 ix; + ix = strtoll(option_argument, &end, 10); + if(0 == strlen(option_argument) || *end) + return usage_error("ERROR: --%s must be a number\n", long_option); + option_values.format_input_size = (FLAC__off_t)ix; + if(option_values.format_input_size != ix) /* check if FLAC__off_t is smaller than long long */ + return usage_error("ERROR: --%s too large; this build of flac does not support filesizes over 2GB\n", long_option); + if(option_values.format_input_size <= 0) + return usage_error("ERROR: --%s must be > 0\n", long_option); + } + } + else if(0 == strcmp(long_option, "cue")) { + FLAC__ASSERT(0 != option_argument); + option_values.cue_specification = option_argument; + } + else if(0 == strcmp(long_option, "apply-replaygain-which-is-not-lossless")) { + option_values.replaygain_synthesis_spec.apply = true; + if (0 != option_argument) { + char *p; + option_values.replaygain_synthesis_spec.limiter = RGSS_LIMIT__NONE; + option_values.replaygain_synthesis_spec.noise_shaping = NOISE_SHAPING_NONE; + option_values.replaygain_synthesis_spec.preamp = strtod(option_argument, &p); + for ( ; *p; p++) { + if (*p == 'a') + option_values.replaygain_synthesis_spec.use_album_gain = true; + else if (*p == 't') + option_values.replaygain_synthesis_spec.use_album_gain = false; + else if (*p == 'l') + option_values.replaygain_synthesis_spec.limiter = RGSS_LIMIT__PEAK; + else if (*p == 'L') + option_values.replaygain_synthesis_spec.limiter = RGSS_LIMIT__HARD; + else if (*p == 'n' && p[1] >= '0' && p[1] <= '3') { + option_values.replaygain_synthesis_spec.noise_shaping = p[1] - '0'; + p++; + } + else + return usage_error("ERROR: bad specification string \"%s\" for --%s\n", option_argument, long_option); + } + } + } + else if(0 == strcmp(long_option, "channel-map")) { + if (0 == option_argument || strcmp(option_argument, "none")) + return usage_error("ERROR: only --channel-map=none currently supported\n"); + option_values.channel_map_none = true; + } + else if(0 == strcmp(long_option, "cuesheet")) { + FLAC__ASSERT(0 != option_argument); + option_values.cuesheet_filename = option_argument; + } + else if(0 == strcmp(long_option, "picture")) { + const uint32_t max_pictures = sizeof(option_values.pictures)/sizeof(option_values.pictures[0]); + FLAC__ASSERT(0 != option_argument); + if(option_values.num_pictures >= max_pictures) + return usage_error("ERROR: too many --picture arguments, only %u allowed\n", max_pictures); + if(0 == (option_values.pictures[option_values.num_pictures] = grabbag__picture_parse_specification(option_argument, &violation))) + return usage_error("ERROR: (--picture) %s\n", violation); + option_values.num_pictures++; + } + else if(0 == strcmp(long_option, "tag-from-file")) { + FLAC__ASSERT(0 != option_argument); + if(!flac__vorbiscomment_add(option_values.vorbis_comment, option_argument, /*value_from_file=*/true, /*raw=*/!option_values.utf8_convert, &violation)) + return usage_error("ERROR: (--tag-from-file) %s\n", violation); + } + else if(0 == strcmp(long_option, "no-cued-seekpoints")) { + option_values.cued_seekpoints = false; + } + else if(0 == strcmp(long_option, "force-raw-format")) { + option_values.force_raw_format = true; + } + else if(0 == strcmp(long_option, "force-aiff-format")) { + option_values.force_aiff_format = true; + } + else if(0 == strcmp(long_option, "force-rf64-format")) { + option_values.force_rf64_format = true; + } + else if(0 == strcmp(long_option, "force-wave64-format")) { + option_values.force_wave64_format = true; + } + else if(0 == strcmp(long_option, "force-legacy-wave-format")) { + option_values.force_legacy_wave_format = true; + } + else if(0 == strcmp(long_option, "force-extensible-wave-format")) { + option_values.force_extensible_wave_format = true; + } + else if(0 == strcmp(long_option, "force-aiff-c-none-format")) { + option_values.force_aiff_c_none_format = true; + } + else if(0 == strcmp(long_option, "force-aiff-c-sowt-format")) { + option_values.force_aiff_c_sowt_format = true; + } + else if(0 == strcmp(long_option, "lax")) { + option_values.lax = true; + } + else if(0 == strcmp(long_option, "replay-gain")) { + option_values.replay_gain = true; + } + else if(0 == strcmp(long_option, "ignore-chunk-sizes")) { + option_values.ignore_chunk_sizes = true; + } +#if FLAC__HAS_OGG + else if(0 == strcmp(long_option, "ogg")) { + option_values.use_ogg = true; + } + else if(0 == strcmp(long_option, "serial-number")) { + option_values.has_serial_number = true; + option_values.serial_number = atol(option_argument); + } +#endif + else if(0 == strcmp(long_option, "endian")) { + FLAC__ASSERT(0 != option_argument); + if(0 == strncmp(option_argument, "big", strlen(option_argument))) + option_values.format_is_big_endian = true; + else if(0 == strncmp(option_argument, "little", strlen(option_argument))) + option_values.format_is_big_endian = false; + else + return usage_error("ERROR: argument to --endian must be \"big\" or \"little\"\n"); + } + else if(0 == strcmp(long_option, "channels")) { + FLAC__ASSERT(0 != option_argument); + option_values.format_channels = atoi(option_argument); + } + else if(0 == strcmp(long_option, "bps")) { + FLAC__ASSERT(0 != option_argument); + option_values.format_bps = atoi(option_argument); + } + else if(0 == strcmp(long_option, "sample-rate")) { + FLAC__ASSERT(0 != option_argument); + option_values.format_sample_rate = atoi(option_argument); + } + else if(0 == strcmp(long_option, "sign")) { + FLAC__ASSERT(0 != option_argument); + if(0 == strncmp(option_argument, "signed", strlen(option_argument))) + option_values.format_is_unsigned_samples = false; + else if(0 == strncmp(option_argument, "unsigned", strlen(option_argument))) + option_values.format_is_unsigned_samples = true; + else + return usage_error("ERROR: argument to --sign must be \"signed\" or \"unsigned\"\n"); + } + else if(0 == strcmp(long_option, "residual-gnuplot")) { + option_values.aopts.do_residual_gnuplot = true; + } + else if(0 == strcmp(long_option, "residual-text")) { + option_values.aopts.do_residual_text = true; + } + else if(0 == strcmp(long_option, "limit-min-bitrate")) { + option_values.limit_min_bitrate = true; + } + /* + * negatives + */ + else if(0 == strcmp(long_option, "no-preserve-modtime")) { + option_values.preserve_modtime = false; + } + else if(0 == strcmp(long_option, "no-decode-through-errors")) { + option_values.continue_through_decode_errors = false; + } + else if(0 == strcmp(long_option, "no-silent")) { +#ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION + flac__utils_verbosity_ = 2; +#endif + } + else if(0 == strcmp(long_option, "no-force")) { + option_values.force_file_overwrite = false; + } + else if(0 == strcmp(long_option, "no-seektable")) { + option_values.num_requested_seek_points = 0; + option_values.requested_seek_points[0] = '\0'; + } + else if(0 == strcmp(long_option, "no-delete-input-file")) { + option_values.delete_input = false; + } + else if(0 == strcmp(long_option, "no-keep-foreign-metadata")) { + option_values.keep_foreign_metadata = false; + option_values.keep_foreign_metadata_if_present = false; + } + else if(0 == strcmp(long_option, "no-replay-gain")) { + option_values.replay_gain = false; + } + else if(0 == strcmp(long_option, "no-ignore-chunk-sizes")) { + option_values.ignore_chunk_sizes = false; + } + else if(0 == strcmp(long_option, "no-utf8-convert")) { + option_values.utf8_convert = false; + } + else if(0 == strcmp(long_option, "no-lax")) { + option_values.lax = false; + } +#if FLAC__HAS_OGG + else if(0 == strcmp(long_option, "no-ogg")) { + option_values.use_ogg = false; + } +#endif + else if(0 == strcmp(long_option, "no-exhaustive-model-search")) { + add_compression_setting_bool(CST_DO_EXHAUSTIVE_MODEL_SEARCH, false); + } + else if(0 == strcmp(long_option, "no-mid-side")) { + add_compression_setting_bool(CST_DO_MID_SIDE, false); + add_compression_setting_bool(CST_LOOSE_MID_SIDE, false); + } + else if(0 == strcmp(long_option, "no-adaptive-mid-side")) { + add_compression_setting_bool(CST_DO_MID_SIDE, false); + add_compression_setting_bool(CST_LOOSE_MID_SIDE, false); + } + else if(0 == strcmp(long_option, "no-qlp-coeff-prec-search")) { + add_compression_setting_bool(CST_DO_QLP_COEFF_PREC_SEARCH, false); + } + else if(0 == strcmp(long_option, "no-padding")) { + option_values.padding = 0; + } + else if(0 == strcmp(long_option, "no-verify")) { + option_values.verify = false; + } + else if(0 == strcmp(long_option, "no-warnings-as-errors")) { + option_values.treat_warnings_as_errors = false; + } + else if(0 == strcmp(long_option, "no-residual-gnuplot")) { + option_values.aopts.do_residual_gnuplot = false; + } + else if(0 == strcmp(long_option, "no-residual-text")) { + option_values.aopts.do_residual_text = false; + } + else if(0 == strcmp(long_option, "disable-constant-subframes")) { + option_values.debug.disable_constant_subframes = true; + } + else if(0 == strcmp(long_option, "disable-fixed-subframes")) { + option_values.debug.disable_fixed_subframes = true; + } + else if(0 == strcmp(long_option, "disable-verbatim-subframes")) { + option_values.debug.disable_verbatim_subframes = true; + } + else if(0 == strcmp(long_option, "no-md5-sum")) { + option_values.debug.do_md5 = false; + } + else if(0 == strcmp(long_option, "no-error-on-compression-fail")) { + option_values.error_on_compression_fail = false; + } + else if(0 == strcmp(long_option, "error-on-compression-fail")) { + option_values.error_on_compression_fail = true; + } + } + else { + switch(short_option) { + case 'h': + option_values.show_help = true; + break; + case 'H': + option_values.show_explain = true; + break; + case 'v': + option_values.show_version = true; + break; + case 'd': + option_values.mode_decode = true; + break; + case 'a': + option_values.mode_decode = true; + option_values.analyze = true; + break; + case 't': + option_values.mode_decode = true; + option_values.test_only = true; + break; + case 'c': + option_values.force_to_stdout = true; + break; + case 's': +#ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION + flac__utils_verbosity_ = 1; +#endif + break; + case 'f': + option_values.force_file_overwrite = true; + break; + case 'o': + FLAC__ASSERT(0 != option_argument); + option_values.cmdline_forced_outfilename = option_argument; + break; + case 'F': + option_values.continue_through_decode_errors = true; + break; + case 'T': + FLAC__ASSERT(0 != option_argument); + if(!flac__vorbiscomment_add(option_values.vorbis_comment, option_argument, /*value_from_file=*/false, /*raw=*/!option_values.utf8_convert, &violation)) + return usage_error("ERROR: (-T/--tag) %s\n", violation); + break; + case '0': + case '1': + case '2': + case '3': + case '4': + case '5': + case '6': + case '7': + case '8': + add_compression_setting_uint32_t(CST_COMPRESSION_LEVEL, short_option-'0'); + break; + case '9': + return usage_error("ERROR: compression level '9' is reserved\n"); + case 'V': + option_values.verify = true; + break; + case 'w': + option_values.treat_warnings_as_errors = true; + break; + case 'S': + FLAC__ASSERT(0 != option_argument); + if(0 == strcmp(option_argument, "-")) { + option_values.num_requested_seek_points = 0; + option_values.requested_seek_points[0] = '\0'; + } + else { + if(option_values.num_requested_seek_points < 0) + option_values.num_requested_seek_points = 0; + option_values.num_requested_seek_points++; + if(strlen(option_values.requested_seek_points)+strlen(option_argument)+2 >= sizeof(option_values.requested_seek_points)) { + return usage_error("ERROR: too many seekpoints requested\n"); + } + else { + size_t len = strlen(option_values.requested_seek_points); + flac_snprintf(option_values.requested_seek_points+len, sizeof(option_values.requested_seek_points) - len, "%s;", option_argument); + } + } + break; + case 'P': + FLAC__ASSERT(0 != option_argument); + option_values.padding = atoi(option_argument); + if(option_values.padding < 0) + return usage_error("ERROR: argument to -%c must be >= 0; for no padding use -%c-\n", short_option, short_option); + break; + case 'b': + { + uint32_t i ; + FLAC__ASSERT(0 != option_argument); + i = atoi(option_argument); + if((i < (int)FLAC__MIN_BLOCK_SIZE || i > (int)FLAC__MAX_BLOCK_SIZE)) + return usage_error("ERROR: invalid blocksize (-%c) '%d', must be >= %u and <= %u\n", short_option, i, FLAC__MIN_BLOCK_SIZE, FLAC__MAX_BLOCK_SIZE); + add_compression_setting_uint32_t(CST_BLOCKSIZE, (uint32_t)i); + } + break; + case 'e': + add_compression_setting_bool(CST_DO_EXHAUSTIVE_MODEL_SEARCH, true); + break; + case 'E': + add_compression_setting_bool(CST_DO_ESCAPE_CODING, true); + break; + case 'l': + { + uint32_t i ; + FLAC__ASSERT(0 != option_argument); + i = atoi(option_argument); + if(i > FLAC__MAX_LPC_ORDER) + return usage_error("ERROR: invalid LPC order (-%c) '%d', must be >= %u and <= %u\n", short_option, i, 0, FLAC__MAX_LPC_ORDER); + add_compression_setting_uint32_t(CST_MAX_LPC_ORDER, i); + } + break; + case 'A': + FLAC__ASSERT(0 != option_argument); + add_compression_setting_string(CST_APODIZATION, option_argument); + break; + case 'm': + add_compression_setting_bool(CST_DO_MID_SIDE, true); + add_compression_setting_bool(CST_LOOSE_MID_SIDE, false); + break; + case 'M': + add_compression_setting_bool(CST_DO_MID_SIDE, true); + add_compression_setting_bool(CST_LOOSE_MID_SIDE, true); + break; + case 'p': + add_compression_setting_bool(CST_DO_QLP_COEFF_PREC_SEARCH, true); + break; + case 'q': + { + uint32_t i ; + FLAC__ASSERT(0 != option_argument); + i = atoi(option_argument); + if((i > 0 && (i < FLAC__MIN_QLP_COEFF_PRECISION || i > FLAC__MAX_QLP_COEFF_PRECISION))) + return usage_error("ERROR: invalid value '%d' for qlp coeff precision (-%c), must be 0 or between %u and %u, inclusive\n", i, short_option, FLAC__MIN_QLP_COEFF_PRECISION, FLAC__MAX_QLP_COEFF_PRECISION); + add_compression_setting_uint32_t(CST_QLP_COEFF_PRECISION, i); + } + break; + case 'r': + { + uint32_t i; + char * p; + FLAC__ASSERT(0 != option_argument); + p = strchr(option_argument, ','); + if(0 == p) { + add_compression_setting_uint32_t(CST_MIN_RESIDUAL_PARTITION_ORDER, 0); + i = atoi(option_argument); + if(i > FLAC__MAX_RICE_PARTITION_ORDER) + return usage_error("ERROR: invalid value '%d' for residual partition order (-%c), must be between 0 and %u, inclusive\n", i, short_option, FLAC__MAX_RICE_PARTITION_ORDER); + add_compression_setting_uint32_t(CST_MAX_RESIDUAL_PARTITION_ORDER, i); + } + else { + i = atoi(option_argument); + if(i > FLAC__MAX_RICE_PARTITION_ORDER) + return usage_error("ERROR: invalid value '%d' for min residual partition order (-%c), must be between 0 and %u, inclusive\n", i, short_option, FLAC__MAX_RICE_PARTITION_ORDER); + add_compression_setting_uint32_t(CST_MIN_RESIDUAL_PARTITION_ORDER, i); + i = atoi(++p); + if(i > FLAC__MAX_RICE_PARTITION_ORDER) + return usage_error("ERROR: invalid value '%d' for max residual partition order (-%c), must be between 0 and %u, inclusive\n", i, short_option, FLAC__MAX_RICE_PARTITION_ORDER); + add_compression_setting_uint32_t(CST_MAX_RESIDUAL_PARTITION_ORDER, i); + } + } + break; + case 'R': + { + uint32_t i; + i = atoi(option_argument); + add_compression_setting_uint32_t(CST_RICE_PARAMETER_SEARCH_DIST, i); + } + break; + default: + FLAC__ASSERT(0); + } + } + + return 0; +} + +void free_options(void) +{ + uint32_t i; + if(0 != option_values.filenames) { + for(i = 0; i < option_values.num_files; i++) { + if(0 != option_values.filenames[i]) + free(option_values.filenames[i]); + } + free(option_values.filenames); + } + if(0 != option_values.vorbis_comment) + FLAC__metadata_object_delete(option_values.vorbis_comment); + for(i = 0; i < option_values.num_pictures; i++) + FLAC__metadata_object_delete(option_values.pictures[i]); +} + +void add_compression_setting_bool(compression_setting_type_t type, FLAC__bool value) +{ + if(option_values.num_compression_settings >= sizeof(option_values.compression_settings)/sizeof(option_values.compression_settings[0])) +#ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION + die("too many compression settings"); +#else + return; +#endif + option_values.compression_settings[option_values.num_compression_settings].type = type; + option_values.compression_settings[option_values.num_compression_settings].value.t_bool = value; + option_values.num_compression_settings++; +} + +void add_compression_setting_string(compression_setting_type_t type, const char *value) +{ + if(option_values.num_compression_settings >= sizeof(option_values.compression_settings)/sizeof(option_values.compression_settings[0])) +#ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION + die("too many compression settings"); +#else + return; +#endif + option_values.compression_settings[option_values.num_compression_settings].type = type; + option_values.compression_settings[option_values.num_compression_settings].value.t_string = value; + option_values.num_compression_settings++; +} + +void add_compression_setting_uint32_t(compression_setting_type_t type, uint32_t value) +{ + if(option_values.num_compression_settings >= sizeof(option_values.compression_settings)/sizeof(option_values.compression_settings[0])) +#ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION + die("too many compression settings"); +#else + return; +#endif + if(type == CST_COMPRESSION_LEVEL) { + /* Compression level always goes first */ + option_values.compression_settings[0].type = type; + option_values.compression_settings[0].value.t_unsigned = value; + } + else { + option_values.compression_settings[option_values.num_compression_settings].type = type; + option_values.compression_settings[option_values.num_compression_settings].value.t_unsigned = value; + option_values.num_compression_settings++; + } +} + +int usage_error(const char *message, ...) +{ + if(flac__utils_verbosity_ >= 1) { + va_list args; + + FLAC__ASSERT(0 != message); + + va_start(args, message); + +#ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION + (void) vfprintf(stderr, message, args); +#endif + + va_end(args); + + printf("Type \"flac\" for a usage summary or \"flac --help\" for all options\n"); + } + + return 1; +} + +void show_version(void) +{ + printf("flac %s\n", FLAC__VERSION_STRING); +} + +static void usage_header(void) +{ + printf("===============================================================================\n"); + printf("flac - Command-line FLAC encoder/decoder version %s\n", FLAC__VERSION_STRING); + printf("Copyright (C) 2000-2009 Josh Coalson\n"); + printf("Copyright (C) 2011-2023 Xiph.Org Foundation\n"); + printf("\n"); + printf("This program is free software; you can redistribute it and/or\n"); + printf("modify it under the terms of the GNU General Public License\n"); + printf("as published by the Free Software Foundation; either version 2\n"); + printf("of the License, or (at your option) any later version.\n"); + printf("\n"); + printf("This program is distributed in the hope that it will be useful,\n"); + printf("but WITHOUT ANY WARRANTY; without even the implied warranty of\n"); + printf("MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"); + printf("GNU General Public License for more details.\n"); + printf("\n"); + printf("You should have received a copy of the GNU General Public License along\n"); + printf("with this program; if not, write to the Free Software Foundation, Inc.,\n"); + printf("51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.\n"); + printf("===============================================================================\n"); +} + +static void usage_summary(void) +{ + printf("Usage:\n"); + printf("\n"); + printf(" Encoding: flac [<general/encoding/format options>] [INPUTFILE [...]]\n"); + printf(" Decoding: flac -d [<general/decoding/format options>] [FLACFILE [...]]\n"); + printf(" Testing: flac -t [<general options>] [FLACFILE [...]]\n"); + printf("Analyzing: flac -a [<general/analysis options>] [FLACFILE [...]]\n"); + printf("\n"); + printf("Be sure to read the list of known bugs at:\n"); + printf("http://xiph.org/flac/documentation_bugs.html\n"); + printf("\n"); +} + +void short_usage(void) +{ + usage_header(); + printf("\n"); + printf("This is the short help; for all options use 'flac --help'; for even more\n"); + printf("instructions use 'flac --explain'\n"); + printf("\n"); + printf("Be sure to read the list of known bugs at:\n"); + printf("http://xiph.org/flac/documentation_bugs.html\n"); + printf("\n"); + printf("To encode:\n"); + printf(" flac [-#] [INPUTFILE [...]]\n"); + printf("\n"); + printf(" -# is -0 (fastest compression) to -8 (highest compression); -5 is the default\n"); + printf("\n"); + printf("To decode:\n"); + printf(" flac -d [INPUTFILE [...]]\n"); + printf("\n"); + printf("To test:\n"); + printf(" flac -t [INPUTFILE [...]]\n"); +} + +void show_help(void) +{ + usage_header(); + usage_summary(); + printf("general options:\n"); + printf(" -v, --version Show the flac version number\n"); + printf(" -h, --help Show this screen\n"); + printf(" -H, --explain Show detailed explanation of usage and options\n"); + printf(" -d, --decode Decode (the default behavior is to encode)\n"); + printf(" -t, --test Same as -d except no decoded file is written\n"); + printf(" -a, --analyze Same as -d except an analysis file is written\n"); + printf(" -c, --stdout Write output to stdout\n"); + printf(" -s, --silent Do not write runtime encode/decode statistics\n"); + printf(" --totally-silent Do not print anything, including errors\n"); + printf(" --no-utf8-convert Do not convert tags from local charset to UTF-8\n"); + printf(" -w, --warnings-as-errors Treat all warnings as errors\n"); + printf(" -f, --force Force overwriting of output files\n"); + printf(" -o, --output-name=FILENAME Force the output file name\n"); + printf(" --output-prefix=STRING Prepend STRING to output names\n"); + printf(" --delete-input-file Deletes after a successful encode/decode\n"); + printf(" --preserve-modtime Output files keep timestamp of input (default)\n"); + printf(" --keep-foreign-metadata Save/restore WAVE or AIFF non-audio chunks\n"); + printf(" --keep-foreign-metadata-if-present Save/restore WAVE or AIFF non-audio\n"); + printf(" but not return an error when no such chunks are found\n"); + printf(" --skip={#|mm:ss.ss} Skip the given initial samples for each input\n"); + printf(" --until={#|[+|-]mm:ss.ss} Stop at the given sample for each input file\n"); +#if FLAC__HAS_OGG + printf(" --ogg Use Ogg as transport layer\n"); + printf(" --serial-number Serial number to use for the FLAC stream\n"); +#endif + printf("analysis options:\n"); + printf(" --residual-text Include residual signal in text output\n"); + printf(" --residual-gnuplot Generate gnuplot files of residual distribution\n"); + printf("decoding options:\n"); + printf(" -F, --decode-through-errors Continue decoding through stream errors\n"); + printf(" --cue=[#.#][-[#.#]] Set the beginning and ending cuepoints to decode\n"); + printf("encoding options:\n"); + printf(" -V, --verify Verify a correct encoding\n"); + printf(" --lax Allow encoder to generate non-Subset files\n"); + printf(" --ignore-chunk-sizes Ignore data chunk sizes in WAVE/AIFF files\n"); + printf(" --replay-gain Calculate ReplayGain & store in FLAC tags\n"); + printf(" --cuesheet=FILENAME Import cuesheet and store in CUESHEET block\n"); + printf(" --picture=SPECIFICATION Import picture and store in PICTURE block\n"); + printf(" -T, --tag=FIELD=VALUE Add a FLAC tag; may appear multiple times\n"); + printf(" --tag-from-file=FIELD=FILENAME Like --tag but gets value from file\n"); + printf(" -S, --seekpoint={#|X|#x|#s} Add seek point(s)\n"); + printf(" -P, --padding=# Write a PADDING block of length #\n"); + printf(" -0, --compression-level-0, --fast Synonymous with -l 0 -b 1152 -r 3\n"); + printf(" -1, --compression-level-1 Synonymous with -l 0 -b 1152 -M -r 3\n"); + printf(" -2, --compression-level-2 Synonymous with -l 0 -b 1152 -m -r 3\n"); + printf(" -3, --compression-level-3 Synonymous with -l 6 -b 4096 -r 4\n"); + printf(" -4, --compression-level-4 Synonymous with -l 8 -b 4096 -M -r 4\n"); + printf(" -5, --compression-level-5 Synonymous with -l 8 -b 4096 -m -r 5\n"); + printf(" -6, --compression-level-6 Synonymous with -l 8 -b 4096 -m -r 6\n"); + printf(" -A subdivide_tukey(2)\n"); + printf(" -7, --compression-level-7 Synonymous with -l 12 -b 4096 -m -r 6\n"); + printf(" -A subdivide_tukey(2)\n"); + printf(" -8, --compression-level-8, --best Synonymous with -l 12 -b 4096 -m -r 6\n"); + printf(" -A subdivide_tukey(3)\n"); + printf(" -b, --blocksize=# Specify blocksize in samples\n"); + printf(" -m, --mid-side Try mid-side coding for each frame\n"); + printf(" -M, --adaptive-mid-side Adaptive mid-side coding for all frames\n"); + printf(" -e, --exhaustive-model-search Do exhaustive model search (expensive!)\n"); + printf(" -A, --apodization=\"function\" Window audio data with given the function\n"); + printf(" -l, --max-lpc-order=# Max LPC order; 0 => only fixed predictors\n"); + printf(" -p, --qlp-coeff-precision-search Exhaustively search LP coeff quantization\n"); + printf(" -q, --qlp-coeff-precision=# Specify precision in bits\n"); + printf(" -r, --rice-partition-order=[#,]# Set [min,]max residual partition order\n"); + printf(" --limit-min-bitrate Limit minimum bitrate (for streaming)\n"); + printf("format options:\n"); + printf(" --force-raw-format Treat input or output as raw samples\n"); + printf(" --force-aiff-format Decode to AIFF format\n"); + printf(" --force-rf64-format Decode to RF64 format\n"); + printf(" --force-wave64-format Decode to Wave64 format\n"); + printf(" --force-legacy-wave-format Decode to legacy wave format\n"); + printf(" --force-extensible-wave-format Decode to extensible wave format\n"); + printf(" --force-aiff-c-none-format Decode to AIFF-C NONE format\n"); + printf(" --force-aiff-c-sowt-format Decode to AIFF-C sowt format\n"); + printf("raw format options:\n"); + printf(" --endian={big|little} Set byte order for samples\n"); + printf(" --channels=# Number of channels\n"); + printf(" --bps=# Number of bits per sample\n"); + printf(" --sample-rate=# Sample rate in Hz\n"); + printf(" --sign={signed|unsigned} Sign of samples\n"); + printf(" --input-size=# Size of the raw input in bytes\n"); + printf("negative options:\n"); + printf(" --no-adaptive-mid-side\n"); + printf(" --no-cued-seekpoints\n"); + printf(" --no-decode-through-errors\n"); + printf(" --no-delete-input-file\n"); + printf(" --no-error-on-compression-fail\n"); + printf(" --no-preserve-modtime\n"); + printf(" --no-keep-foreign-metadata\n"); + printf(" --no-exhaustive-model-search\n"); + printf(" --no-lax\n"); + printf(" --no-mid-side\n"); +#if FLAC__HAS_OGG + printf(" --no-ogg\n"); +#endif + printf(" --no-padding\n"); + printf(" --no-qlp-coeff-prec-search\n"); + printf(" --no-replay-gain\n"); + printf(" --no-residual-gnuplot\n"); + printf(" --no-residual-text\n"); + printf(" --no-ignore-chunk-sizes\n"); + printf(" --no-seektable\n"); + printf(" --no-silent\n"); + printf(" --no-force\n"); + printf(" --no-verify\n"); + printf(" --no-warnings-as-errors\n"); +} + +void show_explain(void) +{ + usage_header(); + usage_summary(); + printf("For encoding:\n"); + printf(" The input file(s) may be a PCM WAVE, Wave64, RF64 file, AIFF (or uncompressed\n"); + printf(" AIFF-C) file, or raw samples. The output file(s) will be in native FLAC\n"); + printf(" or Ogg FLAC format\n"); + printf("For decoding, the reverse is true.\n"); + printf("\n"); + printf("A single INPUTFILE may be - for stdin. No INPUTFILE implies stdin. Use of\n"); + printf("stdin implies -c (write to stdout). Normally you should use:\n"); + printf(" flac [options] -o outfilename or flac -d [options] -o outfilename\n"); + printf("instead of:\n"); + printf(" flac [options] > outfilename or flac -d [options] > outfilename\n"); + printf("since the former allows flac to seek backwards to write the STREAMINFO or\n"); + printf("WAVE/AIFF header contents when necessary.\n"); + printf("\n"); + printf("general options:\n"); + printf(" -v, --version Show the flac version number\n"); + printf(" -h, --help Show basic usage a list of all options\n"); + printf(" -H, --explain Show this screen\n"); + printf(" -d, --decode Decode (the default behavior is to encode)\n"); + printf(" -t, --test Same as -d except no decoded file is written\n"); + printf(" -a, --analyze Same as -d except an analysis file is written\n"); + printf(" -c, --stdout Write output to stdout\n"); + printf(" -s, --silent Do not write runtime encode/decode statistics\n"); + printf(" --totally-silent Do not print anything of any kind, including\n"); + printf(" warnings or errors. The exit code will be the\n"); + printf(" only way to determine successful completion.\n"); + printf(" --no-utf8-convert Do not convert tags from local charset to UTF-8.\n"); + printf(" This is useful for scripts, and setting tags in\n"); + printf(" situations where the locale is wrong. This\n"); + printf(" option must appear before any tag options!\n"); + printf(" -w, --warnings-as-errors Treat all warnings as errors\n"); + printf(" -f, --force Force overwriting of output files\n"); + printf(" -o, --output-name=FILENAME Force the output file name; usually flac just\n"); + printf(" changes the extension. May only be used when\n"); + printf(" encoding a single file. May not be used in\n"); + printf(" conjunction with --output-prefix.\n"); + printf(" --output-prefix=STRING Prefix each output file name with the given\n"); + printf(" STRING. This can be useful for encoding or\n"); + printf(" decoding files to a different directory. Make\n"); + printf(" sure if your STRING is a path name that it ends\n"); + printf(" with a '/' slash.\n"); + printf(" --delete-input-file Automatically delete the input file after a\n"); + printf(" successful encode or decode. If there was an\n"); + printf(" error (including a verify error) the input file\n"); + printf(" is left intact.\n"); + printf(" --preserve-modtime Output files have their timestamps/permissions\n"); + printf(" set to match those of their inputs (this is\n"); + printf(" default). Use --no-preserve-modtime to make\n"); + printf(" output files have the current time and default\n"); + printf(" permissions.\n"); + printf(" --keep-foreign-metadata If encoding, save WAVE or AIFF non-audio chunks\n"); + printf(" in FLAC metadata. If decoding, restore any saved\n"); + printf(" non-audio chunks from FLAC metadata when writing\n"); + printf(" the decoded file. Foreign metadata cannot be\n"); + printf(" transcoded, e.g. WAVE chunks saved in a FLAC file\n"); + printf(" cannot be restored when decoding to AIFF. Input\n"); + printf(" and output must be regular files, not stdin/out.\n"); + printf(" With this option, FLAC will pick the right\n"); + printf(" output format on decoding.\n"); + printf(" --keep-foreign-metadata-if-present As previous option, but do not throw\n"); + printf(" an error in case no foreign metadata is found,\n"); + printf(" the wrong kind of foreign metadata is found (on\n"); + printf(" decoding) or if the foreign could not be parsed,\n"); + printf(" i.e. all foreign metadata related errors are\n"); + printf(" treated as warnings.\n"); + printf(" --skip={#|mm:ss.ss} Skip the first # samples of each input file; can\n"); + printf(" be used both for encoding and decoding. The\n"); + printf(" alternative form mm:ss.ss can be used to specify\n"); + printf(" minutes, seconds, and fractions of a second.\n"); + printf(" --until={#|[+|-]mm:ss.ss} Stop at the given sample number for each input\n"); + printf(" file. The given sample number is not included\n"); + printf(" in the decoded output. The alternative form\n"); + printf(" mm:ss.ss can be used to specify minutes,\n"); + printf(" seconds, and fractions of a second. If a `+'\n"); + printf(" sign is at the beginning, the --until point is\n"); + printf(" relative to the --skip point. If a `-' sign is\n"); + printf(" at the beginning, the --until point is relative\n"); + printf(" to end of the audio.\n"); +#if FLAC__HAS_OGG + printf(" --ogg When encoding, generate Ogg FLAC output instead\n"); + printf(" of native FLAC. Ogg FLAC streams are FLAC\n"); + printf(" streams wrapped in an Ogg transport layer. The\n"); + printf(" resulting file should have an '.oga' extension\n"); + printf(" and will still be decodable by flac. When\n"); + printf(" decoding, force the input to be treated as\n"); + printf(" Ogg FLAC. This is useful when piping input\n"); + printf(" from stdin or when the filename does not end in\n"); + printf(" '.oga' or '.ogg'.\n"); + printf(" --serial-number Serial number to use for the FLAC stream. When\n"); + printf(" encoding and no serial number is given, flac\n"); + printf(" uses a random one. If encoding to multiple files\n"); + printf(" the serial number is incremented for each file.\n"); + printf(" When decoding and no number is given, flac uses\n"); + printf(" the serial number of the first page.\n"); +#endif + printf("analysis options:\n"); + printf(" --residual-text Include residual signal in text output. This\n"); + printf(" will make the file very big, much larger than\n"); + printf(" even the decoded file.\n"); + printf(" --residual-gnuplot Generate gnuplot files of residual distribution\n"); + printf(" of each subframe\n"); + printf("decoding options:\n"); + printf(" -F, --decode-through-errors By default flac stops decoding with an error\n"); + printf(" and removes the partially decoded file if it\n"); + printf(" encounters a bitstream error. With -F, errors\n"); + printf(" are still printed but flac will continue\n"); + printf(" decoding to completion. Note that errors may\n"); + printf(" cause the decoded audio to be missing some\n"); + printf(" samples or have silent sections.\n"); + printf(" --cue=[#.#][-[#.#]] Set the beginning and ending cuepoints to\n"); + printf(" decode. The optional first #.# is the track and\n"); + printf(" index point at which decoding will start; the\n"); + printf(" default is the beginning of the stream. The\n"); + printf(" optional second #.# is the track and index point\n"); + printf(" at which decoding will end; the default is the\n"); + printf(" end of the stream. If the cuepoint does not\n"); + printf(" exist, the closest one before it (for the start\n"); + printf(" point) or after it (for the end point) will be\n"); + printf(" used. The cuepoints are merely translated into\n"); + printf(" sample numbers then used as --skip and --until.\n"); + printf(" A CD track can always be cued by, for example,\n"); + printf(" --cue=9.1-10.1 for track 9, even if the CD has\n"); + printf(" no 10th track.\n"); + printf("encoding options:\n"); + printf(" -V, --verify Verify a correct encoding by decoding the\n"); + printf(" output in parallel and comparing to the\n"); + printf(" original\n"); + printf(" --lax Allow encoder to generate non-Subset files\n"); + printf(" --ignore-chunk-sizes Ignore data chunk sizes in WAVE/AIFF files;\n"); + printf(" useful when piping data from programs which\n"); + printf(" generate bogus data chunk sizes.\n"); + printf(" --replay-gain Calculate ReplayGain values and store them as\n"); + printf(" FLAC tags. Title gains/peaks will be computed\n"); + printf(" for each file, and an album gain/peak will be\n"); + printf(" computed for all files. All input files must\n"); + printf(" have the same resolution, sample rate, and\n"); + printf(" number of channels. Only mono and stereo files\n"); + printf(" are allowed, and the sample rate must be 8,\n"); + printf(" 11.025, 12, 16, 18.9, 22.05, 24, 28, 32, 36,\n"); + printf(" 37.8, 44.1, 48, 56, 64, 72, 75.6, 88.2, 96, 112,\n"); + printf(" 128, 144, 151.2, 176.4, 192, 224, 256, 288,\n"); + printf(" 302.4, 352.8, 384, 448, 512, 576, or 604.8 kHz.\n"); + printf(" NOTE: this option may also leave a few extra\n"); + printf(" bytes in the PADDING block.\n"); + printf(" --cuesheet=FILENAME Import the given cuesheet file and store it in\n"); + printf(" a CUESHEET metadata block. This option may only\n"); + printf(" be used when encoding a single file. A\n"); + printf(" seekpoint will be added for each index point in\n"); + printf(" the cuesheet to the SEEKTABLE unless\n"); + printf(" --no-cued-seekpoints is specified.\n"); + printf(" --picture=SPECIFICATION Import a picture and store it in a PICTURE block.\n"); + printf(" More than one --picture command can be specified.\n"); + printf(" The SPECIFICATION can either be a simple filename\n"); + printf(" for the picture file, or a complete specification\n"); + printf(" whose parts are separated by | characters. Some\n"); + printf(" parts may be left empty to invoke default values.\n"); + printf(" Using a filename is shorthand for \"||||FILE\".\n"); + printf(" The SPECIFICATION format is:\n"); + printf(" [TYPE]|[MIME-TYPE]|[DESCRIPTION]|[WIDTHxHEIGHTxDEPTH[/COLORS]]|FILE\n"); + printf(" TYPE is optional; it is a number from one of:\n"); + printf(" 0: Other\n"); + printf(" 1: 32x32 pixels 'file icon' (PNG only)\n"); + printf(" 2: Other file icon\n"); + printf(" 3: Cover (front)\n"); + printf(" 4: Cover (back)\n"); + printf(" 5: Leaflet page\n"); + printf(" 6: Media (e.g. label side of CD)\n"); + printf(" 7: Lead artist/lead performer/soloist\n"); + printf(" 8: Artist/performer\n"); + printf(" 9: Conductor\n"); + printf(" 10: Band/Orchestra\n"); + printf(" 11: Composer\n"); + printf(" 12: Lyricist/text writer\n"); + printf(" 13: Recording Location\n"); + printf(" 14: During recording\n"); + printf(" 15: During performance\n"); + printf(" 16: Movie/video screen capture\n"); + printf(" 17: A bright coloured fish\n"); + printf(" 18: Illustration\n"); + printf(" 19: Band/artist logotype\n"); + printf(" 20: Publisher/Studio logotype\n"); + printf(" The default is 3 (front cover). There may only be one picture each\n"); + printf(" of type 1 and 2 in a file.\n"); + printf(" MIME-TYPE is optional; if left blank, it will be detected from the\n"); + printf(" file. For best compatibility with players, use pictures with MIME\n"); + printf(" type image/jpeg or image/png. The MIME type can also be --> to\n"); + printf(" mean that FILE is actually a URL to an image, though this use is\n"); + printf(" discouraged.\n"); + printf(" DESCRIPTION is optional; the default is an empty string\n"); + printf(" The next part specifies the resolution and color information. If\n"); + printf(" the MIME-TYPE is image/jpeg, image/png, or image/gif, you can\n"); + printf(" usually leave this empty and they can be detected from the file.\n"); + printf(" Otherwise, you must specify the width in pixels, height in pixels,\n"); + printf(" and color depth in bits-per-pixel. If the image has indexed colors\n"); + printf(" you should also specify the number of colors used.\n"); + printf(" FILE is the path to the picture file to be imported, or the URL if\n"); + printf(" MIME type is -->\n"); + printf(" -T, --tag=FIELD=VALUE Add a FLAC tag. Make sure to quote the\n"); + printf(" comment if necessary. This option may appear\n"); + printf(" more than once to add several comments. NOTE:\n"); + printf(" all tags will be added to all encoded files.\n"); + printf(" --tag-from-file=FIELD=FILENAME Like --tag, except FILENAME is a file\n"); + printf(" whose contents will be read verbatim to set the\n"); + printf(" tag value. The contents will be converted to\n"); + printf(" UTF-8 from the local charset. This can be used\n"); + printf(" to store a cuesheet in a tag (e.g.\n"); + printf(" --tag-from-file=\"CUESHEET=image.cue\"). Do not\n"); + printf(" try to store binary data in tag fields! Use\n"); + printf(" APPLICATION blocks for that.\n"); + printf(" -S, --seekpoint={#|X|#x|#s} Include a point or points in a SEEKTABLE\n"); + printf(" # : a specific sample number for a seek point\n"); + printf(" X : a placeholder point (always goes at the end of the SEEKTABLE)\n"); + printf(" #x : # evenly spaced seekpoints, the first being at sample 0\n"); + printf(" #s : a seekpoint every # seconds; # does not have to be a whole number\n"); + printf(" You may use many -S options; the resulting SEEKTABLE will be the unique-\n"); + printf(" ified union of all such values.\n"); + printf(" With no -S options, flac defaults to '-S 10s'. Use -S- for no SEEKTABLE.\n"); + printf(" Note: -S #x and -S #s will not work if the encoder can't determine the\n"); + printf(" input size before starting.\n"); + printf(" Note: if you use -S # and # is >= samples in the input, there will be\n"); + printf(" either no seek point entered (if the input size is determinable\n"); + printf(" before encoding starts) or a placeholder point (if input size is not\n"); + printf(" determinable)\n"); + printf(" -P, --padding=# Tell the encoder to write a PADDING metadata\n"); + printf(" block of the given length (in bytes) after the\n"); + printf(" STREAMINFO block. This is useful if you plan\n"); + printf(" to tag the file later with an APPLICATION\n"); + printf(" block; instead of having to rewrite the entire\n"); + printf(" file later just to insert your block, you can\n"); + printf(" write directly over the PADDING block. Note\n"); + printf(" that the total length of the PADDING block will\n"); + printf(" be 4 bytes longer than the length given because\n"); + printf(" of the 4 metadata block header bytes. You can\n"); + printf(" force no PADDING block at all to be written with\n"); + printf(" --no-padding. The encoder writes a PADDING\n"); + printf(" block of 8192 bytes by default, or 65536 bytes\n"); + printf(" if the input audio is more than 20 minutes long.\n"); + printf(" -b, --blocksize=# Specify the blocksize in samples; the default is\n"); + printf(" 1152 for -l 0, else 4096; for subset streams this\n"); + printf(" must be <= 4608 if the samplerate <= 48kHz,\n"); + printf(" for subset streams with a higher samplerates it\n"); + printf(" must be <= 16384.\n"); + printf(" -0, --compression-level-0, --fast Synonymous with -l 0 -b 1152 -r 3\n"); + printf(" --no-mid-side\n"); + printf(" -1, --compression-level-1 Synonymous with -l 0 -b 1152 -M -r 3\n"); + printf(" -2, --compression-level-2 Synonymous with -l 0 -b 1152 -m -r 3\n"); + printf(" -3, --compression-level-3 Synonymous with -l 6 -b 4096 -r 4\n"); + printf(" --no-mid-side\n"); + printf(" -4, --compression-level-4 Synonymous with -l 8 -b 4096 -M -r 4\n"); + printf(" -5, --compression-level-5 Synonymous with -l 8 -b 4096 -m -r 5\n"); + printf(" -5 is the default setting\n"); + printf(" -6, --compression-level-6 Synonymous with -l 8 -b 4096 -m -r 6\n"); + printf(" -A subdivide_tukey(2)\n"); + printf(" -7, --compression-level-7 Synonymous with -l 12 -b 4096 -m -r 6\n"); + printf(" -A subdivide_tukey(2)\n"); + printf(" -8, --compression-level-8, --best Synonymous with -l 12 -b 4096 -m -r 6\n"); + printf(" -A subdivide_tukey(3)\n"); + printf(" -m, --mid-side Try mid-side coding for each frame\n"); + printf(" (stereo only)\n"); + printf(" -M, --adaptive-mid-side Adaptive mid-side coding for all frames\n"); + printf(" (stereo only)\n"); + printf(" -e, --exhaustive-model-search Do exhaustive model search (expensive!)\n"); + printf(" -A, --apodization=\"function\" Window audio data with given the function.\n"); + printf(" The functions are: bartlett, bartlett_hann,\n"); + printf(" blackman, blackman_harris_4term_92db,\n"); + printf(" connes, flattop, gauss(STDDEV), hamming,\n"); + printf(" hann, kaiser_bessel, nuttall, rectangle,\n"); + printf(" triangle, tukey(P), welch, partial_tukey(n)\n"); + printf(" punchout_tukey(n) and subdivide_tukey(n).\n"); + printf(" More than one may be specified but encoding\n"); + printf(" time is a multiple of the number of\n"); + printf(" functions since they are each tried in \n"); + printf(" turn. The encoder chooses suitable\n"); + printf(" defaults in the absence of any -A options.\n"); + printf(" -l, --max-lpc-order=# Max LPC order; 0 => only fixed predictors.\n"); + printf(" Must be <= 12 for Subset streams if sample\n"); + printf(" rate is <=48kHz.\n"); + printf(" -p, --qlp-coeff-precision-search Do exhaustive search of LP coefficient\n"); + printf(" quantization (expensive!); overrides -q;\n"); + printf(" does nothing if using -l 0\n"); + printf(" -q, --qlp-coeff-precision=# Specify precision in bits of quantized\n"); + printf(" linear-predictor coefficients; 0 => let\n"); + printf(" encoder decide (the minimum is %u, the\n", FLAC__MIN_QLP_COEFF_PRECISION); + printf(" default is -q 0)\n"); + printf(" -r, --rice-partition-order=[#,]# Set [min,]max residual partition order\n"); + printf(" (# is 0 to 15 inclusive; min defaults to 0;\n"); + printf(" the default is -r 0; above 4 does not\n"); + printf(" usually help much)\n"); + printf(" --limit-min-bitrate Limit minimum bitrate by not allowing\n"); + printf(" frames consisting of only constant\n"); + printf(" subframes. This ensures a bitrate of at\n"); + printf(" least 1 bit/sample, for example 48kbit/s\n"); + printf(" for 48kHz input. This is mostly beneficial\n"); + printf(" for internet streaming.\n"); + printf("format options:\n"); + printf(" --force-raw-format Force input (when encoding) or output (when\n"); + printf(" decoding) to be treated as raw samples\n"); + printf(" --force-aiff-format\n"); + printf(" --force-rf64-format\n"); + printf(" --force-wave64-format\n"); + printf(" Force the decoder to output AIFF/RF64/WAVE64 format respectively.\n"); + printf(" This option is not needed if the output filename (as set by -o)\n"); + printf(" ends with *.aif* or *.aiff*, *.rf64* and *.w64* respectively. Also,\n"); + printf(" this option has no effect when encoding since input is\n"); + printf(" auto-detected. When none of these options nor\n"); + printf(" --keep-foreign-metadata are given and no output filename is set,\n"); + printf(" the output format is WAV by default.\n"); + printf(" --force-legacy-wave-format\n"); + printf(" --force-extensible-wave-format\n"); + printf(" Instruct the decoder to output a WAVE file with WAVE_FORMAT_PCM and\n"); + printf(" WAVE_FORMAT_EXTENSIBLE respectively. If none of these options nor\n"); + printf(" --keep-foreign-metadata are given, FLAC outputs WAVE_FORMAT_PCM\n"); + printf(" for mono or stereo with a bit depth of 8 or 16 bits, and\n"); + printf(" WAVE_FORMAT_EXTENSIBLE for all other audio formats.\n"); + printf(" --force-aiff-c-none-format\n"); + printf(" --force-aiff-c-sowt-format\n"); + printf(" Instruct the decoder to output an AIFF-C file with format NONE and\n"); + printf(" sowt respectively.\n"); + printf("raw format options:\n"); + printf(" --endian={big|little} Set byte order for samples\n"); + printf(" --channels=# Number of channels\n"); + printf(" --bps=# Number of bits per sample\n"); + printf(" --sample-rate=# Sample rate in Hz\n"); + printf(" --sign={signed|unsigned} Sign of samples\n"); + printf(" --input-size=# Size of the raw input in bytes. If you are\n"); + printf(" encoding raw samples from stdin, you must set\n"); + printf(" this option in order to be able to use --skip,\n"); + printf(" --until, --cuesheet, or other options that need\n"); + printf(" to know the size of the input beforehand. If\n"); + printf(" the size given is greater than what is found in\n"); + printf(" the input stream, the encoder will complain\n"); + printf(" about an unexpected end-of-file. If the size\n"); + printf(" given is less, samples will be truncated.\n"); + printf("negative options:\n"); + printf(" --no-adaptive-mid-side\n"); + printf(" --no-cued-seekpoints\n"); + printf(" --no-decode-through-errors\n"); + printf(" --no-delete-input-file\n"); + printf(" --no-preserve-modtime\n"); + printf(" --no-keep-foreign-metadata\n"); + printf(" --no-exhaustive-model-search\n"); + printf(" --no-lax\n"); + printf(" --no-mid-side\n"); +#if FLAC__HAS_OGG + printf(" --no-ogg\n"); +#endif + printf(" --no-padding\n"); + printf(" --no-qlp-coeff-prec-search\n"); + printf(" --no-residual-gnuplot\n"); + printf(" --no-residual-text\n"); + printf(" --no-ignore-chunk-sizes\n"); + printf(" --no-seektable\n"); + printf(" --no-silent\n"); + printf(" --no-force\n"); + printf(" --no-verify\n"); + printf(" --no-warnings-as-errors\n"); +} + +void format_mistake(const char *infilename, FileFormat wrong, FileFormat right) +{ + /* WATCHOUT: indexed by FileFormat */ + flac__utils_printf(stderr, 1, "WARNING: %s is not a%s file; treating as a%s file\n", infilename, FileFormatString[wrong], FileFormatString[right]); +} + +int encode_file(const char *infilename, FLAC__bool is_first_file, FLAC__bool is_last_file) +{ + FILE *encode_infile; + FLAC__byte lookahead[12]; + uint32_t lookahead_length = 0, master_chunk_size = 0; + FileFormat input_format = FORMAT_RAW; + int retval; + FLAC__off_t infilesize; + encode_options_t encode_options; + const char *outfilename = get_encoded_outfilename(infilename); /* the final name of the encoded file */ + /* internal_outfilename is the file we will actually write to; it will be a temporary name if infilename==outfilename */ + char *internal_outfilename = 0; /* NULL implies 'use outfilename' */ + size_t infilename_length; + + if(0 == outfilename) { + flac__utils_printf(stderr, 1, "ERROR: filename too long: %s", infilename); + return 1; + } + + if(0 == strcmp(infilename, "-")) { + infilesize = (FLAC__off_t)(-1); + encode_infile = grabbag__file_get_binary_stdin(); + } + else + { + infilesize = grabbag__file_get_filesize(infilename); + if(0 == (encode_infile = flac_fopen(infilename, "rb"))) { + flac__utils_printf(stderr, 1, "ERROR: can't open input file %s: %s\n", infilename, strerror(errno)); + return 1; + } + } + + if(!option_values.force_raw_format) { + /* first set format based on name */ + infilename_length = strlen(infilename); + if(infilename_length >= 4 && 0 == FLAC__STRCASECMP(infilename+(infilename_length-4), ".wav")) + input_format = FORMAT_WAVE; + else if(infilename_length >= 5 && 0 == FLAC__STRCASECMP(infilename+(infilename_length-5), ".rf64")) + input_format = FORMAT_RF64; + else if(infilename_length >= 4 && 0 == FLAC__STRCASECMP(infilename+(infilename_length-4), ".w64")) + input_format = FORMAT_WAVE64; + else if(infilename_length >= 4 && 0 == FLAC__STRCASECMP(infilename+(infilename_length-4), ".aif")) + input_format = FORMAT_AIFF; + else if(infilename_length >= 5 && 0 == FLAC__STRCASECMP(infilename+(infilename_length-5), ".aiff")) + input_format = FORMAT_AIFF; + else if(infilename_length >= 5 && 0 == FLAC__STRCASECMP(infilename+(infilename_length-5), ".flac")) + input_format = FORMAT_FLAC; + else if(infilename_length >= 4 && 0 == FLAC__STRCASECMP(infilename+(infilename_length-4), ".oga")) + input_format = FORMAT_OGGFLAC; + else if(infilename_length >= 4 && 0 == FLAC__STRCASECMP(infilename+(infilename_length-4), ".ogg")) + input_format = FORMAT_OGGFLAC; + + /* attempt to guess the file type based on the first 12 bytes */ + if((lookahead_length = fread(lookahead, 1, 12, encode_infile)) < 12) { + /* all supported non-raw formats have at least 12 bytes of header to read */ + if(input_format != FORMAT_RAW) { + format_mistake(infilename, input_format, FORMAT_RAW); + if(option_values.treat_warnings_as_errors) { + conditional_fclose(encode_infile); + return 1; + } + } + /* force to raw */ + input_format = FORMAT_RAW; + } + else { + if(!memcmp(lookahead, "ID3", 3)) { + flac__utils_printf(stderr, 1, "ERROR: input file %s has an ID3v2 tag\n", infilename); + conditional_fclose(encode_infile); + return 1; + } + else if(!memcmp(lookahead, "RIFF", 4) && !memcmp(lookahead+8, "WAVE", 4)) + input_format = FORMAT_WAVE; + else if(!memcmp(lookahead, "RF64", 4) && !memcmp(lookahead+8, "WAVE", 4)) + input_format = FORMAT_RF64; + else if(!memcmp(lookahead, "riff\x2E\x91\xCF\x11\xA5\xD6\x28\xDB", 12)) /* just check 1st 12 bytes of GUID */ + input_format = FORMAT_WAVE64; + else if(!memcmp(lookahead, "FORM", 4) && !memcmp(lookahead+8, "AIFF", 4)) + input_format = FORMAT_AIFF; + else if(!memcmp(lookahead, "FORM", 4) && !memcmp(lookahead+8, "AIFC", 4)) + input_format = FORMAT_AIFF_C; + else if(!memcmp(lookahead, FLAC__STREAM_SYNC_STRING, sizeof(FLAC__STREAM_SYNC_STRING))) + input_format = FORMAT_FLAC; + /*@@@ this could be made more accurate by looking at the first packet to make sure it's Ogg FLAC and not, say, Ogg Vorbis. we do catch such problems later though. */ + else if(!memcmp(lookahead, "OggS", 4)) + input_format = FORMAT_OGGFLAC; + else { + /* didn't find header of any supported format */ + if(input_format != FORMAT_RAW) { + format_mistake(infilename, input_format, FORMAT_RAW); + if(option_values.treat_warnings_as_errors) { + conditional_fclose(encode_infile); + return 1; + } + } + /* force to raw */ + input_format = FORMAT_RAW; + } + } + } + + if(!option_values.ignore_chunk_sizes + && (input_format == FORMAT_WAVE || input_format == FORMAT_AIFF || input_format == FORMAT_AIFF_C) + && infilesize >= UINT32_MAX) { + conditional_fclose(encode_infile); + return usage_error("ERROR: file %s is too large to be valid.\n" + "Please consult the manual on the --ignore-chunk-sizes option\n\n", infilename); + } + + if(input_format == FORMAT_WAVE || input_format == FORMAT_AIFF || input_format == FORMAT_AIFF_C) { + memcpy(&master_chunk_size,lookahead+4,sizeof(master_chunk_size)); + if((input_format != FORMAT_WAVE) != CPU_IS_BIG_ENDIAN /* logical xor */) + /* true for WAVE on big endian CPUs or AIFF/AIFF-C on little endian CPUs */ + master_chunk_size = ENDSWAP_32(master_chunk_size); + + if(infilesize != (FLAC__off_t)(-1) && infilesize > 8 && (infilesize - 8) != master_chunk_size) { + flac__utils_printf(stderr, 1, "WARNING: %s chunk size of file %s does not agree with filesize\n", (input_format == FORMAT_WAVE)?"RIFF":"FORM", infilename); + if(option_values.treat_warnings_as_errors) + return 1; + } + } + + if(option_values.keep_foreign_metadata || option_values.keep_foreign_metadata_if_present) { + if(encode_infile == stdin || option_values.force_to_stdout) { + conditional_fclose(encode_infile); + return usage_error("ERROR: --keep-foreign-metadata cannot be used when encoding from stdin or to stdout\n"); + } + if(input_format != FORMAT_WAVE && input_format != FORMAT_WAVE64 && input_format != FORMAT_RF64 && input_format != FORMAT_AIFF && input_format != FORMAT_AIFF_C) { + conditional_fclose(encode_infile); + return usage_error("ERROR: --keep-foreign-metadata can only be used with WAVE, Wave64, RF64, or AIFF input\n"); + } + } + + /* + * Error if output file already exists (and -f not used). + * Use grabbag__file_get_filesize() as a cheap way to check. + */ + if(!option_values.test_only && !option_values.force_file_overwrite && strcmp(outfilename, "-") && grabbag__file_get_filesize(outfilename) != (FLAC__off_t)(-1)) { + if(input_format == FORMAT_FLAC) { + /* need more detailed error message when re-flac'ing to avoid confusing the user */ + flac__utils_printf(stderr, 1, + "ERROR: output file %s already exists.\n\n" + "By default flac encodes files to FLAC format; if you meant to decode this file\n" + "from FLAC to something else, use -d. If you meant to re-encode this file from\n" + "FLAC to FLAC again, use -f to force writing to the same file, or -o to specify\n" + "a different output filename.\n", + outfilename + ); + } + else if(input_format == FORMAT_OGGFLAC) { + /* need more detailed error message when re-flac'ing to avoid confusing the user */ + flac__utils_printf(stderr, 1, + "ERROR: output file %s already exists.\n\n" + "By default 'flac -ogg' encodes files to Ogg FLAC format; if you meant to decode\n" + "this file from Ogg FLAC to something else, use -d. If you meant to re-encode\n" + "this file from Ogg FLAC to Ogg FLAC again, use -f to force writing to the same\n" + "file, or -o to specify a different output filename.\n", + outfilename + ); + } + else + flac__utils_printf(stderr, 1, "ERROR: output file %s already exists, use -f to override\n", outfilename); + conditional_fclose(encode_infile); + return 1; + } + + if(option_values.format_input_size >= 0) { + if (input_format != FORMAT_RAW || infilesize >= 0) { + flac__utils_printf(stderr, 1, "ERROR: can only use --input-size when encoding raw samples from stdin\n"); + conditional_fclose(encode_infile); + return 1; + } + else { + infilesize = option_values.format_input_size; + } + } + + if(input_format == FORMAT_RAW) { + if(option_values.format_is_big_endian < 0 || option_values.format_is_unsigned_samples < 0 || option_values.format_channels < 0 || option_values.format_bps < 0 || option_values.format_sample_rate < 0) { + conditional_fclose(encode_infile); + return usage_error("ERROR: for encoding a raw file you must specify a value for --endian, --sign, --channels, --bps, and --sample-rate\n"); + } + } + else { + if(option_values.format_is_big_endian >= 0 || option_values.format_is_unsigned_samples >= 0 || option_values.format_channels >= 0 || option_values.format_bps >= 0 || option_values.format_sample_rate >= 0) { + conditional_fclose(encode_infile); + return usage_error("ERROR: raw format options (--endian, --sign, --channels, --bps, and --sample-rate) are not allowed for non-raw input\n"); + } + } + + if(option_values.force_to_stdout) { + if(option_values.replay_gain) { + conditional_fclose(encode_infile); + return usage_error("ERROR: --replay-gain cannot be used when encoding to stdout\n"); + } + } + if(option_values.replay_gain && option_values.use_ogg) { + conditional_fclose(encode_infile); + return usage_error("ERROR: --replay-gain cannot be used when encoding to Ogg FLAC yet\n"); + } + + if(!flac__utils_parse_skip_until_specification(option_values.skip_specification, &encode_options.skip_specification) || encode_options.skip_specification.is_relative) { + conditional_fclose(encode_infile); + return usage_error("ERROR: invalid value for --skip\n"); + } + + if(!flac__utils_parse_skip_until_specification(option_values.until_specification, &encode_options.until_specification)) { /*@@@@ more checks: no + without --skip, no - unless known total_samples_to_{en,de}code */ + conditional_fclose(encode_infile); + return usage_error("ERROR: invalid value for --until\n"); + } + /* if there is no "--until" we want to default to "--until=-0" */ + if(0 == option_values.until_specification) + encode_options.until_specification.is_relative = true; + + encode_options.verify = option_values.verify; + encode_options.treat_warnings_as_errors = option_values.treat_warnings_as_errors; +#if FLAC__HAS_OGG + encode_options.use_ogg = option_values.use_ogg; + /* set a random serial number if one has not yet been specified */ + if(!option_values.has_serial_number) { + option_values.serial_number = rand(); + option_values.has_serial_number = true; + } + encode_options.serial_number = option_values.serial_number++; +#endif + encode_options.lax = option_values.lax; + encode_options.padding = option_values.padding; + encode_options.num_compression_settings = option_values.num_compression_settings; + FLAC__ASSERT(sizeof(encode_options.compression_settings) >= sizeof(option_values.compression_settings)); + memcpy(encode_options.compression_settings, option_values.compression_settings, sizeof(option_values.compression_settings)); + encode_options.requested_seek_points = option_values.requested_seek_points; + encode_options.num_requested_seek_points = option_values.num_requested_seek_points; + encode_options.cuesheet_filename = option_values.cuesheet_filename; + encode_options.continue_through_decode_errors = option_values.continue_through_decode_errors; + encode_options.cued_seekpoints = option_values.cued_seekpoints; + encode_options.channel_map_none = option_values.channel_map_none; + encode_options.is_first_file = is_first_file; + encode_options.is_last_file = is_last_file; + encode_options.replay_gain = option_values.replay_gain; + encode_options.ignore_chunk_sizes = option_values.ignore_chunk_sizes; + encode_options.vorbis_comment = option_values.vorbis_comment; + FLAC__ASSERT(sizeof(encode_options.pictures) >= sizeof(option_values.pictures)); + memcpy(encode_options.pictures, option_values.pictures, sizeof(option_values.pictures)); + encode_options.num_pictures = option_values.num_pictures; + encode_options.format = input_format; + encode_options.debug.disable_constant_subframes = option_values.debug.disable_constant_subframes; + encode_options.debug.disable_fixed_subframes = option_values.debug.disable_fixed_subframes; + encode_options.debug.disable_verbatim_subframes = option_values.debug.disable_verbatim_subframes; + encode_options.debug.do_md5 = option_values.debug.do_md5; + encode_options.error_on_compression_fail = option_values.error_on_compression_fail; + encode_options.limit_min_bitrate = option_values.limit_min_bitrate; + encode_options.relaxed_foreign_metadata_handling = option_values.keep_foreign_metadata_if_present; + + /* if infilename and outfilename point to the same file, we need to write to a temporary file */ + if(encode_infile != stdin && grabbag__file_are_same(infilename, outfilename)) { + static const char *tmp_suffix = ".tmp,fl-ac+en'c"; + size_t dest_len = strlen(outfilename) + strlen(tmp_suffix) + 1; + /*@@@@ still a remote possibility that a file with this filename exists */ + if((internal_outfilename = safe_malloc_(dest_len)) == NULL) { + flac__utils_printf(stderr, 1, "ERROR allocating memory for tempfile name\n"); + conditional_fclose(encode_infile); + return 1; + } + flac_snprintf(internal_outfilename, dest_len, "%s%s", outfilename, tmp_suffix); + } + + if(input_format == FORMAT_RAW) { + encode_options.format_options.raw.is_big_endian = option_values.format_is_big_endian; + encode_options.format_options.raw.is_unsigned_samples = option_values.format_is_unsigned_samples; + encode_options.format_options.raw.channels = option_values.format_channels; + encode_options.format_options.raw.bps = option_values.format_bps; + encode_options.format_options.raw.sample_rate = option_values.format_sample_rate; + + retval = flac__encode_file(encode_infile, infilesize, infilename, internal_outfilename? internal_outfilename : outfilename, lookahead, lookahead_length, encode_options); + } + else if(input_format == FORMAT_FLAC || input_format == FORMAT_OGGFLAC) { + retval = flac__encode_file(encode_infile, infilesize, infilename, internal_outfilename? internal_outfilename : outfilename, lookahead, lookahead_length, encode_options); + } + else if(input_format == FORMAT_WAVE || input_format == FORMAT_WAVE64 || input_format == FORMAT_RF64 || input_format == FORMAT_AIFF || input_format == FORMAT_AIFF_C) { + encode_options.format_options.iff.foreign_metadata = 0; + + /* initialize foreign metadata if requested */ + if(option_values.keep_foreign_metadata || option_values.keep_foreign_metadata_if_present) { + encode_options.format_options.iff.foreign_metadata = + flac__foreign_metadata_new( + input_format==FORMAT_WAVE || input_format==FORMAT_RF64? + FOREIGN_BLOCK_TYPE__RIFF : + input_format==FORMAT_WAVE64? + FOREIGN_BLOCK_TYPE__WAVE64 : + FOREIGN_BLOCK_TYPE__AIFF + ); + if(0 == encode_options.format_options.iff.foreign_metadata) { + flac__utils_printf(stderr, 1, "ERROR: creating foreign metadata object\n"); + conditional_fclose(encode_infile); + if(internal_outfilename != 0) + free(internal_outfilename); + return 1; + } + } + + retval = flac__encode_file(encode_infile, infilesize, infilename, internal_outfilename? internal_outfilename : outfilename, lookahead, lookahead_length, encode_options); + + if(encode_options.format_options.iff.foreign_metadata) + flac__foreign_metadata_delete(encode_options.format_options.iff.foreign_metadata); + } + else { + FLAC__ASSERT(0); + retval = 1; /* double protection */ + } + + if(retval == 0) { + if(strcmp(outfilename, "-")) { + if(option_values.replay_gain) { + float title_gain, title_peak; + const char *error; + grabbag__replaygain_get_title(&title_gain, &title_peak); + if( + 0 != (error = grabbag__replaygain_store_to_file_reference(internal_outfilename? internal_outfilename : outfilename, option_values.preserve_modtime)) || + 0 != (error = grabbag__replaygain_store_to_file_title(internal_outfilename? internal_outfilename : outfilename, title_gain, title_peak, option_values.preserve_modtime)) + ) { + flac__utils_printf(stderr, 1, "%s: ERROR writing ReplayGain reference/title tags (%s)\n", outfilename, error); + retval = 1; + } + } + if(option_values.preserve_modtime && strcmp(infilename, "-")) + grabbag__file_copy_metadata(infilename, internal_outfilename? internal_outfilename : outfilename); + } + } + + /* rename temporary file if necessary */ + if(retval == 0 && internal_outfilename != 0) { + if(flac_rename(internal_outfilename, outfilename) < 0) { +#if defined _MSC_VER || defined __MINGW32__ || defined __EMX__ + /* on some flavors of windows, flac_rename() will fail if the destination already exists, so we unlink and try again */ + if(flac_unlink(outfilename) < 0) { + flac__utils_printf(stderr, 1, "ERROR: moving new FLAC file %s back on top of original FLAC file %s, keeping both\n", internal_outfilename, outfilename); + retval = 1; + } + else if(flac_rename(internal_outfilename, outfilename) < 0) { + flac__utils_printf(stderr, 1, "ERROR: moving new FLAC file %s back on top of original FLAC file %s, you must do it\n", internal_outfilename, outfilename); + retval = 1; + } +#else + flac__utils_printf(stderr, 1, "ERROR: moving new FLAC file %s back on top of original FLAC file %s, keeping both\n", internal_outfilename, outfilename); + retval = 1; +#endif + } + } + + /* handle --delete-input-file, but don't want to delete if piping from stdin, or if input filename and output filename are the same */ + if(retval == 0 && option_values.delete_input && strcmp(infilename, "-") && internal_outfilename == 0) + flac_unlink(infilename); + + if(internal_outfilename != 0) + free(internal_outfilename); + + return retval; +} + +int decode_file(const char *infilename) +{ + int retval; + FLAC__bool treat_as_ogg = false; + FileFormat output_format = FORMAT_WAVE; + FileSubFormat output_subformat = SUBFORMAT_UNSPECIFIED; + decode_options_t decode_options; + foreign_metadata_t *foreign_metadata = 0; + const char *outfilename = get_outfilename(infilename, ". "); /* Placeholder until we know what the actual suffix is */ + size_t infilename_length; + + if(0 == outfilename) { + flac__utils_printf(stderr, 1, "ERROR: filename too long: %s", infilename); + return 1; + } + + if(!option_values.analyze && !option_values.test_only &&(option_values.keep_foreign_metadata || option_values.keep_foreign_metadata_if_present)) { + const char *error; + if(0 == strcmp(infilename, "-") || 0 == strcmp(outfilename, "-")) + return usage_error("ERROR: --keep-foreign-metadata cannot be used when decoding from stdin or to stdout\n"); + if(output_format == FORMAT_RAW) + return usage_error("ERROR: --keep-foreign-metadata cannot be used with raw output\n"); + decode_options.format_options.iff.foreign_metadata = 0; + /* initialize foreign metadata structure */ + foreign_metadata = flac__foreign_metadata_new(FOREIGN_BLOCK_TYPE__RIFF); /* RIFF is just a placeholder */ + if(0 == foreign_metadata) { + flac__utils_printf(stderr, 1, "ERROR: creating foreign metadata object\n"); + return 1; + } + if(!flac__foreign_metadata_read_from_flac(foreign_metadata, infilename, &error)) { + if(option_values.keep_foreign_metadata_if_present) { + flac__utils_printf(stderr, 1, "%s: WARNING reading foreign metadata: %s\n", infilename, error); + if(option_values.treat_warnings_as_errors) { + flac__foreign_metadata_delete(foreign_metadata); + return 1; + } + else { + /* Couldn't find foreign metadata, stop processing */ + flac__foreign_metadata_delete(foreign_metadata); + foreign_metadata = 0; + } + } + else { + flac__utils_printf(stderr, 1, "%s: ERROR reading foreign metadata: %s\n", infilename, error); + flac__foreign_metadata_delete(foreign_metadata); + return 1; + } + } + } + + if(option_values.force_raw_format) + output_format = FORMAT_RAW; + else if( + option_values.force_aiff_format || + (strlen(outfilename) >= 4 && 0 == FLAC__STRCASECMP(outfilename+(strlen(outfilename)-4), ".aif")) || + (strlen(outfilename) >= 5 && 0 == FLAC__STRCASECMP(outfilename+(strlen(outfilename)-5), ".aiff")) + ) + output_format = FORMAT_AIFF; + else if( + option_values.force_rf64_format || + (strlen(outfilename) >= 5 && 0 == FLAC__STRCASECMP(outfilename+(strlen(outfilename)-5), ".rf64")) + ) + output_format = FORMAT_RF64; + else if( + option_values.force_wave64_format || + (strlen(outfilename) >= 4 && 0 == FLAC__STRCASECMP(outfilename+(strlen(outfilename)-4), ".w64")) + ) + output_format = FORMAT_WAVE64; + else if(foreign_metadata != NULL) { + /* Pick a format based on what the foreign metadata contains */ + if(foreign_metadata->type == FOREIGN_BLOCK_TYPE__WAVE64) + output_format = FORMAT_WAVE64; + else if(foreign_metadata->is_rf64) + output_format = FORMAT_RF64; + else if(foreign_metadata->type == FOREIGN_BLOCK_TYPE__AIFF) { + output_format = FORMAT_AIFF; + if(foreign_metadata->is_aifc) { + output_format = FORMAT_AIFF_C; + } + } + else + output_format = FORMAT_WAVE; + } + else + output_format = FORMAT_WAVE; + + /* Now do subformats */ + if(option_values.force_legacy_wave_format) + output_subformat = SUBFORMAT_WAVE_PCM; + else if(option_values.force_extensible_wave_format) + output_subformat = SUBFORMAT_WAVE_EXTENSIBLE; + else if(option_values.force_aiff_c_none_format) { + output_format = FORMAT_AIFF_C; + output_subformat = SUBFORMAT_AIFF_C_NONE; + } + else if(option_values.force_aiff_c_sowt_format) { + output_format = FORMAT_AIFF_C; + output_subformat = SUBFORMAT_AIFF_C_SOWT; + } + else if(foreign_metadata != NULL) { + if(foreign_metadata->is_wavefmtex) + output_subformat = SUBFORMAT_WAVE_EXTENSIBLE; + else if(output_format == FORMAT_WAVE) + output_subformat = SUBFORMAT_WAVE_PCM; + else if(foreign_metadata->is_aifc) { + if(foreign_metadata->is_sowt) + output_subformat = SUBFORMAT_AIFF_C_SOWT; + else + output_subformat = SUBFORMAT_AIFF_C_NONE; + } + } + + + /* Check whether output format agrees with foreign metadata */ + if(foreign_metadata != NULL) { + if((output_format != FORMAT_WAVE && output_format != FORMAT_RF64) && foreign_metadata->type == FOREIGN_BLOCK_TYPE__RIFF) { + flac__foreign_metadata_delete(foreign_metadata); + return usage_error("ERROR: foreign metadata type RIFF cannot be restored to a%s file, only to WAVE and RF64\n",FileFormatString[output_format]); + } + if((output_format != FORMAT_AIFF && output_format != FORMAT_AIFF_C) && foreign_metadata->type == FOREIGN_BLOCK_TYPE__AIFF) { + flac__foreign_metadata_delete(foreign_metadata); + return usage_error("ERROR: foreign metadata type AIFF cannot be restored to a%s file, only to AIFF and AIFF-C\n",FileFormatString[output_format]); + } + if(output_format != FORMAT_WAVE64 && foreign_metadata->type == FOREIGN_BLOCK_TYPE__WAVE64) { + flac__foreign_metadata_delete(foreign_metadata); + return usage_error("ERROR: foreign metadata type Wave64 cannot be restored to a%s file, only to Wave64\n",FileFormatString[output_format]); + } + } + + /* Now reassemble outfilename */ + get_decoded_outfilename(infilename, output_format); + + /* + * Error if output file already exists (and -f not used). + * Use grabbag__file_get_filesize() as a cheap way to check. + */ + if(!option_values.test_only && !option_values.force_file_overwrite && strcmp(outfilename, "-") && grabbag__file_get_filesize(outfilename) != (FLAC__off_t)(-1)) { + flac__utils_printf(stderr, 1, "ERROR: output file %s already exists, use -f to override\n", outfilename); + flac__foreign_metadata_delete(foreign_metadata); + return 1; + } + + if(!option_values.test_only && !option_values.analyze) { + if(output_format == FORMAT_RAW && (option_values.format_is_big_endian < 0 || option_values.format_is_unsigned_samples < 0)) { + flac__foreign_metadata_delete(foreign_metadata); + return usage_error("ERROR: for decoding to a raw file you must specify a value for --endian and --sign\n"); + } + } + + infilename_length = strlen(infilename); + if(option_values.use_ogg) + treat_as_ogg = true; + else if(infilename_length >= 4 && 0 == FLAC__STRCASECMP(infilename+(infilename_length-4), ".oga")) + treat_as_ogg = true; + else if(infilename_length >= 4 && 0 == FLAC__STRCASECMP(infilename+(infilename_length-4), ".ogg")) + treat_as_ogg = true; + else + treat_as_ogg = false; + +#if !FLAC__HAS_OGG + if(treat_as_ogg) { + flac__utils_printf(stderr, 1, "%s: Ogg support has not been built into this copy of flac\n", infilename); + flac__foreign_metadata_delete(foreign_metadata); + return 1; + } +#endif + + if(!flac__utils_parse_skip_until_specification(option_values.skip_specification, &decode_options.skip_specification) || decode_options.skip_specification.is_relative) { + flac__foreign_metadata_delete(foreign_metadata); + return usage_error("ERROR: invalid value for --skip\n"); + } + + if(!flac__utils_parse_skip_until_specification(option_values.until_specification, &decode_options.until_specification)) { /*@@@ more checks: no + without --skip, no - unless known total_samples_to_{en,de}code */ + flac__foreign_metadata_delete(foreign_metadata); + return usage_error("ERROR: invalid value for --until\n"); + } + /* if there is no "--until" we want to default to "--until=-0" */ + if(0 == option_values.until_specification) + decode_options.until_specification.is_relative = true; + + if(option_values.cue_specification) { + if(!flac__utils_parse_cue_specification(option_values.cue_specification, &decode_options.cue_specification)) { + flac__foreign_metadata_delete(foreign_metadata); + return usage_error("ERROR: invalid value for --cue\n"); + } + decode_options.has_cue_specification = true; + } + else + decode_options.has_cue_specification = false; + + decode_options.treat_warnings_as_errors = option_values.treat_warnings_as_errors; + decode_options.continue_through_decode_errors = option_values.continue_through_decode_errors; + decode_options.relaxed_foreign_metadata_handling = option_values.keep_foreign_metadata_if_present; + decode_options.replaygain_synthesis_spec = option_values.replaygain_synthesis_spec; + decode_options.force_subformat = output_subformat; +#if FLAC__HAS_OGG + decode_options.is_ogg = treat_as_ogg; + decode_options.use_first_serial_number = !option_values.has_serial_number; + decode_options.serial_number = option_values.serial_number; +#endif + decode_options.channel_map_none = option_values.channel_map_none; + decode_options.format = output_format; + + if(output_format == FORMAT_RAW) { + decode_options.format_options.raw.is_big_endian = option_values.format_is_big_endian; + decode_options.format_options.raw.is_unsigned_samples = option_values.format_is_unsigned_samples; + + retval = flac__decode_file(infilename, option_values.test_only? 0 : outfilename, option_values.analyze, option_values.aopts, decode_options); + } + else { + decode_options.format_options.iff.foreign_metadata = foreign_metadata; + + retval = flac__decode_file(infilename, option_values.test_only? 0 : outfilename, option_values.analyze, option_values.aopts, decode_options); + + } + + if(foreign_metadata) + flac__foreign_metadata_delete(foreign_metadata); + + if(retval == 0 && strcmp(infilename, "-")) { + if(option_values.preserve_modtime && strcmp(outfilename, "-")) + grabbag__file_copy_metadata(infilename, outfilename); + if(option_values.delete_input && !option_values.test_only && !option_values.analyze) + flac_unlink(infilename); + } + + return retval; +} + +const char *get_encoded_outfilename(const char *infilename) +{ + const char *suffix = (option_values.use_ogg? ".oga" : ".flac"); + const char *p; + + if(option_values.output_prefix) { + p = grabbag__file_get_basename(infilename); + } + else { + p = infilename; + } + + return get_outfilename(p, suffix); +} + +const char *get_decoded_outfilename(const char *infilename, const FileFormat format) +{ + const char *suffix; + const char *p; + + if(option_values.output_prefix) { + p = grabbag__file_get_basename(infilename); + } + else { + p = infilename; + } + + if(option_values.analyze) { + suffix = ".ana"; + } + else if(format == FORMAT_RAW) { + suffix = ".raw"; + } + else if(format == FORMAT_AIFF) { + suffix = ".aiff"; + } + else if(format == FORMAT_AIFF_C) { + suffix = ".aifc"; + } + else if(format == FORMAT_RF64) { + suffix = ".rf64"; + } + else if(format == FORMAT_WAVE64) { + suffix = ".w64"; + } + else { + suffix = ".wav"; + } + return get_outfilename(p, suffix); +} + +const char *get_outfilename(const char *infilename, const char *suffix) +{ + if(0 == option_values.cmdline_forced_outfilename) { + static char buffer[4096]; + + if(0 == strcmp(infilename, "-") || option_values.force_to_stdout) { + buffer [0] = '-'; + buffer [1] = 0; + } + else { + char *p; + if (flac__strlcpy(buffer, option_values.output_prefix? option_values.output_prefix : "", sizeof buffer) >= sizeof buffer) + return 0; + if (flac__strlcat(buffer, infilename, sizeof buffer) >= sizeof buffer) + return 0; + /* the . must come after any / to avoid problems with, e.g. "some.directory/extensionless-filename" */ + if(0 == (p = strrchr(buffer, '.')) || strchr(p, '/')) { + if (flac__strlcat(buffer, suffix, sizeof buffer) >= sizeof buffer) + return 0; + } + else { + *p = '\0'; + if (flac__strlcat(buffer, suffix, sizeof buffer) >= sizeof buffer) + return 0; + } + } + return buffer; + } + else + return option_values.cmdline_forced_outfilename; +} + +void die(const char *message) +{ + FLAC__ASSERT(0 != message); + flac__utils_printf(stderr, 1, "ERROR: %s\n", message); + exit(1); +} + +int conditional_fclose(FILE *f) +{ + if(f == 0 || f == stdin || f == stdout) + return 0; + else + return fclose(f); +} + +char *local_strdup(const char *source) +{ + char *ret; + FLAC__ASSERT(0 != source); + if(0 == (ret = strdup(source))) + die("out of memory during strdup()"); + return ret; +} diff --git a/src/flac/utils.c b/src/flac/utils.c new file mode 100644 index 0000000..446150d --- /dev/null +++ b/src/flac/utils.c @@ -0,0 +1,439 @@ +/* flac - Command-line FLAC encoder/decoder + * Copyright (C) 2002-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include <math.h> +#include <stdarg.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include "utils.h" +#include "FLAC/assert.h" +#include "FLAC/metadata.h" +#include "share/compat.h" +#ifndef _WIN32 +#ifndef _XOPEN_SOURCE +#define _XOPEN_SOURCE +#endif +#include <wchar.h> +#ifdef HAVE_TERMIOS_H +# include <termios.h> +#endif +#ifdef HAVE_SYS_IOCTL_H +# include <sys/ioctl.h> +#endif +#endif + +const char *CHANNEL_MASK_TAG = "WAVEFORMATEXTENSIBLE_CHANNEL_MASK"; + +int flac__utils_verbosity_ = 2; + +static FLAC__bool local__parse_uint64_(const char *s, FLAC__uint64 *value) +{ + FLAC__uint64 ret = 0; + char c; + + if(*s == '\0') + return false; + + while('\0' != (c = *s++)) + if(c >= '0' && c <= '9') { + if(ret > UINT64_MAX / 10) /* check for overflow */ + return false; + else if(ret == UINT64_MAX / 10) { + FLAC__uint64 tmp = ret; + ret = ret * 10 + (c - '0'); + if(ret < tmp) + return false; + } + else + ret = ret * 10 + (c - '0'); + } + else + return false; + + *value = ret; + return true; +} + +static FLAC__bool local__parse_timecode_(const char *s, double *value) +{ + double ret; + uint32_t i; + char c, *endptr; + + /* parse [0-9][0-9]*: */ + c = *s++; + if(c >= '0' && c <= '9') + i = (c - '0'); + else + return false; + while(':' != (c = *s++)) { + if(c >= '0' && c <= '9') + i = i * 10 + (c - '0'); + else + return false; + } + ret = (double)i * 60.; + + /* parse [0-9]*[.,]?[0-9]* i.e. a sign-less rational number (. or , OK for fractional seconds, to support different locales) */ + if(strspn(s, "1234567890.,") != strlen(s)) + return false; + ret += strtod(s, &endptr); + if (endptr == s || *endptr) + return false; + + *value = ret; + return true; +} + +static FLAC__bool local__parse_cue_(const char *s, const char *end, uint32_t *track, uint32_t *indx) +{ + FLAC__bool got_track = false, got_index = false; + uint32_t t = 0, i = 0; + char c; + + while(end? s < end : *s != '\0') { + c = *s++; + if(c >= '0' && c <= '9') { + t = t * 10 + (c - '0'); + got_track = true; + } + else if(c == '.') + break; + else + return false; + } + while(end? s < end : *s != '\0') { + c = *s++; + if(c >= '0' && c <= '9') { + i = i * 10 + (c - '0'); + got_index = true; + } + else + return false; + } + *track = t; + *indx = i; + return got_track && got_index; +} + +/* + * this only works with sorted cuesheets (the spec strongly recommends but + * does not require sorted cuesheets). but if it's not sorted, picking a + * nearest cue point has no significance. + */ +static FLAC__uint64 local__find_closest_cue_(const FLAC__StreamMetadata_CueSheet *cuesheet, uint32_t track, uint32_t indx, FLAC__uint64 total_samples, FLAC__bool look_forward) +{ + int t, i; + if(look_forward) { + for(t = 0; t < (int)cuesheet->num_tracks; t++) + for(i = 0; i < (int)cuesheet->tracks[t].num_indices; i++) + if(cuesheet->tracks[t].number > track || (cuesheet->tracks[t].number == track && cuesheet->tracks[t].indices[i].number >= indx)) + return cuesheet->tracks[t].offset + cuesheet->tracks[t].indices[i].offset; + return total_samples; + } + else { + for(t = (int)cuesheet->num_tracks - 1; t >= 0; t--) + for(i = (int)cuesheet->tracks[t].num_indices - 1; i >= 0; i--) + if(cuesheet->tracks[t].number < track || (cuesheet->tracks[t].number == track && cuesheet->tracks[t].indices[i].number <= indx)) + return cuesheet->tracks[t].offset + cuesheet->tracks[t].indices[i].offset; + return 0; + } +} + +void flac__utils_printf(FILE *stream, int level, const char *format, ...) +{ + if(flac__utils_verbosity_ >= level) { + va_list args; + + FLAC__ASSERT(0 != format); + + va_start(args, format); + + (void) flac_vfprintf(stream, format, args); + + va_end(args); + +#ifdef _MSC_VER + if(stream == stderr) + fflush(stream); /* for some reason stderr is buffered in at least some if not all MSC libs */ +#endif + } +} + +/* variables and functions for console status output */ +static FLAC__bool is_name_printed; +static int stats_char_count = 0; +static int console_width; +static int console_chars_left; + +int get_console_width(void) +{ + int width = 0; +#if defined _WIN32 + width = win_get_console_width(); +#elif defined __EMX__ + int s[2]; + _scrsize (s); + width = s[0]; +#elif defined TIOCGWINSZ + struct winsize w; + if (ioctl(STDOUT_FILENO, TIOCGWINSZ, &w) != -1) + width = w.ws_col; +#endif + if (width <= 0) + width = 80; + return width; +} + +size_t strlen_console(const char *text) +{ +#ifdef _WIN32 + return strlen_utf8(text); +#elif defined(__DJGPP__) /* workaround for DJGPP missing wcswidth() */ + return strlen(text); +#else + size_t len; + wchar_t *wtmp; + + len = strlen(text)+1; + wtmp = (wchar_t *)malloc(len*sizeof(wchar_t)); + if (wtmp == NULL) return len-1; + mbstowcs(wtmp, text, len); + len = wcswidth(wtmp, len); + free(wtmp); + + return len; +#endif +} + +void stats_new_file(void) +{ + is_name_printed = false; +} + +void stats_clear(void) +{ + while (stats_char_count > 0 && stats_char_count--) + fprintf(stderr, "\b"); +} + +void stats_print_name(int level, const char *name) +{ + int len; + + if (flac__utils_verbosity_ >= level) { + stats_clear(); + if(is_name_printed) return; + + console_width = get_console_width(); + len = strlen_console(name)+2; + console_chars_left = console_width - (len % console_width); + flac_fprintf(stderr, "%s: ", name); + is_name_printed = true; + } +} + +void stats_print_info(int level, const char *format, ...) +{ + char tmp[80]; + int len, clear_len; + + if (flac__utils_verbosity_ >= level) { + va_list args; + va_start(args, format); + len = flac_vsnprintf(tmp, sizeof(tmp), format, args); + va_end(args); + stats_clear(); + if (len >= console_chars_left) { + clear_len = console_chars_left; + while (clear_len > 0 && clear_len--) fprintf(stderr, " "); + fprintf(stderr, "\n"); + console_chars_left = console_width; + } + stats_char_count = fprintf(stderr, "%s", tmp); + fflush(stderr); + } +} + +#ifdef FLAC__VALGRIND_TESTING +size_t flac__utils_fwrite(const void *ptr, size_t size, size_t nmemb, FILE *stream) +{ + size_t ret = fwrite(ptr, size, nmemb, stream); + if(!ferror(stream)) + fflush(stream); + return ret; +} +#endif + +FLAC__bool flac__utils_parse_skip_until_specification(const char *s, utils__SkipUntilSpecification *spec) +{ + FLAC__uint64 val; + FLAC__bool is_negative = false; + + FLAC__ASSERT(0 != spec); + + spec->is_relative = false; + spec->value_is_samples = true; + spec->value.samples = 0; + + if(0 != s) { + if(s[0] == '-') { + is_negative = true; + spec->is_relative = true; + s++; + } + else if(s[0] == '+') { + spec->is_relative = true; + s++; + } + + if(local__parse_uint64_(s, &val)) { + spec->value_is_samples = true; + if(val > INT64_MAX) + return false; + spec->value.samples = (FLAC__int64)val; + if(is_negative) + spec->value.samples = -(spec->value.samples); + } + else { + double d; + if(!local__parse_timecode_(s, &d)) + return false; + spec->value_is_samples = false; + spec->value.seconds = d; + if(is_negative) + spec->value.seconds = -(spec->value.seconds); + } + } + + return true; +} + +FLAC__bool flac__utils_canonicalize_skip_until_specification(utils__SkipUntilSpecification *spec, uint32_t sample_rate) +{ + FLAC__ASSERT(0 != spec); + if(!spec->value_is_samples) { + double samples = spec->value.seconds * (double)sample_rate; + if(samples >= (double)INT64_MAX || samples <= (double)INT64_MIN) + return false; + spec->value.samples = (FLAC__int64)(samples); + spec->value_is_samples = true; + } + return true; +} + +FLAC__bool flac__utils_parse_cue_specification(const char *s, utils__CueSpecification *spec) +{ + const char *start = s, *end = 0; + + FLAC__ASSERT(0 != spec); + + spec->has_start_point = spec->has_end_point = false; + + s = strchr(s, '-'); + + if(0 != s) { + if(s == start) + start = 0; + end = s+1; + if(*end == '\0') + end = 0; + } + + if(start) { + if(!local__parse_cue_(start, s, &spec->start_track, &spec->start_index)) + return false; + spec->has_start_point = true; + } + + if(end) { + if(!local__parse_cue_(end, 0, &spec->end_track, &spec->end_index)) + return false; + spec->has_end_point = true; + } + + return true; +} + +void flac__utils_canonicalize_cue_specification(const utils__CueSpecification *cue_spec, const FLAC__StreamMetadata_CueSheet *cuesheet, FLAC__uint64 total_samples, utils__SkipUntilSpecification *skip_spec, utils__SkipUntilSpecification *until_spec) +{ + FLAC__ASSERT(0 != cue_spec); + FLAC__ASSERT(0 != cuesheet); + FLAC__ASSERT(0 != total_samples); + FLAC__ASSERT(0 != skip_spec); + FLAC__ASSERT(0 != until_spec); + + skip_spec->is_relative = false; + skip_spec->value_is_samples = true; + + until_spec->is_relative = false; + until_spec->value_is_samples = true; + + if(cue_spec->has_start_point) + skip_spec->value.samples = local__find_closest_cue_(cuesheet, cue_spec->start_track, cue_spec->start_index, total_samples, /*look_forward=*/false); + else + skip_spec->value.samples = 0; + + if(cue_spec->has_end_point) + until_spec->value.samples = local__find_closest_cue_(cuesheet, cue_spec->end_track, cue_spec->end_index, total_samples, /*look_forward=*/true); + else + until_spec->value.samples = total_samples; +} + +FLAC__bool flac__utils_set_channel_mask_tag(FLAC__StreamMetadata *object, FLAC__uint32 channel_mask) +{ + FLAC__StreamMetadata_VorbisComment_Entry entry = { 0, 0 }; + char tag[128]; + + FLAC__ASSERT(object); + FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_VORBIS_COMMENT); + FLAC__ASSERT(strlen(CHANNEL_MASK_TAG)+1+2+16+1 <= sizeof(tag)); /* +1 for =, +2 for 0x, +16 for digits, +1 for NUL */ + entry.entry = (FLAC__byte*)tag; + if((entry.length = flac_snprintf(tag, sizeof(tag), "%s=0x%04X", CHANNEL_MASK_TAG, (uint32_t)channel_mask)) >= sizeof(tag)) + return false; + if(!FLAC__metadata_object_vorbiscomment_replace_comment(object, entry, /*all=*/true, /*copy=*/true)) + return false; + return true; +} + +FLAC__bool flac__utils_get_channel_mask_tag(const FLAC__StreamMetadata *object, FLAC__uint32 *channel_mask) +{ + int offset; + uint32_t val; + char *p; + FLAC__ASSERT(object); + FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_VORBIS_COMMENT); + if(0 > (offset = FLAC__metadata_object_vorbiscomment_find_entry_from(object, /*offset=*/0, CHANNEL_MASK_TAG))) + return false; + if(object->data.vorbis_comment.comments[offset].length < strlen(CHANNEL_MASK_TAG)+4) + return false; + if(0 == (p = strchr((const char *)object->data.vorbis_comment.comments[offset].entry, '='))) /* should never happen, but just in case */ + return false; + if(FLAC__STRNCASECMP(p, "=0x", 3)) + return false; + if(sscanf(p+3, "%x", &val) != 1) + return false; + *channel_mask = val; + return true; +} diff --git a/src/flac/utils.h b/src/flac/utils.h new file mode 100644 index 0000000..931b4a6 --- /dev/null +++ b/src/flac/utils.h @@ -0,0 +1,77 @@ +/* flac - Command-line FLAC encoder/decoder + * Copyright (C) 2002-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifndef flac__utils_h +#define flac__utils_h + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include "FLAC/ordinals.h" +#include "FLAC/format.h" /* for FLAC__StreamMetadata_CueSheet */ +#include <stdio.h> /* for FILE */ + +typedef enum { FORMAT_RAW, FORMAT_WAVE, FORMAT_WAVE64, FORMAT_RF64, FORMAT_AIFF, FORMAT_AIFF_C, FORMAT_FLAC, FORMAT_OGGFLAC } FileFormat; +static const char * const FileFormatString[] = { " raw", " WAVE", " Wave64", "n RF64", "n AIFF", "n AIFF-C", " FLAC", "n Ogg FLAC" }; + +typedef enum { SUBFORMAT_UNSPECIFIED = 0, SUBFORMAT_WAVE_PCM, SUBFORMAT_WAVE_EXTENSIBLE, SUBFORMAT_AIFF_C_NONE, SUBFORMAT_AIFF_C_SOWT } FileSubFormat; + + +typedef struct { + FLAC__bool is_relative; /* i.e. specification string started with + or - */ + FLAC__bool value_is_samples; + union { + double seconds; + FLAC__int64 samples; + } value; +} utils__SkipUntilSpecification; + +typedef struct { + FLAC__bool has_start_point, has_end_point; + unsigned start_track, start_index; + unsigned end_track, end_index; +} utils__CueSpecification; + +#ifdef FLAC__VALGRIND_TESTING +size_t flac__utils_fwrite(const void *ptr, size_t size, size_t nmemb, FILE *stream); +#else +#define flac__utils_fwrite fwrite +#endif + +extern int flac__utils_verbosity_; +void flac__utils_printf(FILE *stream, int level, const char *format, ...); + +int get_console_width(void); +size_t strlen_console(const char *text); +void stats_new_file(void); +void stats_clear(void); +void stats_print_name(int level, const char *name); +void stats_print_info(int level, const char *format, ...); + +FLAC__bool flac__utils_parse_skip_until_specification(const char *s, utils__SkipUntilSpecification *spec); +FLAC__bool flac__utils_canonicalize_skip_until_specification(utils__SkipUntilSpecification *spec, uint32_t sample_rate); + +FLAC__bool flac__utils_parse_cue_specification(const char *s, utils__CueSpecification *spec); +void flac__utils_canonicalize_cue_specification(const utils__CueSpecification *cue_spec, const FLAC__StreamMetadata_CueSheet *cuesheet, FLAC__uint64 total_samples, utils__SkipUntilSpecification *skip_spec, utils__SkipUntilSpecification *until_spec); + +FLAC__bool flac__utils_set_channel_mask_tag(FLAC__StreamMetadata *object, FLAC__uint32 channel_mask); +FLAC__bool flac__utils_get_channel_mask_tag(const FLAC__StreamMetadata *object, FLAC__uint32 *channel_mask); + +#endif diff --git a/src/flac/version.rc b/src/flac/version.rc new file mode 100644 index 0000000..00842b9 --- /dev/null +++ b/src/flac/version.rc @@ -0,0 +1,38 @@ +#include <winver.h> +#include "config.h" + +#if (defined GIT_COMMIT_HASH && defined GIT_COMMIT_DATE) +# ifdef GIT_COMMIT_TAG +# define VERSIONSTRING GIT_COMMIT_TAG +# else +# define VERSIONSTRING "git-" GIT_COMMIT_HASH +# endif +#else +# define VERSIONSTRING PACKAGE_VERSION +#endif + +#define xstr(s) str(s) +#define str(s) #s + +VS_VERSION_INFO VERSIONINFO +FILEFLAGSMASK VS_FFI_FILEFLAGSMASK +FILEFLAGS 0 +FILEOS VOS__WINDOWS32 +FILETYPE VFT_DLL +BEGIN + BLOCK "StringFileInfo" + BEGIN + BLOCK "040904b0" + BEGIN + VALUE "FileDescription", "flac command line tool for Windows" + VALUE "ProductName", "Free Lossless Audio Codec" + VALUE "ProductVersion", VERSIONSTRING + VALUE "CompanyName", "Xiph.Org" + VALUE "LegalCopyright", "2000-2009 Josh Coalson, 2011-2023 Xiph.Org Foundation" + END + END + BLOCK "VarFileInfo" + BEGIN + VALUE "Translation", 0x409, 1200 + END +END diff --git a/src/flac/vorbiscomment.c b/src/flac/vorbiscomment.c new file mode 100644 index 0000000..3941ec2 --- /dev/null +++ b/src/flac/vorbiscomment.c @@ -0,0 +1,254 @@ +/* flac - Command-line FLAC encoder/decoder + * Copyright (C) 2002-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include "vorbiscomment.h" +#include "FLAC/assert.h" +#include "FLAC/metadata.h" +#include "share/grabbag.h" /* for grabbag__file_get_filesize() */ +#include "share/utf8.h" +#include <ctype.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include "share/compat.h" + + +/* + * This struct and the following 4 static functions are copied from + * ../metaflac/. Maybe someday there will be a convenience + * library for Vorbis comment parsing. + */ +typedef struct { + char *field; /* the whole field as passed on the command line, i.e. "NAME=VALUE" */ + char *field_name; + /* according to the vorbis spec, field values can contain \0 so simple C strings are not enough here */ + uint32_t field_value_length; + char *field_value; + FLAC__bool field_value_from_file; /* true if field_value holds a filename for the value, false for plain value */ +} Argument_VcField; + +static void die(const char *message) +{ + FLAC__ASSERT(0 != message); + fprintf(stderr, "ERROR: %s\n", message); + exit(1); +} + +static char *local_strdup(const char *source) +{ + char *ret; + FLAC__ASSERT(0 != source); + if(0 == (ret = strdup(source))) + die("out of memory during strdup()"); + return ret; +} + +static FLAC__bool parse_vorbis_comment_field(const char *field_ref, char **field, char **name, char **value, uint32_t *length, const char **violation) +{ + static const char * const violations[] = { + "field name contains invalid character", + "field contains no '=' character" + }; + + char *p, *q, *s; + + if(0 != field) + *field = local_strdup(field_ref); + + s = local_strdup(field_ref); + + if(0 == (p = strchr(s, '='))) { + free(s); + *violation = violations[1]; + return false; + } + *p++ = '\0'; + + for(q = s; *q; q++) { + if(*q < 0x20 || *q > 0x7d || *q == 0x3d) { + free(s); + *violation = violations[0]; + return false; + } + } + + *name = local_strdup(s); + *value = local_strdup(p); + *length = strlen(p); + + free(s); + return true; +} + +/* slight modification: no 'filename' arg, and errors are passed back in 'violation' instead of printed to stderr */ +static FLAC__bool set_vc_field(FLAC__StreamMetadata *block, const Argument_VcField *field, FLAC__bool *needs_write, FLAC__bool raw, const char **violation) +{ + FLAC__StreamMetadata_VorbisComment_Entry entry; + char *converted = NULL; + + FLAC__ASSERT(0 != block); + FLAC__ASSERT(block->type == FLAC__METADATA_TYPE_VORBIS_COMMENT); + FLAC__ASSERT(0 != field); + FLAC__ASSERT(0 != needs_write); + + if(field->field_value_from_file) { + /* read the file into 'data' */ + FILE *f = 0; + char *data = 0; + const FLAC__off_t size = grabbag__file_get_filesize(field->field_value); + if(size < 0) { + *violation = "can't open file for tag value"; + return false; + } + if(size >= 0x100000) { /* magic arbitrary limit, actual format limit is near 16MB */ + *violation = "file for tag value is too large"; + return false; + } + if(0 == (data = malloc(size+1))) + die("out of memory allocating tag value"); + data[size] = '\0'; + if(0 == (f = flac_fopen(field->field_value, "rb")) || fread(data, 1, size, f) != (size_t)size) { + free(data); + if(f) + fclose(f); + *violation = "error while reading file for tag value"; + return false; + } + fclose(f); + if(strlen(data) != (size_t)size) { + free(data); + *violation = "file for tag value has embedded NULs"; + return false; + } + + /* move 'data' into 'converted', converting to UTF-8 if necessary */ + if(raw) { + converted = data; + } + else if(utf8_encode(data, &converted) >= 0) { + free(data); + } + else { + free(data); + *violation = "error converting file contents to UTF-8 for tag value"; + return false; + } + + /* create and entry and append it */ + if(!FLAC__metadata_object_vorbiscomment_entry_from_name_value_pair(&entry, field->field_name, converted)) { + free(converted); + *violation = "file for tag value is not valid UTF-8"; + return false; + } + free(converted); + if(!FLAC__metadata_object_vorbiscomment_append_comment(block, entry, /*copy=*/false)) { + *violation = "memory allocation failure"; + return false; + } + + *needs_write = true; + return true; + } + else { + FLAC__bool needs_free = false; +#ifdef _WIN32 /* everything in UTF-8 already. Must not alter */ + entry.entry = (FLAC__byte *)field->field; +#else + if(raw) { + entry.entry = (FLAC__byte *)field->field; + } + else if(utf8_encode(field->field, &converted) >= 0) { + entry.entry = (FLAC__byte *)converted; + needs_free = true; + } + else { + *violation = "error converting comment to UTF-8"; + return false; + } +#endif + entry.length = strlen((const char *)entry.entry); + if(!FLAC__format_vorbiscomment_entry_is_legal(entry.entry, entry.length)) { + if(needs_free) + free(converted); + /* + * our previous parsing has already established that the field + * name is OK, so it must be the field value + */ + *violation = "tag value is not valid UTF-8"; + return false; + } + + if(!FLAC__metadata_object_vorbiscomment_append_comment(block, entry, /*copy=*/true)) { + if(needs_free) + free(converted); + *violation = "memory allocation failure"; + return false; + } + + *needs_write = true; + if(needs_free) + free(converted); + return true; + } +} + +/* + * The rest of the code is novel + */ + +static void free_field(Argument_VcField *obj) +{ + if(0 != obj->field) + free(obj->field); + if(0 != obj->field_name) + free(obj->field_name); + if(0 != obj->field_value) + free(obj->field_value); +} + +FLAC__bool flac__vorbiscomment_add(FLAC__StreamMetadata *block, const char *comment, FLAC__bool value_from_file, FLAC__bool raw, const char **violation) +{ + Argument_VcField parsed; + FLAC__bool dummy; + + FLAC__ASSERT(0 != block); + FLAC__ASSERT(block->type == FLAC__METADATA_TYPE_VORBIS_COMMENT); + FLAC__ASSERT(0 != comment); + + memset(&parsed, 0, sizeof(parsed)); + + parsed.field_value_from_file = value_from_file; + if(!parse_vorbis_comment_field(comment, &(parsed.field), &(parsed.field_name), &(parsed.field_value), &(parsed.field_value_length), violation)) { + free_field(&parsed); + return false; + } + + if(parsed.field_value_length > 0 && !set_vc_field(block, &parsed, &dummy, raw, violation)) { + free_field(&parsed); + return false; + } + else { + free_field(&parsed); + return true; + } +} diff --git a/src/flac/vorbiscomment.h b/src/flac/vorbiscomment.h new file mode 100644 index 0000000..a6dcb16 --- /dev/null +++ b/src/flac/vorbiscomment.h @@ -0,0 +1,27 @@ +/* flac - Command-line FLAC encoder/decoder + * Copyright (C) 2002-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifndef flac__vorbiscomment_h +#define flac__vorbiscomment_h + +#include "FLAC/metadata.h" + +FLAC__bool flac__vorbiscomment_add(FLAC__StreamMetadata *block, const char *comment, FLAC__bool value_from_file, FLAC__bool raw, const char **violation); + +#endif diff --git a/src/libFLAC++/CMakeLists.txt b/src/libFLAC++/CMakeLists.txt new file mode 100644 index 0000000..3be43ba --- /dev/null +++ b/src/libFLAC++/CMakeLists.txt @@ -0,0 +1,41 @@ +add_library(FLAC++ + metadata.cpp + stream_decoder.cpp + stream_encoder.cpp + version.rc) +set_property(TARGET FLAC++ PROPERTY PROJECT_LABEL "libFLAC++") +target_compile_definitions(FLAC++ + PRIVATE $<$<BOOL:${BUILD_SHARED_LIBS}>:FLACPP_API_EXPORTS> + PUBLIC $<$<NOT:$<BOOL:${BUILD_SHARED_LIBS}>>:FLAC__NO_DLL>) +if(NOT WIN32) + target_compile_definitions(FLAC++ PRIVATE $<$<BOOL:${BUILD_SHARED_LIBS}>:FLAC__USE_VISIBILITY_ATTR>) +endif() +target_include_directories(FLAC++ INTERFACE + "$<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/include>" + "$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>") +target_link_libraries(FLAC++ PUBLIC FLAC) +if(BUILD_SHARED_LIBS) + set_target_properties(FLAC++ PROPERTIES + VERSION 10.0.1 + SOVERSION 10) + if(NOT WIN32) + set_target_properties(FLAC++ PROPERTIES CXX_VISIBILITY_PRESET hidden) + endif() +endif() + +add_library(FLAC::FLAC++ ALIAS FLAC++) + +install(TARGETS FLAC++ EXPORT targets + ARCHIVE DESTINATION "${CMAKE_INSTALL_LIBDIR}/" + LIBRARY DESTINATION "${CMAKE_INSTALL_LIBDIR}/" + RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}/") + +if(INSTALL_PKGCONFIG_MODULES) + set(prefix "${CMAKE_INSTALL_PREFIX}") + set(exec_prefix "${CMAKE_INSTALL_PREFIX}") + set(libdir "${CMAKE_INSTALL_FULL_LIBDIR}") + set(includedir "${CMAKE_INSTALL_FULL_INCLUDEDIR}") + configure_file(flac++.pc.in flac++.pc @ONLY) + install(FILES "${CMAKE_CURRENT_BINARY_DIR}/flac++.pc" + DESTINATION "${CMAKE_INSTALL_LIBDIR}/pkgconfig") +endif() diff --git a/src/libFLAC++/Makefile.am b/src/libFLAC++/Makefile.am new file mode 100644 index 0000000..0b2853b --- /dev/null +++ b/src/libFLAC++/Makefile.am @@ -0,0 +1,68 @@ +# libFLAC++ - Free Lossless Audio Codec library +# Copyright (C) 2002-2009 Josh Coalson +# Copyright (C) 2011-2023 Xiph.Org Foundation +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# +# - Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# +# - Redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in the +# documentation and/or other materials provided with the distribution. +# +# - Neither the name of the Xiph.org Foundation nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR +# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, +# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, +# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR +# PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF +# LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING +# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS +# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +lib_LTLIBRARIES = libFLAC++.la +noinst_LTLIBRARIES = libFLAC++-static.la + +m4datadir = $(datadir)/aclocal +m4data_DATA = libFLAC++.m4 + +pkgconfigdir = $(libdir)/pkgconfig +pkgconfig_DATA = flac++.pc +AM_CPPFLAGS = -I$(top_builddir) -I$(srcdir)/include -I$(top_srcdir)/include +EXTRA_DIST = \ + CMakeLists.txt \ + flac++.pc.in \ + libFLAC++.m4 \ + version.rc + +libFLAC___sources = \ + metadata.cpp \ + stream_decoder.cpp \ + stream_encoder.cpp + +if OS_IS_WINDOWS +if HAVE_WINDRES +libFLAC___la_DEPENDENCIES = version.o +windows_resource_link = -Wl,version.o +endif +endif + +# see 'http://www.gnu.org/software/libtool/manual/libtool.html#Libtool-versioning' for numbering convention +libFLAC___la_LDFLAGS = $(AM_LDFLAGS) -no-undefined -version-info 10:1:0 $(windows_resource_link) +libFLAC___la_LIBADD = ../libFLAC/libFLAC.la +libFLAC___la_SOURCES = $(libFLAC___sources) + +libFLAC___static_la_SOURCES = $(libFLAC___sources) +libFLAC___static_la_LIBADD = ../libFLAC/libFLAC-static.la + +.rc.o: + $(RC) $(AM_CPPFLAGS) $< $@ diff --git a/src/libFLAC++/Makefile.in b/src/libFLAC++/Makefile.in new file mode 100644 index 0000000..eff1fca --- /dev/null +++ b/src/libFLAC++/Makefile.in @@ -0,0 +1,831 @@ +# Makefile.in generated by automake 1.16.5 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2021 Free Software Foundation, Inc. + +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. + +@SET_MAKE@ + +# libFLAC++ - Free Lossless Audio Codec library +# Copyright (C) 2002-2009 Josh Coalson +# Copyright (C) 2011-2023 Xiph.Org Foundation +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# +# - Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# +# - Redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in the +# documentation and/or other materials provided with the distribution. +# +# - Neither the name of the Xiph.org Foundation nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. 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b/src/libFLAC++/flac++.pc.in new file mode 100644 index 0000000..f09c251 --- /dev/null +++ b/src/libFLAC++/flac++.pc.in @@ -0,0 +1,11 @@ +prefix=@prefix@ +exec_prefix=@exec_prefix@ +libdir=@libdir@ +includedir=@includedir@ + +Name: FLAC++ +Description: Free Lossless Audio Codec Library (C++ API) +Version: @VERSION@ +Requires: flac +Libs: -L${libdir} -lFLAC++ +Cflags: -I${includedir} diff --git a/src/libFLAC++/libFLAC++.m4 b/src/libFLAC++/libFLAC++.m4 new file mode 100644 index 0000000..e5e1345 --- /dev/null +++ b/src/libFLAC++/libFLAC++.m4 @@ -0,0 +1,114 @@ +# Configure paths for libFLAC++ +# "Inspired" by ogg.m4 +# Caller must first run AM_PATH_LIBFLAC + +dnl AM_PATH_LIBFLACPP([ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]) +dnl Test for libFLAC++, and define LIBFLACPP_CFLAGS, LIBFLACPP_LIBS, LIBFLACPP_LIBDIR +dnl +AC_DEFUN([AM_PATH_LIBFLACPP], +[dnl +dnl Get the cflags and libraries +dnl +AC_ARG_WITH(libFLACPP,[ --with-libFLACPP=PFX Prefix where libFLAC++ is installed (optional)], libFLACPP_prefix="$withval", libFLACPP_prefix="") +AC_ARG_WITH(libFLACPP-libraries,[ --with-libFLACPP-libraries=DIR Directory where libFLAC++ library is installed (optional)], libFLACPP_libraries="$withval", libFLACPP_libraries="") +AC_ARG_WITH(libFLACPP-includes,[ --with-libFLACPP-includes=DIR Directory where libFLAC++ header files are installed (optional)], libFLACPP_includes="$withval", libFLACPP_includes="") +AC_ARG_ENABLE(libFLACPPtest, [ --disable-libFLACPPtest Do not try to compile and run a test libFLAC++ program],, enable_libFLACPPtest=yes) + + if test "x$libFLACPP_libraries" != "x" ; then + LIBFLACPP_LIBDIR="$libFLACPP_libraries" + elif test "x$libFLACPP_prefix" != "x" ; then + LIBFLACPP_LIBDIR="$libFLACPP_prefix/lib" + elif test "x$prefix" != "xNONE" ; then + LIBFLACPP_LIBDIR="$libdir" + fi + + LIBFLACPP_LIBS="-L$LIBFLACPP_LIBDIR -lFLAC++ $LIBFLAC_LIBS" + + if test "x$libFLACPP_includes" != "x" ; then + LIBFLACPP_CFLAGS="-I$libFLACPP_includes" + elif test "x$libFLACPP_prefix" != "x" ; then + LIBFLACPP_CFLAGS="-I$libFLACPP_prefix/include" + elif test "$prefix" != "xNONE"; then + LIBFLACPP_CFLAGS="" + fi + + LIBFLACPP_CFLAGS="$LIBFLACPP_CFLAGS $LIBFLAC_CFLAGS" + + AC_MSG_CHECKING(for libFLAC++) + no_libFLACPP="" + + + if test "x$enable_libFLACPPtest" = "xyes" ; then + ac_save_CFLAGS="$CFLAGS" + ac_save_CXXFLAGS="$CXXFLAGS" + ac_save_LIBS="$LIBS" + ac_save_LD_LIBRARY_PATH="$LD_LIBRARY_PATH" + CFLAGS="$CFLAGS $LIBFLACPP_CFLAGS" + CXXFLAGS="$CXXFLAGS $LIBFLACPP_CFLAGS" + LIBS="$LIBS $LIBFLACPP_LIBS" + LD_LIBRARY_PATH="$LIBFLACPP_LIBDIR:$LIBFLAC_LIBDIR:$LD_LIBRARY_PATH" +dnl +dnl Now check if the installed libFLAC++ is sufficiently new. +dnl + rm -f conf.libFLAC++test + AC_RUN_IFELSE([AC_LANG_PROGRAM([[ +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <FLAC++/decoder.h> +]],[[ + system("touch conf.libFLAC++test"); + return 0; +]])],[],[no_libFLACPP=yes],[echo $ac_n "cross compiling; assumed OK... $ac_c"]) + + CFLAGS="$ac_save_CFLAGS" + CXXFLAGS="$ac_save_CXXFLAGS" + LIBS="$ac_save_LIBS" + LD_LIBRARY_PATH="$ac_save_LD_LIBRARY_PATH" + fi + + if test "x$no_libFLACPP" = "x" ; then + AC_MSG_RESULT(yes) + ifelse([$1], , :, [$1]) + else + AC_MSG_RESULT(no) + if test -f conf.libFLAC++test ; then + : + else + echo "*** Could not run libFLAC++ test program, checking why..." + CFLAGS="$CFLAGS $LIBFLACPP_CFLAGS" + CXXFLAGS="$CXXFLAGS $LIBFLACPP_CFLAGS" + LIBS="$LIBS $LIBFLACPP_LIBS" + LD_LIBRARY_PATH="$LIBFLACPP_LIBDIR:$LIBFLAC_LIBDIR:$LD_LIBRARY_PATH" + AC_TRY_LINK([ +#include <stdio.h> +#include <FLAC++/decoder.h> +], [ return 0; ], + [ echo "*** The test program compiled, but did not run. This usually means" + echo "*** that the run-time linker is not finding libFLAC++ or finding the wrong" + echo "*** version of libFLAC++. If it is not finding libFLAC++, you'll need to set your" + echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point" + echo "*** to the installed location Also, make sure you have run ldconfig if that" + echo "*** is required on your system" + echo "***" + echo "*** If you have an old version installed, it is best to remove it, although" + echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"], + [ echo "*** The test program failed to compile or link. See the file config.log for the" + echo "*** exact error that occurred. This usually means libFLAC++ was incorrectly installed" + echo "*** or that you have moved libFLAC++ since it was installed. In the latter case, you" + echo "*** may want to edit the libFLAC++-config script: $LIBFLACPP_CONFIG" ]) + CFLAGS="$ac_save_CFLAGS" + CXXFLAGS="$ac_save_CXXFLAGS" + LIBS="$ac_save_LIBS" + LD_LIBRARY_PATH="$ac_save_LD_LIBRARY_PATH" + fi + LIBFLACPP_CFLAGS="" + LIBFLACPP_LIBDIR="" + LIBFLACPP_LIBS="" + ifelse([$2], , :, [$2]) + fi + AC_SUBST(LIBFLACPP_CFLAGS) + AC_SUBST(LIBFLACPP_LIBDIR) + AC_SUBST(LIBFLACPP_LIBS) + rm -f conf.libFLAC++test +]) diff --git a/src/libFLAC++/metadata.cpp b/src/libFLAC++/metadata.cpp new file mode 100644 index 0000000..beab110 --- /dev/null +++ b/src/libFLAC++/metadata.cpp @@ -0,0 +1,1745 @@ +/* libFLAC++ - Free Lossless Audio Codec library + * Copyright (C) 2002-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * - Neither the name of the Xiph.org Foundation nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#define __STDC_LIMIT_MACROS 1 /* otherwise SIZE_MAX is not defined for c++ */ +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "share/alloc.h" +#include "FLAC++/metadata.h" +#include "FLAC/assert.h" +#include <cstdlib> // for malloc(), free() +#include <cstring> // for memcpy() etc. + +#ifdef _MSC_VER +// warning C4800: 'int' : forcing to bool 'true' or 'false' (performance warning) +#pragma warning ( disable : 4800 ) +#endif + +namespace FLAC { + namespace Metadata { + + // local utility routines + + namespace local { + + Prototype *construct_block(::FLAC__StreamMetadata *object) + { + if (0 == object) + return 0; + + Prototype *ret = 0; + switch(object->type) { + case FLAC__METADATA_TYPE_STREAMINFO: + ret = new StreamInfo(object, /*copy=*/false); + break; + case FLAC__METADATA_TYPE_PADDING: + ret = new Padding(object, /*copy=*/false); + break; + case FLAC__METADATA_TYPE_APPLICATION: + ret = new Application(object, /*copy=*/false); + break; + case FLAC__METADATA_TYPE_SEEKTABLE: + ret = new SeekTable(object, /*copy=*/false); + break; + case FLAC__METADATA_TYPE_VORBIS_COMMENT: + ret = new VorbisComment(object, /*copy=*/false); + break; + case FLAC__METADATA_TYPE_CUESHEET: + ret = new CueSheet(object, /*copy=*/false); + break; + case FLAC__METADATA_TYPE_PICTURE: + ret = new Picture(object, /*copy=*/false); + break; + default: + ret = new Unknown(object, /*copy=*/false); + break; + } + return ret; + } + + } // namespace local + + FLACPP_API Prototype *clone(const Prototype *object) + { + FLAC__ASSERT(0 != object); + + const StreamInfo *streaminfo = dynamic_cast<const StreamInfo *>(object); + const Padding *padding = dynamic_cast<const Padding *>(object); + const Application *application = dynamic_cast<const Application *>(object); + const SeekTable *seektable = dynamic_cast<const SeekTable *>(object); + const VorbisComment *vorbiscomment = dynamic_cast<const VorbisComment *>(object); + const CueSheet *cuesheet = dynamic_cast<const CueSheet *>(object); + const Picture *picture = dynamic_cast<const Picture *>(object); + const Unknown *unknown = dynamic_cast<const Unknown *>(object); + + if(0 != streaminfo) + return new StreamInfo(*streaminfo); + if(0 != padding) + return new Padding(*padding); + if(0 != application) + return new Application(*application); + if(0 != seektable) + return new SeekTable(*seektable); + if(0 != vorbiscomment) + return new VorbisComment(*vorbiscomment); + if(0 != cuesheet) + return new CueSheet(*cuesheet); + if(0 != picture) + return new Picture(*picture); + if(0 != unknown) + return new Unknown(*unknown); + + FLAC__ASSERT(0); + return 0; + } + + // + // Prototype + // + + Prototype::Prototype(const Prototype &object): + object_(::FLAC__metadata_object_clone(object.object_)), + is_reference_(false) + { + FLAC__ASSERT(object.is_valid()); + } + + Prototype::Prototype(const ::FLAC__StreamMetadata &object): + object_(::FLAC__metadata_object_clone(&object)), + is_reference_(false) + { + } + + Prototype::Prototype(const ::FLAC__StreamMetadata *object): + object_(::FLAC__metadata_object_clone(object)), + is_reference_(false) + { + FLAC__ASSERT(0 != object); + } + + Prototype::Prototype(::FLAC__StreamMetadata *object, bool copy): + object_(copy? ::FLAC__metadata_object_clone(object) : object), + is_reference_(false) + { + FLAC__ASSERT(0 != object); + } + + Prototype::~Prototype() + { + clear(); + } + + void Prototype::clear() + { + if(0 != object_ && !is_reference_) + FLAC__metadata_object_delete(object_); + object_ = 0; + } + + Prototype &Prototype::operator=(const Prototype &object) + { + FLAC__ASSERT(object.is_valid()); + clear(); + is_reference_ = false; + object_ = ::FLAC__metadata_object_clone(object.object_); + return *this; + } + + Prototype &Prototype::operator=(const ::FLAC__StreamMetadata &object) + { + clear(); + is_reference_ = false; + object_ = ::FLAC__metadata_object_clone(&object); + return *this; + } + + Prototype &Prototype::operator=(const ::FLAC__StreamMetadata *object) + { + FLAC__ASSERT(0 != object); + clear(); + is_reference_ = false; + object_ = ::FLAC__metadata_object_clone(object); + return *this; + } + + Prototype &Prototype::assign_object(::FLAC__StreamMetadata *object, bool copy) + { + FLAC__ASSERT(0 != object); + clear(); + object_ = (copy? ::FLAC__metadata_object_clone(object) : object); + is_reference_ = false; + return *this; + } + + bool Prototype::get_is_last() const + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(object_->is_last); + } + + FLAC__MetadataType Prototype::get_type() const + { + FLAC__ASSERT(is_valid()); + return object_->type; + } + + uint32_t Prototype::get_length() const + { + FLAC__ASSERT(is_valid()); + return object_->length; + } + + void Prototype::set_is_last(bool value) + { + FLAC__ASSERT(is_valid()); + object_->is_last = value; + } + + + // + // StreamInfo + // + + StreamInfo::StreamInfo(): + Prototype(FLAC__metadata_object_new(FLAC__METADATA_TYPE_STREAMINFO), /*copy=*/false) + { } + + StreamInfo::~StreamInfo() + { } + + uint32_t StreamInfo::get_min_blocksize() const + { + FLAC__ASSERT(is_valid()); + return object_->data.stream_info.min_blocksize; + } + + uint32_t StreamInfo::get_max_blocksize() const + { + FLAC__ASSERT(is_valid()); + return object_->data.stream_info.max_blocksize; + } + + uint32_t StreamInfo::get_min_framesize() const + { + FLAC__ASSERT(is_valid()); + return object_->data.stream_info.min_framesize; + } + + uint32_t StreamInfo::get_max_framesize() const + { + FLAC__ASSERT(is_valid()); + return object_->data.stream_info.max_framesize; + } + + uint32_t StreamInfo::get_sample_rate() const + { + FLAC__ASSERT(is_valid()); + return object_->data.stream_info.sample_rate; + } + + uint32_t StreamInfo::get_channels() const + { + FLAC__ASSERT(is_valid()); + return object_->data.stream_info.channels; + } + + uint32_t StreamInfo::get_bits_per_sample() const + { + FLAC__ASSERT(is_valid()); + return object_->data.stream_info.bits_per_sample; + } + + FLAC__uint64 StreamInfo::get_total_samples() const + { + FLAC__ASSERT(is_valid()); + return object_->data.stream_info.total_samples; + } + + const FLAC__byte *StreamInfo::get_md5sum() const + { + FLAC__ASSERT(is_valid()); + return object_->data.stream_info.md5sum; + } + + void StreamInfo::set_min_blocksize(uint32_t value) + { + FLAC__ASSERT(is_valid()); + FLAC__ASSERT(value >= FLAC__MIN_BLOCK_SIZE); + FLAC__ASSERT(value <= FLAC__MAX_BLOCK_SIZE); + object_->data.stream_info.min_blocksize = value; + } + + void StreamInfo::set_max_blocksize(uint32_t value) + { + FLAC__ASSERT(is_valid()); + FLAC__ASSERT(value >= FLAC__MIN_BLOCK_SIZE); + FLAC__ASSERT(value <= FLAC__MAX_BLOCK_SIZE); + object_->data.stream_info.max_blocksize = value; + } + + void StreamInfo::set_min_framesize(uint32_t value) + { + FLAC__ASSERT(is_valid()); + FLAC__ASSERT(value < (1u << FLAC__STREAM_METADATA_STREAMINFO_MIN_FRAME_SIZE_LEN)); + object_->data.stream_info.min_framesize = value; + } + + void StreamInfo::set_max_framesize(uint32_t value) + { + FLAC__ASSERT(is_valid()); + FLAC__ASSERT(value < (1u << FLAC__STREAM_METADATA_STREAMINFO_MAX_FRAME_SIZE_LEN)); + object_->data.stream_info.max_framesize = value; + } + + void StreamInfo::set_sample_rate(uint32_t value) + { + FLAC__ASSERT(is_valid()); + FLAC__ASSERT(FLAC__format_sample_rate_is_valid(value)); + object_->data.stream_info.sample_rate = value; + } + + void StreamInfo::set_channels(uint32_t value) + { + FLAC__ASSERT(is_valid()); + FLAC__ASSERT(value > 0); + FLAC__ASSERT(value <= FLAC__MAX_CHANNELS); + object_->data.stream_info.channels = value; + } + + void StreamInfo::set_bits_per_sample(uint32_t value) + { + FLAC__ASSERT(is_valid()); + FLAC__ASSERT(value >= FLAC__MIN_BITS_PER_SAMPLE); + FLAC__ASSERT(value <= FLAC__MAX_BITS_PER_SAMPLE); + object_->data.stream_info.bits_per_sample = value; + } + + void StreamInfo::set_total_samples(FLAC__uint64 value) + { + FLAC__ASSERT(is_valid()); + FLAC__ASSERT(value < (((FLAC__uint64)1) << FLAC__STREAM_METADATA_STREAMINFO_TOTAL_SAMPLES_LEN)); + object_->data.stream_info.total_samples = value; + } + + void StreamInfo::set_md5sum(const FLAC__byte value[16]) + { + FLAC__ASSERT(is_valid()); + FLAC__ASSERT(0 != value); + std::memcpy(object_->data.stream_info.md5sum, value, 16); + } + + + // + // Padding + // + + Padding::Padding(): + Prototype(FLAC__metadata_object_new(FLAC__METADATA_TYPE_PADDING), /*copy=*/false) + { } + + Padding::Padding(uint32_t length): + Prototype(FLAC__metadata_object_new(FLAC__METADATA_TYPE_PADDING), /*copy=*/false) + { + set_length(length); + } + + Padding::~Padding() + { } + + void Padding::set_length(uint32_t length) + { + FLAC__ASSERT(is_valid()); + object_->length = length; + } + + + // + // Application + // + + Application::Application(): + Prototype(FLAC__metadata_object_new(FLAC__METADATA_TYPE_APPLICATION), /*copy=*/false) + { } + + Application::~Application() + { } + + const FLAC__byte *Application::get_id() const + { + FLAC__ASSERT(is_valid()); + return object_->data.application.id; + } + + const FLAC__byte *Application::get_data() const + { + FLAC__ASSERT(is_valid()); + return object_->data.application.data; + } + + void Application::set_id(const FLAC__byte value[4]) + { + FLAC__ASSERT(is_valid()); + FLAC__ASSERT(0 != value); + std::memcpy(object_->data.application.id, value, 4); + } + + bool Application::set_data(const FLAC__byte *data, uint32_t length) + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__metadata_object_application_set_data(object_, const_cast<FLAC__byte*>(data), length, true)); + } + + bool Application::set_data(FLAC__byte *data, uint32_t length, bool copy) + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__metadata_object_application_set_data(object_, data, length, copy)); + } + + + // + // SeekTable + // + + SeekTable::SeekTable(): + Prototype(FLAC__metadata_object_new(FLAC__METADATA_TYPE_SEEKTABLE), /*copy=*/false) + { } + + SeekTable::~SeekTable() + { } + + uint32_t SeekTable::get_num_points() const + { + FLAC__ASSERT(is_valid()); + return object_->data.seek_table.num_points; + } + + ::FLAC__StreamMetadata_SeekPoint SeekTable::get_point(uint32_t indx) const + { + FLAC__ASSERT(is_valid()); + FLAC__ASSERT(indx < object_->data.seek_table.num_points); + return object_->data.seek_table.points[indx]; + } + + bool SeekTable::resize_points(uint32_t new_num_points) + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__metadata_object_seektable_resize_points(object_, new_num_points)); + } + + void SeekTable::set_point(uint32_t indx, const ::FLAC__StreamMetadata_SeekPoint &point) + { + FLAC__ASSERT(is_valid()); + FLAC__ASSERT(indx < object_->data.seek_table.num_points); + ::FLAC__metadata_object_seektable_set_point(object_, indx, point); + } + + bool SeekTable::insert_point(uint32_t indx, const ::FLAC__StreamMetadata_SeekPoint &point) + { + FLAC__ASSERT(is_valid()); + FLAC__ASSERT(indx <= object_->data.seek_table.num_points); + return static_cast<bool>(::FLAC__metadata_object_seektable_insert_point(object_, indx, point)); + } + + bool SeekTable::delete_point(uint32_t indx) + { + FLAC__ASSERT(is_valid()); + FLAC__ASSERT(indx < object_->data.seek_table.num_points); + return static_cast<bool>(::FLAC__metadata_object_seektable_delete_point(object_, indx)); + } + + bool SeekTable::is_legal() const + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__metadata_object_seektable_is_legal(object_)); + } + + bool SeekTable::template_append_placeholders(uint32_t num) + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__metadata_object_seektable_template_append_placeholders(object_, num)); + } + + bool SeekTable::template_append_point(FLAC__uint64 sample_number) + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__metadata_object_seektable_template_append_point(object_, sample_number)); + } + + bool SeekTable::template_append_points(FLAC__uint64 sample_numbers[], uint32_t num) + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__metadata_object_seektable_template_append_points(object_, sample_numbers, num)); + } + + bool SeekTable::template_append_spaced_points(uint32_t num, FLAC__uint64 total_samples) + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__metadata_object_seektable_template_append_spaced_points(object_, num, total_samples)); + } + + bool SeekTable::template_append_spaced_points_by_samples(uint32_t samples, FLAC__uint64 total_samples) + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__metadata_object_seektable_template_append_spaced_points_by_samples(object_, samples, total_samples)); + } + + bool SeekTable::template_sort(bool compact) + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__metadata_object_seektable_template_sort(object_, compact)); + } + + + // + // VorbisComment::Entry + // + + VorbisComment::Entry::Entry() : + is_valid_(true), + entry_(), + field_name_(0), + field_name_length_(0), + field_value_(0), + field_value_length_(0) + { + zero(); + } + + VorbisComment::Entry::Entry(const char *field, uint32_t field_length) : + is_valid_(true), + entry_(), + field_name_(0), + field_name_length_(0), + field_value_(0), + field_value_length_(0) + { + zero(); + construct(field, field_length); + } + + VorbisComment::Entry::Entry(const char *field) : + is_valid_(true), + entry_(), + field_name_(0), + field_name_length_(0), + field_value_(0), + field_value_length_(0) + { + zero(); + construct(field); + } + + VorbisComment::Entry::Entry(const char *field_name, const char *field_value, uint32_t field_value_length) : + is_valid_(true), + entry_(), + field_name_(0), + field_name_length_(0), + field_value_(0), + field_value_length_(0) + { + zero(); + construct(field_name, field_value, field_value_length); + } + + VorbisComment::Entry::Entry(const char *field_name, const char *field_value) : + is_valid_(true), + entry_(), + field_name_(0), + field_name_length_(0), + field_value_(0), + field_value_length_(0) + { + zero(); + construct(field_name, field_value); + } + + VorbisComment::Entry::Entry(const Entry &entry) : + is_valid_(true), + entry_(), + field_name_(0), + field_name_length_(0), + field_value_(0), + field_value_length_(0) + { + FLAC__ASSERT(entry.is_valid()); + zero(); + construct(reinterpret_cast<const char *>(entry.entry_.entry), entry.entry_.length); + } + + VorbisComment::Entry &VorbisComment::Entry::operator=(const Entry &entry) + { + FLAC__ASSERT(entry.is_valid()); + clear(); + construct(reinterpret_cast<const char *>(entry.entry_.entry), entry.entry_.length); + return *this; + } + + VorbisComment::Entry::~Entry() + { + clear(); + } + + bool VorbisComment::Entry::is_valid() const + { + return is_valid_; + } + + uint32_t VorbisComment::Entry::get_field_length() const + { + FLAC__ASSERT(is_valid()); + return entry_.length; + } + + uint32_t VorbisComment::Entry::get_field_name_length() const + { + FLAC__ASSERT(is_valid()); + return field_name_length_; + } + + uint32_t VorbisComment::Entry::get_field_value_length() const + { + FLAC__ASSERT(is_valid()); + return field_value_length_; + } + + ::FLAC__StreamMetadata_VorbisComment_Entry VorbisComment::Entry::get_entry() const + { + FLAC__ASSERT(is_valid()); + return entry_; + } + + const char *VorbisComment::Entry::get_field() const + { + FLAC__ASSERT(is_valid()); + return reinterpret_cast<const char *>(entry_.entry); + } + + const char *VorbisComment::Entry::get_field_name() const + { + FLAC__ASSERT(is_valid()); + return field_name_; + } + + const char *VorbisComment::Entry::get_field_value() const + { + FLAC__ASSERT(is_valid()); + return field_value_; + } + + bool VorbisComment::Entry::set_field(const char *field, uint32_t field_length) + { + FLAC__ASSERT(is_valid()); + FLAC__ASSERT(0 != field); + + if(!::FLAC__format_vorbiscomment_entry_is_legal(reinterpret_cast<const ::FLAC__byte*>(field), field_length)) + return is_valid_ = false; + + clear_entry(); + + if(0 == (entry_.entry = static_cast<FLAC__byte*>(safe_malloc_add_2op_(field_length, /*+*/1)))) { + is_valid_ = false; + } + else { + entry_.length = field_length; + std::memcpy(entry_.entry, field, field_length); + entry_.entry[field_length] = '\0'; + (void) parse_field(); + } + + return is_valid_; + } + + bool VorbisComment::Entry::set_field(const char *field) + { + return set_field(field, std::strlen(field)); + } + + bool VorbisComment::Entry::set_field_name(const char *field_name) + { + FLAC__ASSERT(is_valid()); + FLAC__ASSERT(0 != field_name); + + if(!::FLAC__format_vorbiscomment_entry_name_is_legal(field_name)) + return is_valid_ = false; + + clear_field_name(); + + if(0 == (field_name_ = strdup(field_name))) { + is_valid_ = false; + } + else { + field_name_length_ = std::strlen(field_name_); + compose_field(); + } + + return is_valid_; + } + + bool VorbisComment::Entry::set_field_value(const char *field_value, uint32_t field_value_length) + { + FLAC__ASSERT(is_valid()); + FLAC__ASSERT(0 != field_value); + + if(!::FLAC__format_vorbiscomment_entry_value_is_legal(reinterpret_cast<const FLAC__byte*>(field_value), field_value_length)) + return is_valid_ = false; + + clear_field_value(); + + if(0 == (field_value_ = static_cast<char *>(safe_malloc_add_2op_(field_value_length, /*+*/1)))) { + is_valid_ = false; + } + else { + field_value_length_ = field_value_length; + std::memcpy(field_value_, field_value, field_value_length); + field_value_[field_value_length] = '\0'; + compose_field(); + } + + return is_valid_; + } + + bool VorbisComment::Entry::set_field_value(const char *field_value) + { + return set_field_value(field_value, std::strlen(field_value)); + } + + void VorbisComment::Entry::zero() + { + is_valid_ = true; + entry_.length = 0; + entry_.entry = 0; + field_name_ = 0; + field_name_length_ = 0; + field_value_ = 0; + field_value_length_ = 0; + } + + void VorbisComment::Entry::clear() + { + clear_entry(); + clear_field_name(); + clear_field_value(); + is_valid_ = true; + } + + void VorbisComment::Entry::clear_entry() + { + if(0 != entry_.entry) { + std::free(entry_.entry); + entry_.entry = 0; + entry_.length = 0; + } + } + + void VorbisComment::Entry::clear_field_name() + { + if(0 != field_name_) { + std::free(field_name_); + field_name_ = 0; + field_name_length_ = 0; + } + } + + void VorbisComment::Entry::clear_field_value() + { + if(0 != field_value_) { + std::free(field_value_); + field_value_ = 0; + field_value_length_ = 0; + } + } + + void VorbisComment::Entry::construct(const char *field, uint32_t field_length) + { + if(set_field(field, field_length)) + parse_field(); + } + + void VorbisComment::Entry::construct(const char *field) + { + construct(field, std::strlen(field)); + } + + void VorbisComment::Entry::construct(const char *field_name, const char *field_value, uint32_t field_value_length) + { + if(set_field_name(field_name) && set_field_value(field_value, field_value_length)) + compose_field(); + } + + void VorbisComment::Entry::construct(const char *field_name, const char *field_value) + { + construct(field_name, field_value, std::strlen(field_value)); + } + + void VorbisComment::Entry::compose_field() + { + clear_entry(); + + if(0 == (entry_.entry = static_cast<FLAC__byte*>(safe_malloc_add_4op_(field_name_length_, /*+*/1, /*+*/field_value_length_, /*+*/1)))) { + is_valid_ = false; + } + else { + std::memcpy(entry_.entry, field_name_, field_name_length_); + entry_.length += field_name_length_; + std::memcpy(entry_.entry + entry_.length, "=", 1); + entry_.length += 1; + if (field_value_length_ > 0) + std::memcpy(entry_.entry + entry_.length, field_value_, field_value_length_); + entry_.length += field_value_length_; + entry_.entry[entry_.length] = '\0'; + is_valid_ = true; + } + } + + void VorbisComment::Entry::parse_field() + { + clear_field_name(); + clear_field_value(); + + const char *p = static_cast<const char *>(std::memchr(entry_.entry, '=', entry_.length)); + + if(0 == p) + p = reinterpret_cast<const char *>(entry_.entry) + entry_.length; + + field_name_length_ = static_cast<uint32_t>(p - reinterpret_cast<const char *>(entry_.entry)); + if(0 == (field_name_ = static_cast<char *>(safe_malloc_add_2op_(field_name_length_, /*+*/1)))) { // +1 for the trailing \0 + is_valid_ = false; + return; + } + std::memcpy(field_name_, entry_.entry, field_name_length_); + field_name_[field_name_length_] = '\0'; + + if(entry_.length - field_name_length_ == 0) { + field_value_length_ = 0; + if(0 == (field_value_ = static_cast<char *>(safe_malloc_(0)))) { + is_valid_ = false; + return; + } + } + else { + field_value_length_ = entry_.length - field_name_length_ - 1; + if(0 == (field_value_ = static_cast<char *>(safe_malloc_add_2op_(field_value_length_, /*+*/1)))) { // +1 for the trailing \0 + is_valid_ = false; + return; + } + std::memcpy(field_value_, ++p, field_value_length_); + field_value_[field_value_length_] = '\0'; + } + + is_valid_ = true; + } + + + // + // VorbisComment + // + + VorbisComment::VorbisComment(): + Prototype(FLAC__metadata_object_new(FLAC__METADATA_TYPE_VORBIS_COMMENT), /*copy=*/false) + { } + + VorbisComment::~VorbisComment() + { } + + uint32_t VorbisComment::get_num_comments() const + { + FLAC__ASSERT(is_valid()); + return object_->data.vorbis_comment.num_comments; + } + + const FLAC__byte *VorbisComment::get_vendor_string() const + { + FLAC__ASSERT(is_valid()); + return object_->data.vorbis_comment.vendor_string.entry; + } + + VorbisComment::Entry VorbisComment::get_comment(uint32_t indx) const + { + FLAC__ASSERT(is_valid()); + FLAC__ASSERT(indx < object_->data.vorbis_comment.num_comments); + return Entry(reinterpret_cast<const char *>(object_->data.vorbis_comment.comments[indx].entry), object_->data.vorbis_comment.comments[indx].length); + } + + bool VorbisComment::set_vendor_string(const FLAC__byte *string) + { + FLAC__ASSERT(is_valid()); + // vendor_string is a special kind of entry + const ::FLAC__StreamMetadata_VorbisComment_Entry vendor_string = { static_cast<FLAC__uint32>(std::strlen(reinterpret_cast<const char *>(string))), const_cast<FLAC__byte*>(string) }; // we can cheat on const-ness because we make a copy below: + return static_cast<bool>(::FLAC__metadata_object_vorbiscomment_set_vendor_string(object_, vendor_string, /*copy=*/true)); + } + + bool VorbisComment::resize_comments(uint32_t new_num_comments) + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__metadata_object_vorbiscomment_resize_comments(object_, new_num_comments)); + } + + bool VorbisComment::set_comment(uint32_t indx, const VorbisComment::Entry &entry) + { + FLAC__ASSERT(is_valid()); + FLAC__ASSERT(indx < object_->data.vorbis_comment.num_comments); + return static_cast<bool>(::FLAC__metadata_object_vorbiscomment_set_comment(object_, indx, entry.get_entry(), /*copy=*/true)); + } + + bool VorbisComment::insert_comment(uint32_t indx, const VorbisComment::Entry &entry) + { + FLAC__ASSERT(is_valid()); + FLAC__ASSERT(indx <= object_->data.vorbis_comment.num_comments); + return static_cast<bool>(::FLAC__metadata_object_vorbiscomment_insert_comment(object_, indx, entry.get_entry(), /*copy=*/true)); + } + + bool VorbisComment::append_comment(const VorbisComment::Entry &entry) + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__metadata_object_vorbiscomment_append_comment(object_, entry.get_entry(), /*copy=*/true)); + } + + bool VorbisComment::replace_comment(const VorbisComment::Entry &entry, bool all) + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__metadata_object_vorbiscomment_replace_comment(object_, entry.get_entry(), static_cast<FLAC__bool>(all), /*copy=*/true)); + } + + bool VorbisComment::delete_comment(uint32_t indx) + { + FLAC__ASSERT(is_valid()); + FLAC__ASSERT(indx < object_->data.vorbis_comment.num_comments); + return static_cast<bool>(::FLAC__metadata_object_vorbiscomment_delete_comment(object_, indx)); + } + + int VorbisComment::find_entry_from(uint32_t offset, const char *field_name) + { + FLAC__ASSERT(is_valid()); + return ::FLAC__metadata_object_vorbiscomment_find_entry_from(object_, offset, field_name); + } + + int VorbisComment::remove_entry_matching(const char *field_name) + { + FLAC__ASSERT(is_valid()); + return ::FLAC__metadata_object_vorbiscomment_remove_entry_matching(object_, field_name); + } + + int VorbisComment::remove_entries_matching(const char *field_name) + { + FLAC__ASSERT(is_valid()); + return ::FLAC__metadata_object_vorbiscomment_remove_entries_matching(object_, field_name); + } + + + // + // CueSheet::Track + // + + CueSheet::Track::Track(): + object_(::FLAC__metadata_object_cuesheet_track_new()) + { } + + CueSheet::Track::Track(const ::FLAC__StreamMetadata_CueSheet_Track *track): + object_(::FLAC__metadata_object_cuesheet_track_clone(track)) + { } + + CueSheet::Track::Track(const Track &track): + object_(::FLAC__metadata_object_cuesheet_track_clone(track.object_)) + { } + + CueSheet::Track &CueSheet::Track::operator=(const Track &track) + { + if(0 != object_) + ::FLAC__metadata_object_cuesheet_track_delete(object_); + object_ = ::FLAC__metadata_object_cuesheet_track_clone(track.object_); + return *this; + } + + CueSheet::Track::~Track() + { + if(0 != object_) + ::FLAC__metadata_object_cuesheet_track_delete(object_); + } + + bool CueSheet::Track::is_valid() const + { + return(0 != object_); + } + + ::FLAC__StreamMetadata_CueSheet_Index CueSheet::Track::get_index(uint32_t i) const + { + FLAC__ASSERT(is_valid()); + FLAC__ASSERT(i < object_->num_indices); + return object_->indices[i]; + } + + void CueSheet::Track::set_isrc(const char value[12]) + { + FLAC__ASSERT(is_valid()); + FLAC__ASSERT(0 != value); + std::memcpy(object_->isrc, value, 12); + object_->isrc[12] = '\0'; + } + + void CueSheet::Track::set_type(uint32_t value) + { + FLAC__ASSERT(is_valid()); + FLAC__ASSERT(value <= 1); + object_->type = value; + } + + void CueSheet::Track::set_index(uint32_t i, const ::FLAC__StreamMetadata_CueSheet_Index &indx) + { + FLAC__ASSERT(is_valid()); + FLAC__ASSERT(i < object_->num_indices); + object_->indices[i] = indx; + } + + + // + // CueSheet + // + + CueSheet::CueSheet(): + Prototype(FLAC__metadata_object_new(FLAC__METADATA_TYPE_CUESHEET), /*copy=*/false) + { } + + CueSheet::~CueSheet() + { } + + const char *CueSheet::get_media_catalog_number() const + { + FLAC__ASSERT(is_valid()); + return object_->data.cue_sheet.media_catalog_number; + } + + FLAC__uint64 CueSheet::get_lead_in() const + { + FLAC__ASSERT(is_valid()); + return object_->data.cue_sheet.lead_in; + } + + bool CueSheet::get_is_cd() const + { + FLAC__ASSERT(is_valid()); + return object_->data.cue_sheet.is_cd? true : false; + } + + uint32_t CueSheet::get_num_tracks() const + { + FLAC__ASSERT(is_valid()); + return object_->data.cue_sheet.num_tracks; + } + + CueSheet::Track CueSheet::get_track(uint32_t i) const + { + FLAC__ASSERT(is_valid()); + FLAC__ASSERT(i < object_->data.cue_sheet.num_tracks); + return Track(object_->data.cue_sheet.tracks + i); + } + + void CueSheet::set_media_catalog_number(const char value[128]) + { + FLAC__ASSERT(is_valid()); + FLAC__ASSERT(0 != value); + std::memcpy(object_->data.cue_sheet.media_catalog_number, value, 128); + object_->data.cue_sheet.media_catalog_number[128] = '\0'; + } + + void CueSheet::set_lead_in(FLAC__uint64 value) + { + FLAC__ASSERT(is_valid()); + object_->data.cue_sheet.lead_in = value; + } + + void CueSheet::set_is_cd(bool value) + { + FLAC__ASSERT(is_valid()); + object_->data.cue_sheet.is_cd = value; + } + + void CueSheet::set_index(uint32_t track_num, uint32_t index_num, const ::FLAC__StreamMetadata_CueSheet_Index &indx) + { + FLAC__ASSERT(is_valid()); + FLAC__ASSERT(track_num < object_->data.cue_sheet.num_tracks); + FLAC__ASSERT(index_num < object_->data.cue_sheet.tracks[track_num].num_indices); + object_->data.cue_sheet.tracks[track_num].indices[index_num] = indx; + } + + bool CueSheet::resize_indices(uint32_t track_num, uint32_t new_num_indices) + { + FLAC__ASSERT(is_valid()); + FLAC__ASSERT(track_num < object_->data.cue_sheet.num_tracks); + return static_cast<bool>(::FLAC__metadata_object_cuesheet_track_resize_indices(object_, track_num, new_num_indices)); + } + + bool CueSheet::insert_index(uint32_t track_num, uint32_t index_num, const ::FLAC__StreamMetadata_CueSheet_Index &indx) + { + FLAC__ASSERT(is_valid()); + FLAC__ASSERT(track_num < object_->data.cue_sheet.num_tracks); + FLAC__ASSERT(index_num <= object_->data.cue_sheet.tracks[track_num].num_indices); + return static_cast<bool>(::FLAC__metadata_object_cuesheet_track_insert_index(object_, track_num, index_num, indx)); + } + + bool CueSheet::insert_blank_index(uint32_t track_num, uint32_t index_num) + { + FLAC__ASSERT(is_valid()); + FLAC__ASSERT(track_num < object_->data.cue_sheet.num_tracks); + FLAC__ASSERT(index_num <= object_->data.cue_sheet.tracks[track_num].num_indices); + return static_cast<bool>(::FLAC__metadata_object_cuesheet_track_insert_blank_index(object_, track_num, index_num)); + } + + bool CueSheet::delete_index(uint32_t track_num, uint32_t index_num) + { + FLAC__ASSERT(is_valid()); + FLAC__ASSERT(track_num < object_->data.cue_sheet.num_tracks); + FLAC__ASSERT(index_num < object_->data.cue_sheet.tracks[track_num].num_indices); + return static_cast<bool>(::FLAC__metadata_object_cuesheet_track_delete_index(object_, track_num, index_num)); + } + + bool CueSheet::resize_tracks(uint32_t new_num_tracks) + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__metadata_object_cuesheet_resize_tracks(object_, new_num_tracks)); + } + + bool CueSheet::set_track(uint32_t i, const CueSheet::Track &track) + { + FLAC__ASSERT(is_valid()); + FLAC__ASSERT(i < object_->data.cue_sheet.num_tracks); + // We can safely const_cast since copy=true + return static_cast<bool>(::FLAC__metadata_object_cuesheet_set_track(object_, i, const_cast< ::FLAC__StreamMetadata_CueSheet_Track*>(track.get_track()), /*copy=*/true)); + } + + bool CueSheet::insert_track(uint32_t i, const CueSheet::Track &track) + { + FLAC__ASSERT(is_valid()); + FLAC__ASSERT(i <= object_->data.cue_sheet.num_tracks); + // We can safely const_cast since copy=true + return static_cast<bool>(::FLAC__metadata_object_cuesheet_insert_track(object_, i, const_cast< ::FLAC__StreamMetadata_CueSheet_Track*>(track.get_track()), /*copy=*/true)); + } + + bool CueSheet::insert_blank_track(uint32_t i) + { + FLAC__ASSERT(is_valid()); + FLAC__ASSERT(i <= object_->data.cue_sheet.num_tracks); + return static_cast<bool>(::FLAC__metadata_object_cuesheet_insert_blank_track(object_, i)); + } + + bool CueSheet::delete_track(uint32_t i) + { + FLAC__ASSERT(is_valid()); + FLAC__ASSERT(i < object_->data.cue_sheet.num_tracks); + return static_cast<bool>(::FLAC__metadata_object_cuesheet_delete_track(object_, i)); + } + + bool CueSheet::is_legal(bool check_cd_da_subset, const char **violation) const + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__metadata_object_cuesheet_is_legal(object_, check_cd_da_subset, violation)); + } + + FLAC__uint32 CueSheet::calculate_cddb_id() const + { + FLAC__ASSERT(is_valid()); + return ::FLAC__metadata_object_cuesheet_calculate_cddb_id(object_); + } + + + // + // Picture + // + + Picture::Picture(): + Prototype(FLAC__metadata_object_new(FLAC__METADATA_TYPE_PICTURE), /*copy=*/false) + { } + + Picture::~Picture() + { } + + ::FLAC__StreamMetadata_Picture_Type Picture::get_type() const + { + FLAC__ASSERT(is_valid()); + return object_->data.picture.type; + } + + const char *Picture::get_mime_type() const + { + FLAC__ASSERT(is_valid()); + return object_->data.picture.mime_type; + } + + const FLAC__byte *Picture::get_description() const + { + FLAC__ASSERT(is_valid()); + return object_->data.picture.description; + } + + FLAC__uint32 Picture::get_width() const + { + FLAC__ASSERT(is_valid()); + return object_->data.picture.width; + } + + FLAC__uint32 Picture::get_height() const + { + FLAC__ASSERT(is_valid()); + return object_->data.picture.height; + } + + FLAC__uint32 Picture::get_depth() const + { + FLAC__ASSERT(is_valid()); + return object_->data.picture.depth; + } + + FLAC__uint32 Picture::get_colors() const + { + FLAC__ASSERT(is_valid()); + return object_->data.picture.colors; + } + + FLAC__uint32 Picture::get_data_length() const + { + FLAC__ASSERT(is_valid()); + return object_->data.picture.data_length; + } + + const FLAC__byte *Picture::get_data() const + { + FLAC__ASSERT(is_valid()); + return object_->data.picture.data; + } + + void Picture::set_type(::FLAC__StreamMetadata_Picture_Type type) + { + FLAC__ASSERT(is_valid()); + object_->data.picture.type = type; + } + + bool Picture::set_mime_type(const char *string) + { + FLAC__ASSERT(is_valid()); + // We can safely const_cast since copy=true + return static_cast<bool>(::FLAC__metadata_object_picture_set_mime_type(object_, const_cast<char*>(string), /*copy=*/true)); + } + + bool Picture::set_description(const FLAC__byte *string) + { + FLAC__ASSERT(is_valid()); + // We can safely const_cast since copy=true + return static_cast<bool>(::FLAC__metadata_object_picture_set_description(object_, const_cast<FLAC__byte*>(string), /*copy=*/true)); + } + + void Picture::set_width(FLAC__uint32 value) const + { + FLAC__ASSERT(is_valid()); + object_->data.picture.width = value; + } + + void Picture::set_height(FLAC__uint32 value) const + { + FLAC__ASSERT(is_valid()); + object_->data.picture.height = value; + } + + void Picture::set_depth(FLAC__uint32 value) const + { + FLAC__ASSERT(is_valid()); + object_->data.picture.depth = value; + } + + void Picture::set_colors(FLAC__uint32 value) const + { + FLAC__ASSERT(is_valid()); + object_->data.picture.colors = value; + } + + bool Picture::set_data(const FLAC__byte *data, FLAC__uint32 data_length) + { + FLAC__ASSERT(is_valid()); + // We can safely const_cast since copy=true + return static_cast<bool>(::FLAC__metadata_object_picture_set_data(object_, const_cast<FLAC__byte*>(data), data_length, /*copy=*/true)); + } + + bool Picture::is_legal(const char **violation) + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__metadata_object_picture_is_legal(object_, violation)); + } + + + // + // Unknown + // + + Unknown::Unknown(): + Prototype(FLAC__metadata_object_new(FLAC__METADATA_TYPE_APPLICATION), /*copy=*/false) + { } + + Unknown::~Unknown() + { } + + const FLAC__byte *Unknown::get_data() const + { + FLAC__ASSERT(is_valid()); + return object_->data.application.data; + } + + bool Unknown::set_data(const FLAC__byte *data, uint32_t length) + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__metadata_object_application_set_data(object_, const_cast<FLAC__byte*>(data), length, true)); + } + + bool Unknown::set_data(FLAC__byte *data, uint32_t length, bool copy) + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__metadata_object_application_set_data(object_, data, length, copy)); + } + + + // ============================================================ + // + // Level 0 + // + // ============================================================ + + FLACPP_API bool get_streaminfo(const char *filename, StreamInfo &streaminfo) + { + FLAC__ASSERT(0 != filename); + + ::FLAC__StreamMetadata object; + + if(::FLAC__metadata_get_streaminfo(filename, &object)) { + streaminfo = object; + return true; + } + else + return false; + } + + FLACPP_API bool get_tags(const char *filename, VorbisComment *&tags) + { + FLAC__ASSERT(0 != filename); + + ::FLAC__StreamMetadata *object; + + tags = 0; + + if(::FLAC__metadata_get_tags(filename, &object)) { + tags = new VorbisComment(object, /*copy=*/false); + return true; + } + else + return false; + } + + FLACPP_API bool get_tags(const char *filename, VorbisComment &tags) + { + FLAC__ASSERT(0 != filename); + + ::FLAC__StreamMetadata *object; + + if(::FLAC__metadata_get_tags(filename, &object)) { + tags.assign(object, /*copy=*/false); + return true; + } + else + return false; + } + + FLACPP_API bool get_cuesheet(const char *filename, CueSheet *&cuesheet) + { + FLAC__ASSERT(0 != filename); + + ::FLAC__StreamMetadata *object; + + cuesheet = 0; + + if(::FLAC__metadata_get_cuesheet(filename, &object)) { + cuesheet = new CueSheet(object, /*copy=*/false); + return true; + } + else + return false; + } + + FLACPP_API bool get_cuesheet(const char *filename, CueSheet &cuesheet) + { + FLAC__ASSERT(0 != filename); + + ::FLAC__StreamMetadata *object; + + if(::FLAC__metadata_get_cuesheet(filename, &object)) { + cuesheet.assign(object, /*copy=*/false); + return true; + } + else + return false; + } + + FLACPP_API bool get_picture(const char *filename, Picture *&picture, ::FLAC__StreamMetadata_Picture_Type type, const char *mime_type, const FLAC__byte *description, uint32_t max_width, uint32_t max_height, uint32_t max_depth, uint32_t max_colors) + { + FLAC__ASSERT(0 != filename); + + ::FLAC__StreamMetadata *object; + + picture = 0; + + if(::FLAC__metadata_get_picture(filename, &object, type, mime_type, description, max_width, max_height, max_depth, max_colors)) { + picture = new Picture(object, /*copy=*/false); + return true; + } + else + return false; + } + + FLACPP_API bool get_picture(const char *filename, Picture &picture, ::FLAC__StreamMetadata_Picture_Type type, const char *mime_type, const FLAC__byte *description, uint32_t max_width, uint32_t max_height, uint32_t max_depth, uint32_t max_colors) + { + FLAC__ASSERT(0 != filename); + + ::FLAC__StreamMetadata *object; + + if(::FLAC__metadata_get_picture(filename, &object, type, mime_type, description, max_width, max_height, max_depth, max_colors)) { + picture.assign(object, /*copy=*/false); + return true; + } + else + return false; + } + + + // ============================================================ + // + // Level 1 + // + // ============================================================ + + SimpleIterator::SimpleIterator(): + iterator_(::FLAC__metadata_simple_iterator_new()) + { } + + SimpleIterator::~SimpleIterator() + { + clear(); + } + + void SimpleIterator::clear() + { + if(0 != iterator_) + FLAC__metadata_simple_iterator_delete(iterator_); + iterator_ = 0; + } + + bool SimpleIterator::init(const char *filename, bool read_only, bool preserve_file_stats) + { + FLAC__ASSERT(0 != filename); + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__metadata_simple_iterator_init(iterator_, filename, read_only, preserve_file_stats)); + } + + bool SimpleIterator::is_valid() const + { + return 0 != iterator_; + } + + SimpleIterator::Status SimpleIterator::status() + { + FLAC__ASSERT(is_valid()); + return Status(::FLAC__metadata_simple_iterator_status(iterator_)); + } + + bool SimpleIterator::is_writable() const + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__metadata_simple_iterator_is_writable(iterator_)); + } + + bool SimpleIterator::next() + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__metadata_simple_iterator_next(iterator_)); + } + + bool SimpleIterator::prev() + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__metadata_simple_iterator_prev(iterator_)); + } + + //@@@@ add to tests + bool SimpleIterator::is_last() const + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__metadata_simple_iterator_is_last(iterator_)); + } + + //@@@@ add to tests + off_t SimpleIterator::get_block_offset() const + { + FLAC__ASSERT(is_valid()); + return ::FLAC__metadata_simple_iterator_get_block_offset(iterator_); + } + + ::FLAC__MetadataType SimpleIterator::get_block_type() const + { + FLAC__ASSERT(is_valid()); + return ::FLAC__metadata_simple_iterator_get_block_type(iterator_); + } + + //@@@@ add to tests + uint32_t SimpleIterator::get_block_length() const + { + FLAC__ASSERT(is_valid()); + return ::FLAC__metadata_simple_iterator_get_block_length(iterator_); + } + + //@@@@ add to tests + bool SimpleIterator::get_application_id(FLAC__byte *id) + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__metadata_simple_iterator_get_application_id(iterator_, id)); + } + + Prototype *SimpleIterator::get_block() + { + FLAC__ASSERT(is_valid()); + return local::construct_block(::FLAC__metadata_simple_iterator_get_block(iterator_)); + } + + bool SimpleIterator::set_block(Prototype *block, bool use_padding) + { + FLAC__ASSERT(0 != block); + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__metadata_simple_iterator_set_block(iterator_, block->object_, use_padding)); + } + + bool SimpleIterator::insert_block_after(Prototype *block, bool use_padding) + { + FLAC__ASSERT(0 != block); + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__metadata_simple_iterator_insert_block_after(iterator_, block->object_, use_padding)); + } + + bool SimpleIterator::delete_block(bool use_padding) + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__metadata_simple_iterator_delete_block(iterator_, use_padding)); + } + + + // ============================================================ + // + // Level 2 + // + // ============================================================ + + Chain::Chain(): + chain_(::FLAC__metadata_chain_new()) + { } + + Chain::~Chain() + { + clear(); + } + + void Chain::clear() + { + if(0 != chain_) + FLAC__metadata_chain_delete(chain_); + chain_ = 0; + } + + bool Chain::is_valid() const + { + return 0 != chain_; + } + + Chain::Status Chain::status() + { + FLAC__ASSERT(is_valid()); + return Status(::FLAC__metadata_chain_status(chain_)); + } + + bool Chain::read(const char *filename, bool is_ogg) + { + FLAC__ASSERT(0 != filename); + FLAC__ASSERT(is_valid()); + return is_ogg? + static_cast<bool>(::FLAC__metadata_chain_read_ogg(chain_, filename)) : + static_cast<bool>(::FLAC__metadata_chain_read(chain_, filename)) + ; + } + + bool Chain::read(FLAC__IOHandle handle, ::FLAC__IOCallbacks callbacks, bool is_ogg) + { + FLAC__ASSERT(is_valid()); + return is_ogg? + static_cast<bool>(::FLAC__metadata_chain_read_ogg_with_callbacks(chain_, handle, callbacks)) : + static_cast<bool>(::FLAC__metadata_chain_read_with_callbacks(chain_, handle, callbacks)) + ; + } + + bool Chain::check_if_tempfile_needed(bool use_padding) + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__metadata_chain_check_if_tempfile_needed(chain_, use_padding)); + } + + bool Chain::write(bool use_padding, bool preserve_file_stats) + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__metadata_chain_write(chain_, use_padding, preserve_file_stats)); + } + + bool Chain::write(bool use_padding, ::FLAC__IOHandle handle, ::FLAC__IOCallbacks callbacks) + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__metadata_chain_write_with_callbacks(chain_, use_padding, handle, callbacks)); + } + + bool Chain::write(bool use_padding, ::FLAC__IOHandle handle, ::FLAC__IOCallbacks callbacks, ::FLAC__IOHandle temp_handle, ::FLAC__IOCallbacks temp_callbacks) + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__metadata_chain_write_with_callbacks_and_tempfile(chain_, use_padding, handle, callbacks, temp_handle, temp_callbacks)); + } + + void Chain::merge_padding() + { + FLAC__ASSERT(is_valid()); + ::FLAC__metadata_chain_merge_padding(chain_); + } + + void Chain::sort_padding() + { + FLAC__ASSERT(is_valid()); + ::FLAC__metadata_chain_sort_padding(chain_); + } + + + Iterator::Iterator(): + iterator_(::FLAC__metadata_iterator_new()) + { } + + Iterator::~Iterator() + { + clear(); + } + + void Iterator::clear() + { + if(0 != iterator_) + FLAC__metadata_iterator_delete(iterator_); + iterator_ = 0; + } + + bool Iterator::is_valid() const + { + return 0 != iterator_; + } + + void Iterator::init(Chain &chain) + { + FLAC__ASSERT(is_valid()); + FLAC__ASSERT(chain.is_valid()); + ::FLAC__metadata_iterator_init(iterator_, chain.chain_); + } + + bool Iterator::next() + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__metadata_iterator_next(iterator_)); + } + + bool Iterator::prev() + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__metadata_iterator_prev(iterator_)); + } + + ::FLAC__MetadataType Iterator::get_block_type() const + { + FLAC__ASSERT(is_valid()); + return ::FLAC__metadata_iterator_get_block_type(iterator_); + } + + Prototype *Iterator::get_block() + { + FLAC__ASSERT(is_valid()); + Prototype *block = local::construct_block(::FLAC__metadata_iterator_get_block(iterator_)); + if(0 != block) + block->set_reference(true); + return block; + } + + bool Iterator::set_block(Prototype *block) + { + FLAC__ASSERT(0 != block); + FLAC__ASSERT(is_valid()); + bool ret = static_cast<bool>(::FLAC__metadata_iterator_set_block(iterator_, block->object_)); + if(ret) { + block->set_reference(true); + delete block; + } + return ret; + } + + bool Iterator::delete_block(bool replace_with_padding) + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__metadata_iterator_delete_block(iterator_, replace_with_padding)); + } + + bool Iterator::insert_block_before(Prototype *block) + { + FLAC__ASSERT(0 != block); + FLAC__ASSERT(is_valid()); + bool ret = static_cast<bool>(::FLAC__metadata_iterator_insert_block_before(iterator_, block->object_)); + if(ret) { + block->set_reference(true); + delete block; + } + return ret; + } + + bool Iterator::insert_block_after(Prototype *block) + { + FLAC__ASSERT(0 != block); + FLAC__ASSERT(is_valid()); + bool ret = static_cast<bool>(::FLAC__metadata_iterator_insert_block_after(iterator_, block->object_)); + if(ret) { + block->set_reference(true); + delete block; + } + return ret; + } + + } // namespace Metadata +} // namespace FLAC diff --git a/src/libFLAC++/stream_decoder.cpp b/src/libFLAC++/stream_decoder.cpp new file mode 100644 index 0000000..6e351d9 --- /dev/null +++ b/src/libFLAC++/stream_decoder.cpp @@ -0,0 +1,394 @@ +/* libFLAC++ - Free Lossless Audio Codec library + * Copyright (C) 2002-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * - Neither the name of the Xiph.org Foundation nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "FLAC++/decoder.h" +#include "FLAC/assert.h" + +#ifdef _MSC_VER +// warning C4800: 'int' : forcing to bool 'true' or 'false' (performance warning) +#pragma warning ( disable : 4800 ) +#endif + +namespace FLAC { + namespace Decoder { + + // ------------------------------------------------------------ + // + // Stream + // + // ------------------------------------------------------------ + + Stream::Stream(): + decoder_(::FLAC__stream_decoder_new()) + { } + + Stream::~Stream() + { + if(0 != decoder_) { + (void)::FLAC__stream_decoder_finish(decoder_); + ::FLAC__stream_decoder_delete(decoder_); + } + } + + bool Stream::is_valid() const + { + return 0 != decoder_; + } + + bool Stream::set_ogg_serial_number(long value) + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__stream_decoder_set_ogg_serial_number(decoder_, value)); + } + + bool Stream::set_md5_checking(bool value) + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__stream_decoder_set_md5_checking(decoder_, value)); + } + + bool Stream::set_metadata_respond(::FLAC__MetadataType type) + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__stream_decoder_set_metadata_respond(decoder_, type)); + } + + bool Stream::set_metadata_respond_application(const FLAC__byte id[4]) + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__stream_decoder_set_metadata_respond_application(decoder_, id)); + } + + bool Stream::set_metadata_respond_all() + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__stream_decoder_set_metadata_respond_all(decoder_)); + } + + bool Stream::set_metadata_ignore(::FLAC__MetadataType type) + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__stream_decoder_set_metadata_ignore(decoder_, type)); + } + + bool Stream::set_metadata_ignore_application(const FLAC__byte id[4]) + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__stream_decoder_set_metadata_ignore_application(decoder_, id)); + } + + bool Stream::set_metadata_ignore_all() + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__stream_decoder_set_metadata_ignore_all(decoder_)); + } + + Stream::State Stream::get_state() const + { + FLAC__ASSERT(is_valid()); + return State(::FLAC__stream_decoder_get_state(decoder_)); + } + + bool Stream::get_md5_checking() const + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__stream_decoder_get_md5_checking(decoder_)); + } + + FLAC__uint64 Stream::get_total_samples() const + { + FLAC__ASSERT(is_valid()); + return ::FLAC__stream_decoder_get_total_samples(decoder_); + } + + uint32_t Stream::get_channels() const + { + FLAC__ASSERT(is_valid()); + return ::FLAC__stream_decoder_get_channels(decoder_); + } + + ::FLAC__ChannelAssignment Stream::get_channel_assignment() const + { + FLAC__ASSERT(is_valid()); + return ::FLAC__stream_decoder_get_channel_assignment(decoder_); + } + + uint32_t Stream::get_bits_per_sample() const + { + FLAC__ASSERT(is_valid()); + return ::FLAC__stream_decoder_get_bits_per_sample(decoder_); + } + + uint32_t Stream::get_sample_rate() const + { + FLAC__ASSERT(is_valid()); + return ::FLAC__stream_decoder_get_sample_rate(decoder_); + } + + uint32_t Stream::get_blocksize() const + { + FLAC__ASSERT(is_valid()); + return ::FLAC__stream_decoder_get_blocksize(decoder_); + } + + bool Stream::get_decode_position(FLAC__uint64 *position) const + { + FLAC__ASSERT(is_valid()); + return ::FLAC__stream_decoder_get_decode_position(decoder_, position); + } + + ::FLAC__StreamDecoderInitStatus Stream::init() + { + FLAC__ASSERT(is_valid()); + return ::FLAC__stream_decoder_init_stream(decoder_, read_callback_, seek_callback_, tell_callback_, length_callback_, eof_callback_, write_callback_, metadata_callback_, error_callback_, /*client_data=*/(void*)this); + } + + ::FLAC__StreamDecoderInitStatus Stream::init_ogg() + { + FLAC__ASSERT(is_valid()); + return ::FLAC__stream_decoder_init_ogg_stream(decoder_, read_callback_, seek_callback_, tell_callback_, length_callback_, eof_callback_, write_callback_, metadata_callback_, error_callback_, /*client_data=*/(void*)this); + } + + bool Stream::finish() + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__stream_decoder_finish(decoder_)); + } + + bool Stream::flush() + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__stream_decoder_flush(decoder_)); + } + + bool Stream::reset() + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__stream_decoder_reset(decoder_)); + } + + bool Stream::process_single() + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__stream_decoder_process_single(decoder_)); + } + + bool Stream::process_until_end_of_metadata() + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__stream_decoder_process_until_end_of_metadata(decoder_)); + } + + bool Stream::process_until_end_of_stream() + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__stream_decoder_process_until_end_of_stream(decoder_)); + } + + bool Stream::skip_single_frame() + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__stream_decoder_skip_single_frame(decoder_)); + } + + bool Stream::seek_absolute(FLAC__uint64 sample) + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__stream_decoder_seek_absolute(decoder_, sample)); + } + + ::FLAC__StreamDecoderSeekStatus Stream::seek_callback(FLAC__uint64 absolute_byte_offset) + { + (void)absolute_byte_offset; + return ::FLAC__STREAM_DECODER_SEEK_STATUS_UNSUPPORTED; + } + + ::FLAC__StreamDecoderTellStatus Stream::tell_callback(FLAC__uint64 *absolute_byte_offset) + { + (void)absolute_byte_offset; + return ::FLAC__STREAM_DECODER_TELL_STATUS_UNSUPPORTED; + } + + ::FLAC__StreamDecoderLengthStatus Stream::length_callback(FLAC__uint64 *stream_length) + { + (void)stream_length; + return ::FLAC__STREAM_DECODER_LENGTH_STATUS_UNSUPPORTED; + } + + bool Stream::eof_callback() + { + return false; + } + + void Stream::metadata_callback(const ::FLAC__StreamMetadata *metadata) + { + (void)metadata; + } + + ::FLAC__StreamDecoderReadStatus Stream::read_callback_(const ::FLAC__StreamDecoder *decoder, FLAC__byte buffer[], size_t *bytes, void *client_data) + { + (void)decoder; + FLAC__ASSERT(0 != client_data); + Stream *instance = reinterpret_cast<Stream *>(client_data); + FLAC__ASSERT(0 != instance); + return instance->read_callback(buffer, bytes); + } + + ::FLAC__StreamDecoderSeekStatus Stream::seek_callback_(const ::FLAC__StreamDecoder *decoder, FLAC__uint64 absolute_byte_offset, void *client_data) + { + (void) decoder; + FLAC__ASSERT(0 != client_data); + Stream *instance = reinterpret_cast<Stream *>(client_data); + FLAC__ASSERT(0 != instance); + return instance->seek_callback(absolute_byte_offset); + } + + ::FLAC__StreamDecoderTellStatus Stream::tell_callback_(const ::FLAC__StreamDecoder *decoder, FLAC__uint64 *absolute_byte_offset, void *client_data) + { + (void) decoder; + FLAC__ASSERT(0 != client_data); + Stream *instance = reinterpret_cast<Stream *>(client_data); + FLAC__ASSERT(0 != instance); + return instance->tell_callback(absolute_byte_offset); + } + + ::FLAC__StreamDecoderLengthStatus Stream::length_callback_(const ::FLAC__StreamDecoder *decoder, FLAC__uint64 *stream_length, void *client_data) + { + (void) decoder; + FLAC__ASSERT(0 != client_data); + Stream *instance = reinterpret_cast<Stream *>(client_data); + FLAC__ASSERT(0 != instance); + return instance->length_callback(stream_length); + } + + FLAC__bool Stream::eof_callback_(const ::FLAC__StreamDecoder *decoder, void *client_data) + { + (void) decoder; + FLAC__ASSERT(0 != client_data); + Stream *instance = reinterpret_cast<Stream *>(client_data); + FLAC__ASSERT(0 != instance); + return instance->eof_callback(); + } + + ::FLAC__StreamDecoderWriteStatus Stream::write_callback_(const ::FLAC__StreamDecoder *decoder, const ::FLAC__Frame *frame, const FLAC__int32 * const buffer[], void *client_data) + { + (void)decoder; + FLAC__ASSERT(0 != client_data); + Stream *instance = reinterpret_cast<Stream *>(client_data); + FLAC__ASSERT(0 != instance); + return instance->write_callback(frame, buffer); + } + + void Stream::metadata_callback_(const ::FLAC__StreamDecoder *decoder, const ::FLAC__StreamMetadata *metadata, void *client_data) + { + (void)decoder; + FLAC__ASSERT(0 != client_data); + Stream *instance = reinterpret_cast<Stream *>(client_data); + FLAC__ASSERT(0 != instance); + instance->metadata_callback(metadata); + } + + void Stream::error_callback_(const ::FLAC__StreamDecoder *decoder, ::FLAC__StreamDecoderErrorStatus status, void *client_data) + { + (void)decoder; + FLAC__ASSERT(0 != client_data); + Stream *instance = reinterpret_cast<Stream *>(client_data); + FLAC__ASSERT(0 != instance); + instance->error_callback(status); + } + + // ------------------------------------------------------------ + // + // File + // + // ------------------------------------------------------------ + + File::File(): + Stream() + { } + + File::~File() + { + } + + ::FLAC__StreamDecoderInitStatus File::init(FILE *file) + { + FLAC__ASSERT(0 != decoder_); + return ::FLAC__stream_decoder_init_FILE(decoder_, file, write_callback_, metadata_callback_, error_callback_, /*client_data=*/(void*)this); + } + + ::FLAC__StreamDecoderInitStatus File::init(const char *filename) + { + FLAC__ASSERT(0 != decoder_); + return ::FLAC__stream_decoder_init_file(decoder_, filename, write_callback_, metadata_callback_, error_callback_, /*client_data=*/(void*)this); + } + + ::FLAC__StreamDecoderInitStatus File::init(const std::string &filename) + { + return init(filename.c_str()); + } + + ::FLAC__StreamDecoderInitStatus File::init_ogg(FILE *file) + { + FLAC__ASSERT(0 != decoder_); + return ::FLAC__stream_decoder_init_ogg_FILE(decoder_, file, write_callback_, metadata_callback_, error_callback_, /*client_data=*/(void*)this); + } + + ::FLAC__StreamDecoderInitStatus File::init_ogg(const char *filename) + { + FLAC__ASSERT(0 != decoder_); + return ::FLAC__stream_decoder_init_ogg_file(decoder_, filename, write_callback_, metadata_callback_, error_callback_, /*client_data=*/(void*)this); + } + + ::FLAC__StreamDecoderInitStatus File::init_ogg(const std::string &filename) + { + return init_ogg(filename.c_str()); + } + + // This is a dummy to satisfy the pure virtual from Stream; the + // read callback will never be called since we are initializing + // with FLAC__stream_decoder_init_FILE() or + // FLAC__stream_decoder_init_file() and those supply the read + // callback internally. + ::FLAC__StreamDecoderReadStatus File::read_callback(FLAC__byte buffer[], size_t *bytes) + { + (void)buffer, (void)bytes; + FLAC__ASSERT(false); + return ::FLAC__STREAM_DECODER_READ_STATUS_ABORT; // double protection + } + + } // namespace Decoder +} // namespace FLAC diff --git a/src/libFLAC++/stream_encoder.cpp b/src/libFLAC++/stream_encoder.cpp new file mode 100644 index 0000000..8377129 --- /dev/null +++ b/src/libFLAC++/stream_encoder.cpp @@ -0,0 +1,519 @@ +/* libFLAC++ - Free Lossless Audio Codec library + * Copyright (C) 2002-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * - Neither the name of the Xiph.org Foundation nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "FLAC++/encoder.h" +#include "FLAC++/metadata.h" +#include "FLAC/assert.h" + +#ifdef _MSC_VER +// warning C4800: 'int' : forcing to bool 'true' or 'false' (performance warning) +#pragma warning ( disable : 4800 ) +#endif + +namespace FLAC { + namespace Encoder { + + // ------------------------------------------------------------ + // + // Stream + // + // ------------------------------------------------------------ + + Stream::Stream(): + encoder_(::FLAC__stream_encoder_new()) + { } + + Stream::~Stream() + { + if(0 != encoder_) { + (void)::FLAC__stream_encoder_finish(encoder_); + ::FLAC__stream_encoder_delete(encoder_); + } + } + + bool Stream::is_valid() const + { + return 0 != encoder_; + } + + bool Stream::set_ogg_serial_number(long value) + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__stream_encoder_set_ogg_serial_number(encoder_, value)); + } + + bool Stream::set_verify(bool value) + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__stream_encoder_set_verify(encoder_, value)); + } + + bool Stream::set_streamable_subset(bool value) + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__stream_encoder_set_streamable_subset(encoder_, value)); + } + + bool Stream::set_channels(uint32_t value) + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__stream_encoder_set_channels(encoder_, value)); + } + + bool Stream::set_bits_per_sample(uint32_t value) + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__stream_encoder_set_bits_per_sample(encoder_, value)); + } + + bool Stream::set_sample_rate(uint32_t value) + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__stream_encoder_set_sample_rate(encoder_, value)); + } + + bool Stream::set_compression_level(uint32_t value) + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__stream_encoder_set_compression_level(encoder_, value)); + } + + bool Stream::set_blocksize(uint32_t value) + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__stream_encoder_set_blocksize(encoder_, value)); + } + + bool Stream::set_do_mid_side_stereo(bool value) + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__stream_encoder_set_do_mid_side_stereo(encoder_, value)); + } + + bool Stream::set_loose_mid_side_stereo(bool value) + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__stream_encoder_set_loose_mid_side_stereo(encoder_, value)); + } + + bool Stream::set_apodization(const char *specification) + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__stream_encoder_set_apodization(encoder_, specification)); + } + + bool Stream::set_max_lpc_order(uint32_t value) + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__stream_encoder_set_max_lpc_order(encoder_, value)); + } + + bool Stream::set_qlp_coeff_precision(uint32_t value) + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__stream_encoder_set_qlp_coeff_precision(encoder_, value)); + } + + bool Stream::set_do_qlp_coeff_prec_search(bool value) + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__stream_encoder_set_do_qlp_coeff_prec_search(encoder_, value)); + } + + bool Stream::set_do_escape_coding(bool value) + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__stream_encoder_set_do_escape_coding(encoder_, value)); + } + + bool Stream::set_do_exhaustive_model_search(bool value) + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__stream_encoder_set_do_exhaustive_model_search(encoder_, value)); + } + + bool Stream::set_min_residual_partition_order(uint32_t value) + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__stream_encoder_set_min_residual_partition_order(encoder_, value)); + } + + bool Stream::set_max_residual_partition_order(uint32_t value) + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__stream_encoder_set_max_residual_partition_order(encoder_, value)); + } + + bool Stream::set_rice_parameter_search_dist(uint32_t value) + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__stream_encoder_set_rice_parameter_search_dist(encoder_, value)); + } + + bool Stream::set_total_samples_estimate(FLAC__uint64 value) + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__stream_encoder_set_total_samples_estimate(encoder_, value)); + } + + bool Stream::set_metadata(::FLAC__StreamMetadata **metadata, uint32_t num_blocks) + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__stream_encoder_set_metadata(encoder_, metadata, num_blocks)); + } + + bool Stream::set_metadata(FLAC::Metadata::Prototype **metadata, uint32_t num_blocks) + { + FLAC__ASSERT(is_valid()); + // because C++ doesn't have VLA's (variable length arrays) + // this ugly workaround is needed + ::FLAC__StreamMetadata **m = new ::FLAC__StreamMetadata*[num_blocks]; + for(uint32_t i = 0; i < num_blocks; i++) { + // we can get away with the const_cast since we know the encoder will only correct the is_last flags + m[i] = const_cast< ::FLAC__StreamMetadata*>(static_cast<const ::FLAC__StreamMetadata*>(*metadata[i])); + } + // complete the hack + const bool ok = static_cast<bool>(::FLAC__stream_encoder_set_metadata(encoder_, m, num_blocks)); + delete [] m; + return ok; + } + + bool Stream::set_limit_min_bitrate(bool value) + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__stream_encoder_set_limit_min_bitrate(encoder_, value)); + } + + Stream::State Stream::get_state() const + { + FLAC__ASSERT(is_valid()); + return State(::FLAC__stream_encoder_get_state(encoder_)); + } + + Decoder::Stream::State Stream::get_verify_decoder_state() const + { + FLAC__ASSERT(is_valid()); + return Decoder::Stream::State(::FLAC__stream_encoder_get_verify_decoder_state(encoder_)); + } + + void Stream::get_verify_decoder_error_stats(FLAC__uint64 *absolute_sample, uint32_t *frame_number, uint32_t *channel, uint32_t *sample, FLAC__int32 *expected, FLAC__int32 *got) + { + FLAC__ASSERT(is_valid()); + ::FLAC__stream_encoder_get_verify_decoder_error_stats(encoder_, absolute_sample, frame_number, channel, sample, expected, got); + } + + bool Stream::get_verify() const + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__stream_encoder_get_verify(encoder_)); + } + + bool Stream::get_streamable_subset() const + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__stream_encoder_get_streamable_subset(encoder_)); + } + + bool Stream::get_do_mid_side_stereo() const + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__stream_encoder_get_do_mid_side_stereo(encoder_)); + } + + bool Stream::get_loose_mid_side_stereo() const + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__stream_encoder_get_loose_mid_side_stereo(encoder_)); + } + + uint32_t Stream::get_channels() const + { + FLAC__ASSERT(is_valid()); + return ::FLAC__stream_encoder_get_channels(encoder_); + } + + uint32_t Stream::get_bits_per_sample() const + { + FLAC__ASSERT(is_valid()); + return ::FLAC__stream_encoder_get_bits_per_sample(encoder_); + } + + uint32_t Stream::get_sample_rate() const + { + FLAC__ASSERT(is_valid()); + return ::FLAC__stream_encoder_get_sample_rate(encoder_); + } + + uint32_t Stream::get_blocksize() const + { + FLAC__ASSERT(is_valid()); + return ::FLAC__stream_encoder_get_blocksize(encoder_); + } + + uint32_t Stream::get_max_lpc_order() const + { + FLAC__ASSERT(is_valid()); + return ::FLAC__stream_encoder_get_max_lpc_order(encoder_); + } + + uint32_t Stream::get_qlp_coeff_precision() const + { + FLAC__ASSERT(is_valid()); + return ::FLAC__stream_encoder_get_qlp_coeff_precision(encoder_); + } + + bool Stream::get_do_qlp_coeff_prec_search() const + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__stream_encoder_get_do_qlp_coeff_prec_search(encoder_)); + } + + bool Stream::get_do_escape_coding() const + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__stream_encoder_get_do_escape_coding(encoder_)); + } + + bool Stream::get_do_exhaustive_model_search() const + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__stream_encoder_get_do_exhaustive_model_search(encoder_)); + } + + uint32_t Stream::get_min_residual_partition_order() const + { + FLAC__ASSERT(is_valid()); + return ::FLAC__stream_encoder_get_min_residual_partition_order(encoder_); + } + + uint32_t Stream::get_max_residual_partition_order() const + { + FLAC__ASSERT(is_valid()); + return ::FLAC__stream_encoder_get_max_residual_partition_order(encoder_); + } + + uint32_t Stream::get_rice_parameter_search_dist() const + { + FLAC__ASSERT(is_valid()); + return ::FLAC__stream_encoder_get_rice_parameter_search_dist(encoder_); + } + + FLAC__uint64 Stream::get_total_samples_estimate() const + { + FLAC__ASSERT(is_valid()); + return ::FLAC__stream_encoder_get_total_samples_estimate(encoder_); + } + + bool Stream::get_limit_min_bitrate() const + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__stream_encoder_get_limit_min_bitrate(encoder_)); + } + + ::FLAC__StreamEncoderInitStatus Stream::init() + { + FLAC__ASSERT(is_valid()); + return ::FLAC__stream_encoder_init_stream(encoder_, write_callback_, seek_callback_, tell_callback_, metadata_callback_, /*client_data=*/(void*)this); + } + + ::FLAC__StreamEncoderInitStatus Stream::init_ogg() + { + FLAC__ASSERT(is_valid()); + return ::FLAC__stream_encoder_init_ogg_stream(encoder_, read_callback_, write_callback_, seek_callback_, tell_callback_, metadata_callback_, /*client_data=*/(void*)this); + } + + bool Stream::finish() + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__stream_encoder_finish(encoder_)); + } + + bool Stream::process(const FLAC__int32 * const buffer[], uint32_t samples) + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__stream_encoder_process(encoder_, buffer, samples)); + } + + bool Stream::process_interleaved(const FLAC__int32 buffer[], uint32_t samples) + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__stream_encoder_process_interleaved(encoder_, buffer, samples)); + } + + ::FLAC__StreamEncoderReadStatus Stream::read_callback(FLAC__byte buffer[], size_t *bytes) + { + (void)buffer, (void)bytes; + return ::FLAC__STREAM_ENCODER_READ_STATUS_UNSUPPORTED; + } + + ::FLAC__StreamEncoderSeekStatus Stream::seek_callback(FLAC__uint64 absolute_byte_offset) + { + (void)absolute_byte_offset; + return ::FLAC__STREAM_ENCODER_SEEK_STATUS_UNSUPPORTED; + } + + ::FLAC__StreamEncoderTellStatus Stream::tell_callback(FLAC__uint64 *absolute_byte_offset) + { + (void)absolute_byte_offset; + return ::FLAC__STREAM_ENCODER_TELL_STATUS_UNSUPPORTED; + } + + void Stream::metadata_callback(const ::FLAC__StreamMetadata *metadata) + { + (void)metadata; + } + + ::FLAC__StreamEncoderReadStatus Stream::read_callback_(const ::FLAC__StreamEncoder *encoder, FLAC__byte buffer[], size_t *bytes, void *client_data) + { + (void)encoder; + FLAC__ASSERT(0 != client_data); + Stream *instance = reinterpret_cast<Stream *>(client_data); + FLAC__ASSERT(0 != instance); + return instance->read_callback(buffer, bytes); + } + + ::FLAC__StreamEncoderWriteStatus Stream::write_callback_(const ::FLAC__StreamEncoder *encoder, const FLAC__byte buffer[], size_t bytes, uint32_t samples, uint32_t current_frame, void *client_data) + { + (void)encoder; + FLAC__ASSERT(0 != client_data); + Stream *instance = reinterpret_cast<Stream *>(client_data); + FLAC__ASSERT(0 != instance); + return instance->write_callback(buffer, bytes, samples, current_frame); + } + + ::FLAC__StreamEncoderSeekStatus Stream::seek_callback_(const ::FLAC__StreamEncoder *encoder, FLAC__uint64 absolute_byte_offset, void *client_data) + { + (void)encoder; + FLAC__ASSERT(0 != client_data); + Stream *instance = reinterpret_cast<Stream *>(client_data); + FLAC__ASSERT(0 != instance); + return instance->seek_callback(absolute_byte_offset); + } + + ::FLAC__StreamEncoderTellStatus Stream::tell_callback_(const ::FLAC__StreamEncoder *encoder, FLAC__uint64 *absolute_byte_offset, void *client_data) + { + (void)encoder; + FLAC__ASSERT(0 != client_data); + Stream *instance = reinterpret_cast<Stream *>(client_data); + FLAC__ASSERT(0 != instance); + return instance->tell_callback(absolute_byte_offset); + } + + void Stream::metadata_callback_(const ::FLAC__StreamEncoder *encoder, const ::FLAC__StreamMetadata *metadata, void *client_data) + { + (void)encoder; + FLAC__ASSERT(0 != client_data); + Stream *instance = reinterpret_cast<Stream *>(client_data); + FLAC__ASSERT(0 != instance); + instance->metadata_callback(metadata); + } + + // ------------------------------------------------------------ + // + // File + // + // ------------------------------------------------------------ + + File::File(): + Stream() + { } + + File::~File() + { + } + + ::FLAC__StreamEncoderInitStatus File::init(FILE *file) + { + FLAC__ASSERT(is_valid()); + return ::FLAC__stream_encoder_init_FILE(encoder_, file, progress_callback_, /*client_data=*/(void*)this); + } + + ::FLAC__StreamEncoderInitStatus File::init(const char *filename) + { + FLAC__ASSERT(is_valid()); + return ::FLAC__stream_encoder_init_file(encoder_, filename, progress_callback_, /*client_data=*/(void*)this); + } + + ::FLAC__StreamEncoderInitStatus File::init(const std::string &filename) + { + return init(filename.c_str()); + } + + ::FLAC__StreamEncoderInitStatus File::init_ogg(FILE *file) + { + FLAC__ASSERT(is_valid()); + return ::FLAC__stream_encoder_init_ogg_FILE(encoder_, file, progress_callback_, /*client_data=*/(void*)this); + } + + ::FLAC__StreamEncoderInitStatus File::init_ogg(const char *filename) + { + FLAC__ASSERT(is_valid()); + return ::FLAC__stream_encoder_init_ogg_file(encoder_, filename, progress_callback_, /*client_data=*/(void*)this); + } + + ::FLAC__StreamEncoderInitStatus File::init_ogg(const std::string &filename) + { + return init_ogg(filename.c_str()); + } + + // This is a dummy to satisfy the pure virtual from Stream; the + // read callback will never be called since we are initializing + // with FLAC__stream_decoder_init_FILE() or + // FLAC__stream_decoder_init_file() and those supply the read + // callback internally. + ::FLAC__StreamEncoderWriteStatus File::write_callback(const FLAC__byte buffer[], size_t bytes, uint32_t samples, uint32_t current_frame) + { + (void)buffer, (void)bytes, (void)samples, (void)current_frame; + FLAC__ASSERT(false); + return ::FLAC__STREAM_ENCODER_WRITE_STATUS_FATAL_ERROR; // double protection + } + + void File::progress_callback(FLAC__uint64 bytes_written, FLAC__uint64 samples_written, uint32_t frames_written, uint32_t total_frames_estimate) + { + (void)bytes_written, (void)samples_written, (void)frames_written, (void)total_frames_estimate; + } + + void File::progress_callback_(const ::FLAC__StreamEncoder *encoder, FLAC__uint64 bytes_written, FLAC__uint64 samples_written, uint32_t frames_written, uint32_t total_frames_estimate, void *client_data) + { + (void)encoder; + FLAC__ASSERT(0 != client_data); + File *instance = reinterpret_cast<File *>(client_data); + FLAC__ASSERT(0 != instance); + instance->progress_callback(bytes_written, samples_written, frames_written, total_frames_estimate); + } + + } // namespace Encoder +} // namespace FLAC diff --git a/src/libFLAC++/version.rc b/src/libFLAC++/version.rc new file mode 100644 index 0000000..14efba0 --- /dev/null +++ b/src/libFLAC++/version.rc @@ -0,0 +1,40 @@ +#include <winver.h> +#include "config.h" +#include "FLAC++/export.h" + +#if (defined GIT_COMMIT_HASH && defined GIT_COMMIT_DATE) +# ifdef GIT_COMMIT_TAG +# define VERSIONSTRING GIT_COMMIT_TAG +# else +# define VERSIONSTRING "git-" GIT_COMMIT_HASH +# endif +#else +# define VERSIONSTRING PACKAGE_VERSION +#endif + +#define xstr(s) str(s) +#define str(s) #s + +VS_VERSION_INFO VERSIONINFO +FILEVERSION FLACPP_API_VERSION_CURRENT,FLACPP_API_VERSION_REVISION,0,0 +FILEFLAGSMASK VS_FFI_FILEFLAGSMASK +FILEFLAGS 0 +FILEOS VOS__WINDOWS32 +FILETYPE VFT_DLL +BEGIN + BLOCK "StringFileInfo" + BEGIN + BLOCK "040904b0" + BEGIN + VALUE "FileDescription", "libFLAC++ for Windows" + VALUE "ProductName", "Free Lossless Audio Codec" + VALUE "ProductVersion", VERSIONSTRING + VALUE "CompanyName", "Xiph.Org" + VALUE "LegalCopyright", "2000-2009 Josh Coalson, 2011-2023 Xiph.Org Foundation" + END + END + BLOCK "VarFileInfo" + BEGIN + VALUE "Translation", 0x409, 1200 + END +END diff --git a/src/libFLAC/CMakeLists.txt b/src/libFLAC/CMakeLists.txt new file mode 100644 index 0000000..cf7368f --- /dev/null +++ b/src/libFLAC/CMakeLists.txt @@ -0,0 +1,126 @@ +option(WITH_ASM "Use any assembly optimization routines" ON) + +check_include_file("cpuid.h" HAVE_CPUID_H) +check_include_file("sys/param.h" HAVE_SYS_PARAM_H) + +set(CMAKE_REQUIRED_LIBRARIES m) +check_function_exists(lround HAVE_LROUND) + +include(CheckCSourceCompiles) +include(CheckCPUArch) +include(CheckA64NEON) + +check_cpu_arch_x64(FLAC__CPU_X86_64) +if(NOT FLAC__CPU_X86_64) + check_cpu_arch_x86(FLAC__CPU_IA32) +endif() + +if(FLAC__CPU_X86_64 OR FLAC__CPU_IA32) + set(FLAC__ALIGN_MALLOC_DATA 1) + option(WITH_AVX "Enable AVX, AVX2 optimizations (with runtime detection, resulting binary does not require AVX2, so only necessary when a compiler doesn't know about AVX)" ON) + if(WITH_AVX AND MSVC) + set_source_files_properties(fixed_intrin_avx2.c lpc_intrin_avx2.c stream_encoder_intrin_avx2.c lpc_intrin_fma.c PROPERTIES COMPILE_FLAGS /arch:AVX2) + endif() +else() + check_cpu_arch_arm64(FLAC__CPU_ARM64) + if(FLAC__CPU_ARM64) + check_a64neon(FLAC__HAS_A64NEONINTRIN) + endif() +endif() + +if(NOT WITH_ASM) + add_definitions(-DFLAC__NO_ASM) +endif() + +include_directories("include") + +add_library(FLAC + bitmath.c + bitreader.c + bitwriter.c + cpu.c + crc.c + fixed.c + fixed_intrin_sse2.c + fixed_intrin_ssse3.c + fixed_intrin_sse42.c + fixed_intrin_avx2.c + float.c + format.c + lpc.c + lpc_intrin_neon.c + lpc_intrin_sse2.c + lpc_intrin_sse41.c + lpc_intrin_avx2.c + lpc_intrin_fma.c + md5.c + memory.c + metadata_iterators.c + metadata_object.c + stream_decoder.c + stream_encoder.c + stream_encoder_intrin_sse2.c + stream_encoder_intrin_ssse3.c + stream_encoder_intrin_avx2.c + stream_encoder_framing.c + version.rc + window.c + $<$<BOOL:${WIN32}>:../../include/share/win_utf8_io.h> + $<$<BOOL:${WIN32}>:../share/win_utf8_io/win_utf8_io.c> + $<$<BOOL:${OGG_FOUND}>:ogg_decoder_aspect.c> + $<$<BOOL:${OGG_FOUND}>:ogg_encoder_aspect.c> + $<$<BOOL:${OGG_FOUND}>:ogg_helper.c> + $<$<BOOL:${OGG_FOUND}>:ogg_mapping.c>) +set_property(TARGET FLAC PROPERTY PROJECT_LABEL "libFLAC") +if(TARGET FLAC-asm) + target_sources(FLAC PRIVATE $<TARGET_OBJECTS:FLAC-asm>) +endif() + +target_compile_definitions(FLAC + PRIVATE $<$<BOOL:${BUILD_SHARED_LIBS}>:FLAC_API_EXPORTS> + PUBLIC $<$<NOT:$<BOOL:${BUILD_SHARED_LIBS}>>:FLAC__NO_DLL>) +if(NOT WIN32) + target_compile_definitions(FLAC PRIVATE $<$<BOOL:${BUILD_SHARED_LIBS}>:FLAC__USE_VISIBILITY_ATTR>) +endif() +target_include_directories(FLAC INTERFACE + "$<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/include>" + "$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>") +target_link_libraries(FLAC PUBLIC $<$<BOOL:${HAVE_LROUND}>:m>) +if(TARGET Ogg::ogg) + target_link_libraries(FLAC PUBLIC Ogg::ogg) +endif() +if(BUILD_SHARED_LIBS) + set_target_properties(FLAC PROPERTIES + VERSION 12.1.0 + SOVERSION 12) + if(NOT WIN32) + set_target_properties(FLAC PROPERTIES C_VISIBILITY_PRESET hidden) + endif() +endif() + +check_c_compiler_flag("-fassociative-math -fno-signed-zeros -fno-trapping-math -freciprocal-math" HAVE_ASSOC_MATH) + +if(MSVC) + target_compile_options(FLAC BEFORE PRIVATE "/fp:fast") +else() + if(HAVE_ASSOC_MATH) + target_compile_options(FLAC BEFORE PRIVATE -fassociative-math -fno-signed-zeros -fno-trapping-math -freciprocal-math) + endif() +endif() + +add_library(FLAC::FLAC ALIAS FLAC) + +install(TARGETS FLAC EXPORT targets + ARCHIVE DESTINATION "${CMAKE_INSTALL_LIBDIR}/" + LIBRARY DESTINATION "${CMAKE_INSTALL_LIBDIR}/" + RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}/") + +if(INSTALL_PKGCONFIG_MODULES) + set(prefix "${CMAKE_INSTALL_PREFIX}") + set(exec_prefix "${CMAKE_INSTALL_PREFIX}") + set(libdir "${CMAKE_INSTALL_FULL_LIBDIR}") + set(includedir "${CMAKE_INSTALL_FULL_INCLUDEDIR}") + configure_file(flac.pc.in flac.pc @ONLY) + install(FILES "${CMAKE_CURRENT_BINARY_DIR}/flac.pc" + DESTINATION "${CMAKE_INSTALL_LIBDIR}/pkgconfig") +endif() diff --git a/src/libFLAC/Makefile.am b/src/libFLAC/Makefile.am new file mode 100644 index 0000000..618939d --- /dev/null +++ b/src/libFLAC/Makefile.am @@ -0,0 +1,123 @@ +# libFLAC - Free Lossless Audio Codec library +# Copyright (C) 2001-2009 Josh Coalson +# Copyright (C) 2011-2023 Xiph.Org Foundation +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# +# - Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# +# - Redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in the +# documentation and/or other materials provided with the distribution. +# +# - Neither the name of the Xiph.org Foundation nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR +# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, +# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, +# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR +# PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF +# LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING +# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS +# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +AM_CPPFLAGS = -I$(top_builddir) -I$(srcdir)/include -I$(top_srcdir)/include +lib_LTLIBRARIES = libFLAC.la +noinst_LTLIBRARIES = libFLAC-static.la +if DEBUG +DEBUGCFLAGS = -DFLAC__OVERFLOW_DETECT +else +if ASSOC_MATH_AVAILABLE +ASSOCMATHCFLAGS = -fassociative-math -fno-signed-zeros -fno-trapping-math -freciprocal-math +endif +endif + +AM_CFLAGS = $(DEBUGCFLAGS) ${ASSOCMATHCFLAGS} @OGG_CFLAGS@ + +libFLAC_la_LIBADD = @OGG_LIBS@ -lm + +SUBDIRS = include . + +m4datadir = $(datadir)/aclocal +m4data_DATA = libFLAC.m4 + +pkgconfigdir = $(libdir)/pkgconfig +pkgconfig_DATA = flac.pc + +EXTRA_DIST = \ + CMakeLists.txt \ + flac.pc.in \ + libFLAC.m4 \ + version.rc \ + deduplication/bitreader_read_rice_signed_block.c \ + deduplication/lpc_compute_autocorrelation_intrin.c \ + deduplication/lpc_compute_autocorrelation_intrin_sse2.c \ + deduplication/lpc_compute_autocorrelation_intrin_neon.c + +if OS_IS_WINDOWS +windows_unicode_compat = ../share/win_utf8_io/win_utf8_io.c +if HAVE_WINDRES +libFLAC_la_DEPENDENCIES = version.o +windows_resource_link = -Wl,version.o +endif +endif + +if FLaC__HAS_OGG +extra_ogg_sources = \ + ogg_decoder_aspect.c \ + ogg_encoder_aspect.c \ + ogg_helper.c \ + ogg_mapping.c +endif + +# see 'http://www.gnu.org/software/libtool/manual/libtool.html#Libtool-versioning' for numbering convention +libFLAC_la_LDFLAGS = $(AM_LDFLAGS) -no-undefined -version-info 13:0:1 $(windows_resource_link) + +libFLAC_sources = \ + bitmath.c \ + bitreader.c \ + bitwriter.c \ + cpu.c \ + crc.c \ + fixed.c \ + fixed_intrin_sse2.c \ + fixed_intrin_ssse3.c \ + fixed_intrin_sse42.c \ + fixed_intrin_avx2.c \ + float.c \ + format.c \ + lpc.c \ + lpc_intrin_sse2.c \ + lpc_intrin_sse41.c \ + lpc_intrin_avx2.c \ + lpc_intrin_fma.c \ + lpc_intrin_neon.c \ + md5.c \ + memory.c \ + metadata_iterators.c \ + metadata_object.c \ + stream_decoder.c \ + stream_encoder.c \ + stream_encoder_intrin_sse2.c \ + stream_encoder_intrin_ssse3.c \ + stream_encoder_intrin_avx2.c \ + stream_encoder_framing.c \ + window.c \ + $(windows_unicode_compat) \ + $(extra_ogg_sources) + +libFLAC_la_SOURCES = $(libFLAC_sources) + +# needed for test_libFLAC +libFLAC_static_la_SOURCES = $(libFLAC_sources) + +.rc.o: + $(RC) $(AM_CPPFLAGS) $< $@ diff --git a/src/libFLAC/Makefile.in b/src/libFLAC/Makefile.in new file mode 100644 index 0000000..47af888 --- /dev/null +++ b/src/libFLAC/Makefile.in @@ -0,0 +1,1157 @@ +# Makefile.in generated by automake 1.16.5 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2021 Free Software Foundation, Inc. + +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. + +@SET_MAKE@ + +# libFLAC - Free Lossless Audio Codec library +# Copyright (C) 2001-2009 Josh Coalson +# Copyright (C) 2011-2023 Xiph.Org Foundation +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# +# - Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# +# - Redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in the +# documentation and/or other materials provided with the distribution. +# +# - Neither the name of the Xiph.org Foundation nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. 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-0,0 +1,73 @@ +/* libFLAC - Free Lossless Audio Codec library + * Copyright (C) 2001-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * - Neither the name of the Xiph.org Foundation nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include "private/bitmath.h" + +/* An example of what FLAC__bitmath_silog2() computes: + * + * silog2(-10) = 5 + * silog2(- 9) = 5 + * silog2(- 8) = 4 + * silog2(- 7) = 4 + * silog2(- 6) = 4 + * silog2(- 5) = 4 + * silog2(- 4) = 3 + * silog2(- 3) = 3 + * silog2(- 2) = 2 + * silog2(- 1) = 2 + * silog2( 0) = 0 + * silog2( 1) = 2 + * silog2( 2) = 3 + * silog2( 3) = 3 + * silog2( 4) = 4 + * silog2( 5) = 4 + * silog2( 6) = 4 + * silog2( 7) = 4 + * silog2( 8) = 5 + * silog2( 9) = 5 + * silog2( 10) = 5 + */ +uint32_t FLAC__bitmath_silog2(FLAC__int64 v) +{ + if(v == 0) + return 0; + + if(v == -1) + return 2; + + v = (v < 0) ? (-(v+1)) : v; + return FLAC__bitmath_ilog2_wide(v)+2; +} diff --git a/src/libFLAC/bitreader.c b/src/libFLAC/bitreader.c new file mode 100644 index 0000000..829b308 --- /dev/null +++ b/src/libFLAC/bitreader.c @@ -0,0 +1,1052 @@ +/* libFLAC - Free Lossless Audio Codec library + * Copyright (C) 2000-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * - Neither the name of the Xiph.org Foundation nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include <stdlib.h> +#include <string.h> +#include "private/bitmath.h" +#include "private/bitreader.h" +#include "private/crc.h" +#include "private/cpu.h" +#include "private/macros.h" +#include "FLAC/assert.h" +#include "share/compat.h" +#include "share/endswap.h" + +/* Things should be fastest when this matches the machine word size */ +/* WATCHOUT: if you change this you must also change the following #defines down to COUNT_ZERO_MSBS2 below to match */ +/* WATCHOUT: there are a few places where the code will not work unless brword is >= 32 bits wide */ +/* also, some sections currently only have fast versions for 4 or 8 bytes per word */ + +#if (ENABLE_64_BIT_WORDS == 0) + +typedef FLAC__uint32 brword; +#define FLAC__BYTES_PER_WORD 4 /* sizeof brword */ +#define FLAC__BITS_PER_WORD 32 +#define FLAC__WORD_ALL_ONES ((FLAC__uint32)0xffffffff) +/* SWAP_BE_WORD_TO_HOST swaps bytes in a brword (which is always big-endian) if necessary to match host byte order */ +#if WORDS_BIGENDIAN +#define SWAP_BE_WORD_TO_HOST(x) (x) +#else +#define SWAP_BE_WORD_TO_HOST(x) ENDSWAP_32(x) +#endif +/* counts the # of zero MSBs in a word */ +#define COUNT_ZERO_MSBS(word) FLAC__clz_uint32(word) +#define COUNT_ZERO_MSBS2(word) FLAC__clz2_uint32(word) + +#else + +typedef FLAC__uint64 brword; +#define FLAC__BYTES_PER_WORD 8 /* sizeof brword */ +#define FLAC__BITS_PER_WORD 64 +#define FLAC__WORD_ALL_ONES ((FLAC__uint64)FLAC__U64L(0xffffffffffffffff)) +/* SWAP_BE_WORD_TO_HOST swaps bytes in a brword (which is always big-endian) if necessary to match host byte order */ +#if WORDS_BIGENDIAN +#define SWAP_BE_WORD_TO_HOST(x) (x) +#else +#define SWAP_BE_WORD_TO_HOST(x) ENDSWAP_64(x) +#endif +/* counts the # of zero MSBs in a word */ +#define COUNT_ZERO_MSBS(word) FLAC__clz_uint64(word) +#define COUNT_ZERO_MSBS2(word) FLAC__clz2_uint64(word) + +#endif + +/* + * This should be at least twice as large as the largest number of words + * required to represent any 'number' (in any encoding) you are going to + * read. With FLAC this is on the order of maybe a few hundred bits. + * If the buffer is smaller than that, the decoder won't be able to read + * in a whole number that is in a variable length encoding (e.g. Rice). + * But to be practical it should be at least 1K bytes. + * + * Increase this number to decrease the number of read callbacks, at the + * expense of using more memory. Or decrease for the reverse effect, + * keeping in mind the limit from the first paragraph. The optimal size + * also depends on the CPU cache size and other factors; some twiddling + * may be necessary to squeeze out the best performance. + */ +static const uint32_t FLAC__BITREADER_DEFAULT_CAPACITY = 65536u / FLAC__BITS_PER_WORD; /* in words */ + +struct FLAC__BitReader { + /* any partially-consumed word at the head will stay right-justified as bits are consumed from the left */ + /* any incomplete word at the tail will be left-justified, and bytes from the read callback are added on the right */ + brword *buffer; + uint32_t capacity; /* in words */ + uint32_t words; /* # of completed words in buffer */ + uint32_t bytes; /* # of bytes in incomplete word at buffer[words] */ + uint32_t consumed_words; /* #words ... */ + uint32_t consumed_bits; /* ... + (#bits of head word) already consumed from the front of buffer */ + uint32_t read_crc16; /* the running frame CRC */ + uint32_t crc16_offset; /* the number of words in the current buffer that should not be CRC'd */ + uint32_t crc16_align; /* the number of bits in the current consumed word that should not be CRC'd */ + FLAC__bool read_limit_set; /* whether reads are limited */ + uint32_t read_limit; /* the remaining size of what can be read */ + uint32_t last_seen_framesync; /* the location of the last seen framesync, if it is in the buffer, in bits from front of buffer */ + FLAC__BitReaderReadCallback read_callback; + void *client_data; +}; + +static inline void crc16_update_word_(FLAC__BitReader *br, brword word) +{ + register uint32_t crc = br->read_crc16; + + for ( ; br->crc16_align < FLAC__BITS_PER_WORD ; br->crc16_align += 8) { + uint32_t shift = FLAC__BITS_PER_WORD - 8 - br->crc16_align ; + crc = FLAC__CRC16_UPDATE ((uint32_t) (shift < FLAC__BITS_PER_WORD ? (word >> shift) & 0xff : 0), crc); + } + + br->read_crc16 = crc; + br->crc16_align = 0; +} + +static inline void crc16_update_block_(FLAC__BitReader *br) +{ + if(br->consumed_words > br->crc16_offset && br->crc16_align) + crc16_update_word_(br, br->buffer[br->crc16_offset++]); + + /* Prevent OOB read due to wrap-around. */ + if (br->consumed_words > br->crc16_offset) { +#if FLAC__BYTES_PER_WORD == 4 + br->read_crc16 = FLAC__crc16_update_words32(br->buffer + br->crc16_offset, br->consumed_words - br->crc16_offset, br->read_crc16); +#elif FLAC__BYTES_PER_WORD == 8 + br->read_crc16 = FLAC__crc16_update_words64(br->buffer + br->crc16_offset, br->consumed_words - br->crc16_offset, br->read_crc16); +#else + unsigned i; + + for (i = br->crc16_offset; i < br->consumed_words; i++) + crc16_update_word_(br, br->buffer[i]); +#endif + } + + br->crc16_offset = 0; +} + +static FLAC__bool bitreader_read_from_client_(FLAC__BitReader *br) +{ + uint32_t start, end; + size_t bytes; + FLAC__byte *target; +#if WORDS_BIGENDIAN +#else + brword preswap_backup; +#endif + + /* first shift the unconsumed buffer data toward the front as much as possible */ + if(br->consumed_words > 0) { + /* invalidate last seen framesync */ + br->last_seen_framesync = -1; + + crc16_update_block_(br); /* CRC consumed words */ + + start = br->consumed_words; + end = br->words + (br->bytes? 1:0); + memmove(br->buffer, br->buffer+start, FLAC__BYTES_PER_WORD * (end - start)); + + br->words -= start; + br->consumed_words = 0; + } + + /* + * set the target for reading, taking into account word alignment and endianness + */ + bytes = (br->capacity - br->words) * FLAC__BYTES_PER_WORD - br->bytes; + if(bytes == 0) + return false; /* no space left, buffer is too small; see note for FLAC__BITREADER_DEFAULT_CAPACITY */ + target = ((FLAC__byte*)(br->buffer+br->words)) + br->bytes; + + /* before reading, if the existing reader looks like this (say brword is 32 bits wide) + * bitstream : 11 22 33 44 55 br->words=1 br->bytes=1 (partial tail word is left-justified) + * buffer[BE]: 11 22 33 44 55 ?? ?? ?? (shown laid out as bytes sequentially in memory) + * buffer[LE]: 44 33 22 11 ?? ?? ?? 55 (?? being don't-care) + * ^^-------target, bytes=3 + * on LE machines, have to byteswap the odd tail word so nothing is + * overwritten: + */ +#if WORDS_BIGENDIAN +#else + preswap_backup = br->buffer[br->words]; + if(br->bytes) + br->buffer[br->words] = SWAP_BE_WORD_TO_HOST(br->buffer[br->words]); +#endif + + /* now it looks like: + * bitstream : 11 22 33 44 55 br->words=1 br->bytes=1 + * buffer[BE]: 11 22 33 44 55 ?? ?? ?? + * buffer[LE]: 44 33 22 11 55 ?? ?? ?? + * ^^-------target, bytes=3 + */ + + /* read in the data; note that the callback may return a smaller number of bytes */ + if(!br->read_callback(target, &bytes, br->client_data)){ + /* Despite the read callback failing, the data in the target + * might be used later, when the buffer is rewound. Therefore + * we revert the swap that was just done */ +#if WORDS_BIGENDIAN +#else + br->buffer[br->words] = preswap_backup; +#endif + return false; + } + + /* after reading bytes 66 77 88 99 AA BB CC DD EE FF from the client: + * bitstream : 11 22 33 44 55 66 77 88 99 AA BB CC DD EE FF + * buffer[BE]: 11 22 33 44 55 66 77 88 99 AA BB CC DD EE FF ?? + * buffer[LE]: 44 33 22 11 55 66 77 88 99 AA BB CC DD EE FF ?? + * now have to byteswap on LE machines: + */ +#if WORDS_BIGENDIAN +#else + end = (br->words*FLAC__BYTES_PER_WORD + br->bytes + (uint32_t)bytes + (FLAC__BYTES_PER_WORD-1)) / FLAC__BYTES_PER_WORD; + for(start = br->words; start < end; start++) + br->buffer[start] = SWAP_BE_WORD_TO_HOST(br->buffer[start]); +#endif + + /* now it looks like: + * bitstream : 11 22 33 44 55 66 77 88 99 AA BB CC DD EE FF + * buffer[BE]: 11 22 33 44 55 66 77 88 99 AA BB CC DD EE FF ?? + * buffer[LE]: 44 33 22 11 88 77 66 55 CC BB AA 99 ?? FF EE DD + * finally we'll update the reader values: + */ + end = br->words*FLAC__BYTES_PER_WORD + br->bytes + (uint32_t)bytes; + br->words = end / FLAC__BYTES_PER_WORD; + br->bytes = end % FLAC__BYTES_PER_WORD; + + return true; +} + +/*********************************************************************** + * + * Class constructor/destructor + * + ***********************************************************************/ + +FLAC__BitReader *FLAC__bitreader_new(void) +{ + FLAC__BitReader *br = calloc(1, sizeof(FLAC__BitReader)); + + /* calloc() implies: + memset(br, 0, sizeof(FLAC__BitReader)); + br->buffer = 0; + br->capacity = 0; + br->words = br->bytes = 0; + br->consumed_words = br->consumed_bits = 0; + br->read_callback = 0; + br->client_data = 0; + */ + return br; +} + +void FLAC__bitreader_delete(FLAC__BitReader *br) +{ + FLAC__ASSERT(0 != br); + + FLAC__bitreader_free(br); + free(br); +} + +/*********************************************************************** + * + * Public class methods + * + ***********************************************************************/ + +FLAC__bool FLAC__bitreader_init(FLAC__BitReader *br, FLAC__BitReaderReadCallback rcb, void *cd) +{ + FLAC__ASSERT(0 != br); + + br->words = br->bytes = 0; + br->consumed_words = br->consumed_bits = 0; + br->capacity = FLAC__BITREADER_DEFAULT_CAPACITY; + br->buffer = malloc(sizeof(brword) * br->capacity); + if(br->buffer == 0) + return false; + br->read_callback = rcb; + br->client_data = cd; + br->read_limit_set = false; + br->read_limit = -1; + br->last_seen_framesync = -1; + + return true; +} + +void FLAC__bitreader_free(FLAC__BitReader *br) +{ + FLAC__ASSERT(0 != br); + + if(0 != br->buffer) + free(br->buffer); + br->buffer = 0; + br->capacity = 0; + br->words = br->bytes = 0; + br->consumed_words = br->consumed_bits = 0; + br->read_callback = 0; + br->client_data = 0; + br->read_limit_set = false; + br->read_limit = -1; + br->last_seen_framesync = -1; +} + +FLAC__bool FLAC__bitreader_clear(FLAC__BitReader *br) +{ + br->words = br->bytes = 0; + br->consumed_words = br->consumed_bits = 0; + br->read_limit_set = false; + br->read_limit = -1; + br->last_seen_framesync = -1; + return true; +} + +void FLAC__bitreader_set_framesync_location(FLAC__BitReader *br) +{ + br->last_seen_framesync = br->consumed_words * FLAC__BYTES_PER_WORD + br->consumed_bits / 8; +} + +FLAC__bool FLAC__bitreader_rewind_to_after_last_seen_framesync(FLAC__BitReader *br) +{ + if(br->last_seen_framesync == (uint32_t)-1) { + br->consumed_words = br->consumed_bits = 0; + return false; + } + else { + br->consumed_words = (br->last_seen_framesync + 1) / FLAC__BYTES_PER_WORD; + br->consumed_bits = ((br->last_seen_framesync + 1) % FLAC__BYTES_PER_WORD) * 8; + return true; + } +} + +void FLAC__bitreader_reset_read_crc16(FLAC__BitReader *br, FLAC__uint16 seed) +{ + FLAC__ASSERT(0 != br); + FLAC__ASSERT(0 != br->buffer); + FLAC__ASSERT((br->consumed_bits & 7) == 0); + + br->read_crc16 = (uint32_t)seed; + br->crc16_offset = br->consumed_words; + br->crc16_align = br->consumed_bits; +} + +FLAC__uint16 FLAC__bitreader_get_read_crc16(FLAC__BitReader *br) +{ + FLAC__ASSERT(0 != br); + FLAC__ASSERT(0 != br->buffer); + + /* CRC consumed words up to here */ + crc16_update_block_(br); + + FLAC__ASSERT((br->consumed_bits & 7) == 0); + FLAC__ASSERT(br->crc16_align <= br->consumed_bits); + + /* CRC any tail bytes in a partially-consumed word */ + if(br->consumed_bits) { + const brword tail = br->buffer[br->consumed_words]; + for( ; br->crc16_align < br->consumed_bits; br->crc16_align += 8) + br->read_crc16 = FLAC__CRC16_UPDATE((uint32_t)((tail >> (FLAC__BITS_PER_WORD-8-br->crc16_align)) & 0xff), br->read_crc16); + } + return br->read_crc16; +} + +inline FLAC__bool FLAC__bitreader_is_consumed_byte_aligned(const FLAC__BitReader *br) +{ + return ((br->consumed_bits & 7) == 0); +} + +inline uint32_t FLAC__bitreader_bits_left_for_byte_alignment(const FLAC__BitReader *br) +{ + return 8 - (br->consumed_bits & 7); +} + +inline uint32_t FLAC__bitreader_get_input_bits_unconsumed(const FLAC__BitReader *br) +{ + return (br->words-br->consumed_words)*FLAC__BITS_PER_WORD + br->bytes*8 - br->consumed_bits; +} + +void FLAC__bitreader_set_limit(FLAC__BitReader *br, uint32_t limit) +{ + br->read_limit = limit; + br->read_limit_set = true; +} + +void FLAC__bitreader_remove_limit(FLAC__BitReader *br) +{ + br->read_limit_set = false; + br->read_limit = -1; +} + +uint32_t FLAC__bitreader_limit_remaining(FLAC__BitReader *br) +{ + FLAC__ASSERT(br->read_limit_set); + return br->read_limit; +} +void FLAC__bitreader_limit_invalidate(FLAC__BitReader *br) +{ + br->read_limit = -1; +} + +FLAC__bool FLAC__bitreader_read_raw_uint32(FLAC__BitReader *br, FLAC__uint32 *val, uint32_t bits) +{ + FLAC__ASSERT(0 != br); + FLAC__ASSERT(0 != br->buffer); + + FLAC__ASSERT(bits <= 32); + FLAC__ASSERT((br->capacity*FLAC__BITS_PER_WORD) * 2 >= bits); + FLAC__ASSERT(br->consumed_words <= br->words); + + /* WATCHOUT: code does not work with <32bit words; we can make things much faster with this assertion */ + FLAC__ASSERT(FLAC__BITS_PER_WORD >= 32); + + if(bits == 0) { /* OPT: investigate if this can ever happen, maybe change to assertion */ + *val = 0; + return true; + } + + if(br->read_limit_set && br->read_limit < (uint32_t)-1){ + if(br->read_limit < bits) { + br->read_limit = -1; + return false; + } + else + br->read_limit -= bits; + } + + while((br->words-br->consumed_words)*FLAC__BITS_PER_WORD + br->bytes*8 - br->consumed_bits < bits) { + if(!bitreader_read_from_client_(br)) + return false; + } + if(br->consumed_words < br->words) { /* if we've not consumed up to a partial tail word... */ + /* OPT: taking out the consumed_bits==0 "else" case below might make things faster if less code allows the compiler to inline this function */ + if(br->consumed_bits) { + /* this also works when consumed_bits==0, it's just a little slower than necessary for that case */ + const uint32_t n = FLAC__BITS_PER_WORD - br->consumed_bits; + const brword word = br->buffer[br->consumed_words]; + const brword mask = br->consumed_bits < FLAC__BITS_PER_WORD ? FLAC__WORD_ALL_ONES >> br->consumed_bits : 0; + if(bits < n) { + uint32_t shift = n - bits; + *val = shift < FLAC__BITS_PER_WORD ? (FLAC__uint32)((word & mask) >> shift) : 0; /* The result has <= 32 non-zero bits */ + br->consumed_bits += bits; + return true; + } + /* (FLAC__BITS_PER_WORD - br->consumed_bits <= bits) ==> (FLAC__WORD_ALL_ONES >> br->consumed_bits) has no more than 'bits' non-zero bits */ + *val = (FLAC__uint32)(word & mask); + bits -= n; + br->consumed_words++; + br->consumed_bits = 0; + if(bits) { /* if there are still bits left to read, there have to be less than 32 so they will all be in the next word */ + uint32_t shift = FLAC__BITS_PER_WORD - bits; + *val = bits < 32 ? *val << bits : 0; + *val |= shift < FLAC__BITS_PER_WORD ? (FLAC__uint32)(br->buffer[br->consumed_words] >> shift) : 0; + br->consumed_bits = bits; + } + return true; + } + else { /* br->consumed_bits == 0 */ + const brword word = br->buffer[br->consumed_words]; + if(bits < FLAC__BITS_PER_WORD) { + *val = (FLAC__uint32)(word >> (FLAC__BITS_PER_WORD-bits)); + br->consumed_bits = bits; + return true; + } + /* at this point bits == FLAC__BITS_PER_WORD == 32; because of previous assertions, it can't be larger */ + *val = (FLAC__uint32)word; + br->consumed_words++; + return true; + } + } + else { + /* in this case we're starting our read at a partial tail word; + * the reader has guaranteed that we have at least 'bits' bits + * available to read, which makes this case simpler. + */ + /* OPT: taking out the consumed_bits==0 "else" case below might make things faster if less code allows the compiler to inline this function */ + if(br->consumed_bits) { + /* this also works when consumed_bits==0, it's just a little slower than necessary for that case */ + FLAC__ASSERT(br->consumed_bits + bits <= br->bytes*8); + *val = (FLAC__uint32)((br->buffer[br->consumed_words] & (FLAC__WORD_ALL_ONES >> br->consumed_bits)) >> (FLAC__BITS_PER_WORD-br->consumed_bits-bits)); + br->consumed_bits += bits; + return true; + } + else { + *val = (FLAC__uint32)(br->buffer[br->consumed_words] >> (FLAC__BITS_PER_WORD-bits)); + br->consumed_bits += bits; + return true; + } + } +} + +FLAC__bool FLAC__bitreader_read_raw_int32(FLAC__BitReader *br, FLAC__int32 *val, uint32_t bits) +{ + FLAC__uint32 uval, mask; + /* OPT: inline raw uint32 code here, or make into a macro if possible in the .h file */ + if (bits < 1 || ! FLAC__bitreader_read_raw_uint32(br, &uval, bits)) + return false; + /* sign-extend *val assuming it is currently bits wide. */ + /* From: https://graphics.stanford.edu/~seander/bithacks.html#FixedSignExtend */ + mask = bits >= 33 ? 0 : 1lu << (bits - 1); + *val = (uval ^ mask) - mask; + return true; +} + +FLAC__bool FLAC__bitreader_read_raw_uint64(FLAC__BitReader *br, FLAC__uint64 *val, uint32_t bits) +{ + FLAC__uint32 hi, lo; + + if(bits > 32) { + if(!FLAC__bitreader_read_raw_uint32(br, &hi, bits-32)) + return false; + if(!FLAC__bitreader_read_raw_uint32(br, &lo, 32)) + return false; + *val = hi; + *val <<= 32; + *val |= lo; + } + else { + if(!FLAC__bitreader_read_raw_uint32(br, &lo, bits)) + return false; + *val = lo; + } + return true; +} + +FLAC__bool FLAC__bitreader_read_raw_int64(FLAC__BitReader *br, FLAC__int64 *val, uint32_t bits) +{ + FLAC__uint64 uval, mask; + /* OPT: inline raw uint64 code here, or make into a macro if possible in the .h file */ + if (bits < 1 || ! FLAC__bitreader_read_raw_uint64(br, &uval, bits)) + return false; + /* sign-extend *val assuming it is currently bits wide. */ + /* From: https://graphics.stanford.edu/~seander/bithacks.html#FixedSignExtend */ + mask = bits >= 65 ? 0 : 1llu << (bits - 1); + *val = (uval ^ mask) - mask; + return true; +} + +inline FLAC__bool FLAC__bitreader_read_uint32_little_endian(FLAC__BitReader *br, FLAC__uint32 *val) +{ + FLAC__uint32 x8, x32 = 0; + + /* this doesn't need to be that fast as currently it is only used for vorbis comments */ + + if(!FLAC__bitreader_read_raw_uint32(br, &x32, 8)) + return false; + + if(!FLAC__bitreader_read_raw_uint32(br, &x8, 8)) + return false; + x32 |= (x8 << 8); + + if(!FLAC__bitreader_read_raw_uint32(br, &x8, 8)) + return false; + x32 |= (x8 << 16); + + if(!FLAC__bitreader_read_raw_uint32(br, &x8, 8)) + return false; + x32 |= (x8 << 24); + + *val = x32; + return true; +} + +FLAC__bool FLAC__bitreader_skip_bits_no_crc(FLAC__BitReader *br, uint32_t bits) +{ + /* + * OPT: a faster implementation is possible but probably not that useful + * since this is only called a couple of times in the metadata readers. + */ + FLAC__ASSERT(0 != br); + FLAC__ASSERT(0 != br->buffer); + + if(bits > 0) { + const uint32_t n = br->consumed_bits & 7; + uint32_t m; + FLAC__uint32 x; + + if(n != 0) { + m = flac_min(8-n, bits); + if(!FLAC__bitreader_read_raw_uint32(br, &x, m)) + return false; + bits -= m; + } + m = bits / 8; + if(m > 0) { + if(!FLAC__bitreader_skip_byte_block_aligned_no_crc(br, m)) + return false; + bits %= 8; + } + if(bits > 0) { + if(!FLAC__bitreader_read_raw_uint32(br, &x, bits)) + return false; + } + } + + return true; +} + +FLAC__bool FLAC__bitreader_skip_byte_block_aligned_no_crc(FLAC__BitReader *br, uint32_t nvals) +{ + FLAC__uint32 x; + + FLAC__ASSERT(0 != br); + FLAC__ASSERT(0 != br->buffer); + FLAC__ASSERT(FLAC__bitreader_is_consumed_byte_aligned(br)); + + if(br->read_limit_set && br->read_limit < (uint32_t)-1){ + if(br->read_limit < nvals*8){ + br->read_limit = -1; + return false; + } + } + + /* step 1: skip over partial head word to get word aligned */ + while(nvals && br->consumed_bits) { /* i.e. run until we read 'nvals' bytes or we hit the end of the head word */ + if(!FLAC__bitreader_read_raw_uint32(br, &x, 8)) + return false; + nvals--; + } + if(0 == nvals) + return true; + + /* step 2: skip whole words in chunks */ + while(nvals >= FLAC__BYTES_PER_WORD) { + if(br->consumed_words < br->words) { + br->consumed_words++; + nvals -= FLAC__BYTES_PER_WORD; + if(br->read_limit_set) + br->read_limit -= FLAC__BITS_PER_WORD; + } + else if(!bitreader_read_from_client_(br)) + return false; + } + /* step 3: skip any remainder from partial tail bytes */ + while(nvals) { + if(!FLAC__bitreader_read_raw_uint32(br, &x, 8)) + return false; + nvals--; + } + + return true; +} + +FLAC__bool FLAC__bitreader_read_byte_block_aligned_no_crc(FLAC__BitReader *br, FLAC__byte *val, uint32_t nvals) +{ + FLAC__uint32 x; + + FLAC__ASSERT(0 != br); + FLAC__ASSERT(0 != br->buffer); + FLAC__ASSERT(FLAC__bitreader_is_consumed_byte_aligned(br)); + + if(br->read_limit_set && br->read_limit < (uint32_t)-1){ + if(br->read_limit < nvals*8){ + br->read_limit = -1; + return false; + } + } + + /* step 1: read from partial head word to get word aligned */ + while(nvals && br->consumed_bits) { /* i.e. run until we read 'nvals' bytes or we hit the end of the head word */ + if(!FLAC__bitreader_read_raw_uint32(br, &x, 8)) + return false; + *val++ = (FLAC__byte)x; + nvals--; + } + if(0 == nvals) + return true; + /* step 2: read whole words in chunks */ + while(nvals >= FLAC__BYTES_PER_WORD) { + if(br->consumed_words < br->words) { + const brword word = br->buffer[br->consumed_words++]; +#if FLAC__BYTES_PER_WORD == 4 + val[0] = (FLAC__byte)(word >> 24); + val[1] = (FLAC__byte)(word >> 16); + val[2] = (FLAC__byte)(word >> 8); + val[3] = (FLAC__byte)word; +#elif FLAC__BYTES_PER_WORD == 8 + val[0] = (FLAC__byte)(word >> 56); + val[1] = (FLAC__byte)(word >> 48); + val[2] = (FLAC__byte)(word >> 40); + val[3] = (FLAC__byte)(word >> 32); + val[4] = (FLAC__byte)(word >> 24); + val[5] = (FLAC__byte)(word >> 16); + val[6] = (FLAC__byte)(word >> 8); + val[7] = (FLAC__byte)word; +#else + for(x = 0; x < FLAC__BYTES_PER_WORD; x++) + val[x] = (FLAC__byte)(word >> (8*(FLAC__BYTES_PER_WORD-x-1))); +#endif + val += FLAC__BYTES_PER_WORD; + nvals -= FLAC__BYTES_PER_WORD; + if(br->read_limit_set) + br->read_limit -= FLAC__BITS_PER_WORD; + } + else if(!bitreader_read_from_client_(br)) + return false; + } + /* step 3: read any remainder from partial tail bytes */ + while(nvals) { + if(!FLAC__bitreader_read_raw_uint32(br, &x, 8)) + return false; + *val++ = (FLAC__byte)x; + nvals--; + } + + return true; +} + +FLAC__bool FLAC__bitreader_read_unary_unsigned(FLAC__BitReader *br, uint32_t *val) +#if 0 /* slow but readable version */ +{ + uint32_t bit; + + FLAC__ASSERT(0 != br); + FLAC__ASSERT(0 != br->buffer); + + *val = 0; + while(1) { + if(!FLAC__bitreader_read_bit(br, &bit)) + return false; + if(bit) + break; + else + *val++; + } + return true; +} +#else +{ + uint32_t i; + + FLAC__ASSERT(0 != br); + FLAC__ASSERT(0 != br->buffer); + + *val = 0; + while(1) { + while(br->consumed_words < br->words) { /* if we've not consumed up to a partial tail word... */ + brword b = br->consumed_bits < FLAC__BITS_PER_WORD ? br->buffer[br->consumed_words] << br->consumed_bits : 0; + if(b) { + i = COUNT_ZERO_MSBS(b); + *val += i; + i++; + br->consumed_bits += i; + if(br->consumed_bits >= FLAC__BITS_PER_WORD) { /* faster way of testing if(br->consumed_bits == FLAC__BITS_PER_WORD) */ + br->consumed_words++; + br->consumed_bits = 0; + } + return true; + } + else { + *val += FLAC__BITS_PER_WORD - br->consumed_bits; + br->consumed_words++; + br->consumed_bits = 0; + /* didn't find stop bit yet, have to keep going... */ + } + } + /* at this point we've eaten up all the whole words; have to try + * reading through any tail bytes before calling the read callback. + * this is a repeat of the above logic adjusted for the fact we + * don't have a whole word. note though if the client is feeding + * us data a byte at a time (unlikely), br->consumed_bits may not + * be zero. + */ + if(br->bytes*8 > br->consumed_bits) { + const uint32_t end = br->bytes * 8; + brword b = (br->buffer[br->consumed_words] & (FLAC__WORD_ALL_ONES << (FLAC__BITS_PER_WORD-end))) << br->consumed_bits; + if(b) { + i = COUNT_ZERO_MSBS(b); + *val += i; + i++; + br->consumed_bits += i; + FLAC__ASSERT(br->consumed_bits < FLAC__BITS_PER_WORD); + return true; + } + else { + *val += end - br->consumed_bits; + br->consumed_bits = end; + FLAC__ASSERT(br->consumed_bits < FLAC__BITS_PER_WORD); + /* didn't find stop bit yet, have to keep going... */ + } + } + if(!bitreader_read_from_client_(br)) + return false; + } +} +#endif + +#if 0 /* unused */ +FLAC__bool FLAC__bitreader_read_rice_signed(FLAC__BitReader *br, int *val, uint32_t parameter) +{ + FLAC__uint32 lsbs = 0, msbs = 0; + uint32_t uval; + + FLAC__ASSERT(0 != br); + FLAC__ASSERT(0 != br->buffer); + FLAC__ASSERT(parameter <= 31); + + /* read the unary MSBs and end bit */ + if(!FLAC__bitreader_read_unary_unsigned(br, &msbs)) + return false; + + /* read the binary LSBs */ + if(!FLAC__bitreader_read_raw_uint32(br, &lsbs, parameter)) + return false; + + /* compose the value */ + uval = (msbs << parameter) | lsbs; + if(uval & 1) + *val = -((int)(uval >> 1)) - 1; + else + *val = (int)(uval >> 1); + + return true; +} +#endif + +/* this is by far the most heavily used reader call. it ain't pretty but it's fast */ +FLAC__bool FLAC__bitreader_read_rice_signed_block(FLAC__BitReader *br, int vals[], uint32_t nvals, uint32_t parameter) +#include "deduplication/bitreader_read_rice_signed_block.c" + +#ifdef FLAC__BMI2_SUPPORTED +FLAC__SSE_TARGET("bmi2") +FLAC__bool FLAC__bitreader_read_rice_signed_block_bmi2(FLAC__BitReader *br, int vals[], uint32_t nvals, uint32_t parameter) +#include "deduplication/bitreader_read_rice_signed_block.c" +#endif + +#if 0 /* UNUSED */ +FLAC__bool FLAC__bitreader_read_golomb_signed(FLAC__BitReader *br, int *val, uint32_t parameter) +{ + FLAC__uint32 lsbs = 0, msbs = 0; + uint32_t bit, uval, k; + + FLAC__ASSERT(0 != br); + FLAC__ASSERT(0 != br->buffer); + + k = FLAC__bitmath_ilog2(parameter); + + /* read the unary MSBs and end bit */ + if(!FLAC__bitreader_read_unary_unsigned(br, &msbs)) + return false; + + /* read the binary LSBs */ + if(!FLAC__bitreader_read_raw_uint32(br, &lsbs, k)) + return false; + + if(parameter == 1u<<k) { + /* compose the value */ + uval = (msbs << k) | lsbs; + } + else { + uint32_t d = (1 << (k+1)) - parameter; + if(lsbs >= d) { + if(!FLAC__bitreader_read_bit(br, &bit)) + return false; + lsbs <<= 1; + lsbs |= bit; + lsbs -= d; + } + /* compose the value */ + uval = msbs * parameter + lsbs; + } + + /* unfold uint32_t to signed */ + if(uval & 1) + *val = -((int)(uval >> 1)) - 1; + else + *val = (int)(uval >> 1); + + return true; +} + +FLAC__bool FLAC__bitreader_read_golomb_unsigned(FLAC__BitReader *br, uint32_t *val, uint32_t parameter) +{ + FLAC__uint32 lsbs, msbs = 0; + uint32_t bit, k; + + FLAC__ASSERT(0 != br); + FLAC__ASSERT(0 != br->buffer); + + k = FLAC__bitmath_ilog2(parameter); + + /* read the unary MSBs and end bit */ + if(!FLAC__bitreader_read_unary_unsigned(br, &msbs)) + return false; + + /* read the binary LSBs */ + if(!FLAC__bitreader_read_raw_uint32(br, &lsbs, k)) + return false; + + if(parameter == 1u<<k) { + /* compose the value */ + *val = (msbs << k) | lsbs; + } + else { + uint32_t d = (1 << (k+1)) - parameter; + if(lsbs >= d) { + if(!FLAC__bitreader_read_bit(br, &bit)) + return false; + lsbs <<= 1; + lsbs |= bit; + lsbs -= d; + } + /* compose the value */ + *val = msbs * parameter + lsbs; + } + + return true; +} +#endif /* UNUSED */ + +/* on return, if *val == 0xffffffff then the utf-8 sequence was invalid, but the return value will be true */ +FLAC__bool FLAC__bitreader_read_utf8_uint32(FLAC__BitReader *br, FLAC__uint32 *val, FLAC__byte *raw, uint32_t *rawlen) +{ + FLAC__uint32 v = 0; + FLAC__uint32 x; + uint32_t i; + + if(!FLAC__bitreader_read_raw_uint32(br, &x, 8)) + return false; + if(raw) + raw[(*rawlen)++] = (FLAC__byte)x; + if(!(x & 0x80)) { /* 0xxxxxxx */ + v = x; + i = 0; + } + else if(x & 0xC0 && !(x & 0x20)) { /* 110xxxxx */ + v = x & 0x1F; + i = 1; + } + else if(x & 0xE0 && !(x & 0x10)) { /* 1110xxxx */ + v = x & 0x0F; + i = 2; + } + else if(x & 0xF0 && !(x & 0x08)) { /* 11110xxx */ + v = x & 0x07; + i = 3; + } + else if(x & 0xF8 && !(x & 0x04)) { /* 111110xx */ + v = x & 0x03; + i = 4; + } + else if(x & 0xFC && !(x & 0x02)) { /* 1111110x */ + v = x & 0x01; + i = 5; + } + else { + *val = 0xffffffff; + return true; + } + for( ; i; i--) { + if(!FLAC__bitreader_read_raw_uint32(br, &x, 8)) + return false; + if(raw) + raw[(*rawlen)++] = (FLAC__byte)x; + if(!(x & 0x80) || (x & 0x40)) { /* 10xxxxxx */ + *val = 0xffffffff; + return true; + } + v <<= 6; + v |= (x & 0x3F); + } + *val = v; + return true; +} + +/* on return, if *val == 0xffffffffffffffff then the utf-8 sequence was invalid, but the return value will be true */ +FLAC__bool FLAC__bitreader_read_utf8_uint64(FLAC__BitReader *br, FLAC__uint64 *val, FLAC__byte *raw, uint32_t *rawlen) +{ + FLAC__uint64 v = 0; + FLAC__uint32 x; + uint32_t i; + + if(!FLAC__bitreader_read_raw_uint32(br, &x, 8)) + return false; + if(raw) + raw[(*rawlen)++] = (FLAC__byte)x; + if(!(x & 0x80)) { /* 0xxxxxxx */ + v = x; + i = 0; + } + else if(x & 0xC0 && !(x & 0x20)) { /* 110xxxxx */ + v = x & 0x1F; + i = 1; + } + else if(x & 0xE0 && !(x & 0x10)) { /* 1110xxxx */ + v = x & 0x0F; + i = 2; + } + else if(x & 0xF0 && !(x & 0x08)) { /* 11110xxx */ + v = x & 0x07; + i = 3; + } + else if(x & 0xF8 && !(x & 0x04)) { /* 111110xx */ + v = x & 0x03; + i = 4; + } + else if(x & 0xFC && !(x & 0x02)) { /* 1111110x */ + v = x & 0x01; + i = 5; + } + else if(x & 0xFE && !(x & 0x01)) { /* 11111110 */ + v = 0; + i = 6; + } + else { + *val = FLAC__U64L(0xffffffffffffffff); + return true; + } + for( ; i; i--) { + if(!FLAC__bitreader_read_raw_uint32(br, &x, 8)) + return false; + if(raw) + raw[(*rawlen)++] = (FLAC__byte)x; + if(!(x & 0x80) || (x & 0x40)) { /* 10xxxxxx */ + *val = FLAC__U64L(0xffffffffffffffff); + return true; + } + v <<= 6; + v |= (x & 0x3F); + } + *val = v; + return true; +} + +/* These functions are declared inline in this file but are also callable as + * externs from elsewhere. + * According to the C99 spec, section 6.7.4, simply providing a function + * prototype in a header file without 'inline' and making the function inline + * in this file should be sufficient. + * Unfortunately, the Microsoft VS compiler doesn't pick them up externally. To + * fix that we add extern declarations here. + */ +extern FLAC__bool FLAC__bitreader_is_consumed_byte_aligned(const FLAC__BitReader *br); +extern uint32_t FLAC__bitreader_bits_left_for_byte_alignment(const FLAC__BitReader *br); +extern uint32_t FLAC__bitreader_get_input_bits_unconsumed(const FLAC__BitReader *br); +extern FLAC__bool FLAC__bitreader_read_uint32_little_endian(FLAC__BitReader *br, FLAC__uint32 *val); diff --git a/src/libFLAC/bitwriter.c b/src/libFLAC/bitwriter.c new file mode 100644 index 0000000..1d7be80 --- /dev/null +++ b/src/libFLAC/bitwriter.c @@ -0,0 +1,955 @@ +/* libFLAC - Free Lossless Audio Codec library + * Copyright (C) 2000-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * - Neither the name of the Xiph.org Foundation nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include <stdlib.h> +#include <string.h> +#include "private/bitwriter.h" +#include "private/crc.h" +#include "private/format.h" +#include "private/macros.h" +#include "private/stream_encoder.h" +#include "FLAC/assert.h" +#include "share/alloc.h" +#include "share/compat.h" +#include "share/endswap.h" + +/* Things should be fastest when this matches the machine word size */ +/* WATCHOUT: if you change this you must also change the following #defines down to SWAP_BE_WORD_TO_HOST below to match */ +/* WATCHOUT: there are a few places where the code will not work unless bwword is >= 32 bits wide */ + +#if (ENABLE_64_BIT_WORDS == 0) + +typedef FLAC__uint32 bwword; +typedef FLAC__uint64 FLAC__bwtemp; +#define FLAC__BYTES_PER_WORD 4 /* sizeof bwword */ +#define FLAC__BITS_PER_WORD 32 +#define FLAC__TEMP_BITS 64 +#define FLAC__HALF_TEMP_BITS 32 +/* SWAP_BE_WORD_TO_HOST swaps bytes in a bwword (which is always big-endian) if necessary to match host byte order */ +#if WORDS_BIGENDIAN +#define SWAP_BE_WORD_TO_HOST(x) (x) +#else +#define SWAP_BE_WORD_TO_HOST(x) ENDSWAP_32(x) +#endif + +#else + +typedef FLAC__uint64 bwword; +typedef FLAC__uint64 FLAC__bwtemp; +#define FLAC__BYTES_PER_WORD 8 /* sizeof bwword */ +#define FLAC__BITS_PER_WORD 64 +#define FLAC__TEMP_BITS 64 +#define FLAC__HALF_TEMP_BITS 32 +/* SWAP_BE_WORD_TO_HOST swaps bytes in a bwword (which is always big-endian) if necessary to match host byte order */ +#if WORDS_BIGENDIAN +#define SWAP_BE_WORD_TO_HOST(x) (x) +#else +#define SWAP_BE_WORD_TO_HOST(x) ENDSWAP_64(x) +#endif + +#endif + +/* + * The default capacity here doesn't matter too much. The buffer always grows + * to hold whatever is written to it. Usually the encoder will stop adding at + * a frame or metadata block, then write that out and clear the buffer for the + * next one. + */ +static const uint32_t FLAC__BITWRITER_DEFAULT_CAPACITY = 32768u / sizeof(bwword); /* size in words */ +/* When growing, increment 4K at a time */ +static const uint32_t FLAC__BITWRITER_DEFAULT_INCREMENT = 4096u / sizeof(bwword); /* size in words */ + +#define FLAC__WORDS_TO_BITS(words) ((words) * FLAC__BITS_PER_WORD) +#define FLAC__TOTAL_BITS(bw) (FLAC__WORDS_TO_BITS((bw)->words) + (bw)->bits) + +struct FLAC__BitWriter { + bwword *buffer; + bwword accum; /* accumulator; bits are right-justified; when full, accum is appended to buffer */ + uint32_t capacity; /* capacity of buffer in words */ + uint32_t words; /* # of complete words in buffer */ + uint32_t bits; /* # of used bits in accum */ +}; + +/* * WATCHOUT: The current implementation only grows the buffer. */ +#ifndef __SUNPRO_C +static +#endif +FLAC__bool bitwriter_grow_(FLAC__BitWriter *bw, uint32_t bits_to_add) +{ + uint32_t new_capacity; + bwword *new_buffer; + + FLAC__ASSERT(0 != bw); + FLAC__ASSERT(0 != bw->buffer); + + /* calculate total words needed to store 'bits_to_add' additional bits */ + new_capacity = bw->words + ((bw->bits + bits_to_add + FLAC__BITS_PER_WORD - 1) / FLAC__BITS_PER_WORD); + + /* it's possible (due to pessimism in the growth estimation that + * leads to this call) that we don't actually need to grow + */ + if(bw->capacity >= new_capacity) + return true; + + if(new_capacity * sizeof(bwword) > (1u << FLAC__STREAM_METADATA_LENGTH_LEN)) + /* Requested new capacity is larger than the largest possible metadata block, + * which is also larger than the largest sane framesize. That means something + * went very wrong somewhere and previous checks failed. + * To prevent chrashing, give up */ + return false; + + /* round up capacity increase to the nearest FLAC__BITWRITER_DEFAULT_INCREMENT */ + if((new_capacity - bw->capacity) % FLAC__BITWRITER_DEFAULT_INCREMENT) + new_capacity += FLAC__BITWRITER_DEFAULT_INCREMENT - ((new_capacity - bw->capacity) % FLAC__BITWRITER_DEFAULT_INCREMENT); + /* make sure we got everything right */ + FLAC__ASSERT(0 == (new_capacity - bw->capacity) % FLAC__BITWRITER_DEFAULT_INCREMENT); + FLAC__ASSERT(new_capacity > bw->capacity); + FLAC__ASSERT(new_capacity >= bw->words + ((bw->bits + bits_to_add + FLAC__BITS_PER_WORD - 1) / FLAC__BITS_PER_WORD)); + + new_buffer = safe_realloc_nofree_mul_2op_(bw->buffer, sizeof(bwword), /*times*/new_capacity); + if(new_buffer == 0) + return false; + bw->buffer = new_buffer; + bw->capacity = new_capacity; + return true; +} + + +/*********************************************************************** + * + * Class constructor/destructor + * + ***********************************************************************/ + +FLAC__BitWriter *FLAC__bitwriter_new(void) +{ + FLAC__BitWriter *bw = calloc(1, sizeof(FLAC__BitWriter)); + /* note that calloc() sets all members to 0 for us */ + return bw; +} + +void FLAC__bitwriter_delete(FLAC__BitWriter *bw) +{ + FLAC__ASSERT(0 != bw); + + FLAC__bitwriter_free(bw); + free(bw); +} + +/*********************************************************************** + * + * Public class methods + * + ***********************************************************************/ + +FLAC__bool FLAC__bitwriter_init(FLAC__BitWriter *bw) +{ + FLAC__ASSERT(0 != bw); + + bw->words = bw->bits = 0; + bw->capacity = FLAC__BITWRITER_DEFAULT_CAPACITY; + bw->buffer = malloc(sizeof(bwword) * bw->capacity); + if(bw->buffer == 0) + return false; + + return true; +} + +void FLAC__bitwriter_free(FLAC__BitWriter *bw) +{ + FLAC__ASSERT(0 != bw); + + if(0 != bw->buffer) + free(bw->buffer); + bw->buffer = 0; + bw->capacity = 0; + bw->words = bw->bits = 0; +} + +void FLAC__bitwriter_clear(FLAC__BitWriter *bw) +{ + bw->words = bw->bits = 0; +} + +FLAC__bool FLAC__bitwriter_get_write_crc16(FLAC__BitWriter *bw, FLAC__uint16 *crc) +{ + const FLAC__byte *buffer; + size_t bytes; + + FLAC__ASSERT((bw->bits & 7) == 0); /* assert that we're byte-aligned */ + + if(!FLAC__bitwriter_get_buffer(bw, &buffer, &bytes)) + return false; + + *crc = (FLAC__uint16)FLAC__crc16(buffer, bytes); + FLAC__bitwriter_release_buffer(bw); + return true; +} + +FLAC__bool FLAC__bitwriter_get_write_crc8(FLAC__BitWriter *bw, FLAC__byte *crc) +{ + const FLAC__byte *buffer; + size_t bytes; + + FLAC__ASSERT((bw->bits & 7) == 0); /* assert that we're byte-aligned */ + + if(!FLAC__bitwriter_get_buffer(bw, &buffer, &bytes)) + return false; + + *crc = FLAC__crc8(buffer, bytes); + FLAC__bitwriter_release_buffer(bw); + return true; +} + +FLAC__bool FLAC__bitwriter_is_byte_aligned(const FLAC__BitWriter *bw) +{ + return ((bw->bits & 7) == 0); +} + +uint32_t FLAC__bitwriter_get_input_bits_unconsumed(const FLAC__BitWriter *bw) +{ + return FLAC__TOTAL_BITS(bw); +} + +FLAC__bool FLAC__bitwriter_get_buffer(FLAC__BitWriter *bw, const FLAC__byte **buffer, size_t *bytes) +{ + FLAC__ASSERT((bw->bits & 7) == 0); + /* double protection */ + if(bw->bits & 7) + return false; + /* if we have bits in the accumulator we have to flush those to the buffer first */ + if(bw->bits) { + FLAC__ASSERT(bw->words <= bw->capacity); + if(bw->words == bw->capacity && !bitwriter_grow_(bw, FLAC__BITS_PER_WORD)) + return false; + /* append bits as complete word to buffer, but don't change bw->accum or bw->bits */ + bw->buffer[bw->words] = SWAP_BE_WORD_TO_HOST(bw->accum << (FLAC__BITS_PER_WORD-bw->bits)); + } + /* now we can just return what we have */ + *buffer = (FLAC__byte*)bw->buffer; + *bytes = (FLAC__BYTES_PER_WORD * bw->words) + (bw->bits >> 3); + return true; +} + +void FLAC__bitwriter_release_buffer(FLAC__BitWriter *bw) +{ + /* nothing to do. in the future, strict checking of a 'writer-is-in- + * get-mode' flag could be added everywhere and then cleared here + */ + (void)bw; +} + +inline FLAC__bool FLAC__bitwriter_write_zeroes(FLAC__BitWriter *bw, uint32_t bits) +{ + uint32_t n; + + FLAC__ASSERT(0 != bw); + FLAC__ASSERT(0 != bw->buffer); + + if(bits == 0) + return true; + /* slightly pessimistic size check but faster than "<= bw->words + (bw->bits+bits+FLAC__BITS_PER_WORD-1)/FLAC__BITS_PER_WORD" */ + if(bw->capacity <= bw->words + bits && !bitwriter_grow_(bw, bits)) + return false; + /* first part gets to word alignment */ + if(bw->bits) { + n = flac_min(FLAC__BITS_PER_WORD - bw->bits, bits); + bw->accum <<= n; + bits -= n; + bw->bits += n; + if(bw->bits == FLAC__BITS_PER_WORD) { + bw->buffer[bw->words++] = SWAP_BE_WORD_TO_HOST(bw->accum); + bw->bits = 0; + } + else + return true; + } + /* do whole words */ + while(bits >= FLAC__BITS_PER_WORD) { + bw->buffer[bw->words++] = 0; + bits -= FLAC__BITS_PER_WORD; + } + /* do any leftovers */ + if(bits > 0) { + bw->accum = 0; + bw->bits = bits; + } + return true; +} + +static inline FLAC__bool FLAC__bitwriter_write_raw_uint32_nocheck(FLAC__BitWriter *bw, FLAC__uint32 val, uint32_t bits) +{ + register uint32_t left; + + /* WATCHOUT: code does not work with <32bit words; we can make things much faster with this assertion */ + FLAC__ASSERT(FLAC__BITS_PER_WORD >= 32); + + if(bw == 0 || bw->buffer == 0) + return false; + + if (bits > 32) + return false; + + if(bits == 0) + return true; + + FLAC__ASSERT((bits == 32) || (val>>bits == 0)); + + /* slightly pessimistic size check but faster than "<= bw->words + (bw->bits+bits+FLAC__BITS_PER_WORD-1)/FLAC__BITS_PER_WORD" */ + if(bw->capacity <= bw->words + bits && !bitwriter_grow_(bw, bits)) + return false; + + left = FLAC__BITS_PER_WORD - bw->bits; + if(bits < left) { + bw->accum <<= bits; + bw->accum |= val; + bw->bits += bits; + } + else if(bw->bits) { /* WATCHOUT: if bw->bits == 0, left==FLAC__BITS_PER_WORD and bw->accum<<=left is a NOP instead of setting to 0 */ + bw->accum <<= left; + bw->accum |= val >> (bw->bits = bits - left); + bw->buffer[bw->words++] = SWAP_BE_WORD_TO_HOST(bw->accum); + bw->accum = val; /* unused top bits can contain garbage */ + } + else { /* at this point bits == FLAC__BITS_PER_WORD == 32 and bw->bits == 0 */ + bw->buffer[bw->words++] = SWAP_BE_WORD_TO_HOST((bwword)val); + } + + return true; +} + +inline FLAC__bool FLAC__bitwriter_write_raw_uint32(FLAC__BitWriter *bw, FLAC__uint32 val, uint32_t bits) +{ + /* check that unused bits are unset */ + if((bits < 32) && (val>>bits != 0)) + return false; + + return FLAC__bitwriter_write_raw_uint32_nocheck(bw, val, bits); +} + +inline FLAC__bool FLAC__bitwriter_write_raw_int32(FLAC__BitWriter *bw, FLAC__int32 val, uint32_t bits) +{ + /* zero-out unused bits */ + if(bits < 32) + val &= (~(0xffffffff << bits)); + + return FLAC__bitwriter_write_raw_uint32_nocheck(bw, (FLAC__uint32)val, bits); +} + +inline FLAC__bool FLAC__bitwriter_write_raw_uint64(FLAC__BitWriter *bw, FLAC__uint64 val, uint32_t bits) +{ + /* this could be a little faster but it's not used for much */ + if(bits > 32) { + return + FLAC__bitwriter_write_raw_uint32(bw, (FLAC__uint32)(val>>32), bits-32) && + FLAC__bitwriter_write_raw_uint32_nocheck(bw, (FLAC__uint32)val, 32); + } + else + return FLAC__bitwriter_write_raw_uint32(bw, (FLAC__uint32)val, bits); +} + +inline FLAC__bool FLAC__bitwriter_write_raw_int64(FLAC__BitWriter *bw, FLAC__int64 val, uint32_t bits) +{ + FLAC__uint64 uval = val; + /* zero-out unused bits */ + if(bits < 64) + uval &= (~(UINT64_MAX << bits)); + return FLAC__bitwriter_write_raw_uint64(bw, uval, bits); +} + +inline FLAC__bool FLAC__bitwriter_write_raw_uint32_little_endian(FLAC__BitWriter *bw, FLAC__uint32 val) +{ + /* this doesn't need to be that fast as currently it is only used for vorbis comments */ + + if(!FLAC__bitwriter_write_raw_uint32_nocheck(bw, val & 0xff, 8)) + return false; + if(!FLAC__bitwriter_write_raw_uint32_nocheck(bw, (val>>8) & 0xff, 8)) + return false; + if(!FLAC__bitwriter_write_raw_uint32_nocheck(bw, (val>>16) & 0xff, 8)) + return false; + if(!FLAC__bitwriter_write_raw_uint32_nocheck(bw, val>>24, 8)) + return false; + + return true; +} + +inline FLAC__bool FLAC__bitwriter_write_byte_block(FLAC__BitWriter *bw, const FLAC__byte vals[], uint32_t nvals) +{ + uint32_t i; + + /* grow capacity upfront to prevent constant reallocation during writes */ + if(bw->capacity <= bw->words + nvals / (FLAC__BITS_PER_WORD / 8) + 1 && !bitwriter_grow_(bw, nvals * 8)) + return false; + + /* this could be faster but currently we don't need it to be since it's only used for writing metadata */ + for(i = 0; i < nvals; i++) { + if(!FLAC__bitwriter_write_raw_uint32_nocheck(bw, (FLAC__uint32)(vals[i]), 8)) + return false; + } + + return true; +} + +FLAC__bool FLAC__bitwriter_write_unary_unsigned(FLAC__BitWriter *bw, uint32_t val) +{ + if(val < 32) + return FLAC__bitwriter_write_raw_uint32_nocheck(bw, 1, ++val); + else + return + FLAC__bitwriter_write_zeroes(bw, val) && + FLAC__bitwriter_write_raw_uint32_nocheck(bw, 1, 1); +} + +#if 0 /* UNUSED */ +uint32_t FLAC__bitwriter_rice_bits(FLAC__int32 val, uint32_t parameter) +{ + FLAC__uint32 uval; + + FLAC__ASSERT(parameter < 32); + + /* fold signed to uint32_t; actual formula is: negative(v)? -2v-1 : 2v */ + uval = val; + uval <<= 1; + uval ^= (val>>31); + + return 1 + parameter + (uval >> parameter); +} + +uint32_t FLAC__bitwriter_golomb_bits_signed(int val, uint32_t parameter) +{ + uint32_t bits, msbs, uval; + uint32_t k; + + FLAC__ASSERT(parameter > 0); + + /* fold signed to uint32_t */ + if(val < 0) + uval = (uint32_t)(((-(++val)) << 1) + 1); + else + uval = (uint32_t)(val << 1); + + k = FLAC__bitmath_ilog2(parameter); + if(parameter == 1u<<k) { + FLAC__ASSERT(k <= 30); + + msbs = uval >> k; + bits = 1 + k + msbs; + } + else { + uint32_t q, r, d; + + d = (1 << (k+1)) - parameter; + q = uval / parameter; + r = uval - (q * parameter); + + bits = 1 + q + k; + if(r >= d) + bits++; + } + return bits; +} + +uint32_t FLAC__bitwriter_golomb_bits_unsigned(uint32_t uval, uint32_t parameter) +{ + uint32_t bits, msbs; + uint32_t k; + + FLAC__ASSERT(parameter > 0); + + k = FLAC__bitmath_ilog2(parameter); + if(parameter == 1u<<k) { + FLAC__ASSERT(k <= 30); + + msbs = uval >> k; + bits = 1 + k + msbs; + } + else { + uint32_t q, r, d; + + d = (1 << (k+1)) - parameter; + q = uval / parameter; + r = uval - (q * parameter); + + bits = 1 + q + k; + if(r >= d) + bits++; + } + return bits; +} + +FLAC__bool FLAC__bitwriter_write_rice_signed(FLAC__BitWriter *bw, FLAC__int32 val, uint32_t parameter) +{ + uint32_t total_bits, interesting_bits, msbs; + FLAC__uint32 uval, pattern; + + FLAC__ASSERT(0 != bw); + FLAC__ASSERT(0 != bw->buffer); + FLAC__ASSERT(parameter < 32); + + /* fold signed to uint32_t; actual formula is: negative(v)? -2v-1 : 2v */ + uval = val; + uval <<= 1; + uval ^= (val>>31); + + msbs = uval >> parameter; + interesting_bits = 1 + parameter; + total_bits = interesting_bits + msbs; + pattern = 1 << parameter; /* the unary end bit */ + pattern |= (uval & ((1<<parameter)-1)); /* the binary LSBs */ + + if(total_bits <= 32) + return FLAC__bitwriter_write_raw_uint32(bw, pattern, total_bits); + else + return + FLAC__bitwriter_write_zeroes(bw, msbs) && /* write the unary MSBs */ + FLAC__bitwriter_write_raw_uint32(bw, pattern, interesting_bits); /* write the unary end bit and binary LSBs */ +} +#endif /* UNUSED */ + +#if (ENABLE_64_BIT_WORDS == 0) + +#define WIDE_ACCUM_TO_BW { \ + bw->accum = wide_accum >> FLAC__HALF_TEMP_BITS; \ + bw->buffer[bw->words++] = SWAP_BE_WORD_TO_HOST(bw->accum); \ + wide_accum <<= FLAC__HALF_TEMP_BITS; \ + bitpointer += FLAC__HALF_TEMP_BITS; \ +} + +#else + +#define WIDE_ACCUM_TO_BW { \ + FLAC__ASSERT(bw->bits % FLAC__HALF_TEMP_BITS == 0); \ + if(bw->bits == 0) { \ + bw->accum = wide_accum >> FLAC__HALF_TEMP_BITS; \ + wide_accum <<= FLAC__HALF_TEMP_BITS; \ + bw->bits = FLAC__HALF_TEMP_BITS; \ + } \ + else { \ + bw->accum <<= FLAC__HALF_TEMP_BITS; \ + bw->accum += wide_accum >> FLAC__HALF_TEMP_BITS; \ + bw->buffer[bw->words++] = SWAP_BE_WORD_TO_HOST(bw->accum); \ + wide_accum <<= FLAC__HALF_TEMP_BITS; \ + bw->bits = 0; \ + } \ + bitpointer += FLAC__HALF_TEMP_BITS; \ +} + +#endif + +FLAC__bool FLAC__bitwriter_write_rice_signed_block(FLAC__BitWriter *bw, const FLAC__int32 *vals, uint32_t nvals, uint32_t parameter) +{ + const FLAC__uint32 mask1 = (FLAC__uint32)0xffffffff << parameter; /* we val|=mask1 to set the stop bit above it... */ + const FLAC__uint32 mask2 = (FLAC__uint32)0xffffffff >> (31-parameter); /* ...then mask off the bits above the stop bit with val&=mask2 */ + FLAC__uint32 uval; + const uint32_t lsbits = 1 + parameter; + uint32_t msbits, total_bits; + FLAC__bwtemp wide_accum = 0; + FLAC__uint32 bitpointer = FLAC__TEMP_BITS; + + FLAC__ASSERT(0 != bw); + FLAC__ASSERT(0 != bw->buffer); + FLAC__ASSERT(parameter < 31); + /* WATCHOUT: code does not work with <32bit words; we can make things much faster with this assertion */ + FLAC__ASSERT(FLAC__BITS_PER_WORD >= 32); +#if (ENABLE_64_BIT_WORDS == 0) + if(bw->bits > 0) { + bitpointer -= bw->bits; + wide_accum = (FLAC__bwtemp)(bw->accum) << bitpointer; + bw->bits = 0; + } +#else + if(bw->bits > 0 && bw->bits < FLAC__HALF_TEMP_BITS) { + bitpointer -= bw->bits; + wide_accum = bw->accum << bitpointer; + bw->bits = 0; + } + else if(bw->bits > FLAC__HALF_TEMP_BITS) { + bitpointer -= (bw->bits - FLAC__HALF_TEMP_BITS); + wide_accum = bw->accum << bitpointer; + bw->accum >>= (bw->bits - FLAC__HALF_TEMP_BITS); + bw->bits = FLAC__HALF_TEMP_BITS; + } +#endif + + /* Reserve one FLAC__TEMP_BITS per symbol, so checks for space are only necessary when very large symbols are encountered + * this might be considered wasteful, but is only at most 8kB more than necessary for a blocksize of 4096 */ + if(bw->capacity * FLAC__BITS_PER_WORD <= bw->words * FLAC__BITS_PER_WORD + nvals * FLAC__TEMP_BITS + bw->bits && !bitwriter_grow_(bw, nvals * FLAC__TEMP_BITS)) + return false; + + while(nvals) { + /* fold signed to uint32_t; actual formula is: negative(v)? -2v-1 : 2v */ + uval = *vals; + uval <<= 1; + uval ^= (*vals>>31); + + msbits = uval >> parameter; + total_bits = lsbits + msbits; + + uval |= mask1; /* set stop bit */ + uval &= mask2; /* mask off unused top bits */ + + + if(total_bits <= bitpointer) { + /* There is room enough to store the symbol whole at once */ + wide_accum |= (FLAC__bwtemp)(uval) << (bitpointer - total_bits); + bitpointer -= total_bits; + if(bitpointer <= FLAC__HALF_TEMP_BITS) { + /* A word is finished, copy the upper 32 bits of the wide_accum */ + WIDE_ACCUM_TO_BW + } + } + else { + /* The symbol needs to be split. This code isn't used often */ + /* First check for space in the bitwriter */ + if(total_bits > FLAC__TEMP_BITS) { + FLAC__uint32 oversize_in_bits = total_bits - FLAC__TEMP_BITS; + FLAC__uint32 capacity_needed = bw->words * FLAC__BITS_PER_WORD + bw->bits + nvals * FLAC__TEMP_BITS + oversize_in_bits; + if(bw->capacity * FLAC__BITS_PER_WORD <= capacity_needed && !bitwriter_grow_(bw, nvals * FLAC__TEMP_BITS + oversize_in_bits)) + return false; + } + if(msbits > bitpointer) { + /* We have a lot of 0 bits to write, first align with bitwriter word */ + msbits -= bitpointer - FLAC__HALF_TEMP_BITS; + bitpointer = FLAC__HALF_TEMP_BITS; + WIDE_ACCUM_TO_BW + while(msbits > bitpointer) { + /* As the accumulator is already zero, we only need to + * assign zeroes to the bitbuffer */ + WIDE_ACCUM_TO_BW + bitpointer -= FLAC__HALF_TEMP_BITS; + msbits -= FLAC__HALF_TEMP_BITS; + } + /* The remaining bits are zero, and the accumulator already is zero, + * so just subtract the number of bits from bitpointer. When storing, + * we can also just store 0 */ + bitpointer -= msbits; + if(bitpointer <= FLAC__HALF_TEMP_BITS) + WIDE_ACCUM_TO_BW + } + else { + bitpointer -= msbits; + if(bitpointer <= FLAC__HALF_TEMP_BITS) + WIDE_ACCUM_TO_BW + } + /* The lsbs + stop bit always fit 32 bit, so this code mirrors the code above */ + wide_accum |= (FLAC__bwtemp)(uval) << (bitpointer - lsbits); + bitpointer -= lsbits; + if(bitpointer <= FLAC__HALF_TEMP_BITS) { + /* A word is finished, copy the upper 32 bits of the wide_accum */ + WIDE_ACCUM_TO_BW + } + } + vals++; + nvals--; + } + /* Now fixup remainder of wide_accum */ +#if (ENABLE_64_BIT_WORDS == 0) + if(bitpointer < FLAC__TEMP_BITS) { + bw->accum = wide_accum >> bitpointer; + bw->bits = FLAC__TEMP_BITS - bitpointer; + } +#else + if(bitpointer < FLAC__TEMP_BITS) { + if(bw->bits == 0) { + bw->accum = wide_accum >> bitpointer; + bw->bits = FLAC__TEMP_BITS - bitpointer; + } + else if (bw->bits == FLAC__HALF_TEMP_BITS) { + bw->accum <<= FLAC__TEMP_BITS - bitpointer; + bw->accum |= (wide_accum >> bitpointer); + bw->bits = FLAC__HALF_TEMP_BITS + FLAC__TEMP_BITS - bitpointer; + } + else { + FLAC__ASSERT(0); + } + } +#endif + + + return true; +} + +#if 0 /* UNUSED */ +FLAC__bool FLAC__bitwriter_write_golomb_signed(FLAC__BitWriter *bw, int val, uint32_t parameter) +{ + uint32_t total_bits, msbs, uval; + uint32_t k; + + FLAC__ASSERT(0 != bw); + FLAC__ASSERT(0 != bw->buffer); + FLAC__ASSERT(parameter > 0); + + /* fold signed to uint32_t */ + if(val < 0) + uval = (uint32_t)(((-(++val)) << 1) + 1); + else + uval = (uint32_t)(val << 1); + + k = FLAC__bitmath_ilog2(parameter); + if(parameter == 1u<<k) { + uint32_t pattern; + + FLAC__ASSERT(k <= 30); + + msbs = uval >> k; + total_bits = 1 + k + msbs; + pattern = 1 << k; /* the unary end bit */ + pattern |= (uval & ((1u<<k)-1)); /* the binary LSBs */ + + if(total_bits <= 32) { + if(!FLAC__bitwriter_write_raw_uint32(bw, pattern, total_bits)) + return false; + } + else { + /* write the unary MSBs */ + if(!FLAC__bitwriter_write_zeroes(bw, msbs)) + return false; + /* write the unary end bit and binary LSBs */ + if(!FLAC__bitwriter_write_raw_uint32(bw, pattern, k+1)) + return false; + } + } + else { + uint32_t q, r, d; + + d = (1 << (k+1)) - parameter; + q = uval / parameter; + r = uval - (q * parameter); + /* write the unary MSBs */ + if(!FLAC__bitwriter_write_zeroes(bw, q)) + return false; + /* write the unary end bit */ + if(!FLAC__bitwriter_write_raw_uint32(bw, 1, 1)) + return false; + /* write the binary LSBs */ + if(r >= d) { + if(!FLAC__bitwriter_write_raw_uint32(bw, r+d, k+1)) + return false; + } + else { + if(!FLAC__bitwriter_write_raw_uint32(bw, r, k)) + return false; + } + } + return true; +} + +FLAC__bool FLAC__bitwriter_write_golomb_unsigned(FLAC__BitWriter *bw, uint32_t uval, uint32_t parameter) +{ + uint32_t total_bits, msbs; + uint32_t k; + + FLAC__ASSERT(0 != bw); + FLAC__ASSERT(0 != bw->buffer); + FLAC__ASSERT(parameter > 0); + + k = FLAC__bitmath_ilog2(parameter); + if(parameter == 1u<<k) { + uint32_t pattern; + + FLAC__ASSERT(k <= 30); + + msbs = uval >> k; + total_bits = 1 + k + msbs; + pattern = 1 << k; /* the unary end bit */ + pattern |= (uval & ((1u<<k)-1)); /* the binary LSBs */ + + if(total_bits <= 32) { + if(!FLAC__bitwriter_write_raw_uint32(bw, pattern, total_bits)) + return false; + } + else { + /* write the unary MSBs */ + if(!FLAC__bitwriter_write_zeroes(bw, msbs)) + return false; + /* write the unary end bit and binary LSBs */ + if(!FLAC__bitwriter_write_raw_uint32(bw, pattern, k+1)) + return false; + } + } + else { + uint32_t q, r, d; + + d = (1 << (k+1)) - parameter; + q = uval / parameter; + r = uval - (q * parameter); + /* write the unary MSBs */ + if(!FLAC__bitwriter_write_zeroes(bw, q)) + return false; + /* write the unary end bit */ + if(!FLAC__bitwriter_write_raw_uint32(bw, 1, 1)) + return false; + /* write the binary LSBs */ + if(r >= d) { + if(!FLAC__bitwriter_write_raw_uint32(bw, r+d, k+1)) + return false; + } + else { + if(!FLAC__bitwriter_write_raw_uint32(bw, r, k)) + return false; + } + } + return true; +} +#endif /* UNUSED */ + +FLAC__bool FLAC__bitwriter_write_utf8_uint32(FLAC__BitWriter *bw, FLAC__uint32 val) +{ + FLAC__bool ok = 1; + + FLAC__ASSERT(0 != bw); + FLAC__ASSERT(0 != bw->buffer); + + if((val & 0x80000000) != 0) /* this version only handles 31 bits */ + return false; + + if(val < 0x80) { + return FLAC__bitwriter_write_raw_uint32_nocheck(bw, val, 8); + } + else if(val < 0x800) { + ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0xC0 | (val>>6), 8); + ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (val&0x3F), 8); + } + else if(val < 0x10000) { + ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0xE0 | (val>>12), 8); + ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | ((val>>6)&0x3F), 8); + ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (val&0x3F), 8); + } + else if(val < 0x200000) { + ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0xF0 | (val>>18), 8); + ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | ((val>>12)&0x3F), 8); + ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | ((val>>6)&0x3F), 8); + ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (val&0x3F), 8); + } + else if(val < 0x4000000) { + ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0xF8 | (val>>24), 8); + ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | ((val>>18)&0x3F), 8); + ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | ((val>>12)&0x3F), 8); + ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | ((val>>6)&0x3F), 8); + ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (val&0x3F), 8); + } + else { + ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0xFC | (val>>30), 8); + ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | ((val>>24)&0x3F), 8); + ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | ((val>>18)&0x3F), 8); + ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | ((val>>12)&0x3F), 8); + ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | ((val>>6)&0x3F), 8); + ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (val&0x3F), 8); + } + + return ok; +} + +FLAC__bool FLAC__bitwriter_write_utf8_uint64(FLAC__BitWriter *bw, FLAC__uint64 val) +{ + FLAC__bool ok = 1; + + FLAC__ASSERT(0 != bw); + FLAC__ASSERT(0 != bw->buffer); + + if((val & FLAC__U64L(0xFFFFFFF000000000)) != 0) /* this version only handles 36 bits */ + return false; + + if(val < 0x80) { + return FLAC__bitwriter_write_raw_uint32_nocheck(bw, (FLAC__uint32)val, 8); + } + else if(val < 0x800) { + ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0xC0 | (FLAC__uint32)(val>>6), 8); + ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (FLAC__uint32)(val&0x3F), 8); + } + else if(val < 0x10000) { + ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0xE0 | (FLAC__uint32)(val>>12), 8); + ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (FLAC__uint32)((val>>6)&0x3F), 8); + ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (FLAC__uint32)(val&0x3F), 8); + } + else if(val < 0x200000) { + ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0xF0 | (FLAC__uint32)(val>>18), 8); + ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (FLAC__uint32)((val>>12)&0x3F), 8); + ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (FLAC__uint32)((val>>6)&0x3F), 8); + ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (FLAC__uint32)(val&0x3F), 8); + } + else if(val < 0x4000000) { + ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0xF8 | (FLAC__uint32)(val>>24), 8); + ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (FLAC__uint32)((val>>18)&0x3F), 8); + ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (FLAC__uint32)((val>>12)&0x3F), 8); + ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (FLAC__uint32)((val>>6)&0x3F), 8); + ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (FLAC__uint32)(val&0x3F), 8); + } + else if(val < 0x80000000) { + ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0xFC | (FLAC__uint32)(val>>30), 8); + ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (FLAC__uint32)((val>>24)&0x3F), 8); + ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (FLAC__uint32)((val>>18)&0x3F), 8); + ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (FLAC__uint32)((val>>12)&0x3F), 8); + ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (FLAC__uint32)((val>>6)&0x3F), 8); + ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (FLAC__uint32)(val&0x3F), 8); + } + else { + ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0xFE, 8); + ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (FLAC__uint32)((val>>30)&0x3F), 8); + ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (FLAC__uint32)((val>>24)&0x3F), 8); + ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (FLAC__uint32)((val>>18)&0x3F), 8); + ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (FLAC__uint32)((val>>12)&0x3F), 8); + ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (FLAC__uint32)((val>>6)&0x3F), 8); + ok &= FLAC__bitwriter_write_raw_uint32_nocheck(bw, 0x80 | (FLAC__uint32)(val&0x3F), 8); + } + + return ok; +} + +FLAC__bool FLAC__bitwriter_zero_pad_to_byte_boundary(FLAC__BitWriter *bw) +{ + /* 0-pad to byte boundary */ + if(bw->bits & 7u) + return FLAC__bitwriter_write_zeroes(bw, 8 - (bw->bits & 7u)); + else + return true; +} + +/* These functions are declared inline in this file but are also callable as + * externs from elsewhere. + * According to the C99 spec, section 6.7.4, simply providing a function + * prototype in a header file without 'inline' and making the function inline + * in this file should be sufficient. + * Unfortunately, the Microsoft VS compiler doesn't pick them up externally. To + * fix that we add extern declarations here. + */ +extern FLAC__bool FLAC__bitwriter_write_zeroes(FLAC__BitWriter *bw, uint32_t bits); +extern FLAC__bool FLAC__bitwriter_write_raw_uint32(FLAC__BitWriter *bw, FLAC__uint32 val, uint32_t bits); +extern FLAC__bool FLAC__bitwriter_write_raw_int32(FLAC__BitWriter *bw, FLAC__int32 val, uint32_t bits); +extern FLAC__bool FLAC__bitwriter_write_raw_uint64(FLAC__BitWriter *bw, FLAC__uint64 val, uint32_t bits); +extern FLAC__bool FLAC__bitwriter_write_raw_int64(FLAC__BitWriter *bw, FLAC__int64 val, uint32_t bits); +extern FLAC__bool FLAC__bitwriter_write_raw_uint32_little_endian(FLAC__BitWriter *bw, FLAC__uint32 val); +extern FLAC__bool FLAC__bitwriter_write_byte_block(FLAC__BitWriter *bw, const FLAC__byte vals[], uint32_t nvals); diff --git a/src/libFLAC/cpu.c b/src/libFLAC/cpu.c new file mode 100644 index 0000000..d088e3c --- /dev/null +++ b/src/libFLAC/cpu.c @@ -0,0 +1,255 @@ +/* libFLAC - Free Lossless Audio Codec library + * Copyright (C) 2001-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * - Neither the name of the Xiph.org Foundation nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include "private/cpu.h" +#include "share/compat.h" +#include <stdlib.h> +#include <string.h> + +#if defined _MSC_VER +#include <intrin.h> /* for __cpuid() and _xgetbv() */ +#elif defined __GNUC__ && defined HAVE_CPUID_H +#include <cpuid.h> /* for __get_cpuid() and __get_cpuid_max() */ +#endif + +#ifndef NDEBUG +#include <stdio.h> +#define dfprintf fprintf +#else +/* This is bad practice, it should be a static void empty function */ +#define dfprintf(file, format, ...) +#endif + +#if defined(HAVE_SYS_AUXV_H) +#include <sys/auxv.h> +#endif + +#if (defined FLAC__CPU_IA32 || defined FLAC__CPU_X86_64) && FLAC__HAS_X86INTRIN && !defined FLAC__NO_ASM + +/* these are flags in EDX of CPUID AX=00000001 */ +static const uint32_t FLAC__CPUINFO_X86_CPUID_CMOV = 0x00008000; +static const uint32_t FLAC__CPUINFO_X86_CPUID_MMX = 0x00800000; +static const uint32_t FLAC__CPUINFO_X86_CPUID_SSE = 0x02000000; +static const uint32_t FLAC__CPUINFO_X86_CPUID_SSE2 = 0x04000000; + +/* these are flags in ECX of CPUID AX=00000001 */ +static const uint32_t FLAC__CPUINFO_X86_CPUID_SSE3 = 0x00000001; +static const uint32_t FLAC__CPUINFO_X86_CPUID_SSSE3 = 0x00000200; +static const uint32_t FLAC__CPUINFO_X86_CPUID_SSE41 = 0x00080000; +static const uint32_t FLAC__CPUINFO_X86_CPUID_SSE42 = 0x00100000; +static const uint32_t FLAC__CPUINFO_X86_CPUID_OSXSAVE = 0x08000000; +static const uint32_t FLAC__CPUINFO_X86_CPUID_AVX = 0x10000000; +static const uint32_t FLAC__CPUINFO_X86_CPUID_FMA = 0x00001000; + +/* these are flags in EBX of CPUID AX=00000007 */ +static const uint32_t FLAC__CPUINFO_X86_CPUID_AVX2 = 0x00000020; +static const uint32_t FLAC__CPUINFO_X86_CPUID_BMI2 = 0x00000100; + +static uint32_t +cpu_xgetbv_x86(void) +{ +#if (defined _MSC_VER || defined __INTEL_COMPILER) && FLAC__AVX_SUPPORTED + return (uint32_t)_xgetbv(0); +#elif defined __GNUC__ + uint32_t lo, hi; + __asm__ volatile (".byte 0x0f, 0x01, 0xd0" : "=a"(lo), "=d"(hi) : "c" (0)); + return lo; +#else + return 0; +#endif +} + +static uint32_t +cpu_have_cpuid(void) +{ +#if defined FLAC__CPU_X86_64 || defined __i686__ || defined __SSE__ || (defined _M_IX86_FP && _M_IX86_FP > 0) + /* target CPU does have CPUID instruction */ + return 1; +#elif defined __GNUC__ && defined HAVE_CPUID_H + if (__get_cpuid_max(0, 0) != 0) + return 1; + else + return 0; +#elif defined _MSC_VER + FLAC__uint32 flags1, flags2; + __asm { + pushfd + pushfd + pop eax + mov flags1, eax + xor eax, 0x200000 + push eax + popfd + pushfd + pop eax + mov flags2, eax + popfd + } + if (((flags1^flags2) & 0x200000) != 0) + return 1; + else + return 0; +#else + return 0; +#endif +} + +static void +cpuinfo_x86(FLAC__uint32 level, FLAC__uint32 *eax, FLAC__uint32 *ebx, FLAC__uint32 *ecx, FLAC__uint32 *edx) +{ +#if defined _MSC_VER + int cpuinfo[4]; + int ext = level & 0x80000000; + __cpuid(cpuinfo, ext); + if ((uint32_t)cpuinfo[0] >= level) { +#if FLAC__AVX_SUPPORTED + __cpuidex(cpuinfo, level, 0); /* for AVX2 detection */ +#else + __cpuid(cpuinfo, level); /* some old compilers don't support __cpuidex */ +#endif + *eax = cpuinfo[0]; *ebx = cpuinfo[1]; *ecx = cpuinfo[2]; *edx = cpuinfo[3]; + return; + } +#elif defined __GNUC__ && defined HAVE_CPUID_H + FLAC__uint32 ext = level & 0x80000000; + __cpuid(ext, *eax, *ebx, *ecx, *edx); + if (*eax >= level) { + __cpuid_count(level, 0, *eax, *ebx, *ecx, *edx); + return; + } +#endif + *eax = *ebx = *ecx = *edx = 0; +} + +#endif + +static void +x86_cpu_info (FLAC__CPUInfo *info) +{ +#if (defined FLAC__CPU_IA32 || defined FLAC__CPU_X86_64) && FLAC__HAS_X86INTRIN && !defined FLAC__NO_ASM + FLAC__bool x86_osxsave = false; + FLAC__bool os_avx = false; + FLAC__uint32 flags_eax, flags_ebx, flags_ecx, flags_edx; + + info->use_asm = true; /* we assume a minimum of 80386 */ + if (!cpu_have_cpuid()) + return; + + cpuinfo_x86(0, &flags_eax, &flags_ebx, &flags_ecx, &flags_edx); + info->x86.intel = (flags_ebx == 0x756E6547 && flags_edx == 0x49656E69 && flags_ecx == 0x6C65746E) ? true : false; /* GenuineIntel */ + cpuinfo_x86(1, &flags_eax, &flags_ebx, &flags_ecx, &flags_edx); + + info->x86.cmov = (flags_edx & FLAC__CPUINFO_X86_CPUID_CMOV ) ? true : false; + info->x86.mmx = (flags_edx & FLAC__CPUINFO_X86_CPUID_MMX ) ? true : false; + info->x86.sse = (flags_edx & FLAC__CPUINFO_X86_CPUID_SSE ) ? true : false; + info->x86.sse2 = (flags_edx & FLAC__CPUINFO_X86_CPUID_SSE2 ) ? true : false; + info->x86.sse3 = (flags_ecx & FLAC__CPUINFO_X86_CPUID_SSE3 ) ? true : false; + info->x86.ssse3 = (flags_ecx & FLAC__CPUINFO_X86_CPUID_SSSE3) ? true : false; + info->x86.sse41 = (flags_ecx & FLAC__CPUINFO_X86_CPUID_SSE41) ? true : false; + info->x86.sse42 = (flags_ecx & FLAC__CPUINFO_X86_CPUID_SSE42) ? true : false; + + if (FLAC__AVX_SUPPORTED) { + x86_osxsave = (flags_ecx & FLAC__CPUINFO_X86_CPUID_OSXSAVE) ? true : false; + info->x86.avx = (flags_ecx & FLAC__CPUINFO_X86_CPUID_AVX ) ? true : false; + info->x86.fma = (flags_ecx & FLAC__CPUINFO_X86_CPUID_FMA ) ? true : false; + cpuinfo_x86(7, &flags_eax, &flags_ebx, &flags_ecx, &flags_edx); + info->x86.avx2 = (flags_ebx & FLAC__CPUINFO_X86_CPUID_AVX2 ) ? true : false; + info->x86.bmi2 = (flags_ebx & FLAC__CPUINFO_X86_CPUID_BMI2 ) ? true : false; + } + +#if defined FLAC__CPU_IA32 + dfprintf(stderr, "CPU info (IA-32):\n"); +#else + dfprintf(stderr, "CPU info (x86-64):\n"); +#endif + dfprintf(stderr, " CMOV ....... %c\n", info->x86.cmov ? 'Y' : 'n'); + dfprintf(stderr, " MMX ........ %c\n", info->x86.mmx ? 'Y' : 'n'); + dfprintf(stderr, " SSE ........ %c\n", info->x86.sse ? 'Y' : 'n'); + dfprintf(stderr, " SSE2 ....... %c\n", info->x86.sse2 ? 'Y' : 'n'); + dfprintf(stderr, " SSE3 ....... %c\n", info->x86.sse3 ? 'Y' : 'n'); + dfprintf(stderr, " SSSE3 ...... %c\n", info->x86.ssse3 ? 'Y' : 'n'); + dfprintf(stderr, " SSE41 ...... %c\n", info->x86.sse41 ? 'Y' : 'n'); + dfprintf(stderr, " SSE42 ...... %c\n", info->x86.sse42 ? 'Y' : 'n'); + + if (FLAC__AVX_SUPPORTED) { + dfprintf(stderr, " AVX ........ %c\n", info->x86.avx ? 'Y' : 'n'); + dfprintf(stderr, " FMA ........ %c\n", info->x86.fma ? 'Y' : 'n'); + dfprintf(stderr, " AVX2 ....... %c\n", info->x86.avx2 ? 'Y' : 'n'); + dfprintf(stderr, " BMI2 ....... %c\n", info->x86.bmi2 ? 'Y' : 'n'); + } + + /* + * now have to check for OS support of AVX instructions + */ + if (FLAC__AVX_SUPPORTED && info->x86.avx && x86_osxsave && (cpu_xgetbv_x86() & 0x6) == 0x6) { + os_avx = true; + } + if (os_avx) { + dfprintf(stderr, " AVX OS sup . %c\n", info->x86.avx ? 'Y' : 'n'); + } + if (!os_avx) { + /* no OS AVX support */ + info->x86.avx = false; + info->x86.avx2 = false; + info->x86.fma = false; + } +#else + info->use_asm = false; +#endif +} + +void FLAC__cpu_info (FLAC__CPUInfo *info) +{ + memset(info, 0, sizeof(*info)); + +#ifdef FLAC__CPU_IA32 + info->type = FLAC__CPUINFO_TYPE_IA32; +#elif defined FLAC__CPU_X86_64 + info->type = FLAC__CPUINFO_TYPE_X86_64; +#else + info->type = FLAC__CPUINFO_TYPE_UNKNOWN; +#endif + + switch (info->type) { + case FLAC__CPUINFO_TYPE_IA32: /* fallthrough */ + case FLAC__CPUINFO_TYPE_X86_64: + x86_cpu_info (info); + break; + default: + info->use_asm = false; + break; + } +} diff --git a/src/libFLAC/crc.c b/src/libFLAC/crc.c new file mode 100644 index 0000000..9e488e9 --- /dev/null +++ b/src/libFLAC/crc.c @@ -0,0 +1,436 @@ +/* libFLAC - Free Lossless Audio Codec library + * Copyright (C) 2000-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * - Neither the name of the Xiph.org Foundation nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include "private/crc.h" + +/* CRC-8, poly = x^8 + x^2 + x^1 + x^0, init = 0 */ + +FLAC__uint8 const FLAC__crc8_table[256] = { + 0x00, 0x07, 0x0E, 0x09, 0x1C, 0x1B, 0x12, 0x15, + 0x38, 0x3F, 0x36, 0x31, 0x24, 0x23, 0x2A, 0x2D, + 0x70, 0x77, 0x7E, 0x79, 0x6C, 0x6B, 0x62, 0x65, + 0x48, 0x4F, 0x46, 0x41, 0x54, 0x53, 0x5A, 0x5D, + 0xE0, 0xE7, 0xEE, 0xE9, 0xFC, 0xFB, 0xF2, 0xF5, + 0xD8, 0xDF, 0xD6, 0xD1, 0xC4, 0xC3, 0xCA, 0xCD, + 0x90, 0x97, 0x9E, 0x99, 0x8C, 0x8B, 0x82, 0x85, + 0xA8, 0xAF, 0xA6, 0xA1, 0xB4, 0xB3, 0xBA, 0xBD, + 0xC7, 0xC0, 0xC9, 0xCE, 0xDB, 0xDC, 0xD5, 0xD2, + 0xFF, 0xF8, 0xF1, 0xF6, 0xE3, 0xE4, 0xED, 0xEA, + 0xB7, 0xB0, 0xB9, 0xBE, 0xAB, 0xAC, 0xA5, 0xA2, + 0x8F, 0x88, 0x81, 0x86, 0x93, 0x94, 0x9D, 0x9A, + 0x27, 0x20, 0x29, 0x2E, 0x3B, 0x3C, 0x35, 0x32, + 0x1F, 0x18, 0x11, 0x16, 0x03, 0x04, 0x0D, 0x0A, + 0x57, 0x50, 0x59, 0x5E, 0x4B, 0x4C, 0x45, 0x42, + 0x6F, 0x68, 0x61, 0x66, 0x73, 0x74, 0x7D, 0x7A, + 0x89, 0x8E, 0x87, 0x80, 0x95, 0x92, 0x9B, 0x9C, + 0xB1, 0xB6, 0xBF, 0xB8, 0xAD, 0xAA, 0xA3, 0xA4, + 0xF9, 0xFE, 0xF7, 0xF0, 0xE5, 0xE2, 0xEB, 0xEC, + 0xC1, 0xC6, 0xCF, 0xC8, 0xDD, 0xDA, 0xD3, 0xD4, + 0x69, 0x6E, 0x67, 0x60, 0x75, 0x72, 0x7B, 0x7C, + 0x51, 0x56, 0x5F, 0x58, 0x4D, 0x4A, 0x43, 0x44, + 0x19, 0x1E, 0x17, 0x10, 0x05, 0x02, 0x0B, 0x0C, + 0x21, 0x26, 0x2F, 0x28, 0x3D, 0x3A, 0x33, 0x34, + 0x4E, 0x49, 0x40, 0x47, 0x52, 0x55, 0x5C, 0x5B, + 0x76, 0x71, 0x78, 0x7F, 0x6A, 0x6D, 0x64, 0x63, + 0x3E, 0x39, 0x30, 0x37, 0x22, 0x25, 0x2C, 0x2B, + 0x06, 0x01, 0x08, 0x0F, 0x1A, 0x1D, 0x14, 0x13, + 0xAE, 0xA9, 0xA0, 0xA7, 0xB2, 0xB5, 0xBC, 0xBB, + 0x96, 0x91, 0x98, 0x9F, 0x8A, 0x8D, 0x84, 0x83, + 0xDE, 0xD9, 0xD0, 0xD7, 0xC2, 0xC5, 0xCC, 0xCB, + 0xE6, 0xE1, 0xE8, 0xEF, 0xFA, 0xFD, 0xF4, 0xF3 +}; + +/* CRC-16, poly = x^16 + x^15 + x^2 + x^0, init = 0 */ + +FLAC__uint16 const FLAC__crc16_table[8][256] = { + { 0x0000, 0x8005, 0x800f, 0x000a, 0x801b, 0x001e, 0x0014, 0x8011, + 0x8033, 0x0036, 0x003c, 0x8039, 0x0028, 0x802d, 0x8027, 0x0022, + 0x8063, 0x0066, 0x006c, 0x8069, 0x0078, 0x807d, 0x8077, 0x0072, + 0x0050, 0x8055, 0x805f, 0x005a, 0x804b, 0x004e, 0x0044, 0x8041, + 0x80c3, 0x00c6, 0x00cc, 0x80c9, 0x00d8, 0x80dd, 0x80d7, 0x00d2, + 0x00f0, 0x80f5, 0x80ff, 0x00fa, 0x80eb, 0x00ee, 0x00e4, 0x80e1, + 0x00a0, 0x80a5, 0x80af, 0x00aa, 0x80bb, 0x00be, 0x00b4, 0x80b1, + 0x8093, 0x0096, 0x009c, 0x8099, 0x0088, 0x808d, 0x8087, 0x0082, + 0x8183, 0x0186, 0x018c, 0x8189, 0x0198, 0x819d, 0x8197, 0x0192, + 0x01b0, 0x81b5, 0x81bf, 0x01ba, 0x81ab, 0x01ae, 0x01a4, 0x81a1, + 0x01e0, 0x81e5, 0x81ef, 0x01ea, 0x81fb, 0x01fe, 0x01f4, 0x81f1, + 0x81d3, 0x01d6, 0x01dc, 0x81d9, 0x01c8, 0x81cd, 0x81c7, 0x01c2, + 0x0140, 0x8145, 0x814f, 0x014a, 0x815b, 0x015e, 0x0154, 0x8151, + 0x8173, 0x0176, 0x017c, 0x8179, 0x0168, 0x816d, 0x8167, 0x0162, + 0x8123, 0x0126, 0x012c, 0x8129, 0x0138, 0x813d, 0x8137, 0x0132, + 0x0110, 0x8115, 0x811f, 0x011a, 0x810b, 0x010e, 0x0104, 0x8101, + 0x8303, 0x0306, 0x030c, 0x8309, 0x0318, 0x831d, 0x8317, 0x0312, + 0x0330, 0x8335, 0x833f, 0x033a, 0x832b, 0x032e, 0x0324, 0x8321, + 0x0360, 0x8365, 0x836f, 0x036a, 0x837b, 0x037e, 0x0374, 0x8371, + 0x8353, 0x0356, 0x035c, 0x8359, 0x0348, 0x834d, 0x8347, 0x0342, + 0x03c0, 0x83c5, 0x83cf, 0x03ca, 0x83db, 0x03de, 0x03d4, 0x83d1, + 0x83f3, 0x03f6, 0x03fc, 0x83f9, 0x03e8, 0x83ed, 0x83e7, 0x03e2, + 0x83a3, 0x03a6, 0x03ac, 0x83a9, 0x03b8, 0x83bd, 0x83b7, 0x03b2, + 0x0390, 0x8395, 0x839f, 0x039a, 0x838b, 0x038e, 0x0384, 0x8381, + 0x0280, 0x8285, 0x828f, 0x028a, 0x829b, 0x029e, 0x0294, 0x8291, + 0x82b3, 0x02b6, 0x02bc, 0x82b9, 0x02a8, 0x82ad, 0x82a7, 0x02a2, + 0x82e3, 0x02e6, 0x02ec, 0x82e9, 0x02f8, 0x82fd, 0x82f7, 0x02f2, + 0x02d0, 0x82d5, 0x82df, 0x02da, 0x82cb, 0x02ce, 0x02c4, 0x82c1, + 0x8243, 0x0246, 0x024c, 0x8249, 0x0258, 0x825d, 0x8257, 0x0252, + 0x0270, 0x8275, 0x827f, 0x027a, 0x826b, 0x026e, 0x0264, 0x8261, + 0x0220, 0x8225, 0x822f, 0x022a, 0x823b, 0x023e, 0x0234, 0x8231, + 0x8213, 0x0216, 0x021c, 0x8219, 0x0208, 0x820d, 0x8207, 0x0202 }, + + { 0x0000, 0x8603, 0x8c03, 0x0a00, 0x9803, 0x1e00, 0x1400, 0x9203, + 0xb003, 0x3600, 0x3c00, 0xba03, 0x2800, 0xae03, 0xa403, 0x2200, + 0xe003, 0x6600, 0x6c00, 0xea03, 0x7800, 0xfe03, 0xf403, 0x7200, + 0x5000, 0xd603, 0xdc03, 0x5a00, 0xc803, 0x4e00, 0x4400, 0xc203, + 0x4003, 0xc600, 0xcc00, 0x4a03, 0xd800, 0x5e03, 0x5403, 0xd200, + 0xf000, 0x7603, 0x7c03, 0xfa00, 0x6803, 0xee00, 0xe400, 0x6203, + 0xa000, 0x2603, 0x2c03, 0xaa00, 0x3803, 0xbe00, 0xb400, 0x3203, + 0x1003, 0x9600, 0x9c00, 0x1a03, 0x8800, 0x0e03, 0x0403, 0x8200, + 0x8006, 0x0605, 0x0c05, 0x8a06, 0x1805, 0x9e06, 0x9406, 0x1205, + 0x3005, 0xb606, 0xbc06, 0x3a05, 0xa806, 0x2e05, 0x2405, 0xa206, + 0x6005, 0xe606, 0xec06, 0x6a05, 0xf806, 0x7e05, 0x7405, 0xf206, + 0xd006, 0x5605, 0x5c05, 0xda06, 0x4805, 0xce06, 0xc406, 0x4205, + 0xc005, 0x4606, 0x4c06, 0xca05, 0x5806, 0xde05, 0xd405, 0x5206, + 0x7006, 0xf605, 0xfc05, 0x7a06, 0xe805, 0x6e06, 0x6406, 0xe205, + 0x2006, 0xa605, 0xac05, 0x2a06, 0xb805, 0x3e06, 0x3406, 0xb205, + 0x9005, 0x1606, 0x1c06, 0x9a05, 0x0806, 0x8e05, 0x8405, 0x0206, + 0x8009, 0x060a, 0x0c0a, 0x8a09, 0x180a, 0x9e09, 0x9409, 0x120a, + 0x300a, 0xb609, 0xbc09, 0x3a0a, 0xa809, 0x2e0a, 0x240a, 0xa209, + 0x600a, 0xe609, 0xec09, 0x6a0a, 0xf809, 0x7e0a, 0x740a, 0xf209, + 0xd009, 0x560a, 0x5c0a, 0xda09, 0x480a, 0xce09, 0xc409, 0x420a, + 0xc00a, 0x4609, 0x4c09, 0xca0a, 0x5809, 0xde0a, 0xd40a, 0x5209, + 0x7009, 0xf60a, 0xfc0a, 0x7a09, 0xe80a, 0x6e09, 0x6409, 0xe20a, + 0x2009, 0xa60a, 0xac0a, 0x2a09, 0xb80a, 0x3e09, 0x3409, 0xb20a, + 0x900a, 0x1609, 0x1c09, 0x9a0a, 0x0809, 0x8e0a, 0x840a, 0x0209, + 0x000f, 0x860c, 0x8c0c, 0x0a0f, 0x980c, 0x1e0f, 0x140f, 0x920c, + 0xb00c, 0x360f, 0x3c0f, 0xba0c, 0x280f, 0xae0c, 0xa40c, 0x220f, + 0xe00c, 0x660f, 0x6c0f, 0xea0c, 0x780f, 0xfe0c, 0xf40c, 0x720f, + 0x500f, 0xd60c, 0xdc0c, 0x5a0f, 0xc80c, 0x4e0f, 0x440f, 0xc20c, + 0x400c, 0xc60f, 0xcc0f, 0x4a0c, 0xd80f, 0x5e0c, 0x540c, 0xd20f, + 0xf00f, 0x760c, 0x7c0c, 0xfa0f, 0x680c, 0xee0f, 0xe40f, 0x620c, + 0xa00f, 0x260c, 0x2c0c, 0xaa0f, 0x380c, 0xbe0f, 0xb40f, 0x320c, + 0x100c, 0x960f, 0x9c0f, 0x1a0c, 0x880f, 0x0e0c, 0x040c, 0x820f }, + + { 0x0000, 0x8017, 0x802b, 0x003c, 0x8053, 0x0044, 0x0078, 0x806f, + 0x80a3, 0x00b4, 0x0088, 0x809f, 0x00f0, 0x80e7, 0x80db, 0x00cc, + 0x8143, 0x0154, 0x0168, 0x817f, 0x0110, 0x8107, 0x813b, 0x012c, + 0x01e0, 0x81f7, 0x81cb, 0x01dc, 0x81b3, 0x01a4, 0x0198, 0x818f, + 0x8283, 0x0294, 0x02a8, 0x82bf, 0x02d0, 0x82c7, 0x82fb, 0x02ec, + 0x0220, 0x8237, 0x820b, 0x021c, 0x8273, 0x0264, 0x0258, 0x824f, + 0x03c0, 0x83d7, 0x83eb, 0x03fc, 0x8393, 0x0384, 0x03b8, 0x83af, + 0x8363, 0x0374, 0x0348, 0x835f, 0x0330, 0x8327, 0x831b, 0x030c, + 0x8503, 0x0514, 0x0528, 0x853f, 0x0550, 0x8547, 0x857b, 0x056c, + 0x05a0, 0x85b7, 0x858b, 0x059c, 0x85f3, 0x05e4, 0x05d8, 0x85cf, + 0x0440, 0x8457, 0x846b, 0x047c, 0x8413, 0x0404, 0x0438, 0x842f, + 0x84e3, 0x04f4, 0x04c8, 0x84df, 0x04b0, 0x84a7, 0x849b, 0x048c, + 0x0780, 0x8797, 0x87ab, 0x07bc, 0x87d3, 0x07c4, 0x07f8, 0x87ef, + 0x8723, 0x0734, 0x0708, 0x871f, 0x0770, 0x8767, 0x875b, 0x074c, + 0x86c3, 0x06d4, 0x06e8, 0x86ff, 0x0690, 0x8687, 0x86bb, 0x06ac, + 0x0660, 0x8677, 0x864b, 0x065c, 0x8633, 0x0624, 0x0618, 0x860f, + 0x8a03, 0x0a14, 0x0a28, 0x8a3f, 0x0a50, 0x8a47, 0x8a7b, 0x0a6c, + 0x0aa0, 0x8ab7, 0x8a8b, 0x0a9c, 0x8af3, 0x0ae4, 0x0ad8, 0x8acf, + 0x0b40, 0x8b57, 0x8b6b, 0x0b7c, 0x8b13, 0x0b04, 0x0b38, 0x8b2f, + 0x8be3, 0x0bf4, 0x0bc8, 0x8bdf, 0x0bb0, 0x8ba7, 0x8b9b, 0x0b8c, + 0x0880, 0x8897, 0x88ab, 0x08bc, 0x88d3, 0x08c4, 0x08f8, 0x88ef, + 0x8823, 0x0834, 0x0808, 0x881f, 0x0870, 0x8867, 0x885b, 0x084c, + 0x89c3, 0x09d4, 0x09e8, 0x89ff, 0x0990, 0x8987, 0x89bb, 0x09ac, + 0x0960, 0x8977, 0x894b, 0x095c, 0x8933, 0x0924, 0x0918, 0x890f, + 0x0f00, 0x8f17, 0x8f2b, 0x0f3c, 0x8f53, 0x0f44, 0x0f78, 0x8f6f, + 0x8fa3, 0x0fb4, 0x0f88, 0x8f9f, 0x0ff0, 0x8fe7, 0x8fdb, 0x0fcc, + 0x8e43, 0x0e54, 0x0e68, 0x8e7f, 0x0e10, 0x8e07, 0x8e3b, 0x0e2c, + 0x0ee0, 0x8ef7, 0x8ecb, 0x0edc, 0x8eb3, 0x0ea4, 0x0e98, 0x8e8f, + 0x8d83, 0x0d94, 0x0da8, 0x8dbf, 0x0dd0, 0x8dc7, 0x8dfb, 0x0dec, + 0x0d20, 0x8d37, 0x8d0b, 0x0d1c, 0x8d73, 0x0d64, 0x0d58, 0x8d4f, + 0x0cc0, 0x8cd7, 0x8ceb, 0x0cfc, 0x8c93, 0x0c84, 0x0cb8, 0x8caf, + 0x8c63, 0x0c74, 0x0c48, 0x8c5f, 0x0c30, 0x8c27, 0x8c1b, 0x0c0c }, + + { 0x0000, 0x9403, 0xa803, 0x3c00, 0xd003, 0x4400, 0x7800, 0xec03, + 0x2003, 0xb400, 0x8800, 0x1c03, 0xf000, 0x6403, 0x5803, 0xcc00, + 0x4006, 0xd405, 0xe805, 0x7c06, 0x9005, 0x0406, 0x3806, 0xac05, + 0x6005, 0xf406, 0xc806, 0x5c05, 0xb006, 0x2405, 0x1805, 0x8c06, + 0x800c, 0x140f, 0x280f, 0xbc0c, 0x500f, 0xc40c, 0xf80c, 0x6c0f, + 0xa00f, 0x340c, 0x080c, 0x9c0f, 0x700c, 0xe40f, 0xd80f, 0x4c0c, + 0xc00a, 0x5409, 0x6809, 0xfc0a, 0x1009, 0x840a, 0xb80a, 0x2c09, + 0xe009, 0x740a, 0x480a, 0xdc09, 0x300a, 0xa409, 0x9809, 0x0c0a, + 0x801d, 0x141e, 0x281e, 0xbc1d, 0x501e, 0xc41d, 0xf81d, 0x6c1e, + 0xa01e, 0x341d, 0x081d, 0x9c1e, 0x701d, 0xe41e, 0xd81e, 0x4c1d, + 0xc01b, 0x5418, 0x6818, 0xfc1b, 0x1018, 0x841b, 0xb81b, 0x2c18, + 0xe018, 0x741b, 0x481b, 0xdc18, 0x301b, 0xa418, 0x9818, 0x0c1b, + 0x0011, 0x9412, 0xa812, 0x3c11, 0xd012, 0x4411, 0x7811, 0xec12, + 0x2012, 0xb411, 0x8811, 0x1c12, 0xf011, 0x6412, 0x5812, 0xcc11, + 0x4017, 0xd414, 0xe814, 0x7c17, 0x9014, 0x0417, 0x3817, 0xac14, + 0x6014, 0xf417, 0xc817, 0x5c14, 0xb017, 0x2414, 0x1814, 0x8c17, + 0x803f, 0x143c, 0x283c, 0xbc3f, 0x503c, 0xc43f, 0xf83f, 0x6c3c, + 0xa03c, 0x343f, 0x083f, 0x9c3c, 0x703f, 0xe43c, 0xd83c, 0x4c3f, + 0xc039, 0x543a, 0x683a, 0xfc39, 0x103a, 0x8439, 0xb839, 0x2c3a, + 0xe03a, 0x7439, 0x4839, 0xdc3a, 0x3039, 0xa43a, 0x983a, 0x0c39, + 0x0033, 0x9430, 0xa830, 0x3c33, 0xd030, 0x4433, 0x7833, 0xec30, + 0x2030, 0xb433, 0x8833, 0x1c30, 0xf033, 0x6430, 0x5830, 0xcc33, + 0x4035, 0xd436, 0xe836, 0x7c35, 0x9036, 0x0435, 0x3835, 0xac36, + 0x6036, 0xf435, 0xc835, 0x5c36, 0xb035, 0x2436, 0x1836, 0x8c35, + 0x0022, 0x9421, 0xa821, 0x3c22, 0xd021, 0x4422, 0x7822, 0xec21, + 0x2021, 0xb422, 0x8822, 0x1c21, 0xf022, 0x6421, 0x5821, 0xcc22, + 0x4024, 0xd427, 0xe827, 0x7c24, 0x9027, 0x0424, 0x3824, 0xac27, + 0x6027, 0xf424, 0xc824, 0x5c27, 0xb024, 0x2427, 0x1827, 0x8c24, + 0x802e, 0x142d, 0x282d, 0xbc2e, 0x502d, 0xc42e, 0xf82e, 0x6c2d, + 0xa02d, 0x342e, 0x082e, 0x9c2d, 0x702e, 0xe42d, 0xd82d, 0x4c2e, + 0xc028, 0x542b, 0x682b, 0xfc28, 0x102b, 0x8428, 0xb828, 0x2c2b, + 0xe02b, 0x7428, 0x4828, 0xdc2b, 0x3028, 0xa42b, 0x982b, 0x0c28 }, + + { 0x0000, 0x807b, 0x80f3, 0x0088, 0x81e3, 0x0198, 0x0110, 0x816b, + 0x83c3, 0x03b8, 0x0330, 0x834b, 0x0220, 0x825b, 0x82d3, 0x02a8, + 0x8783, 0x07f8, 0x0770, 0x870b, 0x0660, 0x861b, 0x8693, 0x06e8, + 0x0440, 0x843b, 0x84b3, 0x04c8, 0x85a3, 0x05d8, 0x0550, 0x852b, + 0x8f03, 0x0f78, 0x0ff0, 0x8f8b, 0x0ee0, 0x8e9b, 0x8e13, 0x0e68, + 0x0cc0, 0x8cbb, 0x8c33, 0x0c48, 0x8d23, 0x0d58, 0x0dd0, 0x8dab, + 0x0880, 0x88fb, 0x8873, 0x0808, 0x8963, 0x0918, 0x0990, 0x89eb, + 0x8b43, 0x0b38, 0x0bb0, 0x8bcb, 0x0aa0, 0x8adb, 0x8a53, 0x0a28, + 0x9e03, 0x1e78, 0x1ef0, 0x9e8b, 0x1fe0, 0x9f9b, 0x9f13, 0x1f68, + 0x1dc0, 0x9dbb, 0x9d33, 0x1d48, 0x9c23, 0x1c58, 0x1cd0, 0x9cab, + 0x1980, 0x99fb, 0x9973, 0x1908, 0x9863, 0x1818, 0x1890, 0x98eb, + 0x9a43, 0x1a38, 0x1ab0, 0x9acb, 0x1ba0, 0x9bdb, 0x9b53, 0x1b28, + 0x1100, 0x917b, 0x91f3, 0x1188, 0x90e3, 0x1098, 0x1010, 0x906b, + 0x92c3, 0x12b8, 0x1230, 0x924b, 0x1320, 0x935b, 0x93d3, 0x13a8, + 0x9683, 0x16f8, 0x1670, 0x960b, 0x1760, 0x971b, 0x9793, 0x17e8, + 0x1540, 0x953b, 0x95b3, 0x15c8, 0x94a3, 0x14d8, 0x1450, 0x942b, + 0xbc03, 0x3c78, 0x3cf0, 0xbc8b, 0x3de0, 0xbd9b, 0xbd13, 0x3d68, + 0x3fc0, 0xbfbb, 0xbf33, 0x3f48, 0xbe23, 0x3e58, 0x3ed0, 0xbeab, + 0x3b80, 0xbbfb, 0xbb73, 0x3b08, 0xba63, 0x3a18, 0x3a90, 0xbaeb, + 0xb843, 0x3838, 0x38b0, 0xb8cb, 0x39a0, 0xb9db, 0xb953, 0x3928, + 0x3300, 0xb37b, 0xb3f3, 0x3388, 0xb2e3, 0x3298, 0x3210, 0xb26b, + 0xb0c3, 0x30b8, 0x3030, 0xb04b, 0x3120, 0xb15b, 0xb1d3, 0x31a8, + 0xb483, 0x34f8, 0x3470, 0xb40b, 0x3560, 0xb51b, 0xb593, 0x35e8, + 0x3740, 0xb73b, 0xb7b3, 0x37c8, 0xb6a3, 0x36d8, 0x3650, 0xb62b, + 0x2200, 0xa27b, 0xa2f3, 0x2288, 0xa3e3, 0x2398, 0x2310, 0xa36b, + 0xa1c3, 0x21b8, 0x2130, 0xa14b, 0x2020, 0xa05b, 0xa0d3, 0x20a8, + 0xa583, 0x25f8, 0x2570, 0xa50b, 0x2460, 0xa41b, 0xa493, 0x24e8, + 0x2640, 0xa63b, 0xa6b3, 0x26c8, 0xa7a3, 0x27d8, 0x2750, 0xa72b, + 0xad03, 0x2d78, 0x2df0, 0xad8b, 0x2ce0, 0xac9b, 0xac13, 0x2c68, + 0x2ec0, 0xaebb, 0xae33, 0x2e48, 0xaf23, 0x2f58, 0x2fd0, 0xafab, + 0x2a80, 0xaafb, 0xaa73, 0x2a08, 0xab63, 0x2b18, 0x2b90, 0xabeb, + 0xa943, 0x2938, 0x29b0, 0xa9cb, 0x28a0, 0xa8db, 0xa853, 0x2828 }, + + { 0x0000, 0xf803, 0x7003, 0x8800, 0xe006, 0x1805, 0x9005, 0x6806, + 0x4009, 0xb80a, 0x300a, 0xc809, 0xa00f, 0x580c, 0xd00c, 0x280f, + 0x8012, 0x7811, 0xf011, 0x0812, 0x6014, 0x9817, 0x1017, 0xe814, + 0xc01b, 0x3818, 0xb018, 0x481b, 0x201d, 0xd81e, 0x501e, 0xa81d, + 0x8021, 0x7822, 0xf022, 0x0821, 0x6027, 0x9824, 0x1024, 0xe827, + 0xc028, 0x382b, 0xb02b, 0x4828, 0x202e, 0xd82d, 0x502d, 0xa82e, + 0x0033, 0xf830, 0x7030, 0x8833, 0xe035, 0x1836, 0x9036, 0x6835, + 0x403a, 0xb839, 0x3039, 0xc83a, 0xa03c, 0x583f, 0xd03f, 0x283c, + 0x8047, 0x7844, 0xf044, 0x0847, 0x6041, 0x9842, 0x1042, 0xe841, + 0xc04e, 0x384d, 0xb04d, 0x484e, 0x2048, 0xd84b, 0x504b, 0xa848, + 0x0055, 0xf856, 0x7056, 0x8855, 0xe053, 0x1850, 0x9050, 0x6853, + 0x405c, 0xb85f, 0x305f, 0xc85c, 0xa05a, 0x5859, 0xd059, 0x285a, + 0x0066, 0xf865, 0x7065, 0x8866, 0xe060, 0x1863, 0x9063, 0x6860, + 0x406f, 0xb86c, 0x306c, 0xc86f, 0xa069, 0x586a, 0xd06a, 0x2869, + 0x8074, 0x7877, 0xf077, 0x0874, 0x6072, 0x9871, 0x1071, 0xe872, + 0xc07d, 0x387e, 0xb07e, 0x487d, 0x207b, 0xd878, 0x5078, 0xa87b, + 0x808b, 0x7888, 0xf088, 0x088b, 0x608d, 0x988e, 0x108e, 0xe88d, + 0xc082, 0x3881, 0xb081, 0x4882, 0x2084, 0xd887, 0x5087, 0xa884, + 0x0099, 0xf89a, 0x709a, 0x8899, 0xe09f, 0x189c, 0x909c, 0x689f, + 0x4090, 0xb893, 0x3093, 0xc890, 0xa096, 0x5895, 0xd095, 0x2896, + 0x00aa, 0xf8a9, 0x70a9, 0x88aa, 0xe0ac, 0x18af, 0x90af, 0x68ac, + 0x40a3, 0xb8a0, 0x30a0, 0xc8a3, 0xa0a5, 0x58a6, 0xd0a6, 0x28a5, + 0x80b8, 0x78bb, 0xf0bb, 0x08b8, 0x60be, 0x98bd, 0x10bd, 0xe8be, + 0xc0b1, 0x38b2, 0xb0b2, 0x48b1, 0x20b7, 0xd8b4, 0x50b4, 0xa8b7, + 0x00cc, 0xf8cf, 0x70cf, 0x88cc, 0xe0ca, 0x18c9, 0x90c9, 0x68ca, + 0x40c5, 0xb8c6, 0x30c6, 0xc8c5, 0xa0c3, 0x58c0, 0xd0c0, 0x28c3, + 0x80de, 0x78dd, 0xf0dd, 0x08de, 0x60d8, 0x98db, 0x10db, 0xe8d8, + 0xc0d7, 0x38d4, 0xb0d4, 0x48d7, 0x20d1, 0xd8d2, 0x50d2, 0xa8d1, + 0x80ed, 0x78ee, 0xf0ee, 0x08ed, 0x60eb, 0x98e8, 0x10e8, 0xe8eb, + 0xc0e4, 0x38e7, 0xb0e7, 0x48e4, 0x20e2, 0xd8e1, 0x50e1, 0xa8e2, + 0x00ff, 0xf8fc, 0x70fc, 0x88ff, 0xe0f9, 0x18fa, 0x90fa, 0x68f9, + 0x40f6, 0xb8f5, 0x30f5, 0xc8f6, 0xa0f0, 0x58f3, 0xd0f3, 0x28f0 }, + + { 0x0000, 0x8113, 0x8223, 0x0330, 0x8443, 0x0550, 0x0660, 0x8773, + 0x8883, 0x0990, 0x0aa0, 0x8bb3, 0x0cc0, 0x8dd3, 0x8ee3, 0x0ff0, + 0x9103, 0x1010, 0x1320, 0x9233, 0x1540, 0x9453, 0x9763, 0x1670, + 0x1980, 0x9893, 0x9ba3, 0x1ab0, 0x9dc3, 0x1cd0, 0x1fe0, 0x9ef3, + 0xa203, 0x2310, 0x2020, 0xa133, 0x2640, 0xa753, 0xa463, 0x2570, + 0x2a80, 0xab93, 0xa8a3, 0x29b0, 0xaec3, 0x2fd0, 0x2ce0, 0xadf3, + 0x3300, 0xb213, 0xb123, 0x3030, 0xb743, 0x3650, 0x3560, 0xb473, + 0xbb83, 0x3a90, 0x39a0, 0xb8b3, 0x3fc0, 0xbed3, 0xbde3, 0x3cf0, + 0xc403, 0x4510, 0x4620, 0xc733, 0x4040, 0xc153, 0xc263, 0x4370, + 0x4c80, 0xcd93, 0xcea3, 0x4fb0, 0xc8c3, 0x49d0, 0x4ae0, 0xcbf3, + 0x5500, 0xd413, 0xd723, 0x5630, 0xd143, 0x5050, 0x5360, 0xd273, + 0xdd83, 0x5c90, 0x5fa0, 0xdeb3, 0x59c0, 0xd8d3, 0xdbe3, 0x5af0, + 0x6600, 0xe713, 0xe423, 0x6530, 0xe243, 0x6350, 0x6060, 0xe173, + 0xee83, 0x6f90, 0x6ca0, 0xedb3, 0x6ac0, 0xebd3, 0xe8e3, 0x69f0, + 0xf703, 0x7610, 0x7520, 0xf433, 0x7340, 0xf253, 0xf163, 0x7070, + 0x7f80, 0xfe93, 0xfda3, 0x7cb0, 0xfbc3, 0x7ad0, 0x79e0, 0xf8f3, + 0x0803, 0x8910, 0x8a20, 0x0b33, 0x8c40, 0x0d53, 0x0e63, 0x8f70, + 0x8080, 0x0193, 0x02a3, 0x83b0, 0x04c3, 0x85d0, 0x86e0, 0x07f3, + 0x9900, 0x1813, 0x1b23, 0x9a30, 0x1d43, 0x9c50, 0x9f60, 0x1e73, + 0x1183, 0x9090, 0x93a0, 0x12b3, 0x95c0, 0x14d3, 0x17e3, 0x96f0, + 0xaa00, 0x2b13, 0x2823, 0xa930, 0x2e43, 0xaf50, 0xac60, 0x2d73, + 0x2283, 0xa390, 0xa0a0, 0x21b3, 0xa6c0, 0x27d3, 0x24e3, 0xa5f0, + 0x3b03, 0xba10, 0xb920, 0x3833, 0xbf40, 0x3e53, 0x3d63, 0xbc70, + 0xb380, 0x3293, 0x31a3, 0xb0b0, 0x37c3, 0xb6d0, 0xb5e0, 0x34f3, + 0xcc00, 0x4d13, 0x4e23, 0xcf30, 0x4843, 0xc950, 0xca60, 0x4b73, + 0x4483, 0xc590, 0xc6a0, 0x47b3, 0xc0c0, 0x41d3, 0x42e3, 0xc3f0, + 0x5d03, 0xdc10, 0xdf20, 0x5e33, 0xd940, 0x5853, 0x5b63, 0xda70, + 0xd580, 0x5493, 0x57a3, 0xd6b0, 0x51c3, 0xd0d0, 0xd3e0, 0x52f3, + 0x6e03, 0xef10, 0xec20, 0x6d33, 0xea40, 0x6b53, 0x6863, 0xe970, + 0xe680, 0x6793, 0x64a3, 0xe5b0, 0x62c3, 0xe3d0, 0xe0e0, 0x61f3, + 0xff00, 0x7e13, 0x7d23, 0xfc30, 0x7b43, 0xfa50, 0xf960, 0x7873, + 0x7783, 0xf690, 0xf5a0, 0x74b3, 0xf3c0, 0x72d3, 0x71e3, 0xf0f0 }, + + { 0x0000, 0x1006, 0x200c, 0x300a, 0x4018, 0x501e, 0x6014, 0x7012, + 0x8030, 0x9036, 0xa03c, 0xb03a, 0xc028, 0xd02e, 0xe024, 0xf022, + 0x8065, 0x9063, 0xa069, 0xb06f, 0xc07d, 0xd07b, 0xe071, 0xf077, + 0x0055, 0x1053, 0x2059, 0x305f, 0x404d, 0x504b, 0x6041, 0x7047, + 0x80cf, 0x90c9, 0xa0c3, 0xb0c5, 0xc0d7, 0xd0d1, 0xe0db, 0xf0dd, + 0x00ff, 0x10f9, 0x20f3, 0x30f5, 0x40e7, 0x50e1, 0x60eb, 0x70ed, + 0x00aa, 0x10ac, 0x20a6, 0x30a0, 0x40b2, 0x50b4, 0x60be, 0x70b8, + 0x809a, 0x909c, 0xa096, 0xb090, 0xc082, 0xd084, 0xe08e, 0xf088, + 0x819b, 0x919d, 0xa197, 0xb191, 0xc183, 0xd185, 0xe18f, 0xf189, + 0x01ab, 0x11ad, 0x21a7, 0x31a1, 0x41b3, 0x51b5, 0x61bf, 0x71b9, + 0x01fe, 0x11f8, 0x21f2, 0x31f4, 0x41e6, 0x51e0, 0x61ea, 0x71ec, + 0x81ce, 0x91c8, 0xa1c2, 0xb1c4, 0xc1d6, 0xd1d0, 0xe1da, 0xf1dc, + 0x0154, 0x1152, 0x2158, 0x315e, 0x414c, 0x514a, 0x6140, 0x7146, + 0x8164, 0x9162, 0xa168, 0xb16e, 0xc17c, 0xd17a, 0xe170, 0xf176, + 0x8131, 0x9137, 0xa13d, 0xb13b, 0xc129, 0xd12f, 0xe125, 0xf123, + 0x0101, 0x1107, 0x210d, 0x310b, 0x4119, 0x511f, 0x6115, 0x7113, + 0x8333, 0x9335, 0xa33f, 0xb339, 0xc32b, 0xd32d, 0xe327, 0xf321, + 0x0303, 0x1305, 0x230f, 0x3309, 0x431b, 0x531d, 0x6317, 0x7311, + 0x0356, 0x1350, 0x235a, 0x335c, 0x434e, 0x5348, 0x6342, 0x7344, + 0x8366, 0x9360, 0xa36a, 0xb36c, 0xc37e, 0xd378, 0xe372, 0xf374, + 0x03fc, 0x13fa, 0x23f0, 0x33f6, 0x43e4, 0x53e2, 0x63e8, 0x73ee, + 0x83cc, 0x93ca, 0xa3c0, 0xb3c6, 0xc3d4, 0xd3d2, 0xe3d8, 0xf3de, + 0x8399, 0x939f, 0xa395, 0xb393, 0xc381, 0xd387, 0xe38d, 0xf38b, + 0x03a9, 0x13af, 0x23a5, 0x33a3, 0x43b1, 0x53b7, 0x63bd, 0x73bb, + 0x02a8, 0x12ae, 0x22a4, 0x32a2, 0x42b0, 0x52b6, 0x62bc, 0x72ba, + 0x8298, 0x929e, 0xa294, 0xb292, 0xc280, 0xd286, 0xe28c, 0xf28a, + 0x82cd, 0x92cb, 0xa2c1, 0xb2c7, 0xc2d5, 0xd2d3, 0xe2d9, 0xf2df, + 0x02fd, 0x12fb, 0x22f1, 0x32f7, 0x42e5, 0x52e3, 0x62e9, 0x72ef, + 0x8267, 0x9261, 0xa26b, 0xb26d, 0xc27f, 0xd279, 0xe273, 0xf275, + 0x0257, 0x1251, 0x225b, 0x325d, 0x424f, 0x5249, 0x6243, 0x7245, + 0x0202, 0x1204, 0x220e, 0x3208, 0x421a, 0x521c, 0x6216, 0x7210, + 0x8232, 0x9234, 0xa23e, 0xb238, 0xc22a, 0xd22c, 0xe226, 0xf220 } +}; + +#if 0 +void FLAC__crc16_init_table(void) +{ + int i, j; + FLAC__uint16 polynomial, crc; + polynomial = 0x8005; + + for(i = 0; i <= 0xFF; i++){ + crc = i << 8; + + for(j = 0; j < 8; j++) + crc = (crc << 1) ^ (crc & (1 << 15) ? polynomial : 0); + + FLAC__crc16_table[0][i] = crc; + } + + for(i = 0; i <= 0xFF; i++) + for(j = 1; j < 8; j++) + FLAC__crc16_table[j][i] = FLAC__crc16_table[0][FLAC__crc16_table[j - 1][i] >> 8] ^ (FLAC__crc16_table[j - 1][i] << 8); +} +#endif + +FLAC__uint8 FLAC__crc8(const FLAC__byte *data, uint32_t len) +{ + FLAC__uint8 crc = 0; + + while(len--) + crc = FLAC__crc8_table[crc ^ *data++]; + + return crc; +} + +FLAC__uint16 FLAC__crc16(const FLAC__byte *data, uint32_t len) +{ + FLAC__uint16 crc = 0; + + while(len >= 8){ + crc ^= data[0] << 8 | data[1]; + + crc = FLAC__crc16_table[7][crc >> 8] ^ FLAC__crc16_table[6][crc & 0xFF] ^ + FLAC__crc16_table[5][data[2] ] ^ FLAC__crc16_table[4][data[3] ] ^ + FLAC__crc16_table[3][data[4] ] ^ FLAC__crc16_table[2][data[5] ] ^ + FLAC__crc16_table[1][data[6] ] ^ FLAC__crc16_table[0][data[7] ]; + + data += 8; + len -= 8; + } + + while(len--) + crc = (crc<<8) ^ FLAC__crc16_table[0][(crc>>8) ^ *data++]; + + return crc; +} + +FLAC__uint16 FLAC__crc16_update_words32(const FLAC__uint32 *words, uint32_t len, FLAC__uint16 crc) +{ + while (len >= 2) { + crc ^= words[0] >> 16; + + crc = FLAC__crc16_table[7][crc >> 8 ] ^ FLAC__crc16_table[6][crc & 0xFF ] ^ + FLAC__crc16_table[5][(words[0] >> 8) & 0xFF] ^ FLAC__crc16_table[4][ words[0] & 0xFF] ^ + FLAC__crc16_table[3][ words[1] >> 24 ] ^ FLAC__crc16_table[2][(words[1] >> 16) & 0xFF] ^ + FLAC__crc16_table[1][(words[1] >> 8) & 0xFF] ^ FLAC__crc16_table[0][ words[1] & 0xFF]; + + words += 2; + len -= 2; + } + + if (len) { + crc ^= words[0] >> 16; + + crc = FLAC__crc16_table[3][crc >> 8 ] ^ FLAC__crc16_table[2][crc & 0xFF ] ^ + FLAC__crc16_table[1][(words[0] >> 8) & 0xFF] ^ FLAC__crc16_table[0][words[0] & 0xFF]; + } + + return crc; +} + +FLAC__uint16 FLAC__crc16_update_words64(const FLAC__uint64 *words, uint32_t len, FLAC__uint16 crc) +{ + while (len--) { + crc ^= words[0] >> 48; + + crc = FLAC__crc16_table[7][crc >> 8 ] ^ FLAC__crc16_table[6][crc & 0xFF ] ^ + FLAC__crc16_table[5][(words[0] >> 40) & 0xFF] ^ FLAC__crc16_table[4][(words[0] >> 32) & 0xFF] ^ + FLAC__crc16_table[3][(words[0] >> 24) & 0xFF] ^ FLAC__crc16_table[2][(words[0] >> 16) & 0xFF] ^ + FLAC__crc16_table[1][(words[0] >> 8) & 0xFF] ^ FLAC__crc16_table[0][ words[0] & 0xFF]; + + words++; + } + + return crc; +} diff --git a/src/libFLAC/deduplication/bitreader_read_rice_signed_block.c b/src/libFLAC/deduplication/bitreader_read_rice_signed_block.c new file mode 100644 index 0000000..75ed47f --- /dev/null +++ b/src/libFLAC/deduplication/bitreader_read_rice_signed_block.c @@ -0,0 +1,143 @@ +{ + /* try and get br->consumed_words and br->consumed_bits into register; + * must remember to flush them back to *br before calling other + * bitreader functions that use them, and before returning */ + uint32_t cwords, words, lsbs, msbs, x, y, limit; + uint32_t ucbits; /* keep track of the number of unconsumed bits in word */ + brword b; + int *val, *end; + + FLAC__ASSERT(0 != br); + FLAC__ASSERT(0 != br->buffer); + /* WATCHOUT: code does not work with <32bit words; we can make things much faster with this assertion */ + FLAC__ASSERT(FLAC__BITS_PER_WORD >= 32); + FLAC__ASSERT(parameter < 32); + /* the above two asserts also guarantee that the binary part never straddles more than 2 words, so we don't have to loop to read it */ + + limit = UINT32_MAX >> parameter; /* Maximal msbs that can occur with residual bounded to int32_t */ + + val = vals; + end = vals + nvals; + + if(parameter == 0) { + while(val < end) { + /* read the unary MSBs and end bit */ + if(!FLAC__bitreader_read_unary_unsigned(br, &msbs)) + return false; + /* Checking limit here would be overzealous: coding UINT32_MAX + * with parameter == 0 would take 4GiB */ + *val++ = (int)(msbs >> 1) ^ -(int)(msbs & 1); + } + + return true; + } + + FLAC__ASSERT(parameter > 0); + + cwords = br->consumed_words; + words = br->words; + + /* if we've not consumed up to a partial tail word... */ + if(cwords >= words) { + x = 0; + goto process_tail; + } + + ucbits = FLAC__BITS_PER_WORD - br->consumed_bits; + b = br->buffer[cwords] << br->consumed_bits; /* keep unconsumed bits aligned to left */ + + while(val < end) { + /* read the unary MSBs and end bit */ + x = y = COUNT_ZERO_MSBS2(b); + if(x == FLAC__BITS_PER_WORD) { + x = ucbits; + do { + /* didn't find stop bit yet, have to keep going... */ + cwords++; + if (cwords >= words) + goto incomplete_msbs; + b = br->buffer[cwords]; + y = COUNT_ZERO_MSBS2(b); + x += y; + } while(y == FLAC__BITS_PER_WORD); + } + b <<= y; + b <<= 1; /* account for stop bit */ + ucbits = (ucbits - x - 1) % FLAC__BITS_PER_WORD; + msbs = x; + + if(x > limit) + return false; + + /* read the binary LSBs */ + x = (FLAC__uint32)(b >> (FLAC__BITS_PER_WORD - parameter)); /* parameter < 32, so we can cast to 32-bit uint32_t */ + if(parameter <= ucbits) { + ucbits -= parameter; + b <<= parameter; + } else { + /* there are still bits left to read, they will all be in the next word */ + cwords++; + if (cwords >= words) + goto incomplete_lsbs; + b = br->buffer[cwords]; + ucbits += FLAC__BITS_PER_WORD - parameter; + x |= (FLAC__uint32)(b >> ucbits); + b <<= FLAC__BITS_PER_WORD - ucbits; + } + lsbs = x; + + /* compose the value */ + x = (msbs << parameter) | lsbs; + *val++ = (int)(x >> 1) ^ -(int)(x & 1); + + continue; + + /* at this point we've eaten up all the whole words */ +process_tail: + do { + if(0) { +incomplete_msbs: + br->consumed_bits = 0; + br->consumed_words = cwords; + } + + /* read the unary MSBs and end bit */ + if(!FLAC__bitreader_read_unary_unsigned(br, &msbs)) + return false; + msbs += x; + x = ucbits = 0; + + if(0) { +incomplete_lsbs: + br->consumed_bits = 0; + br->consumed_words = cwords; + } + + /* read the binary LSBs */ + if(!FLAC__bitreader_read_raw_uint32(br, &lsbs, parameter - ucbits)) + return false; + lsbs = x | lsbs; + + /* compose the value */ + x = (msbs << parameter) | lsbs; + *val++ = (int)(x >> 1) ^ -(int)(x & 1); + x = 0; + + cwords = br->consumed_words; + words = br->words; + ucbits = FLAC__BITS_PER_WORD - br->consumed_bits; + b = cwords < br->capacity ? br->buffer[cwords] << br->consumed_bits : 0; + } while(cwords >= words && val < end); + } + + if(ucbits == 0 && cwords < words) { + /* don't leave the head word with no unconsumed bits */ + cwords++; + ucbits = FLAC__BITS_PER_WORD; + } + + br->consumed_bits = FLAC__BITS_PER_WORD - ucbits; + br->consumed_words = cwords; + + return true; +} diff --git a/src/libFLAC/deduplication/lpc_compute_autocorrelation_intrin.c b/src/libFLAC/deduplication/lpc_compute_autocorrelation_intrin.c new file mode 100644 index 0000000..76419db --- /dev/null +++ b/src/libFLAC/deduplication/lpc_compute_autocorrelation_intrin.c @@ -0,0 +1,14 @@ + int i, j; + (void) lag; + FLAC__ASSERT(lag <= MAX_LAG); + + for(i = 0; i < MAX_LAG; i++) + autoc[i] = 0.0; + + for(i = 0; i < MAX_LAG; i++) + for(j = 0; j <= i; j++) + autoc[j] += (double)data[i] * (double)data[i-j]; + + for(i = MAX_LAG; i < (int)data_len; i++) + for(j = 0; j < MAX_LAG; j++) + autoc[j] += (double)data[i] * (double)data[i-j]; diff --git a/src/libFLAC/deduplication/lpc_compute_autocorrelation_intrin_neon.c b/src/libFLAC/deduplication/lpc_compute_autocorrelation_intrin_neon.c new file mode 100644 index 0000000..4df3aee --- /dev/null +++ b/src/libFLAC/deduplication/lpc_compute_autocorrelation_intrin_neon.c @@ -0,0 +1,70 @@ + int i; + float64x2_t sum0 = vdupq_n_f64(0.0f); + float64x2_t sum1 = vdupq_n_f64(0.0f); + float64x2_t sum2 = vdupq_n_f64(0.0f); + float64x2_t sum3 = vdupq_n_f64(0.0f); + float64x2_t d0 = vdupq_n_f64(0.0f); + float64x2_t d1 = vdupq_n_f64(0.0f); + float64x2_t d2 = vdupq_n_f64(0.0f); + float64x2_t d3 = vdupq_n_f64(0.0f); +#if MAX_LAG > 8 + float64x2_t sum4 = vdupq_n_f64(0.0f); + float64x2_t d4 = vdupq_n_f64(0.0f); +#endif +#if MAX_LAG > 10 + float64x2_t sum5 = vdupq_n_f64(0.0f); + float64x2_t sum6 = vdupq_n_f64(0.0f); + float64x2_t d5 = vdupq_n_f64(0.0f); + float64x2_t d6 = vdupq_n_f64(0.0f); +#endif + float64x2_t d; + + (void)lag; + FLAC__ASSERT(lag <= MAX_LAG); + + // Loop backwards through samples from data_len to 0 + for (i = data_len - 1; i >= 0; i--) + { + d = vdupq_n_f64(data[i]); // Create vector with 2 entries data[i] + + // The next 6 lines of code right-shift the elements through the 7 vectors d0..d6. + // The 7th line adds the newly loaded element to d0. This works like a stack, where + // data[i] is pushed onto the stack every time and the 9th element falls off +#if MAX_LAG > 10 + d6 = vextq_f64(d5,d6,1); + d5 = vextq_f64(d4,d5,1); +#endif +#if MAX_LAG > 8 + d4 = vextq_f64(d3,d4,1); +#endif + d3 = vextq_f64(d2,d3,1); + d2 = vextq_f64(d1,d2,1); + d1 = vextq_f64(d0,d1,1); + d0 = vextq_f64(d,d0,1); + + // Fused multiply-add sum += d * d0..d6 + sum0 = vfmaq_f64(sum0, d, d0); + sum1 = vfmaq_f64(sum1, d, d1); + sum2 = vfmaq_f64(sum2, d, d2); + sum3 = vfmaq_f64(sum3, d, d3); +#if MAX_LAG > 8 + sum4 = vfmaq_f64(sum4, d, d4); +#endif +#if MAX_LAG > 10 + sum5 = vfmaq_f64(sum5, d, d5); + sum6 = vfmaq_f64(sum6, d, d6); +#endif + } + + // Store sum0..sum6 in autoc[0..14] + vst1q_f64(autoc, sum0); + vst1q_f64(autoc + 2, sum1); + vst1q_f64(autoc + 4, sum2); + vst1q_f64(autoc + 6, sum3); +#if MAX_LAG > 8 + vst1q_f64(autoc + 8, sum4); +#endif +#if MAX_LAG > 10 + vst1q_f64(autoc + 10, sum5); + vst1q_f64(autoc + 12, sum6); +#endif diff --git a/src/libFLAC/deduplication/lpc_compute_autocorrelation_intrin_sse2.c b/src/libFLAC/deduplication/lpc_compute_autocorrelation_intrin_sse2.c new file mode 100644 index 0000000..607b42f --- /dev/null +++ b/src/libFLAC/deduplication/lpc_compute_autocorrelation_intrin_sse2.c @@ -0,0 +1,81 @@ +/* This code is imported several times in lpc_intrin_sse2.c with different + * values for MAX_LAG. Comments are for MAX_LAG == 14 */ + int i; + __m128d sum0, sum1, sum2, sum3; + __m128d d0, d1, d2, d3; +#if MAX_LAG > 8 + __m128d d4; + __m128d sum4; +#endif +#if MAX_LAG > 10 + __m128d d5, d6; + __m128d sum5, sum6; +#endif + + (void) lag; + FLAC__ASSERT(lag <= MAX_LAG); + + /* Initialize all sum vectors with zero */ + sum0 = _mm_setzero_pd(); + sum1 = _mm_setzero_pd(); + sum2 = _mm_setzero_pd(); + sum3 = _mm_setzero_pd(); + d0 = _mm_setzero_pd(); + d1 = _mm_setzero_pd(); + d2 = _mm_setzero_pd(); + d3 = _mm_setzero_pd(); +#if MAX_LAG > 8 + sum4 = _mm_setzero_pd(); + d4 = _mm_setzero_pd(); +#endif +#if MAX_LAG > 10 + sum5 = _mm_setzero_pd(); + sum6 = _mm_setzero_pd(); + d5 = _mm_setzero_pd(); + d6 = _mm_setzero_pd(); +#endif + + /* Loop backwards through samples from data_len to limit */ + for(i = data_len-1; i >= 0; i--) { + __m128d d = _mm_set1_pd(data[i]); + + /* The next lines of code work like a queue. For more + * information see the lag8 version of this function */ +#if MAX_LAG > 10 + d6 = _mm_shuffle_pd(d5, d6, _MM_SHUFFLE(0,0,0,1)); + d5 = _mm_shuffle_pd(d4, d5, _MM_SHUFFLE(0,0,0,1)); +#endif +#if MAX_LAG > 8 + d4 = _mm_shuffle_pd(d3, d4, _MM_SHUFFLE(0,0,0,1)); +#endif + d3 = _mm_shuffle_pd(d2, d3, _MM_SHUFFLE(0,0,0,1)); + d2 = _mm_shuffle_pd(d1, d2, _MM_SHUFFLE(0,0,0,1)); + d1 = _mm_shuffle_pd(d0, d1, _MM_SHUFFLE(0,0,0,1)); + d0 = _mm_shuffle_pd(d, d0, _MM_SHUFFLE(0,0,0,1)); + + /* sumn += d*dn */ + sum0 = _mm_add_pd(sum0, _mm_mul_pd(d, d0)); + sum1 = _mm_add_pd(sum1, _mm_mul_pd(d, d1)); + sum2 = _mm_add_pd(sum2, _mm_mul_pd(d, d2)); + sum3 = _mm_add_pd(sum3, _mm_mul_pd(d, d3)); +#if MAX_LAG > 8 + sum4 = _mm_add_pd(sum4, _mm_mul_pd(d, d4)); +#endif +#if MAX_LAG > 10 + sum5 = _mm_add_pd(sum5, _mm_mul_pd(d, d5)); + sum6 = _mm_add_pd(sum6, _mm_mul_pd(d, d6)); +#endif + } + + /* Store sum0..sum6 in autoc[0..14] */ + _mm_storeu_pd(autoc, sum0); + _mm_storeu_pd(autoc+2, sum1); + _mm_storeu_pd(autoc+4, sum2); + _mm_storeu_pd(autoc+6 ,sum3); +#if MAX_LAG > 8 + _mm_storeu_pd(autoc+8, sum4); +#endif +#if MAX_LAG > 10 + _mm_storeu_pd(autoc+10,sum5); + _mm_storeu_pd(autoc+12,sum6); +#endif diff --git a/src/libFLAC/fixed.c b/src/libFLAC/fixed.c new file mode 100644 index 0000000..5c42570 --- /dev/null +++ b/src/libFLAC/fixed.c @@ -0,0 +1,667 @@ +/* libFLAC - Free Lossless Audio Codec library + * Copyright (C) 2000-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * - Neither the name of the Xiph.org Foundation nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include <math.h> +#include <string.h> +#include "share/compat.h" +#include "private/bitmath.h" +#include "private/fixed.h" +#include "private/macros.h" +#include "FLAC/assert.h" + +#ifdef local_abs +#undef local_abs +#endif +#define local_abs(x) ((uint32_t)((x)<0? -(x) : (x))) + +#ifdef local_abs64 +#undef local_abs64 +#endif +#define local_abs64(x) ((uint64_t)((x)<0? -(x) : (x))) + +#ifdef FLAC__INTEGER_ONLY_LIBRARY +/* rbps stands for residual bits per sample + * + * (ln(2) * err) + * rbps = log (-----------) + * 2 ( n ) + */ +static FLAC__fixedpoint local__compute_rbps_integerized(FLAC__uint32 err, FLAC__uint32 n) +{ + FLAC__uint32 rbps; + uint32_t bits; /* the number of bits required to represent a number */ + int fracbits; /* the number of bits of rbps that comprise the fractional part */ + + FLAC__ASSERT(sizeof(rbps) == sizeof(FLAC__fixedpoint)); + FLAC__ASSERT(err > 0); + FLAC__ASSERT(n > 0); + + FLAC__ASSERT(n <= FLAC__MAX_BLOCK_SIZE); + if(err <= n) + return 0; + /* + * The above two things tell us 1) n fits in 16 bits; 2) err/n > 1. + * These allow us later to know we won't lose too much precision in the + * fixed-point division (err<<fracbits)/n. + */ + + fracbits = (8*sizeof(err)) - (FLAC__bitmath_ilog2(err)+1); + + err <<= fracbits; + err /= n; + /* err now holds err/n with fracbits fractional bits */ + + /* + * Whittle err down to 16 bits max. 16 significant bits is enough for + * our purposes. + */ + FLAC__ASSERT(err > 0); + bits = FLAC__bitmath_ilog2(err)+1; + if(bits > 16) { + err >>= (bits-16); + fracbits -= (bits-16); + } + rbps = (FLAC__uint32)err; + + /* Multiply by fixed-point version of ln(2), with 16 fractional bits */ + rbps *= FLAC__FP_LN2; + fracbits += 16; + FLAC__ASSERT(fracbits >= 0); + + /* FLAC__fixedpoint_log2 requires fracbits%4 to be 0 */ + { + const int f = fracbits & 3; + if(f) { + rbps >>= f; + fracbits -= f; + } + } + + rbps = FLAC__fixedpoint_log2(rbps, fracbits, (uint32_t)(-1)); + + if(rbps == 0) + return 0; + + /* + * The return value must have 16 fractional bits. Since the whole part + * of the base-2 log of a 32 bit number must fit in 5 bits, and fracbits + * must be >= -3, these assertion allows us to be able to shift rbps + * left if necessary to get 16 fracbits without losing any bits of the + * whole part of rbps. + * + * There is a slight chance due to accumulated error that the whole part + * will require 6 bits, so we use 6 in the assertion. Really though as + * long as it fits in 13 bits (32 - (16 - (-3))) we are fine. + */ + FLAC__ASSERT((int)FLAC__bitmath_ilog2(rbps)+1 <= fracbits + 6); + FLAC__ASSERT(fracbits >= -3); + + /* now shift the decimal point into place */ + if(fracbits < 16) + return rbps << (16-fracbits); + else if(fracbits > 16) + return rbps >> (fracbits-16); + else + return rbps; +} + +static FLAC__fixedpoint local__compute_rbps_wide_integerized(FLAC__uint64 err, FLAC__uint32 n) +{ + FLAC__uint32 rbps; + uint32_t bits; /* the number of bits required to represent a number */ + int fracbits; /* the number of bits of rbps that comprise the fractional part */ + + FLAC__ASSERT(sizeof(rbps) == sizeof(FLAC__fixedpoint)); + FLAC__ASSERT(err > 0); + FLAC__ASSERT(n > 0); + + FLAC__ASSERT(n <= FLAC__MAX_BLOCK_SIZE); + if(err <= n) + return 0; + /* + * The above two things tell us 1) n fits in 16 bits; 2) err/n > 1. + * These allow us later to know we won't lose too much precision in the + * fixed-point division (err<<fracbits)/n. + */ + + fracbits = (8*sizeof(err)) - (FLAC__bitmath_ilog2_wide(err)+1); + + err <<= fracbits; + err /= n; + /* err now holds err/n with fracbits fractional bits */ + + /* + * Whittle err down to 16 bits max. 16 significant bits is enough for + * our purposes. + */ + FLAC__ASSERT(err > 0); + bits = FLAC__bitmath_ilog2_wide(err)+1; + if(bits > 16) { + err >>= (bits-16); + fracbits -= (bits-16); + } + rbps = (FLAC__uint32)err; + + /* Multiply by fixed-point version of ln(2), with 16 fractional bits */ + rbps *= FLAC__FP_LN2; + fracbits += 16; + FLAC__ASSERT(fracbits >= 0); + + /* FLAC__fixedpoint_log2 requires fracbits%4 to be 0 */ + { + const int f = fracbits & 3; + if(f) { + rbps >>= f; + fracbits -= f; + } + } + + rbps = FLAC__fixedpoint_log2(rbps, fracbits, (uint32_t)(-1)); + + if(rbps == 0) + return 0; + + /* + * The return value must have 16 fractional bits. Since the whole part + * of the base-2 log of a 32 bit number must fit in 5 bits, and fracbits + * must be >= -3, these assertion allows us to be able to shift rbps + * left if necessary to get 16 fracbits without losing any bits of the + * whole part of rbps. + * + * There is a slight chance due to accumulated error that the whole part + * will require 6 bits, so we use 6 in the assertion. Really though as + * long as it fits in 13 bits (32 - (16 - (-3))) we are fine. + */ + FLAC__ASSERT((int)FLAC__bitmath_ilog2(rbps)+1 <= fracbits + 6); + FLAC__ASSERT(fracbits >= -3); + + /* now shift the decimal point into place */ + if(fracbits < 16) + return rbps << (16-fracbits); + else if(fracbits > 16) + return rbps >> (fracbits-16); + else + return rbps; +} +#endif + +#ifndef FLAC__INTEGER_ONLY_LIBRARY +uint32_t FLAC__fixed_compute_best_predictor(const FLAC__int32 data[], uint32_t data_len, float residual_bits_per_sample[FLAC__MAX_FIXED_ORDER+1]) +#else +uint32_t FLAC__fixed_compute_best_predictor(const FLAC__int32 data[], uint32_t data_len, FLAC__fixedpoint residual_bits_per_sample[FLAC__MAX_FIXED_ORDER+1]) +#endif +{ + FLAC__uint32 total_error_0 = 0, total_error_1 = 0, total_error_2 = 0, total_error_3 = 0, total_error_4 = 0; + uint32_t order; +#if 0 + /* This code has been around a long time, and was written when compilers weren't able + * to vectorize code. These days, compilers are better in optimizing the next block + * which is also much more readable + */ + FLAC__int32 last_error_0 = data[-1]; + FLAC__int32 last_error_1 = data[-1] - data[-2]; + FLAC__int32 last_error_2 = last_error_1 - (data[-2] - data[-3]); + FLAC__int32 last_error_3 = last_error_2 - (data[-2] - 2*data[-3] + data[-4]); + FLAC__int32 error, save; + uint32_t i; + /* total_error_* are 64-bits to avoid overflow when encoding + * erratic signals when the bits-per-sample and blocksize are + * large. + */ + for(i = 0; i < data_len; i++) { + error = data[i] ; total_error_0 += local_abs(error); save = error; + error -= last_error_0; total_error_1 += local_abs(error); last_error_0 = save; save = error; + error -= last_error_1; total_error_2 += local_abs(error); last_error_1 = save; save = error; + error -= last_error_2; total_error_3 += local_abs(error); last_error_2 = save; save = error; + error -= last_error_3; total_error_4 += local_abs(error); last_error_3 = save; + } +#else + int i; + for(i = 0; i < (int)data_len; i++) { + total_error_0 += local_abs(data[i]); + total_error_1 += local_abs(data[i] - data[i-1]); + total_error_2 += local_abs(data[i] - 2 * data[i-1] + data[i-2]); + total_error_3 += local_abs(data[i] - 3 * data[i-1] + 3 * data[i-2] - data[i-3]); + total_error_4 += local_abs(data[i] - 4 * data[i-1] + 6 * data[i-2] - 4 * data[i-3] + data[i-4]); + } +#endif + + + /* prefer lower order */ + if(total_error_0 <= flac_min(flac_min(flac_min(total_error_1, total_error_2), total_error_3), total_error_4)) + order = 0; + else if(total_error_1 <= flac_min(flac_min(total_error_2, total_error_3), total_error_4)) + order = 1; + else if(total_error_2 <= flac_min(total_error_3, total_error_4)) + order = 2; + else if(total_error_3 <= total_error_4) + order = 3; + else + order = 4; + + /* Estimate the expected number of bits per residual signal sample. */ + /* 'total_error*' is linearly related to the variance of the residual */ + /* signal, so we use it directly to compute E(|x|) */ + FLAC__ASSERT(data_len > 0 || total_error_0 == 0); + FLAC__ASSERT(data_len > 0 || total_error_1 == 0); + FLAC__ASSERT(data_len > 0 || total_error_2 == 0); + FLAC__ASSERT(data_len > 0 || total_error_3 == 0); + FLAC__ASSERT(data_len > 0 || total_error_4 == 0); +#ifndef FLAC__INTEGER_ONLY_LIBRARY + residual_bits_per_sample[0] = (float)((total_error_0 > 0) ? log(M_LN2 * (double)total_error_0 / (double)data_len) / M_LN2 : 0.0); + residual_bits_per_sample[1] = (float)((total_error_1 > 0) ? log(M_LN2 * (double)total_error_1 / (double)data_len) / M_LN2 : 0.0); + residual_bits_per_sample[2] = (float)((total_error_2 > 0) ? log(M_LN2 * (double)total_error_2 / (double)data_len) / M_LN2 : 0.0); + residual_bits_per_sample[3] = (float)((total_error_3 > 0) ? log(M_LN2 * (double)total_error_3 / (double)data_len) / M_LN2 : 0.0); + residual_bits_per_sample[4] = (float)((total_error_4 > 0) ? log(M_LN2 * (double)total_error_4 / (double)data_len) / M_LN2 : 0.0); +#else + residual_bits_per_sample[0] = (total_error_0 > 0) ? local__compute_rbps_integerized(total_error_0, data_len) : 0; + residual_bits_per_sample[1] = (total_error_1 > 0) ? local__compute_rbps_integerized(total_error_1, data_len) : 0; + residual_bits_per_sample[2] = (total_error_2 > 0) ? local__compute_rbps_integerized(total_error_2, data_len) : 0; + residual_bits_per_sample[3] = (total_error_3 > 0) ? local__compute_rbps_integerized(total_error_3, data_len) : 0; + residual_bits_per_sample[4] = (total_error_4 > 0) ? local__compute_rbps_integerized(total_error_4, data_len) : 0; +#endif + + return order; +} + +#ifndef FLAC__INTEGER_ONLY_LIBRARY +uint32_t FLAC__fixed_compute_best_predictor_wide(const FLAC__int32 data[], uint32_t data_len, float residual_bits_per_sample[FLAC__MAX_FIXED_ORDER+1]) +#else +uint32_t FLAC__fixed_compute_best_predictor_wide(const FLAC__int32 data[], uint32_t data_len, FLAC__fixedpoint residual_bits_per_sample[FLAC__MAX_FIXED_ORDER+1]) +#endif +{ + FLAC__uint64 total_error_0 = 0, total_error_1 = 0, total_error_2 = 0, total_error_3 = 0, total_error_4 = 0; + uint32_t order; + int i; + + for(i = 0; i < (int)data_len; i++) { + total_error_0 += local_abs(data[i]); + total_error_1 += local_abs(data[i] - data[i-1]); + total_error_2 += local_abs(data[i] - 2 * data[i-1] + data[i-2]); + total_error_3 += local_abs(data[i] - 3 * data[i-1] + 3 * data[i-2] - data[i-3]); + total_error_4 += local_abs(data[i] - 4 * data[i-1] + 6 * data[i-2] - 4 * data[i-3] + data[i-4]); + } + + /* prefer lower order */ + if(total_error_0 <= flac_min(flac_min(flac_min(total_error_1, total_error_2), total_error_3), total_error_4)) + order = 0; + else if(total_error_1 <= flac_min(flac_min(total_error_2, total_error_3), total_error_4)) + order = 1; + else if(total_error_2 <= flac_min(total_error_3, total_error_4)) + order = 2; + else if(total_error_3 <= total_error_4) + order = 3; + else + order = 4; + + /* Estimate the expected number of bits per residual signal sample. */ + /* 'total_error*' is linearly related to the variance of the residual */ + /* signal, so we use it directly to compute E(|x|) */ + FLAC__ASSERT(data_len > 0 || total_error_0 == 0); + FLAC__ASSERT(data_len > 0 || total_error_1 == 0); + FLAC__ASSERT(data_len > 0 || total_error_2 == 0); + FLAC__ASSERT(data_len > 0 || total_error_3 == 0); + FLAC__ASSERT(data_len > 0 || total_error_4 == 0); +#ifndef FLAC__INTEGER_ONLY_LIBRARY + residual_bits_per_sample[0] = (float)((total_error_0 > 0) ? log(M_LN2 * (double)total_error_0 / (double)data_len) / M_LN2 : 0.0); + residual_bits_per_sample[1] = (float)((total_error_1 > 0) ? log(M_LN2 * (double)total_error_1 / (double)data_len) / M_LN2 : 0.0); + residual_bits_per_sample[2] = (float)((total_error_2 > 0) ? log(M_LN2 * (double)total_error_2 / (double)data_len) / M_LN2 : 0.0); + residual_bits_per_sample[3] = (float)((total_error_3 > 0) ? log(M_LN2 * (double)total_error_3 / (double)data_len) / M_LN2 : 0.0); + residual_bits_per_sample[4] = (float)((total_error_4 > 0) ? log(M_LN2 * (double)total_error_4 / (double)data_len) / M_LN2 : 0.0); +#else + residual_bits_per_sample[0] = (total_error_0 > 0) ? local__compute_rbps_wide_integerized(total_error_0, data_len) : 0; + residual_bits_per_sample[1] = (total_error_1 > 0) ? local__compute_rbps_wide_integerized(total_error_1, data_len) : 0; + residual_bits_per_sample[2] = (total_error_2 > 0) ? local__compute_rbps_wide_integerized(total_error_2, data_len) : 0; + residual_bits_per_sample[3] = (total_error_3 > 0) ? local__compute_rbps_wide_integerized(total_error_3, data_len) : 0; + residual_bits_per_sample[4] = (total_error_4 > 0) ? local__compute_rbps_wide_integerized(total_error_4, data_len) : 0; +#endif + + return order; +} + +#ifndef FLAC__INTEGER_ONLY_LIBRARY +#define CHECK_ORDER_IS_VALID(macro_order) \ +if(order_##macro_order##_is_valid && total_error_##macro_order < smallest_error) { \ + order = macro_order; \ + smallest_error = total_error_##macro_order ; \ + residual_bits_per_sample[ macro_order ] = (float)((total_error_0 > 0) ? log(M_LN2 * (double)total_error_0 / (double)data_len) / M_LN2 : 0.0); \ +} \ +else \ + residual_bits_per_sample[ macro_order ] = 34.0f; +#else +#define CHECK_ORDER_IS_VALID(macro_order) \ +if(order_##macro_order##_is_valid && total_error_##macro_order < smallest_error) { \ + order = macro_order; \ + smallest_error = total_error_##macro_order ; \ + residual_bits_per_sample[ macro_order ] = (total_error_##macro_order > 0) ? local__compute_rbps_wide_integerized(total_error_##macro_order, data_len) : 0; \ +} \ +else \ + residual_bits_per_sample[ macro_order ] = 34 * FLAC__FP_ONE; +#endif + + +#ifndef FLAC__INTEGER_ONLY_LIBRARY +uint32_t FLAC__fixed_compute_best_predictor_limit_residual(const FLAC__int32 data[], uint32_t data_len, float residual_bits_per_sample[FLAC__MAX_FIXED_ORDER+1]) +#else +uint32_t FLAC__fixed_compute_best_predictor_limit_residual(const FLAC__int32 data[], uint32_t data_len, FLAC__fixedpoint residual_bits_per_sample[FLAC__MAX_FIXED_ORDER+1]) +#endif +{ + FLAC__uint64 total_error_0 = 0, total_error_1 = 0, total_error_2 = 0, total_error_3 = 0, total_error_4 = 0, smallest_error = UINT64_MAX; + FLAC__uint64 error_0, error_1, error_2, error_3, error_4; + FLAC__bool order_0_is_valid = true, order_1_is_valid = true, order_2_is_valid = true, order_3_is_valid = true, order_4_is_valid = true; + uint32_t order = 0; + int i; + + for(i = -4; i < (int)data_len; i++) { + error_0 = local_abs64((FLAC__int64)data[i]); + error_1 = (i > -4) ? local_abs64((FLAC__int64)data[i] - data[i-1]) : 0 ; + error_2 = (i > -3) ? local_abs64((FLAC__int64)data[i] - 2 * (FLAC__int64)data[i-1] + data[i-2]) : 0; + error_3 = (i > -2) ? local_abs64((FLAC__int64)data[i] - 3 * (FLAC__int64)data[i-1] + 3 * (FLAC__int64)data[i-2] - data[i-3]) : 0; + error_4 = (i > -1) ? local_abs64((FLAC__int64)data[i] - 4 * (FLAC__int64)data[i-1] + 6 * (FLAC__int64)data[i-2] - 4 * (FLAC__int64)data[i-3] + data[i-4]) : 0; + + total_error_0 += error_0; + total_error_1 += error_1; + total_error_2 += error_2; + total_error_3 += error_3; + total_error_4 += error_4; + + /* residual must not be INT32_MIN because abs(INT32_MIN) is undefined */ + if(error_0 > INT32_MAX) + order_0_is_valid = false; + if(error_1 > INT32_MAX) + order_1_is_valid = false; + if(error_2 > INT32_MAX) + order_2_is_valid = false; + if(error_3 > INT32_MAX) + order_3_is_valid = false; + if(error_4 > INT32_MAX) + order_4_is_valid = false; + } + + CHECK_ORDER_IS_VALID(0); + CHECK_ORDER_IS_VALID(1); + CHECK_ORDER_IS_VALID(2); + CHECK_ORDER_IS_VALID(3); + CHECK_ORDER_IS_VALID(4); + + return order; +} + +#ifndef FLAC__INTEGER_ONLY_LIBRARY +uint32_t FLAC__fixed_compute_best_predictor_limit_residual_33bit(const FLAC__int64 data[], uint32_t data_len, float residual_bits_per_sample[FLAC__MAX_FIXED_ORDER+1]) +#else +uint32_t FLAC__fixed_compute_best_predictor_limit_residual_33bit(const FLAC__int64 data[], uint32_t data_len, FLAC__fixedpoint residual_bits_per_sample[FLAC__MAX_FIXED_ORDER+1]) +#endif +{ + FLAC__uint64 total_error_0 = 0, total_error_1 = 0, total_error_2 = 0, total_error_3 = 0, total_error_4 = 0, smallest_error = UINT64_MAX; + FLAC__uint64 error_0, error_1, error_2, error_3, error_4; + FLAC__bool order_0_is_valid = true, order_1_is_valid = true, order_2_is_valid = true, order_3_is_valid = true, order_4_is_valid = true; + uint32_t order = 0; + int i; + + for(i = -4; i < (int)data_len; i++) { + error_0 = local_abs64(data[i]); + error_1 = (i > -4) ? local_abs64(data[i] - data[i-1]) : 0 ; + error_2 = (i > -3) ? local_abs64(data[i] - 2 * data[i-1] + data[i-2]) : 0; + error_3 = (i > -2) ? local_abs64(data[i] - 3 * data[i-1] + 3 * data[i-2] - data[i-3]) : 0; + error_4 = (i > -1) ? local_abs64(data[i] - 4 * data[i-1] + 6 * data[i-2] - 4 * data[i-3] + data[i-4]) : 0; + + total_error_0 += error_0; + total_error_1 += error_1; + total_error_2 += error_2; + total_error_3 += error_3; + total_error_4 += error_4; + + /* residual must not be INT32_MIN because abs(INT32_MIN) is undefined */ + if(error_0 > INT32_MAX) + order_0_is_valid = false; + if(error_1 > INT32_MAX) + order_1_is_valid = false; + if(error_2 > INT32_MAX) + order_2_is_valid = false; + if(error_3 > INT32_MAX) + order_3_is_valid = false; + if(error_4 > INT32_MAX) + order_4_is_valid = false; + } + + CHECK_ORDER_IS_VALID(0); + CHECK_ORDER_IS_VALID(1); + CHECK_ORDER_IS_VALID(2); + CHECK_ORDER_IS_VALID(3); + CHECK_ORDER_IS_VALID(4); + + return order; +} + +void FLAC__fixed_compute_residual(const FLAC__int32 data[], uint32_t data_len, uint32_t order, FLAC__int32 residual[]) +{ + const int idata_len = (int)data_len; + int i; + + switch(order) { + case 0: + FLAC__ASSERT(sizeof(residual[0]) == sizeof(data[0])); + memcpy(residual, data, sizeof(residual[0])*data_len); + break; + case 1: + for(i = 0; i < idata_len; i++) + residual[i] = data[i] - data[i-1]; + break; + case 2: + for(i = 0; i < idata_len; i++) + residual[i] = data[i] - 2*data[i-1] + data[i-2]; + break; + case 3: + for(i = 0; i < idata_len; i++) + residual[i] = data[i] - 3*data[i-1] + 3*data[i-2] - data[i-3]; + break; + case 4: + for(i = 0; i < idata_len; i++) + residual[i] = data[i] - 4*data[i-1] + 6*data[i-2] - 4*data[i-3] + data[i-4]; + break; + default: + FLAC__ASSERT(0); + } +} + +void FLAC__fixed_compute_residual_wide(const FLAC__int32 data[], uint32_t data_len, uint32_t order, FLAC__int32 residual[]) +{ + const int idata_len = (int)data_len; + int i; + + switch(order) { + case 0: + FLAC__ASSERT(sizeof(residual[0]) == sizeof(data[0])); + memcpy(residual, data, sizeof(residual[0])*data_len); + break; + case 1: + for(i = 0; i < idata_len; i++) + residual[i] = (FLAC__int64)data[i] - data[i-1]; + break; + case 2: + for(i = 0; i < idata_len; i++) + residual[i] = (FLAC__int64)data[i] - 2*(FLAC__int64)data[i-1] + data[i-2]; + break; + case 3: + for(i = 0; i < idata_len; i++) + residual[i] = (FLAC__int64)data[i] - 3*(FLAC__int64)data[i-1] + 3*(FLAC__int64)data[i-2] - data[i-3]; + break; + case 4: + for(i = 0; i < idata_len; i++) + residual[i] = (FLAC__int64)data[i] - 4*(FLAC__int64)data[i-1] + 6*(FLAC__int64)data[i-2] - 4*(FLAC__int64)data[i-3] + data[i-4]; + break; + default: + FLAC__ASSERT(0); + } +} + +void FLAC__fixed_compute_residual_wide_33bit(const FLAC__int64 data[], uint32_t data_len, uint32_t order, FLAC__int32 residual[]) +{ + const int idata_len = (int)data_len; + int i; + + switch(order) { + case 0: + for(i = 0; i < idata_len; i++) + residual[i] = data[i]; + break; + case 1: + for(i = 0; i < idata_len; i++) + residual[i] = data[i] - data[i-1]; + break; + case 2: + for(i = 0; i < idata_len; i++) + residual[i] = data[i] - 2*data[i-1] + data[i-2]; + break; + case 3: + for(i = 0; i < idata_len; i++) + residual[i] = data[i] - 3*data[i-1] + 3*data[i-2] - data[i-3]; + break; + case 4: + for(i = 0; i < idata_len; i++) + residual[i] = data[i] - 4*data[i-1] + 6*data[i-2] - 4*data[i-3] + data[i-4]; + break; + default: + FLAC__ASSERT(0); + } +} + +#if defined(FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION) && !defined(FUZZING_BUILD_MODE_FLAC_SANITIZE_SIGNED_INTEGER_OVERFLOW) +/* The attribute below is to silence the undefined sanitizer of oss-fuzz. + * Because fuzzing feeds bogus predictors and residual samples to the + * decoder, having overflows in this section is unavoidable. Also, + * because the calculated values are audio path only, there is no + * potential for security problems */ +__attribute__((no_sanitize("signed-integer-overflow"))) +#endif +void FLAC__fixed_restore_signal(const FLAC__int32 residual[], uint32_t data_len, uint32_t order, FLAC__int32 data[]) +{ + int i, idata_len = (int)data_len; + + switch(order) { + case 0: + FLAC__ASSERT(sizeof(residual[0]) == sizeof(data[0])); + memcpy(data, residual, sizeof(residual[0])*data_len); + break; + case 1: + for(i = 0; i < idata_len; i++) + data[i] = residual[i] + data[i-1]; + break; + case 2: + for(i = 0; i < idata_len; i++) + data[i] = residual[i] + 2*data[i-1] - data[i-2]; + break; + case 3: + for(i = 0; i < idata_len; i++) + data[i] = residual[i] + 3*data[i-1] - 3*data[i-2] + data[i-3]; + break; + case 4: + for(i = 0; i < idata_len; i++) + data[i] = residual[i] + 4*data[i-1] - 6*data[i-2] + 4*data[i-3] - data[i-4]; + break; + default: + FLAC__ASSERT(0); + } +} + +void FLAC__fixed_restore_signal_wide(const FLAC__int32 residual[], uint32_t data_len, uint32_t order, FLAC__int32 data[]) +{ + int i, idata_len = (int)data_len; + + switch(order) { + case 0: + FLAC__ASSERT(sizeof(residual[0]) == sizeof(data[0])); + memcpy(data, residual, sizeof(residual[0])*data_len); + break; + case 1: + for(i = 0; i < idata_len; i++) + data[i] = (FLAC__int64)residual[i] + (FLAC__int64)data[i-1]; + break; + case 2: + for(i = 0; i < idata_len; i++) + data[i] = (FLAC__int64)residual[i] + 2*(FLAC__int64)data[i-1] - (FLAC__int64)data[i-2]; + break; + case 3: + for(i = 0; i < idata_len; i++) + data[i] = (FLAC__int64)residual[i] + 3*(FLAC__int64)data[i-1] - 3*(FLAC__int64)data[i-2] + (FLAC__int64)data[i-3]; + break; + case 4: + for(i = 0; i < idata_len; i++) + data[i] = (FLAC__int64)residual[i] + 4*(FLAC__int64)data[i-1] - 6*(FLAC__int64)data[i-2] + 4*(FLAC__int64)data[i-3] - (FLAC__int64)data[i-4]; + break; + default: + FLAC__ASSERT(0); + } +} + +#if defined(FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION) && !defined(FUZZING_BUILD_MODE_FLAC_SANITIZE_SIGNED_INTEGER_OVERFLOW) +/* The attribute below is to silence the undefined sanitizer of oss-fuzz. + * Because fuzzing feeds bogus predictors and residual samples to the + * decoder, having overflows in this section is unavoidable. Also, + * because the calculated values are audio path only, there is no + * potential for security problems */ +__attribute__((no_sanitize("signed-integer-overflow"))) +#endif +void FLAC__fixed_restore_signal_wide_33bit(const FLAC__int32 residual[], uint32_t data_len, uint32_t order, FLAC__int64 data[]) +{ + int i, idata_len = (int)data_len; + + switch(order) { + case 0: + for(i = 0; i < idata_len; i++) + data[i] = residual[i]; + break; + case 1: + for(i = 0; i < idata_len; i++) + data[i] = (FLAC__int64)residual[i] + data[i-1]; + break; + case 2: + for(i = 0; i < idata_len; i++) + data[i] = (FLAC__int64)residual[i] + 2*data[i-1] - data[i-2]; + break; + case 3: + for(i = 0; i < idata_len; i++) + data[i] = (FLAC__int64)residual[i] + 3*data[i-1] - 3*data[i-2] + data[i-3]; + break; + case 4: + for(i = 0; i < idata_len; i++) + data[i] = (FLAC__int64)residual[i] + 4*data[i-1] - 6*data[i-2] + 4*data[i-3] - data[i-4]; + break; + default: + FLAC__ASSERT(0); + } +} diff --git a/src/libFLAC/fixed_intrin_avx2.c b/src/libFLAC/fixed_intrin_avx2.c new file mode 100644 index 0000000..85fc4a6 --- /dev/null +++ b/src/libFLAC/fixed_intrin_avx2.c @@ -0,0 +1,343 @@ +/* libFLAC - Free Lossless Audio Codec library + * Copyright (C) 2000-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * - Neither the name of the Xiph.org Foundation nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include "private/cpu.h" + +#ifndef FLAC__INTEGER_ONLY_LIBRARY +#ifndef FLAC__NO_ASM +#if (defined FLAC__CPU_IA32 || defined FLAC__CPU_X86_64) && FLAC__HAS_X86INTRIN +#include "private/fixed.h" +#ifdef FLAC__AVX2_SUPPORTED + +#include <immintrin.h> +#include <math.h> +#include "private/macros.h" +#include "share/compat.h" +#include "FLAC/assert.h" + +#ifdef local_abs +#undef local_abs +#endif +#define local_abs(x) ((uint32_t)((x)<0? -(x) : (x))) + +FLAC__SSE_TARGET("avx2") +uint32_t FLAC__fixed_compute_best_predictor_wide_intrin_avx2(const FLAC__int32 data[], uint32_t data_len, float residual_bits_per_sample[FLAC__MAX_FIXED_ORDER + 1]) +{ + FLAC__uint64 total_error_0, total_error_1, total_error_2, total_error_3, total_error_4; + FLAC__int32 i, data_len_int; + uint32_t order; + __m256i total_err0, total_err1, total_err2, total_err3, total_err4; + __m256i prev_err0, prev_err1, prev_err2, prev_err3; + __m256i tempA, tempB, bitmask; + FLAC__int64 data_scalar[4]; + FLAC__int64 prev_err0_scalar[4]; + FLAC__int64 prev_err1_scalar[4]; + FLAC__int64 prev_err2_scalar[4]; + FLAC__int64 prev_err3_scalar[4]; + total_err0 = _mm256_setzero_si256(); + total_err1 = _mm256_setzero_si256(); + total_err2 = _mm256_setzero_si256(); + total_err3 = _mm256_setzero_si256(); + total_err4 = _mm256_setzero_si256(); + data_len_int = data_len; + + for(i = 0; i < 4; i++){ + prev_err0_scalar[i] = data[-1+i*(data_len_int/4)]; + prev_err1_scalar[i] = data[-1+i*(data_len_int/4)] - data[-2+i*(data_len_int/4)]; + prev_err2_scalar[i] = prev_err1_scalar[i] - (data[-2+i*(data_len_int/4)] - data[-3+i*(data_len_int/4)]); + prev_err3_scalar[i] = prev_err2_scalar[i] - (data[-2+i*(data_len_int/4)] - 2*data[-3+i*(data_len_int/4)] + data[-4+i*(data_len_int/4)]); + } + prev_err0 = _mm256_loadu_si256((const __m256i*)(void*)prev_err0_scalar); + prev_err1 = _mm256_loadu_si256((const __m256i*)(void*)prev_err1_scalar); + prev_err2 = _mm256_loadu_si256((const __m256i*)(void*)prev_err2_scalar); + prev_err3 = _mm256_loadu_si256((const __m256i*)(void*)prev_err3_scalar); + for(i = 0; i < data_len_int / 4; i++){ + data_scalar[0] = data[i]; + data_scalar[1] = data[i+data_len/4]; + data_scalar[2] = data[i+2*data_len/4]; + data_scalar[3] = data[i+3*data_len/4]; + tempA = _mm256_loadu_si256((const __m256i*)(void*)data_scalar); + /* Next three intrinsics calculate tempB as abs of tempA */ + bitmask = _mm256_cmpgt_epi64(_mm256_set1_epi64x(0), tempA); + tempB = _mm256_xor_si256(tempA, bitmask); + tempB = _mm256_sub_epi64(tempB, bitmask); + total_err0 = _mm256_add_epi64(total_err0,tempB); + tempB = _mm256_sub_epi64(tempA,prev_err0); + prev_err0 = tempA; + /* Next three intrinsics calculate tempA as abs of tempB */ + bitmask = _mm256_cmpgt_epi64(_mm256_set1_epi64x(0), tempB); + tempA = _mm256_xor_si256(tempB, bitmask); + tempA = _mm256_sub_epi64(tempA, bitmask); + total_err1 = _mm256_add_epi64(total_err1,tempA); + tempA = _mm256_sub_epi64(tempB,prev_err1); + prev_err1 = tempB; + /* Next three intrinsics calculate tempB as abs of tempA */ + bitmask = _mm256_cmpgt_epi64(_mm256_set1_epi64x(0), tempA); + tempB = _mm256_xor_si256(tempA, bitmask); + tempB = _mm256_sub_epi64(tempB, bitmask); + total_err2 = _mm256_add_epi64(total_err2,tempB); + tempB = _mm256_sub_epi64(tempA,prev_err2); + prev_err2 = tempA; + /* Next three intrinsics calculate tempA as abs of tempB */ + bitmask = _mm256_cmpgt_epi64(_mm256_set1_epi64x(0), tempB); + tempA = _mm256_xor_si256(tempB, bitmask); + tempA = _mm256_sub_epi64(tempA, bitmask); + total_err3 = _mm256_add_epi64(total_err3,tempA); + tempA = _mm256_sub_epi64(tempB,prev_err3); + prev_err3 = tempB; + /* Next three intrinsics calculate tempB as abs of tempA */ + bitmask = _mm256_cmpgt_epi64(_mm256_set1_epi64x(0), tempA); + tempB = _mm256_xor_si256(tempA, bitmask); + tempB = _mm256_sub_epi64(tempB, bitmask); + total_err4 = _mm256_add_epi64(total_err4,tempB); + } + _mm256_storeu_si256((__m256i*)(void*)data_scalar,total_err0); + total_error_0 = data_scalar[0] + data_scalar[1] + data_scalar[2] + data_scalar[3]; + _mm256_storeu_si256((__m256i*)(void*)data_scalar,total_err1); + total_error_1 = data_scalar[0] + data_scalar[1] + data_scalar[2] + data_scalar[3]; + _mm256_storeu_si256((__m256i*)(void*)data_scalar,total_err2); + total_error_2 = data_scalar[0] + data_scalar[1] + data_scalar[2] + data_scalar[3]; + _mm256_storeu_si256((__m256i*)(void*)data_scalar,total_err3); + total_error_3 = data_scalar[0] + data_scalar[1] + data_scalar[2] + data_scalar[3]; + _mm256_storeu_si256((__m256i*)(void*)data_scalar,total_err4); + total_error_4 = data_scalar[0] + data_scalar[1] + data_scalar[2] + data_scalar[3]; + + /* Ignore the remainder, we're ignore the first few samples too */ + + /* prefer lower order */ + if(total_error_0 <= flac_min(flac_min(flac_min(total_error_1, total_error_2), total_error_3), total_error_4)) + order = 0; + else if(total_error_1 <= flac_min(flac_min(total_error_2, total_error_3), total_error_4)) + order = 1; + else if(total_error_2 <= flac_min(total_error_3, total_error_4)) + order = 2; + else if(total_error_3 <= total_error_4) + order = 3; + else + order = 4; + + /* Estimate the expected number of bits per residual signal sample. */ + /* 'total_error*' is linearly related to the variance of the residual */ + /* signal, so we use it directly to compute E(|x|) */ + FLAC__ASSERT(data_len > 0 || total_error_0 == 0); + FLAC__ASSERT(data_len > 0 || total_error_1 == 0); + FLAC__ASSERT(data_len > 0 || total_error_2 == 0); + FLAC__ASSERT(data_len > 0 || total_error_3 == 0); + FLAC__ASSERT(data_len > 0 || total_error_4 == 0); + + residual_bits_per_sample[0] = (float)((total_error_0 > 0) ? log(M_LN2 * (double)total_error_0 / (double)data_len) / M_LN2 : 0.0); + residual_bits_per_sample[1] = (float)((total_error_1 > 0) ? log(M_LN2 * (double)total_error_1 / (double)data_len) / M_LN2 : 0.0); + residual_bits_per_sample[2] = (float)((total_error_2 > 0) ? log(M_LN2 * (double)total_error_2 / (double)data_len) / M_LN2 : 0.0); + residual_bits_per_sample[3] = (float)((total_error_3 > 0) ? log(M_LN2 * (double)total_error_3 / (double)data_len) / M_LN2 : 0.0); + residual_bits_per_sample[4] = (float)((total_error_4 > 0) ? log(M_LN2 * (double)total_error_4 / (double)data_len) / M_LN2 : 0.0); + + return order; +} + +#ifdef local_abs64 +#undef local_abs64 +#endif +#define local_abs64(x) ((uint64_t)((x)<0? -(x) : (x))) + +#define CHECK_ORDER_IS_VALID(macro_order) \ +if(shadow_error_##macro_order <= INT32_MAX) { \ + if(total_error_##macro_order < smallest_error) { \ + order = macro_order; \ + smallest_error = total_error_##macro_order ; \ + } \ + residual_bits_per_sample[ macro_order ] = (float)((total_error_0 > 0) ? log(M_LN2 * (double)total_error_0 / (double)data_len) / M_LN2 : 0.0); \ +} \ +else \ + residual_bits_per_sample[ macro_order ] = 34.0f; + +FLAC__SSE_TARGET("avx2") +uint32_t FLAC__fixed_compute_best_predictor_limit_residual_intrin_avx2(const FLAC__int32 data[], uint32_t data_len, float residual_bits_per_sample[FLAC__MAX_FIXED_ORDER + 1]) +{ + FLAC__uint64 total_error_0 = 0, total_error_1 = 0, total_error_2 = 0, total_error_3 = 0, total_error_4 = 0, smallest_error = UINT64_MAX; + FLAC__uint64 shadow_error_0 = 0, shadow_error_1 = 0, shadow_error_2 = 0, shadow_error_3 = 0, shadow_error_4 = 0; + FLAC__uint64 error_0, error_1, error_2, error_3, error_4; + FLAC__int32 i, data_len_int; + uint32_t order = 0; + __m256i total_err0, total_err1, total_err2, total_err3, total_err4; + __m256i shadow_err0, shadow_err1, shadow_err2, shadow_err3, shadow_err4; + __m256i prev_err0, prev_err1, prev_err2, prev_err3; + __m256i tempA, tempB, bitmask; + FLAC__int64 data_scalar[4]; + FLAC__int64 prev_err0_scalar[4]; + FLAC__int64 prev_err1_scalar[4]; + FLAC__int64 prev_err2_scalar[4]; + FLAC__int64 prev_err3_scalar[4]; + total_err0 = _mm256_setzero_si256(); + total_err1 = _mm256_setzero_si256(); + total_err2 = _mm256_setzero_si256(); + total_err3 = _mm256_setzero_si256(); + total_err4 = _mm256_setzero_si256(); + shadow_err0 = _mm256_setzero_si256(); + shadow_err1 = _mm256_setzero_si256(); + shadow_err2 = _mm256_setzero_si256(); + shadow_err3 = _mm256_setzero_si256(); + shadow_err4 = _mm256_setzero_si256(); + data_len_int = data_len; + + /* First take care of preceding samples */ + for(i = -4; i < 0; i++) { + error_0 = local_abs64((FLAC__int64)data[i]); + error_1 = (i > -4) ? local_abs64((FLAC__int64)data[i] - data[i-1]) : 0 ; + error_2 = (i > -3) ? local_abs64((FLAC__int64)data[i] - 2 * (FLAC__int64)data[i-1] + data[i-2]) : 0; + error_3 = (i > -2) ? local_abs64((FLAC__int64)data[i] - 3 * (FLAC__int64)data[i-1] + 3 * (FLAC__int64)data[i-2] - data[i-3]) : 0; + + total_error_0 += error_0; + total_error_1 += error_1; + total_error_2 += error_2; + total_error_3 += error_3; + + shadow_error_0 |= error_0; + shadow_error_1 |= error_1; + shadow_error_2 |= error_2; + shadow_error_3 |= error_3; + } + + for(i = 0; i < 4; i++){ + prev_err0_scalar[i] = data[-1+i*(data_len_int/4)]; + prev_err1_scalar[i] = (FLAC__int64)(data[-1+i*(data_len_int/4)]) - data[-2+i*(data_len_int/4)]; + prev_err2_scalar[i] = prev_err1_scalar[i] - ((FLAC__int64)(data[-2+i*(data_len_int/4)]) - data[-3+i*(data_len_int/4)]); + prev_err3_scalar[i] = prev_err2_scalar[i] - ((FLAC__int64)(data[-2+i*(data_len_int/4)]) - 2*(FLAC__int64)(data[-3+i*(data_len_int/4)]) + data[-4+i*(data_len_int/4)]); + } + prev_err0 = _mm256_loadu_si256((const __m256i*)(void*)prev_err0_scalar); + prev_err1 = _mm256_loadu_si256((const __m256i*)(void*)prev_err1_scalar); + prev_err2 = _mm256_loadu_si256((const __m256i*)(void*)prev_err2_scalar); + prev_err3 = _mm256_loadu_si256((const __m256i*)(void*)prev_err3_scalar); + for(i = 0; i < data_len_int / 4; i++){ + data_scalar[0] = data[i]; + data_scalar[1] = data[i+data_len/4]; + data_scalar[2] = data[i+2*data_len/4]; + data_scalar[3] = data[i+3*data_len/4]; + tempA = _mm256_loadu_si256((const __m256i*)(void*)data_scalar); + /* Next three intrinsics calculate tempB as abs of tempA */ + bitmask = _mm256_cmpgt_epi64(_mm256_set1_epi64x(0), tempA); + tempB = _mm256_xor_si256(tempA, bitmask); + tempB = _mm256_sub_epi64(tempB, bitmask); + total_err0 = _mm256_add_epi64(total_err0,tempB); + shadow_err0 = _mm256_or_si256(shadow_err0,tempB); + tempB = _mm256_sub_epi64(tempA,prev_err0); + prev_err0 = tempA; + /* Next three intrinsics calculate tempA as abs of tempB */ + bitmask = _mm256_cmpgt_epi64(_mm256_set1_epi64x(0), tempB); + tempA = _mm256_xor_si256(tempB, bitmask); + tempA = _mm256_sub_epi64(tempA, bitmask); + total_err1 = _mm256_add_epi64(total_err1,tempA); + shadow_err1 = _mm256_or_si256(shadow_err1,tempA); + tempA = _mm256_sub_epi64(tempB,prev_err1); + prev_err1 = tempB; + /* Next three intrinsics calculate tempB as abs of tempA */ + bitmask = _mm256_cmpgt_epi64(_mm256_set1_epi64x(0), tempA); + tempB = _mm256_xor_si256(tempA, bitmask); + tempB = _mm256_sub_epi64(tempB, bitmask); + total_err2 = _mm256_add_epi64(total_err2,tempB); + shadow_err2 = _mm256_or_si256(shadow_err2,tempB); + tempB = _mm256_sub_epi64(tempA,prev_err2); + prev_err2 = tempA; + /* Next three intrinsics calculate tempA as abs of tempB */ + bitmask = _mm256_cmpgt_epi64(_mm256_set1_epi64x(0), tempB); + tempA = _mm256_xor_si256(tempB, bitmask); + tempA = _mm256_sub_epi64(tempA, bitmask); + total_err3 = _mm256_add_epi64(total_err3,tempA); + shadow_err3 = _mm256_or_si256(shadow_err3,tempA); + tempA = _mm256_sub_epi64(tempB,prev_err3); + prev_err3 = tempB; + /* Next three intrinsics calculate tempB as abs of tempA */ + bitmask = _mm256_cmpgt_epi64(_mm256_set1_epi64x(0), tempA); + tempB = _mm256_xor_si256(tempA, bitmask); + tempB = _mm256_sub_epi64(tempB, bitmask); + total_err4 = _mm256_add_epi64(total_err4,tempB); + shadow_err4 = _mm256_or_si256(shadow_err4,tempB); + } + _mm256_storeu_si256((__m256i*)(void*)data_scalar,total_err0); + total_error_0 += data_scalar[0] + data_scalar[1] + data_scalar[2] + data_scalar[3]; + _mm256_storeu_si256((__m256i*)(void*)data_scalar,total_err1); + total_error_1 += data_scalar[0] + data_scalar[1] + data_scalar[2] + data_scalar[3]; + _mm256_storeu_si256((__m256i*)(void*)data_scalar,total_err2); + total_error_2 += data_scalar[0] + data_scalar[1] + data_scalar[2] + data_scalar[3]; + _mm256_storeu_si256((__m256i*)(void*)data_scalar,total_err3); + total_error_3 += data_scalar[0] + data_scalar[1] + data_scalar[2] + data_scalar[3]; + _mm256_storeu_si256((__m256i*)(void*)data_scalar,total_err4); + total_error_4 += data_scalar[0] + data_scalar[1] + data_scalar[2] + data_scalar[3]; + _mm256_storeu_si256((__m256i*)(void*)data_scalar,shadow_err0); + shadow_error_0 |= data_scalar[0] | data_scalar[1] | data_scalar[2] | data_scalar[3]; + _mm256_storeu_si256((__m256i*)(void*)data_scalar,shadow_err1); + shadow_error_1 |= data_scalar[0] | data_scalar[1] | data_scalar[2] | data_scalar[3]; + _mm256_storeu_si256((__m256i*)(void*)data_scalar,shadow_err2); + shadow_error_2 |= data_scalar[0] | data_scalar[1] | data_scalar[2] | data_scalar[3]; + _mm256_storeu_si256((__m256i*)(void*)data_scalar,shadow_err3); + shadow_error_3 |= data_scalar[0] | data_scalar[1] | data_scalar[2] | data_scalar[3]; + _mm256_storeu_si256((__m256i*)(void*)data_scalar,shadow_err4); + shadow_error_4 |= data_scalar[0] | data_scalar[1] | data_scalar[2] | data_scalar[3]; + + /* Take care of remaining sample */ + for(i = (data_len/4)*4; i < data_len_int; i++) { + error_0 = local_abs64((FLAC__int64)data[i]); + error_1 = local_abs64((FLAC__int64)data[i] - data[i-1]); + error_2 = local_abs64((FLAC__int64)data[i] - 2 * (FLAC__int64)data[i-1] + data[i-2]); + error_3 = local_abs64((FLAC__int64)data[i] - 3 * (FLAC__int64)data[i-1] + 3 * (FLAC__int64)data[i-2] - data[i-3]); + error_4 = local_abs64((FLAC__int64)data[i] - 4 * (FLAC__int64)data[i-1] + 6 * (FLAC__int64)data[i-2] - 4 * (FLAC__int64)data[i-3] + data[i-4]); + + total_error_0 += error_0; + total_error_1 += error_1; + total_error_2 += error_2; + total_error_3 += error_3; + total_error_4 += error_4; + + shadow_error_0 |= error_0; + shadow_error_1 |= error_1; + shadow_error_2 |= error_2; + shadow_error_3 |= error_3; + shadow_error_4 |= error_4; + } + + + CHECK_ORDER_IS_VALID(0); + CHECK_ORDER_IS_VALID(1); + CHECK_ORDER_IS_VALID(2); + CHECK_ORDER_IS_VALID(3); + CHECK_ORDER_IS_VALID(4); + + return order; +} + +#endif /* FLAC__AVX2_SUPPORTED */ +#endif /* (FLAC__CPU_IA32 || FLAC__CPU_X86_64) && FLAC__HAS_X86INTRIN */ +#endif /* FLAC__NO_ASM */ +#endif /* FLAC__INTEGER_ONLY_LIBRARY */ diff --git a/src/libFLAC/fixed_intrin_sse2.c b/src/libFLAC/fixed_intrin_sse2.c new file mode 100644 index 0000000..b92c13c --- /dev/null +++ b/src/libFLAC/fixed_intrin_sse2.c @@ -0,0 +1,194 @@ +/* libFLAC - Free Lossless Audio Codec library + * Copyright (C) 2000-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * - Neither the name of the Xiph.org Foundation nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include "private/cpu.h" + +#ifndef FLAC__INTEGER_ONLY_LIBRARY +#ifndef FLAC__NO_ASM +#if (defined FLAC__CPU_IA32 || defined FLAC__CPU_X86_64) && defined FLAC__HAS_X86INTRIN +#include "private/fixed.h" +#ifdef FLAC__SSE2_SUPPORTED + +#include <emmintrin.h> /* SSE2 */ +#include <math.h> +#include "private/macros.h" +#include "share/compat.h" +#include "FLAC/assert.h" + +#ifdef FLAC__CPU_IA32 +#define m128i_to_i64(dest, src) _mm_storel_epi64((__m128i*)&dest, src) +#else +#define m128i_to_i64(dest, src) dest = _mm_cvtsi128_si64(src) +#endif + +#ifdef local_abs +#undef local_abs +#endif +#define local_abs(x) ((uint32_t)((x)<0? -(x) : (x))) + +FLAC__SSE_TARGET("sse2") +uint32_t FLAC__fixed_compute_best_predictor_intrin_sse2(const FLAC__int32 data[], uint32_t data_len, float residual_bits_per_sample[FLAC__MAX_FIXED_ORDER + 1]) +{ + FLAC__uint32 total_error_0, total_error_1, total_error_2, total_error_3, total_error_4; + FLAC__int32 i, data_len_int; + uint32_t order; + __m128i total_err0, total_err1, total_err2, total_err3, total_err4; + __m128i prev_err0, prev_err1, prev_err2, prev_err3; + __m128i tempA, tempB, bitmask; + FLAC__int32 data_scalar[4]; + FLAC__int32 prev_err0_scalar[4]; + FLAC__int32 prev_err1_scalar[4]; + FLAC__int32 prev_err2_scalar[4]; + FLAC__int32 prev_err3_scalar[4]; + total_err0 = _mm_setzero_si128(); + total_err1 = _mm_setzero_si128(); + total_err2 = _mm_setzero_si128(); + total_err3 = _mm_setzero_si128(); + total_err4 = _mm_setzero_si128(); + data_len_int = data_len; + + for(i = 0; i < 4; i++){ + prev_err0_scalar[i] = data[-1+i*(data_len_int/4)]; + prev_err1_scalar[i] = data[-1+i*(data_len_int/4)] - data[-2+i*(data_len_int/4)]; + prev_err2_scalar[i] = prev_err1_scalar[i] - (data[-2+i*(data_len_int/4)] - data[-3+i*(data_len_int/4)]); + prev_err3_scalar[i] = prev_err2_scalar[i] - (data[-2+i*(data_len_int/4)] - 2*data[-3+i*(data_len_int/4)] + data[-4+i*(data_len_int/4)]); + } + prev_err0 = _mm_loadu_si128((const __m128i*)prev_err0_scalar); + prev_err1 = _mm_loadu_si128((const __m128i*)prev_err1_scalar); + prev_err2 = _mm_loadu_si128((const __m128i*)prev_err2_scalar); + prev_err3 = _mm_loadu_si128((const __m128i*)prev_err3_scalar); + for(i = 0; i < data_len_int / 4; i++){ + data_scalar[0] = data[i]; + data_scalar[1] = data[i+data_len/4]; + data_scalar[2] = data[i+2*(data_len/4)]; + data_scalar[3] = data[i+3*(data_len/4)]; + tempA = _mm_loadu_si128((const __m128i*)data_scalar); + /* Next three intrinsics calculate tempB as abs of tempA */ + bitmask = _mm_srai_epi32(tempA, 31); + tempB = _mm_xor_si128(tempA, bitmask); + tempB = _mm_sub_epi32(tempB, bitmask); + total_err0 = _mm_add_epi32(total_err0,tempB); + tempB = _mm_sub_epi32(tempA,prev_err0); + prev_err0 = tempA; + /* Next three intrinsics calculate tempA as abs of tempB */ + bitmask = _mm_srai_epi32(tempB, 31); + tempA = _mm_xor_si128(tempB, bitmask); + tempA = _mm_sub_epi32(tempA, bitmask); + total_err1 = _mm_add_epi32(total_err1,tempA); + tempA = _mm_sub_epi32(tempB,prev_err1); + prev_err1 = tempB; + /* Next three intrinsics calculate tempB as abs of tempA */ + bitmask = _mm_srai_epi32(tempA, 31); + tempB = _mm_xor_si128(tempA, bitmask); + tempB = _mm_sub_epi32(tempB, bitmask); + total_err2 = _mm_add_epi32(total_err2,tempB); + tempB = _mm_sub_epi32(tempA,prev_err2); + prev_err2 = tempA; + /* Next three intrinsics calculate tempA as abs of tempB */ + bitmask = _mm_srai_epi32(tempB, 31); + tempA = _mm_xor_si128(tempB, bitmask); + tempA = _mm_sub_epi32(tempA, bitmask); + total_err3 = _mm_add_epi32(total_err3,tempA); + tempA = _mm_sub_epi32(tempB,prev_err3); + prev_err3 = tempB; + /* Next three intrinsics calculate tempB as abs of tempA */ + bitmask = _mm_srai_epi32(tempA, 31); + tempB = _mm_xor_si128(tempA, bitmask); + tempB = _mm_sub_epi32(tempB, bitmask); + total_err4 = _mm_add_epi32(total_err4,tempB); + } + _mm_storeu_si128((__m128i*)data_scalar,total_err0); + total_error_0 = data_scalar[0] + data_scalar[1] + data_scalar[2] + data_scalar[3]; + _mm_storeu_si128((__m128i*)data_scalar,total_err1); + total_error_1 = data_scalar[0] + data_scalar[1] + data_scalar[2] + data_scalar[3]; + _mm_storeu_si128((__m128i*)data_scalar,total_err2); + total_error_2 = data_scalar[0] + data_scalar[1] + data_scalar[2] + data_scalar[3]; + _mm_storeu_si128((__m128i*)data_scalar,total_err3); + total_error_3 = data_scalar[0] + data_scalar[1] + data_scalar[2] + data_scalar[3]; + _mm_storeu_si128((__m128i*)data_scalar,total_err4); + total_error_4 = data_scalar[0] + data_scalar[1] + data_scalar[2] + data_scalar[3]; + + /* Now the remainder of samples needs to be processed */ + i *= 4; + if(data_len % 4 > 0){ + FLAC__int32 last_error_0 = data[i-1]; + FLAC__int32 last_error_1 = data[i-1] - data[i-2]; + FLAC__int32 last_error_2 = last_error_1 - (data[i-2] - data[i-3]); + FLAC__int32 last_error_3 = last_error_2 - (data[i-2] - 2*data[i-3] + data[i-4]); + FLAC__int32 error, save; + for(; i < data_len_int; i++) { + error = data[i] ; total_error_0 += local_abs(error); save = error; + error -= last_error_0; total_error_1 += local_abs(error); last_error_0 = save; save = error; + error -= last_error_1; total_error_2 += local_abs(error); last_error_1 = save; save = error; + error -= last_error_2; total_error_3 += local_abs(error); last_error_2 = save; save = error; + error -= last_error_3; total_error_4 += local_abs(error); last_error_3 = save; + } + } + + /* prefer lower order */ + if(total_error_0 <= flac_min(flac_min(flac_min(total_error_1, total_error_2), total_error_3), total_error_4)) + order = 0; + else if(total_error_1 <= flac_min(flac_min(total_error_2, total_error_3), total_error_4)) + order = 1; + else if(total_error_2 <= flac_min(total_error_3, total_error_4)) + order = 2; + else if(total_error_3 <= total_error_4) + order = 3; + else + order = 4; + + /* Estimate the expected number of bits per residual signal sample. */ + /* 'total_error*' is linearly related to the variance of the residual */ + /* signal, so we use it directly to compute E(|x|) */ + FLAC__ASSERT(data_len > 0 || total_error_0 == 0); + FLAC__ASSERT(data_len > 0 || total_error_1 == 0); + FLAC__ASSERT(data_len > 0 || total_error_2 == 0); + FLAC__ASSERT(data_len > 0 || total_error_3 == 0); + FLAC__ASSERT(data_len > 0 || total_error_4 == 0); + + residual_bits_per_sample[0] = (float)((total_error_0 > 0) ? log(M_LN2 * (double)total_error_0 / (double)data_len) / M_LN2 : 0.0); + residual_bits_per_sample[1] = (float)((total_error_1 > 0) ? log(M_LN2 * (double)total_error_1 / (double)data_len) / M_LN2 : 0.0); + residual_bits_per_sample[2] = (float)((total_error_2 > 0) ? log(M_LN2 * (double)total_error_2 / (double)data_len) / M_LN2 : 0.0); + residual_bits_per_sample[3] = (float)((total_error_3 > 0) ? log(M_LN2 * (double)total_error_3 / (double)data_len) / M_LN2 : 0.0); + residual_bits_per_sample[4] = (float)((total_error_4 > 0) ? log(M_LN2 * (double)total_error_4 / (double)data_len) / M_LN2 : 0.0); + + return order; +} + +#endif /* FLAC__SSE2_SUPPORTED */ +#endif /* (FLAC__CPU_IA32 || FLAC__CPU_X86_64) && FLAC__HAS_X86INTRIN */ +#endif /* FLAC__NO_ASM */ +#endif /* FLAC__INTEGER_ONLY_LIBRARY */ diff --git a/src/libFLAC/fixed_intrin_sse42.c b/src/libFLAC/fixed_intrin_sse42.c new file mode 100644 index 0000000..0556eaa --- /dev/null +++ b/src/libFLAC/fixed_intrin_sse42.c @@ -0,0 +1,223 @@ +/* libFLAC - Free Lossless Audio Codec library + * Copyright (C) 2000-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * - Neither the name of the Xiph.org Foundation nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include "private/cpu.h" + +#ifndef FLAC__INTEGER_ONLY_LIBRARY +#ifndef FLAC__NO_ASM +#if (defined FLAC__CPU_IA32 || defined FLAC__CPU_X86_64) && FLAC__HAS_X86INTRIN +#include "private/fixed.h" +#ifdef FLAC__SSE4_2_SUPPORTED + +#include <nmmintrin.h> /* SSE4.2 */ +#include <math.h> +#include "private/macros.h" +#include "share/compat.h" +#include "FLAC/assert.h" + +#ifdef local_abs64 +#undef local_abs64 +#endif +#define local_abs64(x) ((uint64_t)((x)<0? -(x) : (x))) + +#define CHECK_ORDER_IS_VALID(macro_order) \ +if(shadow_error_##macro_order <= INT32_MAX) { \ + if(total_error_##macro_order < smallest_error) { \ + order = macro_order; \ + smallest_error = total_error_##macro_order ; \ + } \ + residual_bits_per_sample[ macro_order ] = (float)((total_error_0 > 0) ? log(M_LN2 * (double)total_error_0 / (double)data_len) / M_LN2 : 0.0); \ +} \ +else \ + residual_bits_per_sample[ macro_order ] = 34.0f; + +FLAC__SSE_TARGET("sse4.2") +uint32_t FLAC__fixed_compute_best_predictor_limit_residual_intrin_sse42(const FLAC__int32 data[], uint32_t data_len, float residual_bits_per_sample[FLAC__MAX_FIXED_ORDER + 1]) +{ + FLAC__uint64 total_error_0 = 0, total_error_1 = 0, total_error_2 = 0, total_error_3 = 0, total_error_4 = 0, smallest_error = UINT64_MAX; + FLAC__uint64 shadow_error_0 = 0, shadow_error_1 = 0, shadow_error_2 = 0, shadow_error_3 = 0, shadow_error_4 = 0; + FLAC__uint64 error_0, error_1, error_2, error_3, error_4; + FLAC__int32 i, data_len_int; + uint32_t order = 0; + __m128i total_err0, total_err1, total_err2, total_err3, total_err4; + __m128i shadow_err0, shadow_err1, shadow_err2, shadow_err3, shadow_err4; + __m128i prev_err0, prev_err1, prev_err2, prev_err3; + __m128i tempA, tempB, bitmask; + FLAC__int64 data_scalar[2]; + FLAC__int64 prev_err0_scalar[2]; + FLAC__int64 prev_err1_scalar[2]; + FLAC__int64 prev_err2_scalar[2]; + FLAC__int64 prev_err3_scalar[2]; + total_err0 = _mm_setzero_si128(); + total_err1 = _mm_setzero_si128(); + total_err2 = _mm_setzero_si128(); + total_err3 = _mm_setzero_si128(); + total_err4 = _mm_setzero_si128(); + shadow_err0 = _mm_setzero_si128(); + shadow_err1 = _mm_setzero_si128(); + shadow_err2 = _mm_setzero_si128(); + shadow_err3 = _mm_setzero_si128(); + shadow_err4 = _mm_setzero_si128(); + data_len_int = data_len; + + /* First take care of preceding samples */ + for(i = -4; i < 0; i++) { + error_0 = local_abs64((FLAC__int64)data[i]); + error_1 = (i > -4) ? local_abs64((FLAC__int64)data[i] - data[i-1]) : 0 ; + error_2 = (i > -3) ? local_abs64((FLAC__int64)data[i] - 2 * (FLAC__int64)data[i-1] + data[i-2]) : 0; + error_3 = (i > -2) ? local_abs64((FLAC__int64)data[i] - 3 * (FLAC__int64)data[i-1] + 3 * (FLAC__int64)data[i-2] - data[i-3]) : 0; + + total_error_0 += error_0; + total_error_1 += error_1; + total_error_2 += error_2; + total_error_3 += error_3; + + shadow_error_0 |= error_0; + shadow_error_1 |= error_1; + shadow_error_2 |= error_2; + shadow_error_3 |= error_3; + } + + for(i = 0; i < 2; i++){ + prev_err0_scalar[i] = data[-1+i*(data_len_int/2)]; + prev_err1_scalar[i] = (FLAC__int64)(data[-1+i*(data_len_int/2)]) - data[-2+i*(data_len_int/2)]; + prev_err2_scalar[i] = prev_err1_scalar[i] - ((FLAC__int64)(data[-2+i*(data_len_int/2)]) - data[-3+i*(data_len_int/2)]); + prev_err3_scalar[i] = prev_err2_scalar[i] - ((FLAC__int64)(data[-2+i*(data_len_int/2)]) - 2*(FLAC__int64)(data[-3+i*(data_len_int/2)]) + data[-4+i*(data_len_int/2)]); + } + prev_err0 = _mm_loadu_si128((const __m128i*)prev_err0_scalar); + prev_err1 = _mm_loadu_si128((const __m128i*)prev_err1_scalar); + prev_err2 = _mm_loadu_si128((const __m128i*)prev_err2_scalar); + prev_err3 = _mm_loadu_si128((const __m128i*)prev_err3_scalar); + for(i = 0; i < data_len_int / 2; i++){ + data_scalar[0] = data[i]; + data_scalar[1] = data[i+data_len/2]; + tempA = _mm_loadu_si128((const __m128i*)data_scalar); + /* Next three intrinsics calculate tempB as abs of tempA */ + bitmask = _mm_cmpgt_epi64(_mm_set1_epi64x(0), tempA); + tempB = _mm_xor_si128(tempA, bitmask); + tempB = _mm_sub_epi64(tempB, bitmask); + total_err0 = _mm_add_epi64(total_err0,tempB); + shadow_err0 = _mm_or_si128(shadow_err0,tempB); + tempB = _mm_sub_epi64(tempA,prev_err0); + prev_err0 = tempA; + /* Next three intrinsics calculate tempA as abs of tempB */ + bitmask = _mm_cmpgt_epi64(_mm_set1_epi64x(0), tempB); + tempA = _mm_xor_si128(tempB, bitmask); + tempA = _mm_sub_epi64(tempA, bitmask); + total_err1 = _mm_add_epi64(total_err1,tempA); + shadow_err1 = _mm_or_si128(shadow_err1,tempA); + tempA = _mm_sub_epi64(tempB,prev_err1); + prev_err1 = tempB; + /* Next three intrinsics calculate tempB as abs of tempA */ + bitmask = _mm_cmpgt_epi64(_mm_set1_epi64x(0), tempA); + tempB = _mm_xor_si128(tempA, bitmask); + tempB = _mm_sub_epi64(tempB, bitmask); + total_err2 = _mm_add_epi64(total_err2,tempB); + shadow_err2 = _mm_or_si128(shadow_err2,tempB); + tempB = _mm_sub_epi64(tempA,prev_err2); + prev_err2 = tempA; + /* Next three intrinsics calculate tempA as abs of tempB */ + bitmask = _mm_cmpgt_epi64(_mm_set1_epi64x(0), tempB); + tempA = _mm_xor_si128(tempB, bitmask); + tempA = _mm_sub_epi64(tempA, bitmask); + total_err3 = _mm_add_epi64(total_err3,tempA); + shadow_err3 = _mm_or_si128(shadow_err3,tempA); + tempA = _mm_sub_epi64(tempB,prev_err3); + prev_err3 = tempB; + /* Next three intrinsics calculate tempB as abs of tempA */ + bitmask = _mm_cmpgt_epi64(_mm_set1_epi64x(0), tempA); + tempB = _mm_xor_si128(tempA, bitmask); + tempB = _mm_sub_epi64(tempB, bitmask); + total_err4 = _mm_add_epi64(total_err4,tempB); + shadow_err4 = _mm_or_si128(shadow_err4,tempB); + } + _mm_storeu_si128((__m128i*)data_scalar,total_err0); + total_error_0 += data_scalar[0] + data_scalar[1]; + _mm_storeu_si128((__m128i*)data_scalar,total_err1); + total_error_1 += data_scalar[0] + data_scalar[1]; + _mm_storeu_si128((__m128i*)data_scalar,total_err2); + total_error_2 += data_scalar[0] + data_scalar[1]; + _mm_storeu_si128((__m128i*)data_scalar,total_err3); + total_error_3 += data_scalar[0] + data_scalar[1]; + _mm_storeu_si128((__m128i*)data_scalar,total_err4); + total_error_4 += data_scalar[0] + data_scalar[1]; + _mm_storeu_si128((__m128i*)data_scalar,shadow_err0); + shadow_error_0 |= data_scalar[0] | data_scalar[1]; + _mm_storeu_si128((__m128i*)data_scalar,shadow_err1); + shadow_error_1 |= data_scalar[0] | data_scalar[1]; + _mm_storeu_si128((__m128i*)data_scalar,shadow_err2); + shadow_error_2 |= data_scalar[0] | data_scalar[1]; + _mm_storeu_si128((__m128i*)data_scalar,shadow_err3); + shadow_error_3 |= data_scalar[0] | data_scalar[1]; + _mm_storeu_si128((__m128i*)data_scalar,shadow_err4); + shadow_error_4 |= data_scalar[0] | data_scalar[1]; + + /* Take care of remaining sample */ + if(data_len_int % 2 > 0) { + i += data_len/2; + error_0 = local_abs64((FLAC__int64)data[i]); + error_1 = local_abs64((FLAC__int64)data[i] - data[i-1]); + error_2 = local_abs64((FLAC__int64)data[i] - 2 * (FLAC__int64)data[i-1] + data[i-2]); + error_3 = local_abs64((FLAC__int64)data[i] - 3 * (FLAC__int64)data[i-1] + 3 * (FLAC__int64)data[i-2] - data[i-3]); + error_4 = local_abs64((FLAC__int64)data[i] - 4 * (FLAC__int64)data[i-1] + 6 * (FLAC__int64)data[i-2] - 4 * (FLAC__int64)data[i-3] + data[i-4]); + + total_error_0 += error_0; + total_error_1 += error_1; + total_error_2 += error_2; + total_error_3 += error_3; + total_error_4 += error_4; + + shadow_error_0 |= error_0; + shadow_error_1 |= error_1; + shadow_error_2 |= error_2; + shadow_error_3 |= error_3; + shadow_error_4 |= error_4; + } + + + CHECK_ORDER_IS_VALID(0); + CHECK_ORDER_IS_VALID(1); + CHECK_ORDER_IS_VALID(2); + CHECK_ORDER_IS_VALID(3); + CHECK_ORDER_IS_VALID(4); + + return order; +} + +#endif /* FLAC__SSE4_2_SUPPORTED */ +#endif /* (FLAC__CPU_IA32 || FLAC__CPU_X86_64) && FLAC__HAS_X86INTRIN */ +#endif /* FLAC__NO_ASM */ +#endif /* FLAC__INTEGER_ONLY_LIBRARY */ diff --git a/src/libFLAC/fixed_intrin_ssse3.c b/src/libFLAC/fixed_intrin_ssse3.c new file mode 100644 index 0000000..551693b --- /dev/null +++ b/src/libFLAC/fixed_intrin_ssse3.c @@ -0,0 +1,179 @@ +/* libFLAC - Free Lossless Audio Codec library + * Copyright (C) 2000-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * - Neither the name of the Xiph.org Foundation nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include "private/cpu.h" + +#ifndef FLAC__INTEGER_ONLY_LIBRARY +#ifndef FLAC__NO_ASM +#if (defined FLAC__CPU_IA32 || defined FLAC__CPU_X86_64) && FLAC__HAS_X86INTRIN +#include "private/fixed.h" +#ifdef FLAC__SSSE3_SUPPORTED + +#include <tmmintrin.h> /* SSSE3 */ +#include <math.h> +#include "private/macros.h" +#include "share/compat.h" +#include "FLAC/assert.h" + +#ifdef FLAC__CPU_IA32 +#define m128i_to_i64(dest, src) _mm_storel_epi64((__m128i*)&dest, src) +#else +#define m128i_to_i64(dest, src) dest = _mm_cvtsi128_si64(src) +#endif + +#ifdef local_abs +#undef local_abs +#endif +#define local_abs(x) ((uint32_t)((x)<0? -(x) : (x))) + +FLAC__SSE_TARGET("ssse3") +uint32_t FLAC__fixed_compute_best_predictor_intrin_ssse3(const FLAC__int32 data[], uint32_t data_len, float residual_bits_per_sample[FLAC__MAX_FIXED_ORDER + 1]) +{ + FLAC__uint32 total_error_0, total_error_1, total_error_2, total_error_3, total_error_4; + FLAC__int32 i, data_len_int; + uint32_t order; + __m128i total_err0, total_err1, total_err2, total_err3, total_err4; + __m128i prev_err0, prev_err1, prev_err2, prev_err3; + __m128i tempA, tempB; + FLAC__int32 data_scalar[4]; + FLAC__int32 prev_err0_scalar[4]; + FLAC__int32 prev_err1_scalar[4]; + FLAC__int32 prev_err2_scalar[4]; + FLAC__int32 prev_err3_scalar[4]; + total_err0 = _mm_setzero_si128(); + total_err1 = _mm_setzero_si128(); + total_err2 = _mm_setzero_si128(); + total_err3 = _mm_setzero_si128(); + total_err4 = _mm_setzero_si128(); + data_len_int = data_len; + + for(i = 0; i < 4; i++){ + prev_err0_scalar[i] = data[-1+i*(data_len_int/4)]; + prev_err1_scalar[i] = data[-1+i*(data_len_int/4)] - data[-2+i*(data_len_int/4)]; + prev_err2_scalar[i] = prev_err1_scalar[i] - (data[-2+i*(data_len_int/4)] - data[-3+i*(data_len_int/4)]); + prev_err3_scalar[i] = prev_err2_scalar[i] - (data[-2+i*(data_len_int/4)] - 2*data[-3+i*(data_len_int/4)] + data[-4+i*(data_len_int/4)]); + } + prev_err0 = _mm_loadu_si128((const __m128i*)prev_err0_scalar); + prev_err1 = _mm_loadu_si128((const __m128i*)prev_err1_scalar); + prev_err2 = _mm_loadu_si128((const __m128i*)prev_err2_scalar); + prev_err3 = _mm_loadu_si128((const __m128i*)prev_err3_scalar); + for(i = 0; i < data_len_int / 4; i++){ + data_scalar[0] = data[i]; + data_scalar[1] = data[i+data_len/4]; + data_scalar[2] = data[i+2*(data_len/4)]; + data_scalar[3] = data[i+3*(data_len/4)]; + tempA = _mm_loadu_si128((const __m128i*)data_scalar); + tempB = _mm_abs_epi32(tempA); + total_err0 = _mm_add_epi32(total_err0,tempB); + tempB = _mm_sub_epi32(tempA,prev_err0); + prev_err0 = tempA; + tempA = _mm_abs_epi32(tempB); + total_err1 = _mm_add_epi32(total_err1,tempA); + tempA = _mm_sub_epi32(tempB,prev_err1); + prev_err1 = tempB; + tempB = _mm_abs_epi32(tempA); + total_err2 = _mm_add_epi32(total_err2,tempB); + tempB = _mm_sub_epi32(tempA,prev_err2); + prev_err2 = tempA; + tempA = _mm_abs_epi32(tempB); + total_err3 = _mm_add_epi32(total_err3,tempA); + tempA = _mm_sub_epi32(tempB,prev_err3); + prev_err3 = tempB; + tempB = _mm_abs_epi32(tempA); + total_err4 = _mm_add_epi32(total_err4,tempB); + } + _mm_storeu_si128((__m128i*)data_scalar,total_err0); + total_error_0 = data_scalar[0] + data_scalar[1] + data_scalar[2] + data_scalar[3]; + _mm_storeu_si128((__m128i*)data_scalar,total_err1); + total_error_1 = data_scalar[0] + data_scalar[1] + data_scalar[2] + data_scalar[3]; + _mm_storeu_si128((__m128i*)data_scalar,total_err2); + total_error_2 = data_scalar[0] + data_scalar[1] + data_scalar[2] + data_scalar[3]; + _mm_storeu_si128((__m128i*)data_scalar,total_err3); + total_error_3 = data_scalar[0] + data_scalar[1] + data_scalar[2] + data_scalar[3]; + _mm_storeu_si128((__m128i*)data_scalar,total_err4); + total_error_4 = data_scalar[0] + data_scalar[1] + data_scalar[2] + data_scalar[3]; + + /* Now the remainder of samples needs to be processed */ + i *= 4; + if(data_len % 4 > 0){ + FLAC__int32 last_error_0 = data[i-1]; + FLAC__int32 last_error_1 = data[i-1] - data[i-2]; + FLAC__int32 last_error_2 = last_error_1 - (data[i-2] - data[i-3]); + FLAC__int32 last_error_3 = last_error_2 - (data[i-2] - 2*data[i-3] + data[i-4]); + FLAC__int32 error, save; + for(; i < data_len_int; i++) { + error = data[i] ; total_error_0 += local_abs(error); save = error; + error -= last_error_0; total_error_1 += local_abs(error); last_error_0 = save; save = error; + error -= last_error_1; total_error_2 += local_abs(error); last_error_1 = save; save = error; + error -= last_error_2; total_error_3 += local_abs(error); last_error_2 = save; save = error; + error -= last_error_3; total_error_4 += local_abs(error); last_error_3 = save; + } + } + + /* prefer lower order */ + if(total_error_0 <= flac_min(flac_min(flac_min(total_error_1, total_error_2), total_error_3), total_error_4)) + order = 0; + else if(total_error_1 <= flac_min(flac_min(total_error_2, total_error_3), total_error_4)) + order = 1; + else if(total_error_2 <= flac_min(total_error_3, total_error_4)) + order = 2; + else if(total_error_3 <= total_error_4) + order = 3; + else + order = 4; + + /* Estimate the expected number of bits per residual signal sample. */ + /* 'total_error*' is linearly related to the variance of the residual */ + /* signal, so we use it directly to compute E(|x|) */ + FLAC__ASSERT(data_len > 0 || total_error_0 == 0); + FLAC__ASSERT(data_len > 0 || total_error_1 == 0); + FLAC__ASSERT(data_len > 0 || total_error_2 == 0); + FLAC__ASSERT(data_len > 0 || total_error_3 == 0); + FLAC__ASSERT(data_len > 0 || total_error_4 == 0); + + residual_bits_per_sample[0] = (float)((total_error_0 > 0) ? log(M_LN2 * (double)total_error_0 / (double)data_len) / M_LN2 : 0.0); + residual_bits_per_sample[1] = (float)((total_error_1 > 0) ? log(M_LN2 * (double)total_error_1 / (double)data_len) / M_LN2 : 0.0); + residual_bits_per_sample[2] = (float)((total_error_2 > 0) ? log(M_LN2 * (double)total_error_2 / (double)data_len) / M_LN2 : 0.0); + residual_bits_per_sample[3] = (float)((total_error_3 > 0) ? log(M_LN2 * (double)total_error_3 / (double)data_len) / M_LN2 : 0.0); + residual_bits_per_sample[4] = (float)((total_error_4 > 0) ? log(M_LN2 * (double)total_error_4 / (double)data_len) / M_LN2 : 0.0); + + return order; +} + +#endif /* FLAC__SSSE3_SUPPORTED */ +#endif /* (FLAC__CPU_IA32 || FLAC__CPU_X86_64) && FLAC__HAS_X86INTRIN */ +#endif /* FLAC__NO_ASM */ +#endif /* FLAC__INTEGER_ONLY_LIBRARY */ diff --git a/src/libFLAC/flac.pc.in b/src/libFLAC/flac.pc.in new file mode 100644 index 0000000..56e8594 --- /dev/null +++ b/src/libFLAC/flac.pc.in @@ -0,0 +1,12 @@ +prefix=@prefix@ +exec_prefix=@exec_prefix@ +libdir=@libdir@ +includedir=@includedir@ + +Name: FLAC +Description: Free Lossless Audio Codec Library +Version: @VERSION@ +Requires.private: @OGG_PACKAGE@ +Libs: -L${libdir} -lFLAC +Libs.private: -lm +Cflags: -I${includedir} diff --git a/src/libFLAC/float.c b/src/libFLAC/float.c new file mode 100644 index 0000000..a06ad28 --- /dev/null +++ b/src/libFLAC/float.c @@ -0,0 +1,302 @@ +/* libFLAC - Free Lossless Audio Codec library + * Copyright (C) 2004-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * - Neither the name of the Xiph.org Foundation nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include "FLAC/assert.h" +#include "share/compat.h" +#include "private/float.h" + +#ifdef FLAC__INTEGER_ONLY_LIBRARY + +const FLAC__fixedpoint FLAC__FP_ZERO = 0; +const FLAC__fixedpoint FLAC__FP_ONE_HALF = 0x00008000; +const FLAC__fixedpoint FLAC__FP_ONE = 0x00010000; +const FLAC__fixedpoint FLAC__FP_LN2 = 45426; +const FLAC__fixedpoint FLAC__FP_E = 178145; + +/* Lookup tables for Knuth's logarithm algorithm */ +#define LOG2_LOOKUP_PRECISION 16 +static const FLAC__uint32 log2_lookup[][LOG2_LOOKUP_PRECISION] = { + { + /* + * 0 fraction bits + */ + /* undefined */ 0x00000000, + /* lg(2/1) = */ 0x00000001, + /* lg(4/3) = */ 0x00000000, + /* lg(8/7) = */ 0x00000000, + /* lg(16/15) = */ 0x00000000, + /* lg(32/31) = */ 0x00000000, + /* lg(64/63) = */ 0x00000000, + /* lg(128/127) = */ 0x00000000, + /* lg(256/255) = */ 0x00000000, + /* lg(512/511) = */ 0x00000000, + /* lg(1024/1023) = */ 0x00000000, + /* lg(2048/2047) = */ 0x00000000, + /* lg(4096/4095) = */ 0x00000000, + /* lg(8192/8191) = */ 0x00000000, + /* lg(16384/16383) = */ 0x00000000, + /* lg(32768/32767) = */ 0x00000000 + }, + { + /* + * 4 fraction bits + */ + /* undefined */ 0x00000000, + /* lg(2/1) = */ 0x00000010, + /* lg(4/3) = */ 0x00000007, + /* lg(8/7) = */ 0x00000003, + /* lg(16/15) = */ 0x00000001, + /* lg(32/31) = */ 0x00000001, + /* lg(64/63) = */ 0x00000000, + /* lg(128/127) = */ 0x00000000, + /* lg(256/255) = */ 0x00000000, + /* lg(512/511) = */ 0x00000000, + /* lg(1024/1023) = */ 0x00000000, + /* lg(2048/2047) = */ 0x00000000, + /* lg(4096/4095) = */ 0x00000000, + /* lg(8192/8191) = */ 0x00000000, + /* lg(16384/16383) = */ 0x00000000, + /* lg(32768/32767) = */ 0x00000000 + }, + { + /* + * 8 fraction bits + */ + /* undefined */ 0x00000000, + /* lg(2/1) = */ 0x00000100, + /* lg(4/3) = */ 0x0000006a, + /* lg(8/7) = */ 0x00000031, + /* lg(16/15) = */ 0x00000018, + /* lg(32/31) = */ 0x0000000c, + /* lg(64/63) = */ 0x00000006, + /* lg(128/127) = */ 0x00000003, + /* lg(256/255) = */ 0x00000001, + /* lg(512/511) = */ 0x00000001, + /* lg(1024/1023) = */ 0x00000000, + /* lg(2048/2047) = */ 0x00000000, + /* lg(4096/4095) = */ 0x00000000, + /* lg(8192/8191) = */ 0x00000000, + /* lg(16384/16383) = */ 0x00000000, + /* lg(32768/32767) = */ 0x00000000 + }, + { + /* + * 12 fraction bits + */ + /* undefined */ 0x00000000, + /* lg(2/1) = */ 0x00001000, + /* lg(4/3) = */ 0x000006a4, + /* lg(8/7) = */ 0x00000315, + /* lg(16/15) = */ 0x0000017d, + /* lg(32/31) = */ 0x000000bc, + /* lg(64/63) = */ 0x0000005d, + /* lg(128/127) = */ 0x0000002e, + /* lg(256/255) = */ 0x00000017, + /* lg(512/511) = */ 0x0000000c, + /* lg(1024/1023) = */ 0x00000006, + /* lg(2048/2047) = */ 0x00000003, + /* lg(4096/4095) = */ 0x00000001, + /* lg(8192/8191) = */ 0x00000001, + /* lg(16384/16383) = */ 0x00000000, + /* lg(32768/32767) = */ 0x00000000 + }, + { + /* + * 16 fraction bits + */ + /* undefined */ 0x00000000, + /* lg(2/1) = */ 0x00010000, + /* lg(4/3) = */ 0x00006a40, + /* lg(8/7) = */ 0x00003151, + /* lg(16/15) = */ 0x000017d6, + /* lg(32/31) = */ 0x00000bba, + /* lg(64/63) = */ 0x000005d1, + /* lg(128/127) = */ 0x000002e6, + /* lg(256/255) = */ 0x00000172, + /* lg(512/511) = */ 0x000000b9, + /* lg(1024/1023) = */ 0x0000005c, + /* lg(2048/2047) = */ 0x0000002e, + /* lg(4096/4095) = */ 0x00000017, + /* lg(8192/8191) = */ 0x0000000c, + /* lg(16384/16383) = */ 0x00000006, + /* lg(32768/32767) = */ 0x00000003 + }, + { + /* + * 20 fraction bits + */ + /* undefined */ 0x00000000, + /* lg(2/1) = */ 0x00100000, + /* lg(4/3) = */ 0x0006a3fe, + /* lg(8/7) = */ 0x00031513, + /* lg(16/15) = */ 0x00017d60, + /* lg(32/31) = */ 0x0000bb9d, + /* lg(64/63) = */ 0x00005d10, + /* lg(128/127) = */ 0x00002e59, + /* lg(256/255) = */ 0x00001721, + /* lg(512/511) = */ 0x00000b8e, + /* lg(1024/1023) = */ 0x000005c6, + /* lg(2048/2047) = */ 0x000002e3, + /* lg(4096/4095) = */ 0x00000171, + /* lg(8192/8191) = */ 0x000000b9, + /* lg(16384/16383) = */ 0x0000005c, + /* lg(32768/32767) = */ 0x0000002e + }, + { + /* + * 24 fraction bits + */ + /* undefined */ 0x00000000, + /* lg(2/1) = */ 0x01000000, + /* lg(4/3) = */ 0x006a3fe6, + /* lg(8/7) = */ 0x00315130, + /* lg(16/15) = */ 0x0017d605, + /* lg(32/31) = */ 0x000bb9ca, + /* lg(64/63) = */ 0x0005d0fc, + /* lg(128/127) = */ 0x0002e58f, + /* lg(256/255) = */ 0x0001720e, + /* lg(512/511) = */ 0x0000b8d8, + /* lg(1024/1023) = */ 0x00005c61, + /* lg(2048/2047) = */ 0x00002e2d, + /* lg(4096/4095) = */ 0x00001716, + /* lg(8192/8191) = */ 0x00000b8b, + /* lg(16384/16383) = */ 0x000005c5, + /* lg(32768/32767) = */ 0x000002e3 + }, + { + /* + * 28 fraction bits + */ + /* undefined */ 0x00000000, + /* lg(2/1) = */ 0x10000000, + /* lg(4/3) = */ 0x06a3fe5c, + /* lg(8/7) = */ 0x03151301, + /* lg(16/15) = */ 0x017d6049, + /* lg(32/31) = */ 0x00bb9ca6, + /* lg(64/63) = */ 0x005d0fba, + /* lg(128/127) = */ 0x002e58f7, + /* lg(256/255) = */ 0x001720da, + /* lg(512/511) = */ 0x000b8d87, + /* lg(1024/1023) = */ 0x0005c60b, + /* lg(2048/2047) = */ 0x0002e2d7, + /* lg(4096/4095) = */ 0x00017160, + /* lg(8192/8191) = */ 0x0000b8ad, + /* lg(16384/16383) = */ 0x00005c56, + /* lg(32768/32767) = */ 0x00002e2b + } +}; + +#if 0 +static const FLAC__uint64 log2_lookup_wide[] = { + { + /* + * 32 fraction bits + */ + /* undefined */ 0x00000000, + /* lg(2/1) = */ FLAC__U64L(0x100000000), + /* lg(4/3) = */ FLAC__U64L(0x6a3fe5c6), + /* lg(8/7) = */ FLAC__U64L(0x31513015), + /* lg(16/15) = */ FLAC__U64L(0x17d60497), + /* lg(32/31) = */ FLAC__U64L(0x0bb9ca65), + /* lg(64/63) = */ FLAC__U64L(0x05d0fba2), + /* lg(128/127) = */ FLAC__U64L(0x02e58f74), + /* lg(256/255) = */ FLAC__U64L(0x01720d9c), + /* lg(512/511) = */ FLAC__U64L(0x00b8d875), + /* lg(1024/1023) = */ FLAC__U64L(0x005c60aa), + /* lg(2048/2047) = */ FLAC__U64L(0x002e2d72), + /* lg(4096/4095) = */ FLAC__U64L(0x00171600), + /* lg(8192/8191) = */ FLAC__U64L(0x000b8ad2), + /* lg(16384/16383) = */ FLAC__U64L(0x0005c55d), + /* lg(32768/32767) = */ FLAC__U64L(0x0002e2ac) + }, + { + /* + * 48 fraction bits + */ + /* undefined */ 0x00000000, + /* lg(2/1) = */ FLAC__U64L(0x1000000000000), + /* lg(4/3) = */ FLAC__U64L(0x6a3fe5c60429), + /* lg(8/7) = */ FLAC__U64L(0x315130157f7a), + /* lg(16/15) = */ FLAC__U64L(0x17d60496cfbb), + /* lg(32/31) = */ FLAC__U64L(0xbb9ca64ecac), + /* lg(64/63) = */ FLAC__U64L(0x5d0fba187cd), + /* lg(128/127) = */ FLAC__U64L(0x2e58f7441ee), + /* lg(256/255) = */ FLAC__U64L(0x1720d9c06a8), + /* lg(512/511) = */ FLAC__U64L(0xb8d8752173), + /* lg(1024/1023) = */ FLAC__U64L(0x5c60aa252e), + /* lg(2048/2047) = */ FLAC__U64L(0x2e2d71b0d8), + /* lg(4096/4095) = */ FLAC__U64L(0x1716001719), + /* lg(8192/8191) = */ FLAC__U64L(0xb8ad1de1b), + /* lg(16384/16383) = */ FLAC__U64L(0x5c55d640d), + /* lg(32768/32767) = */ FLAC__U64L(0x2e2abcf52) + } +}; +#endif + +FLAC__uint32 FLAC__fixedpoint_log2(FLAC__uint32 x, uint32_t fracbits, uint32_t precision) +{ + const FLAC__uint32 ONE = (1u << fracbits); + const FLAC__uint32 *table = log2_lookup[fracbits >> 2]; + + FLAC__ASSERT(fracbits < 32); + FLAC__ASSERT((fracbits & 0x3) == 0); + + if(x < ONE) + return 0; + + if(precision > LOG2_LOOKUP_PRECISION) + precision = LOG2_LOOKUP_PRECISION; + + /* Knuth's algorithm for computing logarithms, optimized for base-2 with lookup tables */ + { + FLAC__uint32 y = 0; + FLAC__uint32 z = x >> 1, k = 1; + while (x > ONE && k < precision) { + if (x - z >= ONE) { + x -= z; + z = x >> k; + y += table[k]; + } + else { + z >>= 1; + k++; + } + } + return y; + } +} + +#endif /* defined FLAC__INTEGER_ONLY_LIBRARY */ diff --git a/src/libFLAC/format.c b/src/libFLAC/format.c new file mode 100644 index 0000000..8bbffbe --- /dev/null +++ b/src/libFLAC/format.c @@ -0,0 +1,608 @@ +/* libFLAC - Free Lossless Audio Codec library + * Copyright (C) 2000-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * - Neither the name of the Xiph.org Foundation nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include <stdio.h> +#include <stdlib.h> /* for qsort() */ +#include <string.h> /* for memset() */ +#include "FLAC/assert.h" +#include "FLAC/format.h" +#include "share/alloc.h" +#include "share/compat.h" +#include "private/format.h" +#include "private/macros.h" + +#if (defined GIT_COMMIT_HASH && defined GIT_COMMIT_DATE) +# ifdef GIT_COMMIT_TAG +FLAC_API const char *FLAC__VERSION_STRING = GIT_COMMIT_TAG; +FLAC_API const char *FLAC__VENDOR_STRING = "reference libFLAC " GIT_COMMIT_TAG " " GIT_COMMIT_DATE; +# else +FLAC_API const char *FLAC__VERSION_STRING = "git-" GIT_COMMIT_HASH " " GIT_COMMIT_DATE; +FLAC_API const char *FLAC__VENDOR_STRING = "reference libFLAC git-" GIT_COMMIT_HASH " " GIT_COMMIT_DATE; +# endif +#else +/* PACKAGE_VERSION should come from configure */ +FLAC_API const char *FLAC__VERSION_STRING = PACKAGE_VERSION; +FLAC_API const char *FLAC__VENDOR_STRING = "reference libFLAC " PACKAGE_VERSION " 20230623"; +#endif + +FLAC_API const FLAC__byte FLAC__STREAM_SYNC_STRING[4] = { 'f','L','a','C' }; +FLAC_API const uint32_t FLAC__STREAM_SYNC = 0x664C6143; +FLAC_API const uint32_t FLAC__STREAM_SYNC_LEN = 32; /* bits */ + +FLAC_API const uint32_t FLAC__STREAM_METADATA_STREAMINFO_MIN_BLOCK_SIZE_LEN = 16; /* bits */ +FLAC_API const uint32_t FLAC__STREAM_METADATA_STREAMINFO_MAX_BLOCK_SIZE_LEN = 16; /* bits */ +FLAC_API const uint32_t FLAC__STREAM_METADATA_STREAMINFO_MIN_FRAME_SIZE_LEN = 24; /* bits */ +FLAC_API const uint32_t FLAC__STREAM_METADATA_STREAMINFO_MAX_FRAME_SIZE_LEN = 24; /* bits */ +FLAC_API const uint32_t FLAC__STREAM_METADATA_STREAMINFO_SAMPLE_RATE_LEN = 20; /* bits */ +FLAC_API const uint32_t FLAC__STREAM_METADATA_STREAMINFO_CHANNELS_LEN = 3; /* bits */ +FLAC_API const uint32_t FLAC__STREAM_METADATA_STREAMINFO_BITS_PER_SAMPLE_LEN = 5; /* bits */ +FLAC_API const uint32_t FLAC__STREAM_METADATA_STREAMINFO_TOTAL_SAMPLES_LEN = 36; /* bits */ +FLAC_API const uint32_t FLAC__STREAM_METADATA_STREAMINFO_MD5SUM_LEN = 128; /* bits */ + +FLAC_API const uint32_t FLAC__STREAM_METADATA_APPLICATION_ID_LEN = 32; /* bits */ + +FLAC_API const uint32_t FLAC__STREAM_METADATA_SEEKPOINT_SAMPLE_NUMBER_LEN = 64; /* bits */ +FLAC_API const uint32_t FLAC__STREAM_METADATA_SEEKPOINT_STREAM_OFFSET_LEN = 64; /* bits */ +FLAC_API const uint32_t FLAC__STREAM_METADATA_SEEKPOINT_FRAME_SAMPLES_LEN = 16; /* bits */ + +FLAC_API const FLAC__uint64 FLAC__STREAM_METADATA_SEEKPOINT_PLACEHOLDER = FLAC__U64L(0xffffffffffffffff); + +FLAC_API const uint32_t FLAC__STREAM_METADATA_VORBIS_COMMENT_ENTRY_LENGTH_LEN = 32; /* bits */ +FLAC_API const uint32_t FLAC__STREAM_METADATA_VORBIS_COMMENT_NUM_COMMENTS_LEN = 32; /* bits */ + +FLAC_API const uint32_t FLAC__STREAM_METADATA_CUESHEET_INDEX_OFFSET_LEN = 64; /* bits */ +FLAC_API const uint32_t FLAC__STREAM_METADATA_CUESHEET_INDEX_NUMBER_LEN = 8; /* bits */ +FLAC_API const uint32_t FLAC__STREAM_METADATA_CUESHEET_INDEX_RESERVED_LEN = 3*8; /* bits */ + +FLAC_API const uint32_t FLAC__STREAM_METADATA_CUESHEET_TRACK_OFFSET_LEN = 64; /* bits */ +FLAC_API const uint32_t FLAC__STREAM_METADATA_CUESHEET_TRACK_NUMBER_LEN = 8; /* bits */ +FLAC_API const uint32_t FLAC__STREAM_METADATA_CUESHEET_TRACK_ISRC_LEN = 12*8; /* bits */ +FLAC_API const uint32_t FLAC__STREAM_METADATA_CUESHEET_TRACK_TYPE_LEN = 1; /* bit */ +FLAC_API const uint32_t FLAC__STREAM_METADATA_CUESHEET_TRACK_PRE_EMPHASIS_LEN = 1; /* bit */ +FLAC_API const uint32_t FLAC__STREAM_METADATA_CUESHEET_TRACK_RESERVED_LEN = 6+13*8; /* bits */ +FLAC_API const uint32_t FLAC__STREAM_METADATA_CUESHEET_TRACK_NUM_INDICES_LEN = 8; /* bits */ + +FLAC_API const uint32_t FLAC__STREAM_METADATA_CUESHEET_MEDIA_CATALOG_NUMBER_LEN = 128*8; /* bits */ +FLAC_API const uint32_t FLAC__STREAM_METADATA_CUESHEET_LEAD_IN_LEN = 64; /* bits */ +FLAC_API const uint32_t FLAC__STREAM_METADATA_CUESHEET_IS_CD_LEN = 1; /* bit */ +FLAC_API const uint32_t FLAC__STREAM_METADATA_CUESHEET_RESERVED_LEN = 7+258*8; /* bits */ +FLAC_API const uint32_t FLAC__STREAM_METADATA_CUESHEET_NUM_TRACKS_LEN = 8; /* bits */ + +FLAC_API const uint32_t FLAC__STREAM_METADATA_PICTURE_TYPE_LEN = 32; /* bits */ +FLAC_API const uint32_t FLAC__STREAM_METADATA_PICTURE_MIME_TYPE_LENGTH_LEN = 32; /* bits */ +FLAC_API const uint32_t FLAC__STREAM_METADATA_PICTURE_DESCRIPTION_LENGTH_LEN = 32; /* bits */ +FLAC_API const uint32_t FLAC__STREAM_METADATA_PICTURE_WIDTH_LEN = 32; /* bits */ +FLAC_API const uint32_t FLAC__STREAM_METADATA_PICTURE_HEIGHT_LEN = 32; /* bits */ +FLAC_API const uint32_t FLAC__STREAM_METADATA_PICTURE_DEPTH_LEN = 32; /* bits */ +FLAC_API const uint32_t FLAC__STREAM_METADATA_PICTURE_COLORS_LEN = 32; /* bits */ +FLAC_API const uint32_t FLAC__STREAM_METADATA_PICTURE_DATA_LENGTH_LEN = 32; /* bits */ + +FLAC_API const uint32_t FLAC__STREAM_METADATA_IS_LAST_LEN = 1; /* bits */ +FLAC_API const uint32_t FLAC__STREAM_METADATA_TYPE_LEN = 7; /* bits */ +FLAC_API const uint32_t FLAC__STREAM_METADATA_LENGTH_LEN = 24; /* bits */ + +FLAC_API const uint32_t FLAC__FRAME_HEADER_SYNC = 0x3ffe; +FLAC_API const uint32_t FLAC__FRAME_HEADER_SYNC_LEN = 14; /* bits */ +FLAC_API const uint32_t FLAC__FRAME_HEADER_RESERVED_LEN = 1; /* bits */ +FLAC_API const uint32_t FLAC__FRAME_HEADER_BLOCKING_STRATEGY_LEN = 1; /* bits */ +FLAC_API const uint32_t FLAC__FRAME_HEADER_BLOCK_SIZE_LEN = 4; /* bits */ +FLAC_API const uint32_t FLAC__FRAME_HEADER_SAMPLE_RATE_LEN = 4; /* bits */ +FLAC_API const uint32_t FLAC__FRAME_HEADER_CHANNEL_ASSIGNMENT_LEN = 4; /* bits */ +FLAC_API const uint32_t FLAC__FRAME_HEADER_BITS_PER_SAMPLE_LEN = 3; /* bits */ +FLAC_API const uint32_t FLAC__FRAME_HEADER_ZERO_PAD_LEN = 1; /* bits */ +FLAC_API const uint32_t FLAC__FRAME_HEADER_CRC_LEN = 8; /* bits */ + +FLAC_API const uint32_t FLAC__FRAME_FOOTER_CRC_LEN = 16; /* bits */ + +FLAC_API const uint32_t FLAC__ENTROPY_CODING_METHOD_TYPE_LEN = 2; /* bits */ +FLAC_API const uint32_t FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ORDER_LEN = 4; /* bits */ +FLAC_API const uint32_t FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_PARAMETER_LEN = 4; /* bits */ +FLAC_API const uint32_t FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2_PARAMETER_LEN = 5; /* bits */ +FLAC_API const uint32_t FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_RAW_LEN = 5; /* bits */ + +FLAC_API const uint32_t FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ESCAPE_PARAMETER = 15; /* == (1<<FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_PARAMETER_LEN)-1 */ +FLAC_API const uint32_t FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2_ESCAPE_PARAMETER = 31; /* == (1<<FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2_PARAMETER_LEN)-1 */ + +FLAC_API const char * const FLAC__EntropyCodingMethodTypeString[] = { + "PARTITIONED_RICE", + "PARTITIONED_RICE2" +}; + +FLAC_API const uint32_t FLAC__SUBFRAME_LPC_QLP_COEFF_PRECISION_LEN = 4; /* bits */ +FLAC_API const uint32_t FLAC__SUBFRAME_LPC_QLP_SHIFT_LEN = 5; /* bits */ + +FLAC_API const uint32_t FLAC__SUBFRAME_ZERO_PAD_LEN = 1; /* bits */ +FLAC_API const uint32_t FLAC__SUBFRAME_TYPE_LEN = 6; /* bits */ +FLAC_API const uint32_t FLAC__SUBFRAME_WASTED_BITS_FLAG_LEN = 1; /* bits */ + +FLAC_API const uint32_t FLAC__SUBFRAME_TYPE_CONSTANT_BYTE_ALIGNED_MASK = 0x00; +FLAC_API const uint32_t FLAC__SUBFRAME_TYPE_VERBATIM_BYTE_ALIGNED_MASK = 0x02; +FLAC_API const uint32_t FLAC__SUBFRAME_TYPE_FIXED_BYTE_ALIGNED_MASK = 0x10; +FLAC_API const uint32_t FLAC__SUBFRAME_TYPE_LPC_BYTE_ALIGNED_MASK = 0x40; + +FLAC_API const char * const FLAC__SubframeTypeString[] = { + "CONSTANT", + "VERBATIM", + "FIXED", + "LPC" +}; + +FLAC_API const char * const FLAC__ChannelAssignmentString[] = { + "INDEPENDENT", + "LEFT_SIDE", + "RIGHT_SIDE", + "MID_SIDE" +}; + +FLAC_API const char * const FLAC__FrameNumberTypeString[] = { + "FRAME_NUMBER_TYPE_FRAME_NUMBER", + "FRAME_NUMBER_TYPE_SAMPLE_NUMBER" +}; + +FLAC_API const char * const FLAC__MetadataTypeString[] = { + "STREAMINFO", + "PADDING", + "APPLICATION", + "SEEKTABLE", + "VORBIS_COMMENT", + "CUESHEET", + "PICTURE" +}; + +FLAC_API const char * const FLAC__StreamMetadata_Picture_TypeString[] = { + "Other", + "32x32 pixels 'file icon' (PNG only)", + "Other file icon", + "Cover (front)", + "Cover (back)", + "Leaflet page", + "Media (e.g. label side of CD)", + "Lead artist/lead performer/soloist", + "Artist/performer", + "Conductor", + "Band/Orchestra", + "Composer", + "Lyricist/text writer", + "Recording Location", + "During recording", + "During performance", + "Movie/video screen capture", + "A bright coloured fish", + "Illustration", + "Band/artist logotype", + "Publisher/Studio logotype" +}; + +FLAC_API FLAC__bool FLAC__format_sample_rate_is_valid(uint32_t sample_rate) +{ + if(sample_rate > FLAC__MAX_SAMPLE_RATE) { + return false; + } + else + return true; +} + +FLAC_API FLAC__bool FLAC__format_blocksize_is_subset(uint32_t blocksize, uint32_t sample_rate) +{ + if(blocksize > 16384) + return false; + else if(sample_rate <= 48000 && blocksize > 4608) + return false; + else + return true; +} + +FLAC_API FLAC__bool FLAC__format_sample_rate_is_subset(uint32_t sample_rate) +{ + if( // sample rate is not subset if + !FLAC__format_sample_rate_is_valid(sample_rate) || // sample rate is invalid or + sample_rate >= ((1u << 16) * 10) || // sample rate is larger then or equal to 655360 or + (sample_rate >= (1u << 16) && sample_rate % 10 != 0) //sample rate is >= 65536 and not divisible by 10 + ) { + return false; + } + else + return true; +} + +/* @@@@ add to unit tests; it is already indirectly tested by the metadata_object tests */ +FLAC_API FLAC__bool FLAC__format_seektable_is_legal(const FLAC__StreamMetadata_SeekTable *seek_table) +{ + uint32_t i; + FLAC__uint64 prev_sample_number = 0; + FLAC__bool got_prev = false; + + FLAC__ASSERT(0 != seek_table); + + if((FLAC__uint64)(seek_table->num_points) * FLAC__STREAM_METADATA_SEEKPOINT_LENGTH >= (1u << FLAC__STREAM_METADATA_LENGTH_LEN)) + return false; + + for(i = 0; i < seek_table->num_points; i++) { + if(got_prev) { + if( + seek_table->points[i].sample_number != FLAC__STREAM_METADATA_SEEKPOINT_PLACEHOLDER && + seek_table->points[i].sample_number <= prev_sample_number + ) + return false; + } + prev_sample_number = seek_table->points[i].sample_number; + got_prev = true; + } + + return true; +} + +/* used as the sort predicate for qsort() */ +static int seekpoint_compare_(const FLAC__StreamMetadata_SeekPoint *l, const FLAC__StreamMetadata_SeekPoint *r) +{ + /* we don't just 'return l->sample_number - r->sample_number' since the result (FLAC__int64) might overflow an 'int' */ + if(l->sample_number == r->sample_number) + return 0; + else if(l->sample_number < r->sample_number) + return -1; + else + return 1; +} + +/* @@@@ add to unit tests; it is already indirectly tested by the metadata_object tests */ +FLAC_API uint32_t FLAC__format_seektable_sort(FLAC__StreamMetadata_SeekTable *seek_table) +{ + uint32_t i, j; + FLAC__bool first; + + FLAC__ASSERT(0 != seek_table); + + if (seek_table->num_points == 0) + return 0; + + /* sort the seekpoints */ + qsort(seek_table->points, seek_table->num_points, sizeof(FLAC__StreamMetadata_SeekPoint), (int (*)(const void *, const void *))seekpoint_compare_); + + /* uniquify the seekpoints */ + first = true; + for(i = j = 0; i < seek_table->num_points; i++) { + if(seek_table->points[i].sample_number != FLAC__STREAM_METADATA_SEEKPOINT_PLACEHOLDER) { + if(!first) { + if(seek_table->points[i].sample_number == seek_table->points[j-1].sample_number) + continue; + } + } + first = false; + seek_table->points[j++] = seek_table->points[i]; + } + + for(i = j; i < seek_table->num_points; i++) { + seek_table->points[i].sample_number = FLAC__STREAM_METADATA_SEEKPOINT_PLACEHOLDER; + seek_table->points[i].stream_offset = 0; + seek_table->points[i].frame_samples = 0; + } + + return j; +} + +/* + * also disallows non-shortest-form encodings, c.f. + * http://www.unicode.org/versions/corrigendum1.html + * and a more clear explanation at the end of this section: + * http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8 + */ +static uint32_t utf8len_(const FLAC__byte *utf8) +{ + FLAC__ASSERT(0 != utf8); + if ((utf8[0] & 0x80) == 0) { + return 1; + } + else if ((utf8[0] & 0xE0) == 0xC0 && (utf8[1] & 0xC0) == 0x80) { + if ((utf8[0] & 0xFE) == 0xC0) /* overlong sequence check */ + return 0; + return 2; + } + else if ((utf8[0] & 0xF0) == 0xE0 && (utf8[1] & 0xC0) == 0x80 && (utf8[2] & 0xC0) == 0x80) { + if (utf8[0] == 0xE0 && (utf8[1] & 0xE0) == 0x80) /* overlong sequence check */ + return 0; + /* illegal surrogates check (U+D800...U+DFFF and U+FFFE...U+FFFF) */ + if (utf8[0] == 0xED && (utf8[1] & 0xE0) == 0xA0) /* D800-DFFF */ + return 0; + if (utf8[0] == 0xEF && utf8[1] == 0xBF && (utf8[2] & 0xFE) == 0xBE) /* FFFE-FFFF */ + return 0; + return 3; + } + else if ((utf8[0] & 0xF8) == 0xF0 && (utf8[1] & 0xC0) == 0x80 && (utf8[2] & 0xC0) == 0x80 && (utf8[3] & 0xC0) == 0x80) { + if (utf8[0] == 0xF0 && (utf8[1] & 0xF0) == 0x80) /* overlong sequence check */ + return 0; + return 4; + } + else if ((utf8[0] & 0xFC) == 0xF8 && (utf8[1] & 0xC0) == 0x80 && (utf8[2] & 0xC0) == 0x80 && (utf8[3] & 0xC0) == 0x80 && (utf8[4] & 0xC0) == 0x80) { + if (utf8[0] == 0xF8 && (utf8[1] & 0xF8) == 0x80) /* overlong sequence check */ + return 0; + return 5; + } + else if ((utf8[0] & 0xFE) == 0xFC && (utf8[1] & 0xC0) == 0x80 && (utf8[2] & 0xC0) == 0x80 && (utf8[3] & 0xC0) == 0x80 && (utf8[4] & 0xC0) == 0x80 && (utf8[5] & 0xC0) == 0x80) { + if (utf8[0] == 0xFC && (utf8[1] & 0xFC) == 0x80) /* overlong sequence check */ + return 0; + return 6; + } + else { + return 0; + } +} + +FLAC_API FLAC__bool FLAC__format_vorbiscomment_entry_name_is_legal(const char *name) +{ + char c; + for(c = *name; c; c = *(++name)) + if(c < 0x20 || c == 0x3d || c > 0x7d) + return false; + return true; +} + +FLAC_API FLAC__bool FLAC__format_vorbiscomment_entry_value_is_legal(const FLAC__byte *value, uint32_t length) +{ + if(length == (uint32_t)(-1)) { + while(*value) { + uint32_t n = utf8len_(value); + if(n == 0) + return false; + value += n; + } + } + else { + const FLAC__byte *end = value + length; + while(value < end) { + uint32_t n = utf8len_(value); + if(n == 0) + return false; + value += n; + } + if(value != end) + return false; + } + return true; +} + +FLAC_API FLAC__bool FLAC__format_vorbiscomment_entry_is_legal(const FLAC__byte *entry, uint32_t length) +{ + const FLAC__byte *s, *end; + + for(s = entry, end = s + length; s < end && *s != '='; s++) { + if(*s < 0x20 || *s > 0x7D) + return false; + } + if(s == end) + return false; + + s++; /* skip '=' */ + + while(s < end) { + uint32_t n = utf8len_(s); + if(n == 0) + return false; + s += n; + } + if(s != end) + return false; + + return true; +} + +/* @@@@ add to unit tests; it is already indirectly tested by the metadata_object tests */ +FLAC_API FLAC__bool FLAC__format_cuesheet_is_legal(const FLAC__StreamMetadata_CueSheet *cue_sheet, FLAC__bool check_cd_da_subset, const char **violation) +{ + uint32_t i, j; + + if(check_cd_da_subset) { + if(cue_sheet->lead_in < 2 * 44100) { + if(violation) *violation = "CD-DA cue sheet must have a lead-in length of at least 2 seconds"; + return false; + } + if(cue_sheet->lead_in % 588 != 0) { + if(violation) *violation = "CD-DA cue sheet lead-in length must be evenly divisible by 588 samples"; + return false; + } + } + + if(cue_sheet->num_tracks == 0) { + if(violation) *violation = "cue sheet must have at least one track (the lead-out)"; + return false; + } + + if(check_cd_da_subset && cue_sheet->tracks[cue_sheet->num_tracks-1].number != 170) { + if(violation) *violation = "CD-DA cue sheet must have a lead-out track number 170 (0xAA)"; + return false; + } + + for(i = 0; i < cue_sheet->num_tracks; i++) { + if(cue_sheet->tracks[i].number == 0) { + if(violation) *violation = "cue sheet may not have a track number 0"; + return false; + } + + if(check_cd_da_subset) { + if(!((cue_sheet->tracks[i].number >= 1 && cue_sheet->tracks[i].number <= 99) || cue_sheet->tracks[i].number == 170)) { + if(violation) *violation = "CD-DA cue sheet track number must be 1-99 or 170"; + return false; + } + } + + if(check_cd_da_subset && cue_sheet->tracks[i].offset % 588 != 0) { + if(violation) { + if(i == cue_sheet->num_tracks-1) /* the lead-out track... */ + *violation = "CD-DA cue sheet lead-out offset must be evenly divisible by 588 samples"; + else + *violation = "CD-DA cue sheet track offset must be evenly divisible by 588 samples"; + } + return false; + } + + if(i < cue_sheet->num_tracks - 1) { + if(cue_sheet->tracks[i].num_indices == 0) { + if(violation) *violation = "cue sheet track must have at least one index point"; + return false; + } + + if(cue_sheet->tracks[i].indices[0].number > 1) { + if(violation) *violation = "cue sheet track's first index number must be 0 or 1"; + return false; + } + } + + for(j = 0; j < cue_sheet->tracks[i].num_indices; j++) { + if(check_cd_da_subset && cue_sheet->tracks[i].indices[j].offset % 588 != 0) { + if(violation) *violation = "CD-DA cue sheet track index offset must be evenly divisible by 588 samples"; + return false; + } + + if(j > 0) { + if(cue_sheet->tracks[i].indices[j].number != cue_sheet->tracks[i].indices[j-1].number + 1) { + if(violation) *violation = "cue sheet track index numbers must increase by 1"; + return false; + } + } + } + } + + return true; +} + +/* @@@@ add to unit tests; it is already indirectly tested by the metadata_object tests */ +FLAC_API FLAC__bool FLAC__format_picture_is_legal(const FLAC__StreamMetadata_Picture *picture, const char **violation) +{ + char *p; + FLAC__byte *b; + + for(p = picture->mime_type; *p; p++) { + if(*p < 0x20 || *p > 0x7e) { + if(violation) *violation = "MIME type string must contain only printable ASCII characters (0x20-0x7e)"; + return false; + } + } + + for(b = picture->description; *b; ) { + uint32_t n = utf8len_(b); + if(n == 0) { + if(violation) *violation = "description string must be valid UTF-8"; + return false; + } + b += n; + } + + return true; +} + +/* + * These routines are private to libFLAC + */ +#if 0 /* UNUSED */ +uint32_t FLAC__format_get_max_rice_partition_order(uint32_t blocksize, uint32_t predictor_order) +{ + return + FLAC__format_get_max_rice_partition_order_from_blocksize_limited_max_and_predictor_order( + FLAC__format_get_max_rice_partition_order_from_blocksize(blocksize), + blocksize, + predictor_order + ); +} +#endif + +uint32_t FLAC__format_get_max_rice_partition_order_from_blocksize(uint32_t blocksize) +{ + uint32_t max_rice_partition_order = 0; + while(!(blocksize & 1)) { + max_rice_partition_order++; + blocksize >>= 1; + } + return flac_min(FLAC__MAX_RICE_PARTITION_ORDER, max_rice_partition_order); +} + +uint32_t FLAC__format_get_max_rice_partition_order_from_blocksize_limited_max_and_predictor_order(uint32_t limit, uint32_t blocksize, uint32_t predictor_order) +{ + uint32_t max_rice_partition_order = limit; + + while(max_rice_partition_order > 0 && (blocksize >> max_rice_partition_order) <= predictor_order) + max_rice_partition_order--; + + FLAC__ASSERT( + (max_rice_partition_order == 0 && blocksize >= predictor_order) || + (max_rice_partition_order > 0 && blocksize >> max_rice_partition_order > predictor_order) + ); + + return max_rice_partition_order; +} + +void FLAC__format_entropy_coding_method_partitioned_rice_contents_init(FLAC__EntropyCodingMethod_PartitionedRiceContents *object) +{ + FLAC__ASSERT(0 != object); + + object->parameters = 0; + object->raw_bits = 0; + object->capacity_by_order = 0; +} + +void FLAC__format_entropy_coding_method_partitioned_rice_contents_clear(FLAC__EntropyCodingMethod_PartitionedRiceContents *object) +{ + FLAC__ASSERT(0 != object); + + if(0 != object->parameters) + free(object->parameters); + if(0 != object->raw_bits) + free(object->raw_bits); + FLAC__format_entropy_coding_method_partitioned_rice_contents_init(object); +} + +#if defined(_MSC_VER) +// silence three MSVC warnings 'result of 32-bit shift implicitly converted to 64 bits (was 64-bit shift intended?)' +#pragma warning ( disable : 4334 ) +#endif + +FLAC__bool FLAC__format_entropy_coding_method_partitioned_rice_contents_ensure_size(FLAC__EntropyCodingMethod_PartitionedRiceContents *object, uint32_t max_partition_order) +{ + FLAC__ASSERT(0 != object); + + if(object->capacity_by_order < max_partition_order || object->parameters == NULL || object->raw_bits == NULL) { + if(0 == (object->parameters = safe_realloc_(object->parameters, sizeof(uint32_t)*(1 << max_partition_order)))) + return false; + if(0 == (object->raw_bits = safe_realloc_(object->raw_bits, sizeof(uint32_t)*(1 << max_partition_order)))) + return false; + memset(object->raw_bits, 0, sizeof(uint32_t)*(1 << max_partition_order)); + object->capacity_by_order = max_partition_order; + } + + return true; +} + +#if defined(_MSC_VER) +#pragma warning ( default : 4334 ) +#endif diff --git a/src/libFLAC/include/Makefile.am b/src/libFLAC/include/Makefile.am new file mode 100644 index 0000000..8484d12 --- /dev/null +++ b/src/libFLAC/include/Makefile.am @@ -0,0 +1,32 @@ +# libFLAC - Free Lossless Audio Codec library +# Copyright (C) 2001-2009 Josh Coalson +# Copyright (C) 2011-2023 Xiph.Org Foundation +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# +# - Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# +# - Redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in the +# documentation and/or other materials provided with the distribution. +# +# - Neither the name of the Xiph.org Foundation nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. 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IN NO EVENT SHALL THE FOUNDATION OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef FLAC__PRIVATE__ALL_H +#define FLAC__PRIVATE__ALL_H + +#include "bitmath.h" +#include "bitreader.h" +#include "bitwriter.h" +#include "cpu.h" +#include "crc.h" +#include "fixed.h" +#include "float.h" +#include "format.h" +#include "lpc.h" +#include "md5.h" +#include "memory.h" +#include "metadata.h" +#include "stream_encoder_framing.h" + +#endif diff --git a/src/libFLAC/include/private/bitmath.h b/src/libFLAC/include/private/bitmath.h new file mode 100644 index 0000000..12e062f --- /dev/null +++ b/src/libFLAC/include/private/bitmath.h @@ -0,0 +1,210 @@ +/* libFLAC - Free Lossless Audio Codec library + * Copyright (C) 2001-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * - Neither the name of the Xiph.org Foundation nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef FLAC__PRIVATE__BITMATH_H +#define FLAC__PRIVATE__BITMATH_H + +#include "FLAC/ordinals.h" +#include "FLAC/assert.h" + +#include "share/compat.h" + +#if defined(_MSC_VER) +#include <intrin.h> /* for _BitScanReverse* */ +#endif + +/* Will never be emitted for MSVC, GCC, Intel compilers */ +static inline uint32_t FLAC__clz_soft_uint32(FLAC__uint32 word) +{ + static const uint8_t byte_to_unary_table[] = { + 8, 7, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, + 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + }; + + return word > 0xffffff ? byte_to_unary_table[word >> 24] : + word > 0xffff ? byte_to_unary_table[word >> 16] + 8 : + word > 0xff ? byte_to_unary_table[word >> 8] + 16 : + byte_to_unary_table[word] + 24; +} + +static inline uint32_t FLAC__clz_uint32(FLAC__uint32 v) +{ +/* Never used with input 0 */ + FLAC__ASSERT(v > 0); +#if defined(__INTEL_COMPILER) + return _bit_scan_reverse(v) ^ 31U; +#elif defined(__GNUC__) && (__GNUC__ >= 4 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4)) +/* This will translate either to (bsr ^ 31U), clz , ctlz, cntlz, lzcnt depending on + * -march= setting or to a software routine in exotic machines. */ + return __builtin_clz(v); +#elif defined(_MSC_VER) + { + uint32_t idx; + _BitScanReverse(&idx, v); + return idx ^ 31U; + } +#else + return FLAC__clz_soft_uint32(v); +#endif +} + +/* Used when 64-bit bsr/clz is unavailable; can use 32-bit bsr/clz when possible */ +static inline uint32_t FLAC__clz_soft_uint64(FLAC__uint64 word) +{ + return (FLAC__uint32)(word>>32) ? FLAC__clz_uint32((FLAC__uint32)(word>>32)) : + FLAC__clz_uint32((FLAC__uint32)word) + 32; +} + +static inline uint32_t FLAC__clz_uint64(FLAC__uint64 v) +{ + /* Never used with input 0 */ + FLAC__ASSERT(v > 0); +#if defined(__GNUC__) && (__GNUC__ >= 4 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4)) + return __builtin_clzll(v); +#elif (defined(__INTEL_COMPILER) || defined(_MSC_VER)) && (defined(_M_IA64) || defined(_M_X64)) + { + uint32_t idx; + _BitScanReverse64(&idx, v); + return idx ^ 63U; + } +#else + return FLAC__clz_soft_uint64(v); +#endif +} + +/* These two functions work with input 0 */ +static inline uint32_t FLAC__clz2_uint32(FLAC__uint32 v) +{ + if (!v) + return 32; + return FLAC__clz_uint32(v); +} + +static inline uint32_t FLAC__clz2_uint64(FLAC__uint64 v) +{ + if (!v) + return 64; + return FLAC__clz_uint64(v); +} + +/* An example of what FLAC__bitmath_ilog2() computes: + * + * ilog2( 0) = assertion failure + * ilog2( 1) = 0 + * ilog2( 2) = 1 + * ilog2( 3) = 1 + * ilog2( 4) = 2 + * ilog2( 5) = 2 + * ilog2( 6) = 2 + * ilog2( 7) = 2 + * ilog2( 8) = 3 + * ilog2( 9) = 3 + * ilog2(10) = 3 + * ilog2(11) = 3 + * ilog2(12) = 3 + * ilog2(13) = 3 + * ilog2(14) = 3 + * ilog2(15) = 3 + * ilog2(16) = 4 + * ilog2(17) = 4 + * ilog2(18) = 4 + */ + +static inline uint32_t FLAC__bitmath_ilog2(FLAC__uint32 v) +{ + FLAC__ASSERT(v > 0); +#if defined(__INTEL_COMPILER) + return _bit_scan_reverse(v); +#elif defined(_MSC_VER) + { + uint32_t idx; + _BitScanReverse(&idx, v); + return idx; + } +#else + return FLAC__clz_uint32(v) ^ 31U; +#endif +} + +static inline uint32_t FLAC__bitmath_ilog2_wide(FLAC__uint64 v) +{ + FLAC__ASSERT(v > 0); +#if defined(__GNUC__) && (__GNUC__ >= 4 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4)) + return __builtin_clzll(v) ^ 63U; +/* Sorry, only supported in x64/Itanium.. and both have fast FPU which makes integer-only encoder pointless */ +#elif (defined(__INTEL_COMPILER) || defined(_MSC_VER)) && (defined(_M_IA64) || defined(_M_X64)) + { + uint32_t idx; + _BitScanReverse64(&idx, v); + return idx; + } +#else +/* Brain-damaged compilers will use the fastest possible way that is, + de Bruijn sequences (http://supertech.csail.mit.edu/papers/debruijn.pdf) + (C) Timothy B. Terriberry (tterribe@xiph.org) 2001-2009 CC0 (Public domain). +*/ + { + static const uint8_t DEBRUIJN_IDX64[64]={ + 0, 1, 2, 7, 3,13, 8,19, 4,25,14,28, 9,34,20,40, + 5,17,26,38,15,46,29,48,10,31,35,54,21,50,41,57, + 63, 6,12,18,24,27,33,39,16,37,45,47,30,53,49,56, + 62,11,23,32,36,44,52,55,61,22,43,51,60,42,59,58 + }; + v|= v>>1; + v|= v>>2; + v|= v>>4; + v|= v>>8; + v|= v>>16; + v|= v>>32; + v= (v>>1)+1; + return DEBRUIJN_IDX64[v*FLAC__U64L(0x218A392CD3D5DBF)>>58&0x3F]; + } +#endif +} + +uint32_t FLAC__bitmath_silog2(FLAC__int64 v); + +#endif diff --git a/src/libFLAC/include/private/bitreader.h b/src/libFLAC/include/private/bitreader.h new file mode 100644 index 0000000..c36c926 --- /dev/null +++ b/src/libFLAC/include/private/bitreader.h @@ -0,0 +1,101 @@ +/* libFLAC - Free Lossless Audio Codec library + * Copyright (C) 2000-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * - Neither the name of the Xiph.org Foundation nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef FLAC__PRIVATE__BITREADER_H +#define FLAC__PRIVATE__BITREADER_H + +#include <stdio.h> /* for FILE */ +#include "FLAC/ordinals.h" +#include "cpu.h" + +/* + * opaque structure definition + */ +struct FLAC__BitReader; +typedef struct FLAC__BitReader FLAC__BitReader; + +typedef FLAC__bool (*FLAC__BitReaderReadCallback)(FLAC__byte buffer[], size_t *bytes, void *client_data); + +/* + * construction, deletion, initialization, etc functions + */ +FLAC__BitReader *FLAC__bitreader_new(void); +void FLAC__bitreader_delete(FLAC__BitReader *br); +FLAC__bool FLAC__bitreader_init(FLAC__BitReader *br, FLAC__BitReaderReadCallback rcb, void *cd); +void FLAC__bitreader_free(FLAC__BitReader *br); /* does not 'free(br)' */ +FLAC__bool FLAC__bitreader_clear(FLAC__BitReader *br); +void FLAC__bitreader_set_framesync_location(FLAC__BitReader *br); +FLAC__bool FLAC__bitreader_rewind_to_after_last_seen_framesync(FLAC__BitReader *br); + +/* + * CRC functions + */ +void FLAC__bitreader_reset_read_crc16(FLAC__BitReader *br, FLAC__uint16 seed); +FLAC__uint16 FLAC__bitreader_get_read_crc16(FLAC__BitReader *br); + +/* + * info functions + */ +FLAC__bool FLAC__bitreader_is_consumed_byte_aligned(const FLAC__BitReader *br); +uint32_t FLAC__bitreader_bits_left_for_byte_alignment(const FLAC__BitReader *br); +uint32_t FLAC__bitreader_get_input_bits_unconsumed(const FLAC__BitReader *br); +void FLAC__bitreader_set_limit(FLAC__BitReader *br, uint32_t limit); +void FLAC__bitreader_remove_limit(FLAC__BitReader *br); +uint32_t FLAC__bitreader_limit_remaining(FLAC__BitReader *br); +void FLAC__bitreader_limit_invalidate(FLAC__BitReader *br); + +/* + * read functions + */ + +FLAC__bool FLAC__bitreader_read_raw_uint32(FLAC__BitReader *br, FLAC__uint32 *val, uint32_t bits); +FLAC__bool FLAC__bitreader_read_raw_int32(FLAC__BitReader *br, FLAC__int32 *val, uint32_t bits); +FLAC__bool FLAC__bitreader_read_raw_uint64(FLAC__BitReader *br, FLAC__uint64 *val, uint32_t bits); +FLAC__bool FLAC__bitreader_read_raw_int64(FLAC__BitReader *br, FLAC__int64 *val, uint32_t bits); +FLAC__bool FLAC__bitreader_read_uint32_little_endian(FLAC__BitReader *br, FLAC__uint32 *val); /*only for bits=32*/ +FLAC__bool FLAC__bitreader_skip_bits_no_crc(FLAC__BitReader *br, uint32_t bits); /* WATCHOUT: does not CRC the skipped data! */ /*@@@@ add to unit tests */ +FLAC__bool FLAC__bitreader_skip_byte_block_aligned_no_crc(FLAC__BitReader *br, uint32_t nvals); /* WATCHOUT: does not CRC the read data! */ +FLAC__bool FLAC__bitreader_read_byte_block_aligned_no_crc(FLAC__BitReader *br, FLAC__byte *val, uint32_t nvals); /* WATCHOUT: does not CRC the read data! */ +FLAC__bool FLAC__bitreader_read_unary_unsigned(FLAC__BitReader *br, uint32_t *val); +FLAC__bool FLAC__bitreader_read_rice_signed(FLAC__BitReader *br, int *val, uint32_t parameter); +FLAC__bool FLAC__bitreader_read_rice_signed_block(FLAC__BitReader *br, int vals[], uint32_t nvals, uint32_t parameter); +#ifdef FLAC__BMI2_SUPPORTED +FLAC__bool FLAC__bitreader_read_rice_signed_block_bmi2(FLAC__BitReader *br, int vals[], uint32_t nvals, uint32_t parameter); +#endif + +#if 0 /* UNUSED */ +FLAC__bool FLAC__bitreader_read_golomb_signed(FLAC__BitReader *br, int *val, uint32_t parameter); +FLAC__bool FLAC__bitreader_read_golomb_unsigned(FLAC__BitReader *br, uint32_t *val, uint32_t parameter); +#endif +FLAC__bool FLAC__bitreader_read_utf8_uint32(FLAC__BitReader *br, FLAC__uint32 *val, FLAC__byte *raw, uint32_t *rawlen); +FLAC__bool FLAC__bitreader_read_utf8_uint64(FLAC__BitReader *br, FLAC__uint64 *val, FLAC__byte *raw, uint32_t *rawlen); +#endif diff --git a/src/libFLAC/include/private/bitwriter.h b/src/libFLAC/include/private/bitwriter.h new file mode 100644 index 0000000..39bcf25 --- /dev/null +++ b/src/libFLAC/include/private/bitwriter.h @@ -0,0 +1,104 @@ +/* libFLAC - Free Lossless Audio Codec library + * Copyright (C) 2000-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * - Neither the name of the Xiph.org Foundation nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef FLAC__PRIVATE__BITWRITER_H +#define FLAC__PRIVATE__BITWRITER_H + +#include <stdio.h> /* for FILE */ +#include "FLAC/ordinals.h" + +/* + * opaque structure definition + */ +struct FLAC__BitWriter; +typedef struct FLAC__BitWriter FLAC__BitWriter; + +/* + * construction, deletion, initialization, etc functions + */ +FLAC__BitWriter *FLAC__bitwriter_new(void); +void FLAC__bitwriter_delete(FLAC__BitWriter *bw); +FLAC__bool FLAC__bitwriter_init(FLAC__BitWriter *bw); +void FLAC__bitwriter_free(FLAC__BitWriter *bw); /* does not 'free(buffer)' */ +void FLAC__bitwriter_clear(FLAC__BitWriter *bw); + +/* + * CRC functions + * + * non-const *bw because they have to cal FLAC__bitwriter_get_buffer() + */ +FLAC__bool FLAC__bitwriter_get_write_crc16(FLAC__BitWriter *bw, FLAC__uint16 *crc); +FLAC__bool FLAC__bitwriter_get_write_crc8(FLAC__BitWriter *bw, FLAC__byte *crc); + +/* + * info functions + */ +FLAC__bool FLAC__bitwriter_is_byte_aligned(const FLAC__BitWriter *bw); +uint32_t FLAC__bitwriter_get_input_bits_unconsumed(const FLAC__BitWriter *bw); /* can be called anytime, returns total # of bits unconsumed */ + +/* + * direct buffer access + * + * there may be no calls on the bitwriter between get and release. + * the bitwriter continues to own the returned buffer. + * before get, bitwriter MUST be byte aligned: check with FLAC__bitwriter_is_byte_aligned() + */ +FLAC__bool FLAC__bitwriter_get_buffer(FLAC__BitWriter *bw, const FLAC__byte **buffer, size_t *bytes); +void FLAC__bitwriter_release_buffer(FLAC__BitWriter *bw); + +/* + * write functions + */ +FLAC__bool FLAC__bitwriter_write_zeroes(FLAC__BitWriter *bw, uint32_t bits); +FLAC__bool FLAC__bitwriter_write_raw_uint32(FLAC__BitWriter *bw, FLAC__uint32 val, uint32_t bits); +FLAC__bool FLAC__bitwriter_write_raw_int32(FLAC__BitWriter *bw, FLAC__int32 val, uint32_t bits); +FLAC__bool FLAC__bitwriter_write_raw_uint64(FLAC__BitWriter *bw, FLAC__uint64 val, uint32_t bits); +FLAC__bool FLAC__bitwriter_write_raw_int64(FLAC__BitWriter *bw, FLAC__int64 val, uint32_t bits); +FLAC__bool FLAC__bitwriter_write_raw_uint32_little_endian(FLAC__BitWriter *bw, FLAC__uint32 val); /*only for bits=32*/ +FLAC__bool FLAC__bitwriter_write_byte_block(FLAC__BitWriter *bw, const FLAC__byte vals[], uint32_t nvals); +FLAC__bool FLAC__bitwriter_write_unary_unsigned(FLAC__BitWriter *bw, uint32_t val); +#if 0 /* UNUSED */ +uint32_t FLAC__bitwriter_rice_bits(FLAC__int32 val, uint32_t parameter); +uint32_t FLAC__bitwriter_golomb_bits_signed(int val, uint32_t parameter); +uint32_t FLAC__bitwriter_golomb_bits_unsigned(uint32_t val, uint32_t parameter); +FLAC__bool FLAC__bitwriter_write_rice_signed(FLAC__BitWriter *bw, FLAC__int32 val, uint32_t parameter); +#endif +FLAC__bool FLAC__bitwriter_write_rice_signed_block(FLAC__BitWriter *bw, const FLAC__int32 *vals, uint32_t nvals, uint32_t parameter); +#if 0 /* UNUSED */ +FLAC__bool FLAC__bitwriter_write_golomb_signed(FLAC__BitWriter *bw, int val, uint32_t parameter); +FLAC__bool FLAC__bitwriter_write_golomb_unsigned(FLAC__BitWriter *bw, uint32_t val, uint32_t parameter); +#endif +FLAC__bool FLAC__bitwriter_write_utf8_uint32(FLAC__BitWriter *bw, FLAC__uint32 val); +FLAC__bool FLAC__bitwriter_write_utf8_uint64(FLAC__BitWriter *bw, FLAC__uint64 val); +FLAC__bool FLAC__bitwriter_zero_pad_to_byte_boundary(FLAC__BitWriter *bw); + +#endif diff --git a/src/libFLAC/include/private/cpu.h b/src/libFLAC/include/private/cpu.h new file mode 100644 index 0000000..8843c74 --- /dev/null +++ b/src/libFLAC/include/private/cpu.h @@ -0,0 +1,198 @@ +/* libFLAC - Free Lossless Audio Codec library + * Copyright (C) 2001-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * - Neither the name of the Xiph.org Foundation nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef FLAC__PRIVATE__CPU_H +#define FLAC__PRIVATE__CPU_H + +#include "FLAC/ordinals.h" + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#ifndef FLAC__CPU_X86_64 + +#if defined(__amd64__) || defined(__amd64) || defined(__x86_64__) || defined(__x86_64) || defined(_M_X64) || defined(_M_AMD64) +#define FLAC__CPU_X86_64 +#endif + +#endif + +#ifndef FLAC__CPU_IA32 + +#if defined(__i386__) || defined(__i486__) || defined(__i586__) || defined(__i686__) ||defined( __i386) || defined(_M_IX86) +#define FLAC__CPU_IA32 +#endif + +#endif + +#ifndef __has_attribute +#define __has_attribute(x) 0 +#endif + +#if FLAC__HAS_X86INTRIN +/* SSE intrinsics support by ICC/MSVC/GCC */ +#if defined __INTEL_COMPILER + #define FLAC__SSE_TARGET(x) + #define FLAC__SSE_SUPPORTED 1 + #define FLAC__SSE2_SUPPORTED 1 + #if (__INTEL_COMPILER >= 1000) /* Intel C++ Compiler 10.0 */ + #define FLAC__SSSE3_SUPPORTED 1 + #define FLAC__SSE4_1_SUPPORTED 1 + #define FLAC__SSE4_2_SUPPORTED 1 + #endif + #ifdef FLAC__USE_AVX + #if (__INTEL_COMPILER >= 1110) /* Intel C++ Compiler 11.1 */ + #define FLAC__AVX_SUPPORTED 1 + #endif + #if (__INTEL_COMPILER >= 1300) /* Intel C++ Compiler 13.0 */ + #define FLAC__AVX2_SUPPORTED 1 + #define FLAC__FMA_SUPPORTED 1 + #endif + #endif +#elif defined __clang__ && __has_attribute(__target__) /* clang */ + #define FLAC__SSE_TARGET(x) __attribute__ ((__target__ (x))) + #define FLAC__SSE_SUPPORTED 1 + #define FLAC__SSE2_SUPPORTED 1 + #define FLAC__SSSE3_SUPPORTED 1 + #define FLAC__SSE4_1_SUPPORTED 1 + #define FLAC__SSE4_2_SUPPORTED 1 + #ifdef FLAC__USE_AVX + #define FLAC__AVX_SUPPORTED 1 + #define FLAC__AVX2_SUPPORTED 1 + #define FLAC__FMA_SUPPORTED 1 + #define FLAC__BMI2_SUPPORTED 1 + #endif +#elif defined __GNUC__ && !defined __clang__ && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 9)) /* GCC 4.9+ */ + #define FLAC__SSE_TARGET(x) __attribute__ ((__target__ (x))) + #define FLAC__SSE_SUPPORTED 1 + #define FLAC__SSE2_SUPPORTED 1 + #define FLAC__SSSE3_SUPPORTED 1 + #define FLAC__SSE4_1_SUPPORTED 1 + #define FLAC__SSE4_2_SUPPORTED 1 + #ifdef FLAC__USE_AVX + #define FLAC__AVX_SUPPORTED 1 + #define FLAC__AVX2_SUPPORTED 1 + #define FLAC__FMA_SUPPORTED 1 + #define FLAC__BMI2_SUPPORTED 1 + #endif +#elif defined _MSC_VER + #define FLAC__SSE_TARGET(x) + #define FLAC__SSE_SUPPORTED 1 + #define FLAC__SSE2_SUPPORTED 1 + #if (_MSC_VER >= 1500) /* MS Visual Studio 2008 */ + #define FLAC__SSSE3_SUPPORTED 1 + #define FLAC__SSE4_1_SUPPORTED 1 + #define FLAC__SSE4_2_SUPPORTED 1 + #endif + #ifdef FLAC__USE_AVX + #if (_MSC_FULL_VER >= 160040219) /* MS Visual Studio 2010 SP1 */ + #define FLAC__AVX_SUPPORTED 1 + #endif + #if (_MSC_VER >= 1700) /* MS Visual Studio 2012 */ + #define FLAC__AVX2_SUPPORTED 1 + #define FLAC__FMA_SUPPORTED 1 + #endif + #endif +#else + #define FLAC__SSE_TARGET(x) + #ifdef __SSE__ + #define FLAC__SSE_SUPPORTED 1 + #endif + #ifdef __SSE2__ + #define FLAC__SSE2_SUPPORTED 1 + #endif + #ifdef __SSSE3__ + #define FLAC__SSSE3_SUPPORTED 1 + #endif + #ifdef __SSE4_1__ + #define FLAC__SSE4_1_SUPPORTED 1 + #endif + #ifdef __SSE4_2__ + #define FLAC__SSE4_2_SUPPORTED 1 + #endif + #ifdef FLAC__USE_AVX + #ifdef __AVX__ + #define FLAC__AVX_SUPPORTED 1 + #endif + #ifdef __AVX2__ + #define FLAC__AVX2_SUPPORTED 1 + #endif + #ifdef __FMA__ + #define FLAC__FMA_SUPPORTED 1 + #endif + #endif +#endif /* compiler version */ +#endif /* intrinsics support */ + + +#ifndef FLAC__AVX_SUPPORTED +#define FLAC__AVX_SUPPORTED 0 +#endif + +typedef enum { + FLAC__CPUINFO_TYPE_IA32, + FLAC__CPUINFO_TYPE_X86_64, + FLAC__CPUINFO_TYPE_UNKNOWN +} FLAC__CPUInfo_Type; + +typedef struct { + FLAC__bool intel; + + FLAC__bool cmov; + FLAC__bool mmx; + FLAC__bool sse; + FLAC__bool sse2; + + FLAC__bool sse3; + FLAC__bool ssse3; + FLAC__bool sse41; + FLAC__bool sse42; + FLAC__bool avx; + FLAC__bool avx2; + FLAC__bool fma; + FLAC__bool bmi2; +} FLAC__CPUInfo_x86; + +typedef struct { + FLAC__bool use_asm; + FLAC__CPUInfo_Type type; + FLAC__CPUInfo_x86 x86; +} FLAC__CPUInfo; + +void FLAC__cpu_info(FLAC__CPUInfo *info); + +FLAC__uint32 FLAC__cpu_have_cpuid_asm_ia32(void); + +void FLAC__cpu_info_asm_ia32(FLAC__uint32 level, FLAC__uint32 *eax, FLAC__uint32 *ebx, FLAC__uint32 *ecx, FLAC__uint32 *edx); + +#endif diff --git a/src/libFLAC/include/private/crc.h b/src/libFLAC/include/private/crc.h new file mode 100644 index 0000000..fe44502 --- /dev/null +++ b/src/libFLAC/include/private/crc.h @@ -0,0 +1,60 @@ +/* libFLAC - Free Lossless Audio Codec library + * Copyright (C) 2000-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * - Neither the name of the Xiph.org Foundation nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef FLAC__PRIVATE__CRC_H +#define FLAC__PRIVATE__CRC_H + +#include "FLAC/ordinals.h" + +/* 8 bit CRC generator, MSB shifted first +** polynomial = x^8 + x^2 + x^1 + x^0 +** init = 0 +*/ +FLAC__uint8 FLAC__crc8(const FLAC__byte *data, uint32_t len); + +/* 16 bit CRC generator, MSB shifted first +** polynomial = x^16 + x^15 + x^2 + x^0 +** init = 0 +*/ +extern FLAC__uint16 const FLAC__crc16_table[8][256]; + +#define FLAC__CRC16_UPDATE(data, crc) ((((crc)<<8) & 0xffff) ^ FLAC__crc16_table[0][((crc)>>8) ^ (data)]) +/* this alternate may be faster on some systems/compilers */ +#if 0 +#define FLAC__CRC16_UPDATE(data, crc) ((((crc)<<8) ^ FLAC__crc16_table[0][((crc)>>8) ^ (data)]) & 0xffff) +#endif + +FLAC__uint16 FLAC__crc16(const FLAC__byte *data, uint32_t len); +FLAC__uint16 FLAC__crc16_update_words32(const FLAC__uint32 *words, uint32_t len, FLAC__uint16 crc); +FLAC__uint16 FLAC__crc16_update_words64(const FLAC__uint64 *words, uint32_t len, FLAC__uint16 crc); + +#endif diff --git a/src/libFLAC/include/private/fixed.h b/src/libFLAC/include/private/fixed.h new file mode 100644 index 0000000..c4efecd --- /dev/null +++ b/src/libFLAC/include/private/fixed.h @@ -0,0 +1,117 @@ +/* libFLAC - Free Lossless Audio Codec library + * Copyright (C) 2000-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * - Neither the name of the Xiph.org Foundation nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef FLAC__PRIVATE__FIXED_H +#define FLAC__PRIVATE__FIXED_H + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#include "private/cpu.h" +#include "private/float.h" +#include "FLAC/format.h" + +/* + * FLAC__fixed_compute_best_predictor() + * -------------------------------------------------------------------- + * Compute the best fixed predictor and the expected bits-per-sample + * of the residual signal for each order. The _wide() version uses + * 64-bit integers which is statistically necessary when bits-per- + * sample + log2(blocksize) > 30 + * + * IN data[0,data_len-1] + * IN data_len + * OUT residual_bits_per_sample[0,FLAC__MAX_FIXED_ORDER] + */ +#ifndef FLAC__INTEGER_ONLY_LIBRARY +uint32_t FLAC__fixed_compute_best_predictor(const FLAC__int32 data[], uint32_t data_len, float residual_bits_per_sample[FLAC__MAX_FIXED_ORDER+1]); +uint32_t FLAC__fixed_compute_best_predictor_wide(const FLAC__int32 data[], uint32_t data_len, float residual_bits_per_sample[FLAC__MAX_FIXED_ORDER+1]); +uint32_t FLAC__fixed_compute_best_predictor_limit_residual(const FLAC__int32 data[], uint32_t data_len, float residual_bits_per_sample[FLAC__MAX_FIXED_ORDER+1]); +uint32_t FLAC__fixed_compute_best_predictor_limit_residual_33bit(const FLAC__int64 data[], uint32_t data_len, float residual_bits_per_sample[FLAC__MAX_FIXED_ORDER+1]); +# ifndef FLAC__NO_ASM +# if (defined FLAC__CPU_IA32 || defined FLAC__CPU_X86_64) && FLAC__HAS_X86INTRIN +# ifdef FLAC__SSE2_SUPPORTED +uint32_t FLAC__fixed_compute_best_predictor_intrin_sse2(const FLAC__int32 data[], uint32_t data_len, float residual_bits_per_sample[FLAC__MAX_FIXED_ORDER + 1]); +# endif +# ifdef FLAC__SSSE3_SUPPORTED +uint32_t FLAC__fixed_compute_best_predictor_intrin_ssse3(const FLAC__int32 data[], uint32_t data_len, float residual_bits_per_sample[FLAC__MAX_FIXED_ORDER+1]); +# endif +# ifdef FLAC__SSE4_2_SUPPORTED +uint32_t FLAC__fixed_compute_best_predictor_limit_residual_intrin_sse42(const FLAC__int32 data[], uint32_t data_len, float residual_bits_per_sample[FLAC__MAX_FIXED_ORDER+1]); +# endif +# ifdef FLAC__AVX2_SUPPORTED +uint32_t FLAC__fixed_compute_best_predictor_wide_intrin_avx2(const FLAC__int32 data[], uint32_t data_len, float residual_bits_per_sample[FLAC__MAX_FIXED_ORDER+1]); +uint32_t FLAC__fixed_compute_best_predictor_limit_residual_intrin_avx2(const FLAC__int32 data[], uint32_t data_len, float residual_bits_per_sample[FLAC__MAX_FIXED_ORDER+1]); +# endif +# endif +# endif +#else +uint32_t FLAC__fixed_compute_best_predictor(const FLAC__int32 data[], uint32_t data_len, FLAC__fixedpoint residual_bits_per_sample[FLAC__MAX_FIXED_ORDER+1]); +uint32_t FLAC__fixed_compute_best_predictor_wide(const FLAC__int32 data[], uint32_t data_len, FLAC__fixedpoint residual_bits_per_sample[FLAC__MAX_FIXED_ORDER+1]); +uint32_t FLAC__fixed_compute_best_predictor_limit_residual(const FLAC__int32 data[], uint32_t data_len, FLAC__fixedpoint residual_bits_per_sample[FLAC__MAX_FIXED_ORDER+1]); +uint32_t FLAC__fixed_compute_best_predictor_limit_residual_33bit(const FLAC__int64 data[], uint32_t data_len, FLAC__fixedpoint residual_bits_per_sample[FLAC__MAX_FIXED_ORDER+1]); +#endif + +/* + * FLAC__fixed_compute_residual() + * -------------------------------------------------------------------- + * Compute the residual signal obtained from sutracting the predicted + * signal from the original. + * + * IN data[-order,data_len-1] original signal (NOTE THE INDICES!) + * IN data_len length of original signal + * IN order <= FLAC__MAX_FIXED_ORDER fixed-predictor order + * OUT residual[0,data_len-1] residual signal + */ +void FLAC__fixed_compute_residual(const FLAC__int32 data[], uint32_t data_len, uint32_t order, FLAC__int32 residual[]); +void FLAC__fixed_compute_residual_wide(const FLAC__int32 data[], uint32_t data_len, uint32_t order, FLAC__int32 residual[]); +void FLAC__fixed_compute_residual_wide_33bit(const FLAC__int64 data[], uint32_t data_len, uint32_t order, FLAC__int32 residual[]); + +/* + * FLAC__fixed_restore_signal() + * -------------------------------------------------------------------- + * Restore the original signal by summing the residual and the + * predictor. + * + * IN residual[0,data_len-1] residual signal + * IN data_len length of original signal + * IN order <= FLAC__MAX_FIXED_ORDER fixed-predictor order + * *** IMPORTANT: the caller must pass in the historical samples: + * IN data[-order,-1] previously-reconstructed historical samples + * OUT data[0,data_len-1] original signal + */ +void FLAC__fixed_restore_signal(const FLAC__int32 residual[], uint32_t data_len, uint32_t order, FLAC__int32 data[]); +void FLAC__fixed_restore_signal_wide(const FLAC__int32 residual[], uint32_t data_len, uint32_t order, FLAC__int32 data[]); +void FLAC__fixed_restore_signal_wide_33bit(const FLAC__int32 residual[], uint32_t data_len, uint32_t order, FLAC__int64 data[]); + +#endif diff --git a/src/libFLAC/include/private/float.h b/src/libFLAC/include/private/float.h new file mode 100644 index 0000000..bec2634 --- /dev/null +++ b/src/libFLAC/include/private/float.h @@ -0,0 +1,95 @@ +/* libFLAC - Free Lossless Audio Codec library + * Copyright (C) 2004-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * - Neither the name of the Xiph.org Foundation nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef FLAC__PRIVATE__FLOAT_H +#define FLAC__PRIVATE__FLOAT_H + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#include "FLAC/ordinals.h" + +/* + * All the code in libFLAC that uses float and double + * should be protected by checks of the macro + * FLAC__INTEGER_ONLY_LIBRARY. + * + */ +#ifndef FLAC__INTEGER_ONLY_LIBRARY +/* + * FLAC__real is the basic floating point type used in LPC analysis. + * + * WATCHOUT: changing FLAC__real will change the signatures of many + * functions that have assembly language equivalents and break them. + */ +typedef float FLAC__real; +#else +/* + * The convention for FLAC__fixedpoint is to use the upper 16 bits + * for the integer part and lower 16 bits for the fractional part. + */ +typedef FLAC__int32 FLAC__fixedpoint; +extern const FLAC__fixedpoint FLAC__FP_ZERO; +extern const FLAC__fixedpoint FLAC__FP_ONE_HALF; +extern const FLAC__fixedpoint FLAC__FP_ONE; +extern const FLAC__fixedpoint FLAC__FP_LN2; +extern const FLAC__fixedpoint FLAC__FP_E; + +#define FLAC__fixedpoint_trunc(x) ((x)>>16) + +#define FLAC__fixedpoint_mul(x, y) ( (FLAC__fixedpoint) ( ((FLAC__int64)(x)*(FLAC__int64)(y)) >> 16 ) ) + +#define FLAC__fixedpoint_div(x, y) ( (FLAC__fixedpoint) ( ( ((FLAC__int64)(x)<<32) / (FLAC__int64)(y) ) >> 16 ) ) + +/* + * FLAC__fixedpoint_log2() + * -------------------------------------------------------------------- + * Returns the base-2 logarithm of the fixed-point number 'x' using an + * algorithm by Knuth for x >= 1.0 + * + * 'fracbits' is the number of fractional bits of 'x'. 'fracbits' must + * be < 32 and evenly divisible by 4 (0 is OK but not very precise). + * + * 'precision' roughly limits the number of iterations that are done; + * use (uint32_t)(-1) for maximum precision. + * + * If 'x' is less than one -- that is, x < (1<<fracbits) -- then this + * function will punt and return 0. + * + * The return value will also have 'fracbits' fractional bits. + */ +FLAC__uint32 FLAC__fixedpoint_log2(FLAC__uint32 x, uint32_t fracbits, uint32_t precision); + +#endif + +#endif diff --git a/src/libFLAC/include/private/format.h b/src/libFLAC/include/private/format.h new file mode 100644 index 0000000..7630f6f --- /dev/null +++ b/src/libFLAC/include/private/format.h @@ -0,0 +1,47 @@ +/* libFLAC - Free Lossless Audio Codec library + * Copyright (C) 2000-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * - Neither the name of the Xiph.org Foundation nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef FLAC__PRIVATE__FORMAT_H +#define FLAC__PRIVATE__FORMAT_H + +#include "FLAC/format.h" + +#if 0 /* UNUSED */ +uint32_t FLAC__format_get_max_rice_partition_order(uint32_t blocksize, uint32_t predictor_order); +#endif +uint32_t FLAC__format_get_max_rice_partition_order_from_blocksize(uint32_t blocksize); +uint32_t FLAC__format_get_max_rice_partition_order_from_blocksize_limited_max_and_predictor_order(uint32_t limit, uint32_t blocksize, uint32_t predictor_order); +void FLAC__format_entropy_coding_method_partitioned_rice_contents_init(FLAC__EntropyCodingMethod_PartitionedRiceContents *object); +void FLAC__format_entropy_coding_method_partitioned_rice_contents_clear(FLAC__EntropyCodingMethod_PartitionedRiceContents *object); +FLAC__bool FLAC__format_entropy_coding_method_partitioned_rice_contents_ensure_size(FLAC__EntropyCodingMethod_PartitionedRiceContents *object, uint32_t max_partition_order); + +#endif diff --git a/src/libFLAC/include/private/lpc.h b/src/libFLAC/include/private/lpc.h new file mode 100644 index 0000000..766f056 --- /dev/null +++ b/src/libFLAC/include/private/lpc.h @@ -0,0 +1,238 @@ +/* libFLAC - Free Lossless Audio Codec library + * Copyright (C) 2000-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * - Neither the name of the Xiph.org Foundation nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef FLAC__PRIVATE__LPC_H +#define FLAC__PRIVATE__LPC_H + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#include "private/cpu.h" +#include "private/float.h" +#include "FLAC/format.h" + +#ifndef FLAC__INTEGER_ONLY_LIBRARY + +/* + * FLAC__lpc_window_data() + * -------------------------------------------------------------------- + * Applies the given window to the data. + * OPT: asm implementation + * + * IN in[0,data_len-1] + * IN window[0,data_len-1] + * OUT out[0,lag-1] + * IN data_len + */ +void FLAC__lpc_window_data(const FLAC__int32 in[], const FLAC__real window[], FLAC__real out[], uint32_t data_len); +void FLAC__lpc_window_data_wide(const FLAC__int64 in[], const FLAC__real window[], FLAC__real out[], uint32_t data_len); +void FLAC__lpc_window_data_partial(const FLAC__int32 in[], const FLAC__real window[], FLAC__real out[], uint32_t data_len, uint32_t part_size, uint32_t data_shift); +void FLAC__lpc_window_data_partial_wide(const FLAC__int64 in[], const FLAC__real window[], FLAC__real out[], uint32_t data_len, uint32_t part_size, uint32_t data_shift); + +/* + * FLAC__lpc_compute_autocorrelation() + * -------------------------------------------------------------------- + * Compute the autocorrelation for lags between 0 and lag-1. + * Assumes data[] outside of [0,data_len-1] == 0. + * Asserts that lag > 0. + * + * IN data[0,data_len-1] + * IN data_len + * IN 0 < lag <= data_len + * OUT autoc[0,lag-1] + */ +void FLAC__lpc_compute_autocorrelation(const FLAC__real data[], uint32_t data_len, uint32_t lag, double autoc[]); +#ifndef FLAC__NO_ASM +# if (defined FLAC__CPU_IA32 || defined FLAC__CPU_X86_64) && FLAC__HAS_X86INTRIN +# ifdef FLAC__SSE2_SUPPORTED +void FLAC__lpc_compute_autocorrelation_intrin_sse2_lag_8(const FLAC__real data[], uint32_t data_len, uint32_t lag, double autoc[]); +void FLAC__lpc_compute_autocorrelation_intrin_sse2_lag_10(const FLAC__real data[], uint32_t data_len, uint32_t lag, double autoc[]); +void FLAC__lpc_compute_autocorrelation_intrin_sse2_lag_14(const FLAC__real data[], uint32_t data_len, uint32_t lag, double autoc[]); +# endif +# endif +# if defined FLAC__CPU_X86_64 && FLAC__HAS_X86INTRIN +# ifdef FLAC__FMA_SUPPORTED +void FLAC__lpc_compute_autocorrelation_intrin_fma_lag_8(const FLAC__real data[], uint32_t data_len, uint32_t lag, double autoc[]); +void FLAC__lpc_compute_autocorrelation_intrin_fma_lag_12(const FLAC__real data[], uint32_t data_len, uint32_t lag, double autoc[]); +void FLAC__lpc_compute_autocorrelation_intrin_fma_lag_16(const FLAC__real data[], uint32_t data_len, uint32_t lag, double autoc[]); +# endif +# endif +#if defined FLAC__CPU_ARM64 && FLAC__HAS_NEONINTRIN && FLAC__HAS_A64NEONINTRIN +void FLAC__lpc_compute_autocorrelation_intrin_neon_lag_8(const FLAC__real data[], uint32_t data_len, uint32_t lag, double autoc[]); +void FLAC__lpc_compute_autocorrelation_intrin_neon_lag_10(const FLAC__real data[], uint32_t data_len, uint32_t lag, double autoc[]); +void FLAC__lpc_compute_autocorrelation_intrin_neon_lag_14(const FLAC__real data[], uint32_t data_len, uint32_t lag, double autoc[]); +#endif +#endif /* FLAC__NO_ASM */ + +/* + * FLAC__lpc_compute_lp_coefficients() + * -------------------------------------------------------------------- + * Computes LP coefficients for orders 1..max_order. + * Do not call if autoc[0] == 0.0. This means the signal is zero + * and there is no point in calculating a predictor. + * + * IN autoc[0,max_order] autocorrelation values + * IN 0 < max_order <= FLAC__MAX_LPC_ORDER max LP order to compute + * OUT lp_coeff[0,max_order-1][0,max_order-1] LP coefficients for each order + * *** IMPORTANT: + * *** lp_coeff[0,max_order-1][max_order,FLAC__MAX_LPC_ORDER-1] are untouched + * OUT error[0,max_order-1] error for each order (more + * specifically, the variance of + * the error signal times # of + * samples in the signal) + * + * Example: if max_order is 9, the LP coefficients for order 9 will be + * in lp_coeff[8][0,8], the LP coefficients for order 8 will be + * in lp_coeff[7][0,7], etc. + */ +void FLAC__lpc_compute_lp_coefficients(const double autoc[], uint32_t *max_order, FLAC__real lp_coeff[][FLAC__MAX_LPC_ORDER], double error[]); + +/* + * FLAC__lpc_quantize_coefficients() + * -------------------------------------------------------------------- + * Quantizes the LP coefficients. NOTE: precision + bits_per_sample + * must be less than 32 (sizeof(FLAC__int32)*8). + * + * IN lp_coeff[0,order-1] LP coefficients + * IN order LP order + * IN FLAC__MIN_QLP_COEFF_PRECISION < precision + * desired precision (in bits, including sign + * bit) of largest coefficient + * OUT qlp_coeff[0,order-1] quantized coefficients + * OUT shift # of bits to shift right to get approximated + * LP coefficients. NOTE: could be negative. + * RETURN 0 => quantization OK + * 1 => coefficients require too much shifting for *shift to + * fit in the LPC subframe header. 'shift' is unset. + * 2 => coefficients are all zero, which is bad. 'shift' is + * unset. + */ +int FLAC__lpc_quantize_coefficients(const FLAC__real lp_coeff[], uint32_t order, uint32_t precision, FLAC__int32 qlp_coeff[], int *shift); + +/* + * FLAC__lpc_compute_residual_from_qlp_coefficients() + * -------------------------------------------------------------------- + * Compute the residual signal obtained from sutracting the predicted + * signal from the original. + * + * IN data[-order,data_len-1] original signal (NOTE THE INDICES!) + * IN data_len length of original signal + * IN qlp_coeff[0,order-1] quantized LP coefficients + * IN order > 0 LP order + * IN lp_quantization quantization of LP coefficients in bits + * OUT residual[0,data_len-1] residual signal + */ +void FLAC__lpc_compute_residual_from_qlp_coefficients(const FLAC__int32 *data, uint32_t data_len, const FLAC__int32 qlp_coeff[], uint32_t order, int lp_quantization, FLAC__int32 residual[]); +void FLAC__lpc_compute_residual_from_qlp_coefficients_wide(const FLAC__int32 *data, uint32_t data_len, const FLAC__int32 qlp_coeff[], uint32_t order, int lp_quantization, FLAC__int32 residual[]); +FLAC__bool FLAC__lpc_compute_residual_from_qlp_coefficients_limit_residual(const FLAC__int32 *data, uint32_t data_len, const FLAC__int32 qlp_coeff[], uint32_t order, int lp_quantization, FLAC__int32 residual[]); +FLAC__bool FLAC__lpc_compute_residual_from_qlp_coefficients_limit_residual_33bit(const FLAC__int64 *data, uint32_t data_len, const FLAC__int32 qlp_coeff[], uint32_t order, int lp_quantization, FLAC__int32 residual[]); +#ifndef FLAC__NO_ASM +# ifdef FLAC__CPU_ARM64 +void FLAC__lpc_compute_residual_from_qlp_coefficients_intrin_neon(const FLAC__int32 *data, uint32_t data_len, const FLAC__int32 qlp_coeff[], uint32_t order, int lp_quantization, FLAC__int32 residual[]); +void FLAC__lpc_compute_residual_from_qlp_coefficients_wide_intrin_neon(const FLAC__int32 *data, uint32_t data_len, const FLAC__int32 qlp_coeff[], uint32_t order, int lp_quantization, FLAC__int32 residual[]); +# endif + +# if (defined FLAC__CPU_IA32 || defined FLAC__CPU_X86_64) && FLAC__HAS_X86INTRIN +# ifdef FLAC__SSE2_SUPPORTED +void FLAC__lpc_compute_residual_from_qlp_coefficients_16_intrin_sse2(const FLAC__int32 *data, uint32_t data_len, const FLAC__int32 qlp_coeff[], uint32_t order, int lp_quantization, FLAC__int32 residual[]); +void FLAC__lpc_compute_residual_from_qlp_coefficients_intrin_sse2(const FLAC__int32 *data, uint32_t data_len, const FLAC__int32 qlp_coeff[], uint32_t order, int lp_quantization, FLAC__int32 residual[]); +# endif +# ifdef FLAC__SSE4_1_SUPPORTED +void FLAC__lpc_compute_residual_from_qlp_coefficients_intrin_sse41(const FLAC__int32 *data, uint32_t data_len, const FLAC__int32 qlp_coeff[], uint32_t order, int lp_quantization, FLAC__int32 residual[]); +void FLAC__lpc_compute_residual_from_qlp_coefficients_wide_intrin_sse41(const FLAC__int32 *data, uint32_t data_len, const FLAC__int32 qlp_coeff[], uint32_t order, int lp_quantization, FLAC__int32 residual[]); +# endif +# ifdef FLAC__AVX2_SUPPORTED +void FLAC__lpc_compute_residual_from_qlp_coefficients_16_intrin_avx2(const FLAC__int32 *data, uint32_t data_len, const FLAC__int32 qlp_coeff[], uint32_t order, int lp_quantization, FLAC__int32 residual[]); +void FLAC__lpc_compute_residual_from_qlp_coefficients_intrin_avx2(const FLAC__int32 *data, uint32_t data_len, const FLAC__int32 qlp_coeff[], uint32_t order, int lp_quantization, FLAC__int32 residual[]); +void FLAC__lpc_compute_residual_from_qlp_coefficients_wide_intrin_avx2(const FLAC__int32 *data, uint32_t data_len, const FLAC__int32 qlp_coeff[], uint32_t order, int lp_quantization, FLAC__int32 residual[]); +# endif +# endif +#endif + +#endif /* !defined FLAC__INTEGER_ONLY_LIBRARY */ + +uint32_t FLAC__lpc_max_prediction_before_shift_bps(uint32_t subframe_bps, const FLAC__int32 qlp_coeff[], uint32_t order); +uint32_t FLAC__lpc_max_residual_bps(uint32_t subframe_bps, const FLAC__int32 qlp_coeff[], uint32_t order, int lp_quantization); + +/* + * FLAC__lpc_restore_signal() + * -------------------------------------------------------------------- + * Restore the original signal by summing the residual and the + * predictor. + * + * IN residual[0,data_len-1] residual signal + * IN data_len length of original signal + * IN qlp_coeff[0,order-1] quantized LP coefficients + * IN order > 0 LP order + * IN lp_quantization quantization of LP coefficients in bits + * *** IMPORTANT: the caller must pass in the historical samples: + * IN data[-order,-1] previously-reconstructed historical samples + * OUT data[0,data_len-1] original signal + */ +void FLAC__lpc_restore_signal(const FLAC__int32 residual[], uint32_t data_len, const FLAC__int32 qlp_coeff[], uint32_t order, int lp_quantization, FLAC__int32 data[]); +void FLAC__lpc_restore_signal_wide(const FLAC__int32 residual[], uint32_t data_len, const FLAC__int32 qlp_coeff[], uint32_t order, int lp_quantization, FLAC__int32 data[]); +void FLAC__lpc_restore_signal_wide_33bit(const FLAC__int32 residual[], uint32_t data_len, const FLAC__int32 qlp_coeff[], uint32_t order, int lp_quantization, FLAC__int64 data[]); + +#ifndef FLAC__INTEGER_ONLY_LIBRARY + +/* + * FLAC__lpc_compute_expected_bits_per_residual_sample() + * -------------------------------------------------------------------- + * Compute the expected number of bits per residual signal sample + * based on the LP error (which is related to the residual variance). + * + * IN lpc_error >= 0.0 error returned from calculating LP coefficients + * IN total_samples > 0 # of samples in residual signal + * RETURN expected bits per sample + */ +double FLAC__lpc_compute_expected_bits_per_residual_sample(double lpc_error, uint32_t total_samples); +double FLAC__lpc_compute_expected_bits_per_residual_sample_with_error_scale(double lpc_error, double error_scale); + +/* + * FLAC__lpc_compute_best_order() + * -------------------------------------------------------------------- + * Compute the best order from the array of signal errors returned + * during coefficient computation. + * + * IN lpc_error[0,max_order-1] >= 0.0 error returned from calculating LP coefficients + * IN max_order > 0 max LP order + * IN total_samples > 0 # of samples in residual signal + * IN overhead_bits_per_order # of bits overhead for each increased LP order + * (includes warmup sample size and quantized LP coefficient) + * RETURN [1,max_order] best order + */ +uint32_t FLAC__lpc_compute_best_order(const double lpc_error[], uint32_t max_order, uint32_t total_samples, uint32_t overhead_bits_per_order); + +#endif /* !defined FLAC__INTEGER_ONLY_LIBRARY */ + +#endif diff --git a/src/libFLAC/include/private/macros.h b/src/libFLAC/include/private/macros.h new file mode 100644 index 0000000..8204ed5 --- /dev/null +++ b/src/libFLAC/include/private/macros.h @@ -0,0 +1,74 @@ +/* libFLAC - Free Lossless Audio Codec library + * Copyright (C) 2012-2023 Xiph.Org Foundation + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * - Neither the name of the Xiph.org Foundation nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef FLAC__PRIVATE__MACROS_H +#define FLAC__PRIVATE__MACROS_H + +#if defined(__GNUC__) && (__GNUC__ > 4 || ( __GNUC__ == 4 && __GNUC_MINOR__ >= 3)) + +#define flac_max(a,b) \ + ({ __typeof__ (a) _a = (a); \ + __typeof__ (b) _b = (b); \ + _a > _b ? _a : _b; }) + +#define MIN_PASTE(A,B) A##B +#define MIN_IMPL(A,B,L) ({ \ + __typeof__(A) MIN_PASTE(__a,L) = (A); \ + __typeof__(B) MIN_PASTE(__b,L) = (B); \ + MIN_PASTE(__a,L) < MIN_PASTE(__b,L) ? MIN_PASTE(__a,L) : MIN_PASTE(__b,L); \ + }) + +#define flac_min(A,B) MIN_IMPL(A,B,__COUNTER__) + +/* Whatever other unix that has sys/param.h */ +#elif defined(HAVE_SYS_PARAM_H) +#include <sys/param.h> +#if defined(MIN) && defined(MAX) +#define flac_max(a,b) MAX(a,b) +#define flac_min(a,b) MIN(a,b) +#endif + +/* Windows VS has them in stdlib.h.. XXX:Untested */ +#elif defined(_MSC_VER) +#include <stdlib.h> +#define flac_max(a,b) __max(a,b) +#define flac_min(a,b) __min(a,b) +#endif + +#ifndef flac_min +#define flac_min(x,y) ((x) <= (y) ? (x) : (y)) +#endif + +#ifndef flac_max +#define flac_max(x,y) ((x) >= (y) ? (x) : (y)) +#endif + +#endif diff --git a/src/libFLAC/include/private/md5.h b/src/libFLAC/include/private/md5.h new file mode 100644 index 0000000..f9d79c3 --- /dev/null +++ b/src/libFLAC/include/private/md5.h @@ -0,0 +1,50 @@ +#ifndef FLAC__PRIVATE__MD5_H +#define FLAC__PRIVATE__MD5_H + +/* + * This is the header file for the MD5 message-digest algorithm. + * The algorithm is due to Ron Rivest. This code was + * written by Colin Plumb in 1993, no copyright is claimed. + * This code is in the public domain; do with it what you wish. + * + * Equivalent code is available from RSA Data Security, Inc. + * This code has been tested against that, and is equivalent, + * except that you don't need to include two pages of legalese + * with every copy. + * + * To compute the message digest of a chunk of bytes, declare an + * MD5Context structure, pass it to MD5Init, call MD5Update as + * needed on buffers full of bytes, and then call MD5Final, which + * will fill a supplied 16-byte array with the digest. + * + * Changed so as no longer to depend on Colin Plumb's `usual.h' + * header definitions; now uses stuff from dpkg's config.h + * - Ian Jackson <ijackson@nyx.cs.du.edu>. + * Still in the public domain. + * + * Josh Coalson: made some changes to integrate with libFLAC. + * Still in the public domain, with no warranty. + */ + +#include "FLAC/ordinals.h" + +typedef union { + FLAC__byte *p8; + FLAC__int16 *p16; + FLAC__int32 *p32; +} FLAC__multibyte; + +typedef struct { + FLAC__uint32 in[16]; + FLAC__uint32 buf[4]; + FLAC__uint32 bytes[2]; + FLAC__multibyte internal_buf; + size_t capacity; +} FLAC__MD5Context; + +void FLAC__MD5Init(FLAC__MD5Context *context); +void FLAC__MD5Final(FLAC__byte digest[16], FLAC__MD5Context *context); + +FLAC__bool FLAC__MD5Accumulate(FLAC__MD5Context *ctx, const FLAC__int32 * const signal[], uint32_t channels, uint32_t samples, uint32_t bytes_per_sample); + +#endif diff --git a/src/libFLAC/include/private/memory.h b/src/libFLAC/include/private/memory.h new file mode 100644 index 0000000..4221bcf --- /dev/null +++ b/src/libFLAC/include/private/memory.h @@ -0,0 +1,58 @@ +/* libFLAC - Free Lossless Audio Codec library + * Copyright (C) 2001-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * - Neither the name of the Xiph.org Foundation nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef FLAC__PRIVATE__MEMORY_H +#define FLAC__PRIVATE__MEMORY_H + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#include <stdlib.h> /* for size_t */ + +#include "private/float.h" +#include "FLAC/ordinals.h" /* for FLAC__bool */ + +/* Returns the unaligned address returned by malloc. + * Use free() on this address to deallocate. + */ +void *FLAC__memory_alloc_aligned(size_t bytes, void **aligned_address); +FLAC__bool FLAC__memory_alloc_aligned_int32_array(size_t elements, FLAC__int32 **unaligned_pointer, FLAC__int32 **aligned_pointer); +FLAC__bool FLAC__memory_alloc_aligned_uint32_array(size_t elements, FLAC__uint32 **unaligned_pointer, FLAC__uint32 **aligned_pointer); +FLAC__bool FLAC__memory_alloc_aligned_int64_array(size_t elements, FLAC__int64 **unaligned_pointer, FLAC__int64 **aligned_pointer); +FLAC__bool FLAC__memory_alloc_aligned_uint64_array(size_t elements, FLAC__uint64 **unaligned_pointer, FLAC__uint64 **aligned_pointer); +#ifndef FLAC__INTEGER_ONLY_LIBRARY +FLAC__bool FLAC__memory_alloc_aligned_real_array(size_t elements, FLAC__real **unaligned_pointer, FLAC__real **aligned_pointer); +#endif +void *safe_malloc_mul_2op_p(size_t size1, size_t size2); + +#endif diff --git a/src/libFLAC/include/private/metadata.h b/src/libFLAC/include/private/metadata.h new file mode 100644 index 0000000..d3ceb53 --- /dev/null +++ b/src/libFLAC/include/private/metadata.h @@ -0,0 +1,46 @@ +/* libFLAC - Free Lossless Audio Codec library + * Copyright (C) 2002-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * - Neither the name of the Xiph.org Foundation nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef FLAC__PRIVATE__METADATA_H +#define FLAC__PRIVATE__METADATA_H + +#include "FLAC/metadata.h" + +/* WATCHOUT: all malloc()ed data in the block is free()ed; this may not + * be a consistent state (e.g. PICTURE) or equivalent to the initial + * state after FLAC__metadata_object_new() + */ +void FLAC__metadata_object_delete_data(FLAC__StreamMetadata *object); + +void FLAC__metadata_object_cuesheet_track_delete_data(FLAC__StreamMetadata_CueSheet_Track *object); + +#endif diff --git a/src/libFLAC/include/private/ogg_decoder_aspect.h b/src/libFLAC/include/private/ogg_decoder_aspect.h new file mode 100644 index 0000000..c923641 --- /dev/null +++ b/src/libFLAC/include/private/ogg_decoder_aspect.h @@ -0,0 +1,80 @@ +/* libFLAC - Free Lossless Audio Codec + * Copyright (C) 2002-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * - Neither the name of the Xiph.org Foundation nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef FLAC__PRIVATE__OGG_DECODER_ASPECT_H +#define FLAC__PRIVATE__OGG_DECODER_ASPECT_H + +#include <ogg/ogg.h> + +#include "FLAC/ordinals.h" +#include "FLAC/stream_decoder.h" /* for FLAC__StreamDecoderReadStatus */ + +typedef struct FLAC__OggDecoderAspect { + /* these are storage for values that can be set through the API */ + FLAC__bool use_first_serial_number; + long serial_number; + + /* these are for internal state related to Ogg decoding */ + ogg_stream_state stream_state; + ogg_sync_state sync_state; + uint32_t version_major, version_minor; + FLAC__bool need_serial_number; + FLAC__bool end_of_stream; + FLAC__bool have_working_page; /* only if true will the following vars be valid */ + ogg_page working_page; + FLAC__bool have_working_packet; /* only if true will the following vars be valid */ + ogg_packet working_packet; /* as we work through the packet we will move working_packet.packet forward and working_packet.bytes down */ +} FLAC__OggDecoderAspect; + +void FLAC__ogg_decoder_aspect_set_serial_number(FLAC__OggDecoderAspect *aspect, long value); +void FLAC__ogg_decoder_aspect_set_defaults(FLAC__OggDecoderAspect *aspect); +FLAC__bool FLAC__ogg_decoder_aspect_init(FLAC__OggDecoderAspect *aspect); +void FLAC__ogg_decoder_aspect_finish(FLAC__OggDecoderAspect *aspect); +void FLAC__ogg_decoder_aspect_flush(FLAC__OggDecoderAspect *aspect); +void FLAC__ogg_decoder_aspect_reset(FLAC__OggDecoderAspect *aspect); + +typedef enum { + FLAC__OGG_DECODER_ASPECT_READ_STATUS_OK = 0, + FLAC__OGG_DECODER_ASPECT_READ_STATUS_END_OF_STREAM, + FLAC__OGG_DECODER_ASPECT_READ_STATUS_LOST_SYNC, + FLAC__OGG_DECODER_ASPECT_READ_STATUS_NOT_FLAC, + FLAC__OGG_DECODER_ASPECT_READ_STATUS_UNSUPPORTED_MAPPING_VERSION, + FLAC__OGG_DECODER_ASPECT_READ_STATUS_ABORT, + FLAC__OGG_DECODER_ASPECT_READ_STATUS_ERROR, + FLAC__OGG_DECODER_ASPECT_READ_STATUS_MEMORY_ALLOCATION_ERROR +} FLAC__OggDecoderAspectReadStatus; + +typedef FLAC__OggDecoderAspectReadStatus (*FLAC__OggDecoderAspectReadCallbackProxy)(const void *decoder, FLAC__byte buffer[], size_t *bytes, void *client_data); + +FLAC__OggDecoderAspectReadStatus FLAC__ogg_decoder_aspect_read_callback_wrapper(FLAC__OggDecoderAspect *aspect, FLAC__byte buffer[], size_t *bytes, FLAC__OggDecoderAspectReadCallbackProxy read_callback, const FLAC__StreamDecoder *decoder, void *client_data); + +#endif diff --git a/src/libFLAC/include/private/ogg_encoder_aspect.h b/src/libFLAC/include/private/ogg_encoder_aspect.h new file mode 100644 index 0000000..0e9bb4b --- /dev/null +++ b/src/libFLAC/include/private/ogg_encoder_aspect.h @@ -0,0 +1,63 @@ +/* libFLAC - Free Lossless Audio Codec + * Copyright (C) 2002-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * - Neither the name of the Xiph.org Foundation nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef FLAC__PRIVATE__OGG_ENCODER_ASPECT_H +#define FLAC__PRIVATE__OGG_ENCODER_ASPECT_H + +#include <ogg/ogg.h> + +#include "FLAC/ordinals.h" +#include "FLAC/stream_encoder.h" /* for FLAC__StreamEncoderWriteStatus */ + +typedef struct FLAC__OggEncoderAspect { + /* these are storage for values that can be set through the API */ + long serial_number; + uint32_t num_metadata; + + /* these are for internal state related to Ogg encoding */ + ogg_stream_state stream_state; + ogg_page page; + FLAC__bool seen_magic; /* true if we've seen the fLaC magic in the write callback yet */ + FLAC__bool is_first_packet; + FLAC__uint64 samples_written; +} FLAC__OggEncoderAspect; + +void FLAC__ogg_encoder_aspect_set_serial_number(FLAC__OggEncoderAspect *aspect, long value); +FLAC__bool FLAC__ogg_encoder_aspect_set_num_metadata(FLAC__OggEncoderAspect *aspect, uint32_t value); +void FLAC__ogg_encoder_aspect_set_defaults(FLAC__OggEncoderAspect *aspect); +FLAC__bool FLAC__ogg_encoder_aspect_init(FLAC__OggEncoderAspect *aspect); +void FLAC__ogg_encoder_aspect_finish(FLAC__OggEncoderAspect *aspect); + +typedef FLAC__StreamEncoderWriteStatus (*FLAC__OggEncoderAspectWriteCallbackProxy)(const void *encoder, const FLAC__byte buffer[], size_t bytes, uint32_t samples, uint32_t current_frame, void *client_data); + +FLAC__StreamEncoderWriteStatus FLAC__ogg_encoder_aspect_write_callback_wrapper(FLAC__OggEncoderAspect *aspect, const FLAC__byte buffer[], size_t bytes, uint32_t samples, uint32_t current_frame, FLAC__bool is_last_block, FLAC__OggEncoderAspectWriteCallbackProxy write_callback, void *encoder, void *client_data); +#endif diff --git a/src/libFLAC/include/private/ogg_helper.h b/src/libFLAC/include/private/ogg_helper.h new file mode 100644 index 0000000..6768578 --- /dev/null +++ b/src/libFLAC/include/private/ogg_helper.h @@ -0,0 +1,44 @@ +/* libFLAC - Free Lossless Audio Codec + * Copyright (C) 2004-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * - Neither the name of the Xiph.org Foundation nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef FLAC__PRIVATE__OGG_HELPER_H +#define FLAC__PRIVATE__OGG_HELPER_H + +#include <ogg/ogg.h> +#include "FLAC/stream_encoder.h" /* for FLAC__StreamEncoder */ + +void simple_ogg_page__init(ogg_page *page); +void simple_ogg_page__clear(ogg_page *page); +FLAC__bool simple_ogg_page__get_at(FLAC__StreamEncoder *encoder, FLAC__uint64 position, ogg_page *page, FLAC__StreamEncoderSeekCallback seek_callback, FLAC__StreamEncoderReadCallback read_callback, void *client_data); +FLAC__bool simple_ogg_page__set_at(FLAC__StreamEncoder *encoder, FLAC__uint64 position, ogg_page *page, FLAC__StreamEncoderSeekCallback seek_callback, FLAC__StreamEncoderWriteCallback write_callback, void *client_data); + +#endif diff --git a/src/libFLAC/include/private/ogg_mapping.h b/src/libFLAC/include/private/ogg_mapping.h new file mode 100644 index 0000000..1a213a4 --- /dev/null +++ b/src/libFLAC/include/private/ogg_mapping.h @@ -0,0 +1,64 @@ +/* libFLAC - Free Lossless Audio Codec + * Copyright (C) 2004-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * - Neither the name of the Xiph.org Foundation nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef FLAC__PRIVATE__OGG_MAPPING_H +#define FLAC__PRIVATE__OGG_MAPPING_H + +#include "FLAC/ordinals.h" + +/** The length of the packet type field in bytes. */ +#define FLAC__OGG_MAPPING_PACKET_TYPE_LENGTH (1u) + +extern const uint32_t FLAC__OGG_MAPPING_PACKET_TYPE_LEN; /* = 8 bits */ + +extern const FLAC__byte FLAC__OGG_MAPPING_FIRST_HEADER_PACKET_TYPE; /* = 0x7f */ + +/** The length of the 'FLAC' magic in bytes. */ +#define FLAC__OGG_MAPPING_MAGIC_LENGTH (4u) + +extern const FLAC__byte * const FLAC__OGG_MAPPING_MAGIC; /* = "FLAC" */ + +extern const uint32_t FLAC__OGG_MAPPING_VERSION_MAJOR_LEN; /* = 8 bits */ +extern const uint32_t FLAC__OGG_MAPPING_VERSION_MINOR_LEN; /* = 8 bits */ + +/** The length of the Ogg FLAC mapping major version number in bytes. */ +#define FLAC__OGG_MAPPING_VERSION_MAJOR_LENGTH (1u) + +/** The length of the Ogg FLAC mapping minor version number in bytes. */ +#define FLAC__OGG_MAPPING_VERSION_MINOR_LENGTH (1u) + +extern const uint32_t FLAC__OGG_MAPPING_NUM_HEADERS_LEN; /* = 16 bits */ + +/** The length of the #-of-header-packets number bytes. */ +#define FLAC__OGG_MAPPING_NUM_HEADERS_LENGTH (2u) + +#endif diff --git a/src/libFLAC/include/private/stream_encoder.h b/src/libFLAC/include/private/stream_encoder.h new file mode 100644 index 0000000..0a1b672 --- /dev/null +++ b/src/libFLAC/include/private/stream_encoder.h @@ -0,0 +1,67 @@ +/* libFLAC - Free Lossless Audio Codec library + * Copyright (C) 2000-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * - Neither the name of the Xiph.org Foundation nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef FLAC__PRIVATE__STREAM_ENCODER_H +#define FLAC__PRIVATE__STREAM_ENCODER_H + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +/* + * This is used to avoid overflow with unusual signals in 32-bit + * accumulator in the *precompute_partition_info_sums_* functions. + */ +#define FLAC__MAX_EXTRA_RESIDUAL_BPS 4 + +#if (defined FLAC__CPU_IA32 || defined FLAC__CPU_X86_64) && defined FLAC__HAS_X86INTRIN +#include "private/cpu.h" +#include "FLAC/format.h" + +#ifdef FLAC__SSE2_SUPPORTED +extern void FLAC__precompute_partition_info_sums_intrin_sse2(const FLAC__int32 residual[], FLAC__uint64 abs_residual_partition_sums[], + uint32_t residual_samples, uint32_t predictor_order, uint32_t min_partition_order, uint32_t max_partition_order, uint32_t bps); +#endif + +#ifdef FLAC__SSSE3_SUPPORTED +extern void FLAC__precompute_partition_info_sums_intrin_ssse3(const FLAC__int32 residual[], FLAC__uint64 abs_residual_partition_sums[], + uint32_t residual_samples, uint32_t predictor_order, uint32_t min_partition_order, uint32_t max_partition_order, uint32_t bps); +#endif + +#ifdef FLAC__AVX2_SUPPORTED +extern void FLAC__precompute_partition_info_sums_intrin_avx2(const FLAC__int32 residual[], FLAC__uint64 abs_residual_partition_sums[], + uint32_t residual_samples, uint32_t predictor_order, uint32_t min_partition_order, uint32_t max_partition_order, uint32_t bps); +#endif + +#endif + +#endif diff --git a/src/libFLAC/include/private/stream_encoder_framing.h b/src/libFLAC/include/private/stream_encoder_framing.h new file mode 100644 index 0000000..705965a --- /dev/null +++ b/src/libFLAC/include/private/stream_encoder_framing.h @@ -0,0 +1,46 @@ +/* libFLAC - Free Lossless Audio Codec library + * Copyright (C) 2000-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * - Neither the name of the Xiph.org Foundation nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef FLAC__PRIVATE__STREAM_ENCODER_FRAMING_H +#define FLAC__PRIVATE__STREAM_ENCODER_FRAMING_H + +#include "FLAC/format.h" +#include "bitwriter.h" + +FLAC__bool FLAC__add_metadata_block(const FLAC__StreamMetadata *metadata, FLAC__BitWriter *bw, FLAC__bool update_vendor_string); +FLAC__bool FLAC__frame_add_header(const FLAC__FrameHeader *header, FLAC__BitWriter *bw); +FLAC__bool FLAC__subframe_add_constant(const FLAC__Subframe_Constant *subframe, uint32_t subframe_bps, uint32_t wasted_bits, FLAC__BitWriter *bw); +FLAC__bool FLAC__subframe_add_fixed(const FLAC__Subframe_Fixed *subframe, uint32_t residual_samples, uint32_t subframe_bps, uint32_t wasted_bits, FLAC__BitWriter *bw); +FLAC__bool FLAC__subframe_add_lpc(const FLAC__Subframe_LPC *subframe, uint32_t residual_samples, uint32_t subframe_bps, uint32_t wasted_bits, FLAC__BitWriter *bw); +FLAC__bool FLAC__subframe_add_verbatim(const FLAC__Subframe_Verbatim *subframe, uint32_t samples, uint32_t subframe_bps, uint32_t wasted_bits, FLAC__BitWriter *bw); + +#endif diff --git a/src/libFLAC/include/private/window.h b/src/libFLAC/include/private/window.h new file mode 100644 index 0000000..87a3fdf --- /dev/null +++ b/src/libFLAC/include/private/window.h @@ -0,0 +1,74 @@ +/* libFLAC - Free Lossless Audio Codec library + * Copyright (C) 2006-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * - Neither the name of the Xiph.org Foundation nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef FLAC__PRIVATE__WINDOW_H +#define FLAC__PRIVATE__WINDOW_H + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#include "private/float.h" +#include "FLAC/format.h" + +#ifndef FLAC__INTEGER_ONLY_LIBRARY + +/* + * FLAC__window_*() + * -------------------------------------------------------------------- + * Calculates window coefficients according to different apodization + * functions. + * + * OUT window[0,L-1] + * IN L (number of points in window) + */ +void FLAC__window_bartlett(FLAC__real *window, const FLAC__int32 L); +void FLAC__window_bartlett_hann(FLAC__real *window, const FLAC__int32 L); +void FLAC__window_blackman(FLAC__real *window, const FLAC__int32 L); +void FLAC__window_blackman_harris_4term_92db_sidelobe(FLAC__real *window, const FLAC__int32 L); +void FLAC__window_connes(FLAC__real *window, const FLAC__int32 L); +void FLAC__window_flattop(FLAC__real *window, const FLAC__int32 L); +void FLAC__window_gauss(FLAC__real *window, const FLAC__int32 L, const FLAC__real stddev); /* 0.0 < stddev <= 0.5 */ +void FLAC__window_hamming(FLAC__real *window, const FLAC__int32 L); +void FLAC__window_hann(FLAC__real *window, const FLAC__int32 L); +void FLAC__window_kaiser_bessel(FLAC__real *window, const FLAC__int32 L); +void FLAC__window_nuttall(FLAC__real *window, const FLAC__int32 L); +void FLAC__window_rectangle(FLAC__real *window, const FLAC__int32 L); +void FLAC__window_triangle(FLAC__real *window, const FLAC__int32 L); +void FLAC__window_tukey(FLAC__real *window, const FLAC__int32 L, const FLAC__real p); +void FLAC__window_partial_tukey(FLAC__real *window, const FLAC__int32 L, const FLAC__real p, const FLAC__real start, const FLAC__real end); +void FLAC__window_punchout_tukey(FLAC__real *window, const FLAC__int32 L, const FLAC__real p, const FLAC__real start, const FLAC__real end); +void FLAC__window_welch(FLAC__real *window, const FLAC__int32 L); + +#endif /* !defined FLAC__INTEGER_ONLY_LIBRARY */ + +#endif diff --git a/src/libFLAC/include/protected/Makefile.am b/src/libFLAC/include/protected/Makefile.am new file mode 100644 index 0000000..97e85a8 --- /dev/null +++ b/src/libFLAC/include/protected/Makefile.am @@ -0,0 +1,35 @@ +# libFLAC - Free Lossless Audio Codec library +# Copyright (C) 2001-2009 Josh Coalson +# Copyright (C) 2011-2023 Xiph.Org Foundation +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# +# - Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# +# - Redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in the +# documentation and/or other materials provided with the distribution. +# +# - Neither the name of the Xiph.org Foundation nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR +# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, +# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, +# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR +# PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF +# LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING +# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS +# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +noinst_HEADERS = \ + all.h \ + stream_decoder.h \ + stream_encoder.h diff --git a/src/libFLAC/include/protected/Makefile.in b/src/libFLAC/include/protected/Makefile.in new file mode 100644 index 0000000..5b2e4af --- /dev/null +++ b/src/libFLAC/include/protected/Makefile.in @@ -0,0 +1,581 @@ +# Makefile.in generated by automake 1.16.5 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2021 Free Software Foundation, Inc. + +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. + +@SET_MAKE@ + +# libFLAC - Free Lossless Audio Codec library +# Copyright (C) 2001-2009 Josh Coalson +# Copyright (C) 2011-2023 Xiph.Org Foundation +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# +# - Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# +# - Redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in the +# documentation and/or other materials provided with the distribution. +# +# - Neither the name of the Xiph.org Foundation nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. 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IN NO EVENT SHALL THE FOUNDATION OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef FLAC__PROTECTED__ALL_H +#define FLAC__PROTECTED__ALL_H + +#include "stream_decoder.h" +#include "stream_encoder.h" + +#endif diff --git a/src/libFLAC/include/protected/stream_decoder.h b/src/libFLAC/include/protected/stream_decoder.h new file mode 100644 index 0000000..4a9c768 --- /dev/null +++ b/src/libFLAC/include/protected/stream_decoder.h @@ -0,0 +1,60 @@ +/* libFLAC - Free Lossless Audio Codec library + * Copyright (C) 2000-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * - Neither the name of the Xiph.org Foundation nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef FLAC__PROTECTED__STREAM_DECODER_H +#define FLAC__PROTECTED__STREAM_DECODER_H + +#include "FLAC/stream_decoder.h" +#if FLAC__HAS_OGG +#include "private/ogg_decoder_aspect.h" +#endif + +typedef struct FLAC__StreamDecoderProtected { + FLAC__StreamDecoderState state; + FLAC__StreamDecoderInitStatus initstate; + uint32_t channels; + FLAC__ChannelAssignment channel_assignment; + uint32_t bits_per_sample; + uint32_t sample_rate; /* in Hz */ + uint32_t blocksize; /* in samples (per channel) */ + FLAC__bool md5_checking; /* if true, generate MD5 signature of decoded data and compare against signature in the STREAMINFO metadata block */ +#if FLAC__HAS_OGG + FLAC__OggDecoderAspect ogg_decoder_aspect; +#endif +} FLAC__StreamDecoderProtected; + +/* + * Return the number of input bytes consumed + */ +uint32_t FLAC__stream_decoder_get_input_bytes_unconsumed(const FLAC__StreamDecoder *decoder); + +#endif diff --git a/src/libFLAC/include/protected/stream_encoder.h b/src/libFLAC/include/protected/stream_encoder.h new file mode 100644 index 0000000..863e43b --- /dev/null +++ b/src/libFLAC/include/protected/stream_encoder.h @@ -0,0 +1,124 @@ +/* libFLAC - Free Lossless Audio Codec library + * Copyright (C) 2001-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * - Neither the name of the Xiph.org Foundation nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef FLAC__PROTECTED__STREAM_ENCODER_H +#define FLAC__PROTECTED__STREAM_ENCODER_H + +#include "FLAC/stream_encoder.h" +#if FLAC__HAS_OGG +#include "private/ogg_encoder_aspect.h" +#endif + +#ifndef FLAC__INTEGER_ONLY_LIBRARY + +#include "private/float.h" + +#define FLAC__MAX_APODIZATION_FUNCTIONS 32 + +typedef enum { + FLAC__APODIZATION_BARTLETT, + FLAC__APODIZATION_BARTLETT_HANN, + FLAC__APODIZATION_BLACKMAN, + FLAC__APODIZATION_BLACKMAN_HARRIS_4TERM_92DB_SIDELOBE, + FLAC__APODIZATION_CONNES, + FLAC__APODIZATION_FLATTOP, + FLAC__APODIZATION_GAUSS, + FLAC__APODIZATION_HAMMING, + FLAC__APODIZATION_HANN, + FLAC__APODIZATION_KAISER_BESSEL, + FLAC__APODIZATION_NUTTALL, + FLAC__APODIZATION_RECTANGLE, + FLAC__APODIZATION_TRIANGLE, + FLAC__APODIZATION_TUKEY, + FLAC__APODIZATION_PARTIAL_TUKEY, + FLAC__APODIZATION_PUNCHOUT_TUKEY, + FLAC__APODIZATION_SUBDIVIDE_TUKEY, + FLAC__APODIZATION_WELCH +} FLAC__ApodizationFunction; + +typedef struct { + FLAC__ApodizationFunction type; + union { + struct { + FLAC__real stddev; + } gauss; + struct { + FLAC__real p; + } tukey; + struct { + FLAC__real p; + FLAC__real start; + FLAC__real end; + } multiple_tukey; + struct { + FLAC__real p; + FLAC__int32 parts; + } subdivide_tukey; + } parameters; +} FLAC__ApodizationSpecification; + +#endif // #ifndef FLAC__INTEGER_ONLY_LIBRARY + +typedef struct FLAC__StreamEncoderProtected { + FLAC__StreamEncoderState state; + FLAC__bool verify; + FLAC__bool streamable_subset; + FLAC__bool do_md5; + FLAC__bool do_mid_side_stereo; + FLAC__bool loose_mid_side_stereo; + uint32_t channels; + uint32_t bits_per_sample; + uint32_t sample_rate; + uint32_t blocksize; +#ifndef FLAC__INTEGER_ONLY_LIBRARY + uint32_t num_apodizations; + FLAC__ApodizationSpecification apodizations[FLAC__MAX_APODIZATION_FUNCTIONS]; +#endif + uint32_t max_lpc_order; + uint32_t qlp_coeff_precision; + FLAC__bool do_qlp_coeff_prec_search; + FLAC__bool do_exhaustive_model_search; + FLAC__bool do_escape_coding; + uint32_t min_residual_partition_order; + uint32_t max_residual_partition_order; + uint32_t rice_parameter_search_dist; + FLAC__uint64 total_samples_estimate; + FLAC__bool limit_min_bitrate; + FLAC__StreamMetadata **metadata; + uint32_t num_metadata_blocks; + FLAC__uint64 streaminfo_offset, seektable_offset, audio_offset; +#if FLAC__HAS_OGG + FLAC__OggEncoderAspect ogg_encoder_aspect; +#endif +} FLAC__StreamEncoderProtected; + +#endif diff --git a/src/libFLAC/libFLAC.m4 b/src/libFLAC/libFLAC.m4 new file mode 100644 index 0000000..5dfc5ea --- /dev/null +++ b/src/libFLAC/libFLAC.m4 @@ -0,0 +1,114 @@ +# Configure paths for libFLAC +# "Inspired" by ogg.m4 + +dnl AM_PATH_LIBFLAC([ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]) +dnl Test for libFLAC, and define LIBFLAC_CFLAGS, LIBFLAC_LIBS, LIBFLAC_LIBDIR +dnl +AC_DEFUN([AM_PATH_LIBFLAC], +[dnl +dnl Get the cflags and libraries +dnl +AC_ARG_WITH(libFLAC,[ --with-libFLAC=PFX Prefix where libFLAC is installed (optional)], libFLAC_prefix="$withval", libFLAC_prefix="") +AC_ARG_WITH(libFLAC-libraries,[ --with-libFLAC-libraries=DIR Directory where libFLAC library is installed (optional)], libFLAC_libraries="$withval", libFLAC_libraries="") +AC_ARG_WITH(libFLAC-includes,[ --with-libFLAC-includes=DIR Directory where libFLAC header files are installed (optional)], libFLAC_includes="$withval", libFLAC_includes="") +AC_ARG_ENABLE(libFLACtest, [ --disable-libFLACtest Do not try to compile and run a test libFLAC program],, enable_libFLACtest=yes) + + if test "x$libFLAC_libraries" != "x" ; then + LIBFLAC_LIBS="-L$libFLAC_libraries" + elif test "x$libFLAC_prefix" = "xno" || test "x$libFLAC_prefix" = "xyes" ; then + LIBFLAC_LIBS="" + elif test "x$libFLAC_prefix" != "x" ; then + LIBFLAC_LIBS="-L$libFLAC_prefix/lib" + elif test "x$prefix" != "xNONE"; then + LIBFLAC_LIBS="-L$prefix/lib" + fi + + if test "x$libFLAC_prefix" != "xno" ; then + LIBFLAC_LIBS="$LIBFLAC_LIBS -lFLAC $OGG_LIBS -lm" + fi + + if test "x$libFLAC_includes" != "x" ; then + LIBFLAC_CFLAGS="-I$libFLAC_includes" + elif test "x$libFLAC_prefix" != "x" ; then + LIBFLAC_CFLAGS="-I$libFLAC_prefix/include" + elif test "$prefix" != "xNONE"; then + LIBFLAC_CFLAGS="" + fi + + AC_MSG_CHECKING(for libFLAC) + no_libFLAC="" + + + if test "x$enable_libFLACtest" = "xyes" ; then + ac_save_CFLAGS="$CFLAGS" + ac_save_CXXFLAGS="$CXXFLAGS" + ac_save_LIBS="$LIBS" + ac_save_LD_LIBRARY_PATH="$LD_LIBRARY_PATH" + CFLAGS="$CFLAGS $LIBFLAC_CFLAGS" + CXXFLAGS="$CXXFLAGS $LIBFLAC_CFLAGS" + LIBS="$LIBS $LIBFLAC_LIBS" + LD_LIBRARY_PATH="$LIBFLAC_LIBDIR:$LD_LIBRARY_PATH" +dnl +dnl Now check if the installed libFLAC is sufficiently new. +dnl + rm -f conf.libFLACtest + AC_RUN_IFELSE([AC_LANG_PROGRAM([[ +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <FLAC/format.h> +]],[[ + system("touch conf.libFLACtest"); + return 0; +]])],[],[no_libFLAC=yes],[echo $ac_n "cross compiling; assumed OK... $ac_c"]) + CFLAGS="$ac_save_CFLAGS" + CXXFLAGS="$ac_save_CXXFLAGS" + LIBS="$ac_save_LIBS" + LD_LIBRARY_PATH="$ac_save_LD_LIBRARY_PATH" + fi + + if test "x$no_libFLAC" = "x" ; then + AC_MSG_RESULT(yes) + ifelse([$1], , :, [$1]) + else + AC_MSG_RESULT(no) + if test -f conf.libFLACtest ; then + : + else + echo "*** Could not run libFLAC test program, checking why..." + CFLAGS="$CFLAGS $LIBFLAC_CFLAGS" + CXXFLAGS="$CXXFLAGS $LIBFLAC_CFLAGS" + LIBS="$LIBS $LIBFLAC_LIBS" + LD_LIBRARY_PATH="$LIBFLAC_LIBDIR:$LD_LIBRARY_PATH" + AC_TRY_LINK([ +#include <stdio.h> +#include <FLAC/format.h> +], [ return 0; ], + [ echo "*** The test program compiled, but did not run. This usually means" + echo "*** that the run-time linker is not finding libFLAC or finding the wrong" + echo "*** version of libFLAC. If it is not finding libFLAC, you'll need to set your" + echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point" + echo "*** to the installed location Also, make sure you have run ldconfig if that" + echo "*** is required on your system" + echo "***" + echo "*** If you have an old version installed, it is best to remove it, although" + echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"], + [ echo "*** The test program failed to compile or link. See the file config.log for the" + echo "*** exact error that occurred. This usually means libFLAC was incorrectly installed" + echo "*** or that you have moved libFLAC since it was installed. In the latter case, you" + echo "*** may want to edit the libFLAC-config script: $LIBFLAC_CONFIG" ]) + CFLAGS="$ac_save_CFLAGS" + CXXFLAGS="$ac_save_CXXFLAGS" + LIBS="$ac_save_LIBS" + LD_LIBRARY_PATH="$ac_save_LD_LIBRARY_PATH" + fi + LIBFLAC_CFLAGS="" + LIBFLAC_LIBDIR="" + LIBFLAC_LIBS="" + ifelse([$2], , :, [$2]) + fi + AC_SUBST(LIBFLAC_CFLAGS) + AC_SUBST(LIBFLAC_LIBDIR) + AC_SUBST(LIBFLAC_LIBS) + rm -f conf.libFLACtest +]) diff --git a/src/libFLAC/lpc.c b/src/libFLAC/lpc.c new file mode 100644 index 0000000..bcb8673 --- /dev/null +++ b/src/libFLAC/lpc.c @@ -0,0 +1,1629 @@ +/* libFLAC - Free Lossless Audio Codec library + * Copyright (C) 2000-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * - Neither the name of the Xiph.org Foundation nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include <math.h> +#include <stdlib.h> + +#include "FLAC/assert.h" +#include "FLAC/format.h" +#include "share/compat.h" +#include "private/bitmath.h" +#include "private/lpc.h" +#include "private/macros.h" + +#if !defined(NDEBUG) || defined FLAC__OVERFLOW_DETECT || defined FLAC__OVERFLOW_DETECT_VERBOSE +#include <stdio.h> +#endif + +/* OPT: #undef'ing this may improve the speed on some architectures */ +#define FLAC__LPC_UNROLLED_FILTER_LOOPS + +#ifndef FLAC__INTEGER_ONLY_LIBRARY + +#if defined(_MSC_VER) && (_MSC_VER < 1800) +#include <float.h> +static inline long int lround(double x) { + return (long)(x + _copysign(0.5, x)); +} +#elif !defined(HAVE_LROUND) && defined(__GNUC__) +static inline long int lround(double x) { + return (long)(x + __builtin_copysign(0.5, x)); +} +/* If this fails, we are in the presence of a mid 90's compiler, move along... */ +#endif + +void FLAC__lpc_window_data(const FLAC__int32 in[], const FLAC__real window[], FLAC__real out[], uint32_t data_len) +{ + uint32_t i; + for(i = 0; i < data_len; i++) + out[i] = in[i] * window[i]; +} + +void FLAC__lpc_window_data_wide(const FLAC__int64 in[], const FLAC__real window[], FLAC__real out[], uint32_t data_len) +{ + uint32_t i; + for(i = 0; i < data_len; i++) + out[i] = in[i] * window[i]; +} + +void FLAC__lpc_window_data_partial(const FLAC__int32 in[], const FLAC__real window[], FLAC__real out[], uint32_t data_len, uint32_t part_size, uint32_t data_shift) +{ + uint32_t i, j; + if((part_size + data_shift) < data_len){ + for(i = 0; i < part_size; i++) + out[i] = in[data_shift+i] * window[i]; + i = flac_min(i,data_len - part_size - data_shift); + for(j = data_len - part_size; j < data_len; i++, j++) + out[i] = in[data_shift+i] * window[j]; + if(i < data_len) + out[i] = 0.0f; + } +} + +void FLAC__lpc_window_data_partial_wide(const FLAC__int64 in[], const FLAC__real window[], FLAC__real out[], uint32_t data_len, uint32_t part_size, uint32_t data_shift) +{ + uint32_t i, j; + if((part_size + data_shift) < data_len){ + for(i = 0; i < part_size; i++) + out[i] = in[data_shift+i] * window[i]; + i = flac_min(i,data_len - part_size - data_shift); + for(j = data_len - part_size; j < data_len; i++, j++) + out[i] = in[data_shift+i] * window[j]; + if(i < data_len) + out[i] = 0.0f; + } +} + +void FLAC__lpc_compute_autocorrelation(const FLAC__real data[], uint32_t data_len, uint32_t lag, double autoc[]) +{ + /* a readable, but slower, version */ +#if 0 + double d; + uint32_t i; + + FLAC__ASSERT(lag > 0); + FLAC__ASSERT(lag <= data_len); + + /* + * Technically we should subtract the mean first like so: + * for(i = 0; i < data_len; i++) + * data[i] -= mean; + * but it appears not to make enough of a difference to matter, and + * most signals are already closely centered around zero + */ + while(lag--) { + for(i = lag, d = 0.0; i < data_len; i++) + d += data[i] * (double)data[i - lag]; + autoc[lag] = d; + } +#endif + if (data_len < FLAC__MAX_LPC_ORDER || lag > 16) { + /* + * this version tends to run faster because of better data locality + * ('data_len' is usually much larger than 'lag') + */ + double d; + uint32_t sample, coeff; + const uint32_t limit = data_len - lag; + + FLAC__ASSERT(lag > 0); + FLAC__ASSERT(lag <= data_len); + + for(coeff = 0; coeff < lag; coeff++) + autoc[coeff] = 0.0; + for(sample = 0; sample <= limit; sample++) { + d = data[sample]; + for(coeff = 0; coeff < lag; coeff++) + autoc[coeff] += d * data[sample+coeff]; + } + for(; sample < data_len; sample++) { + d = data[sample]; + for(coeff = 0; coeff < data_len - sample; coeff++) + autoc[coeff] += d * data[sample+coeff]; + } + } + else if(lag <= 8) { + #undef MAX_LAG + #define MAX_LAG 8 + #include "deduplication/lpc_compute_autocorrelation_intrin.c" + } + else if(lag <= 12) { + #undef MAX_LAG + #define MAX_LAG 12 + #include "deduplication/lpc_compute_autocorrelation_intrin.c" + } + else if(lag <= 16) { + #undef MAX_LAG + #define MAX_LAG 16 + #include "deduplication/lpc_compute_autocorrelation_intrin.c" + } + +} + +void FLAC__lpc_compute_lp_coefficients(const double autoc[], uint32_t *max_order, FLAC__real lp_coeff[][FLAC__MAX_LPC_ORDER], double error[]) +{ + uint32_t i, j; + double r, err, lpc[FLAC__MAX_LPC_ORDER]; + + FLAC__ASSERT(0 != max_order); + FLAC__ASSERT(0 < *max_order); + FLAC__ASSERT(*max_order <= FLAC__MAX_LPC_ORDER); + FLAC__ASSERT(autoc[0] != 0.0); + + err = autoc[0]; + + for(i = 0; i < *max_order; i++) { + /* Sum up this iteration's reflection coefficient. */ + r = -autoc[i+1]; + for(j = 0; j < i; j++) + r -= lpc[j] * autoc[i-j]; + r /= err; + + /* Update LPC coefficients and total error. */ + lpc[i]=r; + for(j = 0; j < (i>>1); j++) { + double tmp = lpc[j]; + lpc[j] += r * lpc[i-1-j]; + lpc[i-1-j] += r * tmp; + } + if(i & 1) + lpc[j] += lpc[j] * r; + + err *= (1.0 - r * r); + + /* save this order */ + for(j = 0; j <= i; j++) + lp_coeff[i][j] = (FLAC__real)(-lpc[j]); /* negate FIR filter coeff to get predictor coeff */ + error[i] = err; + + /* see SF bug https://sourceforge.net/p/flac/bugs/234/ */ + if(err == 0.0) { + *max_order = i+1; + return; + } + } +} + +int FLAC__lpc_quantize_coefficients(const FLAC__real lp_coeff[], uint32_t order, uint32_t precision, FLAC__int32 qlp_coeff[], int *shift) +{ + uint32_t i; + double cmax; + FLAC__int32 qmax, qmin; + + FLAC__ASSERT(precision > 0); + FLAC__ASSERT(precision >= FLAC__MIN_QLP_COEFF_PRECISION); + + /* drop one bit for the sign; from here on out we consider only |lp_coeff[i]| */ + precision--; + qmax = 1 << precision; + qmin = -qmax; + qmax--; + + /* calc cmax = max( |lp_coeff[i]| ) */ + cmax = 0.0; + for(i = 0; i < order; i++) { + const double d = fabs(lp_coeff[i]); + if(d > cmax) + cmax = d; + } + + if(cmax <= 0.0) { + /* => coefficients are all 0, which means our constant-detect didn't work */ + return 2; + } + else { + const int max_shiftlimit = (1 << (FLAC__SUBFRAME_LPC_QLP_SHIFT_LEN-1)) - 1; + const int min_shiftlimit = -max_shiftlimit - 1; + int log2cmax; + + (void)frexp(cmax, &log2cmax); + log2cmax--; + *shift = (int)precision - log2cmax - 1; + + if(*shift > max_shiftlimit) + *shift = max_shiftlimit; + else if(*shift < min_shiftlimit) + return 1; + } + + if(*shift >= 0) { + double error = 0.0; + FLAC__int32 q; + for(i = 0; i < order; i++) { + error += lp_coeff[i] * (1 << *shift); + q = lround(error); + +#ifdef FLAC__OVERFLOW_DETECT + if(q > qmax+1) /* we expect q==qmax+1 occasionally due to rounding */ + fprintf(stderr,"FLAC__lpc_quantize_coefficients: quantizer overflow: q>qmax %d>%d shift=%d cmax=%f precision=%u lpc[%u]=%f\n",q,qmax,*shift,cmax,precision+1,i,lp_coeff[i]); + else if(q < qmin) + fprintf(stderr,"FLAC__lpc_quantize_coefficients: quantizer overflow: q<qmin %d<%d shift=%d cmax=%f precision=%u lpc[%u]=%f\n",q,qmin,*shift,cmax,precision+1,i,lp_coeff[i]); +#endif + if(q > qmax) + q = qmax; + else if(q < qmin) + q = qmin; + error -= q; + qlp_coeff[i] = q; + } + } + /* negative shift is very rare but due to design flaw, negative shift is + * not allowed in the decoder, so it must be handled specially by scaling + * down coeffs + */ + else { + const int nshift = -(*shift); + double error = 0.0; + FLAC__int32 q; +#ifndef NDEBUG + fprintf(stderr,"FLAC__lpc_quantize_coefficients: negative shift=%d order=%u cmax=%f\n", *shift, order, cmax); +#endif + for(i = 0; i < order; i++) { + error += lp_coeff[i] / (1 << nshift); + q = lround(error); +#ifdef FLAC__OVERFLOW_DETECT + if(q > qmax+1) /* we expect q==qmax+1 occasionally due to rounding */ + fprintf(stderr,"FLAC__lpc_quantize_coefficients: quantizer overflow: q>qmax %d>%d shift=%d cmax=%f precision=%u lpc[%u]=%f\n",q,qmax,*shift,cmax,precision+1,i,lp_coeff[i]); + else if(q < qmin) + fprintf(stderr,"FLAC__lpc_quantize_coefficients: quantizer overflow: q<qmin %d<%d shift=%d cmax=%f precision=%u lpc[%u]=%f\n",q,qmin,*shift,cmax,precision+1,i,lp_coeff[i]); +#endif + if(q > qmax) + q = qmax; + else if(q < qmin) + q = qmin; + error -= q; + qlp_coeff[i] = q; + } + *shift = 0; + } + + return 0; +} + +#if defined(_MSC_VER) +// silence MSVC warnings about __restrict modifier +#pragma warning ( disable : 4028 ) +#endif + +void FLAC__lpc_compute_residual_from_qlp_coefficients(const FLAC__int32 * flac_restrict data, uint32_t data_len, const FLAC__int32 * flac_restrict qlp_coeff, uint32_t order, int lp_quantization, FLAC__int32 * flac_restrict residual) +#if defined(FLAC__OVERFLOW_DETECT) || !defined(FLAC__LPC_UNROLLED_FILTER_LOOPS) +{ + FLAC__int64 sumo; + uint32_t i, j; + FLAC__int32 sum; + const FLAC__int32 *history; + +#ifdef FLAC__OVERFLOW_DETECT_VERBOSE + fprintf(stderr,"FLAC__lpc_compute_residual_from_qlp_coefficients: data_len=%d, order=%u, lpq=%d",data_len,order,lp_quantization); + for(i=0;i<order;i++) + fprintf(stderr,", q[%u]=%d",i,qlp_coeff[i]); + fprintf(stderr,"\n"); +#endif + FLAC__ASSERT(order > 0); + + for(i = 0; i < data_len; i++) { + sumo = 0; + sum = 0; + history = data; + for(j = 0; j < order; j++) { + sum += qlp_coeff[j] * (*(--history)); + sumo += (FLAC__int64)qlp_coeff[j] * (FLAC__int64)(*history); + if(sumo > 2147483647ll || sumo < -2147483648ll) + fprintf(stderr,"FLAC__lpc_compute_residual_from_qlp_coefficients: OVERFLOW, i=%u, j=%u, c=%d, d=%d, sumo=%" PRId64 "\n",i,j,qlp_coeff[j],*history,sumo); + } + *(residual++) = *(data++) - (sum >> lp_quantization); + } + + /* Here's a slower but clearer version: + for(i = 0; i < data_len; i++) { + sum = 0; + for(j = 0; j < order; j++) + sum += qlp_coeff[j] * data[i-j-1]; + residual[i] = data[i] - (sum >> lp_quantization); + } + */ +} +#else /* fully unrolled version for normal use */ +{ + int i; + FLAC__int32 sum; + + FLAC__ASSERT(order > 0); + FLAC__ASSERT(order <= 32); + + /* + * We do unique versions up to 12th order since that's the subset limit. + * Also they are roughly ordered to match frequency of occurrence to + * minimize branching. + */ + if(order <= 12) { + if(order > 8) { + if(order > 10) { + if(order == 12) { + for(i = 0; i < (int)data_len; i++) { + sum = 0; + sum += qlp_coeff[11] * data[i-12]; + sum += qlp_coeff[10] * data[i-11]; + sum += qlp_coeff[9] * data[i-10]; + sum += qlp_coeff[8] * data[i-9]; + sum += qlp_coeff[7] * data[i-8]; + sum += qlp_coeff[6] * data[i-7]; + sum += qlp_coeff[5] * data[i-6]; + sum += qlp_coeff[4] * data[i-5]; + sum += qlp_coeff[3] * data[i-4]; + sum += qlp_coeff[2] * data[i-3]; + sum += qlp_coeff[1] * data[i-2]; + sum += qlp_coeff[0] * data[i-1]; + residual[i] = data[i] - (sum >> lp_quantization); + } + } + else { /* order == 11 */ + for(i = 0; i < (int)data_len; i++) { + sum = 0; + sum += qlp_coeff[10] * data[i-11]; + sum += qlp_coeff[9] * data[i-10]; + sum += qlp_coeff[8] * data[i-9]; + sum += qlp_coeff[7] * data[i-8]; + sum += qlp_coeff[6] * data[i-7]; + sum += qlp_coeff[5] * data[i-6]; + sum += qlp_coeff[4] * data[i-5]; + sum += qlp_coeff[3] * data[i-4]; + sum += qlp_coeff[2] * data[i-3]; + sum += qlp_coeff[1] * data[i-2]; + sum += qlp_coeff[0] * data[i-1]; + residual[i] = data[i] - (sum >> lp_quantization); + } + } + } + else { + if(order == 10) { + for(i = 0; i < (int)data_len; i++) { + sum = 0; + sum += qlp_coeff[9] * data[i-10]; + sum += qlp_coeff[8] * data[i-9]; + sum += qlp_coeff[7] * data[i-8]; + sum += qlp_coeff[6] * data[i-7]; + sum += qlp_coeff[5] * data[i-6]; + sum += qlp_coeff[4] * data[i-5]; + sum += qlp_coeff[3] * data[i-4]; + sum += qlp_coeff[2] * data[i-3]; + sum += qlp_coeff[1] * data[i-2]; + sum += qlp_coeff[0] * data[i-1]; + residual[i] = data[i] - (sum >> lp_quantization); + } + } + else { /* order == 9 */ + for(i = 0; i < (int)data_len; i++) { + sum = 0; + sum += qlp_coeff[8] * data[i-9]; + sum += qlp_coeff[7] * data[i-8]; + sum += qlp_coeff[6] * data[i-7]; + sum += qlp_coeff[5] * data[i-6]; + sum += qlp_coeff[4] * data[i-5]; + sum += qlp_coeff[3] * data[i-4]; + sum += qlp_coeff[2] * data[i-3]; + sum += qlp_coeff[1] * data[i-2]; + sum += qlp_coeff[0] * data[i-1]; + residual[i] = data[i] - (sum >> lp_quantization); + } + } + } + } + else if(order > 4) { + if(order > 6) { + if(order == 8) { + for(i = 0; i < (int)data_len; i++) { + sum = 0; + sum += qlp_coeff[7] * data[i-8]; + sum += qlp_coeff[6] * data[i-7]; + sum += qlp_coeff[5] * data[i-6]; + sum += qlp_coeff[4] * data[i-5]; + sum += qlp_coeff[3] * data[i-4]; + sum += qlp_coeff[2] * data[i-3]; + sum += qlp_coeff[1] * data[i-2]; + sum += qlp_coeff[0] * data[i-1]; + residual[i] = data[i] - (sum >> lp_quantization); + } + } + else { /* order == 7 */ + for(i = 0; i < (int)data_len; i++) { + sum = 0; + sum += qlp_coeff[6] * data[i-7]; + sum += qlp_coeff[5] * data[i-6]; + sum += qlp_coeff[4] * data[i-5]; + sum += qlp_coeff[3] * data[i-4]; + sum += qlp_coeff[2] * data[i-3]; + sum += qlp_coeff[1] * data[i-2]; + sum += qlp_coeff[0] * data[i-1]; + residual[i] = data[i] - (sum >> lp_quantization); + } + } + } + else { + if(order == 6) { + for(i = 0; i < (int)data_len; i++) { + sum = 0; + sum += qlp_coeff[5] * data[i-6]; + sum += qlp_coeff[4] * data[i-5]; + sum += qlp_coeff[3] * data[i-4]; + sum += qlp_coeff[2] * data[i-3]; + sum += qlp_coeff[1] * data[i-2]; + sum += qlp_coeff[0] * data[i-1]; + residual[i] = data[i] - (sum >> lp_quantization); + } + } + else { /* order == 5 */ + for(i = 0; i < (int)data_len; i++) { + sum = 0; + sum += qlp_coeff[4] * data[i-5]; + sum += qlp_coeff[3] * data[i-4]; + sum += qlp_coeff[2] * data[i-3]; + sum += qlp_coeff[1] * data[i-2]; + sum += qlp_coeff[0] * data[i-1]; + residual[i] = data[i] - (sum >> lp_quantization); + } + } + } + } + else { + if(order > 2) { + if(order == 4) { + for(i = 0; i < (int)data_len; i++) { + sum = 0; + sum += qlp_coeff[3] * data[i-4]; + sum += qlp_coeff[2] * data[i-3]; + sum += qlp_coeff[1] * data[i-2]; + sum += qlp_coeff[0] * data[i-1]; + residual[i] = data[i] - (sum >> lp_quantization); + } + } + else { /* order == 3 */ + for(i = 0; i < (int)data_len; i++) { + sum = 0; + sum += qlp_coeff[2] * data[i-3]; + sum += qlp_coeff[1] * data[i-2]; + sum += qlp_coeff[0] * data[i-1]; + residual[i] = data[i] - (sum >> lp_quantization); + } + } + } + else { + if(order == 2) { + for(i = 0; i < (int)data_len; i++) { + sum = 0; + sum += qlp_coeff[1] * data[i-2]; + sum += qlp_coeff[0] * data[i-1]; + residual[i] = data[i] - (sum >> lp_quantization); + } + } + else { /* order == 1 */ + for(i = 0; i < (int)data_len; i++) + residual[i] = data[i] - ((qlp_coeff[0] * data[i-1]) >> lp_quantization); + } + } + } + } + else { /* order > 12 */ + for(i = 0; i < (int)data_len; i++) { + sum = 0; + switch(order) { + case 32: sum += qlp_coeff[31] * data[i-32]; /* Falls through. */ + case 31: sum += qlp_coeff[30] * data[i-31]; /* Falls through. */ + case 30: sum += qlp_coeff[29] * data[i-30]; /* Falls through. */ + case 29: sum += qlp_coeff[28] * data[i-29]; /* Falls through. */ + case 28: sum += qlp_coeff[27] * data[i-28]; /* Falls through. */ + case 27: sum += qlp_coeff[26] * data[i-27]; /* Falls through. */ + case 26: sum += qlp_coeff[25] * data[i-26]; /* Falls through. */ + case 25: sum += qlp_coeff[24] * data[i-25]; /* Falls through. */ + case 24: sum += qlp_coeff[23] * data[i-24]; /* Falls through. */ + case 23: sum += qlp_coeff[22] * data[i-23]; /* Falls through. */ + case 22: sum += qlp_coeff[21] * data[i-22]; /* Falls through. */ + case 21: sum += qlp_coeff[20] * data[i-21]; /* Falls through. */ + case 20: sum += qlp_coeff[19] * data[i-20]; /* Falls through. */ + case 19: sum += qlp_coeff[18] * data[i-19]; /* Falls through. */ + case 18: sum += qlp_coeff[17] * data[i-18]; /* Falls through. */ + case 17: sum += qlp_coeff[16] * data[i-17]; /* Falls through. */ + case 16: sum += qlp_coeff[15] * data[i-16]; /* Falls through. */ + case 15: sum += qlp_coeff[14] * data[i-15]; /* Falls through. */ + case 14: sum += qlp_coeff[13] * data[i-14]; /* Falls through. */ + case 13: sum += qlp_coeff[12] * data[i-13]; + sum += qlp_coeff[11] * data[i-12]; + sum += qlp_coeff[10] * data[i-11]; + sum += qlp_coeff[ 9] * data[i-10]; + sum += qlp_coeff[ 8] * data[i- 9]; + sum += qlp_coeff[ 7] * data[i- 8]; + sum += qlp_coeff[ 6] * data[i- 7]; + sum += qlp_coeff[ 5] * data[i- 6]; + sum += qlp_coeff[ 4] * data[i- 5]; + sum += qlp_coeff[ 3] * data[i- 4]; + sum += qlp_coeff[ 2] * data[i- 3]; + sum += qlp_coeff[ 1] * data[i- 2]; + sum += qlp_coeff[ 0] * data[i- 1]; + } + residual[i] = data[i] - (sum >> lp_quantization); + } + } +} +#endif + +void FLAC__lpc_compute_residual_from_qlp_coefficients_wide(const FLAC__int32 * flac_restrict data, uint32_t data_len, const FLAC__int32 * flac_restrict qlp_coeff, uint32_t order, int lp_quantization, FLAC__int32 * flac_restrict residual) +#if defined(FLAC__OVERFLOW_DETECT) || !defined(FLAC__LPC_UNROLLED_FILTER_LOOPS) +{ + uint32_t i, j; + FLAC__int64 sum; + const FLAC__int32 *history; + +#ifdef FLAC__OVERFLOW_DETECT_VERBOSE + fprintf(stderr,"FLAC__lpc_compute_residual_from_qlp_coefficients_wide: data_len=%d, order=%u, lpq=%d",data_len,order,lp_quantization); + for(i=0;i<order;i++) + fprintf(stderr,", q[%u]=%d",i,qlp_coeff[i]); + fprintf(stderr,"\n"); +#endif + FLAC__ASSERT(order > 0); + + for(i = 0; i < data_len; i++) { + sum = 0; + history = data; + for(j = 0; j < order; j++) + sum += (FLAC__int64)qlp_coeff[j] * (FLAC__int64)(*(--history)); + if(FLAC__bitmath_silog2((FLAC__int64)(*data) - (sum >> lp_quantization)) > 32) { + fprintf(stderr,"FLAC__lpc_compute_residual_from_qlp_coefficients_wide: OVERFLOW, i=%u, data=%d, sum=%" PRId64 ", residual=%" PRId64 "\n", i, *data, (int64_t)(sum >> lp_quantization), ((FLAC__int64)(*data) - (sum >> lp_quantization))); + break; + } + *(residual++) = *(data++) - (FLAC__int32)(sum >> lp_quantization); + } +} +#else /* fully unrolled version for normal use */ +{ + int i; + FLAC__int64 sum; + + FLAC__ASSERT(order > 0); + FLAC__ASSERT(order <= 32); + + /* + * We do unique versions up to 12th order since that's the subset limit. + * Also they are roughly ordered to match frequency of occurrence to + * minimize branching. + */ + if(order <= 12) { + if(order > 8) { + if(order > 10) { + if(order == 12) { + for(i = 0; i < (int)data_len; i++) { + sum = 0; + sum += qlp_coeff[11] * (FLAC__int64)data[i-12]; + sum += qlp_coeff[10] * (FLAC__int64)data[i-11]; + sum += qlp_coeff[9] * (FLAC__int64)data[i-10]; + sum += qlp_coeff[8] * (FLAC__int64)data[i-9]; + sum += qlp_coeff[7] * (FLAC__int64)data[i-8]; + sum += qlp_coeff[6] * (FLAC__int64)data[i-7]; + sum += qlp_coeff[5] * (FLAC__int64)data[i-6]; + sum += qlp_coeff[4] * (FLAC__int64)data[i-5]; + sum += qlp_coeff[3] * (FLAC__int64)data[i-4]; + sum += qlp_coeff[2] * (FLAC__int64)data[i-3]; + sum += qlp_coeff[1] * (FLAC__int64)data[i-2]; + sum += qlp_coeff[0] * (FLAC__int64)data[i-1]; + residual[i] = data[i] - (sum >> lp_quantization); + } + } + else { /* order == 11 */ + for(i = 0; i < (int)data_len; i++) { + sum = 0; + sum += qlp_coeff[10] * (FLAC__int64)data[i-11]; + sum += qlp_coeff[9] * (FLAC__int64)data[i-10]; + sum += qlp_coeff[8] * (FLAC__int64)data[i-9]; + sum += qlp_coeff[7] * (FLAC__int64)data[i-8]; + sum += qlp_coeff[6] * (FLAC__int64)data[i-7]; + sum += qlp_coeff[5] * (FLAC__int64)data[i-6]; + sum += qlp_coeff[4] * (FLAC__int64)data[i-5]; + sum += qlp_coeff[3] * (FLAC__int64)data[i-4]; + sum += qlp_coeff[2] * (FLAC__int64)data[i-3]; + sum += qlp_coeff[1] * (FLAC__int64)data[i-2]; + sum += qlp_coeff[0] * (FLAC__int64)data[i-1]; + residual[i] = data[i] - (sum >> lp_quantization); + } + } + } + else { + if(order == 10) { + for(i = 0; i < (int)data_len; i++) { + sum = 0; + sum += qlp_coeff[9] * (FLAC__int64)data[i-10]; + sum += qlp_coeff[8] * (FLAC__int64)data[i-9]; + sum += qlp_coeff[7] * (FLAC__int64)data[i-8]; + sum += qlp_coeff[6] * (FLAC__int64)data[i-7]; + sum += qlp_coeff[5] * (FLAC__int64)data[i-6]; + sum += qlp_coeff[4] * (FLAC__int64)data[i-5]; + sum += qlp_coeff[3] * (FLAC__int64)data[i-4]; + sum += qlp_coeff[2] * (FLAC__int64)data[i-3]; + sum += qlp_coeff[1] * (FLAC__int64)data[i-2]; + sum += qlp_coeff[0] * (FLAC__int64)data[i-1]; + residual[i] = data[i] - (sum >> lp_quantization); + } + } + else { /* order == 9 */ + for(i = 0; i < (int)data_len; i++) { + sum = 0; + sum += qlp_coeff[8] * (FLAC__int64)data[i-9]; + sum += qlp_coeff[7] * (FLAC__int64)data[i-8]; + sum += qlp_coeff[6] * (FLAC__int64)data[i-7]; + sum += qlp_coeff[5] * (FLAC__int64)data[i-6]; + sum += qlp_coeff[4] * (FLAC__int64)data[i-5]; + sum += qlp_coeff[3] * (FLAC__int64)data[i-4]; + sum += qlp_coeff[2] * (FLAC__int64)data[i-3]; + sum += qlp_coeff[1] * (FLAC__int64)data[i-2]; + sum += qlp_coeff[0] * (FLAC__int64)data[i-1]; + residual[i] = data[i] - (sum >> lp_quantization); + } + } + } + } + else if(order > 4) { + if(order > 6) { + if(order == 8) { + for(i = 0; i < (int)data_len; i++) { + sum = 0; + sum += qlp_coeff[7] * (FLAC__int64)data[i-8]; + sum += qlp_coeff[6] * (FLAC__int64)data[i-7]; + sum += qlp_coeff[5] * (FLAC__int64)data[i-6]; + sum += qlp_coeff[4] * (FLAC__int64)data[i-5]; + sum += qlp_coeff[3] * (FLAC__int64)data[i-4]; + sum += qlp_coeff[2] * (FLAC__int64)data[i-3]; + sum += qlp_coeff[1] * (FLAC__int64)data[i-2]; + sum += qlp_coeff[0] * (FLAC__int64)data[i-1]; + residual[i] = data[i] - (sum >> lp_quantization); + } + } + else { /* order == 7 */ + for(i = 0; i < (int)data_len; i++) { + sum = 0; + sum += qlp_coeff[6] * (FLAC__int64)data[i-7]; + sum += qlp_coeff[5] * (FLAC__int64)data[i-6]; + sum += qlp_coeff[4] * (FLAC__int64)data[i-5]; + sum += qlp_coeff[3] * (FLAC__int64)data[i-4]; + sum += qlp_coeff[2] * (FLAC__int64)data[i-3]; + sum += qlp_coeff[1] * (FLAC__int64)data[i-2]; + sum += qlp_coeff[0] * (FLAC__int64)data[i-1]; + residual[i] = data[i] - (sum >> lp_quantization); + } + } + } + else { + if(order == 6) { + for(i = 0; i < (int)data_len; i++) { + sum = 0; + sum += qlp_coeff[5] * (FLAC__int64)data[i-6]; + sum += qlp_coeff[4] * (FLAC__int64)data[i-5]; + sum += qlp_coeff[3] * (FLAC__int64)data[i-4]; + sum += qlp_coeff[2] * (FLAC__int64)data[i-3]; + sum += qlp_coeff[1] * (FLAC__int64)data[i-2]; + sum += qlp_coeff[0] * (FLAC__int64)data[i-1]; + residual[i] = data[i] - (sum >> lp_quantization); + } + } + else { /* order == 5 */ + for(i = 0; i < (int)data_len; i++) { + sum = 0; + sum += qlp_coeff[4] * (FLAC__int64)data[i-5]; + sum += qlp_coeff[3] * (FLAC__int64)data[i-4]; + sum += qlp_coeff[2] * (FLAC__int64)data[i-3]; + sum += qlp_coeff[1] * (FLAC__int64)data[i-2]; + sum += qlp_coeff[0] * (FLAC__int64)data[i-1]; + residual[i] = data[i] - (sum >> lp_quantization); + } + } + } + } + else { + if(order > 2) { + if(order == 4) { + for(i = 0; i < (int)data_len; i++) { + sum = 0; + sum += qlp_coeff[3] * (FLAC__int64)data[i-4]; + sum += qlp_coeff[2] * (FLAC__int64)data[i-3]; + sum += qlp_coeff[1] * (FLAC__int64)data[i-2]; + sum += qlp_coeff[0] * (FLAC__int64)data[i-1]; + residual[i] = data[i] - (sum >> lp_quantization); + } + } + else { /* order == 3 */ + for(i = 0; i < (int)data_len; i++) { + sum = 0; + sum += qlp_coeff[2] * (FLAC__int64)data[i-3]; + sum += qlp_coeff[1] * (FLAC__int64)data[i-2]; + sum += qlp_coeff[0] * (FLAC__int64)data[i-1]; + residual[i] = data[i] - (sum >> lp_quantization); + } + } + } + else { + if(order == 2) { + for(i = 0; i < (int)data_len; i++) { + sum = 0; + sum += qlp_coeff[1] * (FLAC__int64)data[i-2]; + sum += qlp_coeff[0] * (FLAC__int64)data[i-1]; + residual[i] = data[i] - (sum >> lp_quantization); + } + } + else { /* order == 1 */ + for(i = 0; i < (int)data_len; i++) + residual[i] = data[i] - ((qlp_coeff[0] * (FLAC__int64)data[i-1]) >> lp_quantization); + } + } + } + } + else { /* order > 12 */ + for(i = 0; i < (int)data_len; i++) { + sum = 0; + switch(order) { + case 32: sum += qlp_coeff[31] * (FLAC__int64)data[i-32]; /* Falls through. */ + case 31: sum += qlp_coeff[30] * (FLAC__int64)data[i-31]; /* Falls through. */ + case 30: sum += qlp_coeff[29] * (FLAC__int64)data[i-30]; /* Falls through. */ + case 29: sum += qlp_coeff[28] * (FLAC__int64)data[i-29]; /* Falls through. */ + case 28: sum += qlp_coeff[27] * (FLAC__int64)data[i-28]; /* Falls through. */ + case 27: sum += qlp_coeff[26] * (FLAC__int64)data[i-27]; /* Falls through. */ + case 26: sum += qlp_coeff[25] * (FLAC__int64)data[i-26]; /* Falls through. */ + case 25: sum += qlp_coeff[24] * (FLAC__int64)data[i-25]; /* Falls through. */ + case 24: sum += qlp_coeff[23] * (FLAC__int64)data[i-24]; /* Falls through. */ + case 23: sum += qlp_coeff[22] * (FLAC__int64)data[i-23]; /* Falls through. */ + case 22: sum += qlp_coeff[21] * (FLAC__int64)data[i-22]; /* Falls through. */ + case 21: sum += qlp_coeff[20] * (FLAC__int64)data[i-21]; /* Falls through. */ + case 20: sum += qlp_coeff[19] * (FLAC__int64)data[i-20]; /* Falls through. */ + case 19: sum += qlp_coeff[18] * (FLAC__int64)data[i-19]; /* Falls through. */ + case 18: sum += qlp_coeff[17] * (FLAC__int64)data[i-18]; /* Falls through. */ + case 17: sum += qlp_coeff[16] * (FLAC__int64)data[i-17]; /* Falls through. */ + case 16: sum += qlp_coeff[15] * (FLAC__int64)data[i-16]; /* Falls through. */ + case 15: sum += qlp_coeff[14] * (FLAC__int64)data[i-15]; /* Falls through. */ + case 14: sum += qlp_coeff[13] * (FLAC__int64)data[i-14]; /* Falls through. */ + case 13: sum += qlp_coeff[12] * (FLAC__int64)data[i-13]; + sum += qlp_coeff[11] * (FLAC__int64)data[i-12]; + sum += qlp_coeff[10] * (FLAC__int64)data[i-11]; + sum += qlp_coeff[ 9] * (FLAC__int64)data[i-10]; + sum += qlp_coeff[ 8] * (FLAC__int64)data[i- 9]; + sum += qlp_coeff[ 7] * (FLAC__int64)data[i- 8]; + sum += qlp_coeff[ 6] * (FLAC__int64)data[i- 7]; + sum += qlp_coeff[ 5] * (FLAC__int64)data[i- 6]; + sum += qlp_coeff[ 4] * (FLAC__int64)data[i- 5]; + sum += qlp_coeff[ 3] * (FLAC__int64)data[i- 4]; + sum += qlp_coeff[ 2] * (FLAC__int64)data[i- 3]; + sum += qlp_coeff[ 1] * (FLAC__int64)data[i- 2]; + sum += qlp_coeff[ 0] * (FLAC__int64)data[i- 1]; + } + residual[i] = data[i] - (sum >> lp_quantization); + } + } +} +#endif + +FLAC__bool FLAC__lpc_compute_residual_from_qlp_coefficients_limit_residual(const FLAC__int32 * flac_restrict data, uint32_t data_len, const FLAC__int32 * flac_restrict qlp_coeff, uint32_t order, int lp_quantization, FLAC__int32 * flac_restrict residual) +{ + int i; + FLAC__int64 sum, residual_to_check; + + FLAC__ASSERT(order > 0); + FLAC__ASSERT(order <= 32); + + for(i = 0; i < (int)data_len; i++) { + sum = 0; + switch(order) { + case 32: sum += qlp_coeff[31] * (FLAC__int64)data[i-32]; /* Falls through. */ + case 31: sum += qlp_coeff[30] * (FLAC__int64)data[i-31]; /* Falls through. */ + case 30: sum += qlp_coeff[29] * (FLAC__int64)data[i-30]; /* Falls through. */ + case 29: sum += qlp_coeff[28] * (FLAC__int64)data[i-29]; /* Falls through. */ + case 28: sum += qlp_coeff[27] * (FLAC__int64)data[i-28]; /* Falls through. */ + case 27: sum += qlp_coeff[26] * (FLAC__int64)data[i-27]; /* Falls through. */ + case 26: sum += qlp_coeff[25] * (FLAC__int64)data[i-26]; /* Falls through. */ + case 25: sum += qlp_coeff[24] * (FLAC__int64)data[i-25]; /* Falls through. */ + case 24: sum += qlp_coeff[23] * (FLAC__int64)data[i-24]; /* Falls through. */ + case 23: sum += qlp_coeff[22] * (FLAC__int64)data[i-23]; /* Falls through. */ + case 22: sum += qlp_coeff[21] * (FLAC__int64)data[i-22]; /* Falls through. */ + case 21: sum += qlp_coeff[20] * (FLAC__int64)data[i-21]; /* Falls through. */ + case 20: sum += qlp_coeff[19] * (FLAC__int64)data[i-20]; /* Falls through. */ + case 19: sum += qlp_coeff[18] * (FLAC__int64)data[i-19]; /* Falls through. */ + case 18: sum += qlp_coeff[17] * (FLAC__int64)data[i-18]; /* Falls through. */ + case 17: sum += qlp_coeff[16] * (FLAC__int64)data[i-17]; /* Falls through. */ + case 16: sum += qlp_coeff[15] * (FLAC__int64)data[i-16]; /* Falls through. */ + case 15: sum += qlp_coeff[14] * (FLAC__int64)data[i-15]; /* Falls through. */ + case 14: sum += qlp_coeff[13] * (FLAC__int64)data[i-14]; /* Falls through. */ + case 13: sum += qlp_coeff[12] * (FLAC__int64)data[i-13]; /* Falls through. */ + case 12: sum += qlp_coeff[11] * (FLAC__int64)data[i-12]; /* Falls through. */ + case 11: sum += qlp_coeff[10] * (FLAC__int64)data[i-11]; /* Falls through. */ + case 10: sum += qlp_coeff[ 9] * (FLAC__int64)data[i-10]; /* Falls through. */ + case 9: sum += qlp_coeff[ 8] * (FLAC__int64)data[i- 9]; /* Falls through. */ + case 8: sum += qlp_coeff[ 7] * (FLAC__int64)data[i- 8]; /* Falls through. */ + case 7: sum += qlp_coeff[ 6] * (FLAC__int64)data[i- 7]; /* Falls through. */ + case 6: sum += qlp_coeff[ 5] * (FLAC__int64)data[i- 6]; /* Falls through. */ + case 5: sum += qlp_coeff[ 4] * (FLAC__int64)data[i- 5]; /* Falls through. */ + case 4: sum += qlp_coeff[ 3] * (FLAC__int64)data[i- 4]; /* Falls through. */ + case 3: sum += qlp_coeff[ 2] * (FLAC__int64)data[i- 3]; /* Falls through. */ + case 2: sum += qlp_coeff[ 1] * (FLAC__int64)data[i- 2]; /* Falls through. */ + case 1: sum += qlp_coeff[ 0] * (FLAC__int64)data[i- 1]; + } + residual_to_check = data[i] - (sum >> lp_quantization); + /* residual must not be INT32_MIN because abs(INT32_MIN) is undefined */ + if(residual_to_check <= INT32_MIN || residual_to_check > INT32_MAX) + return false; + else + residual[i] = residual_to_check; + } + return true; +} + +FLAC__bool FLAC__lpc_compute_residual_from_qlp_coefficients_limit_residual_33bit(const FLAC__int64 * flac_restrict data, uint32_t data_len, const FLAC__int32 * flac_restrict qlp_coeff, uint32_t order, int lp_quantization, FLAC__int32 * flac_restrict residual) +{ + int i; + FLAC__int64 sum, residual_to_check; + + FLAC__ASSERT(order > 0); + FLAC__ASSERT(order <= 32); + + for(i = 0; i < (int)data_len; i++) { + sum = 0; + switch(order) { + case 32: sum += qlp_coeff[31] * data[i-32]; /* Falls through. */ + case 31: sum += qlp_coeff[30] * data[i-31]; /* Falls through. */ + case 30: sum += qlp_coeff[29] * data[i-30]; /* Falls through. */ + case 29: sum += qlp_coeff[28] * data[i-29]; /* Falls through. */ + case 28: sum += qlp_coeff[27] * data[i-28]; /* Falls through. */ + case 27: sum += qlp_coeff[26] * data[i-27]; /* Falls through. */ + case 26: sum += qlp_coeff[25] * data[i-26]; /* Falls through. */ + case 25: sum += qlp_coeff[24] * data[i-25]; /* Falls through. */ + case 24: sum += qlp_coeff[23] * data[i-24]; /* Falls through. */ + case 23: sum += qlp_coeff[22] * data[i-23]; /* Falls through. */ + case 22: sum += qlp_coeff[21] * data[i-22]; /* Falls through. */ + case 21: sum += qlp_coeff[20] * data[i-21]; /* Falls through. */ + case 20: sum += qlp_coeff[19] * data[i-20]; /* Falls through. */ + case 19: sum += qlp_coeff[18] * data[i-19]; /* Falls through. */ + case 18: sum += qlp_coeff[17] * data[i-18]; /* Falls through. */ + case 17: sum += qlp_coeff[16] * data[i-17]; /* Falls through. */ + case 16: sum += qlp_coeff[15] * data[i-16]; /* Falls through. */ + case 15: sum += qlp_coeff[14] * data[i-15]; /* Falls through. */ + case 14: sum += qlp_coeff[13] * data[i-14]; /* Falls through. */ + case 13: sum += qlp_coeff[12] * data[i-13]; /* Falls through. */ + case 12: sum += qlp_coeff[11] * data[i-12]; /* Falls through. */ + case 11: sum += qlp_coeff[10] * data[i-11]; /* Falls through. */ + case 10: sum += qlp_coeff[ 9] * data[i-10]; /* Falls through. */ + case 9: sum += qlp_coeff[ 8] * data[i- 9]; /* Falls through. */ + case 8: sum += qlp_coeff[ 7] * data[i- 8]; /* Falls through. */ + case 7: sum += qlp_coeff[ 6] * data[i- 7]; /* Falls through. */ + case 6: sum += qlp_coeff[ 5] * data[i- 6]; /* Falls through. */ + case 5: sum += qlp_coeff[ 4] * data[i- 5]; /* Falls through. */ + case 4: sum += qlp_coeff[ 3] * data[i- 4]; /* Falls through. */ + case 3: sum += qlp_coeff[ 2] * data[i- 3]; /* Falls through. */ + case 2: sum += qlp_coeff[ 1] * data[i- 2]; /* Falls through. */ + case 1: sum += qlp_coeff[ 0] * data[i- 1]; + } + residual_to_check = data[i] - (sum >> lp_quantization); + /* residual must not be INT32_MIN because abs(INT32_MIN) is undefined */ + if(residual_to_check <= INT32_MIN || residual_to_check > INT32_MAX) + return false; + else + residual[i] = residual_to_check; + } + return true; +} + +#endif /* !defined FLAC__INTEGER_ONLY_LIBRARY */ + +uint32_t FLAC__lpc_max_prediction_before_shift_bps(uint32_t subframe_bps, const FLAC__int32 * flac_restrict qlp_coeff, uint32_t order) +{ + /* This used to be subframe_bps + qlp_coeff_precision + FLAC__bitmath_ilog2(order) + * but that treats both the samples as well as the predictor as unknown. The + * predictor is known however, so taking the log2 of the sum of the absolute values + * of all coefficients is a more accurate representation of the predictor */ + FLAC__int32 abs_sum_of_qlp_coeff = 0; + uint32_t i; + for(i = 0; i < order; i++) + abs_sum_of_qlp_coeff += abs(qlp_coeff[i]); + if(abs_sum_of_qlp_coeff == 0) + abs_sum_of_qlp_coeff = 1; + return subframe_bps + FLAC__bitmath_silog2(abs_sum_of_qlp_coeff); +} + + +uint32_t FLAC__lpc_max_residual_bps(uint32_t subframe_bps, const FLAC__int32 * flac_restrict qlp_coeff, uint32_t order, int lp_quantization) +{ + FLAC__int32 predictor_sum_bps = FLAC__lpc_max_prediction_before_shift_bps(subframe_bps, qlp_coeff, order) - lp_quantization; + if((int)subframe_bps > predictor_sum_bps) + return subframe_bps + 1; + else + return predictor_sum_bps + 1; +} + +#if defined(FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION) && !defined(FUZZING_BUILD_MODE_FLAC_SANITIZE_SIGNED_INTEGER_OVERFLOW) +/* The attribute below is to silence the undefined sanitizer of oss-fuzz. + * Because fuzzing feeds bogus predictors and residual samples to the + * decoder, having overflows in this section is unavoidable. Also, + * because the calculated values are audio path only, there is no + * potential for security problems */ +__attribute__((no_sanitize("signed-integer-overflow"))) +#endif +void FLAC__lpc_restore_signal(const FLAC__int32 * flac_restrict residual, uint32_t data_len, const FLAC__int32 * flac_restrict qlp_coeff, uint32_t order, int lp_quantization, FLAC__int32 * flac_restrict data) +#if defined(FLAC__OVERFLOW_DETECT) || !defined(FLAC__LPC_UNROLLED_FILTER_LOOPS) +{ + FLAC__int64 sumo; + uint32_t i, j; + FLAC__int32 sum; + const FLAC__int32 *r = residual, *history; + +#ifdef FLAC__OVERFLOW_DETECT_VERBOSE + fprintf(stderr,"FLAC__lpc_restore_signal: data_len=%d, order=%u, lpq=%d",data_len,order,lp_quantization); + for(i=0;i<order;i++) + fprintf(stderr,", q[%u]=%d",i,qlp_coeff[i]); + fprintf(stderr,"\n"); +#endif + FLAC__ASSERT(order > 0); + + for(i = 0; i < data_len; i++) { + sumo = 0; + sum = 0; + history = data; + for(j = 0; j < order; j++) { + sum += qlp_coeff[j] * (*(--history)); + sumo += (FLAC__int64)qlp_coeff[j] * (FLAC__int64)(*history); +#ifdef FLAC__OVERFLOW_DETECT + if(sumo > 2147483647ll || sumo < -2147483648ll) + fprintf(stderr,"FLAC__lpc_restore_signal: OVERFLOW, i=%u, j=%u, c=%d, d=%d, sumo=%" PRId64 "\n",i,j,qlp_coeff[j],*history,sumo); +#endif + } + *(data++) = *(r++) + (sum >> lp_quantization); + } + + /* Here's a slower but clearer version: + for(i = 0; i < data_len; i++) { + sum = 0; + for(j = 0; j < order; j++) + sum += qlp_coeff[j] * data[i-j-1]; + data[i] = residual[i] + (sum >> lp_quantization); + } + */ +} +#else /* fully unrolled version for normal use */ +{ + int i; + FLAC__int32 sum; + + FLAC__ASSERT(order > 0); + FLAC__ASSERT(order <= 32); + + /* + * We do unique versions up to 12th order since that's the subset limit. + * Also they are roughly ordered to match frequency of occurrence to + * minimize branching. + */ + if(order <= 12) { + if(order > 8) { + if(order > 10) { + if(order == 12) { + for(i = 0; i < (int)data_len; i++) { + sum = 0; + sum += qlp_coeff[11] * data[i-12]; + sum += qlp_coeff[10] * data[i-11]; + sum += qlp_coeff[9] * data[i-10]; + sum += qlp_coeff[8] * data[i-9]; + sum += qlp_coeff[7] * data[i-8]; + sum += qlp_coeff[6] * data[i-7]; + sum += qlp_coeff[5] * data[i-6]; + sum += qlp_coeff[4] * data[i-5]; + sum += qlp_coeff[3] * data[i-4]; + sum += qlp_coeff[2] * data[i-3]; + sum += qlp_coeff[1] * data[i-2]; + sum += qlp_coeff[0] * data[i-1]; + data[i] = residual[i] + (sum >> lp_quantization); + } + } + else { /* order == 11 */ + for(i = 0; i < (int)data_len; i++) { + sum = 0; + sum += qlp_coeff[10] * data[i-11]; + sum += qlp_coeff[9] * data[i-10]; + sum += qlp_coeff[8] * data[i-9]; + sum += qlp_coeff[7] * data[i-8]; + sum += qlp_coeff[6] * data[i-7]; + sum += qlp_coeff[5] * data[i-6]; + sum += qlp_coeff[4] * data[i-5]; + sum += qlp_coeff[3] * data[i-4]; + sum += qlp_coeff[2] * data[i-3]; + sum += qlp_coeff[1] * data[i-2]; + sum += qlp_coeff[0] * data[i-1]; + data[i] = residual[i] + (sum >> lp_quantization); + } + } + } + else { + if(order == 10) { + for(i = 0; i < (int)data_len; i++) { + sum = 0; + sum += qlp_coeff[9] * data[i-10]; + sum += qlp_coeff[8] * data[i-9]; + sum += qlp_coeff[7] * data[i-8]; + sum += qlp_coeff[6] * data[i-7]; + sum += qlp_coeff[5] * data[i-6]; + sum += qlp_coeff[4] * data[i-5]; + sum += qlp_coeff[3] * data[i-4]; + sum += qlp_coeff[2] * data[i-3]; + sum += qlp_coeff[1] * data[i-2]; + sum += qlp_coeff[0] * data[i-1]; + data[i] = residual[i] + (sum >> lp_quantization); + } + } + else { /* order == 9 */ + for(i = 0; i < (int)data_len; i++) { + sum = 0; + sum += qlp_coeff[8] * data[i-9]; + sum += qlp_coeff[7] * data[i-8]; + sum += qlp_coeff[6] * data[i-7]; + sum += qlp_coeff[5] * data[i-6]; + sum += qlp_coeff[4] * data[i-5]; + sum += qlp_coeff[3] * data[i-4]; + sum += qlp_coeff[2] * data[i-3]; + sum += qlp_coeff[1] * data[i-2]; + sum += qlp_coeff[0] * data[i-1]; + data[i] = residual[i] + (sum >> lp_quantization); + } + } + } + } + else if(order > 4) { + if(order > 6) { + if(order == 8) { + for(i = 0; i < (int)data_len; i++) { + sum = 0; + sum += qlp_coeff[7] * data[i-8]; + sum += qlp_coeff[6] * data[i-7]; + sum += qlp_coeff[5] * data[i-6]; + sum += qlp_coeff[4] * data[i-5]; + sum += qlp_coeff[3] * data[i-4]; + sum += qlp_coeff[2] * data[i-3]; + sum += qlp_coeff[1] * data[i-2]; + sum += qlp_coeff[0] * data[i-1]; + data[i] = residual[i] + (sum >> lp_quantization); + } + } + else { /* order == 7 */ + for(i = 0; i < (int)data_len; i++) { + sum = 0; + sum += qlp_coeff[6] * data[i-7]; + sum += qlp_coeff[5] * data[i-6]; + sum += qlp_coeff[4] * data[i-5]; + sum += qlp_coeff[3] * data[i-4]; + sum += qlp_coeff[2] * data[i-3]; + sum += qlp_coeff[1] * data[i-2]; + sum += qlp_coeff[0] * data[i-1]; + data[i] = residual[i] + (sum >> lp_quantization); + } + } + } + else { + if(order == 6) { + for(i = 0; i < (int)data_len; i++) { + sum = 0; + sum += qlp_coeff[5] * data[i-6]; + sum += qlp_coeff[4] * data[i-5]; + sum += qlp_coeff[3] * data[i-4]; + sum += qlp_coeff[2] * data[i-3]; + sum += qlp_coeff[1] * data[i-2]; + sum += qlp_coeff[0] * data[i-1]; + data[i] = residual[i] + (sum >> lp_quantization); + } + } + else { /* order == 5 */ + for(i = 0; i < (int)data_len; i++) { + sum = 0; + sum += qlp_coeff[4] * data[i-5]; + sum += qlp_coeff[3] * data[i-4]; + sum += qlp_coeff[2] * data[i-3]; + sum += qlp_coeff[1] * data[i-2]; + sum += qlp_coeff[0] * data[i-1]; + data[i] = residual[i] + (sum >> lp_quantization); + } + } + } + } + else { + if(order > 2) { + if(order == 4) { + for(i = 0; i < (int)data_len; i++) { + sum = 0; + sum += qlp_coeff[3] * data[i-4]; + sum += qlp_coeff[2] * data[i-3]; + sum += qlp_coeff[1] * data[i-2]; + sum += qlp_coeff[0] * data[i-1]; + data[i] = residual[i] + (sum >> lp_quantization); + } + } + else { /* order == 3 */ + for(i = 0; i < (int)data_len; i++) { + sum = 0; + sum += qlp_coeff[2] * data[i-3]; + sum += qlp_coeff[1] * data[i-2]; + sum += qlp_coeff[0] * data[i-1]; + data[i] = residual[i] + (sum >> lp_quantization); + } + } + } + else { + if(order == 2) { + for(i = 0; i < (int)data_len; i++) { + sum = 0; + sum += qlp_coeff[1] * data[i-2]; + sum += qlp_coeff[0] * data[i-1]; + data[i] = residual[i] + (sum >> lp_quantization); + } + } + else { /* order == 1 */ + for(i = 0; i < (int)data_len; i++) + data[i] = residual[i] + ((qlp_coeff[0] * data[i-1]) >> lp_quantization); + } + } + } + } + else { /* order > 12 */ + for(i = 0; i < (int)data_len; i++) { + sum = 0; + switch(order) { + case 32: sum += qlp_coeff[31] * data[i-32]; /* Falls through. */ + case 31: sum += qlp_coeff[30] * data[i-31]; /* Falls through. */ + case 30: sum += qlp_coeff[29] * data[i-30]; /* Falls through. */ + case 29: sum += qlp_coeff[28] * data[i-29]; /* Falls through. */ + case 28: sum += qlp_coeff[27] * data[i-28]; /* Falls through. */ + case 27: sum += qlp_coeff[26] * data[i-27]; /* Falls through. */ + case 26: sum += qlp_coeff[25] * data[i-26]; /* Falls through. */ + case 25: sum += qlp_coeff[24] * data[i-25]; /* Falls through. */ + case 24: sum += qlp_coeff[23] * data[i-24]; /* Falls through. */ + case 23: sum += qlp_coeff[22] * data[i-23]; /* Falls through. */ + case 22: sum += qlp_coeff[21] * data[i-22]; /* Falls through. */ + case 21: sum += qlp_coeff[20] * data[i-21]; /* Falls through. */ + case 20: sum += qlp_coeff[19] * data[i-20]; /* Falls through. */ + case 19: sum += qlp_coeff[18] * data[i-19]; /* Falls through. */ + case 18: sum += qlp_coeff[17] * data[i-18]; /* Falls through. */ + case 17: sum += qlp_coeff[16] * data[i-17]; /* Falls through. */ + case 16: sum += qlp_coeff[15] * data[i-16]; /* Falls through. */ + case 15: sum += qlp_coeff[14] * data[i-15]; /* Falls through. */ + case 14: sum += qlp_coeff[13] * data[i-14]; /* Falls through. */ + case 13: sum += qlp_coeff[12] * data[i-13]; + sum += qlp_coeff[11] * data[i-12]; + sum += qlp_coeff[10] * data[i-11]; + sum += qlp_coeff[ 9] * data[i-10]; + sum += qlp_coeff[ 8] * data[i- 9]; + sum += qlp_coeff[ 7] * data[i- 8]; + sum += qlp_coeff[ 6] * data[i- 7]; + sum += qlp_coeff[ 5] * data[i- 6]; + sum += qlp_coeff[ 4] * data[i- 5]; + sum += qlp_coeff[ 3] * data[i- 4]; + sum += qlp_coeff[ 2] * data[i- 3]; + sum += qlp_coeff[ 1] * data[i- 2]; + sum += qlp_coeff[ 0] * data[i- 1]; + } + data[i] = residual[i] + (sum >> lp_quantization); + } + } +} +#endif + +void FLAC__lpc_restore_signal_wide(const FLAC__int32 * flac_restrict residual, uint32_t data_len, const FLAC__int32 * flac_restrict qlp_coeff, uint32_t order, int lp_quantization, FLAC__int32 * flac_restrict data) +#if defined(FLAC__OVERFLOW_DETECT) || !defined(FLAC__LPC_UNROLLED_FILTER_LOOPS) +{ + uint32_t i, j; + FLAC__int64 sum; + const FLAC__int32 *r = residual, *history; + +#ifdef FLAC__OVERFLOW_DETECT_VERBOSE + fprintf(stderr,"FLAC__lpc_restore_signal_wide: data_len=%d, order=%u, lpq=%d",data_len,order,lp_quantization); + for(i=0;i<order;i++) + fprintf(stderr,", q[%u]=%d",i,qlp_coeff[i]); + fprintf(stderr,"\n"); +#endif + FLAC__ASSERT(order > 0); + + for(i = 0; i < data_len; i++) { + sum = 0; + history = data; + for(j = 0; j < order; j++) + sum += (FLAC__int64)qlp_coeff[j] * (FLAC__int64)(*(--history)); +#ifdef FLAC__OVERFLOW_DETECT + if(FLAC__bitmath_silog2((FLAC__int64)(*r) + (sum >> lp_quantization)) > 32) { + fprintf(stderr,"FLAC__lpc_restore_signal_wide: OVERFLOW, i=%u, residual=%d, sum=%" PRId64 ", data=%" PRId64 "\n", i, *r, (sum >> lp_quantization), ((FLAC__int64)(*r) + (sum >> lp_quantization))); + break; + } +#endif + *(data++) = (FLAC__int32)(*(r++) + (sum >> lp_quantization)); + } +} +#else /* fully unrolled version for normal use */ +{ + int i; + FLAC__int64 sum; + + FLAC__ASSERT(order > 0); + FLAC__ASSERT(order <= 32); + + /* + * We do unique versions up to 12th order since that's the subset limit. + * Also they are roughly ordered to match frequency of occurrence to + * minimize branching. + */ + if(order <= 12) { + if(order > 8) { + if(order > 10) { + if(order == 12) { + for(i = 0; i < (int)data_len; i++) { + sum = 0; + sum += qlp_coeff[11] * (FLAC__int64)data[i-12]; + sum += qlp_coeff[10] * (FLAC__int64)data[i-11]; + sum += qlp_coeff[9] * (FLAC__int64)data[i-10]; + sum += qlp_coeff[8] * (FLAC__int64)data[i-9]; + sum += qlp_coeff[7] * (FLAC__int64)data[i-8]; + sum += qlp_coeff[6] * (FLAC__int64)data[i-7]; + sum += qlp_coeff[5] * (FLAC__int64)data[i-6]; + sum += qlp_coeff[4] * (FLAC__int64)data[i-5]; + sum += qlp_coeff[3] * (FLAC__int64)data[i-4]; + sum += qlp_coeff[2] * (FLAC__int64)data[i-3]; + sum += qlp_coeff[1] * (FLAC__int64)data[i-2]; + sum += qlp_coeff[0] * (FLAC__int64)data[i-1]; + data[i] = (FLAC__int32) (residual[i] + (sum >> lp_quantization)); + } + } + else { /* order == 11 */ + for(i = 0; i < (int)data_len; i++) { + sum = 0; + sum += qlp_coeff[10] * (FLAC__int64)data[i-11]; + sum += qlp_coeff[9] * (FLAC__int64)data[i-10]; + sum += qlp_coeff[8] * (FLAC__int64)data[i-9]; + sum += qlp_coeff[7] * (FLAC__int64)data[i-8]; + sum += qlp_coeff[6] * (FLAC__int64)data[i-7]; + sum += qlp_coeff[5] * (FLAC__int64)data[i-6]; + sum += qlp_coeff[4] * (FLAC__int64)data[i-5]; + sum += qlp_coeff[3] * (FLAC__int64)data[i-4]; + sum += qlp_coeff[2] * (FLAC__int64)data[i-3]; + sum += qlp_coeff[1] * (FLAC__int64)data[i-2]; + sum += qlp_coeff[0] * (FLAC__int64)data[i-1]; + data[i] = (FLAC__int32) (residual[i] + (sum >> lp_quantization)); + } + } + } + else { + if(order == 10) { + for(i = 0; i < (int)data_len; i++) { + sum = 0; + sum += qlp_coeff[9] * (FLAC__int64)data[i-10]; + sum += qlp_coeff[8] * (FLAC__int64)data[i-9]; + sum += qlp_coeff[7] * (FLAC__int64)data[i-8]; + sum += qlp_coeff[6] * (FLAC__int64)data[i-7]; + sum += qlp_coeff[5] * (FLAC__int64)data[i-6]; + sum += qlp_coeff[4] * (FLAC__int64)data[i-5]; + sum += qlp_coeff[3] * (FLAC__int64)data[i-4]; + sum += qlp_coeff[2] * (FLAC__int64)data[i-3]; + sum += qlp_coeff[1] * (FLAC__int64)data[i-2]; + sum += qlp_coeff[0] * (FLAC__int64)data[i-1]; + data[i] = (FLAC__int32) (residual[i] + (sum >> lp_quantization)); + } + } + else { /* order == 9 */ + for(i = 0; i < (int)data_len; i++) { + sum = 0; + sum += qlp_coeff[8] * (FLAC__int64)data[i-9]; + sum += qlp_coeff[7] * (FLAC__int64)data[i-8]; + sum += qlp_coeff[6] * (FLAC__int64)data[i-7]; + sum += qlp_coeff[5] * (FLAC__int64)data[i-6]; + sum += qlp_coeff[4] * (FLAC__int64)data[i-5]; + sum += qlp_coeff[3] * (FLAC__int64)data[i-4]; + sum += qlp_coeff[2] * (FLAC__int64)data[i-3]; + sum += qlp_coeff[1] * (FLAC__int64)data[i-2]; + sum += qlp_coeff[0] * (FLAC__int64)data[i-1]; + data[i] = (FLAC__int32) (residual[i] + (sum >> lp_quantization)); + } + } + } + } + else if(order > 4) { + if(order > 6) { + if(order == 8) { + for(i = 0; i < (int)data_len; i++) { + sum = 0; + sum += qlp_coeff[7] * (FLAC__int64)data[i-8]; + sum += qlp_coeff[6] * (FLAC__int64)data[i-7]; + sum += qlp_coeff[5] * (FLAC__int64)data[i-6]; + sum += qlp_coeff[4] * (FLAC__int64)data[i-5]; + sum += qlp_coeff[3] * (FLAC__int64)data[i-4]; + sum += qlp_coeff[2] * (FLAC__int64)data[i-3]; + sum += qlp_coeff[1] * (FLAC__int64)data[i-2]; + sum += qlp_coeff[0] * (FLAC__int64)data[i-1]; + data[i] = (FLAC__int32) (residual[i] + (sum >> lp_quantization)); + } + } + else { /* order == 7 */ + for(i = 0; i < (int)data_len; i++) { + sum = 0; + sum += qlp_coeff[6] * (FLAC__int64)data[i-7]; + sum += qlp_coeff[5] * (FLAC__int64)data[i-6]; + sum += qlp_coeff[4] * (FLAC__int64)data[i-5]; + sum += qlp_coeff[3] * (FLAC__int64)data[i-4]; + sum += qlp_coeff[2] * (FLAC__int64)data[i-3]; + sum += qlp_coeff[1] * (FLAC__int64)data[i-2]; + sum += qlp_coeff[0] * (FLAC__int64)data[i-1]; + data[i] = (FLAC__int32) (residual[i] + (sum >> lp_quantization)); + } + } + } + else { + if(order == 6) { + for(i = 0; i < (int)data_len; i++) { + sum = 0; + sum += qlp_coeff[5] * (FLAC__int64)data[i-6]; + sum += qlp_coeff[4] * (FLAC__int64)data[i-5]; + sum += qlp_coeff[3] * (FLAC__int64)data[i-4]; + sum += qlp_coeff[2] * (FLAC__int64)data[i-3]; + sum += qlp_coeff[1] * (FLAC__int64)data[i-2]; + sum += qlp_coeff[0] * (FLAC__int64)data[i-1]; + data[i] = (FLAC__int32) (residual[i] + (sum >> lp_quantization)); + } + } + else { /* order == 5 */ + for(i = 0; i < (int)data_len; i++) { + sum = 0; + sum += qlp_coeff[4] * (FLAC__int64)data[i-5]; + sum += qlp_coeff[3] * (FLAC__int64)data[i-4]; + sum += qlp_coeff[2] * (FLAC__int64)data[i-3]; + sum += qlp_coeff[1] * (FLAC__int64)data[i-2]; + sum += qlp_coeff[0] * (FLAC__int64)data[i-1]; + data[i] = (FLAC__int32) (residual[i] + (sum >> lp_quantization)); + } + } + } + } + else { + if(order > 2) { + if(order == 4) { + for(i = 0; i < (int)data_len; i++) { + sum = 0; + sum += qlp_coeff[3] * (FLAC__int64)data[i-4]; + sum += qlp_coeff[2] * (FLAC__int64)data[i-3]; + sum += qlp_coeff[1] * (FLAC__int64)data[i-2]; + sum += qlp_coeff[0] * (FLAC__int64)data[i-1]; + data[i] = (FLAC__int32) (residual[i] + (sum >> lp_quantization)); + } + } + else { /* order == 3 */ + for(i = 0; i < (int)data_len; i++) { + sum = 0; + sum += qlp_coeff[2] * (FLAC__int64)data[i-3]; + sum += qlp_coeff[1] * (FLAC__int64)data[i-2]; + sum += qlp_coeff[0] * (FLAC__int64)data[i-1]; + data[i] = (FLAC__int32) (residual[i] + (sum >> lp_quantization)); + } + } + } + else { + if(order == 2) { + for(i = 0; i < (int)data_len; i++) { + sum = 0; + sum += qlp_coeff[1] * (FLAC__int64)data[i-2]; + sum += qlp_coeff[0] * (FLAC__int64)data[i-1]; + data[i] = (FLAC__int32) (residual[i] + (sum >> lp_quantization)); + } + } + else { /* order == 1 */ + for(i = 0; i < (int)data_len; i++) + data[i] = (FLAC__int32)(residual[i] + ((qlp_coeff[0] * (FLAC__int64)data[i-1]) >> lp_quantization)); + } + } + } + } + else { /* order > 12 */ + for(i = 0; i < (int)data_len; i++) { + sum = 0; + switch(order) { + case 32: sum += qlp_coeff[31] * (FLAC__int64)data[i-32]; /* Falls through. */ + case 31: sum += qlp_coeff[30] * (FLAC__int64)data[i-31]; /* Falls through. */ + case 30: sum += qlp_coeff[29] * (FLAC__int64)data[i-30]; /* Falls through. */ + case 29: sum += qlp_coeff[28] * (FLAC__int64)data[i-29]; /* Falls through. */ + case 28: sum += qlp_coeff[27] * (FLAC__int64)data[i-28]; /* Falls through. */ + case 27: sum += qlp_coeff[26] * (FLAC__int64)data[i-27]; /* Falls through. */ + case 26: sum += qlp_coeff[25] * (FLAC__int64)data[i-26]; /* Falls through. */ + case 25: sum += qlp_coeff[24] * (FLAC__int64)data[i-25]; /* Falls through. */ + case 24: sum += qlp_coeff[23] * (FLAC__int64)data[i-24]; /* Falls through. */ + case 23: sum += qlp_coeff[22] * (FLAC__int64)data[i-23]; /* Falls through. */ + case 22: sum += qlp_coeff[21] * (FLAC__int64)data[i-22]; /* Falls through. */ + case 21: sum += qlp_coeff[20] * (FLAC__int64)data[i-21]; /* Falls through. */ + case 20: sum += qlp_coeff[19] * (FLAC__int64)data[i-20]; /* Falls through. */ + case 19: sum += qlp_coeff[18] * (FLAC__int64)data[i-19]; /* Falls through. */ + case 18: sum += qlp_coeff[17] * (FLAC__int64)data[i-18]; /* Falls through. */ + case 17: sum += qlp_coeff[16] * (FLAC__int64)data[i-17]; /* Falls through. */ + case 16: sum += qlp_coeff[15] * (FLAC__int64)data[i-16]; /* Falls through. */ + case 15: sum += qlp_coeff[14] * (FLAC__int64)data[i-15]; /* Falls through. */ + case 14: sum += qlp_coeff[13] * (FLAC__int64)data[i-14]; /* Falls through. */ + case 13: sum += qlp_coeff[12] * (FLAC__int64)data[i-13]; + sum += qlp_coeff[11] * (FLAC__int64)data[i-12]; + sum += qlp_coeff[10] * (FLAC__int64)data[i-11]; + sum += qlp_coeff[ 9] * (FLAC__int64)data[i-10]; + sum += qlp_coeff[ 8] * (FLAC__int64)data[i- 9]; + sum += qlp_coeff[ 7] * (FLAC__int64)data[i- 8]; + sum += qlp_coeff[ 6] * (FLAC__int64)data[i- 7]; + sum += qlp_coeff[ 5] * (FLAC__int64)data[i- 6]; + sum += qlp_coeff[ 4] * (FLAC__int64)data[i- 5]; + sum += qlp_coeff[ 3] * (FLAC__int64)data[i- 4]; + sum += qlp_coeff[ 2] * (FLAC__int64)data[i- 3]; + sum += qlp_coeff[ 1] * (FLAC__int64)data[i- 2]; + sum += qlp_coeff[ 0] * (FLAC__int64)data[i- 1]; + } + data[i] = (FLAC__int32) (residual[i] + (sum >> lp_quantization)); + } + } +} +#endif + +#if defined(FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION) && !defined(FUZZING_BUILD_MODE_FLAC_SANITIZE_SIGNED_INTEGER_OVERFLOW) +/* The attribute below is to silence the undefined sanitizer of oss-fuzz. + * Because fuzzing feeds bogus predictors and residual samples to the + * decoder, having overflows in this section is unavoidable. Also, + * because the calculated values are audio path only, there is no + * potential for security problems */ +__attribute__((no_sanitize("signed-integer-overflow"))) +#endif +void FLAC__lpc_restore_signal_wide_33bit(const FLAC__int32 * flac_restrict residual, uint32_t data_len, const FLAC__int32 * flac_restrict qlp_coeff, uint32_t order, int lp_quantization, FLAC__int64 * flac_restrict data) +#if defined(FLAC__OVERFLOW_DETECT) || !defined(FLAC__LPC_UNROLLED_FILTER_LOOPS) +{ + uint32_t i, j; + FLAC__int64 sum; + const FLAC__int32 *r = residual; + const FLAC__int64 *history; + + FLAC__ASSERT(order > 0); + + for(i = 0; i < data_len; i++) { + sum = 0; + history = data; + for(j = 0; j < order; j++) + sum += (FLAC__int64)qlp_coeff[j] * (FLAC__int64)(*(--history)); +#ifdef FLAC__OVERFLOW_DETECT + if(FLAC__bitmath_silog2((FLAC__int64)(*r) + (sum >> lp_quantization)) > 33) { + fprintf(stderr,"FLAC__lpc_restore_signal_33bit: OVERFLOW, i=%u, residual=%d, sum=%" PRId64 ", data=%" PRId64 "\n", i, *r, (sum >> lp_quantization), ((FLAC__int64)(*r) + (sum >> lp_quantization))); + break; + } +#endif + *(data++) = (FLAC__int64)(*(r++)) + (sum >> lp_quantization); + } +} +#else /* unrolled version for normal use */ +{ + int i; + FLAC__int64 sum; + + FLAC__ASSERT(order > 0); + FLAC__ASSERT(order <= 32); + + for(i = 0; i < (int)data_len; i++) { + sum = 0; + switch(order) { + case 32: sum += qlp_coeff[31] * data[i-32]; /* Falls through. */ + case 31: sum += qlp_coeff[30] * data[i-31]; /* Falls through. */ + case 30: sum += qlp_coeff[29] * data[i-30]; /* Falls through. */ + case 29: sum += qlp_coeff[28] * data[i-29]; /* Falls through. */ + case 28: sum += qlp_coeff[27] * data[i-28]; /* Falls through. */ + case 27: sum += qlp_coeff[26] * data[i-27]; /* Falls through. */ + case 26: sum += qlp_coeff[25] * data[i-26]; /* Falls through. */ + case 25: sum += qlp_coeff[24] * data[i-25]; /* Falls through. */ + case 24: sum += qlp_coeff[23] * data[i-24]; /* Falls through. */ + case 23: sum += qlp_coeff[22] * data[i-23]; /* Falls through. */ + case 22: sum += qlp_coeff[21] * data[i-22]; /* Falls through. */ + case 21: sum += qlp_coeff[20] * data[i-21]; /* Falls through. */ + case 20: sum += qlp_coeff[19] * data[i-20]; /* Falls through. */ + case 19: sum += qlp_coeff[18] * data[i-19]; /* Falls through. */ + case 18: sum += qlp_coeff[17] * data[i-18]; /* Falls through. */ + case 17: sum += qlp_coeff[16] * data[i-17]; /* Falls through. */ + case 16: sum += qlp_coeff[15] * data[i-16]; /* Falls through. */ + case 15: sum += qlp_coeff[14] * data[i-15]; /* Falls through. */ + case 14: sum += qlp_coeff[13] * data[i-14]; /* Falls through. */ + case 13: sum += qlp_coeff[12] * data[i-13]; /* Falls through. */ + case 12: sum += qlp_coeff[11] * data[i-12]; /* Falls through. */ + case 11: sum += qlp_coeff[10] * data[i-11]; /* Falls through. */ + case 10: sum += qlp_coeff[ 9] * data[i-10]; /* Falls through. */ + case 9: sum += qlp_coeff[ 8] * data[i- 9]; /* Falls through. */ + case 8: sum += qlp_coeff[ 7] * data[i- 8]; /* Falls through. */ + case 7: sum += qlp_coeff[ 6] * data[i- 7]; /* Falls through. */ + case 6: sum += qlp_coeff[ 5] * data[i- 6]; /* Falls through. */ + case 5: sum += qlp_coeff[ 4] * data[i- 5]; /* Falls through. */ + case 4: sum += qlp_coeff[ 3] * data[i- 4]; /* Falls through. */ + case 3: sum += qlp_coeff[ 2] * data[i- 3]; /* Falls through. */ + case 2: sum += qlp_coeff[ 1] * data[i- 2]; /* Falls through. */ + case 1: sum += qlp_coeff[ 0] * data[i- 1]; + } + data[i] = residual[i] + (sum >> lp_quantization); + } +} +#endif + +#if defined(_MSC_VER) +#pragma warning ( default : 4028 ) +#endif + +#ifndef FLAC__INTEGER_ONLY_LIBRARY + +double FLAC__lpc_compute_expected_bits_per_residual_sample(double lpc_error, uint32_t total_samples) +{ + double error_scale; + + FLAC__ASSERT(total_samples > 0); + + error_scale = 0.5 / (double)total_samples; + + return FLAC__lpc_compute_expected_bits_per_residual_sample_with_error_scale(lpc_error, error_scale); +} + +double FLAC__lpc_compute_expected_bits_per_residual_sample_with_error_scale(double lpc_error, double error_scale) +{ + if(lpc_error > 0.0) { + double bps = (double)0.5 * log(error_scale * lpc_error) / M_LN2; + if(bps >= 0.0) + return bps; + else + return 0.0; + } + else if(lpc_error < 0.0) { /* error should not be negative but can happen due to inadequate floating-point resolution */ + return 1e32; + } + else { + return 0.0; + } +} + +uint32_t FLAC__lpc_compute_best_order(const double lpc_error[], uint32_t max_order, uint32_t total_samples, uint32_t overhead_bits_per_order) +{ + uint32_t order, indx, best_index; /* 'index' the index into lpc_error; index==order-1 since lpc_error[0] is for order==1, lpc_error[1] is for order==2, etc */ + double bits, best_bits, error_scale; + + FLAC__ASSERT(max_order > 0); + FLAC__ASSERT(total_samples > 0); + + error_scale = 0.5 / (double)total_samples; + + best_index = 0; + best_bits = (uint32_t)(-1); + + for(indx = 0, order = 1; indx < max_order; indx++, order++) { + bits = FLAC__lpc_compute_expected_bits_per_residual_sample_with_error_scale(lpc_error[indx], error_scale) * (double)(total_samples - order) + (double)(order * overhead_bits_per_order); + if(bits < best_bits) { + best_index = indx; + best_bits = bits; + } + } + + return best_index+1; /* +1 since indx of lpc_error[] is order-1 */ +} + +#endif /* !defined FLAC__INTEGER_ONLY_LIBRARY */ diff --git a/src/libFLAC/lpc_intrin_avx2.c b/src/libFLAC/lpc_intrin_avx2.c new file mode 100644 index 0000000..7f1c03e --- /dev/null +++ b/src/libFLAC/lpc_intrin_avx2.c @@ -0,0 +1,1122 @@ +/* libFLAC - Free Lossless Audio Codec library + * Copyright (C) 2000-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * - Neither the name of the Xiph.org Foundation nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include "private/cpu.h" + +#ifndef FLAC__INTEGER_ONLY_LIBRARY +#ifndef FLAC__NO_ASM +#if (defined FLAC__CPU_IA32 || defined FLAC__CPU_X86_64) && FLAC__HAS_X86INTRIN +#include "private/lpc.h" +#ifdef FLAC__AVX2_SUPPORTED + +#include "FLAC/assert.h" +#include "FLAC/format.h" + +#include <immintrin.h> /* AVX2 */ + +FLAC__SSE_TARGET("avx2") +void FLAC__lpc_compute_residual_from_qlp_coefficients_16_intrin_avx2(const FLAC__int32 *data, uint32_t data_len, const FLAC__int32 qlp_coeff[], uint32_t order, int lp_quantization, FLAC__int32 residual[]) +{ + int i; + FLAC__int32 sum; + const __m128i cnt = _mm_cvtsi32_si128(lp_quantization); + + FLAC__ASSERT(order > 0); + FLAC__ASSERT(order <= 32); + + if(order <= 12) { + if(order > 8) { + if(order > 10) { + if(order == 12) { + __m256i q0, q1, q2, q3, q4, q5, q6, q7, q8, q9, q10, q11; + q0 = _mm256_set1_epi32(0xffff & qlp_coeff[0 ]); + q1 = _mm256_set1_epi32(0xffff & qlp_coeff[1 ]); + q2 = _mm256_set1_epi32(0xffff & qlp_coeff[2 ]); + q3 = _mm256_set1_epi32(0xffff & qlp_coeff[3 ]); + q4 = _mm256_set1_epi32(0xffff & qlp_coeff[4 ]); + q5 = _mm256_set1_epi32(0xffff & qlp_coeff[5 ]); + q6 = _mm256_set1_epi32(0xffff & qlp_coeff[6 ]); + q7 = _mm256_set1_epi32(0xffff & qlp_coeff[7 ]); + q8 = _mm256_set1_epi32(0xffff & qlp_coeff[8 ]); + q9 = _mm256_set1_epi32(0xffff & qlp_coeff[9 ]); + q10 = _mm256_set1_epi32(0xffff & qlp_coeff[10]); + q11 = _mm256_set1_epi32(0xffff & qlp_coeff[11]); + + for(i = 0; i < (int)data_len-7; i+=8) { + __m256i summ, mull; + summ = _mm256_madd_epi16(q11, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-12))); + mull = _mm256_madd_epi16(q10, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-11))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_madd_epi16(q9, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-10))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_madd_epi16(q8, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-9 ))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_madd_epi16(q7, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-8 ))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_madd_epi16(q6, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-7 ))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_madd_epi16(q5, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-6 ))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_madd_epi16(q4, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-5 ))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_madd_epi16(q3, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-4 ))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_madd_epi16(q2, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-3 ))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_madd_epi16(q1, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-2 ))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_madd_epi16(q0, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-1 ))); summ = _mm256_add_epi32(summ, mull); + summ = _mm256_sra_epi32(summ, cnt); + _mm256_storeu_si256((__m256i*)(void*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(const void*)(data+i)), summ)); + } + } + else { /* order == 11 */ + __m256i q0, q1, q2, q3, q4, q5, q6, q7, q8, q9, q10; + q0 = _mm256_set1_epi32(0xffff & qlp_coeff[0 ]); + q1 = _mm256_set1_epi32(0xffff & qlp_coeff[1 ]); + q2 = _mm256_set1_epi32(0xffff & qlp_coeff[2 ]); + q3 = _mm256_set1_epi32(0xffff & qlp_coeff[3 ]); + q4 = _mm256_set1_epi32(0xffff & qlp_coeff[4 ]); + q5 = _mm256_set1_epi32(0xffff & qlp_coeff[5 ]); + q6 = _mm256_set1_epi32(0xffff & qlp_coeff[6 ]); + q7 = _mm256_set1_epi32(0xffff & qlp_coeff[7 ]); + q8 = _mm256_set1_epi32(0xffff & qlp_coeff[8 ]); + q9 = _mm256_set1_epi32(0xffff & qlp_coeff[9 ]); + q10 = _mm256_set1_epi32(0xffff & qlp_coeff[10]); + + for(i = 0; i < (int)data_len-7; i+=8) { + __m256i summ, mull; + summ = _mm256_madd_epi16(q10, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-11))); + mull = _mm256_madd_epi16(q9, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-10))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_madd_epi16(q8, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-9 ))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_madd_epi16(q7, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-8 ))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_madd_epi16(q6, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-7 ))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_madd_epi16(q5, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-6 ))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_madd_epi16(q4, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-5 ))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_madd_epi16(q3, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-4 ))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_madd_epi16(q2, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-3 ))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_madd_epi16(q1, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-2 ))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_madd_epi16(q0, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-1 ))); summ = _mm256_add_epi32(summ, mull); + summ = _mm256_sra_epi32(summ, cnt); + _mm256_storeu_si256((__m256i*)(void*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(const void*)(data+i)), summ)); + } + } + } + else { + if(order == 10) { + __m256i q0, q1, q2, q3, q4, q5, q6, q7, q8, q9; + q0 = _mm256_set1_epi32(0xffff & qlp_coeff[0 ]); + q1 = _mm256_set1_epi32(0xffff & qlp_coeff[1 ]); + q2 = _mm256_set1_epi32(0xffff & qlp_coeff[2 ]); + q3 = _mm256_set1_epi32(0xffff & qlp_coeff[3 ]); + q4 = _mm256_set1_epi32(0xffff & qlp_coeff[4 ]); + q5 = _mm256_set1_epi32(0xffff & qlp_coeff[5 ]); + q6 = _mm256_set1_epi32(0xffff & qlp_coeff[6 ]); + q7 = _mm256_set1_epi32(0xffff & qlp_coeff[7 ]); + q8 = _mm256_set1_epi32(0xffff & qlp_coeff[8 ]); + q9 = _mm256_set1_epi32(0xffff & qlp_coeff[9 ]); + + for(i = 0; i < (int)data_len-7; i+=8) { + __m256i summ, mull; + summ = _mm256_madd_epi16(q9, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-10))); + mull = _mm256_madd_epi16(q8, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-9 ))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_madd_epi16(q7, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-8 ))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_madd_epi16(q6, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-7 ))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_madd_epi16(q5, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-6 ))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_madd_epi16(q4, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-5 ))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_madd_epi16(q3, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-4 ))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_madd_epi16(q2, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-3 ))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_madd_epi16(q1, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-2 ))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_madd_epi16(q0, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-1 ))); summ = _mm256_add_epi32(summ, mull); + summ = _mm256_sra_epi32(summ, cnt); + _mm256_storeu_si256((__m256i*)(void*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(const void*)(data+i)), summ)); + } + } + else { /* order == 9 */ + __m256i q0, q1, q2, q3, q4, q5, q6, q7, q8; + q0 = _mm256_set1_epi32(0xffff & qlp_coeff[0 ]); + q1 = _mm256_set1_epi32(0xffff & qlp_coeff[1 ]); + q2 = _mm256_set1_epi32(0xffff & qlp_coeff[2 ]); + q3 = _mm256_set1_epi32(0xffff & qlp_coeff[3 ]); + q4 = _mm256_set1_epi32(0xffff & qlp_coeff[4 ]); + q5 = _mm256_set1_epi32(0xffff & qlp_coeff[5 ]); + q6 = _mm256_set1_epi32(0xffff & qlp_coeff[6 ]); + q7 = _mm256_set1_epi32(0xffff & qlp_coeff[7 ]); + q8 = _mm256_set1_epi32(0xffff & qlp_coeff[8 ]); + + for(i = 0; i < (int)data_len-7; i+=8) { + __m256i summ, mull; + summ = _mm256_madd_epi16(q8, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-9 ))); + mull = _mm256_madd_epi16(q7, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-8 ))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_madd_epi16(q6, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-7 ))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_madd_epi16(q5, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-6 ))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_madd_epi16(q4, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-5 ))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_madd_epi16(q3, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-4 ))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_madd_epi16(q2, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-3 ))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_madd_epi16(q1, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-2 ))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_madd_epi16(q0, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-1 ))); summ = _mm256_add_epi32(summ, mull); + summ = _mm256_sra_epi32(summ, cnt); + _mm256_storeu_si256((__m256i*)(void*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(const void*)(data+i)), summ)); + } + } + } + } + else if(order > 4) { + if(order > 6) { + if(order == 8) { + __m256i q0, q1, q2, q3, q4, q5, q6, q7; + q0 = _mm256_set1_epi32(0xffff & qlp_coeff[0 ]); + q1 = _mm256_set1_epi32(0xffff & qlp_coeff[1 ]); + q2 = _mm256_set1_epi32(0xffff & qlp_coeff[2 ]); + q3 = _mm256_set1_epi32(0xffff & qlp_coeff[3 ]); + q4 = _mm256_set1_epi32(0xffff & qlp_coeff[4 ]); + q5 = _mm256_set1_epi32(0xffff & qlp_coeff[5 ]); + q6 = _mm256_set1_epi32(0xffff & qlp_coeff[6 ]); + q7 = _mm256_set1_epi32(0xffff & qlp_coeff[7 ]); + + for(i = 0; i < (int)data_len-7; i+=8) { + __m256i summ, mull; + summ = _mm256_madd_epi16(q7, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-8 ))); + mull = _mm256_madd_epi16(q6, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-7 ))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_madd_epi16(q5, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-6 ))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_madd_epi16(q4, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-5 ))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_madd_epi16(q3, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-4 ))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_madd_epi16(q2, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-3 ))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_madd_epi16(q1, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-2 ))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_madd_epi16(q0, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-1 ))); summ = _mm256_add_epi32(summ, mull); + summ = _mm256_sra_epi32(summ, cnt); + _mm256_storeu_si256((__m256i*)(void*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(const void*)(data+i)), summ)); + } + } + else { /* order == 7 */ + __m256i q0, q1, q2, q3, q4, q5, q6; + q0 = _mm256_set1_epi32(0xffff & qlp_coeff[0 ]); + q1 = _mm256_set1_epi32(0xffff & qlp_coeff[1 ]); + q2 = _mm256_set1_epi32(0xffff & qlp_coeff[2 ]); + q3 = _mm256_set1_epi32(0xffff & qlp_coeff[3 ]); + q4 = _mm256_set1_epi32(0xffff & qlp_coeff[4 ]); + q5 = _mm256_set1_epi32(0xffff & qlp_coeff[5 ]); + q6 = _mm256_set1_epi32(0xffff & qlp_coeff[6 ]); + + for(i = 0; i < (int)data_len-7; i+=8) { + __m256i summ, mull; + summ = _mm256_madd_epi16(q6, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-7 ))); + mull = _mm256_madd_epi16(q5, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-6 ))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_madd_epi16(q4, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-5 ))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_madd_epi16(q3, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-4 ))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_madd_epi16(q2, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-3 ))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_madd_epi16(q1, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-2 ))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_madd_epi16(q0, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-1 ))); summ = _mm256_add_epi32(summ, mull); + summ = _mm256_sra_epi32(summ, cnt); + _mm256_storeu_si256((__m256i*)(void*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(const void*)(data+i)), summ)); + } + } + } + else { + if(order == 6) { + __m256i q0, q1, q2, q3, q4, q5; + q0 = _mm256_set1_epi32(0xffff & qlp_coeff[0 ]); + q1 = _mm256_set1_epi32(0xffff & qlp_coeff[1 ]); + q2 = _mm256_set1_epi32(0xffff & qlp_coeff[2 ]); + q3 = _mm256_set1_epi32(0xffff & qlp_coeff[3 ]); + q4 = _mm256_set1_epi32(0xffff & qlp_coeff[4 ]); + q5 = _mm256_set1_epi32(0xffff & qlp_coeff[5 ]); + + for(i = 0; i < (int)data_len-7; i+=8) { + __m256i summ, mull; + summ = _mm256_madd_epi16(q5, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-6 ))); + mull = _mm256_madd_epi16(q4, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-5 ))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_madd_epi16(q3, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-4 ))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_madd_epi16(q2, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-3 ))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_madd_epi16(q1, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-2 ))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_madd_epi16(q0, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-1 ))); summ = _mm256_add_epi32(summ, mull); + summ = _mm256_sra_epi32(summ, cnt); + _mm256_storeu_si256((__m256i*)(void*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(const void*)(data+i)), summ)); + } + } + else { /* order == 5 */ + __m256i q0, q1, q2, q3, q4; + q0 = _mm256_set1_epi32(0xffff & qlp_coeff[0 ]); + q1 = _mm256_set1_epi32(0xffff & qlp_coeff[1 ]); + q2 = _mm256_set1_epi32(0xffff & qlp_coeff[2 ]); + q3 = _mm256_set1_epi32(0xffff & qlp_coeff[3 ]); + q4 = _mm256_set1_epi32(0xffff & qlp_coeff[4 ]); + + for(i = 0; i < (int)data_len-7; i+=8) { + __m256i summ, mull; + summ = _mm256_madd_epi16(q4, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-5 ))); + mull = _mm256_madd_epi16(q3, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-4 ))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_madd_epi16(q2, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-3 ))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_madd_epi16(q1, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-2 ))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_madd_epi16(q0, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-1 ))); summ = _mm256_add_epi32(summ, mull); + summ = _mm256_sra_epi32(summ, cnt); + _mm256_storeu_si256((__m256i*)(void*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(const void*)(data+i)), summ)); + } + } + } + } + else { + if(order > 2) { + if(order == 4) { + __m256i q0, q1, q2, q3; + q0 = _mm256_set1_epi32(0xffff & qlp_coeff[0 ]); + q1 = _mm256_set1_epi32(0xffff & qlp_coeff[1 ]); + q2 = _mm256_set1_epi32(0xffff & qlp_coeff[2 ]); + q3 = _mm256_set1_epi32(0xffff & qlp_coeff[3 ]); + + for(i = 0; i < (int)data_len-7; i+=8) { + __m256i summ, mull; + summ = _mm256_madd_epi16(q3, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-4 ))); + mull = _mm256_madd_epi16(q2, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-3 ))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_madd_epi16(q1, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-2 ))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_madd_epi16(q0, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-1 ))); summ = _mm256_add_epi32(summ, mull); + summ = _mm256_sra_epi32(summ, cnt); + _mm256_storeu_si256((__m256i*)(void*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(const void*)(data+i)), summ)); + } + } + else { /* order == 3 */ + __m256i q0, q1, q2; + q0 = _mm256_set1_epi32(0xffff & qlp_coeff[0 ]); + q1 = _mm256_set1_epi32(0xffff & qlp_coeff[1 ]); + q2 = _mm256_set1_epi32(0xffff & qlp_coeff[2 ]); + + for(i = 0; i < (int)data_len-7; i+=8) { + __m256i summ, mull; + summ = _mm256_madd_epi16(q2, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-3 ))); + mull = _mm256_madd_epi16(q1, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-2 ))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_madd_epi16(q0, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-1 ))); summ = _mm256_add_epi32(summ, mull); + summ = _mm256_sra_epi32(summ, cnt); + _mm256_storeu_si256((__m256i*)(void*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(const void*)(data+i)), summ)); + } + } + } + else { + if(order == 2) { + __m256i q0, q1; + q0 = _mm256_set1_epi32(0xffff & qlp_coeff[0 ]); + q1 = _mm256_set1_epi32(0xffff & qlp_coeff[1 ]); + + for(i = 0; i < (int)data_len-7; i+=8) { + __m256i summ, mull; + summ = _mm256_madd_epi16(q1, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-2 ))); + mull = _mm256_madd_epi16(q0, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-1 ))); summ = _mm256_add_epi32(summ, mull); + summ = _mm256_sra_epi32(summ, cnt); + _mm256_storeu_si256((__m256i*)(void*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(const void*)(data+i)), summ)); + } + } + else { /* order == 1 */ + __m256i q0; + q0 = _mm256_set1_epi32(0xffff & qlp_coeff[0 ]); + + for(i = 0; i < (int)data_len-7; i+=8) { + __m256i summ; + summ = _mm256_madd_epi16(q0, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-1 ))); + summ = _mm256_sra_epi32(summ, cnt); + _mm256_storeu_si256((__m256i*)(void*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(const void*)(data+i)), summ)); + } + } + } + } + for(; i < (int)data_len; i++) { + sum = 0; + switch(order) { + case 12: sum += qlp_coeff[11] * data[i-12]; /* Falls through. */ + case 11: sum += qlp_coeff[10] * data[i-11]; /* Falls through. */ + case 10: sum += qlp_coeff[ 9] * data[i-10]; /* Falls through. */ + case 9: sum += qlp_coeff[ 8] * data[i- 9]; /* Falls through. */ + case 8: sum += qlp_coeff[ 7] * data[i- 8]; /* Falls through. */ + case 7: sum += qlp_coeff[ 6] * data[i- 7]; /* Falls through. */ + case 6: sum += qlp_coeff[ 5] * data[i- 6]; /* Falls through. */ + case 5: sum += qlp_coeff[ 4] * data[i- 5]; /* Falls through. */ + case 4: sum += qlp_coeff[ 3] * data[i- 4]; /* Falls through. */ + case 3: sum += qlp_coeff[ 2] * data[i- 3]; /* Falls through. */ + case 2: sum += qlp_coeff[ 1] * data[i- 2]; /* Falls through. */ + case 1: sum += qlp_coeff[ 0] * data[i- 1]; + } + residual[i] = data[i] - (sum >> lp_quantization); + } + } + else { /* order > 12 */ + for(i = 0; i < (int)data_len; i++) { + sum = 0; + switch(order) { + case 32: sum += qlp_coeff[31] * data[i-32]; /* Falls through. */ + case 31: sum += qlp_coeff[30] * data[i-31]; /* Falls through. */ + case 30: sum += qlp_coeff[29] * data[i-30]; /* Falls through. */ + case 29: sum += qlp_coeff[28] * data[i-29]; /* Falls through. */ + case 28: sum += qlp_coeff[27] * data[i-28]; /* Falls through. */ + case 27: sum += qlp_coeff[26] * data[i-27]; /* Falls through. */ + case 26: sum += qlp_coeff[25] * data[i-26]; /* Falls through. */ + case 25: sum += qlp_coeff[24] * data[i-25]; /* Falls through. */ + case 24: sum += qlp_coeff[23] * data[i-24]; /* Falls through. */ + case 23: sum += qlp_coeff[22] * data[i-23]; /* Falls through. */ + case 22: sum += qlp_coeff[21] * data[i-22]; /* Falls through. */ + case 21: sum += qlp_coeff[20] * data[i-21]; /* Falls through. */ + case 20: sum += qlp_coeff[19] * data[i-20]; /* Falls through. */ + case 19: sum += qlp_coeff[18] * data[i-19]; /* Falls through. */ + case 18: sum += qlp_coeff[17] * data[i-18]; /* Falls through. */ + case 17: sum += qlp_coeff[16] * data[i-17]; /* Falls through. */ + case 16: sum += qlp_coeff[15] * data[i-16]; /* Falls through. */ + case 15: sum += qlp_coeff[14] * data[i-15]; /* Falls through. */ + case 14: sum += qlp_coeff[13] * data[i-14]; /* Falls through. */ + case 13: sum += qlp_coeff[12] * data[i-13]; + sum += qlp_coeff[11] * data[i-12]; + sum += qlp_coeff[10] * data[i-11]; + sum += qlp_coeff[ 9] * data[i-10]; + sum += qlp_coeff[ 8] * data[i- 9]; + sum += qlp_coeff[ 7] * data[i- 8]; + sum += qlp_coeff[ 6] * data[i- 7]; + sum += qlp_coeff[ 5] * data[i- 6]; + sum += qlp_coeff[ 4] * data[i- 5]; + sum += qlp_coeff[ 3] * data[i- 4]; + sum += qlp_coeff[ 2] * data[i- 3]; + sum += qlp_coeff[ 1] * data[i- 2]; + sum += qlp_coeff[ 0] * data[i- 1]; + } + residual[i] = data[i] - (sum >> lp_quantization); + } + } + _mm256_zeroupper(); +} + +FLAC__SSE_TARGET("avx2") +void FLAC__lpc_compute_residual_from_qlp_coefficients_intrin_avx2(const FLAC__int32 *data, uint32_t data_len, const FLAC__int32 qlp_coeff[], uint32_t order, int lp_quantization, FLAC__int32 residual[]) +{ + int i; + FLAC__int32 sum; + const __m128i cnt = _mm_cvtsi32_si128(lp_quantization); + + FLAC__ASSERT(order > 0); + FLAC__ASSERT(order <= 32); + + if(order <= 12) { + if(order > 8) { + if(order > 10) { + if(order == 12) { + __m256i q0, q1, q2, q3, q4, q5, q6, q7, q8, q9, q10, q11; + q0 = _mm256_set1_epi32(qlp_coeff[0 ]); + q1 = _mm256_set1_epi32(qlp_coeff[1 ]); + q2 = _mm256_set1_epi32(qlp_coeff[2 ]); + q3 = _mm256_set1_epi32(qlp_coeff[3 ]); + q4 = _mm256_set1_epi32(qlp_coeff[4 ]); + q5 = _mm256_set1_epi32(qlp_coeff[5 ]); + q6 = _mm256_set1_epi32(qlp_coeff[6 ]); + q7 = _mm256_set1_epi32(qlp_coeff[7 ]); + q8 = _mm256_set1_epi32(qlp_coeff[8 ]); + q9 = _mm256_set1_epi32(qlp_coeff[9 ]); + q10 = _mm256_set1_epi32(qlp_coeff[10]); + q11 = _mm256_set1_epi32(qlp_coeff[11]); + + for(i = 0; i < (int)data_len-7; i+=8) { + __m256i summ, mull; + summ = _mm256_mullo_epi32(q11, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-12))); + mull = _mm256_mullo_epi32(q10, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-11))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_mullo_epi32(q9, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-10))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_mullo_epi32(q8, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-9))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_mullo_epi32(q7, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-8))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_mullo_epi32(q6, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-7))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_mullo_epi32(q5, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-6))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_mullo_epi32(q4, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-5))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_mullo_epi32(q3, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-4))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_mullo_epi32(q2, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-3))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_mullo_epi32(q1, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-2))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_mullo_epi32(q0, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-1))); summ = _mm256_add_epi32(summ, mull); + summ = _mm256_sra_epi32(summ, cnt); + _mm256_storeu_si256((__m256i*)(void*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(const void*)(data+i)), summ)); + } + } + else { /* order == 11 */ + __m256i q0, q1, q2, q3, q4, q5, q6, q7, q8, q9, q10; + q0 = _mm256_set1_epi32(qlp_coeff[0 ]); + q1 = _mm256_set1_epi32(qlp_coeff[1 ]); + q2 = _mm256_set1_epi32(qlp_coeff[2 ]); + q3 = _mm256_set1_epi32(qlp_coeff[3 ]); + q4 = _mm256_set1_epi32(qlp_coeff[4 ]); + q5 = _mm256_set1_epi32(qlp_coeff[5 ]); + q6 = _mm256_set1_epi32(qlp_coeff[6 ]); + q7 = _mm256_set1_epi32(qlp_coeff[7 ]); + q8 = _mm256_set1_epi32(qlp_coeff[8 ]); + q9 = _mm256_set1_epi32(qlp_coeff[9 ]); + q10 = _mm256_set1_epi32(qlp_coeff[10]); + + for(i = 0; i < (int)data_len-7; i+=8) { + __m256i summ, mull; + summ = _mm256_mullo_epi32(q10, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-11))); + mull = _mm256_mullo_epi32(q9, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-10))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_mullo_epi32(q8, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-9))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_mullo_epi32(q7, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-8))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_mullo_epi32(q6, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-7))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_mullo_epi32(q5, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-6))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_mullo_epi32(q4, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-5))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_mullo_epi32(q3, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-4))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_mullo_epi32(q2, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-3))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_mullo_epi32(q1, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-2))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_mullo_epi32(q0, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-1))); summ = _mm256_add_epi32(summ, mull); + summ = _mm256_sra_epi32(summ, cnt); + _mm256_storeu_si256((__m256i*)(void*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(const void*)(data+i)), summ)); + } + } + } + else { + if(order == 10) { + __m256i q0, q1, q2, q3, q4, q5, q6, q7, q8, q9; + q0 = _mm256_set1_epi32(qlp_coeff[0 ]); + q1 = _mm256_set1_epi32(qlp_coeff[1 ]); + q2 = _mm256_set1_epi32(qlp_coeff[2 ]); + q3 = _mm256_set1_epi32(qlp_coeff[3 ]); + q4 = _mm256_set1_epi32(qlp_coeff[4 ]); + q5 = _mm256_set1_epi32(qlp_coeff[5 ]); + q6 = _mm256_set1_epi32(qlp_coeff[6 ]); + q7 = _mm256_set1_epi32(qlp_coeff[7 ]); + q8 = _mm256_set1_epi32(qlp_coeff[8 ]); + q9 = _mm256_set1_epi32(qlp_coeff[9 ]); + + for(i = 0; i < (int)data_len-7; i+=8) { + __m256i summ, mull; + summ = _mm256_mullo_epi32(q9, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-10))); + mull = _mm256_mullo_epi32(q8, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-9))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_mullo_epi32(q7, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-8))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_mullo_epi32(q6, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-7))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_mullo_epi32(q5, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-6))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_mullo_epi32(q4, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-5))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_mullo_epi32(q3, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-4))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_mullo_epi32(q2, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-3))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_mullo_epi32(q1, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-2))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_mullo_epi32(q0, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-1))); summ = _mm256_add_epi32(summ, mull); + summ = _mm256_sra_epi32(summ, cnt); + _mm256_storeu_si256((__m256i*)(void*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(const void*)(data+i)), summ)); + } + } + else { /* order == 9 */ + __m256i q0, q1, q2, q3, q4, q5, q6, q7, q8; + q0 = _mm256_set1_epi32(qlp_coeff[0 ]); + q1 = _mm256_set1_epi32(qlp_coeff[1 ]); + q2 = _mm256_set1_epi32(qlp_coeff[2 ]); + q3 = _mm256_set1_epi32(qlp_coeff[3 ]); + q4 = _mm256_set1_epi32(qlp_coeff[4 ]); + q5 = _mm256_set1_epi32(qlp_coeff[5 ]); + q6 = _mm256_set1_epi32(qlp_coeff[6 ]); + q7 = _mm256_set1_epi32(qlp_coeff[7 ]); + q8 = _mm256_set1_epi32(qlp_coeff[8 ]); + + for(i = 0; i < (int)data_len-7; i+=8) { + __m256i summ, mull; + summ = _mm256_mullo_epi32(q8, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-9))); + mull = _mm256_mullo_epi32(q7, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-8))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_mullo_epi32(q6, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-7))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_mullo_epi32(q5, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-6))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_mullo_epi32(q4, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-5))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_mullo_epi32(q3, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-4))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_mullo_epi32(q2, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-3))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_mullo_epi32(q1, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-2))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_mullo_epi32(q0, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-1))); summ = _mm256_add_epi32(summ, mull); + summ = _mm256_sra_epi32(summ, cnt); + _mm256_storeu_si256((__m256i*)(void*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(const void*)(data+i)), summ)); + } + } + } + } + else if(order > 4) { + if(order > 6) { + if(order == 8) { + __m256i q0, q1, q2, q3, q4, q5, q6, q7; + q0 = _mm256_set1_epi32(qlp_coeff[0 ]); + q1 = _mm256_set1_epi32(qlp_coeff[1 ]); + q2 = _mm256_set1_epi32(qlp_coeff[2 ]); + q3 = _mm256_set1_epi32(qlp_coeff[3 ]); + q4 = _mm256_set1_epi32(qlp_coeff[4 ]); + q5 = _mm256_set1_epi32(qlp_coeff[5 ]); + q6 = _mm256_set1_epi32(qlp_coeff[6 ]); + q7 = _mm256_set1_epi32(qlp_coeff[7 ]); + + for(i = 0; i < (int)data_len-7; i+=8) { + __m256i summ, mull; + summ = _mm256_mullo_epi32(q7, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-8))); + mull = _mm256_mullo_epi32(q6, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-7))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_mullo_epi32(q5, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-6))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_mullo_epi32(q4, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-5))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_mullo_epi32(q3, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-4))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_mullo_epi32(q2, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-3))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_mullo_epi32(q1, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-2))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_mullo_epi32(q0, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-1))); summ = _mm256_add_epi32(summ, mull); + summ = _mm256_sra_epi32(summ, cnt); + _mm256_storeu_si256((__m256i*)(void*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(const void*)(data+i)), summ)); + } + } + else { /* order == 7 */ + __m256i q0, q1, q2, q3, q4, q5, q6; + q0 = _mm256_set1_epi32(qlp_coeff[0 ]); + q1 = _mm256_set1_epi32(qlp_coeff[1 ]); + q2 = _mm256_set1_epi32(qlp_coeff[2 ]); + q3 = _mm256_set1_epi32(qlp_coeff[3 ]); + q4 = _mm256_set1_epi32(qlp_coeff[4 ]); + q5 = _mm256_set1_epi32(qlp_coeff[5 ]); + q6 = _mm256_set1_epi32(qlp_coeff[6 ]); + + for(i = 0; i < (int)data_len-7; i+=8) { + __m256i summ, mull; + summ = _mm256_mullo_epi32(q6, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-7))); + mull = _mm256_mullo_epi32(q5, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-6))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_mullo_epi32(q4, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-5))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_mullo_epi32(q3, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-4))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_mullo_epi32(q2, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-3))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_mullo_epi32(q1, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-2))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_mullo_epi32(q0, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-1))); summ = _mm256_add_epi32(summ, mull); + summ = _mm256_sra_epi32(summ, cnt); + _mm256_storeu_si256((__m256i*)(void*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(const void*)(data+i)), summ)); + } + } + } + else { + if(order == 6) { + __m256i q0, q1, q2, q3, q4, q5; + q0 = _mm256_set1_epi32(qlp_coeff[0 ]); + q1 = _mm256_set1_epi32(qlp_coeff[1 ]); + q2 = _mm256_set1_epi32(qlp_coeff[2 ]); + q3 = _mm256_set1_epi32(qlp_coeff[3 ]); + q4 = _mm256_set1_epi32(qlp_coeff[4 ]); + q5 = _mm256_set1_epi32(qlp_coeff[5 ]); + + for(i = 0; i < (int)data_len-7; i+=8) { + __m256i summ, mull; + summ = _mm256_mullo_epi32(q5, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-6))); + mull = _mm256_mullo_epi32(q4, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-5))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_mullo_epi32(q3, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-4))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_mullo_epi32(q2, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-3))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_mullo_epi32(q1, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-2))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_mullo_epi32(q0, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-1))); summ = _mm256_add_epi32(summ, mull); + summ = _mm256_sra_epi32(summ, cnt); + _mm256_storeu_si256((__m256i*)(void*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(const void*)(data+i)), summ)); + } + } + else { /* order == 5 */ + __m256i q0, q1, q2, q3, q4; + q0 = _mm256_set1_epi32(qlp_coeff[0 ]); + q1 = _mm256_set1_epi32(qlp_coeff[1 ]); + q2 = _mm256_set1_epi32(qlp_coeff[2 ]); + q3 = _mm256_set1_epi32(qlp_coeff[3 ]); + q4 = _mm256_set1_epi32(qlp_coeff[4 ]); + + for(i = 0; i < (int)data_len-7; i+=8) { + __m256i summ, mull; + summ = _mm256_mullo_epi32(q4, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-5))); + mull = _mm256_mullo_epi32(q3, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-4))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_mullo_epi32(q2, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-3))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_mullo_epi32(q1, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-2))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_mullo_epi32(q0, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-1))); summ = _mm256_add_epi32(summ, mull); + summ = _mm256_sra_epi32(summ, cnt); + _mm256_storeu_si256((__m256i*)(void*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(const void*)(data+i)), summ)); + } + } + } + } + else { + if(order > 2) { + if(order == 4) { + __m256i q0, q1, q2, q3; + q0 = _mm256_set1_epi32(qlp_coeff[0 ]); + q1 = _mm256_set1_epi32(qlp_coeff[1 ]); + q2 = _mm256_set1_epi32(qlp_coeff[2 ]); + q3 = _mm256_set1_epi32(qlp_coeff[3 ]); + + for(i = 0; i < (int)data_len-7; i+=8) { + __m256i summ, mull; + summ = _mm256_mullo_epi32(q3, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-4))); + mull = _mm256_mullo_epi32(q2, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-3))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_mullo_epi32(q1, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-2))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_mullo_epi32(q0, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-1))); summ = _mm256_add_epi32(summ, mull); + summ = _mm256_sra_epi32(summ, cnt); + _mm256_storeu_si256((__m256i*)(void*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(const void*)(data+i)), summ)); + } + } + else { /* order == 3 */ + __m256i q0, q1, q2; + q0 = _mm256_set1_epi32(qlp_coeff[0 ]); + q1 = _mm256_set1_epi32(qlp_coeff[1 ]); + q2 = _mm256_set1_epi32(qlp_coeff[2 ]); + + for(i = 0; i < (int)data_len-7; i+=8) { + __m256i summ, mull; + summ = _mm256_mullo_epi32(q2, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-3))); + mull = _mm256_mullo_epi32(q1, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-2))); summ = _mm256_add_epi32(summ, mull); + mull = _mm256_mullo_epi32(q0, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-1))); summ = _mm256_add_epi32(summ, mull); + summ = _mm256_sra_epi32(summ, cnt); + _mm256_storeu_si256((__m256i*)(void*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(const void*)(data+i)), summ)); + } + } + } + else { + if(order == 2) { + __m256i q0, q1; + q0 = _mm256_set1_epi32(qlp_coeff[0 ]); + q1 = _mm256_set1_epi32(qlp_coeff[1 ]); + + for(i = 0; i < (int)data_len-7; i+=8) { + __m256i summ, mull; + summ = _mm256_mullo_epi32(q1, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-2))); + mull = _mm256_mullo_epi32(q0, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-1))); summ = _mm256_add_epi32(summ, mull); + summ = _mm256_sra_epi32(summ, cnt); + _mm256_storeu_si256((__m256i*)(void*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(const void*)(data+i)), summ)); + } + } + else { /* order == 1 */ + __m256i q0; + q0 = _mm256_set1_epi32(qlp_coeff[0 ]); + + for(i = 0; i < (int)data_len-7; i+=8) { + __m256i summ; + summ = _mm256_mullo_epi32(q0, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-1))); + summ = _mm256_sra_epi32(summ, cnt); + _mm256_storeu_si256((__m256i*)(void*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(const void*)(data+i)), summ)); + } + } + } + } + for(; i < (int)data_len; i++) { + sum = 0; + switch(order) { + case 12: sum += qlp_coeff[11] * data[i-12]; /* Falls through. */ + case 11: sum += qlp_coeff[10] * data[i-11]; /* Falls through. */ + case 10: sum += qlp_coeff[ 9] * data[i-10]; /* Falls through. */ + case 9: sum += qlp_coeff[ 8] * data[i- 9]; /* Falls through. */ + case 8: sum += qlp_coeff[ 7] * data[i- 8]; /* Falls through. */ + case 7: sum += qlp_coeff[ 6] * data[i- 7]; /* Falls through. */ + case 6: sum += qlp_coeff[ 5] * data[i- 6]; /* Falls through. */ + case 5: sum += qlp_coeff[ 4] * data[i- 5]; /* Falls through. */ + case 4: sum += qlp_coeff[ 3] * data[i- 4]; /* Falls through. */ + case 3: sum += qlp_coeff[ 2] * data[i- 3]; /* Falls through. */ + case 2: sum += qlp_coeff[ 1] * data[i- 2]; /* Falls through. */ + case 1: sum += qlp_coeff[ 0] * data[i- 1]; + } + residual[i] = data[i] - (sum >> lp_quantization); + } + } + else { /* order > 12 */ + for(i = 0; i < (int)data_len; i++) { + sum = 0; + switch(order) { + case 32: sum += qlp_coeff[31] * data[i-32]; /* Falls through. */ + case 31: sum += qlp_coeff[30] * data[i-31]; /* Falls through. */ + case 30: sum += qlp_coeff[29] * data[i-30]; /* Falls through. */ + case 29: sum += qlp_coeff[28] * data[i-29]; /* Falls through. */ + case 28: sum += qlp_coeff[27] * data[i-28]; /* Falls through. */ + case 27: sum += qlp_coeff[26] * data[i-27]; /* Falls through. */ + case 26: sum += qlp_coeff[25] * data[i-26]; /* Falls through. */ + case 25: sum += qlp_coeff[24] * data[i-25]; /* Falls through. */ + case 24: sum += qlp_coeff[23] * data[i-24]; /* Falls through. */ + case 23: sum += qlp_coeff[22] * data[i-23]; /* Falls through. */ + case 22: sum += qlp_coeff[21] * data[i-22]; /* Falls through. */ + case 21: sum += qlp_coeff[20] * data[i-21]; /* Falls through. */ + case 20: sum += qlp_coeff[19] * data[i-20]; /* Falls through. */ + case 19: sum += qlp_coeff[18] * data[i-19]; /* Falls through. */ + case 18: sum += qlp_coeff[17] * data[i-18]; /* Falls through. */ + case 17: sum += qlp_coeff[16] * data[i-17]; /* Falls through. */ + case 16: sum += qlp_coeff[15] * data[i-16]; /* Falls through. */ + case 15: sum += qlp_coeff[14] * data[i-15]; /* Falls through. */ + case 14: sum += qlp_coeff[13] * data[i-14]; /* Falls through. */ + case 13: sum += qlp_coeff[12] * data[i-13]; + sum += qlp_coeff[11] * data[i-12]; + sum += qlp_coeff[10] * data[i-11]; + sum += qlp_coeff[ 9] * data[i-10]; + sum += qlp_coeff[ 8] * data[i- 9]; + sum += qlp_coeff[ 7] * data[i- 8]; + sum += qlp_coeff[ 6] * data[i- 7]; + sum += qlp_coeff[ 5] * data[i- 6]; + sum += qlp_coeff[ 4] * data[i- 5]; + sum += qlp_coeff[ 3] * data[i- 4]; + sum += qlp_coeff[ 2] * data[i- 3]; + sum += qlp_coeff[ 1] * data[i- 2]; + sum += qlp_coeff[ 0] * data[i- 1]; + } + residual[i] = data[i] - (sum >> lp_quantization); + } + } + _mm256_zeroupper(); +} + +static FLAC__int32 pack_arr[8] = { 0, 2, 4, 6, 1, 3, 5, 7 }; + +FLAC__SSE_TARGET("avx2") +void FLAC__lpc_compute_residual_from_qlp_coefficients_wide_intrin_avx2(const FLAC__int32 *data, uint32_t data_len, const FLAC__int32 qlp_coeff[], uint32_t order, int lp_quantization, FLAC__int32 residual[]) +{ + int i; + FLAC__int64 sum; + const __m128i cnt = _mm_cvtsi32_si128(lp_quantization); + const __m256i pack = _mm256_loadu_si256((const __m256i *)(const void*)pack_arr); + + FLAC__ASSERT(order > 0); + FLAC__ASSERT(order <= 32); + FLAC__ASSERT(lp_quantization <= 32); /* there's no _mm256_sra_epi64() so we have to use _mm256_srl_epi64() */ + + if(order <= 12) { + if(order > 8) { + if(order > 10) { + if(order == 12) { + __m256i q0, q1, q2, q3, q4, q5, q6, q7, q8, q9, q10, q11; + q0 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[0 ])); + q1 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[1 ])); + q2 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[2 ])); + q3 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[3 ])); + q4 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[4 ])); + q5 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[5 ])); + q6 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[6 ])); + q7 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[7 ])); + q8 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[8 ])); + q9 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[9 ])); + q10 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[10])); + q11 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[11])); + + for(i = 0; i < (int)data_len-3; i+=4) { + __m256i summ, mull; + summ = _mm256_mul_epi32(q11, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-12)))); + mull = _mm256_mul_epi32(q10, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-11)))); summ = _mm256_add_epi64(summ, mull); + mull = _mm256_mul_epi32(q9, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-10)))); summ = _mm256_add_epi64(summ, mull); + mull = _mm256_mul_epi32(q8, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-9 )))); summ = _mm256_add_epi64(summ, mull); + mull = _mm256_mul_epi32(q7, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-8 )))); summ = _mm256_add_epi64(summ, mull); + mull = _mm256_mul_epi32(q6, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-7 )))); summ = _mm256_add_epi64(summ, mull); + mull = _mm256_mul_epi32(q5, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-6 )))); summ = _mm256_add_epi64(summ, mull); + mull = _mm256_mul_epi32(q4, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-5 )))); summ = _mm256_add_epi64(summ, mull); + mull = _mm256_mul_epi32(q3, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-4 )))); summ = _mm256_add_epi64(summ, mull); + mull = _mm256_mul_epi32(q2, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-3 )))); summ = _mm256_add_epi64(summ, mull); + mull = _mm256_mul_epi32(q1, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-2 )))); summ = _mm256_add_epi64(summ, mull); + mull = _mm256_mul_epi32(q0, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-1 )))); summ = _mm256_add_epi64(summ, mull); + summ = _mm256_permutevar8x32_epi32(_mm256_srl_epi64(summ, cnt), pack); + _mm_storeu_si128((__m128i*)(void*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(const void*)(data+i)), _mm256_castsi256_si128(summ))); + } + } + else { /* order == 11 */ + __m256i q0, q1, q2, q3, q4, q5, q6, q7, q8, q9, q10; + q0 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[0 ])); + q1 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[1 ])); + q2 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[2 ])); + q3 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[3 ])); + q4 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[4 ])); + q5 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[5 ])); + q6 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[6 ])); + q7 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[7 ])); + q8 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[8 ])); + q9 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[9 ])); + q10 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[10])); + + for(i = 0; i < (int)data_len-3; i+=4) { + __m256i summ, mull; + summ = _mm256_mul_epi32(q10, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-11)))); + mull = _mm256_mul_epi32(q9, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-10)))); summ = _mm256_add_epi64(summ, mull); + mull = _mm256_mul_epi32(q8, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-9 )))); summ = _mm256_add_epi64(summ, mull); + mull = _mm256_mul_epi32(q7, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-8 )))); summ = _mm256_add_epi64(summ, mull); + mull = _mm256_mul_epi32(q6, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-7 )))); summ = _mm256_add_epi64(summ, mull); + mull = _mm256_mul_epi32(q5, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-6 )))); summ = _mm256_add_epi64(summ, mull); + mull = _mm256_mul_epi32(q4, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-5 )))); summ = _mm256_add_epi64(summ, mull); + mull = _mm256_mul_epi32(q3, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-4 )))); summ = _mm256_add_epi64(summ, mull); + mull = _mm256_mul_epi32(q2, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-3 )))); summ = _mm256_add_epi64(summ, mull); + mull = _mm256_mul_epi32(q1, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-2 )))); summ = _mm256_add_epi64(summ, mull); + mull = _mm256_mul_epi32(q0, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-1 )))); summ = _mm256_add_epi64(summ, mull); + summ = _mm256_permutevar8x32_epi32(_mm256_srl_epi64(summ, cnt), pack); + _mm_storeu_si128((__m128i*)(void*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(const void*)(data+i)), _mm256_castsi256_si128(summ))); + } + } + } + else { + if(order == 10) { + __m256i q0, q1, q2, q3, q4, q5, q6, q7, q8, q9; + q0 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[0 ])); + q1 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[1 ])); + q2 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[2 ])); + q3 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[3 ])); + q4 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[4 ])); + q5 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[5 ])); + q6 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[6 ])); + q7 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[7 ])); + q8 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[8 ])); + q9 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[9 ])); + + for(i = 0; i < (int)data_len-3; i+=4) { + __m256i summ, mull; + summ = _mm256_mul_epi32(q9, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-10)))); + mull = _mm256_mul_epi32(q8, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-9 )))); summ = _mm256_add_epi64(summ, mull); + mull = _mm256_mul_epi32(q7, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-8 )))); summ = _mm256_add_epi64(summ, mull); + mull = _mm256_mul_epi32(q6, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-7 )))); summ = _mm256_add_epi64(summ, mull); + mull = _mm256_mul_epi32(q5, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-6 )))); summ = _mm256_add_epi64(summ, mull); + mull = _mm256_mul_epi32(q4, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-5 )))); summ = _mm256_add_epi64(summ, mull); + mull = _mm256_mul_epi32(q3, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-4 )))); summ = _mm256_add_epi64(summ, mull); + mull = _mm256_mul_epi32(q2, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-3 )))); summ = _mm256_add_epi64(summ, mull); + mull = _mm256_mul_epi32(q1, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-2 )))); summ = _mm256_add_epi64(summ, mull); + mull = _mm256_mul_epi32(q0, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-1 )))); summ = _mm256_add_epi64(summ, mull); + summ = _mm256_permutevar8x32_epi32(_mm256_srl_epi64(summ, cnt), pack); + _mm_storeu_si128((__m128i*)(void*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(const void*)(data+i)), _mm256_castsi256_si128(summ))); + } + } + else { /* order == 9 */ + __m256i q0, q1, q2, q3, q4, q5, q6, q7, q8; + q0 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[0 ])); + q1 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[1 ])); + q2 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[2 ])); + q3 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[3 ])); + q4 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[4 ])); + q5 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[5 ])); + q6 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[6 ])); + q7 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[7 ])); + q8 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[8 ])); + + for(i = 0; i < (int)data_len-3; i+=4) { + __m256i summ, mull; + summ = _mm256_mul_epi32(q8, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-9 )))); + mull = _mm256_mul_epi32(q7, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-8 )))); summ = _mm256_add_epi64(summ, mull); + mull = _mm256_mul_epi32(q6, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-7 )))); summ = _mm256_add_epi64(summ, mull); + mull = _mm256_mul_epi32(q5, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-6 )))); summ = _mm256_add_epi64(summ, mull); + mull = _mm256_mul_epi32(q4, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-5 )))); summ = _mm256_add_epi64(summ, mull); + mull = _mm256_mul_epi32(q3, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-4 )))); summ = _mm256_add_epi64(summ, mull); + mull = _mm256_mul_epi32(q2, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-3 )))); summ = _mm256_add_epi64(summ, mull); + mull = _mm256_mul_epi32(q1, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-2 )))); summ = _mm256_add_epi64(summ, mull); + mull = _mm256_mul_epi32(q0, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-1 )))); summ = _mm256_add_epi64(summ, mull); + summ = _mm256_permutevar8x32_epi32(_mm256_srl_epi64(summ, cnt), pack); + _mm_storeu_si128((__m128i*)(void*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(const void*)(data+i)), _mm256_castsi256_si128(summ))); + } + } + } + } + else if(order > 4) { + if(order > 6) { + if(order == 8) { + __m256i q0, q1, q2, q3, q4, q5, q6, q7; + q0 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[0 ])); + q1 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[1 ])); + q2 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[2 ])); + q3 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[3 ])); + q4 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[4 ])); + q5 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[5 ])); + q6 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[6 ])); + q7 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[7 ])); + + for(i = 0; i < (int)data_len-3; i+=4) { + __m256i summ, mull; + summ = _mm256_mul_epi32(q7, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-8 )))); + mull = _mm256_mul_epi32(q6, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-7 )))); summ = _mm256_add_epi64(summ, mull); + mull = _mm256_mul_epi32(q5, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-6 )))); summ = _mm256_add_epi64(summ, mull); + mull = _mm256_mul_epi32(q4, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-5 )))); summ = _mm256_add_epi64(summ, mull); + mull = _mm256_mul_epi32(q3, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-4 )))); summ = _mm256_add_epi64(summ, mull); + mull = _mm256_mul_epi32(q2, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-3 )))); summ = _mm256_add_epi64(summ, mull); + mull = _mm256_mul_epi32(q1, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-2 )))); summ = _mm256_add_epi64(summ, mull); + mull = _mm256_mul_epi32(q0, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-1 )))); summ = _mm256_add_epi64(summ, mull); + summ = _mm256_permutevar8x32_epi32(_mm256_srl_epi64(summ, cnt), pack); + _mm_storeu_si128((__m128i*)(void*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(const void*)(data+i)), _mm256_castsi256_si128(summ))); + } + } + else { /* order == 7 */ + __m256i q0, q1, q2, q3, q4, q5, q6; + q0 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[0 ])); + q1 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[1 ])); + q2 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[2 ])); + q3 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[3 ])); + q4 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[4 ])); + q5 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[5 ])); + q6 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[6 ])); + + for(i = 0; i < (int)data_len-3; i+=4) { + __m256i summ, mull; + summ = _mm256_mul_epi32(q6, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-7 )))); + mull = _mm256_mul_epi32(q5, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-6 )))); summ = _mm256_add_epi64(summ, mull); + mull = _mm256_mul_epi32(q4, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-5 )))); summ = _mm256_add_epi64(summ, mull); + mull = _mm256_mul_epi32(q3, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-4 )))); summ = _mm256_add_epi64(summ, mull); + mull = _mm256_mul_epi32(q2, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-3 )))); summ = _mm256_add_epi64(summ, mull); + mull = _mm256_mul_epi32(q1, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-2 )))); summ = _mm256_add_epi64(summ, mull); + mull = _mm256_mul_epi32(q0, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-1 )))); summ = _mm256_add_epi64(summ, mull); + summ = _mm256_permutevar8x32_epi32(_mm256_srl_epi64(summ, cnt), pack); + _mm_storeu_si128((__m128i*)(void*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(const void*)(data+i)), _mm256_castsi256_si128(summ))); + } + } + } + else { + if(order == 6) { + __m256i q0, q1, q2, q3, q4, q5; + q0 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[0 ])); + q1 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[1 ])); + q2 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[2 ])); + q3 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[3 ])); + q4 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[4 ])); + q5 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[5 ])); + + for(i = 0; i < (int)data_len-3; i+=4) { + __m256i summ, mull; + summ = _mm256_mul_epi32(q5, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-6 )))); + mull = _mm256_mul_epi32(q4, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-5 )))); summ = _mm256_add_epi64(summ, mull); + mull = _mm256_mul_epi32(q3, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-4 )))); summ = _mm256_add_epi64(summ, mull); + mull = _mm256_mul_epi32(q2, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-3 )))); summ = _mm256_add_epi64(summ, mull); + mull = _mm256_mul_epi32(q1, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-2 )))); summ = _mm256_add_epi64(summ, mull); + mull = _mm256_mul_epi32(q0, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-1 )))); summ = _mm256_add_epi64(summ, mull); + summ = _mm256_permutevar8x32_epi32(_mm256_srl_epi64(summ, cnt), pack); + _mm_storeu_si128((__m128i*)(void*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(const void*)(data+i)), _mm256_castsi256_si128(summ))); + } + } + else { /* order == 5 */ + __m256i q0, q1, q2, q3, q4; + q0 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[0 ])); + q1 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[1 ])); + q2 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[2 ])); + q3 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[3 ])); + q4 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[4 ])); + + for(i = 0; i < (int)data_len-3; i+=4) { + __m256i summ, mull; + summ = _mm256_mul_epi32(q4, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-5 )))); + mull = _mm256_mul_epi32(q3, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-4 )))); summ = _mm256_add_epi64(summ, mull); + mull = _mm256_mul_epi32(q2, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-3 )))); summ = _mm256_add_epi64(summ, mull); + mull = _mm256_mul_epi32(q1, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-2 )))); summ = _mm256_add_epi64(summ, mull); + mull = _mm256_mul_epi32(q0, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-1 )))); summ = _mm256_add_epi64(summ, mull); + summ = _mm256_permutevar8x32_epi32(_mm256_srl_epi64(summ, cnt), pack); + _mm_storeu_si128((__m128i*)(void*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(const void*)(data+i)), _mm256_castsi256_si128(summ))); + } + } + } + } + else { + if(order > 2) { + if(order == 4) { + __m256i q0, q1, q2, q3; + q0 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[0 ])); + q1 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[1 ])); + q2 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[2 ])); + q3 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[3 ])); + + for(i = 0; i < (int)data_len-3; i+=4) { + __m256i summ, mull; + summ = _mm256_mul_epi32(q3, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-4 )))); + mull = _mm256_mul_epi32(q2, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-3 )))); summ = _mm256_add_epi64(summ, mull); + mull = _mm256_mul_epi32(q1, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-2 )))); summ = _mm256_add_epi64(summ, mull); + mull = _mm256_mul_epi32(q0, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-1 )))); summ = _mm256_add_epi64(summ, mull); + summ = _mm256_permutevar8x32_epi32(_mm256_srl_epi64(summ, cnt), pack); + _mm_storeu_si128((__m128i*)(void*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(const void*)(data+i)), _mm256_castsi256_si128(summ))); + } + } + else { /* order == 3 */ + __m256i q0, q1, q2; + q0 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[0 ])); + q1 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[1 ])); + q2 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[2 ])); + + for(i = 0; i < (int)data_len-3; i+=4) { + __m256i summ, mull; + summ = _mm256_mul_epi32(q2, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-3 )))); + mull = _mm256_mul_epi32(q1, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-2 )))); summ = _mm256_add_epi64(summ, mull); + mull = _mm256_mul_epi32(q0, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-1 )))); summ = _mm256_add_epi64(summ, mull); + summ = _mm256_permutevar8x32_epi32(_mm256_srl_epi64(summ, cnt), pack); + _mm_storeu_si128((__m128i*)(void*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(const void*)(data+i)), _mm256_castsi256_si128(summ))); + } + } + } + else { + if(order == 2) { + __m256i q0, q1; + q0 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[0 ])); + q1 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[1 ])); + + for(i = 0; i < (int)data_len-3; i+=4) { + __m256i summ, mull; + summ = _mm256_mul_epi32(q1, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-2 )))); + mull = _mm256_mul_epi32(q0, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-1 )))); summ = _mm256_add_epi64(summ, mull); + summ = _mm256_permutevar8x32_epi32(_mm256_srl_epi64(summ, cnt), pack); + _mm_storeu_si128((__m128i*)(void*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(const void*)(data+i)), _mm256_castsi256_si128(summ))); + } + } + else { /* order == 1 */ + __m256i q0; + q0 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[0 ])); + + for(i = 0; i < (int)data_len-3; i+=4) { + __m256i summ; + summ = _mm256_mul_epi32(q0, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-1 )))); + summ = _mm256_permutevar8x32_epi32(_mm256_srl_epi64(summ, cnt), pack); + _mm_storeu_si128((__m128i*)(void*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(const void*)(data+i)), _mm256_castsi256_si128(summ))); + } + } + } + } + for(; i < (int)data_len; i++) { + sum = 0; + switch(order) { + case 12: sum += qlp_coeff[11] * (FLAC__int64)data[i-12]; /* Falls through. */ + case 11: sum += qlp_coeff[10] * (FLAC__int64)data[i-11]; /* Falls through. */ + case 10: sum += qlp_coeff[ 9] * (FLAC__int64)data[i-10]; /* Falls through. */ + case 9: sum += qlp_coeff[ 8] * (FLAC__int64)data[i- 9]; /* Falls through. */ + case 8: sum += qlp_coeff[ 7] * (FLAC__int64)data[i- 8]; /* Falls through. */ + case 7: sum += qlp_coeff[ 6] * (FLAC__int64)data[i- 7]; /* Falls through. */ + case 6: sum += qlp_coeff[ 5] * (FLAC__int64)data[i- 6]; /* Falls through. */ + case 5: sum += qlp_coeff[ 4] * (FLAC__int64)data[i- 5]; /* Falls through. */ + case 4: sum += qlp_coeff[ 3] * (FLAC__int64)data[i- 4]; /* Falls through. */ + case 3: sum += qlp_coeff[ 2] * (FLAC__int64)data[i- 3]; /* Falls through. */ + case 2: sum += qlp_coeff[ 1] * (FLAC__int64)data[i- 2]; /* Falls through. */ + case 1: sum += qlp_coeff[ 0] * (FLAC__int64)data[i- 1]; + } + residual[i] = data[i] - (FLAC__int32)(sum >> lp_quantization); + } + } + else { /* order > 12 */ + for(i = 0; i < (int)data_len; i++) { + sum = 0; + switch(order) { + case 32: sum += qlp_coeff[31] * (FLAC__int64)data[i-32]; /* Falls through. */ + case 31: sum += qlp_coeff[30] * (FLAC__int64)data[i-31]; /* Falls through. */ + case 30: sum += qlp_coeff[29] * (FLAC__int64)data[i-30]; /* Falls through. */ + case 29: sum += qlp_coeff[28] * (FLAC__int64)data[i-29]; /* Falls through. */ + case 28: sum += qlp_coeff[27] * (FLAC__int64)data[i-28]; /* Falls through. */ + case 27: sum += qlp_coeff[26] * (FLAC__int64)data[i-27]; /* Falls through. */ + case 26: sum += qlp_coeff[25] * (FLAC__int64)data[i-26]; /* Falls through. */ + case 25: sum += qlp_coeff[24] * (FLAC__int64)data[i-25]; /* Falls through. */ + case 24: sum += qlp_coeff[23] * (FLAC__int64)data[i-24]; /* Falls through. */ + case 23: sum += qlp_coeff[22] * (FLAC__int64)data[i-23]; /* Falls through. */ + case 22: sum += qlp_coeff[21] * (FLAC__int64)data[i-22]; /* Falls through. */ + case 21: sum += qlp_coeff[20] * (FLAC__int64)data[i-21]; /* Falls through. */ + case 20: sum += qlp_coeff[19] * (FLAC__int64)data[i-20]; /* Falls through. */ + case 19: sum += qlp_coeff[18] * (FLAC__int64)data[i-19]; /* Falls through. */ + case 18: sum += qlp_coeff[17] * (FLAC__int64)data[i-18]; /* Falls through. */ + case 17: sum += qlp_coeff[16] * (FLAC__int64)data[i-17]; /* Falls through. */ + case 16: sum += qlp_coeff[15] * (FLAC__int64)data[i-16]; /* Falls through. */ + case 15: sum += qlp_coeff[14] * (FLAC__int64)data[i-15]; /* Falls through. */ + case 14: sum += qlp_coeff[13] * (FLAC__int64)data[i-14]; /* Falls through. */ + case 13: sum += qlp_coeff[12] * (FLAC__int64)data[i-13]; + sum += qlp_coeff[11] * (FLAC__int64)data[i-12]; + sum += qlp_coeff[10] * (FLAC__int64)data[i-11]; + sum += qlp_coeff[ 9] * (FLAC__int64)data[i-10]; + sum += qlp_coeff[ 8] * (FLAC__int64)data[i- 9]; + sum += qlp_coeff[ 7] * (FLAC__int64)data[i- 8]; + sum += qlp_coeff[ 6] * (FLAC__int64)data[i- 7]; + sum += qlp_coeff[ 5] * (FLAC__int64)data[i- 6]; + sum += qlp_coeff[ 4] * (FLAC__int64)data[i- 5]; + sum += qlp_coeff[ 3] * (FLAC__int64)data[i- 4]; + sum += qlp_coeff[ 2] * (FLAC__int64)data[i- 3]; + sum += qlp_coeff[ 1] * (FLAC__int64)data[i- 2]; + sum += qlp_coeff[ 0] * (FLAC__int64)data[i- 1]; + } + residual[i] = data[i] - (FLAC__int32)(sum >> lp_quantization); + } + } + _mm256_zeroupper(); +} + +#endif /* FLAC__AVX2_SUPPORTED */ +#endif /* (FLAC__CPU_IA32 || FLAC__CPU_X86_64) && FLAC__HAS_X86INTRIN */ +#endif /* FLAC__NO_ASM */ +#endif /* FLAC__INTEGER_ONLY_LIBRARY */ diff --git a/src/libFLAC/lpc_intrin_fma.c b/src/libFLAC/lpc_intrin_fma.c new file mode 100644 index 0000000..c0740a8 --- /dev/null +++ b/src/libFLAC/lpc_intrin_fma.c @@ -0,0 +1,73 @@ +/* libFLAC - Free Lossless Audio Codec library + * Copyright (C) 2022-2023 Xiph.Org Foundation + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * - Neither the name of the Xiph.org Foundation nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include "private/cpu.h" + +#ifndef FLAC__INTEGER_ONLY_LIBRARY +#ifndef FLAC__NO_ASM +#if defined FLAC__CPU_X86_64 && FLAC__HAS_X86INTRIN +#include "private/lpc.h" +#ifdef FLAC__FMA_SUPPORTED + +#include "FLAC/assert.h" + +FLAC__SSE_TARGET("fma") +void FLAC__lpc_compute_autocorrelation_intrin_fma_lag_8(const FLAC__real data[], uint32_t data_len, uint32_t lag, double autoc[]) +{ +#undef MAX_LAG +#define MAX_LAG 8 +#include "deduplication/lpc_compute_autocorrelation_intrin.c" +} + +FLAC__SSE_TARGET("fma") +void FLAC__lpc_compute_autocorrelation_intrin_fma_lag_12(const FLAC__real data[], uint32_t data_len, uint32_t lag, double autoc[]) +{ +#undef MAX_LAG +#define MAX_LAG 12 +#include "deduplication/lpc_compute_autocorrelation_intrin.c" +} +FLAC__SSE_TARGET("fma") +void FLAC__lpc_compute_autocorrelation_intrin_fma_lag_16(const FLAC__real data[], uint32_t data_len, uint32_t lag, double autoc[]) +{ +#undef MAX_LAG +#define MAX_LAG 16 +#include "deduplication/lpc_compute_autocorrelation_intrin.c" + +} + +#endif /* FLAC__FMA_SUPPORTED */ +#endif /* FLAC__CPU_X86_64 && FLAC__HAS_X86INTRIN */ +#endif /* FLAC__NO_ASM */ +#endif /* FLAC__INTEGER_ONLY_LIBRARY */ diff --git a/src/libFLAC/lpc_intrin_neon.c b/src/libFLAC/lpc_intrin_neon.c new file mode 100644 index 0000000..b9945d5 --- /dev/null +++ b/src/libFLAC/lpc_intrin_neon.c @@ -0,0 +1,1273 @@ +/* libFLAC - Free Lossless Audio Codec library + * Copyright (C) 2000-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * - Neither the name of the Xiph.org Foundation nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "private/cpu.h" + +#ifndef FLAC__INTEGER_ONLY_LIBRARY +#ifndef FLAC__NO_ASM +#if defined FLAC__CPU_ARM64 && FLAC__HAS_NEONINTRIN +#include "private/lpc.h" +#include "FLAC/assert.h" +#include "FLAC/format.h" +#include "private/macros.h" +#include <arm_neon.h> + +#if FLAC__HAS_A64NEONINTRIN +void FLAC__lpc_compute_autocorrelation_intrin_neon_lag_14(const FLAC__real data[], uint32_t data_len, uint32_t lag, double autoc[]) +{ +#undef MAX_LAG +#define MAX_LAG 14 +#include "deduplication/lpc_compute_autocorrelation_intrin_neon.c" +} + +void FLAC__lpc_compute_autocorrelation_intrin_neon_lag_10(const FLAC__real data[], uint32_t data_len, uint32_t lag, double autoc[]) +{ +#undef MAX_LAG +#define MAX_LAG 10 +#include "deduplication/lpc_compute_autocorrelation_intrin_neon.c" +} + +void FLAC__lpc_compute_autocorrelation_intrin_neon_lag_8(const FLAC__real data[], uint32_t data_len, uint32_t lag, double autoc[]) +{ +#undef MAX_LAG +#define MAX_LAG 8 +#include "deduplication/lpc_compute_autocorrelation_intrin_neon.c" +} + +#endif /* ifdef FLAC__HAS_A64NEONINTRIN */ + + +#define MUL_32_BIT_LOOP_UNROOL_3(qlp_coeff_vec, lane) \ + summ_0 = vmulq_laneq_s32(tmp_vec[0], qlp_coeff_vec, lane); \ + summ_1 = vmulq_laneq_s32(tmp_vec[4], qlp_coeff_vec, lane); \ + summ_2 = vmulq_laneq_s32(tmp_vec[8], qlp_coeff_vec, lane); + + +#define MACC_32BIT_LOOP_UNROOL_3(tmp_vec_ind, qlp_coeff_vec, lane) \ + summ_0 = vmlaq_laneq_s32(summ_0,tmp_vec[tmp_vec_ind] ,qlp_coeff_vec, lane); \ + summ_1 = vmlaq_laneq_s32(summ_1,tmp_vec[tmp_vec_ind+4] ,qlp_coeff_vec, lane); \ + summ_2 = vmlaq_laneq_s32(summ_2,tmp_vec[tmp_vec_ind+8] ,qlp_coeff_vec, lane); + +void FLAC__lpc_compute_residual_from_qlp_coefficients_intrin_neon(const FLAC__int32 *data, uint32_t data_len, const FLAC__int32 qlp_coeff[], uint32_t order, int lp_quantization, FLAC__int32 residual[]) +{ + int i; + FLAC__int32 sum; + int32x4_t tmp_vec[20]; + + FLAC__ASSERT(order > 0); + FLAC__ASSERT(order <= 32); + + // Using prologue reads is valid as encoder->private_->local_lpc_compute_residual_from_qlp_coefficients(signal+order,....) + if(order <= 12) { + if(order > 8) { + if(order > 10) { + if (order == 12) { + int32x4_t qlp_coeff_0 = {qlp_coeff[0], qlp_coeff[1], qlp_coeff[2], qlp_coeff[3]}; + int32x4_t qlp_coeff_1 = {qlp_coeff[4], qlp_coeff[5], qlp_coeff[6], qlp_coeff[7]}; + int32x4_t qlp_coeff_2 = {qlp_coeff[8], qlp_coeff[9], qlp_coeff[10], qlp_coeff[11]}; + + tmp_vec[0] = vld1q_s32(data - 12); + tmp_vec[1] = vld1q_s32(data - 11); + tmp_vec[2] = vld1q_s32(data - 10); + tmp_vec[3] = vld1q_s32(data - 9); + tmp_vec[4] = vld1q_s32(data - 8); + tmp_vec[5] = vld1q_s32(data - 7); + tmp_vec[6] = vld1q_s32(data - 6); + tmp_vec[7] = vld1q_s32(data - 5); + + for (i = 0; i < (int)data_len - 11; i += 12) + { + int32x4_t summ_0, summ_1, summ_2; + + tmp_vec[8] = vld1q_s32(data + i - 4); + tmp_vec[9] = vld1q_s32(data+i-3); + tmp_vec[10] = vld1q_s32(data+i-2); + tmp_vec[11] = vld1q_s32(data+i-1); + tmp_vec[12] = vld1q_s32(data+i); + tmp_vec[13] = vld1q_s32(data+i+1); + tmp_vec[14] = vld1q_s32(data+i+2); + tmp_vec[15] = vld1q_s32(data+i+3); + tmp_vec[16] = vld1q_s32(data + i + 4); + tmp_vec[17] = vld1q_s32(data + i + 5); + tmp_vec[18] = vld1q_s32(data + i + 6); + tmp_vec[19] = vld1q_s32(data + i + 7); + + MUL_32_BIT_LOOP_UNROOL_3(qlp_coeff_2, 3) + MACC_32BIT_LOOP_UNROOL_3(1, qlp_coeff_2, 2) + MACC_32BIT_LOOP_UNROOL_3(2, qlp_coeff_2, 1) + MACC_32BIT_LOOP_UNROOL_3(3, qlp_coeff_2, 0) + MACC_32BIT_LOOP_UNROOL_3(4, qlp_coeff_1, 3) + MACC_32BIT_LOOP_UNROOL_3(5, qlp_coeff_1, 2) + MACC_32BIT_LOOP_UNROOL_3(6, qlp_coeff_1, 1) + MACC_32BIT_LOOP_UNROOL_3(7, qlp_coeff_1, 0) + MACC_32BIT_LOOP_UNROOL_3(8, qlp_coeff_0, 3) + MACC_32BIT_LOOP_UNROOL_3(9, qlp_coeff_0, 2) + MACC_32BIT_LOOP_UNROOL_3(10, qlp_coeff_0, 1) + MACC_32BIT_LOOP_UNROOL_3(11, qlp_coeff_0, 0) + + vst1q_s32(residual+i + 0, vsubq_s32(vld1q_s32(data+i + 0) , vshlq_s32(summ_0,vdupq_n_s32(-lp_quantization)))); + vst1q_s32(residual+i + 4, vsubq_s32(vld1q_s32(data+i + 4) , vshlq_s32(summ_1,vdupq_n_s32(-lp_quantization)))); + vst1q_s32(residual+i + 8, vsubq_s32(vld1q_s32(data+i + 8) , vshlq_s32(summ_2,vdupq_n_s32(-lp_quantization)))); + + tmp_vec[0] = tmp_vec[12]; + tmp_vec[1] = tmp_vec[13]; + tmp_vec[2] = tmp_vec[14]; + tmp_vec[3] = tmp_vec[15]; + tmp_vec[4] = tmp_vec[16]; + tmp_vec[5] = tmp_vec[17]; + tmp_vec[6] = tmp_vec[18]; + tmp_vec[7] = tmp_vec[19]; + } + } + + else { /* order == 11 */ + int32x4_t qlp_coeff_0 = {qlp_coeff[0], qlp_coeff[1], qlp_coeff[2], qlp_coeff[3]}; + int32x4_t qlp_coeff_1 = {qlp_coeff[4], qlp_coeff[5], qlp_coeff[6], qlp_coeff[7]}; + int32x4_t qlp_coeff_2 = {qlp_coeff[8], qlp_coeff[9], qlp_coeff[10], 0}; + + tmp_vec[0] = vld1q_s32(data - 11); + tmp_vec[1] = vld1q_s32(data - 10); + tmp_vec[2] = vld1q_s32(data - 9); + tmp_vec[3] = vld1q_s32(data - 8); + tmp_vec[4] = vld1q_s32(data - 7); + tmp_vec[5] = vld1q_s32(data - 6); + tmp_vec[6] = vld1q_s32(data - 5); + + for (i = 0; i < (int)data_len - 11; i += 12) + { + int32x4_t summ_0, summ_1, summ_2; + tmp_vec[7] = vld1q_s32(data + i - 4); + tmp_vec[8] = vld1q_s32(data + i - 3); + tmp_vec[9] = vld1q_s32(data + i - 2); + tmp_vec[10] = vld1q_s32(data + i - 1); + tmp_vec[11] = vld1q_s32(data + i - 0); + tmp_vec[12] = vld1q_s32(data + i + 1); + tmp_vec[13] = vld1q_s32(data + i + 2); + tmp_vec[14] = vld1q_s32(data + i + 3); + tmp_vec[15] = vld1q_s32(data + i + 4); + tmp_vec[16] = vld1q_s32(data + i + 5); + tmp_vec[17] = vld1q_s32(data + i + 6); + tmp_vec[18] = vld1q_s32(data + i + 7); + + + MUL_32_BIT_LOOP_UNROOL_3(qlp_coeff_2, 2) + MACC_32BIT_LOOP_UNROOL_3(1, qlp_coeff_2, 1) + MACC_32BIT_LOOP_UNROOL_3(2, qlp_coeff_2, 0) + MACC_32BIT_LOOP_UNROOL_3(3, qlp_coeff_1, 3) + MACC_32BIT_LOOP_UNROOL_3(4, qlp_coeff_1, 2) + MACC_32BIT_LOOP_UNROOL_3(5, qlp_coeff_1, 1) + MACC_32BIT_LOOP_UNROOL_3(6, qlp_coeff_1, 0) + MACC_32BIT_LOOP_UNROOL_3(7, qlp_coeff_0, 3) + MACC_32BIT_LOOP_UNROOL_3(8, qlp_coeff_0, 2) + MACC_32BIT_LOOP_UNROOL_3(9, qlp_coeff_0, 1) + MACC_32BIT_LOOP_UNROOL_3(10, qlp_coeff_0, 0) + + vst1q_s32(residual+i + 0, vsubq_s32(vld1q_s32(data+i + 0) , vshlq_s32(summ_0,vdupq_n_s32(-lp_quantization)))); + vst1q_s32(residual+i + 4, vsubq_s32(vld1q_s32(data+i + 4) , vshlq_s32(summ_1,vdupq_n_s32(-lp_quantization)))); + vst1q_s32(residual+i + 8, vsubq_s32(vld1q_s32(data+i + 8) , vshlq_s32(summ_2,vdupq_n_s32(-lp_quantization)))); + + + tmp_vec[0] = tmp_vec[12]; + tmp_vec[1] = tmp_vec[13]; + tmp_vec[2] = tmp_vec[14]; + tmp_vec[3] = tmp_vec[15]; + tmp_vec[4] = tmp_vec[16]; + tmp_vec[5] = tmp_vec[17]; + tmp_vec[6] = tmp_vec[18]; + } + } + } + else { + if(order == 10) { + int32x4_t qlp_coeff_0 = {qlp_coeff[0], qlp_coeff[1], qlp_coeff[2], qlp_coeff[3]}; + int32x4_t qlp_coeff_1 = {qlp_coeff[4], qlp_coeff[5], qlp_coeff[6], qlp_coeff[7]}; + int32x4_t qlp_coeff_2 = {qlp_coeff[8], qlp_coeff[9], 0, 0}; + + tmp_vec[0] = vld1q_s32(data - 10); + tmp_vec[1] = vld1q_s32(data - 9); + tmp_vec[2] = vld1q_s32(data - 8); + tmp_vec[3] = vld1q_s32(data - 7); + tmp_vec[4] = vld1q_s32(data - 6); + tmp_vec[5] = vld1q_s32(data - 5); + + for (i = 0; i < (int)data_len - 11; i += 12) + { + int32x4_t summ_0, summ_1, summ_2; + tmp_vec[6] = vld1q_s32(data + i - 4); + tmp_vec[7] = vld1q_s32(data + i - 3); + tmp_vec[8] = vld1q_s32(data + i - 2); + tmp_vec[9] = vld1q_s32(data + i - 1); + tmp_vec[10] = vld1q_s32(data + i - 0); + tmp_vec[11] = vld1q_s32(data + i + 1); + tmp_vec[12] = vld1q_s32(data + i + 2); + tmp_vec[13] = vld1q_s32(data + i + 3); + tmp_vec[14] = vld1q_s32(data + i + 4); + tmp_vec[15] = vld1q_s32(data + i + 5); + tmp_vec[16] = vld1q_s32(data + i + 6); + tmp_vec[17] = vld1q_s32(data + i + 7); + + + MUL_32_BIT_LOOP_UNROOL_3(qlp_coeff_2, 1) + MACC_32BIT_LOOP_UNROOL_3(1, qlp_coeff_2, 0) + MACC_32BIT_LOOP_UNROOL_3(2, qlp_coeff_1, 3) + MACC_32BIT_LOOP_UNROOL_3(3, qlp_coeff_1, 2) + MACC_32BIT_LOOP_UNROOL_3(4, qlp_coeff_1, 1) + MACC_32BIT_LOOP_UNROOL_3(5, qlp_coeff_1, 0) + MACC_32BIT_LOOP_UNROOL_3(6, qlp_coeff_0, 3) + MACC_32BIT_LOOP_UNROOL_3(7, qlp_coeff_0, 2) + MACC_32BIT_LOOP_UNROOL_3(8, qlp_coeff_0, 1) + MACC_32BIT_LOOP_UNROOL_3(9, qlp_coeff_0, 0) + + vst1q_s32(residual+i + 0, vsubq_s32(vld1q_s32(data+i + 0) , vshlq_s32(summ_0,vdupq_n_s32(-lp_quantization)))); + vst1q_s32(residual+i + 4, vsubq_s32(vld1q_s32(data+i + 4) , vshlq_s32(summ_1,vdupq_n_s32(-lp_quantization)))); + vst1q_s32(residual+i + 8, vsubq_s32(vld1q_s32(data+i + 8) , vshlq_s32(summ_2,vdupq_n_s32(-lp_quantization)))); + + + tmp_vec[0] = tmp_vec[12]; + tmp_vec[1] = tmp_vec[13]; + tmp_vec[2] = tmp_vec[14]; + tmp_vec[3] = tmp_vec[15]; + tmp_vec[4] = tmp_vec[16]; + tmp_vec[5] = tmp_vec[17]; + } + } + else { /* order == 9 */ + int32x4_t qlp_coeff_0 = {qlp_coeff[0], qlp_coeff[1], qlp_coeff[2], qlp_coeff[3]}; + int32x4_t qlp_coeff_1 = {qlp_coeff[4], qlp_coeff[5], qlp_coeff[6], qlp_coeff[7]}; + int32x4_t qlp_coeff_2 = {qlp_coeff[8], 0, 0, 0}; + + tmp_vec[0] = vld1q_s32(data - 9); + tmp_vec[1] = vld1q_s32(data - 8); + tmp_vec[2] = vld1q_s32(data - 7); + tmp_vec[3] = vld1q_s32(data - 6); + tmp_vec[4] = vld1q_s32(data - 5); + + for (i = 0; i < (int)data_len - 11; i += 12) + { + int32x4_t summ_0, summ_1, summ_2; + tmp_vec[5] = vld1q_s32(data + i - 4); + tmp_vec[6] = vld1q_s32(data + i - 3); + tmp_vec[7] = vld1q_s32(data + i - 2); + tmp_vec[8] = vld1q_s32(data + i - 1); + tmp_vec[9] = vld1q_s32(data + i - 0); + tmp_vec[10] = vld1q_s32(data + i + 1); + tmp_vec[11] = vld1q_s32(data + i + 2); + tmp_vec[12] = vld1q_s32(data + i + 3); + tmp_vec[13] = vld1q_s32(data + i + 4); + tmp_vec[14] = vld1q_s32(data + i + 5); + tmp_vec[15] = vld1q_s32(data + i + 6); + tmp_vec[16] = vld1q_s32(data + i + 7); + + MUL_32_BIT_LOOP_UNROOL_3(qlp_coeff_2, 0) + MACC_32BIT_LOOP_UNROOL_3(1, qlp_coeff_1, 3) + MACC_32BIT_LOOP_UNROOL_3(2, qlp_coeff_1, 2) + MACC_32BIT_LOOP_UNROOL_3(3, qlp_coeff_1, 1) + MACC_32BIT_LOOP_UNROOL_3(4, qlp_coeff_1, 0) + MACC_32BIT_LOOP_UNROOL_3(5, qlp_coeff_0, 3) + MACC_32BIT_LOOP_UNROOL_3(6, qlp_coeff_0, 2) + MACC_32BIT_LOOP_UNROOL_3(7, qlp_coeff_0, 1) + MACC_32BIT_LOOP_UNROOL_3(8, qlp_coeff_0, 0) + + vst1q_s32(residual+i + 0, vsubq_s32(vld1q_s32(data+i + 0) , vshlq_s32(summ_0,vdupq_n_s32(-lp_quantization)))); + vst1q_s32(residual+i + 4, vsubq_s32(vld1q_s32(data+i + 4) , vshlq_s32(summ_1,vdupq_n_s32(-lp_quantization)))); + vst1q_s32(residual+i + 8, vsubq_s32(vld1q_s32(data+i + 8) , vshlq_s32(summ_2,vdupq_n_s32(-lp_quantization)))); + + tmp_vec[0] = tmp_vec[12]; + tmp_vec[1] = tmp_vec[13]; + tmp_vec[2] = tmp_vec[14]; + tmp_vec[3] = tmp_vec[15]; + tmp_vec[4] = tmp_vec[16]; + } + } + } + } + else if(order > 4) { + if(order > 6) { + if(order == 8) { + int32x4_t qlp_coeff_0 = {qlp_coeff[0], qlp_coeff[1], qlp_coeff[2], qlp_coeff[3]}; + int32x4_t qlp_coeff_1 = {qlp_coeff[4], qlp_coeff[5], qlp_coeff[6], qlp_coeff[7]}; + + tmp_vec[0] = vld1q_s32(data - 8); + tmp_vec[1] = vld1q_s32(data - 7); + tmp_vec[2] = vld1q_s32(data - 6); + tmp_vec[3] = vld1q_s32(data - 5); + + for (i = 0; i < (int)data_len - 11; i += 12) + { + int32x4_t summ_0, summ_1, summ_2; + tmp_vec[4] = vld1q_s32(data + i - 4); + tmp_vec[5] = vld1q_s32(data + i - 3); + tmp_vec[6] = vld1q_s32(data + i - 2); + tmp_vec[7] = vld1q_s32(data + i - 1); + tmp_vec[8] = vld1q_s32(data + i - 0); + tmp_vec[9] = vld1q_s32(data + i + 1); + tmp_vec[10] = vld1q_s32(data + i + 2); + tmp_vec[11] = vld1q_s32(data + i + 3); + tmp_vec[12] = vld1q_s32(data + i + 4); + tmp_vec[13] = vld1q_s32(data + i + 5); + tmp_vec[14] = vld1q_s32(data + i + 6); + tmp_vec[15] = vld1q_s32(data + i + 7); + + MUL_32_BIT_LOOP_UNROOL_3(qlp_coeff_1, 3) + MACC_32BIT_LOOP_UNROOL_3(1, qlp_coeff_1, 2) + MACC_32BIT_LOOP_UNROOL_3(2, qlp_coeff_1, 1) + MACC_32BIT_LOOP_UNROOL_3(3, qlp_coeff_1, 0) + MACC_32BIT_LOOP_UNROOL_3(4, qlp_coeff_0, 3) + MACC_32BIT_LOOP_UNROOL_3(5, qlp_coeff_0, 2) + MACC_32BIT_LOOP_UNROOL_3(6, qlp_coeff_0, 1) + MACC_32BIT_LOOP_UNROOL_3(7, qlp_coeff_0, 0) + + vst1q_s32(residual+i + 0, vsubq_s32(vld1q_s32(data+i + 0) , vshlq_s32(summ_0,vdupq_n_s32(-lp_quantization)))); + vst1q_s32(residual+i + 4, vsubq_s32(vld1q_s32(data+i + 4) , vshlq_s32(summ_1,vdupq_n_s32(-lp_quantization)))); + vst1q_s32(residual+i + 8, vsubq_s32(vld1q_s32(data+i + 8) , vshlq_s32(summ_2,vdupq_n_s32(-lp_quantization)))); + + tmp_vec[0] = tmp_vec[12]; + tmp_vec[1] = tmp_vec[13]; + tmp_vec[2] = tmp_vec[14]; + tmp_vec[3] = tmp_vec[15]; + } + } + else { /* order == 7 */ + int32x4_t qlp_coeff_0 = {qlp_coeff[0], qlp_coeff[1], qlp_coeff[2], qlp_coeff[3]}; + int32x4_t qlp_coeff_1 = {qlp_coeff[4], qlp_coeff[5], qlp_coeff[6], 0}; + + tmp_vec[0] = vld1q_s32(data - 7); + tmp_vec[1] = vld1q_s32(data - 6); + tmp_vec[2] = vld1q_s32(data - 5); + + for (i = 0; i < (int)data_len - 11; i += 12) + { + int32x4_t summ_0, summ_1, summ_2; + tmp_vec[3] = vld1q_s32(data + i - 4); + tmp_vec[4] = vld1q_s32(data + i - 3); + tmp_vec[5] = vld1q_s32(data + i - 2); + tmp_vec[6] = vld1q_s32(data + i - 1); + tmp_vec[7] = vld1q_s32(data + i - 0); + tmp_vec[8] = vld1q_s32(data + i + 1); + tmp_vec[9] = vld1q_s32(data + i + 2); + tmp_vec[10] = vld1q_s32(data + i + 3); + tmp_vec[11] = vld1q_s32(data + i + 4); + tmp_vec[12] = vld1q_s32(data + i + 5); + tmp_vec[13] = vld1q_s32(data + i + 6); + tmp_vec[14] = vld1q_s32(data + i + 7); + + MUL_32_BIT_LOOP_UNROOL_3(qlp_coeff_1, 2) + MACC_32BIT_LOOP_UNROOL_3(1, qlp_coeff_1, 1) + MACC_32BIT_LOOP_UNROOL_3(2, qlp_coeff_1, 0) + MACC_32BIT_LOOP_UNROOL_3(3, qlp_coeff_0, 3) + MACC_32BIT_LOOP_UNROOL_3(4, qlp_coeff_0, 2) + MACC_32BIT_LOOP_UNROOL_3(5, qlp_coeff_0, 1) + MACC_32BIT_LOOP_UNROOL_3(6, qlp_coeff_0, 0) + + vst1q_s32(residual+i + 0, vsubq_s32(vld1q_s32(data+i + 0) , vshlq_s32(summ_0,vdupq_n_s32(-lp_quantization)))); + vst1q_s32(residual+i + 4, vsubq_s32(vld1q_s32(data+i + 4) , vshlq_s32(summ_1,vdupq_n_s32(-lp_quantization)))); + vst1q_s32(residual+i + 8, vsubq_s32(vld1q_s32(data+i + 8) , vshlq_s32(summ_2,vdupq_n_s32(-lp_quantization)))); + + tmp_vec[0] = tmp_vec[12]; + tmp_vec[1] = tmp_vec[13]; + tmp_vec[2] = tmp_vec[14]; + } + } + } + else { + if(order == 6) { + int32x4_t qlp_coeff_0 = {qlp_coeff[0], qlp_coeff[1], qlp_coeff[2], qlp_coeff[3]}; + int32x4_t qlp_coeff_1 = {qlp_coeff[4], qlp_coeff[5], 0, 0}; + + tmp_vec[0] = vld1q_s32(data - 6); + tmp_vec[1] = vld1q_s32(data - 5); + + for (i = 0; i < (int)data_len - 11; i += 12) + { + int32x4_t summ_0, summ_1, summ_2; + tmp_vec[2] = vld1q_s32(data + i - 4); + tmp_vec[3] = vld1q_s32(data + i - 3); + tmp_vec[4] = vld1q_s32(data + i - 2); + tmp_vec[5] = vld1q_s32(data + i - 1); + tmp_vec[6] = vld1q_s32(data + i - 0); + tmp_vec[7] = vld1q_s32(data + i + 1); + tmp_vec[8] = vld1q_s32(data + i + 2); + tmp_vec[9] = vld1q_s32(data + i + 3); + tmp_vec[10] = vld1q_s32(data + i + 4); + tmp_vec[11] = vld1q_s32(data + i + 5); + tmp_vec[12] = vld1q_s32(data + i + 6); + tmp_vec[13] = vld1q_s32(data + i + 7); + + MUL_32_BIT_LOOP_UNROOL_3(qlp_coeff_1, 1) + MACC_32BIT_LOOP_UNROOL_3(1, qlp_coeff_1, 0) + MACC_32BIT_LOOP_UNROOL_3(2, qlp_coeff_0, 3) + MACC_32BIT_LOOP_UNROOL_3(3, qlp_coeff_0, 2) + MACC_32BIT_LOOP_UNROOL_3(4, qlp_coeff_0, 1) + MACC_32BIT_LOOP_UNROOL_3(5, qlp_coeff_0, 0) + + vst1q_s32(residual+i + 0, vsubq_s32(vld1q_s32(data+i + 0) , vshlq_s32(summ_0,vdupq_n_s32(-lp_quantization)))); + vst1q_s32(residual+i + 4, vsubq_s32(vld1q_s32(data+i + 4) , vshlq_s32(summ_1,vdupq_n_s32(-lp_quantization)))); + vst1q_s32(residual+i + 8, vsubq_s32(vld1q_s32(data+i + 8) , vshlq_s32(summ_2,vdupq_n_s32(-lp_quantization)))); + + tmp_vec[0] = tmp_vec[12]; + tmp_vec[1] = tmp_vec[13]; + } + } + else { /* order == 5 */ + int32x4_t qlp_coeff_0 = {qlp_coeff[0], qlp_coeff[1], qlp_coeff[2], qlp_coeff[3]}; + int32x4_t qlp_coeff_1 = {qlp_coeff[4], 0, 0, 0}; + + tmp_vec[0] = vld1q_s32(data - 5); + + for (i = 0; i < (int)data_len - 11; i += 12) + { + int32x4_t summ_0, summ_1, summ_2; + + tmp_vec[1] = vld1q_s32(data + i - 4); + tmp_vec[2] = vld1q_s32(data + i - 3); + tmp_vec[3] = vld1q_s32(data + i - 2); + tmp_vec[4] = vld1q_s32(data + i - 1); + tmp_vec[5] = vld1q_s32(data + i - 0); + tmp_vec[6] = vld1q_s32(data + i + 1); + tmp_vec[7] = vld1q_s32(data + i + 2); + tmp_vec[8] = vld1q_s32(data + i + 3); + tmp_vec[9] = vld1q_s32(data + i + 4); + tmp_vec[10] = vld1q_s32(data + i + 5); + tmp_vec[11] = vld1q_s32(data + i + 6); + tmp_vec[12] = vld1q_s32(data + i + 7); + + MUL_32_BIT_LOOP_UNROOL_3(qlp_coeff_1, 0) + MACC_32BIT_LOOP_UNROOL_3(1, qlp_coeff_0, 3) + MACC_32BIT_LOOP_UNROOL_3(2, qlp_coeff_0, 2) + MACC_32BIT_LOOP_UNROOL_3(3, qlp_coeff_0, 1) + MACC_32BIT_LOOP_UNROOL_3(4, qlp_coeff_0, 0) + + vst1q_s32(residual+i + 0, vsubq_s32(vld1q_s32(data+i + 0) , vshlq_s32(summ_0,vdupq_n_s32(-lp_quantization)))); + vst1q_s32(residual+i + 4, vsubq_s32(vld1q_s32(data+i + 4) , vshlq_s32(summ_1,vdupq_n_s32(-lp_quantization)))); + vst1q_s32(residual+i + 8, vsubq_s32(vld1q_s32(data+i + 8) , vshlq_s32(summ_2,vdupq_n_s32(-lp_quantization)))); + + tmp_vec[0] = tmp_vec[12]; + } + } + } + } + else { + if(order > 2) { + if(order == 4) { + int32x4_t qlp_coeff_0 = {qlp_coeff[0], qlp_coeff[1], qlp_coeff[2], qlp_coeff[3]}; + + for (i = 0; i < (int)data_len - 11; i += 12) + { + int32x4_t summ_0, summ_1, summ_2; + tmp_vec[0] = vld1q_s32(data + i - 4); + tmp_vec[1] = vld1q_s32(data + i - 3); + tmp_vec[2] = vld1q_s32(data + i - 2); + tmp_vec[3] = vld1q_s32(data + i - 1); + tmp_vec[4] = vld1q_s32(data + i - 0); + tmp_vec[5] = vld1q_s32(data + i + 1); + tmp_vec[6] = vld1q_s32(data + i + 2); + tmp_vec[7] = vld1q_s32(data + i + 3); + tmp_vec[8] = vld1q_s32(data + i + 4); + tmp_vec[9] = vld1q_s32(data + i + 5); + tmp_vec[10] = vld1q_s32(data + i + 6); + tmp_vec[11] = vld1q_s32(data + i + 7); + + MUL_32_BIT_LOOP_UNROOL_3(qlp_coeff_0, 3) + MACC_32BIT_LOOP_UNROOL_3(1, qlp_coeff_0, 2) + MACC_32BIT_LOOP_UNROOL_3(2, qlp_coeff_0, 1) + MACC_32BIT_LOOP_UNROOL_3(3, qlp_coeff_0, 0) + + vst1q_s32(residual+i + 0, vsubq_s32(vld1q_s32(data+i + 0) , vshlq_s32(summ_0,vdupq_n_s32(-lp_quantization)))); + vst1q_s32(residual+i + 4, vsubq_s32(vld1q_s32(data+i + 4) , vshlq_s32(summ_1,vdupq_n_s32(-lp_quantization)))); + vst1q_s32(residual+i + 8, vsubq_s32(vld1q_s32(data+i + 8) , vshlq_s32(summ_2,vdupq_n_s32(-lp_quantization)))); + } + } + else { /* order == 3 */ + int32x4_t qlp_coeff_0 = {qlp_coeff[0], qlp_coeff[1], qlp_coeff[2], 0}; + + for (i = 0; i < (int)data_len - 11; i += 12) + { + int32x4_t summ_0, summ_1, summ_2; + tmp_vec[0] = vld1q_s32(data + i - 3); + tmp_vec[1] = vld1q_s32(data + i - 2); + tmp_vec[2] = vld1q_s32(data + i - 1); + tmp_vec[4] = vld1q_s32(data + i + 1); + tmp_vec[5] = vld1q_s32(data + i + 2); + tmp_vec[6] = vld1q_s32(data + i + 3); + tmp_vec[8] = vld1q_s32(data + i + 5); + tmp_vec[9] = vld1q_s32(data + i + 6); + tmp_vec[10] = vld1q_s32(data + i + 7); + + MUL_32_BIT_LOOP_UNROOL_3(qlp_coeff_0, 2) + MACC_32BIT_LOOP_UNROOL_3(1, qlp_coeff_0, 1) + MACC_32BIT_LOOP_UNROOL_3(2, qlp_coeff_0, 0) + + vst1q_s32(residual+i + 0, vsubq_s32(vld1q_s32(data+i + 0) , vshlq_s32(summ_0,vdupq_n_s32(-lp_quantization)))); + vst1q_s32(residual+i + 4, vsubq_s32(vld1q_s32(data+i + 4) , vshlq_s32(summ_1,vdupq_n_s32(-lp_quantization)))); + vst1q_s32(residual+i + 8, vsubq_s32(vld1q_s32(data+i + 8) , vshlq_s32(summ_2,vdupq_n_s32(-lp_quantization)))); + } + } + } + else { + if(order == 2) { + int32x4_t qlp_coeff_0 = {qlp_coeff[0], qlp_coeff[1], 0, 0}; + + for (i = 0; i < (int)data_len - 11; i += 12) + { + int32x4_t summ_0, summ_1, summ_2; + tmp_vec[0] = vld1q_s32(data + i - 2); + tmp_vec[1] = vld1q_s32(data + i - 1); + tmp_vec[4] = vld1q_s32(data + i + 2); + tmp_vec[5] = vld1q_s32(data + i + 3); + tmp_vec[8] = vld1q_s32(data + i + 6); + tmp_vec[9] = vld1q_s32(data + i + 7); + + MUL_32_BIT_LOOP_UNROOL_3(qlp_coeff_0, 1) + MACC_32BIT_LOOP_UNROOL_3(1, qlp_coeff_0, 0) + + vst1q_s32(residual+i + 0, vsubq_s32(vld1q_s32(data+i + 0) , vshlq_s32(summ_0,vdupq_n_s32(-lp_quantization)))); + vst1q_s32(residual+i + 4, vsubq_s32(vld1q_s32(data+i + 4) , vshlq_s32(summ_1,vdupq_n_s32(-lp_quantization)))); + vst1q_s32(residual+i + 8, vsubq_s32(vld1q_s32(data+i + 8) , vshlq_s32(summ_2,vdupq_n_s32(-lp_quantization)))); + } + } + else { /* order == 1 */ + int32x4_t qlp_coeff_0 = vdupq_n_s32(qlp_coeff[0]); + + for (i = 0; i < (int)data_len - 11; i += 12) + { + int32x4_t summ_0, summ_1, summ_2; + tmp_vec[0] = vld1q_s32(data + i - 1); + tmp_vec[4] = vld1q_s32(data + i + 3); + tmp_vec[8] = vld1q_s32(data + i + 7); + + summ_0 = vmulq_s32(tmp_vec[0], qlp_coeff_0); + summ_1 = vmulq_s32(tmp_vec[4], qlp_coeff_0); + summ_2 = vmulq_s32(tmp_vec[8], qlp_coeff_0); + + vst1q_s32(residual+i + 0, vsubq_s32(vld1q_s32(data+i + 0) , vshlq_s32(summ_0,vdupq_n_s32(-lp_quantization)))); + vst1q_s32(residual+i + 4, vsubq_s32(vld1q_s32(data+i + 4) , vshlq_s32(summ_1,vdupq_n_s32(-lp_quantization)))); + vst1q_s32(residual+i + 8, vsubq_s32(vld1q_s32(data+i + 8) , vshlq_s32(summ_2,vdupq_n_s32(-lp_quantization)))); + } + } + } + } + for(; i < (int)data_len; i++) { + sum = 0; + switch(order) { + case 12: sum += qlp_coeff[11] * data[i-12]; /* Falls through. */ + case 11: sum += qlp_coeff[10] * data[i-11]; /* Falls through. */ + case 10: sum += qlp_coeff[ 9] * data[i-10]; /* Falls through. */ + case 9: sum += qlp_coeff[ 8] * data[i- 9]; /* Falls through. */ + case 8: sum += qlp_coeff[ 7] * data[i- 8]; /* Falls through. */ + case 7: sum += qlp_coeff[ 6] * data[i- 7]; /* Falls through. */ + case 6: sum += qlp_coeff[ 5] * data[i- 6]; /* Falls through. */ + case 5: sum += qlp_coeff[ 4] * data[i- 5]; /* Falls through. */ + case 4: sum += qlp_coeff[ 3] * data[i- 4]; /* Falls through. */ + case 3: sum += qlp_coeff[ 2] * data[i- 3]; /* Falls through. */ + case 2: sum += qlp_coeff[ 1] * data[i- 2]; /* Falls through. */ + case 1: sum += qlp_coeff[ 0] * data[i- 1]; + } + residual[i] = data[i] - (sum >> lp_quantization); + } + } + else { /* order > 12 */ + for(i = 0; i < (int)data_len; i++) { + sum = 0; + switch(order) { + case 32: sum += qlp_coeff[31] * data[i-32]; /* Falls through. */ + case 31: sum += qlp_coeff[30] * data[i-31]; /* Falls through. */ + case 30: sum += qlp_coeff[29] * data[i-30]; /* Falls through. */ + case 29: sum += qlp_coeff[28] * data[i-29]; /* Falls through. */ + case 28: sum += qlp_coeff[27] * data[i-28]; /* Falls through. */ + case 27: sum += qlp_coeff[26] * data[i-27]; /* Falls through. */ + case 26: sum += qlp_coeff[25] * data[i-26]; /* Falls through. */ + case 25: sum += qlp_coeff[24] * data[i-25]; /* Falls through. */ + case 24: sum += qlp_coeff[23] * data[i-24]; /* Falls through. */ + case 23: sum += qlp_coeff[22] * data[i-23]; /* Falls through. */ + case 22: sum += qlp_coeff[21] * data[i-22]; /* Falls through. */ + case 21: sum += qlp_coeff[20] * data[i-21]; /* Falls through. */ + case 20: sum += qlp_coeff[19] * data[i-20]; /* Falls through. */ + case 19: sum += qlp_coeff[18] * data[i-19]; /* Falls through. */ + case 18: sum += qlp_coeff[17] * data[i-18]; /* Falls through. */ + case 17: sum += qlp_coeff[16] * data[i-17]; /* Falls through. */ + case 16: sum += qlp_coeff[15] * data[i-16]; /* Falls through. */ + case 15: sum += qlp_coeff[14] * data[i-15]; /* Falls through. */ + case 14: sum += qlp_coeff[13] * data[i-14]; /* Falls through. */ + case 13: sum += qlp_coeff[12] * data[i-13]; + sum += qlp_coeff[11] * data[i-12]; + sum += qlp_coeff[10] * data[i-11]; + sum += qlp_coeff[ 9] * data[i-10]; + sum += qlp_coeff[ 8] * data[i- 9]; + sum += qlp_coeff[ 7] * data[i- 8]; + sum += qlp_coeff[ 6] * data[i- 7]; + sum += qlp_coeff[ 5] * data[i- 6]; + sum += qlp_coeff[ 4] * data[i- 5]; + sum += qlp_coeff[ 3] * data[i- 4]; + sum += qlp_coeff[ 2] * data[i- 3]; + sum += qlp_coeff[ 1] * data[i- 2]; + sum += qlp_coeff[ 0] * data[i- 1]; + } + residual[i] = data[i] - (sum >> lp_quantization); + } + } +} + + + +#define MUL_64_BIT_LOOP_UNROOL_3(qlp_coeff_vec, lane) \ + summ_l_0 = vmull_laneq_s32(vget_low_s32(tmp_vec[0]),qlp_coeff_vec, lane); \ + summ_h_0 = vmull_high_laneq_s32(tmp_vec[0], qlp_coeff_vec, lane);\ + summ_l_1 = vmull_laneq_s32(vget_low_s32(tmp_vec[4]),qlp_coeff_vec, lane); \ + summ_h_1 = vmull_high_laneq_s32(tmp_vec[4], qlp_coeff_vec, lane);\ + summ_l_2 = vmull_laneq_s32(vget_low_s32(tmp_vec[8]),qlp_coeff_vec, lane);\ + summ_h_2 = vmull_high_laneq_s32(tmp_vec[8], qlp_coeff_vec, lane); + + +#define MACC_64_BIT_LOOP_UNROOL_3(tmp_vec_ind, qlp_coeff_vec, lane) \ + summ_l_0 = vmlal_laneq_s32(summ_l_0,vget_low_s32(tmp_vec[tmp_vec_ind]),qlp_coeff_vec, lane); \ + summ_h_0 = vmlal_high_laneq_s32(summ_h_0, tmp_vec[tmp_vec_ind], qlp_coeff_vec, lane); \ + summ_l_1 = vmlal_laneq_s32(summ_l_1, vget_low_s32(tmp_vec[tmp_vec_ind+4]),qlp_coeff_vec, lane); \ + summ_h_1 = vmlal_high_laneq_s32(summ_h_1, tmp_vec[tmp_vec_ind+4], qlp_coeff_vec, lane); \ + summ_l_2 = vmlal_laneq_s32(summ_l_2, vget_low_s32(tmp_vec[tmp_vec_ind+8]),qlp_coeff_vec, lane);\ + summ_h_2 = vmlal_high_laneq_s32(summ_h_2,tmp_vec[tmp_vec_ind+8], qlp_coeff_vec, lane); + +#define SHIFT_SUMS_64BITS_AND_STORE_SUB() \ + res0 = vuzp1q_s32(vreinterpretq_s32_s64(vshlq_s64(summ_l_0,lp_quantization_vec)), vreinterpretq_s32_s64(vshlq_s64(summ_h_0,lp_quantization_vec))); \ + res1 = vuzp1q_s32(vreinterpretq_s32_s64(vshlq_s64(summ_l_1,lp_quantization_vec)), vreinterpretq_s32_s64(vshlq_s64(summ_h_1,lp_quantization_vec))); \ + res2 = vuzp1q_s32(vreinterpretq_s32_s64(vshlq_s64(summ_l_2,lp_quantization_vec)), vreinterpretq_s32_s64(vshlq_s64(summ_h_2,lp_quantization_vec))); \ + vst1q_s32(residual+i+0, vsubq_s32(vld1q_s32(data+i+0), res0));\ + vst1q_s32(residual+i+4, vsubq_s32(vld1q_s32(data+i+4), res1));\ + vst1q_s32(residual+i+8, vsubq_s32(vld1q_s32(data+i+8), res2)); + +void FLAC__lpc_compute_residual_from_qlp_coefficients_wide_intrin_neon(const FLAC__int32 *data, uint32_t data_len, const FLAC__int32 qlp_coeff[], uint32_t order, int lp_quantization, FLAC__int32 residual[]) { + int i; + FLAC__int64 sum; + + int32x4_t tmp_vec[20]; + int32x4_t res0, res1, res2; + int64x2_t lp_quantization_vec = vdupq_n_s64(-lp_quantization); + + FLAC__ASSERT(order > 0); + FLAC__ASSERT(order <= 32); + + // Using prologue reads is valid as encoder->private_->local_lpc_compute_residual_from_qlp_coefficients_64bit(signal+order,....) + if(order <= 12) { + if(order > 8) { + if(order > 10) { + if(order == 12) { + int32x4_t qlp_coeff_0 = {qlp_coeff[0], qlp_coeff[1], qlp_coeff[2], qlp_coeff[3]}; + int32x4_t qlp_coeff_1 = {qlp_coeff[4],qlp_coeff[5],qlp_coeff[6],qlp_coeff[7]}; + int32x4_t qlp_coeff_2 = {qlp_coeff[8],qlp_coeff[9],qlp_coeff[10],qlp_coeff[11]}; + + tmp_vec[0] = vld1q_s32(data - 12); + tmp_vec[1] = vld1q_s32(data - 11); + tmp_vec[2] = vld1q_s32(data - 10); + tmp_vec[3] = vld1q_s32(data - 9); + tmp_vec[4] = vld1q_s32(data - 8); + tmp_vec[5] = vld1q_s32(data - 7); + tmp_vec[6] = vld1q_s32(data - 6); + tmp_vec[7] = vld1q_s32(data - 5); + + for (i = 0; i < (int)data_len - 11; i += 12) + { + int64x2_t summ_l_0, summ_h_0, summ_l_1, summ_h_1, summ_l_2, summ_h_2; + + tmp_vec[8] = vld1q_s32(data+i-4); + tmp_vec[9] = vld1q_s32(data+i-3); + tmp_vec[10] = vld1q_s32(data+i-2); + tmp_vec[11] = vld1q_s32(data+i-1); + tmp_vec[12] = vld1q_s32(data+i); + tmp_vec[13] = vld1q_s32(data+i+1); + tmp_vec[14] = vld1q_s32(data+i+2); + tmp_vec[15] = vld1q_s32(data+i+3); + tmp_vec[16] = vld1q_s32(data + i + 4); + tmp_vec[17] = vld1q_s32(data + i + 5); + tmp_vec[18] = vld1q_s32(data + i + 6); + tmp_vec[19] = vld1q_s32(data + i + 7); + + MUL_64_BIT_LOOP_UNROOL_3(qlp_coeff_2, 3) + MACC_64_BIT_LOOP_UNROOL_3(1, qlp_coeff_2, 2) + MACC_64_BIT_LOOP_UNROOL_3(2, qlp_coeff_2, 1) + MACC_64_BIT_LOOP_UNROOL_3(3, qlp_coeff_2, 0) + MACC_64_BIT_LOOP_UNROOL_3(4, qlp_coeff_1, 3) + MACC_64_BIT_LOOP_UNROOL_3(5, qlp_coeff_1, 2) + MACC_64_BIT_LOOP_UNROOL_3(6, qlp_coeff_1, 1) + MACC_64_BIT_LOOP_UNROOL_3(7, qlp_coeff_1, 0) + MACC_64_BIT_LOOP_UNROOL_3(8, qlp_coeff_0, 3) + MACC_64_BIT_LOOP_UNROOL_3(9, qlp_coeff_0, 2) + MACC_64_BIT_LOOP_UNROOL_3(10,qlp_coeff_0, 1) + MACC_64_BIT_LOOP_UNROOL_3(11,qlp_coeff_0, 0) + + SHIFT_SUMS_64BITS_AND_STORE_SUB() + + tmp_vec[0] = tmp_vec[12]; + tmp_vec[1] = tmp_vec[13]; + tmp_vec[2] = tmp_vec[14]; + tmp_vec[3] = tmp_vec[15]; + tmp_vec[4] = tmp_vec[16]; + tmp_vec[5] = tmp_vec[17]; + tmp_vec[6] = tmp_vec[18]; + tmp_vec[7] = tmp_vec[19]; + } + } + else { /* order == 11 */ + int32x4_t qlp_coeff_0 = {qlp_coeff[0], qlp_coeff[1], qlp_coeff[2], qlp_coeff[3]}; + int32x4_t qlp_coeff_1 = {qlp_coeff[4],qlp_coeff[5],qlp_coeff[6],qlp_coeff[7]}; + int32x4_t qlp_coeff_2 = {qlp_coeff[8],qlp_coeff[9],qlp_coeff[10],0}; + + tmp_vec[0] = vld1q_s32(data - 11); + tmp_vec[1] = vld1q_s32(data - 10); + tmp_vec[2] = vld1q_s32(data - 9); + tmp_vec[3] = vld1q_s32(data - 8); + tmp_vec[4] = vld1q_s32(data - 7); + tmp_vec[5] = vld1q_s32(data - 6); + tmp_vec[6] = vld1q_s32(data - 5); + + for (i = 0; i < (int)data_len - 11; i += 12) + { + int64x2_t summ_l_0, summ_h_0, summ_l_1, summ_h_1, summ_l_2, summ_h_2; + + tmp_vec[7] = vld1q_s32(data+i-4); + tmp_vec[8] = vld1q_s32(data+i-3); + tmp_vec[9] = vld1q_s32(data+i-2); + tmp_vec[10] = vld1q_s32(data+i-1); + tmp_vec[11] = vld1q_s32(data+i); + tmp_vec[12] = vld1q_s32(data+i+1); + tmp_vec[13] = vld1q_s32(data+i+2); + tmp_vec[14] = vld1q_s32(data+i+3); + tmp_vec[15] = vld1q_s32(data + i + 4); + tmp_vec[16] = vld1q_s32(data + i + 5); + tmp_vec[17] = vld1q_s32(data + i + 6); + tmp_vec[18] = vld1q_s32(data + i + 7); + + MUL_64_BIT_LOOP_UNROOL_3(qlp_coeff_2, 2) + MACC_64_BIT_LOOP_UNROOL_3(1, qlp_coeff_2, 1) + MACC_64_BIT_LOOP_UNROOL_3(2, qlp_coeff_2, 0) + MACC_64_BIT_LOOP_UNROOL_3(3, qlp_coeff_1, 3) + MACC_64_BIT_LOOP_UNROOL_3(4, qlp_coeff_1, 2) + MACC_64_BIT_LOOP_UNROOL_3(5, qlp_coeff_1, 1) + MACC_64_BIT_LOOP_UNROOL_3(6, qlp_coeff_1, 0) + MACC_64_BIT_LOOP_UNROOL_3(7, qlp_coeff_0, 3) + MACC_64_BIT_LOOP_UNROOL_3(8, qlp_coeff_0, 2) + MACC_64_BIT_LOOP_UNROOL_3(9, qlp_coeff_0, 1) + MACC_64_BIT_LOOP_UNROOL_3(10,qlp_coeff_0, 0) + + SHIFT_SUMS_64BITS_AND_STORE_SUB() + + tmp_vec[0] = tmp_vec[12]; + tmp_vec[1] = tmp_vec[13]; + tmp_vec[2] = tmp_vec[14]; + tmp_vec[3] = tmp_vec[15]; + tmp_vec[4] = tmp_vec[16]; + tmp_vec[5] = tmp_vec[17]; + tmp_vec[6] = tmp_vec[18]; + } + } + } + else + { + if (order == 10) { + int32x4_t qlp_coeff_0 = {qlp_coeff[0], qlp_coeff[1], qlp_coeff[2], qlp_coeff[3]}; + int32x4_t qlp_coeff_1 = {qlp_coeff[4], qlp_coeff[5], qlp_coeff[6], qlp_coeff[7]}; + int32x4_t qlp_coeff_2 = {qlp_coeff[8], qlp_coeff[9], 0, 0}; + + tmp_vec[0] = vld1q_s32(data - 10); + tmp_vec[1] = vld1q_s32(data - 9); + tmp_vec[2] = vld1q_s32(data - 8); + tmp_vec[3] = vld1q_s32(data - 7); + tmp_vec[4] = vld1q_s32(data - 6); + tmp_vec[5] = vld1q_s32(data - 5); + + + for (i = 0; i < (int)data_len - 11; i += 12) + { + int64x2_t summ_l_0, summ_h_0, summ_l_1, summ_h_1, summ_l_2, summ_h_2; + + tmp_vec[6] = vld1q_s32(data + i - 4); + tmp_vec[7] = vld1q_s32(data + i - 3); + tmp_vec[8] = vld1q_s32(data + i - 2); + tmp_vec[9] = vld1q_s32(data + i - 1); + tmp_vec[10] = vld1q_s32(data + i - 0); + tmp_vec[11] = vld1q_s32(data + i + 1); + tmp_vec[12] = vld1q_s32(data + i + 2); + tmp_vec[13] = vld1q_s32(data + i + 3); + tmp_vec[14] = vld1q_s32(data + i + 4); + tmp_vec[15] = vld1q_s32(data + i + 5); + tmp_vec[16] = vld1q_s32(data + i + 6); + tmp_vec[17] = vld1q_s32(data + i + 7); + + MUL_64_BIT_LOOP_UNROOL_3(qlp_coeff_2, 1) + MACC_64_BIT_LOOP_UNROOL_3(1, qlp_coeff_2, 0) + MACC_64_BIT_LOOP_UNROOL_3(2, qlp_coeff_1, 3) + MACC_64_BIT_LOOP_UNROOL_3(3, qlp_coeff_1, 2) + MACC_64_BIT_LOOP_UNROOL_3(4, qlp_coeff_1, 1) + MACC_64_BIT_LOOP_UNROOL_3(5, qlp_coeff_1, 0) + MACC_64_BIT_LOOP_UNROOL_3(6, qlp_coeff_0, 3) + MACC_64_BIT_LOOP_UNROOL_3(7, qlp_coeff_0, 2) + MACC_64_BIT_LOOP_UNROOL_3(8, qlp_coeff_0, 1) + MACC_64_BIT_LOOP_UNROOL_3(9, qlp_coeff_0, 0) + + SHIFT_SUMS_64BITS_AND_STORE_SUB() + + tmp_vec[0] = tmp_vec[12]; + tmp_vec[1] = tmp_vec[13]; + tmp_vec[2] = tmp_vec[14]; + tmp_vec[3] = tmp_vec[15]; + tmp_vec[4] = tmp_vec[16]; + tmp_vec[5] = tmp_vec[17]; + } + } + + else /* order == 9 */ { + int32x4_t qlp_coeff_0 = {qlp_coeff[0], qlp_coeff[1], qlp_coeff[2], qlp_coeff[3]}; + int32x4_t qlp_coeff_1 = {qlp_coeff[4], qlp_coeff[5], qlp_coeff[6], qlp_coeff[7]}; + int32x4_t qlp_coeff_2 = {qlp_coeff[8], 0, 0, 0}; + + tmp_vec[0] = vld1q_s32(data - 9); + tmp_vec[1] = vld1q_s32(data - 8); + tmp_vec[2] = vld1q_s32(data - 7); + tmp_vec[3] = vld1q_s32(data - 6); + tmp_vec[4] = vld1q_s32(data - 5); + + for (i = 0; i < (int)data_len - 11; i += 12) + { + int64x2_t summ_l_0, summ_h_0, summ_l_1, summ_h_1, summ_l_2, summ_h_2; + + tmp_vec[5] = vld1q_s32(data + i - 4); + tmp_vec[6] = vld1q_s32(data + i - 3); + tmp_vec[7] = vld1q_s32(data + i - 2); + tmp_vec[8] = vld1q_s32(data + i - 1); + tmp_vec[9] = vld1q_s32(data + i - 0); + tmp_vec[10] = vld1q_s32(data + i + 1); + tmp_vec[11] = vld1q_s32(data + i + 2); + tmp_vec[12] = vld1q_s32(data + i + 3); + tmp_vec[13] = vld1q_s32(data + i + 4); + tmp_vec[14] = vld1q_s32(data + i + 5); + tmp_vec[15] = vld1q_s32(data + i + 6); + tmp_vec[16] = vld1q_s32(data + i + 7); + + MUL_64_BIT_LOOP_UNROOL_3(qlp_coeff_2, 0) + MACC_64_BIT_LOOP_UNROOL_3(1, qlp_coeff_1, 3) + MACC_64_BIT_LOOP_UNROOL_3(2, qlp_coeff_1, 2) + MACC_64_BIT_LOOP_UNROOL_3(3, qlp_coeff_1, 1) + MACC_64_BIT_LOOP_UNROOL_3(4, qlp_coeff_1, 0) + MACC_64_BIT_LOOP_UNROOL_3(5, qlp_coeff_0, 3) + MACC_64_BIT_LOOP_UNROOL_3(6, qlp_coeff_0, 2) + MACC_64_BIT_LOOP_UNROOL_3(7, qlp_coeff_0, 1) + MACC_64_BIT_LOOP_UNROOL_3(8, qlp_coeff_0, 0) + + SHIFT_SUMS_64BITS_AND_STORE_SUB() + + tmp_vec[0] = tmp_vec[12]; + tmp_vec[1] = tmp_vec[13]; + tmp_vec[2] = tmp_vec[14]; + tmp_vec[3] = tmp_vec[15]; + tmp_vec[4] = tmp_vec[16]; + } + } + } + } + else if (order > 4) + { + if (order > 6) + { + if (order == 8) + { + int32x4_t qlp_coeff_0 = {qlp_coeff[0], qlp_coeff[1], qlp_coeff[2], qlp_coeff[3]}; + int32x4_t qlp_coeff_1 = {qlp_coeff[4], qlp_coeff[5], qlp_coeff[6], qlp_coeff[7]}; + + tmp_vec[0] = vld1q_s32(data - 8); + tmp_vec[1] = vld1q_s32(data - 7); + tmp_vec[2] = vld1q_s32(data - 6); + tmp_vec[3] = vld1q_s32(data - 5); + + for (i = 0; i < (int)data_len - 11; i += 12) + { + int64x2_t summ_l_0, summ_h_0, summ_l_1, summ_h_1, summ_l_2, summ_h_2; + + tmp_vec[4] = vld1q_s32(data + i - 4); + tmp_vec[5] = vld1q_s32(data + i - 3); + tmp_vec[6] = vld1q_s32(data + i - 2); + tmp_vec[7] = vld1q_s32(data + i - 1); + tmp_vec[8] = vld1q_s32(data + i - 0); + tmp_vec[9] = vld1q_s32(data + i + 1); + tmp_vec[10] = vld1q_s32(data + i + 2); + tmp_vec[11] = vld1q_s32(data + i + 3); + tmp_vec[12] = vld1q_s32(data + i + 4); + tmp_vec[13] = vld1q_s32(data + i + 5); + tmp_vec[14] = vld1q_s32(data + i + 6); + tmp_vec[15] = vld1q_s32(data + i + 7); + + + MUL_64_BIT_LOOP_UNROOL_3(qlp_coeff_1, 3) + MACC_64_BIT_LOOP_UNROOL_3(1, qlp_coeff_1, 2) + MACC_64_BIT_LOOP_UNROOL_3(2, qlp_coeff_1, 1) + MACC_64_BIT_LOOP_UNROOL_3(3, qlp_coeff_1, 0) + MACC_64_BIT_LOOP_UNROOL_3(4, qlp_coeff_0, 3) + MACC_64_BIT_LOOP_UNROOL_3(5, qlp_coeff_0, 2) + MACC_64_BIT_LOOP_UNROOL_3(6, qlp_coeff_0, 1) + MACC_64_BIT_LOOP_UNROOL_3(7, qlp_coeff_0, 0) + + SHIFT_SUMS_64BITS_AND_STORE_SUB() + + tmp_vec[0] = tmp_vec[12]; + tmp_vec[1] = tmp_vec[13]; + tmp_vec[2] = tmp_vec[14]; + tmp_vec[3] = tmp_vec[15]; + } + } + else /* order == 7 */ + { + int32x4_t qlp_coeff_0 = {qlp_coeff[0], qlp_coeff[1], qlp_coeff[2], qlp_coeff[3]}; + int32x4_t qlp_coeff_1 = {qlp_coeff[4], qlp_coeff[5], qlp_coeff[6], 0}; + + tmp_vec[0] = vld1q_s32(data - 7); + tmp_vec[1] = vld1q_s32(data - 6); + tmp_vec[2] = vld1q_s32(data - 5); + + + for (i = 0; i < (int)data_len - 11; i += 12) + { + int64x2_t summ_l_0, summ_h_0, summ_l_1, summ_h_1, summ_l_2, summ_h_2; + tmp_vec[3] = vld1q_s32(data +i - 4); + tmp_vec[4] = vld1q_s32(data + i - 3); + tmp_vec[5] = vld1q_s32(data + i - 2); + tmp_vec[6] = vld1q_s32(data + i - 1); + tmp_vec[7] = vld1q_s32(data + i - 0); + tmp_vec[8] = vld1q_s32(data + i + 1); + tmp_vec[9] = vld1q_s32(data + i + 2); + tmp_vec[10] = vld1q_s32(data + i + 3); + tmp_vec[11] = vld1q_s32(data + i + 4); + tmp_vec[12] = vld1q_s32(data + i + 5); + tmp_vec[13] = vld1q_s32(data + i + 6); + tmp_vec[14] = vld1q_s32(data + i + 7); + + + MUL_64_BIT_LOOP_UNROOL_3(qlp_coeff_1, 2) + MACC_64_BIT_LOOP_UNROOL_3(1, qlp_coeff_1, 1) + MACC_64_BIT_LOOP_UNROOL_3(2, qlp_coeff_1, 0) + MACC_64_BIT_LOOP_UNROOL_3(3, qlp_coeff_0, 3) + MACC_64_BIT_LOOP_UNROOL_3(4, qlp_coeff_0, 2) + MACC_64_BIT_LOOP_UNROOL_3(5, qlp_coeff_0, 1) + MACC_64_BIT_LOOP_UNROOL_3(6, qlp_coeff_0, 0) + + SHIFT_SUMS_64BITS_AND_STORE_SUB() + + tmp_vec[0] = tmp_vec[12]; + tmp_vec[1] = tmp_vec[13]; + tmp_vec[2] = tmp_vec[14]; + } + } + } + else + { + if (order == 6) { + int32x4_t qlp_coeff_0 = {qlp_coeff[0], qlp_coeff[1], qlp_coeff[2], qlp_coeff[3]}; + int32x4_t qlp_coeff_1 = {qlp_coeff[4], qlp_coeff[5], 0, 0}; + + tmp_vec[0] = vld1q_s32(data - 6); + tmp_vec[1] = vld1q_s32(data - 5); + + for (i = 0; i < (int)data_len - 11; i += 12) + { + int64x2_t summ_l_0, summ_h_0, summ_l_1, summ_h_1, summ_l_2, summ_h_2; + + tmp_vec[2] = vld1q_s32(data + i - 4); + tmp_vec[3] = vld1q_s32(data + i - 3); + tmp_vec[4] = vld1q_s32(data + i - 2); + tmp_vec[5] = vld1q_s32(data + i - 1); + tmp_vec[6] = vld1q_s32(data + i - 0); + tmp_vec[7] = vld1q_s32(data + i + 1); + tmp_vec[8] = vld1q_s32(data + i + 2); + tmp_vec[9] = vld1q_s32(data + i + 3); + tmp_vec[10] = vld1q_s32(data + i + 4); + tmp_vec[11] = vld1q_s32(data + i + 5); + tmp_vec[12] = vld1q_s32(data + i + 6); + tmp_vec[13] = vld1q_s32(data + i + 7); + + + MUL_64_BIT_LOOP_UNROOL_3(qlp_coeff_1, 1) + MACC_64_BIT_LOOP_UNROOL_3(1, qlp_coeff_1, 0) + MACC_64_BIT_LOOP_UNROOL_3(2, qlp_coeff_0, 3) + MACC_64_BIT_LOOP_UNROOL_3(3, qlp_coeff_0, 2) + MACC_64_BIT_LOOP_UNROOL_3(4, qlp_coeff_0, 1) + MACC_64_BIT_LOOP_UNROOL_3(5, qlp_coeff_0, 0) + + SHIFT_SUMS_64BITS_AND_STORE_SUB() + + tmp_vec[0] = tmp_vec[12]; + tmp_vec[1] = tmp_vec[13]; + } + } + + else + { /* order == 5 */ + int32x4_t qlp_coeff_0 = {qlp_coeff[0], qlp_coeff[1], qlp_coeff[2], qlp_coeff[3]}; + int32x4_t qlp_coeff_1 = {qlp_coeff[4], 0, 0, 0}; + + tmp_vec[0] = vld1q_s32(data - 5); + + for (i = 0; i < (int)data_len - 11; i += 12) + { + int64x2_t summ_l_0, summ_h_0, summ_l_1, summ_h_1, summ_l_2, summ_h_2; + tmp_vec[1] = vld1q_s32(data + i - 4); + tmp_vec[2] = vld1q_s32(data + i - 3); + tmp_vec[3] = vld1q_s32(data + i - 2); + tmp_vec[4] = vld1q_s32(data + i - 1); + tmp_vec[5] = vld1q_s32(data + i - 0); + tmp_vec[6] = vld1q_s32(data + i + 1); + tmp_vec[7] = vld1q_s32(data + i + 2); + tmp_vec[8] = vld1q_s32(data + i + 3); + tmp_vec[9] = vld1q_s32(data + i + 4); + tmp_vec[10] = vld1q_s32(data + i + 5); + tmp_vec[11] = vld1q_s32(data + i + 6); + tmp_vec[12] = vld1q_s32(data + i + 7); + + MUL_64_BIT_LOOP_UNROOL_3(qlp_coeff_1, 0) + MACC_64_BIT_LOOP_UNROOL_3(1, qlp_coeff_0, 3) + MACC_64_BIT_LOOP_UNROOL_3(2, qlp_coeff_0, 2) + MACC_64_BIT_LOOP_UNROOL_3(3, qlp_coeff_0, 1) + MACC_64_BIT_LOOP_UNROOL_3(4, qlp_coeff_0, 0) + + SHIFT_SUMS_64BITS_AND_STORE_SUB() + + tmp_vec[0] = tmp_vec[12]; + } + } + } + } + else + { + if (order > 2) + { + if (order == 4) + { + int32x4_t qlp_coeff_0 = {qlp_coeff[0], qlp_coeff[1], qlp_coeff[2], qlp_coeff[3]}; + + for (i = 0; i < (int)data_len - 11; i += 12) + { + int64x2_t summ_l_0, summ_h_0, summ_l_1, summ_h_1, summ_l_2, summ_h_2; + tmp_vec[0] = vld1q_s32(data + i - 4); + tmp_vec[1] = vld1q_s32(data + i - 3); + tmp_vec[2] = vld1q_s32(data + i - 2); + tmp_vec[3] = vld1q_s32(data + i - 1); + tmp_vec[4] = vld1q_s32(data + i - 0); + tmp_vec[5] = vld1q_s32(data + i + 1); + tmp_vec[6] = vld1q_s32(data + i + 2); + tmp_vec[7] = vld1q_s32(data + i + 3); + tmp_vec[8] = vld1q_s32(data + i + 4); + tmp_vec[9] = vld1q_s32(data + i + 5); + tmp_vec[10] = vld1q_s32(data + i + 6); + tmp_vec[11] = vld1q_s32(data + i + 7); + + MUL_64_BIT_LOOP_UNROOL_3(qlp_coeff_0, 3) + MACC_64_BIT_LOOP_UNROOL_3(1, qlp_coeff_0, 2) + MACC_64_BIT_LOOP_UNROOL_3(2, qlp_coeff_0, 1) + MACC_64_BIT_LOOP_UNROOL_3(3, qlp_coeff_0, 0) + + SHIFT_SUMS_64BITS_AND_STORE_SUB() + } + } + else + { /* order == 3 */ + + int32x4_t qlp_coeff_0 = {qlp_coeff[0], qlp_coeff[1], qlp_coeff[2], 0}; + + for (i = 0; i < (int)data_len - 11; i += 12) + { + int64x2_t summ_l_0, summ_h_0, summ_l_1, summ_h_1, summ_l_2, summ_h_2; + tmp_vec[0] = vld1q_s32(data + i - 3); + tmp_vec[1] = vld1q_s32(data + i - 2); + tmp_vec[2] = vld1q_s32(data + i - 1); + tmp_vec[4] = vld1q_s32(data + i + 1); + tmp_vec[5] = vld1q_s32(data + i + 2); + tmp_vec[6] = vld1q_s32(data + i + 3); + tmp_vec[8] = vld1q_s32(data + i + 5); + tmp_vec[9] = vld1q_s32(data + i + 6); + tmp_vec[10] = vld1q_s32(data + i + 7); + + MUL_64_BIT_LOOP_UNROOL_3(qlp_coeff_0, 2) + MACC_64_BIT_LOOP_UNROOL_3(1, qlp_coeff_0, 1) + MACC_64_BIT_LOOP_UNROOL_3(2, qlp_coeff_0, 0) + + SHIFT_SUMS_64BITS_AND_STORE_SUB() + } + } + } + else + { + if (order == 2) + { + int32x4_t qlp_coeff_0 = {qlp_coeff[0], qlp_coeff[1], 0, 0}; + + for (i = 0; i < (int)data_len - 11; i += 12) + { + int64x2_t summ_l_0, summ_h_0, summ_l_1, summ_h_1, summ_l_2, summ_h_2; + tmp_vec[0] = vld1q_s32(data + i - 2); + tmp_vec[1] = vld1q_s32(data + i - 1); + tmp_vec[4] = vld1q_s32(data + i + 2); + tmp_vec[5] = vld1q_s32(data + i + 3); + tmp_vec[8] = vld1q_s32(data + i + 6); + tmp_vec[9] = vld1q_s32(data + i + 7); + + MUL_64_BIT_LOOP_UNROOL_3(qlp_coeff_0, 1) + MACC_64_BIT_LOOP_UNROOL_3(1, qlp_coeff_0, 0) + + SHIFT_SUMS_64BITS_AND_STORE_SUB() + } + } + + else + { /* order == 1 */ + + int32x2_t qlp_coeff_0_2 = vdup_n_s32(qlp_coeff[0]); + int32x4_t qlp_coeff_0_4 = vdupq_n_s32(qlp_coeff[0]); + + for (i = 0; i < (int)data_len - 11; i += 12) + { + int64x2_t summ_l_0, summ_h_0, summ_l_1, summ_h_1, summ_l_2, summ_h_2; + tmp_vec[0] = vld1q_s32(data + i - 1); + tmp_vec[4] = vld1q_s32(data + i + 3); + tmp_vec[8] = vld1q_s32(data + i + 7); + + summ_l_0 = vmull_s32(vget_low_s32(tmp_vec[0]), qlp_coeff_0_2); + summ_h_0 = vmull_high_s32(tmp_vec[0], qlp_coeff_0_4); + + summ_l_1 = vmull_s32(vget_low_s32(tmp_vec[4]), qlp_coeff_0_2); + summ_h_1 = vmull_high_s32(tmp_vec[4], qlp_coeff_0_4); + + summ_l_2 = vmull_s32(vget_low_s32(tmp_vec[8]), qlp_coeff_0_2); + summ_h_2 = vmull_high_s32(tmp_vec[8], qlp_coeff_0_4); + + SHIFT_SUMS_64BITS_AND_STORE_SUB() + } + } + } + } + for (; i < (int)data_len; i++) + { + sum = 0; + switch (order) + { + case 12: + sum += qlp_coeff[11] * (FLAC__int64)data[i - 12]; /* Falls through. */ + case 11: + sum += qlp_coeff[10] * (FLAC__int64)data[i - 11]; /* Falls through. */ + case 10: + sum += qlp_coeff[9] * (FLAC__int64)data[i - 10]; /* Falls through. */ + case 9: + sum += qlp_coeff[8] * (FLAC__int64)data[i - 9]; /* Falls through. */ + case 8: + sum += qlp_coeff[7] * (FLAC__int64)data[i - 8]; /* Falls through. */ + case 7: + sum += qlp_coeff[6] * (FLAC__int64)data[i - 7]; /* Falls through. */ + case 6: + sum += qlp_coeff[5] * (FLAC__int64)data[i - 6]; /* Falls through. */ + case 5: + sum += qlp_coeff[4] * (FLAC__int64)data[i - 5]; /* Falls through. */ + case 4: + sum += qlp_coeff[3] * (FLAC__int64)data[i - 4]; /* Falls through. */ + case 3: + sum += qlp_coeff[2] * (FLAC__int64)data[i - 3]; /* Falls through. */ + case 2: + sum += qlp_coeff[1] * (FLAC__int64)data[i - 2]; /* Falls through. */ + case 1: + sum += qlp_coeff[0] * (FLAC__int64)data[i - 1]; + } + residual[i] = data[i] - (sum >> lp_quantization); + } + } + else + { /* order > 12 */ + for (i = 0; i < (int)data_len; i++) + { + sum = 0; + switch (order) + { + case 32: + sum += qlp_coeff[31] * (FLAC__int64)data[i - 32]; /* Falls through. */ + case 31: + sum += qlp_coeff[30] * (FLAC__int64)data[i - 31]; /* Falls through. */ + case 30: + sum += qlp_coeff[29] * (FLAC__int64)data[i - 30]; /* Falls through. */ + case 29: + sum += qlp_coeff[28] * (FLAC__int64)data[i - 29]; /* Falls through. */ + case 28: + sum += qlp_coeff[27] * (FLAC__int64)data[i - 28]; /* Falls through. */ + case 27: + sum += qlp_coeff[26] * (FLAC__int64)data[i - 27]; /* Falls through. */ + case 26: + sum += qlp_coeff[25] * (FLAC__int64)data[i - 26]; /* Falls through. */ + case 25: + sum += qlp_coeff[24] * (FLAC__int64)data[i - 25]; /* Falls through. */ + case 24: + sum += qlp_coeff[23] * (FLAC__int64)data[i - 24]; /* Falls through. */ + case 23: + sum += qlp_coeff[22] * (FLAC__int64)data[i - 23]; /* Falls through. */ + case 22: + sum += qlp_coeff[21] * (FLAC__int64)data[i - 22]; /* Falls through. */ + case 21: + sum += qlp_coeff[20] * (FLAC__int64)data[i - 21]; /* Falls through. */ + case 20: + sum += qlp_coeff[19] * (FLAC__int64)data[i - 20]; /* Falls through. */ + case 19: + sum += qlp_coeff[18] * (FLAC__int64)data[i - 19]; /* Falls through. */ + case 18: + sum += qlp_coeff[17] * (FLAC__int64)data[i - 18]; /* Falls through. */ + case 17: + sum += qlp_coeff[16] * (FLAC__int64)data[i - 17]; /* Falls through. */ + case 16: + sum += qlp_coeff[15] * (FLAC__int64)data[i - 16]; /* Falls through. */ + case 15: + sum += qlp_coeff[14] * (FLAC__int64)data[i - 15]; /* Falls through. */ + case 14: + sum += qlp_coeff[13] * (FLAC__int64)data[i - 14]; /* Falls through. */ + case 13: + sum += qlp_coeff[12] * (FLAC__int64)data[i - 13]; + sum += qlp_coeff[11] * (FLAC__int64)data[i - 12]; + sum += qlp_coeff[10] * (FLAC__int64)data[i - 11]; + sum += qlp_coeff[9] * (FLAC__int64)data[i - 10]; + sum += qlp_coeff[8] * (FLAC__int64)data[i - 9]; + sum += qlp_coeff[7] * (FLAC__int64)data[i - 8]; + sum += qlp_coeff[6] * (FLAC__int64)data[i - 7]; + sum += qlp_coeff[5] * (FLAC__int64)data[i - 6]; + sum += qlp_coeff[4] * (FLAC__int64)data[i - 5]; + sum += qlp_coeff[3] * (FLAC__int64)data[i - 4]; + sum += qlp_coeff[2] * (FLAC__int64)data[i - 3]; + sum += qlp_coeff[1] * (FLAC__int64)data[i - 2]; + sum += qlp_coeff[0] * (FLAC__int64)data[i - 1]; + } + residual[i] = data[i] - (sum >> lp_quantization); + } + } + + return; +} + +#endif /* FLAC__CPU_ARM64 && FLAC__HAS_ARCH64INTRIN */ +#endif /* FLAC__NO_ASM */ +#endif /* FLAC__INTEGER_ONLY_LIBRARY */ diff --git a/src/libFLAC/lpc_intrin_sse2.c b/src/libFLAC/lpc_intrin_sse2.c new file mode 100644 index 0000000..d16a085 --- /dev/null +++ b/src/libFLAC/lpc_intrin_sse2.c @@ -0,0 +1,966 @@ +/* libFLAC - Free Lossless Audio Codec library + * Copyright (C) 2000-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * - Neither the name of the Xiph.org Foundation nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include "private/cpu.h" + +#ifndef FLAC__INTEGER_ONLY_LIBRARY +#ifndef FLAC__NO_ASM +#if (defined FLAC__CPU_IA32 || defined FLAC__CPU_X86_64) && FLAC__HAS_X86INTRIN +#include "private/lpc.h" +#ifdef FLAC__SSE2_SUPPORTED + +#include "FLAC/assert.h" +#include "FLAC/format.h" + +#include <emmintrin.h> /* SSE2 */ + +#define RESIDUAL32_RESULT(xmmN) residual[i] = data[i] - (_mm_cvtsi128_si32(xmmN) >> lp_quantization); +#define DATA32_RESULT(xmmN) data[i] = residual[i] + (_mm_cvtsi128_si32(xmmN) >> lp_quantization); + + +FLAC__SSE_TARGET("sse2") +void FLAC__lpc_compute_autocorrelation_intrin_sse2_lag_8(const FLAC__real data[], uint32_t data_len, uint32_t lag, double autoc[]) +{ +#undef MAX_LAG +#define MAX_LAG 8 +#include "deduplication/lpc_compute_autocorrelation_intrin_sse2.c" +} + +FLAC__SSE_TARGET("sse2") +void FLAC__lpc_compute_autocorrelation_intrin_sse2_lag_10(const FLAC__real data[], uint32_t data_len, uint32_t lag, double autoc[]) +{ +#undef MAX_LAG +#define MAX_LAG 10 +#include "deduplication/lpc_compute_autocorrelation_intrin_sse2.c" +} + + +FLAC__SSE_TARGET("sse2") +void FLAC__lpc_compute_autocorrelation_intrin_sse2_lag_14(const FLAC__real data[], uint32_t data_len, uint32_t lag, double autoc[]) +{ +#undef MAX_LAG +#define MAX_LAG 14 +#include "deduplication/lpc_compute_autocorrelation_intrin_sse2.c" +} + +FLAC__SSE_TARGET("sse2") +void FLAC__lpc_compute_residual_from_qlp_coefficients_16_intrin_sse2(const FLAC__int32 *data, uint32_t data_len, const FLAC__int32 qlp_coeff[], uint32_t order, int lp_quantization, FLAC__int32 residual[]) +{ + int i; + FLAC__int32 sum; + const __m128i cnt = _mm_cvtsi32_si128(lp_quantization); + + FLAC__ASSERT(order > 0); + FLAC__ASSERT(order <= 32); + + if(order <= 12) { + if(order > 8) { + if(order > 10) { + if(order == 12) { + __m128i q0, q1, q2, q3, q4, q5, q6, q7, q8, q9, q10, q11; + q0 = _mm_cvtsi32_si128(0xffff & qlp_coeff[0]); q0 = _mm_shuffle_epi32(q0, _MM_SHUFFLE(0,0,0,0)); + q1 = _mm_cvtsi32_si128(0xffff & qlp_coeff[1]); q1 = _mm_shuffle_epi32(q1, _MM_SHUFFLE(0,0,0,0)); + q2 = _mm_cvtsi32_si128(0xffff & qlp_coeff[2]); q2 = _mm_shuffle_epi32(q2, _MM_SHUFFLE(0,0,0,0)); + q3 = _mm_cvtsi32_si128(0xffff & qlp_coeff[3]); q3 = _mm_shuffle_epi32(q3, _MM_SHUFFLE(0,0,0,0)); + q4 = _mm_cvtsi32_si128(0xffff & qlp_coeff[4]); q4 = _mm_shuffle_epi32(q4, _MM_SHUFFLE(0,0,0,0)); + q5 = _mm_cvtsi32_si128(0xffff & qlp_coeff[5]); q5 = _mm_shuffle_epi32(q5, _MM_SHUFFLE(0,0,0,0)); + q6 = _mm_cvtsi32_si128(0xffff & qlp_coeff[6]); q6 = _mm_shuffle_epi32(q6, _MM_SHUFFLE(0,0,0,0)); + q7 = _mm_cvtsi32_si128(0xffff & qlp_coeff[7]); q7 = _mm_shuffle_epi32(q7, _MM_SHUFFLE(0,0,0,0)); + q8 = _mm_cvtsi32_si128(0xffff & qlp_coeff[8]); q8 = _mm_shuffle_epi32(q8, _MM_SHUFFLE(0,0,0,0)); + q9 = _mm_cvtsi32_si128(0xffff & qlp_coeff[9]); q9 = _mm_shuffle_epi32(q9, _MM_SHUFFLE(0,0,0,0)); + q10 = _mm_cvtsi32_si128(0xffff & qlp_coeff[10]); q10 = _mm_shuffle_epi32(q10, _MM_SHUFFLE(0,0,0,0)); + q11 = _mm_cvtsi32_si128(0xffff & qlp_coeff[11]); q11 = _mm_shuffle_epi32(q11, _MM_SHUFFLE(0,0,0,0)); + + for(i = 0; i < (int)data_len-3; i+=4) { + __m128i summ, mull; + summ = _mm_madd_epi16(q11, _mm_loadu_si128((const __m128i*)(const void*)(data+i-12))); + mull = _mm_madd_epi16(q10, _mm_loadu_si128((const __m128i*)(const void*)(data+i-11))); summ = _mm_add_epi32(summ, mull); + mull = _mm_madd_epi16(q9, _mm_loadu_si128((const __m128i*)(const void*)(data+i-10))); summ = _mm_add_epi32(summ, mull); + mull = _mm_madd_epi16(q8, _mm_loadu_si128((const __m128i*)(const void*)(data+i-9))); summ = _mm_add_epi32(summ, mull); + mull = _mm_madd_epi16(q7, _mm_loadu_si128((const __m128i*)(const void*)(data+i-8))); summ = _mm_add_epi32(summ, mull); + mull = _mm_madd_epi16(q6, _mm_loadu_si128((const __m128i*)(const void*)(data+i-7))); summ = _mm_add_epi32(summ, mull); + mull = _mm_madd_epi16(q5, _mm_loadu_si128((const __m128i*)(const void*)(data+i-6))); summ = _mm_add_epi32(summ, mull); + mull = _mm_madd_epi16(q4, _mm_loadu_si128((const __m128i*)(const void*)(data+i-5))); summ = _mm_add_epi32(summ, mull); + mull = _mm_madd_epi16(q3, _mm_loadu_si128((const __m128i*)(const void*)(data+i-4))); summ = _mm_add_epi32(summ, mull); + mull = _mm_madd_epi16(q2, _mm_loadu_si128((const __m128i*)(const void*)(data+i-3))); summ = _mm_add_epi32(summ, mull); + mull = _mm_madd_epi16(q1, _mm_loadu_si128((const __m128i*)(const void*)(data+i-2))); summ = _mm_add_epi32(summ, mull); + mull = _mm_madd_epi16(q0, _mm_loadu_si128((const __m128i*)(const void*)(data+i-1))); summ = _mm_add_epi32(summ, mull); + summ = _mm_sra_epi32(summ, cnt); + _mm_storeu_si128((__m128i*)(void*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(const void*)(data+i)), summ)); + } + } + else { /* order == 11 */ + __m128i q0, q1, q2, q3, q4, q5, q6, q7, q8, q9, q10; + q0 = _mm_cvtsi32_si128(0xffff & qlp_coeff[0]); q0 = _mm_shuffle_epi32(q0, _MM_SHUFFLE(0,0,0,0)); + q1 = _mm_cvtsi32_si128(0xffff & qlp_coeff[1]); q1 = _mm_shuffle_epi32(q1, _MM_SHUFFLE(0,0,0,0)); + q2 = _mm_cvtsi32_si128(0xffff & qlp_coeff[2]); q2 = _mm_shuffle_epi32(q2, _MM_SHUFFLE(0,0,0,0)); + q3 = _mm_cvtsi32_si128(0xffff & qlp_coeff[3]); q3 = _mm_shuffle_epi32(q3, _MM_SHUFFLE(0,0,0,0)); + q4 = _mm_cvtsi32_si128(0xffff & qlp_coeff[4]); q4 = _mm_shuffle_epi32(q4, _MM_SHUFFLE(0,0,0,0)); + q5 = _mm_cvtsi32_si128(0xffff & qlp_coeff[5]); q5 = _mm_shuffle_epi32(q5, _MM_SHUFFLE(0,0,0,0)); + q6 = _mm_cvtsi32_si128(0xffff & qlp_coeff[6]); q6 = _mm_shuffle_epi32(q6, _MM_SHUFFLE(0,0,0,0)); + q7 = _mm_cvtsi32_si128(0xffff & qlp_coeff[7]); q7 = _mm_shuffle_epi32(q7, _MM_SHUFFLE(0,0,0,0)); + q8 = _mm_cvtsi32_si128(0xffff & qlp_coeff[8]); q8 = _mm_shuffle_epi32(q8, _MM_SHUFFLE(0,0,0,0)); + q9 = _mm_cvtsi32_si128(0xffff & qlp_coeff[9]); q9 = _mm_shuffle_epi32(q9, _MM_SHUFFLE(0,0,0,0)); + q10 = _mm_cvtsi32_si128(0xffff & qlp_coeff[10]); q10 = _mm_shuffle_epi32(q10, _MM_SHUFFLE(0,0,0,0)); + + for(i = 0; i < (int)data_len-3; i+=4) { + __m128i summ, mull; + summ = _mm_madd_epi16(q10, _mm_loadu_si128((const __m128i*)(const void*)(data+i-11))); + mull = _mm_madd_epi16(q9, _mm_loadu_si128((const __m128i*)(const void*)(data+i-10))); summ = _mm_add_epi32(summ, mull); + mull = _mm_madd_epi16(q8, _mm_loadu_si128((const __m128i*)(const void*)(data+i-9))); summ = _mm_add_epi32(summ, mull); + mull = _mm_madd_epi16(q7, _mm_loadu_si128((const __m128i*)(const void*)(data+i-8))); summ = _mm_add_epi32(summ, mull); + mull = _mm_madd_epi16(q6, _mm_loadu_si128((const __m128i*)(const void*)(data+i-7))); summ = _mm_add_epi32(summ, mull); + mull = _mm_madd_epi16(q5, _mm_loadu_si128((const __m128i*)(const void*)(data+i-6))); summ = _mm_add_epi32(summ, mull); + mull = _mm_madd_epi16(q4, _mm_loadu_si128((const __m128i*)(const void*)(data+i-5))); summ = _mm_add_epi32(summ, mull); + mull = _mm_madd_epi16(q3, _mm_loadu_si128((const __m128i*)(const void*)(data+i-4))); summ = _mm_add_epi32(summ, mull); + mull = _mm_madd_epi16(q2, _mm_loadu_si128((const __m128i*)(const void*)(data+i-3))); summ = _mm_add_epi32(summ, mull); + mull = _mm_madd_epi16(q1, _mm_loadu_si128((const __m128i*)(const void*)(data+i-2))); summ = _mm_add_epi32(summ, mull); + mull = _mm_madd_epi16(q0, _mm_loadu_si128((const __m128i*)(const void*)(data+i-1))); summ = _mm_add_epi32(summ, mull); + summ = _mm_sra_epi32(summ, cnt); + _mm_storeu_si128((__m128i*)(void*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(const void*)(data+i)), summ)); + } + } + } + else { + if(order == 10) { + __m128i q0, q1, q2, q3, q4, q5, q6, q7, q8, q9; + q0 = _mm_cvtsi32_si128(0xffff & qlp_coeff[0]); q0 = _mm_shuffle_epi32(q0, _MM_SHUFFLE(0,0,0,0)); + q1 = _mm_cvtsi32_si128(0xffff & qlp_coeff[1]); q1 = _mm_shuffle_epi32(q1, _MM_SHUFFLE(0,0,0,0)); + q2 = _mm_cvtsi32_si128(0xffff & qlp_coeff[2]); q2 = _mm_shuffle_epi32(q2, _MM_SHUFFLE(0,0,0,0)); + q3 = _mm_cvtsi32_si128(0xffff & qlp_coeff[3]); q3 = _mm_shuffle_epi32(q3, _MM_SHUFFLE(0,0,0,0)); + q4 = _mm_cvtsi32_si128(0xffff & qlp_coeff[4]); q4 = _mm_shuffle_epi32(q4, _MM_SHUFFLE(0,0,0,0)); + q5 = _mm_cvtsi32_si128(0xffff & qlp_coeff[5]); q5 = _mm_shuffle_epi32(q5, _MM_SHUFFLE(0,0,0,0)); + q6 = _mm_cvtsi32_si128(0xffff & qlp_coeff[6]); q6 = _mm_shuffle_epi32(q6, _MM_SHUFFLE(0,0,0,0)); + q7 = _mm_cvtsi32_si128(0xffff & qlp_coeff[7]); q7 = _mm_shuffle_epi32(q7, _MM_SHUFFLE(0,0,0,0)); + q8 = _mm_cvtsi32_si128(0xffff & qlp_coeff[8]); q8 = _mm_shuffle_epi32(q8, _MM_SHUFFLE(0,0,0,0)); + q9 = _mm_cvtsi32_si128(0xffff & qlp_coeff[9]); q9 = _mm_shuffle_epi32(q9, _MM_SHUFFLE(0,0,0,0)); + + for(i = 0; i < (int)data_len-3; i+=4) { + __m128i summ, mull; + summ = _mm_madd_epi16(q9, _mm_loadu_si128((const __m128i*)(const void*)(data+i-10))); + mull = _mm_madd_epi16(q8, _mm_loadu_si128((const __m128i*)(const void*)(data+i-9))); summ = _mm_add_epi32(summ, mull); + mull = _mm_madd_epi16(q7, _mm_loadu_si128((const __m128i*)(const void*)(data+i-8))); summ = _mm_add_epi32(summ, mull); + mull = _mm_madd_epi16(q6, _mm_loadu_si128((const __m128i*)(const void*)(data+i-7))); summ = _mm_add_epi32(summ, mull); + mull = _mm_madd_epi16(q5, _mm_loadu_si128((const __m128i*)(const void*)(data+i-6))); summ = _mm_add_epi32(summ, mull); + mull = _mm_madd_epi16(q4, _mm_loadu_si128((const __m128i*)(const void*)(data+i-5))); summ = _mm_add_epi32(summ, mull); + mull = _mm_madd_epi16(q3, _mm_loadu_si128((const __m128i*)(const void*)(data+i-4))); summ = _mm_add_epi32(summ, mull); + mull = _mm_madd_epi16(q2, _mm_loadu_si128((const __m128i*)(const void*)(data+i-3))); summ = _mm_add_epi32(summ, mull); + mull = _mm_madd_epi16(q1, _mm_loadu_si128((const __m128i*)(const void*)(data+i-2))); summ = _mm_add_epi32(summ, mull); + mull = _mm_madd_epi16(q0, _mm_loadu_si128((const __m128i*)(const void*)(data+i-1))); summ = _mm_add_epi32(summ, mull); + summ = _mm_sra_epi32(summ, cnt); + _mm_storeu_si128((__m128i*)(void*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(const void*)(data+i)), summ)); + } + } + else { /* order == 9 */ + __m128i q0, q1, q2, q3, q4, q5, q6, q7, q8; + q0 = _mm_cvtsi32_si128(0xffff & qlp_coeff[0]); q0 = _mm_shuffle_epi32(q0, _MM_SHUFFLE(0,0,0,0)); + q1 = _mm_cvtsi32_si128(0xffff & qlp_coeff[1]); q1 = _mm_shuffle_epi32(q1, _MM_SHUFFLE(0,0,0,0)); + q2 = _mm_cvtsi32_si128(0xffff & qlp_coeff[2]); q2 = _mm_shuffle_epi32(q2, _MM_SHUFFLE(0,0,0,0)); + q3 = _mm_cvtsi32_si128(0xffff & qlp_coeff[3]); q3 = _mm_shuffle_epi32(q3, _MM_SHUFFLE(0,0,0,0)); + q4 = _mm_cvtsi32_si128(0xffff & qlp_coeff[4]); q4 = _mm_shuffle_epi32(q4, _MM_SHUFFLE(0,0,0,0)); + q5 = _mm_cvtsi32_si128(0xffff & qlp_coeff[5]); q5 = _mm_shuffle_epi32(q5, _MM_SHUFFLE(0,0,0,0)); + q6 = _mm_cvtsi32_si128(0xffff & qlp_coeff[6]); q6 = _mm_shuffle_epi32(q6, _MM_SHUFFLE(0,0,0,0)); + q7 = _mm_cvtsi32_si128(0xffff & qlp_coeff[7]); q7 = _mm_shuffle_epi32(q7, _MM_SHUFFLE(0,0,0,0)); + q8 = _mm_cvtsi32_si128(0xffff & qlp_coeff[8]); q8 = _mm_shuffle_epi32(q8, _MM_SHUFFLE(0,0,0,0)); + + for(i = 0; i < (int)data_len-3; i+=4) { + __m128i summ, mull; + summ = _mm_madd_epi16(q8, _mm_loadu_si128((const __m128i*)(const void*)(data+i-9))); + mull = _mm_madd_epi16(q7, _mm_loadu_si128((const __m128i*)(const void*)(data+i-8))); summ = _mm_add_epi32(summ, mull); + mull = _mm_madd_epi16(q6, _mm_loadu_si128((const __m128i*)(const void*)(data+i-7))); summ = _mm_add_epi32(summ, mull); + mull = _mm_madd_epi16(q5, _mm_loadu_si128((const __m128i*)(const void*)(data+i-6))); summ = _mm_add_epi32(summ, mull); + mull = _mm_madd_epi16(q4, _mm_loadu_si128((const __m128i*)(const void*)(data+i-5))); summ = _mm_add_epi32(summ, mull); + mull = _mm_madd_epi16(q3, _mm_loadu_si128((const __m128i*)(const void*)(data+i-4))); summ = _mm_add_epi32(summ, mull); + mull = _mm_madd_epi16(q2, _mm_loadu_si128((const __m128i*)(const void*)(data+i-3))); summ = _mm_add_epi32(summ, mull); + mull = _mm_madd_epi16(q1, _mm_loadu_si128((const __m128i*)(const void*)(data+i-2))); summ = _mm_add_epi32(summ, mull); + mull = _mm_madd_epi16(q0, _mm_loadu_si128((const __m128i*)(const void*)(data+i-1))); summ = _mm_add_epi32(summ, mull); + summ = _mm_sra_epi32(summ, cnt); + _mm_storeu_si128((__m128i*)(void*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(const void*)(data+i)), summ)); + } + } + } + } + else if(order > 4) { + if(order > 6) { + if(order == 8) { + __m128i q0, q1, q2, q3, q4, q5, q6, q7; + q0 = _mm_cvtsi32_si128(0xffff & qlp_coeff[0]); q0 = _mm_shuffle_epi32(q0, _MM_SHUFFLE(0,0,0,0)); + q1 = _mm_cvtsi32_si128(0xffff & qlp_coeff[1]); q1 = _mm_shuffle_epi32(q1, _MM_SHUFFLE(0,0,0,0)); + q2 = _mm_cvtsi32_si128(0xffff & qlp_coeff[2]); q2 = _mm_shuffle_epi32(q2, _MM_SHUFFLE(0,0,0,0)); + q3 = _mm_cvtsi32_si128(0xffff & qlp_coeff[3]); q3 = _mm_shuffle_epi32(q3, _MM_SHUFFLE(0,0,0,0)); + q4 = _mm_cvtsi32_si128(0xffff & qlp_coeff[4]); q4 = _mm_shuffle_epi32(q4, _MM_SHUFFLE(0,0,0,0)); + q5 = _mm_cvtsi32_si128(0xffff & qlp_coeff[5]); q5 = _mm_shuffle_epi32(q5, _MM_SHUFFLE(0,0,0,0)); + q6 = _mm_cvtsi32_si128(0xffff & qlp_coeff[6]); q6 = _mm_shuffle_epi32(q6, _MM_SHUFFLE(0,0,0,0)); + q7 = _mm_cvtsi32_si128(0xffff & qlp_coeff[7]); q7 = _mm_shuffle_epi32(q7, _MM_SHUFFLE(0,0,0,0)); + + for(i = 0; i < (int)data_len-3; i+=4) { + __m128i summ, mull; + summ = _mm_madd_epi16(q7, _mm_loadu_si128((const __m128i*)(const void*)(data+i-8))); + mull = _mm_madd_epi16(q6, _mm_loadu_si128((const __m128i*)(const void*)(data+i-7))); summ = _mm_add_epi32(summ, mull); + mull = _mm_madd_epi16(q5, _mm_loadu_si128((const __m128i*)(const void*)(data+i-6))); summ = _mm_add_epi32(summ, mull); + mull = _mm_madd_epi16(q4, _mm_loadu_si128((const __m128i*)(const void*)(data+i-5))); summ = _mm_add_epi32(summ, mull); + mull = _mm_madd_epi16(q3, _mm_loadu_si128((const __m128i*)(const void*)(data+i-4))); summ = _mm_add_epi32(summ, mull); + mull = _mm_madd_epi16(q2, _mm_loadu_si128((const __m128i*)(const void*)(data+i-3))); summ = _mm_add_epi32(summ, mull); + mull = _mm_madd_epi16(q1, _mm_loadu_si128((const __m128i*)(const void*)(data+i-2))); summ = _mm_add_epi32(summ, mull); + mull = _mm_madd_epi16(q0, _mm_loadu_si128((const __m128i*)(const void*)(data+i-1))); summ = _mm_add_epi32(summ, mull); + summ = _mm_sra_epi32(summ, cnt); + _mm_storeu_si128((__m128i*)(void*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(const void*)(data+i)), summ)); + } + } + else { /* order == 7 */ + __m128i q0, q1, q2, q3, q4, q5, q6; + q0 = _mm_cvtsi32_si128(0xffff & qlp_coeff[0]); q0 = _mm_shuffle_epi32(q0, _MM_SHUFFLE(0,0,0,0)); + q1 = _mm_cvtsi32_si128(0xffff & qlp_coeff[1]); q1 = _mm_shuffle_epi32(q1, _MM_SHUFFLE(0,0,0,0)); + q2 = _mm_cvtsi32_si128(0xffff & qlp_coeff[2]); q2 = _mm_shuffle_epi32(q2, _MM_SHUFFLE(0,0,0,0)); + q3 = _mm_cvtsi32_si128(0xffff & qlp_coeff[3]); q3 = _mm_shuffle_epi32(q3, _MM_SHUFFLE(0,0,0,0)); + q4 = _mm_cvtsi32_si128(0xffff & qlp_coeff[4]); q4 = _mm_shuffle_epi32(q4, _MM_SHUFFLE(0,0,0,0)); + q5 = _mm_cvtsi32_si128(0xffff & qlp_coeff[5]); q5 = _mm_shuffle_epi32(q5, _MM_SHUFFLE(0,0,0,0)); + q6 = _mm_cvtsi32_si128(0xffff & qlp_coeff[6]); q6 = _mm_shuffle_epi32(q6, _MM_SHUFFLE(0,0,0,0)); + + for(i = 0; i < (int)data_len-3; i+=4) { + __m128i summ, mull; + summ = _mm_madd_epi16(q6, _mm_loadu_si128((const __m128i*)(const void*)(data+i-7))); + mull = _mm_madd_epi16(q5, _mm_loadu_si128((const __m128i*)(const void*)(data+i-6))); summ = _mm_add_epi32(summ, mull); + mull = _mm_madd_epi16(q4, _mm_loadu_si128((const __m128i*)(const void*)(data+i-5))); summ = _mm_add_epi32(summ, mull); + mull = _mm_madd_epi16(q3, _mm_loadu_si128((const __m128i*)(const void*)(data+i-4))); summ = _mm_add_epi32(summ, mull); + mull = _mm_madd_epi16(q2, _mm_loadu_si128((const __m128i*)(const void*)(data+i-3))); summ = _mm_add_epi32(summ, mull); + mull = _mm_madd_epi16(q1, _mm_loadu_si128((const __m128i*)(const void*)(data+i-2))); summ = _mm_add_epi32(summ, mull); + mull = _mm_madd_epi16(q0, _mm_loadu_si128((const __m128i*)(const void*)(data+i-1))); summ = _mm_add_epi32(summ, mull); + summ = _mm_sra_epi32(summ, cnt); + _mm_storeu_si128((__m128i*)(void*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(const void*)(data+i)), summ)); + } + } + } + else { + if(order == 6) { + __m128i q0, q1, q2, q3, q4, q5; + q0 = _mm_cvtsi32_si128(0xffff & qlp_coeff[0]); q0 = _mm_shuffle_epi32(q0, _MM_SHUFFLE(0,0,0,0)); + q1 = _mm_cvtsi32_si128(0xffff & qlp_coeff[1]); q1 = _mm_shuffle_epi32(q1, _MM_SHUFFLE(0,0,0,0)); + q2 = _mm_cvtsi32_si128(0xffff & qlp_coeff[2]); q2 = _mm_shuffle_epi32(q2, _MM_SHUFFLE(0,0,0,0)); + q3 = _mm_cvtsi32_si128(0xffff & qlp_coeff[3]); q3 = _mm_shuffle_epi32(q3, _MM_SHUFFLE(0,0,0,0)); + q4 = _mm_cvtsi32_si128(0xffff & qlp_coeff[4]); q4 = _mm_shuffle_epi32(q4, _MM_SHUFFLE(0,0,0,0)); + q5 = _mm_cvtsi32_si128(0xffff & qlp_coeff[5]); q5 = _mm_shuffle_epi32(q5, _MM_SHUFFLE(0,0,0,0)); + + for(i = 0; i < (int)data_len-3; i+=4) { + __m128i summ, mull; + summ = _mm_madd_epi16(q5, _mm_loadu_si128((const __m128i*)(const void*)(data+i-6))); + mull = _mm_madd_epi16(q4, _mm_loadu_si128((const __m128i*)(const void*)(data+i-5))); summ = _mm_add_epi32(summ, mull); + mull = _mm_madd_epi16(q3, _mm_loadu_si128((const __m128i*)(const void*)(data+i-4))); summ = _mm_add_epi32(summ, mull); + mull = _mm_madd_epi16(q2, _mm_loadu_si128((const __m128i*)(const void*)(data+i-3))); summ = _mm_add_epi32(summ, mull); + mull = _mm_madd_epi16(q1, _mm_loadu_si128((const __m128i*)(const void*)(data+i-2))); summ = _mm_add_epi32(summ, mull); + mull = _mm_madd_epi16(q0, _mm_loadu_si128((const __m128i*)(const void*)(data+i-1))); summ = _mm_add_epi32(summ, mull); + summ = _mm_sra_epi32(summ, cnt); + _mm_storeu_si128((__m128i*)(void*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(const void*)(data+i)), summ)); + } + } + else { /* order == 5 */ + __m128i q0, q1, q2, q3, q4; + q0 = _mm_cvtsi32_si128(0xffff & qlp_coeff[0]); q0 = _mm_shuffle_epi32(q0, _MM_SHUFFLE(0,0,0,0)); + q1 = _mm_cvtsi32_si128(0xffff & qlp_coeff[1]); q1 = _mm_shuffle_epi32(q1, _MM_SHUFFLE(0,0,0,0)); + q2 = _mm_cvtsi32_si128(0xffff & qlp_coeff[2]); q2 = _mm_shuffle_epi32(q2, _MM_SHUFFLE(0,0,0,0)); + q3 = _mm_cvtsi32_si128(0xffff & qlp_coeff[3]); q3 = _mm_shuffle_epi32(q3, _MM_SHUFFLE(0,0,0,0)); + q4 = _mm_cvtsi32_si128(0xffff & qlp_coeff[4]); q4 = _mm_shuffle_epi32(q4, _MM_SHUFFLE(0,0,0,0)); + + for(i = 0; i < (int)data_len-3; i+=4) { + __m128i summ, mull; + summ = _mm_madd_epi16(q4, _mm_loadu_si128((const __m128i*)(const void*)(data+i-5))); + mull = _mm_madd_epi16(q3, _mm_loadu_si128((const __m128i*)(const void*)(data+i-4))); summ = _mm_add_epi32(summ, mull); + mull = _mm_madd_epi16(q2, _mm_loadu_si128((const __m128i*)(const void*)(data+i-3))); summ = _mm_add_epi32(summ, mull); + mull = _mm_madd_epi16(q1, _mm_loadu_si128((const __m128i*)(const void*)(data+i-2))); summ = _mm_add_epi32(summ, mull); + mull = _mm_madd_epi16(q0, _mm_loadu_si128((const __m128i*)(const void*)(data+i-1))); summ = _mm_add_epi32(summ, mull); + summ = _mm_sra_epi32(summ, cnt); + _mm_storeu_si128((__m128i*)(void*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(const void*)(data+i)), summ)); + } + } + } + } + else { + if(order > 2) { + if(order == 4) { + __m128i q0, q1, q2, q3; + q0 = _mm_cvtsi32_si128(0xffff & qlp_coeff[0]); q0 = _mm_shuffle_epi32(q0, _MM_SHUFFLE(0,0,0,0)); + q1 = _mm_cvtsi32_si128(0xffff & qlp_coeff[1]); q1 = _mm_shuffle_epi32(q1, _MM_SHUFFLE(0,0,0,0)); + q2 = _mm_cvtsi32_si128(0xffff & qlp_coeff[2]); q2 = _mm_shuffle_epi32(q2, _MM_SHUFFLE(0,0,0,0)); + q3 = _mm_cvtsi32_si128(0xffff & qlp_coeff[3]); q3 = _mm_shuffle_epi32(q3, _MM_SHUFFLE(0,0,0,0)); + + for(i = 0; i < (int)data_len-3; i+=4) { + __m128i summ, mull; + summ = _mm_madd_epi16(q3, _mm_loadu_si128((const __m128i*)(const void*)(data+i-4))); + mull = _mm_madd_epi16(q2, _mm_loadu_si128((const __m128i*)(const void*)(data+i-3))); summ = _mm_add_epi32(summ, mull); + mull = _mm_madd_epi16(q1, _mm_loadu_si128((const __m128i*)(const void*)(data+i-2))); summ = _mm_add_epi32(summ, mull); + mull = _mm_madd_epi16(q0, _mm_loadu_si128((const __m128i*)(const void*)(data+i-1))); summ = _mm_add_epi32(summ, mull); + summ = _mm_sra_epi32(summ, cnt); + _mm_storeu_si128((__m128i*)(void*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(const void*)(data+i)), summ)); + } + } + else { /* order == 3 */ + __m128i q0, q1, q2; + q0 = _mm_cvtsi32_si128(0xffff & qlp_coeff[0]); q0 = _mm_shuffle_epi32(q0, _MM_SHUFFLE(0,0,0,0)); + q1 = _mm_cvtsi32_si128(0xffff & qlp_coeff[1]); q1 = _mm_shuffle_epi32(q1, _MM_SHUFFLE(0,0,0,0)); + q2 = _mm_cvtsi32_si128(0xffff & qlp_coeff[2]); q2 = _mm_shuffle_epi32(q2, _MM_SHUFFLE(0,0,0,0)); + + for(i = 0; i < (int)data_len-3; i+=4) { + __m128i summ, mull; + summ = _mm_madd_epi16(q2, _mm_loadu_si128((const __m128i*)(const void*)(data+i-3))); + mull = _mm_madd_epi16(q1, _mm_loadu_si128((const __m128i*)(const void*)(data+i-2))); summ = _mm_add_epi32(summ, mull); + mull = _mm_madd_epi16(q0, _mm_loadu_si128((const __m128i*)(const void*)(data+i-1))); summ = _mm_add_epi32(summ, mull); + summ = _mm_sra_epi32(summ, cnt); + _mm_storeu_si128((__m128i*)(void*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(const void*)(data+i)), summ)); + } + } + } + else { + if(order == 2) { + __m128i q0, q1; + q0 = _mm_cvtsi32_si128(0xffff & qlp_coeff[0]); q0 = _mm_shuffle_epi32(q0, _MM_SHUFFLE(0,0,0,0)); + q1 = _mm_cvtsi32_si128(0xffff & qlp_coeff[1]); q1 = _mm_shuffle_epi32(q1, _MM_SHUFFLE(0,0,0,0)); + + for(i = 0; i < (int)data_len-3; i+=4) { + __m128i summ, mull; + summ = _mm_madd_epi16(q1, _mm_loadu_si128((const __m128i*)(const void*)(data+i-2))); + mull = _mm_madd_epi16(q0, _mm_loadu_si128((const __m128i*)(const void*)(data+i-1))); summ = _mm_add_epi32(summ, mull); + summ = _mm_sra_epi32(summ, cnt); + _mm_storeu_si128((__m128i*)(void*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(const void*)(data+i)), summ)); + } + } + else { /* order == 1 */ + __m128i q0; + q0 = _mm_cvtsi32_si128(0xffff & qlp_coeff[0]); q0 = _mm_shuffle_epi32(q0, _MM_SHUFFLE(0,0,0,0)); + + for(i = 0; i < (int)data_len-3; i+=4) { + __m128i summ; + summ = _mm_madd_epi16(q0, _mm_loadu_si128((const __m128i*)(const void*)(data+i-1))); + summ = _mm_sra_epi32(summ, cnt); + _mm_storeu_si128((__m128i*)(void*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(const void*)(data+i)), summ)); + } + } + } + } + for(; i < (int)data_len; i++) { + sum = 0; + switch(order) { + case 12: sum += qlp_coeff[11] * data[i-12]; /* Falls through. */ + case 11: sum += qlp_coeff[10] * data[i-11]; /* Falls through. */ + case 10: sum += qlp_coeff[ 9] * data[i-10]; /* Falls through. */ + case 9: sum += qlp_coeff[ 8] * data[i- 9]; /* Falls through. */ + case 8: sum += qlp_coeff[ 7] * data[i- 8]; /* Falls through. */ + case 7: sum += qlp_coeff[ 6] * data[i- 7]; /* Falls through. */ + case 6: sum += qlp_coeff[ 5] * data[i- 6]; /* Falls through. */ + case 5: sum += qlp_coeff[ 4] * data[i- 5]; /* Falls through. */ + case 4: sum += qlp_coeff[ 3] * data[i- 4]; /* Falls through. */ + case 3: sum += qlp_coeff[ 2] * data[i- 3]; /* Falls through. */ + case 2: sum += qlp_coeff[ 1] * data[i- 2]; /* Falls through. */ + case 1: sum += qlp_coeff[ 0] * data[i- 1]; + } + residual[i] = data[i] - (sum >> lp_quantization); + } + } + else { /* order > 12 */ + for(i = 0; i < (int)data_len; i++) { + sum = 0; + switch(order) { + case 32: sum += qlp_coeff[31] * data[i-32]; /* Falls through. */ + case 31: sum += qlp_coeff[30] * data[i-31]; /* Falls through. */ + case 30: sum += qlp_coeff[29] * data[i-30]; /* Falls through. */ + case 29: sum += qlp_coeff[28] * data[i-29]; /* Falls through. */ + case 28: sum += qlp_coeff[27] * data[i-28]; /* Falls through. */ + case 27: sum += qlp_coeff[26] * data[i-27]; /* Falls through. */ + case 26: sum += qlp_coeff[25] * data[i-26]; /* Falls through. */ + case 25: sum += qlp_coeff[24] * data[i-25]; /* Falls through. */ + case 24: sum += qlp_coeff[23] * data[i-24]; /* Falls through. */ + case 23: sum += qlp_coeff[22] * data[i-23]; /* Falls through. */ + case 22: sum += qlp_coeff[21] * data[i-22]; /* Falls through. */ + case 21: sum += qlp_coeff[20] * data[i-21]; /* Falls through. */ + case 20: sum += qlp_coeff[19] * data[i-20]; /* Falls through. */ + case 19: sum += qlp_coeff[18] * data[i-19]; /* Falls through. */ + case 18: sum += qlp_coeff[17] * data[i-18]; /* Falls through. */ + case 17: sum += qlp_coeff[16] * data[i-17]; /* Falls through. */ + case 16: sum += qlp_coeff[15] * data[i-16]; /* Falls through. */ + case 15: sum += qlp_coeff[14] * data[i-15]; /* Falls through. */ + case 14: sum += qlp_coeff[13] * data[i-14]; /* Falls through. */ + case 13: sum += qlp_coeff[12] * data[i-13]; + sum += qlp_coeff[11] * data[i-12]; + sum += qlp_coeff[10] * data[i-11]; + sum += qlp_coeff[ 9] * data[i-10]; + sum += qlp_coeff[ 8] * data[i- 9]; + sum += qlp_coeff[ 7] * data[i- 8]; + sum += qlp_coeff[ 6] * data[i- 7]; + sum += qlp_coeff[ 5] * data[i- 6]; + sum += qlp_coeff[ 4] * data[i- 5]; + sum += qlp_coeff[ 3] * data[i- 4]; + sum += qlp_coeff[ 2] * data[i- 3]; + sum += qlp_coeff[ 1] * data[i- 2]; + sum += qlp_coeff[ 0] * data[i- 1]; + } + residual[i] = data[i] - (sum >> lp_quantization); + } + } +} + +#if defined FLAC__CPU_IA32 /* unused for x86_64 */ + +FLAC__SSE_TARGET("sse2") +void FLAC__lpc_compute_residual_from_qlp_coefficients_intrin_sse2(const FLAC__int32 *data, uint32_t data_len, const FLAC__int32 qlp_coeff[], uint32_t order, int lp_quantization, FLAC__int32 residual[]) +{ + int i; + + FLAC__ASSERT(order > 0); + FLAC__ASSERT(order <= 32); + + if(order <= 12) { + if(order > 8) { /* order == 9, 10, 11, 12 */ + if(order > 10) { /* order == 11, 12 */ + if(order == 12) { + __m128i xmm0, xmm1, xmm2, xmm3, xmm4, xmm5, xmm6, xmm7; + xmm0 = _mm_loadl_epi64((const __m128i*)(const void*)(qlp_coeff+0)); // 0 0 q[1] q[0] + xmm1 = _mm_loadl_epi64((const __m128i*)(const void*)(qlp_coeff+2)); // 0 0 q[3] q[2] + xmm2 = _mm_loadl_epi64((const __m128i*)(const void*)(qlp_coeff+4)); // 0 0 q[5] q[4] + xmm3 = _mm_loadl_epi64((const __m128i*)(const void*)(qlp_coeff+6)); // 0 0 q[7] q[6] + xmm4 = _mm_loadl_epi64((const __m128i*)(const void*)(qlp_coeff+8)); // 0 0 q[9] q[8] + xmm5 = _mm_loadl_epi64((const __m128i*)(const void*)(qlp_coeff+10)); // 0 0 q[11] q[10] + + xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0)); // 0 q[1] 0 q[0] + xmm1 = _mm_shuffle_epi32(xmm1, _MM_SHUFFLE(3,1,2,0)); // 0 q[3] 0 q[2] + xmm2 = _mm_shuffle_epi32(xmm2, _MM_SHUFFLE(3,1,2,0)); // 0 q[5] 0 q[4] + xmm3 = _mm_shuffle_epi32(xmm3, _MM_SHUFFLE(3,1,2,0)); // 0 q[7] 0 q[6] + xmm4 = _mm_shuffle_epi32(xmm4, _MM_SHUFFLE(3,1,2,0)); // 0 q[9] 0 q[8] + xmm5 = _mm_shuffle_epi32(xmm5, _MM_SHUFFLE(3,1,2,0)); // 0 q[11] 0 q[10] + + for(i = 0; i < (int)data_len; i++) { + //sum = 0; + //sum += qlp_coeff[11] * data[i-12]; + //sum += qlp_coeff[10] * data[i-11]; + xmm7 = _mm_loadl_epi64((const __m128i*)(const void*)(data+i-12)); // 0 0 d[i-11] d[i-12] + xmm7 = _mm_shuffle_epi32(xmm7, _MM_SHUFFLE(2,0,3,1)); // 0 d[i-12] 0 d[i-11] + xmm7 = _mm_mul_epu32(xmm7, xmm5); /* we use _unsigned_ multiplication and discard high dword of the result values */ + + //sum += qlp_coeff[9] * data[i-10]; + //sum += qlp_coeff[8] * data[i-9]; + xmm6 = _mm_loadl_epi64((const __m128i*)(const void*)(data+i-10)); + xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1)); + xmm6 = _mm_mul_epu32(xmm6, xmm4); + xmm7 = _mm_add_epi32(xmm7, xmm6); + + //sum += qlp_coeff[7] * data[i-8]; + //sum += qlp_coeff[6] * data[i-7]; + xmm6 = _mm_loadl_epi64((const __m128i*)(const void*)(data+i-8)); + xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1)); + xmm6 = _mm_mul_epu32(xmm6, xmm3); + xmm7 = _mm_add_epi32(xmm7, xmm6); + + //sum += qlp_coeff[5] * data[i-6]; + //sum += qlp_coeff[4] * data[i-5]; + xmm6 = _mm_loadl_epi64((const __m128i*)(const void*)(data+i-6)); + xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1)); + xmm6 = _mm_mul_epu32(xmm6, xmm2); + xmm7 = _mm_add_epi32(xmm7, xmm6); + + //sum += qlp_coeff[3] * data[i-4]; + //sum += qlp_coeff[2] * data[i-3]; + xmm6 = _mm_loadl_epi64((const __m128i*)(const void*)(data+i-4)); + xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1)); + xmm6 = _mm_mul_epu32(xmm6, xmm1); + xmm7 = _mm_add_epi32(xmm7, xmm6); + + //sum += qlp_coeff[1] * data[i-2]; + //sum += qlp_coeff[0] * data[i-1]; + xmm6 = _mm_loadl_epi64((const __m128i*)(const void*)(data+i-2)); + xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1)); + xmm6 = _mm_mul_epu32(xmm6, xmm0); + xmm7 = _mm_add_epi32(xmm7, xmm6); + + xmm7 = _mm_add_epi32(xmm7, _mm_srli_si128(xmm7, 8)); + RESIDUAL32_RESULT(xmm7); + } + } + else { /* order == 11 */ + __m128i xmm0, xmm1, xmm2, xmm3, xmm4, xmm5, xmm6, xmm7; + xmm0 = _mm_loadl_epi64((const __m128i*)(const void*)(qlp_coeff+0)); + xmm1 = _mm_loadl_epi64((const __m128i*)(const void*)(qlp_coeff+2)); + xmm2 = _mm_loadl_epi64((const __m128i*)(const void*)(qlp_coeff+4)); + xmm3 = _mm_loadl_epi64((const __m128i*)(const void*)(qlp_coeff+6)); + xmm4 = _mm_loadl_epi64((const __m128i*)(const void*)(qlp_coeff+8)); + xmm5 = _mm_cvtsi32_si128(qlp_coeff[10]); + + xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0)); + xmm1 = _mm_shuffle_epi32(xmm1, _MM_SHUFFLE(3,1,2,0)); + xmm2 = _mm_shuffle_epi32(xmm2, _MM_SHUFFLE(3,1,2,0)); + xmm3 = _mm_shuffle_epi32(xmm3, _MM_SHUFFLE(3,1,2,0)); + xmm4 = _mm_shuffle_epi32(xmm4, _MM_SHUFFLE(3,1,2,0)); + + for(i = 0; i < (int)data_len; i++) { + //sum = 0; + //sum = qlp_coeff[10] * data[i-11]; + xmm7 = _mm_cvtsi32_si128(data[i-11]); + xmm7 = _mm_mul_epu32(xmm7, xmm5); + + //sum += qlp_coeff[9] * data[i-10]; + //sum += qlp_coeff[8] * data[i-9]; + xmm6 = _mm_loadl_epi64((const __m128i*)(const void*)(data+i-10)); + xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1)); + xmm6 = _mm_mul_epu32(xmm6, xmm4); + xmm7 = _mm_add_epi32(xmm7, xmm6); + + //sum += qlp_coeff[7] * data[i-8]; + //sum += qlp_coeff[6] * data[i-7]; + xmm6 = _mm_loadl_epi64((const __m128i*)(const void*)(data+i-8)); + xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1)); + xmm6 = _mm_mul_epu32(xmm6, xmm3); + xmm7 = _mm_add_epi32(xmm7, xmm6); + + //sum += qlp_coeff[5] * data[i-6]; + //sum += qlp_coeff[4] * data[i-5]; + xmm6 = _mm_loadl_epi64((const __m128i*)(const void*)(data+i-6)); + xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1)); + xmm6 = _mm_mul_epu32(xmm6, xmm2); + xmm7 = _mm_add_epi32(xmm7, xmm6); + + //sum += qlp_coeff[3] * data[i-4]; + //sum += qlp_coeff[2] * data[i-3]; + xmm6 = _mm_loadl_epi64((const __m128i*)(const void*)(data+i-4)); + xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1)); + xmm6 = _mm_mul_epu32(xmm6, xmm1); + xmm7 = _mm_add_epi32(xmm7, xmm6); + + //sum += qlp_coeff[1] * data[i-2]; + //sum += qlp_coeff[0] * data[i-1]; + xmm6 = _mm_loadl_epi64((const __m128i*)(const void*)(data+i-2)); + xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1)); + xmm6 = _mm_mul_epu32(xmm6, xmm0); + xmm7 = _mm_add_epi32(xmm7, xmm6); + + xmm7 = _mm_add_epi32(xmm7, _mm_srli_si128(xmm7, 8)); + RESIDUAL32_RESULT(xmm7); + } + } + } + else { /* order == 9, 10 */ + if(order == 10) { + __m128i xmm0, xmm1, xmm2, xmm3, xmm4, xmm6, xmm7; + xmm0 = _mm_loadl_epi64((const __m128i*)(const void*)(qlp_coeff+0)); + xmm1 = _mm_loadl_epi64((const __m128i*)(const void*)(qlp_coeff+2)); + xmm2 = _mm_loadl_epi64((const __m128i*)(const void*)(qlp_coeff+4)); + xmm3 = _mm_loadl_epi64((const __m128i*)(const void*)(qlp_coeff+6)); + xmm4 = _mm_loadl_epi64((const __m128i*)(const void*)(qlp_coeff+8)); + + xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0)); + xmm1 = _mm_shuffle_epi32(xmm1, _MM_SHUFFLE(3,1,2,0)); + xmm2 = _mm_shuffle_epi32(xmm2, _MM_SHUFFLE(3,1,2,0)); + xmm3 = _mm_shuffle_epi32(xmm3, _MM_SHUFFLE(3,1,2,0)); + xmm4 = _mm_shuffle_epi32(xmm4, _MM_SHUFFLE(3,1,2,0)); + + for(i = 0; i < (int)data_len; i++) { + //sum = 0; + //sum += qlp_coeff[9] * data[i-10]; + //sum += qlp_coeff[8] * data[i-9]; + xmm7 = _mm_loadl_epi64((const __m128i*)(const void*)(data+i-10)); + xmm7 = _mm_shuffle_epi32(xmm7, _MM_SHUFFLE(2,0,3,1)); + xmm7 = _mm_mul_epu32(xmm7, xmm4); + + //sum += qlp_coeff[7] * data[i-8]; + //sum += qlp_coeff[6] * data[i-7]; + xmm6 = _mm_loadl_epi64((const __m128i*)(const void*)(data+i-8)); + xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1)); + xmm6 = _mm_mul_epu32(xmm6, xmm3); + xmm7 = _mm_add_epi32(xmm7, xmm6); + + //sum += qlp_coeff[5] * data[i-6]; + //sum += qlp_coeff[4] * data[i-5]; + xmm6 = _mm_loadl_epi64((const __m128i*)(const void*)(data+i-6)); + xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1)); + xmm6 = _mm_mul_epu32(xmm6, xmm2); + xmm7 = _mm_add_epi32(xmm7, xmm6); + + //sum += qlp_coeff[3] * data[i-4]; + //sum += qlp_coeff[2] * data[i-3]; + xmm6 = _mm_loadl_epi64((const __m128i*)(const void*)(data+i-4)); + xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1)); + xmm6 = _mm_mul_epu32(xmm6, xmm1); + xmm7 = _mm_add_epi32(xmm7, xmm6); + + //sum += qlp_coeff[1] * data[i-2]; + //sum += qlp_coeff[0] * data[i-1]; + xmm6 = _mm_loadl_epi64((const __m128i*)(const void*)(data+i-2)); + xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1)); + xmm6 = _mm_mul_epu32(xmm6, xmm0); + xmm7 = _mm_add_epi32(xmm7, xmm6); + + xmm7 = _mm_add_epi32(xmm7, _mm_srli_si128(xmm7, 8)); + RESIDUAL32_RESULT(xmm7); + } + } + else { /* order == 9 */ + __m128i xmm0, xmm1, xmm2, xmm3, xmm4, xmm6, xmm7; + xmm0 = _mm_loadl_epi64((const __m128i*)(const void*)(qlp_coeff+0)); + xmm1 = _mm_loadl_epi64((const __m128i*)(const void*)(qlp_coeff+2)); + xmm2 = _mm_loadl_epi64((const __m128i*)(const void*)(qlp_coeff+4)); + xmm3 = _mm_loadl_epi64((const __m128i*)(const void*)(qlp_coeff+6)); + xmm4 = _mm_cvtsi32_si128(qlp_coeff[8]); + + xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0)); + xmm1 = _mm_shuffle_epi32(xmm1, _MM_SHUFFLE(3,1,2,0)); + xmm2 = _mm_shuffle_epi32(xmm2, _MM_SHUFFLE(3,1,2,0)); + xmm3 = _mm_shuffle_epi32(xmm3, _MM_SHUFFLE(3,1,2,0)); + + for(i = 0; i < (int)data_len; i++) { + //sum = 0; + //sum = qlp_coeff[8] * data[i-9]; + xmm7 = _mm_cvtsi32_si128(data[i-9]); + xmm7 = _mm_mul_epu32(xmm7, xmm4); + + //sum += qlp_coeff[7] * data[i-8]; + //sum += qlp_coeff[6] * data[i-7]; + xmm6 = _mm_loadl_epi64((const __m128i*)(const void*)(data+i-8)); + xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1)); + xmm6 = _mm_mul_epu32(xmm6, xmm3); + xmm7 = _mm_add_epi32(xmm7, xmm6); + + //sum += qlp_coeff[5] * data[i-6]; + //sum += qlp_coeff[4] * data[i-5]; + xmm6 = _mm_loadl_epi64((const __m128i*)(const void*)(data+i-6)); + xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1)); + xmm6 = _mm_mul_epu32(xmm6, xmm2); + xmm7 = _mm_add_epi32(xmm7, xmm6); + + //sum += qlp_coeff[3] * data[i-4]; + //sum += qlp_coeff[2] * data[i-3]; + xmm6 = _mm_loadl_epi64((const __m128i*)(const void*)(data+i-4)); + xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1)); + xmm6 = _mm_mul_epu32(xmm6, xmm1); + xmm7 = _mm_add_epi32(xmm7, xmm6); + + //sum += qlp_coeff[1] * data[i-2]; + //sum += qlp_coeff[0] * data[i-1]; + xmm6 = _mm_loadl_epi64((const __m128i*)(const void*)(data+i-2)); + xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1)); + xmm6 = _mm_mul_epu32(xmm6, xmm0); + xmm7 = _mm_add_epi32(xmm7, xmm6); + + xmm7 = _mm_add_epi32(xmm7, _mm_srli_si128(xmm7, 8)); + RESIDUAL32_RESULT(xmm7); + } + } + } + } + else if(order > 4) { /* order == 5, 6, 7, 8 */ + if(order > 6) { /* order == 7, 8 */ + if(order == 8) { + __m128i xmm0, xmm1, xmm2, xmm3, xmm6, xmm7; + xmm0 = _mm_loadl_epi64((const __m128i*)(const void*)(qlp_coeff+0)); + xmm1 = _mm_loadl_epi64((const __m128i*)(const void*)(qlp_coeff+2)); + xmm2 = _mm_loadl_epi64((const __m128i*)(const void*)(qlp_coeff+4)); + xmm3 = _mm_loadl_epi64((const __m128i*)(const void*)(qlp_coeff+6)); + + xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0)); + xmm1 = _mm_shuffle_epi32(xmm1, _MM_SHUFFLE(3,1,2,0)); + xmm2 = _mm_shuffle_epi32(xmm2, _MM_SHUFFLE(3,1,2,0)); + xmm3 = _mm_shuffle_epi32(xmm3, _MM_SHUFFLE(3,1,2,0)); + + for(i = 0; i < (int)data_len; i++) { + //sum = 0; + //sum += qlp_coeff[7] * data[i-8]; + //sum += qlp_coeff[6] * data[i-7]; + xmm7 = _mm_loadl_epi64((const __m128i*)(const void*)(data+i-8)); + xmm7 = _mm_shuffle_epi32(xmm7, _MM_SHUFFLE(2,0,3,1)); + xmm7 = _mm_mul_epu32(xmm7, xmm3); + + //sum += qlp_coeff[5] * data[i-6]; + //sum += qlp_coeff[4] * data[i-5]; + xmm6 = _mm_loadl_epi64((const __m128i*)(const void*)(data+i-6)); + xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1)); + xmm6 = _mm_mul_epu32(xmm6, xmm2); + xmm7 = _mm_add_epi32(xmm7, xmm6); + + //sum += qlp_coeff[3] * data[i-4]; + //sum += qlp_coeff[2] * data[i-3]; + xmm6 = _mm_loadl_epi64((const __m128i*)(const void*)(data+i-4)); + xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1)); + xmm6 = _mm_mul_epu32(xmm6, xmm1); + xmm7 = _mm_add_epi32(xmm7, xmm6); + + //sum += qlp_coeff[1] * data[i-2]; + //sum += qlp_coeff[0] * data[i-1]; + xmm6 = _mm_loadl_epi64((const __m128i*)(const void*)(data+i-2)); + xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1)); + xmm6 = _mm_mul_epu32(xmm6, xmm0); + xmm7 = _mm_add_epi32(xmm7, xmm6); + + xmm7 = _mm_add_epi32(xmm7, _mm_srli_si128(xmm7, 8)); + RESIDUAL32_RESULT(xmm7); + } + } + else { /* order == 7 */ + __m128i xmm0, xmm1, xmm2, xmm3, xmm6, xmm7; + xmm0 = _mm_loadl_epi64((const __m128i*)(const void*)(qlp_coeff+0)); + xmm1 = _mm_loadl_epi64((const __m128i*)(const void*)(qlp_coeff+2)); + xmm2 = _mm_loadl_epi64((const __m128i*)(const void*)(qlp_coeff+4)); + xmm3 = _mm_cvtsi32_si128(qlp_coeff[6]); + + xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0)); + xmm1 = _mm_shuffle_epi32(xmm1, _MM_SHUFFLE(3,1,2,0)); + xmm2 = _mm_shuffle_epi32(xmm2, _MM_SHUFFLE(3,1,2,0)); + + for(i = 0; i < (int)data_len; i++) { + //sum = 0; + //sum = qlp_coeff[6] * data[i-7]; + xmm7 = _mm_cvtsi32_si128(data[i-7]); + xmm7 = _mm_mul_epu32(xmm7, xmm3); + + //sum += qlp_coeff[5] * data[i-6]; + //sum += qlp_coeff[4] * data[i-5]; + xmm6 = _mm_loadl_epi64((const __m128i*)(const void*)(data+i-6)); + xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1)); + xmm6 = _mm_mul_epu32(xmm6, xmm2); + xmm7 = _mm_add_epi32(xmm7, xmm6); + + //sum += qlp_coeff[3] * data[i-4]; + //sum += qlp_coeff[2] * data[i-3]; + xmm6 = _mm_loadl_epi64((const __m128i*)(const void*)(data+i-4)); + xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1)); + xmm6 = _mm_mul_epu32(xmm6, xmm1); + xmm7 = _mm_add_epi32(xmm7, xmm6); + + //sum += qlp_coeff[1] * data[i-2]; + //sum += qlp_coeff[0] * data[i-1]; + xmm6 = _mm_loadl_epi64((const __m128i*)(const void*)(data+i-2)); + xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1)); + xmm6 = _mm_mul_epu32(xmm6, xmm0); + xmm7 = _mm_add_epi32(xmm7, xmm6); + + xmm7 = _mm_add_epi32(xmm7, _mm_srli_si128(xmm7, 8)); + RESIDUAL32_RESULT(xmm7); + } + } + } + else { /* order == 5, 6 */ + if(order == 6) { + __m128i xmm0, xmm1, xmm2, xmm6, xmm7; + xmm0 = _mm_loadl_epi64((const __m128i*)(const void*)(qlp_coeff+0)); + xmm1 = _mm_loadl_epi64((const __m128i*)(const void*)(qlp_coeff+2)); + xmm2 = _mm_loadl_epi64((const __m128i*)(const void*)(qlp_coeff+4)); + + xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0)); + xmm1 = _mm_shuffle_epi32(xmm1, _MM_SHUFFLE(3,1,2,0)); + xmm2 = _mm_shuffle_epi32(xmm2, _MM_SHUFFLE(3,1,2,0)); + + for(i = 0; i < (int)data_len; i++) { + //sum = 0; + //sum += qlp_coeff[5] * data[i-6]; + //sum += qlp_coeff[4] * data[i-5]; + xmm7 = _mm_loadl_epi64((const __m128i*)(const void*)(data+i-6)); + xmm7 = _mm_shuffle_epi32(xmm7, _MM_SHUFFLE(2,0,3,1)); + xmm7 = _mm_mul_epu32(xmm7, xmm2); + + //sum += qlp_coeff[3] * data[i-4]; + //sum += qlp_coeff[2] * data[i-3]; + xmm6 = _mm_loadl_epi64((const __m128i*)(const void*)(data+i-4)); + xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1)); + xmm6 = _mm_mul_epu32(xmm6, xmm1); + xmm7 = _mm_add_epi32(xmm7, xmm6); + + //sum += qlp_coeff[1] * data[i-2]; + //sum += qlp_coeff[0] * data[i-1]; + xmm6 = _mm_loadl_epi64((const __m128i*)(const void*)(data+i-2)); + xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1)); + xmm6 = _mm_mul_epu32(xmm6, xmm0); + xmm7 = _mm_add_epi32(xmm7, xmm6); + + xmm7 = _mm_add_epi32(xmm7, _mm_srli_si128(xmm7, 8)); + RESIDUAL32_RESULT(xmm7); + } + } + else { /* order == 5 */ + __m128i xmm0, xmm1, xmm2, xmm6, xmm7; + xmm0 = _mm_loadl_epi64((const __m128i*)(const void*)(qlp_coeff+0)); + xmm1 = _mm_loadl_epi64((const __m128i*)(const void*)(qlp_coeff+2)); + xmm2 = _mm_cvtsi32_si128(qlp_coeff[4]); + + xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0)); + xmm1 = _mm_shuffle_epi32(xmm1, _MM_SHUFFLE(3,1,2,0)); + + for(i = 0; i < (int)data_len; i++) { + //sum = 0; + //sum = qlp_coeff[4] * data[i-5]; + xmm7 = _mm_cvtsi32_si128(data[i-5]); + xmm7 = _mm_mul_epu32(xmm7, xmm2); + + //sum += qlp_coeff[3] * data[i-4]; + //sum += qlp_coeff[2] * data[i-3]; + xmm6 = _mm_loadl_epi64((const __m128i*)(const void*)(data+i-4)); + xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1)); + xmm6 = _mm_mul_epu32(xmm6, xmm1); + xmm7 = _mm_add_epi32(xmm7, xmm6); + + //sum += qlp_coeff[1] * data[i-2]; + //sum += qlp_coeff[0] * data[i-1]; + xmm6 = _mm_loadl_epi64((const __m128i*)(const void*)(data+i-2)); + xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1)); + xmm6 = _mm_mul_epu32(xmm6, xmm0); + xmm7 = _mm_add_epi32(xmm7, xmm6); + + xmm7 = _mm_add_epi32(xmm7, _mm_srli_si128(xmm7, 8)); + RESIDUAL32_RESULT(xmm7); + } + } + } + } + else { /* order == 1, 2, 3, 4 */ + if(order > 2) { /* order == 3, 4 */ + if(order == 4) { + __m128i xmm0, xmm1, xmm6, xmm7; + xmm0 = _mm_loadl_epi64((const __m128i*)(const void*)(qlp_coeff+0)); + xmm1 = _mm_loadl_epi64((const __m128i*)(const void*)(qlp_coeff+2)); + + xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0)); + xmm1 = _mm_shuffle_epi32(xmm1, _MM_SHUFFLE(3,1,2,0)); + + for(i = 0; i < (int)data_len; i++) { + //sum = 0; + //sum += qlp_coeff[3] * data[i-4]; + //sum += qlp_coeff[2] * data[i-3]; + xmm7 = _mm_loadl_epi64((const __m128i*)(const void*)(data+i-4)); + xmm7 = _mm_shuffle_epi32(xmm7, _MM_SHUFFLE(2,0,3,1)); + xmm7 = _mm_mul_epu32(xmm7, xmm1); + + //sum += qlp_coeff[1] * data[i-2]; + //sum += qlp_coeff[0] * data[i-1]; + xmm6 = _mm_loadl_epi64((const __m128i*)(const void*)(data+i-2)); + xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1)); + xmm6 = _mm_mul_epu32(xmm6, xmm0); + xmm7 = _mm_add_epi32(xmm7, xmm6); + + xmm7 = _mm_add_epi32(xmm7, _mm_srli_si128(xmm7, 8)); + RESIDUAL32_RESULT(xmm7); + } + } + else { /* order == 3 */ + __m128i xmm0, xmm1, xmm6, xmm7; + xmm0 = _mm_loadl_epi64((const __m128i*)(const void*)(qlp_coeff+0)); + xmm1 = _mm_cvtsi32_si128(qlp_coeff[2]); + + xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0)); + + for(i = 0; i < (int)data_len; i++) { + //sum = 0; + //sum = qlp_coeff[2] * data[i-3]; + xmm7 = _mm_cvtsi32_si128(data[i-3]); + xmm7 = _mm_mul_epu32(xmm7, xmm1); + + //sum += qlp_coeff[1] * data[i-2]; + //sum += qlp_coeff[0] * data[i-1]; + xmm6 = _mm_loadl_epi64((const __m128i*)(const void*)(data+i-2)); + xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1)); + xmm6 = _mm_mul_epu32(xmm6, xmm0); + xmm7 = _mm_add_epi32(xmm7, xmm6); + + xmm7 = _mm_add_epi32(xmm7, _mm_srli_si128(xmm7, 8)); + RESIDUAL32_RESULT(xmm7); + } + } + } + else { /* order == 1, 2 */ + if(order == 2) { + __m128i xmm0, xmm7; + xmm0 = _mm_loadl_epi64((const __m128i*)(const void*)(qlp_coeff+0)); + xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0)); + + for(i = 0; i < (int)data_len; i++) { + //sum = 0; + //sum += qlp_coeff[1] * data[i-2]; + //sum += qlp_coeff[0] * data[i-1]; + xmm7 = _mm_loadl_epi64((const __m128i*)(const void*)(data+i-2)); + xmm7 = _mm_shuffle_epi32(xmm7, _MM_SHUFFLE(2,0,3,1)); + xmm7 = _mm_mul_epu32(xmm7, xmm0); + + xmm7 = _mm_add_epi32(xmm7, _mm_srli_si128(xmm7, 8)); + RESIDUAL32_RESULT(xmm7); + } + } + else { /* order == 1 */ + for(i = 0; i < (int)data_len; i++) + residual[i] = data[i] - ((qlp_coeff[0] * data[i-1]) >> lp_quantization); + } + } + } + } + else { /* order > 12 */ + FLAC__int32 sum; + for(i = 0; i < (int)data_len; i++) { + sum = 0; + switch(order) { + case 32: sum += qlp_coeff[31] * data[i-32]; /* Falls through. */ + case 31: sum += qlp_coeff[30] * data[i-31]; /* Falls through. */ + case 30: sum += qlp_coeff[29] * data[i-30]; /* Falls through. */ + case 29: sum += qlp_coeff[28] * data[i-29]; /* Falls through. */ + case 28: sum += qlp_coeff[27] * data[i-28]; /* Falls through. */ + case 27: sum += qlp_coeff[26] * data[i-27]; /* Falls through. */ + case 26: sum += qlp_coeff[25] * data[i-26]; /* Falls through. */ + case 25: sum += qlp_coeff[24] * data[i-25]; /* Falls through. */ + case 24: sum += qlp_coeff[23] * data[i-24]; /* Falls through. */ + case 23: sum += qlp_coeff[22] * data[i-23]; /* Falls through. */ + case 22: sum += qlp_coeff[21] * data[i-22]; /* Falls through. */ + case 21: sum += qlp_coeff[20] * data[i-21]; /* Falls through. */ + case 20: sum += qlp_coeff[19] * data[i-20]; /* Falls through. */ + case 19: sum += qlp_coeff[18] * data[i-19]; /* Falls through. */ + case 18: sum += qlp_coeff[17] * data[i-18]; /* Falls through. */ + case 17: sum += qlp_coeff[16] * data[i-17]; /* Falls through. */ + case 16: sum += qlp_coeff[15] * data[i-16]; /* Falls through. */ + case 15: sum += qlp_coeff[14] * data[i-15]; /* Falls through. */ + case 14: sum += qlp_coeff[13] * data[i-14]; /* Falls through. */ + case 13: sum += qlp_coeff[12] * data[i-13]; + sum += qlp_coeff[11] * data[i-12]; + sum += qlp_coeff[10] * data[i-11]; + sum += qlp_coeff[ 9] * data[i-10]; + sum += qlp_coeff[ 8] * data[i- 9]; + sum += qlp_coeff[ 7] * data[i- 8]; + sum += qlp_coeff[ 6] * data[i- 7]; + sum += qlp_coeff[ 5] * data[i- 6]; + sum += qlp_coeff[ 4] * data[i- 5]; + sum += qlp_coeff[ 3] * data[i- 4]; + sum += qlp_coeff[ 2] * data[i- 3]; + sum += qlp_coeff[ 1] * data[i- 2]; + sum += qlp_coeff[ 0] * data[i- 1]; + } + residual[i] = data[i] - (sum >> lp_quantization); + } + } +} + +#endif /* FLAC__CPU_IA32 */ +#endif /* FLAC__SSE2_SUPPORTED */ +#endif /* (FLAC__CPU_IA32 || FLAC__CPU_X86_64) && FLAC__HAS_X86INTRIN */ +#endif /* FLAC__NO_ASM */ +#endif /* FLAC__INTEGER_ONLY_LIBRARY */ diff --git a/src/libFLAC/lpc_intrin_sse41.c b/src/libFLAC/lpc_intrin_sse41.c new file mode 100644 index 0000000..756c5dd --- /dev/null +++ b/src/libFLAC/lpc_intrin_sse41.c @@ -0,0 +1,950 @@ +/* libFLAC - Free Lossless Audio Codec library + * Copyright (C) 2000-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * - Neither the name of the Xiph.org Foundation nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include "private/cpu.h" + +#ifndef FLAC__INTEGER_ONLY_LIBRARY +#ifndef FLAC__NO_ASM +#if (defined FLAC__CPU_IA32 || defined FLAC__CPU_X86_64) && FLAC__HAS_X86INTRIN +#include "private/lpc.h" +#ifdef FLAC__SSE4_1_SUPPORTED + +#include "FLAC/assert.h" +#include "FLAC/format.h" + +#include <smmintrin.h> /* SSE4.1 */ + +#if defined FLAC__CPU_IA32 /* unused for x64 */ + +#define RESIDUAL64_RESULT(xmmN) residual[i] = data[i] - _mm_cvtsi128_si32(_mm_srl_epi64(xmmN, cnt)) +#define RESIDUAL64_RESULT1(xmmN) residual[i] = data[i] - _mm_cvtsi128_si32(_mm_srli_epi64(xmmN, lp_quantization)) + +FLAC__SSE_TARGET("sse4.1") +void FLAC__lpc_compute_residual_from_qlp_coefficients_wide_intrin_sse41(const FLAC__int32 *data, uint32_t data_len, const FLAC__int32 qlp_coeff[], uint32_t order, int lp_quantization, FLAC__int32 residual[]) +{ + int i; + const __m128i cnt = _mm_cvtsi32_si128(lp_quantization); + + FLAC__ASSERT(order > 0); + FLAC__ASSERT(order <= 32); + FLAC__ASSERT(lp_quantization <= 32); /* there's no _mm_sra_epi64() so we have to use _mm_srl_epi64() */ + + if(order <= 12) { + if(order > 8) { /* order == 9, 10, 11, 12 */ + if(order > 10) { /* order == 11, 12 */ + if(order == 12) { + __m128i xmm0, xmm1, xmm2, xmm3, xmm4, xmm5, xmm6, xmm7; + xmm0 = _mm_loadl_epi64((const __m128i*)(const void*)(qlp_coeff+0)); // 0 0 q[1] q[0] + xmm1 = _mm_loadl_epi64((const __m128i*)(const void*)(qlp_coeff+2)); // 0 0 q[3] q[2] + xmm2 = _mm_loadl_epi64((const __m128i*)(const void*)(qlp_coeff+4)); // 0 0 q[5] q[4] + xmm3 = _mm_loadl_epi64((const __m128i*)(const void*)(qlp_coeff+6)); // 0 0 q[7] q[6] + xmm4 = _mm_loadl_epi64((const __m128i*)(const void*)(qlp_coeff+8)); // 0 0 q[9] q[8] + xmm5 = _mm_loadl_epi64((const __m128i*)(const void*)(qlp_coeff+10)); // 0 0 q[11] q[10] + + xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0)); // 0 q[1] 0 q[0] + xmm1 = _mm_shuffle_epi32(xmm1, _MM_SHUFFLE(3,1,2,0)); // 0 q[3] 0 q[2] + xmm2 = _mm_shuffle_epi32(xmm2, _MM_SHUFFLE(3,1,2,0)); // 0 q[5] 0 q[4] + xmm3 = _mm_shuffle_epi32(xmm3, _MM_SHUFFLE(3,1,2,0)); // 0 q[7] 0 q[6] + xmm4 = _mm_shuffle_epi32(xmm4, _MM_SHUFFLE(3,1,2,0)); // 0 q[9] 0 q[8] + xmm5 = _mm_shuffle_epi32(xmm5, _MM_SHUFFLE(3,1,2,0)); // 0 q[11] 0 q[10] + + for(i = 0; i < (int)data_len; i++) { + //sum = 0; + //sum += qlp_coeff[11] * (FLAC__int64)data[i-12]; + //sum += qlp_coeff[10] * (FLAC__int64)data[i-11]; + xmm7 = _mm_loadl_epi64((const __m128i*)(const void*)(data+i-12)); // 0 0 d[i-11] d[i-12] + xmm7 = _mm_shuffle_epi32(xmm7, _MM_SHUFFLE(2,0,3,1)); // 0 d[i-12] 0 d[i-11] + xmm7 = _mm_mul_epi32(xmm7, xmm5); + + //sum += qlp_coeff[9] * (FLAC__int64)data[i-10]; + //sum += qlp_coeff[8] * (FLAC__int64)data[i-9]; + xmm6 = _mm_loadl_epi64((const __m128i*)(const void*)(data+i-10)); + xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1)); + xmm6 = _mm_mul_epi32(xmm6, xmm4); + xmm7 = _mm_add_epi64(xmm7, xmm6); + + //sum += qlp_coeff[7] * (FLAC__int64)data[i-8]; + //sum += qlp_coeff[6] * (FLAC__int64)data[i-7]; + xmm6 = _mm_loadl_epi64((const __m128i*)(const void*)(data+i-8)); + xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1)); + xmm6 = _mm_mul_epi32(xmm6, xmm3); + xmm7 = _mm_add_epi64(xmm7, xmm6); + + //sum += qlp_coeff[5] * (FLAC__int64)data[i-6]; + //sum += qlp_coeff[4] * (FLAC__int64)data[i-5]; + xmm6 = _mm_loadl_epi64((const __m128i*)(const void*)(data+i-6)); + xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1)); + xmm6 = _mm_mul_epi32(xmm6, xmm2); + xmm7 = _mm_add_epi64(xmm7, xmm6); + + //sum += qlp_coeff[3] * (FLAC__int64)data[i-4]; + //sum += qlp_coeff[2] * (FLAC__int64)data[i-3]; + xmm6 = _mm_loadl_epi64((const __m128i*)(const void*)(data+i-4)); + xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1)); + xmm6 = _mm_mul_epi32(xmm6, xmm1); + xmm7 = _mm_add_epi64(xmm7, xmm6); + + //sum += qlp_coeff[1] * (FLAC__int64)data[i-2]; + //sum += qlp_coeff[0] * (FLAC__int64)data[i-1]; + xmm6 = _mm_loadl_epi64((const __m128i*)(const void*)(data+i-2)); + xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1)); + xmm6 = _mm_mul_epi32(xmm6, xmm0); + xmm7 = _mm_add_epi64(xmm7, xmm6); + + xmm7 = _mm_add_epi64(xmm7, _mm_srli_si128(xmm7, 8)); + RESIDUAL64_RESULT1(xmm7); + } + } + else { /* order == 11 */ + __m128i xmm0, xmm1, xmm2, xmm3, xmm4, xmm5, xmm6, xmm7; + xmm0 = _mm_loadl_epi64((const __m128i*)(const void*)(qlp_coeff+0)); + xmm1 = _mm_loadl_epi64((const __m128i*)(const void*)(qlp_coeff+2)); + xmm2 = _mm_loadl_epi64((const __m128i*)(const void*)(qlp_coeff+4)); + xmm3 = _mm_loadl_epi64((const __m128i*)(const void*)(qlp_coeff+6)); + xmm4 = _mm_loadl_epi64((const __m128i*)(const void*)(qlp_coeff+8)); + xmm5 = _mm_cvtsi32_si128(qlp_coeff[10]); + + xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0)); + xmm1 = _mm_shuffle_epi32(xmm1, _MM_SHUFFLE(3,1,2,0)); + xmm2 = _mm_shuffle_epi32(xmm2, _MM_SHUFFLE(3,1,2,0)); + xmm3 = _mm_shuffle_epi32(xmm3, _MM_SHUFFLE(3,1,2,0)); + xmm4 = _mm_shuffle_epi32(xmm4, _MM_SHUFFLE(3,1,2,0)); + + for(i = 0; i < (int)data_len; i++) { + //sum = 0; + //sum = qlp_coeff[10] * (FLAC__int64)data[i-11]; + xmm7 = _mm_cvtsi32_si128(data[i-11]); + xmm7 = _mm_mul_epi32(xmm7, xmm5); + + //sum += qlp_coeff[9] * (FLAC__int64)data[i-10]; + //sum += qlp_coeff[8] * (FLAC__int64)data[i-9]; + xmm6 = _mm_loadl_epi64((const __m128i*)(const void*)(data+i-10)); + xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1)); + xmm6 = _mm_mul_epi32(xmm6, xmm4); + xmm7 = _mm_add_epi64(xmm7, xmm6); + + //sum += qlp_coeff[7] * (FLAC__int64)data[i-8]; + //sum += qlp_coeff[6] * (FLAC__int64)data[i-7]; + xmm6 = _mm_loadl_epi64((const __m128i*)(const void*)(data+i-8)); + xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1)); + xmm6 = _mm_mul_epi32(xmm6, xmm3); + xmm7 = _mm_add_epi64(xmm7, xmm6); + + //sum += qlp_coeff[5] * (FLAC__int64)data[i-6]; + //sum += qlp_coeff[4] * (FLAC__int64)data[i-5]; + xmm6 = _mm_loadl_epi64((const __m128i*)(const void*)(data+i-6)); + xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1)); + xmm6 = _mm_mul_epi32(xmm6, xmm2); + xmm7 = _mm_add_epi64(xmm7, xmm6); + + //sum += qlp_coeff[3] * (FLAC__int64)data[i-4]; + //sum += qlp_coeff[2] * (FLAC__int64)data[i-3]; + xmm6 = _mm_loadl_epi64((const __m128i*)(const void*)(data+i-4)); + xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1)); + xmm6 = _mm_mul_epi32(xmm6, xmm1); + xmm7 = _mm_add_epi64(xmm7, xmm6); + + //sum += qlp_coeff[1] * (FLAC__int64)data[i-2]; + //sum += qlp_coeff[0] * (FLAC__int64)data[i-1]; + xmm6 = _mm_loadl_epi64((const __m128i*)(const void*)(data+i-2)); + xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1)); + xmm6 = _mm_mul_epi32(xmm6, xmm0); + xmm7 = _mm_add_epi64(xmm7, xmm6); + + xmm7 = _mm_add_epi64(xmm7, _mm_srli_si128(xmm7, 8)); + RESIDUAL64_RESULT1(xmm7); + } + } + } + else { /* order == 9, 10 */ + if(order == 10) { + __m128i xmm0, xmm1, xmm2, xmm3, xmm4, xmm6, xmm7; + xmm0 = _mm_loadl_epi64((const __m128i*)(const void*)(qlp_coeff+0)); + xmm1 = _mm_loadl_epi64((const __m128i*)(const void*)(qlp_coeff+2)); + xmm2 = _mm_loadl_epi64((const __m128i*)(const void*)(qlp_coeff+4)); + xmm3 = _mm_loadl_epi64((const __m128i*)(const void*)(qlp_coeff+6)); + xmm4 = _mm_loadl_epi64((const __m128i*)(const void*)(qlp_coeff+8)); + + xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0)); + xmm1 = _mm_shuffle_epi32(xmm1, _MM_SHUFFLE(3,1,2,0)); + xmm2 = _mm_shuffle_epi32(xmm2, _MM_SHUFFLE(3,1,2,0)); + xmm3 = _mm_shuffle_epi32(xmm3, _MM_SHUFFLE(3,1,2,0)); + xmm4 = _mm_shuffle_epi32(xmm4, _MM_SHUFFLE(3,1,2,0)); + + for(i = 0; i < (int)data_len; i++) { + //sum = 0; + //sum += qlp_coeff[9] * (FLAC__int64)data[i-10]; + //sum += qlp_coeff[8] * (FLAC__int64)data[i-9]; + xmm7 = _mm_loadl_epi64((const __m128i*)(const void*)(data+i-10)); + xmm7 = _mm_shuffle_epi32(xmm7, _MM_SHUFFLE(2,0,3,1)); + xmm7 = _mm_mul_epi32(xmm7, xmm4); + + //sum += qlp_coeff[7] * (FLAC__int64)data[i-8]; + //sum += qlp_coeff[6] * (FLAC__int64)data[i-7]; + xmm6 = _mm_loadl_epi64((const __m128i*)(const void*)(data+i-8)); + xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1)); + xmm6 = _mm_mul_epi32(xmm6, xmm3); + xmm7 = _mm_add_epi64(xmm7, xmm6); + + //sum += qlp_coeff[5] * (FLAC__int64)data[i-6]; + //sum += qlp_coeff[4] * (FLAC__int64)data[i-5]; + xmm6 = _mm_loadl_epi64((const __m128i*)(const void*)(data+i-6)); + xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1)); + xmm6 = _mm_mul_epi32(xmm6, xmm2); + xmm7 = _mm_add_epi64(xmm7, xmm6); + + //sum += qlp_coeff[3] * (FLAC__int64)data[i-4]; + //sum += qlp_coeff[2] * (FLAC__int64)data[i-3]; + xmm6 = _mm_loadl_epi64((const __m128i*)(const void*)(data+i-4)); + xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1)); + xmm6 = _mm_mul_epi32(xmm6, xmm1); + xmm7 = _mm_add_epi64(xmm7, xmm6); + + //sum += qlp_coeff[1] * (FLAC__int64)data[i-2]; + //sum += qlp_coeff[0] * (FLAC__int64)data[i-1]; + xmm6 = _mm_loadl_epi64((const __m128i*)(const void*)(data+i-2)); + xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1)); + xmm6 = _mm_mul_epi32(xmm6, xmm0); + xmm7 = _mm_add_epi64(xmm7, xmm6); + + xmm7 = _mm_add_epi64(xmm7, _mm_srli_si128(xmm7, 8)); + RESIDUAL64_RESULT(xmm7); + } + } + else { /* order == 9 */ + __m128i xmm0, xmm1, xmm2, xmm3, xmm4, xmm6, xmm7; + xmm0 = _mm_loadl_epi64((const __m128i*)(const void*)(qlp_coeff+0)); + xmm1 = _mm_loadl_epi64((const __m128i*)(const void*)(qlp_coeff+2)); + xmm2 = _mm_loadl_epi64((const __m128i*)(const void*)(qlp_coeff+4)); + xmm3 = _mm_loadl_epi64((const __m128i*)(const void*)(qlp_coeff+6)); + xmm4 = _mm_cvtsi32_si128(qlp_coeff[8]); + + xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0)); + xmm1 = _mm_shuffle_epi32(xmm1, _MM_SHUFFLE(3,1,2,0)); + xmm2 = _mm_shuffle_epi32(xmm2, _MM_SHUFFLE(3,1,2,0)); + xmm3 = _mm_shuffle_epi32(xmm3, _MM_SHUFFLE(3,1,2,0)); + + for(i = 0; i < (int)data_len; i++) { + //sum = 0; + //sum = qlp_coeff[8] * (FLAC__int64)data[i-9]; + xmm7 = _mm_cvtsi32_si128(data[i-9]); + xmm7 = _mm_mul_epi32(xmm7, xmm4); + + //sum += qlp_coeff[7] * (FLAC__int64)data[i-8]; + //sum += qlp_coeff[6] * (FLAC__int64)data[i-7]; + xmm6 = _mm_loadl_epi64((const __m128i*)(const void*)(data+i-8)); + xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1)); + xmm6 = _mm_mul_epi32(xmm6, xmm3); + xmm7 = _mm_add_epi64(xmm7, xmm6); + + //sum += qlp_coeff[5] * (FLAC__int64)data[i-6]; + //sum += qlp_coeff[4] * (FLAC__int64)data[i-5]; + xmm6 = _mm_loadl_epi64((const __m128i*)(const void*)(data+i-6)); + xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1)); + xmm6 = _mm_mul_epi32(xmm6, xmm2); + xmm7 = _mm_add_epi64(xmm7, xmm6); + + //sum += qlp_coeff[3] * (FLAC__int64)data[i-4]; + //sum += qlp_coeff[2] * (FLAC__int64)data[i-3]; + xmm6 = _mm_loadl_epi64((const __m128i*)(const void*)(data+i-4)); + xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1)); + xmm6 = _mm_mul_epi32(xmm6, xmm1); + xmm7 = _mm_add_epi64(xmm7, xmm6); + + //sum += qlp_coeff[1] * (FLAC__int64)data[i-2]; + //sum += qlp_coeff[0] * (FLAC__int64)data[i-1]; + xmm6 = _mm_loadl_epi64((const __m128i*)(const void*)(data+i-2)); + xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1)); + xmm6 = _mm_mul_epi32(xmm6, xmm0); + xmm7 = _mm_add_epi64(xmm7, xmm6); + + xmm7 = _mm_add_epi64(xmm7, _mm_srli_si128(xmm7, 8)); + RESIDUAL64_RESULT(xmm7); + } + } + } + } + else if(order > 4) { /* order == 5, 6, 7, 8 */ + if(order > 6) { /* order == 7, 8 */ + if(order == 8) { + __m128i xmm0, xmm1, xmm2, xmm3, xmm6, xmm7; + xmm0 = _mm_loadl_epi64((const __m128i*)(const void*)(qlp_coeff+0)); + xmm1 = _mm_loadl_epi64((const __m128i*)(const void*)(qlp_coeff+2)); + xmm2 = _mm_loadl_epi64((const __m128i*)(const void*)(qlp_coeff+4)); + xmm3 = _mm_loadl_epi64((const __m128i*)(const void*)(qlp_coeff+6)); + + xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0)); + xmm1 = _mm_shuffle_epi32(xmm1, _MM_SHUFFLE(3,1,2,0)); + xmm2 = _mm_shuffle_epi32(xmm2, _MM_SHUFFLE(3,1,2,0)); + xmm3 = _mm_shuffle_epi32(xmm3, _MM_SHUFFLE(3,1,2,0)); + + for(i = 0; i < (int)data_len; i++) { + //sum = 0; + //sum += qlp_coeff[7] * (FLAC__int64)data[i-8]; + //sum += qlp_coeff[6] * (FLAC__int64)data[i-7]; + xmm7 = _mm_loadl_epi64((const __m128i*)(const void*)(data+i-8)); + xmm7 = _mm_shuffle_epi32(xmm7, _MM_SHUFFLE(2,0,3,1)); + xmm7 = _mm_mul_epi32(xmm7, xmm3); + + //sum += qlp_coeff[5] * (FLAC__int64)data[i-6]; + //sum += qlp_coeff[4] * (FLAC__int64)data[i-5]; + xmm6 = _mm_loadl_epi64((const __m128i*)(const void*)(data+i-6)); + xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1)); + xmm6 = _mm_mul_epi32(xmm6, xmm2); + xmm7 = _mm_add_epi64(xmm7, xmm6); + + //sum += qlp_coeff[3] * (FLAC__int64)data[i-4]; + //sum += qlp_coeff[2] * (FLAC__int64)data[i-3]; + xmm6 = _mm_loadl_epi64((const __m128i*)(const void*)(data+i-4)); + xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1)); + xmm6 = _mm_mul_epi32(xmm6, xmm1); + xmm7 = _mm_add_epi64(xmm7, xmm6); + + //sum += qlp_coeff[1] * (FLAC__int64)data[i-2]; + //sum += qlp_coeff[0] * (FLAC__int64)data[i-1]; + xmm6 = _mm_loadl_epi64((const __m128i*)(const void*)(data+i-2)); + xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1)); + xmm6 = _mm_mul_epi32(xmm6, xmm0); + xmm7 = _mm_add_epi64(xmm7, xmm6); + + xmm7 = _mm_add_epi64(xmm7, _mm_srli_si128(xmm7, 8)); + RESIDUAL64_RESULT(xmm7); + } + } + else { /* order == 7 */ + __m128i xmm0, xmm1, xmm2, xmm3, xmm6, xmm7; + xmm0 = _mm_loadl_epi64((const __m128i*)(const void*)(qlp_coeff+0)); + xmm1 = _mm_loadl_epi64((const __m128i*)(const void*)(qlp_coeff+2)); + xmm2 = _mm_loadl_epi64((const __m128i*)(const void*)(qlp_coeff+4)); + xmm3 = _mm_cvtsi32_si128(qlp_coeff[6]); + + xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0)); + xmm1 = _mm_shuffle_epi32(xmm1, _MM_SHUFFLE(3,1,2,0)); + xmm2 = _mm_shuffle_epi32(xmm2, _MM_SHUFFLE(3,1,2,0)); + + for(i = 0; i < (int)data_len; i++) { + //sum = 0; + //sum = qlp_coeff[6] * (FLAC__int64)data[i-7]; + xmm7 = _mm_cvtsi32_si128(data[i-7]); + xmm7 = _mm_mul_epi32(xmm7, xmm3); + + //sum += qlp_coeff[5] * (FLAC__int64)data[i-6]; + //sum += qlp_coeff[4] * (FLAC__int64)data[i-5]; + xmm6 = _mm_loadl_epi64((const __m128i*)(const void*)(data+i-6)); + xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1)); + xmm6 = _mm_mul_epi32(xmm6, xmm2); + xmm7 = _mm_add_epi64(xmm7, xmm6); + + //sum += qlp_coeff[3] * (FLAC__int64)data[i-4]; + //sum += qlp_coeff[2] * (FLAC__int64)data[i-3]; + xmm6 = _mm_loadl_epi64((const __m128i*)(const void*)(data+i-4)); + xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1)); + xmm6 = _mm_mul_epi32(xmm6, xmm1); + xmm7 = _mm_add_epi64(xmm7, xmm6); + + //sum += qlp_coeff[1] * (FLAC__int64)data[i-2]; + //sum += qlp_coeff[0] * (FLAC__int64)data[i-1]; + xmm6 = _mm_loadl_epi64((const __m128i*)(const void*)(data+i-2)); + xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1)); + xmm6 = _mm_mul_epi32(xmm6, xmm0); + xmm7 = _mm_add_epi64(xmm7, xmm6); + + xmm7 = _mm_add_epi64(xmm7, _mm_srli_si128(xmm7, 8)); + RESIDUAL64_RESULT(xmm7); + } + } + } + else { /* order == 5, 6 */ + if(order == 6) { + __m128i xmm0, xmm1, xmm2, xmm6, xmm7; + xmm0 = _mm_loadl_epi64((const __m128i*)(const void*)(qlp_coeff+0)); + xmm1 = _mm_loadl_epi64((const __m128i*)(const void*)(qlp_coeff+2)); + xmm2 = _mm_loadl_epi64((const __m128i*)(const void*)(qlp_coeff+4)); + + xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0)); + xmm1 = _mm_shuffle_epi32(xmm1, _MM_SHUFFLE(3,1,2,0)); + xmm2 = _mm_shuffle_epi32(xmm2, _MM_SHUFFLE(3,1,2,0)); + + for(i = 0; i < (int)data_len; i++) { + //sum = 0; + //sum += qlp_coeff[5] * (FLAC__int64)data[i-6]; + //sum += qlp_coeff[4] * (FLAC__int64)data[i-5]; + xmm7 = _mm_loadl_epi64((const __m128i*)(const void*)(data+i-6)); + xmm7 = _mm_shuffle_epi32(xmm7, _MM_SHUFFLE(2,0,3,1)); + xmm7 = _mm_mul_epi32(xmm7, xmm2); + + //sum += qlp_coeff[3] * (FLAC__int64)data[i-4]; + //sum += qlp_coeff[2] * (FLAC__int64)data[i-3]; + xmm6 = _mm_loadl_epi64((const __m128i*)(const void*)(data+i-4)); + xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1)); + xmm6 = _mm_mul_epi32(xmm6, xmm1); + xmm7 = _mm_add_epi64(xmm7, xmm6); + + //sum += qlp_coeff[1] * (FLAC__int64)data[i-2]; + //sum += qlp_coeff[0] * (FLAC__int64)data[i-1]; + xmm6 = _mm_loadl_epi64((const __m128i*)(const void*)(data+i-2)); + xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1)); + xmm6 = _mm_mul_epi32(xmm6, xmm0); + xmm7 = _mm_add_epi64(xmm7, xmm6); + + xmm7 = _mm_add_epi64(xmm7, _mm_srli_si128(xmm7, 8)); + RESIDUAL64_RESULT(xmm7); + } + } + else { /* order == 5 */ + __m128i xmm0, xmm1, xmm2, xmm6, xmm7; + xmm0 = _mm_loadl_epi64((const __m128i*)(const void*)(qlp_coeff+0)); + xmm1 = _mm_loadl_epi64((const __m128i*)(const void*)(qlp_coeff+2)); + xmm2 = _mm_cvtsi32_si128(qlp_coeff[4]); + + xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0)); + xmm1 = _mm_shuffle_epi32(xmm1, _MM_SHUFFLE(3,1,2,0)); + + for(i = 0; i < (int)data_len; i++) { + //sum = 0; + //sum = qlp_coeff[4] * (FLAC__int64)data[i-5]; + xmm7 = _mm_cvtsi32_si128(data[i-5]); + xmm7 = _mm_mul_epi32(xmm7, xmm2); + + //sum += qlp_coeff[3] * (FLAC__int64)data[i-4]; + //sum += qlp_coeff[2] * (FLAC__int64)data[i-3]; + xmm6 = _mm_loadl_epi64((const __m128i*)(const void*)(data+i-4)); + xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1)); + xmm6 = _mm_mul_epi32(xmm6, xmm1); + xmm7 = _mm_add_epi64(xmm7, xmm6); + + //sum += qlp_coeff[1] * (FLAC__int64)data[i-2]; + //sum += qlp_coeff[0] * (FLAC__int64)data[i-1]; + xmm6 = _mm_loadl_epi64((const __m128i*)(const void*)(data+i-2)); + xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1)); + xmm6 = _mm_mul_epi32(xmm6, xmm0); + xmm7 = _mm_add_epi64(xmm7, xmm6); + + xmm7 = _mm_add_epi64(xmm7, _mm_srli_si128(xmm7, 8)); + RESIDUAL64_RESULT(xmm7); + } + } + } + } + else { /* order == 1, 2, 3, 4 */ + if(order > 2) { /* order == 3, 4 */ + if(order == 4) { + __m128i xmm0, xmm1, xmm6, xmm7; + xmm0 = _mm_loadl_epi64((const __m128i*)(const void*)(qlp_coeff+0)); + xmm1 = _mm_loadl_epi64((const __m128i*)(const void*)(qlp_coeff+2)); + + xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0)); + xmm1 = _mm_shuffle_epi32(xmm1, _MM_SHUFFLE(3,1,2,0)); + + for(i = 0; i < (int)data_len; i++) { + //sum = 0; + //sum += qlp_coeff[3] * (FLAC__int64)data[i-4]; + //sum += qlp_coeff[2] * (FLAC__int64)data[i-3]; + xmm7 = _mm_loadl_epi64((const __m128i*)(const void*)(data+i-4)); + xmm7 = _mm_shuffle_epi32(xmm7, _MM_SHUFFLE(2,0,3,1)); + xmm7 = _mm_mul_epi32(xmm7, xmm1); + + //sum += qlp_coeff[1] * (FLAC__int64)data[i-2]; + //sum += qlp_coeff[0] * (FLAC__int64)data[i-1]; + xmm6 = _mm_loadl_epi64((const __m128i*)(const void*)(data+i-2)); + xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1)); + xmm6 = _mm_mul_epi32(xmm6, xmm0); + xmm7 = _mm_add_epi64(xmm7, xmm6); + + xmm7 = _mm_add_epi64(xmm7, _mm_srli_si128(xmm7, 8)); + RESIDUAL64_RESULT(xmm7); + } + } + else { /* order == 3 */ + __m128i xmm0, xmm1, xmm6, xmm7; + xmm0 = _mm_loadl_epi64((const __m128i*)(const void*)(qlp_coeff+0)); + xmm1 = _mm_cvtsi32_si128(qlp_coeff[2]); + + xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0)); + + for(i = 0; i < (int)data_len; i++) { + //sum = 0; + //sum = qlp_coeff[2] * (FLAC__int64)data[i-3]; + xmm7 = _mm_cvtsi32_si128(data[i-3]); + xmm7 = _mm_mul_epi32(xmm7, xmm1); + + //sum += qlp_coeff[1] * (FLAC__int64)data[i-2]; + //sum += qlp_coeff[0] * (FLAC__int64)data[i-1]; + xmm6 = _mm_loadl_epi64((const __m128i*)(const void*)(data+i-2)); + xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1)); + xmm6 = _mm_mul_epi32(xmm6, xmm0); + xmm7 = _mm_add_epi64(xmm7, xmm6); + + xmm7 = _mm_add_epi64(xmm7, _mm_srli_si128(xmm7, 8)); + RESIDUAL64_RESULT(xmm7); + } + } + } + else { /* order == 1, 2 */ + if(order == 2) { + __m128i xmm0, xmm7; + xmm0 = _mm_loadl_epi64((const __m128i*)(const void*)(qlp_coeff+0)); + xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0)); + + for(i = 0; i < (int)data_len; i++) { + //sum = 0; + //sum += qlp_coeff[1] * (FLAC__int64)data[i-2]; + //sum += qlp_coeff[0] * (FLAC__int64)data[i-1]; + xmm7 = _mm_loadl_epi64((const __m128i*)(const void*)(data+i-2)); + xmm7 = _mm_shuffle_epi32(xmm7, _MM_SHUFFLE(2,0,3,1)); + xmm7 = _mm_mul_epi32(xmm7, xmm0); + + xmm7 = _mm_add_epi64(xmm7, _mm_srli_si128(xmm7, 8)); + RESIDUAL64_RESULT(xmm7); + } + } + else { /* order == 1 */ + __m128i xmm0, xmm7; + xmm0 = _mm_cvtsi32_si128(qlp_coeff[0]); + + for(i = 0; i < (int)data_len; i++) { + //sum = qlp_coeff[0] * (FLAC__int64)data[i-1]; + xmm7 = _mm_cvtsi32_si128(data[i-1]); + xmm7 = _mm_mul_epi32(xmm7, xmm0); + RESIDUAL64_RESULT(xmm7); + } + } + } + } + } + else { /* order > 12 */ + FLAC__int64 sum; + for(i = 0; i < (int)data_len; i++) { + sum = 0; + switch(order) { + case 32: sum += qlp_coeff[31] * (FLAC__int64)data[i-32]; /* Falls through. */ + case 31: sum += qlp_coeff[30] * (FLAC__int64)data[i-31]; /* Falls through. */ + case 30: sum += qlp_coeff[29] * (FLAC__int64)data[i-30]; /* Falls through. */ + case 29: sum += qlp_coeff[28] * (FLAC__int64)data[i-29]; /* Falls through. */ + case 28: sum += qlp_coeff[27] * (FLAC__int64)data[i-28]; /* Falls through. */ + case 27: sum += qlp_coeff[26] * (FLAC__int64)data[i-27]; /* Falls through. */ + case 26: sum += qlp_coeff[25] * (FLAC__int64)data[i-26]; /* Falls through. */ + case 25: sum += qlp_coeff[24] * (FLAC__int64)data[i-25]; /* Falls through. */ + case 24: sum += qlp_coeff[23] * (FLAC__int64)data[i-24]; /* Falls through. */ + case 23: sum += qlp_coeff[22] * (FLAC__int64)data[i-23]; /* Falls through. */ + case 22: sum += qlp_coeff[21] * (FLAC__int64)data[i-22]; /* Falls through. */ + case 21: sum += qlp_coeff[20] * (FLAC__int64)data[i-21]; /* Falls through. */ + case 20: sum += qlp_coeff[19] * (FLAC__int64)data[i-20]; /* Falls through. */ + case 19: sum += qlp_coeff[18] * (FLAC__int64)data[i-19]; /* Falls through. */ + case 18: sum += qlp_coeff[17] * (FLAC__int64)data[i-18]; /* Falls through. */ + case 17: sum += qlp_coeff[16] * (FLAC__int64)data[i-17]; /* Falls through. */ + case 16: sum += qlp_coeff[15] * (FLAC__int64)data[i-16]; /* Falls through. */ + case 15: sum += qlp_coeff[14] * (FLAC__int64)data[i-15]; /* Falls through. */ + case 14: sum += qlp_coeff[13] * (FLAC__int64)data[i-14]; /* Falls through. */ + case 13: sum += qlp_coeff[12] * (FLAC__int64)data[i-13]; + sum += qlp_coeff[11] * (FLAC__int64)data[i-12]; + sum += qlp_coeff[10] * (FLAC__int64)data[i-11]; + sum += qlp_coeff[ 9] * (FLAC__int64)data[i-10]; + sum += qlp_coeff[ 8] * (FLAC__int64)data[i- 9]; + sum += qlp_coeff[ 7] * (FLAC__int64)data[i- 8]; + sum += qlp_coeff[ 6] * (FLAC__int64)data[i- 7]; + sum += qlp_coeff[ 5] * (FLAC__int64)data[i- 6]; + sum += qlp_coeff[ 4] * (FLAC__int64)data[i- 5]; + sum += qlp_coeff[ 3] * (FLAC__int64)data[i- 4]; + sum += qlp_coeff[ 2] * (FLAC__int64)data[i- 3]; + sum += qlp_coeff[ 1] * (FLAC__int64)data[i- 2]; + sum += qlp_coeff[ 0] * (FLAC__int64)data[i- 1]; + } + residual[i] = data[i] - (FLAC__int32)(sum >> lp_quantization); + } + } +} + +#endif /* defined FLAC__CPU_IA32 */ + +FLAC__SSE_TARGET("sse4.1") +void FLAC__lpc_compute_residual_from_qlp_coefficients_intrin_sse41(const FLAC__int32 *data, uint32_t data_len, const FLAC__int32 qlp_coeff[], uint32_t order, int lp_quantization, FLAC__int32 residual[]) +{ + int i; + FLAC__int32 sum; + const __m128i cnt = _mm_cvtsi32_si128(lp_quantization); + + FLAC__ASSERT(order > 0); + FLAC__ASSERT(order <= 32); + + if(order <= 12) { + if(order > 8) { + if(order > 10) { + if(order == 12) { + __m128i q0, q1, q2, q3, q4, q5, q6, q7, q8, q9, q10, q11; + q0 = _mm_cvtsi32_si128(qlp_coeff[0]); q0 = _mm_shuffle_epi32(q0, _MM_SHUFFLE(0,0,0,0)); + q1 = _mm_cvtsi32_si128(qlp_coeff[1]); q1 = _mm_shuffle_epi32(q1, _MM_SHUFFLE(0,0,0,0)); + q2 = _mm_cvtsi32_si128(qlp_coeff[2]); q2 = _mm_shuffle_epi32(q2, _MM_SHUFFLE(0,0,0,0)); + q3 = _mm_cvtsi32_si128(qlp_coeff[3]); q3 = _mm_shuffle_epi32(q3, _MM_SHUFFLE(0,0,0,0)); + q4 = _mm_cvtsi32_si128(qlp_coeff[4]); q4 = _mm_shuffle_epi32(q4, _MM_SHUFFLE(0,0,0,0)); + q5 = _mm_cvtsi32_si128(qlp_coeff[5]); q5 = _mm_shuffle_epi32(q5, _MM_SHUFFLE(0,0,0,0)); + q6 = _mm_cvtsi32_si128(qlp_coeff[6]); q6 = _mm_shuffle_epi32(q6, _MM_SHUFFLE(0,0,0,0)); + q7 = _mm_cvtsi32_si128(qlp_coeff[7]); q7 = _mm_shuffle_epi32(q7, _MM_SHUFFLE(0,0,0,0)); + q8 = _mm_cvtsi32_si128(qlp_coeff[8]); q8 = _mm_shuffle_epi32(q8, _MM_SHUFFLE(0,0,0,0)); + q9 = _mm_cvtsi32_si128(qlp_coeff[9]); q9 = _mm_shuffle_epi32(q9, _MM_SHUFFLE(0,0,0,0)); + q10 = _mm_cvtsi32_si128(qlp_coeff[10]); q10 = _mm_shuffle_epi32(q10, _MM_SHUFFLE(0,0,0,0)); + q11 = _mm_cvtsi32_si128(qlp_coeff[11]); q11 = _mm_shuffle_epi32(q11, _MM_SHUFFLE(0,0,0,0)); + + for(i = 0; i < (int)data_len-3; i+=4) { + __m128i summ, mull; + summ = _mm_mullo_epi32(q11, _mm_loadu_si128((const __m128i*)(const void*)(data+i-12))); + mull = _mm_mullo_epi32(q10, _mm_loadu_si128((const __m128i*)(const void*)(data+i-11))); summ = _mm_add_epi32(summ, mull); + mull = _mm_mullo_epi32(q9, _mm_loadu_si128((const __m128i*)(const void*)(data+i-10))); summ = _mm_add_epi32(summ, mull); + mull = _mm_mullo_epi32(q8, _mm_loadu_si128((const __m128i*)(const void*)(data+i-9))); summ = _mm_add_epi32(summ, mull); + mull = _mm_mullo_epi32(q7, _mm_loadu_si128((const __m128i*)(const void*)(data+i-8))); summ = _mm_add_epi32(summ, mull); + mull = _mm_mullo_epi32(q6, _mm_loadu_si128((const __m128i*)(const void*)(data+i-7))); summ = _mm_add_epi32(summ, mull); + mull = _mm_mullo_epi32(q5, _mm_loadu_si128((const __m128i*)(const void*)(data+i-6))); summ = _mm_add_epi32(summ, mull); + mull = _mm_mullo_epi32(q4, _mm_loadu_si128((const __m128i*)(const void*)(data+i-5))); summ = _mm_add_epi32(summ, mull); + mull = _mm_mullo_epi32(q3, _mm_loadu_si128((const __m128i*)(const void*)(data+i-4))); summ = _mm_add_epi32(summ, mull); + mull = _mm_mullo_epi32(q2, _mm_loadu_si128((const __m128i*)(const void*)(data+i-3))); summ = _mm_add_epi32(summ, mull); + mull = _mm_mullo_epi32(q1, _mm_loadu_si128((const __m128i*)(const void*)(data+i-2))); summ = _mm_add_epi32(summ, mull); + mull = _mm_mullo_epi32(q0, _mm_loadu_si128((const __m128i*)(const void*)(data+i-1))); summ = _mm_add_epi32(summ, mull); + summ = _mm_sra_epi32(summ, cnt); + _mm_storeu_si128((__m128i*)(void*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(const void*)(data+i)), summ)); + } + } + else { /* order == 11 */ + __m128i q0, q1, q2, q3, q4, q5, q6, q7, q8, q9, q10; + q0 = _mm_cvtsi32_si128(qlp_coeff[0]); q0 = _mm_shuffle_epi32(q0, _MM_SHUFFLE(0,0,0,0)); + q1 = _mm_cvtsi32_si128(qlp_coeff[1]); q1 = _mm_shuffle_epi32(q1, _MM_SHUFFLE(0,0,0,0)); + q2 = _mm_cvtsi32_si128(qlp_coeff[2]); q2 = _mm_shuffle_epi32(q2, _MM_SHUFFLE(0,0,0,0)); + q3 = _mm_cvtsi32_si128(qlp_coeff[3]); q3 = _mm_shuffle_epi32(q3, _MM_SHUFFLE(0,0,0,0)); + q4 = _mm_cvtsi32_si128(qlp_coeff[4]); q4 = _mm_shuffle_epi32(q4, _MM_SHUFFLE(0,0,0,0)); + q5 = _mm_cvtsi32_si128(qlp_coeff[5]); q5 = _mm_shuffle_epi32(q5, _MM_SHUFFLE(0,0,0,0)); + q6 = _mm_cvtsi32_si128(qlp_coeff[6]); q6 = _mm_shuffle_epi32(q6, _MM_SHUFFLE(0,0,0,0)); + q7 = _mm_cvtsi32_si128(qlp_coeff[7]); q7 = _mm_shuffle_epi32(q7, _MM_SHUFFLE(0,0,0,0)); + q8 = _mm_cvtsi32_si128(qlp_coeff[8]); q8 = _mm_shuffle_epi32(q8, _MM_SHUFFLE(0,0,0,0)); + q9 = _mm_cvtsi32_si128(qlp_coeff[9]); q9 = _mm_shuffle_epi32(q9, _MM_SHUFFLE(0,0,0,0)); + q10 = _mm_cvtsi32_si128(qlp_coeff[10]); q10 = _mm_shuffle_epi32(q10, _MM_SHUFFLE(0,0,0,0)); + + for(i = 0; i < (int)data_len-3; i+=4) { + __m128i summ, mull; + summ = _mm_mullo_epi32(q10, _mm_loadu_si128((const __m128i*)(const void*)(data+i-11))); + mull = _mm_mullo_epi32(q9, _mm_loadu_si128((const __m128i*)(const void*)(data+i-10))); summ = _mm_add_epi32(summ, mull); + mull = _mm_mullo_epi32(q8, _mm_loadu_si128((const __m128i*)(const void*)(data+i-9))); summ = _mm_add_epi32(summ, mull); + mull = _mm_mullo_epi32(q7, _mm_loadu_si128((const __m128i*)(const void*)(data+i-8))); summ = _mm_add_epi32(summ, mull); + mull = _mm_mullo_epi32(q6, _mm_loadu_si128((const __m128i*)(const void*)(data+i-7))); summ = _mm_add_epi32(summ, mull); + mull = _mm_mullo_epi32(q5, _mm_loadu_si128((const __m128i*)(const void*)(data+i-6))); summ = _mm_add_epi32(summ, mull); + mull = _mm_mullo_epi32(q4, _mm_loadu_si128((const __m128i*)(const void*)(data+i-5))); summ = _mm_add_epi32(summ, mull); + mull = _mm_mullo_epi32(q3, _mm_loadu_si128((const __m128i*)(const void*)(data+i-4))); summ = _mm_add_epi32(summ, mull); + mull = _mm_mullo_epi32(q2, _mm_loadu_si128((const __m128i*)(const void*)(data+i-3))); summ = _mm_add_epi32(summ, mull); + mull = _mm_mullo_epi32(q1, _mm_loadu_si128((const __m128i*)(const void*)(data+i-2))); summ = _mm_add_epi32(summ, mull); + mull = _mm_mullo_epi32(q0, _mm_loadu_si128((const __m128i*)(const void*)(data+i-1))); summ = _mm_add_epi32(summ, mull); + summ = _mm_sra_epi32(summ, cnt); + _mm_storeu_si128((__m128i*)(void*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(const void*)(data+i)), summ)); + } + } + } + else { + if(order == 10) { + __m128i q0, q1, q2, q3, q4, q5, q6, q7, q8, q9; + q0 = _mm_cvtsi32_si128(qlp_coeff[0]); q0 = _mm_shuffle_epi32(q0, _MM_SHUFFLE(0,0,0,0)); + q1 = _mm_cvtsi32_si128(qlp_coeff[1]); q1 = _mm_shuffle_epi32(q1, _MM_SHUFFLE(0,0,0,0)); + q2 = _mm_cvtsi32_si128(qlp_coeff[2]); q2 = _mm_shuffle_epi32(q2, _MM_SHUFFLE(0,0,0,0)); + q3 = _mm_cvtsi32_si128(qlp_coeff[3]); q3 = _mm_shuffle_epi32(q3, _MM_SHUFFLE(0,0,0,0)); + q4 = _mm_cvtsi32_si128(qlp_coeff[4]); q4 = _mm_shuffle_epi32(q4, _MM_SHUFFLE(0,0,0,0)); + q5 = _mm_cvtsi32_si128(qlp_coeff[5]); q5 = _mm_shuffle_epi32(q5, _MM_SHUFFLE(0,0,0,0)); + q6 = _mm_cvtsi32_si128(qlp_coeff[6]); q6 = _mm_shuffle_epi32(q6, _MM_SHUFFLE(0,0,0,0)); + q7 = _mm_cvtsi32_si128(qlp_coeff[7]); q7 = _mm_shuffle_epi32(q7, _MM_SHUFFLE(0,0,0,0)); + q8 = _mm_cvtsi32_si128(qlp_coeff[8]); q8 = _mm_shuffle_epi32(q8, _MM_SHUFFLE(0,0,0,0)); + q9 = _mm_cvtsi32_si128(qlp_coeff[9]); q9 = _mm_shuffle_epi32(q9, _MM_SHUFFLE(0,0,0,0)); + + for(i = 0; i < (int)data_len-3; i+=4) { + __m128i summ, mull; + summ = _mm_mullo_epi32(q9, _mm_loadu_si128((const __m128i*)(const void*)(data+i-10))); + mull = _mm_mullo_epi32(q8, _mm_loadu_si128((const __m128i*)(const void*)(data+i-9))); summ = _mm_add_epi32(summ, mull); + mull = _mm_mullo_epi32(q7, _mm_loadu_si128((const __m128i*)(const void*)(data+i-8))); summ = _mm_add_epi32(summ, mull); + mull = _mm_mullo_epi32(q6, _mm_loadu_si128((const __m128i*)(const void*)(data+i-7))); summ = _mm_add_epi32(summ, mull); + mull = _mm_mullo_epi32(q5, _mm_loadu_si128((const __m128i*)(const void*)(data+i-6))); summ = _mm_add_epi32(summ, mull); + mull = _mm_mullo_epi32(q4, _mm_loadu_si128((const __m128i*)(const void*)(data+i-5))); summ = _mm_add_epi32(summ, mull); + mull = _mm_mullo_epi32(q3, _mm_loadu_si128((const __m128i*)(const void*)(data+i-4))); summ = _mm_add_epi32(summ, mull); + mull = _mm_mullo_epi32(q2, _mm_loadu_si128((const __m128i*)(const void*)(data+i-3))); summ = _mm_add_epi32(summ, mull); + mull = _mm_mullo_epi32(q1, _mm_loadu_si128((const __m128i*)(const void*)(data+i-2))); summ = _mm_add_epi32(summ, mull); + mull = _mm_mullo_epi32(q0, _mm_loadu_si128((const __m128i*)(const void*)(data+i-1))); summ = _mm_add_epi32(summ, mull); + summ = _mm_sra_epi32(summ, cnt); + _mm_storeu_si128((__m128i*)(void*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(const void*)(data+i)), summ)); + } + } + else { /* order == 9 */ + __m128i q0, q1, q2, q3, q4, q5, q6, q7, q8; + q0 = _mm_cvtsi32_si128(qlp_coeff[0]); q0 = _mm_shuffle_epi32(q0, _MM_SHUFFLE(0,0,0,0)); + q1 = _mm_cvtsi32_si128(qlp_coeff[1]); q1 = _mm_shuffle_epi32(q1, _MM_SHUFFLE(0,0,0,0)); + q2 = _mm_cvtsi32_si128(qlp_coeff[2]); q2 = _mm_shuffle_epi32(q2, _MM_SHUFFLE(0,0,0,0)); + q3 = _mm_cvtsi32_si128(qlp_coeff[3]); q3 = _mm_shuffle_epi32(q3, _MM_SHUFFLE(0,0,0,0)); + q4 = _mm_cvtsi32_si128(qlp_coeff[4]); q4 = _mm_shuffle_epi32(q4, _MM_SHUFFLE(0,0,0,0)); + q5 = _mm_cvtsi32_si128(qlp_coeff[5]); q5 = _mm_shuffle_epi32(q5, _MM_SHUFFLE(0,0,0,0)); + q6 = _mm_cvtsi32_si128(qlp_coeff[6]); q6 = _mm_shuffle_epi32(q6, _MM_SHUFFLE(0,0,0,0)); + q7 = _mm_cvtsi32_si128(qlp_coeff[7]); q7 = _mm_shuffle_epi32(q7, _MM_SHUFFLE(0,0,0,0)); + q8 = _mm_cvtsi32_si128(qlp_coeff[8]); q8 = _mm_shuffle_epi32(q8, _MM_SHUFFLE(0,0,0,0)); + + for(i = 0; i < (int)data_len-3; i+=4) { + __m128i summ, mull; + summ = _mm_mullo_epi32(q8, _mm_loadu_si128((const __m128i*)(const void*)(data+i-9))); + mull = _mm_mullo_epi32(q7, _mm_loadu_si128((const __m128i*)(const void*)(data+i-8))); summ = _mm_add_epi32(summ, mull); + mull = _mm_mullo_epi32(q6, _mm_loadu_si128((const __m128i*)(const void*)(data+i-7))); summ = _mm_add_epi32(summ, mull); + mull = _mm_mullo_epi32(q5, _mm_loadu_si128((const __m128i*)(const void*)(data+i-6))); summ = _mm_add_epi32(summ, mull); + mull = _mm_mullo_epi32(q4, _mm_loadu_si128((const __m128i*)(const void*)(data+i-5))); summ = _mm_add_epi32(summ, mull); + mull = _mm_mullo_epi32(q3, _mm_loadu_si128((const __m128i*)(const void*)(data+i-4))); summ = _mm_add_epi32(summ, mull); + mull = _mm_mullo_epi32(q2, _mm_loadu_si128((const __m128i*)(const void*)(data+i-3))); summ = _mm_add_epi32(summ, mull); + mull = _mm_mullo_epi32(q1, _mm_loadu_si128((const __m128i*)(const void*)(data+i-2))); summ = _mm_add_epi32(summ, mull); + mull = _mm_mullo_epi32(q0, _mm_loadu_si128((const __m128i*)(const void*)(data+i-1))); summ = _mm_add_epi32(summ, mull); + summ = _mm_sra_epi32(summ, cnt); + _mm_storeu_si128((__m128i*)(void*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(const void*)(data+i)), summ)); + } + } + } + } + else if(order > 4) { + if(order > 6) { + if(order == 8) { + __m128i q0, q1, q2, q3, q4, q5, q6, q7; + q0 = _mm_cvtsi32_si128(qlp_coeff[0]); q0 = _mm_shuffle_epi32(q0, _MM_SHUFFLE(0,0,0,0)); + q1 = _mm_cvtsi32_si128(qlp_coeff[1]); q1 = _mm_shuffle_epi32(q1, _MM_SHUFFLE(0,0,0,0)); + q2 = _mm_cvtsi32_si128(qlp_coeff[2]); q2 = _mm_shuffle_epi32(q2, _MM_SHUFFLE(0,0,0,0)); + q3 = _mm_cvtsi32_si128(qlp_coeff[3]); q3 = _mm_shuffle_epi32(q3, _MM_SHUFFLE(0,0,0,0)); + q4 = _mm_cvtsi32_si128(qlp_coeff[4]); q4 = _mm_shuffle_epi32(q4, _MM_SHUFFLE(0,0,0,0)); + q5 = _mm_cvtsi32_si128(qlp_coeff[5]); q5 = _mm_shuffle_epi32(q5, _MM_SHUFFLE(0,0,0,0)); + q6 = _mm_cvtsi32_si128(qlp_coeff[6]); q6 = _mm_shuffle_epi32(q6, _MM_SHUFFLE(0,0,0,0)); + q7 = _mm_cvtsi32_si128(qlp_coeff[7]); q7 = _mm_shuffle_epi32(q7, _MM_SHUFFLE(0,0,0,0)); + + for(i = 0; i < (int)data_len-3; i+=4) { + __m128i summ, mull; + summ = _mm_mullo_epi32(q7, _mm_loadu_si128((const __m128i*)(const void*)(data+i-8))); + mull = _mm_mullo_epi32(q6, _mm_loadu_si128((const __m128i*)(const void*)(data+i-7))); summ = _mm_add_epi32(summ, mull); + mull = _mm_mullo_epi32(q5, _mm_loadu_si128((const __m128i*)(const void*)(data+i-6))); summ = _mm_add_epi32(summ, mull); + mull = _mm_mullo_epi32(q4, _mm_loadu_si128((const __m128i*)(const void*)(data+i-5))); summ = _mm_add_epi32(summ, mull); + mull = _mm_mullo_epi32(q3, _mm_loadu_si128((const __m128i*)(const void*)(data+i-4))); summ = _mm_add_epi32(summ, mull); + mull = _mm_mullo_epi32(q2, _mm_loadu_si128((const __m128i*)(const void*)(data+i-3))); summ = _mm_add_epi32(summ, mull); + mull = _mm_mullo_epi32(q1, _mm_loadu_si128((const __m128i*)(const void*)(data+i-2))); summ = _mm_add_epi32(summ, mull); + mull = _mm_mullo_epi32(q0, _mm_loadu_si128((const __m128i*)(const void*)(data+i-1))); summ = _mm_add_epi32(summ, mull); + summ = _mm_sra_epi32(summ, cnt); + _mm_storeu_si128((__m128i*)(void*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(const void*)(data+i)), summ)); + } + } + else { /* order == 7 */ + __m128i q0, q1, q2, q3, q4, q5, q6; + q0 = _mm_cvtsi32_si128(qlp_coeff[0]); q0 = _mm_shuffle_epi32(q0, _MM_SHUFFLE(0,0,0,0)); + q1 = _mm_cvtsi32_si128(qlp_coeff[1]); q1 = _mm_shuffle_epi32(q1, _MM_SHUFFLE(0,0,0,0)); + q2 = _mm_cvtsi32_si128(qlp_coeff[2]); q2 = _mm_shuffle_epi32(q2, _MM_SHUFFLE(0,0,0,0)); + q3 = _mm_cvtsi32_si128(qlp_coeff[3]); q3 = _mm_shuffle_epi32(q3, _MM_SHUFFLE(0,0,0,0)); + q4 = _mm_cvtsi32_si128(qlp_coeff[4]); q4 = _mm_shuffle_epi32(q4, _MM_SHUFFLE(0,0,0,0)); + q5 = _mm_cvtsi32_si128(qlp_coeff[5]); q5 = _mm_shuffle_epi32(q5, _MM_SHUFFLE(0,0,0,0)); + q6 = _mm_cvtsi32_si128(qlp_coeff[6]); q6 = _mm_shuffle_epi32(q6, _MM_SHUFFLE(0,0,0,0)); + + for(i = 0; i < (int)data_len-3; i+=4) { + __m128i summ, mull; + summ = _mm_mullo_epi32(q6, _mm_loadu_si128((const __m128i*)(const void*)(data+i-7))); + mull = _mm_mullo_epi32(q5, _mm_loadu_si128((const __m128i*)(const void*)(data+i-6))); summ = _mm_add_epi32(summ, mull); + mull = _mm_mullo_epi32(q4, _mm_loadu_si128((const __m128i*)(const void*)(data+i-5))); summ = _mm_add_epi32(summ, mull); + mull = _mm_mullo_epi32(q3, _mm_loadu_si128((const __m128i*)(const void*)(data+i-4))); summ = _mm_add_epi32(summ, mull); + mull = _mm_mullo_epi32(q2, _mm_loadu_si128((const __m128i*)(const void*)(data+i-3))); summ = _mm_add_epi32(summ, mull); + mull = _mm_mullo_epi32(q1, _mm_loadu_si128((const __m128i*)(const void*)(data+i-2))); summ = _mm_add_epi32(summ, mull); + mull = _mm_mullo_epi32(q0, _mm_loadu_si128((const __m128i*)(const void*)(data+i-1))); summ = _mm_add_epi32(summ, mull); + summ = _mm_sra_epi32(summ, cnt); + _mm_storeu_si128((__m128i*)(void*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(const void*)(data+i)), summ)); + } + } + } + else { + if(order == 6) { + __m128i q0, q1, q2, q3, q4, q5; + q0 = _mm_cvtsi32_si128(qlp_coeff[0]); q0 = _mm_shuffle_epi32(q0, _MM_SHUFFLE(0,0,0,0)); + q1 = _mm_cvtsi32_si128(qlp_coeff[1]); q1 = _mm_shuffle_epi32(q1, _MM_SHUFFLE(0,0,0,0)); + q2 = _mm_cvtsi32_si128(qlp_coeff[2]); q2 = _mm_shuffle_epi32(q2, _MM_SHUFFLE(0,0,0,0)); + q3 = _mm_cvtsi32_si128(qlp_coeff[3]); q3 = _mm_shuffle_epi32(q3, _MM_SHUFFLE(0,0,0,0)); + q4 = _mm_cvtsi32_si128(qlp_coeff[4]); q4 = _mm_shuffle_epi32(q4, _MM_SHUFFLE(0,0,0,0)); + q5 = _mm_cvtsi32_si128(qlp_coeff[5]); q5 = _mm_shuffle_epi32(q5, _MM_SHUFFLE(0,0,0,0)); + + for(i = 0; i < (int)data_len-3; i+=4) { + __m128i summ, mull; + summ = _mm_mullo_epi32(q5, _mm_loadu_si128((const __m128i*)(const void*)(data+i-6))); + mull = _mm_mullo_epi32(q4, _mm_loadu_si128((const __m128i*)(const void*)(data+i-5))); summ = _mm_add_epi32(summ, mull); + mull = _mm_mullo_epi32(q3, _mm_loadu_si128((const __m128i*)(const void*)(data+i-4))); summ = _mm_add_epi32(summ, mull); + mull = _mm_mullo_epi32(q2, _mm_loadu_si128((const __m128i*)(const void*)(data+i-3))); summ = _mm_add_epi32(summ, mull); + mull = _mm_mullo_epi32(q1, _mm_loadu_si128((const __m128i*)(const void*)(data+i-2))); summ = _mm_add_epi32(summ, mull); + mull = _mm_mullo_epi32(q0, _mm_loadu_si128((const __m128i*)(const void*)(data+i-1))); summ = _mm_add_epi32(summ, mull); + summ = _mm_sra_epi32(summ, cnt); + _mm_storeu_si128((__m128i*)(void*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(const void*)(data+i)), summ)); + } + } + else { /* order == 5 */ + __m128i q0, q1, q2, q3, q4; + q0 = _mm_cvtsi32_si128(qlp_coeff[0]); q0 = _mm_shuffle_epi32(q0, _MM_SHUFFLE(0,0,0,0)); + q1 = _mm_cvtsi32_si128(qlp_coeff[1]); q1 = _mm_shuffle_epi32(q1, _MM_SHUFFLE(0,0,0,0)); + q2 = _mm_cvtsi32_si128(qlp_coeff[2]); q2 = _mm_shuffle_epi32(q2, _MM_SHUFFLE(0,0,0,0)); + q3 = _mm_cvtsi32_si128(qlp_coeff[3]); q3 = _mm_shuffle_epi32(q3, _MM_SHUFFLE(0,0,0,0)); + q4 = _mm_cvtsi32_si128(qlp_coeff[4]); q4 = _mm_shuffle_epi32(q4, _MM_SHUFFLE(0,0,0,0)); + + for(i = 0; i < (int)data_len-3; i+=4) { + __m128i summ, mull; + summ = _mm_mullo_epi32(q4, _mm_loadu_si128((const __m128i*)(const void*)(data+i-5))); + mull = _mm_mullo_epi32(q3, _mm_loadu_si128((const __m128i*)(const void*)(data+i-4))); summ = _mm_add_epi32(summ, mull); + mull = _mm_mullo_epi32(q2, _mm_loadu_si128((const __m128i*)(const void*)(data+i-3))); summ = _mm_add_epi32(summ, mull); + mull = _mm_mullo_epi32(q1, _mm_loadu_si128((const __m128i*)(const void*)(data+i-2))); summ = _mm_add_epi32(summ, mull); + mull = _mm_mullo_epi32(q0, _mm_loadu_si128((const __m128i*)(const void*)(data+i-1))); summ = _mm_add_epi32(summ, mull); + summ = _mm_sra_epi32(summ, cnt); + _mm_storeu_si128((__m128i*)(void*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(const void*)(data+i)), summ)); + } + } + } + } + else { + if(order > 2) { + if(order == 4) { + __m128i q0, q1, q2, q3; + q0 = _mm_cvtsi32_si128(qlp_coeff[0]); q0 = _mm_shuffle_epi32(q0, _MM_SHUFFLE(0,0,0,0)); + q1 = _mm_cvtsi32_si128(qlp_coeff[1]); q1 = _mm_shuffle_epi32(q1, _MM_SHUFFLE(0,0,0,0)); + q2 = _mm_cvtsi32_si128(qlp_coeff[2]); q2 = _mm_shuffle_epi32(q2, _MM_SHUFFLE(0,0,0,0)); + q3 = _mm_cvtsi32_si128(qlp_coeff[3]); q3 = _mm_shuffle_epi32(q3, _MM_SHUFFLE(0,0,0,0)); + + for(i = 0; i < (int)data_len-3; i+=4) { + __m128i summ, mull; + summ = _mm_mullo_epi32(q3, _mm_loadu_si128((const __m128i*)(const void*)(data+i-4))); + mull = _mm_mullo_epi32(q2, _mm_loadu_si128((const __m128i*)(const void*)(data+i-3))); summ = _mm_add_epi32(summ, mull); + mull = _mm_mullo_epi32(q1, _mm_loadu_si128((const __m128i*)(const void*)(data+i-2))); summ = _mm_add_epi32(summ, mull); + mull = _mm_mullo_epi32(q0, _mm_loadu_si128((const __m128i*)(const void*)(data+i-1))); summ = _mm_add_epi32(summ, mull); + summ = _mm_sra_epi32(summ, cnt); + _mm_storeu_si128((__m128i*)(void*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(const void*)(data+i)), summ)); + } + } + else { /* order == 3 */ + __m128i q0, q1, q2; + q0 = _mm_cvtsi32_si128(qlp_coeff[0]); q0 = _mm_shuffle_epi32(q0, _MM_SHUFFLE(0,0,0,0)); + q1 = _mm_cvtsi32_si128(qlp_coeff[1]); q1 = _mm_shuffle_epi32(q1, _MM_SHUFFLE(0,0,0,0)); + q2 = _mm_cvtsi32_si128(qlp_coeff[2]); q2 = _mm_shuffle_epi32(q2, _MM_SHUFFLE(0,0,0,0)); + + for(i = 0; i < (int)data_len-3; i+=4) { + __m128i summ, mull; + summ = _mm_mullo_epi32(q2, _mm_loadu_si128((const __m128i*)(const void*)(data+i-3))); + mull = _mm_mullo_epi32(q1, _mm_loadu_si128((const __m128i*)(const void*)(data+i-2))); summ = _mm_add_epi32(summ, mull); + mull = _mm_mullo_epi32(q0, _mm_loadu_si128((const __m128i*)(const void*)(data+i-1))); summ = _mm_add_epi32(summ, mull); + summ = _mm_sra_epi32(summ, cnt); + _mm_storeu_si128((__m128i*)(void*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(const void*)(data+i)), summ)); + } + } + } + else { + if(order == 2) { + __m128i q0, q1; + q0 = _mm_cvtsi32_si128(qlp_coeff[0]); q0 = _mm_shuffle_epi32(q0, _MM_SHUFFLE(0,0,0,0)); + q1 = _mm_cvtsi32_si128(qlp_coeff[1]); q1 = _mm_shuffle_epi32(q1, _MM_SHUFFLE(0,0,0,0)); + + for(i = 0; i < (int)data_len-3; i+=4) { + __m128i summ, mull; + summ = _mm_mullo_epi32(q1, _mm_loadu_si128((const __m128i*)(const void*)(data+i-2))); + mull = _mm_mullo_epi32(q0, _mm_loadu_si128((const __m128i*)(const void*)(data+i-1))); summ = _mm_add_epi32(summ, mull); + summ = _mm_sra_epi32(summ, cnt); + _mm_storeu_si128((__m128i*)(void*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(const void*)(data+i)), summ)); + } + } + else { /* order == 1 */ + __m128i q0; + q0 = _mm_cvtsi32_si128(qlp_coeff[0]); q0 = _mm_shuffle_epi32(q0, _MM_SHUFFLE(0,0,0,0)); + + for(i = 0; i < (int)data_len-3; i+=4) { + __m128i summ; + summ = _mm_mullo_epi32(q0, _mm_loadu_si128((const __m128i*)(const void*)(data+i-1))); + summ = _mm_sra_epi32(summ, cnt); + _mm_storeu_si128((__m128i*)(void*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(const void*)(data+i)), summ)); + } + } + } + } + for(; i < (int)data_len; i++) { + sum = 0; + switch(order) { + case 12: sum += qlp_coeff[11] * data[i-12]; /* Falls through. */ + case 11: sum += qlp_coeff[10] * data[i-11]; /* Falls through. */ + case 10: sum += qlp_coeff[ 9] * data[i-10]; /* Falls through. */ + case 9: sum += qlp_coeff[ 8] * data[i- 9]; /* Falls through. */ + case 8: sum += qlp_coeff[ 7] * data[i- 8]; /* Falls through. */ + case 7: sum += qlp_coeff[ 6] * data[i- 7]; /* Falls through. */ + case 6: sum += qlp_coeff[ 5] * data[i- 6]; /* Falls through. */ + case 5: sum += qlp_coeff[ 4] * data[i- 5]; /* Falls through. */ + case 4: sum += qlp_coeff[ 3] * data[i- 4]; /* Falls through. */ + case 3: sum += qlp_coeff[ 2] * data[i- 3]; /* Falls through. */ + case 2: sum += qlp_coeff[ 1] * data[i- 2]; /* Falls through. */ + case 1: sum += qlp_coeff[ 0] * data[i- 1]; + } + residual[i] = data[i] - (sum >> lp_quantization); + } + } + else { /* order > 12 */ + for(i = 0; i < (int)data_len; i++) { + sum = 0; + switch(order) { + case 32: sum += qlp_coeff[31] * data[i-32]; /* Falls through. */ + case 31: sum += qlp_coeff[30] * data[i-31]; /* Falls through. */ + case 30: sum += qlp_coeff[29] * data[i-30]; /* Falls through. */ + case 29: sum += qlp_coeff[28] * data[i-29]; /* Falls through. */ + case 28: sum += qlp_coeff[27] * data[i-28]; /* Falls through. */ + case 27: sum += qlp_coeff[26] * data[i-27]; /* Falls through. */ + case 26: sum += qlp_coeff[25] * data[i-26]; /* Falls through. */ + case 25: sum += qlp_coeff[24] * data[i-25]; /* Falls through. */ + case 24: sum += qlp_coeff[23] * data[i-24]; /* Falls through. */ + case 23: sum += qlp_coeff[22] * data[i-23]; /* Falls through. */ + case 22: sum += qlp_coeff[21] * data[i-22]; /* Falls through. */ + case 21: sum += qlp_coeff[20] * data[i-21]; /* Falls through. */ + case 20: sum += qlp_coeff[19] * data[i-20]; /* Falls through. */ + case 19: sum += qlp_coeff[18] * data[i-19]; /* Falls through. */ + case 18: sum += qlp_coeff[17] * data[i-18]; /* Falls through. */ + case 17: sum += qlp_coeff[16] * data[i-17]; /* Falls through. */ + case 16: sum += qlp_coeff[15] * data[i-16]; /* Falls through. */ + case 15: sum += qlp_coeff[14] * data[i-15]; /* Falls through. */ + case 14: sum += qlp_coeff[13] * data[i-14]; /* Falls through. */ + case 13: sum += qlp_coeff[12] * data[i-13]; + sum += qlp_coeff[11] * data[i-12]; + sum += qlp_coeff[10] * data[i-11]; + sum += qlp_coeff[ 9] * data[i-10]; + sum += qlp_coeff[ 8] * data[i- 9]; + sum += qlp_coeff[ 7] * data[i- 8]; + sum += qlp_coeff[ 6] * data[i- 7]; + sum += qlp_coeff[ 5] * data[i- 6]; + sum += qlp_coeff[ 4] * data[i- 5]; + sum += qlp_coeff[ 3] * data[i- 4]; + sum += qlp_coeff[ 2] * data[i- 3]; + sum += qlp_coeff[ 1] * data[i- 2]; + sum += qlp_coeff[ 0] * data[i- 1]; + } + residual[i] = data[i] - (sum >> lp_quantization); + } + } +} + +#endif /* FLAC__SSE4_1_SUPPORTED */ +#endif /* (FLAC__CPU_IA32 || FLAC__CPU_X86_64) && FLAC__HAS_X86INTRIN */ +#endif /* FLAC__NO_ASM */ +#endif /* FLAC__INTEGER_ONLY_LIBRARY */ diff --git a/src/libFLAC/md5.c b/src/libFLAC/md5.c new file mode 100644 index 0000000..09933d7 --- /dev/null +++ b/src/libFLAC/md5.c @@ -0,0 +1,517 @@ +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include <stdlib.h> /* for malloc() */ +#include <string.h> /* for memcpy() */ + +#include "private/md5.h" +#include "share/alloc.h" +#include "share/compat.h" +#include "share/endswap.h" + +/* + * This code implements the MD5 message-digest algorithm. + * The algorithm is due to Ron Rivest. This code was + * written by Colin Plumb in 1993, no copyright is claimed. + * This code is in the public domain; do with it what you wish. + * + * Equivalent code is available from RSA Data Security, Inc. + * This code has been tested against that, and is equivalent, + * except that you don't need to include two pages of legalese + * with every copy. + * + * To compute the message digest of a chunk of bytes, declare an + * MD5Context structure, pass it to MD5Init, call MD5Update as + * needed on buffers full of bytes, and then call MD5Final, which + * will fill a supplied 16-byte array with the digest. + * + * Changed so as no longer to depend on Colin Plumb's `usual.h' header + * definitions; now uses stuff from dpkg's config.h. + * - Ian Jackson <ijackson@nyx.cs.du.edu>. + * Still in the public domain. + * + * Josh Coalson: made some changes to integrate with libFLAC. + * Still in the public domain. + */ + +/* The four core functions - F1 is optimized somewhat */ + +/* #define F1(x, y, z) (x & y | ~x & z) */ +#define F1(x, y, z) (z ^ (x & (y ^ z))) +#define F2(x, y, z) F1(z, x, y) +#define F3(x, y, z) (x ^ y ^ z) +#define F4(x, y, z) (y ^ (x | ~z)) + +/* This is the central step in the MD5 algorithm. */ +#define MD5STEP(f,w,x,y,z,in,s) \ + (w += f(x,y,z) + in, w = (w<<s | w>>(32-s)) + x) + +/* + * The core of the MD5 algorithm, this alters an existing MD5 hash to + * reflect the addition of 16 longwords of new data. MD5Update blocks + * the data and converts bytes into longwords for this routine. + */ +static void FLAC__MD5Transform(FLAC__uint32 buf[4], FLAC__uint32 const in[16]) +{ + register FLAC__uint32 a, b, c, d; + + a = buf[0]; + b = buf[1]; + c = buf[2]; + d = buf[3]; + + MD5STEP(F1, a, b, c, d, in[0] + 0xd76aa478, 7); + MD5STEP(F1, d, a, b, c, in[1] + 0xe8c7b756, 12); + MD5STEP(F1, c, d, a, b, in[2] + 0x242070db, 17); + MD5STEP(F1, b, c, d, a, in[3] + 0xc1bdceee, 22); + MD5STEP(F1, a, b, c, d, in[4] + 0xf57c0faf, 7); + MD5STEP(F1, d, a, b, c, in[5] + 0x4787c62a, 12); + MD5STEP(F1, c, d, a, b, in[6] + 0xa8304613, 17); + MD5STEP(F1, b, c, d, a, in[7] + 0xfd469501, 22); + MD5STEP(F1, a, b, c, d, in[8] + 0x698098d8, 7); + MD5STEP(F1, d, a, b, c, in[9] + 0x8b44f7af, 12); + MD5STEP(F1, c, d, a, b, in[10] + 0xffff5bb1, 17); + MD5STEP(F1, b, c, d, a, in[11] + 0x895cd7be, 22); + MD5STEP(F1, a, b, c, d, in[12] + 0x6b901122, 7); + MD5STEP(F1, d, a, b, c, in[13] + 0xfd987193, 12); + MD5STEP(F1, c, d, a, b, in[14] + 0xa679438e, 17); + MD5STEP(F1, b, c, d, a, in[15] + 0x49b40821, 22); + + MD5STEP(F2, a, b, c, d, in[1] + 0xf61e2562, 5); + MD5STEP(F2, d, a, b, c, in[6] + 0xc040b340, 9); + MD5STEP(F2, c, d, a, b, in[11] + 0x265e5a51, 14); + MD5STEP(F2, b, c, d, a, in[0] + 0xe9b6c7aa, 20); + MD5STEP(F2, a, b, c, d, in[5] + 0xd62f105d, 5); + MD5STEP(F2, d, a, b, c, in[10] + 0x02441453, 9); + MD5STEP(F2, c, d, a, b, in[15] + 0xd8a1e681, 14); + MD5STEP(F2, b, c, d, a, in[4] + 0xe7d3fbc8, 20); + MD5STEP(F2, a, b, c, d, in[9] + 0x21e1cde6, 5); + MD5STEP(F2, d, a, b, c, in[14] + 0xc33707d6, 9); + MD5STEP(F2, c, d, a, b, in[3] + 0xf4d50d87, 14); + MD5STEP(F2, b, c, d, a, in[8] + 0x455a14ed, 20); + MD5STEP(F2, a, b, c, d, in[13] + 0xa9e3e905, 5); + MD5STEP(F2, d, a, b, c, in[2] + 0xfcefa3f8, 9); + MD5STEP(F2, c, d, a, b, in[7] + 0x676f02d9, 14); + MD5STEP(F2, b, c, d, a, in[12] + 0x8d2a4c8a, 20); + + MD5STEP(F3, a, b, c, d, in[5] + 0xfffa3942, 4); + MD5STEP(F3, d, a, b, c, in[8] + 0x8771f681, 11); + MD5STEP(F3, c, d, a, b, in[11] + 0x6d9d6122, 16); + MD5STEP(F3, b, c, d, a, in[14] + 0xfde5380c, 23); + MD5STEP(F3, a, b, c, d, in[1] + 0xa4beea44, 4); + MD5STEP(F3, d, a, b, c, in[4] + 0x4bdecfa9, 11); + MD5STEP(F3, c, d, a, b, in[7] + 0xf6bb4b60, 16); + MD5STEP(F3, b, c, d, a, in[10] + 0xbebfbc70, 23); + MD5STEP(F3, a, b, c, d, in[13] + 0x289b7ec6, 4); + MD5STEP(F3, d, a, b, c, in[0] + 0xeaa127fa, 11); + MD5STEP(F3, c, d, a, b, in[3] + 0xd4ef3085, 16); + MD5STEP(F3, b, c, d, a, in[6] + 0x04881d05, 23); + MD5STEP(F3, a, b, c, d, in[9] + 0xd9d4d039, 4); + MD5STEP(F3, d, a, b, c, in[12] + 0xe6db99e5, 11); + MD5STEP(F3, c, d, a, b, in[15] + 0x1fa27cf8, 16); + MD5STEP(F3, b, c, d, a, in[2] + 0xc4ac5665, 23); + + MD5STEP(F4, a, b, c, d, in[0] + 0xf4292244, 6); + MD5STEP(F4, d, a, b, c, in[7] + 0x432aff97, 10); + MD5STEP(F4, c, d, a, b, in[14] + 0xab9423a7, 15); + MD5STEP(F4, b, c, d, a, in[5] + 0xfc93a039, 21); + MD5STEP(F4, a, b, c, d, in[12] + 0x655b59c3, 6); + MD5STEP(F4, d, a, b, c, in[3] + 0x8f0ccc92, 10); + MD5STEP(F4, c, d, a, b, in[10] + 0xffeff47d, 15); + MD5STEP(F4, b, c, d, a, in[1] + 0x85845dd1, 21); + MD5STEP(F4, a, b, c, d, in[8] + 0x6fa87e4f, 6); + MD5STEP(F4, d, a, b, c, in[15] + 0xfe2ce6e0, 10); + MD5STEP(F4, c, d, a, b, in[6] + 0xa3014314, 15); + MD5STEP(F4, b, c, d, a, in[13] + 0x4e0811a1, 21); + MD5STEP(F4, a, b, c, d, in[4] + 0xf7537e82, 6); + MD5STEP(F4, d, a, b, c, in[11] + 0xbd3af235, 10); + MD5STEP(F4, c, d, a, b, in[2] + 0x2ad7d2bb, 15); + MD5STEP(F4, b, c, d, a, in[9] + 0xeb86d391, 21); + + buf[0] += a; + buf[1] += b; + buf[2] += c; + buf[3] += d; +} + +#if WORDS_BIGENDIAN +//@@@@@@ OPT: use bswap/intrinsics +static void byteSwap(FLAC__uint32 *buf, uint32_t words) +{ + register FLAC__uint32 x; + do { + x = *buf; + x = ((x << 8) & 0xff00ff00) | ((x >> 8) & 0x00ff00ff); + *buf++ = (x >> 16) | (x << 16); + } while (--words); +} +static void byteSwapX16(FLAC__uint32 *buf) +{ + register FLAC__uint32 x; + + x = *buf; x = ((x << 8) & 0xff00ff00) | ((x >> 8) & 0x00ff00ff); *buf++ = (x >> 16) | (x << 16); + x = *buf; x = ((x << 8) & 0xff00ff00) | ((x >> 8) & 0x00ff00ff); *buf++ = (x >> 16) | (x << 16); + x = *buf; x = ((x << 8) & 0xff00ff00) | ((x >> 8) & 0x00ff00ff); *buf++ = (x >> 16) | (x << 16); + x = *buf; x = ((x << 8) & 0xff00ff00) | ((x >> 8) & 0x00ff00ff); *buf++ = (x >> 16) | (x << 16); + x = *buf; x = ((x << 8) & 0xff00ff00) | ((x >> 8) & 0x00ff00ff); *buf++ = (x >> 16) | (x << 16); + x = *buf; x = ((x << 8) & 0xff00ff00) | ((x >> 8) & 0x00ff00ff); *buf++ = (x >> 16) | (x << 16); + x = *buf; x = ((x << 8) & 0xff00ff00) | ((x >> 8) & 0x00ff00ff); *buf++ = (x >> 16) | (x << 16); + x = *buf; x = ((x << 8) & 0xff00ff00) | ((x >> 8) & 0x00ff00ff); *buf++ = (x >> 16) | (x << 16); + x = *buf; x = ((x << 8) & 0xff00ff00) | ((x >> 8) & 0x00ff00ff); *buf++ = (x >> 16) | (x << 16); + x = *buf; x = ((x << 8) & 0xff00ff00) | ((x >> 8) & 0x00ff00ff); *buf++ = (x >> 16) | (x << 16); + x = *buf; x = ((x << 8) & 0xff00ff00) | ((x >> 8) & 0x00ff00ff); *buf++ = (x >> 16) | (x << 16); + x = *buf; x = ((x << 8) & 0xff00ff00) | ((x >> 8) & 0x00ff00ff); *buf++ = (x >> 16) | (x << 16); + x = *buf; x = ((x << 8) & 0xff00ff00) | ((x >> 8) & 0x00ff00ff); *buf++ = (x >> 16) | (x << 16); + x = *buf; x = ((x << 8) & 0xff00ff00) | ((x >> 8) & 0x00ff00ff); *buf++ = (x >> 16) | (x << 16); + x = *buf; x = ((x << 8) & 0xff00ff00) | ((x >> 8) & 0x00ff00ff); *buf++ = (x >> 16) | (x << 16); + x = *buf; x = ((x << 8) & 0xff00ff00) | ((x >> 8) & 0x00ff00ff); *buf = (x >> 16) | (x << 16); +} +#else +#define byteSwap(buf, words) +#define byteSwapX16(buf) +#endif + +/* + * Update context to reflect the concatenation of another buffer full + * of bytes. + */ +static void FLAC__MD5Update(FLAC__MD5Context *ctx, FLAC__byte const *buf, uint32_t len) +{ + FLAC__uint32 t; + + /* Update byte count */ + + t = ctx->bytes[0]; + if ((ctx->bytes[0] = t + len) < t) + ctx->bytes[1]++; /* Carry from low to high */ + + t = 64 - (t & 0x3f); /* Space available in ctx->in (at least 1) */ + if (t > len) { + memcpy((FLAC__byte *)ctx->in + 64 - t, buf, len); + return; + } + /* First chunk is an odd size */ + memcpy((FLAC__byte *)ctx->in + 64 - t, buf, t); + byteSwapX16(ctx->in); + FLAC__MD5Transform(ctx->buf, ctx->in); + buf += t; + len -= t; + + /* Process data in 64-byte chunks */ + while (len >= 64) { + memcpy(ctx->in, buf, 64); + byteSwapX16(ctx->in); + FLAC__MD5Transform(ctx->buf, ctx->in); + buf += 64; + len -= 64; + } + + /* Handle any remaining bytes of data. */ + memcpy(ctx->in, buf, len); +} + +/* + * Start MD5 accumulation. Set bit count to 0 and buffer to mysterious + * initialization constants. + */ +void FLAC__MD5Init(FLAC__MD5Context *ctx) +{ + ctx->buf[0] = 0x67452301; + ctx->buf[1] = 0xefcdab89; + ctx->buf[2] = 0x98badcfe; + ctx->buf[3] = 0x10325476; + + ctx->bytes[0] = 0; + ctx->bytes[1] = 0; + + ctx->internal_buf.p8 = 0; + ctx->capacity = 0; +} + +/* + * Final wrapup - pad to 64-byte boundary with the bit pattern + * 1 0* (64-bit count of bits processed, MSB-first) + */ +void FLAC__MD5Final(FLAC__byte digest[16], FLAC__MD5Context *ctx) +{ + int count = ctx->bytes[0] & 0x3f; /* Number of bytes in ctx->in */ + FLAC__byte *p = (FLAC__byte *)ctx->in + count; + + /* Set the first char of padding to 0x80. There is always room. */ + *p++ = 0x80; + + /* Bytes of padding needed to make 56 bytes (-8..55) */ + count = 56 - 1 - count; + + if (count < 0) { /* Padding forces an extra block */ + memset(p, 0, count + 8); + byteSwapX16(ctx->in); + FLAC__MD5Transform(ctx->buf, ctx->in); + p = (FLAC__byte *)ctx->in; + count = 56; + } + memset(p, 0, count); + byteSwap(ctx->in, 14); + + /* Append length in bits and transform */ + ctx->in[14] = ctx->bytes[0] << 3; + ctx->in[15] = ctx->bytes[1] << 3 | ctx->bytes[0] >> 29; + FLAC__MD5Transform(ctx->buf, ctx->in); + + byteSwap(ctx->buf, 4); + memcpy(digest, ctx->buf, 16); + if (0 != ctx->internal_buf.p8) { + free(ctx->internal_buf.p8); + ctx->internal_buf.p8 = 0; + ctx->capacity = 0; + } + memset(ctx, 0, sizeof(*ctx)); /* In case it's sensitive */ +} + +/* + * Convert the incoming audio signal to a byte stream + */ +static void format_input_(FLAC__multibyte *mbuf, const FLAC__int32 * const signal[], uint32_t channels, uint32_t samples, uint32_t bytes_per_sample) +{ + FLAC__byte *buf_ = mbuf->p8; + FLAC__int16 *buf16 = mbuf->p16; + FLAC__int32 *buf32 = mbuf->p32; + FLAC__int32 a_word; + uint32_t channel, sample; + + /* Storage in the output buffer, buf, is little endian. */ + +#define BYTES_CHANNEL_SELECTOR(bytes, channels) (bytes * 100 + channels) + + /* First do the most commonly used combinations. */ + switch (BYTES_CHANNEL_SELECTOR (bytes_per_sample, channels)) { + /* One byte per sample. */ + case (BYTES_CHANNEL_SELECTOR (1, 1)): + for (sample = 0; sample < samples; sample++) + *buf_++ = signal[0][sample]; + return; + + case (BYTES_CHANNEL_SELECTOR (1, 2)): + for (sample = 0; sample < samples; sample++) { + *buf_++ = signal[0][sample]; + *buf_++ = signal[1][sample]; + } + return; + + case (BYTES_CHANNEL_SELECTOR (1, 4)): + for (sample = 0; sample < samples; sample++) { + *buf_++ = signal[0][sample]; + *buf_++ = signal[1][sample]; + *buf_++ = signal[2][sample]; + *buf_++ = signal[3][sample]; + } + return; + + case (BYTES_CHANNEL_SELECTOR (1, 6)): + for (sample = 0; sample < samples; sample++) { + *buf_++ = signal[0][sample]; + *buf_++ = signal[1][sample]; + *buf_++ = signal[2][sample]; + *buf_++ = signal[3][sample]; + *buf_++ = signal[4][sample]; + *buf_++ = signal[5][sample]; + } + return; + + case (BYTES_CHANNEL_SELECTOR (1, 8)): + for (sample = 0; sample < samples; sample++) { + *buf_++ = signal[0][sample]; + *buf_++ = signal[1][sample]; + *buf_++ = signal[2][sample]; + *buf_++ = signal[3][sample]; + *buf_++ = signal[4][sample]; + *buf_++ = signal[5][sample]; + *buf_++ = signal[6][sample]; + *buf_++ = signal[7][sample]; + } + return; + + /* Two bytes per sample. */ + case (BYTES_CHANNEL_SELECTOR (2, 1)): + for (sample = 0; sample < samples; sample++) + *buf16++ = H2LE_16(signal[0][sample]); + return; + + case (BYTES_CHANNEL_SELECTOR (2, 2)): + for (sample = 0; sample < samples; sample++) { + *buf16++ = H2LE_16(signal[0][sample]); + *buf16++ = H2LE_16(signal[1][sample]); + } + return; + + case (BYTES_CHANNEL_SELECTOR (2, 4)): + for (sample = 0; sample < samples; sample++) { + *buf16++ = H2LE_16(signal[0][sample]); + *buf16++ = H2LE_16(signal[1][sample]); + *buf16++ = H2LE_16(signal[2][sample]); + *buf16++ = H2LE_16(signal[3][sample]); + } + return; + + case (BYTES_CHANNEL_SELECTOR (2, 6)): + for (sample = 0; sample < samples; sample++) { + *buf16++ = H2LE_16(signal[0][sample]); + *buf16++ = H2LE_16(signal[1][sample]); + *buf16++ = H2LE_16(signal[2][sample]); + *buf16++ = H2LE_16(signal[3][sample]); + *buf16++ = H2LE_16(signal[4][sample]); + *buf16++ = H2LE_16(signal[5][sample]); + } + return; + + case (BYTES_CHANNEL_SELECTOR (2, 8)): + for (sample = 0; sample < samples; sample++) { + *buf16++ = H2LE_16(signal[0][sample]); + *buf16++ = H2LE_16(signal[1][sample]); + *buf16++ = H2LE_16(signal[2][sample]); + *buf16++ = H2LE_16(signal[3][sample]); + *buf16++ = H2LE_16(signal[4][sample]); + *buf16++ = H2LE_16(signal[5][sample]); + *buf16++ = H2LE_16(signal[6][sample]); + *buf16++ = H2LE_16(signal[7][sample]); + } + return; + + /* Three bytes per sample. */ + case (BYTES_CHANNEL_SELECTOR (3, 1)): + for (sample = 0; sample < samples; sample++) { + a_word = signal[0][sample]; + *buf_++ = (FLAC__byte)a_word; a_word >>= 8; + *buf_++ = (FLAC__byte)a_word; a_word >>= 8; + *buf_++ = (FLAC__byte)a_word; + } + return; + + case (BYTES_CHANNEL_SELECTOR (3, 2)): + for (sample = 0; sample < samples; sample++) { + a_word = signal[0][sample]; + *buf_++ = (FLAC__byte)a_word; a_word >>= 8; + *buf_++ = (FLAC__byte)a_word; a_word >>= 8; + *buf_++ = (FLAC__byte)a_word; + a_word = signal[1][sample]; + *buf_++ = (FLAC__byte)a_word; a_word >>= 8; + *buf_++ = (FLAC__byte)a_word; a_word >>= 8; + *buf_++ = (FLAC__byte)a_word; + } + return; + + /* Four bytes per sample. */ + case (BYTES_CHANNEL_SELECTOR (4, 1)): + for (sample = 0; sample < samples; sample++) + *buf32++ = H2LE_32(signal[0][sample]); + return; + + case (BYTES_CHANNEL_SELECTOR (4, 2)): + for (sample = 0; sample < samples; sample++) { + *buf32++ = H2LE_32(signal[0][sample]); + *buf32++ = H2LE_32(signal[1][sample]); + } + return; + + case (BYTES_CHANNEL_SELECTOR (4, 4)): + for (sample = 0; sample < samples; sample++) { + *buf32++ = H2LE_32(signal[0][sample]); + *buf32++ = H2LE_32(signal[1][sample]); + *buf32++ = H2LE_32(signal[2][sample]); + *buf32++ = H2LE_32(signal[3][sample]); + } + return; + + case (BYTES_CHANNEL_SELECTOR (4, 6)): + for (sample = 0; sample < samples; sample++) { + *buf32++ = H2LE_32(signal[0][sample]); + *buf32++ = H2LE_32(signal[1][sample]); + *buf32++ = H2LE_32(signal[2][sample]); + *buf32++ = H2LE_32(signal[3][sample]); + *buf32++ = H2LE_32(signal[4][sample]); + *buf32++ = H2LE_32(signal[5][sample]); + } + return; + + case (BYTES_CHANNEL_SELECTOR (4, 8)): + for (sample = 0; sample < samples; sample++) { + *buf32++ = H2LE_32(signal[0][sample]); + *buf32++ = H2LE_32(signal[1][sample]); + *buf32++ = H2LE_32(signal[2][sample]); + *buf32++ = H2LE_32(signal[3][sample]); + *buf32++ = H2LE_32(signal[4][sample]); + *buf32++ = H2LE_32(signal[5][sample]); + *buf32++ = H2LE_32(signal[6][sample]); + *buf32++ = H2LE_32(signal[7][sample]); + } + return; + + default: + break; + } + + /* General version. */ + switch (bytes_per_sample) { + case 1: + for (sample = 0; sample < samples; sample++) + for (channel = 0; channel < channels; channel++) + *buf_++ = signal[channel][sample]; + return; + + case 2: + for (sample = 0; sample < samples; sample++) + for (channel = 0; channel < channels; channel++) + *buf16++ = H2LE_16(signal[channel][sample]); + return; + + case 3: + for (sample = 0; sample < samples; sample++) + for (channel = 0; channel < channels; channel++) { + a_word = signal[channel][sample]; + *buf_++ = (FLAC__byte)a_word; a_word >>= 8; + *buf_++ = (FLAC__byte)a_word; a_word >>= 8; + *buf_++ = (FLAC__byte)a_word; + } + return; + + case 4: + for (sample = 0; sample < samples; sample++) + for (channel = 0; channel < channels; channel++) + *buf32++ = H2LE_32(signal[channel][sample]); + return; + + default: + break; + } +} + +/* + * Convert the incoming audio signal to a byte stream and FLAC__MD5Update it. + */ +FLAC__bool FLAC__MD5Accumulate(FLAC__MD5Context *ctx, const FLAC__int32 * const signal[], uint32_t channels, uint32_t samples, uint32_t bytes_per_sample) +{ + const size_t bytes_needed = (size_t)channels * (size_t)samples * (size_t)bytes_per_sample; + + /* overflow check */ + if ((size_t)channels > SIZE_MAX / (size_t)bytes_per_sample) + return false; + if ((size_t)channels * (size_t)bytes_per_sample > SIZE_MAX / (size_t)samples) + return false; + + if (ctx->capacity < bytes_needed) { + if (0 == (ctx->internal_buf.p8 = safe_realloc_(ctx->internal_buf.p8, bytes_needed))) { + if (0 == (ctx->internal_buf.p8 = safe_malloc_(bytes_needed))) { + ctx->capacity = 0; + return false; + } + } + ctx->capacity = bytes_needed; + } + + format_input_(&ctx->internal_buf, signal, channels, samples, bytes_per_sample); + + FLAC__MD5Update(ctx, ctx->internal_buf.p8, bytes_needed); + + return true; +} diff --git a/src/libFLAC/memory.c b/src/libFLAC/memory.c new file mode 100644 index 0000000..ad5371e --- /dev/null +++ b/src/libFLAC/memory.c @@ -0,0 +1,219 @@ +/* libFLAC - Free Lossless Audio Codec library + * Copyright (C) 2001-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * - Neither the name of the Xiph.org Foundation nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#ifdef HAVE_STDINT_H +#include <stdint.h> +#endif + +#include "private/memory.h" +#include "FLAC/assert.h" +#include "share/compat.h" +#include "share/alloc.h" + +void *FLAC__memory_alloc_aligned(size_t bytes, void **aligned_address) +{ + void *x; + + FLAC__ASSERT(0 != aligned_address); + +#ifdef FLAC__ALIGN_MALLOC_DATA + /* align on 32-byte (256-bit) boundary */ + x = safe_malloc_add_2op_(bytes, /*+*/31L); + *aligned_address = (void*)(((uintptr_t)x + 31L) & -32L); +#else + x = safe_malloc_(bytes); + *aligned_address = x; +#endif + return x; +} + +FLAC__bool FLAC__memory_alloc_aligned_int32_array(size_t elements, FLAC__int32 **unaligned_pointer, FLAC__int32 **aligned_pointer) +{ + FLAC__int32 *pu; /* unaligned pointer */ + union { /* union needed to comply with C99 pointer aliasing rules */ + FLAC__int32 *pa; /* aligned pointer */ + void *pv; /* aligned pointer alias */ + } u; + + FLAC__ASSERT(elements > 0); + FLAC__ASSERT(0 != unaligned_pointer); + FLAC__ASSERT(0 != aligned_pointer); + FLAC__ASSERT(unaligned_pointer != aligned_pointer); + + if(elements > SIZE_MAX / sizeof(*pu)) /* overflow check */ + return false; + + pu = FLAC__memory_alloc_aligned(sizeof(*pu) * elements, &u.pv); + if(0 == pu) { + return false; + } + else { + if(*unaligned_pointer != 0) + free(*unaligned_pointer); + *unaligned_pointer = pu; + *aligned_pointer = u.pa; + return true; + } +} + +FLAC__bool FLAC__memory_alloc_aligned_uint32_array(size_t elements, FLAC__uint32 **unaligned_pointer, FLAC__uint32 **aligned_pointer) +{ + FLAC__uint32 *pu; /* unaligned pointer */ + union { /* union needed to comply with C99 pointer aliasing rules */ + FLAC__uint32 *pa; /* aligned pointer */ + void *pv; /* aligned pointer alias */ + } u; + + FLAC__ASSERT(elements > 0); + FLAC__ASSERT(0 != unaligned_pointer); + FLAC__ASSERT(0 != aligned_pointer); + FLAC__ASSERT(unaligned_pointer != aligned_pointer); + + if(elements > SIZE_MAX / sizeof(*pu)) /* overflow check */ + return false; + + pu = FLAC__memory_alloc_aligned(sizeof(*pu) * elements, &u.pv); + if(0 == pu) { + return false; + } + else { + if(*unaligned_pointer != 0) + free(*unaligned_pointer); + *unaligned_pointer = pu; + *aligned_pointer = u.pa; + return true; + } +} + +FLAC__bool FLAC__memory_alloc_aligned_int64_array(size_t elements, FLAC__int64 **unaligned_pointer, FLAC__int64 **aligned_pointer) +{ + FLAC__int64 *pu; /* unaligned pointer */ + union { /* union needed to comply with C99 pointer aliasing rules */ + FLAC__int64 *pa; /* aligned pointer */ + void *pv; /* aligned pointer alias */ + } u; + + FLAC__ASSERT(elements > 0); + FLAC__ASSERT(0 != unaligned_pointer); + FLAC__ASSERT(0 != aligned_pointer); + FLAC__ASSERT(unaligned_pointer != aligned_pointer); + + if(elements > SIZE_MAX / sizeof(*pu)) /* overflow check */ + return false; + + pu = FLAC__memory_alloc_aligned(sizeof(*pu) * elements, &u.pv); + if(0 == pu) { + return false; + } + else { + if(*unaligned_pointer != 0) + free(*unaligned_pointer); + *unaligned_pointer = pu; + *aligned_pointer = u.pa; + return true; + } +} + +FLAC__bool FLAC__memory_alloc_aligned_uint64_array(size_t elements, FLAC__uint64 **unaligned_pointer, FLAC__uint64 **aligned_pointer) +{ + FLAC__uint64 *pu; /* unaligned pointer */ + union { /* union needed to comply with C99 pointer aliasing rules */ + FLAC__uint64 *pa; /* aligned pointer */ + void *pv; /* aligned pointer alias */ + } u; + + FLAC__ASSERT(elements > 0); + FLAC__ASSERT(0 != unaligned_pointer); + FLAC__ASSERT(0 != aligned_pointer); + FLAC__ASSERT(unaligned_pointer != aligned_pointer); + + if(elements > SIZE_MAX / sizeof(*pu)) /* overflow check */ + return false; + + pu = FLAC__memory_alloc_aligned(sizeof(*pu) * elements, &u.pv); + if(0 == pu) { + return false; + } + else { + if(*unaligned_pointer != 0) + free(*unaligned_pointer); + *unaligned_pointer = pu; + *aligned_pointer = u.pa; + return true; + } +} + +#ifndef FLAC__INTEGER_ONLY_LIBRARY + +FLAC__bool FLAC__memory_alloc_aligned_real_array(size_t elements, FLAC__real **unaligned_pointer, FLAC__real **aligned_pointer) +{ + FLAC__real *pu; /* unaligned pointer */ + union { /* union needed to comply with C99 pointer aliasing rules */ + FLAC__real *pa; /* aligned pointer */ + void *pv; /* aligned pointer alias */ + } u; + + FLAC__ASSERT(elements > 0); + FLAC__ASSERT(0 != unaligned_pointer); + FLAC__ASSERT(0 != aligned_pointer); + FLAC__ASSERT(unaligned_pointer != aligned_pointer); + + if(elements > SIZE_MAX / sizeof(*pu)) /* overflow check */ + return false; + + pu = FLAC__memory_alloc_aligned(sizeof(*pu) * elements, &u.pv); + if(0 == pu) { + return false; + } + else { + if(*unaligned_pointer != 0) + free(*unaligned_pointer); + *unaligned_pointer = pu; + *aligned_pointer = u.pa; + return true; + } +} + +#endif + +void *safe_malloc_mul_2op_p(size_t size1, size_t size2) +{ + if(!size1 || !size2) + return malloc(1); /* malloc(0) is undefined; FLAC src convention is to always allocate */ + if(size1 > SIZE_MAX / size2) + return 0; + return malloc(size1*size2); +} diff --git a/src/libFLAC/metadata_iterators.c b/src/libFLAC/metadata_iterators.c new file mode 100644 index 0000000..20e926b --- /dev/null +++ b/src/libFLAC/metadata_iterators.c @@ -0,0 +1,3554 @@ +/* libFLAC - Free Lossless Audio Codec library + * Copyright (C) 2001-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * - Neither the name of the Xiph.org Foundation nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include <errno.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <stdarg.h> + +#include <sys/stat.h> /* for stat(), maybe chmod() */ + +#include "private/metadata.h" + +#include "FLAC/assert.h" +#include "FLAC/stream_decoder.h" +#include "share/alloc.h" +#include "share/compat.h" +#include "share/macros.h" +#include "private/macros.h" +#include "private/memory.h" + +/* Alias the first (in share/alloc.h) to the second (in src/libFLAC/memory.c). */ +#define safe_malloc_mul_2op_ safe_malloc_mul_2op_p + +/**************************************************************************** + * + * Local function declarations + * + ***************************************************************************/ + +static void pack_uint32_(FLAC__uint32 val, FLAC__byte *b, uint32_t bytes); +static void pack_uint32_little_endian_(FLAC__uint32 val, FLAC__byte *b, uint32_t bytes); +static void pack_uint64_(FLAC__uint64 val, FLAC__byte *b, uint32_t bytes); +static FLAC__uint32 unpack_uint32_(FLAC__byte *b, uint32_t bytes); +static FLAC__uint32 unpack_uint32_little_endian_(FLAC__byte *b, uint32_t bytes); +static FLAC__uint64 unpack_uint64_(FLAC__byte *b, uint32_t bytes); + +static FLAC__bool read_metadata_block_header_(FLAC__Metadata_SimpleIterator *iterator); +static FLAC__bool read_metadata_block_data_(FLAC__Metadata_SimpleIterator *iterator, FLAC__StreamMetadata *block); +static FLAC__bool read_metadata_block_header_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__bool *is_last, FLAC__MetadataType *type, uint32_t *length); +static FLAC__Metadata_SimpleIteratorStatus read_metadata_block_data_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__IOCallback_Seek seek_cb, FLAC__StreamMetadata *block); +static FLAC__Metadata_SimpleIteratorStatus read_metadata_block_data_streaminfo_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__StreamMetadata_StreamInfo *block); +static FLAC__Metadata_SimpleIteratorStatus read_metadata_block_data_padding_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Seek seek_cb, FLAC__StreamMetadata_Padding *block, uint32_t block_length); +static FLAC__Metadata_SimpleIteratorStatus read_metadata_block_data_application_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__StreamMetadata_Application *block, uint32_t block_length); +static FLAC__Metadata_SimpleIteratorStatus read_metadata_block_data_seektable_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__StreamMetadata_SeekTable *block, uint32_t block_length); +static FLAC__Metadata_SimpleIteratorStatus read_metadata_block_data_vorbis_comment_entry_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__StreamMetadata_VorbisComment_Entry *entry, uint32_t max_length); +static FLAC__Metadata_SimpleIteratorStatus read_metadata_block_data_vorbis_comment_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__IOCallback_Seek seek_cb, FLAC__StreamMetadata_VorbisComment *block, uint32_t block_length); +static FLAC__Metadata_SimpleIteratorStatus read_metadata_block_data_cuesheet_track_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__StreamMetadata_CueSheet_Track *track); +static FLAC__Metadata_SimpleIteratorStatus read_metadata_block_data_cuesheet_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__StreamMetadata_CueSheet *block); +static FLAC__Metadata_SimpleIteratorStatus read_metadata_block_data_picture_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__StreamMetadata_Picture *block); +static FLAC__Metadata_SimpleIteratorStatus read_metadata_block_data_unknown_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__StreamMetadata_Unknown *block, uint32_t block_length); + +static FLAC__bool write_metadata_block_header_(FILE *file, FLAC__Metadata_SimpleIteratorStatus *status, const FLAC__StreamMetadata *block); +static FLAC__bool write_metadata_block_data_(FILE *file, FLAC__Metadata_SimpleIteratorStatus *status, const FLAC__StreamMetadata *block); +static FLAC__bool write_metadata_block_header_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Write write_cb, const FLAC__StreamMetadata *block); +static FLAC__bool write_metadata_block_data_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Write write_cb, const FLAC__StreamMetadata *block); +static FLAC__bool write_metadata_block_data_streaminfo_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Write write_cb, const FLAC__StreamMetadata_StreamInfo *block); +static FLAC__bool write_metadata_block_data_padding_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Write write_cb, const FLAC__StreamMetadata_Padding *block, uint32_t block_length); +static FLAC__bool write_metadata_block_data_application_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Write write_cb, const FLAC__StreamMetadata_Application *block, uint32_t block_length); +static FLAC__bool write_metadata_block_data_seektable_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Write write_cb, const FLAC__StreamMetadata_SeekTable *block); +static FLAC__bool write_metadata_block_data_vorbis_comment_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Write write_cb, const FLAC__StreamMetadata_VorbisComment *block); +static FLAC__bool write_metadata_block_data_cuesheet_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Write write_cb, const FLAC__StreamMetadata_CueSheet *block); +static FLAC__bool write_metadata_block_data_picture_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Write write_cb, const FLAC__StreamMetadata_Picture *block); +static FLAC__bool write_metadata_block_data_unknown_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Write write_cb, const FLAC__StreamMetadata_Unknown *block, uint32_t block_length); + +static FLAC__bool write_metadata_block_stationary_(FLAC__Metadata_SimpleIterator *iterator, const FLAC__StreamMetadata *block); +static FLAC__bool write_metadata_block_stationary_with_padding_(FLAC__Metadata_SimpleIterator *iterator, FLAC__StreamMetadata *block, uint32_t padding_length, FLAC__bool padding_is_last); +static FLAC__bool rewrite_whole_file_(FLAC__Metadata_SimpleIterator *iterator, FLAC__StreamMetadata *block, FLAC__bool append); + +static void simple_iterator_push_(FLAC__Metadata_SimpleIterator *iterator); +static FLAC__bool simple_iterator_pop_(FLAC__Metadata_SimpleIterator *iterator); + +static uint32_t seek_to_first_metadata_block_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__IOCallback_Seek seek_cb); +static uint32_t seek_to_first_metadata_block_(FILE *f); + +static FLAC__bool simple_iterator_copy_file_prefix_(FLAC__Metadata_SimpleIterator *iterator, FILE **tempfile, char **tempfilename, FLAC__bool append); +static FLAC__bool simple_iterator_copy_file_postfix_(FLAC__Metadata_SimpleIterator *iterator, FILE **tempfile, char **tempfilename, int fixup_is_last_code, FLAC__off_t fixup_is_last_flag_offset, FLAC__bool backup); + +static FLAC__bool copy_n_bytes_from_file_(FILE *file, FILE *tempfile, FLAC__off_t bytes, FLAC__Metadata_SimpleIteratorStatus *status); +static FLAC__bool copy_n_bytes_from_file_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__IOHandle temp_handle, FLAC__IOCallback_Write temp_write_cb, FLAC__off_t bytes, FLAC__Metadata_SimpleIteratorStatus *status); +static FLAC__bool copy_remaining_bytes_from_file_(FILE *file, FILE *tempfile, FLAC__Metadata_SimpleIteratorStatus *status); +static FLAC__bool copy_remaining_bytes_from_file_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__IOCallback_Eof eof_cb, FLAC__IOHandle temp_handle, FLAC__IOCallback_Write temp_write_cb, FLAC__Metadata_SimpleIteratorStatus *status); + +static FLAC__bool open_tempfile_(const char *filename, const char *tempfile_path_prefix, FILE **tempfile, char **tempfilename, FLAC__Metadata_SimpleIteratorStatus *status); +static FLAC__bool transport_tempfile_(const char *filename, FILE **tempfile, char **tempfilename, FLAC__Metadata_SimpleIteratorStatus *status); +static void cleanup_tempfile_(FILE **tempfile, char **tempfilename); + +static FLAC__bool get_file_stats_(const char *filename, struct flac_stat_s *stats); +static void set_file_stats_(const char *filename, struct flac_stat_s *stats); + +static int fseek_wrapper_(FLAC__IOHandle handle, FLAC__int64 offset, int whence); +static FLAC__int64 ftell_wrapper_(FLAC__IOHandle handle); + +static FLAC__Metadata_ChainStatus get_equivalent_status_(FLAC__Metadata_SimpleIteratorStatus status); + + +#ifdef FLAC__VALGRIND_TESTING +static size_t local__fwrite(const void *ptr, size_t size, size_t nmemb, FILE *stream) +{ + size_t ret = fwrite(ptr, size, nmemb, stream); + if(!ferror(stream)) + fflush(stream); + return ret; +} +#else +#define local__fwrite fwrite +#endif + +/**************************************************************************** + * + * Level 0 implementation + * + ***************************************************************************/ + +static FLAC__StreamDecoderWriteStatus write_callback_(const FLAC__StreamDecoder *decoder, const FLAC__Frame *frame, const FLAC__int32 * const buffer[], void *client_data); +static void metadata_callback_(const FLAC__StreamDecoder *decoder, const FLAC__StreamMetadata *metadata, void *client_data); +static void error_callback_(const FLAC__StreamDecoder *decoder, FLAC__StreamDecoderErrorStatus status, void *client_data); + +typedef struct { + FLAC__bool got_error; + FLAC__StreamMetadata *object; +} level0_client_data; + +static FLAC__StreamMetadata *get_one_metadata_block_(const char *filename, FLAC__MetadataType type) +{ + level0_client_data cd; + FLAC__StreamDecoder *decoder; + + FLAC__ASSERT(0 != filename); + + cd.got_error = false; + cd.object = 0; + + decoder = FLAC__stream_decoder_new(); + + if(0 == decoder) + return 0; + + FLAC__stream_decoder_set_md5_checking(decoder, false); + FLAC__stream_decoder_set_metadata_ignore_all(decoder); + FLAC__stream_decoder_set_metadata_respond(decoder, type); + + if(FLAC__stream_decoder_init_file(decoder, filename, write_callback_, metadata_callback_, error_callback_, &cd) != FLAC__STREAM_DECODER_INIT_STATUS_OK || cd.got_error) { + (void)FLAC__stream_decoder_finish(decoder); + FLAC__stream_decoder_delete(decoder); + return 0; + } + + if(!FLAC__stream_decoder_process_until_end_of_metadata(decoder) || cd.got_error) { + (void)FLAC__stream_decoder_finish(decoder); + FLAC__stream_decoder_delete(decoder); + if(0 != cd.object) + FLAC__metadata_object_delete(cd.object); + return 0; + } + + (void)FLAC__stream_decoder_finish(decoder); + FLAC__stream_decoder_delete(decoder); + + return cd.object; +} + +FLAC_API FLAC__bool FLAC__metadata_get_streaminfo(const char *filename, FLAC__StreamMetadata *streaminfo) +{ + FLAC__StreamMetadata *object; + + FLAC__ASSERT(0 != filename); + FLAC__ASSERT(0 != streaminfo); + + object = get_one_metadata_block_(filename, FLAC__METADATA_TYPE_STREAMINFO); + + if (object) { + /* can just copy the contents since STREAMINFO has no internal structure */ + *streaminfo = *object; + FLAC__metadata_object_delete(object); + return true; + } + else { + return false; + } +} + +FLAC_API FLAC__bool FLAC__metadata_get_tags(const char *filename, FLAC__StreamMetadata **tags) +{ + FLAC__ASSERT(0 != filename); + FLAC__ASSERT(0 != tags); + + *tags = get_one_metadata_block_(filename, FLAC__METADATA_TYPE_VORBIS_COMMENT); + + return 0 != *tags; +} + +FLAC_API FLAC__bool FLAC__metadata_get_cuesheet(const char *filename, FLAC__StreamMetadata **cuesheet) +{ + FLAC__ASSERT(0 != filename); + FLAC__ASSERT(0 != cuesheet); + + *cuesheet = get_one_metadata_block_(filename, FLAC__METADATA_TYPE_CUESHEET); + + return 0 != *cuesheet; +} + +FLAC__StreamDecoderWriteStatus write_callback_(const FLAC__StreamDecoder *decoder, const FLAC__Frame *frame, const FLAC__int32 * const buffer[], void *client_data) +{ + (void)decoder, (void)frame, (void)buffer, (void)client_data; + + return FLAC__STREAM_DECODER_WRITE_STATUS_CONTINUE; +} + +void metadata_callback_(const FLAC__StreamDecoder *decoder, const FLAC__StreamMetadata *metadata, void *client_data) +{ + level0_client_data *cd = (level0_client_data *)client_data; + (void)decoder; + + /* + * we assume we only get here when the one metadata block we were + * looking for was passed to us + */ + if(!cd->got_error && 0 == cd->object) { + if(0 == (cd->object = FLAC__metadata_object_clone(metadata))) + cd->got_error = true; + } +} + +void error_callback_(const FLAC__StreamDecoder *decoder, FLAC__StreamDecoderErrorStatus status, void *client_data) +{ + level0_client_data *cd = (level0_client_data *)client_data; + (void)decoder; + + if(status != FLAC__STREAM_DECODER_ERROR_STATUS_LOST_SYNC) + cd->got_error = true; +} + +FLAC_API FLAC__bool FLAC__metadata_get_picture(const char *filename, FLAC__StreamMetadata **picture, FLAC__StreamMetadata_Picture_Type type, const char *mime_type, const FLAC__byte *description, uint32_t max_width, uint32_t max_height, uint32_t max_depth, uint32_t max_colors) +{ + FLAC__Metadata_SimpleIterator *it; + FLAC__uint64 max_area_seen = 0; + FLAC__uint64 max_depth_seen = 0; + + FLAC__ASSERT(0 != filename); + FLAC__ASSERT(0 != picture); + + *picture = 0; + + it = FLAC__metadata_simple_iterator_new(); + if(0 == it) + return false; + if(!FLAC__metadata_simple_iterator_init(it, filename, /*read_only=*/true, /*preserve_file_stats=*/true)) { + FLAC__metadata_simple_iterator_delete(it); + return false; + } + do { + if(FLAC__metadata_simple_iterator_get_block_type(it) == FLAC__METADATA_TYPE_PICTURE) { + FLAC__StreamMetadata *obj = FLAC__metadata_simple_iterator_get_block(it); + if(0 != obj) { + FLAC__uint64 area = (FLAC__uint64)obj->data.picture.width * (FLAC__uint64)obj->data.picture.height; + + /* check constraints */ + if( + (type == (FLAC__StreamMetadata_Picture_Type)(-1) || type == obj->data.picture.type) && + (mime_type == 0 || !strcmp(mime_type, obj->data.picture.mime_type)) && + (description == 0 || !strcmp((const char *)description, (const char *)obj->data.picture.description)) && + obj->data.picture.width <= max_width && + obj->data.picture.height <= max_height && + obj->data.picture.depth <= max_depth && + obj->data.picture.colors <= max_colors && + (area > max_area_seen || (area == max_area_seen && obj->data.picture.depth > max_depth_seen)) + ) { + if(*picture) + FLAC__metadata_object_delete(*picture); + *picture = obj; + max_area_seen = area; + max_depth_seen = obj->data.picture.depth; + } + else { + FLAC__metadata_object_delete(obj); + } + } + else + break; + } + } while(FLAC__metadata_simple_iterator_next(it)); + + FLAC__metadata_simple_iterator_delete(it); + + return (0 != *picture); +} + + +/**************************************************************************** + * + * Level 1 implementation + * + ***************************************************************************/ + +#define SIMPLE_ITERATOR_MAX_PUSH_DEPTH (1+4) +/* 1 for initial offset, +4 for our own personal use */ + +struct FLAC__Metadata_SimpleIterator { + FILE *file; + char *filename, *tempfile_path_prefix; + struct flac_stat_s stats; + FLAC__bool has_stats; + FLAC__bool is_writable; + FLAC__Metadata_SimpleIteratorStatus status; + FLAC__off_t offset[SIMPLE_ITERATOR_MAX_PUSH_DEPTH]; + FLAC__off_t first_offset; /* this is the offset to the STREAMINFO block */ + uint32_t depth; + /* this is the metadata block header of the current block we are pointing to: */ + FLAC__bool is_last; + FLAC__MetadataType type; + uint32_t length; +}; + +FLAC_API const char * const FLAC__Metadata_SimpleIteratorStatusString[] = { + "FLAC__METADATA_SIMPLE_ITERATOR_STATUS_OK", + "FLAC__METADATA_SIMPLE_ITERATOR_STATUS_ILLEGAL_INPUT", + "FLAC__METADATA_SIMPLE_ITERATOR_STATUS_ERROR_OPENING_FILE", + "FLAC__METADATA_SIMPLE_ITERATOR_STATUS_NOT_A_FLAC_FILE", + "FLAC__METADATA_SIMPLE_ITERATOR_STATUS_NOT_WRITABLE", + "FLAC__METADATA_SIMPLE_ITERATOR_STATUS_BAD_METADATA", + "FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR", + "FLAC__METADATA_SIMPLE_ITERATOR_STATUS_SEEK_ERROR", + "FLAC__METADATA_SIMPLE_ITERATOR_STATUS_WRITE_ERROR", + "FLAC__METADATA_SIMPLE_ITERATOR_STATUS_RENAME_ERROR", + "FLAC__METADATA_SIMPLE_ITERATOR_STATUS_UNLINK_ERROR", + "FLAC__METADATA_SIMPLE_ITERATOR_STATUS_MEMORY_ALLOCATION_ERROR", + "FLAC__METADATA_SIMPLE_ITERATOR_STATUS_INTERNAL_ERROR" +}; + + +FLAC_API FLAC__Metadata_SimpleIterator *FLAC__metadata_simple_iterator_new(void) +{ + FLAC__Metadata_SimpleIterator *iterator = calloc(1, sizeof(FLAC__Metadata_SimpleIterator)); + + if(0 != iterator) { + iterator->file = 0; + iterator->filename = 0; + iterator->tempfile_path_prefix = 0; + iterator->has_stats = false; + iterator->is_writable = false; + iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_OK; + iterator->first_offset = iterator->offset[0] = -1; + iterator->depth = 0; + } + + return iterator; +} + +static void simple_iterator_free_guts_(FLAC__Metadata_SimpleIterator *iterator) +{ + FLAC__ASSERT(0 != iterator); + + if(0 != iterator->file) { + fclose(iterator->file); + iterator->file = 0; + if(iterator->has_stats) + set_file_stats_(iterator->filename, &iterator->stats); + } + if(0 != iterator->filename) { + free(iterator->filename); + iterator->filename = 0; + } + if(0 != iterator->tempfile_path_prefix) { + free(iterator->tempfile_path_prefix); + iterator->tempfile_path_prefix = 0; + } +} + +FLAC_API void FLAC__metadata_simple_iterator_delete(FLAC__Metadata_SimpleIterator *iterator) +{ + FLAC__ASSERT(0 != iterator); + + simple_iterator_free_guts_(iterator); + free(iterator); +} + +FLAC_API FLAC__Metadata_SimpleIteratorStatus FLAC__metadata_simple_iterator_status(FLAC__Metadata_SimpleIterator *iterator) +{ + FLAC__Metadata_SimpleIteratorStatus status; + + FLAC__ASSERT(0 != iterator); + + status = iterator->status; + iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_OK; + return status; +} + +static FLAC__bool simple_iterator_prime_input_(FLAC__Metadata_SimpleIterator *iterator, FLAC__bool read_only) +{ + uint32_t ret; + + FLAC__ASSERT(0 != iterator); + + if(read_only || 0 == (iterator->file = flac_fopen(iterator->filename, "r+b"))) { + iterator->is_writable = false; + if(read_only || errno == EACCES) { + if(0 == (iterator->file = flac_fopen(iterator->filename, "rb"))) { + iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_ERROR_OPENING_FILE; + return false; + } + } + else { + iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_ERROR_OPENING_FILE; + return false; + } + } + else { + iterator->is_writable = true; + } + + ret = seek_to_first_metadata_block_(iterator->file); + switch(ret) { + case 0: + iterator->depth = 0; + iterator->first_offset = iterator->offset[iterator->depth] = ftello(iterator->file); + ret = read_metadata_block_header_(iterator); + /* The first metadata block must be a streaminfo. If this is not the + * case, the file is invalid and assumptions made elsewhere in the + * code are invalid */ + if(iterator->type != FLAC__METADATA_TYPE_STREAMINFO) { + iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_BAD_METADATA; + return false; + } + return ret; + case 1: + iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR; + return false; + case 2: + iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_SEEK_ERROR; + return false; + case 3: + iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_NOT_A_FLAC_FILE; + return false; + default: + FLAC__ASSERT(0); + return false; + } +} + +#if 0 +@@@ If we decide to finish implementing this, put this comment back in metadata.h +/* + * The 'tempfile_path_prefix' allows you to specify a directory where + * tempfiles should go. Remember that if your metadata edits cause the + * FLAC file to grow, the entire file will have to be rewritten. If + * 'tempfile_path_prefix' is NULL, the temp file will be written in the + * same directory as the original FLAC file. This makes replacing the + * original with the tempfile fast but requires extra space in the same + * partition for the tempfile. If space is a problem, you can pass a + * directory name belonging to a different partition in + * 'tempfile_path_prefix'. Note that you should use the forward slash + * '/' as the directory separator. A trailing slash is not needed; it + * will be added automatically. + */ +FLAC__bool FLAC__metadata_simple_iterator_init(FLAC__Metadata_SimpleIterator *iterator, const char *filename, FLAC__bool preserve_file_stats, const char *tempfile_path_prefix); +#endif + +FLAC_API FLAC__bool FLAC__metadata_simple_iterator_init(FLAC__Metadata_SimpleIterator *iterator, const char *filename, FLAC__bool read_only, FLAC__bool preserve_file_stats) +{ + const char *tempfile_path_prefix = 0; /*@@@ search for comments near 'flac_rename(...)' for what it will take to finish implementing this */ + + FLAC__ASSERT(0 != iterator); + FLAC__ASSERT(0 != filename); + + simple_iterator_free_guts_(iterator); + + if(!read_only && preserve_file_stats) + iterator->has_stats = get_file_stats_(filename, &iterator->stats); + + if(0 == (iterator->filename = strdup(filename))) { + iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_MEMORY_ALLOCATION_ERROR; + return false; + } + if(0 != tempfile_path_prefix && 0 == (iterator->tempfile_path_prefix = strdup(tempfile_path_prefix))) { + iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_MEMORY_ALLOCATION_ERROR; + return false; + } + + return simple_iterator_prime_input_(iterator, read_only); +} + +FLAC_API FLAC__bool FLAC__metadata_simple_iterator_is_writable(const FLAC__Metadata_SimpleIterator *iterator) +{ + FLAC__ASSERT(0 != iterator); + FLAC__ASSERT(0 != iterator->file); + + return iterator->is_writable; +} + +FLAC_API FLAC__bool FLAC__metadata_simple_iterator_next(FLAC__Metadata_SimpleIterator *iterator) +{ + FLAC__ASSERT(0 != iterator); + FLAC__ASSERT(0 != iterator->file); + FLAC__ASSERT(iterator->status == FLAC__METADATA_SIMPLE_ITERATOR_STATUS_OK); + + if(iterator->is_last) + return false; + + if(0 != fseeko(iterator->file, iterator->length, SEEK_CUR)) { + iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_SEEK_ERROR; + return false; + } + + iterator->offset[iterator->depth] = ftello(iterator->file); + + return read_metadata_block_header_(iterator); +} + +FLAC_API FLAC__bool FLAC__metadata_simple_iterator_prev(FLAC__Metadata_SimpleIterator *iterator) +{ + FLAC__off_t this_offset; + + FLAC__ASSERT(0 != iterator); + FLAC__ASSERT(0 != iterator->file); + FLAC__ASSERT(iterator->status == FLAC__METADATA_SIMPLE_ITERATOR_STATUS_OK); + + if(iterator->offset[iterator->depth] == iterator->first_offset) + return false; + + if(0 != fseeko(iterator->file, iterator->first_offset, SEEK_SET)) { + iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_SEEK_ERROR; + return false; + } + this_offset = iterator->first_offset; + if(!read_metadata_block_header_(iterator)) + return false; + + /* we ignore any error from ftello() and catch it in fseeko() */ + while(ftello(iterator->file) + (FLAC__off_t)iterator->length < iterator->offset[iterator->depth]) { + if(0 != fseeko(iterator->file, iterator->length, SEEK_CUR)) { + iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_SEEK_ERROR; + return false; + } + this_offset = ftello(iterator->file); + if(!read_metadata_block_header_(iterator)) + return false; + } + + iterator->offset[iterator->depth] = this_offset; + + return true; +} + +/*@@@@add to tests*/ +FLAC_API FLAC__bool FLAC__metadata_simple_iterator_is_last(const FLAC__Metadata_SimpleIterator *iterator) +{ + FLAC__ASSERT(0 != iterator); + FLAC__ASSERT(0 != iterator->file); + FLAC__ASSERT(iterator->status == FLAC__METADATA_SIMPLE_ITERATOR_STATUS_OK); + + return iterator->is_last; +} + +/*@@@@add to tests*/ +FLAC_API off_t FLAC__metadata_simple_iterator_get_block_offset(const FLAC__Metadata_SimpleIterator *iterator) +{ + FLAC__ASSERT(0 != iterator); + FLAC__ASSERT(0 != iterator->file); + FLAC__ASSERT(iterator->status == FLAC__METADATA_SIMPLE_ITERATOR_STATUS_OK); + + return (off_t)iterator->offset[iterator->depth]; +} + +FLAC_API FLAC__MetadataType FLAC__metadata_simple_iterator_get_block_type(const FLAC__Metadata_SimpleIterator *iterator) +{ + FLAC__ASSERT(0 != iterator); + FLAC__ASSERT(0 != iterator->file); + FLAC__ASSERT(iterator->status == FLAC__METADATA_SIMPLE_ITERATOR_STATUS_OK); + + return iterator->type; +} + +/*@@@@add to tests*/ +FLAC_API uint32_t FLAC__metadata_simple_iterator_get_block_length(const FLAC__Metadata_SimpleIterator *iterator) +{ + FLAC__ASSERT(0 != iterator); + FLAC__ASSERT(0 != iterator->file); + FLAC__ASSERT(iterator->status == FLAC__METADATA_SIMPLE_ITERATOR_STATUS_OK); + + return iterator->length; +} + +/*@@@@add to tests*/ +FLAC_API FLAC__bool FLAC__metadata_simple_iterator_get_application_id(FLAC__Metadata_SimpleIterator *iterator, FLAC__byte *id) +{ + const uint32_t id_bytes = FLAC__STREAM_METADATA_APPLICATION_ID_LEN / 8; + + FLAC__ASSERT(0 != iterator); + FLAC__ASSERT(0 != iterator->file); + FLAC__ASSERT(0 != id); + FLAC__ASSERT(iterator->status == FLAC__METADATA_SIMPLE_ITERATOR_STATUS_OK); + + if(iterator->type != FLAC__METADATA_TYPE_APPLICATION) { + iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_ILLEGAL_INPUT; + return false; + } + + if(fread(id, 1, id_bytes, iterator->file) != id_bytes) { + iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR; + return false; + } + + /* back up */ + if(0 != fseeko(iterator->file, -((int)id_bytes), SEEK_CUR)) { + iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_SEEK_ERROR; + return false; + } + + return true; +} + +FLAC_API FLAC__StreamMetadata *FLAC__metadata_simple_iterator_get_block(FLAC__Metadata_SimpleIterator *iterator) +{ + FLAC__StreamMetadata *block = FLAC__metadata_object_new(iterator->type); + + FLAC__ASSERT(0 != iterator); + FLAC__ASSERT(0 != iterator->file); + FLAC__ASSERT(iterator->status == FLAC__METADATA_SIMPLE_ITERATOR_STATUS_OK); + + if(0 != block) { + block->is_last = iterator->is_last; + block->length = iterator->length; + + if(!read_metadata_block_data_(iterator, block)) { + FLAC__metadata_object_delete(block); + return 0; + } + + /* back up to the beginning of the block data to stay consistent */ + if(0 != fseeko(iterator->file, iterator->offset[iterator->depth] + FLAC__STREAM_METADATA_HEADER_LENGTH, SEEK_SET)) { + iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_SEEK_ERROR; + FLAC__metadata_object_delete(block); + return 0; + } + } + else + iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_MEMORY_ALLOCATION_ERROR; + + return block; +} + +FLAC_API FLAC__bool FLAC__metadata_simple_iterator_set_block(FLAC__Metadata_SimpleIterator *iterator, FLAC__StreamMetadata *block, FLAC__bool use_padding) +{ + FLAC__ASSERT_DECLARATION(FLAC__off_t debug_target_offset = iterator->offset[iterator->depth];) + FLAC__bool ret; + + FLAC__ASSERT(0 != iterator); + FLAC__ASSERT(0 != iterator->file); + FLAC__ASSERT(0 != block); + FLAC__ASSERT(iterator->status == FLAC__METADATA_SIMPLE_ITERATOR_STATUS_OK); + + if(!iterator->is_writable) { + iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_NOT_WRITABLE; + return false; + } + + if(iterator->type == FLAC__METADATA_TYPE_STREAMINFO || block->type == FLAC__METADATA_TYPE_STREAMINFO) { + if(iterator->type != block->type) { + iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_ILLEGAL_INPUT; + return false; + } + } + + block->is_last = iterator->is_last; + + if(iterator->length == block->length) + return write_metadata_block_stationary_(iterator, block); + else if(iterator->length > block->length) { + if(use_padding && iterator->length >= FLAC__STREAM_METADATA_HEADER_LENGTH + block->length) { + ret = write_metadata_block_stationary_with_padding_(iterator, block, iterator->length - FLAC__STREAM_METADATA_HEADER_LENGTH - block->length, block->is_last); + FLAC__ASSERT(!ret || iterator->offset[iterator->depth] == debug_target_offset); + FLAC__ASSERT(!ret || ftello(iterator->file) == debug_target_offset + (FLAC__off_t)FLAC__STREAM_METADATA_HEADER_LENGTH); + return ret; + } + else { + if((ret = rewrite_whole_file_(iterator, block, /*append=*/false))) { + FLAC__ASSERT(!ret || iterator->offset[iterator->depth] == debug_target_offset); + FLAC__ASSERT(!ret || ftello(iterator->file) == debug_target_offset + (FLAC__off_t)FLAC__STREAM_METADATA_HEADER_LENGTH); + } + return ret; + } + } + else /* iterator->length < block->length */ { + uint32_t padding_leftover = 0; + FLAC__bool padding_is_last = false; + if(use_padding) { + /* first see if we can even use padding */ + if(iterator->is_last) { + use_padding = false; + } + else { + const uint32_t extra_padding_bytes_required = block->length - iterator->length; + simple_iterator_push_(iterator); + if(!FLAC__metadata_simple_iterator_next(iterator)) { + (void)simple_iterator_pop_(iterator); + return false; + } + if(iterator->type != FLAC__METADATA_TYPE_PADDING) { + use_padding = false; + } + else { + if(FLAC__STREAM_METADATA_HEADER_LENGTH + iterator->length == extra_padding_bytes_required) { + padding_leftover = 0; + block->is_last = iterator->is_last; + } + else if(iterator->length < extra_padding_bytes_required) + use_padding = false; + else { + padding_leftover = FLAC__STREAM_METADATA_HEADER_LENGTH + iterator->length - extra_padding_bytes_required; + padding_is_last = iterator->is_last; + block->is_last = false; + } + } + if(!simple_iterator_pop_(iterator)) + return false; + } + } + if(use_padding) { + if(padding_leftover == 0) { + ret = write_metadata_block_stationary_(iterator, block); + FLAC__ASSERT(!ret || iterator->offset[iterator->depth] == debug_target_offset); + FLAC__ASSERT(!ret || ftello(iterator->file) == debug_target_offset + (FLAC__off_t)FLAC__STREAM_METADATA_HEADER_LENGTH); + return ret; + } + else { + FLAC__ASSERT(padding_leftover >= FLAC__STREAM_METADATA_HEADER_LENGTH); + ret = write_metadata_block_stationary_with_padding_(iterator, block, padding_leftover - FLAC__STREAM_METADATA_HEADER_LENGTH, padding_is_last); + FLAC__ASSERT(!ret || iterator->offset[iterator->depth] == debug_target_offset); + FLAC__ASSERT(!ret || ftello(iterator->file) == debug_target_offset + (FLAC__off_t)FLAC__STREAM_METADATA_HEADER_LENGTH); + return ret; + } + } + else { + if((ret = rewrite_whole_file_(iterator, block, /*append=*/false))) { + FLAC__ASSERT(!ret || iterator->offset[iterator->depth] == debug_target_offset); + FLAC__ASSERT(!ret || ftello(iterator->file) == debug_target_offset + (FLAC__off_t)FLAC__STREAM_METADATA_HEADER_LENGTH); + } + return ret; + } + } +} + +FLAC_API FLAC__bool FLAC__metadata_simple_iterator_insert_block_after(FLAC__Metadata_SimpleIterator *iterator, FLAC__StreamMetadata *block, FLAC__bool use_padding) +{ + uint32_t padding_leftover = 0; + FLAC__bool padding_is_last = false; + + FLAC__ASSERT_DECLARATION(FLAC__off_t debug_target_offset = iterator->offset[iterator->depth] + FLAC__STREAM_METADATA_HEADER_LENGTH + iterator->length;) + FLAC__bool ret; + + FLAC__ASSERT(0 != iterator); + FLAC__ASSERT(0 != iterator->file); + FLAC__ASSERT(0 != block); + FLAC__ASSERT(iterator->status == FLAC__METADATA_SIMPLE_ITERATOR_STATUS_OK); + + if(!iterator->is_writable) { + iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_NOT_WRITABLE; + return false; + } + + if(block->type == FLAC__METADATA_TYPE_STREAMINFO) { + iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_ILLEGAL_INPUT; + return false; + } + + block->is_last = iterator->is_last; + + if(use_padding) { + /* first see if we can even use padding */ + if(iterator->is_last) { + use_padding = false; + } + else { + simple_iterator_push_(iterator); + if(!FLAC__metadata_simple_iterator_next(iterator)) { + (void)simple_iterator_pop_(iterator); + return false; + } + if(iterator->type != FLAC__METADATA_TYPE_PADDING) { + use_padding = false; + } + else { + if(iterator->length == block->length) { + padding_leftover = 0; + block->is_last = iterator->is_last; + } + else if(iterator->length < FLAC__STREAM_METADATA_HEADER_LENGTH + block->length) + use_padding = false; + else { + padding_leftover = iterator->length - block->length; + padding_is_last = iterator->is_last; + block->is_last = false; + } + } + if(!simple_iterator_pop_(iterator)) + return false; + } + } + if(use_padding) { + /* move to the next block, which is suitable padding */ + if(!FLAC__metadata_simple_iterator_next(iterator)) + return false; + if(padding_leftover == 0) { + ret = write_metadata_block_stationary_(iterator, block); + FLAC__ASSERT(iterator->offset[iterator->depth] == debug_target_offset); + FLAC__ASSERT(ftello(iterator->file) == debug_target_offset + (FLAC__off_t)FLAC__STREAM_METADATA_HEADER_LENGTH); + return ret; + } + else { + FLAC__ASSERT(padding_leftover >= FLAC__STREAM_METADATA_HEADER_LENGTH); + ret = write_metadata_block_stationary_with_padding_(iterator, block, padding_leftover - FLAC__STREAM_METADATA_HEADER_LENGTH, padding_is_last); + FLAC__ASSERT(iterator->offset[iterator->depth] == debug_target_offset); + FLAC__ASSERT(ftello(iterator->file) == debug_target_offset + (FLAC__off_t)FLAC__STREAM_METADATA_HEADER_LENGTH); + return ret; + } + } + else { + if((ret = rewrite_whole_file_(iterator, block, /*append=*/true))) { + FLAC__ASSERT(iterator->offset[iterator->depth] == debug_target_offset); + FLAC__ASSERT(ftello(iterator->file) == debug_target_offset + (FLAC__off_t)FLAC__STREAM_METADATA_HEADER_LENGTH); + } + return ret; + } +} + +FLAC_API FLAC__bool FLAC__metadata_simple_iterator_delete_block(FLAC__Metadata_SimpleIterator *iterator, FLAC__bool use_padding) +{ + FLAC__ASSERT_DECLARATION(FLAC__off_t debug_target_offset = iterator->offset[iterator->depth];) + FLAC__bool ret; + + FLAC__ASSERT(iterator->status == FLAC__METADATA_SIMPLE_ITERATOR_STATUS_OK); + + if(!iterator->is_writable) { + iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_NOT_WRITABLE; + return false; + } + + if(iterator->type == FLAC__METADATA_TYPE_STREAMINFO) { + iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_ILLEGAL_INPUT; + return false; + } + + if(use_padding) { + FLAC__StreamMetadata *padding = FLAC__metadata_object_new(FLAC__METADATA_TYPE_PADDING); + if(0 == padding) { + iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_MEMORY_ALLOCATION_ERROR; + return false; + } + padding->length = iterator->length; + if(!FLAC__metadata_simple_iterator_set_block(iterator, padding, false)) { + FLAC__metadata_object_delete(padding); + return false; + } + FLAC__metadata_object_delete(padding); + if(!FLAC__metadata_simple_iterator_prev(iterator)) + return false; + FLAC__ASSERT(iterator->offset[iterator->depth] + (FLAC__off_t)FLAC__STREAM_METADATA_HEADER_LENGTH + (FLAC__off_t)iterator->length == debug_target_offset); + FLAC__ASSERT(ftello(iterator->file) + (FLAC__off_t)iterator->length == debug_target_offset); + return true; + } + else { + if((ret = rewrite_whole_file_(iterator, 0, /*append=*/false))) { + FLAC__ASSERT(iterator->offset[iterator->depth] + (FLAC__off_t)FLAC__STREAM_METADATA_HEADER_LENGTH + (FLAC__off_t)iterator->length == debug_target_offset); + FLAC__ASSERT(ftello(iterator->file) + (FLAC__off_t)iterator->length == debug_target_offset); + } + return ret; + } +} + + + +/**************************************************************************** + * + * Level 2 implementation + * + ***************************************************************************/ + + +typedef struct FLAC__Metadata_Node { + FLAC__StreamMetadata *data; + struct FLAC__Metadata_Node *prev, *next; +} FLAC__Metadata_Node; + +struct FLAC__Metadata_Chain { + char *filename; /* will be NULL if using callbacks */ + FLAC__bool is_ogg; + FLAC__Metadata_Node *head; + FLAC__Metadata_Node *tail; + uint32_t nodes; + FLAC__Metadata_ChainStatus status; + FLAC__off_t first_offset, last_offset; + /* + * This is the length of the chain initially read from the FLAC file. + * it is used to compare against the current length to decide whether + * or not the whole file has to be rewritten. + */ + FLAC__off_t initial_length; + /* @@@ hacky, these are currently only needed by ogg reader */ + FLAC__IOHandle handle; + FLAC__IOCallback_Read read_cb; +}; + +struct FLAC__Metadata_Iterator { + FLAC__Metadata_Chain *chain; + FLAC__Metadata_Node *current; +}; + +FLAC_API const char * const FLAC__Metadata_ChainStatusString[] = { + "FLAC__METADATA_CHAIN_STATUS_OK", + "FLAC__METADATA_CHAIN_STATUS_ILLEGAL_INPUT", + "FLAC__METADATA_CHAIN_STATUS_ERROR_OPENING_FILE", + "FLAC__METADATA_CHAIN_STATUS_NOT_A_FLAC_FILE", + "FLAC__METADATA_CHAIN_STATUS_NOT_WRITABLE", + "FLAC__METADATA_CHAIN_STATUS_BAD_METADATA", + "FLAC__METADATA_CHAIN_STATUS_READ_ERROR", + "FLAC__METADATA_CHAIN_STATUS_SEEK_ERROR", + "FLAC__METADATA_CHAIN_STATUS_WRITE_ERROR", + "FLAC__METADATA_CHAIN_STATUS_RENAME_ERROR", + "FLAC__METADATA_CHAIN_STATUS_UNLINK_ERROR", + "FLAC__METADATA_CHAIN_STATUS_MEMORY_ALLOCATION_ERROR", + "FLAC__METADATA_CHAIN_STATUS_INTERNAL_ERROR", + "FLAC__METADATA_CHAIN_STATUS_INVALID_CALLBACKS", + "FLAC__METADATA_CHAIN_STATUS_READ_WRITE_MISMATCH", + "FLAC__METADATA_CHAIN_STATUS_WRONG_WRITE_CALL" +}; + + +static FLAC__Metadata_Node *node_new_(void) +{ + return calloc(1, sizeof(FLAC__Metadata_Node)); +} + +static void node_delete_(FLAC__Metadata_Node *node) +{ + FLAC__ASSERT(0 != node); + if(0 != node->data) + FLAC__metadata_object_delete(node->data); + free(node); +} + +static void chain_init_(FLAC__Metadata_Chain *chain) +{ + FLAC__ASSERT(0 != chain); + + chain->filename = 0; + chain->is_ogg = false; + chain->head = chain->tail = 0; + chain->nodes = 0; + chain->status = FLAC__METADATA_CHAIN_STATUS_OK; + chain->initial_length = 0; + chain->read_cb = 0; +} + +static void chain_clear_(FLAC__Metadata_Chain *chain) +{ + FLAC__Metadata_Node *node, *next; + + FLAC__ASSERT(0 != chain); + + for(node = chain->head; node; ) { + next = node->next; + node_delete_(node); + node = next; + } + + if(0 != chain->filename) + free(chain->filename); + + chain_init_(chain); +} + +static void chain_append_node_(FLAC__Metadata_Chain *chain, FLAC__Metadata_Node *node) +{ + FLAC__ASSERT(0 != chain); + FLAC__ASSERT(0 != node); + FLAC__ASSERT(0 != node->data); + + node->next = node->prev = 0; + node->data->is_last = true; + if(0 != chain->tail) + chain->tail->data->is_last = false; + + if(0 == chain->head) + chain->head = node; + else { + FLAC__ASSERT(0 != chain->tail); + chain->tail->next = node; + node->prev = chain->tail; + } + chain->tail = node; + chain->nodes++; +} + +static void chain_remove_node_(FLAC__Metadata_Chain *chain, FLAC__Metadata_Node *node) +{ + FLAC__ASSERT(0 != chain); + FLAC__ASSERT(0 != node); + + if(node == chain->head) + chain->head = node->next; + else + node->prev->next = node->next; + + if(node == chain->tail) + chain->tail = node->prev; + else + node->next->prev = node->prev; + + if(0 != chain->tail) + chain->tail->data->is_last = true; + + chain->nodes--; +} + +static void chain_delete_node_(FLAC__Metadata_Chain *chain, FLAC__Metadata_Node *node) +{ + chain_remove_node_(chain, node); + node_delete_(node); +} + +static FLAC__off_t chain_calculate_length_(FLAC__Metadata_Chain *chain) +{ + const FLAC__Metadata_Node *node; + FLAC__off_t length = 0; + for(node = chain->head; node; node = node->next) + length += (FLAC__STREAM_METADATA_HEADER_LENGTH + node->data->length); + return length; +} + +static void iterator_insert_node_(FLAC__Metadata_Iterator *iterator, FLAC__Metadata_Node *node) +{ + FLAC__ASSERT(0 != node); + FLAC__ASSERT(0 != node->data); + FLAC__ASSERT(0 != iterator); + FLAC__ASSERT(0 != iterator->current); + FLAC__ASSERT(0 != iterator->chain); + FLAC__ASSERT(0 != iterator->chain->head); + FLAC__ASSERT(0 != iterator->chain->tail); + + node->data->is_last = false; + + node->prev = iterator->current->prev; + node->next = iterator->current; + + if(0 == node->prev) + iterator->chain->head = node; + else + node->prev->next = node; + + iterator->current->prev = node; + + iterator->chain->nodes++; +} + +static void iterator_insert_node_after_(FLAC__Metadata_Iterator *iterator, FLAC__Metadata_Node *node) +{ + FLAC__ASSERT(0 != node); + FLAC__ASSERT(0 != node->data); + FLAC__ASSERT(0 != iterator); + FLAC__ASSERT(0 != iterator->current); + FLAC__ASSERT(0 != iterator->chain); + FLAC__ASSERT(0 != iterator->chain->head); + FLAC__ASSERT(0 != iterator->chain->tail); + + iterator->current->data->is_last = false; + + node->prev = iterator->current; + node->next = iterator->current->next; + + if(0 == node->next) + iterator->chain->tail = node; + else + node->next->prev = node; + + node->prev->next = node; + + iterator->chain->tail->data->is_last = true; + + iterator->chain->nodes++; +} + +/* return true iff node and node->next are both padding */ +static FLAC__bool chain_merge_adjacent_padding_(FLAC__Metadata_Chain *chain, FLAC__Metadata_Node *node) +{ + if(node->data->type == FLAC__METADATA_TYPE_PADDING && 0 != node->next && node->next->data->type == FLAC__METADATA_TYPE_PADDING) { + const uint32_t growth = FLAC__STREAM_METADATA_HEADER_LENGTH + node->next->data->length; + node->data->length += growth; /* new block size can be greater than max metadata block size, but it'll be fixed later in chain_prepare_for_write_() */ + + chain_delete_node_(chain, node->next); + return true; + } + else + return false; +} + +#if defined(_MSC_VER) +// silence three MSVC warnings 'conversion from 'conversion from 'const __int64' to 'uint32_t', possible loss of data' +#pragma warning ( disable : 4244 ) +#endif + +/* Returns the new length of the chain, or 0 if there was an error. */ +/* WATCHOUT: This can get called multiple times before a write, so + * it should still work when this happens. + */ +/* WATCHOUT: Make sure to also update the logic in + * FLAC__metadata_chain_check_if_tempfile_needed() if the logic here changes. + */ +static FLAC__off_t chain_prepare_for_write_(FLAC__Metadata_Chain *chain, FLAC__bool use_padding) +{ + FLAC__off_t current_length = chain_calculate_length_(chain); + FLAC__Metadata_Node * i; + + /* Check all is_last settings on the blocks */ + for(i = chain->head; i->next != NULL; i = i->next) + i->data->is_last = 0; + chain->tail->data->is_last = 1; + + if(use_padding) { + /* if the metadata shrank and the last block is padding, we just extend the last padding block */ + if(current_length < chain->initial_length && chain->tail->data->type == FLAC__METADATA_TYPE_PADDING) { + const FLAC__off_t delta = chain->initial_length - current_length; + chain->tail->data->length += delta; + current_length += delta; + FLAC__ASSERT(current_length == chain->initial_length); + } + /* if the metadata shrank more than 4 bytes then there's room to add another padding block */ + else if(current_length + (FLAC__off_t)FLAC__STREAM_METADATA_HEADER_LENGTH <= chain->initial_length) { + FLAC__StreamMetadata *padding; + FLAC__Metadata_Node *node; + if(0 == (padding = FLAC__metadata_object_new(FLAC__METADATA_TYPE_PADDING))) { + chain->status = FLAC__METADATA_CHAIN_STATUS_MEMORY_ALLOCATION_ERROR; + return 0; + } + padding->length = chain->initial_length - (FLAC__STREAM_METADATA_HEADER_LENGTH + current_length); + if(0 == (node = node_new_())) { + FLAC__metadata_object_delete(padding); + chain->status = FLAC__METADATA_CHAIN_STATUS_MEMORY_ALLOCATION_ERROR; + return 0; + } + node->data = padding; + chain_append_node_(chain, node); + current_length = chain_calculate_length_(chain); + FLAC__ASSERT(current_length == chain->initial_length); + } + /* if the metadata grew but the last block is padding, try cutting the padding to restore the original length so we don't have to rewrite the whole file */ + else if(current_length > chain->initial_length) { + const FLAC__off_t delta = current_length - chain->initial_length; + if(chain->tail->data->type == FLAC__METADATA_TYPE_PADDING) { + /* if the delta is exactly the size of the last padding block, remove the padding block */ + if((FLAC__off_t)chain->tail->data->length + (FLAC__off_t)FLAC__STREAM_METADATA_HEADER_LENGTH == delta) { + chain_delete_node_(chain, chain->tail); + current_length = chain_calculate_length_(chain); + FLAC__ASSERT(current_length == chain->initial_length); + } + /* if there is at least 'delta' bytes of padding, trim the padding down */ + else if((FLAC__off_t)chain->tail->data->length >= delta) { + chain->tail->data->length -= delta; + current_length -= delta; + FLAC__ASSERT(current_length == chain->initial_length); + } + } + } + } + + /* check sizes of all metadata blocks; reduce padding size if necessary */ + { + FLAC__Metadata_Node *node; + for (node = chain->head; node; node = node->next) { + if(node->data->length >= (1u << FLAC__STREAM_METADATA_LENGTH_LEN)) { + if(node->data->type == FLAC__METADATA_TYPE_PADDING) { + node->data->length = (1u << FLAC__STREAM_METADATA_LENGTH_LEN) - 1; + current_length = chain_calculate_length_(chain); + } else { + chain->status = FLAC__METADATA_CHAIN_STATUS_BAD_METADATA; + return 0; + } + } + } + } + + return current_length; +} + +#if defined(_MSC_VER) +#pragma warning ( default : 4244 ) +#endif + +static FLAC__bool chain_read_cb_(FLAC__Metadata_Chain *chain, FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__IOCallback_Seek seek_cb, FLAC__IOCallback_Tell tell_cb) +{ + FLAC__Metadata_Node *node; + + FLAC__ASSERT(0 != chain); + + /* we assume we're already at the beginning of the file */ + + switch(seek_to_first_metadata_block_cb_(handle, read_cb, seek_cb)) { + case 0: + break; + case 1: + chain->status = FLAC__METADATA_CHAIN_STATUS_READ_ERROR; + return false; + case 2: + chain->status = FLAC__METADATA_CHAIN_STATUS_SEEK_ERROR; + return false; + case 3: + chain->status = FLAC__METADATA_CHAIN_STATUS_NOT_A_FLAC_FILE; + return false; + default: + FLAC__ASSERT(0); + return false; + } + + { + FLAC__int64 pos = tell_cb(handle); + if(pos < 0) { + chain->status = FLAC__METADATA_CHAIN_STATUS_READ_ERROR; + return false; + } + chain->first_offset = (FLAC__off_t)pos; + } + + { + FLAC__bool is_last; + FLAC__MetadataType type; + uint32_t length; + + do { + node = node_new_(); + if(0 == node) { + chain->status = FLAC__METADATA_CHAIN_STATUS_MEMORY_ALLOCATION_ERROR; + return false; + } + + if(!read_metadata_block_header_cb_(handle, read_cb, &is_last, &type, &length)) { + node_delete_(node); + chain->status = FLAC__METADATA_CHAIN_STATUS_READ_ERROR; + return false; + } + + node->data = FLAC__metadata_object_new(type); + if(0 == node->data) { + node_delete_(node); + chain->status = FLAC__METADATA_CHAIN_STATUS_MEMORY_ALLOCATION_ERROR; + return false; + } + + node->data->is_last = is_last; + node->data->length = length; + + chain->status = get_equivalent_status_(read_metadata_block_data_cb_(handle, read_cb, seek_cb, node->data)); + if(chain->status != FLAC__METADATA_CHAIN_STATUS_OK) { + node_delete_(node); + return false; + } + chain_append_node_(chain, node); + } while(!is_last); + } + + { + FLAC__int64 pos = tell_cb(handle); + if(pos < 0) { + chain->status = FLAC__METADATA_CHAIN_STATUS_READ_ERROR; + return false; + } + chain->last_offset = (FLAC__off_t)pos; + } + + if(chain->head->data->type != FLAC__METADATA_TYPE_STREAMINFO) { + chain->status = FLAC__METADATA_CHAIN_STATUS_BAD_METADATA; + return false; + } + + chain->initial_length = chain_calculate_length_(chain); + + return true; +} + +static FLAC__StreamDecoderReadStatus chain_read_ogg_read_cb_(const FLAC__StreamDecoder *decoder, FLAC__byte buffer[], size_t *bytes, void *client_data) +{ + FLAC__Metadata_Chain *chain = (FLAC__Metadata_Chain*)client_data; + (void)decoder; + if(*bytes > 0 && chain->status == FLAC__METADATA_CHAIN_STATUS_OK) { + *bytes = chain->read_cb(buffer, sizeof(FLAC__byte), *bytes, chain->handle); + if(*bytes == 0) + return FLAC__STREAM_DECODER_READ_STATUS_END_OF_STREAM; + else + return FLAC__STREAM_DECODER_READ_STATUS_CONTINUE; + } + else + return FLAC__STREAM_DECODER_READ_STATUS_ABORT; +} + +static FLAC__StreamDecoderWriteStatus chain_read_ogg_write_cb_(const FLAC__StreamDecoder *decoder, const FLAC__Frame *frame, const FLAC__int32 * const buffer[], void *client_data) +{ + (void)decoder, (void)frame, (void)buffer, (void)client_data; + return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT; +} + +static void chain_read_ogg_metadata_cb_(const FLAC__StreamDecoder *decoder, const FLAC__StreamMetadata *metadata, void *client_data) +{ + FLAC__Metadata_Chain *chain = (FLAC__Metadata_Chain*)client_data; + FLAC__Metadata_Node *node; + + (void)decoder; + + node = node_new_(); + if(0 == node) { + chain->status = FLAC__METADATA_CHAIN_STATUS_MEMORY_ALLOCATION_ERROR; + return; + } + + node->data = FLAC__metadata_object_clone(metadata); + if(0 == node->data) { + node_delete_(node); + chain->status = FLAC__METADATA_CHAIN_STATUS_MEMORY_ALLOCATION_ERROR; + return; + } + + chain_append_node_(chain, node); +} + +static void chain_read_ogg_error_cb_(const FLAC__StreamDecoder *decoder, FLAC__StreamDecoderErrorStatus status, void *client_data) +{ + FLAC__Metadata_Chain *chain = (FLAC__Metadata_Chain*)client_data; + (void)decoder, (void)status; + chain->status = FLAC__METADATA_CHAIN_STATUS_INTERNAL_ERROR; /*@@@ maybe needs better error code */ +} + +static FLAC__bool chain_read_ogg_cb_(FLAC__Metadata_Chain *chain, FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb) +{ + FLAC__StreamDecoder *decoder; + + FLAC__ASSERT(0 != chain); + + /* we assume we're already at the beginning of the file */ + + chain->handle = handle; + chain->read_cb = read_cb; + if(0 == (decoder = FLAC__stream_decoder_new())) { + chain->status = FLAC__METADATA_CHAIN_STATUS_MEMORY_ALLOCATION_ERROR; + return false; + } + FLAC__stream_decoder_set_metadata_respond_all(decoder); + if(FLAC__stream_decoder_init_ogg_stream(decoder, chain_read_ogg_read_cb_, /*seek_callback=*/0, /*tell_callback=*/0, /*length_callback=*/0, /*eof_callback=*/0, chain_read_ogg_write_cb_, chain_read_ogg_metadata_cb_, chain_read_ogg_error_cb_, chain) != FLAC__STREAM_DECODER_INIT_STATUS_OK) { + FLAC__stream_decoder_delete(decoder); + chain->status = FLAC__METADATA_CHAIN_STATUS_INTERNAL_ERROR; /*@@@ maybe needs better error code */ + return false; + } + + chain->first_offset = 0; /*@@@ wrong; will need to be set correctly to implement metadata writing for Ogg FLAC */ + + if(!FLAC__stream_decoder_process_until_end_of_metadata(decoder)) + chain->status = FLAC__METADATA_CHAIN_STATUS_INTERNAL_ERROR; /*@@@ maybe needs better error code */ + if(chain->status != FLAC__METADATA_CHAIN_STATUS_OK) { + FLAC__stream_decoder_delete(decoder); + return false; + } + + FLAC__stream_decoder_delete(decoder); + + chain->last_offset = 0; /*@@@ wrong; will need to be set correctly to implement metadata writing for Ogg FLAC */ + + chain->initial_length = chain_calculate_length_(chain); + + if(chain->initial_length == 0 || chain->head->data->type != FLAC__METADATA_TYPE_STREAMINFO) { + /* Ogg FLAC file must have at least streaminfo and vorbis comment */ + chain->status = FLAC__METADATA_CHAIN_STATUS_BAD_METADATA; + return false; + } + + return true; +} + +static FLAC__bool chain_rewrite_metadata_in_place_cb_(FLAC__Metadata_Chain *chain, FLAC__IOHandle handle, FLAC__IOCallback_Write write_cb, FLAC__IOCallback_Seek seek_cb) +{ + FLAC__Metadata_Node *node; + + FLAC__ASSERT(0 != chain); + FLAC__ASSERT(0 != chain->head); + + if(0 != seek_cb(handle, chain->first_offset, SEEK_SET)) { + chain->status = FLAC__METADATA_CHAIN_STATUS_SEEK_ERROR; + return false; + } + + for(node = chain->head; node; node = node->next) { + if(!write_metadata_block_header_cb_(handle, write_cb, node->data)) { + chain->status = FLAC__METADATA_CHAIN_STATUS_WRITE_ERROR; + return false; + } + if(!write_metadata_block_data_cb_(handle, write_cb, node->data)) { + chain->status = FLAC__METADATA_CHAIN_STATUS_WRITE_ERROR; + return false; + } + } + + /*FLAC__ASSERT(fflush(), ftello() == chain->last_offset);*/ + + chain->status = FLAC__METADATA_CHAIN_STATUS_OK; + return true; +} + +static FLAC__bool chain_rewrite_metadata_in_place_(FLAC__Metadata_Chain *chain) +{ + FILE *file; + FLAC__bool ret; + + FLAC__ASSERT(0 != chain->filename); + + if(0 == (file = flac_fopen(chain->filename, "r+b"))) { + chain->status = FLAC__METADATA_CHAIN_STATUS_ERROR_OPENING_FILE; + return false; + } + + /* chain_rewrite_metadata_in_place_cb_() sets chain->status for us */ + ret = chain_rewrite_metadata_in_place_cb_(chain, (FLAC__IOHandle)file, (FLAC__IOCallback_Write)fwrite, fseek_wrapper_); + + fclose(file); + + return ret; +} + +static FLAC__bool chain_rewrite_file_(FLAC__Metadata_Chain *chain, const char *tempfile_path_prefix) +{ + FILE *f, *tempfile = NULL; + char *tempfilename; + FLAC__Metadata_SimpleIteratorStatus status; + const FLAC__Metadata_Node *node; + + FLAC__ASSERT(0 != chain); + FLAC__ASSERT(0 != chain->filename); + FLAC__ASSERT(0 != chain->head); + + /* copy the file prefix (data up to first metadata block */ + if(0 == (f = flac_fopen(chain->filename, "rb"))) { + chain->status = FLAC__METADATA_CHAIN_STATUS_ERROR_OPENING_FILE; + return false; + } + if(!open_tempfile_(chain->filename, tempfile_path_prefix, &tempfile, &tempfilename, &status)) { + chain->status = get_equivalent_status_(status); + goto err; + } + if(!copy_n_bytes_from_file_(f, tempfile, chain->first_offset, &status)) { + chain->status = get_equivalent_status_(status); + goto err; + } + + /* write the metadata */ + for(node = chain->head; node; node = node->next) { + if(!write_metadata_block_header_(tempfile, &status, node->data)) { + chain->status = get_equivalent_status_(status); + goto err; + } + if(!write_metadata_block_data_(tempfile, &status, node->data)) { + chain->status = get_equivalent_status_(status); + goto err; + } + } + /*FLAC__ASSERT(fflush(), ftello() == chain->last_offset);*/ + + /* copy the file postfix (everything after the metadata) */ + if(0 != fseeko(f, chain->last_offset, SEEK_SET)) { + chain->status = FLAC__METADATA_CHAIN_STATUS_SEEK_ERROR; + goto err; + } + if(!copy_remaining_bytes_from_file_(f, tempfile, &status)) { + chain->status = get_equivalent_status_(status); + goto err; + } + + /* move the tempfile on top of the original */ + (void)fclose(f); + if(!transport_tempfile_(chain->filename, &tempfile, &tempfilename, &status)) + return false; + + return true; + +err: + (void)fclose(f); + cleanup_tempfile_(&tempfile, &tempfilename); + return false; +} + +/* assumes 'handle' is already at beginning of file */ +static FLAC__bool chain_rewrite_file_cb_(FLAC__Metadata_Chain *chain, FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__IOCallback_Seek seek_cb, FLAC__IOCallback_Eof eof_cb, FLAC__IOHandle temp_handle, FLAC__IOCallback_Write temp_write_cb) +{ + FLAC__Metadata_SimpleIteratorStatus status; + const FLAC__Metadata_Node *node; + + FLAC__ASSERT(0 != chain); + FLAC__ASSERT(0 == chain->filename); + FLAC__ASSERT(0 != chain->head); + + /* copy the file prefix (data up to first metadata block */ + if(!copy_n_bytes_from_file_cb_(handle, read_cb, temp_handle, temp_write_cb, chain->first_offset, &status)) { + chain->status = get_equivalent_status_(status); + return false; + } + + /* write the metadata */ + for(node = chain->head; node; node = node->next) { + if(!write_metadata_block_header_cb_(temp_handle, temp_write_cb, node->data)) { + chain->status = FLAC__METADATA_CHAIN_STATUS_WRITE_ERROR; + return false; + } + if(!write_metadata_block_data_cb_(temp_handle, temp_write_cb, node->data)) { + chain->status = FLAC__METADATA_CHAIN_STATUS_WRITE_ERROR; + return false; + } + } + /*FLAC__ASSERT(fflush(), ftello() == chain->last_offset);*/ + + /* copy the file postfix (everything after the metadata) */ + if(0 != seek_cb(handle, chain->last_offset, SEEK_SET)) { + chain->status = FLAC__METADATA_CHAIN_STATUS_SEEK_ERROR; + return false; + } + if(!copy_remaining_bytes_from_file_cb_(handle, read_cb, eof_cb, temp_handle, temp_write_cb, &status)) { + chain->status = get_equivalent_status_(status); + return false; + } + + return true; +} + +FLAC_API FLAC__Metadata_Chain *FLAC__metadata_chain_new(void) +{ + FLAC__Metadata_Chain *chain = calloc(1, sizeof(FLAC__Metadata_Chain)); + + if(0 != chain) + chain_init_(chain); + + return chain; +} + +FLAC_API void FLAC__metadata_chain_delete(FLAC__Metadata_Chain *chain) +{ + FLAC__ASSERT(0 != chain); + + chain_clear_(chain); + + free(chain); +} + +FLAC_API FLAC__Metadata_ChainStatus FLAC__metadata_chain_status(FLAC__Metadata_Chain *chain) +{ + FLAC__Metadata_ChainStatus status; + + FLAC__ASSERT(0 != chain); + + status = chain->status; + chain->status = FLAC__METADATA_CHAIN_STATUS_OK; + return status; +} + +static FLAC__bool chain_read_(FLAC__Metadata_Chain *chain, const char *filename, FLAC__bool is_ogg) +{ + FILE *file; + FLAC__bool ret; + + FLAC__ASSERT(0 != chain); + FLAC__ASSERT(0 != filename); + + chain_clear_(chain); + + if(0 == (chain->filename = strdup(filename))) { + chain->status = FLAC__METADATA_CHAIN_STATUS_MEMORY_ALLOCATION_ERROR; + return false; + } + + chain->is_ogg = is_ogg; + + if(0 == (file = flac_fopen(filename, "rb"))) { + chain->status = FLAC__METADATA_CHAIN_STATUS_ERROR_OPENING_FILE; + return false; + } + + /* the function also sets chain->status for us */ + ret = is_ogg? + chain_read_ogg_cb_(chain, file, (FLAC__IOCallback_Read)fread) : + chain_read_cb_(chain, file, (FLAC__IOCallback_Read)fread, fseek_wrapper_, ftell_wrapper_) + ; + + fclose(file); + + return ret; +} + +FLAC_API FLAC__bool FLAC__metadata_chain_read(FLAC__Metadata_Chain *chain, const char *filename) +{ + return chain_read_(chain, filename, /*is_ogg=*/false); +} + +/*@@@@add to tests*/ +FLAC_API FLAC__bool FLAC__metadata_chain_read_ogg(FLAC__Metadata_Chain *chain, const char *filename) +{ + return chain_read_(chain, filename, /*is_ogg=*/true); +} + +static FLAC__bool chain_read_with_callbacks_(FLAC__Metadata_Chain *chain, FLAC__IOHandle handle, FLAC__IOCallbacks callbacks, FLAC__bool is_ogg) +{ + FLAC__bool ret; + + FLAC__ASSERT(0 != chain); + + chain_clear_(chain); + + if (0 == callbacks.read || 0 == callbacks.seek || 0 == callbacks.tell) { + chain->status = FLAC__METADATA_CHAIN_STATUS_INVALID_CALLBACKS; + return false; + } + + chain->is_ogg = is_ogg; + + /* rewind */ + if(0 != callbacks.seek(handle, 0, SEEK_SET)) { + chain->status = FLAC__METADATA_CHAIN_STATUS_SEEK_ERROR; + return false; + } + + /* the function also sets chain->status for us */ + ret = is_ogg? + chain_read_ogg_cb_(chain, handle, callbacks.read) : + chain_read_cb_(chain, handle, callbacks.read, callbacks.seek, callbacks.tell) + ; + + return ret; +} + +FLAC_API FLAC__bool FLAC__metadata_chain_read_with_callbacks(FLAC__Metadata_Chain *chain, FLAC__IOHandle handle, FLAC__IOCallbacks callbacks) +{ + return chain_read_with_callbacks_(chain, handle, callbacks, /*is_ogg=*/false); +} + +/*@@@@add to tests*/ +FLAC_API FLAC__bool FLAC__metadata_chain_read_ogg_with_callbacks(FLAC__Metadata_Chain *chain, FLAC__IOHandle handle, FLAC__IOCallbacks callbacks) +{ + return chain_read_with_callbacks_(chain, handle, callbacks, /*is_ogg=*/true); +} + +typedef enum { + LBS_NONE = 0, + LBS_SIZE_CHANGED, + LBS_BLOCK_ADDED, + LBS_BLOCK_REMOVED +} LastBlockState; + +#if defined(_MSC_VER) +// silence three MSVC warnings 'conversion from 'conversion from 'const __int64' to 'uint32_t', possible loss of data' +#pragma warning ( disable : 4244 ) +#endif + +FLAC_API FLAC__bool FLAC__metadata_chain_check_if_tempfile_needed(FLAC__Metadata_Chain *chain, FLAC__bool use_padding) +{ + /* This does all the same checks that are in chain_prepare_for_write_() + * but doesn't actually alter the chain. Make sure to update the logic + * here if chain_prepare_for_write_() changes. + */ + FLAC__off_t current_length; + LastBlockState lbs_state = LBS_NONE; + uint32_t lbs_size = 0; + + FLAC__ASSERT(0 != chain); + + current_length = chain_calculate_length_(chain); + + if(use_padding) { + const FLAC__Metadata_Node * const node = chain->tail; + /* if the metadata shrank and the last block is padding, we just extend the last padding block */ + if(current_length < chain->initial_length && node->data->type == FLAC__METADATA_TYPE_PADDING) { + lbs_state = LBS_SIZE_CHANGED; + lbs_size = node->data->length + (chain->initial_length - current_length); + } + /* if the metadata shrank more than 4 bytes then there's room to add another padding block */ + else if(current_length + (FLAC__off_t)FLAC__STREAM_METADATA_HEADER_LENGTH <= chain->initial_length) { + lbs_state = LBS_BLOCK_ADDED; + lbs_size = chain->initial_length - (current_length + (FLAC__off_t)FLAC__STREAM_METADATA_HEADER_LENGTH); + } + /* if the metadata grew but the last block is padding, try cutting the padding to restore the original length so we don't have to rewrite the whole file */ + else if(current_length > chain->initial_length) { + const FLAC__off_t delta = current_length - chain->initial_length; + if(node->data->type == FLAC__METADATA_TYPE_PADDING) { + /* if the delta is exactly the size of the last padding block, remove the padding block */ + if((FLAC__off_t)node->data->length + (FLAC__off_t)FLAC__STREAM_METADATA_HEADER_LENGTH == delta) { + lbs_state = LBS_BLOCK_REMOVED; + lbs_size = 0; + } + /* if there is at least 'delta' bytes of padding, trim the padding down */ + else if((FLAC__off_t)node->data->length >= delta) { + lbs_state = LBS_SIZE_CHANGED; + lbs_size = node->data->length - delta; + } + } + } + } + + current_length = 0; + /* check sizes of all metadata blocks; reduce padding size if necessary */ + { + const FLAC__Metadata_Node *node; + for(node = chain->head; node; node = node->next) { + uint32_t block_len = node->data->length; + if(node == chain->tail) { + if(lbs_state == LBS_BLOCK_REMOVED) + continue; + else if(lbs_state == LBS_SIZE_CHANGED) + block_len = lbs_size; + } + if(block_len >= (1u << FLAC__STREAM_METADATA_LENGTH_LEN)) { + if(node->data->type == FLAC__METADATA_TYPE_PADDING) + block_len = (1u << FLAC__STREAM_METADATA_LENGTH_LEN) - 1; + else + return false /* the return value doesn't matter */; + } + current_length += (FLAC__STREAM_METADATA_HEADER_LENGTH + block_len); + } + + if(lbs_state == LBS_BLOCK_ADDED) { + /* test added padding block */ + uint32_t block_len = lbs_size; + if(block_len >= (1u << FLAC__STREAM_METADATA_LENGTH_LEN)) + block_len = (1u << FLAC__STREAM_METADATA_LENGTH_LEN) - 1; + current_length += (FLAC__STREAM_METADATA_HEADER_LENGTH + block_len); + } + } + + return (current_length != chain->initial_length); +} + +#if defined(_MSC_VER) +#pragma warning ( default : 4244 ) +#endif + +FLAC_API FLAC__bool FLAC__metadata_chain_write(FLAC__Metadata_Chain *chain, FLAC__bool use_padding, FLAC__bool preserve_file_stats) +{ + struct flac_stat_s stats; + const char *tempfile_path_prefix = 0; + FLAC__off_t current_length; + + FLAC__ASSERT(0 != chain); + + if (chain->is_ogg) { /* cannot write back to Ogg FLAC yet */ + chain->status = FLAC__METADATA_CHAIN_STATUS_INTERNAL_ERROR; + return false; + } + + if (0 == chain->filename) { + chain->status = FLAC__METADATA_CHAIN_STATUS_READ_WRITE_MISMATCH; + return false; + } + + current_length = chain_prepare_for_write_(chain, use_padding); + + /* a return value of 0 means there was an error; chain->status is already set */ + if (0 == current_length) + return false; + + if(preserve_file_stats) + get_file_stats_(chain->filename, &stats); + + if(current_length == chain->initial_length) { + if(!chain_rewrite_metadata_in_place_(chain)) + return false; + } + else { + if(!chain_rewrite_file_(chain, tempfile_path_prefix)) + return false; + + /* recompute lengths and offsets */ + { + const FLAC__Metadata_Node *node; + chain->initial_length = current_length; + chain->last_offset = chain->first_offset; + for(node = chain->head; node; node = node->next) + chain->last_offset += (FLAC__STREAM_METADATA_HEADER_LENGTH + node->data->length); + } + } + + if(preserve_file_stats) + set_file_stats_(chain->filename, &stats); + + return true; +} + +FLAC_API FLAC__bool FLAC__metadata_chain_write_with_callbacks(FLAC__Metadata_Chain *chain, FLAC__bool use_padding, FLAC__IOHandle handle, FLAC__IOCallbacks callbacks) +{ + FLAC__off_t current_length; + + FLAC__ASSERT(0 != chain); + + if (chain->is_ogg) { /* cannot write back to Ogg FLAC yet */ + chain->status = FLAC__METADATA_CHAIN_STATUS_INTERNAL_ERROR; + return false; + } + + if (0 != chain->filename) { + chain->status = FLAC__METADATA_CHAIN_STATUS_READ_WRITE_MISMATCH; + return false; + } + + if (0 == callbacks.write || 0 == callbacks.seek) { + chain->status = FLAC__METADATA_CHAIN_STATUS_INVALID_CALLBACKS; + return false; + } + + if (FLAC__metadata_chain_check_if_tempfile_needed(chain, use_padding)) { + chain->status = FLAC__METADATA_CHAIN_STATUS_WRONG_WRITE_CALL; + return false; + } + + current_length = chain_prepare_for_write_(chain, use_padding); + + /* a return value of 0 means there was an error; chain->status is already set */ + if (0 == current_length) + return false; + + FLAC__ASSERT(current_length == chain->initial_length); + + return chain_rewrite_metadata_in_place_cb_(chain, handle, callbacks.write, callbacks.seek); +} + +FLAC_API FLAC__bool FLAC__metadata_chain_write_with_callbacks_and_tempfile(FLAC__Metadata_Chain *chain, FLAC__bool use_padding, FLAC__IOHandle handle, FLAC__IOCallbacks callbacks, FLAC__IOHandle temp_handle, FLAC__IOCallbacks temp_callbacks) +{ + FLAC__off_t current_length; + + FLAC__ASSERT(0 != chain); + + if (chain->is_ogg) { /* cannot write back to Ogg FLAC yet */ + chain->status = FLAC__METADATA_CHAIN_STATUS_INTERNAL_ERROR; + return false; + } + + if (0 != chain->filename) { + chain->status = FLAC__METADATA_CHAIN_STATUS_READ_WRITE_MISMATCH; + return false; + } + + if (0 == callbacks.read || 0 == callbacks.seek || 0 == callbacks.eof) { + chain->status = FLAC__METADATA_CHAIN_STATUS_INVALID_CALLBACKS; + return false; + } + if (0 == temp_callbacks.write) { + chain->status = FLAC__METADATA_CHAIN_STATUS_INVALID_CALLBACKS; + return false; + } + + if (!FLAC__metadata_chain_check_if_tempfile_needed(chain, use_padding)) { + chain->status = FLAC__METADATA_CHAIN_STATUS_WRONG_WRITE_CALL; + return false; + } + + current_length = chain_prepare_for_write_(chain, use_padding); + + /* a return value of 0 means there was an error; chain->status is already set */ + if (0 == current_length) + return false; + + FLAC__ASSERT(current_length != chain->initial_length); + + /* rewind */ + if(0 != callbacks.seek(handle, 0, SEEK_SET)) { + chain->status = FLAC__METADATA_CHAIN_STATUS_SEEK_ERROR; + return false; + } + + if(!chain_rewrite_file_cb_(chain, handle, callbacks.read, callbacks.seek, callbacks.eof, temp_handle, temp_callbacks.write)) + return false; + + /* recompute lengths and offsets */ + { + const FLAC__Metadata_Node *node; + chain->initial_length = current_length; + chain->last_offset = chain->first_offset; + for(node = chain->head; node; node = node->next) + chain->last_offset += (FLAC__STREAM_METADATA_HEADER_LENGTH + node->data->length); + } + + return true; +} + +FLAC_API void FLAC__metadata_chain_merge_padding(FLAC__Metadata_Chain *chain) +{ + FLAC__Metadata_Node *node; + + FLAC__ASSERT(0 != chain); + + for(node = chain->head; node; ) { + if(!chain_merge_adjacent_padding_(chain, node)) + node = node->next; + } +} + +FLAC_API void FLAC__metadata_chain_sort_padding(FLAC__Metadata_Chain *chain) +{ + FLAC__Metadata_Node *node, *save; + uint32_t i; + + FLAC__ASSERT(0 != chain); + + /* + * Don't try and be too smart... this simple algo is good enough for + * the small number of nodes that we deal with. + */ + for(i = 0, node = chain->head; i < chain->nodes; i++) { + if(node->data->type == FLAC__METADATA_TYPE_PADDING) { + save = node->next; + chain_remove_node_(chain, node); + chain_append_node_(chain, node); + node = save; + } + else { + node = node->next; + } + } + + FLAC__metadata_chain_merge_padding(chain); +} + + +FLAC_API FLAC__Metadata_Iterator *FLAC__metadata_iterator_new(void) +{ + FLAC__Metadata_Iterator *iterator = calloc(1, sizeof(FLAC__Metadata_Iterator)); + + /* calloc() implies: + iterator->current = 0; + iterator->chain = 0; + */ + + return iterator; +} + +FLAC_API void FLAC__metadata_iterator_delete(FLAC__Metadata_Iterator *iterator) +{ + FLAC__ASSERT(0 != iterator); + + free(iterator); +} + +FLAC_API void FLAC__metadata_iterator_init(FLAC__Metadata_Iterator *iterator, FLAC__Metadata_Chain *chain) +{ + FLAC__ASSERT(0 != iterator); + FLAC__ASSERT(0 != chain); + FLAC__ASSERT(0 != chain->head); + + iterator->chain = chain; + iterator->current = chain->head; +} + +FLAC_API FLAC__bool FLAC__metadata_iterator_next(FLAC__Metadata_Iterator *iterator) +{ + FLAC__ASSERT(0 != iterator); + + if(0 == iterator->current || 0 == iterator->current->next) + return false; + + iterator->current = iterator->current->next; + return true; +} + +FLAC_API FLAC__bool FLAC__metadata_iterator_prev(FLAC__Metadata_Iterator *iterator) +{ + FLAC__ASSERT(0 != iterator); + + if(0 == iterator->current || 0 == iterator->current->prev) + return false; + + iterator->current = iterator->current->prev; + return true; +} + +FLAC_API FLAC__MetadataType FLAC__metadata_iterator_get_block_type(const FLAC__Metadata_Iterator *iterator) +{ + FLAC__ASSERT(0 != iterator); + FLAC__ASSERT(0 != iterator->current); + FLAC__ASSERT(0 != iterator->current->data); + + return iterator->current->data->type; +} + +FLAC_API FLAC__StreamMetadata *FLAC__metadata_iterator_get_block(FLAC__Metadata_Iterator *iterator) +{ + FLAC__ASSERT(0 != iterator); + FLAC__ASSERT(0 != iterator->current); + + return iterator->current->data; +} + +FLAC_API FLAC__bool FLAC__metadata_iterator_set_block(FLAC__Metadata_Iterator *iterator, FLAC__StreamMetadata *block) +{ + FLAC__ASSERT(0 != iterator); + FLAC__ASSERT(0 != block); + return FLAC__metadata_iterator_delete_block(iterator, false) && FLAC__metadata_iterator_insert_block_after(iterator, block); +} + +FLAC_API FLAC__bool FLAC__metadata_iterator_delete_block(FLAC__Metadata_Iterator *iterator, FLAC__bool replace_with_padding) +{ + FLAC__Metadata_Node *save; + + FLAC__ASSERT(0 != iterator); + FLAC__ASSERT(0 != iterator->current); + + if(0 == iterator->current->prev) { + FLAC__ASSERT(iterator->current->data->type == FLAC__METADATA_TYPE_STREAMINFO); + return false; + } + + save = iterator->current->prev; + + if(replace_with_padding) { + FLAC__metadata_object_delete_data(iterator->current->data); + iterator->current->data->type = FLAC__METADATA_TYPE_PADDING; + } + else { + chain_delete_node_(iterator->chain, iterator->current); + } + + iterator->current = save; + return true; +} + +FLAC_API FLAC__bool FLAC__metadata_iterator_insert_block_before(FLAC__Metadata_Iterator *iterator, FLAC__StreamMetadata *block) +{ + FLAC__Metadata_Node *node; + + FLAC__ASSERT(0 != iterator); + FLAC__ASSERT(0 != iterator->current); + FLAC__ASSERT(0 != block); + + if(block->type == FLAC__METADATA_TYPE_STREAMINFO) + return false; + + if(0 == iterator->current->prev) { + FLAC__ASSERT(iterator->current->data->type == FLAC__METADATA_TYPE_STREAMINFO); + return false; + } + + if(0 == (node = node_new_())) + return false; + + node->data = block; + iterator_insert_node_(iterator, node); + iterator->current = node; + return true; +} + +FLAC_API FLAC__bool FLAC__metadata_iterator_insert_block_after(FLAC__Metadata_Iterator *iterator, FLAC__StreamMetadata *block) +{ + FLAC__Metadata_Node *node; + + FLAC__ASSERT(0 != iterator); + FLAC__ASSERT(0 != iterator->current); + FLAC__ASSERT(0 != block); + + if(block->type == FLAC__METADATA_TYPE_STREAMINFO) + return false; + + if(0 == (node = node_new_())) + return false; + + node->data = block; + iterator_insert_node_after_(iterator, node); + iterator->current = node; + return true; +} + + +/**************************************************************************** + * + * Local function definitions + * + ***************************************************************************/ + +void pack_uint32_(FLAC__uint32 val, FLAC__byte *b, uint32_t bytes) +{ + uint32_t i; + + b += bytes; + + for(i = 0; i < bytes; i++) { + *(--b) = (FLAC__byte)(val & 0xff); + val >>= 8; + } +} + +void pack_uint32_little_endian_(FLAC__uint32 val, FLAC__byte *b, uint32_t bytes) +{ + uint32_t i; + + for(i = 0; i < bytes; i++) { + *(b++) = (FLAC__byte)(val & 0xff); + val >>= 8; + } +} + +void pack_uint64_(FLAC__uint64 val, FLAC__byte *b, uint32_t bytes) +{ + uint32_t i; + + b += bytes; + + for(i = 0; i < bytes; i++) { + *(--b) = (FLAC__byte)(val & 0xff); + val >>= 8; + } +} + +FLAC__uint32 unpack_uint32_(FLAC__byte *b, uint32_t bytes) +{ + FLAC__uint32 ret = 0; + uint32_t i; + + for(i = 0; i < bytes; i++) + ret = (ret << 8) | (FLAC__uint32)(*b++); + + return ret; +} + +FLAC__uint32 unpack_uint32_little_endian_(FLAC__byte *b, uint32_t bytes) +{ + FLAC__uint32 ret = 0; + uint32_t i; + + b += bytes; + + for(i = 0; i < bytes; i++) + ret = (ret << 8) | (FLAC__uint32)(*--b); + + return ret; +} + +FLAC__uint64 unpack_uint64_(FLAC__byte *b, uint32_t bytes) +{ + FLAC__uint64 ret = 0; + uint32_t i; + + for(i = 0; i < bytes; i++) + ret = (ret << 8) | (FLAC__uint64)(*b++); + + return ret; +} + +FLAC__bool read_metadata_block_header_(FLAC__Metadata_SimpleIterator *iterator) +{ + FLAC__ASSERT(0 != iterator); + FLAC__ASSERT(0 != iterator->file); + + if(!read_metadata_block_header_cb_((FLAC__IOHandle)iterator->file, (FLAC__IOCallback_Read)fread, &iterator->is_last, &iterator->type, &iterator->length)) { + iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR; + return false; + } + + return true; +} + +FLAC__bool read_metadata_block_data_(FLAC__Metadata_SimpleIterator *iterator, FLAC__StreamMetadata *block) +{ + FLAC__ASSERT(0 != iterator); + FLAC__ASSERT(0 != iterator->file); + + iterator->status = read_metadata_block_data_cb_((FLAC__IOHandle)iterator->file, (FLAC__IOCallback_Read)fread, fseek_wrapper_, block); + + return (iterator->status == FLAC__METADATA_SIMPLE_ITERATOR_STATUS_OK); +} + +FLAC__bool read_metadata_block_header_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__bool *is_last, FLAC__MetadataType *type, uint32_t *length) +{ + FLAC__byte raw_header[FLAC__STREAM_METADATA_HEADER_LENGTH]; + + if(read_cb(raw_header, 1, FLAC__STREAM_METADATA_HEADER_LENGTH, handle) != FLAC__STREAM_METADATA_HEADER_LENGTH) + return false; + + *is_last = raw_header[0] & 0x80? true : false; + *type = (FLAC__MetadataType)(raw_header[0] & 0x7f); + *length = unpack_uint32_(raw_header + 1, 3); + + /* Note that we don't check: + * if(iterator->type >= FLAC__METADATA_TYPE_UNDEFINED) + * we just will read in an opaque block + */ + + return true; +} + +FLAC__Metadata_SimpleIteratorStatus read_metadata_block_data_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__IOCallback_Seek seek_cb, FLAC__StreamMetadata *block) +{ + switch(block->type) { + case FLAC__METADATA_TYPE_STREAMINFO: + return read_metadata_block_data_streaminfo_cb_(handle, read_cb, &block->data.stream_info); + case FLAC__METADATA_TYPE_PADDING: + return read_metadata_block_data_padding_cb_(handle, seek_cb, &block->data.padding, block->length); + case FLAC__METADATA_TYPE_APPLICATION: + return read_metadata_block_data_application_cb_(handle, read_cb, &block->data.application, block->length); + case FLAC__METADATA_TYPE_SEEKTABLE: + return read_metadata_block_data_seektable_cb_(handle, read_cb, &block->data.seek_table, block->length); + case FLAC__METADATA_TYPE_VORBIS_COMMENT: + return read_metadata_block_data_vorbis_comment_cb_(handle, read_cb, seek_cb, &block->data.vorbis_comment, block->length); + case FLAC__METADATA_TYPE_CUESHEET: + return read_metadata_block_data_cuesheet_cb_(handle, read_cb, &block->data.cue_sheet); + case FLAC__METADATA_TYPE_PICTURE: + return read_metadata_block_data_picture_cb_(handle, read_cb, &block->data.picture); + default: + return read_metadata_block_data_unknown_cb_(handle, read_cb, &block->data.unknown, block->length); + } +} + +FLAC__Metadata_SimpleIteratorStatus read_metadata_block_data_streaminfo_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__StreamMetadata_StreamInfo *block) +{ + FLAC__byte buffer[FLAC__STREAM_METADATA_STREAMINFO_LENGTH], *b; + + if(read_cb(buffer, 1, FLAC__STREAM_METADATA_STREAMINFO_LENGTH, handle) != FLAC__STREAM_METADATA_STREAMINFO_LENGTH) + return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR; + + b = buffer; + + /* we are using hardcoded numbers for simplicity but we should + * probably eventually write a bit-level unpacker and use the + * _STREAMINFO_ constants. + */ + block->min_blocksize = unpack_uint32_(b, 2); b += 2; + block->max_blocksize = unpack_uint32_(b, 2); b += 2; + block->min_framesize = unpack_uint32_(b, 3); b += 3; + block->max_framesize = unpack_uint32_(b, 3); b += 3; + block->sample_rate = (unpack_uint32_(b, 2) << 4) | ((uint32_t)(b[2] & 0xf0) >> 4); + block->channels = (uint32_t)((b[2] & 0x0e) >> 1) + 1; + block->bits_per_sample = ((((uint32_t)(b[2] & 0x01)) << 4) | (((uint32_t)(b[3] & 0xf0)) >> 4)) + 1; + block->total_samples = (((FLAC__uint64)(b[3] & 0x0f)) << 32) | unpack_uint64_(b+4, 4); + memcpy(block->md5sum, b+8, 16); + + return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_OK; +} + +FLAC__Metadata_SimpleIteratorStatus read_metadata_block_data_padding_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Seek seek_cb, FLAC__StreamMetadata_Padding *block, uint32_t block_length) +{ + (void)block; /* nothing to do; we don't care about reading the padding bytes */ + + if(0 != seek_cb(handle, block_length, SEEK_CUR)) + return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_SEEK_ERROR; + + return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_OK; +} + +FLAC__Metadata_SimpleIteratorStatus read_metadata_block_data_application_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__StreamMetadata_Application *block, uint32_t block_length) +{ + const uint32_t id_bytes = FLAC__STREAM_METADATA_APPLICATION_ID_LEN / 8; + + if(read_cb(block->id, 1, id_bytes, handle) != id_bytes) + return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR; + + if(block_length < id_bytes) + return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR; + + block_length -= id_bytes; + + if(block_length == 0) { + block->data = 0; + } + else { + if(0 == (block->data = malloc(block_length))) + return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_MEMORY_ALLOCATION_ERROR; + + if(read_cb(block->data, 1, block_length, handle) != block_length) + return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR; + } + + return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_OK; +} + +FLAC__Metadata_SimpleIteratorStatus read_metadata_block_data_seektable_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__StreamMetadata_SeekTable *block, uint32_t block_length) +{ + uint32_t i; + FLAC__byte buffer[FLAC__STREAM_METADATA_SEEKPOINT_LENGTH]; + + if(block_length % FLAC__STREAM_METADATA_SEEKPOINT_LENGTH != 0) + return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_BAD_METADATA; + + block->num_points = block_length / FLAC__STREAM_METADATA_SEEKPOINT_LENGTH; + + if(block->num_points == 0) + block->points = 0; + else if(0 == (block->points = safe_malloc_mul_2op_p(block->num_points, /*times*/sizeof(FLAC__StreamMetadata_SeekPoint)))) + return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_MEMORY_ALLOCATION_ERROR; + + for(i = 0; i < block->num_points; i++) { + if(read_cb(buffer, 1, FLAC__STREAM_METADATA_SEEKPOINT_LENGTH, handle) != FLAC__STREAM_METADATA_SEEKPOINT_LENGTH) + return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR; + /* some MAGIC NUMBERs here */ + block->points[i].sample_number = unpack_uint64_(buffer, 8); + block->points[i].stream_offset = unpack_uint64_(buffer+8, 8); + block->points[i].frame_samples = unpack_uint32_(buffer+16, 2); + } + + return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_OK; +} + +FLAC__Metadata_SimpleIteratorStatus read_metadata_block_data_vorbis_comment_entry_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__StreamMetadata_VorbisComment_Entry *entry, uint32_t max_length) +{ + const uint32_t entry_length_len = FLAC__STREAM_METADATA_VORBIS_COMMENT_ENTRY_LENGTH_LEN / 8; + FLAC__byte buffer[4]; /* magic number is asserted below */ + + FLAC__ASSERT(FLAC__STREAM_METADATA_VORBIS_COMMENT_ENTRY_LENGTH_LEN / 8 == sizeof(buffer)); + + if(max_length < entry_length_len) + return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_BAD_METADATA; + + max_length -= entry_length_len; + if(read_cb(buffer, 1, entry_length_len, handle) != entry_length_len) + return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR; + entry->length = unpack_uint32_little_endian_(buffer, entry_length_len); + if(max_length < entry->length) { + entry->length = 0; + return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_BAD_METADATA; + } + + if(0 != entry->entry) + free(entry->entry); + + if(0 == (entry->entry = safe_malloc_add_2op_(entry->length, /*+*/1))) + return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_MEMORY_ALLOCATION_ERROR; + + if(entry->length > 0 && read_cb(entry->entry, 1, entry->length, handle) != entry->length) + return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR; + + entry->entry[entry->length] = '\0'; + + return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_OK; +} + +FLAC__Metadata_SimpleIteratorStatus read_metadata_block_data_vorbis_comment_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__IOCallback_Seek seek_cb, FLAC__StreamMetadata_VorbisComment *block, uint32_t block_length) +{ + uint32_t i; + FLAC__Metadata_SimpleIteratorStatus status; + const uint32_t num_comments_len = FLAC__STREAM_METADATA_VORBIS_COMMENT_NUM_COMMENTS_LEN / 8; + FLAC__byte buffer[4]; /* magic number is asserted below */ + + FLAC__ASSERT(FLAC__STREAM_METADATA_VORBIS_COMMENT_NUM_COMMENTS_LEN / 8 == sizeof(buffer)); + + status = read_metadata_block_data_vorbis_comment_entry_cb_(handle, read_cb, &(block->vendor_string), block_length); + if(block_length >= 4) + block_length -= 4; + if(status == FLAC__METADATA_SIMPLE_ITERATOR_STATUS_BAD_METADATA) + goto skip; + else if(status != FLAC__METADATA_SIMPLE_ITERATOR_STATUS_OK) + return status; + block_length -= block->vendor_string.length; + + if(block_length < num_comments_len) goto skip; else block_length -= num_comments_len; + if(read_cb(buffer, 1, num_comments_len, handle) != num_comments_len) + return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR; + block->num_comments = unpack_uint32_little_endian_(buffer, num_comments_len); + + if(block->num_comments == 0) { + block->comments = 0; + } + else if(block->num_comments > (block_length >> 2)) { /* each comment needs at least 4 byte */ + block->num_comments = 0; + status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_BAD_METADATA; + goto skip; + } + else if(0 == (block->comments = calloc(block->num_comments, sizeof(FLAC__StreamMetadata_VorbisComment_Entry)))) { + block->num_comments = 0; + return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_MEMORY_ALLOCATION_ERROR; + } + + for(i = 0; i < block->num_comments; i++) { + status = read_metadata_block_data_vorbis_comment_entry_cb_(handle, read_cb, block->comments + i, block_length); + if(block_length >= 4) block_length -= 4; + if(status == FLAC__METADATA_SIMPLE_ITERATOR_STATUS_BAD_METADATA) { + block->num_comments = i; + goto skip; + } + else if(status != FLAC__METADATA_SIMPLE_ITERATOR_STATUS_OK) return status; + block_length -= block->comments[i].length; + } + + skip: + if(block_length > 0) { + /* bad metadata */ + if(0 != seek_cb(handle, block_length, SEEK_CUR)) + return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_SEEK_ERROR; + } + + return status; +} + +FLAC__Metadata_SimpleIteratorStatus read_metadata_block_data_cuesheet_track_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__StreamMetadata_CueSheet_Track *track) +{ + uint32_t i, len; + FLAC__byte buffer[32]; /* asserted below that this is big enough */ + + FLAC__ASSERT(sizeof(buffer) >= sizeof(FLAC__uint64)); + FLAC__ASSERT(sizeof(buffer) >= FLAC__STREAM_METADATA_CUESHEET_INDEX_RESERVED_LEN/8); + FLAC__ASSERT(sizeof(buffer) >= (FLAC__STREAM_METADATA_CUESHEET_TRACK_TYPE_LEN + FLAC__STREAM_METADATA_CUESHEET_TRACK_PRE_EMPHASIS_LEN + FLAC__STREAM_METADATA_CUESHEET_TRACK_RESERVED_LEN) / 8); + + FLAC__ASSERT(FLAC__STREAM_METADATA_CUESHEET_TRACK_OFFSET_LEN % 8 == 0); + len = FLAC__STREAM_METADATA_CUESHEET_TRACK_OFFSET_LEN / 8; + if(read_cb(buffer, 1, len, handle) != len) + return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR; + track->offset = unpack_uint64_(buffer, len); + + FLAC__ASSERT(FLAC__STREAM_METADATA_CUESHEET_TRACK_NUMBER_LEN % 8 == 0); + len = FLAC__STREAM_METADATA_CUESHEET_TRACK_NUMBER_LEN / 8; + if(read_cb(buffer, 1, len, handle) != len) + return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR; + track->number = (FLAC__byte)unpack_uint32_(buffer, len); + + FLAC__ASSERT(FLAC__STREAM_METADATA_CUESHEET_TRACK_ISRC_LEN % 8 == 0); + len = FLAC__STREAM_METADATA_CUESHEET_TRACK_ISRC_LEN / 8; + if(read_cb(track->isrc, 1, len, handle) != len) + return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR; + + FLAC__ASSERT((FLAC__STREAM_METADATA_CUESHEET_TRACK_TYPE_LEN + FLAC__STREAM_METADATA_CUESHEET_TRACK_PRE_EMPHASIS_LEN + FLAC__STREAM_METADATA_CUESHEET_TRACK_RESERVED_LEN) % 8 == 0); + len = (FLAC__STREAM_METADATA_CUESHEET_TRACK_TYPE_LEN + FLAC__STREAM_METADATA_CUESHEET_TRACK_PRE_EMPHASIS_LEN + FLAC__STREAM_METADATA_CUESHEET_TRACK_RESERVED_LEN) / 8; + if(read_cb(buffer, 1, len, handle) != len) + return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR; + FLAC__ASSERT(FLAC__STREAM_METADATA_CUESHEET_TRACK_TYPE_LEN == 1); + FLAC__ASSERT(FLAC__STREAM_METADATA_CUESHEET_TRACK_PRE_EMPHASIS_LEN == 1); + track->type = buffer[0] >> 7; + track->pre_emphasis = (buffer[0] >> 6) & 1; + + FLAC__ASSERT(FLAC__STREAM_METADATA_CUESHEET_TRACK_NUM_INDICES_LEN % 8 == 0); + len = FLAC__STREAM_METADATA_CUESHEET_TRACK_NUM_INDICES_LEN / 8; + if(read_cb(buffer, 1, len, handle) != len) + return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR; + track->num_indices = (FLAC__byte)unpack_uint32_(buffer, len); + + if(track->num_indices == 0) { + track->indices = 0; + } + else if(0 == (track->indices = calloc(track->num_indices, sizeof(FLAC__StreamMetadata_CueSheet_Index)))) + return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_MEMORY_ALLOCATION_ERROR; + + for(i = 0; i < track->num_indices; i++) { + FLAC__ASSERT(FLAC__STREAM_METADATA_CUESHEET_INDEX_OFFSET_LEN % 8 == 0); + len = FLAC__STREAM_METADATA_CUESHEET_INDEX_OFFSET_LEN / 8; + if(read_cb(buffer, 1, len, handle) != len) + return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR; + track->indices[i].offset = unpack_uint64_(buffer, len); + + FLAC__ASSERT(FLAC__STREAM_METADATA_CUESHEET_INDEX_NUMBER_LEN % 8 == 0); + len = FLAC__STREAM_METADATA_CUESHEET_INDEX_NUMBER_LEN / 8; + if(read_cb(buffer, 1, len, handle) != len) + return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR; + track->indices[i].number = (FLAC__byte)unpack_uint32_(buffer, len); + + FLAC__ASSERT(FLAC__STREAM_METADATA_CUESHEET_INDEX_RESERVED_LEN % 8 == 0); + len = FLAC__STREAM_METADATA_CUESHEET_INDEX_RESERVED_LEN / 8; + if(read_cb(buffer, 1, len, handle) != len) + return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR; + } + + return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_OK; +} + +FLAC__Metadata_SimpleIteratorStatus read_metadata_block_data_cuesheet_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__StreamMetadata_CueSheet *block) +{ + uint32_t i, len; + FLAC__Metadata_SimpleIteratorStatus status; + FLAC__byte buffer[1024]; /* MSVC needs a constant expression so we put a magic number and assert */ + + FLAC__ASSERT((FLAC__STREAM_METADATA_CUESHEET_IS_CD_LEN + FLAC__STREAM_METADATA_CUESHEET_RESERVED_LEN)/8 <= sizeof(buffer)); + FLAC__ASSERT(sizeof(FLAC__uint64) <= sizeof(buffer)); + + FLAC__ASSERT(FLAC__STREAM_METADATA_CUESHEET_MEDIA_CATALOG_NUMBER_LEN % 8 == 0); + len = FLAC__STREAM_METADATA_CUESHEET_MEDIA_CATALOG_NUMBER_LEN / 8; + if(read_cb(block->media_catalog_number, 1, len, handle) != len) + return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR; + + FLAC__ASSERT(FLAC__STREAM_METADATA_CUESHEET_LEAD_IN_LEN % 8 == 0); + len = FLAC__STREAM_METADATA_CUESHEET_LEAD_IN_LEN / 8; + if(read_cb(buffer, 1, len, handle) != len) + return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR; + block->lead_in = unpack_uint64_(buffer, len); + + FLAC__ASSERT((FLAC__STREAM_METADATA_CUESHEET_IS_CD_LEN + FLAC__STREAM_METADATA_CUESHEET_RESERVED_LEN) % 8 == 0); + len = (FLAC__STREAM_METADATA_CUESHEET_IS_CD_LEN + FLAC__STREAM_METADATA_CUESHEET_RESERVED_LEN) / 8; + if(read_cb(buffer, 1, len, handle) != len) + return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR; + block->is_cd = buffer[0]&0x80? true : false; + + FLAC__ASSERT(FLAC__STREAM_METADATA_CUESHEET_NUM_TRACKS_LEN % 8 == 0); + len = FLAC__STREAM_METADATA_CUESHEET_NUM_TRACKS_LEN / 8; + if(read_cb(buffer, 1, len, handle) != len) + return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR; + block->num_tracks = unpack_uint32_(buffer, len); + + if(block->num_tracks == 0) { + return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_BAD_METADATA; + } + else if(0 == (block->tracks = calloc(block->num_tracks, sizeof(FLAC__StreamMetadata_CueSheet_Track)))) + return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_MEMORY_ALLOCATION_ERROR; + + for(i = 0; i < block->num_tracks; i++) { + if(FLAC__METADATA_SIMPLE_ITERATOR_STATUS_OK != (status = read_metadata_block_data_cuesheet_track_cb_(handle, read_cb, block->tracks + i))) + return status; + } + + return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_OK; +} + +static FLAC__Metadata_SimpleIteratorStatus read_metadata_block_data_picture_cstring_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__byte **data, FLAC__uint32 *length, FLAC__uint32 length_len) +{ + FLAC__byte buffer[sizeof(FLAC__uint32)]; + + FLAC__ASSERT(0 != data); + FLAC__ASSERT(length_len%8 == 0); + + length_len /= 8; /* convert to bytes */ + + FLAC__ASSERT(sizeof(buffer) >= length_len); + + if(read_cb(buffer, 1, length_len, handle) != length_len) + return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR; + *length = unpack_uint32_(buffer, length_len); + + if(*length > (1u << FLAC__STREAM_METADATA_LENGTH_LEN)) /* data cannot be larger than FLAC metadata block */ + return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_BAD_METADATA; + + if(0 != *data) + free(*data); + + if(0 == (*data = safe_malloc_add_2op_(*length, /*+*/1))) + return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_MEMORY_ALLOCATION_ERROR; + + if(*length > 0) { + if(read_cb(*data, 1, *length, handle) != *length) + return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR; + } + + (*data)[*length] = '\0'; + + return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_OK; +} + +FLAC__Metadata_SimpleIteratorStatus read_metadata_block_data_picture_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__StreamMetadata_Picture *block) +{ + FLAC__Metadata_SimpleIteratorStatus status; + FLAC__byte buffer[4]; /* asserted below that this is big enough */ + FLAC__uint32 len; + + FLAC__ASSERT(sizeof(buffer) >= FLAC__STREAM_METADATA_PICTURE_TYPE_LEN/8); + FLAC__ASSERT(sizeof(buffer) >= FLAC__STREAM_METADATA_PICTURE_WIDTH_LEN/8); + FLAC__ASSERT(sizeof(buffer) >= FLAC__STREAM_METADATA_PICTURE_HEIGHT_LEN/8); + FLAC__ASSERT(sizeof(buffer) >= FLAC__STREAM_METADATA_PICTURE_DEPTH_LEN/8); + FLAC__ASSERT(sizeof(buffer) >= FLAC__STREAM_METADATA_PICTURE_COLORS_LEN/8); + + FLAC__ASSERT(FLAC__STREAM_METADATA_PICTURE_TYPE_LEN % 8 == 0); + len = FLAC__STREAM_METADATA_PICTURE_TYPE_LEN / 8; + if(read_cb(buffer, 1, len, handle) != len) + return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR; + block->type = (FLAC__StreamMetadata_Picture_Type)unpack_uint32_(buffer, len); + + if((status = read_metadata_block_data_picture_cstring_cb_(handle, read_cb, (FLAC__byte**)(&(block->mime_type)), &len, FLAC__STREAM_METADATA_PICTURE_MIME_TYPE_LENGTH_LEN)) != FLAC__METADATA_SIMPLE_ITERATOR_STATUS_OK) + return status; + + if((status = read_metadata_block_data_picture_cstring_cb_(handle, read_cb, &(block->description), &len, FLAC__STREAM_METADATA_PICTURE_DESCRIPTION_LENGTH_LEN)) != FLAC__METADATA_SIMPLE_ITERATOR_STATUS_OK) + return status; + + FLAC__ASSERT(FLAC__STREAM_METADATA_PICTURE_WIDTH_LEN % 8 == 0); + len = FLAC__STREAM_METADATA_PICTURE_WIDTH_LEN / 8; + if(read_cb(buffer, 1, len, handle) != len) + return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR; + block->width = unpack_uint32_(buffer, len); + + FLAC__ASSERT(FLAC__STREAM_METADATA_PICTURE_HEIGHT_LEN % 8 == 0); + len = FLAC__STREAM_METADATA_PICTURE_HEIGHT_LEN / 8; + if(read_cb(buffer, 1, len, handle) != len) + return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR; + block->height = unpack_uint32_(buffer, len); + + FLAC__ASSERT(FLAC__STREAM_METADATA_PICTURE_DEPTH_LEN % 8 == 0); + len = FLAC__STREAM_METADATA_PICTURE_DEPTH_LEN / 8; + if(read_cb(buffer, 1, len, handle) != len) + return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR; + block->depth = unpack_uint32_(buffer, len); + + FLAC__ASSERT(FLAC__STREAM_METADATA_PICTURE_COLORS_LEN % 8 == 0); + len = FLAC__STREAM_METADATA_PICTURE_COLORS_LEN / 8; + if(read_cb(buffer, 1, len, handle) != len) + return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR; + block->colors = unpack_uint32_(buffer, len); + + /* for convenience we use read_metadata_block_data_picture_cstring_cb_() even though it adds an extra terminating NUL we don't use */ + if((status = read_metadata_block_data_picture_cstring_cb_(handle, read_cb, &(block->data), &(block->data_length), FLAC__STREAM_METADATA_PICTURE_DATA_LENGTH_LEN)) != FLAC__METADATA_SIMPLE_ITERATOR_STATUS_OK) + return status; + + return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_OK; +} + +FLAC__Metadata_SimpleIteratorStatus read_metadata_block_data_unknown_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__StreamMetadata_Unknown *block, uint32_t block_length) +{ + if(block_length == 0) { + block->data = 0; + } + else { + if(0 == (block->data = malloc(block_length))) + return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_MEMORY_ALLOCATION_ERROR; + + if(read_cb(block->data, 1, block_length, handle) != block_length) + return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR; + } + + return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_OK; +} + +FLAC__bool write_metadata_block_header_(FILE *file, FLAC__Metadata_SimpleIteratorStatus *status, const FLAC__StreamMetadata *block) +{ + FLAC__ASSERT(0 != file); + FLAC__ASSERT(0 != status); + + if(!write_metadata_block_header_cb_((FLAC__IOHandle)file, (FLAC__IOCallback_Write)fwrite, block)) { + *status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_WRITE_ERROR; + return false; + } + + return true; +} + +FLAC__bool write_metadata_block_data_(FILE *file, FLAC__Metadata_SimpleIteratorStatus *status, const FLAC__StreamMetadata *block) +{ + FLAC__ASSERT(0 != file); + FLAC__ASSERT(0 != status); + + if (write_metadata_block_data_cb_((FLAC__IOHandle)file, (FLAC__IOCallback_Write)fwrite, block)) { + *status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_OK; + return true; + } + else { + *status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_WRITE_ERROR; + return false; + } +} + +FLAC__bool write_metadata_block_header_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Write write_cb, const FLAC__StreamMetadata *block) +{ + FLAC__byte buffer[FLAC__STREAM_METADATA_HEADER_LENGTH]; + + FLAC__ASSERT(block->length < (1u << FLAC__STREAM_METADATA_LENGTH_LEN)); + /* double protection */ + if(block->length >= (1u << FLAC__STREAM_METADATA_LENGTH_LEN)) + return false; + + buffer[0] = (block->is_last? 0x80 : 0) | (FLAC__byte)block->type; + pack_uint32_(block->length, buffer + 1, 3); + + if(write_cb(buffer, 1, FLAC__STREAM_METADATA_HEADER_LENGTH, handle) != FLAC__STREAM_METADATA_HEADER_LENGTH) + return false; + + return true; +} + +FLAC__bool write_metadata_block_data_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Write write_cb, const FLAC__StreamMetadata *block) +{ + FLAC__ASSERT(0 != block); + + switch(block->type) { + case FLAC__METADATA_TYPE_STREAMINFO: + return write_metadata_block_data_streaminfo_cb_(handle, write_cb, &block->data.stream_info); + case FLAC__METADATA_TYPE_PADDING: + return write_metadata_block_data_padding_cb_(handle, write_cb, &block->data.padding, block->length); + case FLAC__METADATA_TYPE_APPLICATION: + return write_metadata_block_data_application_cb_(handle, write_cb, &block->data.application, block->length); + case FLAC__METADATA_TYPE_SEEKTABLE: + return write_metadata_block_data_seektable_cb_(handle, write_cb, &block->data.seek_table); + case FLAC__METADATA_TYPE_VORBIS_COMMENT: + return write_metadata_block_data_vorbis_comment_cb_(handle, write_cb, &block->data.vorbis_comment); + case FLAC__METADATA_TYPE_CUESHEET: + return write_metadata_block_data_cuesheet_cb_(handle, write_cb, &block->data.cue_sheet); + case FLAC__METADATA_TYPE_PICTURE: + return write_metadata_block_data_picture_cb_(handle, write_cb, &block->data.picture); + default: + return write_metadata_block_data_unknown_cb_(handle, write_cb, &block->data.unknown, block->length); + } +} + +FLAC__bool write_metadata_block_data_streaminfo_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Write write_cb, const FLAC__StreamMetadata_StreamInfo *block) +{ + FLAC__byte buffer[FLAC__STREAM_METADATA_STREAMINFO_LENGTH]; + const uint32_t channels1 = block->channels - 1; + const uint32_t bps1 = block->bits_per_sample - 1; + + /* we are using hardcoded numbers for simplicity but we should + * probably eventually write a bit-level packer and use the + * _STREAMINFO_ constants. + */ + pack_uint32_(block->min_blocksize, buffer, 2); + pack_uint32_(block->max_blocksize, buffer+2, 2); + pack_uint32_(block->min_framesize, buffer+4, 3); + pack_uint32_(block->max_framesize, buffer+7, 3); + buffer[10] = (block->sample_rate >> 12) & 0xff; + buffer[11] = (block->sample_rate >> 4) & 0xff; + buffer[12] = ((block->sample_rate & 0x0f) << 4) | (channels1 << 1) | (bps1 >> 4); + buffer[13] = (FLAC__byte)(((bps1 & 0x0f) << 4) | ((block->total_samples >> 32) & 0x0f)); + pack_uint32_((FLAC__uint32)block->total_samples, buffer+14, 4); + memcpy(buffer+18, block->md5sum, 16); + + if(write_cb(buffer, 1, FLAC__STREAM_METADATA_STREAMINFO_LENGTH, handle) != FLAC__STREAM_METADATA_STREAMINFO_LENGTH) + return false; + + return true; +} + +FLAC__bool write_metadata_block_data_padding_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Write write_cb, const FLAC__StreamMetadata_Padding *block, uint32_t block_length) +{ + uint32_t i, n = block_length; + FLAC__byte buffer[1024]; + + (void)block; + + memset(buffer, 0, 1024); + + for(i = 0; i < n/1024; i++) + if(write_cb(buffer, 1, 1024, handle) != 1024) + return false; + + n %= 1024; + + if(write_cb(buffer, 1, n, handle) != n) + return false; + + return true; +} + +FLAC__bool write_metadata_block_data_application_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Write write_cb, const FLAC__StreamMetadata_Application *block, uint32_t block_length) +{ + const uint32_t id_bytes = FLAC__STREAM_METADATA_APPLICATION_ID_LEN / 8; + + if(write_cb(block->id, 1, id_bytes, handle) != id_bytes) + return false; + + block_length -= id_bytes; + + if(write_cb(block->data, 1, block_length, handle) != block_length) + return false; + + return true; +} + +FLAC__bool write_metadata_block_data_seektable_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Write write_cb, const FLAC__StreamMetadata_SeekTable *block) +{ + uint32_t i; + FLAC__byte buffer[FLAC__STREAM_METADATA_SEEKPOINT_LENGTH]; + + for(i = 0; i < block->num_points; i++) { + /* some MAGIC NUMBERs here */ + pack_uint64_(block->points[i].sample_number, buffer, 8); + pack_uint64_(block->points[i].stream_offset, buffer+8, 8); + pack_uint32_(block->points[i].frame_samples, buffer+16, 2); + if(write_cb(buffer, 1, FLAC__STREAM_METADATA_SEEKPOINT_LENGTH, handle) != FLAC__STREAM_METADATA_SEEKPOINT_LENGTH) + return false; + } + + return true; +} + +FLAC__bool write_metadata_block_data_vorbis_comment_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Write write_cb, const FLAC__StreamMetadata_VorbisComment *block) +{ + uint32_t i; + const uint32_t entry_length_len = FLAC__STREAM_METADATA_VORBIS_COMMENT_ENTRY_LENGTH_LEN / 8; + const uint32_t num_comments_len = FLAC__STREAM_METADATA_VORBIS_COMMENT_NUM_COMMENTS_LEN / 8; + FLAC__byte buffer[4]; /* magic number is asserted below */ + + FLAC__ASSERT(flac_max(FLAC__STREAM_METADATA_VORBIS_COMMENT_ENTRY_LENGTH_LEN, FLAC__STREAM_METADATA_VORBIS_COMMENT_NUM_COMMENTS_LEN) / 8 == sizeof(buffer)); + + pack_uint32_little_endian_(block->vendor_string.length, buffer, entry_length_len); + if(write_cb(buffer, 1, entry_length_len, handle) != entry_length_len) + return false; + if(write_cb(block->vendor_string.entry, 1, block->vendor_string.length, handle) != block->vendor_string.length) + return false; + + pack_uint32_little_endian_(block->num_comments, buffer, num_comments_len); + if(write_cb(buffer, 1, num_comments_len, handle) != num_comments_len) + return false; + + for(i = 0; i < block->num_comments; i++) { + pack_uint32_little_endian_(block->comments[i].length, buffer, entry_length_len); + if(write_cb(buffer, 1, entry_length_len, handle) != entry_length_len) + return false; + if(write_cb(block->comments[i].entry, 1, block->comments[i].length, handle) != block->comments[i].length) + return false; + } + + return true; +} + +FLAC__bool write_metadata_block_data_cuesheet_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Write write_cb, const FLAC__StreamMetadata_CueSheet *block) +{ + uint32_t i, j, len; + FLAC__byte buffer[1024]; /* asserted below that this is big enough */ + + FLAC__ASSERT(sizeof(buffer) >= sizeof(FLAC__uint64)); + FLAC__ASSERT(sizeof(buffer) >= FLAC__STREAM_METADATA_CUESHEET_RESERVED_LEN/8); + FLAC__ASSERT(sizeof(buffer) >= (FLAC__STREAM_METADATA_CUESHEET_TRACK_TYPE_LEN + FLAC__STREAM_METADATA_CUESHEET_TRACK_PRE_EMPHASIS_LEN + FLAC__STREAM_METADATA_CUESHEET_IS_CD_LEN + FLAC__STREAM_METADATA_CUESHEET_TRACK_RESERVED_LEN)/8); + FLAC__ASSERT(sizeof(buffer) >= FLAC__STREAM_METADATA_CUESHEET_INDEX_RESERVED_LEN/8); + + FLAC__ASSERT(FLAC__STREAM_METADATA_CUESHEET_MEDIA_CATALOG_NUMBER_LEN % 8 == 0); + len = FLAC__STREAM_METADATA_CUESHEET_MEDIA_CATALOG_NUMBER_LEN / 8; + if(write_cb(block->media_catalog_number, 1, len, handle) != len) + return false; + + FLAC__ASSERT(FLAC__STREAM_METADATA_CUESHEET_LEAD_IN_LEN % 8 == 0); + len = FLAC__STREAM_METADATA_CUESHEET_LEAD_IN_LEN / 8; + pack_uint64_(block->lead_in, buffer, len); + if(write_cb(buffer, 1, len, handle) != len) + return false; + + FLAC__ASSERT((FLAC__STREAM_METADATA_CUESHEET_IS_CD_LEN + FLAC__STREAM_METADATA_CUESHEET_RESERVED_LEN) % 8 == 0); + len = (FLAC__STREAM_METADATA_CUESHEET_IS_CD_LEN + FLAC__STREAM_METADATA_CUESHEET_RESERVED_LEN) / 8; + memset(buffer, 0, len); + if(block->is_cd) + buffer[0] |= 0x80; + if(write_cb(buffer, 1, len, handle) != len) + return false; + + FLAC__ASSERT(FLAC__STREAM_METADATA_CUESHEET_NUM_TRACKS_LEN % 8 == 0); + len = FLAC__STREAM_METADATA_CUESHEET_NUM_TRACKS_LEN / 8; + pack_uint32_(block->num_tracks, buffer, len); + if(write_cb(buffer, 1, len, handle) != len) + return false; + + for(i = 0; i < block->num_tracks; i++) { + FLAC__StreamMetadata_CueSheet_Track *track = block->tracks + i; + + FLAC__ASSERT(FLAC__STREAM_METADATA_CUESHEET_TRACK_OFFSET_LEN % 8 == 0); + len = FLAC__STREAM_METADATA_CUESHEET_TRACK_OFFSET_LEN / 8; + pack_uint64_(track->offset, buffer, len); + if(write_cb(buffer, 1, len, handle) != len) + return false; + + FLAC__ASSERT(FLAC__STREAM_METADATA_CUESHEET_TRACK_NUMBER_LEN % 8 == 0); + len = FLAC__STREAM_METADATA_CUESHEET_TRACK_NUMBER_LEN / 8; + pack_uint32_(track->number, buffer, len); + if(write_cb(buffer, 1, len, handle) != len) + return false; + + FLAC__ASSERT(FLAC__STREAM_METADATA_CUESHEET_TRACK_ISRC_LEN % 8 == 0); + len = FLAC__STREAM_METADATA_CUESHEET_TRACK_ISRC_LEN / 8; + if(write_cb(track->isrc, 1, len, handle) != len) + return false; + + FLAC__ASSERT((FLAC__STREAM_METADATA_CUESHEET_TRACK_TYPE_LEN + FLAC__STREAM_METADATA_CUESHEET_TRACK_PRE_EMPHASIS_LEN + FLAC__STREAM_METADATA_CUESHEET_TRACK_RESERVED_LEN) % 8 == 0); + len = (FLAC__STREAM_METADATA_CUESHEET_TRACK_TYPE_LEN + FLAC__STREAM_METADATA_CUESHEET_TRACK_PRE_EMPHASIS_LEN + FLAC__STREAM_METADATA_CUESHEET_TRACK_RESERVED_LEN) / 8; + memset(buffer, 0, len); + buffer[0] = (track->type << 7) | (track->pre_emphasis << 6); + if(write_cb(buffer, 1, len, handle) != len) + return false; + + FLAC__ASSERT(FLAC__STREAM_METADATA_CUESHEET_TRACK_NUM_INDICES_LEN % 8 == 0); + len = FLAC__STREAM_METADATA_CUESHEET_TRACK_NUM_INDICES_LEN / 8; + pack_uint32_(track->num_indices, buffer, len); + if(write_cb(buffer, 1, len, handle) != len) + return false; + + for(j = 0; j < track->num_indices; j++) { + FLAC__StreamMetadata_CueSheet_Index *indx = track->indices + j; + + FLAC__ASSERT(FLAC__STREAM_METADATA_CUESHEET_INDEX_OFFSET_LEN % 8 == 0); + len = FLAC__STREAM_METADATA_CUESHEET_INDEX_OFFSET_LEN / 8; + pack_uint64_(indx->offset, buffer, len); + if(write_cb(buffer, 1, len, handle) != len) + return false; + + FLAC__ASSERT(FLAC__STREAM_METADATA_CUESHEET_INDEX_NUMBER_LEN % 8 == 0); + len = FLAC__STREAM_METADATA_CUESHEET_INDEX_NUMBER_LEN / 8; + pack_uint32_(indx->number, buffer, len); + if(write_cb(buffer, 1, len, handle) != len) + return false; + + FLAC__ASSERT(FLAC__STREAM_METADATA_CUESHEET_INDEX_RESERVED_LEN % 8 == 0); + len = FLAC__STREAM_METADATA_CUESHEET_INDEX_RESERVED_LEN / 8; + memset(buffer, 0, len); + if(write_cb(buffer, 1, len, handle) != len) + return false; + } + } + + return true; +} + +FLAC__bool write_metadata_block_data_picture_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Write write_cb, const FLAC__StreamMetadata_Picture *block) +{ + uint32_t len; + size_t slen; + FLAC__byte buffer[4]; /* magic number is asserted below */ + + FLAC__ASSERT(0 == FLAC__STREAM_METADATA_PICTURE_TYPE_LEN%8); + FLAC__ASSERT(0 == FLAC__STREAM_METADATA_PICTURE_MIME_TYPE_LENGTH_LEN%8); + FLAC__ASSERT(0 == FLAC__STREAM_METADATA_PICTURE_DESCRIPTION_LENGTH_LEN%8); + FLAC__ASSERT(0 == FLAC__STREAM_METADATA_PICTURE_WIDTH_LEN%8); + FLAC__ASSERT(0 == FLAC__STREAM_METADATA_PICTURE_HEIGHT_LEN%8); + FLAC__ASSERT(0 == FLAC__STREAM_METADATA_PICTURE_DEPTH_LEN%8); + FLAC__ASSERT(0 == FLAC__STREAM_METADATA_PICTURE_COLORS_LEN%8); + FLAC__ASSERT(0 == FLAC__STREAM_METADATA_PICTURE_DATA_LENGTH_LEN%8); + FLAC__ASSERT(sizeof(buffer) >= FLAC__STREAM_METADATA_PICTURE_TYPE_LEN/8); + FLAC__ASSERT(sizeof(buffer) >= FLAC__STREAM_METADATA_PICTURE_MIME_TYPE_LENGTH_LEN/8); + FLAC__ASSERT(sizeof(buffer) >= FLAC__STREAM_METADATA_PICTURE_DESCRIPTION_LENGTH_LEN/8); + FLAC__ASSERT(sizeof(buffer) >= FLAC__STREAM_METADATA_PICTURE_WIDTH_LEN/8); + FLAC__ASSERT(sizeof(buffer) >= FLAC__STREAM_METADATA_PICTURE_HEIGHT_LEN/8); + FLAC__ASSERT(sizeof(buffer) >= FLAC__STREAM_METADATA_PICTURE_DEPTH_LEN/8); + FLAC__ASSERT(sizeof(buffer) >= FLAC__STREAM_METADATA_PICTURE_COLORS_LEN/8); + FLAC__ASSERT(sizeof(buffer) >= FLAC__STREAM_METADATA_PICTURE_DATA_LENGTH_LEN/8); + + len = FLAC__STREAM_METADATA_PICTURE_TYPE_LEN/8; + pack_uint32_(block->type, buffer, len); + if(write_cb(buffer, 1, len, handle) != len) + return false; + + len = FLAC__STREAM_METADATA_PICTURE_MIME_TYPE_LENGTH_LEN/8; + slen = strlen(block->mime_type); + pack_uint32_(slen, buffer, len); + if(write_cb(buffer, 1, len, handle) != len) + return false; + if(write_cb(block->mime_type, 1, slen, handle) != slen) + return false; + + len = FLAC__STREAM_METADATA_PICTURE_DESCRIPTION_LENGTH_LEN/8; + slen = strlen((const char *)block->description); + pack_uint32_(slen, buffer, len); + if(write_cb(buffer, 1, len, handle) != len) + return false; + if(write_cb(block->description, 1, slen, handle) != slen) + return false; + + len = FLAC__STREAM_METADATA_PICTURE_WIDTH_LEN/8; + pack_uint32_(block->width, buffer, len); + if(write_cb(buffer, 1, len, handle) != len) + return false; + + len = FLAC__STREAM_METADATA_PICTURE_HEIGHT_LEN/8; + pack_uint32_(block->height, buffer, len); + if(write_cb(buffer, 1, len, handle) != len) + return false; + + len = FLAC__STREAM_METADATA_PICTURE_DEPTH_LEN/8; + pack_uint32_(block->depth, buffer, len); + if(write_cb(buffer, 1, len, handle) != len) + return false; + + len = FLAC__STREAM_METADATA_PICTURE_COLORS_LEN/8; + pack_uint32_(block->colors, buffer, len); + if(write_cb(buffer, 1, len, handle) != len) + return false; + + len = FLAC__STREAM_METADATA_PICTURE_DATA_LENGTH_LEN/8; + pack_uint32_(block->data_length, buffer, len); + if(write_cb(buffer, 1, len, handle) != len) + return false; + if(write_cb(block->data, 1, block->data_length, handle) != block->data_length) + return false; + + return true; +} + +FLAC__bool write_metadata_block_data_unknown_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Write write_cb, const FLAC__StreamMetadata_Unknown *block, uint32_t block_length) +{ + if(write_cb(block->data, 1, block_length, handle) != block_length) + return false; + + return true; +} + +FLAC__bool write_metadata_block_stationary_(FLAC__Metadata_SimpleIterator *iterator, const FLAC__StreamMetadata *block) +{ + if(0 != fseeko(iterator->file, iterator->offset[iterator->depth], SEEK_SET)) { + iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_SEEK_ERROR; + return false; + } + + if(!write_metadata_block_header_(iterator->file, &iterator->status, block)) + return false; + + if(!write_metadata_block_data_(iterator->file, &iterator->status, block)) + return false; + + if(0 != fseeko(iterator->file, iterator->offset[iterator->depth], SEEK_SET)) { + iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_SEEK_ERROR; + return false; + } + + return read_metadata_block_header_(iterator); +} + +FLAC__bool write_metadata_block_stationary_with_padding_(FLAC__Metadata_SimpleIterator *iterator, FLAC__StreamMetadata *block, uint32_t padding_length, FLAC__bool padding_is_last) +{ + FLAC__StreamMetadata *padding; + + if(0 != fseeko(iterator->file, iterator->offset[iterator->depth], SEEK_SET)) { + iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_SEEK_ERROR; + return false; + } + + block->is_last = false; + + if(!write_metadata_block_header_(iterator->file, &iterator->status, block)) + return false; + + if(!write_metadata_block_data_(iterator->file, &iterator->status, block)) + return false; + + if(0 == (padding = FLAC__metadata_object_new(FLAC__METADATA_TYPE_PADDING))) + return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_MEMORY_ALLOCATION_ERROR; + + padding->is_last = padding_is_last; + padding->length = padding_length; + + if(!write_metadata_block_header_(iterator->file, &iterator->status, padding)) { + FLAC__metadata_object_delete(padding); + return false; + } + + if(!write_metadata_block_data_(iterator->file, &iterator->status, padding)) { + FLAC__metadata_object_delete(padding); + return false; + } + + FLAC__metadata_object_delete(padding); + + if(0 != fseeko(iterator->file, iterator->offset[iterator->depth], SEEK_SET)) { + iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_SEEK_ERROR; + return false; + } + + return read_metadata_block_header_(iterator); +} + +FLAC__bool rewrite_whole_file_(FLAC__Metadata_SimpleIterator *iterator, FLAC__StreamMetadata *block, FLAC__bool append) +{ + FILE *tempfile = NULL; + char *tempfilename = NULL; + int fixup_is_last_code = 0; /* 0 => no need to change any is_last flags */ + FLAC__off_t fixup_is_last_flag_offset = -1; + + FLAC__ASSERT(0 != block || append == false); + + if(iterator->is_last) { + if(append) { + fixup_is_last_code = 1; /* 1 => clear the is_last flag at the following offset */ + fixup_is_last_flag_offset = iterator->offset[iterator->depth]; + } + else if(0 == block) { + simple_iterator_push_(iterator); + if(!FLAC__metadata_simple_iterator_prev(iterator)) { + (void)simple_iterator_pop_(iterator); + return false; + } + fixup_is_last_code = -1; /* -1 => set the is_last the flag at the following offset */ + fixup_is_last_flag_offset = iterator->offset[iterator->depth]; + if(!simple_iterator_pop_(iterator)) + return false; + } + } + + if(!simple_iterator_copy_file_prefix_(iterator, &tempfile, &tempfilename, append)) + return false; + + if(0 != block) { + if(!write_metadata_block_header_(tempfile, &iterator->status, block)) { + cleanup_tempfile_(&tempfile, &tempfilename); + return false; + } + + if(!write_metadata_block_data_(tempfile, &iterator->status, block)) { + cleanup_tempfile_(&tempfile, &tempfilename); + return false; + } + } + + if(!simple_iterator_copy_file_postfix_(iterator, &tempfile, &tempfilename, fixup_is_last_code, fixup_is_last_flag_offset, block==0)) + return false; + + if(append) + return FLAC__metadata_simple_iterator_next(iterator); + + return true; +} + +void simple_iterator_push_(FLAC__Metadata_SimpleIterator *iterator) +{ + FLAC__ASSERT(iterator->depth+1 < SIMPLE_ITERATOR_MAX_PUSH_DEPTH); + iterator->offset[iterator->depth+1] = iterator->offset[iterator->depth]; + iterator->depth++; +} + +FLAC__bool simple_iterator_pop_(FLAC__Metadata_SimpleIterator *iterator) +{ + FLAC__ASSERT(iterator->depth > 0); + iterator->depth--; + if(0 != fseeko(iterator->file, iterator->offset[iterator->depth], SEEK_SET)) { + iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_SEEK_ERROR; + return false; + } + + return read_metadata_block_header_(iterator); +} + +/* return meanings: + * 0: ok + * 1: read error + * 2: seek error + * 3: not a FLAC file + */ +uint32_t seek_to_first_metadata_block_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__IOCallback_Seek seek_cb) +{ + FLAC__byte buffer[4]; + size_t n; + uint32_t i; + + FLAC__ASSERT(FLAC__STREAM_SYNC_LENGTH == sizeof(buffer)); + + /* skip any id3v2 tag */ + errno = 0; + n = read_cb(buffer, 1, 4, handle); + if(errno) + return 1; + else if(n != 4) + return 3; + else if(0 == memcmp(buffer, "ID3", 3)) { + uint32_t tag_length = 0; + + /* skip to the tag length */ + if(seek_cb(handle, 2, SEEK_CUR) < 0) + return 2; + + /* read the length */ + for(i = 0; i < 4; i++) { + if(read_cb(buffer, 1, 1, handle) < 1 || buffer[0] & 0x80) + return 1; + tag_length <<= 7; + tag_length |= (buffer[0] & 0x7f); + } + + /* skip the rest of the tag */ + if(seek_cb(handle, tag_length, SEEK_CUR) < 0) + return 2; + + /* read the stream sync code */ + errno = 0; + n = read_cb(buffer, 1, 4, handle); + if(errno) + return 1; + else if(n != 4) + return 3; + } + + /* check for the fLaC signature */ + if(0 == memcmp(FLAC__STREAM_SYNC_STRING, buffer, FLAC__STREAM_SYNC_LENGTH)) + return 0; + else + return 3; +} + +uint32_t seek_to_first_metadata_block_(FILE *f) +{ + return seek_to_first_metadata_block_cb_((FLAC__IOHandle)f, (FLAC__IOCallback_Read)fread, fseek_wrapper_); +} + +FLAC__bool simple_iterator_copy_file_prefix_(FLAC__Metadata_SimpleIterator *iterator, FILE **tempfile, char **tempfilename, FLAC__bool append) +{ + const FLAC__off_t offset_end = append? iterator->offset[iterator->depth] + (FLAC__off_t)FLAC__STREAM_METADATA_HEADER_LENGTH + (FLAC__off_t)iterator->length : iterator->offset[iterator->depth]; + + if(0 != fseeko(iterator->file, 0, SEEK_SET)) { + iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_SEEK_ERROR; + return false; + } + if(!open_tempfile_(iterator->filename, iterator->tempfile_path_prefix, tempfile, tempfilename, &iterator->status)) { + cleanup_tempfile_(tempfile, tempfilename); + return false; + } + if(!copy_n_bytes_from_file_(iterator->file, *tempfile, offset_end, &iterator->status)) { + cleanup_tempfile_(tempfile, tempfilename); + return false; + } + + return true; +} + +FLAC__bool simple_iterator_copy_file_postfix_(FLAC__Metadata_SimpleIterator *iterator, FILE **tempfile, char **tempfilename, int fixup_is_last_code, FLAC__off_t fixup_is_last_flag_offset, FLAC__bool backup) +{ + FLAC__off_t save_offset = iterator->offset[iterator->depth]; + FLAC__ASSERT(0 != *tempfile); + + if(0 != fseeko(iterator->file, save_offset + (FLAC__off_t)FLAC__STREAM_METADATA_HEADER_LENGTH + (FLAC__off_t)iterator->length, SEEK_SET)) { + cleanup_tempfile_(tempfile, tempfilename); + iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_SEEK_ERROR; + return false; + } + if(!copy_remaining_bytes_from_file_(iterator->file, *tempfile, &iterator->status)) { + cleanup_tempfile_(tempfile, tempfilename); + return false; + } + + if(fixup_is_last_code != 0) { + /* + * if code == 1, it means a block was appended to the end so + * we have to clear the is_last flag of the previous block + * if code == -1, it means the last block was deleted so + * we have to set the is_last flag of the previous block + */ + /* MAGIC NUMBERs here; we know the is_last flag is the high bit of the byte at this location */ + FLAC__byte x; + if(0 != fseeko(*tempfile, fixup_is_last_flag_offset, SEEK_SET)) { + cleanup_tempfile_(tempfile, tempfilename); + iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_SEEK_ERROR; + return false; + } + if(fread(&x, 1, 1, *tempfile) != 1) { + cleanup_tempfile_(tempfile, tempfilename); + iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR; + return false; + } + if(fixup_is_last_code > 0) { + FLAC__ASSERT(x & 0x80); + x &= 0x7f; + } + else { + FLAC__ASSERT(!(x & 0x80)); + x |= 0x80; + } + if(0 != fseeko(*tempfile, fixup_is_last_flag_offset, SEEK_SET)) { + cleanup_tempfile_(tempfile, tempfilename); + iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_SEEK_ERROR; + return false; + } + if(local__fwrite(&x, 1, 1, *tempfile) != 1) { + cleanup_tempfile_(tempfile, tempfilename); + iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_WRITE_ERROR; + return false; + } + } + + (void)fclose(iterator->file); + + if(!transport_tempfile_(iterator->filename, tempfile, tempfilename, &iterator->status)) + return false; + + if(iterator->has_stats) + set_file_stats_(iterator->filename, &iterator->stats); + + if(!simple_iterator_prime_input_(iterator, !iterator->is_writable)) + return false; + if(backup) { + while(iterator->offset[iterator->depth] + (FLAC__off_t)FLAC__STREAM_METADATA_HEADER_LENGTH + (FLAC__off_t)iterator->length < save_offset) + if(!FLAC__metadata_simple_iterator_next(iterator)) + return false; + return true; + } + else { + /* move the iterator to it's original block faster by faking a push, then doing a pop_ */ + FLAC__ASSERT(iterator->depth == 0); + iterator->offset[0] = save_offset; + iterator->depth++; + return simple_iterator_pop_(iterator); + } +} + +FLAC__bool copy_n_bytes_from_file_(FILE *file, FILE *tempfile, FLAC__off_t bytes, FLAC__Metadata_SimpleIteratorStatus *status) +{ + FLAC__byte buffer[8192]; + size_t n; + + FLAC__ASSERT(bytes >= 0); + while(bytes > 0) { + n = flac_min(sizeof(buffer), (size_t)bytes); + if(fread(buffer, 1, n, file) != n) { + *status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR; + return false; + } + if(local__fwrite(buffer, 1, n, tempfile) != n) { + *status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_WRITE_ERROR; + return false; + } + bytes -= n; + } + + return true; +} + +FLAC__bool copy_n_bytes_from_file_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__IOHandle temp_handle, FLAC__IOCallback_Write temp_write_cb, FLAC__off_t bytes, FLAC__Metadata_SimpleIteratorStatus *status) +{ + FLAC__byte buffer[8192]; + size_t n; + + FLAC__ASSERT(bytes >= 0); + while(bytes > 0) { + n = flac_min(sizeof(buffer), (size_t)bytes); + if(read_cb(buffer, 1, n, handle) != n) { + *status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR; + return false; + } + if(temp_write_cb(buffer, 1, n, temp_handle) != n) { + *status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_WRITE_ERROR; + return false; + } + bytes -= n; + } + + return true; +} + +FLAC__bool copy_remaining_bytes_from_file_(FILE *file, FILE *tempfile, FLAC__Metadata_SimpleIteratorStatus *status) +{ + FLAC__byte buffer[8192]; + size_t n; + + while(!feof(file)) { + n = fread(buffer, 1, sizeof(buffer), file); + if(n == 0 && !feof(file)) { + *status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR; + return false; + } + if(n > 0 && local__fwrite(buffer, 1, n, tempfile) != n) { + *status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_WRITE_ERROR; + return false; + } + } + + return true; +} + +FLAC__bool copy_remaining_bytes_from_file_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__IOCallback_Eof eof_cb, FLAC__IOHandle temp_handle, FLAC__IOCallback_Write temp_write_cb, FLAC__Metadata_SimpleIteratorStatus *status) +{ + FLAC__byte buffer[8192]; + size_t n; + + while(!eof_cb(handle)) { + n = read_cb(buffer, 1, sizeof(buffer), handle); + if(n == 0 && !eof_cb(handle)) { + *status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR; + return false; + } + if(n > 0 && temp_write_cb(buffer, 1, n, temp_handle) != n) { + *status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_WRITE_ERROR; + return false; + } + } + + return true; +} + +static int +local_snprintf(char *str, size_t size, const char *fmt, ...) +{ + va_list va; + int rc; + +#if defined _MSC_VER + if (size == 0) + return 1024; +#endif + + va_start (va, fmt); + +#if defined _MSC_VER + rc = vsnprintf_s (str, size, _TRUNCATE, fmt, va); + if (rc < 0) + rc = size - 1; +#elif defined __MINGW32__ + rc = __mingw_vsnprintf (str, size, fmt, va); +#else + rc = vsnprintf (str, size, fmt, va); +#endif + va_end (va); + + return rc; +} + +FLAC__bool open_tempfile_(const char *filename, const char *tempfile_path_prefix, FILE **tempfile, char **tempfilename, FLAC__Metadata_SimpleIteratorStatus *status) +{ + static const char *tempfile_suffix = ".metadata_edit"; + if(0 == tempfile_path_prefix) { + size_t dest_len = strlen(filename) + strlen(tempfile_suffix) + 1; + if(0 == (*tempfilename = safe_malloc_(dest_len))) { + *status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_MEMORY_ALLOCATION_ERROR; + return false; + } + local_snprintf(*tempfilename, dest_len, "%s%s", filename, tempfile_suffix); + } + else { + const char *p = strrchr(filename, '/'); + size_t dest_len; + if(0 == p) + p = filename; + else + p++; + + dest_len = strlen(tempfile_path_prefix) + strlen(p) + strlen(tempfile_suffix) + 2; + + if(0 == (*tempfilename = safe_malloc_(dest_len))) { + *status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_MEMORY_ALLOCATION_ERROR; + return false; + } + local_snprintf(*tempfilename, dest_len, "%s/%s%s", tempfile_path_prefix, p, tempfile_suffix); + } + + if(0 == (*tempfile = flac_fopen(*tempfilename, "w+b"))) { + *status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_ERROR_OPENING_FILE; + return false; + } + + return true; +} + +FLAC__bool transport_tempfile_(const char *filename, FILE **tempfile, char **tempfilename, FLAC__Metadata_SimpleIteratorStatus *status) +{ + FLAC__ASSERT(0 != filename); + FLAC__ASSERT(0 != tempfile); + FLAC__ASSERT(0 != *tempfile); + FLAC__ASSERT(0 != tempfilename); + FLAC__ASSERT(0 != *tempfilename); + FLAC__ASSERT(0 != status); + + (void)fclose(*tempfile); + *tempfile = 0; + +#if defined _MSC_VER || defined __BORLANDC__ || defined __MINGW32__ || defined __EMX__ + /* on some flavors of windows, flac_rename() will fail if the destination already exists */ + if(flac_unlink(filename) < 0) { + cleanup_tempfile_(tempfile, tempfilename); + *status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_UNLINK_ERROR; + return false; + } +#endif + + /*@@@ to fully support the tempfile_path_prefix we need to update this piece to actually copy across filesystems instead of just flac_rename(): */ + if(0 != flac_rename(*tempfilename, filename)) { + cleanup_tempfile_(tempfile, tempfilename); + *status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_RENAME_ERROR; + return false; + } + + cleanup_tempfile_(tempfile, tempfilename); + + return true; +} + +void cleanup_tempfile_(FILE **tempfile, char **tempfilename) +{ + if(0 != *tempfile) { + (void)fclose(*tempfile); + *tempfile = 0; + } + + if(0 != *tempfilename) { + (void)flac_unlink(*tempfilename); + free(*tempfilename); + *tempfilename = 0; + } +} + +FLAC__bool get_file_stats_(const char *filename, struct flac_stat_s *stats) +{ + FLAC__ASSERT(0 != filename); + FLAC__ASSERT(0 != stats); + return (0 == flac_stat(filename, stats)); +} + +void set_file_stats_(const char *filename, struct flac_stat_s *stats) +{ +#if defined(_POSIX_C_SOURCE) && (_POSIX_C_SOURCE >= 200809L) && !defined(_WIN32) + struct timespec srctime[2] = {}; + srctime[0].tv_sec = stats->st_atime; + srctime[1].tv_sec = stats->st_mtime; +#else + struct utimbuf srctime; + srctime.actime = stats->st_atime; + srctime.modtime = stats->st_mtime; +#endif + + FLAC__ASSERT(0 != filename); + FLAC__ASSERT(0 != stats); + + (void)flac_chmod(filename, stats->st_mode); + (void)flac_utime(filename, &srctime); +#if !defined _MSC_VER && !defined __BORLANDC__ && !defined __MINGW32__ + FLAC_CHECK_RETURN(chown(filename, stats->st_uid, -1)); + FLAC_CHECK_RETURN(chown(filename, -1, stats->st_gid)); +#endif +} + +int fseek_wrapper_(FLAC__IOHandle handle, FLAC__int64 offset, int whence) +{ + return fseeko((FILE*)handle, (FLAC__off_t)offset, whence); +} + +FLAC__int64 ftell_wrapper_(FLAC__IOHandle handle) +{ + return ftello((FILE*)handle); +} + +FLAC__Metadata_ChainStatus get_equivalent_status_(FLAC__Metadata_SimpleIteratorStatus status) +{ + switch(status) { + case FLAC__METADATA_SIMPLE_ITERATOR_STATUS_OK: + return FLAC__METADATA_CHAIN_STATUS_OK; + case FLAC__METADATA_SIMPLE_ITERATOR_STATUS_ILLEGAL_INPUT: + return FLAC__METADATA_CHAIN_STATUS_ILLEGAL_INPUT; + case FLAC__METADATA_SIMPLE_ITERATOR_STATUS_ERROR_OPENING_FILE: + return FLAC__METADATA_CHAIN_STATUS_ERROR_OPENING_FILE; + case FLAC__METADATA_SIMPLE_ITERATOR_STATUS_NOT_A_FLAC_FILE: + return FLAC__METADATA_CHAIN_STATUS_NOT_A_FLAC_FILE; + case FLAC__METADATA_SIMPLE_ITERATOR_STATUS_NOT_WRITABLE: + return FLAC__METADATA_CHAIN_STATUS_NOT_WRITABLE; + case FLAC__METADATA_SIMPLE_ITERATOR_STATUS_BAD_METADATA: + return FLAC__METADATA_CHAIN_STATUS_BAD_METADATA; + case FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR: + return FLAC__METADATA_CHAIN_STATUS_READ_ERROR; + case FLAC__METADATA_SIMPLE_ITERATOR_STATUS_SEEK_ERROR: + return FLAC__METADATA_CHAIN_STATUS_SEEK_ERROR; + case FLAC__METADATA_SIMPLE_ITERATOR_STATUS_WRITE_ERROR: + return FLAC__METADATA_CHAIN_STATUS_WRITE_ERROR; + case FLAC__METADATA_SIMPLE_ITERATOR_STATUS_RENAME_ERROR: + return FLAC__METADATA_CHAIN_STATUS_RENAME_ERROR; + case FLAC__METADATA_SIMPLE_ITERATOR_STATUS_UNLINK_ERROR: + return FLAC__METADATA_CHAIN_STATUS_UNLINK_ERROR; + case FLAC__METADATA_SIMPLE_ITERATOR_STATUS_MEMORY_ALLOCATION_ERROR: + return FLAC__METADATA_CHAIN_STATUS_MEMORY_ALLOCATION_ERROR; + case FLAC__METADATA_SIMPLE_ITERATOR_STATUS_INTERNAL_ERROR: + default: + return FLAC__METADATA_CHAIN_STATUS_INTERNAL_ERROR; + } +} diff --git a/src/libFLAC/metadata_object.c b/src/libFLAC/metadata_object.c new file mode 100644 index 0000000..73e7607 --- /dev/null +++ b/src/libFLAC/metadata_object.c @@ -0,0 +1,2018 @@ +/* libFLAC - Free Lossless Audio Codec library + * Copyright (C) 2001-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * - Neither the name of the Xiph.org Foundation nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include <stdlib.h> +#include <string.h> + +#include "private/metadata.h" +#include "private/memory.h" +#include "private/stream_encoder_framing.h" + +#include "FLAC/assert.h" +#include "FLAC/stream_decoder.h" +#include "share/alloc.h" +#include "share/compat.h" + +/* Alias the first (in share/alloc.h) to the second (in src/libFLAC/memory.c). */ +#define safe_malloc_mul_2op_ safe_malloc_mul_2op_p + + +/**************************************************************************** + * + * Local routines + * + ***************************************************************************/ + +/* copy bytes: + * from = NULL && bytes = 0 + * to <- NULL + * from != NULL && bytes > 0 + * to <- copy of from + * else ASSERT + * malloc error leaves 'to' unchanged + */ +static FLAC__bool copy_bytes_(FLAC__byte **to, const FLAC__byte *from, uint32_t bytes) +{ + FLAC__ASSERT(to != NULL); + if (bytes > 0 && from != NULL) { + FLAC__byte *x; + if ((x = safe_malloc_(bytes)) == NULL) + return false; + memcpy(x, from, bytes); + *to = x; + } + else { + *to = 0; + } + return true; +} + +#if 0 /* UNUSED */ +/* like copy_bytes_(), but free()s the original '*to' if the copy succeeds and the original '*to' is non-NULL */ +static FLAC__bool free_copy_bytes_(FLAC__byte **to, const FLAC__byte *from, uint32_t bytes) +{ + FLAC__byte *copy; + FLAC__ASSERT(to != NULL); + if (copy_bytes_(©, from, bytes)) { + free(*to); + *to = copy; + return true; + } + else + return false; +} +#endif + +/* reallocate entry to 1 byte larger and add a terminating NUL */ +/* realloc() failure leaves entry unchanged */ +static FLAC__bool ensure_null_terminated_(FLAC__byte **entry, uint32_t length) +{ + FLAC__byte *x = safe_realloc_nofree_add_2op_(*entry, length, /*+*/1); + if (x != NULL) { + x[length] = '\0'; + *entry = x; + return true; + } + else + return false; +} + +/* copies the NUL-terminated C-string 'from' to '*to', leaving '*to' + * unchanged if malloc fails, free()ing the original '*to' if it + * succeeds and the original '*to' was not NULL + */ +static FLAC__bool copy_cstring_(char **to, const char *from) +{ + char *copy = strdup(from); + FLAC__ASSERT(to != NULL); + if (copy) { + free(*to); + *to = copy; + return true; + } + else + return false; +} + +static FLAC__bool copy_vcentry_(FLAC__StreamMetadata_VorbisComment_Entry *to, const FLAC__StreamMetadata_VorbisComment_Entry *from) +{ + to->length = from->length; + if (from->entry == 0) { + FLAC__ASSERT(from->length == 0); + if ((to->entry = safe_malloc_(1)) == NULL) + return false; + to->entry[0] = '\0'; + } + else { + FLAC__byte *x; + if ((x = safe_malloc_add_2op_(from->length, /*+*/1)) == NULL) + return false; + memcpy(x, from->entry, from->length); + x[from->length] = '\0'; + to->entry = x; + } + return true; +} + +static FLAC__bool copy_track_(FLAC__StreamMetadata_CueSheet_Track *to, const FLAC__StreamMetadata_CueSheet_Track *from) +{ + memcpy(to, from, sizeof(FLAC__StreamMetadata_CueSheet_Track)); + if (from->indices == 0) { + FLAC__ASSERT(from->num_indices == 0); + } + else { + FLAC__StreamMetadata_CueSheet_Index *x; + FLAC__ASSERT(from->num_indices > 0); + if ((x = safe_malloc_mul_2op_p(from->num_indices, /*times*/sizeof(FLAC__StreamMetadata_CueSheet_Index))) == NULL) + return false; + memcpy(x, from->indices, from->num_indices * sizeof(FLAC__StreamMetadata_CueSheet_Index)); + to->indices = x; + } + return true; +} + +static void seektable_calculate_length_(FLAC__StreamMetadata *object) +{ + FLAC__ASSERT(object != NULL); + FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_SEEKTABLE); + + object->length = object->data.seek_table.num_points * FLAC__STREAM_METADATA_SEEKPOINT_LENGTH; +} + +static FLAC__StreamMetadata_SeekPoint *seekpoint_array_new_(uint32_t num_points) +{ + FLAC__StreamMetadata_SeekPoint *object_array; + + FLAC__ASSERT(num_points > 0); + + object_array = safe_malloc_mul_2op_p(num_points, /*times*/sizeof(FLAC__StreamMetadata_SeekPoint)); + + if (object_array != NULL) { + uint32_t i; + for (i = 0; i < num_points; i++) { + object_array[i].sample_number = FLAC__STREAM_METADATA_SEEKPOINT_PLACEHOLDER; + object_array[i].stream_offset = 0; + object_array[i].frame_samples = 0; + } + } + + return object_array; +} + +static void vorbiscomment_calculate_length_(FLAC__StreamMetadata *object) +{ + uint32_t i; + + FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_VORBIS_COMMENT); + + object->length = (FLAC__STREAM_METADATA_VORBIS_COMMENT_ENTRY_LENGTH_LEN) / 8; + object->length += object->data.vorbis_comment.vendor_string.length; + object->length += (FLAC__STREAM_METADATA_VORBIS_COMMENT_NUM_COMMENTS_LEN) / 8; + for (i = 0; i < object->data.vorbis_comment.num_comments; i++) { + object->length += (FLAC__STREAM_METADATA_VORBIS_COMMENT_ENTRY_LENGTH_LEN / 8); + object->length += object->data.vorbis_comment.comments[i].length; + } +} + +static FLAC__StreamMetadata_VorbisComment_Entry *vorbiscomment_entry_array_new_(uint32_t num_comments) +{ + FLAC__ASSERT(num_comments > 0); + + return safe_calloc_(num_comments, sizeof(FLAC__StreamMetadata_VorbisComment_Entry)); +} + +static void vorbiscomment_entry_array_delete_(FLAC__StreamMetadata_VorbisComment_Entry *object_array, uint32_t num_comments) +{ + uint32_t i; + + FLAC__ASSERT(object_array != NULL); + + for (i = 0; i < num_comments; i++) + free(object_array[i].entry); + + free(object_array); +} + +static FLAC__StreamMetadata_VorbisComment_Entry *vorbiscomment_entry_array_copy_(const FLAC__StreamMetadata_VorbisComment_Entry *object_array, uint32_t num_comments) +{ + FLAC__StreamMetadata_VorbisComment_Entry *return_array; + + FLAC__ASSERT(object_array != NULL); + FLAC__ASSERT(num_comments > 0); + + return_array = vorbiscomment_entry_array_new_(num_comments); + + if (return_array != NULL) { + uint32_t i; + + for (i = 0; i < num_comments; i++) { + if (!copy_vcentry_(return_array+i, object_array+i)) { + vorbiscomment_entry_array_delete_(return_array, num_comments); + return 0; + } + } + } + + return return_array; +} + +static FLAC__bool vorbiscomment_set_entry_(FLAC__StreamMetadata *object, FLAC__StreamMetadata_VorbisComment_Entry *dest, const FLAC__StreamMetadata_VorbisComment_Entry *src, FLAC__bool copy) +{ + FLAC__byte *save; + + FLAC__ASSERT(object != NULL); + FLAC__ASSERT(dest != NULL); + FLAC__ASSERT(src != NULL); + FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_VORBIS_COMMENT); + FLAC__ASSERT((src->entry != NULL && src->length > 0) || (src->entry == NULL && src->length == 0)); + + save = dest->entry; + + if (src->entry != NULL) { + if (copy) { + /* do the copy first so that if we fail we leave the dest object untouched */ + if (!copy_vcentry_(dest, src)) + return false; + } + else { + /* we have to make sure that the string we're taking over is null-terminated */ + + /* + * Stripping the const from src->entry is OK since we're taking + * ownership of the pointer. This is a hack around a deficiency + * in the API where the same function is used for 'copy' and + * 'own', but the source entry is a const pointer. If we were + * precise, the 'own' flavor would be a separate function with a + * non-const source pointer. But it's not, so we hack away. + */ + if (!ensure_null_terminated_((FLAC__byte**)(&src->entry), src->length)) + return false; + *dest = *src; + } + } + else { + /* the src is null */ + *dest = *src; + } + + free(save); + + vorbiscomment_calculate_length_(object); + return true; +} + +static int vorbiscomment_find_entry_from_(const FLAC__StreamMetadata *object, uint32_t offset, const char *field_name, uint32_t field_name_length) +{ + uint32_t i; + + FLAC__ASSERT(object != NULL); + FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_VORBIS_COMMENT); + FLAC__ASSERT(field_name != NULL); + + for (i = offset; i < object->data.vorbis_comment.num_comments; i++) { + if (FLAC__metadata_object_vorbiscomment_entry_matches(object->data.vorbis_comment.comments[i], field_name, field_name_length)) + return (int)i; + } + + return -1; +} + +static void cuesheet_calculate_length_(FLAC__StreamMetadata *object) +{ + uint32_t i; + + FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_CUESHEET); + + object->length = ( + FLAC__STREAM_METADATA_CUESHEET_MEDIA_CATALOG_NUMBER_LEN + + FLAC__STREAM_METADATA_CUESHEET_LEAD_IN_LEN + + FLAC__STREAM_METADATA_CUESHEET_IS_CD_LEN + + FLAC__STREAM_METADATA_CUESHEET_RESERVED_LEN + + FLAC__STREAM_METADATA_CUESHEET_NUM_TRACKS_LEN + ) / 8; + + object->length += object->data.cue_sheet.num_tracks * ( + FLAC__STREAM_METADATA_CUESHEET_TRACK_OFFSET_LEN + + FLAC__STREAM_METADATA_CUESHEET_TRACK_NUMBER_LEN + + FLAC__STREAM_METADATA_CUESHEET_TRACK_ISRC_LEN + + FLAC__STREAM_METADATA_CUESHEET_TRACK_TYPE_LEN + + FLAC__STREAM_METADATA_CUESHEET_TRACK_PRE_EMPHASIS_LEN + + FLAC__STREAM_METADATA_CUESHEET_TRACK_RESERVED_LEN + + FLAC__STREAM_METADATA_CUESHEET_TRACK_NUM_INDICES_LEN + ) / 8; + + for (i = 0; i < object->data.cue_sheet.num_tracks; i++) { + object->length += object->data.cue_sheet.tracks[i].num_indices * ( + FLAC__STREAM_METADATA_CUESHEET_INDEX_OFFSET_LEN + + FLAC__STREAM_METADATA_CUESHEET_INDEX_NUMBER_LEN + + FLAC__STREAM_METADATA_CUESHEET_INDEX_RESERVED_LEN + ) / 8; + } +} + +static FLAC__StreamMetadata_CueSheet_Index *cuesheet_track_index_array_new_(uint32_t num_indices) +{ + FLAC__ASSERT(num_indices > 0); + + return safe_calloc_(num_indices, sizeof(FLAC__StreamMetadata_CueSheet_Index)); +} + +static FLAC__StreamMetadata_CueSheet_Track *cuesheet_track_array_new_(uint32_t num_tracks) +{ + FLAC__ASSERT(num_tracks > 0); + + return safe_calloc_(num_tracks, sizeof(FLAC__StreamMetadata_CueSheet_Track)); +} + +static void cuesheet_track_array_delete_(FLAC__StreamMetadata_CueSheet_Track *object_array, uint32_t num_tracks) +{ + uint32_t i; + + FLAC__ASSERT(object_array != NULL && num_tracks > 0); + + for (i = 0; i < num_tracks; i++) { + if (object_array[i].indices != 0) { + FLAC__ASSERT(object_array[i].num_indices > 0); + free(object_array[i].indices); + } + } + + free(object_array); +} + +static FLAC__StreamMetadata_CueSheet_Track *cuesheet_track_array_copy_(const FLAC__StreamMetadata_CueSheet_Track *object_array, uint32_t num_tracks) +{ + FLAC__StreamMetadata_CueSheet_Track *return_array; + + FLAC__ASSERT(object_array != NULL); + FLAC__ASSERT(num_tracks > 0); + + return_array = cuesheet_track_array_new_(num_tracks); + + if (return_array != NULL) { + uint32_t i; + + for (i = 0; i < num_tracks; i++) { + if (!copy_track_(return_array+i, object_array+i)) { + cuesheet_track_array_delete_(return_array, num_tracks); + return 0; + } + } + } + + return return_array; +} + +static FLAC__bool cuesheet_set_track_(FLAC__StreamMetadata *object, FLAC__StreamMetadata_CueSheet_Track *dest, const FLAC__StreamMetadata_CueSheet_Track *src, FLAC__bool copy) +{ + FLAC__StreamMetadata_CueSheet_Index *save; + + FLAC__ASSERT(object != NULL); + FLAC__ASSERT(dest != NULL); + FLAC__ASSERT(src != NULL); + FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_CUESHEET); + FLAC__ASSERT((src->indices != NULL && src->num_indices > 0) || (src->indices == NULL && src->num_indices == 0)); + + save = dest->indices; + + /* do the copy first so that if we fail we leave the object untouched */ + if (copy) { + if (!copy_track_(dest, src)) + return false; + } + else { + *dest = *src; + } + + free(save); + + cuesheet_calculate_length_(object); + return true; +} + + +/**************************************************************************** + * + * Metadata object routines + * + ***************************************************************************/ + +FLAC_API FLAC__StreamMetadata *FLAC__metadata_object_new(FLAC__MetadataType type) +{ + FLAC__StreamMetadata *object; + + if (type > FLAC__MAX_METADATA_TYPE) + return 0; + + object = calloc(1, sizeof(FLAC__StreamMetadata)); + if (object != NULL) { + object->is_last = false; + object->type = type; + switch(type) { + case FLAC__METADATA_TYPE_STREAMINFO: + object->length = FLAC__STREAM_METADATA_STREAMINFO_LENGTH; + break; + case FLAC__METADATA_TYPE_PADDING: + /* calloc() took care of this for us: + object->length = 0; + */ + break; + case FLAC__METADATA_TYPE_APPLICATION: + object->length = FLAC__STREAM_METADATA_APPLICATION_ID_LEN / 8; + /* calloc() took care of this for us: + object->data.application.data = 0; + */ + break; + case FLAC__METADATA_TYPE_SEEKTABLE: + /* calloc() took care of this for us: + object->length = 0; + object->data.seek_table.num_points = 0; + object->data.seek_table.points = 0; + */ + break; + case FLAC__METADATA_TYPE_VORBIS_COMMENT: + object->data.vorbis_comment.vendor_string.length = (uint32_t)strlen(FLAC__VENDOR_STRING); + if (!copy_bytes_(&object->data.vorbis_comment.vendor_string.entry, (const FLAC__byte*)FLAC__VENDOR_STRING, object->data.vorbis_comment.vendor_string.length+1)) { + free(object); + return 0; + } + vorbiscomment_calculate_length_(object); + break; + case FLAC__METADATA_TYPE_CUESHEET: + cuesheet_calculate_length_(object); + break; + case FLAC__METADATA_TYPE_PICTURE: + object->length = ( + FLAC__STREAM_METADATA_PICTURE_TYPE_LEN + + FLAC__STREAM_METADATA_PICTURE_MIME_TYPE_LENGTH_LEN + /* empty mime_type string */ + FLAC__STREAM_METADATA_PICTURE_DESCRIPTION_LENGTH_LEN + /* empty description string */ + FLAC__STREAM_METADATA_PICTURE_WIDTH_LEN + + FLAC__STREAM_METADATA_PICTURE_HEIGHT_LEN + + FLAC__STREAM_METADATA_PICTURE_DEPTH_LEN + + FLAC__STREAM_METADATA_PICTURE_COLORS_LEN + + FLAC__STREAM_METADATA_PICTURE_DATA_LENGTH_LEN + + 0 /* no data */ + ) / 8; + object->data.picture.type = FLAC__STREAM_METADATA_PICTURE_TYPE_OTHER; + object->data.picture.mime_type = 0; + object->data.picture.description = 0; + /* calloc() took care of this for us: + object->data.picture.width = 0; + object->data.picture.height = 0; + object->data.picture.depth = 0; + object->data.picture.colors = 0; + object->data.picture.data_length = 0; + object->data.picture.data = 0; + */ + /* now initialize mime_type and description with empty strings to make things easier on the client */ + if (!copy_cstring_(&object->data.picture.mime_type, "")) { + free(object); + return 0; + } + if (!copy_cstring_((char**)(&object->data.picture.description), "")) { + free(object->data.picture.mime_type); + free(object); + return 0; + } + break; + default: + /* calloc() took care of this for us: + object->length = 0; + object->data.unknown.data = 0; + */ + break; + } + } + + return object; +} + +FLAC_API FLAC__StreamMetadata *FLAC__metadata_object_clone(const FLAC__StreamMetadata *object) +{ + FLAC__StreamMetadata *to; + + FLAC__ASSERT(object != NULL); + + if ((to = FLAC__metadata_object_new(object->type)) != NULL) { + to->is_last = object->is_last; + to->type = object->type; + to->length = object->length; + switch(to->type) { + case FLAC__METADATA_TYPE_STREAMINFO: + memcpy(&to->data.stream_info, &object->data.stream_info, sizeof(FLAC__StreamMetadata_StreamInfo)); + break; + case FLAC__METADATA_TYPE_PADDING: + break; + case FLAC__METADATA_TYPE_APPLICATION: + if (to->length < FLAC__STREAM_METADATA_APPLICATION_ID_LEN / 8) { /* underflow check */ + FLAC__metadata_object_delete(to); + return 0; + } + memcpy(&to->data.application.id, &object->data.application.id, FLAC__STREAM_METADATA_APPLICATION_ID_LEN / 8); + if (!copy_bytes_(&to->data.application.data, object->data.application.data, object->length - FLAC__STREAM_METADATA_APPLICATION_ID_LEN / 8)) { + FLAC__metadata_object_delete(to); + return 0; + } + break; + case FLAC__METADATA_TYPE_SEEKTABLE: + to->data.seek_table.num_points = object->data.seek_table.num_points; + if (to->data.seek_table.num_points > UINT32_MAX / sizeof(FLAC__StreamMetadata_SeekPoint)) { /* overflow check */ + FLAC__metadata_object_delete(to); + return 0; + } + if (!copy_bytes_((FLAC__byte**)&to->data.seek_table.points, (FLAC__byte*)object->data.seek_table.points, object->data.seek_table.num_points * sizeof(FLAC__StreamMetadata_SeekPoint))) { + FLAC__metadata_object_delete(to); + return 0; + } + break; + case FLAC__METADATA_TYPE_VORBIS_COMMENT: + if (to->data.vorbis_comment.vendor_string.entry != NULL) { + free(to->data.vorbis_comment.vendor_string.entry); + to->data.vorbis_comment.vendor_string.entry = 0; + } + if (!copy_vcentry_(&to->data.vorbis_comment.vendor_string, &object->data.vorbis_comment.vendor_string)) { + FLAC__metadata_object_delete(to); + return 0; + } + if (object->data.vorbis_comment.num_comments == 0) { + to->data.vorbis_comment.comments = 0; + } + else { + to->data.vorbis_comment.comments = vorbiscomment_entry_array_copy_(object->data.vorbis_comment.comments, object->data.vorbis_comment.num_comments); + if (to->data.vorbis_comment.comments == NULL) { + to->data.vorbis_comment.num_comments = 0; + FLAC__metadata_object_delete(to); + return 0; + } + } + to->data.vorbis_comment.num_comments = object->data.vorbis_comment.num_comments; + break; + case FLAC__METADATA_TYPE_CUESHEET: + memcpy(&to->data.cue_sheet, &object->data.cue_sheet, sizeof(FLAC__StreamMetadata_CueSheet)); + if (object->data.cue_sheet.num_tracks == 0) { + FLAC__ASSERT(object->data.cue_sheet.tracks == NULL); + } + else { + FLAC__ASSERT(object->data.cue_sheet.tracks != 0); + to->data.cue_sheet.tracks = cuesheet_track_array_copy_(object->data.cue_sheet.tracks, object->data.cue_sheet.num_tracks); + if (to->data.cue_sheet.tracks == NULL) { + FLAC__metadata_object_delete(to); + return 0; + } + } + break; + case FLAC__METADATA_TYPE_PICTURE: + to->data.picture.type = object->data.picture.type; + if (!copy_cstring_(&to->data.picture.mime_type, object->data.picture.mime_type)) { + FLAC__metadata_object_delete(to); + return 0; + } + if (!copy_cstring_((char**)(&to->data.picture.description), (const char*)object->data.picture.description)) { + FLAC__metadata_object_delete(to); + return 0; + } + to->data.picture.width = object->data.picture.width; + to->data.picture.height = object->data.picture.height; + to->data.picture.depth = object->data.picture.depth; + to->data.picture.colors = object->data.picture.colors; + to->data.picture.data_length = object->data.picture.data_length; + if (!copy_bytes_((&to->data.picture.data), object->data.picture.data, object->data.picture.data_length)) { + FLAC__metadata_object_delete(to); + return 0; + } + break; + default: + if (!copy_bytes_(&to->data.unknown.data, object->data.unknown.data, object->length)) { + FLAC__metadata_object_delete(to); + return 0; + } + break; + } + } + + return to; +} + +void FLAC__metadata_object_delete_data(FLAC__StreamMetadata *object) +{ + FLAC__ASSERT(object != NULL); + + switch(object->type) { + case FLAC__METADATA_TYPE_STREAMINFO: + case FLAC__METADATA_TYPE_PADDING: + break; + case FLAC__METADATA_TYPE_APPLICATION: + if (object->data.application.data != NULL) { + free(object->data.application.data); + object->data.application.data = NULL; + } + break; + case FLAC__METADATA_TYPE_SEEKTABLE: + if (object->data.seek_table.points != NULL) { + free(object->data.seek_table.points); + object->data.seek_table.points = NULL; + } + break; + case FLAC__METADATA_TYPE_VORBIS_COMMENT: + if (object->data.vorbis_comment.vendor_string.entry != NULL) { + free(object->data.vorbis_comment.vendor_string.entry); + object->data.vorbis_comment.vendor_string.entry = 0; + } + if (object->data.vorbis_comment.comments != NULL) { + vorbiscomment_entry_array_delete_(object->data.vorbis_comment.comments, object->data.vorbis_comment.num_comments); + object->data.vorbis_comment.comments = NULL; + object->data.vorbis_comment.num_comments = 0; + } + break; + case FLAC__METADATA_TYPE_CUESHEET: + if (object->data.cue_sheet.tracks != NULL) { + FLAC__ASSERT(object->data.cue_sheet.num_tracks > 0); + cuesheet_track_array_delete_(object->data.cue_sheet.tracks, object->data.cue_sheet.num_tracks); + object->data.cue_sheet.tracks = NULL; + object->data.cue_sheet.num_tracks = 0; + } + break; + case FLAC__METADATA_TYPE_PICTURE: + if (object->data.picture.mime_type != NULL) { + free(object->data.picture.mime_type); + object->data.picture.mime_type = NULL; + } + if (object->data.picture.description != NULL) { + free(object->data.picture.description); + object->data.picture.description = NULL; + } + if (object->data.picture.data != NULL) { + free(object->data.picture.data); + object->data.picture.data = NULL; + } + break; + default: + if (object->data.unknown.data != NULL) { + free(object->data.unknown.data); + object->data.unknown.data = NULL; + } + break; + } +} + +FLAC_API void FLAC__metadata_object_delete(FLAC__StreamMetadata *object) +{ + FLAC__metadata_object_delete_data(object); + free(object); +} + +static FLAC__bool compare_block_data_streaminfo_(const FLAC__StreamMetadata_StreamInfo *block1, const FLAC__StreamMetadata_StreamInfo *block2) +{ + if (block1->min_blocksize != block2->min_blocksize) + return false; + if (block1->max_blocksize != block2->max_blocksize) + return false; + if (block1->min_framesize != block2->min_framesize) + return false; + if (block1->max_framesize != block2->max_framesize) + return false; + if (block1->sample_rate != block2->sample_rate) + return false; + if (block1->channels != block2->channels) + return false; + if (block1->bits_per_sample != block2->bits_per_sample) + return false; + if (block1->total_samples != block2->total_samples) + return false; + if (memcmp(block1->md5sum, block2->md5sum, 16) != 0) + return false; + return true; +} + +static FLAC__bool compare_block_data_application_(const FLAC__StreamMetadata_Application *block1, const FLAC__StreamMetadata_Application *block2, uint32_t block_length) +{ + FLAC__ASSERT(block1 != NULL); + FLAC__ASSERT(block2 != NULL); + FLAC__ASSERT(block_length >= sizeof(block1->id)); + + if (memcmp(block1->id, block2->id, sizeof(block1->id)) != 0) + return false; + if (block1->data != NULL && block2->data != NULL) + return memcmp(block1->data, block2->data, block_length - sizeof(block1->id)) == 0; + else + return block1->data == block2->data; +} + +static FLAC__bool compare_block_data_seektable_(const FLAC__StreamMetadata_SeekTable *block1, const FLAC__StreamMetadata_SeekTable *block2) +{ + uint32_t i; + + FLAC__ASSERT(block1 != NULL); + FLAC__ASSERT(block2 != NULL); + + if (block1->num_points != block2->num_points) + return false; + + if (block1->points != NULL && block2->points != NULL) { + for (i = 0; i < block1->num_points; i++) { + if (block1->points[i].sample_number != block2->points[i].sample_number) + return false; + if (block1->points[i].stream_offset != block2->points[i].stream_offset) + return false; + if (block1->points[i].frame_samples != block2->points[i].frame_samples) + return false; + } + return true; + } + else + return block1->points == block2->points; +} + +static FLAC__bool compare_block_data_vorbiscomment_(const FLAC__StreamMetadata_VorbisComment *block1, const FLAC__StreamMetadata_VorbisComment *block2) +{ + uint32_t i; + + if (block1->vendor_string.length != block2->vendor_string.length) + return false; + + if (block1->vendor_string.entry != NULL && block2->vendor_string.entry != NULL) { + if (memcmp(block1->vendor_string.entry, block2->vendor_string.entry, block1->vendor_string.length) != 0) + return false; + } + else if (block1->vendor_string.entry != block2->vendor_string.entry) + return false; + + if (block1->num_comments != block2->num_comments) + return false; + + for (i = 0; i < block1->num_comments; i++) { + if (block1->comments[i].entry != NULL && block2->comments[i].entry != NULL) { + if (memcmp(block1->comments[i].entry, block2->comments[i].entry, block1->comments[i].length) != 0) + return false; + } + else if (block1->comments[i].entry != block2->comments[i].entry) + return false; + } + return true; +} + +static FLAC__bool compare_block_data_cuesheet_(const FLAC__StreamMetadata_CueSheet *block1, const FLAC__StreamMetadata_CueSheet *block2) +{ + uint32_t i, j; + + if (strcmp(block1->media_catalog_number, block2->media_catalog_number) != 0) + return false; + + if (block1->lead_in != block2->lead_in) + return false; + + if (block1->is_cd != block2->is_cd) + return false; + + if (block1->num_tracks != block2->num_tracks) + return false; + + if (block1->tracks != NULL && block2->tracks != NULL) { + FLAC__ASSERT(block1->num_tracks > 0); + for (i = 0; i < block1->num_tracks; i++) { + if (block1->tracks[i].offset != block2->tracks[i].offset) + return false; + if (block1->tracks[i].number != block2->tracks[i].number) + return false; + if (memcmp(block1->tracks[i].isrc, block2->tracks[i].isrc, sizeof(block1->tracks[i].isrc)) != 0) + return false; + if (block1->tracks[i].type != block2->tracks[i].type) + return false; + if (block1->tracks[i].pre_emphasis != block2->tracks[i].pre_emphasis) + return false; + if (block1->tracks[i].num_indices != block2->tracks[i].num_indices) + return false; + if (block1->tracks[i].indices != NULL && block2->tracks[i].indices != NULL) { + FLAC__ASSERT(block1->tracks[i].num_indices > 0); + for (j = 0; j < block1->tracks[i].num_indices; j++) { + if (block1->tracks[i].indices[j].offset != block2->tracks[i].indices[j].offset) + return false; + if (block1->tracks[i].indices[j].number != block2->tracks[i].indices[j].number) + return false; + } + } + else if (block1->tracks[i].indices != block2->tracks[i].indices) + return false; + } + } + else if (block1->tracks != block2->tracks) + return false; + return true; +} + +static FLAC__bool compare_block_data_picture_(const FLAC__StreamMetadata_Picture *block1, const FLAC__StreamMetadata_Picture *block2) +{ + if (block1->type != block2->type) + return false; + if (block1->mime_type != block2->mime_type && (block1->mime_type == 0 || block2->mime_type == 0 || strcmp(block1->mime_type, block2->mime_type))) + return false; + if (block1->description != block2->description && (block1->description == 0 || block2->description == 0 || strcmp((const char *)block1->description, (const char *)block2->description))) + return false; + if (block1->width != block2->width) + return false; + if (block1->height != block2->height) + return false; + if (block1->depth != block2->depth) + return false; + if (block1->colors != block2->colors) + return false; + if (block1->data_length != block2->data_length) + return false; + if (block1->data != block2->data && (block1->data == NULL || block2->data == NULL || memcmp(block1->data, block2->data, block1->data_length))) + return false; + return true; +} + +static FLAC__bool compare_block_data_unknown_(const FLAC__StreamMetadata_Unknown *block1, const FLAC__StreamMetadata_Unknown *block2, uint32_t block_length) +{ + FLAC__ASSERT(block1 != NULL); + FLAC__ASSERT(block2 != NULL); + + if (block1->data != NULL && block2->data != NULL) + return memcmp(block1->data, block2->data, block_length) == 0; + else + return block1->data == block2->data; +} + +FLAC_API FLAC__bool FLAC__metadata_object_is_equal(const FLAC__StreamMetadata *block1, const FLAC__StreamMetadata *block2) +{ + FLAC__ASSERT(block1 != NULL); + FLAC__ASSERT(block2 != NULL); + + if (block1->type != block2->type) { + return false; + } + if (block1->is_last != block2->is_last) { + return false; + } + if (block1->length != block2->length) { + return false; + } + switch(block1->type) { + case FLAC__METADATA_TYPE_STREAMINFO: + return compare_block_data_streaminfo_(&block1->data.stream_info, &block2->data.stream_info); + case FLAC__METADATA_TYPE_PADDING: + return true; /* we don't compare the padding guts */ + case FLAC__METADATA_TYPE_APPLICATION: + return compare_block_data_application_(&block1->data.application, &block2->data.application, block1->length); + case FLAC__METADATA_TYPE_SEEKTABLE: + return compare_block_data_seektable_(&block1->data.seek_table, &block2->data.seek_table); + case FLAC__METADATA_TYPE_VORBIS_COMMENT: + return compare_block_data_vorbiscomment_(&block1->data.vorbis_comment, &block2->data.vorbis_comment); + case FLAC__METADATA_TYPE_CUESHEET: + return compare_block_data_cuesheet_(&block1->data.cue_sheet, &block2->data.cue_sheet); + case FLAC__METADATA_TYPE_PICTURE: + return compare_block_data_picture_(&block1->data.picture, &block2->data.picture); + default: + return compare_block_data_unknown_(&block1->data.unknown, &block2->data.unknown, block1->length); + } +} + +FLAC_API FLAC__bool FLAC__metadata_object_application_set_data(FLAC__StreamMetadata *object, FLAC__byte *data, uint32_t length, FLAC__bool copy) +{ + FLAC__byte *save; + + FLAC__ASSERT(object != NULL); + FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_APPLICATION); + FLAC__ASSERT((data != NULL && length > 0) || (data == NULL && length == 0 && copy == false)); + + save = object->data.application.data; + + /* do the copy first so that if we fail we leave the object untouched */ + if (copy) { + if (!copy_bytes_(&object->data.application.data, data, length)) + return false; + } + else { + object->data.application.data = data; + } + + free(save); + + object->length = FLAC__STREAM_METADATA_APPLICATION_ID_LEN / 8 + length; + return true; +} + +FLAC_API FLAC__bool FLAC__metadata_object_seektable_resize_points(FLAC__StreamMetadata *object, uint32_t new_num_points) +{ + FLAC__ASSERT(object != NULL); + FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_SEEKTABLE); + + if((FLAC__uint64)(new_num_points) * FLAC__STREAM_METADATA_SEEKPOINT_LENGTH >= (1u << FLAC__STREAM_METADATA_LENGTH_LEN)) + return false; + + if (object->data.seek_table.points == 0) { + FLAC__ASSERT(object->data.seek_table.num_points == 0); + if (new_num_points == 0) + return true; + else if ((object->data.seek_table.points = seekpoint_array_new_(new_num_points)) == 0) + return false; + } + else { + const size_t old_size = object->data.seek_table.num_points * sizeof(FLAC__StreamMetadata_SeekPoint); + const size_t new_size = new_num_points * sizeof(FLAC__StreamMetadata_SeekPoint); + + /* overflow check */ + if (new_num_points > UINT32_MAX / sizeof(FLAC__StreamMetadata_SeekPoint)) + return false; + + FLAC__ASSERT(object->data.seek_table.num_points > 0); + + if (new_size == 0) { + free(object->data.seek_table.points); + object->data.seek_table.points = 0; + } + else { + /* Leave object->data.seek_table.points untouched if realloc fails */ + FLAC__StreamMetadata_SeekPoint *tmpptr; + if ((tmpptr = realloc(object->data.seek_table.points, new_size)) == NULL) + return false; + object->data.seek_table.points = tmpptr; + } + + /* if growing, set new elements to placeholders */ + if (new_size > old_size) { + uint32_t i; + for (i = object->data.seek_table.num_points; i < new_num_points; i++) { + object->data.seek_table.points[i].sample_number = FLAC__STREAM_METADATA_SEEKPOINT_PLACEHOLDER; + object->data.seek_table.points[i].stream_offset = 0; + object->data.seek_table.points[i].frame_samples = 0; + } + } + } + + object->data.seek_table.num_points = new_num_points; + + seektable_calculate_length_(object); + return true; +} + +FLAC_API void FLAC__metadata_object_seektable_set_point(FLAC__StreamMetadata *object, uint32_t point_num, FLAC__StreamMetadata_SeekPoint point) +{ + FLAC__ASSERT(object != NULL); + FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_SEEKTABLE); + FLAC__ASSERT(point_num < object->data.seek_table.num_points); + + object->data.seek_table.points[point_num] = point; +} + +FLAC_API FLAC__bool FLAC__metadata_object_seektable_insert_point(FLAC__StreamMetadata *object, uint32_t point_num, FLAC__StreamMetadata_SeekPoint point) +{ + int i; + + FLAC__ASSERT(object != NULL); + FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_SEEKTABLE); + FLAC__ASSERT(point_num <= object->data.seek_table.num_points); + + if (!FLAC__metadata_object_seektable_resize_points(object, object->data.seek_table.num_points+1)) + return false; + + /* move all points >= point_num forward one space */ + for (i = (int)object->data.seek_table.num_points-1; i > (int)point_num; i--) + object->data.seek_table.points[i] = object->data.seek_table.points[i-1]; + + FLAC__metadata_object_seektable_set_point(object, point_num, point); + seektable_calculate_length_(object); + return true; +} + +FLAC_API FLAC__bool FLAC__metadata_object_seektable_delete_point(FLAC__StreamMetadata *object, uint32_t point_num) +{ + uint32_t i; + + FLAC__ASSERT(object != NULL); + FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_SEEKTABLE); + FLAC__ASSERT(point_num < object->data.seek_table.num_points); + + /* move all points > point_num backward one space */ + for (i = point_num; i < object->data.seek_table.num_points-1; i++) + object->data.seek_table.points[i] = object->data.seek_table.points[i+1]; + + return FLAC__metadata_object_seektable_resize_points(object, object->data.seek_table.num_points-1); +} + +FLAC_API FLAC__bool FLAC__metadata_object_seektable_is_legal(const FLAC__StreamMetadata *object) +{ + FLAC__ASSERT(object != NULL); + FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_SEEKTABLE); + + return FLAC__format_seektable_is_legal(&object->data.seek_table); +} + +FLAC_API FLAC__bool FLAC__metadata_object_seektable_template_append_placeholders(FLAC__StreamMetadata *object, uint32_t num) +{ + FLAC__ASSERT(object != NULL); + FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_SEEKTABLE); + + if (num > 0) + /* WATCHOUT: we rely on the fact that growing the array adds PLACEHOLDERS at the end */ + return FLAC__metadata_object_seektable_resize_points(object, object->data.seek_table.num_points + num); + else + return true; +} + +FLAC_API FLAC__bool FLAC__metadata_object_seektable_template_append_point(FLAC__StreamMetadata *object, FLAC__uint64 sample_number) +{ + FLAC__StreamMetadata_SeekTable *seek_table; + + FLAC__ASSERT(object != NULL); + FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_SEEKTABLE); + + seek_table = &object->data.seek_table; + + if (!FLAC__metadata_object_seektable_resize_points(object, seek_table->num_points + 1)) + return false; + + seek_table->points[seek_table->num_points - 1].sample_number = sample_number; + seek_table->points[seek_table->num_points - 1].stream_offset = 0; + seek_table->points[seek_table->num_points - 1].frame_samples = 0; + + return true; +} + +FLAC_API FLAC__bool FLAC__metadata_object_seektable_template_append_points(FLAC__StreamMetadata *object, FLAC__uint64 sample_numbers[], uint32_t num) +{ + FLAC__ASSERT(object != NULL); + FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_SEEKTABLE); + FLAC__ASSERT(sample_numbers != 0 || num == 0); + + if (num > 0) { + FLAC__StreamMetadata_SeekTable *seek_table = &object->data.seek_table; + uint32_t i, j; + + i = seek_table->num_points; + + if (!FLAC__metadata_object_seektable_resize_points(object, seek_table->num_points + num)) + return false; + + for (j = 0; j < num; i++, j++) { + seek_table->points[i].sample_number = sample_numbers[j]; + seek_table->points[i].stream_offset = 0; + seek_table->points[i].frame_samples = 0; + } + } + + return true; +} + +FLAC_API FLAC__bool FLAC__metadata_object_seektable_template_append_spaced_points(FLAC__StreamMetadata *object, uint32_t num, FLAC__uint64 total_samples) +{ + FLAC__ASSERT(object != NULL); + FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_SEEKTABLE); + + if (num > 0 && total_samples > 0) { + FLAC__StreamMetadata_SeekTable *seek_table = &object->data.seek_table; + uint32_t i, j; + + i = seek_table->num_points; + + if (!FLAC__metadata_object_seektable_resize_points(object, seek_table->num_points + num)) + return false; + + for (j = 0; j < num; i++, j++) { + seek_table->points[i].sample_number = total_samples * (FLAC__uint64)j / (FLAC__uint64)num; + seek_table->points[i].stream_offset = 0; + seek_table->points[i].frame_samples = 0; + } + } + + return true; +} + +FLAC_API FLAC__bool FLAC__metadata_object_seektable_template_append_spaced_points_by_samples(FLAC__StreamMetadata *object, uint32_t samples, FLAC__uint64 total_samples) +{ + FLAC__ASSERT(object != NULL); + FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_SEEKTABLE); + + if (samples > 0 && total_samples > 0) { + FLAC__StreamMetadata_SeekTable *seek_table = &object->data.seek_table; + uint32_t i, j; + FLAC__uint64 num, sample; + + num = 1 + total_samples / samples; /* 1+ for the first sample at 0 */ + /* now account for the fact that we don't place a seekpoint at "total_samples" since samples are number from 0: */ + if (total_samples % samples == 0) + num--; + + /* Put a strict upper bound on the number of allowed seek points. */ + if (num > 32768) { + /* Set the bound and recalculate samples accordingly. */ + num = 32768; + samples = (uint32_t)(total_samples / num); + } + + i = seek_table->num_points; + + if (!FLAC__metadata_object_seektable_resize_points(object, seek_table->num_points + (uint32_t)num)) + return false; + + sample = 0; + for (j = 0; j < num; i++, j++, sample += samples) { + seek_table->points[i].sample_number = sample; + seek_table->points[i].stream_offset = 0; + seek_table->points[i].frame_samples = 0; + } + } + + return true; +} + +FLAC_API FLAC__bool FLAC__metadata_object_seektable_template_sort(FLAC__StreamMetadata *object, FLAC__bool compact) +{ + uint32_t unique; + + FLAC__ASSERT(object != NULL); + FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_SEEKTABLE); + + unique = FLAC__format_seektable_sort(&object->data.seek_table); + + return !compact || FLAC__metadata_object_seektable_resize_points(object, unique); +} + +FLAC_API FLAC__bool FLAC__metadata_object_vorbiscomment_set_vendor_string(FLAC__StreamMetadata *object, FLAC__StreamMetadata_VorbisComment_Entry entry, FLAC__bool copy) +{ + if (!FLAC__format_vorbiscomment_entry_value_is_legal(entry.entry, entry.length)) + return false; + return vorbiscomment_set_entry_(object, &object->data.vorbis_comment.vendor_string, &entry, copy); +} + +FLAC_API FLAC__bool FLAC__metadata_object_vorbiscomment_resize_comments(FLAC__StreamMetadata *object, uint32_t new_num_comments) +{ + FLAC__ASSERT(object != NULL); + FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_VORBIS_COMMENT); + + if (object->data.vorbis_comment.comments == NULL) { + FLAC__ASSERT(object->data.vorbis_comment.num_comments == 0); + if (new_num_comments == 0) + return true; + else { + uint32_t i; + if ((object->data.vorbis_comment.comments = vorbiscomment_entry_array_new_(new_num_comments)) == NULL) + return false; + for (i = 0; i < new_num_comments; i++) { + object->data.vorbis_comment.comments[i].length = 0; + if ((object->data.vorbis_comment.comments[i].entry = safe_malloc_(1)) == NULL) { + object->data.vorbis_comment.num_comments = i+1; + return false; + } + object->data.vorbis_comment.comments[i].entry[0] = '\0'; + } + } + } + else { + const size_t old_size = object->data.vorbis_comment.num_comments * sizeof(FLAC__StreamMetadata_VorbisComment_Entry); + const size_t new_size = new_num_comments * sizeof(FLAC__StreamMetadata_VorbisComment_Entry); + + /* overflow check */ + if (new_num_comments > UINT32_MAX / sizeof(FLAC__StreamMetadata_VorbisComment_Entry)) + return false; + + FLAC__ASSERT(object->data.vorbis_comment.num_comments > 0); + + /* if shrinking, free the truncated entries */ + if (new_num_comments < object->data.vorbis_comment.num_comments) { + uint32_t i; + for (i = new_num_comments; i < object->data.vorbis_comment.num_comments; i++) + if (object->data.vorbis_comment.comments[i].entry != NULL) + free(object->data.vorbis_comment.comments[i].entry); + } + + if (new_size == 0) { + free(object->data.vorbis_comment.comments); + object->data.vorbis_comment.comments = 0; + } + else { + /* Leave object->data.vorbis_comment.comments untouched if realloc fails */ + FLAC__StreamMetadata_VorbisComment_Entry *tmpptr; + if ((tmpptr = realloc(object->data.vorbis_comment.comments, new_size)) == NULL) + return false; + object->data.vorbis_comment.comments = tmpptr; + } + + /* if growing, zero all the length/pointers of new elements */ + if (new_size > old_size) { + uint32_t i; + for (i = object->data.vorbis_comment.num_comments; i < new_num_comments; i++) { + object->data.vorbis_comment.comments[i].length = 0; + if ((object->data.vorbis_comment.comments[i].entry = safe_malloc_(1)) == NULL) { + object->data.vorbis_comment.num_comments = i+1; + return false; + } + object->data.vorbis_comment.comments[i].entry[0] = '\0'; + } + } + } + + object->data.vorbis_comment.num_comments = new_num_comments; + + vorbiscomment_calculate_length_(object); + return true; +} + +FLAC_API FLAC__bool FLAC__metadata_object_vorbiscomment_set_comment(FLAC__StreamMetadata *object, uint32_t comment_num, FLAC__StreamMetadata_VorbisComment_Entry entry, FLAC__bool copy) +{ + FLAC__ASSERT(object != NULL); + FLAC__ASSERT(comment_num < object->data.vorbis_comment.num_comments); + + if (!FLAC__format_vorbiscomment_entry_is_legal(entry.entry, entry.length)) + return false; + return vorbiscomment_set_entry_(object, &object->data.vorbis_comment.comments[comment_num], &entry, copy); +} + +FLAC_API FLAC__bool FLAC__metadata_object_vorbiscomment_insert_comment(FLAC__StreamMetadata *object, uint32_t comment_num, FLAC__StreamMetadata_VorbisComment_Entry entry, FLAC__bool copy) +{ + FLAC__StreamMetadata_VorbisComment *vc; + FLAC__StreamMetadata_VorbisComment_Entry temp; + + FLAC__ASSERT(object != NULL); + FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_VORBIS_COMMENT); + FLAC__ASSERT(comment_num <= object->data.vorbis_comment.num_comments); + + if (!FLAC__format_vorbiscomment_entry_is_legal(entry.entry, entry.length)) + return false; + + vc = &object->data.vorbis_comment; + + if (!FLAC__metadata_object_vorbiscomment_resize_comments(object, vc->num_comments+1)) + return false; + + /* move all comments >= comment_num forward one space */ + /* reuse newly added empty comment */ + temp = vc->comments[vc->num_comments-1]; + memmove(&vc->comments[comment_num+1], &vc->comments[comment_num], sizeof(FLAC__StreamMetadata_VorbisComment_Entry)*(vc->num_comments-1-comment_num)); + vc->comments[comment_num] = temp; + + return FLAC__metadata_object_vorbiscomment_set_comment(object, comment_num, entry, copy); +} + +FLAC_API FLAC__bool FLAC__metadata_object_vorbiscomment_append_comment(FLAC__StreamMetadata *object, FLAC__StreamMetadata_VorbisComment_Entry entry, FLAC__bool copy) +{ + FLAC__ASSERT(object != NULL); + FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_VORBIS_COMMENT); + return FLAC__metadata_object_vorbiscomment_insert_comment(object, object->data.vorbis_comment.num_comments, entry, copy); +} + +FLAC_API FLAC__bool FLAC__metadata_object_vorbiscomment_replace_comment(FLAC__StreamMetadata *object, FLAC__StreamMetadata_VorbisComment_Entry entry, FLAC__bool all, FLAC__bool copy) +{ + FLAC__ASSERT(entry.entry != NULL); + + if (!FLAC__format_vorbiscomment_entry_is_legal(entry.entry, entry.length)) + return false; + + { + int i; + size_t field_name_length; + const FLAC__byte *eq = (FLAC__byte*)memchr(entry.entry, '=', entry.length); + + if (eq == NULL) + return false; /* double protection */ + + field_name_length = eq-entry.entry; + + i = vorbiscomment_find_entry_from_(object, 0, (const char *)entry.entry, field_name_length); + if (i >= 0) { + uint32_t indx = (uint32_t)i; + if (!FLAC__metadata_object_vorbiscomment_set_comment(object, indx, entry, copy)) + return false; + entry = object->data.vorbis_comment.comments[indx]; + indx++; /* skip over replaced comment */ + if (all && indx < object->data.vorbis_comment.num_comments) { + i = vorbiscomment_find_entry_from_(object, indx, (const char *)entry.entry, field_name_length); + while (i >= 0) { + indx = (uint32_t)i; + if (!FLAC__metadata_object_vorbiscomment_delete_comment(object, indx)) + return false; + if (indx < object->data.vorbis_comment.num_comments) + i = vorbiscomment_find_entry_from_(object, indx, (const char *)entry.entry, field_name_length); + else + i = -1; + } + } + return true; + } + else + return FLAC__metadata_object_vorbiscomment_append_comment(object, entry, copy); + } +} + +FLAC_API FLAC__bool FLAC__metadata_object_vorbiscomment_delete_comment(FLAC__StreamMetadata *object, uint32_t comment_num) +{ + FLAC__StreamMetadata_VorbisComment *vc; + + FLAC__ASSERT(object != NULL); + FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_VORBIS_COMMENT); + FLAC__ASSERT(comment_num < object->data.vorbis_comment.num_comments); + + vc = &object->data.vorbis_comment; + + /* free the comment at comment_num */ + free(vc->comments[comment_num].entry); + + /* move all comments > comment_num backward one space */ + memmove(&vc->comments[comment_num], &vc->comments[comment_num+1], sizeof(FLAC__StreamMetadata_VorbisComment_Entry)*(vc->num_comments-comment_num-1)); + vc->comments[vc->num_comments-1].length = 0; + vc->comments[vc->num_comments-1].entry = 0; + + return FLAC__metadata_object_vorbiscomment_resize_comments(object, vc->num_comments-1); +} + +FLAC_API FLAC__bool FLAC__metadata_object_vorbiscomment_entry_from_name_value_pair(FLAC__StreamMetadata_VorbisComment_Entry *entry, const char *field_name, const char *field_value) +{ + FLAC__ASSERT(entry != NULL); + FLAC__ASSERT(field_name != NULL); + FLAC__ASSERT(field_value != NULL); + + if (!FLAC__format_vorbiscomment_entry_name_is_legal(field_name)) + return false; + if (!FLAC__format_vorbiscomment_entry_value_is_legal((const FLAC__byte *)field_value, (uint32_t)(-1))) + return false; + + { + const size_t nn = strlen(field_name); + const size_t nv = strlen(field_value); + entry->length = nn + 1 /*=*/ + nv; + if ((entry->entry = safe_malloc_add_4op_(nn, /*+*/1, /*+*/nv, /*+*/1)) == NULL) + return false; + memcpy(entry->entry, field_name, nn); + entry->entry[nn] = '='; + memcpy(entry->entry+nn+1, field_value, nv); + entry->entry[entry->length] = '\0'; + } + + return true; +} + +FLAC_API FLAC__bool FLAC__metadata_object_vorbiscomment_entry_to_name_value_pair(const FLAC__StreamMetadata_VorbisComment_Entry entry, char **field_name, char **field_value) +{ + FLAC__ASSERT(entry.entry != NULL); + FLAC__ASSERT(field_name != NULL); + FLAC__ASSERT(field_value != NULL); + + if (!FLAC__format_vorbiscomment_entry_is_legal(entry.entry, entry.length)) + return false; + + { + const FLAC__byte *eq = (FLAC__byte*)memchr(entry.entry, '=', entry.length); + const size_t nn = eq-entry.entry; + const size_t nv = entry.length-nn-1; /* -1 for the '=' */ + + if (eq == NULL) + return false; /* double protection */ + if ((*field_name = safe_malloc_add_2op_(nn, /*+*/1)) == NULL) + return false; + if ((*field_value = safe_malloc_add_2op_(nv, /*+*/1)) == NULL) { + free(*field_name); + return false; + } + memcpy(*field_name, entry.entry, nn); + memcpy(*field_value, entry.entry+nn+1, nv); + (*field_name)[nn] = '\0'; + (*field_value)[nv] = '\0'; + } + + return true; +} + +FLAC_API FLAC__bool FLAC__metadata_object_vorbiscomment_entry_matches(const FLAC__StreamMetadata_VorbisComment_Entry entry, const char *field_name, uint32_t field_name_length) +{ + FLAC__ASSERT(entry.entry != NULL); + { + const FLAC__byte *eq = (FLAC__byte*)memchr(entry.entry, '=', entry.length); + return (eq != NULL && (uint32_t)(eq-entry.entry) == field_name_length && FLAC__STRNCASECMP(field_name, (const char *)entry.entry, field_name_length) == 0); + } +} + +FLAC_API int FLAC__metadata_object_vorbiscomment_find_entry_from(const FLAC__StreamMetadata *object, uint32_t offset, const char *field_name) +{ + FLAC__ASSERT(field_name != NULL); + + return vorbiscomment_find_entry_from_(object, offset, field_name, strlen(field_name)); +} + +FLAC_API int FLAC__metadata_object_vorbiscomment_remove_entry_matching(FLAC__StreamMetadata *object, const char *field_name) +{ + const uint32_t field_name_length = strlen(field_name); + uint32_t i; + + FLAC__ASSERT(object != NULL); + FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_VORBIS_COMMENT); + + for (i = 0; i < object->data.vorbis_comment.num_comments; i++) { + if (FLAC__metadata_object_vorbiscomment_entry_matches(object->data.vorbis_comment.comments[i], field_name, field_name_length)) { + if (!FLAC__metadata_object_vorbiscomment_delete_comment(object, i)) + return -1; + else + return 1; + } + } + + return 0; +} + +FLAC_API int FLAC__metadata_object_vorbiscomment_remove_entries_matching(FLAC__StreamMetadata *object, const char *field_name) +{ + FLAC__bool ok = true; + uint32_t matching = 0; + const uint32_t field_name_length = strlen(field_name); + int i; + + FLAC__ASSERT(object != NULL); + FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_VORBIS_COMMENT); + + /* must delete from end to start otherwise it will interfere with our iteration */ + for (i = (int)object->data.vorbis_comment.num_comments - 1; ok && i >= 0; i--) { + if (FLAC__metadata_object_vorbiscomment_entry_matches(object->data.vorbis_comment.comments[i], field_name, field_name_length)) { + matching++; + ok &= FLAC__metadata_object_vorbiscomment_delete_comment(object, (uint32_t)i); + } + } + + return ok? (int)matching : -1; +} + +FLAC_API FLAC__StreamMetadata_CueSheet_Track *FLAC__metadata_object_cuesheet_track_new(void) +{ + return calloc(1, sizeof(FLAC__StreamMetadata_CueSheet_Track)); +} + +FLAC_API FLAC__StreamMetadata_CueSheet_Track *FLAC__metadata_object_cuesheet_track_clone(const FLAC__StreamMetadata_CueSheet_Track *object) +{ + FLAC__StreamMetadata_CueSheet_Track *to; + + FLAC__ASSERT(object != NULL); + + if ((to = FLAC__metadata_object_cuesheet_track_new()) != NULL) { + if (!copy_track_(to, object)) { + FLAC__metadata_object_cuesheet_track_delete(to); + return 0; + } + } + + return to; +} + +void FLAC__metadata_object_cuesheet_track_delete_data(FLAC__StreamMetadata_CueSheet_Track *object) +{ + FLAC__ASSERT(object != NULL); + + if (object->indices != NULL) { + FLAC__ASSERT(object->num_indices > 0); + free(object->indices); + } +} + +FLAC_API void FLAC__metadata_object_cuesheet_track_delete(FLAC__StreamMetadata_CueSheet_Track *object) +{ + FLAC__metadata_object_cuesheet_track_delete_data(object); + free(object); +} + +FLAC_API FLAC__bool FLAC__metadata_object_cuesheet_track_resize_indices(FLAC__StreamMetadata *object, uint32_t track_num, uint32_t new_num_indices) +{ + FLAC__StreamMetadata_CueSheet_Track *track; + FLAC__ASSERT(object != NULL); + FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_CUESHEET); + FLAC__ASSERT(track_num < object->data.cue_sheet.num_tracks); + + track = &object->data.cue_sheet.tracks[track_num]; + + if (track->indices == NULL) { + FLAC__ASSERT(track->num_indices == 0); + if (new_num_indices == 0) + return true; + else if ((track->indices = cuesheet_track_index_array_new_(new_num_indices)) == NULL) + return false; + } + else { + const size_t old_size = track->num_indices * sizeof(FLAC__StreamMetadata_CueSheet_Index); + const size_t new_size = new_num_indices * sizeof(FLAC__StreamMetadata_CueSheet_Index); + + /* overflow check */ + if (new_num_indices > UINT32_MAX / sizeof(FLAC__StreamMetadata_CueSheet_Index)) + return false; + + FLAC__ASSERT(track->num_indices > 0); + + if (new_size == 0) { + free(track->indices); + track->indices = 0; + } + else { + /* Leave track->indices untouched if realloc fails */ + FLAC__StreamMetadata_CueSheet_Index *tmpptr; + if ((tmpptr = realloc(track->indices, new_size)) == NULL) + return false; + track->indices = tmpptr; + } + + /* if growing, zero all the lengths/pointers of new elements */ + if (new_size > old_size) + memset(track->indices + track->num_indices, 0, new_size - old_size); + } + + track->num_indices = new_num_indices; + + cuesheet_calculate_length_(object); + return true; +} + +FLAC_API FLAC__bool FLAC__metadata_object_cuesheet_track_insert_index(FLAC__StreamMetadata *object, uint32_t track_num, uint32_t index_num, FLAC__StreamMetadata_CueSheet_Index indx) +{ + FLAC__StreamMetadata_CueSheet_Track *track; + + FLAC__ASSERT(object != NULL); + FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_CUESHEET); + FLAC__ASSERT(track_num < object->data.cue_sheet.num_tracks); + FLAC__ASSERT(index_num <= object->data.cue_sheet.tracks[track_num].num_indices); + + track = &object->data.cue_sheet.tracks[track_num]; + + if (!FLAC__metadata_object_cuesheet_track_resize_indices(object, track_num, track->num_indices+1)) + return false; + + /* move all indices >= index_num forward one space */ + memmove(&track->indices[index_num+1], &track->indices[index_num], sizeof(FLAC__StreamMetadata_CueSheet_Index)*(track->num_indices-1-index_num)); + + track->indices[index_num] = indx; + cuesheet_calculate_length_(object); + return true; +} + +FLAC_API FLAC__bool FLAC__metadata_object_cuesheet_track_insert_blank_index(FLAC__StreamMetadata *object, uint32_t track_num, uint32_t index_num) +{ + FLAC__StreamMetadata_CueSheet_Index indx; + memset(&indx, 0, sizeof(indx)); + return FLAC__metadata_object_cuesheet_track_insert_index(object, track_num, index_num, indx); +} + +FLAC_API FLAC__bool FLAC__metadata_object_cuesheet_track_delete_index(FLAC__StreamMetadata *object, uint32_t track_num, uint32_t index_num) +{ + FLAC__StreamMetadata_CueSheet_Track *track; + + FLAC__ASSERT(object != NULL); + FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_CUESHEET); + FLAC__ASSERT(track_num < object->data.cue_sheet.num_tracks); + FLAC__ASSERT(index_num < object->data.cue_sheet.tracks[track_num].num_indices); + + track = &object->data.cue_sheet.tracks[track_num]; + + /* move all indices > index_num backward one space */ + memmove(&track->indices[index_num], &track->indices[index_num+1], sizeof(FLAC__StreamMetadata_CueSheet_Index)*(track->num_indices-index_num-1)); + + FLAC__metadata_object_cuesheet_track_resize_indices(object, track_num, track->num_indices-1); + cuesheet_calculate_length_(object); + return true; +} + +FLAC_API FLAC__bool FLAC__metadata_object_cuesheet_resize_tracks(FLAC__StreamMetadata *object, uint32_t new_num_tracks) +{ + FLAC__ASSERT(object != NULL); + FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_CUESHEET); + + if (object->data.cue_sheet.tracks == NULL) { + FLAC__ASSERT(object->data.cue_sheet.num_tracks == 0); + if (new_num_tracks == 0) + return true; + else if ((object->data.cue_sheet.tracks = cuesheet_track_array_new_(new_num_tracks)) == NULL) + return false; + } + else { + const size_t old_size = object->data.cue_sheet.num_tracks * sizeof(FLAC__StreamMetadata_CueSheet_Track); + const size_t new_size = new_num_tracks * sizeof(FLAC__StreamMetadata_CueSheet_Track); + + /* overflow check */ + if (new_num_tracks > UINT32_MAX / sizeof(FLAC__StreamMetadata_CueSheet_Track)) + return false; + + FLAC__ASSERT(object->data.cue_sheet.num_tracks > 0); + + /* if shrinking, free the truncated entries */ + if (new_num_tracks < object->data.cue_sheet.num_tracks) { + uint32_t i; + for (i = new_num_tracks; i < object->data.cue_sheet.num_tracks; i++) + free(object->data.cue_sheet.tracks[i].indices); + } + + if (new_size == 0) { + free(object->data.cue_sheet.tracks); + object->data.cue_sheet.tracks = 0; + } + else { + /* Leave object->data.cue_sheet.tracks untouched if realloc fails */ + FLAC__StreamMetadata_CueSheet_Track *tmpptr; + if ((tmpptr = realloc(object->data.cue_sheet.tracks, new_size)) == NULL) + return false; + object->data.cue_sheet.tracks = tmpptr; + } + + /* if growing, zero all the lengths/pointers of new elements */ + if (new_size > old_size) + memset(object->data.cue_sheet.tracks + object->data.cue_sheet.num_tracks, 0, new_size - old_size); + } + + object->data.cue_sheet.num_tracks = new_num_tracks; + + cuesheet_calculate_length_(object); + return true; +} + +FLAC_API FLAC__bool FLAC__metadata_object_cuesheet_set_track(FLAC__StreamMetadata *object, uint32_t track_num, FLAC__StreamMetadata_CueSheet_Track *track, FLAC__bool copy) +{ + FLAC__ASSERT(object != NULL); + FLAC__ASSERT(track_num < object->data.cue_sheet.num_tracks); + + return cuesheet_set_track_(object, object->data.cue_sheet.tracks + track_num, track, copy); +} + +FLAC_API FLAC__bool FLAC__metadata_object_cuesheet_insert_track(FLAC__StreamMetadata *object, uint32_t track_num, FLAC__StreamMetadata_CueSheet_Track *track, FLAC__bool copy) +{ + FLAC__StreamMetadata_CueSheet *cs; + + FLAC__ASSERT(object != NULL); + FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_CUESHEET); + FLAC__ASSERT(track_num <= object->data.cue_sheet.num_tracks); + + cs = &object->data.cue_sheet; + + if (!FLAC__metadata_object_cuesheet_resize_tracks(object, cs->num_tracks+1)) + return false; + + /* move all tracks >= track_num forward one space */ + memmove(&cs->tracks[track_num+1], &cs->tracks[track_num], sizeof(FLAC__StreamMetadata_CueSheet_Track)*(cs->num_tracks-1-track_num)); + cs->tracks[track_num].num_indices = 0; + cs->tracks[track_num].indices = 0; + + return FLAC__metadata_object_cuesheet_set_track(object, track_num, track, copy); +} + +FLAC_API FLAC__bool FLAC__metadata_object_cuesheet_insert_blank_track(FLAC__StreamMetadata *object, uint32_t track_num) +{ + FLAC__StreamMetadata_CueSheet_Track track; + memset(&track, 0, sizeof(track)); + return FLAC__metadata_object_cuesheet_insert_track(object, track_num, &track, /*copy=*/false); +} + +FLAC_API FLAC__bool FLAC__metadata_object_cuesheet_delete_track(FLAC__StreamMetadata *object, uint32_t track_num) +{ + FLAC__StreamMetadata_CueSheet *cs; + + FLAC__ASSERT(object != NULL); + FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_CUESHEET); + FLAC__ASSERT(track_num < object->data.cue_sheet.num_tracks); + + cs = &object->data.cue_sheet; + + /* free the track at track_num */ + free(cs->tracks[track_num].indices); + + /* move all tracks > track_num backward one space */ + memmove(&cs->tracks[track_num], &cs->tracks[track_num+1], sizeof(FLAC__StreamMetadata_CueSheet_Track)*(cs->num_tracks-track_num-1)); + cs->tracks[cs->num_tracks-1].num_indices = 0; + cs->tracks[cs->num_tracks-1].indices = 0; + + return FLAC__metadata_object_cuesheet_resize_tracks(object, cs->num_tracks-1); +} + +FLAC_API FLAC__bool FLAC__metadata_object_cuesheet_is_legal(const FLAC__StreamMetadata *object, FLAC__bool check_cd_da_subset, const char **violation) +{ + FLAC__ASSERT(object != NULL); + FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_CUESHEET); + + return FLAC__format_cuesheet_is_legal(&object->data.cue_sheet, check_cd_da_subset, violation); +} + +static FLAC__uint64 get_index_01_offset_(const FLAC__StreamMetadata_CueSheet *cs, uint32_t track) +{ + if (track >= (cs->num_tracks-1) || cs->tracks[track].num_indices < 1) + return 0; + else if (cs->tracks[track].indices[0].number == 1) + return cs->tracks[track].indices[0].offset + cs->tracks[track].offset + cs->lead_in; + else if (cs->tracks[track].num_indices < 2) + return 0; + else if (cs->tracks[track].indices[1].number == 1) + return cs->tracks[track].indices[1].offset + cs->tracks[track].offset + cs->lead_in; + else + return 0; +} + +static FLAC__uint32 cddb_add_digits_(FLAC__uint32 x) +{ + FLAC__uint32 n = 0; + while (x) { + n += (x%10); + x /= 10; + } + return n; +} + +/*@@@@add to tests*/ +FLAC_API FLAC__uint32 FLAC__metadata_object_cuesheet_calculate_cddb_id(const FLAC__StreamMetadata *object) +{ + const FLAC__StreamMetadata_CueSheet *cs; + + FLAC__ASSERT(object != NULL); + FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_CUESHEET); + + cs = &object->data.cue_sheet; + + if (cs->num_tracks < 2) /* need at least one real track and the lead-out track */ + return 0; + + { + FLAC__uint32 i, length, sum = 0; + for (i = 0; i < (cs->num_tracks-1); i++) /* -1 to avoid counting the lead-out */ + sum += cddb_add_digits_((FLAC__uint32)(get_index_01_offset_(cs, i) / 44100)); + length = (FLAC__uint32)((cs->tracks[cs->num_tracks-1].offset+cs->lead_in) / 44100) - (FLAC__uint32)(get_index_01_offset_(cs, 0) / 44100); + + return (sum % 0xFF) << 24 | length << 8 | (FLAC__uint32)(cs->num_tracks-1); + } +} + +FLAC_API FLAC__bool FLAC__metadata_object_picture_set_mime_type(FLAC__StreamMetadata *object, char *mime_type, FLAC__bool copy) +{ + char *old; + size_t old_length, new_length; + + FLAC__ASSERT(object != NULL); + FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_PICTURE); + FLAC__ASSERT(mime_type != NULL); + + old = object->data.picture.mime_type; + old_length = old? strlen(old) : 0; + new_length = strlen(mime_type); + + /* do the copy first so that if we fail we leave the object untouched */ + if (copy) { + if (new_length >= SIZE_MAX) /* overflow check */ + return false; + if (!copy_bytes_((FLAC__byte**)(&object->data.picture.mime_type), (FLAC__byte*)mime_type, new_length+1)) + return false; + } + else { + object->data.picture.mime_type = mime_type; + } + + free(old); + + object->length -= old_length; + object->length += new_length; + return true; +} + +FLAC_API FLAC__bool FLAC__metadata_object_picture_set_description(FLAC__StreamMetadata *object, FLAC__byte *description, FLAC__bool copy) +{ + FLAC__byte *old; + size_t old_length, new_length; + + FLAC__ASSERT(object != NULL); + FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_PICTURE); + FLAC__ASSERT(description != NULL); + + old = object->data.picture.description; + old_length = old? strlen((const char *)old) : 0; + new_length = strlen((const char *)description); + + /* do the copy first so that if we fail we leave the object untouched */ + if (copy) { + if (new_length >= SIZE_MAX) /* overflow check */ + return false; + if (!copy_bytes_(&object->data.picture.description, description, new_length+1)) + return false; + } + else { + object->data.picture.description = description; + } + + free(old); + + object->length -= old_length; + object->length += new_length; + return true; +} + +FLAC_API FLAC__bool FLAC__metadata_object_picture_set_data(FLAC__StreamMetadata *object, FLAC__byte *data, FLAC__uint32 length, FLAC__bool copy) +{ + FLAC__byte *old; + + FLAC__ASSERT(object != NULL); + FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_PICTURE); + FLAC__ASSERT((data != NULL && length > 0) || (data == NULL && length == 0 && copy == false)); + + old = object->data.picture.data; + + /* do the copy first so that if we fail we leave the object untouched */ + if (copy) { + if (!copy_bytes_(&object->data.picture.data, data, length)) + return false; + } + else { + object->data.picture.data = data; + } + + free(old); + + object->length -= object->data.picture.data_length; + object->data.picture.data_length = length; + object->length += length; + return true; +} + +FLAC_API FLAC__bool FLAC__metadata_object_picture_is_legal(const FLAC__StreamMetadata *object, const char **violation) +{ + FLAC__ASSERT(object != NULL); + FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_PICTURE); + + return FLAC__format_picture_is_legal(&object->data.picture, violation); +} + +FLAC_API FLAC__byte * FLAC__metadata_object_get_raw(const FLAC__StreamMetadata *object) +{ + FLAC__BitWriter *bw; + const FLAC__byte * buffer; + FLAC__byte * output; + size_t bytes; + + FLAC__ASSERT(object != NULL); + + if((bw = FLAC__bitwriter_new()) == NULL) + return 0; + if(!FLAC__bitwriter_init(bw)) { + FLAC__bitwriter_delete(bw); + return 0; + } + if(!FLAC__add_metadata_block(object, bw, false)) { + FLAC__bitwriter_delete(bw); + return 0; + } + + if(!FLAC__bitwriter_get_buffer(bw, &buffer, &bytes)) { + FLAC__bitwriter_delete(bw); + return 0; + } + + /* Extra check whether length of bitwriter agrees with length of metadata block */ + if(bytes != (object->length+FLAC__STREAM_METADATA_HEADER_LENGTH)) { + FLAC__bitwriter_delete(bw); + return 0; + } + + output = safe_malloc_(bytes); + if(output == 0) { + FLAC__bitwriter_delete(bw); + return 0; + } + + memcpy(output,buffer,bytes); + FLAC__bitwriter_delete(bw); + return output; +} + +/* The following callbacks are for FLAC__metadata_object_set_raw */ + +static FLAC__StreamDecoderReadStatus read_callback_(const FLAC__StreamDecoder *decoder, FLAC__byte *buffer, size_t *bytes, void *client_data); +static FLAC__StreamDecoderWriteStatus write_callback_(const FLAC__StreamDecoder *decoder, const FLAC__Frame *frame, const FLAC__int32 * const buffer[], void *client_data); +static void metadata_callback_(const FLAC__StreamDecoder *decoder, const FLAC__StreamMetadata *metadata, void *client_data); +static void error_callback_(const FLAC__StreamDecoder *decoder, FLAC__StreamDecoderErrorStatus status, void *client_data); + +typedef struct { + FLAC__StreamMetadata *object; + FLAC__bool got_error; + FLAC__byte *buffer; + FLAC__int32 length; + FLAC__int32 tell; +} set_raw_client_data; + +FLAC_API FLAC__StreamMetadata * FLAC__metadata_object_set_raw(FLAC__byte *buffer, FLAC__uint32 length) +{ + set_raw_client_data cd; + FLAC__StreamDecoder * decoder; + + cd.buffer = buffer; + cd.length = length; + cd.got_error = false; + cd.object = 0; + cd.tell = -4; + + decoder = FLAC__stream_decoder_new(); + + if(0 == decoder) + return 0; + + FLAC__stream_decoder_set_md5_checking(decoder, false); + FLAC__stream_decoder_set_metadata_respond_all(decoder); + + if(FLAC__stream_decoder_init_stream(decoder, read_callback_, NULL, NULL, NULL, NULL, write_callback_, metadata_callback_, error_callback_, &cd) != FLAC__STREAM_DECODER_INIT_STATUS_OK || cd.got_error) { + (void)FLAC__stream_decoder_finish(decoder); + FLAC__stream_decoder_delete(decoder); + return 0; + } + + if((!FLAC__stream_decoder_process_until_end_of_metadata(decoder) && FLAC__stream_decoder_get_state(decoder) != FLAC__STREAM_DECODER_END_OF_STREAM) || cd.got_error) { + (void)FLAC__stream_decoder_finish(decoder); + FLAC__stream_decoder_delete(decoder); + if(0 != cd.object) + FLAC__metadata_object_delete(cd.object); + return 0; + } + + (void)FLAC__stream_decoder_finish(decoder); + FLAC__stream_decoder_delete(decoder); + + return cd.object; + +} + +FLAC__StreamDecoderReadStatus read_callback_(const FLAC__StreamDecoder *decoder, FLAC__byte *buffer, size_t *bytes, void *client_data) +{ + set_raw_client_data *cd = (set_raw_client_data *)client_data; + (void)decoder; + + if(cd->tell == -4) { + if(*bytes < 4) + return FLAC__STREAM_DECODER_READ_STATUS_ABORT; + buffer[0] = 'f'; + buffer[1] = 'L'; + buffer[2] = 'a'; + buffer[3] = 'C'; + *bytes = 4; + cd->tell = 0; + return FLAC__STREAM_DECODER_READ_STATUS_CONTINUE; + } + else if(cd->tell < 0) + return FLAC__STREAM_DECODER_READ_STATUS_ABORT; + else if(cd->tell == cd->length) { + *bytes = 0; + return FLAC__STREAM_DECODER_READ_STATUS_END_OF_STREAM; + } + else { + if((FLAC__int32)(*bytes) > (cd->length - cd->tell)) + *bytes = cd->length - cd->tell; + memcpy(buffer, cd->buffer+cd->tell, *bytes); + cd->tell += *bytes; + return FLAC__STREAM_DECODER_READ_STATUS_CONTINUE; + } +} + +FLAC__StreamDecoderWriteStatus write_callback_(const FLAC__StreamDecoder *decoder, const FLAC__Frame *frame, const FLAC__int32 * const buffer[], void *client_data) +{ + (void)decoder, (void)frame, (void)buffer, (void)client_data; + + return FLAC__STREAM_DECODER_WRITE_STATUS_CONTINUE; +} + +void metadata_callback_(const FLAC__StreamDecoder *decoder, const FLAC__StreamMetadata *metadata, void *client_data) +{ + set_raw_client_data *cd = (set_raw_client_data *)client_data; + (void)decoder; + + /* + * we assume we only get here when the one metadata block we were + * looking for was passed to us + */ + if(!cd->got_error && 0 == cd->object) { + if(0 == (cd->object = FLAC__metadata_object_clone(metadata))) + cd->got_error = true; + } +} + +void error_callback_(const FLAC__StreamDecoder *decoder, FLAC__StreamDecoderErrorStatus status, void *client_data) +{ + set_raw_client_data *cd = (set_raw_client_data *)client_data; + (void)decoder; + + if(status != FLAC__STREAM_DECODER_ERROR_STATUS_LOST_SYNC) + cd->got_error = true; +} diff --git a/src/libFLAC/ogg_decoder_aspect.c b/src/libFLAC/ogg_decoder_aspect.c new file mode 100644 index 0000000..58a2934 --- /dev/null +++ b/src/libFLAC/ogg_decoder_aspect.c @@ -0,0 +1,251 @@ +/* libFLAC - Free Lossless Audio Codec + * Copyright (C) 2002-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * - Neither the name of the Xiph.org Foundation nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include <string.h> /* for memcpy() */ +#include "FLAC/assert.h" +#include "private/ogg_decoder_aspect.h" +#include "private/ogg_mapping.h" +#include "private/macros.h" + + +/*********************************************************************** + * + * Public class methods + * + ***********************************************************************/ + +FLAC__bool FLAC__ogg_decoder_aspect_init(FLAC__OggDecoderAspect *aspect) +{ + /* we will determine the serial number later if necessary */ + if(ogg_stream_init(&aspect->stream_state, aspect->serial_number) != 0) + return false; + + if(ogg_sync_init(&aspect->sync_state) != 0) + return false; + + aspect->version_major = ~(0u); + aspect->version_minor = ~(0u); + + aspect->need_serial_number = aspect->use_first_serial_number; + + aspect->end_of_stream = false; + aspect->have_working_page = false; + + return true; +} + +void FLAC__ogg_decoder_aspect_finish(FLAC__OggDecoderAspect *aspect) +{ + (void)ogg_sync_clear(&aspect->sync_state); + (void)ogg_stream_clear(&aspect->stream_state); +} + +void FLAC__ogg_decoder_aspect_set_serial_number(FLAC__OggDecoderAspect *aspect, long value) +{ + aspect->use_first_serial_number = false; + aspect->serial_number = value; +} + +void FLAC__ogg_decoder_aspect_set_defaults(FLAC__OggDecoderAspect *aspect) +{ + aspect->use_first_serial_number = true; +} + +void FLAC__ogg_decoder_aspect_flush(FLAC__OggDecoderAspect *aspect) +{ + (void)ogg_stream_reset(&aspect->stream_state); + (void)ogg_sync_reset(&aspect->sync_state); + aspect->end_of_stream = false; + aspect->have_working_page = false; +} + +void FLAC__ogg_decoder_aspect_reset(FLAC__OggDecoderAspect *aspect) +{ + FLAC__ogg_decoder_aspect_flush(aspect); + + if(aspect->use_first_serial_number) + aspect->need_serial_number = true; +} + +FLAC__OggDecoderAspectReadStatus FLAC__ogg_decoder_aspect_read_callback_wrapper(FLAC__OggDecoderAspect *aspect, FLAC__byte buffer[], size_t *bytes, FLAC__OggDecoderAspectReadCallbackProxy read_callback, const FLAC__StreamDecoder *decoder, void *client_data) +{ + static const size_t OGG_BYTES_CHUNK = 8192; + const size_t bytes_requested = *bytes; + + /* + * The FLAC decoding API uses pull-based reads, whereas Ogg decoding + * is push-based. In libFLAC, when you ask to decode a frame, the + * decoder will eventually call the read callback to supply some data, + * but how much it asks for depends on how much free space it has in + * its internal buffer. It does not try to grow its internal buffer + * to accommodate a whole frame because then the internal buffer size + * could not be limited, which is necessary in embedded applications. + * + * Ogg however grows its internal buffer until a whole page is present; + * only then can you get decoded data out. So we can't just ask for + * the same number of bytes from Ogg, then pass what's decoded down to + * libFLAC. If what libFLAC is asking for will not contain a whole + * page, then we will get no data from ogg_sync_pageout(), and at the + * same time cannot just read more data from the client for the purpose + * of getting a whole decoded page because the decoded size might be + * larger than libFLAC's internal buffer. + * + * Instead, whenever this read callback wrapper is called, we will + * continually request data from the client until we have at least one + * page, and manage pages internally so that we can send pieces of + * pages down to libFLAC in such a way that we obey its size + * requirement. To limit the amount of callbacks, we will always try + * to read in enough pages to return the full number of bytes + * requested. + */ + *bytes = 0; + while (*bytes < bytes_requested && !aspect->end_of_stream) { + if (aspect->have_working_page) { + if (aspect->have_working_packet) { + size_t n = bytes_requested - *bytes; + if ((size_t)aspect->working_packet.bytes <= n) { + /* the rest of the packet will fit in the buffer */ + n = aspect->working_packet.bytes; + memcpy(buffer, aspect->working_packet.packet, n); + *bytes += n; + buffer += n; + aspect->have_working_packet = false; + } + else { + /* only n bytes of the packet will fit in the buffer */ + memcpy(buffer, aspect->working_packet.packet, n); + *bytes += n; + buffer += n; + aspect->working_packet.packet += n; + aspect->working_packet.bytes -= n; + } + } + else { + /* try and get another packet */ + const int ret = ogg_stream_packetout(&aspect->stream_state, &aspect->working_packet); + if (ret > 0) { + aspect->have_working_packet = true; + /* if it is the first header packet, check for magic and a supported Ogg FLAC mapping version */ + if (aspect->working_packet.bytes > 0 && aspect->working_packet.packet[0] == FLAC__OGG_MAPPING_FIRST_HEADER_PACKET_TYPE) { + const FLAC__byte *b = aspect->working_packet.packet; + const uint32_t header_length = + FLAC__OGG_MAPPING_PACKET_TYPE_LENGTH + + FLAC__OGG_MAPPING_MAGIC_LENGTH + + FLAC__OGG_MAPPING_VERSION_MAJOR_LENGTH + + FLAC__OGG_MAPPING_VERSION_MINOR_LENGTH + + FLAC__OGG_MAPPING_NUM_HEADERS_LENGTH; + if (aspect->working_packet.bytes < (long)header_length) + return FLAC__OGG_DECODER_ASPECT_READ_STATUS_NOT_FLAC; + b += FLAC__OGG_MAPPING_PACKET_TYPE_LENGTH; + if (memcmp(b, FLAC__OGG_MAPPING_MAGIC, FLAC__OGG_MAPPING_MAGIC_LENGTH)) + return FLAC__OGG_DECODER_ASPECT_READ_STATUS_NOT_FLAC; + b += FLAC__OGG_MAPPING_MAGIC_LENGTH; + aspect->version_major = (uint32_t)(*b); + b += FLAC__OGG_MAPPING_VERSION_MAJOR_LENGTH; + aspect->version_minor = (uint32_t)(*b); + if (aspect->version_major != 1) + return FLAC__OGG_DECODER_ASPECT_READ_STATUS_UNSUPPORTED_MAPPING_VERSION; + aspect->working_packet.packet += header_length; + aspect->working_packet.bytes -= header_length; + } + } + else if (ret == 0) { + aspect->have_working_page = false; + } + else { /* ret < 0 */ + /* lost sync, we'll leave the working page for the next call */ + return FLAC__OGG_DECODER_ASPECT_READ_STATUS_LOST_SYNC; + } + } + } + else { + /* try and get another page */ + const int ret = ogg_sync_pageout(&aspect->sync_state, &aspect->working_page); + if (ret > 0) { + /* got a page, grab the serial number if necessary */ + if(aspect->need_serial_number) { + aspect->stream_state.serialno = aspect->serial_number = ogg_page_serialno(&aspect->working_page); + aspect->need_serial_number = false; + } + if(ogg_stream_pagein(&aspect->stream_state, &aspect->working_page) == 0) { + aspect->have_working_page = true; + aspect->have_working_packet = false; + } + /* else do nothing, could be a page from another stream */ + } + else if (ret == 0) { + /* need more data */ + const size_t ogg_bytes_to_read = flac_max(bytes_requested - *bytes, OGG_BYTES_CHUNK); + char *oggbuf = ogg_sync_buffer(&aspect->sync_state, ogg_bytes_to_read); + + if(0 == oggbuf) { + return FLAC__OGG_DECODER_ASPECT_READ_STATUS_MEMORY_ALLOCATION_ERROR; + } + else { + size_t ogg_bytes_read = ogg_bytes_to_read; + + switch(read_callback(decoder, (FLAC__byte*)oggbuf, &ogg_bytes_read, client_data)) { + case FLAC__OGG_DECODER_ASPECT_READ_STATUS_OK: + break; + case FLAC__OGG_DECODER_ASPECT_READ_STATUS_END_OF_STREAM: + aspect->end_of_stream = true; + break; + case FLAC__OGG_DECODER_ASPECT_READ_STATUS_ABORT: + return FLAC__OGG_DECODER_ASPECT_READ_STATUS_ABORT; + default: + FLAC__ASSERT(0); + } + + if(ogg_sync_wrote(&aspect->sync_state, ogg_bytes_read) < 0) { + /* double protection; this will happen if the read callback returns more bytes than the max requested, which would overflow Ogg's internal buffer */ + FLAC__ASSERT(0); + return FLAC__OGG_DECODER_ASPECT_READ_STATUS_ERROR; + } + } + } + else { /* ret < 0 */ + /* lost sync, bail out */ + return FLAC__OGG_DECODER_ASPECT_READ_STATUS_LOST_SYNC; + } + } + } + + if (aspect->end_of_stream && *bytes == 0) { + return FLAC__OGG_DECODER_ASPECT_READ_STATUS_END_OF_STREAM; + } + + return FLAC__OGG_DECODER_ASPECT_READ_STATUS_OK; +} diff --git a/src/libFLAC/ogg_encoder_aspect.c b/src/libFLAC/ogg_encoder_aspect.c new file mode 100644 index 0000000..a88713b --- /dev/null +++ b/src/libFLAC/ogg_encoder_aspect.c @@ -0,0 +1,228 @@ +/* libFLAC - Free Lossless Audio Codec + * Copyright (C) 2002-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * - Neither the name of the Xiph.org Foundation nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include <string.h> /* for memset() */ +#include "FLAC/assert.h" +#include "private/ogg_encoder_aspect.h" +#include "private/ogg_mapping.h" + +static const FLAC__byte FLAC__OGG_MAPPING_VERSION_MAJOR = 1; +static const FLAC__byte FLAC__OGG_MAPPING_VERSION_MINOR = 0; + +/*********************************************************************** + * + * Public class methods + * + ***********************************************************************/ + +FLAC__bool FLAC__ogg_encoder_aspect_init(FLAC__OggEncoderAspect *aspect) +{ + /* we will determine the serial number later if necessary */ + if(ogg_stream_init(&aspect->stream_state, aspect->serial_number) != 0) + return false; + + aspect->seen_magic = false; + aspect->is_first_packet = true; + aspect->samples_written = 0; + + return true; +} + +void FLAC__ogg_encoder_aspect_finish(FLAC__OggEncoderAspect *aspect) +{ + (void)ogg_stream_clear(&aspect->stream_state); + /*@@@ what about the page? */ +} + +void FLAC__ogg_encoder_aspect_set_serial_number(FLAC__OggEncoderAspect *aspect, long value) +{ + aspect->serial_number = value; +} + +FLAC__bool FLAC__ogg_encoder_aspect_set_num_metadata(FLAC__OggEncoderAspect *aspect, uint32_t value) +{ + if(value < (1u << FLAC__OGG_MAPPING_NUM_HEADERS_LEN)) { + aspect->num_metadata = value; + return true; + } + else + return false; +} + +void FLAC__ogg_encoder_aspect_set_defaults(FLAC__OggEncoderAspect *aspect) +{ + aspect->serial_number = 0; + aspect->num_metadata = 0; +} + +/* + * The basic FLAC -> Ogg mapping goes like this: + * + * - 'fLaC' magic and STREAMINFO block get combined into the first + * packet. The packet is prefixed with + * + the one-byte packet type 0x7F + * + 'FLAC' magic + * + the 2 byte Ogg FLAC mapping version number + * + tne 2 byte big-endian # of header packets + * - The first packet is flushed to the first page. + * - Each subsequent metadata block goes into its own packet. + * - Each metadata packet is flushed to page (this is not required, + * the mapping only requires that a flush must occur after all + * metadata is written). + * - Each subsequent FLAC audio frame goes into its own packet. + * + * WATCHOUT: + * This depends on the behavior of FLAC__StreamEncoder that we get a + * separate write callback for the fLaC magic, and then separate write + * callbacks for each metadata block and audio frame. + */ +FLAC__StreamEncoderWriteStatus FLAC__ogg_encoder_aspect_write_callback_wrapper(FLAC__OggEncoderAspect *aspect, const FLAC__byte buffer[], size_t bytes, uint32_t samples, uint32_t current_frame, FLAC__bool is_last_block, FLAC__OggEncoderAspectWriteCallbackProxy write_callback, void *encoder, void *client_data) +{ + /* WATCHOUT: + * This depends on the behavior of FLAC__StreamEncoder that 'samples' + * will be 0 for metadata writes. + */ + const FLAC__bool is_metadata = (samples == 0); + + /* + * Treat fLaC magic packet specially. We will note when we see it, then + * wait until we get the STREAMINFO and prepend it in that packet + */ + if(aspect->seen_magic) { + ogg_packet packet; + FLAC__byte synthetic_first_packet_body[ + FLAC__OGG_MAPPING_PACKET_TYPE_LENGTH + + FLAC__OGG_MAPPING_MAGIC_LENGTH + + FLAC__OGG_MAPPING_VERSION_MAJOR_LENGTH + + FLAC__OGG_MAPPING_VERSION_MINOR_LENGTH + + FLAC__OGG_MAPPING_NUM_HEADERS_LENGTH + + FLAC__STREAM_SYNC_LENGTH + + FLAC__STREAM_METADATA_HEADER_LENGTH + + FLAC__STREAM_METADATA_STREAMINFO_LENGTH + ]; + + memset(&packet, 0, sizeof(packet)); + packet.granulepos = aspect->samples_written + samples; + + if(aspect->is_first_packet) { + FLAC__byte *b = synthetic_first_packet_body; + if(bytes != FLAC__STREAM_METADATA_HEADER_LENGTH + FLAC__STREAM_METADATA_STREAMINFO_LENGTH) { + /* + * If we get here, our assumption about the way write callbacks happen + * (explained above) is wrong + */ + FLAC__ASSERT(0); + return FLAC__STREAM_ENCODER_WRITE_STATUS_FATAL_ERROR; + } + /* add first header packet type */ + *b = FLAC__OGG_MAPPING_FIRST_HEADER_PACKET_TYPE; + b += FLAC__OGG_MAPPING_PACKET_TYPE_LENGTH; + /* add 'FLAC' mapping magic */ + memcpy(b, FLAC__OGG_MAPPING_MAGIC, FLAC__OGG_MAPPING_MAGIC_LENGTH); + b += FLAC__OGG_MAPPING_MAGIC_LENGTH; + /* add Ogg FLAC mapping major version number */ + memcpy(b, &FLAC__OGG_MAPPING_VERSION_MAJOR, FLAC__OGG_MAPPING_VERSION_MAJOR_LENGTH); + b += FLAC__OGG_MAPPING_VERSION_MAJOR_LENGTH; + /* add Ogg FLAC mapping minor version number */ + memcpy(b, &FLAC__OGG_MAPPING_VERSION_MINOR, FLAC__OGG_MAPPING_VERSION_MINOR_LENGTH); + b += FLAC__OGG_MAPPING_VERSION_MINOR_LENGTH; + /* add number of header packets */ + *b = (FLAC__byte)(aspect->num_metadata >> 8); + b++; + *b = (FLAC__byte)(aspect->num_metadata); + b++; + /* add native FLAC 'fLaC' magic */ + memcpy(b, FLAC__STREAM_SYNC_STRING, FLAC__STREAM_SYNC_LENGTH); + b += FLAC__STREAM_SYNC_LENGTH; + /* add STREAMINFO */ + memcpy(b, buffer, bytes); + FLAC__ASSERT(b + bytes - synthetic_first_packet_body == sizeof(synthetic_first_packet_body)); + packet.packet = (uint8_t *)synthetic_first_packet_body; + packet.bytes = sizeof(synthetic_first_packet_body); + + packet.b_o_s = 1; + aspect->is_first_packet = false; + } + else { + packet.packet = (uint8_t *)buffer; + packet.bytes = bytes; + } + + if(is_last_block) { + /* we used to check: + * FLAC__ASSERT(total_samples_estimate == 0 || total_samples_estimate == aspect->samples_written + samples); + * but it's really not useful since total_samples_estimate is an estimate and can be inexact + */ + packet.e_o_s = 1; + } + + if(ogg_stream_packetin(&aspect->stream_state, &packet) != 0) + return FLAC__STREAM_ENCODER_WRITE_STATUS_FATAL_ERROR; + + /*@@@ can't figure out a way to pass a useful number for 'samples' to the write_callback, so we'll just pass 0 */ + if(is_metadata) { + while(ogg_stream_flush(&aspect->stream_state, &aspect->page) != 0) { + if(write_callback(encoder, aspect->page.header, aspect->page.header_len, 0, current_frame, client_data) != FLAC__STREAM_ENCODER_WRITE_STATUS_OK) + return FLAC__STREAM_ENCODER_WRITE_STATUS_FATAL_ERROR; + if(write_callback(encoder, aspect->page.body, aspect->page.body_len, 0, current_frame, client_data) != FLAC__STREAM_ENCODER_WRITE_STATUS_OK) + return FLAC__STREAM_ENCODER_WRITE_STATUS_FATAL_ERROR; + } + } + else { + while(ogg_stream_pageout(&aspect->stream_state, &aspect->page) != 0) { + if(write_callback(encoder, aspect->page.header, aspect->page.header_len, 0, current_frame, client_data) != FLAC__STREAM_ENCODER_WRITE_STATUS_OK) + return FLAC__STREAM_ENCODER_WRITE_STATUS_FATAL_ERROR; + if(write_callback(encoder, aspect->page.body, aspect->page.body_len, 0, current_frame, client_data) != FLAC__STREAM_ENCODER_WRITE_STATUS_OK) + return FLAC__STREAM_ENCODER_WRITE_STATUS_FATAL_ERROR; + } + } + } + else if(is_metadata && current_frame == 0 && samples == 0 && bytes == 4 && 0 == memcmp(buffer, FLAC__STREAM_SYNC_STRING, sizeof(FLAC__STREAM_SYNC_STRING))) { + aspect->seen_magic = true; + } + else { + /* + * If we get here, our assumption about the way write callbacks happen + * explained above is wrong + */ + FLAC__ASSERT(0); + return FLAC__STREAM_ENCODER_WRITE_STATUS_FATAL_ERROR; + } + + aspect->samples_written += samples; + + return FLAC__STREAM_ENCODER_WRITE_STATUS_OK; +} diff --git a/src/libFLAC/ogg_helper.c b/src/libFLAC/ogg_helper.c new file mode 100644 index 0000000..a4be34d --- /dev/null +++ b/src/libFLAC/ogg_helper.c @@ -0,0 +1,210 @@ +/* libFLAC - Free Lossless Audio Codec + * Copyright (C) 2004-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * - Neither the name of the Xiph.org Foundation nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include <stdlib.h> /* for malloc() */ +#include <string.h> /* for memcmp(), memcpy() */ +#include "FLAC/assert.h" +#include "share/alloc.h" +#include "private/ogg_helper.h" +#include "protected/stream_encoder.h" + + +static FLAC__bool full_read_(FLAC__StreamEncoder *encoder, FLAC__byte *buffer, size_t bytes, FLAC__StreamEncoderReadCallback read_callback, void *client_data) +{ + while(bytes > 0) { + size_t bytes_read = bytes; + switch(read_callback(encoder, buffer, &bytes_read, client_data)) { + case FLAC__STREAM_ENCODER_READ_STATUS_CONTINUE: + bytes -= bytes_read; + buffer += bytes_read; + break; + case FLAC__STREAM_ENCODER_READ_STATUS_END_OF_STREAM: + if(bytes_read == 0) { + encoder->protected_->state = FLAC__STREAM_ENCODER_OGG_ERROR; + return false; + } + bytes -= bytes_read; + buffer += bytes_read; + break; + case FLAC__STREAM_ENCODER_READ_STATUS_ABORT: + encoder->protected_->state = FLAC__STREAM_ENCODER_CLIENT_ERROR; + return false; + case FLAC__STREAM_ENCODER_READ_STATUS_UNSUPPORTED: + return false; + default: + /* double protection: */ + FLAC__ASSERT(0); + encoder->protected_->state = FLAC__STREAM_ENCODER_CLIENT_ERROR; + return false; + } + } + + return true; +} + +void simple_ogg_page__init(ogg_page *page) +{ + page->header = 0; + page->header_len = 0; + page->body = 0; + page->body_len = 0; +} + +void simple_ogg_page__clear(ogg_page *page) +{ + if(page->header) + free(page->header); + if(page->body) + free(page->body); + simple_ogg_page__init(page); +} + +FLAC__bool simple_ogg_page__get_at(FLAC__StreamEncoder *encoder, FLAC__uint64 position, ogg_page *page, FLAC__StreamEncoderSeekCallback seek_callback, FLAC__StreamEncoderReadCallback read_callback, void *client_data) +{ + static const uint32_t OGG_HEADER_FIXED_PORTION_LEN = 27; + static const uint32_t OGG_MAX_HEADER_LEN = 27/*OGG_HEADER_FIXED_PORTION_LEN*/ + 255; + FLAC__byte crc[4]; + FLAC__StreamEncoderSeekStatus seek_status; + + FLAC__ASSERT(page->header == 0); + FLAC__ASSERT(page->header_len == 0); + FLAC__ASSERT(page->body == 0); + FLAC__ASSERT(page->body_len == 0); + + /* move the stream pointer to the supposed beginning of the page */ + if(0 == seek_callback) + return false; + if((seek_status = seek_callback((FLAC__StreamEncoder*)encoder, position, client_data)) != FLAC__STREAM_ENCODER_SEEK_STATUS_OK) { + if(seek_status == FLAC__STREAM_ENCODER_SEEK_STATUS_ERROR) + encoder->protected_->state = FLAC__STREAM_ENCODER_CLIENT_ERROR; + return false; + } + + /* allocate space for the page header */ + if(0 == (page->header = safe_malloc_(OGG_MAX_HEADER_LEN))) { + encoder->protected_->state = FLAC__STREAM_ENCODER_MEMORY_ALLOCATION_ERROR; + return false; + } + + /* read in the fixed part of the page header (up to but not including + * the segment table */ + if(!full_read_(encoder, page->header, OGG_HEADER_FIXED_PORTION_LEN, read_callback, client_data)) + return false; + + page->header_len = OGG_HEADER_FIXED_PORTION_LEN + page->header[26]; + + /* check to see if it's a correct, "simple" page (one packet only) */ + if( + memcmp(page->header, "OggS", 4) || /* doesn't start with OggS */ + (page->header[5] & 0x01) || /* continued packet */ + memcmp(page->header+6, "\0\0\0\0\0\0\0\0", 8) || /* granulepos is non-zero */ + page->header[26] == 0 /* packet is 0-size */ + ) { + encoder->protected_->state = FLAC__STREAM_ENCODER_OGG_ERROR; + return false; + } + + /* read in the segment table */ + if(!full_read_(encoder, page->header + OGG_HEADER_FIXED_PORTION_LEN, page->header[26], read_callback, client_data)) + return false; + + { + uint32_t i; + + /* check to see that it specifies a single packet */ + for(i = 0; i < (uint32_t)page->header[26] - 1; i++) { + if(page->header[i + OGG_HEADER_FIXED_PORTION_LEN] != 255) { + encoder->protected_->state = FLAC__STREAM_ENCODER_OGG_ERROR; + return false; + } + } + + page->body_len = 255 * i + page->header[i + OGG_HEADER_FIXED_PORTION_LEN]; + } + + /* allocate space for the page body */ + if(0 == (page->body = safe_malloc_(page->body_len))) { + encoder->protected_->state = FLAC__STREAM_ENCODER_MEMORY_ALLOCATION_ERROR; + return false; + } + + /* read in the page body */ + if(!full_read_(encoder, page->body, page->body_len, read_callback, client_data)) + return false; + + /* check the CRC */ + memcpy(crc, page->header+22, 4); + ogg_page_checksum_set(page); + if(memcmp(crc, page->header+22, 4)) { + encoder->protected_->state = FLAC__STREAM_ENCODER_OGG_ERROR; + return false; + } + + return true; +} + +FLAC__bool simple_ogg_page__set_at(FLAC__StreamEncoder *encoder, FLAC__uint64 position, ogg_page *page, FLAC__StreamEncoderSeekCallback seek_callback, FLAC__StreamEncoderWriteCallback write_callback, void *client_data) +{ + FLAC__StreamEncoderSeekStatus seek_status; + + FLAC__ASSERT(page->header != 0); + FLAC__ASSERT(page->header_len != 0); + FLAC__ASSERT(page->body != 0); + FLAC__ASSERT(page->body_len != 0); + + /* move the stream pointer to the supposed beginning of the page */ + if(0 == seek_callback) + return false; + if((seek_status = seek_callback((FLAC__StreamEncoder*)encoder, position, client_data)) != FLAC__STREAM_ENCODER_SEEK_STATUS_OK) { + if(seek_status == FLAC__STREAM_ENCODER_SEEK_STATUS_ERROR) + encoder->protected_->state = FLAC__STREAM_ENCODER_CLIENT_ERROR; + return false; + } + + ogg_page_checksum_set(page); + + /* re-write the page */ + if(write_callback((FLAC__StreamEncoder*)encoder, page->header, page->header_len, 0, 0, client_data) != FLAC__STREAM_ENCODER_WRITE_STATUS_OK) { + encoder->protected_->state = FLAC__STREAM_ENCODER_CLIENT_ERROR; + return false; + } + if(write_callback((FLAC__StreamEncoder*)encoder, page->body, page->body_len, 0, 0, client_data) != FLAC__STREAM_ENCODER_WRITE_STATUS_OK) { + encoder->protected_->state = FLAC__STREAM_ENCODER_CLIENT_ERROR; + return false; + } + + return true; +} diff --git a/src/libFLAC/ogg_mapping.c b/src/libFLAC/ogg_mapping.c new file mode 100644 index 0000000..756c716 --- /dev/null +++ b/src/libFLAC/ogg_mapping.c @@ -0,0 +1,48 @@ +/* libFLAC - Free Lossless Audio Codec + * Copyright (C) 2004-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * - Neither the name of the Xiph.org Foundation nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include "private/ogg_mapping.h" + +const uint32_t FLAC__OGG_MAPPING_PACKET_TYPE_LEN = 8; /* bits */ + +const FLAC__byte FLAC__OGG_MAPPING_FIRST_HEADER_PACKET_TYPE = 0x7f; + +const FLAC__byte * const FLAC__OGG_MAPPING_MAGIC = (const FLAC__byte * const)"FLAC"; + +const uint32_t FLAC__OGG_MAPPING_VERSION_MAJOR_LEN = 8; /* bits */ +const uint32_t FLAC__OGG_MAPPING_VERSION_MINOR_LEN = 8; /* bits */ + +const uint32_t FLAC__OGG_MAPPING_NUM_HEADERS_LEN = 16; /* bits */ diff --git a/src/libFLAC/stream_decoder.c b/src/libFLAC/stream_decoder.c new file mode 100644 index 0000000..18d8dd3 --- /dev/null +++ b/src/libFLAC/stream_decoder.c @@ -0,0 +1,3731 @@ +/* libFLAC - Free Lossless Audio Codec library + * Copyright (C) 2000-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * - Neither the name of the Xiph.org Foundation nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include <stdio.h> +#include <stdlib.h> /* for malloc() */ +#include <string.h> /* for memset/memcpy() */ +#include <sys/types.h> /* for off_t */ +#include <sys/stat.h> /* for stat() */ +#include "share/compat.h" +#include "FLAC/assert.h" +#include "share/alloc.h" +#include "protected/stream_decoder.h" +#include "private/bitreader.h" +#include "private/bitmath.h" +#include "private/cpu.h" +#include "private/crc.h" +#include "private/fixed.h" +#include "private/format.h" +#include "private/lpc.h" +#include "private/md5.h" +#include "private/memory.h" +#include "private/macros.h" + + +/* technically this should be in an "export.c" but this is convenient enough */ +FLAC_API int FLAC_API_SUPPORTS_OGG_FLAC = FLAC__HAS_OGG; + + +/*********************************************************************** + * + * Private static data + * + ***********************************************************************/ + +static const FLAC__byte ID3V2_TAG_[3] = { 'I', 'D', '3' }; + +/*********************************************************************** + * + * Private class method prototypes + * + ***********************************************************************/ + +static void set_defaults_(FLAC__StreamDecoder *decoder); +static FILE *get_binary_stdin_(void); +static FLAC__bool allocate_output_(FLAC__StreamDecoder *decoder, uint32_t size, uint32_t channels, uint32_t bps); +static FLAC__bool has_id_filtered_(FLAC__StreamDecoder *decoder, FLAC__byte *id); +static FLAC__bool find_metadata_(FLAC__StreamDecoder *decoder); +static FLAC__bool read_metadata_(FLAC__StreamDecoder *decoder); +static FLAC__bool read_metadata_streaminfo_(FLAC__StreamDecoder *decoder, FLAC__bool is_last, uint32_t length); +static FLAC__bool read_metadata_seektable_(FLAC__StreamDecoder *decoder, FLAC__bool is_last, uint32_t length); +static FLAC__bool read_metadata_vorbiscomment_(FLAC__StreamDecoder *decoder, FLAC__StreamMetadata_VorbisComment *obj, uint32_t length); +static FLAC__bool read_metadata_cuesheet_(FLAC__StreamDecoder *decoder, FLAC__StreamMetadata_CueSheet *obj); +static FLAC__bool read_metadata_picture_(FLAC__StreamDecoder *decoder, FLAC__StreamMetadata_Picture *obj); +static FLAC__bool skip_id3v2_tag_(FLAC__StreamDecoder *decoder); +static FLAC__bool frame_sync_(FLAC__StreamDecoder *decoder); +static FLAC__bool read_frame_(FLAC__StreamDecoder *decoder, FLAC__bool *got_a_frame, FLAC__bool do_full_decode); +static FLAC__bool read_frame_header_(FLAC__StreamDecoder *decoder); +static FLAC__bool read_subframe_(FLAC__StreamDecoder *decoder, uint32_t channel, uint32_t bps, FLAC__bool do_full_decode); +static FLAC__bool read_subframe_constant_(FLAC__StreamDecoder *decoder, uint32_t channel, uint32_t bps, FLAC__bool do_full_decode); +static FLAC__bool read_subframe_fixed_(FLAC__StreamDecoder *decoder, uint32_t channel, uint32_t bps, const uint32_t order, FLAC__bool do_full_decode); +static FLAC__bool read_subframe_lpc_(FLAC__StreamDecoder *decoder, uint32_t channel, uint32_t bps, const uint32_t order, FLAC__bool do_full_decode); +static FLAC__bool read_subframe_verbatim_(FLAC__StreamDecoder *decoder, uint32_t channel, uint32_t bps, FLAC__bool do_full_decode); +static FLAC__bool read_residual_partitioned_rice_(FLAC__StreamDecoder *decoder, uint32_t predictor_order, uint32_t partition_order, FLAC__EntropyCodingMethod_PartitionedRiceContents *partitioned_rice_contents, FLAC__int32 *residual, FLAC__bool is_extended); +static FLAC__bool read_zero_padding_(FLAC__StreamDecoder *decoder); +static void undo_channel_coding(FLAC__StreamDecoder *decoder); +static FLAC__bool read_callback_(FLAC__byte buffer[], size_t *bytes, void *client_data); +#if FLAC__HAS_OGG +static FLAC__StreamDecoderReadStatus read_callback_ogg_aspect_(const FLAC__StreamDecoder *decoder, FLAC__byte buffer[], size_t *bytes); +static FLAC__OggDecoderAspectReadStatus read_callback_proxy_(const void *void_decoder, FLAC__byte buffer[], size_t *bytes, void *client_data); +#endif +static FLAC__StreamDecoderWriteStatus write_audio_frame_to_client_(FLAC__StreamDecoder *decoder, const FLAC__Frame *frame, const FLAC__int32 * const buffer[]); +static void send_error_to_client_(const FLAC__StreamDecoder *decoder, FLAC__StreamDecoderErrorStatus status); +static FLAC__bool seek_to_absolute_sample_(FLAC__StreamDecoder *decoder, FLAC__uint64 stream_length, FLAC__uint64 target_sample); +#if FLAC__HAS_OGG +static FLAC__bool seek_to_absolute_sample_ogg_(FLAC__StreamDecoder *decoder, FLAC__uint64 stream_length, FLAC__uint64 target_sample); +#endif +static FLAC__StreamDecoderReadStatus file_read_callback_(const FLAC__StreamDecoder *decoder, FLAC__byte buffer[], size_t *bytes, void *client_data); +static FLAC__StreamDecoderSeekStatus file_seek_callback_(const FLAC__StreamDecoder *decoder, FLAC__uint64 absolute_byte_offset, void *client_data); +static FLAC__StreamDecoderTellStatus file_tell_callback_(const FLAC__StreamDecoder *decoder, FLAC__uint64 *absolute_byte_offset, void *client_data); +static FLAC__StreamDecoderLengthStatus file_length_callback_(const FLAC__StreamDecoder *decoder, FLAC__uint64 *stream_length, void *client_data); +static FLAC__bool file_eof_callback_(const FLAC__StreamDecoder *decoder, void *client_data); + +/*********************************************************************** + * + * Private class data + * + ***********************************************************************/ + +typedef struct FLAC__StreamDecoderPrivate { + FLAC__bool is_ogg; + FLAC__StreamDecoderReadCallback read_callback; + FLAC__StreamDecoderSeekCallback seek_callback; + FLAC__StreamDecoderTellCallback tell_callback; + FLAC__StreamDecoderLengthCallback length_callback; + FLAC__StreamDecoderEofCallback eof_callback; + FLAC__StreamDecoderWriteCallback write_callback; + FLAC__StreamDecoderMetadataCallback metadata_callback; + FLAC__StreamDecoderErrorCallback error_callback; + void *client_data; + FILE *file; /* only used if FLAC__stream_decoder_init_file()/FLAC__stream_decoder_init_file() called, else NULL */ + FLAC__BitReader *input; + FLAC__int32 *output[FLAC__MAX_CHANNELS]; + FLAC__int32 *residual[FLAC__MAX_CHANNELS]; /* WATCHOUT: these are the aligned pointers; the real pointers that should be free()'d are residual_unaligned[] below */ + FLAC__int64 *side_subframe; + FLAC__bool side_subframe_in_use; + FLAC__EntropyCodingMethod_PartitionedRiceContents partitioned_rice_contents[FLAC__MAX_CHANNELS]; + uint32_t output_capacity, output_channels; + FLAC__uint32 fixed_block_size, next_fixed_block_size; + FLAC__uint64 samples_decoded; + FLAC__bool has_stream_info, has_seek_table; + FLAC__StreamMetadata stream_info; + FLAC__StreamMetadata seek_table; + FLAC__bool metadata_filter[128]; /* MAGIC number 128 == total number of metadata block types == 1 << 7 */ + FLAC__byte *metadata_filter_ids; + size_t metadata_filter_ids_count, metadata_filter_ids_capacity; /* units for both are IDs, not bytes */ + FLAC__Frame frame; + FLAC__bool cached; /* true if there is a byte in lookahead */ + FLAC__CPUInfo cpuinfo; + FLAC__byte header_warmup[2]; /* contains the sync code and reserved bits */ + FLAC__byte lookahead; /* temp storage when we need to look ahead one byte in the stream */ + /* unaligned (original) pointers to allocated data */ + FLAC__int32 *residual_unaligned[FLAC__MAX_CHANNELS]; + FLAC__bool do_md5_checking; /* initially gets protected_->md5_checking but is turned off after a seek or if the metadata has a zero MD5 */ + FLAC__bool internal_reset_hack; /* used only during init() so we can call reset to set up the decoder without rewinding the input */ + FLAC__bool is_seeking; + FLAC__MD5Context md5context; + FLAC__byte computed_md5sum[16]; /* this is the sum we computed from the decoded data */ + /* (the rest of these are only used for seeking) */ + FLAC__Frame last_frame; /* holds the info of the last frame we decoded or seeked to */ + FLAC__bool last_frame_is_set; + FLAC__uint64 first_frame_offset; /* hint to the seek routine of where in the stream the first audio frame starts */ + FLAC__uint64 last_seen_framesync; /* if tell callback works, the location of the last seen frame sync code, to rewind to if needed */ + FLAC__uint64 target_sample; + uint32_t unparseable_frame_count; /* used to tell whether we're decoding a future version of FLAC or just got a bad sync */ + FLAC__bool got_a_frame; /* hack needed in Ogg FLAC seek routine to check when process_single() actually writes a frame */ + FLAC__bool (*local_bitreader_read_rice_signed_block)(FLAC__BitReader *br, int vals[], uint32_t nvals, uint32_t parameter); +} FLAC__StreamDecoderPrivate; + +/*********************************************************************** + * + * Public static class data + * + ***********************************************************************/ + +FLAC_API const char * const FLAC__StreamDecoderStateString[] = { + "FLAC__STREAM_DECODER_SEARCH_FOR_METADATA", + "FLAC__STREAM_DECODER_READ_METADATA", + "FLAC__STREAM_DECODER_SEARCH_FOR_FRAME_SYNC", + "FLAC__STREAM_DECODER_READ_FRAME", + "FLAC__STREAM_DECODER_END_OF_STREAM", + "FLAC__STREAM_DECODER_OGG_ERROR", + "FLAC__STREAM_DECODER_SEEK_ERROR", + "FLAC__STREAM_DECODER_ABORTED", + "FLAC__STREAM_DECODER_MEMORY_ALLOCATION_ERROR", + "FLAC__STREAM_DECODER_UNINITIALIZED" +}; + +FLAC_API const char * const FLAC__StreamDecoderInitStatusString[] = { + "FLAC__STREAM_DECODER_INIT_STATUS_OK", + "FLAC__STREAM_DECODER_INIT_STATUS_UNSUPPORTED_CONTAINER", + "FLAC__STREAM_DECODER_INIT_STATUS_INVALID_CALLBACKS", + "FLAC__STREAM_DECODER_INIT_STATUS_MEMORY_ALLOCATION_ERROR", + "FLAC__STREAM_DECODER_INIT_STATUS_ERROR_OPENING_FILE", + "FLAC__STREAM_DECODER_INIT_STATUS_ALREADY_INITIALIZED" +}; + +FLAC_API const char * const FLAC__StreamDecoderReadStatusString[] = { + "FLAC__STREAM_DECODER_READ_STATUS_CONTINUE", + "FLAC__STREAM_DECODER_READ_STATUS_END_OF_STREAM", + "FLAC__STREAM_DECODER_READ_STATUS_ABORT" +}; + +FLAC_API const char * const FLAC__StreamDecoderSeekStatusString[] = { + "FLAC__STREAM_DECODER_SEEK_STATUS_OK", + "FLAC__STREAM_DECODER_SEEK_STATUS_ERROR", + "FLAC__STREAM_DECODER_SEEK_STATUS_UNSUPPORTED" +}; + +FLAC_API const char * const FLAC__StreamDecoderTellStatusString[] = { + "FLAC__STREAM_DECODER_TELL_STATUS_OK", + "FLAC__STREAM_DECODER_TELL_STATUS_ERROR", + "FLAC__STREAM_DECODER_TELL_STATUS_UNSUPPORTED" +}; + +FLAC_API const char * const FLAC__StreamDecoderLengthStatusString[] = { + "FLAC__STREAM_DECODER_LENGTH_STATUS_OK", + "FLAC__STREAM_DECODER_LENGTH_STATUS_ERROR", + "FLAC__STREAM_DECODER_LENGTH_STATUS_UNSUPPORTED" +}; + +FLAC_API const char * const FLAC__StreamDecoderWriteStatusString[] = { + "FLAC__STREAM_DECODER_WRITE_STATUS_CONTINUE", + "FLAC__STREAM_DECODER_WRITE_STATUS_ABORT" +}; + +FLAC_API const char * const FLAC__StreamDecoderErrorStatusString[] = { + "FLAC__STREAM_DECODER_ERROR_STATUS_LOST_SYNC", + "FLAC__STREAM_DECODER_ERROR_STATUS_BAD_HEADER", + "FLAC__STREAM_DECODER_ERROR_STATUS_FRAME_CRC_MISMATCH", + "FLAC__STREAM_DECODER_ERROR_STATUS_UNPARSEABLE_STREAM", + "FLAC__STREAM_DECODER_ERROR_STATUS_BAD_METADATA" +}; + +/*********************************************************************** + * + * Class constructor/destructor + * + ***********************************************************************/ +FLAC_API FLAC__StreamDecoder *FLAC__stream_decoder_new(void) +{ + FLAC__StreamDecoder *decoder; + uint32_t i; + + FLAC__ASSERT(sizeof(int) >= 4); /* we want to die right away if this is not true */ + + decoder = calloc(1, sizeof(FLAC__StreamDecoder)); + if(decoder == 0) { + return 0; + } + + decoder->protected_ = calloc(1, sizeof(FLAC__StreamDecoderProtected)); + if(decoder->protected_ == 0) { + free(decoder); + return 0; + } + + decoder->private_ = calloc(1, sizeof(FLAC__StreamDecoderPrivate)); + if(decoder->private_ == 0) { + free(decoder->protected_); + free(decoder); + return 0; + } + + decoder->private_->input = FLAC__bitreader_new(); + if(decoder->private_->input == 0) { + free(decoder->private_); + free(decoder->protected_); + free(decoder); + return 0; + } + + decoder->private_->metadata_filter_ids_capacity = 16; + if(0 == (decoder->private_->metadata_filter_ids = malloc((FLAC__STREAM_METADATA_APPLICATION_ID_LEN/8) * decoder->private_->metadata_filter_ids_capacity))) { + FLAC__bitreader_delete(decoder->private_->input); + free(decoder->private_); + free(decoder->protected_); + free(decoder); + return 0; + } + + for(i = 0; i < FLAC__MAX_CHANNELS; i++) { + decoder->private_->output[i] = 0; + decoder->private_->residual_unaligned[i] = decoder->private_->residual[i] = 0; + } + + decoder->private_->side_subframe = 0; + + decoder->private_->output_capacity = 0; + decoder->private_->output_channels = 0; + decoder->private_->has_seek_table = false; + + for(i = 0; i < FLAC__MAX_CHANNELS; i++) + FLAC__format_entropy_coding_method_partitioned_rice_contents_init(&decoder->private_->partitioned_rice_contents[i]); + + decoder->private_->file = 0; + + set_defaults_(decoder); + + decoder->protected_->state = FLAC__STREAM_DECODER_UNINITIALIZED; + + return decoder; +} + +FLAC_API void FLAC__stream_decoder_delete(FLAC__StreamDecoder *decoder) +{ + uint32_t i; + + if (decoder == NULL) + return ; + + FLAC__ASSERT(0 != decoder->protected_); + FLAC__ASSERT(0 != decoder->private_); + FLAC__ASSERT(0 != decoder->private_->input); + + (void)FLAC__stream_decoder_finish(decoder); + + if(0 != decoder->private_->metadata_filter_ids) + free(decoder->private_->metadata_filter_ids); + + FLAC__bitreader_delete(decoder->private_->input); + + for(i = 0; i < FLAC__MAX_CHANNELS; i++) + FLAC__format_entropy_coding_method_partitioned_rice_contents_clear(&decoder->private_->partitioned_rice_contents[i]); + + free(decoder->private_); + free(decoder->protected_); + free(decoder); +} + +/*********************************************************************** + * + * Public class methods + * + ***********************************************************************/ + +static FLAC__StreamDecoderInitStatus init_stream_internal_( + FLAC__StreamDecoder *decoder, + FLAC__StreamDecoderReadCallback read_callback, + FLAC__StreamDecoderSeekCallback seek_callback, + FLAC__StreamDecoderTellCallback tell_callback, + FLAC__StreamDecoderLengthCallback length_callback, + FLAC__StreamDecoderEofCallback eof_callback, + FLAC__StreamDecoderWriteCallback write_callback, + FLAC__StreamDecoderMetadataCallback metadata_callback, + FLAC__StreamDecoderErrorCallback error_callback, + void *client_data, + FLAC__bool is_ogg +) +{ + FLAC__ASSERT(0 != decoder); + + if(decoder->protected_->state != FLAC__STREAM_DECODER_UNINITIALIZED) + return FLAC__STREAM_DECODER_INIT_STATUS_ALREADY_INITIALIZED; + + if(FLAC__HAS_OGG == 0 && is_ogg) + return FLAC__STREAM_DECODER_INIT_STATUS_UNSUPPORTED_CONTAINER; + + if( + 0 == read_callback || + 0 == write_callback || + 0 == error_callback || + (seek_callback && (0 == tell_callback || 0 == length_callback || 0 == eof_callback)) + ) + return FLAC__STREAM_DECODER_INIT_STATUS_INVALID_CALLBACKS; + +#if FLAC__HAS_OGG + decoder->private_->is_ogg = is_ogg; + if(is_ogg && !FLAC__ogg_decoder_aspect_init(&decoder->protected_->ogg_decoder_aspect)) + return decoder->protected_->initstate = FLAC__STREAM_DECODER_INIT_STATUS_ERROR_OPENING_FILE; +#endif + + FLAC__cpu_info(&decoder->private_->cpuinfo); + decoder->private_->local_bitreader_read_rice_signed_block = FLAC__bitreader_read_rice_signed_block; + +#ifdef FLAC__BMI2_SUPPORTED + if (decoder->private_->cpuinfo.x86.bmi2) { + decoder->private_->local_bitreader_read_rice_signed_block = FLAC__bitreader_read_rice_signed_block_bmi2; + } +#endif + + /* from here on, errors are fatal */ + + if(!FLAC__bitreader_init(decoder->private_->input, read_callback_, decoder)) { + decoder->protected_->state = FLAC__STREAM_DECODER_MEMORY_ALLOCATION_ERROR; + return FLAC__STREAM_DECODER_INIT_STATUS_MEMORY_ALLOCATION_ERROR; + } + + decoder->private_->read_callback = read_callback; + decoder->private_->seek_callback = seek_callback; + decoder->private_->tell_callback = tell_callback; + decoder->private_->length_callback = length_callback; + decoder->private_->eof_callback = eof_callback; + decoder->private_->write_callback = write_callback; + decoder->private_->metadata_callback = metadata_callback; + decoder->private_->error_callback = error_callback; + decoder->private_->client_data = client_data; + decoder->private_->fixed_block_size = decoder->private_->next_fixed_block_size = 0; + decoder->private_->samples_decoded = 0; + decoder->private_->has_stream_info = false; + decoder->private_->cached = false; + + decoder->private_->do_md5_checking = decoder->protected_->md5_checking; + decoder->private_->is_seeking = false; + + decoder->private_->internal_reset_hack = true; /* so the following reset does not try to rewind the input */ + if(!FLAC__stream_decoder_reset(decoder)) { + /* above call sets the state for us */ + return FLAC__STREAM_DECODER_INIT_STATUS_MEMORY_ALLOCATION_ERROR; + } + + return FLAC__STREAM_DECODER_INIT_STATUS_OK; +} + +FLAC_API FLAC__StreamDecoderInitStatus FLAC__stream_decoder_init_stream( + FLAC__StreamDecoder *decoder, + FLAC__StreamDecoderReadCallback read_callback, + FLAC__StreamDecoderSeekCallback seek_callback, + FLAC__StreamDecoderTellCallback tell_callback, + FLAC__StreamDecoderLengthCallback length_callback, + FLAC__StreamDecoderEofCallback eof_callback, + FLAC__StreamDecoderWriteCallback write_callback, + FLAC__StreamDecoderMetadataCallback metadata_callback, + FLAC__StreamDecoderErrorCallback error_callback, + void *client_data +) +{ + return init_stream_internal_( + decoder, + read_callback, + seek_callback, + tell_callback, + length_callback, + eof_callback, + write_callback, + metadata_callback, + error_callback, + client_data, + /*is_ogg=*/false + ); +} + +FLAC_API FLAC__StreamDecoderInitStatus FLAC__stream_decoder_init_ogg_stream( + FLAC__StreamDecoder *decoder, + FLAC__StreamDecoderReadCallback read_callback, + FLAC__StreamDecoderSeekCallback seek_callback, + FLAC__StreamDecoderTellCallback tell_callback, + FLAC__StreamDecoderLengthCallback length_callback, + FLAC__StreamDecoderEofCallback eof_callback, + FLAC__StreamDecoderWriteCallback write_callback, + FLAC__StreamDecoderMetadataCallback metadata_callback, + FLAC__StreamDecoderErrorCallback error_callback, + void *client_data +) +{ + return init_stream_internal_( + decoder, + read_callback, + seek_callback, + tell_callback, + length_callback, + eof_callback, + write_callback, + metadata_callback, + error_callback, + client_data, + /*is_ogg=*/true + ); +} + +static FLAC__StreamDecoderInitStatus init_FILE_internal_( + FLAC__StreamDecoder *decoder, + FILE *file, + FLAC__StreamDecoderWriteCallback write_callback, + FLAC__StreamDecoderMetadataCallback metadata_callback, + FLAC__StreamDecoderErrorCallback error_callback, + void *client_data, + FLAC__bool is_ogg +) +{ + FLAC__ASSERT(0 != decoder); + FLAC__ASSERT(0 != file); + + if(decoder->protected_->state != FLAC__STREAM_DECODER_UNINITIALIZED) + return decoder->protected_->initstate = FLAC__STREAM_DECODER_INIT_STATUS_ALREADY_INITIALIZED; + + if(0 == write_callback || 0 == error_callback) + return decoder->protected_->initstate = FLAC__STREAM_DECODER_INIT_STATUS_INVALID_CALLBACKS; + + /* + * To make sure that our file does not go unclosed after an error, we + * must assign the FILE pointer before any further error can occur in + * this routine. + */ + if(file == stdin) + file = get_binary_stdin_(); /* just to be safe */ + + decoder->private_->file = file; + + return init_stream_internal_( + decoder, + file_read_callback_, + decoder->private_->file == stdin? 0: file_seek_callback_, + decoder->private_->file == stdin? 0: file_tell_callback_, + decoder->private_->file == stdin? 0: file_length_callback_, + file_eof_callback_, + write_callback, + metadata_callback, + error_callback, + client_data, + is_ogg + ); +} + +FLAC_API FLAC__StreamDecoderInitStatus FLAC__stream_decoder_init_FILE( + FLAC__StreamDecoder *decoder, + FILE *file, + FLAC__StreamDecoderWriteCallback write_callback, + FLAC__StreamDecoderMetadataCallback metadata_callback, + FLAC__StreamDecoderErrorCallback error_callback, + void *client_data +) +{ + return init_FILE_internal_(decoder, file, write_callback, metadata_callback, error_callback, client_data, /*is_ogg=*/false); +} + +FLAC_API FLAC__StreamDecoderInitStatus FLAC__stream_decoder_init_ogg_FILE( + FLAC__StreamDecoder *decoder, + FILE *file, + FLAC__StreamDecoderWriteCallback write_callback, + FLAC__StreamDecoderMetadataCallback metadata_callback, + FLAC__StreamDecoderErrorCallback error_callback, + void *client_data +) +{ + return init_FILE_internal_(decoder, file, write_callback, metadata_callback, error_callback, client_data, /*is_ogg=*/true); +} + +static FLAC__StreamDecoderInitStatus init_file_internal_( + FLAC__StreamDecoder *decoder, + const char *filename, + FLAC__StreamDecoderWriteCallback write_callback, + FLAC__StreamDecoderMetadataCallback metadata_callback, + FLAC__StreamDecoderErrorCallback error_callback, + void *client_data, + FLAC__bool is_ogg +) +{ + FILE *file; + + FLAC__ASSERT(0 != decoder); + + /* + * To make sure that our file does not go unclosed after an error, we + * have to do the same entrance checks here that are later performed + * in FLAC__stream_decoder_init_FILE() before the FILE* is assigned. + */ + if(decoder->protected_->state != FLAC__STREAM_DECODER_UNINITIALIZED) + return decoder->protected_->initstate = FLAC__STREAM_DECODER_INIT_STATUS_ALREADY_INITIALIZED; + + if(0 == write_callback || 0 == error_callback) + return decoder->protected_->initstate = FLAC__STREAM_DECODER_INIT_STATUS_INVALID_CALLBACKS; + + file = filename? flac_fopen(filename, "rb") : stdin; + + if(0 == file) + return FLAC__STREAM_DECODER_INIT_STATUS_ERROR_OPENING_FILE; + + return init_FILE_internal_(decoder, file, write_callback, metadata_callback, error_callback, client_data, is_ogg); +} + +FLAC_API FLAC__StreamDecoderInitStatus FLAC__stream_decoder_init_file( + FLAC__StreamDecoder *decoder, + const char *filename, + FLAC__StreamDecoderWriteCallback write_callback, + FLAC__StreamDecoderMetadataCallback metadata_callback, + FLAC__StreamDecoderErrorCallback error_callback, + void *client_data +) +{ + return init_file_internal_(decoder, filename, write_callback, metadata_callback, error_callback, client_data, /*is_ogg=*/false); +} + +FLAC_API FLAC__StreamDecoderInitStatus FLAC__stream_decoder_init_ogg_file( + FLAC__StreamDecoder *decoder, + const char *filename, + FLAC__StreamDecoderWriteCallback write_callback, + FLAC__StreamDecoderMetadataCallback metadata_callback, + FLAC__StreamDecoderErrorCallback error_callback, + void *client_data +) +{ + return init_file_internal_(decoder, filename, write_callback, metadata_callback, error_callback, client_data, /*is_ogg=*/true); +} + +FLAC_API FLAC__bool FLAC__stream_decoder_finish(FLAC__StreamDecoder *decoder) +{ + FLAC__bool md5_failed = false; + uint32_t i; + + FLAC__ASSERT(0 != decoder); + FLAC__ASSERT(0 != decoder->private_); + FLAC__ASSERT(0 != decoder->protected_); + + if(decoder->protected_->state == FLAC__STREAM_DECODER_UNINITIALIZED) + return true; + + /* see the comment in FLAC__stream_decoder_reset() as to why we + * always call FLAC__MD5Final() + */ + FLAC__MD5Final(decoder->private_->computed_md5sum, &decoder->private_->md5context); + + free(decoder->private_->seek_table.data.seek_table.points); + decoder->private_->seek_table.data.seek_table.points = 0; + decoder->private_->has_seek_table = false; + + FLAC__bitreader_free(decoder->private_->input); + for(i = 0; i < FLAC__MAX_CHANNELS; i++) { + /* WATCHOUT: + * FLAC__lpc_restore_signal_asm_ia32_mmx() and ..._intrin_sseN() + * require that the output arrays have a buffer of up to 3 zeroes + * in front (at negative indices) for alignment purposes; + * we use 4 to keep the data well-aligned. + */ + if(0 != decoder->private_->output[i]) { + free(decoder->private_->output[i]-4); + decoder->private_->output[i] = 0; + } + if(0 != decoder->private_->residual_unaligned[i]) { + free(decoder->private_->residual_unaligned[i]); + decoder->private_->residual_unaligned[i] = decoder->private_->residual[i] = 0; + } + } + if(0 != decoder->private_->side_subframe) { + free(decoder->private_->side_subframe); + decoder->private_->side_subframe = 0; + } + decoder->private_->output_capacity = 0; + decoder->private_->output_channels = 0; + +#if FLAC__HAS_OGG + if(decoder->private_->is_ogg) + FLAC__ogg_decoder_aspect_finish(&decoder->protected_->ogg_decoder_aspect); +#endif + + if(0 != decoder->private_->file) { + if(decoder->private_->file != stdin) + fclose(decoder->private_->file); + decoder->private_->file = 0; + } + + if(decoder->private_->do_md5_checking) { + if(memcmp(decoder->private_->stream_info.data.stream_info.md5sum, decoder->private_->computed_md5sum, 16)) + md5_failed = true; + } + decoder->private_->is_seeking = false; + + set_defaults_(decoder); + + decoder->protected_->state = FLAC__STREAM_DECODER_UNINITIALIZED; + + return !md5_failed; +} + +FLAC_API FLAC__bool FLAC__stream_decoder_set_ogg_serial_number(FLAC__StreamDecoder *decoder, long value) +{ + FLAC__ASSERT(0 != decoder); + FLAC__ASSERT(0 != decoder->private_); + FLAC__ASSERT(0 != decoder->protected_); + if(decoder->protected_->state != FLAC__STREAM_DECODER_UNINITIALIZED) + return false; +#if FLAC__HAS_OGG + /* can't check decoder->private_->is_ogg since that's not set until init time */ + FLAC__ogg_decoder_aspect_set_serial_number(&decoder->protected_->ogg_decoder_aspect, value); + return true; +#else + (void)value; + return false; +#endif +} + +FLAC_API FLAC__bool FLAC__stream_decoder_set_md5_checking(FLAC__StreamDecoder *decoder, FLAC__bool value) +{ + FLAC__ASSERT(0 != decoder); + FLAC__ASSERT(0 != decoder->protected_); + if(decoder->protected_->state != FLAC__STREAM_DECODER_UNINITIALIZED) + return false; + decoder->protected_->md5_checking = value; + return true; +} + +FLAC_API FLAC__bool FLAC__stream_decoder_set_metadata_respond(FLAC__StreamDecoder *decoder, FLAC__MetadataType type) +{ + FLAC__ASSERT(0 != decoder); + FLAC__ASSERT(0 != decoder->private_); + FLAC__ASSERT(0 != decoder->protected_); + FLAC__ASSERT((uint32_t)type <= FLAC__MAX_METADATA_TYPE_CODE); + /* double protection */ + if((uint32_t)type > FLAC__MAX_METADATA_TYPE_CODE) + return false; + if(decoder->protected_->state != FLAC__STREAM_DECODER_UNINITIALIZED) + return false; + decoder->private_->metadata_filter[type] = true; + if(type == FLAC__METADATA_TYPE_APPLICATION) + decoder->private_->metadata_filter_ids_count = 0; + return true; +} + +FLAC_API FLAC__bool FLAC__stream_decoder_set_metadata_respond_application(FLAC__StreamDecoder *decoder, const FLAC__byte id[4]) +{ + FLAC__ASSERT(0 != decoder); + FLAC__ASSERT(0 != decoder->private_); + FLAC__ASSERT(0 != decoder->protected_); + FLAC__ASSERT(0 != id); + if(decoder->protected_->state != FLAC__STREAM_DECODER_UNINITIALIZED) + return false; + + if(decoder->private_->metadata_filter[FLAC__METADATA_TYPE_APPLICATION]) + return true; + + FLAC__ASSERT(0 != decoder->private_->metadata_filter_ids); + + if(decoder->private_->metadata_filter_ids_count == decoder->private_->metadata_filter_ids_capacity) { + if(0 == (decoder->private_->metadata_filter_ids = safe_realloc_mul_2op_(decoder->private_->metadata_filter_ids, decoder->private_->metadata_filter_ids_capacity, /*times*/2))) { + decoder->protected_->state = FLAC__STREAM_DECODER_MEMORY_ALLOCATION_ERROR; + return false; + } + decoder->private_->metadata_filter_ids_capacity *= 2; + } + + memcpy(decoder->private_->metadata_filter_ids + decoder->private_->metadata_filter_ids_count * (FLAC__STREAM_METADATA_APPLICATION_ID_LEN/8), id, (FLAC__STREAM_METADATA_APPLICATION_ID_LEN/8)); + decoder->private_->metadata_filter_ids_count++; + + return true; +} + +FLAC_API FLAC__bool FLAC__stream_decoder_set_metadata_respond_all(FLAC__StreamDecoder *decoder) +{ + uint32_t i; + FLAC__ASSERT(0 != decoder); + FLAC__ASSERT(0 != decoder->private_); + FLAC__ASSERT(0 != decoder->protected_); + if(decoder->protected_->state != FLAC__STREAM_DECODER_UNINITIALIZED) + return false; + for(i = 0; i < sizeof(decoder->private_->metadata_filter) / sizeof(decoder->private_->metadata_filter[0]); i++) + decoder->private_->metadata_filter[i] = true; + decoder->private_->metadata_filter_ids_count = 0; + return true; +} + +FLAC_API FLAC__bool FLAC__stream_decoder_set_metadata_ignore(FLAC__StreamDecoder *decoder, FLAC__MetadataType type) +{ + FLAC__ASSERT(0 != decoder); + FLAC__ASSERT(0 != decoder->private_); + FLAC__ASSERT(0 != decoder->protected_); + FLAC__ASSERT((uint32_t)type <= FLAC__MAX_METADATA_TYPE_CODE); + /* double protection */ + if((uint32_t)type > FLAC__MAX_METADATA_TYPE_CODE) + return false; + if(decoder->protected_->state != FLAC__STREAM_DECODER_UNINITIALIZED) + return false; + decoder->private_->metadata_filter[type] = false; + if(type == FLAC__METADATA_TYPE_APPLICATION) + decoder->private_->metadata_filter_ids_count = 0; + return true; +} + +FLAC_API FLAC__bool FLAC__stream_decoder_set_metadata_ignore_application(FLAC__StreamDecoder *decoder, const FLAC__byte id[4]) +{ + FLAC__ASSERT(0 != decoder); + FLAC__ASSERT(0 != decoder->private_); + FLAC__ASSERT(0 != decoder->protected_); + FLAC__ASSERT(0 != id); + if(decoder->protected_->state != FLAC__STREAM_DECODER_UNINITIALIZED) + return false; + + if(!decoder->private_->metadata_filter[FLAC__METADATA_TYPE_APPLICATION]) + return true; + + FLAC__ASSERT(0 != decoder->private_->metadata_filter_ids); + + if(decoder->private_->metadata_filter_ids_count == decoder->private_->metadata_filter_ids_capacity) { + if(0 == (decoder->private_->metadata_filter_ids = safe_realloc_mul_2op_(decoder->private_->metadata_filter_ids, decoder->private_->metadata_filter_ids_capacity, /*times*/2))) { + decoder->protected_->state = FLAC__STREAM_DECODER_MEMORY_ALLOCATION_ERROR; + return false; + } + decoder->private_->metadata_filter_ids_capacity *= 2; + } + + memcpy(decoder->private_->metadata_filter_ids + decoder->private_->metadata_filter_ids_count * (FLAC__STREAM_METADATA_APPLICATION_ID_LEN/8), id, (FLAC__STREAM_METADATA_APPLICATION_ID_LEN/8)); + decoder->private_->metadata_filter_ids_count++; + + return true; +} + +FLAC_API FLAC__bool FLAC__stream_decoder_set_metadata_ignore_all(FLAC__StreamDecoder *decoder) +{ + FLAC__ASSERT(0 != decoder); + FLAC__ASSERT(0 != decoder->private_); + FLAC__ASSERT(0 != decoder->protected_); + if(decoder->protected_->state != FLAC__STREAM_DECODER_UNINITIALIZED) + return false; + memset(decoder->private_->metadata_filter, 0, sizeof(decoder->private_->metadata_filter)); + decoder->private_->metadata_filter_ids_count = 0; + return true; +} + +FLAC_API FLAC__StreamDecoderState FLAC__stream_decoder_get_state(const FLAC__StreamDecoder *decoder) +{ + FLAC__ASSERT(0 != decoder); + FLAC__ASSERT(0 != decoder->protected_); + return decoder->protected_->state; +} + +FLAC_API const char *FLAC__stream_decoder_get_resolved_state_string(const FLAC__StreamDecoder *decoder) +{ + return FLAC__StreamDecoderStateString[decoder->protected_->state]; +} + +FLAC_API FLAC__bool FLAC__stream_decoder_get_md5_checking(const FLAC__StreamDecoder *decoder) +{ + FLAC__ASSERT(0 != decoder); + FLAC__ASSERT(0 != decoder->protected_); + return decoder->protected_->md5_checking; +} + +FLAC_API FLAC__uint64 FLAC__stream_decoder_get_total_samples(const FLAC__StreamDecoder *decoder) +{ + FLAC__ASSERT(0 != decoder); + FLAC__ASSERT(0 != decoder->protected_); + return decoder->private_->has_stream_info? decoder->private_->stream_info.data.stream_info.total_samples : 0; +} + +FLAC_API uint32_t FLAC__stream_decoder_get_channels(const FLAC__StreamDecoder *decoder) +{ + FLAC__ASSERT(0 != decoder); + FLAC__ASSERT(0 != decoder->protected_); + return decoder->protected_->channels; +} + +FLAC_API FLAC__ChannelAssignment FLAC__stream_decoder_get_channel_assignment(const FLAC__StreamDecoder *decoder) +{ + FLAC__ASSERT(0 != decoder); + FLAC__ASSERT(0 != decoder->protected_); + return decoder->protected_->channel_assignment; +} + +FLAC_API uint32_t FLAC__stream_decoder_get_bits_per_sample(const FLAC__StreamDecoder *decoder) +{ + FLAC__ASSERT(0 != decoder); + FLAC__ASSERT(0 != decoder->protected_); + return decoder->protected_->bits_per_sample; +} + +FLAC_API uint32_t FLAC__stream_decoder_get_sample_rate(const FLAC__StreamDecoder *decoder) +{ + FLAC__ASSERT(0 != decoder); + FLAC__ASSERT(0 != decoder->protected_); + return decoder->protected_->sample_rate; +} + +FLAC_API uint32_t FLAC__stream_decoder_get_blocksize(const FLAC__StreamDecoder *decoder) +{ + FLAC__ASSERT(0 != decoder); + FLAC__ASSERT(0 != decoder->protected_); + return decoder->protected_->blocksize; +} + +FLAC_API FLAC__bool FLAC__stream_decoder_get_decode_position(const FLAC__StreamDecoder *decoder, FLAC__uint64 *position) +{ + FLAC__ASSERT(0 != decoder); + FLAC__ASSERT(0 != decoder->private_); + FLAC__ASSERT(0 != position); + + if(FLAC__HAS_OGG && decoder->private_->is_ogg) + return false; + + if(0 == decoder->private_->tell_callback) + return false; + if(decoder->private_->tell_callback(decoder, position, decoder->private_->client_data) != FLAC__STREAM_DECODER_TELL_STATUS_OK) + return false; + /* should never happen since all FLAC frames and metadata blocks are byte aligned, but check just in case */ + if(!FLAC__bitreader_is_consumed_byte_aligned(decoder->private_->input)) + return false; + FLAC__ASSERT(*position >= FLAC__stream_decoder_get_input_bytes_unconsumed(decoder)); + *position -= FLAC__stream_decoder_get_input_bytes_unconsumed(decoder); + return true; +} + +FLAC_API const void *FLAC__stream_decoder_get_client_data(FLAC__StreamDecoder *decoder) +{ + return decoder->private_->client_data; +} + +FLAC_API FLAC__bool FLAC__stream_decoder_flush(FLAC__StreamDecoder *decoder) +{ + FLAC__ASSERT(0 != decoder); + FLAC__ASSERT(0 != decoder->private_); + FLAC__ASSERT(0 != decoder->protected_); + + if(!decoder->private_->internal_reset_hack && decoder->protected_->state == FLAC__STREAM_DECODER_UNINITIALIZED) + return false; + + decoder->private_->samples_decoded = 0; + decoder->private_->do_md5_checking = false; + decoder->private_->last_seen_framesync = 0; + decoder->private_->last_frame_is_set = false; + +#if FLAC__HAS_OGG + if(decoder->private_->is_ogg) + FLAC__ogg_decoder_aspect_flush(&decoder->protected_->ogg_decoder_aspect); +#endif + + if(!FLAC__bitreader_clear(decoder->private_->input)) { + decoder->protected_->state = FLAC__STREAM_DECODER_MEMORY_ALLOCATION_ERROR; + return false; + } + decoder->protected_->state = FLAC__STREAM_DECODER_SEARCH_FOR_FRAME_SYNC; + + return true; +} + +FLAC_API FLAC__bool FLAC__stream_decoder_reset(FLAC__StreamDecoder *decoder) +{ + FLAC__ASSERT(0 != decoder); + FLAC__ASSERT(0 != decoder->private_); + FLAC__ASSERT(0 != decoder->protected_); + + if(!FLAC__stream_decoder_flush(decoder)) { + /* above call sets the state for us */ + return false; + } + +#if FLAC__HAS_OGG + /*@@@ could go in !internal_reset_hack block below */ + if(decoder->private_->is_ogg) + FLAC__ogg_decoder_aspect_reset(&decoder->protected_->ogg_decoder_aspect); +#endif + + /* Rewind if necessary. If FLAC__stream_decoder_init() is calling us, + * (internal_reset_hack) don't try to rewind since we are already at + * the beginning of the stream and don't want to fail if the input is + * not seekable. + */ + if(!decoder->private_->internal_reset_hack) { + if(decoder->private_->file == stdin) + return false; /* can't rewind stdin, reset fails */ + if(decoder->private_->seek_callback && decoder->private_->seek_callback(decoder, 0, decoder->private_->client_data) == FLAC__STREAM_DECODER_SEEK_STATUS_ERROR) + return false; /* seekable and seek fails, reset fails */ + } + + decoder->protected_->state = FLAC__STREAM_DECODER_SEARCH_FOR_METADATA; + + decoder->private_->has_stream_info = false; + + free(decoder->private_->seek_table.data.seek_table.points); + decoder->private_->seek_table.data.seek_table.points = 0; + decoder->private_->has_seek_table = false; + + decoder->private_->do_md5_checking = decoder->protected_->md5_checking; + /* + * This goes in reset() and not flush() because according to the spec, a + * fixed-blocksize stream must stay that way through the whole stream. + */ + decoder->private_->fixed_block_size = decoder->private_->next_fixed_block_size = 0; + + /* We initialize the FLAC__MD5Context even though we may never use it. This + * is because md5 checking may be turned on to start and then turned off if + * a seek occurs. So we init the context here and finalize it in + * FLAC__stream_decoder_finish() to make sure things are always cleaned up + * properly. + */ + if(!decoder->private_->internal_reset_hack) { + /* Only finish MD5 context when it has been initialized + * (i.e. when internal_reset_hack is not set) */ + FLAC__MD5Final(decoder->private_->computed_md5sum, &decoder->private_->md5context); + } + else + decoder->private_->internal_reset_hack = false; + FLAC__MD5Init(&decoder->private_->md5context); + + decoder->private_->first_frame_offset = 0; + decoder->private_->unparseable_frame_count = 0; + decoder->private_->last_seen_framesync = 0; + decoder->private_->last_frame_is_set = false; + + return true; +} + +FLAC_API FLAC__bool FLAC__stream_decoder_process_single(FLAC__StreamDecoder *decoder) +{ + FLAC__bool got_a_frame; + FLAC__ASSERT(0 != decoder); + FLAC__ASSERT(0 != decoder->protected_); + + while(1) { + switch(decoder->protected_->state) { + case FLAC__STREAM_DECODER_SEARCH_FOR_METADATA: + if(!find_metadata_(decoder)) + return false; /* above function sets the status for us */ + break; + case FLAC__STREAM_DECODER_READ_METADATA: + if(!read_metadata_(decoder)) + return false; /* above function sets the status for us */ + else + return true; + case FLAC__STREAM_DECODER_SEARCH_FOR_FRAME_SYNC: + if(!frame_sync_(decoder)) + return true; /* above function sets the status for us */ + break; + case FLAC__STREAM_DECODER_READ_FRAME: + if(!read_frame_(decoder, &got_a_frame, /*do_full_decode=*/true)) + return false; /* above function sets the status for us */ + if(got_a_frame) + return true; /* above function sets the status for us */ + break; + case FLAC__STREAM_DECODER_END_OF_STREAM: + case FLAC__STREAM_DECODER_ABORTED: + return true; + default: + return false; + } + } +} + +FLAC_API FLAC__bool FLAC__stream_decoder_process_until_end_of_metadata(FLAC__StreamDecoder *decoder) +{ + FLAC__ASSERT(0 != decoder); + FLAC__ASSERT(0 != decoder->protected_); + + while(1) { + switch(decoder->protected_->state) { + case FLAC__STREAM_DECODER_SEARCH_FOR_METADATA: + if(!find_metadata_(decoder)) + return false; /* above function sets the status for us */ + break; + case FLAC__STREAM_DECODER_READ_METADATA: + if(!read_metadata_(decoder)) + return false; /* above function sets the status for us */ + break; + case FLAC__STREAM_DECODER_SEARCH_FOR_FRAME_SYNC: + case FLAC__STREAM_DECODER_READ_FRAME: + case FLAC__STREAM_DECODER_END_OF_STREAM: + case FLAC__STREAM_DECODER_ABORTED: + return true; + default: + return false; + } + } +} + +FLAC_API FLAC__bool FLAC__stream_decoder_process_until_end_of_stream(FLAC__StreamDecoder *decoder) +{ + FLAC__bool dummy; + FLAC__ASSERT(0 != decoder); + FLAC__ASSERT(0 != decoder->protected_); + + while(1) { + switch(decoder->protected_->state) { + case FLAC__STREAM_DECODER_SEARCH_FOR_METADATA: + if(!find_metadata_(decoder)) + return false; /* above function sets the status for us */ + break; + case FLAC__STREAM_DECODER_READ_METADATA: + if(!read_metadata_(decoder)) + return false; /* above function sets the status for us */ + break; + case FLAC__STREAM_DECODER_SEARCH_FOR_FRAME_SYNC: + if(!frame_sync_(decoder)) + return true; /* above function sets the status for us */ + break; + case FLAC__STREAM_DECODER_READ_FRAME: + if(!read_frame_(decoder, &dummy, /*do_full_decode=*/true)) + return false; /* above function sets the status for us */ + break; + case FLAC__STREAM_DECODER_END_OF_STREAM: + case FLAC__STREAM_DECODER_ABORTED: + return true; + default: + return false; + } + } +} + +FLAC_API FLAC__bool FLAC__stream_decoder_skip_single_frame(FLAC__StreamDecoder *decoder) +{ + FLAC__bool got_a_frame; + FLAC__ASSERT(0 != decoder); + FLAC__ASSERT(0 != decoder->protected_); + + while(1) { + switch(decoder->protected_->state) { + case FLAC__STREAM_DECODER_SEARCH_FOR_METADATA: + case FLAC__STREAM_DECODER_READ_METADATA: + return false; /* above function sets the status for us */ + case FLAC__STREAM_DECODER_SEARCH_FOR_FRAME_SYNC: + if(!frame_sync_(decoder)) + return true; /* above function sets the status for us */ + break; + case FLAC__STREAM_DECODER_READ_FRAME: + if(!read_frame_(decoder, &got_a_frame, /*do_full_decode=*/false)) + return false; /* above function sets the status for us */ + if(got_a_frame) + return true; /* above function sets the status for us */ + break; + case FLAC__STREAM_DECODER_END_OF_STREAM: + case FLAC__STREAM_DECODER_ABORTED: + return true; + default: + return false; + } + } +} + +FLAC_API FLAC__bool FLAC__stream_decoder_seek_absolute(FLAC__StreamDecoder *decoder, FLAC__uint64 sample) +{ + FLAC__uint64 length; + + FLAC__ASSERT(0 != decoder); + + if( + decoder->protected_->state != FLAC__STREAM_DECODER_SEARCH_FOR_METADATA && + decoder->protected_->state != FLAC__STREAM_DECODER_READ_METADATA && + decoder->protected_->state != FLAC__STREAM_DECODER_SEARCH_FOR_FRAME_SYNC && + decoder->protected_->state != FLAC__STREAM_DECODER_READ_FRAME && + decoder->protected_->state != FLAC__STREAM_DECODER_END_OF_STREAM + ) + return false; + + if(0 == decoder->private_->seek_callback) + return false; + + FLAC__ASSERT(decoder->private_->seek_callback); + FLAC__ASSERT(decoder->private_->tell_callback); + FLAC__ASSERT(decoder->private_->length_callback); + FLAC__ASSERT(decoder->private_->eof_callback); + + if(FLAC__stream_decoder_get_total_samples(decoder) > 0 && sample >= FLAC__stream_decoder_get_total_samples(decoder)) + return false; + + decoder->private_->is_seeking = true; + + /* turn off md5 checking if a seek is attempted */ + decoder->private_->do_md5_checking = false; + + /* get the file length (currently our algorithm needs to know the length so it's also an error to get FLAC__STREAM_DECODER_LENGTH_STATUS_UNSUPPORTED) */ + if(decoder->private_->length_callback(decoder, &length, decoder->private_->client_data) != FLAC__STREAM_DECODER_LENGTH_STATUS_OK) { + decoder->private_->is_seeking = false; + return false; + } + + /* if we haven't finished processing the metadata yet, do that so we have the STREAMINFO, SEEK_TABLE, and first_frame_offset */ + if( + decoder->protected_->state == FLAC__STREAM_DECODER_SEARCH_FOR_METADATA || + decoder->protected_->state == FLAC__STREAM_DECODER_READ_METADATA + ) { + if(!FLAC__stream_decoder_process_until_end_of_metadata(decoder)) { + /* above call sets the state for us */ + decoder->private_->is_seeking = false; + return false; + } + /* check this again in case we didn't know total_samples the first time */ + if(FLAC__stream_decoder_get_total_samples(decoder) > 0 && sample >= FLAC__stream_decoder_get_total_samples(decoder)) { + decoder->private_->is_seeking = false; + return false; + } + } + + { + const FLAC__bool ok = +#if FLAC__HAS_OGG + decoder->private_->is_ogg? + seek_to_absolute_sample_ogg_(decoder, length, sample) : +#endif + seek_to_absolute_sample_(decoder, length, sample) + ; + decoder->private_->is_seeking = false; + return ok; + } +} + +/*********************************************************************** + * + * Protected class methods + * + ***********************************************************************/ + +uint32_t FLAC__stream_decoder_get_input_bytes_unconsumed(const FLAC__StreamDecoder *decoder) +{ + FLAC__ASSERT(0 != decoder); + FLAC__ASSERT(FLAC__bitreader_is_consumed_byte_aligned(decoder->private_->input)); + FLAC__ASSERT(!(FLAC__bitreader_get_input_bits_unconsumed(decoder->private_->input) & 7)); + return FLAC__bitreader_get_input_bits_unconsumed(decoder->private_->input) / 8; +} + +/*********************************************************************** + * + * Private class methods + * + ***********************************************************************/ + +void set_defaults_(FLAC__StreamDecoder *decoder) +{ + decoder->private_->is_ogg = false; + decoder->private_->read_callback = 0; + decoder->private_->seek_callback = 0; + decoder->private_->tell_callback = 0; + decoder->private_->length_callback = 0; + decoder->private_->eof_callback = 0; + decoder->private_->write_callback = 0; + decoder->private_->metadata_callback = 0; + decoder->private_->error_callback = 0; + decoder->private_->client_data = 0; + + memset(decoder->private_->metadata_filter, 0, sizeof(decoder->private_->metadata_filter)); + decoder->private_->metadata_filter[FLAC__METADATA_TYPE_STREAMINFO] = true; + decoder->private_->metadata_filter_ids_count = 0; + + decoder->protected_->md5_checking = false; + +#if FLAC__HAS_OGG + FLAC__ogg_decoder_aspect_set_defaults(&decoder->protected_->ogg_decoder_aspect); +#endif +} + +/* + * This will forcibly set stdin to binary mode (for OSes that require it) + */ +FILE *get_binary_stdin_(void) +{ + /* if something breaks here it is probably due to the presence or + * absence of an underscore before the identifiers 'setmode', + * 'fileno', and/or 'O_BINARY'; check your system header files. + */ +#if defined _MSC_VER || defined __MINGW32__ + _setmode(_fileno(stdin), _O_BINARY); +#elif defined __EMX__ + setmode(fileno(stdin), O_BINARY); +#endif + + return stdin; +} + +FLAC__bool allocate_output_(FLAC__StreamDecoder *decoder, uint32_t size, uint32_t channels, uint32_t bps) +{ + uint32_t i; + FLAC__int32 *tmp; + + if(size <= decoder->private_->output_capacity && channels <= decoder->private_->output_channels && + (bps < 32 || decoder->private_->side_subframe != 0)) + return true; + + /* simply using realloc() is not practical because the number of channels may change mid-stream */ + + for(i = 0; i < FLAC__MAX_CHANNELS; i++) { + if(0 != decoder->private_->output[i]) { + free(decoder->private_->output[i]-4); + decoder->private_->output[i] = 0; + } + if(0 != decoder->private_->residual_unaligned[i]) { + free(decoder->private_->residual_unaligned[i]); + decoder->private_->residual_unaligned[i] = decoder->private_->residual[i] = 0; + } + } + + if(0 != decoder->private_->side_subframe) { + free(decoder->private_->side_subframe); + decoder->private_->side_subframe = 0; + } + + for(i = 0; i < channels; i++) { + /* WATCHOUT: + * FLAC__lpc_restore_signal_asm_ia32_mmx() and ..._intrin_sseN() + * require that the output arrays have a buffer of up to 3 zeroes + * in front (at negative indices) for alignment purposes; + * we use 4 to keep the data well-aligned. + */ + tmp = safe_malloc_muladd2_(sizeof(FLAC__int32), /*times (*/size, /*+*/4/*)*/); + if(tmp == 0) { + decoder->protected_->state = FLAC__STREAM_DECODER_MEMORY_ALLOCATION_ERROR; + return false; + } + memset(tmp, 0, sizeof(FLAC__int32)*4); + decoder->private_->output[i] = tmp + 4; + + if(!FLAC__memory_alloc_aligned_int32_array(size, &decoder->private_->residual_unaligned[i], &decoder->private_->residual[i])) { + decoder->protected_->state = FLAC__STREAM_DECODER_MEMORY_ALLOCATION_ERROR; + return false; + } + } + + if(bps == 32) { + decoder->private_->side_subframe = safe_malloc_mul_2op_p(sizeof(FLAC__int64), /*times (*/size); + if(decoder->private_->side_subframe == NULL) { + decoder->protected_->state = FLAC__STREAM_DECODER_MEMORY_ALLOCATION_ERROR; + return false; + } + } + + decoder->private_->output_capacity = size; + decoder->private_->output_channels = channels; + + return true; +} + +FLAC__bool has_id_filtered_(FLAC__StreamDecoder *decoder, FLAC__byte *id) +{ + size_t i; + + FLAC__ASSERT(0 != decoder); + FLAC__ASSERT(0 != decoder->private_); + + for(i = 0; i < decoder->private_->metadata_filter_ids_count; i++) + if(0 == memcmp(decoder->private_->metadata_filter_ids + i * (FLAC__STREAM_METADATA_APPLICATION_ID_LEN/8), id, (FLAC__STREAM_METADATA_APPLICATION_ID_LEN/8))) + return true; + + return false; +} + +FLAC__bool find_metadata_(FLAC__StreamDecoder *decoder) +{ + FLAC__uint32 x; + uint32_t i, id; + FLAC__bool first = true; + + FLAC__ASSERT(FLAC__bitreader_is_consumed_byte_aligned(decoder->private_->input)); + + for(i = id = 0; i < 4; ) { + if(decoder->private_->cached) { + x = (FLAC__uint32)decoder->private_->lookahead; + decoder->private_->cached = false; + } + else { + if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &x, 8)) + return false; /* read_callback_ sets the state for us */ + } + if(x == FLAC__STREAM_SYNC_STRING[i]) { + first = true; + i++; + id = 0; + continue; + } + + if(id >= 3) + return false; + + if(x == ID3V2_TAG_[id]) { + id++; + i = 0; + if(id == 3) { + if(!skip_id3v2_tag_(decoder)) + return false; /* skip_id3v2_tag_ sets the state for us */ + } + continue; + } + id = 0; + if(x == 0xff) { /* MAGIC NUMBER for the first 8 frame sync bits */ + decoder->private_->header_warmup[0] = (FLAC__byte)x; + if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &x, 8)) + return false; /* read_callback_ sets the state for us */ + + /* we have to check if we just read two 0xff's in a row; the second may actually be the beginning of the sync code */ + /* else we have to check if the second byte is the end of a sync code */ + if(x == 0xff) { /* MAGIC NUMBER for the first 8 frame sync bits */ + decoder->private_->lookahead = (FLAC__byte)x; + decoder->private_->cached = true; + } + else if(x >> 1 == 0x7c) { /* MAGIC NUMBER for the last 6 sync bits and reserved 7th bit */ + decoder->private_->header_warmup[1] = (FLAC__byte)x; + decoder->protected_->state = FLAC__STREAM_DECODER_READ_FRAME; + return true; + } + } + i = 0; + if(first) { + send_error_to_client_(decoder, FLAC__STREAM_DECODER_ERROR_STATUS_LOST_SYNC); + first = false; + } + } + + decoder->protected_->state = FLAC__STREAM_DECODER_READ_METADATA; + return true; +} + +FLAC__bool read_metadata_(FLAC__StreamDecoder *decoder) +{ + FLAC__bool is_last; + FLAC__uint32 i, x, type, length; + + FLAC__ASSERT(FLAC__bitreader_is_consumed_byte_aligned(decoder->private_->input)); + + if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &x, FLAC__STREAM_METADATA_IS_LAST_LEN)) + return false; /* read_callback_ sets the state for us */ + is_last = x? true : false; + + if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &type, FLAC__STREAM_METADATA_TYPE_LEN)) + return false; /* read_callback_ sets the state for us */ + + if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &length, FLAC__STREAM_METADATA_LENGTH_LEN)) + return false; /* read_callback_ sets the state for us */ + + if(type == FLAC__METADATA_TYPE_STREAMINFO) { + if(!read_metadata_streaminfo_(decoder, is_last, length)) + return false; + + decoder->private_->has_stream_info = true; + if(0 == memcmp(decoder->private_->stream_info.data.stream_info.md5sum, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0", 16)) + decoder->private_->do_md5_checking = false; + if(!decoder->private_->is_seeking && decoder->private_->metadata_filter[FLAC__METADATA_TYPE_STREAMINFO] && decoder->private_->metadata_callback) + decoder->private_->metadata_callback(decoder, &decoder->private_->stream_info, decoder->private_->client_data); + } + else if(type == FLAC__METADATA_TYPE_SEEKTABLE) { + /* just in case we already have a seek table, and reading the next one fails: */ + decoder->private_->has_seek_table = false; + + if(length > 0) { + if(!read_metadata_seektable_(decoder, is_last, length)) + return false; + + decoder->private_->has_seek_table = true; + if(!decoder->private_->is_seeking && decoder->private_->metadata_filter[FLAC__METADATA_TYPE_SEEKTABLE] && decoder->private_->metadata_callback) + decoder->private_->metadata_callback(decoder, &decoder->private_->seek_table, decoder->private_->client_data); + } + } + else { + FLAC__bool skip_it = !decoder->private_->metadata_filter[type]; + uint32_t real_length = length; + FLAC__StreamMetadata block; + + memset(&block, 0, sizeof(block)); + block.is_last = is_last; + block.type = (FLAC__MetadataType)type; + block.length = length; + + if(type == FLAC__METADATA_TYPE_APPLICATION) { + if(!FLAC__bitreader_read_byte_block_aligned_no_crc(decoder->private_->input, block.data.application.id, FLAC__STREAM_METADATA_APPLICATION_ID_LEN/8)) + return false; /* read_callback_ sets the state for us */ + + if(real_length < FLAC__STREAM_METADATA_APPLICATION_ID_LEN/8) { /* underflow check */ + decoder->protected_->state = FLAC__STREAM_DECODER_MEMORY_ALLOCATION_ERROR;/*@@@@@@ maybe wrong error? need to resync?*/ + return false; + } + + real_length -= FLAC__STREAM_METADATA_APPLICATION_ID_LEN/8; + + if(decoder->private_->metadata_filter_ids_count > 0 && has_id_filtered_(decoder, block.data.application.id)) + skip_it = !skip_it; + } + + if(skip_it) { + if(!FLAC__bitreader_skip_byte_block_aligned_no_crc(decoder->private_->input, real_length)) + return false; /* read_callback_ sets the state for us */ + } + else { + FLAC__bool ok = true; + FLAC__bitreader_set_limit(decoder->private_->input, real_length*8); + switch(type) { + case FLAC__METADATA_TYPE_PADDING: + /* skip the padding bytes */ + if(!FLAC__bitreader_skip_byte_block_aligned_no_crc(decoder->private_->input, real_length)) + ok = false; /* read_callback_ sets the state for us */ + break; + case FLAC__METADATA_TYPE_APPLICATION: + /* remember, we read the ID already */ + if(real_length > 0) { + if(0 == (block.data.application.data = malloc(real_length))) { + decoder->protected_->state = FLAC__STREAM_DECODER_MEMORY_ALLOCATION_ERROR; + ok = false; + } + else if(!FLAC__bitreader_read_byte_block_aligned_no_crc(decoder->private_->input, block.data.application.data, real_length)) + ok = false; /* read_callback_ sets the state for us */ + } + else + block.data.application.data = 0; + break; + case FLAC__METADATA_TYPE_VORBIS_COMMENT: + if(!read_metadata_vorbiscomment_(decoder, &block.data.vorbis_comment, real_length)) + ok = false; + break; + case FLAC__METADATA_TYPE_CUESHEET: + if(!read_metadata_cuesheet_(decoder, &block.data.cue_sheet)) + ok = false; + break; + case FLAC__METADATA_TYPE_PICTURE: + if(!read_metadata_picture_(decoder, &block.data.picture)) + ok = false; + break; + case FLAC__METADATA_TYPE_STREAMINFO: + case FLAC__METADATA_TYPE_SEEKTABLE: + FLAC__ASSERT(0); + break; + default: + if(real_length > 0) { + if(0 == (block.data.unknown.data = malloc(real_length))) { + decoder->protected_->state = FLAC__STREAM_DECODER_MEMORY_ALLOCATION_ERROR; + ok = false; + } + else if(!FLAC__bitreader_read_byte_block_aligned_no_crc(decoder->private_->input, block.data.unknown.data, real_length)) + ok = false; /* read_callback_ sets the state for us */ + } + else + block.data.unknown.data = 0; + break; + } + if(FLAC__bitreader_limit_remaining(decoder->private_->input) > 0) { + /* Content in metadata block didn't fit in block length + * We cannot know whether the length or the content was + * corrupt, so stop parsing metadata */ + send_error_to_client_(decoder, FLAC__STREAM_DECODER_ERROR_STATUS_BAD_METADATA); + if(decoder->protected_->state == FLAC__STREAM_DECODER_READ_METADATA) + decoder->protected_->state = FLAC__STREAM_DECODER_SEARCH_FOR_FRAME_SYNC; + ok = false; + } + FLAC__bitreader_remove_limit(decoder->private_->input); + if(ok && !decoder->private_->is_seeking && decoder->private_->metadata_callback) + decoder->private_->metadata_callback(decoder, &block, decoder->private_->client_data); + + /* now we have to free any malloc()ed data in the block */ + switch(type) { + case FLAC__METADATA_TYPE_PADDING: + break; + case FLAC__METADATA_TYPE_APPLICATION: + if(0 != block.data.application.data) + free(block.data.application.data); + break; + case FLAC__METADATA_TYPE_VORBIS_COMMENT: + if(0 != block.data.vorbis_comment.vendor_string.entry) + free(block.data.vorbis_comment.vendor_string.entry); + if(block.data.vorbis_comment.num_comments > 0) + for(i = 0; i < block.data.vorbis_comment.num_comments; i++) + if(0 != block.data.vorbis_comment.comments[i].entry) + free(block.data.vorbis_comment.comments[i].entry); + if(0 != block.data.vorbis_comment.comments) + free(block.data.vorbis_comment.comments); + break; + case FLAC__METADATA_TYPE_CUESHEET: + if(block.data.cue_sheet.num_tracks > 0 && 0 != block.data.cue_sheet.tracks) + for(i = 0; i < block.data.cue_sheet.num_tracks; i++) + if(0 != block.data.cue_sheet.tracks[i].indices) + free(block.data.cue_sheet.tracks[i].indices); + if(0 != block.data.cue_sheet.tracks) + free(block.data.cue_sheet.tracks); + break; + case FLAC__METADATA_TYPE_PICTURE: + if(0 != block.data.picture.mime_type) + free(block.data.picture.mime_type); + if(0 != block.data.picture.description) + free(block.data.picture.description); + if(0 != block.data.picture.data) + free(block.data.picture.data); + break; + case FLAC__METADATA_TYPE_STREAMINFO: + case FLAC__METADATA_TYPE_SEEKTABLE: + FLAC__ASSERT(0); + default: + if(0 != block.data.unknown.data) + free(block.data.unknown.data); + break; + } + + if(!ok) /* anything that unsets "ok" should also make sure decoder->protected_->state is updated */ + return false; + } + } + + if(is_last) { + /* if this fails, it's OK, it's just a hint for the seek routine */ + if(!FLAC__stream_decoder_get_decode_position(decoder, &decoder->private_->first_frame_offset)) + decoder->private_->first_frame_offset = 0; + decoder->protected_->state = FLAC__STREAM_DECODER_SEARCH_FOR_FRAME_SYNC; + } + + return true; +} + +FLAC__bool read_metadata_streaminfo_(FLAC__StreamDecoder *decoder, FLAC__bool is_last, uint32_t length) +{ + FLAC__uint32 x; + uint32_t bits, used_bits = 0; + + FLAC__ASSERT(FLAC__bitreader_is_consumed_byte_aligned(decoder->private_->input)); + + decoder->private_->stream_info.type = FLAC__METADATA_TYPE_STREAMINFO; + decoder->private_->stream_info.is_last = is_last; + decoder->private_->stream_info.length = length; + + bits = FLAC__STREAM_METADATA_STREAMINFO_MIN_BLOCK_SIZE_LEN; + if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &x, bits)) + return false; /* read_callback_ sets the state for us */ + decoder->private_->stream_info.data.stream_info.min_blocksize = x; + used_bits += bits; + + bits = FLAC__STREAM_METADATA_STREAMINFO_MAX_BLOCK_SIZE_LEN; + if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &x, FLAC__STREAM_METADATA_STREAMINFO_MAX_BLOCK_SIZE_LEN)) + return false; /* read_callback_ sets the state for us */ + decoder->private_->stream_info.data.stream_info.max_blocksize = x; + used_bits += bits; + + bits = FLAC__STREAM_METADATA_STREAMINFO_MIN_FRAME_SIZE_LEN; + if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &x, FLAC__STREAM_METADATA_STREAMINFO_MIN_FRAME_SIZE_LEN)) + return false; /* read_callback_ sets the state for us */ + decoder->private_->stream_info.data.stream_info.min_framesize = x; + used_bits += bits; + + bits = FLAC__STREAM_METADATA_STREAMINFO_MAX_FRAME_SIZE_LEN; + if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &x, FLAC__STREAM_METADATA_STREAMINFO_MAX_FRAME_SIZE_LEN)) + return false; /* read_callback_ sets the state for us */ + decoder->private_->stream_info.data.stream_info.max_framesize = x; + used_bits += bits; + + bits = FLAC__STREAM_METADATA_STREAMINFO_SAMPLE_RATE_LEN; + if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &x, FLAC__STREAM_METADATA_STREAMINFO_SAMPLE_RATE_LEN)) + return false; /* read_callback_ sets the state for us */ + decoder->private_->stream_info.data.stream_info.sample_rate = x; + used_bits += bits; + + bits = FLAC__STREAM_METADATA_STREAMINFO_CHANNELS_LEN; + if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &x, FLAC__STREAM_METADATA_STREAMINFO_CHANNELS_LEN)) + return false; /* read_callback_ sets the state for us */ + decoder->private_->stream_info.data.stream_info.channels = x+1; + used_bits += bits; + + bits = FLAC__STREAM_METADATA_STREAMINFO_BITS_PER_SAMPLE_LEN; + if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &x, FLAC__STREAM_METADATA_STREAMINFO_BITS_PER_SAMPLE_LEN)) + return false; /* read_callback_ sets the state for us */ + decoder->private_->stream_info.data.stream_info.bits_per_sample = x+1; + used_bits += bits; + + bits = FLAC__STREAM_METADATA_STREAMINFO_TOTAL_SAMPLES_LEN; + if(!FLAC__bitreader_read_raw_uint64(decoder->private_->input, &decoder->private_->stream_info.data.stream_info.total_samples, FLAC__STREAM_METADATA_STREAMINFO_TOTAL_SAMPLES_LEN)) + return false; /* read_callback_ sets the state for us */ + used_bits += bits; + + if(!FLAC__bitreader_read_byte_block_aligned_no_crc(decoder->private_->input, decoder->private_->stream_info.data.stream_info.md5sum, 16)) + return false; /* read_callback_ sets the state for us */ + used_bits += 16*8; + + /* skip the rest of the block */ + FLAC__ASSERT(used_bits % 8 == 0); + if (length < (used_bits / 8)) + return false; /* read_callback_ sets the state for us */ + length -= (used_bits / 8); + if(!FLAC__bitreader_skip_byte_block_aligned_no_crc(decoder->private_->input, length)) + return false; /* read_callback_ sets the state for us */ + + return true; +} + +FLAC__bool read_metadata_seektable_(FLAC__StreamDecoder *decoder, FLAC__bool is_last, uint32_t length) +{ + FLAC__uint32 i, x; + FLAC__uint64 xx; + + FLAC__ASSERT(FLAC__bitreader_is_consumed_byte_aligned(decoder->private_->input)); + + decoder->private_->seek_table.type = FLAC__METADATA_TYPE_SEEKTABLE; + decoder->private_->seek_table.is_last = is_last; + decoder->private_->seek_table.length = length; + + if(length % FLAC__STREAM_METADATA_SEEKPOINT_LENGTH) { + FLAC__bitreader_limit_invalidate(decoder->private_->input); + return false; + } + + decoder->private_->seek_table.data.seek_table.num_points = length / FLAC__STREAM_METADATA_SEEKPOINT_LENGTH; + + /* use realloc since we may pass through here several times (e.g. after seeking) */ + if(0 == (decoder->private_->seek_table.data.seek_table.points = safe_realloc_mul_2op_(decoder->private_->seek_table.data.seek_table.points, decoder->private_->seek_table.data.seek_table.num_points, /*times*/sizeof(FLAC__StreamMetadata_SeekPoint)))) { + decoder->protected_->state = FLAC__STREAM_DECODER_MEMORY_ALLOCATION_ERROR; + return false; + } + for(i = 0; i < decoder->private_->seek_table.data.seek_table.num_points; i++) { + if(!FLAC__bitreader_read_raw_uint64(decoder->private_->input, &xx, FLAC__STREAM_METADATA_SEEKPOINT_SAMPLE_NUMBER_LEN)) + return false; /* read_callback_ sets the state for us */ + decoder->private_->seek_table.data.seek_table.points[i].sample_number = xx; + + if(!FLAC__bitreader_read_raw_uint64(decoder->private_->input, &xx, FLAC__STREAM_METADATA_SEEKPOINT_STREAM_OFFSET_LEN)) + return false; /* read_callback_ sets the state for us */ + decoder->private_->seek_table.data.seek_table.points[i].stream_offset = xx; + + if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &x, FLAC__STREAM_METADATA_SEEKPOINT_FRAME_SAMPLES_LEN)) + return false; /* read_callback_ sets the state for us */ + decoder->private_->seek_table.data.seek_table.points[i].frame_samples = x; + } + length -= (decoder->private_->seek_table.data.seek_table.num_points * FLAC__STREAM_METADATA_SEEKPOINT_LENGTH); + + FLAC__ASSERT(length == 0); + + return true; +} + +FLAC__bool read_metadata_vorbiscomment_(FLAC__StreamDecoder *decoder, FLAC__StreamMetadata_VorbisComment *obj, uint32_t length) +{ + FLAC__uint32 i; + + FLAC__ASSERT(FLAC__bitreader_is_consumed_byte_aligned(decoder->private_->input)); + + /* read vendor string */ + if (length >= 8) { + length -= 8; /* vendor string length + num comments entries alone take 8 bytes */ + FLAC__ASSERT(FLAC__STREAM_METADATA_VORBIS_COMMENT_ENTRY_LENGTH_LEN == 32); + if (!FLAC__bitreader_read_uint32_little_endian(decoder->private_->input, &obj->vendor_string.length)) + return false; /* read_callback_ sets the state for us */ + if (length < obj->vendor_string.length) { + obj->vendor_string.length = 0; + obj->vendor_string.entry = 0; + goto skip; + } + else + length -= obj->vendor_string.length; + if (0 == (obj->vendor_string.entry = safe_malloc_add_2op_(obj->vendor_string.length, /*+*/1))) { + decoder->protected_->state = FLAC__STREAM_DECODER_MEMORY_ALLOCATION_ERROR; + return false; + } + if (!FLAC__bitreader_read_byte_block_aligned_no_crc(decoder->private_->input, obj->vendor_string.entry, obj->vendor_string.length)) + return false; /* read_callback_ sets the state for us */ + obj->vendor_string.entry[obj->vendor_string.length] = '\0'; + + /* read num comments */ + FLAC__ASSERT(FLAC__STREAM_METADATA_VORBIS_COMMENT_NUM_COMMENTS_LEN == 32); + if (!FLAC__bitreader_read_uint32_little_endian(decoder->private_->input, &obj->num_comments)) + return false; /* read_callback_ sets the state for us */ + + /* read comments */ + if (obj->num_comments > 100000) { + /* Possibly malicious file. */ + obj->num_comments = 0; + return false; + } + if (obj->num_comments > 0) { + if (0 == (obj->comments = safe_malloc_mul_2op_p(obj->num_comments, /*times*/sizeof(FLAC__StreamMetadata_VorbisComment_Entry)))) { + obj->num_comments = 0; + decoder->protected_->state = FLAC__STREAM_DECODER_MEMORY_ALLOCATION_ERROR; + return false; + } + for (i = 0; i < obj->num_comments; i++) { + /* Initialize here just to make sure. */ + obj->comments[i].length = 0; + obj->comments[i].entry = 0; + + FLAC__ASSERT(FLAC__STREAM_METADATA_VORBIS_COMMENT_ENTRY_LENGTH_LEN == 32); + if (length < 4) { + obj->num_comments = i; + goto skip; + } + else + length -= 4; + if (!FLAC__bitreader_read_uint32_little_endian(decoder->private_->input, &obj->comments[i].length)) { + obj->num_comments = i; + return false; /* read_callback_ sets the state for us */ + } + if (length < obj->comments[i].length) { + obj->num_comments = i; + FLAC__bitreader_limit_invalidate(decoder->private_->input); + return false; + } + else + length -= obj->comments[i].length; + if (0 == (obj->comments[i].entry = safe_malloc_add_2op_(obj->comments[i].length, /*+*/1))) { + decoder->protected_->state = FLAC__STREAM_DECODER_MEMORY_ALLOCATION_ERROR; + obj->num_comments = i; + return false; + } + memset (obj->comments[i].entry, 0, obj->comments[i].length) ; + if (!FLAC__bitreader_read_byte_block_aligned_no_crc(decoder->private_->input, obj->comments[i].entry, obj->comments[i].length)) { + /* Current i-th entry is bad, so we delete it. */ + free (obj->comments[i].entry) ; + obj->comments[i].entry = NULL ; + obj->num_comments = i; + goto skip; + } + obj->comments[i].entry[obj->comments[i].length] = '\0'; + } + } + } + else { + FLAC__bitreader_limit_invalidate(decoder->private_->input); + return false; + } + + skip: + if (length > 0) { + /* length > 0 can only happen on files with invalid data in comments */ + if(obj->num_comments < 1) { + free(obj->comments); + obj->comments = NULL; + } + FLAC__bitreader_limit_invalidate(decoder->private_->input); + return false; + } + + return true; +} + +FLAC__bool read_metadata_cuesheet_(FLAC__StreamDecoder *decoder, FLAC__StreamMetadata_CueSheet *obj) +{ + FLAC__uint32 i, j, x; + + FLAC__ASSERT(FLAC__bitreader_is_consumed_byte_aligned(decoder->private_->input)); + + memset(obj, 0, sizeof(FLAC__StreamMetadata_CueSheet)); + + FLAC__ASSERT(FLAC__STREAM_METADATA_CUESHEET_MEDIA_CATALOG_NUMBER_LEN % 8 == 0); + if(!FLAC__bitreader_read_byte_block_aligned_no_crc(decoder->private_->input, (FLAC__byte*)obj->media_catalog_number, FLAC__STREAM_METADATA_CUESHEET_MEDIA_CATALOG_NUMBER_LEN/8)) + return false; /* read_callback_ sets the state for us */ + + if(!FLAC__bitreader_read_raw_uint64(decoder->private_->input, &obj->lead_in, FLAC__STREAM_METADATA_CUESHEET_LEAD_IN_LEN)) + return false; /* read_callback_ sets the state for us */ + + if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &x, FLAC__STREAM_METADATA_CUESHEET_IS_CD_LEN)) + return false; /* read_callback_ sets the state for us */ + obj->is_cd = x? true : false; + + if(!FLAC__bitreader_skip_bits_no_crc(decoder->private_->input, FLAC__STREAM_METADATA_CUESHEET_RESERVED_LEN)) + return false; /* read_callback_ sets the state for us */ + + if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &x, FLAC__STREAM_METADATA_CUESHEET_NUM_TRACKS_LEN)) + return false; /* read_callback_ sets the state for us */ + obj->num_tracks = x; + + if(obj->num_tracks > 0) { + if(0 == (obj->tracks = safe_calloc_(obj->num_tracks, sizeof(FLAC__StreamMetadata_CueSheet_Track)))) { + decoder->protected_->state = FLAC__STREAM_DECODER_MEMORY_ALLOCATION_ERROR; + return false; + } + for(i = 0; i < obj->num_tracks; i++) { + FLAC__StreamMetadata_CueSheet_Track *track = &obj->tracks[i]; + if(!FLAC__bitreader_read_raw_uint64(decoder->private_->input, &track->offset, FLAC__STREAM_METADATA_CUESHEET_TRACK_OFFSET_LEN)) + return false; /* read_callback_ sets the state for us */ + + if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &x, FLAC__STREAM_METADATA_CUESHEET_TRACK_NUMBER_LEN)) + return false; /* read_callback_ sets the state for us */ + track->number = (FLAC__byte)x; + + FLAC__ASSERT(FLAC__STREAM_METADATA_CUESHEET_TRACK_ISRC_LEN % 8 == 0); + if(!FLAC__bitreader_read_byte_block_aligned_no_crc(decoder->private_->input, (FLAC__byte*)track->isrc, FLAC__STREAM_METADATA_CUESHEET_TRACK_ISRC_LEN/8)) + return false; /* read_callback_ sets the state for us */ + + if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &x, FLAC__STREAM_METADATA_CUESHEET_TRACK_TYPE_LEN)) + return false; /* read_callback_ sets the state for us */ + track->type = x; + + if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &x, FLAC__STREAM_METADATA_CUESHEET_TRACK_PRE_EMPHASIS_LEN)) + return false; /* read_callback_ sets the state for us */ + track->pre_emphasis = x; + + if(!FLAC__bitreader_skip_bits_no_crc(decoder->private_->input, FLAC__STREAM_METADATA_CUESHEET_TRACK_RESERVED_LEN)) + return false; /* read_callback_ sets the state for us */ + + if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &x, FLAC__STREAM_METADATA_CUESHEET_TRACK_NUM_INDICES_LEN)) + return false; /* read_callback_ sets the state for us */ + track->num_indices = (FLAC__byte)x; + + if(track->num_indices > 0) { + if(0 == (track->indices = safe_calloc_(track->num_indices, sizeof(FLAC__StreamMetadata_CueSheet_Index)))) { + decoder->protected_->state = FLAC__STREAM_DECODER_MEMORY_ALLOCATION_ERROR; + return false; + } + for(j = 0; j < track->num_indices; j++) { + FLAC__StreamMetadata_CueSheet_Index *indx = &track->indices[j]; + if(!FLAC__bitreader_read_raw_uint64(decoder->private_->input, &indx->offset, FLAC__STREAM_METADATA_CUESHEET_INDEX_OFFSET_LEN)) + return false; /* read_callback_ sets the state for us */ + + if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &x, FLAC__STREAM_METADATA_CUESHEET_INDEX_NUMBER_LEN)) + return false; /* read_callback_ sets the state for us */ + indx->number = (FLAC__byte)x; + + if(!FLAC__bitreader_skip_bits_no_crc(decoder->private_->input, FLAC__STREAM_METADATA_CUESHEET_INDEX_RESERVED_LEN)) + return false; /* read_callback_ sets the state for us */ + } + } + } + } + else { /* obj->num_tracks == 0 */ + FLAC__bitreader_limit_invalidate(decoder->private_->input); + return false; + } + + return true; +} + +FLAC__bool read_metadata_picture_(FLAC__StreamDecoder *decoder, FLAC__StreamMetadata_Picture *obj) +{ + FLAC__uint32 x; + + FLAC__ASSERT(FLAC__bitreader_is_consumed_byte_aligned(decoder->private_->input)); + + /* read type */ + if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &x, FLAC__STREAM_METADATA_PICTURE_TYPE_LEN)) + return false; /* read_callback_ sets the state for us */ + if(x < FLAC__STREAM_METADATA_PICTURE_TYPE_UNDEFINED) + obj->type = x; + else + obj->type = FLAC__STREAM_METADATA_PICTURE_TYPE_OTHER; + + /* read MIME type */ + if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &x, FLAC__STREAM_METADATA_PICTURE_MIME_TYPE_LENGTH_LEN)) + return false; /* read_callback_ sets the state for us */ + if(FLAC__bitreader_limit_remaining(decoder->private_->input) < x){ + FLAC__bitreader_limit_invalidate(decoder->private_->input); + return false; + } + if(0 == (obj->mime_type = safe_malloc_add_2op_(x, /*+*/1))) { + decoder->protected_->state = FLAC__STREAM_DECODER_MEMORY_ALLOCATION_ERROR; + return false; + } + if(x > 0) { + if(!FLAC__bitreader_read_byte_block_aligned_no_crc(decoder->private_->input, (FLAC__byte*)obj->mime_type, x)) + return false; /* read_callback_ sets the state for us */ + } + obj->mime_type[x] = '\0'; + + /* read description */ + if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &x, FLAC__STREAM_METADATA_PICTURE_DESCRIPTION_LENGTH_LEN)) + return false; /* read_callback_ sets the state for us */ + if(FLAC__bitreader_limit_remaining(decoder->private_->input) < x){ + FLAC__bitreader_limit_invalidate(decoder->private_->input); + return false; + } + if(0 == (obj->description = safe_malloc_add_2op_(x, /*+*/1))) { + decoder->protected_->state = FLAC__STREAM_DECODER_MEMORY_ALLOCATION_ERROR; + return false; + } + if(x > 0) { + if(!FLAC__bitreader_read_byte_block_aligned_no_crc(decoder->private_->input, obj->description, x)) + return false; /* read_callback_ sets the state for us */ + } + obj->description[x] = '\0'; + + /* read width */ + if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &obj->width, FLAC__STREAM_METADATA_PICTURE_WIDTH_LEN)) + return false; /* read_callback_ sets the state for us */ + + /* read height */ + if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &obj->height, FLAC__STREAM_METADATA_PICTURE_HEIGHT_LEN)) + return false; /* read_callback_ sets the state for us */ + + /* read depth */ + if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &obj->depth, FLAC__STREAM_METADATA_PICTURE_DEPTH_LEN)) + return false; /* read_callback_ sets the state for us */ + + /* read colors */ + if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &obj->colors, FLAC__STREAM_METADATA_PICTURE_COLORS_LEN)) + return false; /* read_callback_ sets the state for us */ + + /* read data */ + if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &(obj->data_length), FLAC__STREAM_METADATA_PICTURE_DATA_LENGTH_LEN)) + return false; /* read_callback_ sets the state for us */ + if(FLAC__bitreader_limit_remaining(decoder->private_->input) < obj->data_length){ + FLAC__bitreader_limit_invalidate(decoder->private_->input); + return false; + } + if(0 == (obj->data = safe_malloc_(obj->data_length))) { + decoder->protected_->state = FLAC__STREAM_DECODER_MEMORY_ALLOCATION_ERROR; + return false; + } + if(obj->data_length > 0) { + if(!FLAC__bitreader_read_byte_block_aligned_no_crc(decoder->private_->input, obj->data, obj->data_length)) + return false; /* read_callback_ sets the state for us */ + } + + return true; +} + +FLAC__bool skip_id3v2_tag_(FLAC__StreamDecoder *decoder) +{ + FLAC__uint32 x; + uint32_t i, skip; + + /* skip the version and flags bytes */ + if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &x, 24)) + return false; /* read_callback_ sets the state for us */ + /* get the size (in bytes) to skip */ + skip = 0; + for(i = 0; i < 4; i++) { + if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &x, 8)) + return false; /* read_callback_ sets the state for us */ + skip <<= 7; + skip |= (x & 0x7f); + } + /* skip the rest of the tag */ + if(!FLAC__bitreader_skip_byte_block_aligned_no_crc(decoder->private_->input, skip)) + return false; /* read_callback_ sets the state for us */ + return true; +} + +FLAC__bool frame_sync_(FLAC__StreamDecoder *decoder) +{ + FLAC__uint32 x; + FLAC__bool first = true; + + /* make sure we're byte aligned */ + if(!FLAC__bitreader_is_consumed_byte_aligned(decoder->private_->input)) { + if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &x, FLAC__bitreader_bits_left_for_byte_alignment(decoder->private_->input))) + return false; /* read_callback_ sets the state for us */ + } + + while(1) { + if(decoder->private_->cached) { + x = (FLAC__uint32)decoder->private_->lookahead; + decoder->private_->cached = false; + } + else { + if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &x, 8)) + return false; /* read_callback_ sets the state for us */ + } + if(x == 0xff) { /* MAGIC NUMBER for the first 8 frame sync bits */ + decoder->private_->header_warmup[0] = (FLAC__byte)x; + if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &x, 8)) + return false; /* read_callback_ sets the state for us */ + + /* we have to check if we just read two 0xff's in a row; the second may actually be the beginning of the sync code */ + /* else we have to check if the second byte is the end of a sync code */ + if(x == 0xff) { /* MAGIC NUMBER for the first 8 frame sync bits */ + decoder->private_->lookahead = (FLAC__byte)x; + decoder->private_->cached = true; + } + else if(x >> 1 == 0x7c) { /* MAGIC NUMBER for the last 6 sync bits and reserved 7th bit */ + decoder->private_->header_warmup[1] = (FLAC__byte)x; + decoder->protected_->state = FLAC__STREAM_DECODER_READ_FRAME; + + /* Save location so we can rewind in case the frame turns + * out to be invalid after the header */ + FLAC__bitreader_set_framesync_location(decoder->private_->input); + if(!FLAC__stream_decoder_get_decode_position(decoder, &decoder->private_->last_seen_framesync)) + decoder->private_->last_seen_framesync = 0; + return true; + } + } + if(first) { + send_error_to_client_(decoder, FLAC__STREAM_DECODER_ERROR_STATUS_LOST_SYNC); + first = false; + } + } + + return true; +} + +FLAC__bool read_frame_(FLAC__StreamDecoder *decoder, FLAC__bool *got_a_frame, FLAC__bool do_full_decode) +{ + uint32_t channel; + uint32_t i; + uint32_t frame_crc; /* the one we calculate from the input stream */ + FLAC__uint32 x; + + *got_a_frame = false; + decoder->private_->side_subframe_in_use = false; + + /* init the CRC */ + frame_crc = 0; + frame_crc = FLAC__CRC16_UPDATE(decoder->private_->header_warmup[0], frame_crc); + frame_crc = FLAC__CRC16_UPDATE(decoder->private_->header_warmup[1], frame_crc); + FLAC__bitreader_reset_read_crc16(decoder->private_->input, (FLAC__uint16)frame_crc); + + if(!read_frame_header_(decoder)) + return false; + if(decoder->protected_->state == FLAC__STREAM_DECODER_SEARCH_FOR_FRAME_SYNC) /* means we didn't sync on a valid header */ + return true; + if(!allocate_output_(decoder, decoder->private_->frame.header.blocksize, decoder->private_->frame.header.channels, decoder->private_->frame.header.bits_per_sample)) + return false; + for(channel = 0; channel < decoder->private_->frame.header.channels; channel++) { + /* + * first figure the correct bits-per-sample of the subframe + */ + uint32_t bps = decoder->private_->frame.header.bits_per_sample; + switch(decoder->private_->frame.header.channel_assignment) { + case FLAC__CHANNEL_ASSIGNMENT_INDEPENDENT: + /* no adjustment needed */ + break; + case FLAC__CHANNEL_ASSIGNMENT_LEFT_SIDE: + FLAC__ASSERT(decoder->private_->frame.header.channels == 2); + if(channel == 1) + bps++; + break; + case FLAC__CHANNEL_ASSIGNMENT_RIGHT_SIDE: + FLAC__ASSERT(decoder->private_->frame.header.channels == 2); + if(channel == 0) + bps++; + break; + case FLAC__CHANNEL_ASSIGNMENT_MID_SIDE: + FLAC__ASSERT(decoder->private_->frame.header.channels == 2); + if(channel == 1) + bps++; + break; + default: + FLAC__ASSERT(0); + } + /* + * now read it + */ + if(!read_subframe_(decoder, channel, bps, do_full_decode)){ + /* read_callback_ sets the state for us */ + if(decoder->protected_->state == FLAC__STREAM_DECODER_END_OF_STREAM) + break; + else + return false; + } + if(decoder->protected_->state != FLAC__STREAM_DECODER_READ_FRAME) + break; + } + + if(decoder->protected_->state != FLAC__STREAM_DECODER_END_OF_STREAM) + if(!read_zero_padding_(decoder)) + return false; + + /* + * Read the frame CRC-16 from the footer and check + */ + if(decoder->protected_->state == FLAC__STREAM_DECODER_READ_FRAME) { + frame_crc = FLAC__bitreader_get_read_crc16(decoder->private_->input); + if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &x, FLAC__FRAME_FOOTER_CRC_LEN)) { + /* read_callback_ sets the state for us */ + if(decoder->protected_->state != FLAC__STREAM_DECODER_END_OF_STREAM) + return false; + } +#ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION + } + if(decoder->protected_->state == FLAC__STREAM_DECODER_READ_FRAME && frame_crc == x) { +#endif + if(do_full_decode) { + /* Undo any special channel coding */ + undo_channel_coding(decoder); + /* Check whether decoded data actually fits bps */ + for(channel = 0; channel < decoder->private_->frame.header.channels; channel++) { + for(i = 0; i < decoder->private_->frame.header.blocksize; i++) { + int shift_bits = 32 - decoder->private_->frame.header.bits_per_sample; + /* Check whether shift_bits MSBs are 'empty' by shifting up and down */ + if((decoder->private_->output[channel][i] < (INT32_MIN >> shift_bits)) || + (decoder->private_->output[channel][i] > (INT32_MAX >> shift_bits))) { + /* Bad frame, emit error */ + send_error_to_client_(decoder, FLAC__STREAM_DECODER_ERROR_STATUS_FRAME_CRC_MISMATCH); + decoder->protected_->state = FLAC__STREAM_DECODER_SEARCH_FOR_FRAME_SYNC; + break; + } + } + } + } + } +#ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION + else if (decoder->protected_->state == FLAC__STREAM_DECODER_READ_FRAME) { + /* Bad frame, emit error */ + send_error_to_client_(decoder, FLAC__STREAM_DECODER_ERROR_STATUS_FRAME_CRC_MISMATCH); + decoder->protected_->state = FLAC__STREAM_DECODER_SEARCH_FOR_FRAME_SYNC; + } +#endif + + /* Check whether frames are missing, if so, add silence to compensate */ + if(decoder->private_->last_frame_is_set && decoder->protected_->state == FLAC__STREAM_DECODER_READ_FRAME && !decoder->private_->is_seeking && do_full_decode) { + FLAC__ASSERT(decoder->private_->frame.header.number_type == FLAC__FRAME_NUMBER_TYPE_SAMPLE_NUMBER); + FLAC__ASSERT(decoder->private_->last_frame.header.number_type == FLAC__FRAME_NUMBER_TYPE_SAMPLE_NUMBER); + if(decoder->private_->last_frame.header.number.sample_number + decoder->private_->last_frame.header.blocksize < decoder->private_->frame.header.number.sample_number) { + uint32_t padding_samples_needed = decoder->private_->frame.header.number.sample_number - (decoder->private_->last_frame.header.number.sample_number + decoder->private_->last_frame.header.blocksize); + + /* Do some extra validation to assure last frame an current frame + * header are both valid before adding silence inbetween + * Technically both frames could be valid with differing sample_rates, + * channels and bits_per_sample, but it is quite rare */ + if(decoder->private_->last_frame.header.sample_rate == decoder->private_->frame.header.sample_rate && + decoder->private_->last_frame.header.channels == decoder->private_->frame.header.channels && + decoder->private_->last_frame.header.bits_per_sample == decoder->private_->frame.header.bits_per_sample && + decoder->private_->last_frame.header.blocksize >= 16) { + FLAC__Frame empty_frame; + FLAC__int32 * empty_buffer[FLAC__MAX_CHANNELS] = {NULL}; + empty_frame.header = decoder->private_->last_frame.header; + empty_frame.footer.crc = 0; + for(i = 0; i < empty_frame.header.channels; i++) { + empty_buffer[i] = safe_calloc_(empty_frame.header.blocksize, sizeof(FLAC__int32)); + if(empty_buffer[i] == NULL) { + for(i = 0; i < empty_frame.header.channels; i++) + if(empty_buffer[i] != NULL) + free(empty_buffer[i]); + decoder->protected_->state = FLAC__STREAM_DECODER_MEMORY_ALLOCATION_ERROR; + return false; + } + } + /* No repairs larger than 5 seconds or 50 frames are made, to not + * unexpectedly create enormous files when one of the headers was + * corrupt after all */ + if(padding_samples_needed > (5*empty_frame.header.sample_rate)) + padding_samples_needed = 5*empty_frame.header.sample_rate; + if(padding_samples_needed > (50*empty_frame.header.blocksize)) + padding_samples_needed = 50*empty_frame.header.blocksize; + while(padding_samples_needed){ + empty_frame.header.number.sample_number += empty_frame.header.blocksize; + if(padding_samples_needed < empty_frame.header.blocksize) + empty_frame.header.blocksize = padding_samples_needed; + padding_samples_needed -= empty_frame.header.blocksize; + decoder->protected_->blocksize = empty_frame.header.blocksize; + + FLAC__ASSERT(empty_frame.header.number_type == FLAC__FRAME_NUMBER_TYPE_SAMPLE_NUMBER); + decoder->private_->samples_decoded = empty_frame.header.number.sample_number + empty_frame.header.blocksize; + + for(channel = 0; channel < empty_frame.header.channels; channel++) { + empty_frame.subframes[channel].type = FLAC__SUBFRAME_TYPE_CONSTANT; + empty_frame.subframes[channel].data.constant.value = 0; + empty_frame.subframes[channel].wasted_bits = 0; + } + + if(write_audio_frame_to_client_(decoder, &empty_frame, (const FLAC__int32 * const *)empty_buffer) != FLAC__STREAM_DECODER_WRITE_STATUS_CONTINUE) { + decoder->protected_->state = FLAC__STREAM_DECODER_ABORTED; + for(i = 0; i < empty_frame.header.channels; i++) + if(empty_buffer[i] != NULL) + free(empty_buffer[i]); + return false; + } + } + for(i = 0; i < empty_frame.header.channels; i++) + if(empty_buffer[i] != NULL) + free(empty_buffer[i]); + + } + } + } + + if(decoder->protected_->state == FLAC__STREAM_DECODER_SEARCH_FOR_FRAME_SYNC || decoder->protected_->state == FLAC__STREAM_DECODER_END_OF_STREAM) { + /* Got corruption, rewind if possible. Return value of seek + * isn't checked, if the seek fails the decoder will continue anyway */ + if(!FLAC__bitreader_rewind_to_after_last_seen_framesync(decoder->private_->input)){ +#ifndef NDEBUG + fprintf(stderr, "Rewinding, seeking necessary\n"); +#endif + if(decoder->private_->seek_callback && decoder->private_->last_seen_framesync){ + /* Last framesync isn't in bitreader anymore, rewind with seek if possible */ +#ifndef NDEBUG + FLAC__uint64 current_decode_position; + if(FLAC__stream_decoder_get_decode_position(decoder, ¤t_decode_position)) + fprintf(stderr, "Bitreader was %" PRIu64 " bytes short\n", current_decode_position-decoder->private_->last_seen_framesync); +#endif + if(decoder->private_->seek_callback(decoder, decoder->private_->last_seen_framesync, decoder->private_->client_data) == FLAC__STREAM_DECODER_SEEK_STATUS_ERROR) { + decoder->protected_->state = FLAC__STREAM_DECODER_SEEK_ERROR; + return false; + } + if(!FLAC__bitreader_clear(decoder->private_->input)) { + decoder->protected_->state = FLAC__STREAM_DECODER_MEMORY_ALLOCATION_ERROR; + return false; + } + } + } +#ifndef NDEBUG + else{ + fprintf(stderr, "Rewinding, seeking not necessary\n"); + } +#endif + } + else { + *got_a_frame = true; + + /* we wait to update fixed_block_size until here, when we're sure we've got a proper frame and hence a correct blocksize */ + if(decoder->private_->next_fixed_block_size) + decoder->private_->fixed_block_size = decoder->private_->next_fixed_block_size; + + /* put the latest values into the public section of the decoder instance */ + decoder->protected_->channels = decoder->private_->frame.header.channels; + decoder->protected_->channel_assignment = decoder->private_->frame.header.channel_assignment; + decoder->protected_->bits_per_sample = decoder->private_->frame.header.bits_per_sample; + decoder->protected_->sample_rate = decoder->private_->frame.header.sample_rate; + decoder->protected_->blocksize = decoder->private_->frame.header.blocksize; + + FLAC__ASSERT(decoder->private_->frame.header.number_type == FLAC__FRAME_NUMBER_TYPE_SAMPLE_NUMBER); + decoder->private_->samples_decoded = decoder->private_->frame.header.number.sample_number + decoder->private_->frame.header.blocksize; + + /* write it */ + if(do_full_decode) { + if(write_audio_frame_to_client_(decoder, &decoder->private_->frame, (const FLAC__int32 * const *)decoder->private_->output) != FLAC__STREAM_DECODER_WRITE_STATUS_CONTINUE) { + decoder->protected_->state = FLAC__STREAM_DECODER_ABORTED; + return false; + } + } + } + + decoder->protected_->state = FLAC__STREAM_DECODER_SEARCH_FOR_FRAME_SYNC; + return true; +} + +FLAC__bool read_frame_header_(FLAC__StreamDecoder *decoder) +{ + FLAC__uint32 x; + FLAC__uint64 xx; + uint32_t i, blocksize_hint = 0, sample_rate_hint = 0; + FLAC__byte crc8, raw_header[16]; /* MAGIC NUMBER based on the maximum frame header size, including CRC */ + uint32_t raw_header_len; + FLAC__bool is_unparseable = false; + + FLAC__ASSERT(FLAC__bitreader_is_consumed_byte_aligned(decoder->private_->input)); + + /* init the raw header with the saved bits from synchronization */ + raw_header[0] = decoder->private_->header_warmup[0]; + raw_header[1] = decoder->private_->header_warmup[1]; + raw_header_len = 2; + + /* check to make sure that reserved bit is 0 */ + if(raw_header[1] & 0x02) /* MAGIC NUMBER */ + is_unparseable = true; + + /* + * Note that along the way as we read the header, we look for a sync + * code inside. If we find one it would indicate that our original + * sync was bad since there cannot be a sync code in a valid header. + * + * Three kinds of things can go wrong when reading the frame header: + * 1) We may have sync'ed incorrectly and not landed on a frame header. + * If we don't find a sync code, it can end up looking like we read + * a valid but unparseable header, until getting to the frame header + * CRC. Even then we could get a false positive on the CRC. + * 2) We may have sync'ed correctly but on an unparseable frame (from a + * future encoder). + * 3) We may be on a damaged frame which appears valid but unparseable. + * + * For all these reasons, we try and read a complete frame header as + * long as it seems valid, even if unparseable, up until the frame + * header CRC. + */ + + /* + * read in the raw header as bytes so we can CRC it, and parse it on the way + */ + for(i = 0; i < 2; i++) { + if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &x, 8)) + return false; /* read_callback_ sets the state for us */ + if(x == 0xff) { /* MAGIC NUMBER for the first 8 frame sync bits */ + /* if we get here it means our original sync was erroneous since the sync code cannot appear in the header */ + decoder->private_->lookahead = (FLAC__byte)x; + decoder->private_->cached = true; + send_error_to_client_(decoder, FLAC__STREAM_DECODER_ERROR_STATUS_BAD_HEADER); + decoder->protected_->state = FLAC__STREAM_DECODER_SEARCH_FOR_FRAME_SYNC; + return true; + } + raw_header[raw_header_len++] = (FLAC__byte)x; + } + + switch(x = raw_header[2] >> 4) { + case 0: + is_unparseable = true; + break; + case 1: + decoder->private_->frame.header.blocksize = 192; + break; + case 2: + case 3: + case 4: + case 5: + decoder->private_->frame.header.blocksize = 576 << (x-2); + break; + case 6: + case 7: + blocksize_hint = x; + break; + case 8: + case 9: + case 10: + case 11: + case 12: + case 13: + case 14: + case 15: + decoder->private_->frame.header.blocksize = 256 << (x-8); + break; + default: + FLAC__ASSERT(0); + break; + } + + switch(x = raw_header[2] & 0x0f) { + case 0: + if(decoder->private_->has_stream_info) + decoder->private_->frame.header.sample_rate = decoder->private_->stream_info.data.stream_info.sample_rate; + else + is_unparseable = true; + break; + case 1: + decoder->private_->frame.header.sample_rate = 88200; + break; + case 2: + decoder->private_->frame.header.sample_rate = 176400; + break; + case 3: + decoder->private_->frame.header.sample_rate = 192000; + break; + case 4: + decoder->private_->frame.header.sample_rate = 8000; + break; + case 5: + decoder->private_->frame.header.sample_rate = 16000; + break; + case 6: + decoder->private_->frame.header.sample_rate = 22050; + break; + case 7: + decoder->private_->frame.header.sample_rate = 24000; + break; + case 8: + decoder->private_->frame.header.sample_rate = 32000; + break; + case 9: + decoder->private_->frame.header.sample_rate = 44100; + break; + case 10: + decoder->private_->frame.header.sample_rate = 48000; + break; + case 11: + decoder->private_->frame.header.sample_rate = 96000; + break; + case 12: + case 13: + case 14: + sample_rate_hint = x; + break; + case 15: + send_error_to_client_(decoder, FLAC__STREAM_DECODER_ERROR_STATUS_BAD_HEADER); + decoder->protected_->state = FLAC__STREAM_DECODER_SEARCH_FOR_FRAME_SYNC; + return true; + default: + FLAC__ASSERT(0); + } + + x = (uint32_t)(raw_header[3] >> 4); + if(x & 8) { + decoder->private_->frame.header.channels = 2; + switch(x & 7) { + case 0: + decoder->private_->frame.header.channel_assignment = FLAC__CHANNEL_ASSIGNMENT_LEFT_SIDE; + break; + case 1: + decoder->private_->frame.header.channel_assignment = FLAC__CHANNEL_ASSIGNMENT_RIGHT_SIDE; + break; + case 2: + decoder->private_->frame.header.channel_assignment = FLAC__CHANNEL_ASSIGNMENT_MID_SIDE; + break; + default: + is_unparseable = true; + break; + } + } + else { + decoder->private_->frame.header.channels = (uint32_t)x + 1; + decoder->private_->frame.header.channel_assignment = FLAC__CHANNEL_ASSIGNMENT_INDEPENDENT; + } + + switch(x = (uint32_t)(raw_header[3] & 0x0e) >> 1) { + case 0: + if(decoder->private_->has_stream_info) + decoder->private_->frame.header.bits_per_sample = decoder->private_->stream_info.data.stream_info.bits_per_sample; + else + is_unparseable = true; + break; + case 1: + decoder->private_->frame.header.bits_per_sample = 8; + break; + case 2: + decoder->private_->frame.header.bits_per_sample = 12; + break; + case 3: + is_unparseable = true; + break; + case 4: + decoder->private_->frame.header.bits_per_sample = 16; + break; + case 5: + decoder->private_->frame.header.bits_per_sample = 20; + break; + case 6: + decoder->private_->frame.header.bits_per_sample = 24; + break; + case 7: + decoder->private_->frame.header.bits_per_sample = 32; + break; + default: + FLAC__ASSERT(0); + break; + } + +#ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION + /* check to make sure that reserved bit is 0 */ + if(raw_header[3] & 0x01) /* MAGIC NUMBER */ + is_unparseable = true; +#endif + + /* read the frame's starting sample number (or frame number as the case may be) */ + if( + raw_header[1] & 0x01 || + /*@@@ this clause is a concession to the old way of doing variable blocksize; the only known implementation is flake and can probably be removed without inconveniencing anyone */ + (decoder->private_->has_stream_info && decoder->private_->stream_info.data.stream_info.min_blocksize != decoder->private_->stream_info.data.stream_info.max_blocksize) + ) { /* variable blocksize */ + if(!FLAC__bitreader_read_utf8_uint64(decoder->private_->input, &xx, raw_header, &raw_header_len)) + return false; /* read_callback_ sets the state for us */ + if(xx == FLAC__U64L(0xffffffffffffffff)) { /* i.e. non-UTF8 code... */ + decoder->private_->lookahead = raw_header[raw_header_len-1]; /* back up as much as we can */ + decoder->private_->cached = true; + send_error_to_client_(decoder, FLAC__STREAM_DECODER_ERROR_STATUS_BAD_HEADER); + decoder->protected_->state = FLAC__STREAM_DECODER_SEARCH_FOR_FRAME_SYNC; + return true; + } + decoder->private_->frame.header.number_type = FLAC__FRAME_NUMBER_TYPE_SAMPLE_NUMBER; + decoder->private_->frame.header.number.sample_number = xx; + } + else { /* fixed blocksize */ + if(!FLAC__bitreader_read_utf8_uint32(decoder->private_->input, &x, raw_header, &raw_header_len)) + return false; /* read_callback_ sets the state for us */ + if(x == 0xffffffff) { /* i.e. non-UTF8 code... */ + decoder->private_->lookahead = raw_header[raw_header_len-1]; /* back up as much as we can */ + decoder->private_->cached = true; + send_error_to_client_(decoder, FLAC__STREAM_DECODER_ERROR_STATUS_BAD_HEADER); + decoder->protected_->state = FLAC__STREAM_DECODER_SEARCH_FOR_FRAME_SYNC; + return true; + } + decoder->private_->frame.header.number_type = FLAC__FRAME_NUMBER_TYPE_FRAME_NUMBER; + decoder->private_->frame.header.number.frame_number = x; + } + + if(blocksize_hint) { + if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &x, 8)) + return false; /* read_callback_ sets the state for us */ + raw_header[raw_header_len++] = (FLAC__byte)x; + if(blocksize_hint == 7) { + FLAC__uint32 _x; + if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &_x, 8)) + return false; /* read_callback_ sets the state for us */ + raw_header[raw_header_len++] = (FLAC__byte)_x; + x = (x << 8) | _x; + } + decoder->private_->frame.header.blocksize = x+1; + if(decoder->private_->frame.header.blocksize > 65535) { /* invalid blocksize (65536) specified */ + decoder->private_->lookahead = raw_header[raw_header_len-1]; /* back up as much as we can */ + decoder->private_->cached = true; + send_error_to_client_(decoder, FLAC__STREAM_DECODER_ERROR_STATUS_BAD_HEADER); + decoder->protected_->state = FLAC__STREAM_DECODER_SEARCH_FOR_FRAME_SYNC; + return true; + } + + } + + if(sample_rate_hint) { + if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &x, 8)) + return false; /* read_callback_ sets the state for us */ + raw_header[raw_header_len++] = (FLAC__byte)x; + if(sample_rate_hint != 12) { + FLAC__uint32 _x; + if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &_x, 8)) + return false; /* read_callback_ sets the state for us */ + raw_header[raw_header_len++] = (FLAC__byte)_x; + x = (x << 8) | _x; + } + if(sample_rate_hint == 12) + decoder->private_->frame.header.sample_rate = x*1000; + else if(sample_rate_hint == 13) + decoder->private_->frame.header.sample_rate = x; + else + decoder->private_->frame.header.sample_rate = x*10; + } + + /* read the CRC-8 byte */ + if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &x, 8)) + return false; /* read_callback_ sets the state for us */ + crc8 = (FLAC__byte)x; + +#ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION + if(FLAC__crc8(raw_header, raw_header_len) != crc8) { + send_error_to_client_(decoder, FLAC__STREAM_DECODER_ERROR_STATUS_BAD_HEADER); + decoder->protected_->state = FLAC__STREAM_DECODER_SEARCH_FOR_FRAME_SYNC; + return true; + } +#endif + + /* calculate the sample number from the frame number if needed */ + decoder->private_->next_fixed_block_size = 0; + if(decoder->private_->frame.header.number_type == FLAC__FRAME_NUMBER_TYPE_FRAME_NUMBER) { + x = decoder->private_->frame.header.number.frame_number; + decoder->private_->frame.header.number_type = FLAC__FRAME_NUMBER_TYPE_SAMPLE_NUMBER; + if(decoder->private_->fixed_block_size) + decoder->private_->frame.header.number.sample_number = (FLAC__uint64)decoder->private_->fixed_block_size * (FLAC__uint64)x; + else if(decoder->private_->has_stream_info) { + if(decoder->private_->stream_info.data.stream_info.min_blocksize == decoder->private_->stream_info.data.stream_info.max_blocksize) { + decoder->private_->frame.header.number.sample_number = (FLAC__uint64)decoder->private_->stream_info.data.stream_info.min_blocksize * (FLAC__uint64)x; + decoder->private_->next_fixed_block_size = decoder->private_->stream_info.data.stream_info.max_blocksize; + } + else + is_unparseable = true; + } + else if(x == 0) { + decoder->private_->frame.header.number.sample_number = 0; + decoder->private_->next_fixed_block_size = decoder->private_->frame.header.blocksize; + } + else { + /* can only get here if the stream has invalid frame numbering and no STREAMINFO, so assume it's not the last (possibly short) frame */ + decoder->private_->frame.header.number.sample_number = (FLAC__uint64)decoder->private_->frame.header.blocksize * (FLAC__uint64)x; + } + } + + if(is_unparseable) { + send_error_to_client_(decoder, FLAC__STREAM_DECODER_ERROR_STATUS_UNPARSEABLE_STREAM); + decoder->protected_->state = FLAC__STREAM_DECODER_SEARCH_FOR_FRAME_SYNC; + return true; + } + + return true; +} + +FLAC__bool read_subframe_(FLAC__StreamDecoder *decoder, uint32_t channel, uint32_t bps, FLAC__bool do_full_decode) +{ + FLAC__uint32 x; + FLAC__bool wasted_bits; + uint32_t i; + + if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &x, 8)) /* MAGIC NUMBER */ + return false; /* read_callback_ sets the state for us */ + + wasted_bits = (x & 1); + x &= 0xfe; + + if(wasted_bits) { + uint32_t u; + if(!FLAC__bitreader_read_unary_unsigned(decoder->private_->input, &u)) + return false; /* read_callback_ sets the state for us */ + decoder->private_->frame.subframes[channel].wasted_bits = u+1; + if (decoder->private_->frame.subframes[channel].wasted_bits >= bps) { + send_error_to_client_(decoder, FLAC__STREAM_DECODER_ERROR_STATUS_LOST_SYNC); + decoder->protected_->state = FLAC__STREAM_DECODER_SEARCH_FOR_FRAME_SYNC; + return true; + } + bps -= decoder->private_->frame.subframes[channel].wasted_bits; + } + else + decoder->private_->frame.subframes[channel].wasted_bits = 0; + + /* + * Lots of magic numbers here + */ + if(x & 0x80) { + send_error_to_client_(decoder, FLAC__STREAM_DECODER_ERROR_STATUS_LOST_SYNC); + decoder->protected_->state = FLAC__STREAM_DECODER_SEARCH_FOR_FRAME_SYNC; + return true; + } + else if(x == 0) { + if(!read_subframe_constant_(decoder, channel, bps, do_full_decode)) + return false; + } + else if(x == 2) { + if(!read_subframe_verbatim_(decoder, channel, bps, do_full_decode)) + return false; + } + else if(x < 16) { + send_error_to_client_(decoder, FLAC__STREAM_DECODER_ERROR_STATUS_UNPARSEABLE_STREAM); + decoder->protected_->state = FLAC__STREAM_DECODER_SEARCH_FOR_FRAME_SYNC; + return true; + } + else if(x <= 24) { + uint32_t predictor_order = (x>>1)&7; + if(decoder->private_->frame.header.blocksize <= predictor_order){ + send_error_to_client_(decoder, FLAC__STREAM_DECODER_ERROR_STATUS_LOST_SYNC); + decoder->protected_->state = FLAC__STREAM_DECODER_SEARCH_FOR_FRAME_SYNC; + return true; + } + if(!read_subframe_fixed_(decoder, channel, bps, predictor_order, do_full_decode)) + return false; + if(decoder->protected_->state == FLAC__STREAM_DECODER_SEARCH_FOR_FRAME_SYNC) /* means bad sync or got corruption */ + return true; + } + else if(x < 64) { + send_error_to_client_(decoder, FLAC__STREAM_DECODER_ERROR_STATUS_UNPARSEABLE_STREAM); + decoder->protected_->state = FLAC__STREAM_DECODER_SEARCH_FOR_FRAME_SYNC; + return true; + } + else { + uint32_t predictor_order = ((x>>1)&31)+1; + if(decoder->private_->frame.header.blocksize <= predictor_order){ + send_error_to_client_(decoder, FLAC__STREAM_DECODER_ERROR_STATUS_LOST_SYNC); + decoder->protected_->state = FLAC__STREAM_DECODER_SEARCH_FOR_FRAME_SYNC; + return true; + } + if(!read_subframe_lpc_(decoder, channel, bps, predictor_order, do_full_decode)) + return false; + if(decoder->protected_->state == FLAC__STREAM_DECODER_SEARCH_FOR_FRAME_SYNC) /* means bad sync or got corruption */ + return true; + } + + if(wasted_bits && do_full_decode) { + x = decoder->private_->frame.subframes[channel].wasted_bits; + if((bps + x) < 33) { + for(i = 0; i < decoder->private_->frame.header.blocksize; i++) { + uint32_t val = decoder->private_->output[channel][i]; + decoder->private_->output[channel][i] = (val << x); + } + } + else { + /* When there are wasted bits, bps is never 33 and so + * side_subframe is never already in use */ + FLAC__ASSERT(!decoder->private_->side_subframe_in_use); + decoder->private_->side_subframe_in_use = true; + for(i = 0; i < decoder->private_->frame.header.blocksize; i++) { + uint64_t val = decoder->private_->output[channel][i]; + decoder->private_->side_subframe[i] = (val << x); + } + } + } + + return true; +} + +FLAC__bool read_subframe_constant_(FLAC__StreamDecoder *decoder, uint32_t channel, uint32_t bps, FLAC__bool do_full_decode) +{ + FLAC__Subframe_Constant *subframe = &decoder->private_->frame.subframes[channel].data.constant; + FLAC__int64 x; + uint32_t i; + + decoder->private_->frame.subframes[channel].type = FLAC__SUBFRAME_TYPE_CONSTANT; + + if(!FLAC__bitreader_read_raw_int64(decoder->private_->input, &x, bps)) + return false; /* read_callback_ sets the state for us */ + + subframe->value = x; + + /* decode the subframe */ + if(do_full_decode) { + if(bps <= 32) { + FLAC__int32 *output = decoder->private_->output[channel]; + for(i = 0; i < decoder->private_->frame.header.blocksize; i++) + output[i] = x; + } else { + FLAC__int64 *output = decoder->private_->side_subframe; + decoder->private_->side_subframe_in_use = true; + for(i = 0; i < decoder->private_->frame.header.blocksize; i++) + output[i] = x; + } + } + + return true; +} + +FLAC__bool read_subframe_fixed_(FLAC__StreamDecoder *decoder, uint32_t channel, uint32_t bps, const uint32_t order, FLAC__bool do_full_decode) +{ + FLAC__Subframe_Fixed *subframe = &decoder->private_->frame.subframes[channel].data.fixed; + FLAC__int64 i64; + FLAC__uint32 u32; + uint32_t u; + + decoder->private_->frame.subframes[channel].type = FLAC__SUBFRAME_TYPE_FIXED; + + subframe->residual = decoder->private_->residual[channel]; + subframe->order = order; + + /* read warm-up samples */ + for(u = 0; u < order; u++) { + if(!FLAC__bitreader_read_raw_int64(decoder->private_->input, &i64, bps)) + return false; /* read_callback_ sets the state for us */ + subframe->warmup[u] = i64; + } + + /* read entropy coding method info */ + if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &u32, FLAC__ENTROPY_CODING_METHOD_TYPE_LEN)) + return false; /* read_callback_ sets the state for us */ + subframe->entropy_coding_method.type = (FLAC__EntropyCodingMethodType)u32; + switch(subframe->entropy_coding_method.type) { + case FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE: + case FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2: + if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &u32, FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ORDER_LEN)) + return false; /* read_callback_ sets the state for us */ + if((decoder->private_->frame.header.blocksize >> u32 < order) || + (decoder->private_->frame.header.blocksize % (1 << u32) > 0)) { + send_error_to_client_(decoder, FLAC__STREAM_DECODER_ERROR_STATUS_LOST_SYNC); + decoder->protected_->state = FLAC__STREAM_DECODER_SEARCH_FOR_FRAME_SYNC; + return true; + } + subframe->entropy_coding_method.data.partitioned_rice.order = u32; + subframe->entropy_coding_method.data.partitioned_rice.contents = &decoder->private_->partitioned_rice_contents[channel]; + break; + default: + send_error_to_client_(decoder, FLAC__STREAM_DECODER_ERROR_STATUS_UNPARSEABLE_STREAM); + decoder->protected_->state = FLAC__STREAM_DECODER_SEARCH_FOR_FRAME_SYNC; + return true; + } + + /* read residual */ + switch(subframe->entropy_coding_method.type) { + case FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE: + case FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2: + if(!read_residual_partitioned_rice_(decoder, order, subframe->entropy_coding_method.data.partitioned_rice.order, &decoder->private_->partitioned_rice_contents[channel], decoder->private_->residual[channel], /*is_extended=*/subframe->entropy_coding_method.type == FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2)) + return false; + break; + default: + FLAC__ASSERT(0); + } + + /* decode the subframe */ + if(do_full_decode) { + if(bps < 33){ + uint32_t i; + for(i = 0; i < order; i++) + decoder->private_->output[channel][i] = subframe->warmup[i]; + if(bps+order <= 32) + FLAC__fixed_restore_signal(decoder->private_->residual[channel], decoder->private_->frame.header.blocksize-order, order, decoder->private_->output[channel]+order); + else + FLAC__fixed_restore_signal_wide(decoder->private_->residual[channel], decoder->private_->frame.header.blocksize-order, order, decoder->private_->output[channel]+order); + } + else { + decoder->private_->side_subframe_in_use = true; + memcpy(decoder->private_->side_subframe, subframe->warmup, sizeof(FLAC__int64) * order); + FLAC__fixed_restore_signal_wide_33bit(decoder->private_->residual[channel], decoder->private_->frame.header.blocksize-order, order, decoder->private_->side_subframe+order); + } + } + + return true; +} + +FLAC__bool read_subframe_lpc_(FLAC__StreamDecoder *decoder, uint32_t channel, uint32_t bps, const uint32_t order, FLAC__bool do_full_decode) +{ + FLAC__Subframe_LPC *subframe = &decoder->private_->frame.subframes[channel].data.lpc; + FLAC__int32 i32; + FLAC__int64 i64; + FLAC__uint32 u32; + uint32_t u; + + decoder->private_->frame.subframes[channel].type = FLAC__SUBFRAME_TYPE_LPC; + + subframe->residual = decoder->private_->residual[channel]; + subframe->order = order; + + /* read warm-up samples */ + for(u = 0; u < order; u++) { + if(!FLAC__bitreader_read_raw_int64(decoder->private_->input, &i64, bps)) + return false; /* read_callback_ sets the state for us */ + subframe->warmup[u] = i64; + } + + /* read qlp coeff precision */ + if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &u32, FLAC__SUBFRAME_LPC_QLP_COEFF_PRECISION_LEN)) + return false; /* read_callback_ sets the state for us */ + if(u32 == (1u << FLAC__SUBFRAME_LPC_QLP_COEFF_PRECISION_LEN) - 1) { + send_error_to_client_(decoder, FLAC__STREAM_DECODER_ERROR_STATUS_LOST_SYNC); + decoder->protected_->state = FLAC__STREAM_DECODER_SEARCH_FOR_FRAME_SYNC; + return true; + } + subframe->qlp_coeff_precision = u32+1; + + /* read qlp shift */ + if(!FLAC__bitreader_read_raw_int32(decoder->private_->input, &i32, FLAC__SUBFRAME_LPC_QLP_SHIFT_LEN)) + return false; /* read_callback_ sets the state for us */ + if(i32 < 0) { + send_error_to_client_(decoder, FLAC__STREAM_DECODER_ERROR_STATUS_LOST_SYNC); + decoder->protected_->state = FLAC__STREAM_DECODER_SEARCH_FOR_FRAME_SYNC; + return true; + } + subframe->quantization_level = i32; + + /* read quantized lp coefficiencts */ + for(u = 0; u < order; u++) { + if(!FLAC__bitreader_read_raw_int32(decoder->private_->input, &i32, subframe->qlp_coeff_precision)) + return false; /* read_callback_ sets the state for us */ + subframe->qlp_coeff[u] = i32; + } + + /* read entropy coding method info */ + if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &u32, FLAC__ENTROPY_CODING_METHOD_TYPE_LEN)) + return false; /* read_callback_ sets the state for us */ + subframe->entropy_coding_method.type = (FLAC__EntropyCodingMethodType)u32; + switch(subframe->entropy_coding_method.type) { + case FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE: + case FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2: + if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &u32, FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ORDER_LEN)) + return false; /* read_callback_ sets the state for us */ + if((decoder->private_->frame.header.blocksize >> u32 < order) || + (decoder->private_->frame.header.blocksize % (1 << u32) > 0)) { + send_error_to_client_(decoder, FLAC__STREAM_DECODER_ERROR_STATUS_LOST_SYNC); + decoder->protected_->state = FLAC__STREAM_DECODER_SEARCH_FOR_FRAME_SYNC; + return true; + } + subframe->entropy_coding_method.data.partitioned_rice.order = u32; + subframe->entropy_coding_method.data.partitioned_rice.contents = &decoder->private_->partitioned_rice_contents[channel]; + break; + default: + send_error_to_client_(decoder, FLAC__STREAM_DECODER_ERROR_STATUS_UNPARSEABLE_STREAM); + decoder->protected_->state = FLAC__STREAM_DECODER_SEARCH_FOR_FRAME_SYNC; + return true; + } + + /* read residual */ + switch(subframe->entropy_coding_method.type) { + case FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE: + case FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2: + if(!read_residual_partitioned_rice_(decoder, order, subframe->entropy_coding_method.data.partitioned_rice.order, &decoder->private_->partitioned_rice_contents[channel], decoder->private_->residual[channel], /*is_extended=*/subframe->entropy_coding_method.type == FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2)) + return false; + break; + default: + FLAC__ASSERT(0); + } + + /* decode the subframe */ + if(do_full_decode) { + if(bps <= 32) { + uint32_t i; + for(i = 0; i < order; i++) + decoder->private_->output[channel][i] = subframe->warmup[i]; + if(FLAC__lpc_max_residual_bps(bps, subframe->qlp_coeff, order, subframe->quantization_level) <= 32 && + FLAC__lpc_max_prediction_before_shift_bps(bps, subframe->qlp_coeff, order) <= 32) + FLAC__lpc_restore_signal(decoder->private_->residual[channel], decoder->private_->frame.header.blocksize-order, subframe->qlp_coeff, order, subframe->quantization_level, decoder->private_->output[channel]+order); + else + FLAC__lpc_restore_signal_wide(decoder->private_->residual[channel], decoder->private_->frame.header.blocksize-order, subframe->qlp_coeff, order, subframe->quantization_level, decoder->private_->output[channel]+order); + } + else { + decoder->private_->side_subframe_in_use = true; + memcpy(decoder->private_->side_subframe, subframe->warmup, sizeof(FLAC__int64) * order); + FLAC__lpc_restore_signal_wide_33bit(decoder->private_->residual[channel], decoder->private_->frame.header.blocksize-order, subframe->qlp_coeff, order, subframe->quantization_level, decoder->private_->side_subframe+order); + } + } + + return true; +} + +FLAC__bool read_subframe_verbatim_(FLAC__StreamDecoder *decoder, uint32_t channel, uint32_t bps, FLAC__bool do_full_decode) +{ + FLAC__Subframe_Verbatim *subframe = &decoder->private_->frame.subframes[channel].data.verbatim; + uint32_t i; + + decoder->private_->frame.subframes[channel].type = FLAC__SUBFRAME_TYPE_VERBATIM; + + if(bps < 33) { + FLAC__int32 x, *residual = decoder->private_->residual[channel]; + + subframe->data_type = FLAC__VERBATIM_SUBFRAME_DATA_TYPE_INT32; + subframe->data.int32 = residual; + + for(i = 0; i < decoder->private_->frame.header.blocksize; i++) { + if(!FLAC__bitreader_read_raw_int32(decoder->private_->input, &x, bps)) + return false; /* read_callback_ sets the state for us */ + residual[i] = x; + } + + /* decode the subframe */ + if(do_full_decode) + memcpy(decoder->private_->output[channel], subframe->data.int32, sizeof(FLAC__int32) * decoder->private_->frame.header.blocksize); + } + else { + FLAC__int64 x, *side = decoder->private_->side_subframe; + + subframe->data_type = FLAC__VERBATIM_SUBFRAME_DATA_TYPE_INT64; + subframe->data.int64 = side; + decoder->private_->side_subframe_in_use = true; + + for(i = 0; i < decoder->private_->frame.header.blocksize; i++) { + if(!FLAC__bitreader_read_raw_int64(decoder->private_->input, &x, bps)) + return false; /* read_callback_ sets the state for us */ + side[i] = x; + } + } + + return true; +} + +FLAC__bool read_residual_partitioned_rice_(FLAC__StreamDecoder *decoder, uint32_t predictor_order, uint32_t partition_order, FLAC__EntropyCodingMethod_PartitionedRiceContents *partitioned_rice_contents, FLAC__int32 *residual, FLAC__bool is_extended) +{ + FLAC__uint32 rice_parameter; + int i; + uint32_t partition, sample, u; + const uint32_t partitions = 1u << partition_order; + const uint32_t partition_samples = decoder->private_->frame.header.blocksize >> partition_order; + const uint32_t plen = is_extended? FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2_PARAMETER_LEN : FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_PARAMETER_LEN; + const uint32_t pesc = is_extended? FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2_ESCAPE_PARAMETER : FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ESCAPE_PARAMETER; + + /* invalid predictor and partition orders mush be handled in the callers */ + FLAC__ASSERT(partition_order > 0? partition_samples >= predictor_order : decoder->private_->frame.header.blocksize >= predictor_order); + + if(!FLAC__format_entropy_coding_method_partitioned_rice_contents_ensure_size(partitioned_rice_contents, flac_max(6u, partition_order))) { + decoder->protected_->state = FLAC__STREAM_DECODER_MEMORY_ALLOCATION_ERROR; + return false; + } + + sample = 0; + for(partition = 0; partition < partitions; partition++) { + if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &rice_parameter, plen)) + return false; /* read_callback_ sets the state for us */ + partitioned_rice_contents->parameters[partition] = rice_parameter; + if(rice_parameter < pesc) { + partitioned_rice_contents->raw_bits[partition] = 0; + u = (partition == 0) ? partition_samples - predictor_order : partition_samples; + if(!decoder->private_->local_bitreader_read_rice_signed_block(decoder->private_->input, residual + sample, u, rice_parameter)){ + if(decoder->protected_->state == FLAC__STREAM_DECODER_READ_FRAME) { + /* no error was set, read_callback_ didn't set it, so + * invalid rice symbol was found */ + send_error_to_client_(decoder, FLAC__STREAM_DECODER_ERROR_STATUS_LOST_SYNC); + decoder->protected_->state = FLAC__STREAM_DECODER_SEARCH_FOR_FRAME_SYNC; + return true; + } + else + return false; /* read_callback_ sets the state for us */ + } + sample += u; + } + else { + if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &rice_parameter, FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_RAW_LEN)) + return false; /* read_callback_ sets the state for us */ + partitioned_rice_contents->raw_bits[partition] = rice_parameter; + if(rice_parameter == 0) { + for(u = (partition == 0)? predictor_order : 0; u < partition_samples; u++, sample++) + residual[sample] = 0; + } + else{ + for(u = (partition == 0)? predictor_order : 0; u < partition_samples; u++, sample++) { + if(!FLAC__bitreader_read_raw_int32(decoder->private_->input, &i, rice_parameter)) + return false; /* read_callback_ sets the state for us */ + residual[sample] = i; + } + } + } + } + + return true; +} + +FLAC__bool read_zero_padding_(FLAC__StreamDecoder *decoder) +{ + if(!FLAC__bitreader_is_consumed_byte_aligned(decoder->private_->input)) { + FLAC__uint32 zero = 0; + if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &zero, FLAC__bitreader_bits_left_for_byte_alignment(decoder->private_->input))) + return false; /* read_callback_ sets the state for us */ +#ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION + if(zero != 0) { + send_error_to_client_(decoder, FLAC__STREAM_DECODER_ERROR_STATUS_LOST_SYNC); + decoder->protected_->state = FLAC__STREAM_DECODER_SEARCH_FOR_FRAME_SYNC; + } +#endif + } + return true; +} + +FLAC__bool read_callback_(FLAC__byte buffer[], size_t *bytes, void *client_data) +{ + FLAC__StreamDecoder *decoder = (FLAC__StreamDecoder *)client_data; + + if( +#if FLAC__HAS_OGG + /* see [1] HACK NOTE below for why we don't call the eof_callback when decoding Ogg FLAC */ + !decoder->private_->is_ogg && +#endif + decoder->private_->eof_callback && decoder->private_->eof_callback(decoder, decoder->private_->client_data) + ) { + *bytes = 0; + decoder->protected_->state = FLAC__STREAM_DECODER_END_OF_STREAM; + return false; + } + else if(*bytes > 0) { + /* While seeking, it is possible for our seek to land in the + * middle of audio data that looks exactly like a frame header + * from a future version of an encoder. When that happens, our + * error callback will get an + * FLAC__STREAM_DECODER_UNPARSEABLE_STREAM and increment its + * unparseable_frame_count. But there is a remote possibility + * that it is properly synced at such a "future-codec frame", + * so to make sure, we wait to see many "unparseable" errors in + * a row before bailing out. + */ + if(decoder->private_->is_seeking && decoder->private_->unparseable_frame_count > 20) { + decoder->protected_->state = FLAC__STREAM_DECODER_ABORTED; + return false; + } + else { + const FLAC__StreamDecoderReadStatus status = +#if FLAC__HAS_OGG + decoder->private_->is_ogg? + read_callback_ogg_aspect_(decoder, buffer, bytes) : +#endif + decoder->private_->read_callback(decoder, buffer, bytes, decoder->private_->client_data) + ; + if(status == FLAC__STREAM_DECODER_READ_STATUS_ABORT) { + decoder->protected_->state = FLAC__STREAM_DECODER_ABORTED; + return false; + } + else if(*bytes == 0) { + if( + status == FLAC__STREAM_DECODER_READ_STATUS_END_OF_STREAM || + ( +#if FLAC__HAS_OGG + /* see [1] HACK NOTE below for why we don't call the eof_callback when decoding Ogg FLAC */ + !decoder->private_->is_ogg && +#endif + decoder->private_->eof_callback && decoder->private_->eof_callback(decoder, decoder->private_->client_data) + ) + ) { + decoder->protected_->state = FLAC__STREAM_DECODER_END_OF_STREAM; + return false; + } + else + return true; + } + else + return true; + } + } + else { + /* abort to avoid a deadlock */ + decoder->protected_->state = FLAC__STREAM_DECODER_ABORTED; + return false; + } + /* [1] @@@ HACK NOTE: The end-of-stream checking has to be hacked around + * for Ogg FLAC. This is because the ogg decoder aspect can lose sync + * and at the same time hit the end of the stream (for example, seeking + * to a point that is after the beginning of the last Ogg page). There + * is no way to report an Ogg sync loss through the callbacks (see note + * in read_callback_ogg_aspect_()) so it returns CONTINUE with *bytes==0. + * So to keep the decoder from stopping at this point we gate the call + * to the eof_callback and let the Ogg decoder aspect set the + * end-of-stream state when it is needed. + */ +} + +#if defined(FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION) && !defined(FUZZING_BUILD_MODE_FLAC_SANITIZE_SIGNED_INTEGER_OVERFLOW) +/* The attribute below is to silence the undefined sanitizer of oss-fuzz. + * Because fuzzing feeds bogus predictors and residual samples to the + * decoder, having overflows in this section is unavoidable. Also, + * because the calculated values are audio path only, there is no + * potential for security problems */ +__attribute__((no_sanitize("signed-integer-overflow"))) +#endif +void undo_channel_coding(FLAC__StreamDecoder *decoder) { + uint32_t i; + switch(decoder->private_->frame.header.channel_assignment) { + case FLAC__CHANNEL_ASSIGNMENT_INDEPENDENT: + /* do nothing */ + break; + case FLAC__CHANNEL_ASSIGNMENT_LEFT_SIDE: + FLAC__ASSERT(decoder->private_->frame.header.channels == 2); + FLAC__ASSERT(decoder->private_->side_subframe_in_use != /* logical XOR */ (decoder->private_->frame.header.bits_per_sample < 32)); + for(i = 0; i < decoder->private_->frame.header.blocksize; i++) + if(decoder->private_->side_subframe_in_use) + decoder->private_->output[1][i] = decoder->private_->output[0][i] - decoder->private_->side_subframe[i]; + else + decoder->private_->output[1][i] = decoder->private_->output[0][i] - decoder->private_->output[1][i]; + break; + case FLAC__CHANNEL_ASSIGNMENT_RIGHT_SIDE: + FLAC__ASSERT(decoder->private_->frame.header.channels == 2); + FLAC__ASSERT(decoder->private_->side_subframe_in_use != /* logical XOR */ (decoder->private_->frame.header.bits_per_sample < 32)); + for(i = 0; i < decoder->private_->frame.header.blocksize; i++) + if(decoder->private_->side_subframe_in_use) + decoder->private_->output[0][i] = decoder->private_->output[1][i] + decoder->private_->side_subframe[i]; + else + decoder->private_->output[0][i] += decoder->private_->output[1][i]; + break; + case FLAC__CHANNEL_ASSIGNMENT_MID_SIDE: + FLAC__ASSERT(decoder->private_->frame.header.channels == 2); + FLAC__ASSERT(decoder->private_->side_subframe_in_use != /* logical XOR */ (decoder->private_->frame.header.bits_per_sample < 32)); + for(i = 0; i < decoder->private_->frame.header.blocksize; i++) { + if(!decoder->private_->side_subframe_in_use){ + FLAC__int32 mid, side; + mid = decoder->private_->output[0][i]; + side = decoder->private_->output[1][i]; + mid = ((uint32_t) mid) << 1; + mid |= (side & 1); /* i.e. if 'side' is odd... */ + decoder->private_->output[0][i] = (mid + side) >> 1; + decoder->private_->output[1][i] = (mid - side) >> 1; + } + else { /* bps == 32 */ + FLAC__int64 mid; + mid = ((uint64_t)decoder->private_->output[0][i]) << 1; + mid |= (decoder->private_->side_subframe[i] & 1); /* i.e. if 'side' is odd... */ + decoder->private_->output[0][i] = (mid + decoder->private_->side_subframe[i]) >> 1; + decoder->private_->output[1][i] = (mid - decoder->private_->side_subframe[i]) >> 1; + } + } + break; + default: + FLAC__ASSERT(0); + break; + } +} + +#if FLAC__HAS_OGG +FLAC__StreamDecoderReadStatus read_callback_ogg_aspect_(const FLAC__StreamDecoder *decoder, FLAC__byte buffer[], size_t *bytes) +{ + switch(FLAC__ogg_decoder_aspect_read_callback_wrapper(&decoder->protected_->ogg_decoder_aspect, buffer, bytes, read_callback_proxy_, decoder, decoder->private_->client_data)) { + case FLAC__OGG_DECODER_ASPECT_READ_STATUS_OK: + return FLAC__STREAM_DECODER_READ_STATUS_CONTINUE; + /* we don't really have a way to handle lost sync via read + * callback so we'll let it pass and let the underlying + * FLAC decoder catch the error + */ + case FLAC__OGG_DECODER_ASPECT_READ_STATUS_LOST_SYNC: + return FLAC__STREAM_DECODER_READ_STATUS_CONTINUE; + case FLAC__OGG_DECODER_ASPECT_READ_STATUS_END_OF_STREAM: + return FLAC__STREAM_DECODER_READ_STATUS_END_OF_STREAM; + case FLAC__OGG_DECODER_ASPECT_READ_STATUS_NOT_FLAC: + case FLAC__OGG_DECODER_ASPECT_READ_STATUS_UNSUPPORTED_MAPPING_VERSION: + case FLAC__OGG_DECODER_ASPECT_READ_STATUS_ABORT: + case FLAC__OGG_DECODER_ASPECT_READ_STATUS_ERROR: + case FLAC__OGG_DECODER_ASPECT_READ_STATUS_MEMORY_ALLOCATION_ERROR: + return FLAC__STREAM_DECODER_READ_STATUS_ABORT; + default: + FLAC__ASSERT(0); + /* double protection */ + return FLAC__STREAM_DECODER_READ_STATUS_ABORT; + } +} + +FLAC__OggDecoderAspectReadStatus read_callback_proxy_(const void *void_decoder, FLAC__byte buffer[], size_t *bytes, void *client_data) +{ + FLAC__StreamDecoder *decoder = (FLAC__StreamDecoder*)void_decoder; + + switch(decoder->private_->read_callback(decoder, buffer, bytes, client_data)) { + case FLAC__STREAM_DECODER_READ_STATUS_CONTINUE: + return FLAC__OGG_DECODER_ASPECT_READ_STATUS_OK; + case FLAC__STREAM_DECODER_READ_STATUS_END_OF_STREAM: + return FLAC__OGG_DECODER_ASPECT_READ_STATUS_END_OF_STREAM; + case FLAC__STREAM_DECODER_READ_STATUS_ABORT: + return FLAC__OGG_DECODER_ASPECT_READ_STATUS_ABORT; + default: + /* double protection: */ + FLAC__ASSERT(0); + return FLAC__OGG_DECODER_ASPECT_READ_STATUS_ABORT; + } +} +#endif + +FLAC__StreamDecoderWriteStatus write_audio_frame_to_client_(FLAC__StreamDecoder *decoder, const FLAC__Frame *frame, const FLAC__int32 * const buffer[]) +{ + decoder->private_->last_frame = *frame; /* save the frame */ + decoder->private_->last_frame_is_set = true; + if(decoder->private_->is_seeking) { + FLAC__uint64 this_frame_sample = frame->header.number.sample_number; + FLAC__uint64 next_frame_sample = this_frame_sample + (FLAC__uint64)frame->header.blocksize; + FLAC__uint64 target_sample = decoder->private_->target_sample; + + FLAC__ASSERT(frame->header.number_type == FLAC__FRAME_NUMBER_TYPE_SAMPLE_NUMBER); + +#if FLAC__HAS_OGG + decoder->private_->got_a_frame = true; +#endif + if(this_frame_sample <= target_sample && target_sample < next_frame_sample) { /* we hit our target frame */ + uint32_t delta = (uint32_t)(target_sample - this_frame_sample); + /* kick out of seek mode */ + decoder->private_->is_seeking = false; + /* shift out the samples before target_sample */ + if(delta > 0) { + uint32_t channel; + const FLAC__int32 *newbuffer[FLAC__MAX_CHANNELS]; + for(channel = 0; channel < frame->header.channels; channel++) { + newbuffer[channel] = buffer[channel] + delta; + decoder->private_->last_frame.subframes[channel].type = FLAC__SUBFRAME_TYPE_VERBATIM; + decoder->private_->last_frame.subframes[channel].data.verbatim.data_type = FLAC__VERBATIM_SUBFRAME_DATA_TYPE_INT32; + decoder->private_->last_frame.subframes[channel].data.verbatim.data.int32 = newbuffer[channel]; + } + decoder->private_->last_frame.header.blocksize -= delta; + decoder->private_->last_frame.header.number.sample_number += (FLAC__uint64)delta; + /* write the relevant samples */ + return decoder->private_->write_callback(decoder, &decoder->private_->last_frame, newbuffer, decoder->private_->client_data); + } + else { + /* write the relevant samples */ + return decoder->private_->write_callback(decoder, frame, buffer, decoder->private_->client_data); + } + } + else { + return FLAC__STREAM_DECODER_WRITE_STATUS_CONTINUE; + } + } + else { + /* + * If we never got STREAMINFO, turn off MD5 checking to save + * cycles since we don't have a sum to compare to anyway + */ + if(!decoder->private_->has_stream_info) + decoder->private_->do_md5_checking = false; + if(decoder->private_->do_md5_checking) { + if(!FLAC__MD5Accumulate(&decoder->private_->md5context, buffer, frame->header.channels, frame->header.blocksize, (frame->header.bits_per_sample+7) / 8)) + return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT; + } + return decoder->private_->write_callback(decoder, frame, buffer, decoder->private_->client_data); + } +} + +void send_error_to_client_(const FLAC__StreamDecoder *decoder, FLAC__StreamDecoderErrorStatus status) +{ + if(!decoder->private_->is_seeking) + decoder->private_->error_callback(decoder, status, decoder->private_->client_data); + else if(status == FLAC__STREAM_DECODER_ERROR_STATUS_UNPARSEABLE_STREAM) + decoder->private_->unparseable_frame_count++; +} + +FLAC__bool seek_to_absolute_sample_(FLAC__StreamDecoder *decoder, FLAC__uint64 stream_length, FLAC__uint64 target_sample) +{ + FLAC__uint64 first_frame_offset = decoder->private_->first_frame_offset, lower_bound, upper_bound, lower_bound_sample, upper_bound_sample, this_frame_sample; + FLAC__int64 pos = -1; + int i; + uint32_t approx_bytes_per_frame; + FLAC__bool first_seek = true, seek_from_lower_bound = false; + const FLAC__uint64 total_samples = FLAC__stream_decoder_get_total_samples(decoder); + const uint32_t min_blocksize = decoder->private_->stream_info.data.stream_info.min_blocksize; + const uint32_t max_blocksize = decoder->private_->stream_info.data.stream_info.max_blocksize; + const uint32_t max_framesize = decoder->private_->stream_info.data.stream_info.max_framesize; + const uint32_t min_framesize = decoder->private_->stream_info.data.stream_info.min_framesize; + /* take these from the current frame in case they've changed mid-stream */ + uint32_t channels = FLAC__stream_decoder_get_channels(decoder); + uint32_t bps = FLAC__stream_decoder_get_bits_per_sample(decoder); + const FLAC__StreamMetadata_SeekTable *seek_table = decoder->private_->has_seek_table? &decoder->private_->seek_table.data.seek_table : 0; + + /* use values from stream info if we didn't decode a frame */ + if(channels == 0) + channels = decoder->private_->stream_info.data.stream_info.channels; + if(bps == 0) + bps = decoder->private_->stream_info.data.stream_info.bits_per_sample; + + /* we are just guessing here */ + if(max_framesize > 0) + approx_bytes_per_frame = (max_framesize + min_framesize) / 2 + 1; + /* + * Check if it's a known fixed-blocksize stream. Note that though + * the spec doesn't allow zeroes in the STREAMINFO block, we may + * never get a STREAMINFO block when decoding so the value of + * min_blocksize might be zero. + */ + else if(min_blocksize == max_blocksize && min_blocksize > 0) { + /* note there are no () around 'bps/8' to keep precision up since it's an integer calculation */ + approx_bytes_per_frame = min_blocksize * channels * bps/8 + 64; + } + else + approx_bytes_per_frame = 4096 * channels * bps/8 + 64; + + /* + * First, we set an upper and lower bound on where in the + * stream we will search. For now we take the current position + * as one bound and, depending on where the target position lies, + * the beginning of the first frame or the end of the stream as + * the other bound. + */ + lower_bound = first_frame_offset; + lower_bound_sample = 0; + upper_bound = stream_length; + upper_bound_sample = total_samples > 0 ? total_samples : target_sample /*estimate it*/; + + if(decoder->protected_->state == FLAC__STREAM_DECODER_SEARCH_FOR_FRAME_SYNC && + decoder->private_->samples_decoded != 0) { + if(target_sample < decoder->private_->samples_decoded) { + if(FLAC__stream_decoder_get_decode_position(decoder, &upper_bound)) + upper_bound_sample = decoder->private_->samples_decoded; + } else { + if(FLAC__stream_decoder_get_decode_position(decoder, &lower_bound)) + lower_bound_sample = decoder->private_->samples_decoded; + } + } + + /* + * Now we refine the bounds if we have a seektable with + * suitable points. Note that according to the spec they + * must be ordered by ascending sample number. + * + * Note: to protect against invalid seek tables we will ignore points + * that have frame_samples==0 or sample_number>=total_samples. Also, + * because math is limited to 64-bit ints, seekpoints with an offset + * larger than 2^63 (8 exbibyte) are rejected. + */ + if(seek_table) { + FLAC__uint64 new_lower_bound = lower_bound; + FLAC__uint64 new_upper_bound = upper_bound; + FLAC__uint64 new_lower_bound_sample = lower_bound_sample; + FLAC__uint64 new_upper_bound_sample = upper_bound_sample; + + /* find the closest seek point <= target_sample, if it exists */ + for(i = (int)seek_table->num_points - 1; i >= 0; i--) { + if( + seek_table->points[i].sample_number != FLAC__STREAM_METADATA_SEEKPOINT_PLACEHOLDER && + seek_table->points[i].frame_samples > 0 && /* defense against bad seekpoints */ + (total_samples <= 0 || seek_table->points[i].sample_number < total_samples) && /* defense against bad seekpoints */ + seek_table->points[i].sample_number <= target_sample + ) + break; + } + if(i >= 0) { /* i.e. we found a suitable seek point... */ + new_lower_bound = first_frame_offset + seek_table->points[i].stream_offset; + new_lower_bound_sample = seek_table->points[i].sample_number; + } + + /* find the closest seek point > target_sample, if it exists */ + for(i = 0; i < (int)seek_table->num_points; i++) { + if( + seek_table->points[i].sample_number != FLAC__STREAM_METADATA_SEEKPOINT_PLACEHOLDER && + seek_table->points[i].frame_samples > 0 && /* defense against bad seekpoints */ + (total_samples <= 0 || seek_table->points[i].sample_number < total_samples) && /* defense against bad seekpoints */ + seek_table->points[i].sample_number > target_sample + ) + break; + } + if(i < (int)seek_table->num_points) { /* i.e. we found a suitable seek point... */ + new_upper_bound = first_frame_offset + seek_table->points[i].stream_offset; + new_upper_bound_sample = seek_table->points[i].sample_number; + } + /* final protection against unsorted seek tables; keep original values if bogus */ + if(new_upper_bound >= new_lower_bound) { + lower_bound = new_lower_bound; + upper_bound = new_upper_bound; + lower_bound_sample = new_lower_bound_sample; + upper_bound_sample = new_upper_bound_sample; + } + } + + FLAC__ASSERT(upper_bound_sample >= lower_bound_sample); + /* there are 2 insidious ways that the following equality occurs, which + * we need to fix: + * 1) total_samples is 0 (unknown) and target_sample is 0 + * 2) total_samples is 0 (unknown) and target_sample happens to be + * exactly equal to the last seek point in the seek table; this + * means there is no seek point above it, and upper_bound_samples + * remains equal to the estimate (of target_samples) we made above + * in either case it does not hurt to move upper_bound_sample up by 1 + */ + if(upper_bound_sample == lower_bound_sample) + upper_bound_sample++; + + decoder->private_->target_sample = target_sample; + while(1) { + /* check whether decoder is still valid so bad state isn't overwritten + * with seek error */ + if(decoder->protected_->state == FLAC__STREAM_DECODER_MEMORY_ALLOCATION_ERROR || + decoder->protected_->state == FLAC__STREAM_DECODER_ABORTED) + return false; + /* check if the bounds are still ok */ + if (lower_bound_sample >= upper_bound_sample || + lower_bound > upper_bound || + upper_bound >= INT64_MAX) { + decoder->protected_->state = FLAC__STREAM_DECODER_SEEK_ERROR; + return false; + } + if(seek_from_lower_bound) { + pos = lower_bound; + } + else { +#ifndef FLAC__INTEGER_ONLY_LIBRARY + pos = (FLAC__int64)lower_bound + (FLAC__int64)((double)(target_sample - lower_bound_sample) / (double)(upper_bound_sample - lower_bound_sample) * (double)(upper_bound - lower_bound)) - approx_bytes_per_frame; +#else + /* a little less accurate: */ + if(upper_bound - lower_bound < 0xffffffff) + pos = (FLAC__int64)lower_bound + (FLAC__int64)(((target_sample - lower_bound_sample) * (upper_bound - lower_bound)) / (upper_bound_sample - lower_bound_sample)) - approx_bytes_per_frame; + else { /* @@@ WATCHOUT, ~2TB limit */ + FLAC__uint64 ratio = (1<<16) / (upper_bound_sample - lower_bound_sample); + pos = (FLAC__int64)lower_bound + (FLAC__int64)((((target_sample - lower_bound_sample)>>8) * ((upper_bound - lower_bound)>>8) * ratio)) - approx_bytes_per_frame; + } +#endif + } + if(pos >= (FLAC__int64)upper_bound) + pos = (FLAC__int64)upper_bound - 1; + if(pos < (FLAC__int64)lower_bound) + pos = (FLAC__int64)lower_bound; + if(decoder->private_->seek_callback(decoder, (FLAC__uint64)pos, decoder->private_->client_data) != FLAC__STREAM_DECODER_SEEK_STATUS_OK) { + decoder->protected_->state = FLAC__STREAM_DECODER_SEEK_ERROR; + return false; + } + if(!FLAC__stream_decoder_flush(decoder)) { + /* above call sets the state for us */ + return false; + } + /* Now we need to get a frame. First we need to reset our + * unparseable_frame_count; if we get too many unparseable + * frames in a row, the read callback will return + * FLAC__STREAM_DECODER_READ_STATUS_ABORT, causing + * FLAC__stream_decoder_process_single() to return false. + */ + decoder->private_->unparseable_frame_count = 0; + if(!FLAC__stream_decoder_process_single(decoder) || decoder->protected_->state == FLAC__STREAM_DECODER_ABORTED || 0 == decoder->private_->samples_decoded) { + /* No frame could be decoded */ + if(decoder->protected_->state != FLAC__STREAM_DECODER_ABORTED && decoder->private_->eof_callback(decoder, decoder->private_->client_data) && !seek_from_lower_bound){ + /* decoder has hit end of stream while processing corrupt + * frame. To remedy this, try decoding a frame at the lower + * bound so the seek after that hopefully ends up somewhere + * else */ + seek_from_lower_bound = true; + continue; + } + else { + decoder->protected_->state = FLAC__STREAM_DECODER_SEEK_ERROR; + return false; + } + } + seek_from_lower_bound = false; + + /* our write callback will change the state when it gets to the target frame */ + /* actually, we could have got_a_frame if our decoder is at FLAC__STREAM_DECODER_END_OF_STREAM so we need to check for that also */ + if(!decoder->private_->is_seeking) + break; + + FLAC__ASSERT(decoder->private_->last_frame.header.number_type == FLAC__FRAME_NUMBER_TYPE_SAMPLE_NUMBER); + this_frame_sample = decoder->private_->last_frame.header.number.sample_number; + + if(this_frame_sample + decoder->private_->last_frame.header.blocksize >= upper_bound_sample && !first_seek) { + if (pos == (FLAC__int64)lower_bound) { + /* can't move back any more than the first frame, something is fatally wrong */ + decoder->protected_->state = FLAC__STREAM_DECODER_SEEK_ERROR; + return false; + } + /* our last move backwards wasn't big enough, try again */ + approx_bytes_per_frame = approx_bytes_per_frame? approx_bytes_per_frame * 2 : 16; + continue; + } + /* allow one seek over upper bound, so we can get a correct upper_bound_sample for streams with unknown total_samples */ + first_seek = false; + + /* make sure we are not seeking in corrupted stream */ + if (this_frame_sample < lower_bound_sample) { + decoder->protected_->state = FLAC__STREAM_DECODER_SEEK_ERROR; + return false; + } + + /* we need to narrow the search */ + if(target_sample < this_frame_sample) { + upper_bound_sample = this_frame_sample + decoder->private_->last_frame.header.blocksize; +/*@@@@@@ what will decode position be if at end of stream? */ + if(!FLAC__stream_decoder_get_decode_position(decoder, &upper_bound)) { + decoder->protected_->state = FLAC__STREAM_DECODER_SEEK_ERROR; + return false; + } + approx_bytes_per_frame = (uint32_t)(2 * (upper_bound - pos) / 3 + 16); + } + else { /* target_sample >= this_frame_sample + this frame's blocksize */ + lower_bound_sample = this_frame_sample + decoder->private_->last_frame.header.blocksize; + if(!FLAC__stream_decoder_get_decode_position(decoder, &lower_bound)) { + decoder->protected_->state = FLAC__STREAM_DECODER_SEEK_ERROR; + return false; + } + approx_bytes_per_frame = (uint32_t)(2 * (lower_bound - pos) / 3 + 16); + } + } + + return true; +} + +#if FLAC__HAS_OGG +FLAC__bool seek_to_absolute_sample_ogg_(FLAC__StreamDecoder *decoder, FLAC__uint64 stream_length, FLAC__uint64 target_sample) +{ + FLAC__uint64 left_pos = 0, right_pos = stream_length; + FLAC__uint64 left_sample = 0, right_sample = FLAC__stream_decoder_get_total_samples(decoder); + FLAC__uint64 this_frame_sample = (FLAC__uint64)0 - 1; + FLAC__uint64 pos = 0; /* only initialized to avoid compiler warning */ + FLAC__bool did_a_seek; + uint32_t iteration = 0; + + /* In the first iterations, we will calculate the target byte position + * by the distance from the target sample to left_sample and + * right_sample (let's call it "proportional search"). After that, we + * will switch to binary search. + */ + uint32_t BINARY_SEARCH_AFTER_ITERATION = 2; + + /* We will switch to a linear search once our current sample is less + * than this number of samples ahead of the target sample + */ + static const FLAC__uint64 LINEAR_SEARCH_WITHIN_SAMPLES = FLAC__MAX_BLOCK_SIZE * 2; + + /* If the total number of samples is unknown, use a large value, and + * force binary search immediately. + */ + if(right_sample == 0) { + right_sample = (FLAC__uint64)(-1); + BINARY_SEARCH_AFTER_ITERATION = 0; + } + + decoder->private_->target_sample = target_sample; + for( ; ; iteration++) { + /* Do sanity checks on bounds */ + if(right_pos <= left_pos || right_pos - left_pos < 9) { + /* FLAC frame is at least 9 byte in size */ + decoder->protected_->state = FLAC__STREAM_DECODER_SEEK_ERROR; + return false; + } + if (iteration == 0 || this_frame_sample > target_sample || target_sample - this_frame_sample > LINEAR_SEARCH_WITHIN_SAMPLES) { + if (iteration >= BINARY_SEARCH_AFTER_ITERATION) { + pos = (right_pos + left_pos) / 2; + } + else { +#ifndef FLAC__INTEGER_ONLY_LIBRARY + pos = (FLAC__uint64)((double)(target_sample - left_sample) / (double)(right_sample - left_sample) * (double)(right_pos - left_pos)); +#else + /* a little less accurate: */ + if ((target_sample-left_sample <= 0xffffffff) && (right_pos-left_pos <= 0xffffffff)) + pos = (FLAC__int64)(((target_sample-left_sample) * (right_pos-left_pos)) / (right_sample-left_sample)); + else /* @@@ WATCHOUT, ~2TB limit */ + pos = (FLAC__int64)((((target_sample-left_sample)>>8) * ((right_pos-left_pos)>>8)) / ((right_sample-left_sample)>>16)); +#endif + /* @@@ TODO: might want to limit pos to some distance + * before EOF, to make sure we land before the last frame, + * thereby getting a this_frame_sample and so having a better + * estimate. + */ + } + + /* physical seek */ + if(decoder->private_->seek_callback((FLAC__StreamDecoder*)decoder, (FLAC__uint64)pos, decoder->private_->client_data) != FLAC__STREAM_DECODER_SEEK_STATUS_OK) { + decoder->protected_->state = FLAC__STREAM_DECODER_SEEK_ERROR; + return false; + } + if(!FLAC__stream_decoder_flush(decoder)) { + /* above call sets the state for us */ + return false; + } + did_a_seek = true; + } + else + did_a_seek = false; + + decoder->private_->got_a_frame = false; + if(!FLAC__stream_decoder_process_single(decoder) || + decoder->protected_->state == FLAC__STREAM_DECODER_ABORTED) { + decoder->protected_->state = FLAC__STREAM_DECODER_SEEK_ERROR; + return false; + } + if(!decoder->private_->got_a_frame) { + if(did_a_seek) { + /* this can happen if we seek to a point after the last frame; we drop + * to binary search right away in this case to avoid any wasted + * iterations of proportional search. + */ + right_pos = pos; + BINARY_SEARCH_AFTER_ITERATION = 0; + } + else { + /* this can probably only happen if total_samples is unknown and the + * target_sample is past the end of the stream + */ + decoder->protected_->state = FLAC__STREAM_DECODER_SEEK_ERROR; + return false; + } + } + /* our write callback will change the state when it gets to the target frame */ + else if(!decoder->private_->is_seeking) { + break; + } + else { + this_frame_sample = decoder->private_->last_frame.header.number.sample_number; + FLAC__ASSERT(decoder->private_->last_frame.header.number_type == FLAC__FRAME_NUMBER_TYPE_SAMPLE_NUMBER); + + if (did_a_seek) { + if (this_frame_sample <= target_sample) { + /* The 'equal' case should not happen, since + * FLAC__stream_decoder_process_single() + * should recognize that it has hit the + * target sample and we would exit through + * the 'break' above. + */ + FLAC__ASSERT(this_frame_sample != target_sample); + + left_sample = this_frame_sample; + /* sanity check to avoid infinite loop */ + if (left_pos == pos) { + decoder->protected_->state = FLAC__STREAM_DECODER_SEEK_ERROR; + return false; + } + left_pos = pos; + } + else { + right_sample = this_frame_sample; + /* sanity check to avoid infinite loop */ + if (right_pos == pos) { + decoder->protected_->state = FLAC__STREAM_DECODER_SEEK_ERROR; + return false; + } + right_pos = pos; + } + } + } + } + + return true; +} +#endif + +FLAC__StreamDecoderReadStatus file_read_callback_(const FLAC__StreamDecoder *decoder, FLAC__byte buffer[], size_t *bytes, void *client_data) +{ + (void)client_data; + + if(*bytes > 0) { + *bytes = fread(buffer, sizeof(FLAC__byte), *bytes, decoder->private_->file); + if(ferror(decoder->private_->file)) + return FLAC__STREAM_DECODER_READ_STATUS_ABORT; + else if(*bytes == 0) + return FLAC__STREAM_DECODER_READ_STATUS_END_OF_STREAM; + else + return FLAC__STREAM_DECODER_READ_STATUS_CONTINUE; + } + else + return FLAC__STREAM_DECODER_READ_STATUS_ABORT; /* abort to avoid a deadlock */ +} + +FLAC__StreamDecoderSeekStatus file_seek_callback_(const FLAC__StreamDecoder *decoder, FLAC__uint64 absolute_byte_offset, void *client_data) +{ + (void)client_data; + + if(decoder->private_->file == stdin) + return FLAC__STREAM_DECODER_SEEK_STATUS_UNSUPPORTED; + else if(fseeko(decoder->private_->file, (FLAC__off_t)absolute_byte_offset, SEEK_SET) < 0) + return FLAC__STREAM_DECODER_SEEK_STATUS_ERROR; + else + return FLAC__STREAM_DECODER_SEEK_STATUS_OK; +} + +FLAC__StreamDecoderTellStatus file_tell_callback_(const FLAC__StreamDecoder *decoder, FLAC__uint64 *absolute_byte_offset, void *client_data) +{ + FLAC__off_t pos; + (void)client_data; + + if(decoder->private_->file == stdin) + return FLAC__STREAM_DECODER_TELL_STATUS_UNSUPPORTED; + else if((pos = ftello(decoder->private_->file)) < 0) + return FLAC__STREAM_DECODER_TELL_STATUS_ERROR; + else { + *absolute_byte_offset = (FLAC__uint64)pos; + return FLAC__STREAM_DECODER_TELL_STATUS_OK; + } +} + +FLAC__StreamDecoderLengthStatus file_length_callback_(const FLAC__StreamDecoder *decoder, FLAC__uint64 *stream_length, void *client_data) +{ + struct flac_stat_s filestats; + (void)client_data; + + if(decoder->private_->file == stdin) + return FLAC__STREAM_DECODER_LENGTH_STATUS_UNSUPPORTED; + +#ifndef FLAC__USE_FILELENGTHI64 + if(flac_fstat(fileno(decoder->private_->file), &filestats) != 0) +#else + filestats.st_size = _filelengthi64(fileno(decoder->private_->file)); + if(filestats.st_size < 0) +#endif + return FLAC__STREAM_DECODER_LENGTH_STATUS_ERROR; + else { + *stream_length = (FLAC__uint64)filestats.st_size; + return FLAC__STREAM_DECODER_LENGTH_STATUS_OK; + } +} + +FLAC__bool file_eof_callback_(const FLAC__StreamDecoder *decoder, void *client_data) +{ + (void)client_data; + + return feof(decoder->private_->file)? true : false; +} diff --git a/src/libFLAC/stream_encoder.c b/src/libFLAC/stream_encoder.c new file mode 100644 index 0000000..c1c03e4 --- /dev/null +++ b/src/libFLAC/stream_encoder.c @@ -0,0 +1,4738 @@ +/* libFLAC - Free Lossless Audio Codec library + * Copyright (C) 2000-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * - Neither the name of the Xiph.org Foundation nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include <limits.h> +#include <stdio.h> +#include <stdlib.h> /* for malloc() */ +#include <string.h> /* for memcpy() */ +#include <sys/types.h> /* for off_t */ +#ifdef _WIN32 +#include <windows.h> /* for GetFileType() */ +#include <io.h> /* for _get_osfhandle() */ +#endif +#include "share/compat.h" +#include "FLAC/assert.h" +#include "FLAC/stream_decoder.h" +#include "protected/stream_encoder.h" +#include "private/bitwriter.h" +#include "private/bitmath.h" +#include "private/crc.h" +#include "private/cpu.h" +#include "private/fixed.h" +#include "private/format.h" +#include "private/lpc.h" +#include "private/md5.h" +#include "private/memory.h" +#include "private/macros.h" +#if FLAC__HAS_OGG +#include "private/ogg_helper.h" +#include "private/ogg_mapping.h" +#endif +#include "private/stream_encoder.h" +#include "private/stream_encoder_framing.h" +#include "private/window.h" +#include "share/alloc.h" +#include "share/private.h" + + +/* Exact Rice codeword length calculation is off by default. The simple + * (and fast) estimation (of how many bits a residual value will be + * encoded with) in this encoder is very good, almost always yielding + * compression within 0.1% of exact calculation. + */ +#undef EXACT_RICE_BITS_CALCULATION +/* Rice parameter searching is off by default. The simple (and fast) + * parameter estimation in this encoder is very good, almost always + * yielding compression within 0.1% of the optimal parameters. + */ +#undef ENABLE_RICE_PARAMETER_SEARCH + + +typedef struct { + FLAC__int32 *data[FLAC__MAX_CHANNELS]; + uint32_t size; /* of each data[] in samples */ + uint32_t tail; +} verify_input_fifo; + +typedef struct { + const FLAC__byte *data; + uint32_t capacity; + uint32_t bytes; +} verify_output; + +#ifndef FLAC__INTEGER_ONLY_LIBRARY +typedef struct { + uint32_t a, b, c; + FLAC__ApodizationSpecification * current_apodization; + double autoc_root[FLAC__MAX_LPC_ORDER+1]; + double autoc[FLAC__MAX_LPC_ORDER+1]; +} apply_apodization_state_struct; +#endif + +typedef enum { + ENCODER_IN_MAGIC = 0, + ENCODER_IN_METADATA = 1, + ENCODER_IN_AUDIO = 2 +} EncoderStateHint; + +static const struct CompressionLevels { + FLAC__bool do_mid_side_stereo; + FLAC__bool loose_mid_side_stereo; + uint32_t max_lpc_order; + uint32_t qlp_coeff_precision; + FLAC__bool do_qlp_coeff_prec_search; + FLAC__bool do_escape_coding; + FLAC__bool do_exhaustive_model_search; + uint32_t min_residual_partition_order; + uint32_t max_residual_partition_order; + uint32_t rice_parameter_search_dist; + const char *apodization; +} compression_levels_[] = { + { false, false, 0, 0, false, false, false, 0, 3, 0, "tukey(5e-1)" }, + { true , true , 0, 0, false, false, false, 0, 3, 0, "tukey(5e-1)" }, + { true , false, 0, 0, false, false, false, 0, 3, 0, "tukey(5e-1)" }, + { false, false, 6, 0, false, false, false, 0, 4, 0, "tukey(5e-1)" }, + { true , true , 8, 0, false, false, false, 0, 4, 0, "tukey(5e-1)" }, + { true , false, 8, 0, false, false, false, 0, 5, 0, "tukey(5e-1)" }, + { true , false, 8, 0, false, false, false, 0, 6, 0, "subdivide_tukey(2)" }, + { true , false, 12, 0, false, false, false, 0, 6, 0, "subdivide_tukey(2)" }, + { true , false, 12, 0, false, false, false, 0, 6, 0, "subdivide_tukey(3)" } + /* here we use locale-independent 5e-1 instead of 0.5 or 0,5 */ +}; + + +/*********************************************************************** + * + * Private class method prototypes + * + ***********************************************************************/ + +static void set_defaults_(FLAC__StreamEncoder *encoder); +static void free_(FLAC__StreamEncoder *encoder); +static FLAC__bool resize_buffers_(FLAC__StreamEncoder *encoder, uint32_t new_blocksize); +static FLAC__bool write_bitbuffer_(FLAC__StreamEncoder *encoder, uint32_t samples, FLAC__bool is_last_block); +static FLAC__StreamEncoderWriteStatus write_frame_(FLAC__StreamEncoder *encoder, const FLAC__byte buffer[], size_t bytes, uint32_t samples, FLAC__bool is_last_block); +static void update_metadata_(const FLAC__StreamEncoder *encoder); +#if FLAC__HAS_OGG +static void update_ogg_metadata_(FLAC__StreamEncoder *encoder); +#endif +static FLAC__bool process_frame_(FLAC__StreamEncoder *encoder, FLAC__bool is_last_block); +static FLAC__bool process_subframes_(FLAC__StreamEncoder *encoder); + +static FLAC__bool process_subframe_( + FLAC__StreamEncoder *encoder, + uint32_t min_partition_order, + uint32_t max_partition_order, + const FLAC__FrameHeader *frame_header, + uint32_t subframe_bps, + const void *integer_signal, + FLAC__Subframe *subframe[2], + FLAC__EntropyCodingMethod_PartitionedRiceContents *partitioned_rice_contents[2], + FLAC__int32 *residual[2], + uint32_t *best_subframe, + uint32_t *best_bits +); + +#ifndef FLAC__INTEGER_ONLY_LIBRARY +static FLAC__bool apply_apodization_( + FLAC__StreamEncoder *encoder, + apply_apodization_state_struct *apply_apodization_state, + uint32_t blocksize, + double *lpc_error, + uint32_t *max_lpc_order_this_apodization, + uint32_t subframe_bps, + const void *integer_signal, + uint32_t *guess_lpc_order +); +#endif + +static FLAC__bool add_subframe_( + FLAC__StreamEncoder *encoder, + uint32_t blocksize, + uint32_t subframe_bps, + const FLAC__Subframe *subframe, + FLAC__BitWriter *frame +); + +static uint32_t evaluate_constant_subframe_( + FLAC__StreamEncoder *encoder, + const FLAC__int64 signal, + uint32_t blocksize, + uint32_t subframe_bps, + FLAC__Subframe *subframe +); + +static uint32_t evaluate_fixed_subframe_( + FLAC__StreamEncoder *encoder, + const void *signal, + FLAC__int32 residual[], + FLAC__uint64 abs_residual_partition_sums[], + uint32_t raw_bits_per_partition[], + uint32_t blocksize, + uint32_t subframe_bps, + uint32_t order, + uint32_t rice_parameter_limit, + uint32_t min_partition_order, + uint32_t max_partition_order, + FLAC__bool do_escape_coding, + uint32_t rice_parameter_search_dist, + FLAC__Subframe *subframe, + FLAC__EntropyCodingMethod_PartitionedRiceContents *partitioned_rice_contents +); + +#ifndef FLAC__INTEGER_ONLY_LIBRARY +static uint32_t evaluate_lpc_subframe_( + FLAC__StreamEncoder *encoder, + const void *signal, + FLAC__int32 residual[], + FLAC__uint64 abs_residual_partition_sums[], + uint32_t raw_bits_per_partition[], + const FLAC__real lp_coeff[], + uint32_t blocksize, + uint32_t subframe_bps, + uint32_t order, + uint32_t qlp_coeff_precision, + uint32_t rice_parameter_limit, + uint32_t min_partition_order, + uint32_t max_partition_order, + FLAC__bool do_escape_coding, + uint32_t rice_parameter_search_dist, + FLAC__Subframe *subframe, + FLAC__EntropyCodingMethod_PartitionedRiceContents *partitioned_rice_contents +); +#endif + +static uint32_t evaluate_verbatim_subframe_( + FLAC__StreamEncoder *encoder, + const void *signal, + uint32_t blocksize, + uint32_t subframe_bps, + FLAC__Subframe *subframe +); + +static uint32_t find_best_partition_order_( + struct FLAC__StreamEncoderPrivate *private_, + const FLAC__int32 residual[], + FLAC__uint64 abs_residual_partition_sums[], + uint32_t raw_bits_per_partition[], + uint32_t residual_samples, + uint32_t predictor_order, + uint32_t rice_parameter_limit, + uint32_t min_partition_order, + uint32_t max_partition_order, + uint32_t bps, + FLAC__bool do_escape_coding, + uint32_t rice_parameter_search_dist, + FLAC__EntropyCodingMethod *best_ecm +); + +static void precompute_partition_info_sums_( + const FLAC__int32 residual[], + FLAC__uint64 abs_residual_partition_sums[], + uint32_t residual_samples, + uint32_t predictor_order, + uint32_t min_partition_order, + uint32_t max_partition_order, + uint32_t bps +); + +static void precompute_partition_info_escapes_( + const FLAC__int32 residual[], + uint32_t raw_bits_per_partition[], + uint32_t residual_samples, + uint32_t predictor_order, + uint32_t min_partition_order, + uint32_t max_partition_order +); + +static FLAC__bool set_partitioned_rice_( +#ifdef EXACT_RICE_BITS_CALCULATION + const FLAC__int32 residual[], +#endif + const FLAC__uint64 abs_residual_partition_sums[], + const uint32_t raw_bits_per_partition[], + const uint32_t residual_samples, + const uint32_t predictor_order, + const uint32_t rice_parameter_limit, + const uint32_t rice_parameter_search_dist, + const uint32_t partition_order, + const FLAC__bool search_for_escapes, + FLAC__EntropyCodingMethod_PartitionedRiceContents *partitioned_rice_contents, + uint32_t *bits +); + +static uint32_t get_wasted_bits_(FLAC__int32 signal[], uint32_t samples); +static uint32_t get_wasted_bits_wide_(FLAC__int64 signal_wide[], FLAC__int32 signal[], uint32_t samples); + +/* verify-related routines: */ +static void append_to_verify_fifo_( + verify_input_fifo *fifo, + const FLAC__int32 * const input[], + uint32_t input_offset, + uint32_t channels, + uint32_t wide_samples +); + +static void append_to_verify_fifo_interleaved_( + verify_input_fifo *fifo, + const FLAC__int32 input[], + uint32_t input_offset, + uint32_t channels, + uint32_t wide_samples +); + +static FLAC__StreamDecoderReadStatus verify_read_callback_(const FLAC__StreamDecoder *decoder, FLAC__byte buffer[], size_t *bytes, void *client_data); +static FLAC__StreamDecoderWriteStatus verify_write_callback_(const FLAC__StreamDecoder *decoder, const FLAC__Frame *frame, const FLAC__int32 * const buffer[], void *client_data); +static void verify_metadata_callback_(const FLAC__StreamDecoder *decoder, const FLAC__StreamMetadata *metadata, void *client_data); +static void verify_error_callback_(const FLAC__StreamDecoder *decoder, FLAC__StreamDecoderErrorStatus status, void *client_data); + +static FLAC__StreamEncoderReadStatus file_read_callback_(const FLAC__StreamEncoder *encoder, FLAC__byte buffer[], size_t *bytes, void *client_data); +static FLAC__StreamEncoderSeekStatus file_seek_callback_(const FLAC__StreamEncoder *encoder, FLAC__uint64 absolute_byte_offset, void *client_data); +static FLAC__StreamEncoderTellStatus file_tell_callback_(const FLAC__StreamEncoder *encoder, FLAC__uint64 *absolute_byte_offset, void *client_data); +static FLAC__StreamEncoderWriteStatus file_write_callback_(const FLAC__StreamEncoder *encoder, const FLAC__byte buffer[], size_t bytes, uint32_t samples, uint32_t current_frame, void *client_data); +static FILE *get_binary_stdout_(void); + + +/*********************************************************************** + * + * Private class data + * + ***********************************************************************/ + +typedef struct FLAC__StreamEncoderPrivate { + uint32_t input_capacity; /* current size (in samples) of the signal and residual buffers */ + FLAC__int32 *integer_signal[FLAC__MAX_CHANNELS]; /* the integer version of the input signal */ + FLAC__int32 *integer_signal_mid_side[2]; /* the integer version of the mid-side input signal (stereo only) */ + FLAC__int64 *integer_signal_33bit_side; /* 33-bit side for 32-bit stereo decorrelation */ +#ifndef FLAC__INTEGER_ONLY_LIBRARY + FLAC__real *real_signal[FLAC__MAX_CHANNELS]; /* (@@@ currently unused) the floating-point version of the input signal */ + FLAC__real *real_signal_mid_side[2]; /* (@@@ currently unused) the floating-point version of the mid-side input signal (stereo only) */ + FLAC__real *window[FLAC__MAX_APODIZATION_FUNCTIONS]; /* the pre-computed floating-point window for each apodization function */ + FLAC__real *windowed_signal; /* the integer_signal[] * current window[] */ +#endif + uint32_t subframe_bps[FLAC__MAX_CHANNELS]; /* the effective bits per sample of the input signal (stream bps - wasted bits) */ + uint32_t subframe_bps_mid_side[2]; /* the effective bits per sample of the mid-side input signal (stream bps - wasted bits + 0/1) */ + FLAC__int32 *residual_workspace[FLAC__MAX_CHANNELS][2]; /* each channel has a candidate and best workspace where the subframe residual signals will be stored */ + FLAC__int32 *residual_workspace_mid_side[2][2]; + FLAC__Subframe subframe_workspace[FLAC__MAX_CHANNELS][2]; + FLAC__Subframe subframe_workspace_mid_side[2][2]; + FLAC__Subframe *subframe_workspace_ptr[FLAC__MAX_CHANNELS][2]; + FLAC__Subframe *subframe_workspace_ptr_mid_side[2][2]; + FLAC__EntropyCodingMethod_PartitionedRiceContents partitioned_rice_contents_workspace[FLAC__MAX_CHANNELS][2]; + FLAC__EntropyCodingMethod_PartitionedRiceContents partitioned_rice_contents_workspace_mid_side[FLAC__MAX_CHANNELS][2]; + FLAC__EntropyCodingMethod_PartitionedRiceContents *partitioned_rice_contents_workspace_ptr[FLAC__MAX_CHANNELS][2]; + FLAC__EntropyCodingMethod_PartitionedRiceContents *partitioned_rice_contents_workspace_ptr_mid_side[FLAC__MAX_CHANNELS][2]; + uint32_t best_subframe[FLAC__MAX_CHANNELS]; /* index (0 or 1) into 2nd dimension of the above workspaces */ + uint32_t best_subframe_mid_side[2]; + uint32_t best_subframe_bits[FLAC__MAX_CHANNELS]; /* size in bits of the best subframe for each channel */ + uint32_t best_subframe_bits_mid_side[2]; + FLAC__uint64 *abs_residual_partition_sums; /* workspace where the sum of abs(candidate residual) for each partition is stored */ + uint32_t *raw_bits_per_partition; /* workspace where the sum of silog2(candidate residual) for each partition is stored */ + FLAC__BitWriter *frame; /* the current frame being worked on */ + uint32_t loose_mid_side_stereo_frames; /* rounded number of frames the encoder will use before trying both independent and mid/side frames again */ + uint32_t loose_mid_side_stereo_frame_count; /* number of frames using the current channel assignment */ + FLAC__ChannelAssignment last_channel_assignment; + FLAC__StreamMetadata streaminfo; /* scratchpad for STREAMINFO as it is built */ + FLAC__StreamMetadata_SeekTable *seek_table; /* pointer into encoder->protected_->metadata_ where the seek table is */ + uint32_t current_sample_number; + uint32_t current_frame_number; + FLAC__MD5Context md5context; + FLAC__CPUInfo cpuinfo; + void (*local_precompute_partition_info_sums)(const FLAC__int32 residual[], FLAC__uint64 abs_residual_partition_sums[], uint32_t residual_samples, uint32_t predictor_order, uint32_t min_partition_order, uint32_t max_partition_order, uint32_t bps); +#ifndef FLAC__INTEGER_ONLY_LIBRARY + uint32_t (*local_fixed_compute_best_predictor)(const FLAC__int32 data[], uint32_t data_len, float residual_bits_per_sample[FLAC__MAX_FIXED_ORDER+1]); + uint32_t (*local_fixed_compute_best_predictor_wide)(const FLAC__int32 data[], uint32_t data_len, float residual_bits_per_sample[FLAC__MAX_FIXED_ORDER+1]); + uint32_t (*local_fixed_compute_best_predictor_limit_residual)(const FLAC__int32 data[], uint32_t data_len, float residual_bits_per_sample[FLAC__MAX_FIXED_ORDER+1]); +#else + uint32_t (*local_fixed_compute_best_predictor)(const FLAC__int32 data[], uint32_t data_len, FLAC__fixedpoint residual_bits_per_sample[FLAC__MAX_FIXED_ORDER+1]); + uint32_t (*local_fixed_compute_best_predictor_wide)(const FLAC__int32 data[], uint32_t data_len, FLAC__fixedpoint residual_bits_per_sample[FLAC__MAX_FIXED_ORDER+1]); + uint32_t (*local_fixed_compute_best_predictor_limit_residual)(const FLAC__int32 data[], uint32_t data_len, FLAC__fixedpoint residual_bits_per_sample[FLAC__MAX_FIXED_ORDER+1]); +#endif +#ifndef FLAC__INTEGER_ONLY_LIBRARY + void (*local_lpc_compute_autocorrelation)(const FLAC__real data[], uint32_t data_len, uint32_t lag, double autoc[]); + void (*local_lpc_compute_residual_from_qlp_coefficients)(const FLAC__int32 *data, uint32_t data_len, const FLAC__int32 qlp_coeff[], uint32_t order, int lp_quantization, FLAC__int32 residual[]); + void (*local_lpc_compute_residual_from_qlp_coefficients_64bit)(const FLAC__int32 *data, uint32_t data_len, const FLAC__int32 qlp_coeff[], uint32_t order, int lp_quantization, FLAC__int32 residual[]); + void (*local_lpc_compute_residual_from_qlp_coefficients_16bit)(const FLAC__int32 *data, uint32_t data_len, const FLAC__int32 qlp_coeff[], uint32_t order, int lp_quantization, FLAC__int32 residual[]); +#endif + FLAC__bool disable_mmx; + FLAC__bool disable_sse2; + FLAC__bool disable_ssse3; + FLAC__bool disable_sse41; + FLAC__bool disable_sse42; + FLAC__bool disable_avx2; + FLAC__bool disable_fma; + FLAC__bool disable_constant_subframes; + FLAC__bool disable_fixed_subframes; + FLAC__bool disable_verbatim_subframes; + FLAC__bool is_ogg; + FLAC__StreamEncoderReadCallback read_callback; /* currently only needed for Ogg FLAC */ + FLAC__StreamEncoderSeekCallback seek_callback; + FLAC__StreamEncoderTellCallback tell_callback; + FLAC__StreamEncoderWriteCallback write_callback; + FLAC__StreamEncoderMetadataCallback metadata_callback; + FLAC__StreamEncoderProgressCallback progress_callback; + void *client_data; + uint32_t first_seekpoint_to_check; + FILE *file; /* only used when encoding to a file */ + FLAC__uint64 bytes_written; + FLAC__uint64 samples_written; + uint32_t frames_written; + uint32_t total_frames_estimate; + /* unaligned (original) pointers to allocated data */ + FLAC__int32 *integer_signal_unaligned[FLAC__MAX_CHANNELS]; + FLAC__int32 *integer_signal_mid_side_unaligned[2]; + FLAC__int64 *integer_signal_33bit_side_unaligned; +#ifndef FLAC__INTEGER_ONLY_LIBRARY + FLAC__real *real_signal_unaligned[FLAC__MAX_CHANNELS]; /* (@@@ currently unused) */ + FLAC__real *real_signal_mid_side_unaligned[2]; /* (@@@ currently unused) */ + FLAC__real *window_unaligned[FLAC__MAX_APODIZATION_FUNCTIONS]; + FLAC__real *windowed_signal_unaligned; +#endif + FLAC__int32 *residual_workspace_unaligned[FLAC__MAX_CHANNELS][2]; + FLAC__int32 *residual_workspace_mid_side_unaligned[2][2]; + FLAC__uint64 *abs_residual_partition_sums_unaligned; + uint32_t *raw_bits_per_partition_unaligned; + /* + * These fields have been moved here from private function local + * declarations merely to save stack space during encoding. + */ +#ifndef FLAC__INTEGER_ONLY_LIBRARY + FLAC__real lp_coeff[FLAC__MAX_LPC_ORDER][FLAC__MAX_LPC_ORDER]; /* from process_subframe_() */ +#endif + FLAC__EntropyCodingMethod_PartitionedRiceContents partitioned_rice_contents_extra[2]; /* from find_best_partition_order_() */ + /* + * The data for the verify section + */ + struct { + FLAC__StreamDecoder *decoder; + EncoderStateHint state_hint; + FLAC__bool needs_magic_hack; + verify_input_fifo input_fifo; + verify_output output; + struct { + FLAC__uint64 absolute_sample; + uint32_t frame_number; + uint32_t channel; + uint32_t sample; + FLAC__int32 expected; + FLAC__int32 got; + } error_stats; + } verify; + FLAC__bool is_being_deleted; /* if true, call to ..._finish() from ..._delete() will not call the callbacks */ +} FLAC__StreamEncoderPrivate; + +/*********************************************************************** + * + * Public static class data + * + ***********************************************************************/ + +FLAC_API const char * const FLAC__StreamEncoderStateString[] = { + "FLAC__STREAM_ENCODER_OK", + "FLAC__STREAM_ENCODER_UNINITIALIZED", + "FLAC__STREAM_ENCODER_OGG_ERROR", + "FLAC__STREAM_ENCODER_VERIFY_DECODER_ERROR", + "FLAC__STREAM_ENCODER_VERIFY_MISMATCH_IN_AUDIO_DATA", + "FLAC__STREAM_ENCODER_CLIENT_ERROR", + "FLAC__STREAM_ENCODER_IO_ERROR", + "FLAC__STREAM_ENCODER_FRAMING_ERROR", + "FLAC__STREAM_ENCODER_MEMORY_ALLOCATION_ERROR" +}; + +FLAC_API const char * const FLAC__StreamEncoderInitStatusString[] = { + "FLAC__STREAM_ENCODER_INIT_STATUS_OK", + "FLAC__STREAM_ENCODER_INIT_STATUS_ENCODER_ERROR", + "FLAC__STREAM_ENCODER_INIT_STATUS_UNSUPPORTED_CONTAINER", + "FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_CALLBACKS", + "FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_NUMBER_OF_CHANNELS", + "FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_BITS_PER_SAMPLE", + "FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_SAMPLE_RATE", + "FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_BLOCK_SIZE", + "FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_MAX_LPC_ORDER", + "FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_QLP_COEFF_PRECISION", + "FLAC__STREAM_ENCODER_INIT_STATUS_BLOCK_SIZE_TOO_SMALL_FOR_LPC_ORDER", + "FLAC__STREAM_ENCODER_INIT_STATUS_NOT_STREAMABLE", + "FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_METADATA", + "FLAC__STREAM_ENCODER_INIT_STATUS_ALREADY_INITIALIZED" +}; + +FLAC_API const char * const FLAC__StreamEncoderReadStatusString[] = { + "FLAC__STREAM_ENCODER_READ_STATUS_CONTINUE", + "FLAC__STREAM_ENCODER_READ_STATUS_END_OF_STREAM", + "FLAC__STREAM_ENCODER_READ_STATUS_ABORT", + "FLAC__STREAM_ENCODER_READ_STATUS_UNSUPPORTED" +}; + +FLAC_API const char * const FLAC__StreamEncoderWriteStatusString[] = { + "FLAC__STREAM_ENCODER_WRITE_STATUS_OK", + "FLAC__STREAM_ENCODER_WRITE_STATUS_FATAL_ERROR" +}; + +FLAC_API const char * const FLAC__StreamEncoderSeekStatusString[] = { + "FLAC__STREAM_ENCODER_SEEK_STATUS_OK", + "FLAC__STREAM_ENCODER_SEEK_STATUS_ERROR", + "FLAC__STREAM_ENCODER_SEEK_STATUS_UNSUPPORTED" +}; + +FLAC_API const char * const FLAC__StreamEncoderTellStatusString[] = { + "FLAC__STREAM_ENCODER_TELL_STATUS_OK", + "FLAC__STREAM_ENCODER_TELL_STATUS_ERROR", + "FLAC__STREAM_ENCODER_TELL_STATUS_UNSUPPORTED" +}; + +/* Number of samples that will be overread to watch for end of stream. By + * 'overread', we mean that the FLAC__stream_encoder_process*() calls will + * always try to read blocksize+1 samples before encoding a block, so that + * even if the stream has a total sample count that is an integral multiple + * of the blocksize, we will still notice when we are encoding the last + * block. This is needed, for example, to correctly set the end-of-stream + * marker in Ogg FLAC. + * + * WATCHOUT: some parts of the code assert that OVERREAD_ == 1 and there's + * not really any reason to change it. + */ +static const uint32_t OVERREAD_ = 1; + +/*********************************************************************** + * + * Class constructor/destructor + * + */ +FLAC_API FLAC__StreamEncoder *FLAC__stream_encoder_new(void) +{ + FLAC__StreamEncoder *encoder; + uint32_t i; + + FLAC__ASSERT(sizeof(int) >= 4); /* we want to die right away if this is not true */ + + encoder = calloc(1, sizeof(FLAC__StreamEncoder)); + if(encoder == 0) { + return 0; + } + + encoder->protected_ = calloc(1, sizeof(FLAC__StreamEncoderProtected)); + if(encoder->protected_ == 0) { + free(encoder); + return 0; + } + + encoder->private_ = calloc(1, sizeof(FLAC__StreamEncoderPrivate)); + if(encoder->private_ == 0) { + free(encoder->protected_); + free(encoder); + return 0; + } + + encoder->private_->frame = FLAC__bitwriter_new(); + if(encoder->private_->frame == 0) { + free(encoder->private_); + free(encoder->protected_); + free(encoder); + return 0; + } + + encoder->private_->file = 0; + + encoder->protected_->state = FLAC__STREAM_ENCODER_UNINITIALIZED; + + set_defaults_(encoder); + + encoder->private_->is_being_deleted = false; + + for(i = 0; i < FLAC__MAX_CHANNELS; i++) { + encoder->private_->subframe_workspace_ptr[i][0] = &encoder->private_->subframe_workspace[i][0]; + encoder->private_->subframe_workspace_ptr[i][1] = &encoder->private_->subframe_workspace[i][1]; + } + for(i = 0; i < 2; i++) { + encoder->private_->subframe_workspace_ptr_mid_side[i][0] = &encoder->private_->subframe_workspace_mid_side[i][0]; + encoder->private_->subframe_workspace_ptr_mid_side[i][1] = &encoder->private_->subframe_workspace_mid_side[i][1]; + } + for(i = 0; i < FLAC__MAX_CHANNELS; i++) { + encoder->private_->partitioned_rice_contents_workspace_ptr[i][0] = &encoder->private_->partitioned_rice_contents_workspace[i][0]; + encoder->private_->partitioned_rice_contents_workspace_ptr[i][1] = &encoder->private_->partitioned_rice_contents_workspace[i][1]; + } + for(i = 0; i < 2; i++) { + encoder->private_->partitioned_rice_contents_workspace_ptr_mid_side[i][0] = &encoder->private_->partitioned_rice_contents_workspace_mid_side[i][0]; + encoder->private_->partitioned_rice_contents_workspace_ptr_mid_side[i][1] = &encoder->private_->partitioned_rice_contents_workspace_mid_side[i][1]; + } + + for(i = 0; i < FLAC__MAX_CHANNELS; i++) { + FLAC__format_entropy_coding_method_partitioned_rice_contents_init(&encoder->private_->partitioned_rice_contents_workspace[i][0]); + FLAC__format_entropy_coding_method_partitioned_rice_contents_init(&encoder->private_->partitioned_rice_contents_workspace[i][1]); + } + for(i = 0; i < 2; i++) { + FLAC__format_entropy_coding_method_partitioned_rice_contents_init(&encoder->private_->partitioned_rice_contents_workspace_mid_side[i][0]); + FLAC__format_entropy_coding_method_partitioned_rice_contents_init(&encoder->private_->partitioned_rice_contents_workspace_mid_side[i][1]); + } + for(i = 0; i < 2; i++) + FLAC__format_entropy_coding_method_partitioned_rice_contents_init(&encoder->private_->partitioned_rice_contents_extra[i]); + + return encoder; +} + +FLAC_API void FLAC__stream_encoder_delete(FLAC__StreamEncoder *encoder) +{ + uint32_t i; + + if (encoder == NULL) + return ; + + FLAC__ASSERT(0 != encoder->protected_); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->private_->frame); + + encoder->private_->is_being_deleted = true; + + (void)FLAC__stream_encoder_finish(encoder); + + if(0 != encoder->private_->verify.decoder) + FLAC__stream_decoder_delete(encoder->private_->verify.decoder); + + for(i = 0; i < FLAC__MAX_CHANNELS; i++) { + FLAC__format_entropy_coding_method_partitioned_rice_contents_clear(&encoder->private_->partitioned_rice_contents_workspace[i][0]); + FLAC__format_entropy_coding_method_partitioned_rice_contents_clear(&encoder->private_->partitioned_rice_contents_workspace[i][1]); + } + for(i = 0; i < 2; i++) { + FLAC__format_entropy_coding_method_partitioned_rice_contents_clear(&encoder->private_->partitioned_rice_contents_workspace_mid_side[i][0]); + FLAC__format_entropy_coding_method_partitioned_rice_contents_clear(&encoder->private_->partitioned_rice_contents_workspace_mid_side[i][1]); + } + for(i = 0; i < 2; i++) + FLAC__format_entropy_coding_method_partitioned_rice_contents_clear(&encoder->private_->partitioned_rice_contents_extra[i]); + + FLAC__bitwriter_delete(encoder->private_->frame); + free(encoder->private_); + free(encoder->protected_); + free(encoder); +} + +/*********************************************************************** + * + * Public class methods + * + ***********************************************************************/ + +static FLAC__StreamEncoderInitStatus init_stream_internal_( + FLAC__StreamEncoder *encoder, + FLAC__StreamEncoderReadCallback read_callback, + FLAC__StreamEncoderWriteCallback write_callback, + FLAC__StreamEncoderSeekCallback seek_callback, + FLAC__StreamEncoderTellCallback tell_callback, + FLAC__StreamEncoderMetadataCallback metadata_callback, + void *client_data, + FLAC__bool is_ogg +) +{ + uint32_t i; + FLAC__bool metadata_has_seektable, metadata_has_vorbis_comment, metadata_picture_has_type1, metadata_picture_has_type2; + + FLAC__ASSERT(0 != encoder); + + if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED) + return FLAC__STREAM_ENCODER_INIT_STATUS_ALREADY_INITIALIZED; + + if(FLAC__HAS_OGG == 0 && is_ogg) + return FLAC__STREAM_ENCODER_INIT_STATUS_UNSUPPORTED_CONTAINER; + + if(0 == write_callback || (seek_callback && 0 == tell_callback)) + return FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_CALLBACKS; + + if(encoder->protected_->channels == 0 || encoder->protected_->channels > FLAC__MAX_CHANNELS) + return FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_NUMBER_OF_CHANNELS; + + if(encoder->protected_->channels != 2) { + encoder->protected_->do_mid_side_stereo = false; + encoder->protected_->loose_mid_side_stereo = false; + } + else if(!encoder->protected_->do_mid_side_stereo) + encoder->protected_->loose_mid_side_stereo = false; + + if(encoder->protected_->bits_per_sample < FLAC__MIN_BITS_PER_SAMPLE || encoder->protected_->bits_per_sample > FLAC__MAX_BITS_PER_SAMPLE) + return FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_BITS_PER_SAMPLE; + + if(!FLAC__format_sample_rate_is_valid(encoder->protected_->sample_rate)) + return FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_SAMPLE_RATE; + + if(encoder->protected_->blocksize == 0) { + if(encoder->protected_->max_lpc_order == 0) + encoder->protected_->blocksize = 1152; + else + encoder->protected_->blocksize = 4096; + } + + if(encoder->protected_->blocksize < FLAC__MIN_BLOCK_SIZE || encoder->protected_->blocksize > FLAC__MAX_BLOCK_SIZE) + return FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_BLOCK_SIZE; + + if(encoder->protected_->max_lpc_order > FLAC__MAX_LPC_ORDER) + return FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_MAX_LPC_ORDER; + + if(encoder->protected_->blocksize < encoder->protected_->max_lpc_order) + return FLAC__STREAM_ENCODER_INIT_STATUS_BLOCK_SIZE_TOO_SMALL_FOR_LPC_ORDER; + + if(encoder->protected_->qlp_coeff_precision == 0) { + if(encoder->protected_->bits_per_sample < 16) { + /* @@@ need some data about how to set this here w.r.t. blocksize and sample rate */ + /* @@@ until then we'll make a guess */ + encoder->protected_->qlp_coeff_precision = flac_max(FLAC__MIN_QLP_COEFF_PRECISION, 2 + encoder->protected_->bits_per_sample / 2); + } + else if(encoder->protected_->bits_per_sample == 16) { + if(encoder->protected_->blocksize <= 192) + encoder->protected_->qlp_coeff_precision = 7; + else if(encoder->protected_->blocksize <= 384) + encoder->protected_->qlp_coeff_precision = 8; + else if(encoder->protected_->blocksize <= 576) + encoder->protected_->qlp_coeff_precision = 9; + else if(encoder->protected_->blocksize <= 1152) + encoder->protected_->qlp_coeff_precision = 10; + else if(encoder->protected_->blocksize <= 2304) + encoder->protected_->qlp_coeff_precision = 11; + else if(encoder->protected_->blocksize <= 4608) + encoder->protected_->qlp_coeff_precision = 12; + else + encoder->protected_->qlp_coeff_precision = 13; + } + else { + if(encoder->protected_->blocksize <= 384) + encoder->protected_->qlp_coeff_precision = FLAC__MAX_QLP_COEFF_PRECISION-2; + else if(encoder->protected_->blocksize <= 1152) + encoder->protected_->qlp_coeff_precision = FLAC__MAX_QLP_COEFF_PRECISION-1; + else + encoder->protected_->qlp_coeff_precision = FLAC__MAX_QLP_COEFF_PRECISION; + } + FLAC__ASSERT(encoder->protected_->qlp_coeff_precision <= FLAC__MAX_QLP_COEFF_PRECISION); + } + else if(encoder->protected_->qlp_coeff_precision < FLAC__MIN_QLP_COEFF_PRECISION || encoder->protected_->qlp_coeff_precision > FLAC__MAX_QLP_COEFF_PRECISION) + return FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_QLP_COEFF_PRECISION; + + if(encoder->protected_->streamable_subset) { + if(!FLAC__format_blocksize_is_subset(encoder->protected_->blocksize, encoder->protected_->sample_rate)) + return FLAC__STREAM_ENCODER_INIT_STATUS_NOT_STREAMABLE; + if(!FLAC__format_sample_rate_is_subset(encoder->protected_->sample_rate)) + return FLAC__STREAM_ENCODER_INIT_STATUS_NOT_STREAMABLE; + if( + encoder->protected_->bits_per_sample != 8 && + encoder->protected_->bits_per_sample != 12 && + encoder->protected_->bits_per_sample != 16 && + encoder->protected_->bits_per_sample != 20 && + encoder->protected_->bits_per_sample != 24 && + encoder->protected_->bits_per_sample != 32 + ) + return FLAC__STREAM_ENCODER_INIT_STATUS_NOT_STREAMABLE; + if(encoder->protected_->max_residual_partition_order > FLAC__SUBSET_MAX_RICE_PARTITION_ORDER) + return FLAC__STREAM_ENCODER_INIT_STATUS_NOT_STREAMABLE; + if( + encoder->protected_->sample_rate <= 48000 && + ( + encoder->protected_->blocksize > FLAC__SUBSET_MAX_BLOCK_SIZE_48000HZ || + encoder->protected_->max_lpc_order > FLAC__SUBSET_MAX_LPC_ORDER_48000HZ + ) + ) { + return FLAC__STREAM_ENCODER_INIT_STATUS_NOT_STREAMABLE; + } + } + + if(encoder->protected_->max_residual_partition_order >= (1u << FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ORDER_LEN)) + encoder->protected_->max_residual_partition_order = (1u << FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ORDER_LEN) - 1; + if(encoder->protected_->min_residual_partition_order >= encoder->protected_->max_residual_partition_order) + encoder->protected_->min_residual_partition_order = encoder->protected_->max_residual_partition_order; + +#if FLAC__HAS_OGG + /* drop any seektable for ogg */ + if(is_ogg && 0 != encoder->protected_->metadata && encoder->protected_->num_metadata_blocks > 0) { + uint32_t i1; + for(i1 = 0; i1 < encoder->protected_->num_metadata_blocks; i1++) { + if(0 != encoder->protected_->metadata[i1] && encoder->protected_->metadata[i1]->type == FLAC__METADATA_TYPE_SEEKTABLE) { + encoder->protected_->num_metadata_blocks--; + for( ; i1 < encoder->protected_->num_metadata_blocks; i1++) + encoder->protected_->metadata[i1] = encoder->protected_->metadata[i1+1]; + break; + } + } + } + /* reorder metadata if necessary to ensure that any VORBIS_COMMENT is the first, according to the mapping spec */ + if(is_ogg && 0 != encoder->protected_->metadata && encoder->protected_->num_metadata_blocks > 1) { + uint32_t i1; + for(i1 = 1; i1 < encoder->protected_->num_metadata_blocks; i1++) { + if(0 != encoder->protected_->metadata[i1] && encoder->protected_->metadata[i1]->type == FLAC__METADATA_TYPE_VORBIS_COMMENT) { + FLAC__StreamMetadata *vc = encoder->protected_->metadata[i1]; + for( ; i1 > 0; i1--) + encoder->protected_->metadata[i1] = encoder->protected_->metadata[i1-1]; + encoder->protected_->metadata[0] = vc; + break; + } + } + } +#endif + /* keep track of any SEEKTABLE block */ + if(0 != encoder->protected_->metadata && encoder->protected_->num_metadata_blocks > 0) { + uint32_t i2; + for(i2 = 0; i2 < encoder->protected_->num_metadata_blocks; i2++) { + if(0 != encoder->protected_->metadata[i2] && encoder->protected_->metadata[i2]->type == FLAC__METADATA_TYPE_SEEKTABLE) { + encoder->private_->seek_table = &encoder->protected_->metadata[i2]->data.seek_table; + break; /* take only the first one */ + } + } + } + + /* validate metadata */ + if(0 == encoder->protected_->metadata && encoder->protected_->num_metadata_blocks > 0) + return FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_METADATA; + metadata_has_seektable = false; + metadata_has_vorbis_comment = false; + metadata_picture_has_type1 = false; + metadata_picture_has_type2 = false; + for(i = 0; i < encoder->protected_->num_metadata_blocks; i++) { + const FLAC__StreamMetadata *m = encoder->protected_->metadata[i]; + if(m->type == FLAC__METADATA_TYPE_STREAMINFO) + return FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_METADATA; + else if(m->type == FLAC__METADATA_TYPE_SEEKTABLE) { + if(metadata_has_seektable) /* only one is allowed */ + return FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_METADATA; + metadata_has_seektable = true; + if(!FLAC__format_seektable_is_legal(&m->data.seek_table)) + return FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_METADATA; + } + else if(m->type == FLAC__METADATA_TYPE_VORBIS_COMMENT) { + if(metadata_has_vorbis_comment) /* only one is allowed */ + return FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_METADATA; + metadata_has_vorbis_comment = true; + } + else if(m->type == FLAC__METADATA_TYPE_CUESHEET) { + if(!FLAC__format_cuesheet_is_legal(&m->data.cue_sheet, m->data.cue_sheet.is_cd, /*violation=*/0)) + return FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_METADATA; + } + else if(m->type == FLAC__METADATA_TYPE_PICTURE) { + if(!FLAC__format_picture_is_legal(&m->data.picture, /*violation=*/0)) + return FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_METADATA; + if(m->data.picture.type == FLAC__STREAM_METADATA_PICTURE_TYPE_FILE_ICON_STANDARD) { + if(metadata_picture_has_type1) /* there should only be 1 per stream */ + return FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_METADATA; + metadata_picture_has_type1 = true; + /* standard icon must be 32x32 pixel PNG */ + if( + m->data.picture.type == FLAC__STREAM_METADATA_PICTURE_TYPE_FILE_ICON_STANDARD && + ( + (strcmp(m->data.picture.mime_type, "image/png") && strcmp(m->data.picture.mime_type, "-->")) || + m->data.picture.width != 32 || + m->data.picture.height != 32 + ) + ) + return FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_METADATA; + } + else if(m->data.picture.type == FLAC__STREAM_METADATA_PICTURE_TYPE_FILE_ICON) { + if(metadata_picture_has_type2) /* there should only be 1 per stream */ + return FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_METADATA; + metadata_picture_has_type2 = true; + } + } + } + + encoder->private_->input_capacity = 0; + for(i = 0; i < encoder->protected_->channels; i++) { + encoder->private_->integer_signal_unaligned[i] = encoder->private_->integer_signal[i] = 0; +#ifndef FLAC__INTEGER_ONLY_LIBRARY + encoder->private_->real_signal_unaligned[i] = encoder->private_->real_signal[i] = 0; +#endif + } + for(i = 0; i < 2; i++) { + encoder->private_->integer_signal_mid_side_unaligned[i] = encoder->private_->integer_signal_mid_side[i] = 0; +#ifndef FLAC__INTEGER_ONLY_LIBRARY + encoder->private_->real_signal_mid_side_unaligned[i] = encoder->private_->real_signal_mid_side[i] = 0; +#endif + } + encoder->private_->integer_signal_33bit_side_unaligned = encoder->private_->integer_signal_33bit_side = 0; +#ifndef FLAC__INTEGER_ONLY_LIBRARY + for(i = 0; i < encoder->protected_->num_apodizations; i++) + encoder->private_->window_unaligned[i] = encoder->private_->window[i] = 0; + encoder->private_->windowed_signal_unaligned = encoder->private_->windowed_signal = 0; +#endif + for(i = 0; i < encoder->protected_->channels; i++) { + encoder->private_->residual_workspace_unaligned[i][0] = encoder->private_->residual_workspace[i][0] = 0; + encoder->private_->residual_workspace_unaligned[i][1] = encoder->private_->residual_workspace[i][1] = 0; + encoder->private_->best_subframe[i] = 0; + } + for(i = 0; i < 2; i++) { + encoder->private_->residual_workspace_mid_side_unaligned[i][0] = encoder->private_->residual_workspace_mid_side[i][0] = 0; + encoder->private_->residual_workspace_mid_side_unaligned[i][1] = encoder->private_->residual_workspace_mid_side[i][1] = 0; + encoder->private_->best_subframe_mid_side[i] = 0; + } + encoder->private_->abs_residual_partition_sums_unaligned = encoder->private_->abs_residual_partition_sums = 0; + encoder->private_->raw_bits_per_partition_unaligned = encoder->private_->raw_bits_per_partition = 0; +#ifndef FLAC__INTEGER_ONLY_LIBRARY + encoder->private_->loose_mid_side_stereo_frames = (uint32_t)((double)encoder->protected_->sample_rate * 0.4 / (double)encoder->protected_->blocksize + 0.5); +#else + /* 26214 is the approximate fixed-point equivalent to 0.4 (0.4 * 2^16) */ + /* sample rate can be up to 1048575 Hz, and thus use 20 bits, so we do the multiply÷ by hand */ + FLAC__ASSERT(FLAC__MAX_SAMPLE_RATE <= 1048575); + FLAC__ASSERT(FLAC__MAX_BLOCK_SIZE <= 65535); + FLAC__ASSERT(encoder->protected_->sample_rate <= 1048575); + FLAC__ASSERT(encoder->protected_->blocksize <= 65535); + encoder->private_->loose_mid_side_stereo_frames = (uint32_t)FLAC__fixedpoint_trunc((((FLAC__uint64)(encoder->protected_->sample_rate) * (FLAC__uint64)(26214)) << 16) / (encoder->protected_->blocksize<<16) + FLAC__FP_ONE_HALF); +#endif + if(encoder->private_->loose_mid_side_stereo_frames == 0) + encoder->private_->loose_mid_side_stereo_frames = 1; + encoder->private_->loose_mid_side_stereo_frame_count = 0; + encoder->private_->current_sample_number = 0; + encoder->private_->current_frame_number = 0; + + /* + * get the CPU info and set the function pointers + */ + FLAC__cpu_info(&encoder->private_->cpuinfo); + /* remove cpu info as requested by + * FLAC__stream_encoder_disable_instruction_set */ + if(encoder->private_->disable_mmx) + encoder->private_->cpuinfo.x86.mmx = false; + if(encoder->private_->disable_sse2) + encoder->private_->cpuinfo.x86.sse2 = false; + if(encoder->private_->disable_ssse3) + encoder->private_->cpuinfo.x86.ssse3 = false; + if(encoder->private_->disable_sse41) + encoder->private_->cpuinfo.x86.sse41 = false; + if(encoder->private_->disable_sse42) + encoder->private_->cpuinfo.x86.sse42 = false; + if(encoder->private_->disable_avx2) + encoder->private_->cpuinfo.x86.avx2 = false; + if(encoder->private_->disable_fma) + encoder->private_->cpuinfo.x86.fma = false; + /* first default to the non-asm routines */ +#ifndef FLAC__INTEGER_ONLY_LIBRARY + encoder->private_->local_lpc_compute_autocorrelation = FLAC__lpc_compute_autocorrelation; +#endif + encoder->private_->local_precompute_partition_info_sums = precompute_partition_info_sums_; + encoder->private_->local_fixed_compute_best_predictor = FLAC__fixed_compute_best_predictor; + encoder->private_->local_fixed_compute_best_predictor_wide = FLAC__fixed_compute_best_predictor_wide; + encoder->private_->local_fixed_compute_best_predictor_limit_residual = FLAC__fixed_compute_best_predictor_limit_residual; +#ifndef FLAC__INTEGER_ONLY_LIBRARY + encoder->private_->local_lpc_compute_residual_from_qlp_coefficients = FLAC__lpc_compute_residual_from_qlp_coefficients; + encoder->private_->local_lpc_compute_residual_from_qlp_coefficients_64bit = FLAC__lpc_compute_residual_from_qlp_coefficients_wide; + encoder->private_->local_lpc_compute_residual_from_qlp_coefficients_16bit = FLAC__lpc_compute_residual_from_qlp_coefficients; +#endif + /* now override with asm where appropriate */ +#ifndef FLAC__INTEGER_ONLY_LIBRARY +# ifndef FLAC__NO_ASM +#if defined FLAC__CPU_ARM64 && FLAC__HAS_NEONINTRIN +#if FLAC__HAS_A64NEONINTRIN + if(encoder->protected_->max_lpc_order < 8) + encoder->private_->local_lpc_compute_autocorrelation = FLAC__lpc_compute_autocorrelation_intrin_neon_lag_8; + else if(encoder->protected_->max_lpc_order < 10) + encoder->private_->local_lpc_compute_autocorrelation = FLAC__lpc_compute_autocorrelation_intrin_neon_lag_10; + else if(encoder->protected_->max_lpc_order < 14) + encoder->private_->local_lpc_compute_autocorrelation = FLAC__lpc_compute_autocorrelation_intrin_neon_lag_14; + else + encoder->private_->local_lpc_compute_autocorrelation = FLAC__lpc_compute_autocorrelation; +#endif + encoder->private_->local_lpc_compute_residual_from_qlp_coefficients_16bit = FLAC__lpc_compute_residual_from_qlp_coefficients_intrin_neon; + encoder->private_->local_lpc_compute_residual_from_qlp_coefficients = FLAC__lpc_compute_residual_from_qlp_coefficients_intrin_neon; + encoder->private_->local_lpc_compute_residual_from_qlp_coefficients_64bit = FLAC__lpc_compute_residual_from_qlp_coefficients_wide_intrin_neon; +#endif /* defined FLAC__CPU_ARM64 && FLAC__HAS_NEONINTRIN */ + + if(encoder->private_->cpuinfo.use_asm) { +# ifdef FLAC__CPU_IA32 + FLAC__ASSERT(encoder->private_->cpuinfo.type == FLAC__CPUINFO_TYPE_IA32); +# if FLAC__HAS_X86INTRIN +# ifdef FLAC__SSE2_SUPPORTED + if (encoder->private_->cpuinfo.x86.sse2) { + if(encoder->protected_->max_lpc_order < 8) + encoder->private_->local_lpc_compute_autocorrelation = FLAC__lpc_compute_autocorrelation_intrin_sse2_lag_8; + else if(encoder->protected_->max_lpc_order < 10) + encoder->private_->local_lpc_compute_autocorrelation = FLAC__lpc_compute_autocorrelation_intrin_sse2_lag_10; + else if(encoder->protected_->max_lpc_order < 14) + encoder->private_->local_lpc_compute_autocorrelation = FLAC__lpc_compute_autocorrelation_intrin_sse2_lag_14; + + encoder->private_->local_lpc_compute_residual_from_qlp_coefficients = FLAC__lpc_compute_residual_from_qlp_coefficients_intrin_sse2; + encoder->private_->local_lpc_compute_residual_from_qlp_coefficients_16bit = FLAC__lpc_compute_residual_from_qlp_coefficients_16_intrin_sse2; + } +# endif +# ifdef FLAC__SSE4_1_SUPPORTED + if (encoder->private_->cpuinfo.x86.sse41) { + encoder->private_->local_lpc_compute_residual_from_qlp_coefficients = FLAC__lpc_compute_residual_from_qlp_coefficients_intrin_sse41; + encoder->private_->local_lpc_compute_residual_from_qlp_coefficients_64bit = FLAC__lpc_compute_residual_from_qlp_coefficients_wide_intrin_sse41; + } +# endif +# ifdef FLAC__AVX2_SUPPORTED + if (encoder->private_->cpuinfo.x86.avx2) { + encoder->private_->local_lpc_compute_residual_from_qlp_coefficients_16bit = FLAC__lpc_compute_residual_from_qlp_coefficients_16_intrin_avx2; + encoder->private_->local_lpc_compute_residual_from_qlp_coefficients = FLAC__lpc_compute_residual_from_qlp_coefficients_intrin_avx2; + encoder->private_->local_lpc_compute_residual_from_qlp_coefficients_64bit = FLAC__lpc_compute_residual_from_qlp_coefficients_wide_intrin_avx2; + } +# endif + +# ifdef FLAC__SSE2_SUPPORTED + if (encoder->private_->cpuinfo.x86.sse2) { + encoder->private_->local_fixed_compute_best_predictor = FLAC__fixed_compute_best_predictor_intrin_sse2; + } +# endif +# ifdef FLAC__SSSE3_SUPPORTED + if (encoder->private_->cpuinfo.x86.ssse3) { + encoder->private_->local_fixed_compute_best_predictor = FLAC__fixed_compute_best_predictor_intrin_ssse3; + } +# endif +# ifdef FLAC__SSE4_2_SUPPORTED + if (encoder->private_->cpuinfo.x86.sse42) { + encoder->private_->local_fixed_compute_best_predictor_limit_residual = FLAC__fixed_compute_best_predictor_limit_residual_intrin_sse42; + } +# endif +# ifdef FLAC__AVX2_SUPPORTED + if (encoder->private_->cpuinfo.x86.avx2) { + encoder->private_->local_fixed_compute_best_predictor_wide = FLAC__fixed_compute_best_predictor_wide_intrin_avx2; + encoder->private_->local_fixed_compute_best_predictor_limit_residual = FLAC__fixed_compute_best_predictor_limit_residual_intrin_avx2; + } +# endif +# endif /* FLAC__HAS_X86INTRIN */ +# elif defined FLAC__CPU_X86_64 + FLAC__ASSERT(encoder->private_->cpuinfo.type == FLAC__CPUINFO_TYPE_X86_64); +# if FLAC__HAS_X86INTRIN +# ifdef FLAC__SSE2_SUPPORTED + if(encoder->private_->cpuinfo.x86.sse2) { /* For fuzzing */ + if(encoder->protected_->max_lpc_order < 8) + encoder->private_->local_lpc_compute_autocorrelation = FLAC__lpc_compute_autocorrelation_intrin_sse2_lag_8; + else if(encoder->protected_->max_lpc_order < 10) + encoder->private_->local_lpc_compute_autocorrelation = FLAC__lpc_compute_autocorrelation_intrin_sse2_lag_10; + else if(encoder->protected_->max_lpc_order < 14) + encoder->private_->local_lpc_compute_autocorrelation = FLAC__lpc_compute_autocorrelation_intrin_sse2_lag_14; + + encoder->private_->local_lpc_compute_residual_from_qlp_coefficients_16bit = FLAC__lpc_compute_residual_from_qlp_coefficients_16_intrin_sse2; + } +# endif +# ifdef FLAC__SSE4_1_SUPPORTED + if(encoder->private_->cpuinfo.x86.sse41) { + encoder->private_->local_lpc_compute_residual_from_qlp_coefficients = FLAC__lpc_compute_residual_from_qlp_coefficients_intrin_sse41; + } +# endif +# ifdef FLAC__AVX2_SUPPORTED + if(encoder->private_->cpuinfo.x86.avx2) { + encoder->private_->local_lpc_compute_residual_from_qlp_coefficients_16bit = FLAC__lpc_compute_residual_from_qlp_coefficients_16_intrin_avx2; + encoder->private_->local_lpc_compute_residual_from_qlp_coefficients = FLAC__lpc_compute_residual_from_qlp_coefficients_intrin_avx2; + encoder->private_->local_lpc_compute_residual_from_qlp_coefficients_64bit = FLAC__lpc_compute_residual_from_qlp_coefficients_wide_intrin_avx2; + } +# endif +# ifdef FLAC__FMA_SUPPORTED + if(encoder->private_->cpuinfo.x86.fma) { + if(encoder->protected_->max_lpc_order < 8) + encoder->private_->local_lpc_compute_autocorrelation = FLAC__lpc_compute_autocorrelation_intrin_fma_lag_8; + else if(encoder->protected_->max_lpc_order < 12) + encoder->private_->local_lpc_compute_autocorrelation = FLAC__lpc_compute_autocorrelation_intrin_fma_lag_12; + else if(encoder->protected_->max_lpc_order < 16) + encoder->private_->local_lpc_compute_autocorrelation = FLAC__lpc_compute_autocorrelation_intrin_fma_lag_16; + } +# endif + + +# ifdef FLAC__SSE2_SUPPORTED + if(encoder->private_->cpuinfo.x86.sse2) { /* For fuzzing */ + encoder->private_->local_fixed_compute_best_predictor = FLAC__fixed_compute_best_predictor_intrin_sse2; + } +# endif +# ifdef FLAC__SSSE3_SUPPORTED + if (encoder->private_->cpuinfo.x86.ssse3) { + encoder->private_->local_fixed_compute_best_predictor = FLAC__fixed_compute_best_predictor_intrin_ssse3; + } +# endif +# ifdef FLAC__SSE4_2_SUPPORTED + if (encoder->private_->cpuinfo.x86.sse42) { + encoder->private_->local_fixed_compute_best_predictor_limit_residual = FLAC__fixed_compute_best_predictor_limit_residual_intrin_sse42; + } +# endif +# ifdef FLAC__AVX2_SUPPORTED + if (encoder->private_->cpuinfo.x86.avx2) { + encoder->private_->local_fixed_compute_best_predictor_wide = FLAC__fixed_compute_best_predictor_wide_intrin_avx2; + encoder->private_->local_fixed_compute_best_predictor_limit_residual = FLAC__fixed_compute_best_predictor_limit_residual_intrin_avx2; + } +# endif +# endif /* FLAC__HAS_X86INTRIN */ +# endif /* FLAC__CPU_... */ + } +# endif /* !FLAC__NO_ASM */ + +#endif /* !FLAC__INTEGER_ONLY_LIBRARY */ +#if !defined FLAC__NO_ASM && FLAC__HAS_X86INTRIN + if(encoder->private_->cpuinfo.use_asm) { +# if (defined FLAC__CPU_IA32 || defined FLAC__CPU_X86_64) +# ifdef FLAC__SSE2_SUPPORTED + if (encoder->private_->cpuinfo.x86.sse2) + encoder->private_->local_precompute_partition_info_sums = FLAC__precompute_partition_info_sums_intrin_sse2; +# endif +# ifdef FLAC__SSSE3_SUPPORTED + if (encoder->private_->cpuinfo.x86.ssse3) + encoder->private_->local_precompute_partition_info_sums = FLAC__precompute_partition_info_sums_intrin_ssse3; +# endif +# ifdef FLAC__AVX2_SUPPORTED + if (encoder->private_->cpuinfo.x86.avx2) + encoder->private_->local_precompute_partition_info_sums = FLAC__precompute_partition_info_sums_intrin_avx2; +# endif +# endif /* FLAC__CPU_... */ + } +#endif /* !FLAC__NO_ASM && FLAC__HAS_X86INTRIN */ + + /* set state to OK; from here on, errors are fatal and we'll override the state then */ + encoder->protected_->state = FLAC__STREAM_ENCODER_OK; + +#if FLAC__HAS_OGG + encoder->private_->is_ogg = is_ogg; + if(is_ogg && !FLAC__ogg_encoder_aspect_init(&encoder->protected_->ogg_encoder_aspect)) { + encoder->protected_->state = FLAC__STREAM_ENCODER_OGG_ERROR; + return FLAC__STREAM_ENCODER_INIT_STATUS_ENCODER_ERROR; + } +#endif + + encoder->private_->read_callback = read_callback; + encoder->private_->write_callback = write_callback; + encoder->private_->seek_callback = seek_callback; + encoder->private_->tell_callback = tell_callback; + encoder->private_->metadata_callback = metadata_callback; + encoder->private_->client_data = client_data; + + if(!resize_buffers_(encoder, encoder->protected_->blocksize)) { + /* the above function sets the state for us in case of an error */ + return FLAC__STREAM_ENCODER_INIT_STATUS_ENCODER_ERROR; + } + + if(!FLAC__bitwriter_init(encoder->private_->frame)) { + encoder->protected_->state = FLAC__STREAM_ENCODER_MEMORY_ALLOCATION_ERROR; + return FLAC__STREAM_ENCODER_INIT_STATUS_ENCODER_ERROR; + } + + /* + * Set up the verify stuff if necessary + */ + if(encoder->protected_->verify) { + /* + * First, set up the fifo which will hold the + * original signal to compare against + */ + encoder->private_->verify.input_fifo.size = encoder->protected_->blocksize+OVERREAD_; + for(i = 0; i < encoder->protected_->channels; i++) { + if(0 == (encoder->private_->verify.input_fifo.data[i] = safe_malloc_mul_2op_p(sizeof(FLAC__int32), /*times*/encoder->private_->verify.input_fifo.size))) { + encoder->protected_->state = FLAC__STREAM_ENCODER_MEMORY_ALLOCATION_ERROR; + return FLAC__STREAM_ENCODER_INIT_STATUS_ENCODER_ERROR; + } + } + encoder->private_->verify.input_fifo.tail = 0; + + /* + * Now set up a stream decoder for verification + */ + if(0 == encoder->private_->verify.decoder) { + encoder->private_->verify.decoder = FLAC__stream_decoder_new(); + if(0 == encoder->private_->verify.decoder) { + encoder->protected_->state = FLAC__STREAM_ENCODER_VERIFY_DECODER_ERROR; + return FLAC__STREAM_ENCODER_INIT_STATUS_ENCODER_ERROR; + } + } + + if(FLAC__stream_decoder_init_stream(encoder->private_->verify.decoder, verify_read_callback_, /*seek_callback=*/0, /*tell_callback=*/0, /*length_callback=*/0, /*eof_callback=*/0, verify_write_callback_, verify_metadata_callback_, verify_error_callback_, /*client_data=*/encoder) != FLAC__STREAM_DECODER_INIT_STATUS_OK) { + encoder->protected_->state = FLAC__STREAM_ENCODER_VERIFY_DECODER_ERROR; + return FLAC__STREAM_ENCODER_INIT_STATUS_ENCODER_ERROR; + } + } + encoder->private_->verify.error_stats.absolute_sample = 0; + encoder->private_->verify.error_stats.frame_number = 0; + encoder->private_->verify.error_stats.channel = 0; + encoder->private_->verify.error_stats.sample = 0; + encoder->private_->verify.error_stats.expected = 0; + encoder->private_->verify.error_stats.got = 0; + + /* + * These must be done before we write any metadata, because that + * calls the write_callback, which uses these values. + */ + encoder->private_->first_seekpoint_to_check = 0; + encoder->private_->samples_written = 0; + encoder->protected_->streaminfo_offset = 0; + encoder->protected_->seektable_offset = 0; + encoder->protected_->audio_offset = 0; + + /* + * write the stream header + */ + if(encoder->protected_->verify) + encoder->private_->verify.state_hint = ENCODER_IN_MAGIC; + if(!FLAC__bitwriter_write_raw_uint32(encoder->private_->frame, FLAC__STREAM_SYNC, FLAC__STREAM_SYNC_LEN)) { + encoder->protected_->state = FLAC__STREAM_ENCODER_FRAMING_ERROR; + return FLAC__STREAM_ENCODER_INIT_STATUS_ENCODER_ERROR; + } + if(!write_bitbuffer_(encoder, 0, /*is_last_block=*/false)) { + /* the above function sets the state for us in case of an error */ + return FLAC__STREAM_ENCODER_INIT_STATUS_ENCODER_ERROR; + } + + /* + * write the STREAMINFO metadata block + */ + if(encoder->protected_->verify) + encoder->private_->verify.state_hint = ENCODER_IN_METADATA; + encoder->private_->streaminfo.type = FLAC__METADATA_TYPE_STREAMINFO; + encoder->private_->streaminfo.is_last = false; /* we will have at a minimum a VORBIS_COMMENT afterwards */ + encoder->private_->streaminfo.length = FLAC__STREAM_METADATA_STREAMINFO_LENGTH; + encoder->private_->streaminfo.data.stream_info.min_blocksize = encoder->protected_->blocksize; /* this encoder uses the same blocksize for the whole stream */ + encoder->private_->streaminfo.data.stream_info.max_blocksize = encoder->protected_->blocksize; + encoder->private_->streaminfo.data.stream_info.min_framesize = 0; /* we don't know this yet; have to fill it in later */ + encoder->private_->streaminfo.data.stream_info.max_framesize = 0; /* we don't know this yet; have to fill it in later */ + encoder->private_->streaminfo.data.stream_info.sample_rate = encoder->protected_->sample_rate; + encoder->private_->streaminfo.data.stream_info.channels = encoder->protected_->channels; + encoder->private_->streaminfo.data.stream_info.bits_per_sample = encoder->protected_->bits_per_sample; + encoder->private_->streaminfo.data.stream_info.total_samples = encoder->protected_->total_samples_estimate; /* we will replace this later with the real total */ + memset(encoder->private_->streaminfo.data.stream_info.md5sum, 0, 16); /* we don't know this yet; have to fill it in later */ + if(encoder->protected_->do_md5) + FLAC__MD5Init(&encoder->private_->md5context); + if(!FLAC__add_metadata_block(&encoder->private_->streaminfo, encoder->private_->frame, true)) { + encoder->protected_->state = FLAC__STREAM_ENCODER_FRAMING_ERROR; + return FLAC__STREAM_ENCODER_INIT_STATUS_ENCODER_ERROR; + } + if(!write_bitbuffer_(encoder, 0, /*is_last_block=*/false)) { + /* the above function sets the state for us in case of an error */ + return FLAC__STREAM_ENCODER_INIT_STATUS_ENCODER_ERROR; + } + + /* + * Now that the STREAMINFO block is written, we can init this to an + * absurdly-high value... + */ + encoder->private_->streaminfo.data.stream_info.min_framesize = (1u << FLAC__STREAM_METADATA_STREAMINFO_MIN_FRAME_SIZE_LEN) - 1; + /* ... and clear this to 0 */ + encoder->private_->streaminfo.data.stream_info.total_samples = 0; + + /* + * Check to see if the supplied metadata contains a VORBIS_COMMENT; + * if not, we will write an empty one (FLAC__add_metadata_block() + * automatically supplies the vendor string). + * + * WATCHOUT: the Ogg FLAC mapping requires us to write this block after + * the STREAMINFO. (In the case that metadata_has_vorbis_comment is + * true it will have already insured that the metadata list is properly + * ordered.) + */ + if(!metadata_has_vorbis_comment) { + FLAC__StreamMetadata vorbis_comment; + vorbis_comment.type = FLAC__METADATA_TYPE_VORBIS_COMMENT; + vorbis_comment.is_last = (encoder->protected_->num_metadata_blocks == 0); + vorbis_comment.length = 4 + 4; /* MAGIC NUMBER */ + vorbis_comment.data.vorbis_comment.vendor_string.length = 0; + vorbis_comment.data.vorbis_comment.vendor_string.entry = 0; + vorbis_comment.data.vorbis_comment.num_comments = 0; + vorbis_comment.data.vorbis_comment.comments = 0; + if(!FLAC__add_metadata_block(&vorbis_comment, encoder->private_->frame, true)) { + encoder->protected_->state = FLAC__STREAM_ENCODER_FRAMING_ERROR; + return FLAC__STREAM_ENCODER_INIT_STATUS_ENCODER_ERROR; + } + if(!write_bitbuffer_(encoder, 0, /*is_last_block=*/false)) { + /* the above function sets the state for us in case of an error */ + return FLAC__STREAM_ENCODER_INIT_STATUS_ENCODER_ERROR; + } + } + + /* + * write the user's metadata blocks + */ + for(i = 0; i < encoder->protected_->num_metadata_blocks; i++) { + encoder->protected_->metadata[i]->is_last = (i == encoder->protected_->num_metadata_blocks - 1); + if(!FLAC__add_metadata_block(encoder->protected_->metadata[i], encoder->private_->frame, true)) { + encoder->protected_->state = FLAC__STREAM_ENCODER_FRAMING_ERROR; + return FLAC__STREAM_ENCODER_INIT_STATUS_ENCODER_ERROR; + } + if(!write_bitbuffer_(encoder, 0, /*is_last_block=*/false)) { + /* the above function sets the state for us in case of an error */ + return FLAC__STREAM_ENCODER_INIT_STATUS_ENCODER_ERROR; + } + } + + /* now that all the metadata is written, we save the stream offset */ + if(encoder->private_->tell_callback && encoder->private_->tell_callback(encoder, &encoder->protected_->audio_offset, encoder->private_->client_data) == FLAC__STREAM_ENCODER_TELL_STATUS_ERROR) { /* FLAC__STREAM_ENCODER_TELL_STATUS_UNSUPPORTED just means we didn't get the offset; no error */ + encoder->protected_->state = FLAC__STREAM_ENCODER_CLIENT_ERROR; + return FLAC__STREAM_ENCODER_INIT_STATUS_ENCODER_ERROR; + } + + if(encoder->protected_->verify) + encoder->private_->verify.state_hint = ENCODER_IN_AUDIO; + + return FLAC__STREAM_ENCODER_INIT_STATUS_OK; +} + +FLAC_API FLAC__StreamEncoderInitStatus FLAC__stream_encoder_init_stream( + FLAC__StreamEncoder *encoder, + FLAC__StreamEncoderWriteCallback write_callback, + FLAC__StreamEncoderSeekCallback seek_callback, + FLAC__StreamEncoderTellCallback tell_callback, + FLAC__StreamEncoderMetadataCallback metadata_callback, + void *client_data +) +{ + return init_stream_internal_( + encoder, + /*read_callback=*/0, + write_callback, + seek_callback, + tell_callback, + metadata_callback, + client_data, + /*is_ogg=*/false + ); +} + +FLAC_API FLAC__StreamEncoderInitStatus FLAC__stream_encoder_init_ogg_stream( + FLAC__StreamEncoder *encoder, + FLAC__StreamEncoderReadCallback read_callback, + FLAC__StreamEncoderWriteCallback write_callback, + FLAC__StreamEncoderSeekCallback seek_callback, + FLAC__StreamEncoderTellCallback tell_callback, + FLAC__StreamEncoderMetadataCallback metadata_callback, + void *client_data +) +{ + return init_stream_internal_( + encoder, + read_callback, + write_callback, + seek_callback, + tell_callback, + metadata_callback, + client_data, + /*is_ogg=*/true + ); +} + +static FLAC__StreamEncoderInitStatus init_FILE_internal_( + FLAC__StreamEncoder *encoder, + FILE *file, + FLAC__StreamEncoderProgressCallback progress_callback, + void *client_data, + FLAC__bool is_ogg +) +{ + FLAC__StreamEncoderInitStatus init_status; + + FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != file); + + if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED) + return FLAC__STREAM_ENCODER_INIT_STATUS_ALREADY_INITIALIZED; + + /* double protection */ + if(file == 0) { + encoder->protected_->state = FLAC__STREAM_ENCODER_IO_ERROR; + return FLAC__STREAM_ENCODER_INIT_STATUS_ENCODER_ERROR; + } + + /* + * To make sure that our file does not go unclosed after an error, we + * must assign the FILE pointer before any further error can occur in + * this routine. + */ + if(file == stdout) + file = get_binary_stdout_(); /* just to be safe */ + +#ifdef _WIN32 + /* + * Windows can suffer quite badly from disk fragmentation. This can be + * reduced significantly by setting the output buffer size to be 10MB. + */ + if(GetFileType((HANDLE)_get_osfhandle(_fileno(file))) == FILE_TYPE_DISK) + setvbuf(file, NULL, _IOFBF, 10*1024*1024); +#endif + encoder->private_->file = file; + + encoder->private_->progress_callback = progress_callback; + encoder->private_->bytes_written = 0; + encoder->private_->samples_written = 0; + encoder->private_->frames_written = 0; + + init_status = init_stream_internal_( + encoder, + encoder->private_->file == stdout? 0 : is_ogg? file_read_callback_ : 0, + file_write_callback_, + encoder->private_->file == stdout? 0 : file_seek_callback_, + encoder->private_->file == stdout? 0 : file_tell_callback_, + /*metadata_callback=*/0, + client_data, + is_ogg + ); + if(init_status != FLAC__STREAM_ENCODER_INIT_STATUS_OK) { + /* the above function sets the state for us in case of an error */ + return init_status; + } + + { + uint32_t blocksize = FLAC__stream_encoder_get_blocksize(encoder); + + FLAC__ASSERT(blocksize != 0); + encoder->private_->total_frames_estimate = (uint32_t)((FLAC__stream_encoder_get_total_samples_estimate(encoder) + blocksize - 1) / blocksize); + } + + return init_status; +} + +FLAC_API FLAC__StreamEncoderInitStatus FLAC__stream_encoder_init_FILE( + FLAC__StreamEncoder *encoder, + FILE *file, + FLAC__StreamEncoderProgressCallback progress_callback, + void *client_data +) +{ + return init_FILE_internal_(encoder, file, progress_callback, client_data, /*is_ogg=*/false); +} + +FLAC_API FLAC__StreamEncoderInitStatus FLAC__stream_encoder_init_ogg_FILE( + FLAC__StreamEncoder *encoder, + FILE *file, + FLAC__StreamEncoderProgressCallback progress_callback, + void *client_data +) +{ + return init_FILE_internal_(encoder, file, progress_callback, client_data, /*is_ogg=*/true); +} + +static FLAC__StreamEncoderInitStatus init_file_internal_( + FLAC__StreamEncoder *encoder, + const char *filename, + FLAC__StreamEncoderProgressCallback progress_callback, + void *client_data, + FLAC__bool is_ogg +) +{ + FILE *file; + + FLAC__ASSERT(0 != encoder); + + /* + * To make sure that our file does not go unclosed after an error, we + * have to do the same entrance checks here that are later performed + * in FLAC__stream_encoder_init_FILE() before the FILE* is assigned. + */ + if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED) + return FLAC__STREAM_ENCODER_INIT_STATUS_ALREADY_INITIALIZED; + + file = filename? flac_fopen(filename, "w+b") : stdout; + + if(file == 0) { + encoder->protected_->state = FLAC__STREAM_ENCODER_IO_ERROR; + return FLAC__STREAM_ENCODER_INIT_STATUS_ENCODER_ERROR; + } + + return init_FILE_internal_(encoder, file, progress_callback, client_data, is_ogg); +} + +FLAC_API FLAC__StreamEncoderInitStatus FLAC__stream_encoder_init_file( + FLAC__StreamEncoder *encoder, + const char *filename, + FLAC__StreamEncoderProgressCallback progress_callback, + void *client_data +) +{ + return init_file_internal_(encoder, filename, progress_callback, client_data, /*is_ogg=*/false); +} + +FLAC_API FLAC__StreamEncoderInitStatus FLAC__stream_encoder_init_ogg_file( + FLAC__StreamEncoder *encoder, + const char *filename, + FLAC__StreamEncoderProgressCallback progress_callback, + void *client_data +) +{ + return init_file_internal_(encoder, filename, progress_callback, client_data, /*is_ogg=*/true); +} + +FLAC_API FLAC__bool FLAC__stream_encoder_finish(FLAC__StreamEncoder *encoder) +{ + FLAC__bool error = false; + + if (encoder == NULL) + return false; + + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); + + if(encoder->protected_->state == FLAC__STREAM_ENCODER_UNINITIALIZED){ + if(encoder->protected_->metadata){ // True in case FLAC__stream_encoder_set_metadata was used but init failed + free(encoder->protected_->metadata); + encoder->protected_->metadata = 0; + encoder->protected_->num_metadata_blocks = 0; + } + if(0 != encoder->private_->file) { + if(encoder->private_->file != stdout) + fclose(encoder->private_->file); + encoder->private_->file = 0; + } + return true; + } + + if(encoder->protected_->state == FLAC__STREAM_ENCODER_OK && !encoder->private_->is_being_deleted) { + if(encoder->private_->current_sample_number != 0) { + encoder->protected_->blocksize = encoder->private_->current_sample_number; + if(!resize_buffers_(encoder, encoder->protected_->blocksize)) { + /* the above function sets the state for us in case of an error */ + return FLAC__STREAM_ENCODER_INIT_STATUS_ENCODER_ERROR; + } + if(!process_frame_(encoder, /*is_last_block=*/true)) + error = true; + } + } + + if(encoder->protected_->do_md5) + FLAC__MD5Final(encoder->private_->streaminfo.data.stream_info.md5sum, &encoder->private_->md5context); + + if(!encoder->private_->is_being_deleted) { + if(encoder->protected_->state == FLAC__STREAM_ENCODER_OK) { + if(encoder->private_->seek_callback) { +#if FLAC__HAS_OGG + if(encoder->private_->is_ogg) + update_ogg_metadata_(encoder); + else +#endif + update_metadata_(encoder); + + /* check if an error occurred while updating metadata */ + if(encoder->protected_->state != FLAC__STREAM_ENCODER_OK) + error = true; + } + if(encoder->private_->metadata_callback) + encoder->private_->metadata_callback(encoder, &encoder->private_->streaminfo, encoder->private_->client_data); + } + + if(encoder->protected_->verify && 0 != encoder->private_->verify.decoder && !FLAC__stream_decoder_finish(encoder->private_->verify.decoder)) { + if(!error) + encoder->protected_->state = FLAC__STREAM_ENCODER_VERIFY_MISMATCH_IN_AUDIO_DATA; + error = true; + } + } + + if(0 != encoder->private_->file) { + if(encoder->private_->file != stdout) + fclose(encoder->private_->file); + encoder->private_->file = 0; + } + +#if FLAC__HAS_OGG + if(encoder->private_->is_ogg) + FLAC__ogg_encoder_aspect_finish(&encoder->protected_->ogg_encoder_aspect); +#endif + + free_(encoder); + set_defaults_(encoder); + + if(!error) + encoder->protected_->state = FLAC__STREAM_ENCODER_UNINITIALIZED; + + return !error; +} + +FLAC_API FLAC__bool FLAC__stream_encoder_set_ogg_serial_number(FLAC__StreamEncoder *encoder, long value) +{ + FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); + if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED) + return false; +#if FLAC__HAS_OGG + /* can't check encoder->private_->is_ogg since that's not set until init time */ + FLAC__ogg_encoder_aspect_set_serial_number(&encoder->protected_->ogg_encoder_aspect, value); + return true; +#else + (void)value; + return false; +#endif +} + +FLAC_API FLAC__bool FLAC__stream_encoder_set_verify(FLAC__StreamEncoder *encoder, FLAC__bool value) +{ + FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); + if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED) + return false; +#ifndef FLAC__MANDATORY_VERIFY_WHILE_ENCODING + encoder->protected_->verify = value; +#endif + return true; +} + +FLAC_API FLAC__bool FLAC__stream_encoder_set_streamable_subset(FLAC__StreamEncoder *encoder, FLAC__bool value) +{ + FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); + if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED) + return false; + encoder->protected_->streamable_subset = value; + return true; +} + +/* + * The following routine was intended as debug routine and is not in the + * public headers, but SHOULD NOT CHANGE! It is known is is used in + * some non-audio projects needing every last bit of performance. + * See https://github.com/xiph/flac/issues/547 for details. These projects + * provide their own prototype, so changing the signature of this function + * would break building. + */ +FLAC_API FLAC__bool FLAC__stream_encoder_set_do_md5(FLAC__StreamEncoder *encoder, FLAC__bool value) +{ + FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); + if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED) + return false; + encoder->protected_->do_md5 = value; + return true; +} + +FLAC_API FLAC__bool FLAC__stream_encoder_set_channels(FLAC__StreamEncoder *encoder, uint32_t value) +{ + FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); + if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED) + return false; + encoder->protected_->channels = value; + return true; +} + +FLAC_API FLAC__bool FLAC__stream_encoder_set_bits_per_sample(FLAC__StreamEncoder *encoder, uint32_t value) +{ + FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); + if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED) + return false; + encoder->protected_->bits_per_sample = value; + return true; +} + +FLAC_API FLAC__bool FLAC__stream_encoder_set_sample_rate(FLAC__StreamEncoder *encoder, uint32_t value) +{ + FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); + if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED) + return false; + encoder->protected_->sample_rate = value; + return true; +} + +FLAC_API FLAC__bool FLAC__stream_encoder_set_compression_level(FLAC__StreamEncoder *encoder, uint32_t value) +{ + FLAC__bool ok = true; + FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); + if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED) + return false; + if(value >= sizeof(compression_levels_)/sizeof(compression_levels_[0])) + value = sizeof(compression_levels_)/sizeof(compression_levels_[0]) - 1; + ok &= FLAC__stream_encoder_set_do_mid_side_stereo (encoder, compression_levels_[value].do_mid_side_stereo); + ok &= FLAC__stream_encoder_set_loose_mid_side_stereo (encoder, compression_levels_[value].loose_mid_side_stereo); +#ifndef FLAC__INTEGER_ONLY_LIBRARY +#if 1 + ok &= FLAC__stream_encoder_set_apodization (encoder, compression_levels_[value].apodization); +#else + /* equivalent to -A tukey(0.5) */ + encoder->protected_->num_apodizations = 1; + encoder->protected_->apodizations[0].type = FLAC__APODIZATION_TUKEY; + encoder->protected_->apodizations[0].parameters.tukey.p = 0.5; +#endif +#endif + ok &= FLAC__stream_encoder_set_max_lpc_order (encoder, compression_levels_[value].max_lpc_order); + ok &= FLAC__stream_encoder_set_qlp_coeff_precision (encoder, compression_levels_[value].qlp_coeff_precision); + ok &= FLAC__stream_encoder_set_do_qlp_coeff_prec_search (encoder, compression_levels_[value].do_qlp_coeff_prec_search); + ok &= FLAC__stream_encoder_set_do_escape_coding (encoder, compression_levels_[value].do_escape_coding); + ok &= FLAC__stream_encoder_set_do_exhaustive_model_search (encoder, compression_levels_[value].do_exhaustive_model_search); + ok &= FLAC__stream_encoder_set_min_residual_partition_order(encoder, compression_levels_[value].min_residual_partition_order); + ok &= FLAC__stream_encoder_set_max_residual_partition_order(encoder, compression_levels_[value].max_residual_partition_order); + ok &= FLAC__stream_encoder_set_rice_parameter_search_dist (encoder, compression_levels_[value].rice_parameter_search_dist); + return ok; +} + +FLAC_API FLAC__bool FLAC__stream_encoder_set_blocksize(FLAC__StreamEncoder *encoder, uint32_t value) +{ + FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); + if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED) + return false; + encoder->protected_->blocksize = value; + return true; +} + +FLAC_API FLAC__bool FLAC__stream_encoder_set_do_mid_side_stereo(FLAC__StreamEncoder *encoder, FLAC__bool value) +{ + FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); + if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED) + return false; + encoder->protected_->do_mid_side_stereo = value; + return true; +} + +FLAC_API FLAC__bool FLAC__stream_encoder_set_loose_mid_side_stereo(FLAC__StreamEncoder *encoder, FLAC__bool value) +{ + FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); + if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED) + return false; + encoder->protected_->loose_mid_side_stereo = value; + return true; +} + +/*@@@@add to tests*/ +FLAC_API FLAC__bool FLAC__stream_encoder_set_apodization(FLAC__StreamEncoder *encoder, const char *specification) +{ + FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); + FLAC__ASSERT(0 != specification); + if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED) + return false; +#ifdef FLAC__INTEGER_ONLY_LIBRARY + (void)specification; /* silently ignore since we haven't integerized; will always use a rectangular window */ +#else + encoder->protected_->num_apodizations = 0; + while(1) { + const char *s = strchr(specification, ';'); + const size_t n = s? (size_t)(s - specification) : strlen(specification); + if (n==8 && 0 == strncmp("bartlett" , specification, n)) + encoder->protected_->apodizations[encoder->protected_->num_apodizations++].type = FLAC__APODIZATION_BARTLETT; + else if(n==13 && 0 == strncmp("bartlett_hann", specification, n)) + encoder->protected_->apodizations[encoder->protected_->num_apodizations++].type = FLAC__APODIZATION_BARTLETT_HANN; + else if(n==8 && 0 == strncmp("blackman" , specification, n)) + encoder->protected_->apodizations[encoder->protected_->num_apodizations++].type = FLAC__APODIZATION_BLACKMAN; + else if(n==26 && 0 == strncmp("blackman_harris_4term_92db", specification, n)) + encoder->protected_->apodizations[encoder->protected_->num_apodizations++].type = FLAC__APODIZATION_BLACKMAN_HARRIS_4TERM_92DB_SIDELOBE; + else if(n==6 && 0 == strncmp("connes" , specification, n)) + encoder->protected_->apodizations[encoder->protected_->num_apodizations++].type = FLAC__APODIZATION_CONNES; + else if(n==7 && 0 == strncmp("flattop" , specification, n)) + encoder->protected_->apodizations[encoder->protected_->num_apodizations++].type = FLAC__APODIZATION_FLATTOP; + else if(n>7 && 0 == strncmp("gauss(" , specification, 6)) { + FLAC__real stddev = (FLAC__real)strtod(specification+6, 0); + if (stddev > 0.0 && stddev <= 0.5) { + encoder->protected_->apodizations[encoder->protected_->num_apodizations].parameters.gauss.stddev = stddev; + encoder->protected_->apodizations[encoder->protected_->num_apodizations++].type = FLAC__APODIZATION_GAUSS; + } + } + else if(n==7 && 0 == strncmp("hamming" , specification, n)) + encoder->protected_->apodizations[encoder->protected_->num_apodizations++].type = FLAC__APODIZATION_HAMMING; + else if(n==4 && 0 == strncmp("hann" , specification, n)) + encoder->protected_->apodizations[encoder->protected_->num_apodizations++].type = FLAC__APODIZATION_HANN; + else if(n==13 && 0 == strncmp("kaiser_bessel", specification, n)) + encoder->protected_->apodizations[encoder->protected_->num_apodizations++].type = FLAC__APODIZATION_KAISER_BESSEL; + else if(n==7 && 0 == strncmp("nuttall" , specification, n)) + encoder->protected_->apodizations[encoder->protected_->num_apodizations++].type = FLAC__APODIZATION_NUTTALL; + else if(n==9 && 0 == strncmp("rectangle" , specification, n)) + encoder->protected_->apodizations[encoder->protected_->num_apodizations++].type = FLAC__APODIZATION_RECTANGLE; + else if(n==8 && 0 == strncmp("triangle" , specification, n)) + encoder->protected_->apodizations[encoder->protected_->num_apodizations++].type = FLAC__APODIZATION_TRIANGLE; + else if(n>7 && 0 == strncmp("tukey(" , specification, 6)) { + FLAC__real p = (FLAC__real)strtod(specification+6, 0); + if (p >= 0.0 && p <= 1.0) { + encoder->protected_->apodizations[encoder->protected_->num_apodizations].parameters.tukey.p = p; + encoder->protected_->apodizations[encoder->protected_->num_apodizations++].type = FLAC__APODIZATION_TUKEY; + } + } + else if(n>15 && 0 == strncmp("partial_tukey(", specification, 14)) { + FLAC__int32 tukey_parts = (FLAC__int32)strtod(specification+14, 0); + const char *si_1 = strchr(specification, '/'); + FLAC__real overlap = si_1?flac_min((FLAC__real)strtod(si_1+1, 0),0.99f):0.1f; + FLAC__real overlap_units = 1.0f/(1.0f - overlap) - 1.0f; + const char *si_2 = strchr((si_1?(si_1+1):specification), '/'); + FLAC__real tukey_p = si_2?(FLAC__real)strtod(si_2+1, 0):0.2f; + + if (tukey_parts <= 1) { + encoder->protected_->apodizations[encoder->protected_->num_apodizations].parameters.tukey.p = tukey_p; + encoder->protected_->apodizations[encoder->protected_->num_apodizations++].type = FLAC__APODIZATION_TUKEY; + }else if (encoder->protected_->num_apodizations + tukey_parts < 32){ + FLAC__int32 m; + for(m = 0; m < tukey_parts; m++){ + encoder->protected_->apodizations[encoder->protected_->num_apodizations].parameters.multiple_tukey.p = tukey_p; + encoder->protected_->apodizations[encoder->protected_->num_apodizations].parameters.multiple_tukey.start = m/(tukey_parts+overlap_units); + encoder->protected_->apodizations[encoder->protected_->num_apodizations].parameters.multiple_tukey.end = (m+1+overlap_units)/(tukey_parts+overlap_units); + encoder->protected_->apodizations[encoder->protected_->num_apodizations++].type = FLAC__APODIZATION_PARTIAL_TUKEY; + } + } + } + else if(n>16 && 0 == strncmp("punchout_tukey(", specification, 15)) { + FLAC__int32 tukey_parts = (FLAC__int32)strtod(specification+15, 0); + const char *si_1 = strchr(specification, '/'); + FLAC__real overlap = si_1?flac_min((FLAC__real)strtod(si_1+1, 0),0.99f):0.2f; + FLAC__real overlap_units = 1.0f/(1.0f - overlap) - 1.0f; + const char *si_2 = strchr((si_1?(si_1+1):specification), '/'); + FLAC__real tukey_p = si_2?(FLAC__real)strtod(si_2+1, 0):0.2f; + + if (tukey_parts <= 1) { + encoder->protected_->apodizations[encoder->protected_->num_apodizations].parameters.tukey.p = tukey_p; + encoder->protected_->apodizations[encoder->protected_->num_apodizations++].type = FLAC__APODIZATION_TUKEY; + }else if (encoder->protected_->num_apodizations + tukey_parts < 32){ + FLAC__int32 m; + for(m = 0; m < tukey_parts; m++){ + encoder->protected_->apodizations[encoder->protected_->num_apodizations].parameters.multiple_tukey.p = tukey_p; + encoder->protected_->apodizations[encoder->protected_->num_apodizations].parameters.multiple_tukey.start = m/(tukey_parts+overlap_units); + encoder->protected_->apodizations[encoder->protected_->num_apodizations].parameters.multiple_tukey.end = (m+1+overlap_units)/(tukey_parts+overlap_units); + encoder->protected_->apodizations[encoder->protected_->num_apodizations++].type = FLAC__APODIZATION_PUNCHOUT_TUKEY; + } + } + } + else if(n>17 && 0 == strncmp("subdivide_tukey(", specification, 16)){ + FLAC__int32 parts = (FLAC__int32)strtod(specification+16, 0); + if(parts > 1){ + const char *si_1 = strchr(specification, '/'); + FLAC__real p = si_1?(FLAC__real)strtod(si_1+1, 0):5e-1; + if(p > 1) + p = 1; + else if(p < 0) + p = 0; + encoder->protected_->apodizations[encoder->protected_->num_apodizations].parameters.subdivide_tukey.parts = parts; + encoder->protected_->apodizations[encoder->protected_->num_apodizations].parameters.subdivide_tukey.p = p/parts; + encoder->protected_->apodizations[encoder->protected_->num_apodizations++].type = FLAC__APODIZATION_SUBDIVIDE_TUKEY; + } + } + else if(n==5 && 0 == strncmp("welch" , specification, n)) + encoder->protected_->apodizations[encoder->protected_->num_apodizations++].type = FLAC__APODIZATION_WELCH; + if (encoder->protected_->num_apodizations == 32) + break; + if (s) + specification = s+1; + else + break; + } + if(encoder->protected_->num_apodizations == 0) { + encoder->protected_->num_apodizations = 1; + encoder->protected_->apodizations[0].type = FLAC__APODIZATION_TUKEY; + encoder->protected_->apodizations[0].parameters.tukey.p = 0.5; + } +#endif + return true; +} + +FLAC_API FLAC__bool FLAC__stream_encoder_set_max_lpc_order(FLAC__StreamEncoder *encoder, uint32_t value) +{ + FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); + if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED) + return false; + encoder->protected_->max_lpc_order = value; + return true; +} + +FLAC_API FLAC__bool FLAC__stream_encoder_set_qlp_coeff_precision(FLAC__StreamEncoder *encoder, uint32_t value) +{ + FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); + if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED) + return false; + encoder->protected_->qlp_coeff_precision = value; + return true; +} + +FLAC_API FLAC__bool FLAC__stream_encoder_set_do_qlp_coeff_prec_search(FLAC__StreamEncoder *encoder, FLAC__bool value) +{ + FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); + if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED) + return false; + encoder->protected_->do_qlp_coeff_prec_search = value; + return true; +} + +FLAC_API FLAC__bool FLAC__stream_encoder_set_do_escape_coding(FLAC__StreamEncoder *encoder, FLAC__bool value) +{ + FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); + if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED) + return false; +#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION + /* was deprecated since FLAC 1.0.4 (24-Sep-2002), but is needed for + * full spec coverage, so this should be reenabled at some point. + * For now only enable while fuzzing */ + encoder->protected_->do_escape_coding = value; +#else + (void)value; +#endif + return true; +} + +FLAC_API FLAC__bool FLAC__stream_encoder_set_do_exhaustive_model_search(FLAC__StreamEncoder *encoder, FLAC__bool value) +{ + FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); + if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED) + return false; + encoder->protected_->do_exhaustive_model_search = value; + return true; +} + +FLAC_API FLAC__bool FLAC__stream_encoder_set_min_residual_partition_order(FLAC__StreamEncoder *encoder, uint32_t value) +{ + FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); + if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED) + return false; + encoder->protected_->min_residual_partition_order = value; + return true; +} + +FLAC_API FLAC__bool FLAC__stream_encoder_set_max_residual_partition_order(FLAC__StreamEncoder *encoder, uint32_t value) +{ + FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); + if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED) + return false; + encoder->protected_->max_residual_partition_order = value; + return true; +} + +FLAC_API FLAC__bool FLAC__stream_encoder_set_rice_parameter_search_dist(FLAC__StreamEncoder *encoder, uint32_t value) +{ + FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); + if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED) + return false; +#if 0 + /*@@@ deprecated: */ + encoder->protected_->rice_parameter_search_dist = value; +#else + (void)value; +#endif + return true; +} + +FLAC_API FLAC__bool FLAC__stream_encoder_set_total_samples_estimate(FLAC__StreamEncoder *encoder, FLAC__uint64 value) +{ + FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); + if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED) + return false; + value = flac_min(value, (FLAC__U64L(1) << FLAC__STREAM_METADATA_STREAMINFO_TOTAL_SAMPLES_LEN) - 1); + encoder->protected_->total_samples_estimate = value; + return true; +} + +FLAC_API FLAC__bool FLAC__stream_encoder_set_metadata(FLAC__StreamEncoder *encoder, FLAC__StreamMetadata **metadata, uint32_t num_blocks) +{ + FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); + if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED) + return false; + if(0 == metadata) + num_blocks = 0; + if(0 == num_blocks) + metadata = 0; + /* realloc() does not do exactly what we want so... */ + if(encoder->protected_->metadata) { + free(encoder->protected_->metadata); + encoder->protected_->metadata = 0; + encoder->protected_->num_metadata_blocks = 0; + } + if(num_blocks) { + FLAC__StreamMetadata **m; + if(0 == (m = safe_malloc_mul_2op_p(sizeof(m[0]), /*times*/num_blocks))) + return false; + memcpy(m, metadata, sizeof(m[0]) * num_blocks); + encoder->protected_->metadata = m; + encoder->protected_->num_metadata_blocks = num_blocks; + } +#if FLAC__HAS_OGG + if(!FLAC__ogg_encoder_aspect_set_num_metadata(&encoder->protected_->ogg_encoder_aspect, num_blocks)) + return false; +#endif + return true; +} + +FLAC_API FLAC__bool FLAC__stream_encoder_set_limit_min_bitrate(FLAC__StreamEncoder *encoder, FLAC__bool value) +{ + FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); + if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED) + return false; + encoder->protected_->limit_min_bitrate = value; + return true; +} + +/* + * These four functions are not static, but not publicly exposed in + * include/FLAC/ either. They are used by the test suite and in fuzzing + */ +FLAC_API FLAC__bool FLAC__stream_encoder_disable_instruction_set(FLAC__StreamEncoder *encoder, FLAC__bool value) +{ + FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); + if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED) + return false; + encoder->private_->disable_mmx = value & 1; + encoder->private_->disable_sse2 = value & 2; + encoder->private_->disable_ssse3 = value & 4; + encoder->private_->disable_sse41 = value & 8; + encoder->private_->disable_avx2 = value & 16; + encoder->private_->disable_fma = value & 32; + encoder->private_->disable_sse42 = value & 64; + return true; +} + +FLAC_API FLAC__bool FLAC__stream_encoder_disable_constant_subframes(FLAC__StreamEncoder *encoder, FLAC__bool value) +{ + FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); + if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED) + return false; + encoder->private_->disable_constant_subframes = value; + return true; +} + +FLAC_API FLAC__bool FLAC__stream_encoder_disable_fixed_subframes(FLAC__StreamEncoder *encoder, FLAC__bool value) +{ + FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); + if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED) + return false; + encoder->private_->disable_fixed_subframes = value; + return true; +} + +FLAC_API FLAC__bool FLAC__stream_encoder_disable_verbatim_subframes(FLAC__StreamEncoder *encoder, FLAC__bool value) +{ + FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); + if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED) + return false; + encoder->private_->disable_verbatim_subframes = value; + return true; +} + +FLAC_API FLAC__StreamEncoderState FLAC__stream_encoder_get_state(const FLAC__StreamEncoder *encoder) +{ + FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); + return encoder->protected_->state; +} + +FLAC_API FLAC__StreamDecoderState FLAC__stream_encoder_get_verify_decoder_state(const FLAC__StreamEncoder *encoder) +{ + FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); + if(encoder->protected_->verify) + return FLAC__stream_decoder_get_state(encoder->private_->verify.decoder); + else + return FLAC__STREAM_DECODER_UNINITIALIZED; +} + +FLAC_API const char *FLAC__stream_encoder_get_resolved_state_string(const FLAC__StreamEncoder *encoder) +{ + FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); + if(encoder->protected_->state != FLAC__STREAM_ENCODER_VERIFY_DECODER_ERROR) + return FLAC__StreamEncoderStateString[encoder->protected_->state]; + else + return FLAC__stream_decoder_get_resolved_state_string(encoder->private_->verify.decoder); +} + +FLAC_API void FLAC__stream_encoder_get_verify_decoder_error_stats(const FLAC__StreamEncoder *encoder, FLAC__uint64 *absolute_sample, uint32_t *frame_number, uint32_t *channel, uint32_t *sample, FLAC__int32 *expected, FLAC__int32 *got) +{ + FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); + if(0 != absolute_sample) + *absolute_sample = encoder->private_->verify.error_stats.absolute_sample; + if(0 != frame_number) + *frame_number = encoder->private_->verify.error_stats.frame_number; + if(0 != channel) + *channel = encoder->private_->verify.error_stats.channel; + if(0 != sample) + *sample = encoder->private_->verify.error_stats.sample; + if(0 != expected) + *expected = encoder->private_->verify.error_stats.expected; + if(0 != got) + *got = encoder->private_->verify.error_stats.got; +} + +FLAC_API FLAC__bool FLAC__stream_encoder_get_verify(const FLAC__StreamEncoder *encoder) +{ + FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); + return encoder->protected_->verify; +} + +FLAC_API FLAC__bool FLAC__stream_encoder_get_streamable_subset(const FLAC__StreamEncoder *encoder) +{ + FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); + return encoder->protected_->streamable_subset; +} + +FLAC_API FLAC__bool FLAC__stream_encoder_get_do_md5(const FLAC__StreamEncoder *encoder) +{ + FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); + return encoder->protected_->do_md5; +} + +FLAC_API uint32_t FLAC__stream_encoder_get_channels(const FLAC__StreamEncoder *encoder) +{ + FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); + return encoder->protected_->channels; +} + +FLAC_API uint32_t FLAC__stream_encoder_get_bits_per_sample(const FLAC__StreamEncoder *encoder) +{ + FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); + return encoder->protected_->bits_per_sample; +} + +FLAC_API uint32_t FLAC__stream_encoder_get_sample_rate(const FLAC__StreamEncoder *encoder) +{ + FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); + return encoder->protected_->sample_rate; +} + +FLAC_API uint32_t FLAC__stream_encoder_get_blocksize(const FLAC__StreamEncoder *encoder) +{ + FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); + return encoder->protected_->blocksize; +} + +FLAC_API FLAC__bool FLAC__stream_encoder_get_do_mid_side_stereo(const FLAC__StreamEncoder *encoder) +{ + FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); + return encoder->protected_->do_mid_side_stereo; +} + +FLAC_API FLAC__bool FLAC__stream_encoder_get_loose_mid_side_stereo(const FLAC__StreamEncoder *encoder) +{ + FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); + return encoder->protected_->loose_mid_side_stereo; +} + +FLAC_API uint32_t FLAC__stream_encoder_get_max_lpc_order(const FLAC__StreamEncoder *encoder) +{ + FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); + return encoder->protected_->max_lpc_order; +} + +FLAC_API uint32_t FLAC__stream_encoder_get_qlp_coeff_precision(const FLAC__StreamEncoder *encoder) +{ + FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); + return encoder->protected_->qlp_coeff_precision; +} + +FLAC_API FLAC__bool FLAC__stream_encoder_get_do_qlp_coeff_prec_search(const FLAC__StreamEncoder *encoder) +{ + FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); + return encoder->protected_->do_qlp_coeff_prec_search; +} + +FLAC_API FLAC__bool FLAC__stream_encoder_get_do_escape_coding(const FLAC__StreamEncoder *encoder) +{ + FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); + return encoder->protected_->do_escape_coding; +} + +FLAC_API FLAC__bool FLAC__stream_encoder_get_do_exhaustive_model_search(const FLAC__StreamEncoder *encoder) +{ + FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); + return encoder->protected_->do_exhaustive_model_search; +} + +FLAC_API uint32_t FLAC__stream_encoder_get_min_residual_partition_order(const FLAC__StreamEncoder *encoder) +{ + FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); + return encoder->protected_->min_residual_partition_order; +} + +FLAC_API uint32_t FLAC__stream_encoder_get_max_residual_partition_order(const FLAC__StreamEncoder *encoder) +{ + FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); + return encoder->protected_->max_residual_partition_order; +} + +FLAC_API uint32_t FLAC__stream_encoder_get_rice_parameter_search_dist(const FLAC__StreamEncoder *encoder) +{ + FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); + return encoder->protected_->rice_parameter_search_dist; +} + +FLAC_API FLAC__uint64 FLAC__stream_encoder_get_total_samples_estimate(const FLAC__StreamEncoder *encoder) +{ + FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); + return encoder->protected_->total_samples_estimate; +} + +FLAC_API FLAC__bool FLAC__stream_encoder_get_limit_min_bitrate(const FLAC__StreamEncoder *encoder) +{ + FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); + return encoder->protected_->limit_min_bitrate; +} + +FLAC_API FLAC__bool FLAC__stream_encoder_process(FLAC__StreamEncoder *encoder, const FLAC__int32 * const buffer[], uint32_t samples) +{ + uint32_t i, j = 0, k = 0, channel; + const uint32_t channels = encoder->protected_->channels, blocksize = encoder->protected_->blocksize; + const FLAC__int32 sample_max = INT32_MAX >> (32 - encoder->protected_->bits_per_sample); + const FLAC__int32 sample_min = INT32_MIN >> (32 - encoder->protected_->bits_per_sample); + + FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); + + if(encoder->protected_->state != FLAC__STREAM_ENCODER_OK) + return false; + + do { + const uint32_t n = flac_min(blocksize+OVERREAD_-encoder->private_->current_sample_number, samples-j); + + if(encoder->protected_->verify) + append_to_verify_fifo_(&encoder->private_->verify.input_fifo, buffer, j, channels, n); + + for(channel = 0; channel < channels; channel++) { + if (buffer[channel] == NULL) { + return false; + } + for(i = encoder->private_->current_sample_number, k = j; i <= blocksize && k < samples; i++, k++) { + if(buffer[channel][k] < sample_min || buffer[channel][k] > sample_max){ + encoder->protected_->state = FLAC__STREAM_ENCODER_CLIENT_ERROR; + return false; + } + } + memcpy(&encoder->private_->integer_signal[channel][encoder->private_->current_sample_number], &buffer[channel][j], sizeof(buffer[channel][0]) * n); + } + j += n; + encoder->private_->current_sample_number += n; + + /* we only process if we have a full block + 1 extra sample; final block is always handled by FLAC__stream_encoder_finish() */ + if(encoder->private_->current_sample_number > blocksize) { + FLAC__ASSERT(encoder->private_->current_sample_number == blocksize+OVERREAD_); + FLAC__ASSERT(OVERREAD_ == 1); /* assert we only overread 1 sample which simplifies the rest of the code below */ + if(!process_frame_(encoder, /*is_last_block=*/false)) + return false; + /* move unprocessed overread samples to beginnings of arrays */ + for(channel = 0; channel < channels; channel++) + encoder->private_->integer_signal[channel][0] = encoder->private_->integer_signal[channel][blocksize]; + encoder->private_->current_sample_number = 1; + } + } while(j < samples); + + return true; +} + +FLAC_API FLAC__bool FLAC__stream_encoder_process_interleaved(FLAC__StreamEncoder *encoder, const FLAC__int32 buffer[], uint32_t samples) +{ + uint32_t i, j, k, channel; + const uint32_t channels = encoder->protected_->channels, blocksize = encoder->protected_->blocksize; + const FLAC__int32 sample_max = INT32_MAX >> (32 - encoder->protected_->bits_per_sample); + const FLAC__int32 sample_min = INT32_MIN >> (32 - encoder->protected_->bits_per_sample); + + FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); + + if(encoder->protected_->state != FLAC__STREAM_ENCODER_OK) + return false; + + j = k = 0; + do { + if(encoder->protected_->verify) + append_to_verify_fifo_interleaved_(&encoder->private_->verify.input_fifo, buffer, j, channels, flac_min(blocksize+OVERREAD_-encoder->private_->current_sample_number, samples-j)); + + /* "i <= blocksize" to overread 1 sample; see comment in OVERREAD_ decl */ + for(i = encoder->private_->current_sample_number; i <= blocksize && j < samples; i++, j++) { + for(channel = 0; channel < channels; channel++){ + if(buffer[k] < sample_min || buffer[k] > sample_max){ + encoder->protected_->state = FLAC__STREAM_ENCODER_CLIENT_ERROR; + return false; + } + encoder->private_->integer_signal[channel][i] = buffer[k++]; + } + } + encoder->private_->current_sample_number = i; + /* we only process if we have a full block + 1 extra sample; final block is always handled by FLAC__stream_encoder_finish() */ + if(i > blocksize) { + if(!process_frame_(encoder, /*is_last_block=*/false)) + return false; + /* move unprocessed overread samples to beginnings of arrays */ + FLAC__ASSERT(i == blocksize+OVERREAD_); + FLAC__ASSERT(OVERREAD_ == 1); /* assert we only overread 1 sample which simplifies the rest of the code below */ + for(channel = 0; channel < channels; channel++) + encoder->private_->integer_signal[channel][0] = encoder->private_->integer_signal[channel][blocksize]; + encoder->private_->current_sample_number = 1; + } + } while(j < samples); + + return true; +} + +/*********************************************************************** + * + * Private class methods + * + ***********************************************************************/ + +void set_defaults_(FLAC__StreamEncoder *encoder) +{ + FLAC__ASSERT(0 != encoder); + +#ifdef FLAC__MANDATORY_VERIFY_WHILE_ENCODING + encoder->protected_->verify = true; +#else + encoder->protected_->verify = false; +#endif + encoder->protected_->streamable_subset = true; + encoder->protected_->do_md5 = true; + encoder->protected_->do_mid_side_stereo = false; + encoder->protected_->loose_mid_side_stereo = false; + encoder->protected_->channels = 2; + encoder->protected_->bits_per_sample = 16; + encoder->protected_->sample_rate = 44100; + encoder->protected_->blocksize = 0; +#ifndef FLAC__INTEGER_ONLY_LIBRARY + encoder->protected_->num_apodizations = 1; + encoder->protected_->apodizations[0].type = FLAC__APODIZATION_TUKEY; + encoder->protected_->apodizations[0].parameters.tukey.p = 0.5; +#endif + encoder->protected_->max_lpc_order = 0; + encoder->protected_->qlp_coeff_precision = 0; + encoder->protected_->do_qlp_coeff_prec_search = false; + encoder->protected_->do_exhaustive_model_search = false; + encoder->protected_->do_escape_coding = false; + encoder->protected_->min_residual_partition_order = 0; + encoder->protected_->max_residual_partition_order = 0; + encoder->protected_->rice_parameter_search_dist = 0; + encoder->protected_->total_samples_estimate = 0; + encoder->protected_->limit_min_bitrate = false; + encoder->protected_->metadata = 0; + encoder->protected_->num_metadata_blocks = 0; + + encoder->private_->seek_table = 0; + encoder->private_->disable_mmx = false; + encoder->private_->disable_sse2 = false; + encoder->private_->disable_ssse3 = false; + encoder->private_->disable_sse41 = false; + encoder->private_->disable_sse42 = false; + encoder->private_->disable_avx2 = false; + encoder->private_->disable_constant_subframes = false; + encoder->private_->disable_fixed_subframes = false; + encoder->private_->disable_verbatim_subframes = false; + encoder->private_->is_ogg = false; + encoder->private_->read_callback = 0; + encoder->private_->write_callback = 0; + encoder->private_->seek_callback = 0; + encoder->private_->tell_callback = 0; + encoder->private_->metadata_callback = 0; + encoder->private_->progress_callback = 0; + encoder->private_->client_data = 0; + +#if FLAC__HAS_OGG + FLAC__ogg_encoder_aspect_set_defaults(&encoder->protected_->ogg_encoder_aspect); +#endif + + FLAC__stream_encoder_set_compression_level(encoder, 5); +} + +void free_(FLAC__StreamEncoder *encoder) +{ + uint32_t i, channel; + + FLAC__ASSERT(0 != encoder); + if(encoder->protected_->metadata) { + free(encoder->protected_->metadata); + encoder->protected_->metadata = 0; + encoder->protected_->num_metadata_blocks = 0; + } + for(i = 0; i < encoder->protected_->channels; i++) { + if(0 != encoder->private_->integer_signal_unaligned[i]) { + free(encoder->private_->integer_signal_unaligned[i]); + encoder->private_->integer_signal_unaligned[i] = 0; + } +#ifndef FLAC__INTEGER_ONLY_LIBRARY + if(0 != encoder->private_->real_signal_unaligned[i]) { + free(encoder->private_->real_signal_unaligned[i]); + encoder->private_->real_signal_unaligned[i] = 0; + } +#endif + } + for(i = 0; i < 2; i++) { + if(0 != encoder->private_->integer_signal_mid_side_unaligned[i]) { + free(encoder->private_->integer_signal_mid_side_unaligned[i]); + encoder->private_->integer_signal_mid_side_unaligned[i] = 0; + } +#ifndef FLAC__INTEGER_ONLY_LIBRARY + if(0 != encoder->private_->real_signal_mid_side_unaligned[i]) { + free(encoder->private_->real_signal_mid_side_unaligned[i]); + encoder->private_->real_signal_mid_side_unaligned[i] = 0; + } +#endif + } + if(0 != encoder->private_->integer_signal_33bit_side_unaligned){ + free(encoder->private_->integer_signal_33bit_side_unaligned); + encoder->private_->integer_signal_33bit_side_unaligned = 0; + } +#ifndef FLAC__INTEGER_ONLY_LIBRARY + for(i = 0; i < encoder->protected_->num_apodizations; i++) { + if(0 != encoder->private_->window_unaligned[i]) { + free(encoder->private_->window_unaligned[i]); + encoder->private_->window_unaligned[i] = 0; + } + } + if(0 != encoder->private_->windowed_signal_unaligned) { + free(encoder->private_->windowed_signal_unaligned); + encoder->private_->windowed_signal_unaligned = 0; + } +#endif + for(channel = 0; channel < encoder->protected_->channels; channel++) { + for(i = 0; i < 2; i++) { + if(0 != encoder->private_->residual_workspace_unaligned[channel][i]) { + free(encoder->private_->residual_workspace_unaligned[channel][i]); + encoder->private_->residual_workspace_unaligned[channel][i] = 0; + } + } + } + for(channel = 0; channel < 2; channel++) { + for(i = 0; i < 2; i++) { + if(0 != encoder->private_->residual_workspace_mid_side_unaligned[channel][i]) { + free(encoder->private_->residual_workspace_mid_side_unaligned[channel][i]); + encoder->private_->residual_workspace_mid_side_unaligned[channel][i] = 0; + } + } + } + if(0 != encoder->private_->abs_residual_partition_sums_unaligned) { + free(encoder->private_->abs_residual_partition_sums_unaligned); + encoder->private_->abs_residual_partition_sums_unaligned = 0; + } + if(0 != encoder->private_->raw_bits_per_partition_unaligned) { + free(encoder->private_->raw_bits_per_partition_unaligned); + encoder->private_->raw_bits_per_partition_unaligned = 0; + } + if(encoder->protected_->verify) { + for(i = 0; i < encoder->protected_->channels; i++) { + if(0 != encoder->private_->verify.input_fifo.data[i]) { + free(encoder->private_->verify.input_fifo.data[i]); + encoder->private_->verify.input_fifo.data[i] = 0; + } + } + } + FLAC__bitwriter_free(encoder->private_->frame); +} + +FLAC__bool resize_buffers_(FLAC__StreamEncoder *encoder, uint32_t new_blocksize) +{ + FLAC__bool ok; + uint32_t i, channel; + + FLAC__ASSERT(new_blocksize > 0); + FLAC__ASSERT(encoder->protected_->state == FLAC__STREAM_ENCODER_OK); + + ok = true; + + /* To avoid excessive malloc'ing, we only grow the buffer; no shrinking. */ + if(new_blocksize > encoder->private_->input_capacity) { + + /* WATCHOUT: FLAC__lpc_compute_residual_from_qlp_coefficients_asm_ia32_mmx() and ..._intrin_sse2() + * require that the input arrays (in our case the integer signals) + * have a buffer of up to 3 zeroes in front (at negative indices) for + * alignment purposes; we use 4 in front to keep the data well-aligned. + */ + + for(i = 0; ok && i < encoder->protected_->channels; i++) { + ok = ok && FLAC__memory_alloc_aligned_int32_array(new_blocksize+4+OVERREAD_, &encoder->private_->integer_signal_unaligned[i], &encoder->private_->integer_signal[i]); + if(ok) { + memset(encoder->private_->integer_signal[i], 0, sizeof(FLAC__int32)*4); + encoder->private_->integer_signal[i] += 4; + } + } + for(i = 0; ok && i < 2; i++) { + ok = ok && FLAC__memory_alloc_aligned_int32_array(new_blocksize+4+OVERREAD_, &encoder->private_->integer_signal_mid_side_unaligned[i], &encoder->private_->integer_signal_mid_side[i]); + if(ok) { + memset(encoder->private_->integer_signal_mid_side[i], 0, sizeof(FLAC__int32)*4); + encoder->private_->integer_signal_mid_side[i] += 4; + } + } + ok = ok && FLAC__memory_alloc_aligned_int64_array(new_blocksize+4+OVERREAD_, &encoder->private_->integer_signal_33bit_side_unaligned, &encoder->private_->integer_signal_33bit_side); +#ifndef FLAC__INTEGER_ONLY_LIBRARY + if(ok && encoder->protected_->max_lpc_order > 0) { + for(i = 0; ok && i < encoder->protected_->num_apodizations; i++) + ok = ok && FLAC__memory_alloc_aligned_real_array(new_blocksize, &encoder->private_->window_unaligned[i], &encoder->private_->window[i]); + ok = ok && FLAC__memory_alloc_aligned_real_array(new_blocksize, &encoder->private_->windowed_signal_unaligned, &encoder->private_->windowed_signal); + } +#endif + for(channel = 0; ok && channel < encoder->protected_->channels; channel++) { + for(i = 0; ok && i < 2; i++) { + ok = ok && FLAC__memory_alloc_aligned_int32_array(new_blocksize, &encoder->private_->residual_workspace_unaligned[channel][i], &encoder->private_->residual_workspace[channel][i]); + } + } + + + for(channel = 0; ok && channel < encoder->protected_->channels; channel++) { + for(i = 0; ok && i < 2; i++) { + ok = ok && FLAC__format_entropy_coding_method_partitioned_rice_contents_ensure_size(&encoder->private_->partitioned_rice_contents_workspace[channel][i], encoder->protected_->max_residual_partition_order); + ok = ok && FLAC__format_entropy_coding_method_partitioned_rice_contents_ensure_size(&encoder->private_->partitioned_rice_contents_workspace[channel][i], encoder->protected_->max_residual_partition_order); + } + } + + for(channel = 0; ok && channel < 2; channel++) { + for(i = 0; ok && i < 2; i++) { + ok = ok && FLAC__memory_alloc_aligned_int32_array(new_blocksize, &encoder->private_->residual_workspace_mid_side_unaligned[channel][i], &encoder->private_->residual_workspace_mid_side[channel][i]); + } + } + + for(channel = 0; ok && channel < 2; channel++) { + for(i = 0; ok && i < 2; i++) { + ok = ok && FLAC__format_entropy_coding_method_partitioned_rice_contents_ensure_size(&encoder->private_->partitioned_rice_contents_workspace_mid_side[channel][i], encoder->protected_->max_residual_partition_order); + } + } + + for(i = 0; ok && i < 2; i++) { + ok = ok && FLAC__format_entropy_coding_method_partitioned_rice_contents_ensure_size(&encoder->private_->partitioned_rice_contents_extra[i], encoder->protected_->max_residual_partition_order); + } + + + /* the *2 is an approximation to the series 1 + 1/2 + 1/4 + ... that sums tree occupies in a flat array */ + /*@@@ new_blocksize*2 is too pessimistic, but to fix, we need smarter logic because a smaller new_blocksize can actually increase the # of partitions; would require moving this out into a separate function, then checking its capacity against the need of the current blocksize&min/max_partition_order (and maybe predictor order) */ + ok = ok && FLAC__memory_alloc_aligned_uint64_array(new_blocksize * 2, &encoder->private_->abs_residual_partition_sums_unaligned, &encoder->private_->abs_residual_partition_sums); + if(encoder->protected_->do_escape_coding) + ok = ok && FLAC__memory_alloc_aligned_uint32_array(new_blocksize * 2, &encoder->private_->raw_bits_per_partition_unaligned, &encoder->private_->raw_bits_per_partition); +} + if(ok) + encoder->private_->input_capacity = new_blocksize; + else { + encoder->protected_->state = FLAC__STREAM_ENCODER_MEMORY_ALLOCATION_ERROR; + return ok; + } + + + /* now adjust the windows if the blocksize has changed */ +#ifndef FLAC__INTEGER_ONLY_LIBRARY + if(encoder->protected_->max_lpc_order > 0 && new_blocksize > 1) { + for(i = 0; i < encoder->protected_->num_apodizations; i++) { + switch(encoder->protected_->apodizations[i].type) { + case FLAC__APODIZATION_BARTLETT: + FLAC__window_bartlett(encoder->private_->window[i], new_blocksize); + break; + case FLAC__APODIZATION_BARTLETT_HANN: + FLAC__window_bartlett_hann(encoder->private_->window[i], new_blocksize); + break; + case FLAC__APODIZATION_BLACKMAN: + FLAC__window_blackman(encoder->private_->window[i], new_blocksize); + break; + case FLAC__APODIZATION_BLACKMAN_HARRIS_4TERM_92DB_SIDELOBE: + FLAC__window_blackman_harris_4term_92db_sidelobe(encoder->private_->window[i], new_blocksize); + break; + case FLAC__APODIZATION_CONNES: + FLAC__window_connes(encoder->private_->window[i], new_blocksize); + break; + case FLAC__APODIZATION_FLATTOP: + FLAC__window_flattop(encoder->private_->window[i], new_blocksize); + break; + case FLAC__APODIZATION_GAUSS: + FLAC__window_gauss(encoder->private_->window[i], new_blocksize, encoder->protected_->apodizations[i].parameters.gauss.stddev); + break; + case FLAC__APODIZATION_HAMMING: + FLAC__window_hamming(encoder->private_->window[i], new_blocksize); + break; + case FLAC__APODIZATION_HANN: + FLAC__window_hann(encoder->private_->window[i], new_blocksize); + break; + case FLAC__APODIZATION_KAISER_BESSEL: + FLAC__window_kaiser_bessel(encoder->private_->window[i], new_blocksize); + break; + case FLAC__APODIZATION_NUTTALL: + FLAC__window_nuttall(encoder->private_->window[i], new_blocksize); + break; + case FLAC__APODIZATION_RECTANGLE: + FLAC__window_rectangle(encoder->private_->window[i], new_blocksize); + break; + case FLAC__APODIZATION_TRIANGLE: + FLAC__window_triangle(encoder->private_->window[i], new_blocksize); + break; + case FLAC__APODIZATION_TUKEY: + FLAC__window_tukey(encoder->private_->window[i], new_blocksize, encoder->protected_->apodizations[i].parameters.tukey.p); + break; + case FLAC__APODIZATION_PARTIAL_TUKEY: + FLAC__window_partial_tukey(encoder->private_->window[i], new_blocksize, encoder->protected_->apodizations[i].parameters.multiple_tukey.p, encoder->protected_->apodizations[i].parameters.multiple_tukey.start, encoder->protected_->apodizations[i].parameters.multiple_tukey.end); + break; + case FLAC__APODIZATION_PUNCHOUT_TUKEY: + FLAC__window_punchout_tukey(encoder->private_->window[i], new_blocksize, encoder->protected_->apodizations[i].parameters.multiple_tukey.p, encoder->protected_->apodizations[i].parameters.multiple_tukey.start, encoder->protected_->apodizations[i].parameters.multiple_tukey.end); + break; + case FLAC__APODIZATION_SUBDIVIDE_TUKEY: + FLAC__window_tukey(encoder->private_->window[i], new_blocksize, encoder->protected_->apodizations[i].parameters.tukey.p); + break; + case FLAC__APODIZATION_WELCH: + FLAC__window_welch(encoder->private_->window[i], new_blocksize); + break; + default: + FLAC__ASSERT(0); + /* double protection */ + FLAC__window_hann(encoder->private_->window[i], new_blocksize); + break; + } + } + } + if (new_blocksize <= FLAC__MAX_LPC_ORDER) { + /* intrinsics autocorrelation routines do not all handle cases in which lag might be + * larger than data_len. Lag is one larger than the LPC order */ + encoder->private_->local_lpc_compute_autocorrelation = FLAC__lpc_compute_autocorrelation; + } +#endif + + return true; +} + +FLAC__bool write_bitbuffer_(FLAC__StreamEncoder *encoder, uint32_t samples, FLAC__bool is_last_block) +{ + const FLAC__byte *buffer; + size_t bytes; + + FLAC__ASSERT(FLAC__bitwriter_is_byte_aligned(encoder->private_->frame)); + + if(!FLAC__bitwriter_get_buffer(encoder->private_->frame, &buffer, &bytes)) { + encoder->protected_->state = FLAC__STREAM_ENCODER_MEMORY_ALLOCATION_ERROR; + return false; + } + + if(encoder->protected_->verify) { + encoder->private_->verify.output.data = buffer; + encoder->private_->verify.output.bytes = bytes; + if(encoder->private_->verify.state_hint == ENCODER_IN_MAGIC) { + encoder->private_->verify.needs_magic_hack = true; + } + else { + if(!FLAC__stream_decoder_process_single(encoder->private_->verify.decoder) + || (!is_last_block + && (FLAC__stream_encoder_get_verify_decoder_state(encoder) == FLAC__STREAM_DECODER_END_OF_STREAM)) + || encoder->protected_->state == FLAC__STREAM_ENCODER_VERIFY_DECODER_ERROR /* Happens when error callback was used */) { + FLAC__bitwriter_release_buffer(encoder->private_->frame); + FLAC__bitwriter_clear(encoder->private_->frame); + if(encoder->protected_->state != FLAC__STREAM_ENCODER_VERIFY_MISMATCH_IN_AUDIO_DATA) + encoder->protected_->state = FLAC__STREAM_ENCODER_VERIFY_DECODER_ERROR; + return false; + } + } + } + + if(write_frame_(encoder, buffer, bytes, samples, is_last_block) != FLAC__STREAM_ENCODER_WRITE_STATUS_OK) { + FLAC__bitwriter_release_buffer(encoder->private_->frame); + FLAC__bitwriter_clear(encoder->private_->frame); + encoder->protected_->state = FLAC__STREAM_ENCODER_CLIENT_ERROR; + return false; + } + + FLAC__bitwriter_release_buffer(encoder->private_->frame); + FLAC__bitwriter_clear(encoder->private_->frame); + + if(samples > 0) { + encoder->private_->streaminfo.data.stream_info.min_framesize = flac_min(bytes, encoder->private_->streaminfo.data.stream_info.min_framesize); + encoder->private_->streaminfo.data.stream_info.max_framesize = flac_max(bytes, encoder->private_->streaminfo.data.stream_info.max_framesize); + } + + return true; +} + +FLAC__StreamEncoderWriteStatus write_frame_(FLAC__StreamEncoder *encoder, const FLAC__byte buffer[], size_t bytes, uint32_t samples, FLAC__bool is_last_block) +{ + FLAC__StreamEncoderWriteStatus status; + FLAC__uint64 output_position = 0; + +#if FLAC__HAS_OGG == 0 + (void)is_last_block; +#endif + + /* FLAC__STREAM_ENCODER_TELL_STATUS_UNSUPPORTED just means we didn't get the offset; no error */ + if(encoder->private_->tell_callback && encoder->private_->tell_callback(encoder, &output_position, encoder->private_->client_data) == FLAC__STREAM_ENCODER_TELL_STATUS_ERROR) { + encoder->protected_->state = FLAC__STREAM_ENCODER_CLIENT_ERROR; + return FLAC__STREAM_ENCODER_WRITE_STATUS_FATAL_ERROR; + } + + /* + * Watch for the STREAMINFO block and first SEEKTABLE block to go by and store their offsets. + */ + if(samples == 0) { + FLAC__MetadataType type = (buffer[0] & 0x7f); + if(type == FLAC__METADATA_TYPE_STREAMINFO) + encoder->protected_->streaminfo_offset = output_position; + else if(type == FLAC__METADATA_TYPE_SEEKTABLE && encoder->protected_->seektable_offset == 0) + encoder->protected_->seektable_offset = output_position; + } + + /* + * Mark the current seek point if hit (if audio_offset == 0 that + * means we're still writing metadata and haven't hit the first + * frame yet) + */ + if(0 != encoder->private_->seek_table && encoder->protected_->audio_offset > 0 && encoder->private_->seek_table->num_points > 0) { + const uint32_t blocksize = FLAC__stream_encoder_get_blocksize(encoder); + const FLAC__uint64 frame_first_sample = encoder->private_->samples_written; + const FLAC__uint64 frame_last_sample = frame_first_sample + (FLAC__uint64)blocksize - 1; + FLAC__uint64 test_sample; + uint32_t i; + for(i = encoder->private_->first_seekpoint_to_check; i < encoder->private_->seek_table->num_points; i++) { + test_sample = encoder->private_->seek_table->points[i].sample_number; + if(test_sample > frame_last_sample) { + break; + } + else if(test_sample >= frame_first_sample) { + encoder->private_->seek_table->points[i].sample_number = frame_first_sample; + encoder->private_->seek_table->points[i].stream_offset = output_position - encoder->protected_->audio_offset; + encoder->private_->seek_table->points[i].frame_samples = blocksize; + encoder->private_->first_seekpoint_to_check++; + /* DO NOT: "break;" and here's why: + * The seektable template may contain more than one target + * sample for any given frame; we will keep looping, generating + * duplicate seekpoints for them, and we'll clean it up later, + * just before writing the seektable back to the metadata. + */ + } + else { + encoder->private_->first_seekpoint_to_check++; + } + } + } + +#if FLAC__HAS_OGG + if(encoder->private_->is_ogg) { + status = FLAC__ogg_encoder_aspect_write_callback_wrapper( + &encoder->protected_->ogg_encoder_aspect, + buffer, + bytes, + samples, + encoder->private_->current_frame_number, + is_last_block, + (FLAC__OggEncoderAspectWriteCallbackProxy)encoder->private_->write_callback, + encoder, + encoder->private_->client_data + ); + } + else +#endif + status = encoder->private_->write_callback(encoder, buffer, bytes, samples, encoder->private_->current_frame_number, encoder->private_->client_data); + + if(status == FLAC__STREAM_ENCODER_WRITE_STATUS_OK) { + encoder->private_->bytes_written += bytes; + encoder->private_->samples_written += samples; + /* we keep a high watermark on the number of frames written because + * when the encoder goes back to write metadata, 'current_frame' + * will drop back to 0. + */ + encoder->private_->frames_written = flac_max(encoder->private_->frames_written, encoder->private_->current_frame_number+1); + } + else + encoder->protected_->state = FLAC__STREAM_ENCODER_CLIENT_ERROR; + + return status; +} + +/* Gets called when the encoding process has finished so that we can update the STREAMINFO and SEEKTABLE blocks. */ +void update_metadata_(const FLAC__StreamEncoder *encoder) +{ + FLAC__byte b[flac_max(6u, FLAC__STREAM_METADATA_SEEKPOINT_LENGTH)]; + const FLAC__StreamMetadata *metadata = &encoder->private_->streaminfo; + FLAC__uint64 samples = metadata->data.stream_info.total_samples; + const uint32_t min_framesize = metadata->data.stream_info.min_framesize; + const uint32_t max_framesize = metadata->data.stream_info.max_framesize; + const uint32_t bps = metadata->data.stream_info.bits_per_sample; + FLAC__StreamEncoderSeekStatus seek_status; + + FLAC__ASSERT(metadata->type == FLAC__METADATA_TYPE_STREAMINFO); + + /* All this is based on intimate knowledge of the stream header + * layout, but a change to the header format that would break this + * would also break all streams encoded in the previous format. + */ + + /* + * Write MD5 signature + */ + { + const uint32_t md5_offset = + FLAC__STREAM_METADATA_HEADER_LENGTH + + ( + FLAC__STREAM_METADATA_STREAMINFO_MIN_BLOCK_SIZE_LEN + + FLAC__STREAM_METADATA_STREAMINFO_MAX_BLOCK_SIZE_LEN + + FLAC__STREAM_METADATA_STREAMINFO_MIN_FRAME_SIZE_LEN + + FLAC__STREAM_METADATA_STREAMINFO_MAX_FRAME_SIZE_LEN + + FLAC__STREAM_METADATA_STREAMINFO_SAMPLE_RATE_LEN + + FLAC__STREAM_METADATA_STREAMINFO_CHANNELS_LEN + + FLAC__STREAM_METADATA_STREAMINFO_BITS_PER_SAMPLE_LEN + + FLAC__STREAM_METADATA_STREAMINFO_TOTAL_SAMPLES_LEN + ) / 8; + + if((seek_status = encoder->private_->seek_callback(encoder, encoder->protected_->streaminfo_offset + md5_offset, encoder->private_->client_data)) != FLAC__STREAM_ENCODER_SEEK_STATUS_OK) { + if(seek_status == FLAC__STREAM_ENCODER_SEEK_STATUS_ERROR) + encoder->protected_->state = FLAC__STREAM_ENCODER_CLIENT_ERROR; + return; + } + if(encoder->private_->write_callback(encoder, metadata->data.stream_info.md5sum, 16, 0, 0, encoder->private_->client_data) != FLAC__STREAM_ENCODER_WRITE_STATUS_OK) { + encoder->protected_->state = FLAC__STREAM_ENCODER_CLIENT_ERROR; + return; + } + } + + /* + * Write total samples + */ + { + const uint32_t total_samples_byte_offset = + FLAC__STREAM_METADATA_HEADER_LENGTH + + ( + FLAC__STREAM_METADATA_STREAMINFO_MIN_BLOCK_SIZE_LEN + + FLAC__STREAM_METADATA_STREAMINFO_MAX_BLOCK_SIZE_LEN + + FLAC__STREAM_METADATA_STREAMINFO_MIN_FRAME_SIZE_LEN + + FLAC__STREAM_METADATA_STREAMINFO_MAX_FRAME_SIZE_LEN + + FLAC__STREAM_METADATA_STREAMINFO_SAMPLE_RATE_LEN + + FLAC__STREAM_METADATA_STREAMINFO_CHANNELS_LEN + + FLAC__STREAM_METADATA_STREAMINFO_BITS_PER_SAMPLE_LEN + - 4 + ) / 8; + if(samples > (FLAC__U64L(1) << FLAC__STREAM_METADATA_STREAMINFO_TOTAL_SAMPLES_LEN)) + samples = 0; + + b[0] = ((FLAC__byte)(bps-1) << 4) | (FLAC__byte)((samples >> 32) & 0x0F); + b[1] = (FLAC__byte)((samples >> 24) & 0xFF); + b[2] = (FLAC__byte)((samples >> 16) & 0xFF); + b[3] = (FLAC__byte)((samples >> 8) & 0xFF); + b[4] = (FLAC__byte)(samples & 0xFF); + if((seek_status = encoder->private_->seek_callback(encoder, encoder->protected_->streaminfo_offset + total_samples_byte_offset, encoder->private_->client_data)) != FLAC__STREAM_ENCODER_SEEK_STATUS_OK) { + if(seek_status == FLAC__STREAM_ENCODER_SEEK_STATUS_ERROR) + encoder->protected_->state = FLAC__STREAM_ENCODER_CLIENT_ERROR; + return; + } + if(encoder->private_->write_callback(encoder, b, 5, 0, 0, encoder->private_->client_data) != FLAC__STREAM_ENCODER_WRITE_STATUS_OK) { + encoder->protected_->state = FLAC__STREAM_ENCODER_CLIENT_ERROR; + return; + } + } + + /* + * Write min/max framesize + */ + { + const uint32_t min_framesize_offset = + FLAC__STREAM_METADATA_HEADER_LENGTH + + ( + FLAC__STREAM_METADATA_STREAMINFO_MIN_BLOCK_SIZE_LEN + + FLAC__STREAM_METADATA_STREAMINFO_MAX_BLOCK_SIZE_LEN + ) / 8; + + b[0] = (FLAC__byte)((min_framesize >> 16) & 0xFF); + b[1] = (FLAC__byte)((min_framesize >> 8) & 0xFF); + b[2] = (FLAC__byte)(min_framesize & 0xFF); + b[3] = (FLAC__byte)((max_framesize >> 16) & 0xFF); + b[4] = (FLAC__byte)((max_framesize >> 8) & 0xFF); + b[5] = (FLAC__byte)(max_framesize & 0xFF); + if((seek_status = encoder->private_->seek_callback(encoder, encoder->protected_->streaminfo_offset + min_framesize_offset, encoder->private_->client_data)) != FLAC__STREAM_ENCODER_SEEK_STATUS_OK) { + if(seek_status == FLAC__STREAM_ENCODER_SEEK_STATUS_ERROR) + encoder->protected_->state = FLAC__STREAM_ENCODER_CLIENT_ERROR; + return; + } + if(encoder->private_->write_callback(encoder, b, 6, 0, 0, encoder->private_->client_data) != FLAC__STREAM_ENCODER_WRITE_STATUS_OK) { + encoder->protected_->state = FLAC__STREAM_ENCODER_CLIENT_ERROR; + return; + } + } + + /* + * Write seektable + */ + if(0 != encoder->private_->seek_table && encoder->private_->seek_table->num_points > 0 && encoder->protected_->seektable_offset > 0) { + uint32_t i; + + FLAC__format_seektable_sort(encoder->private_->seek_table); + + FLAC__ASSERT(FLAC__format_seektable_is_legal(encoder->private_->seek_table)); + + if((seek_status = encoder->private_->seek_callback(encoder, encoder->protected_->seektable_offset + FLAC__STREAM_METADATA_HEADER_LENGTH, encoder->private_->client_data)) != FLAC__STREAM_ENCODER_SEEK_STATUS_OK) { + if(seek_status == FLAC__STREAM_ENCODER_SEEK_STATUS_ERROR) + encoder->protected_->state = FLAC__STREAM_ENCODER_CLIENT_ERROR; + return; + } + + for(i = 0; i < encoder->private_->seek_table->num_points; i++) { + FLAC__uint64 xx; + uint32_t x; + xx = encoder->private_->seek_table->points[i].sample_number; + b[7] = (FLAC__byte)xx; xx >>= 8; + b[6] = (FLAC__byte)xx; xx >>= 8; + b[5] = (FLAC__byte)xx; xx >>= 8; + b[4] = (FLAC__byte)xx; xx >>= 8; + b[3] = (FLAC__byte)xx; xx >>= 8; + b[2] = (FLAC__byte)xx; xx >>= 8; + b[1] = (FLAC__byte)xx; xx >>= 8; + b[0] = (FLAC__byte)xx; xx >>= 8; + xx = encoder->private_->seek_table->points[i].stream_offset; + b[15] = (FLAC__byte)xx; xx >>= 8; + b[14] = (FLAC__byte)xx; xx >>= 8; + b[13] = (FLAC__byte)xx; xx >>= 8; + b[12] = (FLAC__byte)xx; xx >>= 8; + b[11] = (FLAC__byte)xx; xx >>= 8; + b[10] = (FLAC__byte)xx; xx >>= 8; + b[9] = (FLAC__byte)xx; xx >>= 8; + b[8] = (FLAC__byte)xx; xx >>= 8; + x = encoder->private_->seek_table->points[i].frame_samples; + b[17] = (FLAC__byte)x; x >>= 8; + b[16] = (FLAC__byte)x; x >>= 8; + if(encoder->private_->write_callback(encoder, b, 18, 0, 0, encoder->private_->client_data) != FLAC__STREAM_ENCODER_WRITE_STATUS_OK) { + encoder->protected_->state = FLAC__STREAM_ENCODER_CLIENT_ERROR; + return; + } + } + } +} + +#if FLAC__HAS_OGG +/* Gets called when the encoding process has finished so that we can update the STREAMINFO and SEEKTABLE blocks. */ +void update_ogg_metadata_(FLAC__StreamEncoder *encoder) +{ + /* the # of bytes in the 1st packet that precede the STREAMINFO */ + static const uint32_t FIRST_OGG_PACKET_STREAMINFO_PREFIX_LENGTH = + FLAC__OGG_MAPPING_PACKET_TYPE_LENGTH + + FLAC__OGG_MAPPING_MAGIC_LENGTH + + FLAC__OGG_MAPPING_VERSION_MAJOR_LENGTH + + FLAC__OGG_MAPPING_VERSION_MINOR_LENGTH + + FLAC__OGG_MAPPING_NUM_HEADERS_LENGTH + + FLAC__STREAM_SYNC_LENGTH + ; + FLAC__byte b[flac_max(6u, FLAC__STREAM_METADATA_SEEKPOINT_LENGTH)]; + const FLAC__StreamMetadata *metadata = &encoder->private_->streaminfo; + const FLAC__uint64 samples = metadata->data.stream_info.total_samples; + const uint32_t min_framesize = metadata->data.stream_info.min_framesize; + const uint32_t max_framesize = metadata->data.stream_info.max_framesize; + ogg_page page; + + FLAC__ASSERT(metadata->type == FLAC__METADATA_TYPE_STREAMINFO); + FLAC__ASSERT(0 != encoder->private_->seek_callback); + + /* Pre-check that client supports seeking, since we don't want the + * ogg_helper code to ever have to deal with this condition. + */ + if(encoder->private_->seek_callback(encoder, 0, encoder->private_->client_data) == FLAC__STREAM_ENCODER_SEEK_STATUS_UNSUPPORTED) + return; + + /* All this is based on intimate knowledge of the stream header + * layout, but a change to the header format that would break this + * would also break all streams encoded in the previous format. + */ + + /** + ** Write STREAMINFO stats + **/ + simple_ogg_page__init(&page); + if(!simple_ogg_page__get_at(encoder, encoder->protected_->streaminfo_offset, &page, encoder->private_->seek_callback, encoder->private_->read_callback, encoder->private_->client_data)) { + simple_ogg_page__clear(&page); + return; /* state already set */ + } + + /* + * Write MD5 signature + */ + { + const uint32_t md5_offset = + FIRST_OGG_PACKET_STREAMINFO_PREFIX_LENGTH + + FLAC__STREAM_METADATA_HEADER_LENGTH + + ( + FLAC__STREAM_METADATA_STREAMINFO_MIN_BLOCK_SIZE_LEN + + FLAC__STREAM_METADATA_STREAMINFO_MAX_BLOCK_SIZE_LEN + + FLAC__STREAM_METADATA_STREAMINFO_MIN_FRAME_SIZE_LEN + + FLAC__STREAM_METADATA_STREAMINFO_MAX_FRAME_SIZE_LEN + + FLAC__STREAM_METADATA_STREAMINFO_SAMPLE_RATE_LEN + + FLAC__STREAM_METADATA_STREAMINFO_CHANNELS_LEN + + FLAC__STREAM_METADATA_STREAMINFO_BITS_PER_SAMPLE_LEN + + FLAC__STREAM_METADATA_STREAMINFO_TOTAL_SAMPLES_LEN + ) / 8; + + if(md5_offset + 16 > (uint32_t)page.body_len) { + encoder->protected_->state = FLAC__STREAM_ENCODER_OGG_ERROR; + simple_ogg_page__clear(&page); + return; + } + memcpy(page.body + md5_offset, metadata->data.stream_info.md5sum, 16); + } + + /* + * Write total samples + */ + { + const uint32_t total_samples_byte_offset = + FIRST_OGG_PACKET_STREAMINFO_PREFIX_LENGTH + + FLAC__STREAM_METADATA_HEADER_LENGTH + + ( + FLAC__STREAM_METADATA_STREAMINFO_MIN_BLOCK_SIZE_LEN + + FLAC__STREAM_METADATA_STREAMINFO_MAX_BLOCK_SIZE_LEN + + FLAC__STREAM_METADATA_STREAMINFO_MIN_FRAME_SIZE_LEN + + FLAC__STREAM_METADATA_STREAMINFO_MAX_FRAME_SIZE_LEN + + FLAC__STREAM_METADATA_STREAMINFO_SAMPLE_RATE_LEN + + FLAC__STREAM_METADATA_STREAMINFO_CHANNELS_LEN + + FLAC__STREAM_METADATA_STREAMINFO_BITS_PER_SAMPLE_LEN + - 4 + ) / 8; + + if(total_samples_byte_offset + 5 > (uint32_t)page.body_len) { + encoder->protected_->state = FLAC__STREAM_ENCODER_OGG_ERROR; + simple_ogg_page__clear(&page); + return; + } + b[0] = (FLAC__byte)page.body[total_samples_byte_offset] & 0xF0; + b[0] |= (FLAC__byte)((samples >> 32) & 0x0F); + b[1] = (FLAC__byte)((samples >> 24) & 0xFF); + b[2] = (FLAC__byte)((samples >> 16) & 0xFF); + b[3] = (FLAC__byte)((samples >> 8) & 0xFF); + b[4] = (FLAC__byte)(samples & 0xFF); + memcpy(page.body + total_samples_byte_offset, b, 5); + } + + /* + * Write min/max framesize + */ + { + const uint32_t min_framesize_offset = + FIRST_OGG_PACKET_STREAMINFO_PREFIX_LENGTH + + FLAC__STREAM_METADATA_HEADER_LENGTH + + ( + FLAC__STREAM_METADATA_STREAMINFO_MIN_BLOCK_SIZE_LEN + + FLAC__STREAM_METADATA_STREAMINFO_MAX_BLOCK_SIZE_LEN + ) / 8; + + if(min_framesize_offset + 6 > (uint32_t)page.body_len) { + encoder->protected_->state = FLAC__STREAM_ENCODER_OGG_ERROR; + simple_ogg_page__clear(&page); + return; + } + b[0] = (FLAC__byte)((min_framesize >> 16) & 0xFF); + b[1] = (FLAC__byte)((min_framesize >> 8) & 0xFF); + b[2] = (FLAC__byte)(min_framesize & 0xFF); + b[3] = (FLAC__byte)((max_framesize >> 16) & 0xFF); + b[4] = (FLAC__byte)((max_framesize >> 8) & 0xFF); + b[5] = (FLAC__byte)(max_framesize & 0xFF); + memcpy(page.body + min_framesize_offset, b, 6); + } + if(!simple_ogg_page__set_at(encoder, encoder->protected_->streaminfo_offset, &page, encoder->private_->seek_callback, encoder->private_->write_callback, encoder->private_->client_data)) { + simple_ogg_page__clear(&page); + return; /* state already set */ + } + simple_ogg_page__clear(&page); +} +#endif + +FLAC__bool process_frame_(FLAC__StreamEncoder *encoder, FLAC__bool is_last_block) +{ + FLAC__uint16 crc; + FLAC__ASSERT(encoder->protected_->state == FLAC__STREAM_ENCODER_OK); + + /* + * Accumulate raw signal to the MD5 signature + */ + if(encoder->protected_->do_md5 && !FLAC__MD5Accumulate(&encoder->private_->md5context, (const FLAC__int32 * const *)encoder->private_->integer_signal, encoder->protected_->channels, encoder->protected_->blocksize, (encoder->protected_->bits_per_sample+7) / 8)) { + encoder->protected_->state = FLAC__STREAM_ENCODER_MEMORY_ALLOCATION_ERROR; + return false; + } + + /* + * Process the frame header and subframes into the frame bitbuffer + */ + if(!process_subframes_(encoder)) { + /* the above function sets the state for us in case of an error */ + return false; + } + + /* + * Zero-pad the frame to a byte_boundary + */ + if(!FLAC__bitwriter_zero_pad_to_byte_boundary(encoder->private_->frame)) { + encoder->protected_->state = FLAC__STREAM_ENCODER_MEMORY_ALLOCATION_ERROR; + return false; + } + + /* + * CRC-16 the whole thing + */ + FLAC__ASSERT(FLAC__bitwriter_is_byte_aligned(encoder->private_->frame)); + if( + !FLAC__bitwriter_get_write_crc16(encoder->private_->frame, &crc) || + !FLAC__bitwriter_write_raw_uint32(encoder->private_->frame, crc, FLAC__FRAME_FOOTER_CRC_LEN) + ) { + encoder->protected_->state = FLAC__STREAM_ENCODER_MEMORY_ALLOCATION_ERROR; + return false; + } + + /* + * Write it + */ + if(!write_bitbuffer_(encoder, encoder->protected_->blocksize, is_last_block)) { + /* the above function sets the state for us in case of an error */ + return false; + } + + /* + * Get ready for the next frame + */ + encoder->private_->current_sample_number = 0; + encoder->private_->current_frame_number++; + encoder->private_->streaminfo.data.stream_info.total_samples += (FLAC__uint64)encoder->protected_->blocksize; + + return true; +} + +FLAC__bool process_subframes_(FLAC__StreamEncoder *encoder) +{ + FLAC__FrameHeader frame_header; + uint32_t channel, min_partition_order = encoder->protected_->min_residual_partition_order, max_partition_order; + FLAC__bool do_independent, do_mid_side, backup_disable_constant_subframes = encoder->private_->disable_constant_subframes, all_subframes_constant = true; + + /* + * Calculate the min,max Rice partition orders + */ + + max_partition_order = FLAC__format_get_max_rice_partition_order_from_blocksize(encoder->protected_->blocksize); + max_partition_order = flac_min(max_partition_order, encoder->protected_->max_residual_partition_order); + min_partition_order = flac_min(min_partition_order, max_partition_order); + + /* + * Setup the frame + */ + frame_header.blocksize = encoder->protected_->blocksize; + frame_header.sample_rate = encoder->protected_->sample_rate; + frame_header.channels = encoder->protected_->channels; + frame_header.channel_assignment = FLAC__CHANNEL_ASSIGNMENT_INDEPENDENT; /* the default unless the encoder determines otherwise */ + frame_header.bits_per_sample = encoder->protected_->bits_per_sample; + frame_header.number_type = FLAC__FRAME_NUMBER_TYPE_FRAME_NUMBER; + frame_header.number.frame_number = encoder->private_->current_frame_number; + + /* + * Figure out what channel assignments to try + */ + if(encoder->protected_->do_mid_side_stereo) { + if(encoder->protected_->loose_mid_side_stereo) { + if(encoder->private_->loose_mid_side_stereo_frame_count == 0) { + do_independent = true; + do_mid_side = true; + } + else { + do_independent = (encoder->private_->last_channel_assignment == FLAC__CHANNEL_ASSIGNMENT_INDEPENDENT); + do_mid_side = !do_independent; + } + } + else { + do_independent = true; + do_mid_side = true; + } + } + else { + do_independent = true; + do_mid_side = false; + } + + FLAC__ASSERT(do_independent || do_mid_side); + + /* + * Prepare mid-side signals if applicable + */ + if(do_mid_side) { + uint32_t i; + FLAC__ASSERT(encoder->protected_->channels == 2); + if(encoder->protected_->bits_per_sample < 32) + for(i = 0; i < encoder->protected_->blocksize; i++) { + encoder->private_->integer_signal_mid_side[1][i] = encoder->private_->integer_signal[0][i] - encoder->private_->integer_signal[1][i]; + encoder->private_->integer_signal_mid_side[0][i] = (encoder->private_->integer_signal[0][i] + encoder->private_->integer_signal[1][i]) >> 1; /* NOTE: not the same as 'mid = (signal[0][j] + signal[1][j]) / 2' ! */ + } + else + for(i = 0; i <= encoder->protected_->blocksize; i++) { + encoder->private_->integer_signal_33bit_side[i] = (FLAC__int64)encoder->private_->integer_signal[0][i] - (FLAC__int64)encoder->private_->integer_signal[1][i]; + encoder->private_->integer_signal_mid_side[0][i] = ((FLAC__int64)encoder->private_->integer_signal[0][i] + (FLAC__int64)encoder->private_->integer_signal[1][i]) >> 1; /* NOTE: not the same as 'mid = (signal[0][j] + signal[1][j]) / 2' ! */ + } + } + + + /* + * Check for wasted bits; set effective bps for each subframe + */ + if(do_independent) { + for(channel = 0; channel < encoder->protected_->channels; channel++) { + uint32_t w = get_wasted_bits_(encoder->private_->integer_signal[channel], encoder->protected_->blocksize); + if (w > encoder->protected_->bits_per_sample) { + w = encoder->protected_->bits_per_sample; + } + encoder->private_->subframe_workspace[channel][0].wasted_bits = encoder->private_->subframe_workspace[channel][1].wasted_bits = w; + encoder->private_->subframe_bps[channel] = encoder->protected_->bits_per_sample - w; + } + } + if(do_mid_side) { + FLAC__ASSERT(encoder->protected_->channels == 2); + for(channel = 0; channel < 2; channel++) { + uint32_t w; + if(encoder->protected_->bits_per_sample < 32 || channel == 0) + w = get_wasted_bits_(encoder->private_->integer_signal_mid_side[channel], encoder->protected_->blocksize); + else + w = get_wasted_bits_wide_(encoder->private_->integer_signal_33bit_side, encoder->private_->integer_signal_mid_side[channel], encoder->protected_->blocksize); + + if (w > encoder->protected_->bits_per_sample) { + w = encoder->protected_->bits_per_sample; + } + encoder->private_->subframe_workspace_mid_side[channel][0].wasted_bits = encoder->private_->subframe_workspace_mid_side[channel][1].wasted_bits = w; + encoder->private_->subframe_bps_mid_side[channel] = encoder->protected_->bits_per_sample - w + (channel==0? 0:1); + } + } + + /* + * First do a normal encoding pass of each independent channel + */ + if(do_independent) { + for(channel = 0; channel < encoder->protected_->channels; channel++) { + if(encoder->protected_->limit_min_bitrate && all_subframes_constant && (channel + 1) == encoder->protected_->channels){ + /* This frame contains only constant subframes at this point. + * To prevent the frame from becoming too small, make sure + * the last subframe isn't constant */ + encoder->private_->disable_constant_subframes = true; + } + if(! + process_subframe_( + encoder, + min_partition_order, + max_partition_order, + &frame_header, + encoder->private_->subframe_bps[channel], + encoder->private_->integer_signal[channel], + encoder->private_->subframe_workspace_ptr[channel], + encoder->private_->partitioned_rice_contents_workspace_ptr[channel], + encoder->private_->residual_workspace[channel], + encoder->private_->best_subframe+channel, + encoder->private_->best_subframe_bits+channel + ) + ) + return false; + if(encoder->private_->subframe_workspace[channel][encoder->private_->best_subframe[channel]].type != FLAC__SUBFRAME_TYPE_CONSTANT) + all_subframes_constant = false; + } + } + + /* + * Now do mid and side channels if requested + */ + if(do_mid_side) { + FLAC__ASSERT(encoder->protected_->channels == 2); + + for(channel = 0; channel < 2; channel++) { + void *integer_signal_; + if(encoder->private_->subframe_bps_mid_side[channel] <= 32) + integer_signal_ = encoder->private_->integer_signal_mid_side[channel]; + else + integer_signal_ = encoder->private_->integer_signal_33bit_side; + if(! + process_subframe_( + encoder, + min_partition_order, + max_partition_order, + &frame_header, + encoder->private_->subframe_bps_mid_side[channel], + integer_signal_, + encoder->private_->subframe_workspace_ptr_mid_side[channel], + encoder->private_->partitioned_rice_contents_workspace_ptr_mid_side[channel], + encoder->private_->residual_workspace_mid_side[channel], + encoder->private_->best_subframe_mid_side+channel, + encoder->private_->best_subframe_bits_mid_side+channel + ) + ) + return false; + } + } + + /* + * Compose the frame bitbuffer + */ + if(do_mid_side) { + uint32_t left_bps = 0, right_bps = 0; /* initialized only to prevent superfluous compiler warning */ + FLAC__Subframe *left_subframe = 0, *right_subframe = 0; /* initialized only to prevent superfluous compiler warning */ + FLAC__ChannelAssignment channel_assignment; + + FLAC__ASSERT(encoder->protected_->channels == 2); + + if(encoder->protected_->loose_mid_side_stereo && encoder->private_->loose_mid_side_stereo_frame_count > 0) { + channel_assignment = (encoder->private_->last_channel_assignment == FLAC__CHANNEL_ASSIGNMENT_INDEPENDENT? FLAC__CHANNEL_ASSIGNMENT_INDEPENDENT : FLAC__CHANNEL_ASSIGNMENT_MID_SIDE); + } + else { + uint32_t bits[4]; /* WATCHOUT - indexed by FLAC__ChannelAssignment */ + uint32_t min_bits; + int ca; + + FLAC__ASSERT(FLAC__CHANNEL_ASSIGNMENT_INDEPENDENT == 0); + FLAC__ASSERT(FLAC__CHANNEL_ASSIGNMENT_LEFT_SIDE == 1); + FLAC__ASSERT(FLAC__CHANNEL_ASSIGNMENT_RIGHT_SIDE == 2); + FLAC__ASSERT(FLAC__CHANNEL_ASSIGNMENT_MID_SIDE == 3); + FLAC__ASSERT(do_independent && do_mid_side); + + /* We have to figure out which channel assignent results in the smallest frame */ + bits[FLAC__CHANNEL_ASSIGNMENT_INDEPENDENT] = encoder->private_->best_subframe_bits [0] + encoder->private_->best_subframe_bits [1]; + bits[FLAC__CHANNEL_ASSIGNMENT_LEFT_SIDE ] = encoder->private_->best_subframe_bits [0] + encoder->private_->best_subframe_bits_mid_side[1]; + bits[FLAC__CHANNEL_ASSIGNMENT_RIGHT_SIDE ] = encoder->private_->best_subframe_bits [1] + encoder->private_->best_subframe_bits_mid_side[1]; + bits[FLAC__CHANNEL_ASSIGNMENT_MID_SIDE ] = encoder->private_->best_subframe_bits_mid_side[0] + encoder->private_->best_subframe_bits_mid_side[1]; + + channel_assignment = FLAC__CHANNEL_ASSIGNMENT_INDEPENDENT; + min_bits = bits[channel_assignment]; + + /* When doing loose mid-side stereo, ignore left-side + * and right-side options */ + ca = encoder->protected_->loose_mid_side_stereo ? 3 : 1; + for( ; ca <= 3; ca++) { + if(bits[ca] < min_bits) { + min_bits = bits[ca]; + channel_assignment = (FLAC__ChannelAssignment)ca; + } + } + } + + frame_header.channel_assignment = channel_assignment; + + if(!FLAC__frame_add_header(&frame_header, encoder->private_->frame)) { + encoder->protected_->state = FLAC__STREAM_ENCODER_FRAMING_ERROR; + return false; + } + + switch(channel_assignment) { + case FLAC__CHANNEL_ASSIGNMENT_INDEPENDENT: + left_subframe = &encoder->private_->subframe_workspace [0][encoder->private_->best_subframe [0]]; + right_subframe = &encoder->private_->subframe_workspace [1][encoder->private_->best_subframe [1]]; + break; + case FLAC__CHANNEL_ASSIGNMENT_LEFT_SIDE: + left_subframe = &encoder->private_->subframe_workspace [0][encoder->private_->best_subframe [0]]; + right_subframe = &encoder->private_->subframe_workspace_mid_side[1][encoder->private_->best_subframe_mid_side[1]]; + break; + case FLAC__CHANNEL_ASSIGNMENT_RIGHT_SIDE: + left_subframe = &encoder->private_->subframe_workspace_mid_side[1][encoder->private_->best_subframe_mid_side[1]]; + right_subframe = &encoder->private_->subframe_workspace [1][encoder->private_->best_subframe [1]]; + break; + case FLAC__CHANNEL_ASSIGNMENT_MID_SIDE: + left_subframe = &encoder->private_->subframe_workspace_mid_side[0][encoder->private_->best_subframe_mid_side[0]]; + right_subframe = &encoder->private_->subframe_workspace_mid_side[1][encoder->private_->best_subframe_mid_side[1]]; + break; + default: + FLAC__ASSERT(0); + } + + switch(channel_assignment) { + case FLAC__CHANNEL_ASSIGNMENT_INDEPENDENT: + left_bps = encoder->private_->subframe_bps [0]; + right_bps = encoder->private_->subframe_bps [1]; + break; + case FLAC__CHANNEL_ASSIGNMENT_LEFT_SIDE: + left_bps = encoder->private_->subframe_bps [0]; + right_bps = encoder->private_->subframe_bps_mid_side[1]; + break; + case FLAC__CHANNEL_ASSIGNMENT_RIGHT_SIDE: + left_bps = encoder->private_->subframe_bps_mid_side[1]; + right_bps = encoder->private_->subframe_bps [1]; + break; + case FLAC__CHANNEL_ASSIGNMENT_MID_SIDE: + left_bps = encoder->private_->subframe_bps_mid_side[0]; + right_bps = encoder->private_->subframe_bps_mid_side[1]; + break; + default: + FLAC__ASSERT(0); + } + + /* note that encoder_add_subframe_ sets the state for us in case of an error */ + if(!add_subframe_(encoder, frame_header.blocksize, left_bps , left_subframe , encoder->private_->frame)) + return false; + if(!add_subframe_(encoder, frame_header.blocksize, right_bps, right_subframe, encoder->private_->frame)) + return false; + } + else { + if(!FLAC__frame_add_header(&frame_header, encoder->private_->frame)) { + encoder->protected_->state = FLAC__STREAM_ENCODER_FRAMING_ERROR; + return false; + } + + for(channel = 0; channel < encoder->protected_->channels; channel++) { + if(!add_subframe_(encoder, frame_header.blocksize, encoder->private_->subframe_bps[channel], &encoder->private_->subframe_workspace[channel][encoder->private_->best_subframe[channel]], encoder->private_->frame)) { + /* the above function sets the state for us in case of an error */ + return false; + } + } + } + + if(encoder->protected_->loose_mid_side_stereo) { + encoder->private_->loose_mid_side_stereo_frame_count++; + if(encoder->private_->loose_mid_side_stereo_frame_count >= encoder->private_->loose_mid_side_stereo_frames) + encoder->private_->loose_mid_side_stereo_frame_count = 0; + } + + encoder->private_->last_channel_assignment = frame_header.channel_assignment; + encoder->private_->disable_constant_subframes = backup_disable_constant_subframes; + + return true; +} + +FLAC__bool process_subframe_( + FLAC__StreamEncoder *encoder, + uint32_t min_partition_order, + uint32_t max_partition_order, + const FLAC__FrameHeader *frame_header, + uint32_t subframe_bps, + const void *integer_signal, + FLAC__Subframe *subframe[2], + FLAC__EntropyCodingMethod_PartitionedRiceContents *partitioned_rice_contents[2], + FLAC__int32 *residual[2], + uint32_t *best_subframe, + uint32_t *best_bits +) +{ +#ifndef FLAC__INTEGER_ONLY_LIBRARY + float fixed_residual_bits_per_sample[FLAC__MAX_FIXED_ORDER+1]; +#else + FLAC__fixedpoint fixed_residual_bits_per_sample[FLAC__MAX_FIXED_ORDER+1]; +#endif +#ifndef FLAC__INTEGER_ONLY_LIBRARY + double lpc_residual_bits_per_sample; + apply_apodization_state_struct apply_apodization_state; + double lpc_error[FLAC__MAX_LPC_ORDER]; + uint32_t min_lpc_order, max_lpc_order, lpc_order, guess_lpc_order; + uint32_t min_qlp_coeff_precision, max_qlp_coeff_precision, qlp_coeff_precision; +#endif + uint32_t min_fixed_order, max_fixed_order, guess_fixed_order, fixed_order; + uint32_t _candidate_bits, _best_bits; + uint32_t _best_subframe; + /* only use RICE2 partitions if stream bps > 16 */ + const uint32_t rice_parameter_limit = FLAC__stream_encoder_get_bits_per_sample(encoder) > 16? FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2_ESCAPE_PARAMETER : FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ESCAPE_PARAMETER; + + FLAC__ASSERT(frame_header->blocksize > 0); + + /* verbatim subframe is the baseline against which we measure other compressed subframes */ + _best_subframe = 0; + if(encoder->private_->disable_verbatim_subframes && frame_header->blocksize >= FLAC__MAX_FIXED_ORDER) + _best_bits = UINT32_MAX; + else + _best_bits = evaluate_verbatim_subframe_(encoder, integer_signal, frame_header->blocksize, subframe_bps, subframe[_best_subframe]); + *best_bits = _best_bits; + + if(frame_header->blocksize > FLAC__MAX_FIXED_ORDER) { + uint32_t signal_is_constant = false; + /* The next formula determines when to use a 64-bit accumulator + * for the error of a fixed predictor, and when a 32-bit one. As + * the error of a 4th order predictor for a given sample is the + * sum of 17 sample values (1+4+6+4+1) and there are blocksize - + * order error values to be summed, the maximum total error is + * maximum_sample_value * (blocksize - order) * 17. As ilog2(x) + * calculates floor(2log(x)), the result must be 31 or lower + */ + if(subframe_bps < 28){ + if(subframe_bps + FLAC__bitmath_ilog2((frame_header->blocksize-FLAC__MAX_FIXED_ORDER)*17) < 32) + guess_fixed_order = encoder->private_->local_fixed_compute_best_predictor(((FLAC__int32 *)integer_signal)+FLAC__MAX_FIXED_ORDER, frame_header->blocksize-FLAC__MAX_FIXED_ORDER, fixed_residual_bits_per_sample); + else + guess_fixed_order = encoder->private_->local_fixed_compute_best_predictor_wide(((FLAC__int32 *)integer_signal)+FLAC__MAX_FIXED_ORDER, frame_header->blocksize-FLAC__MAX_FIXED_ORDER, fixed_residual_bits_per_sample); + } + else + if(subframe_bps <= 32) + guess_fixed_order = encoder->private_->local_fixed_compute_best_predictor_limit_residual(((FLAC__int32 *)integer_signal+FLAC__MAX_FIXED_ORDER),frame_header->blocksize-FLAC__MAX_FIXED_ORDER, fixed_residual_bits_per_sample); + else + guess_fixed_order = FLAC__fixed_compute_best_predictor_limit_residual_33bit(((FLAC__int64 *)integer_signal+FLAC__MAX_FIXED_ORDER),frame_header->blocksize-FLAC__MAX_FIXED_ORDER, fixed_residual_bits_per_sample); + + /* check for constant subframe */ + if( + !encoder->private_->disable_constant_subframes && +#ifndef FLAC__INTEGER_ONLY_LIBRARY + fixed_residual_bits_per_sample[1] == 0.0 +#else + fixed_residual_bits_per_sample[1] == FLAC__FP_ZERO +#endif + ) { + /* the above means it's possible all samples are the same value; now double-check it: */ + uint32_t i; + signal_is_constant = true; + if(subframe_bps <= 32){ + const FLAC__int32 *integer_signal_ = integer_signal; + for(i = 1; i < frame_header->blocksize; i++) { + if(integer_signal_[0] != integer_signal_[i]) { + signal_is_constant = false; + break; + } + } + } + else { + const FLAC__int64 *integer_signal_ = integer_signal; + for(i = 1; i < frame_header->blocksize; i++) { + if(integer_signal_[0] != integer_signal_[i]) { + signal_is_constant = false; + break; + } + } + } + } + if(signal_is_constant) { + if(subframe_bps <= 32) + _candidate_bits = evaluate_constant_subframe_(encoder, ((FLAC__int32 *)integer_signal)[0], frame_header->blocksize, subframe_bps, subframe[!_best_subframe]); + else + _candidate_bits = evaluate_constant_subframe_(encoder, ((FLAC__int64 *)integer_signal)[0], frame_header->blocksize, subframe_bps, subframe[!_best_subframe]); + + if(_candidate_bits < _best_bits) { + _best_subframe = !_best_subframe; + _best_bits = _candidate_bits; + } + } + else { + if(!encoder->private_->disable_fixed_subframes || (encoder->protected_->max_lpc_order == 0 && _best_bits == UINT_MAX)) { + /* encode fixed */ + if(encoder->protected_->do_exhaustive_model_search) { + min_fixed_order = 0; + max_fixed_order = FLAC__MAX_FIXED_ORDER; + } + else { + min_fixed_order = max_fixed_order = guess_fixed_order; + } + if(max_fixed_order >= frame_header->blocksize) + max_fixed_order = frame_header->blocksize - 1; + for(fixed_order = min_fixed_order; fixed_order <= max_fixed_order; fixed_order++) { +#ifndef FLAC__INTEGER_ONLY_LIBRARY + if(fixed_residual_bits_per_sample[fixed_order] >= (float)subframe_bps) + continue; /* don't even try */ +#else + if(FLAC__fixedpoint_trunc(fixed_residual_bits_per_sample[fixed_order]) >= (int)subframe_bps) + continue; /* don't even try */ +#endif + _candidate_bits = + evaluate_fixed_subframe_( + encoder, + integer_signal, + residual[!_best_subframe], + encoder->private_->abs_residual_partition_sums, + encoder->private_->raw_bits_per_partition, + frame_header->blocksize, + subframe_bps, + fixed_order, + rice_parameter_limit, + min_partition_order, + max_partition_order, + encoder->protected_->do_escape_coding, + encoder->protected_->rice_parameter_search_dist, + subframe[!_best_subframe], + partitioned_rice_contents[!_best_subframe] + ); + if(_candidate_bits < _best_bits) { + _best_subframe = !_best_subframe; + _best_bits = _candidate_bits; + } + } + } + +#ifndef FLAC__INTEGER_ONLY_LIBRARY + /* encode lpc */ + if(encoder->protected_->max_lpc_order > 0) { + if(encoder->protected_->max_lpc_order >= frame_header->blocksize) + max_lpc_order = frame_header->blocksize-1; + else + max_lpc_order = encoder->protected_->max_lpc_order; + if(max_lpc_order > 0) { + apply_apodization_state.a = 0; + apply_apodization_state.b = 1; + apply_apodization_state.c = 0; + while (apply_apodization_state.a < encoder->protected_->num_apodizations) { + uint32_t max_lpc_order_this_apodization = max_lpc_order; + + if(!apply_apodization_(encoder, &apply_apodization_state, + frame_header->blocksize, lpc_error, + &max_lpc_order_this_apodization, + subframe_bps, integer_signal, + &guess_lpc_order)) + /* If apply_apodization_ fails, try next apodization */ + continue; + + if(encoder->protected_->do_exhaustive_model_search) { + min_lpc_order = 1; + } + else { + min_lpc_order = max_lpc_order_this_apodization = guess_lpc_order; + } + for(lpc_order = min_lpc_order; lpc_order <= max_lpc_order_this_apodization; lpc_order++) { + lpc_residual_bits_per_sample = FLAC__lpc_compute_expected_bits_per_residual_sample(lpc_error[lpc_order-1], frame_header->blocksize-lpc_order); + if(lpc_residual_bits_per_sample >= (double)subframe_bps) + continue; /* don't even try */ + if(encoder->protected_->do_qlp_coeff_prec_search) { + min_qlp_coeff_precision = FLAC__MIN_QLP_COEFF_PRECISION; + /* try to keep qlp coeff precision such that only 32-bit math is required for decode of <=16bps(+1bps for side channel) streams */ + if(subframe_bps <= 17) { + max_qlp_coeff_precision = flac_min(32 - subframe_bps - FLAC__bitmath_ilog2(lpc_order), FLAC__MAX_QLP_COEFF_PRECISION); + max_qlp_coeff_precision = flac_max(max_qlp_coeff_precision, min_qlp_coeff_precision); + } + else + max_qlp_coeff_precision = FLAC__MAX_QLP_COEFF_PRECISION; + } + else { + min_qlp_coeff_precision = max_qlp_coeff_precision = encoder->protected_->qlp_coeff_precision; + } + for(qlp_coeff_precision = min_qlp_coeff_precision; qlp_coeff_precision <= max_qlp_coeff_precision; qlp_coeff_precision++) { + _candidate_bits = + evaluate_lpc_subframe_( + encoder, + integer_signal, + residual[!_best_subframe], + encoder->private_->abs_residual_partition_sums, + encoder->private_->raw_bits_per_partition, + encoder->private_->lp_coeff[lpc_order-1], + frame_header->blocksize, + subframe_bps, + lpc_order, + qlp_coeff_precision, + rice_parameter_limit, + min_partition_order, + max_partition_order, + encoder->protected_->do_escape_coding, + encoder->protected_->rice_parameter_search_dist, + subframe[!_best_subframe], + partitioned_rice_contents[!_best_subframe] + ); + if(_candidate_bits > 0) { /* if == 0, there was a problem quantizing the lpcoeffs */ + if(_candidate_bits < _best_bits) { + _best_subframe = !_best_subframe; + _best_bits = _candidate_bits; + } + } + } + } + } + } + } +#endif /* !defined FLAC__INTEGER_ONLY_LIBRARY */ + } + } + + /* under rare circumstances this can happen when all but lpc subframe types are disabled: */ + if(_best_bits == UINT32_MAX) { + FLAC__ASSERT(_best_subframe == 0); + _best_bits = evaluate_verbatim_subframe_(encoder, integer_signal, frame_header->blocksize, subframe_bps, subframe[_best_subframe]); + } + + *best_subframe = _best_subframe; + *best_bits = _best_bits; + + return true; +} + +#ifndef FLAC__INTEGER_ONLY_LIBRARY +static inline void set_next_subdivide_tukey(FLAC__int32 parts, uint32_t * apodizations, uint32_t * current_depth, uint32_t * current_part){ + // current_part is interleaved: even are partial, odd are punchout + if(*current_depth == 2){ + // For depth 2, we only do partial, no punchout as that is almost redundant + if(*current_part == 0){ + *current_part = 2; + }else{ /* *current_path == 2 */ + *current_part = 0; + (*current_depth)++; + } + }else if((*current_part) < (2*(*current_depth)-1)){ + (*current_part)++; + }else{ /* (*current_part) >= (2*(*current_depth)-1) */ + *current_part = 0; + (*current_depth)++; + } + + /* Now check if we are done with this SUBDIVIDE_TUKEY apodization */ + if(*current_depth > (uint32_t) parts){ + (*apodizations)++; + *current_depth = 1; + *current_part = 0; + } +} + +FLAC__bool apply_apodization_(FLAC__StreamEncoder *encoder, + apply_apodization_state_struct *apply_apodization_state, + uint32_t blocksize, + double *lpc_error, + uint32_t *max_lpc_order_this_apodization, + uint32_t subframe_bps, + const void *integer_signal, + uint32_t *guess_lpc_order) +{ + apply_apodization_state->current_apodization = &encoder->protected_->apodizations[apply_apodization_state->a]; + + if(apply_apodization_state->b == 1) { + /* window full subblock */ + if(subframe_bps <= 32) + FLAC__lpc_window_data(integer_signal, encoder->private_->window[apply_apodization_state->a], encoder->private_->windowed_signal, blocksize); + else + FLAC__lpc_window_data_wide(integer_signal, encoder->private_->window[apply_apodization_state->a], encoder->private_->windowed_signal, blocksize); + encoder->private_->local_lpc_compute_autocorrelation(encoder->private_->windowed_signal, blocksize, (*max_lpc_order_this_apodization)+1, apply_apodization_state->autoc); + if(apply_apodization_state->current_apodization->type == FLAC__APODIZATION_SUBDIVIDE_TUKEY){ + uint32_t i; + for(i = 0; i < *max_lpc_order_this_apodization; i++) + memcpy(apply_apodization_state->autoc_root, apply_apodization_state->autoc, *max_lpc_order_this_apodization*sizeof(apply_apodization_state->autoc[0])); + + (apply_apodization_state->b)++; + }else{ + (apply_apodization_state->a)++; + } + } + else { + /* window part of subblock */ + if(blocksize/apply_apodization_state->b <= FLAC__MAX_LPC_ORDER) { + /* intrinsics autocorrelation routines do not all handle cases in which lag might be + * larger than data_len, and some routines round lag up to the nearest multiple of 4 + * As little gain is expected from using LPC on part of a signal as small as 32 samples + * and to enable widening this rounding up to larger values in the future, windowing + * parts smaller than or equal to FLAC__MAX_LPC_ORDER (which is 32) samples is not supported */ + set_next_subdivide_tukey(apply_apodization_state->current_apodization->parameters.subdivide_tukey.parts, &apply_apodization_state->a, &apply_apodization_state->b, &apply_apodization_state->c); + return false; + } + if(!(apply_apodization_state->c % 2)) { + /* on even c, evaluate the (c/2)th partial window of size blocksize/b */ + if(subframe_bps <= 32) + FLAC__lpc_window_data_partial(integer_signal, encoder->private_->window[apply_apodization_state->a], encoder->private_->windowed_signal, blocksize, blocksize/apply_apodization_state->b/2, (apply_apodization_state->c/2*blocksize)/apply_apodization_state->b); + else + FLAC__lpc_window_data_partial_wide(integer_signal, encoder->private_->window[apply_apodization_state->a], encoder->private_->windowed_signal, blocksize, blocksize/apply_apodization_state->b/2, (apply_apodization_state->c/2*blocksize)/apply_apodization_state->b); + encoder->private_->local_lpc_compute_autocorrelation(encoder->private_->windowed_signal, blocksize/apply_apodization_state->b, (*max_lpc_order_this_apodization)+1, apply_apodization_state->autoc); + } + else { + /* on uneven c, evaluate the root window (over the whole block) minus the previous partial window + * similar to tukey_punchout apodization but more efficient */ + uint32_t i; + for(i = 0; i < *max_lpc_order_this_apodization; i++) + apply_apodization_state->autoc[i] = apply_apodization_state->autoc_root[i] - apply_apodization_state->autoc[i]; + } + /* Next function sets a, b and c appropriate for next iteration */ + set_next_subdivide_tukey(apply_apodization_state->current_apodization->parameters.subdivide_tukey.parts, &apply_apodization_state->a, &apply_apodization_state->b, &apply_apodization_state->c); + } + + if(apply_apodization_state->autoc[0] == 0.0) /* Signal seems to be constant, so we can't do lp. Constant detection is probably disabled */ + return false; + FLAC__lpc_compute_lp_coefficients(apply_apodization_state->autoc, max_lpc_order_this_apodization, encoder->private_->lp_coeff, lpc_error); + *guess_lpc_order = + FLAC__lpc_compute_best_order( + lpc_error, + *max_lpc_order_this_apodization, + blocksize, + subframe_bps + ( + encoder->protected_->do_qlp_coeff_prec_search? + FLAC__MIN_QLP_COEFF_PRECISION : /* have to guess; use the min possible size to avoid accidentally favoring lower orders */ + encoder->protected_->qlp_coeff_precision + ) + ); + return true; +} +#endif + +FLAC__bool add_subframe_( + FLAC__StreamEncoder *encoder, + uint32_t blocksize, + uint32_t subframe_bps, + const FLAC__Subframe *subframe, + FLAC__BitWriter *frame +) +{ + switch(subframe->type) { + case FLAC__SUBFRAME_TYPE_CONSTANT: + if(!FLAC__subframe_add_constant(&(subframe->data.constant), subframe_bps, subframe->wasted_bits, frame)) { + encoder->protected_->state = FLAC__STREAM_ENCODER_FRAMING_ERROR; + return false; + } + break; + case FLAC__SUBFRAME_TYPE_FIXED: + if(!FLAC__subframe_add_fixed(&(subframe->data.fixed), blocksize - subframe->data.fixed.order, subframe_bps, subframe->wasted_bits, frame)) { + encoder->protected_->state = FLAC__STREAM_ENCODER_FRAMING_ERROR; + return false; + } + break; + case FLAC__SUBFRAME_TYPE_LPC: + if(!FLAC__subframe_add_lpc(&(subframe->data.lpc), blocksize - subframe->data.lpc.order, subframe_bps, subframe->wasted_bits, frame)) { + encoder->protected_->state = FLAC__STREAM_ENCODER_FRAMING_ERROR; + return false; + } + break; + case FLAC__SUBFRAME_TYPE_VERBATIM: + if(!FLAC__subframe_add_verbatim(&(subframe->data.verbatim), blocksize, subframe_bps, subframe->wasted_bits, frame)) { + encoder->protected_->state = FLAC__STREAM_ENCODER_FRAMING_ERROR; + return false; + } + break; + default: + FLAC__ASSERT(0); + } + + return true; +} + +#define SPOTCHECK_ESTIMATE 0 +#if SPOTCHECK_ESTIMATE +static void spotcheck_subframe_estimate_( + FLAC__StreamEncoder *encoder, + uint32_t blocksize, + uint32_t subframe_bps, + const FLAC__Subframe *subframe, + uint32_t estimate +) +{ + FLAC__bool ret; + FLAC__BitWriter *frame = FLAC__bitwriter_new(); + if(frame == 0) { + fprintf(stderr, "EST: can't allocate frame\n"); + return; + } + if(!FLAC__bitwriter_init(frame)) { + fprintf(stderr, "EST: can't init frame\n"); + return; + } + ret = add_subframe_(encoder, blocksize, subframe_bps, subframe, frame); + FLAC__ASSERT(ret); + { + const uint32_t actual = FLAC__bitwriter_get_input_bits_unconsumed(frame); + if(estimate != actual) + fprintf(stderr, "EST: bad, frame#%u sub#%%d type=%8s est=%u, actual=%u, delta=%d\n", encoder->private_->current_frame_number, FLAC__SubframeTypeString[subframe->type], estimate, actual, (int)actual-(int)estimate); + } + FLAC__bitwriter_delete(frame); +} +#endif + +uint32_t evaluate_constant_subframe_( + FLAC__StreamEncoder *encoder, + const FLAC__int64 signal, + uint32_t blocksize, + uint32_t subframe_bps, + FLAC__Subframe *subframe +) +{ + uint32_t estimate; + subframe->type = FLAC__SUBFRAME_TYPE_CONSTANT; + subframe->data.constant.value = signal; + + estimate = FLAC__SUBFRAME_ZERO_PAD_LEN + FLAC__SUBFRAME_TYPE_LEN + FLAC__SUBFRAME_WASTED_BITS_FLAG_LEN + subframe->wasted_bits + subframe_bps; + +#if SPOTCHECK_ESTIMATE + spotcheck_subframe_estimate_(encoder, blocksize, subframe_bps, subframe, estimate); +#else + (void)encoder, (void)blocksize; +#endif + + return estimate; +} + +uint32_t evaluate_fixed_subframe_( + FLAC__StreamEncoder *encoder, + const void *signal, + FLAC__int32 residual[], + FLAC__uint64 abs_residual_partition_sums[], + uint32_t raw_bits_per_partition[], + uint32_t blocksize, + uint32_t subframe_bps, + uint32_t order, + uint32_t rice_parameter_limit, + uint32_t min_partition_order, + uint32_t max_partition_order, + FLAC__bool do_escape_coding, + uint32_t rice_parameter_search_dist, + FLAC__Subframe *subframe, + FLAC__EntropyCodingMethod_PartitionedRiceContents *partitioned_rice_contents +) +{ + uint32_t i, residual_bits, estimate; + const uint32_t residual_samples = blocksize - order; + + if((subframe_bps + order) <= 32) + FLAC__fixed_compute_residual(((FLAC__int32 *)signal)+order, residual_samples, order, residual); + else if(subframe_bps <= 32) + FLAC__fixed_compute_residual_wide(((FLAC__int32 *)signal)+order, residual_samples, order, residual); + else + FLAC__fixed_compute_residual_wide_33bit(((FLAC__int64 *)signal)+order, residual_samples, order, residual); + + subframe->type = FLAC__SUBFRAME_TYPE_FIXED; + + subframe->data.fixed.entropy_coding_method.type = FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE; + subframe->data.fixed.entropy_coding_method.data.partitioned_rice.contents = partitioned_rice_contents; + subframe->data.fixed.residual = residual; + + residual_bits = + find_best_partition_order_( + encoder->private_, + residual, + abs_residual_partition_sums, + raw_bits_per_partition, + residual_samples, + order, + rice_parameter_limit, + min_partition_order, + max_partition_order, + subframe_bps, + do_escape_coding, + rice_parameter_search_dist, + &subframe->data.fixed.entropy_coding_method + ); + + subframe->data.fixed.order = order; + if(subframe_bps <= 32) + for(i = 0; i < order; i++) + subframe->data.fixed.warmup[i] = ((FLAC__int32 *)signal)[i]; + else + for(i = 0; i < order; i++) + subframe->data.fixed.warmup[i] = ((FLAC__int64 *)signal)[i]; + + estimate = FLAC__SUBFRAME_ZERO_PAD_LEN + FLAC__SUBFRAME_TYPE_LEN + FLAC__SUBFRAME_WASTED_BITS_FLAG_LEN + subframe->wasted_bits + (order * subframe_bps); + if(residual_bits < UINT32_MAX - estimate) // To make sure estimate doesn't overflow + estimate += residual_bits; + else + estimate = UINT32_MAX; + +#if SPOTCHECK_ESTIMATE + spotcheck_subframe_estimate_(encoder, blocksize, subframe_bps, subframe, estimate); +#endif + + return estimate; +} + +#ifndef FLAC__INTEGER_ONLY_LIBRARY +uint32_t evaluate_lpc_subframe_( + FLAC__StreamEncoder *encoder, + const void *signal, + FLAC__int32 residual[], + FLAC__uint64 abs_residual_partition_sums[], + uint32_t raw_bits_per_partition[], + const FLAC__real lp_coeff[], + uint32_t blocksize, + uint32_t subframe_bps, + uint32_t order, + uint32_t qlp_coeff_precision, + uint32_t rice_parameter_limit, + uint32_t min_partition_order, + uint32_t max_partition_order, + FLAC__bool do_escape_coding, + uint32_t rice_parameter_search_dist, + FLAC__Subframe *subframe, + FLAC__EntropyCodingMethod_PartitionedRiceContents *partitioned_rice_contents +) +{ + FLAC__int32 qlp_coeff[FLAC__MAX_LPC_ORDER]; /* WATCHOUT: the size is important; some x86 intrinsic routines need more than lpc order elements */ + uint32_t i, residual_bits, estimate; + int quantization, ret; + const uint32_t residual_samples = blocksize - order; + + /* try to keep qlp coeff precision such that only 32-bit math is required for decode of <=16bps(+1bps for side channel) streams */ + if(subframe_bps <= 17) { + FLAC__ASSERT(order > 0); + FLAC__ASSERT(order <= FLAC__MAX_LPC_ORDER); + qlp_coeff_precision = flac_min(qlp_coeff_precision, 32 - subframe_bps - FLAC__bitmath_ilog2(order)); + } + + ret = FLAC__lpc_quantize_coefficients(lp_coeff, order, qlp_coeff_precision, qlp_coeff, &quantization); + if(ret != 0) + return 0; /* this is a hack to indicate to the caller that we can't do lp at this order on this subframe */ + + if(FLAC__lpc_max_residual_bps(subframe_bps, qlp_coeff, order, quantization) > 32) { + if(subframe_bps <= 32){ + if(!FLAC__lpc_compute_residual_from_qlp_coefficients_limit_residual(((FLAC__int32 *)signal)+order, residual_samples, qlp_coeff, order, quantization, residual)) + return 0; + } + else + if(!FLAC__lpc_compute_residual_from_qlp_coefficients_limit_residual_33bit(((FLAC__int64 *)signal)+order, residual_samples, qlp_coeff, order, quantization, residual)) + return 0; + } + else + if(FLAC__lpc_max_prediction_before_shift_bps(subframe_bps, qlp_coeff, order) <= 32) + if(subframe_bps <= 16 && qlp_coeff_precision <= 16) + encoder->private_->local_lpc_compute_residual_from_qlp_coefficients_16bit(((FLAC__int32 *)signal)+order, residual_samples, qlp_coeff, order, quantization, residual); + else + encoder->private_->local_lpc_compute_residual_from_qlp_coefficients(((FLAC__int32 *)signal)+order, residual_samples, qlp_coeff, order, quantization, residual); + else + encoder->private_->local_lpc_compute_residual_from_qlp_coefficients_64bit(((FLAC__int32 *)signal)+order, residual_samples, qlp_coeff, order, quantization, residual); + + subframe->type = FLAC__SUBFRAME_TYPE_LPC; + + subframe->data.lpc.entropy_coding_method.type = FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE; + subframe->data.lpc.entropy_coding_method.data.partitioned_rice.contents = partitioned_rice_contents; + subframe->data.lpc.residual = residual; + + residual_bits = + find_best_partition_order_( + encoder->private_, + residual, + abs_residual_partition_sums, + raw_bits_per_partition, + residual_samples, + order, + rice_parameter_limit, + min_partition_order, + max_partition_order, + subframe_bps, + do_escape_coding, + rice_parameter_search_dist, + &subframe->data.lpc.entropy_coding_method + ); + + subframe->data.lpc.order = order; + subframe->data.lpc.qlp_coeff_precision = qlp_coeff_precision; + subframe->data.lpc.quantization_level = quantization; + memcpy(subframe->data.lpc.qlp_coeff, qlp_coeff, sizeof(FLAC__int32)*FLAC__MAX_LPC_ORDER); + if(subframe_bps <= 32) + for(i = 0; i < order; i++) + subframe->data.lpc.warmup[i] = ((FLAC__int32 *)signal)[i]; + else + for(i = 0; i < order; i++) + subframe->data.lpc.warmup[i] = ((FLAC__int64 *)signal)[i]; + + + estimate = FLAC__SUBFRAME_ZERO_PAD_LEN + FLAC__SUBFRAME_TYPE_LEN + FLAC__SUBFRAME_WASTED_BITS_FLAG_LEN + subframe->wasted_bits + FLAC__SUBFRAME_LPC_QLP_COEFF_PRECISION_LEN + FLAC__SUBFRAME_LPC_QLP_SHIFT_LEN + (order * (qlp_coeff_precision + subframe_bps)); + if(residual_bits < UINT32_MAX - estimate) // To make sure estimate doesn't overflow + estimate += residual_bits; + else + estimate = UINT32_MAX; + +#if SPOTCHECK_ESTIMATE + spotcheck_subframe_estimate_(encoder, blocksize, subframe_bps, subframe, estimate); +#endif + + return estimate; +} +#endif + +uint32_t evaluate_verbatim_subframe_( + FLAC__StreamEncoder *encoder, + const void *signal, + uint32_t blocksize, + uint32_t subframe_bps, + FLAC__Subframe *subframe +) +{ + uint32_t estimate; + + subframe->type = FLAC__SUBFRAME_TYPE_VERBATIM; + + if(subframe_bps <= 32){ + subframe->data.verbatim.data_type = FLAC__VERBATIM_SUBFRAME_DATA_TYPE_INT32; + subframe->data.verbatim.data.int32 = signal; + } + else { + subframe->data.verbatim.data_type = FLAC__VERBATIM_SUBFRAME_DATA_TYPE_INT64; + subframe->data.verbatim.data.int64 = signal; + } + + estimate = FLAC__SUBFRAME_ZERO_PAD_LEN + FLAC__SUBFRAME_TYPE_LEN + FLAC__SUBFRAME_WASTED_BITS_FLAG_LEN + subframe->wasted_bits + (blocksize * subframe_bps); + +#if SPOTCHECK_ESTIMATE + spotcheck_subframe_estimate_(encoder, blocksize, subframe_bps, subframe, estimate); +#else + (void)encoder; +#endif + + return estimate; +} + +uint32_t find_best_partition_order_( + FLAC__StreamEncoderPrivate *private_, + const FLAC__int32 residual[], + FLAC__uint64 abs_residual_partition_sums[], + uint32_t raw_bits_per_partition[], + uint32_t residual_samples, + uint32_t predictor_order, + uint32_t rice_parameter_limit, + uint32_t min_partition_order, + uint32_t max_partition_order, + uint32_t bps, + FLAC__bool do_escape_coding, + uint32_t rice_parameter_search_dist, + FLAC__EntropyCodingMethod *best_ecm +) +{ + uint32_t residual_bits, best_residual_bits = 0; + uint32_t best_parameters_index = 0; + uint32_t best_partition_order = 0; + const uint32_t blocksize = residual_samples + predictor_order; + + max_partition_order = FLAC__format_get_max_rice_partition_order_from_blocksize_limited_max_and_predictor_order(max_partition_order, blocksize, predictor_order); + min_partition_order = flac_min(min_partition_order, max_partition_order); + + private_->local_precompute_partition_info_sums(residual, abs_residual_partition_sums, residual_samples, predictor_order, min_partition_order, max_partition_order, bps); + + if(do_escape_coding) + precompute_partition_info_escapes_(residual, raw_bits_per_partition, residual_samples, predictor_order, min_partition_order, max_partition_order); + + { + int partition_order; + uint32_t sum; + + for(partition_order = (int)max_partition_order, sum = 0; partition_order >= (int)min_partition_order; partition_order--) { + if(! + set_partitioned_rice_( +#ifdef EXACT_RICE_BITS_CALCULATION + residual, +#endif + abs_residual_partition_sums+sum, + raw_bits_per_partition+sum, + residual_samples, + predictor_order, + rice_parameter_limit, + rice_parameter_search_dist, + (uint32_t)partition_order, + do_escape_coding, + &private_->partitioned_rice_contents_extra[!best_parameters_index], + &residual_bits + ) + ) + { + FLAC__ASSERT(best_residual_bits != 0); + break; + } + sum += 1u << partition_order; + if(best_residual_bits == 0 || residual_bits < best_residual_bits) { + best_residual_bits = residual_bits; + best_parameters_index = !best_parameters_index; + best_partition_order = partition_order; + } + } + } + + best_ecm->data.partitioned_rice.order = best_partition_order; + + { + /* + * We are allowed to de-const the pointer based on our special + * knowledge; it is const to the outside world. + */ + FLAC__EntropyCodingMethod_PartitionedRiceContents* prc = (FLAC__EntropyCodingMethod_PartitionedRiceContents*)best_ecm->data.partitioned_rice.contents; + uint32_t partition; + + /* save best parameters and raw_bits */ + memcpy(prc->parameters, private_->partitioned_rice_contents_extra[best_parameters_index].parameters, (uint32_t)sizeof(uint32_t)*(1<<(best_partition_order))); + if(do_escape_coding) + memcpy(prc->raw_bits, private_->partitioned_rice_contents_extra[best_parameters_index].raw_bits, (uint32_t)sizeof(uint32_t)*(1<<(best_partition_order))); + /* + * Now need to check if the type should be changed to + * FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2 based on the + * size of the rice parameters. + */ + for(partition = 0; partition < (1u<<best_partition_order); partition++) { + if(prc->parameters[partition] >= FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ESCAPE_PARAMETER) { + best_ecm->type = FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2; + break; + } + } + } + + return best_residual_bits; +} + +void precompute_partition_info_sums_( + const FLAC__int32 residual[], + FLAC__uint64 abs_residual_partition_sums[], + uint32_t residual_samples, + uint32_t predictor_order, + uint32_t min_partition_order, + uint32_t max_partition_order, + uint32_t bps +) +{ + const uint32_t default_partition_samples = (residual_samples + predictor_order) >> max_partition_order; + uint32_t partitions = 1u << max_partition_order; + + FLAC__ASSERT(default_partition_samples > predictor_order); + + /* first do max_partition_order */ + { + const uint32_t threshold = 32 - FLAC__bitmath_ilog2(default_partition_samples); + uint32_t partition, residual_sample, end = (uint32_t)(-(int)predictor_order); + /* WATCHOUT: "bps + FLAC__MAX_EXTRA_RESIDUAL_BPS" is the maximum assumed size of the average residual magnitude */ + if(bps + FLAC__MAX_EXTRA_RESIDUAL_BPS < threshold) { + for(partition = residual_sample = 0; partition < partitions; partition++) { + FLAC__uint32 abs_residual_partition_sum = 0; + end += default_partition_samples; + for( ; residual_sample < end; residual_sample++) + abs_residual_partition_sum += abs(residual[residual_sample]); /* abs(INT_MIN) is undefined, but if the residual is INT_MIN we have bigger problems */ + abs_residual_partition_sums[partition] = abs_residual_partition_sum; + } + } + else { /* have to pessimistically use 64 bits for accumulator */ + for(partition = residual_sample = 0; partition < partitions; partition++) { + FLAC__uint64 abs_residual_partition_sum64 = 0; + end += default_partition_samples; + for( ; residual_sample < end; residual_sample++) + abs_residual_partition_sum64 += abs(residual[residual_sample]); /* abs(INT_MIN) is undefined, but if the residual is INT_MIN we have bigger problems */ + abs_residual_partition_sums[partition] = abs_residual_partition_sum64; + } + } + } + + /* now merge partitions for lower orders */ + { + uint32_t from_partition = 0, to_partition = partitions; + int partition_order; + for(partition_order = (int)max_partition_order - 1; partition_order >= (int)min_partition_order; partition_order--) { + uint32_t i; + partitions >>= 1; + for(i = 0; i < partitions; i++) { + abs_residual_partition_sums[to_partition++] = + abs_residual_partition_sums[from_partition ] + + abs_residual_partition_sums[from_partition+1]; + from_partition += 2; + } + } + } +} + +void precompute_partition_info_escapes_( + const FLAC__int32 residual[], + uint32_t raw_bits_per_partition[], + uint32_t residual_samples, + uint32_t predictor_order, + uint32_t min_partition_order, + uint32_t max_partition_order +) +{ + int partition_order; + uint32_t from_partition, to_partition = 0; + const uint32_t blocksize = residual_samples + predictor_order; + + /* first do max_partition_order */ + for(partition_order = (int)max_partition_order; partition_order >= 0; partition_order--) { + FLAC__int32 r; + FLAC__uint32 rmax; + uint32_t partition, partition_sample, partition_samples, residual_sample; + const uint32_t partitions = 1u << partition_order; + const uint32_t default_partition_samples = blocksize >> partition_order; + + FLAC__ASSERT(default_partition_samples > predictor_order); + + for(partition = residual_sample = 0; partition < partitions; partition++) { + partition_samples = default_partition_samples; + if(partition == 0) + partition_samples -= predictor_order; + rmax = 0; + for(partition_sample = 0; partition_sample < partition_samples; partition_sample++) { + r = residual[residual_sample++]; + /* OPT: maybe faster: rmax |= r ^ (r>>31) */ + if(r < 0) + rmax |= ~r; + else + rmax |= r; + } + /* now we know all residual values are in the range [-rmax-1,rmax] */ + raw_bits_per_partition[partition] = rmax? FLAC__bitmath_ilog2(rmax) + 2 : 1; + } + to_partition = partitions; + break; /*@@@ yuck, should remove the 'for' loop instead */ + } + + /* now merge partitions for lower orders */ + for(from_partition = 0, --partition_order; partition_order >= (int)min_partition_order; partition_order--) { + uint32_t m; + uint32_t i; + const uint32_t partitions = 1u << partition_order; + for(i = 0; i < partitions; i++) { + m = raw_bits_per_partition[from_partition]; + from_partition++; + raw_bits_per_partition[to_partition] = flac_max(m, raw_bits_per_partition[from_partition]); + from_partition++; + to_partition++; + } + } +} + +#ifdef EXACT_RICE_BITS_CALCULATION +static inline uint32_t count_rice_bits_in_partition_( + const uint32_t rice_parameter, + const uint32_t partition_samples, + const FLAC__int32 *residual +) +{ + uint32_t i; + uint64_t partition_bits = + FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_PARAMETER_LEN + /* actually could end up being FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2_PARAMETER_LEN but err on side of 16bps */ + (1+rice_parameter) * partition_samples /* 1 for unary stop bit + rice_parameter for the binary portion */ + ; + for(i = 0; i < partition_samples; i++) + partition_bits += ( (FLAC__uint32)((residual[i]<<1)^(residual[i]>>31)) >> rice_parameter ); + return (uint32_t)(flac_min(partition_bits,UINT32_MAX)); // To make sure the return value doesn't overflow +} +#else +static inline uint32_t count_rice_bits_in_partition_( + const uint32_t rice_parameter, + const uint32_t partition_samples, + const FLAC__uint64 abs_residual_partition_sum +) +{ + return (uint32_t)(flac_min( // To make sure the return value doesn't overflow + FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_PARAMETER_LEN + /* actually could end up being FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2_PARAMETER_LEN but err on side of 16bps */ + (1+rice_parameter) * partition_samples + /* 1 for unary stop bit + rice_parameter for the binary portion */ + ( + rice_parameter? + (abs_residual_partition_sum >> (rice_parameter-1)) /* rice_parameter-1 because the real coder sign-folds instead of using a sign bit */ + : (abs_residual_partition_sum << 1) /* can't shift by negative number, so reverse */ + ) + - (partition_samples >> 1),UINT32_MAX)); + /* -(partition_samples>>1) to subtract out extra contributions to the abs_residual_partition_sum. + * The actual number of bits used is closer to the sum(for all i in the partition) of abs(residual[i])>>(rice_parameter-1) + * By using the abs_residual_partition sum, we also add in bits in the LSBs that would normally be shifted out. + * So the subtraction term tries to guess how many extra bits were contributed. + * If the LSBs are randomly distributed, this should average to 0.5 extra bits per sample. + */ + ; +} +#endif + +FLAC__bool set_partitioned_rice_( +#ifdef EXACT_RICE_BITS_CALCULATION + const FLAC__int32 residual[], +#endif + const FLAC__uint64 abs_residual_partition_sums[], + const uint32_t raw_bits_per_partition[], + const uint32_t residual_samples, + const uint32_t predictor_order, + const uint32_t rice_parameter_limit, + const uint32_t rice_parameter_search_dist, + const uint32_t partition_order, + const FLAC__bool search_for_escapes, + FLAC__EntropyCodingMethod_PartitionedRiceContents *partitioned_rice_contents, + uint32_t *bits +) +{ + uint32_t rice_parameter, partition_bits; + uint32_t best_partition_bits, best_rice_parameter = 0; + uint32_t bits_ = FLAC__ENTROPY_CODING_METHOD_TYPE_LEN + FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ORDER_LEN; + uint32_t *parameters, *raw_bits; + uint32_t partition, residual_sample; + uint32_t partition_samples, partition_samples_base; + uint32_t partition_samples_fixed_point_divisor, partition_samples_fixed_point_divisor_base; + const uint32_t partitions = 1u << partition_order; + FLAC__uint64 mean; +#ifdef ENABLE_RICE_PARAMETER_SEARCH + uint32_t min_rice_parameter, max_rice_parameter; +#else + (void)rice_parameter_search_dist; +#endif + + FLAC__ASSERT(rice_parameter_limit <= FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2_ESCAPE_PARAMETER); + + parameters = partitioned_rice_contents->parameters; + raw_bits = partitioned_rice_contents->raw_bits; + + partition_samples_base = (residual_samples+predictor_order) >> partition_order; + + /* Integer division is slow. To speed up things, precalculate a fixed point + * divisor, as all partitions except the first are the same size. 18 bits + * are taken because maximum block size is 65535, max partition size for + * partitions other than 0 is 32767 (15 bit), max abs residual is 2^31, + * which leaves 18 bit */ + partition_samples_fixed_point_divisor_base = 0x40000 / partition_samples_base; + + for(partition = residual_sample = 0; partition < partitions; partition++) { + partition_samples = partition_samples_base; + if(partition > 0) { + partition_samples_fixed_point_divisor = partition_samples_fixed_point_divisor_base; + } + else { + if(partition_samples <= predictor_order) + return false; + else + partition_samples -= predictor_order; + partition_samples_fixed_point_divisor = 0x40000 / partition_samples; + } + mean = abs_residual_partition_sums[partition]; + /* 'mean' is not a good name for the variable, it is + * actually the sum of magnitudes of all residual values + * in the partition, so the actual mean is + * mean/partition_samples + */ + if(mean < 2 || (((mean - 1)*partition_samples_fixed_point_divisor)>>18) == 0) + rice_parameter = 0; + else + rice_parameter = FLAC__bitmath_ilog2_wide(((mean - 1)*partition_samples_fixed_point_divisor)>>18) + 1; + + if(rice_parameter >= rice_parameter_limit) { +#ifndef NDEBUG + fprintf(stderr, "clipping rice_parameter (%u -> %u) @6\n", rice_parameter, rice_parameter_limit - 1); +#endif + rice_parameter = rice_parameter_limit - 1; + } + + best_partition_bits = UINT32_MAX; +#ifdef ENABLE_RICE_PARAMETER_SEARCH + if(rice_parameter_search_dist) { + if(rice_parameter < rice_parameter_search_dist) + min_rice_parameter = 0; + else + min_rice_parameter = rice_parameter - rice_parameter_search_dist; + max_rice_parameter = rice_parameter + rice_parameter_search_dist; + if(max_rice_parameter >= rice_parameter_limit) { +#ifndef NDEBUG + fprintf(stderr, "clipping rice_parameter (%u -> %u) @7\n", max_rice_parameter, rice_parameter_limit - 1); +#endif + max_rice_parameter = rice_parameter_limit - 1; + } + } + else + min_rice_parameter = max_rice_parameter = rice_parameter; + + for(rice_parameter = min_rice_parameter; rice_parameter <= max_rice_parameter; rice_parameter++) { +#endif +#ifdef EXACT_RICE_BITS_CALCULATION + partition_bits = count_rice_bits_in_partition_(rice_parameter, partition_samples, residual+residual_sample); +#else + partition_bits = count_rice_bits_in_partition_(rice_parameter, partition_samples, abs_residual_partition_sums[partition]); +#endif + if(partition_bits < best_partition_bits) { + best_rice_parameter = rice_parameter; + best_partition_bits = partition_bits; + } +#ifdef ENABLE_RICE_PARAMETER_SEARCH + } +#endif + if(search_for_escapes) { + partition_bits = FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2_PARAMETER_LEN + FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_RAW_LEN + raw_bits_per_partition[partition] * partition_samples; + if(partition_bits <= best_partition_bits && raw_bits_per_partition[partition] < 32) { + raw_bits[partition] = raw_bits_per_partition[partition]; + best_rice_parameter = 0; /* will be converted to appropriate escape parameter later */ + best_partition_bits = partition_bits; + } + else + raw_bits[partition] = 0; + } + parameters[partition] = best_rice_parameter; + if(best_partition_bits < UINT32_MAX - bits_) // To make sure _bits doesn't overflow + bits_ += best_partition_bits; + else + bits_ = UINT32_MAX; + residual_sample += partition_samples; + } + + *bits = bits_; + return true; +} + +uint32_t get_wasted_bits_(FLAC__int32 signal[], uint32_t samples) +{ + uint32_t i, shift; + FLAC__int32 x = 0; + + for(i = 0; i < samples && !(x&1); i++) + x |= signal[i]; + + if(x == 0) { + shift = 0; + } + else { + for(shift = 0; !(x&1); shift++) + x >>= 1; + } + + if(shift > 0) { + for(i = 0; i < samples; i++) + signal[i] >>= shift; + } + + return shift; +} + +uint32_t get_wasted_bits_wide_(FLAC__int64 signal_wide[], FLAC__int32 signal[], uint32_t samples) +{ + uint32_t i, shift; + FLAC__int64 x = 0; + + for(i = 0; i < samples && !(x&1); i++) + x |= signal_wide[i]; + + if(x == 0) { + shift = 1; + } + else { + for(shift = 0; !(x&1); shift++) + x >>= 1; + } + + if(shift > 0) { + for(i = 0; i < samples; i++) + signal[i] = (FLAC__int32)(signal_wide[i] >> shift); + } + + return shift; +} + + +void append_to_verify_fifo_(verify_input_fifo *fifo, const FLAC__int32 * const input[], uint32_t input_offset, uint32_t channels, uint32_t wide_samples) +{ + uint32_t channel; + + for(channel = 0; channel < channels; channel++) + memcpy(&fifo->data[channel][fifo->tail], &input[channel][input_offset], sizeof(FLAC__int32) * wide_samples); + + fifo->tail += wide_samples; + + FLAC__ASSERT(fifo->tail <= fifo->size); +} + +void append_to_verify_fifo_interleaved_(verify_input_fifo *fifo, const FLAC__int32 input[], uint32_t input_offset, uint32_t channels, uint32_t wide_samples) +{ + uint32_t channel; + uint32_t sample, wide_sample; + uint32_t tail = fifo->tail; + + sample = input_offset * channels; + for(wide_sample = 0; wide_sample < wide_samples; wide_sample++) { + for(channel = 0; channel < channels; channel++) + fifo->data[channel][tail] = input[sample++]; + tail++; + } + fifo->tail = tail; + + FLAC__ASSERT(fifo->tail <= fifo->size); +} + +FLAC__StreamDecoderReadStatus verify_read_callback_(const FLAC__StreamDecoder *decoder, FLAC__byte buffer[], size_t *bytes, void *client_data) +{ + FLAC__StreamEncoder *encoder = (FLAC__StreamEncoder*)client_data; + const size_t encoded_bytes = encoder->private_->verify.output.bytes; + (void)decoder; + + if(encoder->private_->verify.needs_magic_hack) { + FLAC__ASSERT(*bytes >= FLAC__STREAM_SYNC_LENGTH); + *bytes = FLAC__STREAM_SYNC_LENGTH; + memcpy(buffer, FLAC__STREAM_SYNC_STRING, *bytes); + encoder->private_->verify.needs_magic_hack = false; + } + else { + if(encoded_bytes == 0) { + /* + * If we get here, a FIFO underflow has occurred, + * which means there is a bug somewhere. + */ + FLAC__ASSERT(0); + return FLAC__STREAM_DECODER_READ_STATUS_ABORT; + } + else if(encoded_bytes < *bytes) + *bytes = encoded_bytes; + memcpy(buffer, encoder->private_->verify.output.data, *bytes); + encoder->private_->verify.output.data += *bytes; + encoder->private_->verify.output.bytes -= *bytes; + } + + return FLAC__STREAM_DECODER_READ_STATUS_CONTINUE; +} + +FLAC__StreamDecoderWriteStatus verify_write_callback_(const FLAC__StreamDecoder *decoder, const FLAC__Frame *frame, const FLAC__int32 * const buffer[], void *client_data) +{ + FLAC__StreamEncoder *encoder = (FLAC__StreamEncoder *)client_data; + uint32_t channel; + const uint32_t channels = frame->header.channels; + const uint32_t blocksize = frame->header.blocksize; + const uint32_t bytes_per_block = sizeof(FLAC__int32) * blocksize; + + (void)decoder; + + if(encoder->protected_->state == FLAC__STREAM_ENCODER_VERIFY_DECODER_ERROR) { + /* This is set when verify_error_callback_ was called */ + return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT; + } + + for(channel = 0; channel < channels; channel++) { + if(0 != memcmp(buffer[channel], encoder->private_->verify.input_fifo.data[channel], bytes_per_block)) { + uint32_t i, sample = 0; + FLAC__int32 expect = 0, got = 0; + + for(i = 0; i < blocksize; i++) { + if(buffer[channel][i] != encoder->private_->verify.input_fifo.data[channel][i]) { + sample = i; + expect = (FLAC__int32)encoder->private_->verify.input_fifo.data[channel][i]; + got = (FLAC__int32)buffer[channel][i]; + break; + } + } + FLAC__ASSERT(i < blocksize); + FLAC__ASSERT(frame->header.number_type == FLAC__FRAME_NUMBER_TYPE_SAMPLE_NUMBER); + encoder->private_->verify.error_stats.absolute_sample = frame->header.number.sample_number + sample; + encoder->private_->verify.error_stats.frame_number = (uint32_t)(frame->header.number.sample_number / blocksize); + encoder->private_->verify.error_stats.channel = channel; + encoder->private_->verify.error_stats.sample = sample; + encoder->private_->verify.error_stats.expected = expect; + encoder->private_->verify.error_stats.got = got; + encoder->protected_->state = FLAC__STREAM_ENCODER_VERIFY_MISMATCH_IN_AUDIO_DATA; + return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT; + } + } + /* dequeue the frame from the fifo */ + encoder->private_->verify.input_fifo.tail -= blocksize; + FLAC__ASSERT(encoder->private_->verify.input_fifo.tail <= OVERREAD_); + for(channel = 0; channel < channels; channel++) + memmove(&encoder->private_->verify.input_fifo.data[channel][0], &encoder->private_->verify.input_fifo.data[channel][blocksize], encoder->private_->verify.input_fifo.tail * sizeof(encoder->private_->verify.input_fifo.data[0][0])); + return FLAC__STREAM_DECODER_WRITE_STATUS_CONTINUE; +} + +void verify_metadata_callback_(const FLAC__StreamDecoder *decoder, const FLAC__StreamMetadata *metadata, void *client_data) +{ + (void)decoder, (void)metadata, (void)client_data; +} + +void verify_error_callback_(const FLAC__StreamDecoder *decoder, FLAC__StreamDecoderErrorStatus status, void *client_data) +{ + FLAC__StreamEncoder *encoder = (FLAC__StreamEncoder*)client_data; + (void)decoder, (void)status; + encoder->protected_->state = FLAC__STREAM_ENCODER_VERIFY_DECODER_ERROR; +} + +FLAC__StreamEncoderReadStatus file_read_callback_(const FLAC__StreamEncoder *encoder, FLAC__byte buffer[], size_t *bytes, void *client_data) +{ + (void)client_data; + + *bytes = fread(buffer, 1, *bytes, encoder->private_->file); + if (*bytes == 0) { + if (feof(encoder->private_->file)) + return FLAC__STREAM_ENCODER_READ_STATUS_END_OF_STREAM; + else if (ferror(encoder->private_->file)) + return FLAC__STREAM_ENCODER_READ_STATUS_ABORT; + } + return FLAC__STREAM_ENCODER_READ_STATUS_CONTINUE; +} + +FLAC__StreamEncoderSeekStatus file_seek_callback_(const FLAC__StreamEncoder *encoder, FLAC__uint64 absolute_byte_offset, void *client_data) +{ + (void)client_data; + + if(fseeko(encoder->private_->file, (FLAC__off_t)absolute_byte_offset, SEEK_SET) < 0) + return FLAC__STREAM_ENCODER_SEEK_STATUS_ERROR; + else + return FLAC__STREAM_ENCODER_SEEK_STATUS_OK; +} + +FLAC__StreamEncoderTellStatus file_tell_callback_(const FLAC__StreamEncoder *encoder, FLAC__uint64 *absolute_byte_offset, void *client_data) +{ + FLAC__off_t offset; + + (void)client_data; + + offset = ftello(encoder->private_->file); + + if(offset < 0) { + return FLAC__STREAM_ENCODER_TELL_STATUS_ERROR; + } + else { + *absolute_byte_offset = (FLAC__uint64)offset; + return FLAC__STREAM_ENCODER_TELL_STATUS_OK; + } +} + +#ifdef FLAC__VALGRIND_TESTING +static size_t local__fwrite(const void *ptr, size_t size, size_t nmemb, FILE *stream) +{ + size_t ret = fwrite(ptr, size, nmemb, stream); + if(!ferror(stream)) + fflush(stream); + return ret; +} +#else +#define local__fwrite fwrite +#endif + +FLAC__StreamEncoderWriteStatus file_write_callback_(const FLAC__StreamEncoder *encoder, const FLAC__byte buffer[], size_t bytes, uint32_t samples, uint32_t current_frame, void *client_data) +{ + (void)client_data, (void)current_frame; + + if(local__fwrite(buffer, sizeof(FLAC__byte), bytes, encoder->private_->file) == bytes) { + FLAC__bool call_it = 0 != encoder->private_->progress_callback && ( +#if FLAC__HAS_OGG + /* We would like to be able to use 'samples > 0' in the + * clause here but currently because of the nature of our + * Ogg writing implementation, 'samples' is always 0 (see + * ogg_encoder_aspect.c). The downside is extra progress + * callbacks. + */ + encoder->private_->is_ogg? true : +#endif + samples > 0 + ); + if(call_it) { + /* NOTE: We have to add +bytes, +samples, and +1 to the stats + * because at this point in the callback chain, the stats + * have not been updated. Only after we return and control + * gets back to write_frame_() are the stats updated + */ + encoder->private_->progress_callback(encoder, encoder->private_->bytes_written+bytes, encoder->private_->samples_written+samples, encoder->private_->frames_written+(samples?1:0), encoder->private_->total_frames_estimate, encoder->private_->client_data); + } + return FLAC__STREAM_ENCODER_WRITE_STATUS_OK; + } + else + return FLAC__STREAM_ENCODER_WRITE_STATUS_FATAL_ERROR; +} + +/* + * This will forcibly set stdout to binary mode (for OSes that require it) + */ +FILE *get_binary_stdout_(void) +{ + /* if something breaks here it is probably due to the presence or + * absence of an underscore before the identifiers 'setmode', + * 'fileno', and/or 'O_BINARY'; check your system header files. + */ +#if defined _MSC_VER || defined __MINGW32__ + _setmode(_fileno(stdout), _O_BINARY); +#elif defined __EMX__ + setmode(fileno(stdout), O_BINARY); +#endif + + return stdout; +} diff --git a/src/libFLAC/stream_encoder_framing.c b/src/libFLAC/stream_encoder_framing.c new file mode 100644 index 0000000..0e07a31 --- /dev/null +++ b/src/libFLAC/stream_encoder_framing.c @@ -0,0 +1,594 @@ +/* libFLAC - Free Lossless Audio Codec library + * Copyright (C) 2000-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * - Neither the name of the Xiph.org Foundation nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include <stdio.h> +#include <string.h> /* for strlen() */ +#include "private/stream_encoder_framing.h" +#include "private/crc.h" +#include "FLAC/assert.h" +#include "share/compat.h" + +static FLAC__bool add_entropy_coding_method_(FLAC__BitWriter *bw, const FLAC__EntropyCodingMethod *method); +static FLAC__bool add_residual_partitioned_rice_(FLAC__BitWriter *bw, const FLAC__int32 residual[], const uint32_t residual_samples, const uint32_t predictor_order, const uint32_t rice_parameters[], const uint32_t raw_bits[], const uint32_t partition_order, const FLAC__bool is_extended); + +FLAC__bool FLAC__add_metadata_block(const FLAC__StreamMetadata *metadata, FLAC__BitWriter *bw, FLAC__bool update_vendor_string) +{ + uint32_t i, j, metadata_length; + const uint32_t vendor_string_length = (uint32_t)strlen(FLAC__VENDOR_STRING); + const uint32_t start_bits = FLAC__bitwriter_get_input_bits_unconsumed(bw); + + FLAC__ASSERT(FLAC__bitwriter_is_byte_aligned(bw)); + + if(!FLAC__bitwriter_write_raw_uint32(bw, metadata->is_last, FLAC__STREAM_METADATA_IS_LAST_LEN)) + return false; + + if(!FLAC__bitwriter_write_raw_uint32(bw, metadata->type, FLAC__STREAM_METADATA_TYPE_LEN)) + return false; + + /* + * First, for VORBIS_COMMENTs, adjust the length to reflect our vendor string + */ + metadata_length = metadata->length; + if(metadata->type == FLAC__METADATA_TYPE_VORBIS_COMMENT && update_vendor_string) { + FLAC__ASSERT(metadata->data.vorbis_comment.vendor_string.length == 0 || 0 != metadata->data.vorbis_comment.vendor_string.entry); + metadata_length -= metadata->data.vorbis_comment.vendor_string.length; + metadata_length += vendor_string_length; + } + FLAC__ASSERT(metadata_length < (1u << FLAC__STREAM_METADATA_LENGTH_LEN)); + /* double protection */ + if(metadata_length >= (1u << FLAC__STREAM_METADATA_LENGTH_LEN)) + return false; + if(!FLAC__bitwriter_write_raw_uint32(bw, metadata_length, FLAC__STREAM_METADATA_LENGTH_LEN)) + return false; + + switch(metadata->type) { + case FLAC__METADATA_TYPE_STREAMINFO: + FLAC__ASSERT(metadata->data.stream_info.min_blocksize < (1u << FLAC__STREAM_METADATA_STREAMINFO_MIN_BLOCK_SIZE_LEN)); + if(!FLAC__bitwriter_write_raw_uint32(bw, metadata->data.stream_info.min_blocksize, FLAC__STREAM_METADATA_STREAMINFO_MIN_BLOCK_SIZE_LEN)) + return false; + FLAC__ASSERT(metadata->data.stream_info.max_blocksize < (1u << FLAC__STREAM_METADATA_STREAMINFO_MAX_BLOCK_SIZE_LEN)); + if(!FLAC__bitwriter_write_raw_uint32(bw, metadata->data.stream_info.max_blocksize, FLAC__STREAM_METADATA_STREAMINFO_MAX_BLOCK_SIZE_LEN)) + return false; + FLAC__ASSERT(metadata->data.stream_info.min_framesize < (1u << FLAC__STREAM_METADATA_STREAMINFO_MIN_FRAME_SIZE_LEN)); + if(!FLAC__bitwriter_write_raw_uint32(bw, metadata->data.stream_info.min_framesize, FLAC__STREAM_METADATA_STREAMINFO_MIN_FRAME_SIZE_LEN)) + return false; + FLAC__ASSERT(metadata->data.stream_info.max_framesize < (1u << FLAC__STREAM_METADATA_STREAMINFO_MAX_FRAME_SIZE_LEN)); + if(!FLAC__bitwriter_write_raw_uint32(bw, metadata->data.stream_info.max_framesize, FLAC__STREAM_METADATA_STREAMINFO_MAX_FRAME_SIZE_LEN)) + return false; + FLAC__ASSERT(FLAC__format_sample_rate_is_valid(metadata->data.stream_info.sample_rate)); + if(!FLAC__bitwriter_write_raw_uint32(bw, metadata->data.stream_info.sample_rate, FLAC__STREAM_METADATA_STREAMINFO_SAMPLE_RATE_LEN)) + return false; + FLAC__ASSERT(metadata->data.stream_info.channels > 0); + FLAC__ASSERT(metadata->data.stream_info.channels <= (1u << FLAC__STREAM_METADATA_STREAMINFO_CHANNELS_LEN)); + if(!FLAC__bitwriter_write_raw_uint32(bw, metadata->data.stream_info.channels-1, FLAC__STREAM_METADATA_STREAMINFO_CHANNELS_LEN)) + return false; + FLAC__ASSERT(metadata->data.stream_info.bits_per_sample > 0); + FLAC__ASSERT(metadata->data.stream_info.bits_per_sample <= (1u << FLAC__STREAM_METADATA_STREAMINFO_BITS_PER_SAMPLE_LEN)); + if(!FLAC__bitwriter_write_raw_uint32(bw, metadata->data.stream_info.bits_per_sample-1, FLAC__STREAM_METADATA_STREAMINFO_BITS_PER_SAMPLE_LEN)) + return false; + if(metadata->data.stream_info.total_samples >= (FLAC__U64L(1) << FLAC__STREAM_METADATA_STREAMINFO_TOTAL_SAMPLES_LEN)){ + if(!FLAC__bitwriter_write_raw_uint64(bw, 0, FLAC__STREAM_METADATA_STREAMINFO_TOTAL_SAMPLES_LEN)) + return false; + }else{ + if(!FLAC__bitwriter_write_raw_uint64(bw, metadata->data.stream_info.total_samples, FLAC__STREAM_METADATA_STREAMINFO_TOTAL_SAMPLES_LEN)) + return false; + } + if(!FLAC__bitwriter_write_byte_block(bw, metadata->data.stream_info.md5sum, 16)) + return false; + break; + case FLAC__METADATA_TYPE_PADDING: + if(!FLAC__bitwriter_write_zeroes(bw, metadata->length * 8)) + return false; + break; + case FLAC__METADATA_TYPE_APPLICATION: + if(!FLAC__bitwriter_write_byte_block(bw, metadata->data.application.id, FLAC__STREAM_METADATA_APPLICATION_ID_LEN / 8)) + return false; + if(!FLAC__bitwriter_write_byte_block(bw, metadata->data.application.data, metadata->length - (FLAC__STREAM_METADATA_APPLICATION_ID_LEN / 8))) + return false; + break; + case FLAC__METADATA_TYPE_SEEKTABLE: + for(i = 0; i < metadata->data.seek_table.num_points; i++) { + if(!FLAC__bitwriter_write_raw_uint64(bw, metadata->data.seek_table.points[i].sample_number, FLAC__STREAM_METADATA_SEEKPOINT_SAMPLE_NUMBER_LEN)) + return false; + if(!FLAC__bitwriter_write_raw_uint64(bw, metadata->data.seek_table.points[i].stream_offset, FLAC__STREAM_METADATA_SEEKPOINT_STREAM_OFFSET_LEN)) + return false; + if(!FLAC__bitwriter_write_raw_uint32(bw, metadata->data.seek_table.points[i].frame_samples, FLAC__STREAM_METADATA_SEEKPOINT_FRAME_SAMPLES_LEN)) + return false; + } + break; + case FLAC__METADATA_TYPE_VORBIS_COMMENT: + if(update_vendor_string) { + if(!FLAC__bitwriter_write_raw_uint32_little_endian(bw, vendor_string_length)) + return false; + if(!FLAC__bitwriter_write_byte_block(bw, (const FLAC__byte*)FLAC__VENDOR_STRING, vendor_string_length)) + return false; + } + else { + if(!FLAC__bitwriter_write_raw_uint32_little_endian(bw, metadata->data.vorbis_comment.vendor_string.length)) + return false; + if(!FLAC__bitwriter_write_byte_block(bw, metadata->data.vorbis_comment.vendor_string.entry, metadata->data.vorbis_comment.vendor_string.length)) + return false; + } + if(!FLAC__bitwriter_write_raw_uint32_little_endian(bw, metadata->data.vorbis_comment.num_comments)) + return false; + for(i = 0; i < metadata->data.vorbis_comment.num_comments; i++) { + if(!FLAC__bitwriter_write_raw_uint32_little_endian(bw, metadata->data.vorbis_comment.comments[i].length)) + return false; + if(!FLAC__bitwriter_write_byte_block(bw, metadata->data.vorbis_comment.comments[i].entry, metadata->data.vorbis_comment.comments[i].length)) + return false; + } + break; + case FLAC__METADATA_TYPE_CUESHEET: + FLAC__ASSERT(FLAC__STREAM_METADATA_CUESHEET_MEDIA_CATALOG_NUMBER_LEN % 8 == 0); + if(!FLAC__bitwriter_write_byte_block(bw, (const FLAC__byte*)metadata->data.cue_sheet.media_catalog_number, FLAC__STREAM_METADATA_CUESHEET_MEDIA_CATALOG_NUMBER_LEN/8)) + return false; + if(!FLAC__bitwriter_write_raw_uint64(bw, metadata->data.cue_sheet.lead_in, FLAC__STREAM_METADATA_CUESHEET_LEAD_IN_LEN)) + return false; + if(!FLAC__bitwriter_write_raw_uint32(bw, metadata->data.cue_sheet.is_cd? 1 : 0, FLAC__STREAM_METADATA_CUESHEET_IS_CD_LEN)) + return false; + if(!FLAC__bitwriter_write_zeroes(bw, FLAC__STREAM_METADATA_CUESHEET_RESERVED_LEN)) + return false; + if(!FLAC__bitwriter_write_raw_uint32(bw, metadata->data.cue_sheet.num_tracks, FLAC__STREAM_METADATA_CUESHEET_NUM_TRACKS_LEN)) + return false; + for(i = 0; i < metadata->data.cue_sheet.num_tracks; i++) { + const FLAC__StreamMetadata_CueSheet_Track *track = metadata->data.cue_sheet.tracks + i; + + if(!FLAC__bitwriter_write_raw_uint64(bw, track->offset, FLAC__STREAM_METADATA_CUESHEET_TRACK_OFFSET_LEN)) + return false; + if(!FLAC__bitwriter_write_raw_uint32(bw, track->number, FLAC__STREAM_METADATA_CUESHEET_TRACK_NUMBER_LEN)) + return false; + FLAC__ASSERT(FLAC__STREAM_METADATA_CUESHEET_TRACK_ISRC_LEN % 8 == 0); + if(!FLAC__bitwriter_write_byte_block(bw, (const FLAC__byte*)track->isrc, FLAC__STREAM_METADATA_CUESHEET_TRACK_ISRC_LEN/8)) + return false; + if(!FLAC__bitwriter_write_raw_uint32(bw, track->type, FLAC__STREAM_METADATA_CUESHEET_TRACK_TYPE_LEN)) + return false; + if(!FLAC__bitwriter_write_raw_uint32(bw, track->pre_emphasis, FLAC__STREAM_METADATA_CUESHEET_TRACK_PRE_EMPHASIS_LEN)) + return false; + if(!FLAC__bitwriter_write_zeroes(bw, FLAC__STREAM_METADATA_CUESHEET_TRACK_RESERVED_LEN)) + return false; + if(!FLAC__bitwriter_write_raw_uint32(bw, track->num_indices, FLAC__STREAM_METADATA_CUESHEET_TRACK_NUM_INDICES_LEN)) + return false; + for(j = 0; j < track->num_indices; j++) { + const FLAC__StreamMetadata_CueSheet_Index *indx = track->indices + j; + + if(!FLAC__bitwriter_write_raw_uint64(bw, indx->offset, FLAC__STREAM_METADATA_CUESHEET_INDEX_OFFSET_LEN)) + return false; + if(!FLAC__bitwriter_write_raw_uint32(bw, indx->number, FLAC__STREAM_METADATA_CUESHEET_INDEX_NUMBER_LEN)) + return false; + if(!FLAC__bitwriter_write_zeroes(bw, FLAC__STREAM_METADATA_CUESHEET_INDEX_RESERVED_LEN)) + return false; + } + } + break; + case FLAC__METADATA_TYPE_PICTURE: + { + size_t len; + if(!FLAC__bitwriter_write_raw_uint32(bw, metadata->data.picture.type, FLAC__STREAM_METADATA_PICTURE_TYPE_LEN)) + return false; + len = strlen(metadata->data.picture.mime_type); + if(!FLAC__bitwriter_write_raw_uint32(bw, len, FLAC__STREAM_METADATA_PICTURE_MIME_TYPE_LENGTH_LEN)) + return false; + if(!FLAC__bitwriter_write_byte_block(bw, (const FLAC__byte*)metadata->data.picture.mime_type, len)) + return false; + len = strlen((const char *)metadata->data.picture.description); + if(!FLAC__bitwriter_write_raw_uint32(bw, len, FLAC__STREAM_METADATA_PICTURE_DESCRIPTION_LENGTH_LEN)) + return false; + if(!FLAC__bitwriter_write_byte_block(bw, metadata->data.picture.description, len)) + return false; + if(!FLAC__bitwriter_write_raw_uint32(bw, metadata->data.picture.width, FLAC__STREAM_METADATA_PICTURE_WIDTH_LEN)) + return false; + if(!FLAC__bitwriter_write_raw_uint32(bw, metadata->data.picture.height, FLAC__STREAM_METADATA_PICTURE_HEIGHT_LEN)) + return false; + if(!FLAC__bitwriter_write_raw_uint32(bw, metadata->data.picture.depth, FLAC__STREAM_METADATA_PICTURE_DEPTH_LEN)) + return false; + if(!FLAC__bitwriter_write_raw_uint32(bw, metadata->data.picture.colors, FLAC__STREAM_METADATA_PICTURE_COLORS_LEN)) + return false; + if(!FLAC__bitwriter_write_raw_uint32(bw, metadata->data.picture.data_length, FLAC__STREAM_METADATA_PICTURE_DATA_LENGTH_LEN)) + return false; + if(!FLAC__bitwriter_write_byte_block(bw, metadata->data.picture.data, metadata->data.picture.data_length)) + return false; + } + break; + default: + if(!FLAC__bitwriter_write_byte_block(bw, metadata->data.unknown.data, metadata->length)) + return false; + break; + } + + /* Now check whether metadata block length was correct */ + { + uint32_t length_in_bits = FLAC__bitwriter_get_input_bits_unconsumed(bw); + if(length_in_bits < start_bits) + return false; + length_in_bits -= start_bits; + if(length_in_bits % 8 != 0 || length_in_bits != (metadata_length*8+32)) + return false; + } + + FLAC__ASSERT(FLAC__bitwriter_is_byte_aligned(bw)); + return true; +} + +FLAC__bool FLAC__frame_add_header(const FLAC__FrameHeader *header, FLAC__BitWriter *bw) +{ + uint32_t u, blocksize_hint, sample_rate_hint; + FLAC__byte crc; + + FLAC__ASSERT(FLAC__bitwriter_is_byte_aligned(bw)); + + if(!FLAC__bitwriter_write_raw_uint32(bw, FLAC__FRAME_HEADER_SYNC, FLAC__FRAME_HEADER_SYNC_LEN)) + return false; + + if(!FLAC__bitwriter_write_raw_uint32(bw, 0, FLAC__FRAME_HEADER_RESERVED_LEN)) + return false; + + if(!FLAC__bitwriter_write_raw_uint32(bw, (header->number_type == FLAC__FRAME_NUMBER_TYPE_FRAME_NUMBER)? 0 : 1, FLAC__FRAME_HEADER_BLOCKING_STRATEGY_LEN)) + return false; + + FLAC__ASSERT(header->blocksize > 0 && header->blocksize <= FLAC__MAX_BLOCK_SIZE); + /* when this assertion holds true, any legal blocksize can be expressed in the frame header */ + FLAC__ASSERT(FLAC__MAX_BLOCK_SIZE <= 65535u); + blocksize_hint = 0; + switch(header->blocksize) { + case 192: u = 1; break; + case 576: u = 2; break; + case 1152: u = 3; break; + case 2304: u = 4; break; + case 4608: u = 5; break; + case 256: u = 8; break; + case 512: u = 9; break; + case 1024: u = 10; break; + case 2048: u = 11; break; + case 4096: u = 12; break; + case 8192: u = 13; break; + case 16384: u = 14; break; + case 32768: u = 15; break; + default: + if(header->blocksize <= 0x100) + blocksize_hint = u = 6; + else + blocksize_hint = u = 7; + break; + } + if(!FLAC__bitwriter_write_raw_uint32(bw, u, FLAC__FRAME_HEADER_BLOCK_SIZE_LEN)) + return false; + + FLAC__ASSERT(FLAC__format_sample_rate_is_valid(header->sample_rate)); + sample_rate_hint = 0; + switch(header->sample_rate) { + case 88200: u = 1; break; + case 176400: u = 2; break; + case 192000: u = 3; break; + case 8000: u = 4; break; + case 16000: u = 5; break; + case 22050: u = 6; break; + case 24000: u = 7; break; + case 32000: u = 8; break; + case 44100: u = 9; break; + case 48000: u = 10; break; + case 96000: u = 11; break; + default: + if(header->sample_rate <= 255000 && header->sample_rate % 1000 == 0) + sample_rate_hint = u = 12; + else if(header->sample_rate <= 655350 && header->sample_rate % 10 == 0) + sample_rate_hint = u = 14; + else if(header->sample_rate <= 0xffff) + sample_rate_hint = u = 13; + else + u = 0; + break; + } + if(!FLAC__bitwriter_write_raw_uint32(bw, u, FLAC__FRAME_HEADER_SAMPLE_RATE_LEN)) + return false; + + FLAC__ASSERT(header->channels > 0 && header->channels <= (1u << FLAC__STREAM_METADATA_STREAMINFO_CHANNELS_LEN) && header->channels <= FLAC__MAX_CHANNELS); + switch(header->channel_assignment) { + case FLAC__CHANNEL_ASSIGNMENT_INDEPENDENT: + u = header->channels - 1; + break; + case FLAC__CHANNEL_ASSIGNMENT_LEFT_SIDE: + FLAC__ASSERT(header->channels == 2); + u = 8; + break; + case FLAC__CHANNEL_ASSIGNMENT_RIGHT_SIDE: + FLAC__ASSERT(header->channels == 2); + u = 9; + break; + case FLAC__CHANNEL_ASSIGNMENT_MID_SIDE: + FLAC__ASSERT(header->channels == 2); + u = 10; + break; + default: + FLAC__ASSERT(0); + } + if(!FLAC__bitwriter_write_raw_uint32(bw, u, FLAC__FRAME_HEADER_CHANNEL_ASSIGNMENT_LEN)) + return false; + + FLAC__ASSERT(header->bits_per_sample > 0 && header->bits_per_sample <= (1u << FLAC__STREAM_METADATA_STREAMINFO_BITS_PER_SAMPLE_LEN)); + switch(header->bits_per_sample) { + case 8 : u = 1; break; + case 12: u = 2; break; + case 16: u = 4; break; + case 20: u = 5; break; + case 24: u = 6; break; + case 32: u = 7; break; + default: u = 0; break; + } + if(!FLAC__bitwriter_write_raw_uint32(bw, u, FLAC__FRAME_HEADER_BITS_PER_SAMPLE_LEN)) + return false; + + if(!FLAC__bitwriter_write_raw_uint32(bw, 0, FLAC__FRAME_HEADER_ZERO_PAD_LEN)) + return false; + + if(header->number_type == FLAC__FRAME_NUMBER_TYPE_FRAME_NUMBER) { + if(!FLAC__bitwriter_write_utf8_uint32(bw, header->number.frame_number)) + return false; + } + else { + if(!FLAC__bitwriter_write_utf8_uint64(bw, header->number.sample_number)) + return false; + } + + if(blocksize_hint) + if(!FLAC__bitwriter_write_raw_uint32(bw, header->blocksize-1, (blocksize_hint==6)? 8:16)) + return false; + + switch(sample_rate_hint) { + case 12: + if(!FLAC__bitwriter_write_raw_uint32(bw, header->sample_rate / 1000, 8)) + return false; + break; + case 13: + if(!FLAC__bitwriter_write_raw_uint32(bw, header->sample_rate, 16)) + return false; + break; + case 14: + if(!FLAC__bitwriter_write_raw_uint32(bw, header->sample_rate / 10, 16)) + return false; + break; + } + + /* write the CRC */ + if(!FLAC__bitwriter_get_write_crc8(bw, &crc)) + return false; + if(!FLAC__bitwriter_write_raw_uint32(bw, crc, FLAC__FRAME_HEADER_CRC_LEN)) + return false; + + return true; +} + +FLAC__bool FLAC__subframe_add_constant(const FLAC__Subframe_Constant *subframe, uint32_t subframe_bps, uint32_t wasted_bits, FLAC__BitWriter *bw) +{ + FLAC__bool ok; + + ok = + FLAC__bitwriter_write_raw_uint32(bw, FLAC__SUBFRAME_TYPE_CONSTANT_BYTE_ALIGNED_MASK | (wasted_bits? 1:0), FLAC__SUBFRAME_ZERO_PAD_LEN + FLAC__SUBFRAME_TYPE_LEN + FLAC__SUBFRAME_WASTED_BITS_FLAG_LEN) && + (wasted_bits? FLAC__bitwriter_write_unary_unsigned(bw, wasted_bits-1) : true) && + FLAC__bitwriter_write_raw_int64(bw, subframe->value, subframe_bps) + ; + + return ok; +} + +FLAC__bool FLAC__subframe_add_fixed(const FLAC__Subframe_Fixed *subframe, uint32_t residual_samples, uint32_t subframe_bps, uint32_t wasted_bits, FLAC__BitWriter *bw) +{ + uint32_t i; + + if(!FLAC__bitwriter_write_raw_uint32(bw, FLAC__SUBFRAME_TYPE_FIXED_BYTE_ALIGNED_MASK | (subframe->order<<1) | (wasted_bits? 1:0), FLAC__SUBFRAME_ZERO_PAD_LEN + FLAC__SUBFRAME_TYPE_LEN + FLAC__SUBFRAME_WASTED_BITS_FLAG_LEN)) + return false; + if(wasted_bits) + if(!FLAC__bitwriter_write_unary_unsigned(bw, wasted_bits-1)) + return false; + + for(i = 0; i < subframe->order; i++) + if(!FLAC__bitwriter_write_raw_int64(bw, subframe->warmup[i], subframe_bps)) + return false; + + if(!add_entropy_coding_method_(bw, &subframe->entropy_coding_method)) + return false; + switch(subframe->entropy_coding_method.type) { + case FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE: + case FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2: + if(!add_residual_partitioned_rice_( + bw, + subframe->residual, + residual_samples, + subframe->order, + subframe->entropy_coding_method.data.partitioned_rice.contents->parameters, + subframe->entropy_coding_method.data.partitioned_rice.contents->raw_bits, + subframe->entropy_coding_method.data.partitioned_rice.order, + /*is_extended=*/subframe->entropy_coding_method.type == FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2 + )) + return false; + break; + default: + FLAC__ASSERT(0); + } + + return true; +} + +FLAC__bool FLAC__subframe_add_lpc(const FLAC__Subframe_LPC *subframe, uint32_t residual_samples, uint32_t subframe_bps, uint32_t wasted_bits, FLAC__BitWriter *bw) +{ + uint32_t i; + + if(!FLAC__bitwriter_write_raw_uint32(bw, FLAC__SUBFRAME_TYPE_LPC_BYTE_ALIGNED_MASK | ((subframe->order-1)<<1) | (wasted_bits? 1:0), FLAC__SUBFRAME_ZERO_PAD_LEN + FLAC__SUBFRAME_TYPE_LEN + FLAC__SUBFRAME_WASTED_BITS_FLAG_LEN)) + return false; + if(wasted_bits) + if(!FLAC__bitwriter_write_unary_unsigned(bw, wasted_bits-1)) + return false; + + for(i = 0; i < subframe->order; i++) + if(!FLAC__bitwriter_write_raw_int64(bw, subframe->warmup[i], subframe_bps)) + return false; + + if(!FLAC__bitwriter_write_raw_uint32(bw, subframe->qlp_coeff_precision-1, FLAC__SUBFRAME_LPC_QLP_COEFF_PRECISION_LEN)) + return false; + if(!FLAC__bitwriter_write_raw_int32(bw, subframe->quantization_level, FLAC__SUBFRAME_LPC_QLP_SHIFT_LEN)) + return false; + for(i = 0; i < subframe->order; i++) + if(!FLAC__bitwriter_write_raw_int32(bw, subframe->qlp_coeff[i], subframe->qlp_coeff_precision)) + return false; + + if(!add_entropy_coding_method_(bw, &subframe->entropy_coding_method)) + return false; + switch(subframe->entropy_coding_method.type) { + case FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE: + case FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2: + if(!add_residual_partitioned_rice_( + bw, + subframe->residual, + residual_samples, + subframe->order, + subframe->entropy_coding_method.data.partitioned_rice.contents->parameters, + subframe->entropy_coding_method.data.partitioned_rice.contents->raw_bits, + subframe->entropy_coding_method.data.partitioned_rice.order, + /*is_extended=*/subframe->entropy_coding_method.type == FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2 + )) + return false; + break; + default: + FLAC__ASSERT(0); + } + + return true; +} + +FLAC__bool FLAC__subframe_add_verbatim(const FLAC__Subframe_Verbatim *subframe, uint32_t samples, uint32_t subframe_bps, uint32_t wasted_bits, FLAC__BitWriter *bw) +{ + uint32_t i; + + if(!FLAC__bitwriter_write_raw_uint32(bw, FLAC__SUBFRAME_TYPE_VERBATIM_BYTE_ALIGNED_MASK | (wasted_bits? 1:0), FLAC__SUBFRAME_ZERO_PAD_LEN + FLAC__SUBFRAME_TYPE_LEN + FLAC__SUBFRAME_WASTED_BITS_FLAG_LEN)) + return false; + if(wasted_bits) + if(!FLAC__bitwriter_write_unary_unsigned(bw, wasted_bits-1)) + return false; + + if(subframe->data_type == FLAC__VERBATIM_SUBFRAME_DATA_TYPE_INT32) { + const FLAC__int32 *signal = subframe->data.int32; + + FLAC__ASSERT(subframe_bps < 33); + + for(i = 0; i < samples; i++) + if(!FLAC__bitwriter_write_raw_int32(bw, signal[i], subframe_bps)) + return false; + } + else { + const FLAC__int64 *signal = subframe->data.int64; + + FLAC__ASSERT(subframe_bps == 33); + + for(i = 0; i < samples; i++) + if(!FLAC__bitwriter_write_raw_int64(bw, (FLAC__int64)signal[i], subframe_bps)) + return false; + } + + return true; +} + +FLAC__bool add_entropy_coding_method_(FLAC__BitWriter *bw, const FLAC__EntropyCodingMethod *method) +{ + if(!FLAC__bitwriter_write_raw_uint32(bw, method->type, FLAC__ENTROPY_CODING_METHOD_TYPE_LEN)) + return false; + switch(method->type) { + case FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE: + case FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2: + if(!FLAC__bitwriter_write_raw_uint32(bw, method->data.partitioned_rice.order, FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ORDER_LEN)) + return false; + break; + default: + FLAC__ASSERT(0); + } + return true; +} + +FLAC__bool add_residual_partitioned_rice_(FLAC__BitWriter *bw, const FLAC__int32 residual[], const uint32_t residual_samples, const uint32_t predictor_order, const uint32_t rice_parameters[], const uint32_t raw_bits[], const uint32_t partition_order, const FLAC__bool is_extended) +{ + const uint32_t plen = is_extended? FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2_PARAMETER_LEN : FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_PARAMETER_LEN; + const uint32_t pesc = is_extended? FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2_ESCAPE_PARAMETER : FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ESCAPE_PARAMETER; + + if(partition_order == 0) { + uint32_t i; + + if(raw_bits[0] == 0) { + if(!FLAC__bitwriter_write_raw_uint32(bw, rice_parameters[0], plen)) + return false; + if(!FLAC__bitwriter_write_rice_signed_block(bw, residual, residual_samples, rice_parameters[0])) + return false; + } + else { + FLAC__ASSERT(rice_parameters[0] == 0); + if(!FLAC__bitwriter_write_raw_uint32(bw, pesc, plen)) + return false; + if(!FLAC__bitwriter_write_raw_uint32(bw, raw_bits[0], FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_RAW_LEN)) + return false; + for(i = 0; i < residual_samples; i++) { + if(!FLAC__bitwriter_write_raw_int32(bw, residual[i], raw_bits[0])) + return false; + } + } + return true; + } + else { + uint32_t i, j, k = 0, k_last = 0; + uint32_t partition_samples; + const uint32_t default_partition_samples = (residual_samples+predictor_order) >> partition_order; + for(i = 0; i < (1u<<partition_order); i++) { + partition_samples = default_partition_samples; + if(i == 0) + partition_samples -= predictor_order; + k += partition_samples; + if(raw_bits[i] == 0) { + if(!FLAC__bitwriter_write_raw_uint32(bw, rice_parameters[i], plen)) + return false; + if(!FLAC__bitwriter_write_rice_signed_block(bw, residual+k_last, k-k_last, rice_parameters[i])) + return false; + } + else { + if(!FLAC__bitwriter_write_raw_uint32(bw, pesc, plen)) + return false; + if(!FLAC__bitwriter_write_raw_uint32(bw, raw_bits[i], FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_RAW_LEN)) + return false; + for(j = k_last; j < k; j++) { + if(!FLAC__bitwriter_write_raw_int32(bw, residual[j], raw_bits[i])) + return false; + } + } + k_last = k; + } + return true; + } +} diff --git a/src/libFLAC/stream_encoder_intrin_avx2.c b/src/libFLAC/stream_encoder_intrin_avx2.c new file mode 100644 index 0000000..b37efb3 --- /dev/null +++ b/src/libFLAC/stream_encoder_intrin_avx2.c @@ -0,0 +1,146 @@ +/* libFLAC - Free Lossless Audio Codec library + * Copyright (C) 2000-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * - Neither the name of the Xiph.org Foundation nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include "private/cpu.h" + +#ifndef FLAC__NO_ASM +#if (defined FLAC__CPU_IA32 || defined FLAC__CPU_X86_64) && FLAC__HAS_X86INTRIN +#include "private/stream_encoder.h" +#include "private/bitmath.h" +#ifdef FLAC__AVX2_SUPPORTED + +#include <stdlib.h> /* for abs() */ +#include <immintrin.h> /* AVX2 */ +#include "FLAC/assert.h" + +FLAC__SSE_TARGET("avx2") +void FLAC__precompute_partition_info_sums_intrin_avx2(const FLAC__int32 residual[], FLAC__uint64 abs_residual_partition_sums[], + uint32_t residual_samples, uint32_t predictor_order, uint32_t min_partition_order, uint32_t max_partition_order, uint32_t bps) +{ + const uint32_t default_partition_samples = (residual_samples + predictor_order) >> max_partition_order; + uint32_t partitions = 1u << max_partition_order; + + FLAC__ASSERT(default_partition_samples > predictor_order); + + /* first do max_partition_order */ + { + const uint32_t threshold = 32 - FLAC__bitmath_ilog2(default_partition_samples); + uint32_t partition, residual_sample, end = (uint32_t)(-(int32_t)predictor_order); + + if(bps + FLAC__MAX_EXTRA_RESIDUAL_BPS < threshold) { + for(partition = residual_sample = 0; partition < partitions; partition++) { + __m256i sum256 = _mm256_setzero_si256(); + __m128i sum128; + end += default_partition_samples; + + for( ; (int)residual_sample < (int)end-7; residual_sample+=8) { + __m256i res256 = _mm256_abs_epi32(_mm256_loadu_si256((const __m256i*)(const void*)(residual+residual_sample))); + sum256 = _mm256_add_epi32(sum256, res256); + } + + sum128 = _mm_add_epi32(_mm256_extracti128_si256(sum256, 1), _mm256_castsi256_si128(sum256)); + + for( ; (int)residual_sample < (int)end-3; residual_sample+=4) { + __m128i res128 = _mm_abs_epi32(_mm_loadu_si128((const __m128i*)(const void*)(residual+residual_sample))); + sum128 = _mm_add_epi32(sum128, res128); + } + + for( ; residual_sample < end; residual_sample++) { + __m128i res128 = _mm_abs_epi32(_mm_cvtsi32_si128(residual[residual_sample])); + sum128 = _mm_add_epi32(sum128, res128); + } + + sum128 = _mm_add_epi32(sum128, _mm_shuffle_epi32(sum128, _MM_SHUFFLE(1,0,3,2))); + sum128 = _mm_add_epi32(sum128, _mm_shufflelo_epi16(sum128, _MM_SHUFFLE(1,0,3,2))); + abs_residual_partition_sums[partition] = (FLAC__uint32)_mm_cvtsi128_si32(sum128); +/* workaround for MSVC bugs (at least versions 2015 and 2017 are affected) */ +#if (defined _MSC_VER) && (defined FLAC__CPU_X86_64) + abs_residual_partition_sums[partition] &= 0xFFFFFFFF; /**/ +#endif + } + } + else { /* have to pessimistically use 64 bits for accumulator */ + for(partition = residual_sample = 0; partition < partitions; partition++) { + __m256i sum256 = _mm256_setzero_si256(); + __m128i sum128; + end += default_partition_samples; + + for( ; (int)residual_sample < (int)end-3; residual_sample+=4) { + __m128i res128 = _mm_abs_epi32(_mm_loadu_si128((const __m128i*)(const void*)(residual+residual_sample))); + __m256i res256 = _mm256_cvtepu32_epi64(res128); + sum256 = _mm256_add_epi64(sum256, res256); + } + + sum128 = _mm_add_epi64(_mm256_extracti128_si256(sum256, 1), _mm256_castsi256_si128(sum256)); + + for( ; (int)residual_sample < (int)end-1; residual_sample+=2) { + __m128i res128 = _mm_abs_epi32(_mm_loadl_epi64((const __m128i*)(const void*)(residual+residual_sample))); + res128 = _mm_cvtepu32_epi64(res128); + sum128 = _mm_add_epi64(sum128, res128); + } + + for( ; residual_sample < end; residual_sample++) { + __m128i res128 = _mm_abs_epi32(_mm_cvtsi32_si128(residual[residual_sample])); + sum128 = _mm_add_epi64(sum128, res128); + } + + sum128 = _mm_add_epi64(sum128, _mm_srli_si128(sum128, 8)); + _mm_storel_epi64((__m128i*)(void*)(abs_residual_partition_sums+partition), sum128); + } + } + } + + /* now merge partitions for lower orders */ + { + uint32_t from_partition = 0, to_partition = partitions; + int partition_order; + for(partition_order = (int)max_partition_order - 1; partition_order >= (int)min_partition_order; partition_order--) { + uint32_t i; + partitions >>= 1; + for(i = 0; i < partitions; i++) { + abs_residual_partition_sums[to_partition++] = + abs_residual_partition_sums[from_partition ] + + abs_residual_partition_sums[from_partition+1]; + from_partition += 2; + } + } + } + _mm256_zeroupper(); +} + +#endif /* FLAC__AVX2_SUPPORTED */ +#endif /* (FLAC__CPU_IA32 || FLAC__CPU_X86_64) && FLAC__HAS_X86INTRIN */ +#endif /* FLAC__NO_ASM */ diff --git a/src/libFLAC/stream_encoder_intrin_sse2.c b/src/libFLAC/stream_encoder_intrin_sse2.c new file mode 100644 index 0000000..dd25fa6 --- /dev/null +++ b/src/libFLAC/stream_encoder_intrin_sse2.c @@ -0,0 +1,159 @@ +/* libFLAC - Free Lossless Audio Codec library + * Copyright (C) 2000-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * - Neither the name of the Xiph.org Foundation nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include "private/cpu.h" + +#ifndef FLAC__NO_ASM +#if (defined FLAC__CPU_IA32 || defined FLAC__CPU_X86_64) && FLAC__HAS_X86INTRIN +#include "private/stream_encoder.h" +#include "private/bitmath.h" +#ifdef FLAC__SSE2_SUPPORTED + +#include <stdlib.h> /* for abs() */ +#include <emmintrin.h> /* SSE2 */ +#include "FLAC/assert.h" +#include "share/compat.h" + +FLAC__SSE_TARGET("sse2") +static inline __m128i local_abs_epi32(__m128i val) +{ + __m128i mask = _mm_srai_epi32(val, 31); + val = _mm_xor_si128(val, mask); + val = _mm_sub_epi32(val, mask); + return val; +} + + +FLAC__SSE_TARGET("sse2") +void FLAC__precompute_partition_info_sums_intrin_sse2(const FLAC__int32 residual[], FLAC__uint64 abs_residual_partition_sums[], + uint32_t residual_samples, uint32_t predictor_order, uint32_t min_partition_order, uint32_t max_partition_order, uint32_t bps) +{ + const uint32_t default_partition_samples = (residual_samples + predictor_order) >> max_partition_order; + uint32_t partitions = 1u << max_partition_order; + + FLAC__ASSERT(default_partition_samples > predictor_order); + + /* first do max_partition_order */ + { + const uint32_t threshold = 32 - FLAC__bitmath_ilog2(default_partition_samples); + uint32_t partition, residual_sample, end = (uint32_t)(-(int32_t)predictor_order); + + if(bps + FLAC__MAX_EXTRA_RESIDUAL_BPS < threshold) { + for(partition = residual_sample = 0; partition < partitions; partition++) { + __m128i mm_sum = _mm_setzero_si128(); + uint32_t e1, e3; + end += default_partition_samples; + + e1 = (residual_sample + 3) & ~3; e3 = end & ~3; + if(e1 > end) + e1 = end; /* try flac -l 1 -b 16 and you'll be here */ + + /* assumption: residual[] is properly aligned so (residual + e1) is properly aligned too and _mm_loadu_si128() is fast */ + for( ; residual_sample < e1; residual_sample++) { + __m128i mm_res = local_abs_epi32(_mm_cvtsi32_si128(residual[residual_sample])); + mm_sum = _mm_add_epi32(mm_sum, mm_res); + } + + for( ; residual_sample < e3; residual_sample+=4) { + __m128i mm_res = local_abs_epi32(_mm_loadu_si128((const __m128i*)(const void*)(residual+residual_sample))); + mm_sum = _mm_add_epi32(mm_sum, mm_res); + } + + for( ; residual_sample < end; residual_sample++) { + __m128i mm_res = local_abs_epi32(_mm_cvtsi32_si128(residual[residual_sample])); + mm_sum = _mm_add_epi32(mm_sum, mm_res); + } + + mm_sum = _mm_add_epi32(mm_sum, _mm_shuffle_epi32(mm_sum, _MM_SHUFFLE(1,0,3,2))); + mm_sum = _mm_add_epi32(mm_sum, _mm_shufflelo_epi16(mm_sum, _MM_SHUFFLE(1,0,3,2))); + abs_residual_partition_sums[partition] = (FLAC__uint32)_mm_cvtsi128_si32(mm_sum); +/* workaround for MSVC bugs (at least versions 2015 and 2017 are affected) */ +#if (defined _MSC_VER) && (defined FLAC__CPU_X86_64) + abs_residual_partition_sums[partition] &= 0xFFFFFFFF; +#endif + } + } + else { /* have to pessimistically use 64 bits for accumulator */ + for(partition = residual_sample = 0; partition < partitions; partition++) { + __m128i mm_sum = _mm_setzero_si128(); + uint32_t e1, e3; + end += default_partition_samples; + + e1 = (residual_sample + 1) & ~1; e3 = end & ~1; + FLAC__ASSERT(e1 <= end); + + for( ; residual_sample < e1; residual_sample++) { + __m128i mm_res = local_abs_epi32(_mm_cvtsi32_si128(residual[residual_sample])); /* 0 0 0 |r0| == 00 |r0_64| */ + mm_sum = _mm_add_epi64(mm_sum, mm_res); + } + + for( ; residual_sample < e3; residual_sample+=2) { + __m128i mm_res = local_abs_epi32(_mm_loadl_epi64((const __m128i*)(const void*)(residual+residual_sample))); /* 0 0 |r1| |r0| */ + mm_res = _mm_shuffle_epi32(mm_res, _MM_SHUFFLE(3,1,2,0)); /* 0 |r1| 0 |r0| == |r1_64| |r0_64| */ + mm_sum = _mm_add_epi64(mm_sum, mm_res); + } + + for( ; residual_sample < end; residual_sample++) { + __m128i mm_res = local_abs_epi32(_mm_cvtsi32_si128(residual[residual_sample])); + mm_sum = _mm_add_epi64(mm_sum, mm_res); + } + + mm_sum = _mm_add_epi64(mm_sum, _mm_srli_si128(mm_sum, 8)); + _mm_storel_epi64((__m128i*)(void*)(abs_residual_partition_sums+partition), mm_sum); + } + } + } + + /* now merge partitions for lower orders */ + { + uint32_t from_partition = 0, to_partition = partitions; + int partition_order; + for(partition_order = (int)max_partition_order - 1; partition_order >= (int)min_partition_order; partition_order--) { + uint32_t i; + partitions >>= 1; + for(i = 0; i < partitions; i++) { + abs_residual_partition_sums[to_partition++] = + abs_residual_partition_sums[from_partition ] + + abs_residual_partition_sums[from_partition+1]; + from_partition += 2; + } + } + } +} + +#endif /* FLAC__SSE2_SUPPORTED */ +#endif /* (FLAC__CPU_IA32 || FLAC__CPU_X86_64) && FLAC__HAS_X86INTRIN */ +#endif /* FLAC__NO_ASM */ diff --git a/src/libFLAC/stream_encoder_intrin_ssse3.c b/src/libFLAC/stream_encoder_intrin_ssse3.c new file mode 100644 index 0000000..241f723 --- /dev/null +++ b/src/libFLAC/stream_encoder_intrin_ssse3.c @@ -0,0 +1,148 @@ +/* libFLAC - Free Lossless Audio Codec library + * Copyright (C) 2000-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * - Neither the name of the Xiph.org Foundation nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include "private/cpu.h" + +#ifndef FLAC__NO_ASM +#if (defined FLAC__CPU_IA32 || defined FLAC__CPU_X86_64) && FLAC__HAS_X86INTRIN +#include "private/stream_encoder.h" +#include "private/bitmath.h" +#ifdef FLAC__SSSE3_SUPPORTED + +#include <stdlib.h> /* for abs() */ +#include <tmmintrin.h> /* SSSE3 */ +#include "FLAC/assert.h" + +FLAC__SSE_TARGET("ssse3") +void FLAC__precompute_partition_info_sums_intrin_ssse3(const FLAC__int32 residual[], FLAC__uint64 abs_residual_partition_sums[], + uint32_t residual_samples, uint32_t predictor_order, uint32_t min_partition_order, uint32_t max_partition_order, uint32_t bps) +{ + const uint32_t default_partition_samples = (residual_samples + predictor_order) >> max_partition_order; + uint32_t partitions = 1u << max_partition_order; + + FLAC__ASSERT(default_partition_samples > predictor_order); + + /* first do max_partition_order */ + { + const uint32_t threshold = 32 - FLAC__bitmath_ilog2(default_partition_samples); + uint32_t partition, residual_sample, end = (uint32_t)(-(int32_t)predictor_order); + + if(bps + FLAC__MAX_EXTRA_RESIDUAL_BPS < threshold) { + for(partition = residual_sample = 0; partition < partitions; partition++) { + __m128i mm_sum = _mm_setzero_si128(); + uint32_t e1, e3; + end += default_partition_samples; + + e1 = (residual_sample + 3) & ~3; e3 = end & ~3; + if(e1 > end) + e1 = end; /* try flac -l 1 -b 16 and you'll be here */ + + /* assumption: residual[] is properly aligned so (residual + e1) is properly aligned too and _mm_loadu_si128() is fast */ + for( ; residual_sample < e1; residual_sample++) { + __m128i mm_res = _mm_abs_epi32(_mm_cvtsi32_si128(residual[residual_sample])); + mm_sum = _mm_add_epi32(mm_sum, mm_res); + } + + for( ; residual_sample < e3; residual_sample+=4) { + __m128i mm_res = _mm_abs_epi32(_mm_loadu_si128((const __m128i*)(const void*)(residual+residual_sample))); + mm_sum = _mm_add_epi32(mm_sum, mm_res); + } + + for( ; residual_sample < end; residual_sample++) { + __m128i mm_res = _mm_abs_epi32(_mm_cvtsi32_si128(residual[residual_sample])); + mm_sum = _mm_add_epi32(mm_sum, mm_res); + } + + mm_sum = _mm_add_epi32(mm_sum, _mm_shuffle_epi32(mm_sum, _MM_SHUFFLE(1,0,3,2))); + mm_sum = _mm_add_epi32(mm_sum, _mm_shufflelo_epi16(mm_sum, _MM_SHUFFLE(1,0,3,2))); + abs_residual_partition_sums[partition] = (FLAC__uint32)_mm_cvtsi128_si32(mm_sum); +/* workaround for MSVC bugs (at least versions 2015 and 2017 are affected) */ +#if (defined _MSC_VER) && (defined FLAC__CPU_X86_64) + abs_residual_partition_sums[partition] &= 0xFFFFFFFF; +#endif + } + } + else { /* have to pessimistically use 64 bits for accumulator */ + for(partition = residual_sample = 0; partition < partitions; partition++) { + __m128i mm_sum = _mm_setzero_si128(); + uint32_t e1, e3; + end += default_partition_samples; + + e1 = (residual_sample + 1) & ~1; e3 = end & ~1; + FLAC__ASSERT(e1 <= end); + + for( ; residual_sample < e1; residual_sample++) { + __m128i mm_res = _mm_abs_epi32(_mm_cvtsi32_si128(residual[residual_sample])); /* 0 0 0 |r0| == 00 |r0_64| */ + mm_sum = _mm_add_epi64(mm_sum, mm_res); + } + + for( ; residual_sample < e3; residual_sample+=2) { + __m128i mm_res = _mm_abs_epi32(_mm_loadl_epi64((const __m128i*)(const void*)(residual+residual_sample))); /* 0 0 |r1| |r0| */ + mm_res = _mm_shuffle_epi32(mm_res, _MM_SHUFFLE(3,1,2,0)); /* 0 |r1| 0 |r0| == |r1_64| |r0_64| */ + mm_sum = _mm_add_epi64(mm_sum, mm_res); + } + + for( ; residual_sample < end; residual_sample++) { + __m128i mm_res = _mm_abs_epi32(_mm_cvtsi32_si128(residual[residual_sample])); + mm_sum = _mm_add_epi64(mm_sum, mm_res); + } + + mm_sum = _mm_add_epi64(mm_sum, _mm_srli_si128(mm_sum, 8)); + _mm_storel_epi64((__m128i*)(void*)(abs_residual_partition_sums+partition), mm_sum); + } + } + } + + /* now merge partitions for lower orders */ + { + uint32_t from_partition = 0, to_partition = partitions; + int partition_order; + for(partition_order = (int)max_partition_order - 1; partition_order >= (int)min_partition_order; partition_order--) { + uint32_t i; + partitions >>= 1; + for(i = 0; i < partitions; i++) { + abs_residual_partition_sums[to_partition++] = + abs_residual_partition_sums[from_partition ] + + abs_residual_partition_sums[from_partition+1]; + from_partition += 2; + } + } + } +} + +#endif /* FLAC__SSSE3_SUPPORTED */ +#endif /* (FLAC__CPU_IA32 || FLAC__CPU_X86_64) && FLAC__HAS_X86INTRIN */ +#endif /* FLAC__NO_ASM */ diff --git a/src/libFLAC/version.rc b/src/libFLAC/version.rc new file mode 100644 index 0000000..019da1d --- /dev/null +++ b/src/libFLAC/version.rc @@ -0,0 +1,40 @@ +#include <winver.h> +#include "config.h" +#include "FLAC/export.h" + +#if (defined GIT_COMMIT_HASH && defined GIT_COMMIT_DATE) +# ifdef GIT_COMMIT_TAG +# define VERSIONSTRING GIT_COMMIT_TAG +# else +# define VERSIONSTRING "git-" GIT_COMMIT_HASH +# endif +#else +# define VERSIONSTRING PACKAGE_VERSION +#endif + +#define xstr(s) str(s) +#define str(s) #s + +VS_VERSION_INFO VERSIONINFO +FILEVERSION FLAC_API_VERSION_CURRENT,FLAC_API_VERSION_REVISION,0,0 +FILEFLAGSMASK VS_FFI_FILEFLAGSMASK +FILEFLAGS 0 +FILEOS VOS__WINDOWS32 +FILETYPE VFT_DLL +BEGIN + BLOCK "StringFileInfo" + BEGIN + BLOCK "040904b0" + BEGIN + VALUE "FileDescription", "libFLAC for Windows" + VALUE "ProductName", "Free Lossless Audio Codec" + VALUE "ProductVersion", VERSIONSTRING + VALUE "CompanyName", "Xiph.Org" + VALUE "LegalCopyright", "2000-2009 Josh Coalson, 2011-2023 Xiph.Org Foundation" + END + END + BLOCK "VarFileInfo" + BEGIN + VALUE "Translation", 0x409, 1200 + END +END diff --git a/src/libFLAC/window.c b/src/libFLAC/window.c new file mode 100644 index 0000000..69d5464 --- /dev/null +++ b/src/libFLAC/window.c @@ -0,0 +1,308 @@ +/* libFLAC - Free Lossless Audio Codec library + * Copyright (C) 2006-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * - Neither the name of the Xiph.org Foundation nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include <math.h> +#include "share/compat.h" +#include "FLAC/assert.h" +#include "FLAC/format.h" +#include "private/window.h" + +#ifndef FLAC__INTEGER_ONLY_LIBRARY + +#if defined(_MSC_VER) +// silence 25 MSVC warnings 'conversion from 'double' to 'float', possible loss of data' +#pragma warning ( disable : 4244 ) +#endif + +void FLAC__window_bartlett(FLAC__real *window, const FLAC__int32 L) +{ + const FLAC__int32 N = L - 1; + FLAC__int32 n; + + if (L & 1) { + for (n = 0; n <= N/2; n++) + window[n] = 2.0f * n / (float)N; + for (; n <= N; n++) + window[n] = 2.0f - 2.0f * n / (float)N; + } + else { + for (n = 0; n <= L/2-1; n++) + window[n] = 2.0f * n / (float)N; + for (; n <= N; n++) + window[n] = 2.0f - 2.0f * n / (float)N; + } +} + +void FLAC__window_bartlett_hann(FLAC__real *window, const FLAC__int32 L) +{ + const FLAC__int32 N = L - 1; + FLAC__int32 n; + + for (n = 0; n < L; n++) + window[n] = (FLAC__real)(0.62f - 0.48f * fabsf((float)n/(float)N-0.5f) - 0.38f * cosf(2.0f * M_PI * ((float)n/(float)N))); +} + +void FLAC__window_blackman(FLAC__real *window, const FLAC__int32 L) +{ + const FLAC__int32 N = L - 1; + FLAC__int32 n; + + for (n = 0; n < L; n++) + window[n] = (FLAC__real)(0.42f - 0.5f * cosf(2.0f * M_PI * n / N) + 0.08f * cosf(4.0f * M_PI * n / N)); +} + +/* 4-term -92dB side-lobe */ +void FLAC__window_blackman_harris_4term_92db_sidelobe(FLAC__real *window, const FLAC__int32 L) +{ + const FLAC__int32 N = L - 1; + FLAC__int32 n; + + for (n = 0; n <= N; n++) + window[n] = (FLAC__real)(0.35875f - 0.48829f * cosf(2.0f * M_PI * n / N) + 0.14128f * cosf(4.0f * M_PI * n / N) - 0.01168f * cosf(6.0f * M_PI * n / N)); +} + +void FLAC__window_connes(FLAC__real *window, const FLAC__int32 L) +{ + const FLAC__int32 N = L - 1; + const double N2 = (double)N / 2.; + FLAC__int32 n; + + for (n = 0; n <= N; n++) { + double k = ((double)n - N2) / N2; + k = 1.0f - k * k; + window[n] = (FLAC__real)(k * k); + } +} + +void FLAC__window_flattop(FLAC__real *window, const FLAC__int32 L) +{ + const FLAC__int32 N = L - 1; + FLAC__int32 n; + + for (n = 0; n < L; n++) + window[n] = (FLAC__real)(0.21557895f - 0.41663158f * cosf(2.0f * M_PI * n / N) + 0.277263158f * cosf(4.0f * M_PI * n / N) - 0.083578947f * cosf(6.0f * M_PI * n / N) + 0.006947368f * cosf(8.0f * M_PI * n / N)); +} + +void FLAC__window_gauss(FLAC__real *window, const FLAC__int32 L, const FLAC__real stddev) +{ + const FLAC__int32 N = L - 1; + const double N2 = (double)N / 2.; + FLAC__int32 n; + + if(!(stddev > 0.0f && stddev <= 0.5f)) + /* stddev is not between 0 and 0.5, might be NaN. + * Default to 0.5 */ + FLAC__window_gauss(window, L, 0.25f); + else { + for (n = 0; n <= N; n++) { + const double k = ((double)n - N2) / (stddev * N2); + window[n] = (FLAC__real)exp(-0.5f * k * k); + } + } +} + +void FLAC__window_hamming(FLAC__real *window, const FLAC__int32 L) +{ + const FLAC__int32 N = L - 1; + FLAC__int32 n; + + for (n = 0; n < L; n++) + window[n] = (FLAC__real)(0.54f - 0.46f * cosf(2.0f * M_PI * n / N)); +} + +void FLAC__window_hann(FLAC__real *window, const FLAC__int32 L) +{ + const FLAC__int32 N = L - 1; + FLAC__int32 n; + + for (n = 0; n < L; n++) + window[n] = (FLAC__real)(0.5f - 0.5f * cosf(2.0f * M_PI * n / N)); +} + +void FLAC__window_kaiser_bessel(FLAC__real *window, const FLAC__int32 L) +{ + const FLAC__int32 N = L - 1; + FLAC__int32 n; + + for (n = 0; n < L; n++) + window[n] = (FLAC__real)(0.402f - 0.498f * cosf(2.0f * M_PI * n / N) + 0.098f * cosf(4.0f * M_PI * n / N) - 0.001f * cosf(6.0f * M_PI * n / N)); +} + +void FLAC__window_nuttall(FLAC__real *window, const FLAC__int32 L) +{ + const FLAC__int32 N = L - 1; + FLAC__int32 n; + + for (n = 0; n < L; n++) + window[n] = (FLAC__real)(0.3635819f - 0.4891775f*cosf(2.0f*M_PI*n/N) + 0.1365995f*cosf(4.0f*M_PI*n/N) - 0.0106411f*cosf(6.0f*M_PI*n/N)); +} + +void FLAC__window_rectangle(FLAC__real *window, const FLAC__int32 L) +{ + FLAC__int32 n; + + for (n = 0; n < L; n++) + window[n] = 1.0f; +} + +void FLAC__window_triangle(FLAC__real *window, const FLAC__int32 L) +{ + FLAC__int32 n; + + if (L & 1) { + for (n = 1; n <= (L+1)/2; n++) + window[n-1] = 2.0f * n / ((float)L + 1.0f); + for (; n <= L; n++) + window[n-1] = (float)(2 * (L - n + 1)) / ((float)L + 1.0f); + } + else { + for (n = 1; n <= L/2; n++) + window[n-1] = 2.0f * n / ((float)L + 1.0f); + for (; n <= L; n++) + window[n-1] = (float)(2 * (L - n + 1)) / ((float)L + 1.0f); + } +} + +void FLAC__window_tukey(FLAC__real *window, const FLAC__int32 L, const FLAC__real p) +{ + if (p <= 0.0) + FLAC__window_rectangle(window, L); + else if (p >= 1.0) + FLAC__window_hann(window, L); + else if (!(p > 0.0f && p < 1.0f)) + /* p is not between 0 and 1, probably NaN. + * Default to 0.5 */ + FLAC__window_tukey(window, L, 0.5f); + else { + const FLAC__int32 Np = (FLAC__int32)(p / 2.0f * L) - 1; + FLAC__int32 n; + /* start with rectangle... */ + FLAC__window_rectangle(window, L); + /* ...replace ends with hann */ + if (Np > 0) { + for (n = 0; n <= Np; n++) { + window[n] = (FLAC__real)(0.5f - 0.5f * cosf(M_PI * n / Np)); + window[L-Np-1+n] = (FLAC__real)(0.5f - 0.5f * cosf(M_PI * (n+Np) / Np)); + } + } + } +} + +void FLAC__window_partial_tukey(FLAC__real *window, const FLAC__int32 L, const FLAC__real p, const FLAC__real start, const FLAC__real end) +{ + const FLAC__int32 start_n = (FLAC__int32)(start * L); + const FLAC__int32 end_n = (FLAC__int32)(end * L); + const FLAC__int32 N = end_n - start_n; + FLAC__int32 Np, n, i; + + if (p <= 0.0f) + FLAC__window_partial_tukey(window, L, 0.05f, start, end); + else if (p >= 1.0f) + FLAC__window_partial_tukey(window, L, 0.95f, start, end); + else if (!(p > 0.0f && p < 1.0f)) + /* p is not between 0 and 1, probably NaN. + * Default to 0.5 */ + FLAC__window_partial_tukey(window, L, 0.5f, start, end); + else { + + Np = (FLAC__int32)(p / 2.0f * N); + + for (n = 0; n < start_n && n < L; n++) + window[n] = 0.0f; + for (i = 1; n < (start_n+Np) && n < L; n++, i++) + window[n] = (FLAC__real)(0.5f - 0.5f * cosf(M_PI * i / Np)); + for (; n < (end_n-Np) && n < L; n++) + window[n] = 1.0f; + for (i = Np; n < end_n && n < L; n++, i--) + window[n] = (FLAC__real)(0.5f - 0.5f * cosf(M_PI * i / Np)); + for (; n < L; n++) + window[n] = 0.0f; + } +} + +void FLAC__window_punchout_tukey(FLAC__real *window, const FLAC__int32 L, const FLAC__real p, const FLAC__real start, const FLAC__real end) +{ + const FLAC__int32 start_n = (FLAC__int32)(start * L); + const FLAC__int32 end_n = (FLAC__int32)(end * L); + FLAC__int32 Ns, Ne, n, i; + + if (p <= 0.0f) + FLAC__window_punchout_tukey(window, L, 0.05f, start, end); + else if (p >= 1.0f) + FLAC__window_punchout_tukey(window, L, 0.95f, start, end); + else if (!(p > 0.0f && p < 1.0f)) + /* p is not between 0 and 1, probably NaN. + * Default to 0.5 */ + FLAC__window_punchout_tukey(window, L, 0.5f, start, end); + else { + + Ns = (FLAC__int32)(p / 2.0f * start_n); + Ne = (FLAC__int32)(p / 2.0f * (L - end_n)); + + for (n = 0, i = 1; n < Ns && n < L; n++, i++) + window[n] = (FLAC__real)(0.5f - 0.5f * cosf(M_PI * i / Ns)); + for (; n < start_n-Ns && n < L; n++) + window[n] = 1.0f; + for (i = Ns; n < start_n && n < L; n++, i--) + window[n] = (FLAC__real)(0.5f - 0.5f * cosf(M_PI * i / Ns)); + for (; n < end_n && n < L; n++) + window[n] = 0.0f; + for (i = 1; n < end_n+Ne && n < L; n++, i++) + window[n] = (FLAC__real)(0.5f - 0.5f * cosf(M_PI * i / Ne)); + for (; n < L - (Ne) && n < L; n++) + window[n] = 1.0f; + for (i = Ne; n < L; n++, i--) + window[n] = (FLAC__real)(0.5f - 0.5f * cosf(M_PI * i / Ne)); + } +} + +void FLAC__window_welch(FLAC__real *window, const FLAC__int32 L) +{ + const FLAC__int32 N = L - 1; + const double N2 = (double)N / 2.; + FLAC__int32 n; + + for (n = 0; n <= N; n++) { + const double k = ((double)n - N2) / N2; + window[n] = (FLAC__real)(1.0f - k * k); + } +} + +#if defined(_MSC_VER) +#pragma warning ( default : 4244 ) +#endif + +#endif /* !defined FLAC__INTEGER_ONLY_LIBRARY */ diff --git a/src/metaflac/CMakeLists.txt b/src/metaflac/CMakeLists.txt new file mode 100644 index 0000000..b8af705 --- /dev/null +++ b/src/metaflac/CMakeLists.txt @@ -0,0 +1,18 @@ +add_executable(metaflac + main.c + operations.c + operations_shorthand_cuesheet.c + operations_shorthand_picture.c + operations_shorthand_seektable.c + operations_shorthand_streaminfo.c + operations_shorthand_vorbiscomment.c + options.c + usage.c + utils.c + version.rc + $<$<BOOL:${WIN32}>:../../include/share/win_utf8_io.h> + $<$<BOOL:${WIN32}>:../share/win_utf8_io/win_utf8_io.c>) +target_link_libraries(metaflac FLAC getopt utf8) + +install(TARGETS metaflac EXPORT targets + RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}") diff --git a/src/metaflac/Makefile.am b/src/metaflac/Makefile.am new file mode 100644 index 0000000..8c212ff --- /dev/null +++ b/src/metaflac/Makefile.am @@ -0,0 +1,65 @@ +# metaflac - Command-line FLAC metadata editor +# Copyright (C) 2000-2009 Josh Coalson +# Copyright (C) 2011-2023 Xiph.Org Foundation +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License +# as published by the Free Software Foundation; either version 2 +# of the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License along +# with this program; if not, write to the Free Software Foundation, Inc., +# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + +if OS_IS_WINDOWS +win_utf8_lib = $(top_builddir)/src/share/win_utf8_io/libwin_utf8_io.la +if HAVE_WINDRES +metaflac_DEPENDENCIES = version.o +windows_resource_link = -Wl,version.o +endif +endif + +bin_PROGRAMS = metaflac + +AM_CFLAGS = @OGG_CFLAGS@ +AM_CPPFLAGS = -I$(top_builddir) -I$(srcdir)/include -I$(top_srcdir)/include +EXTRA_DIST = \ + CMakeLists.txt \ + version.rc + +metaflac_SOURCES = \ + main.c \ + operations.c \ + operations_shorthand_cuesheet.c \ + operations_shorthand_picture.c \ + operations_shorthand_seektable.c \ + operations_shorthand_streaminfo.c \ + operations_shorthand_vorbiscomment.c \ + options.c \ + usage.c \ + utils.c \ + operations.h \ + operations_shorthand.h \ + options.h \ + usage.h \ + utils.h +metaflac_LDFLAGS = $(AM_LDFLAGS) $(windows_resource_link) + +metaflac_LDADD = \ + $(top_builddir)/src/share/grabbag/libgrabbag.la \ + $(top_builddir)/src/share/replaygain_analysis/libreplaygain_analysis.la \ + $(top_builddir)/src/share/getopt/libgetopt.la \ + $(top_builddir)/src/share/utf8/libutf8.la \ + $(top_builddir)/src/libFLAC/libFLAC.la \ + $(win_utf8_lib) \ + @LTLIBICONV@ + +CLEANFILES = metaflac.exe + +.rc.o: + $(RC) $(AM_CPPFLAGS) $< $@ diff --git a/src/metaflac/Makefile.in b/src/metaflac/Makefile.in new file mode 100644 index 0000000..dae2fae --- /dev/null +++ b/src/metaflac/Makefile.in @@ -0,0 +1,789 @@ +# Makefile.in generated by automake 1.16.5 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2021 Free Software Foundation, Inc. + +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. + +@SET_MAKE@ + +# metaflac - Command-line FLAC metadata editor +# Copyright (C) 2000-2009 Josh Coalson +# Copyright (C) 2011-2023 Xiph.Org Foundation +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License +# as published by the Free Software Foundation; either version 2 +# of the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License along +# with this program; if not, write to the Free Software Foundation, Inc., +# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + +VPATH = @srcdir@ +am__is_gnu_make = { \ + if test -z '$(MAKELEVEL)'; then \ + false; \ + elif test -n '$(MAKE_HOST)'; then \ + true; \ + elif test -n '$(MAKE_VERSION)' && test -n '$(CURDIR)'; then \ + true; \ + else \ + false; \ + fi; \ +} +am__make_running_with_option = \ + case $${target_option-} in \ + ?) ;; \ + *) echo "am__make_running_with_option: internal error: invalid" \ + "target option '$${target_option-}' specified" >&2; \ + exit 1;; \ + esac; \ + has_opt=no; \ + sane_makeflags=$$MAKEFLAGS; \ + if $(am__is_gnu_make); then \ + sane_makeflags=$$MFLAGS; \ + else \ + case $$MAKEFLAGS in \ + *\\[\ \ ]*) \ + bs=\\; \ + sane_makeflags=`printf '%s\n' "$$MAKEFLAGS" \ + | sed "s/$$bs$$bs[$$bs $$bs ]*//g"`;; \ + esac; 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program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include "operations.h" +#include "options.h" +#include <locale.h> +#include <stdlib.h> +#include <string.h> +#include "share/compat.h" + +#ifndef FUZZ_TOOL_METAFLAC +int main(int argc, char *argv[]) +#else +static int main_to_fuzz(int argc, char *argv[]) +#endif +{ + CommandLineOptions options; + int ret = 0; + +#ifdef __EMX__ + _response(&argc, &argv); + _wildcard(&argc, &argv); +#endif +#ifdef _WIN32 + if (get_utf8_argv(&argc, &argv) != 0) { + fputs("ERROR: failed to convert command line parameters to UTF-8\n", stderr); + return 1; + } +#endif + +#ifdef _WIN32 + { + const char *var; + var = getenv("LC_ALL"); + if (!var) + var = getenv("LC_NUMERIC"); + if (!var) + var = getenv("LANG"); + if (!var || strcmp(var, "C") != 0) + setlocale(LC_ALL, ""); + } +#else + setlocale(LC_ALL, ""); +#endif + init_options(&options); + + if ((ret = parse_options(argc, argv, &options)) == 0) + ret = !do_operations(&options); + else + ret = 1; + + free_options(&options); + + return ret; +} diff --git a/src/metaflac/operations.c b/src/metaflac/operations.c new file mode 100644 index 0000000..d81d87a --- /dev/null +++ b/src/metaflac/operations.c @@ -0,0 +1,823 @@ +/* metaflac - Command-line FLAC metadata editor + * Copyright (C) 2001-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include "operations.h" +#include "usage.h" +#include "utils.h" +#include "FLAC/assert.h" +#include "FLAC/metadata.h" +#include "share/alloc.h" +#include "share/grabbag.h" +#include "share/compat.h" +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include "operations_shorthand.h" + +static void show_version(void); +static FLAC__bool do_major_operation(const CommandLineOptions *options); +static FLAC__bool do_major_operation_on_file(const char *filename, const CommandLineOptions *options); +static FLAC__bool do_major_operation__list(const char *filename, FLAC__Metadata_Chain *chain, const CommandLineOptions *options); +static FLAC__bool do_major_operation__append(FLAC__Metadata_Chain *chain, const CommandLineOptions *options); +static FLAC__bool do_major_operation__remove(FLAC__Metadata_Chain *chain, const CommandLineOptions *options); +static FLAC__bool do_major_operation__remove_all(FLAC__Metadata_Chain *chain, const CommandLineOptions *options); +static FLAC__bool do_shorthand_operations(const CommandLineOptions *options); +static FLAC__bool do_shorthand_operations_on_file(const char *filename, const CommandLineOptions *options); +static FLAC__bool do_shorthand_operation(const char *filename, FLAC__bool prefix_with_filename, FLAC__Metadata_Chain *chain, const Operation *operation, FLAC__bool *needs_write, FLAC__bool utf8_convert); +static FLAC__bool do_shorthand_operation__add_replay_gain(char **filenames, unsigned num_files, FLAC__bool preserve_modtime, FLAC__bool scan); +static FLAC__bool do_shorthand_operation__add_padding(const char *filename, FLAC__Metadata_Chain *chain, unsigned length, FLAC__bool *needs_write); + +static FLAC__bool passes_filter(const CommandLineOptions *options, const FLAC__StreamMetadata *block, unsigned block_number); +static void write_metadata(const char *filename, FLAC__StreamMetadata *block, unsigned block_number, FLAC__bool raw, FLAC__bool hexdump_application); +static void write_metadata_binary(FLAC__StreamMetadata *block, FLAC__byte *block_raw, FLAC__bool headerless); + +/* from operations_shorthand_seektable.c */ +extern FLAC__bool do_shorthand_operation__add_seekpoints(const char *filename, FLAC__Metadata_Chain *chain, const char *specification, FLAC__bool *needs_write); + +/* from operations_shorthand_streaminfo.c */ +extern FLAC__bool do_shorthand_operation__streaminfo(const char *filename, FLAC__bool prefix_with_filename, FLAC__Metadata_Chain *chain, const Operation *operation, FLAC__bool *needs_write); + +/* from operations_shorthand_vorbiscomment.c */ +extern FLAC__bool do_shorthand_operation__vorbis_comment(const char *filename, FLAC__bool prefix_with_filename, FLAC__Metadata_Chain *chain, const Operation *operation, FLAC__bool *needs_write, FLAC__bool raw); + +/* from operations_shorthand_cuesheet.c */ +extern FLAC__bool do_shorthand_operation__cuesheet(const char *filename, FLAC__Metadata_Chain *chain, const Operation *operation, FLAC__bool *needs_write); + +/* from operations_shorthand_picture.c */ +extern FLAC__bool do_shorthand_operation__picture(const char *filename, FLAC__Metadata_Chain *chain, const Operation *operation, FLAC__bool *needs_write); + + +FLAC__bool do_operations(const CommandLineOptions *options) +{ + FLAC__bool ok = true; + + if(options->show_long_help) { + long_usage(0); + } + if(options->show_version) { + show_version(); + } + else if(options->args.checks.num_major_ops > 0) { + FLAC__ASSERT(options->args.checks.num_shorthand_ops == 0); + FLAC__ASSERT(options->args.checks.num_major_ops == 1); + FLAC__ASSERT(options->args.checks.num_major_ops == options->ops.num_operations); + ok = do_major_operation(options); + } + else if(options->args.checks.num_shorthand_ops > 0) { + FLAC__ASSERT(options->args.checks.num_shorthand_ops == options->ops.num_operations); + ok = do_shorthand_operations(options); + } + + return ok; +} + +/* + * local routines + */ + +void show_version(void) +{ + printf("metaflac %s\n", FLAC__VERSION_STRING); +} + +FLAC__bool do_major_operation(const CommandLineOptions *options) +{ + unsigned i; + FLAC__bool ok = true; + + /* to die after first error, v--- add '&& ok' here */ + for(i = 0; i < options->num_files; i++) + ok &= do_major_operation_on_file(options->filenames[i], options); + + return ok; +} + +FLAC__bool do_major_operation_on_file(const char *filename, const CommandLineOptions *options) +{ + FLAC__bool ok = true, needs_write = false, is_ogg = false; + FLAC__Metadata_Chain *chain = FLAC__metadata_chain_new(); + + if(0 == chain) + die("out of memory allocating chain"); + + /*@@@@ lame way of guessing the file type */ + if(strlen(filename) >= 4 && (0 == strcmp(filename+strlen(filename)-4, ".oga") || 0 == strcmp(filename+strlen(filename)-4, ".ogg"))) + is_ogg = true; + + if(! (is_ogg? FLAC__metadata_chain_read_ogg(chain, filename) : FLAC__metadata_chain_read(chain, filename)) ) { + print_error_with_chain_status(chain, "%s: ERROR: reading metadata", filename); + FLAC__metadata_chain_delete(chain); + return false; + } + + switch(options->ops.operations[0].type) { + case OP__LIST: + ok = do_major_operation__list(options->prefix_with_filename? filename : 0, chain, options); + break; + case OP__APPEND: + ok = do_major_operation__append(chain, options); + needs_write = true; + break; + case OP__REMOVE: + ok = do_major_operation__remove(chain, options); + needs_write = true; + break; + case OP__REMOVE_ALL: + ok = do_major_operation__remove_all(chain, options); + needs_write = true; + break; + case OP__MERGE_PADDING: + FLAC__metadata_chain_merge_padding(chain); + needs_write = true; + break; + case OP__SORT_PADDING: + FLAC__metadata_chain_sort_padding(chain); + needs_write = true; + break; + default: + FLAC__ASSERT(0); + return false; + } + + if(ok && needs_write) { + if(options->use_padding) + FLAC__metadata_chain_sort_padding(chain); + ok = FLAC__metadata_chain_write(chain, options->use_padding, options->preserve_modtime); + if(!ok) + print_error_with_chain_status(chain, "%s: ERROR: writing FLAC file", filename); + } + + FLAC__metadata_chain_delete(chain); + + return ok; +} + +FLAC__bool do_major_operation__list(const char *filename, FLAC__Metadata_Chain *chain, const CommandLineOptions *options) +{ + FLAC__Metadata_Iterator *iterator = FLAC__metadata_iterator_new(); + FLAC__StreamMetadata *block; + FLAC__bool ok = true; + unsigned block_number; + + if(0 == iterator) + die("out of memory allocating iterator"); + + FLAC__metadata_iterator_init(iterator, chain); + + block_number = 0; + do { + block = FLAC__metadata_iterator_get_block(iterator); + ok &= (0 != block); + if(!ok) + flac_fprintf(stderr, "%s: ERROR: couldn't get block from chain\n", filename); + else if(passes_filter(options, FLAC__metadata_iterator_get_block(iterator), block_number)) { + if(!options->data_format_is_binary && !options->data_format_is_binary_headerless) + write_metadata(filename, block, block_number, !options->utf8_convert, options->application_data_format_is_hexdump); + else { + FLAC__byte * block_raw = FLAC__metadata_object_get_raw(block); + if(block_raw == 0) { + flac_fprintf(stderr, "%s: ERROR: couldn't get block in raw form\n", filename); + FLAC__metadata_iterator_delete(iterator); + return false; + } + write_metadata_binary(block, block_raw, options->data_format_is_binary_headerless); + free(block_raw); + } + } + block_number++; + } while(ok && FLAC__metadata_iterator_next(iterator)); + + FLAC__metadata_iterator_delete(iterator); + + return ok; +} + +FLAC__bool do_major_operation__append(FLAC__Metadata_Chain *chain, const CommandLineOptions *options) +{ + FLAC__byte header[FLAC__STREAM_METADATA_HEADER_LENGTH]; + FLAC__byte *buffer; + FLAC__uint32 buffer_size, num_objects = 0, i, append_after = UINT32_MAX; + FLAC__StreamMetadata *object; + FLAC__Metadata_Iterator *iterator = 0; + FLAC__bool has_vorbiscomment = false; + + /* First, find out after which block appending should take place */ + for(i = 0; i < options->args.num_arguments; i++) { + if(options->args.arguments[i].type == ARG__BLOCK_NUMBER) { + if(append_after != UINT32_MAX || options->args.arguments[i].value.block_number.num_entries > 1) { + flac_fprintf(stderr, "ERROR: more than one block number specified with --append\n"); + return false; + } + append_after = options->args.arguments[i].value.block_number.entries[0]; + } + } + + iterator = FLAC__metadata_iterator_new(); + + if(0 == iterator) + die("out of memory allocating iterator"); + + FLAC__metadata_iterator_init(iterator, chain); + + /* Find out whether there is already a vorbis comment block present */ + do { + FLAC__MetadataType type = FLAC__metadata_iterator_get_block_type(iterator); + if(type == FLAC__METADATA_TYPE_VORBIS_COMMENT) + has_vorbiscomment = true; + } + while(FLAC__metadata_iterator_next(iterator)); + + /* Reset iterator */ + FLAC__metadata_iterator_init(iterator, chain); + + /* Go to requested block */ + for(i = 0; i < append_after; i++) { + if(!FLAC__metadata_iterator_next(iterator)) + break; + } + +#ifdef _WIN32 + _setmode(fileno(stdin),_O_BINARY); +#endif + + /* Read header from stdin */ + while(fread(header, 1, FLAC__STREAM_METADATA_HEADER_LENGTH, stdin) == FLAC__STREAM_METADATA_HEADER_LENGTH) { + + buffer_size = ((FLAC__uint32)(header[1]) << 16) + ((FLAC__uint32)(header[2]) << 8) + header[3]; + buffer = safe_malloc_(buffer_size + FLAC__STREAM_METADATA_HEADER_LENGTH); + if(0 == buffer) + die("out of memory allocating read buffer"); + memcpy(buffer, header, FLAC__STREAM_METADATA_HEADER_LENGTH); + + num_objects++; + + if(fread(buffer+FLAC__STREAM_METADATA_HEADER_LENGTH, 1, buffer_size, stdin) < buffer_size) { + flac_fprintf(stderr, "ERROR: couldn't read metadata block #%u from stdin\n",(num_objects)); + free(buffer); + FLAC__metadata_iterator_delete(iterator); + return false; + } + + if((object = FLAC__metadata_object_set_raw(buffer, buffer_size + FLAC__STREAM_METADATA_HEADER_LENGTH)) == NULL) { + flac_fprintf(stderr, "ERROR: couldn't parse supplied metadata block #%u\n",(num_objects)); + free(buffer); + FLAC__metadata_iterator_delete(iterator); + return false; + } + free(buffer); + + if(has_vorbiscomment && object->type == FLAC__METADATA_TYPE_VORBIS_COMMENT) { + flac_fprintf(stderr, "ERROR: can't add another vorbis comment block to file, it already has one\n"); + FLAC__metadata_object_delete(object); + FLAC__metadata_iterator_delete(iterator); + return false; + } + + + if(object->type == FLAC__METADATA_TYPE_STREAMINFO) { + flac_fprintf(stderr, "ERROR: can't add streaminfo to file\n"); + FLAC__metadata_object_delete(object); + FLAC__metadata_iterator_delete(iterator); + return false; + } + + if(object->type == FLAC__METADATA_TYPE_SEEKTABLE) { + flac_fprintf(stderr, "ERROR: can't add seektable to file, please use --add-seekpoint instead\n"); + FLAC__metadata_object_delete(object); + FLAC__metadata_iterator_delete(iterator); + return false; + } + + if(!FLAC__metadata_iterator_insert_block_after(iterator, object)) { + flac_fprintf(stderr, "ERROR: couldn't add supplied metadata block #%u to file\n",(num_objects)); + FLAC__metadata_object_delete(object); + FLAC__metadata_iterator_delete(iterator); + return false; + } + /* Now check whether what type of block was added */ + { + FLAC__MetadataType type = FLAC__metadata_iterator_get_block_type(iterator); + if(type == FLAC__METADATA_TYPE_VORBIS_COMMENT) + has_vorbiscomment = true; + } + } + +#ifdef _WIN32 + _setmode(fileno(stdin),_O_TEXT); +#endif + + if(num_objects == 0) + flac_fprintf(stderr, "ERROR: unable to find a metadata block in the supplied input\n"); + + FLAC__metadata_iterator_delete(iterator); + + return true; +} + +FLAC__bool do_major_operation__remove(FLAC__Metadata_Chain *chain, const CommandLineOptions *options) +{ + FLAC__Metadata_Iterator *iterator = FLAC__metadata_iterator_new(); + FLAC__bool ok = true; + unsigned block_number; + + if(0 == iterator) + die("out of memory allocating iterator"); + + FLAC__metadata_iterator_init(iterator, chain); + + block_number = 0; + while(ok && FLAC__metadata_iterator_next(iterator)) { + block_number++; + if(passes_filter(options, FLAC__metadata_iterator_get_block(iterator), block_number)) { + ok &= FLAC__metadata_iterator_delete_block(iterator, options->use_padding); + if(options->use_padding) + ok &= FLAC__metadata_iterator_next(iterator); + } + } + + FLAC__metadata_iterator_delete(iterator); + + return ok; +} + +FLAC__bool do_major_operation__remove_all(FLAC__Metadata_Chain *chain, const CommandLineOptions *options) +{ + FLAC__Metadata_Iterator *iterator = FLAC__metadata_iterator_new(); + FLAC__bool ok = true; + + if(0 == iterator) + die("out of memory allocating iterator"); + + FLAC__metadata_iterator_init(iterator, chain); + + while(ok && FLAC__metadata_iterator_next(iterator)) { + ok &= FLAC__metadata_iterator_delete_block(iterator, options->use_padding); + if(options->use_padding) + ok &= FLAC__metadata_iterator_next(iterator); + } + + FLAC__metadata_iterator_delete(iterator); + + return ok; +} + +FLAC__bool do_shorthand_operations(const CommandLineOptions *options) +{ + unsigned i; + FLAC__bool ok = true; + + /* to die after first error, v--- add '&& ok' here */ + for(i = 0; i < options->num_files; i++) + ok &= do_shorthand_operations_on_file(options->filenames[i], options); + + /* check if OP__ADD_REPLAY_GAIN requested */ + if(ok && options->num_files > 0) { + for(i = 0; i < options->ops.num_operations; i++) { + if(options->ops.operations[i].type == OP__ADD_REPLAY_GAIN) + ok = do_shorthand_operation__add_replay_gain(options->filenames, options->num_files, options->preserve_modtime, false); + else if(options->ops.operations[i].type == OP__SCAN_REPLAY_GAIN) + ok = do_shorthand_operation__add_replay_gain(options->filenames, options->num_files, options->preserve_modtime, true); + } + } + + return ok; +} + +FLAC__bool do_shorthand_operations_on_file(const char *filename, const CommandLineOptions *options) +{ + unsigned i; + FLAC__bool ok = true, needs_write = false, use_padding = options->use_padding; + FLAC__Metadata_Chain *chain = FLAC__metadata_chain_new(); + + if(0 == chain) + die("out of memory allocating chain"); + + if(!FLAC__metadata_chain_read(chain, filename)) { + print_error_with_chain_status(chain, "%s: ERROR: reading metadata", filename); + ok = false; + goto cleanup; + } + + for(i = 0; i < options->ops.num_operations && ok; i++) { + /* + * Do OP__ADD_SEEKPOINT last to avoid decoding twice if both + * --add-seekpoint and --import-cuesheet-from are used. + */ + if(options->ops.operations[i].type != OP__ADD_SEEKPOINT) + ok &= do_shorthand_operation(filename, options->prefix_with_filename, chain, &options->ops.operations[i], &needs_write, options->utf8_convert); + + /* The following seems counterintuitive but the meaning + * of 'use_padding' is 'try to keep the overall metadata + * to its original size, adding or truncating extra + * padding if necessary' which is why we need to turn it + * off in this case. If we don't, the extra padding block + * will just be truncated. + */ + if(options->ops.operations[i].type == OP__ADD_PADDING) + use_padding = false; + } + + /* + * Do OP__ADD_SEEKPOINT last to avoid decoding twice if both + * --add-seekpoint and --import-cuesheet-from are used. + */ + for(i = 0; i < options->ops.num_operations && ok; i++) { + if(options->ops.operations[i].type == OP__ADD_SEEKPOINT) + ok &= do_shorthand_operation(filename, options->prefix_with_filename, chain, &options->ops.operations[i], &needs_write, options->utf8_convert); + } + + if(ok && needs_write) { + if(use_padding) + FLAC__metadata_chain_sort_padding(chain); + ok = FLAC__metadata_chain_write(chain, use_padding, options->preserve_modtime); + if(!ok) + print_error_with_chain_status(chain, "%s: ERROR: writing FLAC file", filename); + } + + cleanup : + FLAC__metadata_chain_delete(chain); + + return ok; +} + +FLAC__bool do_shorthand_operation(const char *filename, FLAC__bool prefix_with_filename, FLAC__Metadata_Chain *chain, const Operation *operation, FLAC__bool *needs_write, FLAC__bool utf8_convert) +{ + FLAC__bool ok = true; + + switch(operation->type) { + case OP__SHOW_MD5SUM: + case OP__SHOW_MIN_BLOCKSIZE: + case OP__SHOW_MAX_BLOCKSIZE: + case OP__SHOW_MIN_FRAMESIZE: + case OP__SHOW_MAX_FRAMESIZE: + case OP__SHOW_SAMPLE_RATE: + case OP__SHOW_CHANNELS: + case OP__SHOW_BPS: + case OP__SHOW_TOTAL_SAMPLES: + case OP__SET_MD5SUM: + case OP__SET_MIN_BLOCKSIZE: + case OP__SET_MAX_BLOCKSIZE: + case OP__SET_MIN_FRAMESIZE: + case OP__SET_MAX_FRAMESIZE: + case OP__SET_SAMPLE_RATE: + case OP__SET_CHANNELS: + case OP__SET_BPS: + case OP__SET_TOTAL_SAMPLES: + ok = do_shorthand_operation__streaminfo(filename, prefix_with_filename, chain, operation, needs_write); + break; + case OP__SHOW_VC_VENDOR: + case OP__SHOW_VC_FIELD: + case OP__REMOVE_VC_ALL: + case OP__REMOVE_VC_ALL_EXCEPT: + case OP__REMOVE_VC_FIELD: + case OP__REMOVE_VC_FIRSTFIELD: + case OP__SET_VC_FIELD: + case OP__IMPORT_VC_FROM: + case OP__EXPORT_VC_TO: + ok = do_shorthand_operation__vorbis_comment(filename, prefix_with_filename, chain, operation, needs_write, !utf8_convert); + break; + case OP__IMPORT_CUESHEET_FROM: + case OP__EXPORT_CUESHEET_TO: + ok = do_shorthand_operation__cuesheet(filename, chain, operation, needs_write); + break; + case OP__IMPORT_PICTURE_FROM: + case OP__EXPORT_PICTURE_TO: + ok = do_shorthand_operation__picture(filename, chain, operation, needs_write); + break; + case OP__ADD_SEEKPOINT: + ok = do_shorthand_operation__add_seekpoints(filename, chain, operation->argument.add_seekpoint.specification, needs_write); + break; + case OP__ADD_REPLAY_GAIN: + case OP__SCAN_REPLAY_GAIN: + /* these commands are always executed last */ + ok = true; + break; + case OP__ADD_PADDING: + ok = do_shorthand_operation__add_padding(filename, chain, operation->argument.add_padding.length, needs_write); + break; + default: + ok = false; + FLAC__ASSERT(0); + break; + }; + + return ok; +} + +FLAC__bool do_shorthand_operation__add_replay_gain(char **filenames, unsigned num_files, FLAC__bool preserve_modtime, FLAC__bool scan) +{ + FLAC__StreamMetadata streaminfo; + float *title_gains = 0, *title_peaks = 0; + float album_gain, album_peak; + unsigned sample_rate = 0; + unsigned bits_per_sample = 0; + unsigned channels = 0; + unsigned i; + const char *error; + FLAC__bool first = true; + + FLAC__ASSERT(num_files > 0); + + for(i = 0; i < num_files; i++) { + FLAC__ASSERT(0 != filenames[i]); + if(!FLAC__metadata_get_streaminfo(filenames[i], &streaminfo)) { + flac_fprintf(stderr, "%s: ERROR: can't open file or get STREAMINFO block\n", filenames[i]); + return false; + } + if(first) { + first = false; + sample_rate = streaminfo.data.stream_info.sample_rate; + bits_per_sample = streaminfo.data.stream_info.bits_per_sample; + channels = streaminfo.data.stream_info.channels; + } + else { + if(sample_rate != streaminfo.data.stream_info.sample_rate) { + flac_fprintf(stderr, "%s: ERROR: sample rate of %u Hz does not match previous files' %u Hz\n", filenames[i], streaminfo.data.stream_info.sample_rate, sample_rate); + return false; + } + if(bits_per_sample != streaminfo.data.stream_info.bits_per_sample) { + flac_fprintf(stderr, "%s: ERROR: resolution of %u bps does not match previous files' %u bps\n", filenames[i], streaminfo.data.stream_info.bits_per_sample, bits_per_sample); + return false; + } + if(channels != streaminfo.data.stream_info.channels) { + flac_fprintf(stderr, "%s: ERROR: # channels (%u) does not match previous files' (%u)\n", filenames[i], streaminfo.data.stream_info.channels, channels); + return false; + } + } + if(!grabbag__replaygain_is_valid_sample_frequency(sample_rate)) { + flac_fprintf(stderr, "%s: ERROR: sample rate of %u Hz is not supported\n", filenames[i], sample_rate); + return false; + } + if(channels != 1 && channels != 2) { + flac_fprintf(stderr, "%s: ERROR: # of channels (%u) is not supported, must be 1 or 2\n", filenames[i], channels); + return false; + } + if(bits_per_sample < FLAC__MIN_BITS_PER_SAMPLE || bits_per_sample > FLAC__MAX_BITS_PER_SAMPLE) { + flac_fprintf(stderr, "%s: ERROR: resolution (%u) is not supported, must be between %u and %u\n", filenames[i], bits_per_sample, FLAC__MIN_BITS_PER_SAMPLE, FLAC__MAX_BITS_PER_SAMPLE); + return false; + } + } + + if(!grabbag__replaygain_init(sample_rate)) { + FLAC__ASSERT(0); + /* double protection */ + flac_fprintf(stderr, "internal error\n"); + return false; + } + + if( + 0 == (title_gains = safe_malloc_mul_2op_(sizeof(float), /*times*/num_files)) || + 0 == (title_peaks = safe_malloc_mul_2op_(sizeof(float), /*times*/num_files)) + ) + die("out of memory allocating space for title gains/peaks"); + + for(i = 0; i < num_files; i++) { + if(0 != (error = grabbag__replaygain_analyze_file(filenames[i], title_gains+i, title_peaks+i))) { + flac_fprintf(stderr, "%s: ERROR: during analysis (%s)\n", filenames[i], error); + free(title_gains); + free(title_peaks); + return false; + } + } + grabbag__replaygain_get_album(&album_gain, &album_peak); + + for(i = 0; i < num_files; i++) { + if(!scan) { + if(0 != (error = grabbag__replaygain_store_to_file(filenames[i], album_gain, album_peak, title_gains[i], title_peaks[i], preserve_modtime))) { + flac_fprintf(stderr, "%s: ERROR: writing tags (%s)\n", filenames[i], error); + free(title_gains); + free(title_peaks); + return false; + } + } else { + flac_fprintf(stdout, "%s: %f %f %f %f\n", filenames[i], album_gain, album_peak, title_gains[i], title_peaks[i]); + } + } + + free(title_gains); + free(title_peaks); + return true; +} + +FLAC__bool do_shorthand_operation__add_padding(const char *filename, FLAC__Metadata_Chain *chain, unsigned length, FLAC__bool *needs_write) +{ + FLAC__StreamMetadata *padding = 0; + FLAC__Metadata_Iterator *iterator = FLAC__metadata_iterator_new(); + + if(0 == iterator) + die("out of memory allocating iterator"); + + FLAC__metadata_iterator_init(iterator, chain); + + while(FLAC__metadata_iterator_next(iterator)) + ; + + padding = FLAC__metadata_object_new(FLAC__METADATA_TYPE_PADDING); + if(0 == padding) + die("out of memory allocating PADDING block"); + + padding->length = length; + + if(!FLAC__metadata_iterator_insert_block_after(iterator, padding)) { + print_error_with_chain_status(chain, "%s: ERROR: adding new PADDING block to metadata", filename); + FLAC__metadata_object_delete(padding); + FLAC__metadata_iterator_delete(iterator); + return false; + } + + FLAC__metadata_iterator_delete(iterator); + *needs_write = true; + return true; +} + +FLAC__bool passes_filter(const CommandLineOptions *options, const FLAC__StreamMetadata *block, unsigned block_number) +{ + unsigned i, j; + FLAC__bool matches_number = false, matches_type = false; + FLAC__bool has_block_number_arg = false; + + for(i = 0; i < options->args.num_arguments; i++) { + if(options->args.arguments[i].type == ARG__BLOCK_TYPE || options->args.arguments[i].type == ARG__EXCEPT_BLOCK_TYPE) { + for(j = 0; j < options->args.arguments[i].value.block_type.num_entries; j++) { + if(options->args.arguments[i].value.block_type.entries[j].type == block->type) { + if(block->type != FLAC__METADATA_TYPE_APPLICATION || !options->args.arguments[i].value.block_type.entries[j].filter_application_by_id || 0 == memcmp(options->args.arguments[i].value.block_type.entries[j].application_id, block->data.application.id, FLAC__STREAM_METADATA_APPLICATION_ID_LEN/8)) + matches_type = true; + } + } + } + else if(options->args.arguments[i].type == ARG__BLOCK_NUMBER) { + has_block_number_arg = true; + for(j = 0; j < options->args.arguments[i].value.block_number.num_entries; j++) { + if(options->args.arguments[i].value.block_number.entries[j] == block_number) + matches_number = true; + } + } + } + + if(!has_block_number_arg) + matches_number = true; + + if(options->args.checks.has_block_type) { + FLAC__ASSERT(!options->args.checks.has_except_block_type); + } + else if(options->args.checks.has_except_block_type) + matches_type = !matches_type; + else + matches_type = true; + + return matches_number && matches_type; +} + +void write_metadata(const char *filename, FLAC__StreamMetadata *block, unsigned block_number, FLAC__bool raw, FLAC__bool hexdump_application) +{ + unsigned i, j; + +/*@@@ yuck, should do this with a varargs function or something: */ +#define PPR if(filename) { if(raw) printf("%s:",filename); else flac_printf("%s:",filename); } + PPR; printf("METADATA block #%u\n", block_number); + PPR; printf(" type: %u (%s)\n", (unsigned)block->type, block->type < FLAC__METADATA_TYPE_UNDEFINED? FLAC__MetadataTypeString[block->type] : "UNKNOWN"); + PPR; printf(" is last: %s\n", block->is_last? "true":"false"); + PPR; printf(" length: %u\n", block->length); + + switch(block->type) { + case FLAC__METADATA_TYPE_STREAMINFO: + PPR; printf(" minimum blocksize: %u samples\n", block->data.stream_info.min_blocksize); + PPR; printf(" maximum blocksize: %u samples\n", block->data.stream_info.max_blocksize); + PPR; printf(" minimum framesize: %u bytes\n", block->data.stream_info.min_framesize); + PPR; printf(" maximum framesize: %u bytes\n", block->data.stream_info.max_framesize); + PPR; printf(" sample_rate: %u Hz\n", block->data.stream_info.sample_rate); + PPR; printf(" channels: %u\n", block->data.stream_info.channels); + PPR; printf(" bits-per-sample: %u\n", block->data.stream_info.bits_per_sample); + PPR; printf(" total samples: %" PRIu64 "\n", block->data.stream_info.total_samples); + PPR; printf(" MD5 signature: "); + for(i = 0; i < 16; i++) { + printf("%02x", (unsigned)block->data.stream_info.md5sum[i]); + } + printf("\n"); + break; + case FLAC__METADATA_TYPE_PADDING: + /* nothing to print */ + break; + case FLAC__METADATA_TYPE_APPLICATION: + PPR; printf(" application ID: "); + for(i = 0; i < 4; i++) + printf("%02x", block->data.application.id[i]); + printf("\n"); + PPR; printf(" data contents:\n"); + if(0 != block->data.application.data) { + if(hexdump_application) + hexdump(filename, block->data.application.data, block->length - FLAC__STREAM_METADATA_HEADER_LENGTH, " "); + else + (void) local_fwrite(block->data.application.data, 1, block->length - FLAC__STREAM_METADATA_HEADER_LENGTH, stdout); + } + break; + case FLAC__METADATA_TYPE_SEEKTABLE: + PPR; printf(" seek points: %u\n", block->data.seek_table.num_points); + for(i = 0; i < block->data.seek_table.num_points; i++) { + if(block->data.seek_table.points[i].sample_number != FLAC__STREAM_METADATA_SEEKPOINT_PLACEHOLDER) { + PPR; printf(" point %u: sample_number=%" PRIu64 ", stream_offset=%" PRIu64 ", frame_samples=%u\n", i, block->data.seek_table.points[i].sample_number, block->data.seek_table.points[i].stream_offset, block->data.seek_table.points[i].frame_samples); + } + else { + PPR; printf(" point %u: PLACEHOLDER\n", i); + } + } + break; + case FLAC__METADATA_TYPE_VORBIS_COMMENT: + PPR; printf(" vendor string: "); + write_vc_field(0, &block->data.vorbis_comment.vendor_string, raw, stdout); + PPR; printf(" comments: %u\n", block->data.vorbis_comment.num_comments); + for(i = 0; i < block->data.vorbis_comment.num_comments; i++) { + PPR; printf(" comment[%u]: ", i); + write_vc_field(0, &block->data.vorbis_comment.comments[i], raw, stdout); + } + break; + case FLAC__METADATA_TYPE_CUESHEET: + PPR; printf(" media catalog number: %s\n", block->data.cue_sheet.media_catalog_number); + PPR; printf(" lead-in: %" PRIu64 "\n", block->data.cue_sheet.lead_in); + PPR; printf(" is CD: %s\n", block->data.cue_sheet.is_cd? "true":"false"); + PPR; printf(" number of tracks: %u\n", block->data.cue_sheet.num_tracks); + for(i = 0; i < block->data.cue_sheet.num_tracks; i++) { + const FLAC__StreamMetadata_CueSheet_Track *track = block->data.cue_sheet.tracks+i; + const FLAC__bool is_last = (i == block->data.cue_sheet.num_tracks-1); + const FLAC__bool is_leadout = is_last && track->num_indices == 0; + PPR; printf(" track[%u]\n", i); + PPR; printf(" offset: %" PRIu64 "\n", track->offset); + if(is_last) { + PPR; printf(" number: %u (%s)\n", (unsigned)track->number, is_leadout? "LEAD-OUT" : "INVALID"); + } + else { + PPR; printf(" number: %u\n", (unsigned)track->number); + } + if(!is_leadout) { + PPR; printf(" ISRC: %s\n", track->isrc); + PPR; printf(" type: %s\n", track->type == 1? "DATA" : "AUDIO"); + PPR; printf(" pre-emphasis: %s\n", track->pre_emphasis? "true":"false"); + PPR; printf(" number of index points: %u\n", track->num_indices); + for(j = 0; j < track->num_indices; j++) { + const FLAC__StreamMetadata_CueSheet_Index *indx = track->indices+j; + PPR; printf(" index[%u]\n", j); + PPR; printf(" offset: %" PRIu64 "\n", indx->offset); + PPR; printf(" number: %u\n", (unsigned)indx->number); + } + } + } + break; + case FLAC__METADATA_TYPE_PICTURE: + PPR; printf(" type: %u (%s)\n", block->data.picture.type, block->data.picture.type < FLAC__STREAM_METADATA_PICTURE_TYPE_UNDEFINED? FLAC__StreamMetadata_Picture_TypeString[block->data.picture.type] : "UNDEFINED"); + PPR; printf(" MIME type: %s\n", block->data.picture.mime_type); + PPR; printf(" description: %s\n", block->data.picture.description); + PPR; printf(" width: %u\n", (unsigned)block->data.picture.width); + PPR; printf(" height: %u\n", (unsigned)block->data.picture.height); + PPR; printf(" depth: %u\n", (unsigned)block->data.picture.depth); + PPR; printf(" colors: %u%s\n", (unsigned)block->data.picture.colors, block->data.picture.colors? "" : " (unindexed)"); + PPR; printf(" data length: %u\n", (unsigned)block->data.picture.data_length); + PPR; printf(" data:\n"); + if(0 != block->data.picture.data) + hexdump(filename, block->data.picture.data, block->data.picture.data_length, " "); + break; + default: + PPR; printf(" data contents:\n"); + if(0 != block->data.unknown.data) + hexdump(filename, block->data.unknown.data, block->length, " "); + break; + } +#undef PPR +} + +void write_metadata_binary(FLAC__StreamMetadata *block, FLAC__byte *block_raw, FLAC__bool headerless) +{ +#ifdef _WIN32 + fflush(stdout); + _setmode(fileno(stdout),_O_BINARY); +#endif + if(!headerless) + local_fwrite(block_raw, 1, block->length+FLAC__STREAM_METADATA_HEADER_LENGTH, stdout); + else if(block->type == FLAC__METADATA_TYPE_APPLICATION && block->length > 3) + local_fwrite(block_raw+FLAC__STREAM_METADATA_HEADER_LENGTH+4, 1, block->length-4, stdout); + else + local_fwrite(block_raw+FLAC__STREAM_METADATA_HEADER_LENGTH, 1, block->length, stdout); +#ifdef _WIN32 + fflush(stdout); + _setmode(fileno(stdout),_O_TEXT); +#endif +} diff --git a/src/metaflac/operations.h b/src/metaflac/operations.h new file mode 100644 index 0000000..79e1c3b --- /dev/null +++ b/src/metaflac/operations.h @@ -0,0 +1,27 @@ +/* metaflac - Command-line FLAC metadata editor + * Copyright (C) 2001-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifndef metaflac__operations_h +#define metaflac__operations_h + +#include "options.h" + +FLAC__bool do_operations(const CommandLineOptions *options); + +#endif diff --git a/src/metaflac/operations_shorthand.h b/src/metaflac/operations_shorthand.h new file mode 100644 index 0000000..1877c26 --- /dev/null +++ b/src/metaflac/operations_shorthand.h @@ -0,0 +1,26 @@ +/* metaflac - Command-line FLAC metadata editor + * Copyright (C) 2001-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#include "options.h" + +FLAC__bool do_shorthand_operation__picture(const char *filename, FLAC__Metadata_Chain *chain, const Operation *operation, FLAC__bool *needs_write); +FLAC__bool do_shorthand_operation__cuesheet(const char *filename, FLAC__Metadata_Chain *chain, const Operation *operation, FLAC__bool *needs_write); +FLAC__bool do_shorthand_operation__add_seekpoints(const char *filename, FLAC__Metadata_Chain *chain, const char *specification, FLAC__bool *needs_write); +FLAC__bool do_shorthand_operation__streaminfo(const char *filename, FLAC__bool prefix_with_filename, FLAC__Metadata_Chain *chain, const Operation *operation, FLAC__bool *needs_write); +FLAC__bool do_shorthand_operation__vorbis_comment(const char *filename, FLAC__bool prefix_with_filename, FLAC__Metadata_Chain *chain, const Operation *operation, FLAC__bool *needs_write, FLAC__bool raw); diff --git a/src/metaflac/operations_shorthand_cuesheet.c b/src/metaflac/operations_shorthand_cuesheet.c new file mode 100644 index 0000000..13c4ded --- /dev/null +++ b/src/metaflac/operations_shorthand_cuesheet.c @@ -0,0 +1,226 @@ +/* metaflac - Command-line FLAC metadata editor + * Copyright (C) 2001-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include <errno.h> +#include <string.h> +#include "options.h" +#include "utils.h" +#include "FLAC/assert.h" +#include "share/grabbag.h" +#include "share/compat.h" +#include "operations_shorthand.h" + +static FLAC__bool import_cs_from(const char *filename, FLAC__StreamMetadata **cuesheet, const char *cs_filename, FLAC__bool *needs_write, FLAC__uint64 lead_out_offset, unsigned sample_rate, FLAC__bool is_cdda, Argument_AddSeekpoint *add_seekpoint_link); +static FLAC__bool export_cs_to(const char *filename, const FLAC__StreamMetadata *cuesheet, const char *cs_filename); + +FLAC__bool do_shorthand_operation__cuesheet(const char *filename, FLAC__Metadata_Chain *chain, const Operation *operation, FLAC__bool *needs_write) +{ + FLAC__bool ok = true; + FLAC__StreamMetadata *cuesheet = 0; + FLAC__Metadata_Iterator *iterator = FLAC__metadata_iterator_new(); + FLAC__uint64 lead_out_offset = 0; + FLAC__bool is_cdda = false; + unsigned sample_rate = 0; + + if(0 == iterator) + die("out of memory allocating iterator"); + + FLAC__metadata_iterator_init(iterator, chain); + + do { + FLAC__StreamMetadata *block = FLAC__metadata_iterator_get_block(iterator); + if(block->type == FLAC__METADATA_TYPE_STREAMINFO) { + lead_out_offset = block->data.stream_info.total_samples; + if(lead_out_offset == 0) { + flac_fprintf(stderr, "%s: ERROR: FLAC file must have total_samples set in STREAMINFO in order to import/export cuesheet\n", filename); + FLAC__metadata_iterator_delete(iterator); + return false; + } + sample_rate = block->data.stream_info.sample_rate; + is_cdda = (block->data.stream_info.channels == 1 || block->data.stream_info.channels == 2) && (block->data.stream_info.bits_per_sample == 16) && (sample_rate == 44100); + } + else if(block->type == FLAC__METADATA_TYPE_CUESHEET) + cuesheet = block; + } while(FLAC__metadata_iterator_next(iterator)); + + if(lead_out_offset == 0) { + flac_fprintf(stderr, "%s: ERROR: FLAC stream has no STREAMINFO block\n", filename); + FLAC__metadata_iterator_delete(iterator); + return false; + } + + if(sample_rate == 0) { + flac_fprintf(stderr, "%s: ERROR: cannot parse cuesheet when sample rate is unknown\n", filename); + FLAC__metadata_iterator_delete(iterator); + return false; + } + + switch(operation->type) { + case OP__IMPORT_CUESHEET_FROM: + if(0 != cuesheet) { + flac_fprintf(stderr, "%s: ERROR: FLAC file already has CUESHEET block\n", filename); + ok = false; + } + else { + ok = import_cs_from(filename, &cuesheet, operation->argument.import_cuesheet_from.filename, needs_write, lead_out_offset, sample_rate, is_cdda, operation->argument.import_cuesheet_from.add_seekpoint_link); + if(ok) { + /* append CUESHEET block */ + while(FLAC__metadata_iterator_next(iterator)) + ; + if(!FLAC__metadata_iterator_insert_block_after(iterator, cuesheet)) { + print_error_with_chain_status(chain, "%s: ERROR: adding new CUESHEET block to metadata", filename); + FLAC__metadata_object_delete(cuesheet); + ok = false; + } + } + } + break; + case OP__EXPORT_CUESHEET_TO: + if(0 == cuesheet) { + flac_fprintf(stderr, "%s: ERROR: FLAC file has no CUESHEET block\n", filename); + ok = false; + } + else + ok = export_cs_to(filename, cuesheet, operation->argument.filename.value); + break; + default: + ok = false; + FLAC__ASSERT(0); + break; + }; + + FLAC__metadata_iterator_delete(iterator); + return ok; +} + +/* + * local routines + */ + +FLAC__bool import_cs_from(const char *filename, FLAC__StreamMetadata **cuesheet, const char *cs_filename, FLAC__bool *needs_write, FLAC__uint64 lead_out_offset, unsigned sample_rate, FLAC__bool is_cdda, Argument_AddSeekpoint *add_seekpoint_link) +{ + FILE *f; + const char *error_message; + char **seekpoint_specification = add_seekpoint_link? &(add_seekpoint_link->specification) : 0; + unsigned last_line_read; + + if(0 == cs_filename || strlen(cs_filename) == 0) { + flac_fprintf(stderr, "%s: ERROR: empty import file name\n", filename); + return false; + } + if(0 == strcmp(cs_filename, "-")) + f = stdin; + else + f = flac_fopen(cs_filename, "r"); + + if(0 == f) { + flac_fprintf(stderr, "%s: ERROR: can't open import file %s: %s\n", filename, cs_filename, strerror(errno)); + return false; + } + + *cuesheet = grabbag__cuesheet_parse(f, &error_message, &last_line_read, sample_rate, is_cdda, lead_out_offset); + + if(f != stdin) + fclose(f); + + if(0 == *cuesheet) { + flac_fprintf(stderr, "%s: ERROR: while parsing cuesheet \"%s\" on line %u: %s\n", filename, cs_filename, last_line_read, error_message); + return false; + } + + if(!FLAC__format_cuesheet_is_legal(&(*cuesheet)->data.cue_sheet, /*check_cd_da_subset=*/false, &error_message)) { + flac_fprintf(stderr, "%s: ERROR parsing cuesheet \"%s\": %s\n", filename, cs_filename, error_message); + FLAC__metadata_object_delete(*cuesheet); + return false; + } + + /* if we're expecting CDDA, warn about non-compliance */ + if(is_cdda && !FLAC__format_cuesheet_is_legal(&(*cuesheet)->data.cue_sheet, /*check_cd_da_subset=*/true, &error_message)) { + flac_fprintf(stderr, "%s: WARNING cuesheet \"%s\" is not audio CD compliant: %s\n", filename, cs_filename, error_message); + (*cuesheet)->data.cue_sheet.is_cd = false; + } + + /* add seekpoints for each index point if required */ + if(0 != seekpoint_specification) { + char spec[128]; + unsigned track, indx; + const FLAC__StreamMetadata_CueSheet *cs = &(*cuesheet)->data.cue_sheet; + if(0 == *seekpoint_specification) + *seekpoint_specification = local_strdup(""); + for(track = 0; track < cs->num_tracks; track++) { + const FLAC__StreamMetadata_CueSheet_Track *tr = cs->tracks+track; + for(indx = 0; indx < tr->num_indices; indx++) { + flac_snprintf(spec, sizeof (spec), "%" PRIu64 ";", (tr->offset + tr->indices[indx].offset)); + local_strcat(seekpoint_specification, spec); + } + } + } + + *needs_write = true; + return true; +} + +FLAC__bool export_cs_to(const char *filename, const FLAC__StreamMetadata *cuesheet, const char *cs_filename) +{ + FILE *f; + char *ref = 0; + size_t reflen; + + if(0 == cs_filename || strlen(cs_filename) == 0) { + flac_fprintf(stderr, "%s: ERROR: empty export file name\n", filename); + return false; + } + if(0 == strcmp(cs_filename, "-")) + f = stdout; + else + f = flac_fopen(cs_filename, "w"); + + if(0 == f) { + flac_fprintf(stderr, "%s: ERROR: can't open export file %s: %s\n", filename, cs_filename, strerror(errno)); + return false; + } + + reflen = strlen(filename) + 7 + 1; + if(0 == (ref = malloc(reflen))) { + flac_fprintf(stderr, "%s: ERROR: allocating memory\n", filename); + if(f != stdout) + fclose(f); + return false; + } + + flac_snprintf(ref, reflen, "\"%s\" FLAC", filename); + + grabbag__cuesheet_emit(f, cuesheet, ref); + + free(ref); + + if(f != stdout) + fclose(f); +#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION + /* Delete output file when fuzzing */ + if(f != stdout) + flac_unlink(cs_filename); +#endif + + return true; +} diff --git a/src/metaflac/operations_shorthand_picture.c b/src/metaflac/operations_shorthand_picture.c new file mode 100644 index 0000000..6bb459b --- /dev/null +++ b/src/metaflac/operations_shorthand_picture.c @@ -0,0 +1,184 @@ +/* metaflac - Command-line FLAC metadata editor + * Copyright (C) 2001-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include <errno.h> +#include <string.h> +#include "options.h" +#include "utils.h" +#include "FLAC/assert.h" +#include "share/grabbag.h" /* for grabbag__picture_parse_specification() etc */ + +#include "operations_shorthand.h" + +static FLAC__bool import_pic_from(const char *filename, FLAC__StreamMetadata **picture, const char *specification, FLAC__bool *needs_write); +static FLAC__bool export_pic_to(const char *filename, const FLAC__StreamMetadata *picture, const char *pic_filename); + +FLAC__bool do_shorthand_operation__picture(const char *filename, FLAC__Metadata_Chain *chain, const Operation *operation, FLAC__bool *needs_write) +{ + FLAC__bool ok = true, has_type1 = false, has_type2 = false; + FLAC__StreamMetadata *picture = 0; + FLAC__Metadata_Iterator *iterator = FLAC__metadata_iterator_new(); + + if(0 == iterator) + die("out of memory allocating iterator"); + + FLAC__metadata_iterator_init(iterator, chain); + + switch(operation->type) { + case OP__IMPORT_PICTURE_FROM: + ok = import_pic_from(filename, &picture, operation->argument.specification.value, needs_write); + if(ok) { + /* append PICTURE block */ + while(FLAC__metadata_iterator_next(iterator)) + ; + if(!FLAC__metadata_iterator_insert_block_after(iterator, picture)) { + print_error_with_chain_status(chain, "%s: ERROR: adding new PICTURE block to metadata", filename); + FLAC__metadata_object_delete(picture); + ok = false; + } + } + if(ok) { + /* check global PICTURE constraints (max 1 block each of type=1 and type=2) */ + while(FLAC__metadata_iterator_prev(iterator)) + ; + do { + FLAC__StreamMetadata *block = FLAC__metadata_iterator_get_block(iterator); + if(block->type == FLAC__METADATA_TYPE_PICTURE) { + if(block->data.picture.type == FLAC__STREAM_METADATA_PICTURE_TYPE_FILE_ICON_STANDARD) { + if(has_type1) { + print_error_with_chain_status(chain, "%s: ERROR: FLAC stream can only have one 32x32 standard icon (type=1) PICTURE block", filename); + ok = false; + } + has_type1 = true; + } + else if(block->data.picture.type == FLAC__STREAM_METADATA_PICTURE_TYPE_FILE_ICON) { + if(has_type2) { + print_error_with_chain_status(chain, "%s: ERROR: FLAC stream can only have one icon (type=2) PICTURE block", filename); + ok = false; + } + has_type2 = true; + } + } + } while(FLAC__metadata_iterator_next(iterator)); + } + break; + case OP__EXPORT_PICTURE_TO: + { + const Argument_BlockNumber *a = operation->argument.export_picture_to.block_number_link; + int block_number = (a && a->num_entries > 0)? (int)a->entries[0] : -1; + unsigned i = 0; + do { + FLAC__StreamMetadata *block = FLAC__metadata_iterator_get_block(iterator); + if(block->type == FLAC__METADATA_TYPE_PICTURE && (block_number < 0 || i == (unsigned)block_number)) + picture = block; + i++; + } while(FLAC__metadata_iterator_next(iterator) && 0 == picture); + if(0 == picture) { + if(block_number < 0) + flac_fprintf(stderr, "%s: ERROR: FLAC file has no PICTURE block\n", filename); + else + flac_fprintf(stderr, "%s: ERROR: FLAC file has no PICTURE block at block #%d\n", filename, block_number); + ok = false; + } + else + ok = export_pic_to(filename, picture, operation->argument.filename.value); + } + break; + default: + ok = false; + FLAC__ASSERT(0); + break; + }; + + FLAC__metadata_iterator_delete(iterator); + return ok; +} + +/* + * local routines + */ + +FLAC__bool import_pic_from(const char *filename, FLAC__StreamMetadata **picture, const char *specification, FLAC__bool *needs_write) +{ + const char *error_message; + + if(0 == specification || strlen(specification) == 0) { + flac_fprintf(stderr, "%s: ERROR: empty picture specification\n", filename); + return false; + } + + *picture = grabbag__picture_parse_specification(specification, &error_message); + + if(0 == *picture) { + flac_fprintf(stderr, "%s: ERROR: while parsing picture specification \"%s\": %s\n", filename, specification, error_message); + return false; + } + + if(!FLAC__format_picture_is_legal(&(*picture)->data.picture, &error_message)) { + flac_fprintf(stderr, "%s: ERROR: new PICTURE block for \"%s\" is illegal: %s\n", filename, specification, error_message); + FLAC__metadata_object_delete(*picture); + *picture = 0; + return false; + } + + *needs_write = true; + return true; +} + +FLAC__bool export_pic_to(const char *filename, const FLAC__StreamMetadata *picture, const char *pic_filename) +{ + FILE *f; + const FLAC__uint32 len = picture->data.picture.data_length; + + if(0 == pic_filename || strlen(pic_filename) == 0) { + flac_fprintf(stderr, "%s: ERROR: empty export file name\n", filename); + return false; + } + if(0 == strcmp(pic_filename, "-")) + f = grabbag__file_get_binary_stdout(); + else + f = flac_fopen(pic_filename, "wb"); + + if(0 == f) { + flac_fprintf(stderr, "%s: ERROR: can't open export file %s: %s\n", filename, pic_filename, strerror(errno)); + return false; + } + + if(fwrite(picture->data.picture.data, 1, len, f) != len) { + flac_fprintf(stderr, "%s: ERROR: writing PICTURE data to file\n", filename); + if(f != stdout) + fclose(f); + return false; + } + + if(f != stdout) + fclose(f); + +#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION + /* Delete output file when fuzzing */ + if(f != stdout) + flac_unlink(pic_filename); +#endif + + return true; +} diff --git a/src/metaflac/operations_shorthand_seektable.c b/src/metaflac/operations_shorthand_seektable.c new file mode 100644 index 0000000..c9175b3 --- /dev/null +++ b/src/metaflac/operations_shorthand_seektable.c @@ -0,0 +1,220 @@ +/* metaflac - Command-line FLAC metadata editor + * Copyright (C) 2001-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include "utils.h" +#include "FLAC/assert.h" +#include "FLAC/stream_decoder.h" +#include "FLAC/metadata.h" +#include "share/grabbag.h" +#include "operations_shorthand.h" + +static FLAC__bool populate_seekpoint_values(const char *filename, FLAC__StreamMetadata *block, FLAC__bool *needs_write); + +FLAC__bool do_shorthand_operation__add_seekpoints(const char *filename, FLAC__Metadata_Chain *chain, const char *specification, FLAC__bool *needs_write) +{ + FLAC__bool ok = true, found_seektable_block = false; + FLAC__StreamMetadata *block = 0; + FLAC__Metadata_Iterator *iterator = FLAC__metadata_iterator_new(); + FLAC__uint64 total_samples = 0; + unsigned sample_rate = 0; + + if(0 == iterator) + die("out of memory allocating iterator"); + + FLAC__metadata_iterator_init(iterator, chain); + + do { + block = FLAC__metadata_iterator_get_block(iterator); + if(block->type == FLAC__METADATA_TYPE_STREAMINFO) { + sample_rate = block->data.stream_info.sample_rate; + total_samples = block->data.stream_info.total_samples; + } + else if(block->type == FLAC__METADATA_TYPE_SEEKTABLE) + found_seektable_block = true; + } while(!found_seektable_block && FLAC__metadata_iterator_next(iterator)); + + if(total_samples == 0) { + flac_fprintf(stderr, "%s: ERROR: cannot add seekpoints because STREAMINFO block does not specify total_samples\n", filename); + FLAC__metadata_iterator_delete(iterator); + return false; + } + + if(!found_seektable_block) { + /* create a new block */ + block = FLAC__metadata_object_new(FLAC__METADATA_TYPE_SEEKTABLE); + if(0 == block) + die("out of memory allocating SEEKTABLE block"); + while(FLAC__metadata_iterator_prev(iterator)) + ; + if(!FLAC__metadata_iterator_insert_block_after(iterator, block)) { + print_error_with_chain_status(chain, "%s: ERROR: adding new SEEKTABLE block to metadata", filename); + FLAC__metadata_object_delete(block); + FLAC__metadata_iterator_delete(iterator); + return false; + } + /* iterator is left pointing to new block */ + FLAC__ASSERT(FLAC__metadata_iterator_get_block(iterator) == block); + } + + FLAC__metadata_iterator_delete(iterator); + + FLAC__ASSERT(0 != block); + FLAC__ASSERT(block->type == FLAC__METADATA_TYPE_SEEKTABLE); + + if(!grabbag__seektable_convert_specification_to_template(specification, /*only_explicit_placeholders=*/false, total_samples, sample_rate, block, /*spec_has_real_points=*/0)) { + flac_fprintf(stderr, "%s: ERROR (internal) preparing seektable with seekpoints\n", filename); + return false; + } + + ok = populate_seekpoint_values(filename, block, needs_write); + + if(ok) + (void) FLAC__format_seektable_sort(&block->data.seek_table); + + return ok; +} + +/* + * local routines + */ + +typedef struct { + FLAC__StreamMetadata_SeekTable *seektable_template; + FLAC__uint64 samples_written; + FLAC__uint64 audio_offset, last_offset; + unsigned first_seekpoint_to_check; + FLAC__bool error_occurred; + FLAC__StreamDecoderErrorStatus error_status; +} ClientData; + +static FLAC__StreamDecoderWriteStatus write_callback_(const FLAC__StreamDecoder *decoder, const FLAC__Frame *frame, const FLAC__int32 * const buffer[], void *client_data) +{ + ClientData *cd = (ClientData*)client_data; + + (void)buffer; + FLAC__ASSERT(0 != cd); + + if(!cd->error_occurred) { + const unsigned blocksize = frame->header.blocksize; + const FLAC__uint64 frame_first_sample = cd->samples_written; + const FLAC__uint64 frame_last_sample = frame_first_sample + (FLAC__uint64)blocksize - 1; + FLAC__uint64 test_sample; + unsigned i; + for(i = cd->first_seekpoint_to_check; i < cd->seektable_template->num_points; i++) { + test_sample = cd->seektable_template->points[i].sample_number; + if(test_sample > frame_last_sample) { + break; + } + else if(test_sample >= frame_first_sample) { + cd->seektable_template->points[i].sample_number = frame_first_sample; + cd->seektable_template->points[i].stream_offset = cd->last_offset - cd->audio_offset; + cd->seektable_template->points[i].frame_samples = blocksize; + cd->first_seekpoint_to_check++; + /* DO NOT: "break;" and here's why: + * The seektable template may contain more than one target + * sample for any given frame; we will keep looping, generating + * duplicate seekpoints for them, and we'll clean it up later, + * just before writing the seektable back to the metadata. + */ + } + else { + cd->first_seekpoint_to_check++; + } + } + cd->samples_written += blocksize; + if(!FLAC__stream_decoder_get_decode_position(decoder, &cd->last_offset)) + return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT; + return FLAC__STREAM_DECODER_WRITE_STATUS_CONTINUE; + } + else + return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT; +} + +static void error_callback_(const FLAC__StreamDecoder *decoder, FLAC__StreamDecoderErrorStatus status, void *client_data) +{ + ClientData *cd = (ClientData*)client_data; + + (void)decoder; + FLAC__ASSERT(0 != cd); + + if(!cd->error_occurred) { /* don't let multiple errors overwrite the first one */ + cd->error_occurred = true; + cd->error_status = status; + } +} + +FLAC__bool populate_seekpoint_values(const char *filename, FLAC__StreamMetadata *block, FLAC__bool *needs_write) +{ + FLAC__StreamDecoder *decoder; + ClientData client_data; + FLAC__bool ok = true; + + FLAC__ASSERT(0 != block); + FLAC__ASSERT(block->type == FLAC__METADATA_TYPE_SEEKTABLE); + + client_data.seektable_template = &block->data.seek_table; + client_data.samples_written = 0; + /* client_data.audio_offset must be determined later */ + client_data.first_seekpoint_to_check = 0; + client_data.error_occurred = false; + + decoder = FLAC__stream_decoder_new(); + + if(0 == decoder) { + flac_fprintf(stderr, "%s: ERROR (--add-seekpoint) creating the decoder instance\n", filename); + return false; + } + + FLAC__stream_decoder_set_md5_checking(decoder, false); + FLAC__stream_decoder_set_metadata_ignore_all(decoder); + + if(FLAC__stream_decoder_init_file(decoder, filename, write_callback_, /*metadata_callback=*/0, error_callback_, &client_data) != FLAC__STREAM_DECODER_INIT_STATUS_OK) { + flac_fprintf(stderr, "%s: ERROR (--add-seekpoint) initializing the decoder instance (%s)\n", filename, FLAC__stream_decoder_get_resolved_state_string(decoder)); + ok = false; + } + + if(ok && !FLAC__stream_decoder_process_until_end_of_metadata(decoder)) { + flac_fprintf(stderr, "%s: ERROR (--add-seekpoint) decoding file (%s)\n", filename, FLAC__stream_decoder_get_resolved_state_string(decoder)); + ok = false; + } + + if(ok && !FLAC__stream_decoder_get_decode_position(decoder, &client_data.audio_offset)) { + flac_fprintf(stderr, "%s: ERROR (--add-seekpoint) decoding file\n", filename); + ok = false; + } + client_data.last_offset = client_data.audio_offset; + + if(ok && !FLAC__stream_decoder_process_until_end_of_stream(decoder)) { + flac_fprintf(stderr, "%s: ERROR (--add-seekpoint) decoding file (%s)\n", filename, FLAC__stream_decoder_get_resolved_state_string(decoder)); + ok = false; + } + + if(ok && client_data.error_occurred) { + flac_fprintf(stderr, "%s: ERROR (--add-seekpoint) decoding file (%u:%s)\n", filename, (unsigned)client_data.error_status, FLAC__StreamDecoderErrorStatusString[client_data.error_status]); + ok = false; + } + + *needs_write = true; + FLAC__stream_decoder_delete(decoder); + return ok; +} diff --git a/src/metaflac/operations_shorthand_streaminfo.c b/src/metaflac/operations_shorthand_streaminfo.c new file mode 100644 index 0000000..3219841 --- /dev/null +++ b/src/metaflac/operations_shorthand_streaminfo.c @@ -0,0 +1,127 @@ +/* metaflac - Command-line FLAC metadata editor + * Copyright (C) 2001-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include "options.h" +#include "utils.h" +#include "FLAC/assert.h" +#include "FLAC/metadata.h" +#include "share/compat.h" +#include <string.h> +#include "operations_shorthand.h" + +FLAC__bool do_shorthand_operation__streaminfo(const char *filename, FLAC__bool prefix_with_filename, FLAC__Metadata_Chain *chain, const Operation *operation, FLAC__bool *needs_write) +{ + unsigned i; + FLAC__bool ok = true; + FLAC__StreamMetadata *block; + FLAC__Metadata_Iterator *iterator = FLAC__metadata_iterator_new(); + + if(0 == iterator) + die("out of memory allocating iterator"); + + FLAC__metadata_iterator_init(iterator, chain); + + block = FLAC__metadata_iterator_get_block(iterator); + + FLAC__ASSERT(0 != block); + FLAC__ASSERT(block->type == FLAC__METADATA_TYPE_STREAMINFO); + + if(prefix_with_filename) + flac_printf("%s:", filename); + + switch(operation->type) { + case OP__SHOW_MD5SUM: + for(i = 0; i < 16; i++) + printf("%02x", block->data.stream_info.md5sum[i]); + printf("\n"); + break; + case OP__SHOW_MIN_BLOCKSIZE: + printf("%u\n", block->data.stream_info.min_blocksize); + break; + case OP__SHOW_MAX_BLOCKSIZE: + printf("%u\n", block->data.stream_info.max_blocksize); + break; + case OP__SHOW_MIN_FRAMESIZE: + printf("%u\n", block->data.stream_info.min_framesize); + break; + case OP__SHOW_MAX_FRAMESIZE: + printf("%u\n", block->data.stream_info.max_framesize); + break; + case OP__SHOW_SAMPLE_RATE: + printf("%u\n", block->data.stream_info.sample_rate); + break; + case OP__SHOW_CHANNELS: + printf("%u\n", block->data.stream_info.channels); + break; + case OP__SHOW_BPS: + printf("%u\n", block->data.stream_info.bits_per_sample); + break; + case OP__SHOW_TOTAL_SAMPLES: + printf("%" PRIu64 "\n", block->data.stream_info.total_samples); + break; + case OP__SET_MD5SUM: + memcpy(block->data.stream_info.md5sum, operation->argument.streaminfo_md5.value, 16); + *needs_write = true; + break; + case OP__SET_MIN_BLOCKSIZE: + block->data.stream_info.min_blocksize = operation->argument.streaminfo_uint32.value; + *needs_write = true; + break; + case OP__SET_MAX_BLOCKSIZE: + block->data.stream_info.max_blocksize = operation->argument.streaminfo_uint32.value; + *needs_write = true; + break; + case OP__SET_MIN_FRAMESIZE: + block->data.stream_info.min_framesize = operation->argument.streaminfo_uint32.value; + *needs_write = true; + break; + case OP__SET_MAX_FRAMESIZE: + block->data.stream_info.max_framesize = operation->argument.streaminfo_uint32.value; + *needs_write = true; + break; + case OP__SET_SAMPLE_RATE: + block->data.stream_info.sample_rate = operation->argument.streaminfo_uint32.value; + *needs_write = true; + break; + case OP__SET_CHANNELS: + block->data.stream_info.channels = operation->argument.streaminfo_uint32.value; + *needs_write = true; + break; + case OP__SET_BPS: + block->data.stream_info.bits_per_sample = operation->argument.streaminfo_uint32.value; + *needs_write = true; + break; + case OP__SET_TOTAL_SAMPLES: + block->data.stream_info.total_samples = operation->argument.streaminfo_uint64.value; + *needs_write = true; + break; + default: + ok = false; + FLAC__ASSERT(0); + break; + }; + + FLAC__metadata_iterator_delete(iterator); + + return ok; +} diff --git a/src/metaflac/operations_shorthand_vorbiscomment.c b/src/metaflac/operations_shorthand_vorbiscomment.c new file mode 100644 index 0000000..27c9e4c --- /dev/null +++ b/src/metaflac/operations_shorthand_vorbiscomment.c @@ -0,0 +1,430 @@ +/* metaflac - Command-line FLAC metadata editor + * Copyright (C) 2001-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include "options.h" +#include "utils.h" +#include "FLAC/assert.h" +#include "share/grabbag.h" /* for grabbag__file_get_filesize() */ +#include "share/utf8.h" +#include <errno.h> +#include <stdlib.h> +#include <string.h> +#include "operations_shorthand.h" +#include "share/compat.h" + +static FLAC__bool remove_vc_all(const char *filename, FLAC__StreamMetadata *block, FLAC__bool *needs_write); +static FLAC__bool remove_vc_all_except(const char *filename, FLAC__StreamMetadata *block, const char *field_name, FLAC__bool *needs_write); +static FLAC__bool remove_vc_field(const char *filename, FLAC__StreamMetadata *block, const char *field_name, FLAC__bool *needs_write); +static FLAC__bool remove_vc_firstfield(const char *filename, FLAC__StreamMetadata *block, const char *field_name, FLAC__bool *needs_write); +static FLAC__bool set_vc_field(const char *filename, FLAC__StreamMetadata *block, const Argument_VcField *field, FLAC__bool *needs_write, FLAC__bool raw); +static FLAC__bool import_vc_from(const char *filename, FLAC__StreamMetadata *block, const Argument_String *vc_filename, FLAC__bool *needs_write, FLAC__bool raw); +static FLAC__bool export_vc_to(const char *filename, FLAC__StreamMetadata *block, const Argument_String *vc_filename, FLAC__bool raw); + +FLAC__bool do_shorthand_operation__vorbis_comment(const char *filename, FLAC__bool prefix_with_filename, FLAC__Metadata_Chain *chain, const Operation *operation, FLAC__bool *needs_write, FLAC__bool raw) +{ + FLAC__bool ok = true, found_vc_block = false; + FLAC__StreamMetadata *block = 0; + FLAC__Metadata_Iterator *iterator = FLAC__metadata_iterator_new(); + + if(0 == iterator) + die("out of memory allocating iterator"); + + FLAC__metadata_iterator_init(iterator, chain); + + do { + block = FLAC__metadata_iterator_get_block(iterator); + if(block->type == FLAC__METADATA_TYPE_VORBIS_COMMENT) + found_vc_block = true; + } while(!found_vc_block && FLAC__metadata_iterator_next(iterator)); + + if(!found_vc_block) { + /* create a new block if necessary */ + if(operation->type == OP__SET_VC_FIELD || operation->type == OP__IMPORT_VC_FROM) { + block = FLAC__metadata_object_new(FLAC__METADATA_TYPE_VORBIS_COMMENT); + if(0 == block) + die("out of memory allocating VORBIS_COMMENT block"); + while(FLAC__metadata_iterator_next(iterator)) + ; + if(!FLAC__metadata_iterator_insert_block_after(iterator, block)) { + print_error_with_chain_status(chain, "%s: ERROR: adding new VORBIS_COMMENT block to metadata", filename); + return false; + } + /* iterator is left pointing to new block */ + FLAC__ASSERT(FLAC__metadata_iterator_get_block(iterator) == block); + } + else { + FLAC__metadata_iterator_delete(iterator); + return ok; + } + } + + FLAC__ASSERT(0 != block); + FLAC__ASSERT(block->type == FLAC__METADATA_TYPE_VORBIS_COMMENT); + + switch(operation->type) { + case OP__SHOW_VC_VENDOR: + write_vc_field(prefix_with_filename? filename : 0, &block->data.vorbis_comment.vendor_string, raw, stdout); + break; + case OP__SHOW_VC_FIELD: + write_vc_fields(prefix_with_filename? filename : 0, operation->argument.vc_field_name.value, block->data.vorbis_comment.comments, block->data.vorbis_comment.num_comments, raw, stdout); + break; + case OP__REMOVE_VC_ALL: + ok = remove_vc_all(filename, block, needs_write); + break; + case OP__REMOVE_VC_ALL_EXCEPT: + ok = remove_vc_all_except(filename, block, operation->argument.vc_field_name.value, needs_write); + break; + case OP__REMOVE_VC_FIELD: + ok = remove_vc_field(filename, block, operation->argument.vc_field_name.value, needs_write); + break; + case OP__REMOVE_VC_FIRSTFIELD: + ok = remove_vc_firstfield(filename, block, operation->argument.vc_field_name.value, needs_write); + break; + case OP__SET_VC_FIELD: +#ifdef _WIN32 /* do not convert anything or things will break */ + ok = set_vc_field(filename, block, &operation->argument.vc_field, needs_write, true); +#else + ok = set_vc_field(filename, block, &operation->argument.vc_field, needs_write, raw); +#endif + break; + case OP__IMPORT_VC_FROM: + ok = import_vc_from(filename, block, &operation->argument.filename, needs_write, raw); + break; + case OP__EXPORT_VC_TO: + ok = export_vc_to(filename, block, &operation->argument.filename, raw); + break; + default: + ok = false; + FLAC__ASSERT(0); + break; + }; + + FLAC__metadata_iterator_delete(iterator); + return ok; +} + +/* + * local routines + */ + +FLAC__bool remove_vc_all(const char *filename, FLAC__StreamMetadata *block, FLAC__bool *needs_write) +{ + FLAC__ASSERT(0 != block); + FLAC__ASSERT(block->type == FLAC__METADATA_TYPE_VORBIS_COMMENT); + FLAC__ASSERT(0 != needs_write); + + if(0 != block->data.vorbis_comment.comments) { + FLAC__ASSERT(block->data.vorbis_comment.num_comments > 0); + if(!FLAC__metadata_object_vorbiscomment_resize_comments(block, 0)) { + flac_fprintf(stderr, "%s: ERROR: memory allocation failure\n", filename); + return false; + } + *needs_write = true; + } + else { + FLAC__ASSERT(block->data.vorbis_comment.num_comments == 0); + } + + return true; +} + +FLAC__bool remove_vc_all_except(const char *filename, FLAC__StreamMetadata *block, const char *field_name, FLAC__bool *needs_write) +{ + char * field_names[200]; + uint32_t field_name_length, i; + int j, num_field_names; + + FLAC__ASSERT(0 != block); + FLAC__ASSERT(block->type == FLAC__METADATA_TYPE_VORBIS_COMMENT); + FLAC__ASSERT(0 != needs_write); + + field_name_length = strlen(field_name); + field_names[0] = (void *)field_name; + + for(num_field_names = 1; num_field_names < 200; num_field_names++) { + char * separator = strchr(field_names[num_field_names-1], '='); + if(separator == 0 || separator >= field_name + field_name_length) + break; + field_names[num_field_names] = separator+1; + } + + if(num_field_names > 200) { + flac_fprintf(stderr, "%s: ERROR: too many field names\n", filename); + return false; + } + + for(i = 0; i < block->data.vorbis_comment.num_comments; ) { + int field_name_found = false; + for(j = 0; j < num_field_names; j++) { + const uint32_t length = (j == (num_field_names - 1))?(uint32_t)strlen(field_names[j]):(uint32_t)(strchr(field_names[j],'=')-field_names[j]); + if(FLAC__metadata_object_vorbiscomment_entry_matches(block->data.vorbis_comment.comments[i], field_names[j], length)) { + field_name_found = true; + break; + } + } + if(!field_name_found) { + FLAC__metadata_object_vorbiscomment_delete_comment(block, i); + *needs_write = true; + } + else + i++; + } + + return true; +} + +FLAC__bool remove_vc_field(const char *filename, FLAC__StreamMetadata *block, const char *field_name, FLAC__bool *needs_write) +{ + int n; + + FLAC__ASSERT(0 != needs_write); + + n = FLAC__metadata_object_vorbiscomment_remove_entries_matching(block, field_name); + + if(n < 0) { + flac_fprintf(stderr, "%s: ERROR: memory allocation failure\n", filename); + return false; + } + else if(n > 0) + *needs_write = true; + + return true; +} + +FLAC__bool remove_vc_firstfield(const char *filename, FLAC__StreamMetadata *block, const char *field_name, FLAC__bool *needs_write) +{ + int n; + + FLAC__ASSERT(0 != needs_write); + + n = FLAC__metadata_object_vorbiscomment_remove_entry_matching(block, field_name); + + if(n < 0) { + flac_fprintf(stderr, "%s: ERROR: memory allocation failure\n", filename); + return false; + } + else if(n > 0) + *needs_write = true; + + return true; +} + +FLAC__bool set_vc_field(const char *filename, FLAC__StreamMetadata *block, const Argument_VcField *field, FLAC__bool *needs_write, FLAC__bool raw) +{ + FLAC__StreamMetadata_VorbisComment_Entry entry; + char *converted; + + FLAC__ASSERT(0 != block); + FLAC__ASSERT(block->type == FLAC__METADATA_TYPE_VORBIS_COMMENT); + FLAC__ASSERT(0 != field); + FLAC__ASSERT(0 != needs_write); + + if(field->field_value_from_file) { + /* read the file into 'data' */ + FILE *f = 0; + char *data = 0; + const FLAC__off_t size = grabbag__file_get_filesize(field->field_value); + if(size < 0) { + flac_fprintf(stderr, "%s: ERROR: can't open file '%s' for '%s' tag value\n", filename, field->field_value, field->field_name); + return false; + } + if(size >= 0x100000) { /* magic arbitrary limit, actual format limit is near 16MB */ + flac_fprintf(stderr, "%s: ERROR: file '%s' for '%s' tag value is too large\n", filename, field->field_value, field->field_name); + return false; + } + if(0 == (data = malloc(size+1))) + die("out of memory allocating tag value"); + data[size] = '\0'; + if(0 == (f = flac_fopen(field->field_value, "rb")) || fread(data, 1, size, f) != (size_t)size) { + flac_fprintf(stderr, "%s: ERROR: while reading file '%s' for '%s' tag value: %s\n", filename, field->field_value, field->field_name, strerror(errno)); + free(data); + if(f) + fclose(f); + return false; + } + fclose(f); + if(strlen(data) != (size_t)size) { + free(data); + flac_fprintf(stderr, "%s: ERROR: file '%s' for '%s' tag value has embedded NULs\n", filename, field->field_value, field->field_name); + return false; + } + + /* move 'data' into 'converted', converting to UTF-8 if necessary */ + if(raw) { + converted = data; + } + else if(utf8_encode(data, &converted) >= 0) { + free(data); + } + else { + free(data); + flac_fprintf(stderr, "%s: ERROR: converting file '%s' contents to UTF-8 for tag value\n", filename, field->field_value); + return false; + } + + /* create and entry and append it */ + if(!FLAC__metadata_object_vorbiscomment_entry_from_name_value_pair(&entry, field->field_name, converted)) { + free(converted); + flac_fprintf(stderr, "%s: ERROR: file '%s' for '%s' tag value is not valid UTF-8\n", filename, field->field_value, field->field_name); + return false; + } + free(converted); + if(!FLAC__metadata_object_vorbiscomment_append_comment(block, entry, /*copy=*/false)) { + flac_fprintf(stderr, "%s: ERROR: memory allocation failure\n", filename); + return false; + } + + *needs_write = true; + return true; + } + else { + FLAC__bool needs_free = false; + entry.entry = (FLAC__byte *)field->field; + if(raw) { + entry.entry = (FLAC__byte *)field->field; + } + else if(utf8_encode(field->field, &converted) >= 0) { + entry.entry = (FLAC__byte *)converted; + needs_free = true; + } + else { + flac_fprintf(stderr, "%s: ERROR: converting comment '%s' to UTF-8\n", filename, field->field); + return false; + } + entry.length = strlen((const char *)entry.entry); + if(!FLAC__format_vorbiscomment_entry_is_legal(entry.entry, entry.length)) { + if(needs_free) + free(converted); + /* + * our previous parsing has already established that the field + * name is OK, so it must be the field value + */ + flac_fprintf(stderr, "%s: ERROR: tag value for '%s' is not valid UTF-8\n", filename, field->field_name); + return false; + } + + if(!FLAC__metadata_object_vorbiscomment_append_comment(block, entry, /*copy=*/true)) { + if(needs_free) + free(converted); + flac_fprintf(stderr, "%s: ERROR: memory allocation failure\n", filename); + return false; + } + + *needs_write = true; + if(needs_free) + free(converted); + return true; + } +} + +FLAC__bool import_vc_from(const char *filename, FLAC__StreamMetadata *block, const Argument_String *vc_filename, FLAC__bool *needs_write, FLAC__bool raw) +{ + FILE *f; + char line[65536]; + FLAC__bool ret; + + if(0 == vc_filename->value || strlen(vc_filename->value) == 0) { + flac_fprintf(stderr, "%s: ERROR: empty import file name\n", filename); + return false; + } + if(0 == strcmp(vc_filename->value, "-")) + f = stdin; + else + f = flac_fopen(vc_filename->value, "r"); + + if(0 == f) { + flac_fprintf(stderr, "%s: ERROR: can't open import file %s: %s\n", filename, vc_filename->value, strerror(errno)); + return false; + } + + ret = true; + while(ret && !feof(f) && fgets(line, sizeof(line), f) != NULL) { + if(!feof(f)) { + char *p = strchr(line, '\n'); + if(0 == p) { + flac_fprintf(stderr, "%s: ERROR: line too long, aborting\n", vc_filename->value); + ret = false; + } + else { + const char *violation; + Argument_VcField field; + *p = '\0'; + memset(&field, 0, sizeof(Argument_VcField)); + field.field_value_from_file = false; + if(!parse_vorbis_comment_field(line, &field.field, &field.field_name, &field.field_value, &field.field_value_length, &violation)) { + FLAC__ASSERT(0 != violation); + flac_fprintf(stderr, "%s: ERROR: malformed vorbis comment field \"%s\",\n %s\n", vc_filename->value, line, violation); + ret = false; + } + else { + ret = set_vc_field(filename, block, &field, needs_write, raw); + } + if(0 != field.field) + free(field.field); + if(0 != field.field_name) + free(field.field_name); + if(0 != field.field_value) + free(field.field_value); + } + } + }; + + if(f != stdin) + fclose(f); + return ret; +} + +FLAC__bool export_vc_to(const char *filename, FLAC__StreamMetadata *block, const Argument_String *vc_filename, FLAC__bool raw) +{ + FILE *f; + FLAC__bool ret; + + if(0 == vc_filename->value || strlen(vc_filename->value) == 0) { + flac_fprintf(stderr, "%s: ERROR: empty export file name\n", filename); + return false; + } + if(0 == strcmp(vc_filename->value, "-")) + f = stdout; + else + f = flac_fopen(vc_filename->value, "w"); + + if(0 == f) { + flac_fprintf(stderr, "%s: ERROR: can't open export file %s: %s\n", filename, vc_filename->value, strerror(errno)); + return false; + } + + ret = true; + + write_vc_fields(0, 0, block->data.vorbis_comment.comments, block->data.vorbis_comment.num_comments, raw, f); + + if(f != stdout) + fclose(f); + +#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION + /* Delete output file when fuzzing */ + if(f != stdout) + flac_unlink(vc_filename->value); +#endif + + return ret; +} diff --git a/src/metaflac/options.c b/src/metaflac/options.c new file mode 100644 index 0000000..1b4b6f6 --- /dev/null +++ b/src/metaflac/options.c @@ -0,0 +1,1146 @@ +/* metaflac - Command-line FLAC metadata editor + * Copyright (C) 2001-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include "options.h" +#include "usage.h" +#include "utils.h" +#include "FLAC/assert.h" +#include "share/alloc.h" +#include "share/compat.h" +#include "share/grabbag/replaygain.h" +#include <ctype.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +/* + share__getopt format struct; note we don't use short options so we just + set the 'val' field to 0 everywhere to indicate a valid option. +*/ +struct share__option long_options_[] = { + /* global options */ + { "preserve-modtime", 0, 0, 0 }, + { "with-filename", 0, 0, 0 }, + { "no-filename", 0, 0, 0 }, + { "no-utf8-convert", 0, 0, 0 }, + { "dont-use-padding", 0, 0, 0 }, + { "no-cued-seekpoints", 0, 0, 0 }, + /* shorthand operations */ + { "show-md5sum", 0, 0, 0 }, + { "show-min-blocksize", 0, 0, 0 }, + { "show-max-blocksize", 0, 0, 0 }, + { "show-min-framesize", 0, 0, 0 }, + { "show-max-framesize", 0, 0, 0 }, + { "show-sample-rate", 0, 0, 0 }, + { "show-channels", 0, 0, 0 }, + { "show-bps", 0, 0, 0 }, + { "show-total-samples", 0, 0, 0 }, + { "set-md5sum", 1, 0, 0 }, /* undocumented */ + { "set-min-blocksize", 1, 0, 0 }, /* undocumented */ + { "set-max-blocksize", 1, 0, 0 }, /* undocumented */ + { "set-min-framesize", 1, 0, 0 }, /* undocumented */ + { "set-max-framesize", 1, 0, 0 }, /* undocumented */ + { "set-sample-rate", 1, 0, 0 }, /* undocumented */ + { "set-channels", 1, 0, 0 }, /* undocumented */ + { "set-bps", 1, 0, 0 }, /* undocumented */ + { "set-total-samples", 1, 0, 0 }, /* undocumented */ /* WATCHOUT: used by test/test_flac.sh on windows */ + { "show-vendor-tag", 0, 0, 0 }, + { "show-all-tags", 0, 0, 0 }, + { "show-tag", 1, 0, 0 }, + { "remove-all-tags", 0, 0, 0 }, + { "remove-all-tags-except", 1, 0, 0 }, + { "remove-tag", 1, 0, 0 }, + { "remove-first-tag", 1, 0, 0 }, + { "set-tag", 1, 0, 0 }, + { "set-tag-from-file", 1, 0, 0 }, + { "import-tags-from", 1, 0, 0 }, + { "export-tags-to", 1, 0, 0 }, + { "import-cuesheet-from", 1, 0, 0 }, + { "export-cuesheet-to", 1, 0, 0 }, + { "import-picture-from", 1, 0, 0 }, + { "export-picture-to", 1, 0, 0 }, + { "add-seekpoint", 1, 0, 0 }, + { "add-replay-gain", 0, 0, 0 }, + { "scan-replay-gain", 0, 0, 0 }, + { "remove-replay-gain", 0, 0, 0 }, + { "add-padding", 1, 0, 0 }, + /* major operations */ + { "help", 0, 0, 0 }, + { "version", 0, 0, 0 }, + { "list", 0, 0, 0 }, + { "append", 0, 0, 0 }, + { "remove", 0, 0, 0 }, + { "remove-all", 0, 0, 0 }, + { "merge-padding", 0, 0, 0 }, + { "sort-padding", 0, 0, 0 }, + /* major operation arguments */ + { "block-number", 1, 0, 0 }, + { "block-type", 1, 0, 0 }, + { "except-block-type", 1, 0, 0 }, + { "data-format", 1, 0, 0 }, + { "application-data-format", 1, 0, 0 }, + { "from-file", 1, 0, 0 }, + {0, 0, 0, 0} +}; + +static FLAC__bool parse_option(int option_index, const char *option_argument, CommandLineOptions *options); +static void append_new_operation(CommandLineOptions *options, Operation operation); +static void append_new_argument(CommandLineOptions *options, Argument argument); +static Operation *append_major_operation(CommandLineOptions *options, OperationType type); +static Operation *append_shorthand_operation(CommandLineOptions *options, OperationType type); +static Argument *find_argument(CommandLineOptions *options, ArgumentType type); +static Operation *find_shorthand_operation(CommandLineOptions *options, OperationType type); +static Argument *append_argument(CommandLineOptions *options, ArgumentType type); +static FLAC__bool parse_md5(const char *src, FLAC__byte dest[16]); +static FLAC__bool parse_uint32(const char *src, FLAC__uint32 *dest); +static FLAC__bool parse_uint64(const char *src, FLAC__uint64 *dest); +static FLAC__bool parse_string(const char *src, char **dest); +static FLAC__bool parse_vorbis_comment_field_name(const char *field_ref, char **name, const char **violation); +static FLAC__bool parse_vorbis_comment_field_names(const char *field_ref, char **names, const char **violation); +static FLAC__bool parse_add_seekpoint(const char *in, char **out, const char **violation); +static FLAC__bool parse_add_padding(const char *in, unsigned *out); +static FLAC__bool parse_block_number(const char *in, Argument_BlockNumber *out); +static FLAC__bool parse_block_type(const char *in, Argument_BlockType *out); +static FLAC__bool parse_data_format(const char *in, Argument_DataFormat *out); +static FLAC__bool parse_application_data_format(const char *in, FLAC__bool *out); +static void undocumented_warning(const char *opt); + + +void init_options(CommandLineOptions *options) +{ + options->preserve_modtime = false; + + /* '2' is a hack to mean "use default if not forced on command line" */ + FLAC__ASSERT(true != 2); + options->prefix_with_filename = 2; + + options->utf8_convert = true; + options->use_padding = true; + options->cued_seekpoints = true; + options->show_long_help = false; + options->show_version = false; + options->data_format_is_binary = false; + options->data_format_is_binary_headerless = false; + options->application_data_format_is_hexdump = false; + + options->ops.operations = 0; + options->ops.num_operations = 0; + options->ops.capacity = 0; + + options->args.arguments = 0; + options->args.num_arguments = 0; + options->args.capacity = 0; + + options->args.checks.num_shorthand_ops = 0; + options->args.checks.num_major_ops = 0; + options->args.checks.has_block_type = false; + options->args.checks.has_except_block_type = false; + + options->num_files = 0; + options->filenames = 0; +} + +FLAC__bool parse_options(int argc, char *argv[], CommandLineOptions *options) +{ + int ret; + int option_index = 1; + FLAC__bool had_error = false; + + while ((ret = share__getopt_long(argc, argv, "", long_options_, &option_index)) != -1) { + switch (ret) { + case 0: + had_error |= !parse_option(option_index, share__optarg, options); + break; + case '?': + case ':': + had_error = true; + break; + default: + FLAC__ASSERT(0); + break; + } + } + + if(options->prefix_with_filename == 2) + options->prefix_with_filename = (argc - share__optind > 1); + + if(share__optind >= argc && !options->show_long_help && !options->show_version) { + flac_fprintf(stderr,"ERROR: you must specify at least one FLAC file;\n"); + flac_fprintf(stderr," metaflac cannot be used as a pipe\n"); + had_error = true; + } + + options->num_files = argc - share__optind; + + if(options->num_files > 0) { + unsigned i = 0; + if(0 == (options->filenames = safe_malloc_mul_2op_(sizeof(char*), /*times*/options->num_files))) + die("out of memory allocating space for file names list"); + while(share__optind < argc) + options->filenames[i++] = local_strdup(argv[share__optind++]); + } + + if(options->args.checks.num_major_ops > 0) { + if(options->args.checks.num_major_ops > 1) { + flac_fprintf(stderr, "ERROR: you may only specify one major operation at a time\n"); + had_error = true; + } + else if(options->args.checks.num_shorthand_ops > 0) { + flac_fprintf(stderr, "ERROR: you may not mix shorthand and major operations\n"); + had_error = true; + } + } + + /* check for only one FLAC file used with certain options */ + if(!had_error && options->num_files > 1) { + if(0 != find_shorthand_operation(options, OP__IMPORT_CUESHEET_FROM)) { + flac_fprintf(stderr, "ERROR: you may only specify one FLAC file when using '--import-cuesheet-from'\n"); + had_error = true; + } + if(0 != find_shorthand_operation(options, OP__EXPORT_CUESHEET_TO)) { + flac_fprintf(stderr, "ERROR: you may only specify one FLAC file when using '--export-cuesheet-to'\n"); + had_error = true; + } + if(0 != find_shorthand_operation(options, OP__EXPORT_PICTURE_TO)) { + flac_fprintf(stderr, "ERROR: you may only specify one FLAC file when using '--export-picture-to'\n"); + had_error = true; + } + if( + 0 != find_shorthand_operation(options, OP__IMPORT_VC_FROM) && + 0 == strcmp(find_shorthand_operation(options, OP__IMPORT_VC_FROM)->argument.filename.value, "-") + ) { + flac_fprintf(stderr, "ERROR: you may only specify one FLAC file when using '--import-tags-from=-'\n"); + had_error = true; + } + } + + if(options->args.checks.has_block_type && options->args.checks.has_except_block_type) { + flac_fprintf(stderr, "ERROR: you may not specify both '--block-type' and '--except-block-type'\n"); + had_error = true; + } + + if(had_error) + short_usage(0); + + /* + * We need to create an OP__ADD_SEEKPOINT operation if there is + * not one already, and --import-cuesheet-from was specified but + * --no-cued-seekpoints was not: + */ + if(options->cued_seekpoints) { + Operation *op = find_shorthand_operation(options, OP__IMPORT_CUESHEET_FROM); + if(0 != op) { + Operation *op2 = find_shorthand_operation(options, OP__ADD_SEEKPOINT); + if(0 == op2) + op2 = append_shorthand_operation(options, OP__ADD_SEEKPOINT); + op->argument.import_cuesheet_from.add_seekpoint_link = &(op2->argument.add_seekpoint); + } + } + + return had_error; +} + +void free_options(CommandLineOptions *options) +{ + unsigned i; + Operation *op; + Argument *arg; + + FLAC__ASSERT(0 == options->ops.operations || options->ops.num_operations > 0); + FLAC__ASSERT(0 == options->args.arguments || options->args.num_arguments > 0); + + for(i = 0, op = options->ops.operations; i < options->ops.num_operations; i++, op++) { + switch(op->type) { + case OP__SHOW_VC_FIELD: + case OP__REMOVE_VC_FIELD: + case OP__REMOVE_VC_FIRSTFIELD: + case OP__REMOVE_VC_ALL_EXCEPT: + if(0 != op->argument.vc_field_name.value) + free(op->argument.vc_field_name.value); + break; + case OP__SET_VC_FIELD: + if(0 != op->argument.vc_field.field) + free(op->argument.vc_field.field); + if(0 != op->argument.vc_field.field_name) + free(op->argument.vc_field.field_name); + if(0 != op->argument.vc_field.field_value) + free(op->argument.vc_field.field_value); + break; + case OP__IMPORT_VC_FROM: + case OP__EXPORT_VC_TO: + case OP__EXPORT_CUESHEET_TO: + if(0 != op->argument.filename.value) + free(op->argument.filename.value); + break; + case OP__IMPORT_CUESHEET_FROM: + if(0 != op->argument.import_cuesheet_from.filename) + free(op->argument.import_cuesheet_from.filename); + break; + case OP__IMPORT_PICTURE_FROM: + if(0 != op->argument.specification.value) + free(op->argument.specification.value); + break; + case OP__EXPORT_PICTURE_TO: + if(0 != op->argument.export_picture_to.filename) + free(op->argument.export_picture_to.filename); + break; + case OP__ADD_SEEKPOINT: + if(0 != op->argument.add_seekpoint.specification) + free(op->argument.add_seekpoint.specification); + break; + default: + break; + } + } + + for(i = 0, arg = options->args.arguments; i < options->args.num_arguments; i++, arg++) { + switch(arg->type) { + case ARG__BLOCK_NUMBER: + if(0 != arg->value.block_number.entries) + free(arg->value.block_number.entries); + break; + case ARG__BLOCK_TYPE: + case ARG__EXCEPT_BLOCK_TYPE: + if(0 != arg->value.block_type.entries) + free(arg->value.block_type.entries); + break; + case ARG__FROM_FILE: + if(0 != arg->value.from_file.file_name) + free(arg->value.from_file.file_name); + break; + default: + break; + } + } + + if(0 != options->ops.operations) + free(options->ops.operations); + + if(0 != options->args.arguments) + free(options->args.arguments); + + if(0 != options->filenames) { + for(i = 0; i < options->num_files; i++) { + if(0 != options->filenames[i]) + free(options->filenames[i]); + } + free(options->filenames); + } +} + +/* + * local routines + */ + +FLAC__bool parse_option(int option_index, const char *option_argument, CommandLineOptions *options) +{ + const char *opt = long_options_[option_index].name; + Operation *op; + Argument *arg; + FLAC__bool ok = true; + + if(0 == strcmp(opt, "preserve-modtime")) { + options->preserve_modtime = true; + } + else if(0 == strcmp(opt, "with-filename")) { + options->prefix_with_filename = true; + } + else if(0 == strcmp(opt, "no-filename")) { + options->prefix_with_filename = false; + } + else if(0 == strcmp(opt, "no-utf8-convert")) { + options->utf8_convert = false; + } + else if(0 == strcmp(opt, "dont-use-padding")) { + options->use_padding = false; + } + else if(0 == strcmp(opt, "no-cued-seekpoints")) { + options->cued_seekpoints = false; + } + else if(0 == strcmp(opt, "show-md5sum")) { + (void) append_shorthand_operation(options, OP__SHOW_MD5SUM); + } + else if(0 == strcmp(opt, "show-min-blocksize")) { + (void) append_shorthand_operation(options, OP__SHOW_MIN_BLOCKSIZE); + } + else if(0 == strcmp(opt, "show-max-blocksize")) { + (void) append_shorthand_operation(options, OP__SHOW_MAX_BLOCKSIZE); + } + else if(0 == strcmp(opt, "show-min-framesize")) { + (void) append_shorthand_operation(options, OP__SHOW_MIN_FRAMESIZE); + } + else if(0 == strcmp(opt, "show-max-framesize")) { + (void) append_shorthand_operation(options, OP__SHOW_MAX_FRAMESIZE); + } + else if(0 == strcmp(opt, "show-sample-rate")) { + (void) append_shorthand_operation(options, OP__SHOW_SAMPLE_RATE); + } + else if(0 == strcmp(opt, "show-channels")) { + (void) append_shorthand_operation(options, OP__SHOW_CHANNELS); + } + else if(0 == strcmp(opt, "show-bps")) { + (void) append_shorthand_operation(options, OP__SHOW_BPS); + } + else if(0 == strcmp(opt, "show-total-samples")) { + (void) append_shorthand_operation(options, OP__SHOW_TOTAL_SAMPLES); + } + else if(0 == strcmp(opt, "set-md5sum")) { + op = append_shorthand_operation(options, OP__SET_MD5SUM); + FLAC__ASSERT(0 != option_argument); + if(!parse_md5(option_argument, op->argument.streaminfo_md5.value)) { + flac_fprintf(stderr, "ERROR (--%s): bad MD5 sum\n", opt); + ok = false; + } + else + undocumented_warning(opt); + } + else if(0 == strcmp(opt, "set-min-blocksize")) { + op = append_shorthand_operation(options, OP__SET_MIN_BLOCKSIZE); + if(!parse_uint32(option_argument, &(op->argument.streaminfo_uint32.value)) || op->argument.streaminfo_uint32.value < FLAC__MIN_BLOCK_SIZE || op->argument.streaminfo_uint32.value > FLAC__MAX_BLOCK_SIZE) { + flac_fprintf(stderr, "ERROR (--%s): value must be >= %u and <= %u\n", opt, FLAC__MIN_BLOCK_SIZE, FLAC__MAX_BLOCK_SIZE); + ok = false; + } + else + undocumented_warning(opt); + } + else if(0 == strcmp(opt, "set-max-blocksize")) { + op = append_shorthand_operation(options, OP__SET_MAX_BLOCKSIZE); + if(!parse_uint32(option_argument, &(op->argument.streaminfo_uint32.value)) || op->argument.streaminfo_uint32.value < FLAC__MIN_BLOCK_SIZE || op->argument.streaminfo_uint32.value > FLAC__MAX_BLOCK_SIZE) { + flac_fprintf(stderr, "ERROR (--%s): value must be >= %u and <= %u\n", opt, FLAC__MIN_BLOCK_SIZE, FLAC__MAX_BLOCK_SIZE); + ok = false; + } + else + undocumented_warning(opt); + } + else if(0 == strcmp(opt, "set-min-framesize")) { + op = append_shorthand_operation(options, OP__SET_MIN_FRAMESIZE); + if(!parse_uint32(option_argument, &(op->argument.streaminfo_uint32.value)) || op->argument.streaminfo_uint32.value >= (1u<<FLAC__STREAM_METADATA_STREAMINFO_MIN_FRAME_SIZE_LEN)) { + flac_fprintf(stderr, "ERROR (--%s): value must be a %u-bit unsigned integer\n", opt, FLAC__STREAM_METADATA_STREAMINFO_MIN_FRAME_SIZE_LEN); + ok = false; + } + else + undocumented_warning(opt); + } + else if(0 == strcmp(opt, "set-max-framesize")) { + op = append_shorthand_operation(options, OP__SET_MAX_FRAMESIZE); + if(!parse_uint32(option_argument, &(op->argument.streaminfo_uint32.value)) || op->argument.streaminfo_uint32.value >= (1u<<FLAC__STREAM_METADATA_STREAMINFO_MAX_FRAME_SIZE_LEN)) { + flac_fprintf(stderr, "ERROR (--%s): value must be a %u-bit unsigned integer\n", opt, FLAC__STREAM_METADATA_STREAMINFO_MAX_FRAME_SIZE_LEN); + ok = false; + } + else + undocumented_warning(opt); + } + else if(0 == strcmp(opt, "set-sample-rate")) { + op = append_shorthand_operation(options, OP__SET_SAMPLE_RATE); + if(!parse_uint32(option_argument, &(op->argument.streaminfo_uint32.value)) || !FLAC__format_sample_rate_is_valid(op->argument.streaminfo_uint32.value)) { + flac_fprintf(stderr, "ERROR (--%s): invalid sample rate\n", opt); + ok = false; + } + else + undocumented_warning(opt); + } + else if(0 == strcmp(opt, "set-channels")) { + op = append_shorthand_operation(options, OP__SET_CHANNELS); + if(!parse_uint32(option_argument, &(op->argument.streaminfo_uint32.value)) || op->argument.streaminfo_uint32.value > FLAC__MAX_CHANNELS) { + flac_fprintf(stderr, "ERROR (--%s): value must be > 0 and <= %u\n", opt, FLAC__MAX_CHANNELS); + ok = false; + } + else + undocumented_warning(opt); + } + else if(0 == strcmp(opt, "set-bps")) { + op = append_shorthand_operation(options, OP__SET_BPS); + if(!parse_uint32(option_argument, &(op->argument.streaminfo_uint32.value)) || op->argument.streaminfo_uint32.value < FLAC__MIN_BITS_PER_SAMPLE || op->argument.streaminfo_uint32.value > FLAC__MAX_BITS_PER_SAMPLE) { + flac_fprintf(stderr, "ERROR (--%s): value must be >= %u and <= %u\n", opt, FLAC__MIN_BITS_PER_SAMPLE, FLAC__MAX_BITS_PER_SAMPLE); + ok = false; + } + else + undocumented_warning(opt); + } + else if(0 == strcmp(opt, "set-total-samples")) { + op = append_shorthand_operation(options, OP__SET_TOTAL_SAMPLES); + if(!parse_uint64(option_argument, &(op->argument.streaminfo_uint64.value)) || op->argument.streaminfo_uint64.value >= (((FLAC__uint64)1)<<FLAC__STREAM_METADATA_STREAMINFO_TOTAL_SAMPLES_LEN)) { + flac_fprintf(stderr, "ERROR (--%s): value must be a %u-bit unsigned integer\n", opt, FLAC__STREAM_METADATA_STREAMINFO_TOTAL_SAMPLES_LEN); + ok = false; + } + else + undocumented_warning(opt); + } + else if(0 == strcmp(opt, "show-vendor-tag")) { + (void) append_shorthand_operation(options, OP__SHOW_VC_VENDOR); + } + else if(0 == strcmp(opt, "show-tag")) { + const char *violation; + op = append_shorthand_operation(options, OP__SHOW_VC_FIELD); + FLAC__ASSERT(0 != option_argument); + if(!parse_vorbis_comment_field_name(option_argument, &(op->argument.vc_field_name.value), &violation)) { + FLAC__ASSERT(0 != violation); + flac_fprintf(stderr, "ERROR (--%s): malformed vorbis comment field name \"%s\",\n %s\n", opt, option_argument, violation); + ok = false; + } + } + else if(0 == strcmp(opt, "show-all-tags")) { + op = append_shorthand_operation(options, OP__EXPORT_VC_TO); + parse_string("-",&op->argument.filename.value); + } + else if(0 == strcmp(opt, "remove-all-tags")) { + (void) append_shorthand_operation(options, OP__REMOVE_VC_ALL); + } + else if(0 == strcmp(opt, "remove-all-tags-except")) { + const char *violation; + op = append_shorthand_operation(options, OP__REMOVE_VC_ALL_EXCEPT); + FLAC__ASSERT(0 != option_argument); + if(!parse_vorbis_comment_field_names(option_argument, &(op->argument.vc_field_name.value), &violation)) { + FLAC__ASSERT(0 != violation); + flac_fprintf(stderr, "ERROR (--%s): malformed vorbis comment field name \"%s\",\n %s\n", opt, option_argument, violation); + ok = false; + } + } + else if(0 == strcmp(opt, "remove-tag")) { + const char *violation; + op = append_shorthand_operation(options, OP__REMOVE_VC_FIELD); + FLAC__ASSERT(0 != option_argument); + if(!parse_vorbis_comment_field_name(option_argument, &(op->argument.vc_field_name.value), &violation)) { + FLAC__ASSERT(0 != violation); + flac_fprintf(stderr, "ERROR (--%s): malformed vorbis comment field name \"%s\",\n %s\n", opt, option_argument, violation); + ok = false; + } + } + else if(0 == strcmp(opt, "remove-first-tag")) { + const char *violation; + op = append_shorthand_operation(options, OP__REMOVE_VC_FIRSTFIELD); + FLAC__ASSERT(0 != option_argument); + if(!parse_vorbis_comment_field_name(option_argument, &(op->argument.vc_field_name.value), &violation)) { + FLAC__ASSERT(0 != violation); + flac_fprintf(stderr, "ERROR (--%s): malformed vorbis comment field name \"%s\",\n %s\n", opt, option_argument, violation); + ok = false; + } + } + else if(0 == strcmp(opt, "set-tag")) { + const char *violation; + op = append_shorthand_operation(options, OP__SET_VC_FIELD); + FLAC__ASSERT(0 != option_argument); + op->argument.vc_field.field_value_from_file = false; + if(!parse_vorbis_comment_field(option_argument, &(op->argument.vc_field.field), &(op->argument.vc_field.field_name), &(op->argument.vc_field.field_value), &(op->argument.vc_field.field_value_length), &violation)) { + FLAC__ASSERT(0 != violation); + flac_fprintf(stderr, "ERROR (--%s): malformed vorbis comment field \"%s\",\n %s\n", opt, option_argument, violation); + ok = false; + } + } + else if(0 == strcmp(opt, "set-tag-from-file")) { + const char *violation; + op = append_shorthand_operation(options, OP__SET_VC_FIELD); + FLAC__ASSERT(0 != option_argument); + op->argument.vc_field.field_value_from_file = true; + if(!parse_vorbis_comment_field(option_argument, &(op->argument.vc_field.field), &(op->argument.vc_field.field_name), &(op->argument.vc_field.field_value), &(op->argument.vc_field.field_value_length), &violation)) { + FLAC__ASSERT(0 != violation); + flac_fprintf(stderr, "ERROR (--%s): malformed vorbis comment field \"%s\",\n %s\n", opt, option_argument, violation); + ok = false; + } + } + else if(0 == strcmp(opt, "import-tags-from")) { + op = append_shorthand_operation(options, OP__IMPORT_VC_FROM); + FLAC__ASSERT(0 != option_argument); + if(!parse_string(option_argument, &(op->argument.filename.value))) { + flac_fprintf(stderr, "ERROR (--%s): missing filename\n", opt); + ok = false; + } + } + else if(0 == strcmp(opt, "export-tags-to")) { + op = append_shorthand_operation(options, OP__EXPORT_VC_TO); + FLAC__ASSERT(0 != option_argument); + if(!parse_string(option_argument, &(op->argument.filename.value))) { + flac_fprintf(stderr, "ERROR (--%s): missing filename\n", opt); + ok = false; + } + } + else if(0 == strcmp(opt, "import-cuesheet-from")) { + if(0 != find_shorthand_operation(options, OP__IMPORT_CUESHEET_FROM)) { + flac_fprintf(stderr, "ERROR (--%s): may be specified only once\n", opt); + ok = false; + } + op = append_shorthand_operation(options, OP__IMPORT_CUESHEET_FROM); + FLAC__ASSERT(0 != option_argument); + if(!parse_string(option_argument, &(op->argument.import_cuesheet_from.filename))) { + flac_fprintf(stderr, "ERROR (--%s): missing filename\n", opt); + ok = false; + } + } + else if(0 == strcmp(opt, "export-cuesheet-to")) { + op = append_shorthand_operation(options, OP__EXPORT_CUESHEET_TO); + FLAC__ASSERT(0 != option_argument); + if(!parse_string(option_argument, &(op->argument.filename.value))) { + flac_fprintf(stderr, "ERROR (--%s): missing filename\n", opt); + ok = false; + } + } + else if(0 == strcmp(opt, "import-picture-from")) { + op = append_shorthand_operation(options, OP__IMPORT_PICTURE_FROM); + FLAC__ASSERT(0 != option_argument); + if(!parse_string(option_argument, &(op->argument.specification.value))) { + flac_fprintf(stderr, "ERROR (--%s): missing specification\n", opt); + ok = false; + } + } + else if(0 == strcmp(opt, "export-picture-to")) { + arg = find_argument(options, ARG__BLOCK_NUMBER); + op = append_shorthand_operation(options, OP__EXPORT_PICTURE_TO); + FLAC__ASSERT(0 != option_argument); + if(!parse_string(option_argument, &(op->argument.export_picture_to.filename))) { + flac_fprintf(stderr, "ERROR (--%s): missing filename\n", opt); + ok = false; + } + op->argument.export_picture_to.block_number_link = arg? &(arg->value.block_number) : 0; + } + else if(0 == strcmp(opt, "add-seekpoint")) { + const char *violation; + char *spec; + FLAC__ASSERT(0 != option_argument); + if(!parse_add_seekpoint(option_argument, &spec, &violation)) { + FLAC__ASSERT(0 != violation); + flac_fprintf(stderr, "ERROR (--%s): malformed seekpoint specification \"%s\",\n %s\n", opt, option_argument, violation); + ok = false; + } + else { + op = find_shorthand_operation(options, OP__ADD_SEEKPOINT); + if(0 == op) + op = append_shorthand_operation(options, OP__ADD_SEEKPOINT); + local_strcat(&(op->argument.add_seekpoint.specification), spec); + local_strcat(&(op->argument.add_seekpoint.specification), ";"); + free(spec); + } + } + else if(0 == strcmp(opt, "add-replay-gain")) { + (void) append_shorthand_operation(options, OP__ADD_REPLAY_GAIN); + } + else if(0 == strcmp(opt, "scan-replay-gain")) { + (void) append_shorthand_operation(options, OP__SCAN_REPLAY_GAIN); + } + else if(0 == strcmp(opt, "remove-replay-gain")) { + const FLAC__byte * const tags[5] = { + GRABBAG__REPLAYGAIN_TAG_REFERENCE_LOUDNESS, + GRABBAG__REPLAYGAIN_TAG_TITLE_GAIN, + GRABBAG__REPLAYGAIN_TAG_TITLE_PEAK, + GRABBAG__REPLAYGAIN_TAG_ALBUM_GAIN, + GRABBAG__REPLAYGAIN_TAG_ALBUM_PEAK + }; + size_t i; + for(i = 0; i < sizeof(tags)/sizeof(tags[0]); i++) { + op = append_shorthand_operation(options, OP__REMOVE_VC_FIELD); + op->argument.vc_field_name.value = local_strdup((const char *)tags[i]); + } + } + else if(0 == strcmp(opt, "add-padding")) { + op = append_shorthand_operation(options, OP__ADD_PADDING); + FLAC__ASSERT(0 != option_argument); + if(!parse_add_padding(option_argument, &(op->argument.add_padding.length))) { + flac_fprintf(stderr, "ERROR (--%s): illegal length \"%s\", length must be >= 0 and < 2^%u\n", opt, option_argument, FLAC__STREAM_METADATA_LENGTH_LEN); + ok = false; + } + } + else if(0 == strcmp(opt, "help")) { + options->show_long_help = true; + } + else if(0 == strcmp(opt, "version")) { + options->show_version = true; + } + else if(0 == strcmp(opt, "list")) { + (void) append_major_operation(options, OP__LIST); + } + else if(0 == strcmp(opt, "append")) { + (void) append_major_operation(options, OP__APPEND); + } + else if(0 == strcmp(opt, "remove")) { + (void) append_major_operation(options, OP__REMOVE); + } + else if(0 == strcmp(opt, "remove-all")) { + (void) append_major_operation(options, OP__REMOVE_ALL); + } + else if(0 == strcmp(opt, "merge-padding")) { + (void) append_major_operation(options, OP__MERGE_PADDING); + } + else if(0 == strcmp(opt, "sort-padding")) { + (void) append_major_operation(options, OP__SORT_PADDING); + } + else if(0 == strcmp(opt, "block-number")) { + arg = append_argument(options, ARG__BLOCK_NUMBER); + FLAC__ASSERT(0 != option_argument); + if(!parse_block_number(option_argument, &(arg->value.block_number))) { + flac_fprintf(stderr, "ERROR: malformed block number specification \"%s\"\n", option_argument); + ok = false; + } + } + else if(0 == strcmp(opt, "block-type")) { + arg = append_argument(options, ARG__BLOCK_TYPE); + FLAC__ASSERT(0 != option_argument); + if(!parse_block_type(option_argument, &(arg->value.block_type))) { + flac_fprintf(stderr, "ERROR (--%s): malformed block type specification \"%s\"\n", opt, option_argument); + ok = false; + } + options->args.checks.has_block_type = true; + } + else if(0 == strcmp(opt, "except-block-type")) { + arg = append_argument(options, ARG__EXCEPT_BLOCK_TYPE); + FLAC__ASSERT(0 != option_argument); + if(!parse_block_type(option_argument, &(arg->value.block_type))) { + flac_fprintf(stderr, "ERROR (--%s): malformed block type specification \"%s\"\n", opt, option_argument); + ok = false; + } + options->args.checks.has_except_block_type = true; + } + else if(0 == strcmp(opt, "data-format")) { + arg = append_argument(options, ARG__DATA_FORMAT); + FLAC__ASSERT(0 != option_argument); + if(!parse_data_format(option_argument, &(arg->value.data_format))) { + flac_fprintf(stderr, "ERROR (--%s): illegal data format \"%s\"\n", opt, option_argument); + ok = false; + } + options->data_format_is_binary = arg->value.data_format.is_binary; + options->data_format_is_binary_headerless = arg->value.data_format.is_headerless; + } + else if(0 == strcmp(opt, "application-data-format")) { + FLAC__ASSERT(0 != option_argument); + if(!parse_application_data_format(option_argument, &(options->application_data_format_is_hexdump))) { + flac_fprintf(stderr, "ERROR (--%s): illegal application data format \"%s\"\n", opt, option_argument); + ok = false; + } + } + else if(0 == strcmp(opt, "from-file")) { + arg = append_argument(options, ARG__FROM_FILE); + FLAC__ASSERT(0 != option_argument); + arg->value.from_file.file_name = local_strdup(option_argument); + } + else { + FLAC__ASSERT(0); + } + + return ok; +} + +void append_new_operation(CommandLineOptions *options, Operation operation) +{ + if(options->ops.capacity == 0) { + options->ops.capacity = 50; + if(0 == (options->ops.operations = malloc(sizeof(Operation) * options->ops.capacity))) + die("out of memory allocating space for option list"); + memset(options->ops.operations, 0, sizeof(Operation) * options->ops.capacity); + } + if(options->ops.capacity <= options->ops.num_operations) { + unsigned original_capacity = options->ops.capacity; + if(options->ops.capacity > UINT32_MAX / 2) /* overflow check */ + die("out of memory allocating space for option list"); + options->ops.capacity *= 2; + if(0 == (options->ops.operations = safe_realloc_mul_2op_(options->ops.operations, sizeof(Operation), /*times*/options->ops.capacity))) + die("out of memory allocating space for option list"); + memset(options->ops.operations + original_capacity, 0, sizeof(Operation) * (options->ops.capacity - original_capacity)); + } + + options->ops.operations[options->ops.num_operations++] = operation; +} + +void append_new_argument(CommandLineOptions *options, Argument argument) +{ + if(options->args.capacity == 0) { + options->args.capacity = 50; + if(0 == (options->args.arguments = malloc(sizeof(Argument) * options->args.capacity))) + die("out of memory allocating space for option list"); + memset(options->args.arguments, 0, sizeof(Argument) * options->args.capacity); + } + if(options->args.capacity <= options->args.num_arguments) { + unsigned original_capacity = options->args.capacity; + if(options->args.capacity > UINT32_MAX / 2) /* overflow check */ + die("out of memory allocating space for option list"); + options->args.capacity *= 2; + if(0 == (options->args.arguments = safe_realloc_mul_2op_(options->args.arguments, sizeof(Argument), /*times*/options->args.capacity))) + die("out of memory allocating space for option list"); + memset(options->args.arguments + original_capacity, 0, sizeof(Argument) * (options->args.capacity - original_capacity)); + } + + options->args.arguments[options->args.num_arguments++] = argument; +} + +Operation *append_major_operation(CommandLineOptions *options, OperationType type) +{ + Operation op; + memset(&op, 0, sizeof(op)); + op.type = type; + append_new_operation(options, op); + options->args.checks.num_major_ops++; + return options->ops.operations + (options->ops.num_operations - 1); +} + +Operation *append_shorthand_operation(CommandLineOptions *options, OperationType type) +{ + Operation op; + memset(&op, 0, sizeof(op)); + op.type = type; + append_new_operation(options, op); + options->args.checks.num_shorthand_ops++; + return options->ops.operations + (options->ops.num_operations - 1); +} + +Argument *find_argument(CommandLineOptions *options, ArgumentType type) +{ + unsigned i; + for(i = 0; i < options->args.num_arguments; i++) + if(options->args.arguments[i].type == type) + return &options->args.arguments[i]; + return 0; +} + +Operation *find_shorthand_operation(CommandLineOptions *options, OperationType type) +{ + unsigned i; + for(i = 0; i < options->ops.num_operations; i++) + if(options->ops.operations[i].type == type) + return &options->ops.operations[i]; + return 0; +} + +Argument *append_argument(CommandLineOptions *options, ArgumentType type) +{ + Argument arg; + memset(&arg, 0, sizeof(arg)); + arg.type = type; + append_new_argument(options, arg); + return options->args.arguments + (options->args.num_arguments - 1); +} + +FLAC__bool parse_md5(const char *src, FLAC__byte dest[16]) +{ + unsigned i, d; + int c; + FLAC__ASSERT(0 != src); + if(strlen(src) != 32) + return false; + /* strtoul() accepts negative numbers which we do not want, so we do it the hard way */ + for(i = 0; i < 16; i++) { + c = (int)(*src++); + if(isdigit(c)) + d = (unsigned)(c - '0'); + else if(c >= 'a' && c <= 'f') + d = (unsigned)(c - 'a') + 10u; + else if(c >= 'A' && c <= 'F') + d = (unsigned)(c - 'A') + 10u; + else + return false; + d <<= 4; + c = (int)(*src++); + if(isdigit(c)) + d |= (unsigned)(c - '0'); + else if(c >= 'a' && c <= 'f') + d |= (unsigned)(c - 'a') + 10u; + else if(c >= 'A' && c <= 'F') + d |= (unsigned)(c - 'A') + 10u; + else + return false; + dest[i] = (FLAC__byte)d; + } + return true; +} + +FLAC__bool parse_uint32(const char *src, FLAC__uint32 *dest) +{ + FLAC__ASSERT(0 != src); + if(strlen(src) == 0 || strspn(src, "0123456789") != strlen(src)) + return false; + *dest = strtoul(src, 0, 10); + return true; +} + +FLAC__bool parse_uint64(const char *src, FLAC__uint64 *dest) +{ + FLAC__ASSERT(0 != src); + if(strlen(src) == 0 || strspn(src, "0123456789") != strlen(src)) + return false; + *dest = strtoull(src, 0, 10); + return true; +} + +FLAC__bool parse_string(const char *src, char **dest) +{ + if(0 == src || strlen(src) == 0) + return false; + *dest = strdup(src); + return true; +} + +FLAC__bool parse_vorbis_comment_field_name(const char *field_ref, char **name, const char **violation) +{ + static const char * const violations[] = { + "field name contains invalid character" + }; + + char *q, *s; + + s = local_strdup(field_ref); + + for(q = s; *q; q++) { + if(*q < 0x20 || *q > 0x7d || *q == 0x3d) { + free(s); + *violation = violations[0]; + return false; + } + } + + *name = s; + + return true; +} + +FLAC__bool parse_vorbis_comment_field_names(const char *field_ref, char **names, const char **violation) +{ + static const char * const violations[] = { + "field name contains invalid character" + }; + + char *q, *s; + + s = local_strdup(field_ref); + + for(q = s; *q; q++) { + if(*q < 0x20 || *q > 0x7d) { + free(s); + *violation = violations[0]; + return false; + } + } + + *names = s; + + return true; +} + +FLAC__bool parse_add_seekpoint(const char *in, char **out, const char **violation) +{ + static const char *garbled_ = "garbled specification"; + const unsigned n = strlen(in); + + FLAC__ASSERT(0 != in); + FLAC__ASSERT(0 != out); + + if(n == 0) { + *violation = "specification is empty"; + return false; + } + + if(n > strspn(in, "0123456789.Xsx")) { + *violation = "specification contains invalid character"; + return false; + } + + if(in[n-1] == 'X') { + if(n > 1) { + *violation = garbled_; + return false; + } + } + else if(in[n-1] == 's') { + if(n-1 > strspn(in, "0123456789.")) { + *violation = garbled_; + return false; + } + } + else if(in[n-1] == 'x') { + if(n-1 > strspn(in, "0123456789")) { + *violation = garbled_; + return false; + } + } + else { + if(n > strspn(in, "0123456789")) { + *violation = garbled_; + return false; + } + } + + *out = local_strdup(in); + return true; +} + +FLAC__bool parse_add_padding(const char *in, unsigned *out) +{ + FLAC__ASSERT(0 != in); + FLAC__ASSERT(0 != out); + *out = (unsigned)strtoul(in, 0, 10); + return *out < (1u << FLAC__STREAM_METADATA_LENGTH_LEN); +} + +FLAC__bool parse_block_number(const char *in, Argument_BlockNumber *out) +{ + char *p, *q, *s, *end; + long i; + unsigned entry; + + if(*in == '\0') + return false; + + s = local_strdup(in); + + /* first count the entries */ + for(out->num_entries = 1, p = strchr(s, ','); p; out->num_entries++, p = strchr(++p, ',')) + ; + + /* make space */ + FLAC__ASSERT(out->num_entries > 0); + if(0 == (out->entries = safe_malloc_mul_2op_(sizeof(unsigned), /*times*/out->num_entries))) + die("out of memory allocating space for option list"); + + /* load 'em up */ + entry = 0; + q = s; + while(q) { + FLAC__ASSERT(entry < out->num_entries); + if(0 != (p = strchr(q, ','))) + *p++ = '\0'; + if(!isdigit((int)(*q)) || (i = strtol(q, &end, 10)) < 0 || *end) { + free(s); + return false; + } + out->entries[entry++] = (unsigned)i; + q = p; + } + FLAC__ASSERT(entry == out->num_entries); + + free(s); + return true; +} + +FLAC__bool parse_block_type(const char *in, Argument_BlockType *out) +{ + char *p, *q, *r, *s; + unsigned entry; + + if(*in == '\0') + return false; + + s = local_strdup(in); + + /* first count the entries */ + for(out->num_entries = 1, p = strchr(s, ','); p; out->num_entries++, p = strchr(++p, ',')) + ; + + /* make space */ + FLAC__ASSERT(out->num_entries > 0); + if(0 == (out->entries = safe_malloc_mul_2op_(sizeof(Argument_BlockTypeEntry), /*times*/out->num_entries))) + die("out of memory allocating space for option list"); + + /* load 'em up */ + entry = 0; + q = s; + while(q) { + FLAC__ASSERT(entry < out->num_entries); + if(0 != (p = strchr(q, ','))) + *p++ = 0; + r = strchr(q, ':'); + if(r) + *r++ = '\0'; + if(0 != r && 0 != strcmp(q, "APPLICATION")) { + free(s); + return false; + } + if(0 == strcmp(q, "STREAMINFO")) { + out->entries[entry++].type = FLAC__METADATA_TYPE_STREAMINFO; + } + else if(0 == strcmp(q, "PADDING")) { + out->entries[entry++].type = FLAC__METADATA_TYPE_PADDING; + } + else if(0 == strcmp(q, "APPLICATION")) { + out->entries[entry].type = FLAC__METADATA_TYPE_APPLICATION; + out->entries[entry].filter_application_by_id = (0 != r); + if(0 != r) { + if(strlen(r) == sizeof (out->entries[entry].application_id)) { + memcpy(out->entries[entry].application_id, r, sizeof (out->entries[entry].application_id)); + } + else if(strlen(r) == 10 && FLAC__STRNCASECMP(r, "0x", 2) == 0 && strspn(r+2, "0123456789ABCDEFabcdef") == 8) { + FLAC__uint32 x = strtoul(r+2, 0, 16); + out->entries[entry].application_id[3] = (FLAC__byte)(x & 0xff); + out->entries[entry].application_id[2] = (FLAC__byte)((x>>=8) & 0xff); + out->entries[entry].application_id[1] = (FLAC__byte)((x>>=8) & 0xff); + out->entries[entry].application_id[0] = (FLAC__byte)((x>>=8) & 0xff); + } + else { + free(s); + return false; + } + } + entry++; + } + else if(0 == strcmp(q, "SEEKTABLE")) { + out->entries[entry++].type = FLAC__METADATA_TYPE_SEEKTABLE; + } + else if(0 == strcmp(q, "VORBIS_COMMENT")) { + out->entries[entry++].type = FLAC__METADATA_TYPE_VORBIS_COMMENT; + } + else if(0 == strcmp(q, "CUESHEET")) { + out->entries[entry++].type = FLAC__METADATA_TYPE_CUESHEET; + } + else if(0 == strcmp(q, "PICTURE")) { + out->entries[entry++].type = FLAC__METADATA_TYPE_PICTURE; + } + else { + free(s); + return false; + } + q = p; + } + FLAC__ASSERT(entry == out->num_entries); + + free(s); + return true; +} + +FLAC__bool parse_data_format(const char *in, Argument_DataFormat *out) +{ + if(0 == strcmp(in, "binary-headerless")) { + out->is_binary = false; + out->is_headerless = true; + } + else if(0 == strcmp(in, "binary")) { + out->is_binary = true; + out->is_headerless = false; + } + else if(0 == strcmp(in, "text")) { + out->is_binary = false; + out->is_headerless = false; + } + else + return false; + return true; +} + +FLAC__bool parse_application_data_format(const char *in, FLAC__bool *out) +{ + if(0 == strcmp(in, "hexdump")) + *out = true; + else if(0 == strcmp(in, "text")) + *out = false; + else + return false; + return true; +} + +void undocumented_warning(const char *opt) +{ + flac_fprintf(stderr, "WARNING: undocumented option --%s should be used with caution,\n only for repairing a damaged STREAMINFO block\n", opt); +} diff --git a/src/metaflac/options.h b/src/metaflac/options.h new file mode 100644 index 0000000..984f2e1 --- /dev/null +++ b/src/metaflac/options.h @@ -0,0 +1,221 @@ +/* metaflac - Command-line FLAC metadata editor + * Copyright (C) 2001-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifndef metaflac__options_h +#define metaflac__options_h + +#include "FLAC/format.h" + +#if 0 +/*[JEC] was:#if HAVE_GETOPT_LONG*/ +/*[JEC] see flac/include/share/getopt.h as to why the change */ +# include <getopt.h> +#else +# include "share/getopt.h" +#endif + +extern struct share__option long_options_[]; + +typedef enum { + OP__SHOW_MD5SUM, + OP__SHOW_MIN_BLOCKSIZE, + OP__SHOW_MAX_BLOCKSIZE, + OP__SHOW_MIN_FRAMESIZE, + OP__SHOW_MAX_FRAMESIZE, + OP__SHOW_SAMPLE_RATE, + OP__SHOW_CHANNELS, + OP__SHOW_BPS, + OP__SHOW_TOTAL_SAMPLES, + OP__SET_MD5SUM, + OP__SET_MIN_BLOCKSIZE, + OP__SET_MAX_BLOCKSIZE, + OP__SET_MIN_FRAMESIZE, + OP__SET_MAX_FRAMESIZE, + OP__SET_SAMPLE_RATE, + OP__SET_CHANNELS, + OP__SET_BPS, + OP__SET_TOTAL_SAMPLES, + OP__SHOW_VC_VENDOR, + OP__SHOW_VC_FIELD, + OP__REMOVE_VC_ALL, + OP__REMOVE_VC_ALL_EXCEPT, + OP__REMOVE_VC_FIELD, + OP__REMOVE_VC_FIRSTFIELD, + OP__SET_VC_FIELD, + OP__IMPORT_VC_FROM, + OP__EXPORT_VC_TO, + OP__IMPORT_CUESHEET_FROM, + OP__EXPORT_CUESHEET_TO, + OP__IMPORT_PICTURE_FROM, + OP__EXPORT_PICTURE_TO, + OP__ADD_SEEKPOINT, + OP__ADD_REPLAY_GAIN, + OP__SCAN_REPLAY_GAIN, + OP__ADD_PADDING, + OP__LIST, + OP__APPEND, + OP__REMOVE, + OP__REMOVE_ALL, + OP__MERGE_PADDING, + OP__SORT_PADDING +} OperationType; + +typedef enum { + ARG__BLOCK_NUMBER, + ARG__BLOCK_TYPE, + ARG__EXCEPT_BLOCK_TYPE, + ARG__DATA_FORMAT, + ARG__FROM_FILE +} ArgumentType; + +typedef struct { + FLAC__byte value[16]; +} Argument_StreaminfoMD5; + +typedef struct { + FLAC__uint32 value; +} Argument_StreaminfoUInt32; + +typedef struct { + FLAC__uint64 value; +} Argument_StreaminfoUInt64; + +typedef struct { + char *value; +} Argument_VcFieldName; + +typedef struct { + char *field; /* the whole field as passed on the command line, i.e. "NAME=VALUE" */ + char *field_name; + /* according to the vorbis spec, field values can contain \0 so simple C strings are not enough here */ + unsigned field_value_length; + char *field_value; + FLAC__bool field_value_from_file; /* true if field_value holds a filename for the value, false for plain value */ +} Argument_VcField; + +typedef struct { + char *value; +} Argument_String; + +typedef struct { + unsigned num_entries; + unsigned *entries; +} Argument_BlockNumber; + +typedef struct { + FLAC__MetadataType type; + char application_id[4]; /* only relevant if type == FLAC__STREAM_METADATA_TYPE_APPLICATION */ + FLAC__bool filter_application_by_id; +} Argument_BlockTypeEntry; + +typedef struct { + unsigned num_entries; + Argument_BlockTypeEntry *entries; +} Argument_BlockType; + +typedef struct { + FLAC__bool is_binary; + FLAC__bool is_headerless; +} Argument_DataFormat; + +typedef struct { + char *file_name; +} Argument_FromFile; + +typedef struct { + char *specification; +} Argument_AddSeekpoint; + +typedef struct { + char *filename; + Argument_AddSeekpoint *add_seekpoint_link; +} Argument_ImportCuesheetFrom; + +typedef struct { + char *filename; + const Argument_BlockNumber *block_number_link; /* may be NULL to mean 'first PICTURE block' */ +} Argument_ExportPictureTo; + +typedef struct { + unsigned length; +} Argument_AddPadding; + +typedef struct { + OperationType type; + union { + Argument_StreaminfoMD5 streaminfo_md5; + Argument_StreaminfoUInt32 streaminfo_uint32; + Argument_StreaminfoUInt64 streaminfo_uint64; + Argument_VcFieldName vc_field_name; + Argument_VcField vc_field; + Argument_String filename; + Argument_String specification; + Argument_ImportCuesheetFrom import_cuesheet_from; + Argument_ExportPictureTo export_picture_to; + Argument_AddSeekpoint add_seekpoint; + Argument_AddPadding add_padding; + } argument; +} Operation; + +typedef struct { + ArgumentType type; + union { + Argument_BlockNumber block_number; + Argument_BlockType block_type; + Argument_DataFormat data_format; + Argument_FromFile from_file; + } value; +} Argument; + +typedef struct { + FLAC__bool preserve_modtime; + FLAC__bool prefix_with_filename; + FLAC__bool utf8_convert; + FLAC__bool use_padding; + FLAC__bool cued_seekpoints; + FLAC__bool show_long_help; + FLAC__bool show_version; + FLAC__bool data_format_is_binary; + FLAC__bool data_format_is_binary_headerless; + FLAC__bool application_data_format_is_hexdump; + struct { + Operation *operations; + unsigned num_operations; + unsigned capacity; + } ops; + struct { + struct { + unsigned num_shorthand_ops; + unsigned num_major_ops; + FLAC__bool has_block_type; + FLAC__bool has_except_block_type; + } checks; + Argument *arguments; + unsigned num_arguments; + unsigned capacity; + } args; + unsigned num_files; + char **filenames; +} CommandLineOptions; + +void init_options(CommandLineOptions *options); +FLAC__bool parse_options(int argc, char *argv[], CommandLineOptions *options); +void free_options(CommandLineOptions *options); + +#endif diff --git a/src/metaflac/usage.c b/src/metaflac/usage.c new file mode 100644 index 0000000..58afc0e --- /dev/null +++ b/src/metaflac/usage.c @@ -0,0 +1,349 @@ +/* metaflac - Command-line FLAC metadata editor + * Copyright (C) 2001-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include "utils.h" +#include "usage.h" +#include "FLAC/format.h" +#include <stdarg.h> +#include <stdio.h> +#include "share/compat.h" + +static void usage_header(FILE *out) +{ + fprintf(out, "==============================================================================\n"); + fprintf(out, "metaflac - Command-line FLAC metadata editor version %s\n", FLAC__VERSION_STRING); + fprintf(out, "Copyright (C) 2001-2009 Josh Coalson\n"); + fprintf(out, "Copyright (C) 2011-2023 Xiph.Org Foundation\n"); + fprintf(out, "\n"); + fprintf(out, "This program is free software; you can redistribute it and/or\n"); + fprintf(out, "modify it under the terms of the GNU General Public License\n"); + fprintf(out, "as published by the Free Software Foundation; either version 2\n"); + fprintf(out, "of the License, or (at your option) any later version.\n"); + fprintf(out, "\n"); + fprintf(out, "This program is distributed in the hope that it will be useful,\n"); + fprintf(out, "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"); + fprintf(out, "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"); + fprintf(out, "GNU General Public License for more details.\n"); + fprintf(out, "\n"); + fprintf(out, "You should have received a copy of the GNU General Public License along\n"); + fprintf(out, "with this program; if not, write to the Free Software Foundation, Inc.,\n"); + fprintf(out, "51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.\n"); + fprintf(out, "==============================================================================\n"); +} + +static void usage_summary(FILE *out) +{ + fprintf(out, "Usage:\n"); + fprintf(out, " metaflac [options] [operations] FLACfile [FLACfile ...]\n"); + fprintf(out, "\n"); + fprintf(out, "Use metaflac to list, add, remove, or edit metadata in one or more FLAC files.\n"); + fprintf(out, "You may perform one major operation, or many shorthand operations at a time.\n"); + fprintf(out, "\n"); + fprintf(out, "Options:\n"); + fprintf(out, "--preserve-modtime Preserve the original modification time in spite of edits\n"); + fprintf(out, "--with-filename Prefix each output line with the FLAC file name\n"); + fprintf(out, " (the default if more than one FLAC file is specified).\n"); + fprintf(out, " This option has no effect for options exporting to a\n"); + fprintf(out, " file, like --export-tags-to.\n"); + fprintf(out, "--no-filename Do not prefix each output line with the FLAC file name\n"); + fprintf(out, " (the default if only one FLAC file is specified)\n"); + fprintf(out, "--no-utf8-convert Do not convert tags from UTF-8 to local charset,\n"); + fprintf(out, " or vice versa. This is useful for scripts, and setting\n"); + fprintf(out, " tags in situations where the locale is wrong.\n"); + fprintf(out, "--dont-use-padding By default metaflac tries to use padding where possible\n"); + fprintf(out, " to avoid rewriting the entire file if the metadata size\n"); + fprintf(out, " changes. Use this option to tell metaflac to not take\n"); + fprintf(out, " advantage of padding this way.\n"); +} + +int short_usage(const char *message, ...) +{ + va_list args; + + if(message) { + va_start(args, message); + + (void) vfprintf(stderr, message, args); + + va_end(args); + + } + usage_header(stderr); + flac_fprintf(stderr, "\n"); + flac_fprintf(stderr, "This is the short help; for full help use 'metaflac --help'\n"); + flac_fprintf(stderr, "\n"); + usage_summary(stderr); + + return message? 1 : 0; +} + +int long_usage(const char *message, ...) +{ + FILE *out = (message? stderr : stdout); + va_list args; + + if(message) { + va_start(args, message); + + (void) vfprintf(stderr, message, args); + + va_end(args); + + } + usage_header(out); + fprintf(out, "\n"); + usage_summary(out); + fprintf(out, "\n"); + fprintf(out, "Shorthand operations:\n"); + fprintf(out, "--show-md5sum Show the MD5 signature from the STREAMINFO block.\n"); + fprintf(out, "--show-min-blocksize Show the minimum block size from the STREAMINFO block.\n"); + fprintf(out, "--show-max-blocksize Show the maximum block size from the STREAMINFO block.\n"); + fprintf(out, "--show-min-framesize Show the minimum frame size from the STREAMINFO block.\n"); + fprintf(out, "--show-max-framesize Show the maximum frame size from the STREAMINFO block.\n"); + fprintf(out, "--show-sample-rate Show the sample rate from the STREAMINFO block.\n"); + fprintf(out, "--show-channels Show the number of channels from the STREAMINFO block.\n"); + fprintf(out, "--show-bps Show the # of bits per sample from the STREAMINFO block.\n"); + fprintf(out, "--show-total-samples Show the total # of samples from the STREAMINFO block.\n"); + fprintf(out, "\n"); + fprintf(out, "--show-vendor-tag Show the vendor string from the VORBIS_COMMENT block.\n"); + fprintf(out, "--show-tag=NAME Show all tags where the field name matches 'NAME'.\n"); + fprintf(out, "--show-all-tags Show all tags. This is an alias for --export-tags-to=-.\n"); + fprintf(out, "--remove-tag=NAME Remove all tags whose field name is 'NAME'.\n"); + fprintf(out, "--remove-first-tag=NAME Remove first tag whose field name is 'NAME'.\n"); + fprintf(out, "--remove-all-tags Remove all tags, leaving only the vendor string.\n"); + fprintf(out, "--remove-all-tags-except=NAME1[=NAME2[=...]] Remove all tags, except the vendor\n"); + fprintf(out, " string and the tag names specified. Tag names must be\n"); + fprintf(out, " separated by an = character.\n"); + fprintf(out, "--set-tag=FIELD Add a tag. The FIELD must comply with the Vorbis comment\n"); + fprintf(out, " spec, of the form \"NAME=VALUE\". If there is currently\n"); + fprintf(out, " no tag block, one will be created.\n"); + fprintf(out, "--set-tag-from-file=FIELD Like --set-tag, except the VALUE is a filename\n"); + fprintf(out, " whose contents will be read verbatim to set the tag value.\n"); + fprintf(out, " Unless --no-utf8-convert is specified, the contents will\n"); + fprintf(out, " be converted to UTF-8 from the local charset. This can\n"); + fprintf(out, " be used to store a cuesheet in a tag (e.g.\n"); + fprintf(out, " --set-tag-from-file=\"CUESHEET=image.cue\"). Do not try\n"); + fprintf(out, " to store binary data in tag fields! Use APPLICATION\n"); + fprintf(out, " blocks for that.\n"); + fprintf(out, "--import-tags-from=FILE Import tags from a file. Use '-' for stdin. Each line\n"); + fprintf(out, " should be of the form NAME=VALUE. Multi-line comments\n"); + fprintf(out, " are currently not supported. Specify --remove-all-tags\n"); + fprintf(out, " and/or --no-utf8-convert before --import-tags-from if\n"); + fprintf(out, " necessary. If FILE is '-' (stdin), only one FLAC file\n"); + fprintf(out, " may be specified.\n"); + fprintf(out, "--export-tags-to=FILE Export tags to a file. Use '-' for stdout. Each line\n"); + fprintf(out, " will be of the form NAME=VALUE. Specify\n"); + fprintf(out, " --no-utf8-convert if necessary.\n"); + fprintf(out, "--import-cuesheet-from=FILE Import a cuesheet from a file. Use '-' for stdin.\n"); + fprintf(out, " Only one FLAC file may be specified. A seekpoint will be\n"); + fprintf(out, " added for each index point in the cuesheet to the\n"); + fprintf(out, " SEEKTABLE unless --no-cued-seekpoints is specified.\n"); + fprintf(out, "--export-cuesheet-to=FILE Export CUESHEET block to a cuesheet file, suitable\n"); + fprintf(out, " for use by CD authoring software. Use '-' for stdout.\n"); + fprintf(out, " Only one FLAC file may be specified on the command line.\n"); + fprintf(out, "--import-picture-from=FILENAME|SPECIFICATION Import a picture and store it in a\n"); + fprintf(out, " PICTURE block. Either a filename for the picture file or\n"); + fprintf(out, " a more complete specification form can be used. The\n"); + fprintf(out, " SPECIFICATION is a string whose parts are separated by |\n"); + fprintf(out, " characters. Some parts may be left empty to invoke\n"); + fprintf(out, " default values. FILENAME is just shorthand for\n"); + fprintf(out, " \"||||FILENAME\". The format of SPECIFICATION is:\n"); + fprintf(out, " [TYPE]|[MIME-TYPE]|[DESCRIPTION]|[WIDTHxHEIGHTxDEPTH[/COLORS]]|FILE\n"); + fprintf(out, " TYPE is optional; it is a number from one of:\n"); + fprintf(out, " 0: Other\n"); + fprintf(out, " 1: 32x32 pixels 'file icon' (PNG only)\n"); + fprintf(out, " 2: Other file icon\n"); + fprintf(out, " 3: Cover (front)\n"); + fprintf(out, " 4: Cover (back)\n"); + fprintf(out, " 5: Leaflet page\n"); + fprintf(out, " 6: Media (e.g. label side of CD)\n"); + fprintf(out, " 7: Lead artist/lead performer/soloist\n"); + fprintf(out, " 8: Artist/performer\n"); + fprintf(out, " 9: Conductor\n"); + fprintf(out, " 10: Band/Orchestra\n"); + fprintf(out, " 11: Composer\n"); + fprintf(out, " 12: Lyricist/text writer\n"); + fprintf(out, " 13: Recording Location\n"); + fprintf(out, " 14: During recording\n"); + fprintf(out, " 15: During performance\n"); + fprintf(out, " 16: Movie/video screen capture\n"); + fprintf(out, " 17: A bright coloured fish\n"); + fprintf(out, " 18: Illustration\n"); + fprintf(out, " 19: Band/artist logotype\n"); + fprintf(out, " 20: Publisher/Studio logotype\n"); + fprintf(out, " The default is 3 (front cover). There may only be one picture each\n"); + fprintf(out, " of type 1 and 2 in a file.\n"); + fprintf(out, " MIME-TYPE is optional; if left blank, it will be detected from the\n"); + fprintf(out, " file. For best compatibility with players, use pictures with MIME\n"); + fprintf(out, " type image/jpeg or image/png. The MIME type can also be --> to\n"); + fprintf(out, " mean that FILE is actually a URL to an image, though this use is\n"); + fprintf(out, " discouraged.\n"); + fprintf(out, " DESCRIPTION is optional; the default is an empty string\n"); + fprintf(out, " The next part specifies the resolution and color information. If\n"); + fprintf(out, " the MIME-TYPE is image/jpeg, image/png, or image/gif, you can\n"); + fprintf(out, " usually leave this empty and they can be detected from the file.\n"); + fprintf(out, " Otherwise, you must specify the width in pixels, height in pixels,\n"); + fprintf(out, " and color depth in bits-per-pixel. If the image has indexed colors\n"); + fprintf(out, " you should also specify the number of colors used.\n"); + fprintf(out, " FILE is the path to the picture file to be imported, or the URL if\n"); + fprintf(out, " MIME type is -->\n"); + fprintf(out, "--export-picture-to=FILE Export PICTURE block to a file. Use '-' for stdout.\n"); + fprintf(out, " Only one FLAC file may be specified. The first PICTURE\n"); + fprintf(out, " block will be exported unless --export-picture-to is\n"); + fprintf(out, " preceded by a --block-number=# option to specify the exact\n"); + fprintf(out, " metadata block to extract. Note that the block number is\n"); + fprintf(out, " the one shown by --list.\n"); + fprintf(out, "--add-replay-gain Calculates the title and album gains/peaks of the given\n"); + fprintf(out, " FLAC files as if all the files were part of one album,\n"); + fprintf(out, " then stores them in the VORBIS_COMMENT block. The tags\n"); + fprintf(out, " are the same as those used by vorbisgain. Existing\n"); + fprintf(out, " ReplayGain tags will be replaced. If only one FLAC file\n"); + fprintf(out, " is given, the album and title gains will be the same.\n"); + fprintf(out, " Since this operation requires two passes, it is always\n"); + fprintf(out, " executed last, after all other operations have been\n"); + fprintf(out, " completed and written to disk. All FLAC files specified\n"); + fprintf(out, " must have the same resolution, sample rate, and number\n"); + fprintf(out, " of channels. Only mono and stereo files are allowed,\n"); + fprintf(out, " and the sample rate must be 8, 11.025, 12, 16, 18.9,\n"); + fprintf(out, " 22.05, 24, 28, 32, 36, 37.8, 44.1, 48, 56, 64, 72, 75.6,\n"); + fprintf(out, " 88.2, 96, 112, 128, 144, 151.2, 176.4, 192, 224, 256,\n"); + fprintf(out, " 288, 302.4, 352.8, 384, 448, 512, 576, or 604.8 kHz.\n"); + fprintf(out, "--scan-replay-gain Like --add-replay-gain, but only analyzes the files\n"); + fprintf(out, " rather than writing them to tags.\n"); + fprintf(out, "--remove-replay-gain Removes the ReplayGain tags.\n"); + fprintf(out, "--add-seekpoint={#|X|#x|#s} Add seek points to a SEEKTABLE block\n"); + fprintf(out, " # : a specific sample number for a seek point\n"); + fprintf(out, " X : a placeholder point (always goes at the end of the SEEKTABLE)\n"); + fprintf(out, " #x : # evenly spaced seekpoints, the first being at sample 0\n"); + fprintf(out, " #s : a seekpoint every # seconds; # does not have to be a whole number\n"); + fprintf(out, " If no SEEKTABLE block exists, one will be created. If\n"); + fprintf(out, " one already exists, points will be added to the existing\n"); + fprintf(out, " table, and any duplicates will be turned into placeholder\n"); + fprintf(out, " points. You may use many --add-seekpoint options; the\n"); + fprintf(out, " resulting SEEKTABLE will be the unique-ified union of\n"); + fprintf(out, " all such values. Example: --add-seekpoint=100x\n"); + fprintf(out, " --add-seekpoint=3.5s will add 100 evenly spaced\n"); + fprintf(out, " seekpoints and a seekpoint every 3.5 seconds.\n"); + fprintf(out, "--add-padding=length Add a padding block of the given length (in bytes).\n"); + fprintf(out, " The overall length of the new block will be 4 + length;\n"); + fprintf(out, " the extra 4 bytes is for the metadata block header.\n"); + fprintf(out, "\n"); + fprintf(out, "Major operations:\n"); + fprintf(out, "--version\n"); + fprintf(out, " Show the metaflac version number.\n"); + fprintf(out, "--list\n"); + fprintf(out, " List the contents of one or more metadata blocks to stdout. By default,\n"); + fprintf(out, " all metadata blocks are listed in text format. Use the following options\n"); + fprintf(out, " to change this behavior:\n"); + fprintf(out, "\n"); + fprintf(out, " --block-number=#[,#[...]]\n"); + fprintf(out, " An optional comma-separated list of block numbers to display. The first\n"); + fprintf(out, " block, the STREAMINFO block, is block 0.\n"); + fprintf(out, "\n"); + fprintf(out, " --block-type=type[,type[...]]\n"); + fprintf(out, " --except-block-type=type[,type[...]]\n"); + fprintf(out, " An optional comma-separated list of block types to be included or ignored\n"); + fprintf(out, " with this option. Use only one of --block-type or --except-block-type.\n"); + fprintf(out, " The valid block types are: STREAMINFO, PADDING, APPLICATION, SEEKTABLE,\n"); + fprintf(out, " VORBIS_COMMENT. You may narrow down the types of APPLICATION blocks\n"); + fprintf(out, " displayed as follows:\n"); + fprintf(out, " APPLICATION:abcd The APPLICATION block(s) whose textual repre-\n"); + fprintf(out, " sentation of the 4-byte ID is \"abcd\"\n"); + fprintf(out, " APPLICATION:0xXXXXXXXX The APPLICATION block(s) whose hexadecimal big-\n"); + fprintf(out, " endian representation of the 4-byte ID is\n"); + fprintf(out, " \"0xXXXXXXXX\". For the example \"abcd\" above the\n"); + fprintf(out, " hexadecimal equivalalent is 0x61626364\n"); + fprintf(out, "\n"); + fprintf(out, " NOTE: if both --block-number and --[except-]block-type are specified,\n"); + fprintf(out, " the result is the logical AND of both arguments.\n"); + fprintf(out, "\n"); + fprintf(out, " --data-format=binary|binary-headerless|text\n"); + fprintf(out, " By default a human-readable text representation of the data is displayed.\n"); + fprintf(out, " You may specify --data-format=binary to dump the raw binary form of each\n"); + fprintf(out, " metadata block. Specify --data-format=binary-headerless to omit output of\n"); + fprintf(out, " metadata block headers, including the id of APPLICATION metadata blocks.\n"); + fprintf(out, " The output can be read in using a subsequent call to\n"); + fprintf(out, " \"metaflac --append\"\n"); + fprintf(out, "\n"); + fprintf(out, " --application-data-format=hexdump|text\n"); + fprintf(out, " If the application block you are displaying contains binary data but your\n"); + fprintf(out, " --data-format=text, you can display a hex dump of the application data\n"); + fprintf(out, " contents instead using --application-data-format=hexdump\n"); + fprintf(out, "\n"); + fprintf(out, "--append\n"); + fprintf(out, " Insert a metadata block from a file. This must be a binary block as\n"); + fprintf(out, " exported with --list --data-format=binary. The insertion point is\n"); + fprintf(out, " defined with --block-number=#. The new block will be added after the\n"); + fprintf(out, " given block number. This prevents the illegal insertion of a block\n"); + fprintf(out, " before the first STREAMINFO block. You may not --append another\n"); + fprintf(out, " STREAMINFO block. It is possible to copy a metadata block from one\n"); + fprintf(out, " file to another with this option. For example use\n"); + fprintf(out, " metaflac --list --data-format=binary --block-number=6 file.flac > block\n"); + fprintf(out, " to export the block, and then import it with\n"); + fprintf(out, " metaflac --append anotherfile.flac < block\n"); + fprintf(out, " Insert a metadata block from a file. The input file must be in the same\n"); + fprintf(out, " format as generated with --list.\n"); + fprintf(out, "\n"); + fprintf(out, " --block-number=#\n"); + fprintf(out, " Specify the insertion point (defaults to last block). The new block will\n"); + fprintf(out, " be added after the given block number. This prevents the illegal insertion\n"); + fprintf(out, " of a block before the first STREAMINFO block. You may not --append another\n"); + fprintf(out, " STREAMINFO block.\n"); + fprintf(out, "\n"); +#if 0 + /*@@@ not implemented yet */ + fprintf(out, " --from-file=filename\n"); + fprintf(out, " Mandatory 'option' to specify the input file containing the block contents.\n"); + fprintf(out, "\n"); + fprintf(out, " --data-format=binary|text\n"); + fprintf(out, " By default the block contents are assumed to be in binary format. You can\n"); + fprintf(out, " override this by specifying --data-format=text\n"); + fprintf(out, "\n"); +#endif + fprintf(out, "--remove\n"); + fprintf(out, " Remove one or more metadata blocks from the metadata. Unless\n"); + fprintf(out, " --dont-use-padding is specified, the blocks will be replaced with padding.\n"); + fprintf(out, " You may not remove the STREAMINFO block.\n"); + fprintf(out, "\n"); + fprintf(out, " --block-number=#[,#[...]]\n"); + fprintf(out, " --block-type=type[,type[...]]\n"); + fprintf(out, " --except-block-type=type[,type[...]]\n"); + fprintf(out, " See --list above for usage.\n"); + fprintf(out, "\n"); + fprintf(out, " NOTE: if both --block-number and --[except-]block-type are specified,\n"); + fprintf(out, " the result is the logical AND of both arguments.\n"); + fprintf(out, "\n"); + fprintf(out, "--remove-all\n"); + fprintf(out, " Remove all metadata blocks (except the STREAMINFO block) from the\n"); + fprintf(out, " metadata. Unless --dont-use-padding is specified, the blocks will be\n"); + fprintf(out, " replaced with padding.\n"); + fprintf(out, "\n"); + fprintf(out, "--merge-padding\n"); + fprintf(out, " Merge adjacent PADDING blocks into single blocks.\n"); + fprintf(out, "\n"); + fprintf(out, "--sort-padding\n"); + fprintf(out, " Move all PADDING blocks to the end of the metadata and merge them into a\n"); + fprintf(out, " single block.\n"); + + return message? 1 : 0; +} diff --git a/src/metaflac/usage.h b/src/metaflac/usage.h new file mode 100644 index 0000000..1366417 --- /dev/null +++ b/src/metaflac/usage.h @@ -0,0 +1,26 @@ +/* metaflac - Command-line FLAC metadata editor + * Copyright (C) 2001-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifndef metaflac__usage_h +#define metaflac__usage_h + +int short_usage(const char *message, ...); +int long_usage(const char *message, ...); + +#endif diff --git a/src/metaflac/utils.c b/src/metaflac/utils.c new file mode 100644 index 0000000..045719a --- /dev/null +++ b/src/metaflac/utils.c @@ -0,0 +1,282 @@ +/* metaflac - Command-line FLAC metadata editor + * Copyright (C) 2001-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include <ctype.h> +#include <stdarg.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include "utils.h" +#include "FLAC/assert.h" +#include "share/alloc.h" +#include "share/safe_str.h" +#include "share/utf8.h" +#include "share/compat.h" + +void die(const char *message) +{ + FLAC__ASSERT(0 != message); + flac_fprintf(stderr, "ERROR: %s\n", message); + exit(1); +} + +#ifdef FLAC__VALGRIND_TESTING +size_t local_fwrite(const void *ptr, size_t size, size_t nmemb, FILE *stream) +{ + size_t ret = fwrite(ptr, size, nmemb, stream); + if(!ferror(stream)) + fflush(stream); + return ret; +} +#endif + +char *local_strdup(const char *source) +{ + char *ret; + FLAC__ASSERT(0 != source); + if(0 == (ret = strdup(source))) + die("out of memory during strdup()"); + return ret; +} + +void local_strcat(char **dest, const char *source) +{ + size_t ndest, nsource, outlen; + + FLAC__ASSERT(0 != dest); + FLAC__ASSERT(0 != source); + + ndest = *dest ? strlen(*dest) : 0; + nsource = strlen(source); + outlen = ndest + nsource + 1; + + if(nsource == 0) + return; + + *dest = safe_realloc_add_3op_(*dest, ndest, /*+*/nsource, /*+*/1); + if(*dest == NULL) + die("out of memory growing string"); + /* If ndest == 0, strlen in safe_strncat reads + * uninitialized data. To prevent that, set first character + * to zero */ + if(ndest == 0) + *dest[0] = 0; + safe_strncat(*dest, source, outlen); +} + +static inline int local_isprint(int c) +{ + if (c < 32) return 0; + if (c > 127) return 0; + return isprint(c); +} + +void hexdump(const char *filename, const FLAC__byte *buf, unsigned bytes, const char *indent) +{ + unsigned i, left = bytes; + const FLAC__byte *b = buf; + + for(i = 0; i < bytes; i += 16) { + flac_printf("%s%s", filename? filename:"", filename? ":":""); + printf("%s%08X: " + "%02X %02X %02X %02X %02X %02X %02X %02X " + "%02X %02X %02X %02X %02X %02X %02X %02X " + "%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c\n", + indent, i, + left > 0? (unsigned char)b[ 0] : 0, + left > 1? (unsigned char)b[ 1] : 0, + left > 2? (unsigned char)b[ 2] : 0, + left > 3? (unsigned char)b[ 3] : 0, + left > 4? (unsigned char)b[ 4] : 0, + left > 5? (unsigned char)b[ 5] : 0, + left > 6? (unsigned char)b[ 6] : 0, + left > 7? (unsigned char)b[ 7] : 0, + left > 8? (unsigned char)b[ 8] : 0, + left > 9? (unsigned char)b[ 9] : 0, + left > 10? (unsigned char)b[10] : 0, + left > 11? (unsigned char)b[11] : 0, + left > 12? (unsigned char)b[12] : 0, + left > 13? (unsigned char)b[13] : 0, + left > 14? (unsigned char)b[14] : 0, + left > 15? (unsigned char)b[15] : 0, + (left > 0) ? (local_isprint(b[ 0]) ? b[ 0] : '.') : ' ', + (left > 1) ? (local_isprint(b[ 1]) ? b[ 1] : '.') : ' ', + (left > 2) ? (local_isprint(b[ 2]) ? b[ 2] : '.') : ' ', + (left > 3) ? (local_isprint(b[ 3]) ? b[ 3] : '.') : ' ', + (left > 4) ? (local_isprint(b[ 4]) ? b[ 4] : '.') : ' ', + (left > 5) ? (local_isprint(b[ 5]) ? b[ 5] : '.') : ' ', + (left > 6) ? (local_isprint(b[ 6]) ? b[ 6] : '.') : ' ', + (left > 7) ? (local_isprint(b[ 7]) ? b[ 7] : '.') : ' ', + (left > 8) ? (local_isprint(b[ 8]) ? b[ 8] : '.') : ' ', + (left > 9) ? (local_isprint(b[ 9]) ? b[ 9] : '.') : ' ', + (left > 10) ? (local_isprint(b[10]) ? b[10] : '.') : ' ', + (left > 11) ? (local_isprint(b[11]) ? b[11] : '.') : ' ', + (left > 12) ? (local_isprint(b[12]) ? b[12] : '.') : ' ', + (left > 13) ? (local_isprint(b[13]) ? b[13] : '.') : ' ', + (left > 14) ? (local_isprint(b[14]) ? b[14] : '.') : ' ', + (left > 15) ? (local_isprint(b[15]) ? b[15] : '.') : ' ' + ); + left -= 16; + b += 16; + } +} + +void print_error_with_chain_status(FLAC__Metadata_Chain *chain, const char *format, ...) +{ + const FLAC__Metadata_ChainStatus status = FLAC__metadata_chain_status(chain); + va_list args; + + FLAC__ASSERT(0 != format); + + va_start(args, format); + + (void) flac_vfprintf(stderr, format, args); + + va_end(args); + + flac_fprintf(stderr, ", status = \"%s\"\n", FLAC__Metadata_ChainStatusString[status]); + + if(status == FLAC__METADATA_CHAIN_STATUS_ERROR_OPENING_FILE) { + flac_fprintf(stderr, "\n" + "The FLAC file could not be opened. Most likely the file does not exist\n" + "or is not readable.\n" + ); + } + else if(status == FLAC__METADATA_CHAIN_STATUS_NOT_A_FLAC_FILE) { + flac_fprintf(stderr, "\n" + "The file does not appear to be a FLAC file.\n" + ); + } + else if(status == FLAC__METADATA_CHAIN_STATUS_NOT_WRITABLE) { + flac_fprintf(stderr, "\n" + "The FLAC file does not have write permissions.\n" + ); + } + else if(status == FLAC__METADATA_CHAIN_STATUS_BAD_METADATA) { + flac_fprintf(stderr, "\n" + "The metadata to be written does not conform to the FLAC metadata\n" + "specifications.\n" + ); + } + else if(status == FLAC__METADATA_CHAIN_STATUS_READ_ERROR) { + flac_fprintf(stderr, "\n" + "There was an error while reading the FLAC file.\n" + ); + } + else if(status == FLAC__METADATA_CHAIN_STATUS_WRITE_ERROR) { + flac_fprintf(stderr, "\n" + "There was an error while writing FLAC file; most probably the disk is\n" + "full.\n" + ); + } + else if(status == FLAC__METADATA_CHAIN_STATUS_UNLINK_ERROR) { + flac_fprintf(stderr, "\n" + "There was an error removing the temporary FLAC file.\n" + ); + } +} + +FLAC__bool parse_vorbis_comment_field(const char *field_ref, char **field, char **name, char **value, unsigned *length, const char **violation) +{ + static const char * const violations[] = { + "field name contains invalid character", + "field contains no '=' character" + }; + + char *p, *q, *s; + + if(0 != field) + *field = local_strdup(field_ref); + + s = local_strdup(field_ref); + + if(0 == (p = strchr(s, '='))) { + free(s); + *violation = violations[1]; + return false; + } + *p++ = '\0'; + + for(q = s; *q; q++) { + if(*q < 0x20 || *q > 0x7d || *q == 0x3d) { + free(s); + *violation = violations[0]; + return false; + } + } + + *name = local_strdup(s); + *value = local_strdup(p); + *length = strlen(p); + + free(s); + return true; +} + +void write_vc_field(const char *filename, const FLAC__StreamMetadata_VorbisComment_Entry *entry, FLAC__bool raw, FILE *f) +{ + if(0 != entry->entry) { + if(filename) + flac_fprintf(f, "%s:", filename); + + if(!raw) { + /* + * WATCHOUT: comments that contain an embedded null will + * be truncated by utf_decode(). + */ +#ifdef _WIN32 /* if we are outputting to console, we need to use proper print functions to show unicode characters */ + if (f == stdout || f == stderr) { + flac_fprintf(f, "%s", entry->entry); + } else { +#endif + char *converted; + + if(utf8_decode((const char *)entry->entry, &converted) >= 0) { + (void) local_fwrite(converted, 1, strlen(converted), f); + free(converted); + } + else { + (void) local_fwrite(entry->entry, 1, entry->length, f); + } +#ifdef _WIN32 + } +#endif + } + else { + (void) local_fwrite(entry->entry, 1, entry->length, f); + } + } + + putc('\n', f); +} + +void write_vc_fields(const char *filename, const char *field_name, const FLAC__StreamMetadata_VorbisComment_Entry entry[], unsigned num_entries, FLAC__bool raw, FILE *f) +{ + unsigned i; + const unsigned field_name_length = (0 != field_name)? strlen(field_name) : 0; + + for(i = 0; i < num_entries; i++) { + if(0 == field_name || FLAC__metadata_object_vorbiscomment_entry_matches(entry[i], field_name, field_name_length)) + write_vc_field(filename, entry + i, raw, f); + } +} diff --git a/src/metaflac/utils.h b/src/metaflac/utils.h new file mode 100644 index 0000000..972a450 --- /dev/null +++ b/src/metaflac/utils.h @@ -0,0 +1,47 @@ +/* metaflac - Command-line FLAC metadata editor + * Copyright (C) 2001-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifndef metaflac__utils_h +#define metaflac__utils_h + +#include "FLAC/metadata.h" +#include <stdio.h> /* for FILE */ + +#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION +#undef stderr +#define stderr stdout +#endif + +void die(const char *message); +#ifdef FLAC__VALGRIND_TESTING +size_t local_fwrite(const void *ptr, size_t size, size_t nmemb, FILE *stream); +#else +#define local_fwrite fwrite +#endif +char *local_strdup(const char *source); +void local_strcat(char **dest, const char *source); +void hexdump(const char *filename, const FLAC__byte *buf, unsigned bytes, const char *indent); +void print_error_with_chain_status(FLAC__Metadata_Chain *chain, const char *format, ...); + +FLAC__bool parse_vorbis_comment_field(const char *field_ref, char **field, char **name, char **value, unsigned *length, const char **violation); + +void write_vc_field(const char *filename, const FLAC__StreamMetadata_VorbisComment_Entry *entry, FLAC__bool raw, FILE *f); +void write_vc_fields(const char *filename, const char *field_name, const FLAC__StreamMetadata_VorbisComment_Entry entry[], unsigned num_entries, FLAC__bool raw, FILE *f); + +#endif diff --git a/src/metaflac/version.rc b/src/metaflac/version.rc new file mode 100644 index 0000000..5117202 --- /dev/null +++ b/src/metaflac/version.rc @@ -0,0 +1,38 @@ +#include <winver.h> +#include "config.h" + +#if (defined GIT_COMMIT_HASH && defined GIT_COMMIT_DATE) +# ifdef GIT_COMMIT_TAG +# define VERSIONSTRING GIT_COMMIT_TAG +# else +# define VERSIONSTRING "git-" GIT_COMMIT_HASH +# endif +#else +# define VERSIONSTRING PACKAGE_VERSION +#endif + +#define xstr(s) str(s) +#define str(s) #s + +VS_VERSION_INFO VERSIONINFO +FILEFLAGSMASK VS_FFI_FILEFLAGSMASK +FILEFLAGS 0 +FILEOS VOS__WINDOWS32 +FILETYPE VFT_DLL +BEGIN + BLOCK "StringFileInfo" + BEGIN + BLOCK "040904b0" + BEGIN + VALUE "FileDescription", "metaflac command line tool for Windows" + VALUE "ProductName", "Free Lossless Audio Codec" + VALUE "ProductVersion", VERSIONSTRING + VALUE "CompanyName", "Xiph.Org" + VALUE "LegalCopyright", "2000-2009 Josh Coalson, 2011-2023 Xiph.Org Foundation" + END + END + BLOCK "VarFileInfo" + BEGIN + VALUE "Translation", 0x409, 1200 + END +END diff --git a/src/share/Makefile.am b/src/share/Makefile.am new file mode 100644 index 0000000..caf6122 --- /dev/null +++ b/src/share/Makefile.am @@ -0,0 +1,73 @@ +# FLAC - Free Lossless Audio Codec +# Copyright (C) 2002-2009 Josh Coalson +# Copyright (C) 2011-2023 Xiph.Org Foundation +# +# This file is part the FLAC project. FLAC is comprised of several +# components distributed under different licenses. The codec libraries +# are distributed under Xiph.Org's BSD-like license (see the file +# COPYING.Xiph in this distribution). All other programs, libraries, and +# plugins are distributed under the GPL (see COPYING.GPL). The documentation +# is distributed under the Gnu FDL (see COPYING.FDL). Each file in the +# FLAC distribution contains at the top the terms under which it may be +# distributed. +# +# Since this particular file is relevant to all components of FLAC, +# it may be distributed under the Xiph.Org license, which is the least +# restrictive of those mentioned above. See the file COPYING.Xiph in this +# distribution. + +AUTOMAKE_OPTIONS = subdir-objects + +AM_CPPFLAGS = -I$(top_builddir) -I$(srcdir)/include -I$(top_srcdir)/include + +EXTRA_DIST = \ + README \ + getopt/CMakeLists.txt \ + grabbag/CMakeLists.txt \ + replaygain_analysis/CMakeLists.txt \ + replaygain_synthesis/CMakeLists.txt \ + utf8/CMakeLists.txt \ + utf8/charmaps.h \ + utf8/makemap.c \ + utf8/charset_test.c + + +noinst_LTLIBRARIES = \ + getopt/libgetopt.la \ + grabbag/libgrabbag.la \ + utf8/libutf8.la \ + $(libwin_utf8_io) \ + replaygain_analysis/libreplaygain_analysis.la \ + replaygain_synthesis/libreplaygain_synthesis.la + + +if OS_IS_WINDOWS +win_utf8_io_libwin_utf8_io_la_SOURCES = win_utf8_io/win_utf8_io.c +libwin_utf8_io = win_utf8_io/libwin_utf8_io.la +else +win_utf8_io_libwin_utf8_io_la_SOURCES = +libwin_utf8_io = +endif + +getopt_libgetopt_la_SOURCES = getopt/getopt.c getopt/getopt1.c + +grabbag_libgrabbag_la_SOURCES = \ + grabbag/alloc.c \ + grabbag/cuesheet.c \ + grabbag/file.c \ + grabbag/picture.c \ + grabbag/replaygain.c \ + grabbag/seektable.c \ + grabbag/snprintf.c + +utf8_libutf8_la_SOURCES = \ + utf8/charset.c \ + utf8/charset.h \ + utf8/iconvert.c \ + utf8/iconvert.h \ + utf8/utf8.c + +replaygain_analysis_libreplaygain_analysis_la_SOURCES = replaygain_analysis/replaygain_analysis.c + +replaygain_synthesis_libreplaygain_synthesis_la_CFLAGS = -I $(top_srcdir)/src/share/replaygain_synthesis/include +replaygain_synthesis_libreplaygain_synthesis_la_SOURCES = replaygain_synthesis/replaygain_synthesis.c diff --git a/src/share/Makefile.in b/src/share/Makefile.in new file mode 100644 index 0000000..a944998 --- /dev/null +++ b/src/share/Makefile.in @@ -0,0 +1,905 @@ +# Makefile.in generated by automake 1.16.5 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2021 Free Software Foundation, Inc. + +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. + +@SET_MAKE@ + +# FLAC - Free Lossless Audio Codec +# Copyright (C) 2002-2009 Josh Coalson +# Copyright (C) 2011-2023 Xiph.Org Foundation +# +# This file is part the FLAC project. FLAC is comprised of several +# components distributed under different licenses. The codec libraries +# are distributed under Xiph.Org's BSD-like license (see the file +# COPYING.Xiph in this distribution). All other programs, libraries, and +# plugins are distributed under the GPL (see COPYING.GPL). The documentation +# is distributed under the Gnu FDL (see COPYING.FDL). Each file in the +# FLAC distribution contains at the top the terms under which it may be +# distributed. +# +# Since this particular file is relevant to all components of FLAC, +# it may be distributed under the Xiph.Org license, which is the least +# restrictive of those mentioned above. 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Two of them (getopt and utf8) are shamelessly copied from +vorbistools, one for manipulating UTF-8 strings (GPL) and one for implementing +getopt (LGPL). libFLAC does not link to either; the only FLAC tools that do +are GPL'ed. diff --git a/src/share/getopt/CMakeLists.txt b/src/share/getopt/CMakeLists.txt new file mode 100644 index 0000000..d905615 --- /dev/null +++ b/src/share/getopt/CMakeLists.txt @@ -0,0 +1,13 @@ +check_include_file("string.h" HAVE_STRING_H) + +if(NOT WIN32) + find_package(Intl) +endif() + +add_library(getopt STATIC getopt.c getopt1.c) + +if(Intl_FOUND) + target_include_directories(getopt PRIVATE ${Intl_INCLUDE_DIRS}) + target_link_libraries(getopt PUBLIC ${Intl_LIBRARIES}) + target_compile_definitions(getopt PRIVATE HAVE_LIBINTL_H) +endif() diff --git a/src/share/getopt/getopt.c b/src/share/getopt/getopt.c new file mode 100644 index 0000000..39fab80 --- /dev/null +++ b/src/share/getopt/getopt.c @@ -0,0 +1,1053 @@ +/* + NOTE: + I cannot get the vanilla getopt code to work (i.e. compile only what + is needed and not duplicate symbols found in the standard library) + on all the platforms that FLAC supports. In particular the gating + of code with the ELIDE_CODE #define is not accurate enough on systems + that are POSIX but not glibc. If someone has a patch that works on + GNU/Linux, Darwin, AND Solaris please submit it on the project page: + https://sourceforge.net/p/flac/patches/ + + In the meantime I have munged the global symbols and removed gates + around code, while at the same time trying to touch the original as + little as possible. +*/ +/* Getopt for GNU. + NOTE: getopt is now part of the C library, so if you don't know what + "Keep this file name-space clean" means, talk to drepper@gnu.org + before changing it! + + Copyright (C) 1987, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99 + Free Software Foundation, Inc. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + Boston, MA 02110-1301, USA. */ + +/* This tells Alpha OSF/1 not to define a getopt prototype in <stdio.h>. + Ditto for AIX 3.2 and <stdlib.h>. */ +#ifndef _NO_PROTO +# define _NO_PROTO +#endif + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#if !defined __STDC__ || !__STDC__ +/* This is a separate conditional since some stdc systems + reject `defined (const)'. */ +# ifndef const +# define const +# endif +#endif + +#include <stdio.h> + +/* Comment out all this code if we are using the GNU C Library, and are not + actually compiling the library itself. This code is part of the GNU C + Library, but also included in many other GNU distributions. Compiling + and linking in this code is a waste when using the GNU C library + (especially if it is a shared library). Rather than having every GNU + program understand `configure --with-gnu-libc' and omit the object files, + it is simpler to just do this in the source for each such file. */ + +#define GETOPT_INTERFACE_VERSION 2 +#if !defined _LIBC && defined __GLIBC__ && __GLIBC__ >= 2 +# include <gnu-versions.h> +# if _GNU_GETOPT_INTERFACE_VERSION == GETOPT_INTERFACE_VERSION +# define ELIDE_CODE +# endif +#endif + +#if 1 +/*[JEC] was:#ifndef ELIDE_CODE*/ + + +/* This needs to come after some library #include + to get __GNU_LIBRARY__ defined. */ +#ifdef __GNU_LIBRARY__ +/* Don't include stdlib.h for non-GNU C libraries because some of them + contain conflicting prototypes for getopt. */ +# include <stdlib.h> +# include <unistd.h> +#endif /* GNU C library. */ + +#ifdef VMS +# include <unixlib.h> +# ifdef HAVE_STRING_H +# include <string.h> +# endif +#endif + +#ifndef _ +/* This is for other GNU distributions with internationalized messages. + When compiling libc, the _ macro is predefined. */ +# ifdef HAVE_LIBINTL_H +# include <libintl.h> +# define _(msgid) gettext (msgid) +# else +# define _(msgid) (msgid) +# endif +#endif + +/* This version of `share__getopt' appears to the caller like standard Unix `getopt' + but it behaves differently for the user, since it allows the user + to intersperse the options with the other arguments. + + As `share__getopt' works, it permutes the elements of ARGV so that, + when it is done, all the options precede everything else. Thus + all application programs are extended to handle flexible argument order. + + Setting the environment variable POSIXLY_CORRECT disables permutation. + Then the behavior is completely standard. + + GNU application programs can use a third alternative mode in which + they can distinguish the relative order of options and other arguments. */ + +#include "share/getopt.h" +/*[JEC] was:#include "getopt.h"*/ + +/* For communication from `share__getopt' to the caller. + When `share__getopt' finds an option that takes an argument, + the argument value is returned here. + Also, when `ordering' is RETURN_IN_ORDER, + each non-option ARGV-element is returned here. */ + +char *share__optarg = 0; /*[JEC] initialize to avoid being a 'Common' symbol */ + +/* Index in ARGV of the next element to be scanned. + This is used for communication to and from the caller + and for communication between successive calls to `share__getopt'. + + On entry to `share__getopt', zero means this is the first call; initialize. + + When `share__getopt' returns -1, this is the index of the first of the + non-option elements that the caller should itself scan. + + Otherwise, `share__optind' communicates from one call to the next + how much of ARGV has been scanned so far. */ + +/* 1003.2 says this must be 1 before any call. */ +int share__optind = 1; + +/* Formerly, initialization of getopt depended on share__optind==0, which + causes problems with re-calling getopt as programs generally don't + know that. */ + +static int share____getopt_initialized = 0; + +/* The next char to be scanned in the option-element + in which the last option character we returned was found. + This allows us to pick up the scan where we left off. + + If this is zero, or a null string, it means resume the scan + by advancing to the next ARGV-element. */ + +static char *nextchar; + +/* Callers store zero here to inhibit the error message + for unrecognized options. */ + +int share__opterr = 1; + +/* Set to an option character which was unrecognized. + This must be initialized on some systems to avoid linking in the + system's own getopt implementation. */ + +int share__optopt = '?'; + +/* Describe how to deal with options that follow non-option ARGV-elements. + + If the caller did not specify anything, + the default is REQUIRE_ORDER if the environment variable + POSIXLY_CORRECT is defined, PERMUTE otherwise. + + REQUIRE_ORDER means don't recognize them as options; + stop option processing when the first non-option is seen. + This is what Unix does. + This mode of operation is selected by either setting the environment + variable POSIXLY_CORRECT, or using `+' as the first character + of the list of option characters. + + PERMUTE is the default. We permute the contents of ARGV as we scan, + so that eventually all the non-options are at the end. This allows options + to be given in any order, even with programs that were not written to + expect this. + + RETURN_IN_ORDER is an option available to programs that were written + to expect options and other ARGV-elements in any order and that care about + the ordering of the two. We describe each non-option ARGV-element + as if it were the argument of an option with character code 1. + Using `-' as the first character of the list of option characters + selects this mode of operation. + + The special argument `--' forces an end of option-scanning regardless + of the value of `ordering'. In the case of RETURN_IN_ORDER, only + `--' can cause `share__getopt' to return -1 with `share__optind' != ARGC. */ + +static enum +{ + REQUIRE_ORDER, PERMUTE, RETURN_IN_ORDER +} ordering; + +/* Value of POSIXLY_CORRECT environment variable. */ +static char *posixly_correct; + +#ifdef __GNU_LIBRARY__ +/* We want to avoid inclusion of string.h with non-GNU libraries + because there are many ways it can cause trouble. + On some systems, it contains special magic macros that don't work + in GCC. */ +# include <string.h> +# define my_index strchr +#else + +#include <string.h> + +/* Avoid depending on library functions or files + whose names are inconsistent. */ + +#ifndef getenv +extern char *getenv (const char * name); +#endif + +static char * +my_index (const char *str, int chr) +{ + while (*str) + { + if (*str == chr) + return (char *) str; + str++; + } + return 0; +} + +/* If using GCC, we can safely declare strlen this way. + If not using GCC, it is ok not to declare it. */ +#ifdef __GNUC__ +/* Note that Motorola Delta 68k R3V7 comes with GCC but not stddef.h. + That was relevant to code that was here before. */ +# if (!defined __STDC__ || !__STDC__) && !defined strlen +/* gcc with -traditional declares the built-in strlen to return int, + and has done so at least since version 2.4.5. -- rms. */ +extern int strlen (const char *); +# endif /* not __STDC__ */ +#endif /* __GNUC__ */ + +#endif /* not __GNU_LIBRARY__ */ + +/* Handle permutation of arguments. */ + +/* Describe the part of ARGV that contains non-options that have + been skipped. `first_nonopt' is the index in ARGV of the first of them; + `last_nonopt' is the index after the last of them. */ + +static int first_nonopt; +static int last_nonopt; + +#ifdef _LIBC +/* Bash 2.0 gives us an environment variable containing flags + indicating ARGV elements that should not be considered arguments. */ + +/* Defined in getopt_init.c */ +extern char *__getopt_nonoption_flags; + +static int nonoption_flags_max_len; +static int nonoption_flags_len; + +static int original_argc; +static char *const *original_argv; + +/* Make sure the environment variable bash 2.0 puts in the environment + is valid for the getopt call we must make sure that the ARGV passed + to getopt is that one passed to the process. */ +static void +__attribute__ ((unused)) +store_args_and_env (int argc, char *const *argv) +{ + /* XXX This is no good solution. We should rather copy the args so + that we can compare them later. But we must not use malloc(3). */ + original_argc = argc; + original_argv = argv; +} +# ifdef text_set_element +text_set_element (__libc_subinit, store_args_and_env); +# endif /* text_set_element */ + +# define SWAP_FLAGS(ch1, ch2) \ + if (nonoption_flags_len > 0) \ + { \ + char __tmp = __getopt_nonoption_flags[ch1]; \ + __getopt_nonoption_flags[ch1] = __getopt_nonoption_flags[ch2]; \ + __getopt_nonoption_flags[ch2] = __tmp; \ + } +#else /* !_LIBC */ +# define SWAP_FLAGS(ch1, ch2) +#endif /* _LIBC */ + +/* Exchange two adjacent subsequences of ARGV. + One subsequence is elements [first_nonopt,last_nonopt) + which contains all the non-options that have been skipped so far. + The other is elements [last_nonopt,share__optind), which contains all + the options processed since those non-options were skipped. + + `first_nonopt' and `last_nonopt' are relocated so that they describe + the new indices of the non-options in ARGV after they are moved. */ + +#if defined __STDC__ && __STDC__ +static void exchange (char **); +#endif + +static void +exchange (char **argv) +{ + int bottom = first_nonopt; + int middle = last_nonopt; + int top = share__optind; + char *tem; + + /* Exchange the shorter segment with the far end of the longer segment. + That puts the shorter segment into the right place. + It leaves the longer segment in the right place overall, + but it consists of two parts that need to be swapped next. */ + +#ifdef _LIBC + /* First make sure the handling of the `__getopt_nonoption_flags' + string can work normally. Our top argument must be in the range + of the string. */ + if (nonoption_flags_len > 0 && top >= nonoption_flags_max_len) + { + /* We must extend the array. The user plays games with us and + presents new arguments. */ + char *new_str = malloc (top + 1); + if (new_str == NULL) + nonoption_flags_len = nonoption_flags_max_len = 0; + else + { + memset (__mempcpy (new_str, __getopt_nonoption_flags, + nonoption_flags_max_len), + '\0', top + 1 - nonoption_flags_max_len); + nonoption_flags_max_len = top + 1; + __getopt_nonoption_flags = new_str; + } + } +#endif + + while (top > middle && middle > bottom) + { + if (top - middle > middle - bottom) + { + /* Bottom segment is the short one. */ + int len = middle - bottom; + register int i; + + /* Swap it with the top part of the top segment. */ + for (i = 0; i < len; i++) + { + tem = argv[bottom + i]; + argv[bottom + i] = argv[top - (middle - bottom) + i]; + argv[top - (middle - bottom) + i] = tem; + SWAP_FLAGS (bottom + i, top - (middle - bottom) + i); + } + /* Exclude the moved bottom segment from further swapping. */ + top -= len; + } + else + { + /* Top segment is the short one. */ + int len = top - middle; + register int i; + + /* Swap it with the bottom part of the bottom segment. */ + for (i = 0; i < len; i++) + { + tem = argv[bottom + i]; + argv[bottom + i] = argv[middle + i]; + argv[middle + i] = tem; + SWAP_FLAGS (bottom + i, middle + i); + } + /* Exclude the moved top segment from further swapping. */ + bottom += len; + } + } + + /* Update records for the slots the non-options now occupy. */ + + first_nonopt += (share__optind - last_nonopt); + last_nonopt = share__optind; +} + +/* Initialize the internal data when the first call is made. */ + +#if defined __STDC__ && __STDC__ +static const char *share___getopt_initialize (int, char *const *, const char *); +#endif +static const char * +share___getopt_initialize (int argc, char *const *argv, const char *optstring ) +{ + /* Start processing options with ARGV-element 1 (since ARGV-element 0 + is the program name); the sequence of previously skipped + non-option ARGV-elements is empty. */ + + first_nonopt = last_nonopt = share__optind; + + nextchar = NULL; + + posixly_correct = getenv ("POSIXLY_CORRECT"); + + /* Determine how to handle the ordering of options and nonoptions. */ + + if (optstring[0] == '-') + { + ordering = RETURN_IN_ORDER; + ++optstring; + } + else if (optstring[0] == '+') + { + ordering = REQUIRE_ORDER; + ++optstring; + } + else if (posixly_correct != NULL) + ordering = REQUIRE_ORDER; + else + ordering = PERMUTE; + +#ifdef _LIBC + if (posixly_correct == NULL + && argc == original_argc && argv == original_argv) + { + if (nonoption_flags_max_len == 0) + { + if (__getopt_nonoption_flags == NULL + || __getopt_nonoption_flags[0] == '\0') + nonoption_flags_max_len = -1; + else + { + const char *orig_str = __getopt_nonoption_flags; + int len = nonoption_flags_max_len = strlen (orig_str); + if (nonoption_flags_max_len < argc) + nonoption_flags_max_len = argc; + __getopt_nonoption_flags = + malloc (nonoption_flags_max_len); + if (__getopt_nonoption_flags == NULL) + nonoption_flags_max_len = -1; + else + memset (__mempcpy (__getopt_nonoption_flags, orig_str, len), + '\0', nonoption_flags_max_len - len); + } + } + nonoption_flags_len = nonoption_flags_max_len; + } + else + nonoption_flags_len = 0; +#else + (void)argc, (void)argv; +#endif + + return optstring; +} + +/* Scan elements of ARGV (whose length is ARGC) for option characters + given in OPTSTRING. + + If an element of ARGV starts with '-', and is not exactly "-" or "--", + then it is an option element. The characters of this element + (aside from the initial '-') are option characters. If `share__getopt' + is called repeatedly, it returns successively each of the option characters + from each of the option elements. + + If `share__getopt' finds another option character, it returns that character, + updating `share__optind' and `nextchar' so that the next call to `share__getopt' can + resume the scan with the following option character or ARGV-element. + + If there are no more option characters, `share__getopt' returns -1. + Then `share__optind' is the index in ARGV of the first ARGV-element + that is not an option. (The ARGV-elements have been permuted + so that those that are not options now come last.) + + OPTSTRING is a string containing the legitimate option characters. + If an option character is seen that is not listed in OPTSTRING, + return '?' after printing an error message. If you set `share__opterr' to + zero, the error message is suppressed but we still return '?'. + + If a char in OPTSTRING is followed by a colon, that means it wants an arg, + so the following text in the same ARGV-element, or the text of the following + ARGV-element, is returned in `share__optarg'. Two colons mean an option that + wants an optional arg; if there is text in the current ARGV-element, + it is returned in `share__optarg', otherwise `share__optarg' is set to zero. + + If OPTSTRING starts with `-' or `+', it requests different methods of + handling the non-option ARGV-elements. + See the comments about RETURN_IN_ORDER and REQUIRE_ORDER, above. + + Long-named options begin with `--' instead of `-'. + Their names may be abbreviated as long as the abbreviation is unique + or is an exact match for some defined option. If they have an + argument, it follows the option name in the same ARGV-element, separated + from the option name by a `=', or else the in next ARGV-element. + When `share__getopt' finds a long-named option, it returns 0 if that option's + `flag' field is nonzero, the value of the option's `val' field + if the `flag' field is zero. + + The elements of ARGV aren't really const, because we permute them. + But we pretend they're const in the prototype to be compatible + with other systems. + + LONGOPTS is a vector of `struct share__option' terminated by an + element containing a name which is zero. + + LONGIND returns the index in LONGOPT of the long-named option found. + It is only valid when a long-named option has been found by the most + recent call. + + If LONG_ONLY is nonzero, '-' as well as '--' can introduce + long-named options. */ + +int +share___getopt_internal ( + int argc, + char *const *argv, + const char *optstring, + const struct share__option *longopts, + int *longind, + int long_only ) +{ + share__optarg = NULL; + + if (share__optind == 0 || !share____getopt_initialized) + { + if (share__optind == 0) + share__optind = 1; /* Don't scan ARGV[0], the program name. */ + optstring = share___getopt_initialize (argc, argv, optstring); + share____getopt_initialized = 1; + } + + /* Test whether ARGV[share__optind] points to a non-option argument. + Either it does not have option syntax, or there is an environment flag + from the shell indicating it is not an option. The later information + is only used when the used in the GNU libc. */ +#ifdef _LIBC +# define NONOPTION_P (argv[share__optind][0] != '-' || argv[share__optind][1] == '\0' \ + || (share__optind < nonoption_flags_len \ + && __getopt_nonoption_flags[share__optind] == '1')) +#else +# define NONOPTION_P (argv[share__optind][0] != '-' || argv[share__optind][1] == '\0') +#endif + + if (nextchar == NULL || *nextchar == '\0') + { + /* Advance to the next ARGV-element. */ + + /* Give FIRST_NONOPT & LAST_NONOPT rational values if OPTIND has been + moved back by the user (who may also have changed the arguments). */ + if (last_nonopt > share__optind) + last_nonopt = share__optind; + if (first_nonopt > share__optind) + first_nonopt = share__optind; + + if (ordering == PERMUTE) + { + /* If we have just processed some options following some non-options, + exchange them so that the options come first. */ + + if (first_nonopt != last_nonopt && last_nonopt != share__optind) + exchange ((char **) argv); + else if (last_nonopt != share__optind) + first_nonopt = share__optind; + + /* Skip any additional non-options + and extend the range of non-options previously skipped. */ + + while (share__optind < argc && NONOPTION_P) + share__optind++; + last_nonopt = share__optind; + } + + /* The special ARGV-element `--' means premature end of options. + Skip it like a null option, + then exchange with previous non-options as if it were an option, + then skip everything else like a non-option. */ + + if (share__optind != argc && !strcmp (argv[share__optind], "--")) + { + share__optind++; + + if (first_nonopt != last_nonopt && last_nonopt != share__optind) + exchange ((char **) argv); + else if (first_nonopt == last_nonopt) + first_nonopt = share__optind; + last_nonopt = argc; + + share__optind = argc; + } + + /* If we have done all the ARGV-elements, stop the scan + and back over any non-options that we skipped and permuted. */ + + if (share__optind == argc) + { + /* Set the next-arg-index to point at the non-options + that we previously skipped, so the caller will digest them. */ + if (first_nonopt != last_nonopt) + share__optind = first_nonopt; + return -1; + } + + /* If we have come to a non-option and did not permute it, + either stop the scan or describe it to the caller and pass it by. */ + + if (NONOPTION_P) + { + if (ordering == REQUIRE_ORDER) + return -1; + share__optarg = argv[share__optind++]; + return 1; + } + + /* We have found another option-ARGV-element. + Skip the initial punctuation. */ + + nextchar = (argv[share__optind] + 1 + + (longopts != NULL && argv[share__optind][1] == '-')); + } + + /* Decode the current option-ARGV-element. */ + + /* Check whether the ARGV-element is a long option. + + If long_only and the ARGV-element has the form "-f", where f is + a valid short option, don't consider it an abbreviated form of + a long option that starts with f. Otherwise there would be no + way to give the -f short option. + + On the other hand, if there's a long option "fubar" and + the ARGV-element is "-fu", do consider that an abbreviation of + the long option, just like "--fu", and not "-f" with arg "u". + + This distinction seems to be the most useful approach. */ + + if (longopts != NULL + && (argv[share__optind][1] == '-' + || (long_only && (argv[share__optind][2] || !my_index (optstring, argv[share__optind][1]))))) + { + char *nameend; + const struct share__option *p; + const struct share__option *pfound = NULL; + int exact = 0; + int ambig = 0; + int indfound = -1; + int option_index; + + for (nameend = nextchar; *nameend && *nameend != '='; nameend++) + /* Do nothing. */ ; + + /* Test all long options for either exact match + or abbreviated matches. */ + for (p = longopts, option_index = 0; p->name; p++, option_index++) + if (!strncmp (p->name, nextchar, nameend - nextchar)) + { + if ((size_t) (nameend - nextchar) == strlen (p->name)) + { + /* Exact match found. */ + pfound = p; + indfound = option_index; + exact = 1; + break; + } + else if (pfound == NULL) + { + /* First nonexact match found. */ + pfound = p; + indfound = option_index; + } + else + /* Second or later nonexact match found. */ + ambig = 1; + } + + if (ambig && !exact) + { + if (share__opterr) + fprintf (stderr, _("%s: option `%s' is ambiguous\n"), + argv[0], argv[share__optind]); + nextchar += strlen (nextchar); + share__optind++; + share__optopt = 0; + return '?'; + } + + if (pfound != NULL) + { + option_index = indfound; + share__optind++; + if (*nameend) + { + /* Don't test has_arg with >, because some C compilers don't + allow it to be used on enums. */ + if (pfound->has_arg) + share__optarg = nameend + 1; + else + { + if (share__opterr) + { + if (argv[share__optind - 1][1] == '-') + /* --option */ + fprintf (stderr, + _("%s: option `--%s' doesn't allow an argument\n"), + argv[0], pfound->name); + else + /* +option or -option */ + fprintf (stderr, + _("%s: option `%c%s' doesn't allow an argument\n"), + argv[0], argv[share__optind - 1][0], pfound->name); + } + + nextchar += strlen (nextchar); + + share__optopt = pfound->val; + return '?'; + } + } + else if (pfound->has_arg == 1) + { + if (share__optind < argc) + share__optarg = argv[share__optind++]; + else + { + if (share__opterr) + fprintf (stderr, + _("%s: option `%s' requires an argument\n"), + argv[0], argv[share__optind - 1]); + nextchar += strlen (nextchar); + share__optopt = pfound->val; + return optstring[0] == ':' ? ':' : '?'; + } + } + nextchar += strlen (nextchar); + if (longind != NULL) + *longind = option_index; + if (pfound->flag) + { + *(pfound->flag) = pfound->val; + return 0; + } + return pfound->val; + } + + /* Can't find it as a long option. If this is not share__getopt_long_only, + or the option starts with '--' or is not a valid short + option, then it's an error. + Otherwise interpret it as a short option. */ + if (!long_only || argv[share__optind][1] == '-' + || my_index (optstring, *nextchar) == NULL) + { + if (share__opterr) + { + if (argv[share__optind][1] == '-') + /* --option */ + fprintf (stderr, _("%s: unrecognized option `--%s'\n"), + argv[0], nextchar); + else + /* +option or -option */ + fprintf (stderr, _("%s: unrecognized option `%c%s'\n"), + argv[0], argv[share__optind][0], nextchar); + } + nextchar = (char *) ""; + share__optind++; + share__optopt = 0; + return '?'; + } + } + + /* Look at and handle the next short option-character. */ + + { + char c = *nextchar++; + char *temp = my_index (optstring, c); + + /* Increment `share__optind' when we start to process its last character. */ + if (*nextchar == '\0') + ++share__optind; + + if (temp == NULL || c == ':') + { + if (share__opterr) + { + if (posixly_correct) + /* 1003.2 specifies the format of this message. */ + fprintf (stderr, _("%s: illegal option -- %c\n"), + argv[0], c); + else + fprintf (stderr, _("%s: invalid option -- %c\n"), + argv[0], c); + } + share__optopt = c; + return '?'; + } + /* Convenience. Treat POSIX -W foo same as long option --foo */ + if (temp[0] == 'W' && temp[1] == ';') + { + char *nameend; + const struct share__option *p; + const struct share__option *pfound = NULL; + int exact = 0; + int ambig = 0; + int indfound = 0; + int option_index; + + /* This is an option that requires an argument. */ + if (*nextchar != '\0') + { + share__optarg = nextchar; + /* If we end this ARGV-element by taking the rest as an arg, + we must advance to the next element now. */ + share__optind++; + } + else if (share__optind == argc) + { + if (share__opterr) + { + /* 1003.2 specifies the format of this message. */ + fprintf (stderr, _("%s: option requires an argument -- %c\n"), + argv[0], c); + } + share__optopt = c; + if (optstring[0] == ':') + c = ':'; + else + c = '?'; + return c; + } + else + /* We already incremented `share__optind' once; + increment it again when taking next ARGV-elt as argument. */ + share__optarg = argv[share__optind++]; + + /* share__optarg is now the argument, see if it's in the + table of longopts. */ + + for (nextchar = nameend = share__optarg; *nameend && *nameend != '='; nameend++) + /* Do nothing. */ ; + + /* Test all long options for either exact match + or abbreviated matches. */ + for (p = longopts, option_index = 0; p->name; p++, option_index++) + if (!strncmp (p->name, nextchar, nameend - nextchar)) + { + if ((size_t) (nameend - nextchar) == strlen (p->name)) + { + /* Exact match found. */ + pfound = p; + indfound = option_index; + exact = 1; + break; + } + else if (pfound == NULL) + { + /* First nonexact match found. */ + pfound = p; + indfound = option_index; + } + else + /* Second or later nonexact match found. */ + ambig = 1; + } + if (ambig && !exact) + { + if (share__opterr) + fprintf (stderr, _("%s: option `-W %s' is ambiguous\n"), + argv[0], argv[share__optind]); + nextchar += strlen (nextchar); + share__optind++; + return '?'; + } + if (pfound != NULL) + { + option_index = indfound; + if (*nameend) + { + /* Don't test has_arg with >, because some C compilers don't + allow it to be used on enums. */ + if (pfound->has_arg) + share__optarg = nameend + 1; + else + { + if (share__opterr) + fprintf (stderr, _("\ +%s: option `-W %s' doesn't allow an argument\n"), + argv[0], pfound->name); + + nextchar += strlen (nextchar); + return '?'; + } + } + else if (pfound->has_arg == 1) + { + if (share__optind < argc) + share__optarg = argv[share__optind++]; + else + { + if (share__opterr) + fprintf (stderr, + _("%s: option `%s' requires an argument\n"), + argv[0], argv[share__optind - 1]); + nextchar += strlen (nextchar); + return optstring[0] == ':' ? ':' : '?'; + } + } + nextchar += strlen (nextchar); + if (longind != NULL) + *longind = option_index; + if (pfound->flag) + { + *(pfound->flag) = pfound->val; + return 0; + } + return pfound->val; + } + nextchar = NULL; + return 'W'; /* Let the application handle it. */ + } + if (temp[1] == ':') + { + if (temp[2] == ':') + { + /* This is an option that accepts an argument optionally. */ + if (*nextchar != '\0') + { + share__optarg = nextchar; + share__optind++; + } + else + share__optarg = NULL; + nextchar = NULL; + } + else + { + /* This is an option that requires an argument. */ + if (*nextchar != '\0') + { + share__optarg = nextchar; + /* If we end this ARGV-element by taking the rest as an arg, + we must advance to the next element now. */ + share__optind++; + } + else if (share__optind == argc) + { + if (share__opterr) + { + /* 1003.2 specifies the format of this message. */ + fprintf (stderr, + _("%s: option requires an argument -- %c\n"), + argv[0], c); + } + share__optopt = c; + if (optstring[0] == ':') + c = ':'; + else + c = '?'; + } + else + /* We already incremented `share__optind' once; + increment it again when taking next ARGV-elt as argument. */ + share__optarg = argv[share__optind++]; + nextchar = NULL; + } + } + return c; + } +} + +int +share__getopt (int argc, char *const *argv, const char *optstring) +{ + return share___getopt_internal (argc, argv, optstring, + (const struct share__option *) 0, + (int *) 0, + 0); +} + +#endif /* Not ELIDE_CODE. */ + +#ifdef TEST + +/* Compile with -DTEST to make an executable for use in testing + the above definition of `share__getopt'. */ + +int +main (int argc, char **argv) +{ + int c; + int digit_optind = 0; + + while (1) + { + int this_option_optind = share__optind ? share__optind : 1; + + c = share__getopt (argc, argv, "abc:d:0123456789"); + if (c == -1) + break; + + switch (c) + { + case '0': + case '1': + case '2': + case '3': + case '4': + case '5': + case '6': + case '7': + case '8': + case '9': + if (digit_optind != 0 && digit_optind != this_option_optind) + printf ("digits occur in two different argv-elements.\n"); + digit_optind = this_option_optind; + printf ("option %c\n", c); + break; + + case 'a': + printf ("option a\n"); + break; + + case 'b': + printf ("option b\n"); + break; + + case 'c': + printf ("option c with value `%s'\n", share__optarg); + break; + + case '?': + break; + + default: + printf ("?? getopt returned character code 0%o ??\n", c); + } + } + + if (share__optind < argc) + { + printf ("non-option ARGV-elements: "); + while (share__optind < argc) + printf ("%s ", argv[share__optind++]); + printf ("\n"); + } + + exit (0); +} + +#endif /* TEST */ diff --git a/src/share/getopt/getopt1.c b/src/share/getopt/getopt1.c new file mode 100644 index 0000000..fc52678 --- /dev/null +++ b/src/share/getopt/getopt1.c @@ -0,0 +1,189 @@ +/* + NOTE: + I cannot get the vanilla getopt code to work (i.e. compile only what + is needed and not duplicate symbols found in the standard library) + on all the platforms that FLAC supports. In particular the gating + of code with the ELIDE_CODE #define is not accurate enough on systems + that are POSIX but not glibc. If someone has a patch that works on + GNU/Linux, Darwin, AND Solaris please submit it on the project page: + https://sourceforge.net/p/flac/patches/ + + In the meantime I have munged the global symbols and removed gates + around code, while at the same time trying to touch the original as + little as possible. +*/ +/* getopt_long and getopt_long_only entry points for GNU getopt. + Copyright (C) 1987,88,89,90,91,92,93,94,96,97,98 + Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + Boston, MA 02110-1301, USA. */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#if !defined __STDC__ || !__STDC__ +/* This is a separate conditional since some stdc systems + reject `defined (const)'. */ +#ifndef const +#define const +#endif +#endif + +#include <stdio.h> + +#include "share/getopt.h" +/*[JEC] was:#include "getopt.h"*/ + +/* Comment out all this code if we are using the GNU C Library, and are not + actually compiling the library itself. This code is part of the GNU C + Library, but also included in many other GNU distributions. Compiling + and linking in this code is a waste when using the GNU C library + (especially if it is a shared library). Rather than having every GNU + program understand `configure --with-gnu-libc' and omit the object files, + it is simpler to just do this in the source for each such file. */ + +#define GETOPT_INTERFACE_VERSION 2 +#if !defined _LIBC && defined __GLIBC__ && __GLIBC__ >= 2 +#include <gnu-versions.h> +#if _GNU_GETOPT_INTERFACE_VERSION == GETOPT_INTERFACE_VERSION +#define ELIDE_CODE +#endif +#endif + +#if 1 +/*[JEC] was:#ifndef ELIDE_CODE*/ + + +/* This needs to come after some library #include + to get __GNU_LIBRARY__ defined. */ +#ifdef __GNU_LIBRARY__ +#include <stdlib.h> +#endif + +#ifndef NULL +#define NULL 0 +#endif + +int share__getopt_long(int argc, char *const *argv, const char *options, const struct share__option *long_options, int *opt_index) +{ + return share___getopt_internal (argc, argv, options, long_options, opt_index, 0); +} + +/* Like share__getopt_long, but '-' as well as '--' can indicate a long option. + If an option that starts with '-' (not '--') doesn't match a long option, + but does match a short option, it is parsed as a short option + instead. */ + +int share__getopt_long_only(int argc, char *const *argv, const char *options, const struct share__option *long_options, int *opt_index) +{ + return share___getopt_internal (argc, argv, options, long_options, opt_index, 1); +} + + +#endif /* Not ELIDE_CODE. */ + +#ifdef TEST + +#include <stdio.h> + +int main(int argc, char **argv) +{ + int c; + int digit_optind = 0; + + while (1) + { + int this_option_optind = share__optind ? share__optind : 1; + int option_index = 0; + static struct share__option long_options[] = + { + {"add", 1, 0, 0}, + {"append", 0, 0, 0}, + {"delete", 1, 0, 0}, + {"verbose", 0, 0, 0}, + {"create", 0, 0, 0}, + {"file", 1, 0, 0}, + {0, 0, 0, 0} + }; + + c = share__getopt_long (argc, argv, "abc:d:0123456789", + long_options, &option_index); + if (c == -1) + break; + + switch (c) + { + case 0: + printf ("option %s", long_options[option_index].name); + if (share__optarg) + printf (" with arg %s", share__optarg); + printf ("\n"); + break; + + case '0': + case '1': + case '2': + case '3': + case '4': + case '5': + case '6': + case '7': + case '8': + case '9': + if (digit_optind != 0 && digit_optind != this_option_optind) + printf ("digits occur in two different argv-elements.\n"); + digit_optind = this_option_optind; + printf ("option %c\n", c); + break; + + case 'a': + printf ("option a\n"); + break; + + case 'b': + printf ("option b\n"); + break; + + case 'c': + printf ("option c with value `%s'\n", share__optarg); + break; + + case 'd': + printf ("option d with value `%s'\n", share__optarg); + break; + + case '?': + break; + + default: + printf ("?? getopt returned character code 0%o ??\n", c); + } + } + + if (share__optind < argc) + { + printf ("non-option ARGV-elements: "); + while (share__optind < argc) + printf ("%s ", argv[share__optind++]); + printf ("\n"); + } + + exit (0); +} + +#endif /* TEST */ diff --git a/src/share/grabbag/CMakeLists.txt b/src/share/grabbag/CMakeLists.txt new file mode 100644 index 0000000..203ae3f --- /dev/null +++ b/src/share/grabbag/CMakeLists.txt @@ -0,0 +1,14 @@ +add_library(grabbag STATIC + alloc.c + cuesheet.c + file.c + picture.c + replaygain.c + seektable.c + snprintf.c) +target_link_libraries(grabbag PUBLIC + FLAC + replaygain_analysis) +if(TARGET win_utf8_io) + target_link_libraries(grabbag PUBLIC win_utf8_io) +endif() diff --git a/src/share/grabbag/alloc.c b/src/share/grabbag/alloc.c new file mode 100644 index 0000000..4e5fb60 --- /dev/null +++ b/src/share/grabbag/alloc.c @@ -0,0 +1,48 @@ +/* alloc - Convenience routines for safely allocating memory + * Copyright (C) 2007-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * - Neither the name of the Xiph.org Foundation nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include <stdlib.h> + +#include "share/alloc.h" + +void *safe_malloc_mul_2op_(size_t size1, size_t size2) +{ + if(!size1 || !size2) + return malloc(1); /* malloc(0) is undefined; FLAC src convention is to always allocate */ + if(size1 > SIZE_MAX / size2) + return 0; + return malloc(size1*size2); +} diff --git a/src/share/grabbag/cuesheet.c b/src/share/grabbag/cuesheet.c new file mode 100644 index 0000000..0d19ee7 --- /dev/null +++ b/src/share/grabbag/cuesheet.c @@ -0,0 +1,681 @@ +/* grabbag - Convenience lib for various routines common to several tools + * Copyright (C) 2002-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <limits.h> +#include "FLAC/assert.h" +#include "share/compat.h" +#include "share/grabbag.h" +#include "share/safe_str.h" + +uint32_t grabbag__cuesheet_msf_to_frame(uint32_t minutes, uint32_t seconds, uint32_t frames) +{ + return ((minutes * 60) + seconds) * 75 + frames; +} + +void grabbag__cuesheet_frame_to_msf(uint32_t frame, uint32_t *minutes, uint32_t *seconds, uint32_t *frames) +{ + *frames = frame % 75; + frame /= 75; + *seconds = frame % 60; + frame /= 60; + *minutes = frame; +} + +/* since we only care about values >= 0 or error, returns < 0 for any illegal string, else value */ +static FLAC__int64 local__parse_int64_(const char *s) +{ + FLAC__int64 ret = 0; + char c; + + if(*s == '\0') + return -1; + + while('\0' != (c = *s++)) + if(c >= '0' && c <= '9') { + if(ret >= (INT64_MAX / 10)) + return -1; + else + ret = ret * 10 + (c - '0'); + } + else + return -1; + + return ret; +} + +/* since we only care about values >= 0 or error, returns < 0 for any illegal string, else value */ +static int local__parse_int_(const char *s) +{ + FLAC__int64 ret64 = local__parse_int64_(s); + if(ret64 < 0 || ret64 > INT_MAX) + return -1; + return ret64; +} + +/* accept minute:second:frame syntax of '[0-9]+:[0-9][0-9]?:[0-9][0-9]?', but max second of 59 and max frame of 74, e.g. 0:0:0, 123:45:67 + * return sample number or <0 for error + * WATCHOUT: if sample rate is not evenly divisible by 75, the resulting sample number will be approximate + */ +static FLAC__int64 local__parse_msf_(const char *s, uint32_t sample_rate) +{ + FLAC__int64 ret, field; + char c; + + if(sample_rate == 0) + return -1; + + c = *s++; + if(c >= '0' && c <= '9') + field = (c - '0'); + else + return -1; + while(':' != (c = *s++)) { + if(c >= '0' && c <= '9') { + if(field >= (INT64_MAX / 10)) + return -1; + else + field = field * 10 + (c - '0'); + } + else + return -1; + } + + if(field >= INT64_MAX / (60 * sample_rate)) + return -1; + ret = field * 60 * sample_rate; + + c = *s++; + if(c >= '0' && c <= '9') + field = (c - '0'); + else + return -1; + if(':' != (c = *s++)) { + if(c >= '0' && c <= '9') { + field = field * 10 + (c - '0'); + c = *s++; + if(c != ':') + return -1; + } + else + return -1; + } + + if(field >= 60) + return -1; + + { + FLAC__int64 tmp = ret; + ret += field * sample_rate; + if(ret < tmp) + return -1; + } + + c = *s++; + if(c >= '0' && c <= '9') + field = (c - '0'); + else + return -1; + if('\0' != (c = *s++)) { + if(c >= '0' && c <= '9') { + field = field * 10 + (c - '0'); + c = *s++; + } + else + return -1; + } + + if(c != '\0') + return -1; + + if(field >= 75) + return -1; + + { + FLAC__int64 tmp = ret; + ret += field * (sample_rate / 75); + if(ret < tmp) + return -1; + } + + return ret; +} + +/* accept minute:second syntax of '[0-9]+:[0-9][0-9]?{,.[0-9]+}', but second < 60, e.g. 0:0.0, 3:5, 15:31.731 + * return sample number or <0 for error + * WATCHOUT: depending on the sample rate, the resulting sample number may be approximate with fractional seconds + */ +static FLAC__int64 local__parse_ms_(const char *s, uint32_t sample_rate) +{ + FLAC__int64 ret, field; + double x; + char c, *end; + + if(sample_rate == 0) + return -1; + + c = *s++; + if(c >= '0' && c <= '9') + field = (c - '0'); + else + return -1; + while(':' != (c = *s++)) { + if(c >= '0' && c <= '9') { + if(field >= (INT64_MAX / 10)) + return -1; + else + field = field * 10 + (c - '0'); + } + else + return -1; + } + + if(field >= INT64_MAX / (60 * sample_rate)) + return -1; + ret = field * 60 * sample_rate; + + if(strspn(s, "0123456789.") != strlen(s)) + return -1; + x = strtod(s, &end); + if(*end || end == s) + return -1; + if(x < 0.0 || x >= 60.0) + return -1; + + ret += (FLAC__int64)(x * sample_rate); + + return ret; +} + +static char *local__get_field_(char **s, FLAC__bool allow_quotes) +{ + FLAC__bool has_quote = false; + char *p; + + FLAC__ASSERT(0 != s); + + if(0 == *s) + return 0; + + /* skip leading whitespace */ + while(**s && 0 != strchr(" \t\r\n", **s)) + (*s)++; + + if(**s == 0) { + *s = 0; + return 0; + } + + if(allow_quotes && (**s == '"')) { + has_quote = true; + (*s)++; + if(**s == 0) { + *s = 0; + return 0; + } + } + + p = *s; + + if(has_quote) { + *s = strchr(*s, '\"'); + /* if there is no matching end quote, it's an error */ + if(0 == *s) + p = *s = 0; + else { + **s = '\0'; + (*s)++; + } + } + else { + while(**s && 0 == strchr(" \t\r\n", **s)) + (*s)++; + if(**s) { + **s = '\0'; + (*s)++; + } + else + *s = 0; + } + + return p; +} + +static FLAC__bool local__cuesheet_parse_(FILE *file, const char **error_message, uint32_t *last_line_read, FLAC__StreamMetadata *cuesheet, uint32_t sample_rate, FLAC__bool is_cdda, FLAC__uint64 lead_out_offset) +{ + char buffer[4096], *line, *field; + uint32_t forced_leadout_track_num = 0; + FLAC__uint64 forced_leadout_track_offset = 0; + int in_track_num = -1, in_index_num = -1; + FLAC__bool disc_has_catalog = false, track_has_flags = false, track_has_isrc = false, has_forced_leadout = false; + FLAC__StreamMetadata_CueSheet *cs = &cuesheet->data.cue_sheet; + + FLAC__ASSERT(!is_cdda || sample_rate == 44100); + /* double protection */ + if(is_cdda && sample_rate != 44100) { + *error_message = "CD-DA cuesheet only allowed with 44.1kHz sample rate"; + return false; + } + + cs->lead_in = is_cdda? 2 * 44100 /* The default lead-in size for CD-DA */ : 0; + cs->is_cd = is_cdda; + + while(0 != fgets(buffer, sizeof(buffer), file)) { + (*last_line_read)++; + line = buffer; + + { + size_t linelen = strlen(line); + if((linelen == sizeof(buffer)-1) && line[linelen-1] != '\n') { + *error_message = "line too long"; + return false; + } + } + + if(0 != (field = local__get_field_(&line, /*allow_quotes=*/false))) { + if(0 == FLAC__STRCASECMP(field, "CATALOG")) { + if(disc_has_catalog) { + *error_message = "found multiple CATALOG commands"; + return false; + } + if(0 == (field = local__get_field_(&line, /*allow_quotes=*/true))) { + *error_message = "CATALOG is missing catalog number"; + return false; + } + if(strlen(field) >= sizeof(cs->media_catalog_number)) { + *error_message = "CATALOG number is too long"; + return false; + } + if(is_cdda && (strlen(field) != 13 || strspn(field, "0123456789") != 13)) { + *error_message = "CD-DA CATALOG number must be 13 decimal digits"; + return false; + } + safe_strncpy(cs->media_catalog_number, field, sizeof(cs->media_catalog_number)); + disc_has_catalog = true; + } + else if(0 == FLAC__STRCASECMP(field, "FLAGS")) { + if(track_has_flags) { + *error_message = "found multiple FLAGS commands"; + return false; + } + if(in_track_num < 0 || in_index_num >= 0) { + *error_message = "FLAGS command must come after TRACK but before INDEX"; + return false; + } + while(0 != (field = local__get_field_(&line, /*allow_quotes=*/false))) { + if(0 == FLAC__STRCASECMP(field, "PRE")) + cs->tracks[cs->num_tracks-1].pre_emphasis = 1; + } + track_has_flags = true; + } + else if(0 == FLAC__STRCASECMP(field, "INDEX")) { + FLAC__int64 xx; + FLAC__StreamMetadata_CueSheet_Track *track = &cs->tracks[cs->num_tracks-1]; + if(in_track_num < 0) { + *error_message = "found INDEX before any TRACK"; + return false; + } + if(0 == (field = local__get_field_(&line, /*allow_quotes=*/false))) { + *error_message = "INDEX is missing index number"; + return false; + } + in_index_num = local__parse_int_(field); + if(in_index_num < 0) { + *error_message = "INDEX has invalid index number"; + return false; + } + FLAC__ASSERT(cs->num_tracks > 0); + if(track->num_indices == 0) { + /* it's the first index point of the track */ + if(in_index_num > 1) { + *error_message = "first INDEX number of a TRACK must be 0 or 1"; + return false; + } + } + else { + if(in_index_num != track->indices[track->num_indices-1].number + 1) { + *error_message = "INDEX numbers must be sequential"; + return false; + } + } + if(is_cdda && in_index_num > 99) { + *error_message = "CD-DA INDEX number must be between 0 and 99, inclusive"; + return false; + } + /*@@@ search for duplicate track number? */ + if(0 == (field = local__get_field_(&line, /*allow_quotes=*/false))) { + *error_message = "INDEX is missing an offset after the index number"; + return false; + } + /* first parse as minute:second:frame format */ + xx = local__parse_msf_(field, sample_rate); + if(xx < 0) { + /* CD-DA must use only MM:SS:FF format */ + if(is_cdda) { + *error_message = "illegal INDEX offset (not of the form MM:SS:FF)"; + return false; + } + /* as an extension for non-CD-DA we allow MM:SS.SS or raw sample number */ + xx = local__parse_ms_(field, sample_rate); + if(xx < 0) { + xx = local__parse_int64_(field); + if(xx < 0) { + *error_message = "illegal INDEX offset"; + return false; + } + } + } + else if(sample_rate % 75 && xx) { + /* only sample zero is exact */ + *error_message = "illegal INDEX offset (MM:SS:FF form not allowed if sample rate is not a multiple of 75)"; + return false; + } + if(is_cdda && cs->num_tracks == 1 && cs->tracks[0].num_indices == 0 && xx != 0) { + *error_message = "first INDEX of first TRACK must have an offset of 00:00:00"; + return false; + } + if(is_cdda && track->num_indices > 0 && (FLAC__uint64)xx <= track->indices[track->num_indices-1].offset) { + *error_message = "CD-DA INDEX offsets must increase in time"; + return false; + } + /* fill in track offset if it's the first index of the track */ + if(track->num_indices == 0) + track->offset = (FLAC__uint64)xx; + if(is_cdda && cs->num_tracks > 1) { + const FLAC__StreamMetadata_CueSheet_Track *prev = &cs->tracks[cs->num_tracks-2]; + if((FLAC__uint64)xx <= prev->offset + prev->indices[prev->num_indices-1].offset) { + *error_message = "CD-DA INDEX offsets must increase in time"; + return false; + } + } + if(!FLAC__metadata_object_cuesheet_track_insert_blank_index(cuesheet, cs->num_tracks-1, track->num_indices)) { + *error_message = "memory allocation error"; + return false; + } + track->indices[track->num_indices-1].offset = (FLAC__uint64)xx - track->offset; + track->indices[track->num_indices-1].number = in_index_num; + } + else if(0 == FLAC__STRCASECMP(field, "ISRC")) { + char *l, *r; + if(track_has_isrc) { + *error_message = "found multiple ISRC commands"; + return false; + } + if(in_track_num < 0 || in_index_num >= 0) { + *error_message = "ISRC command must come after TRACK but before INDEX"; + return false; + } + if(0 == (field = local__get_field_(&line, /*allow_quotes=*/true))) { + *error_message = "ISRC is missing ISRC number"; + return false; + } + /* strip out dashes */ + for(l = r = field; *r; r++) { + if(*r != '-') + *l++ = *r; + } + *l = '\0'; + if(strlen(field) != 12 || strspn(field, "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789") < 5 || strspn(field+5, "1234567890") != 7) { + *error_message = "invalid ISRC number"; + return false; + } + safe_strncpy(cs->tracks[cs->num_tracks-1].isrc, field, sizeof(cs->tracks[cs->num_tracks-1].isrc)); + track_has_isrc = true; + } + else if(0 == FLAC__STRCASECMP(field, "TRACK")) { + if(cs->num_tracks > 0) { + const FLAC__StreamMetadata_CueSheet_Track *prev = &cs->tracks[cs->num_tracks-1]; + if( + prev->num_indices == 0 || + ( + is_cdda && + ( + (prev->num_indices == 1 && prev->indices[0].number != 1) || + (prev->num_indices == 2 && prev->indices[0].number != 1 && prev->indices[1].number != 1) + ) + ) + ) { + *error_message = is_cdda? + "previous TRACK must specify at least one INDEX 01" : + "previous TRACK must specify at least one INDEX"; + return false; + } + } + if(0 == (field = local__get_field_(&line, /*allow_quotes=*/false))) { + *error_message = "TRACK is missing track number"; + return false; + } + in_track_num = local__parse_int_(field); + if(in_track_num < 0) { + *error_message = "TRACK has invalid track number"; + return false; + } + if(in_track_num == 0) { + *error_message = "TRACK number must be greater than 0"; + return false; + } + if(is_cdda) { + if(in_track_num > 99) { + *error_message = "CD-DA TRACK number must be between 1 and 99, inclusive"; + return false; + } + } + else { + if(in_track_num == 255) { + *error_message = "TRACK number 255 is reserved for the lead-out"; + return false; + } + else if(in_track_num > 255) { + *error_message = "TRACK number must be between 1 and 254, inclusive"; + return false; + } + } + if(is_cdda && cs->num_tracks > 0 && in_track_num != cs->tracks[cs->num_tracks-1].number + 1) { + *error_message = "CD-DA TRACK numbers must be sequential"; + return false; + } + /*@@@ search for duplicate track number? */ + if(0 == (field = local__get_field_(&line, /*allow_quotes=*/false))) { + *error_message = "TRACK is missing a track type after the track number"; + return false; + } + if(!FLAC__metadata_object_cuesheet_insert_blank_track(cuesheet, cs->num_tracks)) { + *error_message = "memory allocation error"; + return false; + } + cs->tracks[cs->num_tracks-1].number = in_track_num; + cs->tracks[cs->num_tracks-1].type = (0 == FLAC__STRCASECMP(field, "AUDIO"))? 0 : 1; /*@@@ should we be more strict with the value here? */ + in_index_num = -1; + track_has_flags = false; + track_has_isrc = false; + } + else if(0 == FLAC__STRCASECMP(field, "REM")) { + if(0 != (field = local__get_field_(&line, /*allow_quotes=*/false))) { + if(0 == strcmp(field, "FLAC__lead-in")) { + FLAC__int64 xx; + if(0 == (field = local__get_field_(&line, /*allow_quotes=*/false))) { + *error_message = "FLAC__lead-in is missing offset"; + return false; + } + xx = local__parse_int64_(field); + if(xx < 0) { + *error_message = "illegal FLAC__lead-in offset"; + return false; + } + if(is_cdda && xx % 588 != 0) { + *error_message = "illegal CD-DA FLAC__lead-in offset, must be even multiple of 588 samples"; + return false; + } + cs->lead_in = (FLAC__uint64)xx; + } + else if(0 == strcmp(field, "FLAC__lead-out")) { + int track_num; + FLAC__int64 offset; + if(has_forced_leadout) { + *error_message = "multiple FLAC__lead-out commands"; + return false; + } + if(0 == (field = local__get_field_(&line, /*allow_quotes=*/false))) { + *error_message = "FLAC__lead-out is missing track number"; + return false; + } + track_num = local__parse_int_(field); + if(track_num < 0) { + *error_message = "illegal FLAC__lead-out track number"; + return false; + } + forced_leadout_track_num = (uint32_t)track_num; + /*@@@ search for duplicate track number? */ + if(0 == (field = local__get_field_(&line, /*allow_quotes=*/false))) { + *error_message = "FLAC__lead-out is missing offset"; + return false; + } + offset = local__parse_int64_(field); + if(offset < 0) { + *error_message = "illegal FLAC__lead-out offset"; + return false; + } + forced_leadout_track_offset = (FLAC__uint64)offset; + if(forced_leadout_track_offset != lead_out_offset) { + *error_message = "FLAC__lead-out offset does not match end-of-stream offset"; + return false; + } + has_forced_leadout = true; + } + } + } + } + } + + if(cs->num_tracks == 0) { + *error_message = "there must be at least one TRACK command"; + return false; + } + else { + const FLAC__StreamMetadata_CueSheet_Track *prev = &cs->tracks[cs->num_tracks-1]; + if( + prev->num_indices == 0 || + ( + is_cdda && + ( + (prev->num_indices == 1 && prev->indices[0].number != 1) || + (prev->num_indices == 2 && prev->indices[0].number != 1 && prev->indices[1].number != 1) + ) + ) + ) { + *error_message = is_cdda? + "previous TRACK must specify at least one INDEX 01" : + "previous TRACK must specify at least one INDEX"; + return false; + } + } + + if(!has_forced_leadout) { + forced_leadout_track_num = is_cdda? 170 : 255; + forced_leadout_track_offset = lead_out_offset; + } + if(!FLAC__metadata_object_cuesheet_insert_blank_track(cuesheet, cs->num_tracks)) { + *error_message = "memory allocation error"; + return false; + } + cs->tracks[cs->num_tracks-1].number = forced_leadout_track_num; + cs->tracks[cs->num_tracks-1].offset = forced_leadout_track_offset; + + if(!feof(file)) { + *error_message = "read error"; + return false; + } + return true; +} + +FLAC__StreamMetadata *grabbag__cuesheet_parse(FILE *file, const char **error_message, uint32_t *last_line_read, uint32_t sample_rate, FLAC__bool is_cdda, FLAC__uint64 lead_out_offset) +{ + FLAC__StreamMetadata *cuesheet; + + FLAC__ASSERT(0 != file); + FLAC__ASSERT(0 != error_message); + FLAC__ASSERT(0 != last_line_read); + + *last_line_read = 0; + cuesheet = FLAC__metadata_object_new(FLAC__METADATA_TYPE_CUESHEET); + + if(0 == cuesheet) { + *error_message = "memory allocation error"; + return 0; + } + + if(!local__cuesheet_parse_(file, error_message, last_line_read, cuesheet, sample_rate, is_cdda, lead_out_offset)) { + FLAC__metadata_object_delete(cuesheet); + return 0; + } + + return cuesheet; +} + +void grabbag__cuesheet_emit(FILE *file, const FLAC__StreamMetadata *cuesheet, const char *file_reference) +{ + const FLAC__StreamMetadata_CueSheet *cs; + uint32_t track_num, index_num; + + FLAC__ASSERT(0 != file); + FLAC__ASSERT(0 != cuesheet); + FLAC__ASSERT(cuesheet->type == FLAC__METADATA_TYPE_CUESHEET); + + cs = &cuesheet->data.cue_sheet; + + if(*(cs->media_catalog_number)) + fprintf(file, "CATALOG %s\n", cs->media_catalog_number); + fprintf(file, "FILE %s\n", file_reference); + + FLAC__ASSERT(cs->num_tracks > 0); + + for(track_num = 0; track_num < cs->num_tracks-1; track_num++) { + const FLAC__StreamMetadata_CueSheet_Track *track = cs->tracks + track_num; + + fprintf(file, " TRACK %02u %s\n", (uint32_t)track->number, track->type == 0? "AUDIO" : "DATA"); + + if(track->pre_emphasis) + fprintf(file, " FLAGS PRE\n"); + if(*(track->isrc)) + fprintf(file, " ISRC %s\n", track->isrc); + + for(index_num = 0; index_num < track->num_indices; index_num++) { + const FLAC__StreamMetadata_CueSheet_Index *indx = track->indices + index_num; + + fprintf(file, " INDEX %02u ", (uint32_t)indx->number); + if(cs->is_cd) { + const uint32_t logical_frame = (uint32_t)((track->offset + indx->offset) / (44100 / 75)); + uint32_t m, s, f; + grabbag__cuesheet_frame_to_msf(logical_frame, &m, &s, &f); + fprintf(file, "%02u:%02u:%02u\n", m, s, f); + } + else + fprintf(file, "%" PRIu64 "\n", (track->offset + indx->offset)); + } + } + + fprintf(file, "REM FLAC__lead-in %" PRIu64 "\n", cs->lead_in); + fprintf(file, "REM FLAC__lead-out %u %" PRIu64 "\n", (uint32_t)cs->tracks[track_num].number, cs->tracks[track_num].offset); +} diff --git a/src/share/grabbag/file.c b/src/share/grabbag/file.c new file mode 100644 index 0000000..307645f --- /dev/null +++ b/src/share/grabbag/file.c @@ -0,0 +1,207 @@ +/* grabbag - Convenience lib for various routines common to several tools + * Copyright (C) 2002-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#if defined _MSC_VER || defined __MINGW32__ +#include <sys/utime.h> /* for utime() */ +#include <io.h> /* for chmod(), _setmode(), unlink() */ +#include <fcntl.h> /* for _O_BINARY */ +#else +#include <sys/types.h> /* some flavors of BSD (like OS X) require this to get time_t */ +#endif +#if defined __EMX__ +#include <io.h> /* for setmode(), O_BINARY */ +#include <fcntl.h> /* for _O_BINARY */ +#endif +#include <sys/stat.h> /* for stat(), maybe chmod() */ +#if defined _WIN32 && !defined __CYGWIN__ +#else +#include <unistd.h> /* for unlink() */ +#endif +#include <stdio.h> +#include <stdlib.h> +#include <string.h> /* for strrchr() */ +#if defined _WIN32 && !defined __CYGWIN__ +// for GetFileInformationByHandle() etc +#include <windows.h> +#include <winbase.h> +#endif +#include "share/grabbag.h" +#include "share/compat.h" + + +void grabbag__file_copy_metadata(const char *srcpath, const char *destpath) +{ + struct flac_stat_s srcstat; + + if(0 == flac_stat(srcpath, &srcstat)) { +#if defined(_POSIX_C_SOURCE) && (_POSIX_C_SOURCE >= 200809L) && !defined(_WIN32) + struct timespec srctime[2] = {}; + srctime[0].tv_sec = srcstat.st_atime; + srctime[1].tv_sec = srcstat.st_mtime; +#else + struct utimbuf srctime; + srctime.actime = srcstat.st_atime; + srctime.modtime = srcstat.st_mtime; +#endif + (void)flac_chmod(destpath, srcstat.st_mode); + (void)flac_utime(destpath, &srctime); + } +} + +FLAC__off_t grabbag__file_get_filesize(const char *srcpath) +{ + struct flac_stat_s srcstat; + + if(0 == flac_stat(srcpath, &srcstat)) + return srcstat.st_size; + else + return -1; +} + +const char *grabbag__file_get_basename(const char *srcpath) +{ + const char *p; + + p = strrchr(srcpath, '/'); + if(0 == p) { +#if defined _WIN32 && !defined __CYGWIN__ + p = strrchr(srcpath, '\\'); + if(0 == p) +#endif + return srcpath; + } + return ++p; +} + +FLAC__bool grabbag__file_change_stats(const char *filename, FLAC__bool read_only) +{ + struct flac_stat_s stats; + + if(0 == flac_stat(filename, &stats)) { +#if !defined _MSC_VER && !defined __MINGW32__ + if(read_only) { + stats.st_mode &= ~S_IWUSR; + stats.st_mode &= ~S_IWGRP; + stats.st_mode &= ~S_IWOTH; + } + else { + stats.st_mode |= S_IWUSR; + } +#else + if(read_only) + stats.st_mode &= ~S_IWRITE; + else + stats.st_mode |= S_IWRITE; +#endif + if(0 != flac_chmod(filename, stats.st_mode)) + return false; + } + else + return false; + + return true; +} + +FLAC__bool grabbag__file_are_same(const char *f1, const char *f2) +{ +#if defined _WIN32 && !defined __CYGWIN__ +#if !defined(WINAPI_FAMILY_PARTITION) +#define WINAPI_FAMILY_PARTITION(x) x +#define WINAPI_PARTITION_DESKTOP 1 +#endif + /* see + * http://www.hydrogenaudio.org/forums/index.php?showtopic=49439&pid=444300&st=0 + * http://msdn.microsoft.com/library/default.asp?url=/library/en-us/fileio/fs/getfileinformationbyhandle.asp + * http://msdn.microsoft.com/library/default.asp?url=/library/en-us/fileio/fs/by_handle_file_information_str.asp + * http://msdn.microsoft.com/library/default.asp?url=/library/en-us/fileio/fs/createfile.asp + * apparently both the files have to be open at the same time for the comparison to work + */ + FLAC__bool same = false; + BY_HANDLE_FILE_INFORMATION info1, info2; + HANDLE h1, h2; + BOOL ok = 1; + h1 = CreateFile_utf8(f1, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL); + h2 = CreateFile_utf8(f2, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL); + if(h1 == INVALID_HANDLE_VALUE || h2 == INVALID_HANDLE_VALUE) + ok = 0; +#if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP) + ok &= GetFileInformationByHandle(h1, &info1); + ok &= GetFileInformationByHandle(h2, &info2); + if(ok) + same = + info1.dwVolumeSerialNumber == info2.dwVolumeSerialNumber && + info1.nFileIndexHigh == info2.nFileIndexHigh && + info1.nFileIndexLow == info2.nFileIndexLow + ; +#else // !WINAPI_PARTITION_DESKTOP + FILE_ID_INFO id_info1, id_info2; + same = GetFileInformationByHandleEx(h1, FileIdInfo, &id_info1, sizeof (id_info1)) && + GetFileInformationByHandleEx(h2, FileIdInfo, &id_info2, sizeof (id_info2)) && + id_info1.VolumeSerialNumber == id_info2.VolumeSerialNumber && + memcmp(&id_info1.FileId, &id_info2.FileId, sizeof(id_info1.FileId)) == 0; +#endif // !WINAPI_PARTITION_DESKTOP + if(h1 != INVALID_HANDLE_VALUE) + CloseHandle(h1); + if(h2 != INVALID_HANDLE_VALUE) + CloseHandle(h2); + return same; +#else + struct flac_stat_s s1, s2; + return f1 && f2 && flac_stat(f1, &s1) == 0 && flac_stat(f2, &s2) == 0 && s1.st_ino == s2.st_ino && s1.st_dev == s2.st_dev; +#endif +} + +FLAC__bool grabbag__file_remove_file(const char *filename) +{ + return grabbag__file_change_stats(filename, /*read_only=*/false) && 0 == flac_unlink(filename); +} + +FILE *grabbag__file_get_binary_stdin(void) +{ + /* if something breaks here it is probably due to the presence or + * absence of an underscore before the identifiers 'setmode', + * 'fileno', and/or 'O_BINARY'; check your system header files. + */ +#if defined _MSC_VER || defined __MINGW32__ + _setmode(_fileno(stdin), _O_BINARY); +#elif defined __EMX__ + setmode(fileno(stdin), O_BINARY); +#endif + + return stdin; +} + +FILE *grabbag__file_get_binary_stdout(void) +{ + /* if something breaks here it is probably due to the presence or + * absence of an underscore before the identifiers 'setmode', + * 'fileno', and/or 'O_BINARY'; check your system header files. + */ +#if defined _MSC_VER || defined __MINGW32__ + _setmode(_fileno(stdout), _O_BINARY); +#elif defined __EMX__ + setmode(fileno(stdout), O_BINARY); +#endif + + return stdout; +} diff --git a/src/share/grabbag/picture.c b/src/share/grabbag/picture.c new file mode 100644 index 0000000..9a4aafe --- /dev/null +++ b/src/share/grabbag/picture.c @@ -0,0 +1,515 @@ +/* grabbag - Convenience lib for various routines common to several tools + * Copyright (C) 2006-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include "share/alloc.h" +#include "share/grabbag.h" +#include "FLAC/assert.h" +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include "share/compat.h" +#include "share/safe_str.h" + +/* slightly different that strndup(): this always copies 'size' bytes starting from s into a NUL-terminated string. */ +static char *local__strndup_(const char *s, size_t size) +{ + char *x = safe_malloc_add_2op_(size, /*+*/1); + if(x) { + memcpy(x, s, size); + x[size] = '\0'; + } + return x; +} + +static FLAC__bool local__parse_type_(const char *s, size_t len, FLAC__StreamMetadata_Picture *picture) +{ + size_t i; + FLAC__uint32 val = 0; + + picture->type = FLAC__STREAM_METADATA_PICTURE_TYPE_FRONT_COVER; + + if(len == 0) + return true; /* empty string implies default to 'front cover' */ + + for(i = 0; i < len; i++) { + if(s[i] >= '0' && s[i] <= '9') + val = 10*val + (FLAC__uint32)(s[i] - '0'); + else + return false; + } + + if(i == len) + picture->type = val; + else + return false; + + return true; +} + +static FLAC__bool local__parse_resolution_(const char *s, size_t len, FLAC__StreamMetadata_Picture *picture) +{ + int state = 0; + size_t i; + FLAC__uint32 val = 0; + + picture->width = picture->height = picture->depth = picture->colors = 0; + + if(len == 0) + return true; /* empty string implies client wants to get info from the file itself */ + + for(i = 0; i < len; i++) { + if(s[i] == 'x') { + if(state == 0) + picture->width = val; + else if(state == 1) + picture->height = val; + else + return false; + state++; + val = 0; + } + else if(s[i] == '/') { + if(state == 2) + picture->depth = val; + else + return false; + state++; + val = 0; + } + else if(s[i] >= '0' && s[i] <= '9') + val = 10*val + (FLAC__uint32)(s[i] - '0'); + else + return false; + } + + if(state < 2) + return false; + else if(state == 2) + picture->depth = val; + else if(state == 3) + picture->colors = val; + else + return false; + if(picture->depth < 32 && 1u<<picture->depth < picture->colors) + return false; + + return true; +} + +static FLAC__bool local__extract_mime_type_(FLAC__StreamMetadata *obj) +{ + if(obj->data.picture.data_length >= 8 && 0 == memcmp(obj->data.picture.data, "\x89PNG\x0d\x0a\x1a\x0a", 8)) + return FLAC__metadata_object_picture_set_mime_type(obj, "image/png", /*copy=*/true); + else if(obj->data.picture.data_length >= 6 && (0 == memcmp(obj->data.picture.data, "GIF87a", 6) || 0 == memcmp(obj->data.picture.data, "GIF89a", 6))) + return FLAC__metadata_object_picture_set_mime_type(obj, "image/gif", /*copy=*/true); + else if(obj->data.picture.data_length >= 2 && 0 == memcmp(obj->data.picture.data, "\xff\xd8", 2)) + return FLAC__metadata_object_picture_set_mime_type(obj, "image/jpeg", /*copy=*/true); + return false; +} + +static FLAC__bool local__extract_resolution_color_info_(FLAC__StreamMetadata_Picture *picture) +{ + const FLAC__byte *data = picture->data; + FLAC__uint32 len = picture->data_length; + + if(0 == strcmp(picture->mime_type, "image/png")) { + /* c.f. http://www.w3.org/TR/PNG/ */ + FLAC__bool need_palette = false; /* if IHDR has color_type=3, we need to also read the PLTE chunk to get the #colors */ + if(len < 8 || memcmp(data, "\x89PNG\x0d\x0a\x1a\x0a", 8)) + return false; + /* try to find IHDR chunk */ + data += 8; + len -= 8; + while(len > 12) { /* every PNG chunk must be at least 12 bytes long */ + const FLAC__uint32 clen = (FLAC__uint32)data[0] << 24 | (FLAC__uint32)data[1] << 16 | (FLAC__uint32)data[2] << 8 | (FLAC__uint32)data[3]; + /* First check whether clen makes sense or causes overflow in this bit of code */ + if(clen + 12 <= clen || clen + 12 > len) + return false; + else if(0 == memcmp(data+4, "IHDR", 4) && clen == 13) { + uint32_t color_type = data[17]; + picture->width = (FLAC__uint32)data[8] << 24 | (FLAC__uint32)data[9] << 16 | (FLAC__uint32)data[10] << 8 | (FLAC__uint32)data[11]; + picture->height = (FLAC__uint32)data[12] << 24 | (FLAC__uint32)data[13] << 16 | (FLAC__uint32)data[14] << 8 | (FLAC__uint32)data[15]; + if(color_type == 3) { + /* even though the bit depth for color_type==3 can be 1,2,4,or 8, + * the spec in 11.2.2 of http://www.w3.org/TR/PNG/ says that the + * sample depth is always 8 + */ + picture->depth = 8 * 3u; + need_palette = true; + data += 12 + clen; + len -= 12 + clen; + } + else { + if(color_type == 0) /* greyscale, 1 sample per pixel */ + picture->depth = (FLAC__uint32)data[16]; + if(color_type == 2) /* truecolor, 3 samples per pixel */ + picture->depth = (FLAC__uint32)data[16] * 3u; + if(color_type == 4) /* greyscale+alpha, 2 samples per pixel */ + picture->depth = (FLAC__uint32)data[16] * 2u; + if(color_type == 6) /* truecolor+alpha, 4 samples per pixel */ + picture->depth = (FLAC__uint32)data[16] * 4u; + picture->colors = 0; + return true; + } + } + else if(need_palette && 0 == memcmp(data+4, "PLTE", 4)) { + picture->colors = clen / 3u; + return true; + } + else { + data += 12 + clen; + len -= 12 + clen; + } + } + } + else if(0 == strcmp(picture->mime_type, "image/jpeg")) { + /* c.f. http://www.w3.org/Graphics/JPEG/itu-t81.pdf and Q22 of http://www.faqs.org/faqs/jpeg-faq/part1/ */ + if(len < 2 || memcmp(data, "\xff\xd8", 2)) + return false; + data += 2; + len -= 2; + while(1) { + /* look for sync FF byte */ + for( ; len > 0; data++, len--) { + if(*data == 0xff) + break; + } + if(len == 0) + return false; + /* eat any extra pad FF bytes before marker */ + for( ; len > 0; data++, len--) { + if(*data != 0xff) + break; + } + if(len == 0) + return false; + /* if we hit SOS or EOI, bail */ + if(*data == 0xda || *data == 0xd9) + return false; + /* looking for some SOFn */ + else if(memchr("\xc0\xc1\xc2\xc3\xc5\xc6\xc7\xc9\xca\xcb\xcd\xce\xcf", *data, 13)) { + data++; len--; /* skip marker byte */ + if(len < 2) + return false; + else { + const FLAC__uint32 clen = (FLAC__uint32)data[0] << 8 | (FLAC__uint32)data[1]; + if(clen < 8 || len < clen) + return false; + picture->width = (FLAC__uint32)data[5] << 8 | (FLAC__uint32)data[6]; + picture->height = (FLAC__uint32)data[3] << 8 | (FLAC__uint32)data[4]; + picture->depth = (FLAC__uint32)data[2] * (FLAC__uint32)data[7]; + picture->colors = 0; + return true; + } + } + /* else skip it */ + else { + data++; len--; /* skip marker byte */ + if(len < 2) + return false; + else { + const FLAC__uint32 clen = (FLAC__uint32)data[0] << 8 | (FLAC__uint32)data[1]; + if(clen < 2 || len < clen) + return false; + data += clen; + len -= clen; + } + } + } + } + else if(0 == strcmp(picture->mime_type, "image/gif")) { + /* c.f. http://www.w3.org/Graphics/GIF/spec-gif89a.txt */ + if(len < 14) + return false; + if(memcmp(data, "GIF87a", 6) && memcmp(data, "GIF89a", 6)) + return false; +#if 0 + /* according to the GIF spec, even if the GCTF is 0, the low 3 bits should still tell the total # colors used */ + if(data[10] & 0x80 == 0) + return false; +#endif + picture->width = (FLAC__uint32)data[6] | ((FLAC__uint32)data[7] << 8); + picture->height = (FLAC__uint32)data[8] | ((FLAC__uint32)data[9] << 8); +#if 0 + /* this value doesn't seem to be reliable... */ + picture->depth = (((FLAC__uint32)(data[10] & 0x70) >> 4) + 1) * 3u; +#else + /* ...just pessimistically assume it's 24-bit color without scanning all the color tables */ + picture->depth = 8u * 3u; +#endif + picture->colors = 1u << ((FLAC__uint32)(data[10] & 0x07) + 1u); + return true; + } + return false; +} + +static const char *error_messages[] = { + "memory allocation error", + "invalid picture specification", + "invalid picture specification: can't parse resolution/color part", + "unable to extract resolution and color info from URL, user must set explicitly", + "unable to extract resolution and color info from file, user must set explicitly", + "error opening picture file", + "error reading picture file", + "invalid picture type", + "unable to guess MIME type from file, user must set explicitly", + "type 1 icon must be a 32x32 pixel PNG", + "file not found", /* currently unused */ + "file is too large", + "empty file" +}; + +static const char * read_file (const char * filepath, FLAC__StreamMetadata * obj) +{ + const FLAC__off_t size = grabbag__file_get_filesize(filepath); + FLAC__byte *buffer; + FILE *file; + const char *error_message=NULL; + + if (size < 0) + return error_messages[5]; + + if (size == 0) + return error_messages[12]; + + if (size >= (FLAC__off_t)(1u << FLAC__STREAM_METADATA_LENGTH_LEN)) /* actual limit is less because of other fields in the PICTURE metadata block */ + return error_messages[11]; + + if ((buffer = safe_malloc_(size)) == NULL) + return error_messages[0]; + + if ((file = flac_fopen(filepath, "rb")) == NULL) { + free(buffer); + return error_messages[5]; + } + + if (fread(buffer, 1, size, file) != (size_t) size) { + fclose(file); + free(buffer); + return error_messages[6]; + } + fclose(file); + + if (!FLAC__metadata_object_picture_set_data(obj, buffer, (FLAC__uint32)size, /*copy=*/false)) + error_message = error_messages[6]; + /* try to extract MIME type if user left it blank */ + else if (*obj->data.picture.mime_type == '\0' && !local__extract_mime_type_(obj)) + error_message = error_messages[8]; + /* try to extract resolution/color info if user left it blank */ + else if ((obj->data.picture.width == 0 || obj->data.picture.height == 0 || obj->data.picture.depth == 0) && !local__extract_resolution_color_info_(&obj->data.picture)) + error_message = error_messages[4]; + /* check metadata block size */ + else if (obj->length >= (1u << FLAC__STREAM_METADATA_LENGTH_LEN)) + error_message = error_messages[11]; + + return error_message; +} + +FLAC__StreamMetadata *grabbag__picture_parse_specification(const char *spec, const char **error_message) +{ + FLAC__StreamMetadata *obj; + int state = 0; + + FLAC__ASSERT(0 != spec); + FLAC__ASSERT(0 != error_message); + + /* double protection */ + if(0 == spec) + return 0; + if(0 == error_message) + return 0; + + *error_message = 0; + + if(0 == (obj = FLAC__metadata_object_new(FLAC__METADATA_TYPE_PICTURE))) { + *error_message = error_messages[0]; + return obj; + } + + if(strchr(spec, '|')) { /* full format */ + const char *p; + char *q; + for(p = spec; *error_message==0 && *p; ) { + if(*p == '|') { + switch(state) { + case 0: /* type */ + if(!local__parse_type_(spec, p-spec, &obj->data.picture)) + *error_message = error_messages[7]; + break; + case 1: /* mime type */ + if(p-spec) { /* if blank, we'll try to guess later from the picture data */ + if(0 == (q = local__strndup_(spec, p-spec))) + *error_message = error_messages[0]; + else if(!FLAC__metadata_object_picture_set_mime_type(obj, q, /*copy=*/false)) + *error_message = error_messages[0]; + } + break; + case 2: /* description */ + if(0 == (q = local__strndup_(spec, p-spec))) + *error_message = error_messages[0]; + else if(!FLAC__metadata_object_picture_set_description(obj, (FLAC__byte*)q, /*copy=*/false)) + *error_message = error_messages[0]; + break; + case 3: /* resolution/color (e.g. [300x300x16[/1234]] */ + if(!local__parse_resolution_(spec, p-spec, &obj->data.picture)) + *error_message = error_messages[2]; + break; + default: + *error_message = error_messages[1]; + break; + } + p++; + spec = p; + state++; + } + else + p++; + } + } + else { /* simple format, filename only, everything else guessed */ + if(!local__parse_type_("", 0, &obj->data.picture)) /* use default picture type */ + *error_message = error_messages[7]; + /* leave MIME type to be filled in later */ + /* leave description empty */ + /* leave the rest to be filled in later: */ + else if(!local__parse_resolution_("", 0, &obj->data.picture)) + *error_message = error_messages[2]; + else + state = 4; + } + + /* parse filename, read file, try to extract resolution/color info if needed */ + if(*error_message == 0) { + if(state != 4) + *error_message = error_messages[1]; + else { /* 'spec' points to filename/URL */ + if(0 == strcmp(obj->data.picture.mime_type, "-->")) { /* magic MIME type means URL */ + if(strlen(spec) == 0) + *error_message = error_messages[1]; + else if(!FLAC__metadata_object_picture_set_data(obj, (FLAC__byte*)spec, strlen(spec), /*copy=*/true)) + *error_message = error_messages[0]; + else if(obj->data.picture.width == 0 || obj->data.picture.height == 0 || obj->data.picture.depth == 0) + *error_message = error_messages[3]; + } + else { /* regular picture file */ + *error_message = read_file (spec, obj); + } + } + } + + if(*error_message == 0) { + if( + obj->data.picture.type == FLAC__STREAM_METADATA_PICTURE_TYPE_FILE_ICON_STANDARD && + ( + (strcmp(obj->data.picture.mime_type, "image/png") && strcmp(obj->data.picture.mime_type, "-->")) || + obj->data.picture.width != 32 || + obj->data.picture.height != 32 + ) + ) + *error_message = error_messages[9]; + } + + if(*error_message && obj) { + FLAC__metadata_object_delete(obj); + obj = 0; + } + + return obj; +} + +FLAC__StreamMetadata *grabbag__picture_from_specification(int type, const char *mime_type_in, const char * description, + const PictureResolution * res, const char * filepath, const char **error_message) +{ + + FLAC__StreamMetadata *obj; + char mime_type [64] ; + + if (error_message == 0) + return 0; + + safe_strncpy(mime_type, mime_type_in, sizeof (mime_type)); + + *error_message = 0; + + if ((obj = FLAC__metadata_object_new(FLAC__METADATA_TYPE_PICTURE)) == 0) { + *error_message = error_messages[0]; + return obj; + } + + /* Picture type if known. */ + obj->data.picture.type = type >= 0 ? type : FLAC__STREAM_METADATA_PICTURE_TYPE_FRONT_COVER; + + /* Mime type if known. */ + if (mime_type_in && ! FLAC__metadata_object_picture_set_mime_type(obj, mime_type, /*copy=*/true)) { + *error_message = error_messages[0]; + return obj; + } + + /* Description if present. */ + if (description && ! FLAC__metadata_object_picture_set_description(obj, (FLAC__byte*) description, /*copy=*/true)) { + *error_message = error_messages[0]; + return obj; + } + + if (res == NULL) { + obj->data.picture.width = 0; + obj->data.picture.height = 0; + obj->data.picture.depth = 0; + obj->data.picture.colors = 0; + } + else { + obj->data.picture.width = res->width; + obj->data.picture.height = res->height; + obj->data.picture.depth = res->depth; + obj->data.picture.colors = res->colors; + } + + if (strcmp(obj->data.picture.mime_type, "-->") == 0) { /* magic MIME type means URL */ + if (!FLAC__metadata_object_picture_set_data(obj, (FLAC__byte*)filepath, strlen(filepath), /*copy=*/true)) + *error_message = error_messages[0]; + else if (obj->data.picture.width == 0 || obj->data.picture.height == 0 || obj->data.picture.depth == 0) + *error_message = error_messages[3]; + } + else { + *error_message = read_file (filepath, obj); + } + + if (*error_message == NULL) { + if ( + obj->data.picture.type == FLAC__STREAM_METADATA_PICTURE_TYPE_FILE_ICON_STANDARD && + ( + (strcmp(obj->data.picture.mime_type, "image/png") && strcmp(obj->data.picture.mime_type, "-->")) || + obj->data.picture.width != 32 || + obj->data.picture.height != 32 + ) + ) + *error_message = error_messages[9]; + } + + if (*error_message && obj) { + FLAC__metadata_object_delete(obj); + obj = 0; + } + + return obj; +} diff --git a/src/share/grabbag/replaygain.c b/src/share/grabbag/replaygain.c new file mode 100644 index 0000000..32c9603 --- /dev/null +++ b/src/share/grabbag/replaygain.c @@ -0,0 +1,669 @@ +/* grabbag - Convenience lib for various routines common to several tools + * Copyright (C) 2002-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include <locale.h> +#include <math.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#if defined _MSC_VER || defined __MINGW32__ +#include <io.h> /* for chmod() */ +#endif +#include <sys/stat.h> /* for stat(), maybe chmod() */ + +#include "FLAC/assert.h" +#include "FLAC/metadata.h" +#include "FLAC/stream_decoder.h" +#include "share/grabbag.h" +#include "share/replaygain_analysis.h" +#include "share/safe_str.h" + +#ifdef local_min +#undef local_min +#endif +#define local_min(a,b) ((a)<(b)?(a):(b)) + +#ifdef local_max +#undef local_max +#endif +#define local_max(a,b) ((a)>(b)?(a):(b)) + +#ifdef abs32 +#undef abs32 +#endif +#define abs32(a) (((a)==INT32_MIN)?INT32_MAX:abs(a)) + +static const char *reference_format_ = "%s=%2.1f dB"; +static const char *gain_format_ = "%s=%+2.2f dB"; +static const char *peak_format_ = "%s=%1.8f"; + +static double album_peak_, title_peak_; + +const uint32_t GRABBAG__REPLAYGAIN_MAX_TAG_SPACE_REQUIRED = 190; +/* + FLAC__STREAM_METADATA_VORBIS_COMMENT_ENTRY_LENGTH_LEN/8 + 29 + 1 + 8 + + FLAC__STREAM_METADATA_VORBIS_COMMENT_ENTRY_LENGTH_LEN/8 + 21 + 1 + 10 + + FLAC__STREAM_METADATA_VORBIS_COMMENT_ENTRY_LENGTH_LEN/8 + 21 + 1 + 12 + + FLAC__STREAM_METADATA_VORBIS_COMMENT_ENTRY_LENGTH_LEN/8 + 21 + 1 + 10 + + FLAC__STREAM_METADATA_VORBIS_COMMENT_ENTRY_LENGTH_LEN/8 + 21 + 1 + 12 +*/ + +const FLAC__byte * const GRABBAG__REPLAYGAIN_TAG_REFERENCE_LOUDNESS = (const FLAC__byte * const)"REPLAYGAIN_REFERENCE_LOUDNESS"; +const FLAC__byte * const GRABBAG__REPLAYGAIN_TAG_TITLE_GAIN = (const FLAC__byte * const)"REPLAYGAIN_TRACK_GAIN"; +const FLAC__byte * const GRABBAG__REPLAYGAIN_TAG_TITLE_PEAK = (const FLAC__byte * const)"REPLAYGAIN_TRACK_PEAK"; +const FLAC__byte * const GRABBAG__REPLAYGAIN_TAG_ALBUM_GAIN = (const FLAC__byte * const)"REPLAYGAIN_ALBUM_GAIN"; +const FLAC__byte * const GRABBAG__REPLAYGAIN_TAG_ALBUM_PEAK = (const FLAC__byte * const)"REPLAYGAIN_ALBUM_PEAK"; + + +static FLAC__bool get_file_stats_(const char *filename, struct flac_stat_s *stats) +{ + FLAC__ASSERT(0 != filename); + FLAC__ASSERT(0 != stats); + return (0 == flac_stat(filename, stats)); +} + +static void set_file_stats_(const char *filename, struct flac_stat_s *stats) +{ + FLAC__ASSERT(0 != filename); + FLAC__ASSERT(0 != stats); + + (void)flac_chmod(filename, stats->st_mode); +} + +static FLAC__bool append_tag_(FLAC__StreamMetadata *block, const char *format, const FLAC__byte *name, float value) +{ + char buffer[256]; + char *saved_locale; + FLAC__StreamMetadata_VorbisComment_Entry entry; + + FLAC__ASSERT(0 != block); + FLAC__ASSERT(block->type == FLAC__METADATA_TYPE_VORBIS_COMMENT); + FLAC__ASSERT(0 != format); + FLAC__ASSERT(0 != name); + + buffer[sizeof(buffer)-1] = '\0'; + /* + * We need to save the old locale and switch to "C" because the locale + * influences the formatting of %f and we want it a certain way. + */ + saved_locale = strdup(setlocale(LC_ALL, 0)); + if (0 == saved_locale) + return false; + setlocale(LC_ALL, "C"); + flac_snprintf(buffer, sizeof(buffer), format, name, value); + setlocale(LC_ALL, saved_locale); + free(saved_locale); + + entry.entry = (FLAC__byte *)buffer; + entry.length = strlen(buffer); + + return FLAC__metadata_object_vorbiscomment_append_comment(block, entry, /*copy=*/true); +} + +FLAC__bool grabbag__replaygain_is_valid_sample_frequency(uint32_t sample_frequency) +{ + return ValidGainFrequency( sample_frequency ); +} + +FLAC__bool grabbag__replaygain_init(uint32_t sample_frequency) +{ + title_peak_ = album_peak_ = 0.0; + return InitGainAnalysis((long)sample_frequency) == INIT_GAIN_ANALYSIS_OK; +} + +FLAC__bool grabbag__replaygain_analyze(const FLAC__int32 * const input[], FLAC__bool is_stereo, uint32_t bps, uint32_t samples) +{ + /* using a small buffer improves data locality; we'd like it to fit easily in the dcache */ + static flac_float_t lbuffer[2048], rbuffer[2048]; + static const uint32_t nbuffer = sizeof(lbuffer) / sizeof(lbuffer[0]); + FLAC__int32 block_peak = 0, s; + uint32_t i, j; + + FLAC__ASSERT(bps >= FLAC__MIN_BITS_PER_SAMPLE && bps <= FLAC__MAX_BITS_PER_SAMPLE); + FLAC__ASSERT(FLAC__MIN_BITS_PER_SAMPLE == 4 && FLAC__MAX_BITS_PER_SAMPLE == 32); + + if(bps == 16) { + if(is_stereo) { + j = 0; + while(samples > 0) { + const uint32_t n = local_min(samples, nbuffer); + for(i = 0; i < n; i++, j++) { + s = input[0][j]; + lbuffer[i] = (flac_float_t)s; + s = abs(s); + block_peak = local_max(block_peak, s); + + s = input[1][j]; + rbuffer[i] = (flac_float_t)s; + s = abs(s); + block_peak = local_max(block_peak, s); + } + samples -= n; + if(AnalyzeSamples(lbuffer, rbuffer, n, 2) != GAIN_ANALYSIS_OK) + return false; + } + } + else { + j = 0; + while(samples > 0) { + const uint32_t n = local_min(samples, nbuffer); + for(i = 0; i < n; i++, j++) { + s = input[0][j]; + lbuffer[i] = (flac_float_t)s; + s = abs(s); + block_peak = local_max(block_peak, s); + } + samples -= n; + if(AnalyzeSamples(lbuffer, 0, n, 1) != GAIN_ANALYSIS_OK) + return false; + } + } + } + else { + const double scale = ( + (bps > 16)? + (double)1. / (double)(1u << (bps - 16)) : + (double)(1u << (16 - bps)) + ); + + if(is_stereo) { + j = 0; + while(samples > 0) { + const uint32_t n = local_min(samples, nbuffer); + for(i = 0; i < n; i++, j++) { + s = input[0][j]; + lbuffer[i] = (flac_float_t)(scale * (double)s); + s = abs32(s); + block_peak = local_max(block_peak, s); + + s = input[1][j]; + rbuffer[i] = (flac_float_t)(scale * (double)s); + s = abs32(s); + block_peak = local_max(block_peak, s); + } + samples -= n; + if(AnalyzeSamples(lbuffer, rbuffer, n, 2) != GAIN_ANALYSIS_OK) + return false; + } + } + else { + j = 0; + while(samples > 0) { + const uint32_t n = local_min(samples, nbuffer); + for(i = 0; i < n; i++, j++) { + s = input[0][j]; + lbuffer[i] = (flac_float_t)(scale * (double)s); + s = abs32(s); + block_peak = local_max(block_peak, s); + } + samples -= n; + if(AnalyzeSamples(lbuffer, 0, n, 1) != GAIN_ANALYSIS_OK) + return false; + } + } + } + + { + const double peak_scale = (double)(1u << (bps - 1)); + double peak = (double)block_peak / peak_scale; + if(peak > title_peak_) + title_peak_ = peak; + if(peak > album_peak_) + album_peak_ = peak; + } + + return true; +} + +void grabbag__replaygain_get_album(float *gain, float *peak) +{ + *gain = (float)GetAlbumGain(); + *peak = (float)album_peak_; + album_peak_ = 0.0; +} + +void grabbag__replaygain_get_title(float *gain, float *peak) +{ + *gain = (float)GetTitleGain(); + *peak = (float)title_peak_; + title_peak_ = 0.0; +} + + +typedef struct { + uint32_t channels; + uint32_t bits_per_sample; + uint32_t sample_rate; + FLAC__bool error; +} DecoderInstance; + +static FLAC__StreamDecoderWriteStatus write_callback_(const FLAC__StreamDecoder *decoder, const FLAC__Frame *frame, const FLAC__int32 * const buffer[], void *client_data) +{ + DecoderInstance *instance = (DecoderInstance*)client_data; + const uint32_t bits_per_sample = frame->header.bits_per_sample; + const uint32_t channels = frame->header.channels; + const uint32_t sample_rate = frame->header.sample_rate; + const uint32_t samples = frame->header.blocksize; + + (void)decoder; + + if( + !instance->error && + (channels == 2 || channels == 1) && + bits_per_sample == instance->bits_per_sample && + channels == instance->channels && + sample_rate == instance->sample_rate + ) { + instance->error = !grabbag__replaygain_analyze(buffer, channels==2, bits_per_sample, samples); + } + else { + instance->error = true; + } + + if(!instance->error) + return FLAC__STREAM_DECODER_WRITE_STATUS_CONTINUE; + else + return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT; +} + +static void metadata_callback_(const FLAC__StreamDecoder *decoder, const FLAC__StreamMetadata *metadata, void *client_data) +{ + DecoderInstance *instance = (DecoderInstance*)client_data; + + (void)decoder; + + if(metadata->type == FLAC__METADATA_TYPE_STREAMINFO) { + instance->bits_per_sample = metadata->data.stream_info.bits_per_sample; + instance->channels = metadata->data.stream_info.channels; + instance->sample_rate = metadata->data.stream_info.sample_rate; + + if(instance->channels != 1 && instance->channels != 2) { + instance->error = true; + return; + } + + if(!grabbag__replaygain_is_valid_sample_frequency(instance->sample_rate)) { + instance->error = true; + return; + } + } +} + +static void error_callback_(const FLAC__StreamDecoder *decoder, FLAC__StreamDecoderErrorStatus status, void *client_data) +{ + DecoderInstance *instance = (DecoderInstance*)client_data; + + (void)decoder, (void)status; + + instance->error = true; +} + +const char *grabbag__replaygain_analyze_file(const char *filename, float *title_gain, float *title_peak) +{ + DecoderInstance instance; + FLAC__StreamDecoder *decoder = FLAC__stream_decoder_new(); + + if(0 == decoder) + return "memory allocation error"; + + instance.error = false; + + /* It does these three by default but lets be explicit: */ + FLAC__stream_decoder_set_md5_checking(decoder, false); + FLAC__stream_decoder_set_metadata_ignore_all(decoder); + FLAC__stream_decoder_set_metadata_respond(decoder, FLAC__METADATA_TYPE_STREAMINFO); + + if(FLAC__stream_decoder_init_file(decoder, filename, write_callback_, metadata_callback_, error_callback_, &instance) != FLAC__STREAM_DECODER_INIT_STATUS_OK) { + FLAC__stream_decoder_delete(decoder); + return "initializing decoder"; + } + + if(!FLAC__stream_decoder_process_until_end_of_stream(decoder) || instance.error) { + FLAC__stream_decoder_delete(decoder); + return "decoding file"; + } + + FLAC__stream_decoder_delete(decoder); + + grabbag__replaygain_get_title(title_gain, title_peak); + + return 0; +} + +const char *grabbag__replaygain_store_to_vorbiscomment(FLAC__StreamMetadata *block, float album_gain, float album_peak, float title_gain, float title_peak) +{ + const char *error; + + if(0 != (error = grabbag__replaygain_store_to_vorbiscomment_reference(block))) + return error; + + if(0 != (error = grabbag__replaygain_store_to_vorbiscomment_title(block, title_gain, title_peak))) + return error; + + if(0 != (error = grabbag__replaygain_store_to_vorbiscomment_album(block, album_gain, album_peak))) + return error; + + return 0; +} + +const char *grabbag__replaygain_store_to_vorbiscomment_reference(FLAC__StreamMetadata *block) +{ + FLAC__ASSERT(0 != block); + FLAC__ASSERT(block->type == FLAC__METADATA_TYPE_VORBIS_COMMENT); + + if(FLAC__metadata_object_vorbiscomment_remove_entries_matching(block, (const char *)GRABBAG__REPLAYGAIN_TAG_REFERENCE_LOUDNESS) < 0) + return "memory allocation error"; + + if(!append_tag_(block, reference_format_, GRABBAG__REPLAYGAIN_TAG_REFERENCE_LOUDNESS, ReplayGainReferenceLoudness)) + return "memory allocation error"; + + return 0; +} + +const char *grabbag__replaygain_store_to_vorbiscomment_album(FLAC__StreamMetadata *block, float album_gain, float album_peak) +{ + FLAC__ASSERT(0 != block); + FLAC__ASSERT(block->type == FLAC__METADATA_TYPE_VORBIS_COMMENT); + + if( + FLAC__metadata_object_vorbiscomment_remove_entries_matching(block, (const char *)GRABBAG__REPLAYGAIN_TAG_ALBUM_GAIN) < 0 || + FLAC__metadata_object_vorbiscomment_remove_entries_matching(block, (const char *)GRABBAG__REPLAYGAIN_TAG_ALBUM_PEAK) < 0 + ) + return "memory allocation error"; + + if( + !append_tag_(block, gain_format_, GRABBAG__REPLAYGAIN_TAG_ALBUM_GAIN, album_gain) || + !append_tag_(block, peak_format_, GRABBAG__REPLAYGAIN_TAG_ALBUM_PEAK, album_peak) + ) + return "memory allocation error"; + + return 0; +} + +const char *grabbag__replaygain_store_to_vorbiscomment_title(FLAC__StreamMetadata *block, float title_gain, float title_peak) +{ + FLAC__ASSERT(0 != block); + FLAC__ASSERT(block->type == FLAC__METADATA_TYPE_VORBIS_COMMENT); + + if( + FLAC__metadata_object_vorbiscomment_remove_entries_matching(block, (const char *)GRABBAG__REPLAYGAIN_TAG_TITLE_GAIN) < 0 || + FLAC__metadata_object_vorbiscomment_remove_entries_matching(block, (const char *)GRABBAG__REPLAYGAIN_TAG_TITLE_PEAK) < 0 + ) + return "memory allocation error"; + + if( + !append_tag_(block, gain_format_, GRABBAG__REPLAYGAIN_TAG_TITLE_GAIN, title_gain) || + !append_tag_(block, peak_format_, GRABBAG__REPLAYGAIN_TAG_TITLE_PEAK, title_peak) + ) + return "memory allocation error"; + + return 0; +} + +static const char *store_to_file_pre_(const char *filename, FLAC__Metadata_Chain **chain, FLAC__StreamMetadata **block) +{ + FLAC__Metadata_Iterator *iterator; + const char *error; + FLAC__bool found_vc_block = false; + + if(0 == (*chain = FLAC__metadata_chain_new())) + return "memory allocation error"; + + if(!FLAC__metadata_chain_read(*chain, filename)) { + error = FLAC__Metadata_ChainStatusString[FLAC__metadata_chain_status(*chain)]; + FLAC__metadata_chain_delete(*chain); + return error; + } + + if(0 == (iterator = FLAC__metadata_iterator_new())) { + FLAC__metadata_chain_delete(*chain); + return "memory allocation error"; + } + + FLAC__metadata_iterator_init(iterator, *chain); + + do { + *block = FLAC__metadata_iterator_get_block(iterator); + if((*block)->type == FLAC__METADATA_TYPE_VORBIS_COMMENT) + found_vc_block = true; + } while(!found_vc_block && FLAC__metadata_iterator_next(iterator)); + + if(!found_vc_block) { + /* create a new block */ + *block = FLAC__metadata_object_new(FLAC__METADATA_TYPE_VORBIS_COMMENT); + if(0 == *block) { + FLAC__metadata_chain_delete(*chain); + FLAC__metadata_iterator_delete(iterator); + return "memory allocation error"; + } + while(FLAC__metadata_iterator_next(iterator)) + ; + if(!FLAC__metadata_iterator_insert_block_after(iterator, *block)) { + error = FLAC__Metadata_ChainStatusString[FLAC__metadata_chain_status(*chain)]; + FLAC__metadata_chain_delete(*chain); + FLAC__metadata_iterator_delete(iterator); + return error; + } + /* iterator is left pointing to new block */ + FLAC__ASSERT(FLAC__metadata_iterator_get_block(iterator) == *block); + } + + FLAC__metadata_iterator_delete(iterator); + + FLAC__ASSERT(0 != *block); + FLAC__ASSERT((*block)->type == FLAC__METADATA_TYPE_VORBIS_COMMENT); + + return 0; +} + +static const char *store_to_file_post_(const char *filename, FLAC__Metadata_Chain *chain, FLAC__bool preserve_modtime) +{ + struct flac_stat_s stats; + const FLAC__bool have_stats = get_file_stats_(filename, &stats); + + (void)grabbag__file_change_stats(filename, /*read_only=*/false); + + FLAC__metadata_chain_sort_padding(chain); + if(!FLAC__metadata_chain_write(chain, /*use_padding=*/true, preserve_modtime)) { + const char *error; + error = FLAC__Metadata_ChainStatusString[FLAC__metadata_chain_status(chain)]; + FLAC__metadata_chain_delete(chain); + return error; + } + + FLAC__metadata_chain_delete(chain); + + if(have_stats) + set_file_stats_(filename, &stats); + + return 0; +} + +const char *grabbag__replaygain_store_to_file(const char *filename, float album_gain, float album_peak, float title_gain, float title_peak, FLAC__bool preserve_modtime) +{ + FLAC__Metadata_Chain *chain; + FLAC__StreamMetadata *block = NULL; + const char *error; + + if(0 != (error = store_to_file_pre_(filename, &chain, &block))) + return error; + + if(0 != (error = grabbag__replaygain_store_to_vorbiscomment(block, album_gain, album_peak, title_gain, title_peak))) { + FLAC__metadata_chain_delete(chain); + return error; + } + + if(0 != (error = store_to_file_post_(filename, chain, preserve_modtime))) + return error; + + return 0; +} + +const char *grabbag__replaygain_store_to_file_reference(const char *filename, FLAC__bool preserve_modtime) +{ + FLAC__Metadata_Chain *chain; + FLAC__StreamMetadata *block = NULL; + const char *error; + + if(0 != (error = store_to_file_pre_(filename, &chain, &block))) + return error; + + if(0 != (error = grabbag__replaygain_store_to_vorbiscomment_reference(block))) { + FLAC__metadata_chain_delete(chain); + return error; + } + + if(0 != (error = store_to_file_post_(filename, chain, preserve_modtime))) + return error; + + return 0; +} + +const char *grabbag__replaygain_store_to_file_album(const char *filename, float album_gain, float album_peak, FLAC__bool preserve_modtime) +{ + FLAC__Metadata_Chain *chain; + FLAC__StreamMetadata *block = NULL; + const char *error; + + if(0 != (error = store_to_file_pre_(filename, &chain, &block))) + return error; + + if(0 != (error = grabbag__replaygain_store_to_vorbiscomment_album(block, album_gain, album_peak))) { + FLAC__metadata_chain_delete(chain); + return error; + } + + if(0 != (error = store_to_file_post_(filename, chain, preserve_modtime))) + return error; + + return 0; +} + +const char *grabbag__replaygain_store_to_file_title(const char *filename, float title_gain, float title_peak, FLAC__bool preserve_modtime) +{ + FLAC__Metadata_Chain *chain; + FLAC__StreamMetadata *block = NULL; + const char *error; + + if(0 != (error = store_to_file_pre_(filename, &chain, &block))) + return error; + + if(0 != (error = grabbag__replaygain_store_to_vorbiscomment_title(block, title_gain, title_peak))) { + FLAC__metadata_chain_delete(chain); + return error; + } + + if(0 != (error = store_to_file_post_(filename, chain, preserve_modtime))) + return error; + + return 0; +} + +static FLAC__bool parse_double_(const FLAC__StreamMetadata_VorbisComment_Entry *entry, double *val) +{ + char s[32], *end; + const char *p, *q; + double v; + + FLAC__ASSERT(0 != entry); + FLAC__ASSERT(0 != val); + + p = (const char *)entry->entry; + q = strchr(p, '='); + if(0 == q) + return false; + q++; + safe_strncpy(s, q, local_min(sizeof(s), (size_t) (entry->length - (q-p)))); + + v = strtod(s, &end); + if(end == s) + return false; + + *val = v; + return true; +} + +FLAC__bool grabbag__replaygain_load_from_vorbiscomment(const FLAC__StreamMetadata *block, FLAC__bool album_mode, FLAC__bool strict, double *reference, double *gain, double *peak) +{ + int reference_offset, gain_offset, peak_offset; + char *saved_locale; + FLAC__bool res = true; + + FLAC__ASSERT(0 != block); + FLAC__ASSERT(0 != reference); + FLAC__ASSERT(0 != gain); + FLAC__ASSERT(0 != peak); + FLAC__ASSERT(block->type == FLAC__METADATA_TYPE_VORBIS_COMMENT); + + /* Default to current level until overridden by a detected tag; this + * will always be true until we change replaygain_analysis.c + */ + *reference = ReplayGainReferenceLoudness; + + /* + * We need to save the old locale and switch to "C" because the locale + * influences the behaviour of strtod and we want it a certain way. + */ + saved_locale = strdup(setlocale(LC_ALL, 0)); + if (0 == saved_locale) + return false; + setlocale(LC_ALL, "C"); + + if(0 <= (reference_offset = FLAC__metadata_object_vorbiscomment_find_entry_from(block, /*offset=*/0, (const char *)GRABBAG__REPLAYGAIN_TAG_REFERENCE_LOUDNESS))) + (void)parse_double_(block->data.vorbis_comment.comments + reference_offset, reference); + + if(0 > (gain_offset = FLAC__metadata_object_vorbiscomment_find_entry_from(block, /*offset=*/0, (const char *)(album_mode? GRABBAG__REPLAYGAIN_TAG_ALBUM_GAIN : GRABBAG__REPLAYGAIN_TAG_TITLE_GAIN)))) + res = false; + if(0 > (peak_offset = FLAC__metadata_object_vorbiscomment_find_entry_from(block, /*offset=*/0, (const char *)(album_mode? GRABBAG__REPLAYGAIN_TAG_ALBUM_PEAK : GRABBAG__REPLAYGAIN_TAG_TITLE_PEAK)))) + res = false; + + if(res && !parse_double_(block->data.vorbis_comment.comments + gain_offset, gain)) + res = false; + if(res && !parse_double_(block->data.vorbis_comment.comments + peak_offset, peak)) + res = false; + if(res && *peak < 0.0) + res = false; + + setlocale(LC_ALL, saved_locale); + free(saved_locale); + + /* something failed; retry with strict */ + if (!res && !strict) + res = grabbag__replaygain_load_from_vorbiscomment(block, !album_mode, /*strict=*/true, reference, gain, peak); + + return res; +} + +double grabbag__replaygain_compute_scale_factor(double peak, double gain, double preamp, FLAC__bool prevent_clipping) +{ + double scale; + FLAC__ASSERT(peak >= 0.0); + gain += preamp; + scale = (float) pow(10.0, gain * 0.05); + if(prevent_clipping && peak > 0.0) { + const double max_scale = (float)(1.0 / peak); + if(scale > max_scale) + scale = max_scale; + } + return scale; +} diff --git a/src/share/grabbag/seektable.c b/src/share/grabbag/seektable.c new file mode 100644 index 0000000..01caa99 --- /dev/null +++ b/src/share/grabbag/seektable.c @@ -0,0 +1,105 @@ +/* grabbag - Convenience lib for various routines common to several tools + * Copyright (C) 2002-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include "share/grabbag.h" +#include "share/compat.h" +#include "FLAC/assert.h" +#include <stdlib.h> /* for atoi() */ +#include <string.h> + +FLAC__bool grabbag__seektable_convert_specification_to_template(const char *spec, FLAC__bool only_explicit_placeholders, FLAC__uint64 total_samples_to_encode, uint32_t sample_rate, FLAC__StreamMetadata *seektable_template, FLAC__bool *spec_has_real_points) +{ + uint32_t i; + const char *pt; + + FLAC__ASSERT(0 != spec); + FLAC__ASSERT(0 != seektable_template); + FLAC__ASSERT(seektable_template->type == FLAC__METADATA_TYPE_SEEKTABLE); + + if(0 != spec_has_real_points) + *spec_has_real_points = false; + + for(pt = spec, i = 0; pt && *pt; i++) { + const char *q = strchr(pt, ';'); + FLAC__ASSERT(0 != q); + + if(q > pt) { + if(0 == strncmp(pt, "X;", 2)) { /* -S X */ + if(!FLAC__metadata_object_seektable_template_append_placeholders(seektable_template, 1)) + return false; + } + else if(q[-1] == 'x') { /* -S #x */ + if(total_samples_to_encode > 0) { /* we can only do these if we know the number of samples to encode up front */ + if(0 != spec_has_real_points) + *spec_has_real_points = true; + if(!only_explicit_placeholders) { + const int n = (uint32_t)atoi(pt); + if(n > 0) + if(!FLAC__metadata_object_seektable_template_append_spaced_points(seektable_template, (uint32_t)n, total_samples_to_encode)) + return false; + } + } + } + else if(q[-1] == 's') { /* -S #s */ + if(total_samples_to_encode > 0 && sample_rate > 0) { /* we can only do these if we know the number of samples and sample rate to encode up front */ + if(0 != spec_has_real_points) + *spec_has_real_points = true; + if(!only_explicit_placeholders) { + const double sec = atof(pt); + if(sec > 0.0) { + uint32_t samples = (uint32_t)(sec * (double)sample_rate); + /* Restrict seekpoints to two per second of audio. */ + samples = samples < sample_rate / 2 ? sample_rate / 2 : samples; + if(samples > 0) { + /* +1 for the initial point at sample 0 */ + if(!FLAC__metadata_object_seektable_template_append_spaced_points_by_samples(seektable_template, samples, total_samples_to_encode)) + return false; + } + } + } + } + } + else { /* -S # */ + if(0 != spec_has_real_points) + *spec_has_real_points = true; + if(!only_explicit_placeholders) { + char *endptr; + const FLAC__int64 n = (FLAC__int64)strtoll(pt, &endptr, 10); + if( + (n > 0 || (endptr > pt && *endptr == ';')) && /* is a valid number (extra check needed for "0") */ + (total_samples_to_encode == 0 || (FLAC__uint64)n < total_samples_to_encode) /* number is not >= the known total_samples_to_encode */ + ) + if(!FLAC__metadata_object_seektable_template_append_point(seektable_template, (FLAC__uint64)n)) + return false; + } + } + } + + pt = ++q; + } + + if(!FLAC__metadata_object_seektable_template_sort(seektable_template, /*compact=*/true)) + return false; + + return true; +} diff --git a/src/share/grabbag/snprintf.c b/src/share/grabbag/snprintf.c new file mode 100644 index 0000000..bd7ffba --- /dev/null +++ b/src/share/grabbag/snprintf.c @@ -0,0 +1,101 @@ +/* grabbag - Convenience lib for various routines common to several tools + * Copyright (C) 2013-2023 Xiph.Org Foundation + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * - Neither the name of the Xiph.org Foundation nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include <stdio.h> +#include <stdarg.h> + +#include "share/compat.h" + +/* + * FLAC needs to compile and work correctly on systems with a normal ISO C99 + * snprintf as well as Microsoft Visual Studio which has an non-standards + * conformant snprint_s function. + * + * The important difference occurs when the resultant string (plus string + * terminator) would have been longer than the supplied size parameter. When + * this happens, ISO C's snprintf returns the length of resultant string, but + * does not over-write the end of the buffer. MS's snprintf_s in this case + * returns -1. + * + * The _MSC_VER code below attempts to modify the return code for vsnprintf_s + * to something that is more compatible with the behaviour of the ISO C version. + */ + +int +flac_snprintf(char *str, size_t size, const char *fmt, ...) +{ + va_list va; + int rc; + +#if defined _MSC_VER + if (size == 0) + return 1024; +#endif + + va_start (va, fmt); + +#if defined _MSC_VER + rc = vsnprintf_s (str, size, _TRUNCATE, fmt, va); + if (rc < 0) + rc = size - 1; +#elif defined __MINGW32__ + rc = __mingw_vsnprintf (str, size, fmt, va); +#else + rc = vsnprintf (str, size, fmt, va); +#endif + va_end (va); + + return rc; +} + +int +flac_vsnprintf(char *str, size_t size, const char *fmt, va_list va) +{ + int rc; + +#if defined _MSC_VER + if (size == 0) + return 1024; + rc = vsnprintf_s (str, size, _TRUNCATE, fmt, va); + if (rc < 0) + rc = size - 1; +#elif defined __MINGW32__ + rc = __mingw_vsnprintf (str, size, fmt, va); +#else + rc = vsnprintf (str, size, fmt, va); +#endif + + return rc; +} diff --git a/src/share/replaygain_analysis/CMakeLists.txt b/src/share/replaygain_analysis/CMakeLists.txt new file mode 100644 index 0000000..4362b90 --- /dev/null +++ b/src/share/replaygain_analysis/CMakeLists.txt @@ -0,0 +1,2 @@ +add_library(replaygain_analysis STATIC + replaygain_analysis.c) diff --git a/src/share/replaygain_analysis/replaygain_analysis.c b/src/share/replaygain_analysis/replaygain_analysis.c new file mode 100644 index 0000000..37b77ab --- /dev/null +++ b/src/share/replaygain_analysis/replaygain_analysis.c @@ -0,0 +1,575 @@ +/* + * ReplayGainAnalysis - analyzes input samples and give the recommended dB change + * Copyright (C) 2001 David Robinson and Glen Sawyer + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * concept and filter values by David Robinson (David@Robinson.org) + * -- blame him if you think the idea is flawed + * original coding by Glen Sawyer (glensawyer@hotmail.com) + * -- blame him if you think this runs too slowly, or the coding is otherwise flawed + * + * lots of code improvements by Frank Klemm ( http://www.uni-jena.de/~pfk/mpp/ ) + * -- credit him for all the _good_ programming ;) + * + * minor cosmetic tweaks to integrate with FLAC by Josh Coalson + * + * + * For an explanation of the concepts and the basic algorithms involved, go to: + * http://www.replaygain.org/ + */ + +/* + * Here's the deal. Call + * + * InitGainAnalysis ( long samplefreq ); + * + * to initialize everything. Call + * + * AnalyzeSamples ( const flac_float_t* left_samples, + * const flac_float_t* right_samples, + * size_t num_samples, + * int num_channels ); + * + * as many times as you want, with as many or as few samples as you want. + * If mono, pass the sample buffer in through left_samples, leave + * right_samples NULL, and make sure num_channels = 1. + * + * GetTitleGain() + * + * will return the recommended dB level change for all samples analyzed + * SINCE THE LAST TIME you called GetTitleGain() OR InitGainAnalysis(). + * + * GetAlbumGain() + * + * will return the recommended dB level change for all samples analyzed + * since InitGainAnalysis() was called and finalized with GetTitleGain(). + * + * Pseudo-code to process an album: + * + * flac_float_t l_samples [4096]; + * flac_float_t r_samples [4096]; + * size_t num_samples; + * uint32_t num_songs; + * uint32_t i; + * + * InitGainAnalysis ( 44100 ); + * for ( i = 1; i <= num_songs; i++ ) { + * while ( ( num_samples = getSongSamples ( song[i], left_samples, right_samples ) ) > 0 ) + * AnalyzeSamples ( left_samples, right_samples, num_samples, 2 ); + * fprintf ("Recommended dB change for song %2d: %+6.2f dB\n", i, GetTitleGain() ); + * } + * fprintf ("Recommended dB change for whole album: %+6.2f dB\n", GetAlbumGain() ); + */ + +/* + * So here's the main source of potential code confusion: + * + * The filters applied to the incoming samples are IIR filters, + * meaning they rely on up to <filter order> number of previous samples + * AND up to <filter order> number of previous filtered samples. + * + * I set up the AnalyzeSamples routine to minimize memory usage and interface + * complexity. The speed isn't compromised too much (I don't think), but the + * internal complexity is higher than it should be for such a relatively + * simple routine. + * + * Optimization/clarity suggestions are welcome. + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <math.h> +#include "share/alloc.h" +#include "share/compat.h" +#include "share/replaygain_analysis.h" + +flac_float_t ReplayGainReferenceLoudness = 89.0; /* in dB SPL */ + +#define YULE_ORDER 10 +#define BUTTER_ORDER 2 +#define RMS_PERCENTILE 0.95 /* percentile which is louder than the proposed level */ +#define RMS_WINDOW_TIME 50 /* Time slice size [ms] */ +#define STEPS_per_dB 100. /* Table entries per dB */ +#define MAX_dB 120. /* Table entries for 0...MAX_dB (normal max. values are 70...80 dB) */ + +#define MAX_ORDER (BUTTER_ORDER > YULE_ORDER ? BUTTER_ORDER : YULE_ORDER) +#define PINK_REF 64.82 /* 298640883795 */ /* calibration value */ + +static flac_float_t linprebuf [MAX_ORDER * 2]; +static flac_float_t* linpre; /* left input samples, with pre-buffer */ +static flac_float_t* lstepbuf; +static flac_float_t* lstep; /* left "first step" (i.e. post first filter) samples */ +static flac_float_t* loutbuf; +static flac_float_t* lout; /* left "out" (i.e. post second filter) samples */ +static flac_float_t rinprebuf [MAX_ORDER * 2]; +static flac_float_t* rinpre; /* right input samples ... */ +static flac_float_t* rstepbuf; +static flac_float_t* rstep; +static flac_float_t* routbuf; +static flac_float_t* rout; +static uint32_t sampleWindow; /* number of samples required to reach number of milliseconds required for RMS window */ +static uint64_t totsamp; +static double lsum; +static double rsum; +#if 0 +static uint32_t A [(size_t)(STEPS_per_dB * MAX_dB)]; +static uint32_t B [(size_t)(STEPS_per_dB * MAX_dB)]; +#else +/* [JEC] Solaris Forte compiler doesn't like float calc in array indices */ +static uint32_t A [120 * 100]; +static uint32_t B [120 * 100]; +#endif + +#ifdef _MSC_VER +#pragma warning ( disable : 4305 ) +#endif + +struct ReplayGainFilter { + long rate; + uint32_t downsample; + flac_float_t BYule[YULE_ORDER+1]; + flac_float_t AYule[YULE_ORDER+1]; + flac_float_t BButter[BUTTER_ORDER+1]; + flac_float_t AButter[BUTTER_ORDER+1]; +}; + +static struct ReplayGainFilter *replaygainfilter; + +static const struct ReplayGainFilter ReplayGainFilters[] = { + + { + 48000, 0, /* ORIGINAL */ + { 0.03857599435200, -0.02160367184185, -0.00123395316851, -0.00009291677959, -0.01655260341619, 0.02161526843274, -0.02074045215285, 0.00594298065125, 0.00306428023191, 0.00012025322027, 0.00288463683916 }, + { 1.00000000000000, -3.84664617118067, 7.81501653005538, -11.34170355132042, 13.05504219327545, -12.28759895145294, 9.48293806319790, -5.87257861775999, 2.75465861874613, -0.86984376593551, 0.13919314567432 }, + { 0.98621192462708, -1.97242384925416, 0.98621192462708 }, + { 1.00000000000000, -1.97223372919527, 0.97261396931306 }, + }, + + { + 44100, 0, /* ORIGINAL */ + { 0.05418656406430, -0.02911007808948, -0.00848709379851, -0.00851165645469, -0.00834990904936, 0.02245293253339, -0.02596338512915, 0.01624864962975, -0.00240879051584, 0.00674613682247, -0.00187763777362 }, + { 1.00000000000000, -3.47845948550071, 6.36317777566148, -8.54751527471874, 9.47693607801280, -8.81498681370155, 6.85401540936998, -4.39470996079559, 2.19611684890774, -0.75104302451432, 0.13149317958808 }, + { 0.98500175787242, -1.97000351574484, 0.98500175787242 }, + { 1.00000000000000, -1.96977855582618, 0.97022847566350 }, + }, + + { + 37800, 0, + { 0.10296717174470, -0.04877975583256, -0.02878009075237, -0.03519509188311, 0.02888717172493, -0.00609872684844, 0.00209851217112, 0.00911704668543, 0.01154404718589, -0.00630293688700, 0.00107527155228 }, + { 1.00000000000000, -2.64848054923531, 3.58406058405771, -3.83794914179161, 3.90142345804575, -3.50179818637243, 2.67085284083076, -1.82581142372418, 1.09530368139801, -0.47689017820395, 0.11171431535905 }, + { 0.98252400815195, -1.96504801630391, 0.98252400815195 }, + { 1.00000000000000, -1.96474258269041, 0.96535344991740 }, + }, + + { + 36000, 0, + { 0.11572297028613, -0.04120916051252, -0.04977731768022, -0.01047308680426, 0.00750863219157, 0.00055507694408, 0.00140344192886, 0.01286095246036, 0.00998223033885, -0.00725013810661, 0.00326503346879 }, + { 1.00000000000000, -2.43606802820871, 3.01907406973844, -2.90372016038192, 2.67947188094303, -2.17606479220391, 1.44912956803015, -0.87785765549050, 0.53592202672557, -0.26469344817509, 0.07495878059717 }, + { 0.98165826840326, -1.96331653680652, 0.98165826840326 }, + { 1.00000000000000, -1.96298008938934, 0.96365298422371 }, + }, + + { + 32000, 0, /* ORIGINAL */ + { 0.15457299681924, -0.09331049056315, -0.06247880153653, 0.02163541888798, -0.05588393329856, 0.04781476674921, 0.00222312597743, 0.03174092540049, -0.01390589421898, 0.00651420667831, -0.00881362733839 }, + { 1.00000000000000, -2.37898834973084, 2.84868151156327, -2.64577170229825, 2.23697657451713, -1.67148153367602, 1.00595954808547, -0.45953458054983, 0.16378164858596, -0.05032077717131, 0.02347897407020 }, + { 0.97938932735214, -1.95877865470428, 0.97938932735214 }, + { 1.00000000000000, -1.95835380975398, 0.95920349965459 }, + }, + + { + 28000, 0, + { 0.23882392323383, -0.22007791534089, -0.06014581950332, 0.05004458058021, -0.03293111254977, 0.02348678189717, 0.04290549799671, -0.00938141862174, 0.00015095146303, -0.00712601540885, -0.00626520210162 }, + { 1.00000000000000, -2.06894080899139, 1.76944699577212, -0.81404732584187, 0.25418286850232, -0.30340791669762, 0.35616884070937, -0.14967310591258, -0.07024154183279, 0.11078404345174, -0.03551838002425 }, + { 0.97647981663949, -1.95295963327897, 0.97647981663949 }, + { 1.00000000000000, -1.95240635772520, 0.95351290883275 }, + + }, + + { + 24000, 0, /* ORIGINAL */ + { 0.30296907319327, -0.22613988682123, -0.08587323730772, 0.03282930172664, -0.00915702933434, -0.02364141202522, -0.00584456039913, 0.06276101321749, -0.00000828086748, 0.00205861885564, -0.02950134983287 }, + { 1.00000000000000, -1.61273165137247, 1.07977492259970, -0.25656257754070, -0.16276719120440, -0.22638893773906, 0.39120800788284, -0.22138138954925, 0.04500235387352, 0.02005851806501, 0.00302439095741 }, + { 0.97531843204928, -1.95063686409857, 0.97531843204928 }, + { 1.00000000000000, -1.95002759149878, 0.95124613669835 }, + }, + + { + 22050, 0, /* ORIGINAL */ + { 0.33642304856132, -0.25572241425570, -0.11828570177555, 0.11921148675203, -0.07834489609479, -0.00469977914380, -0.00589500224440, 0.05724228140351, 0.00832043980773, -0.01635381384540, -0.01760176568150 }, + { 1.00000000000000, -1.49858979367799, 0.87350271418188, 0.12205022308084, -0.80774944671438, 0.47854794562326, -0.12453458140019, -0.04067510197014, 0.08333755284107, -0.04237348025746, 0.02977207319925 }, + { 0.97316523498161, -1.94633046996323, 0.97316523498161 }, + { 1.00000000000000, -1.94561023566527, 0.94705070426118 }, + }, + + { + 18900, 0, + { 0.38412657295385, -0.44533729608120, 0.20426638066221, -0.28031676047946, 0.31484202614802, -0.26078311203207, 0.12925201224848, -0.01141164696062, 0.03036522115769, -0.03776339305406, 0.00692036603586 }, + { 1.00000000000000, -1.74403915585708, 1.96686095832499, -2.10081452941881, 1.90753918182846, -1.83814263754422, 1.36971352214969, -0.77883609116398, 0.39266422457649, -0.12529383592986, 0.05424760697665 }, + { 0.96535326815829, -1.93070653631658, 0.96535326815829 }, + { 1.00000000000000, -1.92950577983524, 0.93190729279793 }, + }, + + { + 16000, 0, /* ORIGINAL */ + { 0.44915256608450, -0.14351757464547, -0.22784394429749, -0.01419140100551, 0.04078262797139, -0.12398163381748, 0.04097565135648, 0.10478503600251, -0.01863887810927, -0.03193428438915, 0.00541907748707 }, + { 1.00000000000000, -0.62820619233671, 0.29661783706366, -0.37256372942400, 0.00213767857124, -0.42029820170918, 0.22199650564824, 0.00613424350682, 0.06747620744683, 0.05784820375801, 0.03222754072173 }, + { 0.96454515552826, -1.92909031105652, 0.96454515552826 }, + { 1.00000000000000, -1.92783286977036, 0.93034775234268 }, + }, + + { + 12000, 0, /* ORIGINAL */ + { 0.56619470757641, -0.75464456939302, 0.16242137742230, 0.16744243493672, -0.18901604199609, 0.30931782841830, -0.27562961986224, 0.00647310677246, 0.08647503780351, -0.03788984554840, -0.00588215443421 }, + { 1.00000000000000, -1.04800335126349, 0.29156311971249, -0.26806001042947, 0.00819999645858, 0.45054734505008, -0.33032403314006, 0.06739368333110, -0.04784254229033, 0.01639907836189, 0.01807364323573 }, + { 0.96009142950541, -1.92018285901082, 0.96009142950541 }, + { 1.00000000000000, -1.91858953033784, 0.92177618768381 }, + }, + + { + 11025, 0, /* ORIGINAL */ + { 0.58100494960553, -0.53174909058578, -0.14289799034253, 0.17520704835522, 0.02377945217615, 0.15558449135573, -0.25344790059353, 0.01628462406333, 0.06920467763959, -0.03721611395801, -0.00749618797172 }, + { 1.00000000000000, -0.51035327095184, -0.31863563325245, -0.20256413484477, 0.14728154134330, 0.38952639978999, -0.23313271880868, -0.05246019024463, -0.02505961724053, 0.02442357316099, 0.01818801111503 }, + { 0.95856916599601, -1.91713833199203, 0.95856916599601 }, + { 1.00000000000000, -1.91542108074780, 0.91885558323625 }, + }, + + { + 8000, 0, /* ORIGINAL */ + { 0.53648789255105, -0.42163034350696, -0.00275953611929, 0.04267842219415, -0.10214864179676, 0.14590772289388, -0.02459864859345, -0.11202315195388, -0.04060034127000, 0.04788665548180, -0.02217936801134 }, + { 1.00000000000000, -0.25049871956020, -0.43193942311114, -0.03424681017675, -0.04678328784242, 0.26408300200955, 0.15113130533216, -0.17556493366449, -0.18823009262115, 0.05477720428674, 0.04704409688120 }, + { 0.94597685600279, -1.89195371200558, 0.94597685600279 }, + { 1.00000000000000, -1.88903307939452, 0.89487434461664 }, + }, + +}; + +#ifdef _MSC_VER +#pragma warning ( default : 4305 ) +#endif + +/* When calling this procedure, make sure that ip[-order] and op[-order] point to real data! */ + +static void +filter ( const flac_float_t* input, flac_float_t* output, size_t nSamples, const flac_float_t* a, const flac_float_t* b, size_t order, uint32_t downsample ) +{ + double y; + size_t i; + size_t k; + + const flac_float_t* input_head = input; + const flac_float_t* input_tail; + + flac_float_t* output_head = output; + flac_float_t* output_tail; + + for ( i = 0; i < nSamples; i++, input_head += downsample, ++output_head ) { + + input_tail = input_head; + output_tail = output_head; + + y = *input_head * b[0]; + + for ( k = 1; k <= order; k++ ) { + input_tail -= downsample; + --output_tail; + y += *input_tail * b[k] - *output_tail * a[k]; + } + + output[i] = (flac_float_t)y; + } +} + +/* returns a INIT_GAIN_ANALYSIS_OK if successful, INIT_GAIN_ANALYSIS_ERROR if not */ + +static struct ReplayGainFilter* +CreateGainFilter ( long samplefreq ) +{ + uint32_t i; + long maxrate = 0; + uint32_t downsample = 1; + struct ReplayGainFilter* gainfilter = malloc(sizeof(*gainfilter)); + + if ( !gainfilter ) + return 0; + + while (1) { + for ( i = 0; i < sizeof(ReplayGainFilters)/sizeof(ReplayGainFilters[0]); ++i ) { + if (maxrate < ReplayGainFilters[i].rate) + maxrate = ReplayGainFilters[i].rate; + + if ( ReplayGainFilters[i].rate == samplefreq ) { + *gainfilter = ReplayGainFilters[i]; + gainfilter->downsample = downsample; + return gainfilter; + } + } + + if (samplefreq < maxrate) + break; + + while (samplefreq > maxrate) { + downsample *= 2; + samplefreq /= 2; + } + } + + free(gainfilter); + + return 0; +} + +static void* +ReallocateWindowBuffer(uint32_t window_size, flac_float_t **window_buffer) +{ + *window_buffer = safe_realloc_(*window_buffer, sizeof(**window_buffer) * (window_size + MAX_ORDER)); + return *window_buffer; +} + +static int +ResetSampleFrequency ( long samplefreq ) { + int i; + + free(replaygainfilter); + + replaygainfilter = CreateGainFilter( samplefreq ); + + if ( ! replaygainfilter) + return INIT_GAIN_ANALYSIS_ERROR; + + sampleWindow = + (replaygainfilter->rate * RMS_WINDOW_TIME + 1000-1) / 1000; + + if ( ! ReallocateWindowBuffer(sampleWindow, &lstepbuf) || + ! ReallocateWindowBuffer(sampleWindow, &rstepbuf) || + ! ReallocateWindowBuffer(sampleWindow, &loutbuf) || + ! ReallocateWindowBuffer(sampleWindow, &routbuf) ) { + + return INIT_GAIN_ANALYSIS_ERROR; + } + + /* zero out initial values */ + for ( i = 0; i < MAX_ORDER; i++ ) + linprebuf[i] = lstepbuf[i] = loutbuf[i] = rinprebuf[i] = rstepbuf[i] = routbuf[i] = 0.; + + lsum = 0.; + rsum = 0.; + totsamp = 0; + + memset ( A, 0, sizeof(A) ); + + return INIT_GAIN_ANALYSIS_OK; +} + +int +ValidGainFrequency ( long samplefreq ) +{ + struct ReplayGainFilter* gainfilter = CreateGainFilter( samplefreq ); + + if (gainfilter == 0) { + return 0; + } else { + free(gainfilter); + return 1; + } +} + +int +InitGainAnalysis ( long samplefreq ) +{ + if (ResetSampleFrequency(samplefreq) != INIT_GAIN_ANALYSIS_OK) { + return INIT_GAIN_ANALYSIS_ERROR; + } + + linpre = linprebuf + MAX_ORDER; + rinpre = rinprebuf + MAX_ORDER; + lstep = lstepbuf + MAX_ORDER; + rstep = rstepbuf + MAX_ORDER; + lout = loutbuf + MAX_ORDER; + rout = routbuf + MAX_ORDER; + + memset ( B, 0, sizeof(B) ); + + return INIT_GAIN_ANALYSIS_OK; +} + +/* returns GAIN_ANALYSIS_OK if successful, GAIN_ANALYSIS_ERROR if not */ + +int +AnalyzeSamples ( const flac_float_t* left_samples, const flac_float_t* right_samples, size_t num_samples, int num_channels ) +{ + uint32_t downsample = replaygainfilter->downsample; + const flac_float_t* curleft; + const flac_float_t* curright; + long prebufsamples; + long batchsamples; + long cursamples; + long cursamplepos; + int i; + + num_samples /= downsample; + + if ( num_samples == 0 ) + return GAIN_ANALYSIS_OK; + + cursamplepos = 0; + batchsamples = num_samples; + + switch ( num_channels) { + case 1: right_samples = left_samples; + case 2: break; + default: return GAIN_ANALYSIS_ERROR; + } + + prebufsamples = MAX_ORDER; + if ((size_t) prebufsamples > num_samples) + prebufsamples = num_samples; + + for ( i = 0; i < prebufsamples; ++i ) { + linprebuf[i+MAX_ORDER] = left_samples [i * downsample]; + rinprebuf[i+MAX_ORDER] = right_samples[i * downsample]; + } + + while ( batchsamples > 0 ) { + cursamples = batchsamples > (long)(sampleWindow-totsamp) ? (long)(sampleWindow - totsamp) : batchsamples; + if ( cursamplepos < MAX_ORDER ) { + downsample = 1; + curleft = linpre+cursamplepos; + curright = rinpre+cursamplepos; + if (cursamples > MAX_ORDER - cursamplepos ) + cursamples = MAX_ORDER - cursamplepos; + } + else { + downsample = replaygainfilter->downsample; + curleft = left_samples + cursamplepos * downsample; + curright = right_samples + cursamplepos * downsample; + } + + filter ( curleft , lstep + totsamp, cursamples, replaygainfilter->AYule, replaygainfilter->BYule, YULE_ORDER, downsample ); + filter ( curright, rstep + totsamp, cursamples, replaygainfilter->AYule, replaygainfilter->BYule, YULE_ORDER, downsample ); + + filter ( lstep + totsamp, lout + totsamp, cursamples, replaygainfilter->AButter, replaygainfilter->BButter, BUTTER_ORDER, 1 ); + filter ( rstep + totsamp, rout + totsamp, cursamples, replaygainfilter->AButter, replaygainfilter->BButter, BUTTER_ORDER, 1 ); + + for ( i = 0; i < cursamples; i++ ) { /* Get the squared values */ + lsum += lout [totsamp+i] * lout [totsamp+i]; + rsum += rout [totsamp+i] * rout [totsamp+i]; + } + + batchsamples -= cursamples; + cursamplepos += cursamples; + totsamp += cursamples; + if ( totsamp == sampleWindow ) { /* Get the Root Mean Square (RMS) for this set of samples */ + double val = STEPS_per_dB * 10. * log10 ( (lsum+rsum) / totsamp * 0.5 + 1.e-37 ); + int ival = (int) val; + if ( ival < 0 ) ival = 0; + if ( ival >= (int)(sizeof(A)/sizeof(*A)) ) ival = (int)(sizeof(A)/sizeof(*A)) - 1; + A [ival]++; + lsum = rsum = 0.; + memmove ( loutbuf , loutbuf + totsamp, MAX_ORDER * sizeof(flac_float_t) ); + memmove ( routbuf , routbuf + totsamp, MAX_ORDER * sizeof(flac_float_t) ); + memmove ( lstepbuf, lstepbuf + totsamp, MAX_ORDER * sizeof(flac_float_t) ); + memmove ( rstepbuf, rstepbuf + totsamp, MAX_ORDER * sizeof(flac_float_t) ); + totsamp = 0; + } + if ( totsamp > sampleWindow ) /* somehow I really screwed up: Error in programming! Contact author about totsamp > sampleWindow */ + return GAIN_ANALYSIS_ERROR; + } + + if ( num_samples < MAX_ORDER ) { + memmove ( linprebuf, linprebuf + num_samples, (MAX_ORDER-num_samples) * sizeof(flac_float_t) ); + memmove ( rinprebuf, rinprebuf + num_samples, (MAX_ORDER-num_samples) * sizeof(flac_float_t) ); + memcpy ( linprebuf + MAX_ORDER - num_samples, left_samples, num_samples * sizeof(flac_float_t) ); + memcpy ( rinprebuf + MAX_ORDER - num_samples, right_samples, num_samples * sizeof(flac_float_t) ); + } + else { + downsample = replaygainfilter->downsample; + + left_samples += (num_samples - MAX_ORDER) * downsample; + right_samples += (num_samples - MAX_ORDER) * downsample; + + for ( i = 0; i < MAX_ORDER; ++i ) { + linprebuf[i] = left_samples [i * downsample]; + rinprebuf[i] = right_samples[i * downsample]; + } + } + + return GAIN_ANALYSIS_OK; +} + + +static flac_float_t +analyzeResult ( uint32_t* Array, size_t len ) +{ + uint32_t elems; + int32_t upper; + size_t i; + + elems = 0; + for ( i = 0; i < len; i++ ) + elems += Array[i]; + if ( elems == 0 ) + return GAIN_NOT_ENOUGH_SAMPLES; + +/* workaround for GCC bug #61423: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61423 */ +#if 0 + upper = (int32_t) ceil (elems * (1. - RMS_PERCENTILE)); +#else + upper = (int32_t) (elems / 20 + ((elems % 20) ? 1 : 0)); +#endif + for ( i = len; i-- > 0; ) { + if ( (upper -= Array[i]) <= 0 ) + break; + } + + return (flac_float_t) ((flac_float_t)PINK_REF - (flac_float_t)i / (flac_float_t)STEPS_per_dB); +} + + +flac_float_t +GetTitleGain ( void ) +{ + flac_float_t retval; + uint32_t i; + + retval = analyzeResult ( A, sizeof(A)/sizeof(*A) ); + + for ( i = 0; i < sizeof(A)/sizeof(*A); i++ ) { + B[i] += A[i]; + A[i] = 0; + } + + for ( i = 0; i < MAX_ORDER; i++ ) + linprebuf[i] = lstepbuf[i] = loutbuf[i] = rinprebuf[i] = rstepbuf[i] = routbuf[i] = 0.f; + + totsamp = 0; + lsum = rsum = 0.; + return retval; +} + + +flac_float_t +GetAlbumGain ( void ) +{ + return analyzeResult ( B, sizeof(B)/sizeof(*B) ); +} + +/* end of replaygain_analysis.c */ diff --git a/src/share/replaygain_synthesis/CMakeLists.txt b/src/share/replaygain_synthesis/CMakeLists.txt new file mode 100644 index 0000000..0736f4f --- /dev/null +++ b/src/share/replaygain_synthesis/CMakeLists.txt @@ -0,0 +1,2 @@ +add_library(replaygain_synthesis STATIC + replaygain_synthesis.c) diff --git a/src/share/replaygain_synthesis/replaygain_synthesis.c b/src/share/replaygain_synthesis/replaygain_synthesis.c new file mode 100644 index 0000000..8d4fda6 --- /dev/null +++ b/src/share/replaygain_synthesis/replaygain_synthesis.c @@ -0,0 +1,429 @@ +/* replaygain_synthesis - Routines for applying ReplayGain to a signal + * Copyright (C) 2002-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ +/* + * This is an aggregation of pieces of code from John Edwards' WaveGain + * program. Mostly cosmetic changes were made; otherwise, the dithering + * code is almost untouched and the gain processing was converted from + * processing a whole file to processing chunks of samples. + * + * The original copyright notices for WaveGain's dither.c and wavegain.c + * appear below: + */ +/* + * (c) 2002 John Edwards + * mostly lifted from work by Frank Klemm + * random functions for dithering. + */ +/* + * Copyright (C) 2002 John Edwards + * Additional code by Magnus Holmgren and Gian-Carlo Pascutto + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include <string.h> /* for memset() */ +#include <math.h> +#include "share/compat.h" +#include "share/replaygain_synthesis.h" +#include "FLAC/assert.h" + +#define FLAC__I64L(x) x##LL + + +/* + * the following is based on parts of dither.c + */ + + +/* + * This is a simple random number generator with good quality for audio purposes. + * It consists of two polycounters with opposite rotation direction and different + * periods. The periods are coprime, so the total period is the product of both. + * + * ------------------------------------------------------------------------------------------------- + * +-> |31:30:29:28:27:26:25:24:23:22:21:20:19:18:17:16:15:14:13:12:11:10: 9: 8: 7: 6: 5: 4: 3: 2: 1: 0| + * | ------------------------------------------------------------------------------------------------- + * | | | | | | | + * | +--+--+--+-XOR-+--------+ + * | | + * +--------------------------------------------------------------------------------------+ + * + * ------------------------------------------------------------------------------------------------- + * |31:30:29:28:27:26:25:24:23:22:21:20:19:18:17:16:15:14:13:12:11:10: 9: 8: 7: 6: 5: 4: 3: 2: 1: 0| <-+ + * ------------------------------------------------------------------------------------------------- | + * | | | | | + * +--+----XOR----+--+ | + * | | + * +----------------------------------------------------------------------------------------+ + * + * + * The first has an period of 3*5*17*257*65537, the second of 7*47*73*178481, + * which gives a period of 18.410.713.077.675.721.215. The result is the + * XORed values of both generators. + */ + +static uint32_t random_int_(void) +{ + static const uint8_t parity_[256] = { + 0,1,1,0,1,0,0,1,1,0,0,1,0,1,1,0,1,0,0,1,0,1,1,0,0,1,1,0,1,0,0,1, + 1,0,0,1,0,1,1,0,0,1,1,0,1,0,0,1,0,1,1,0,1,0,0,1,1,0,0,1,0,1,1,0, + 1,0,0,1,0,1,1,0,0,1,1,0,1,0,0,1,0,1,1,0,1,0,0,1,1,0,0,1,0,1,1,0, + 0,1,1,0,1,0,0,1,1,0,0,1,0,1,1,0,1,0,0,1,0,1,1,0,0,1,1,0,1,0,0,1, + 1,0,0,1,0,1,1,0,0,1,1,0,1,0,0,1,0,1,1,0,1,0,0,1,1,0,0,1,0,1,1,0, + 0,1,1,0,1,0,0,1,1,0,0,1,0,1,1,0,1,0,0,1,0,1,1,0,0,1,1,0,1,0,0,1, + 0,1,1,0,1,0,0,1,1,0,0,1,0,1,1,0,1,0,0,1,0,1,1,0,0,1,1,0,1,0,0,1, + 1,0,0,1,0,1,1,0,0,1,1,0,1,0,0,1,0,1,1,0,1,0,0,1,1,0,0,1,0,1,1,0 + }; + static uint32_t r1_ = 1; + static uint32_t r2_ = 1; + + uint32_t t1, t2, t3, t4; + + /* Parity calculation is done via table lookup, this is also available + * on CPUs without parity, can be implemented in C and avoid unpredictable + * jumps and slow rotate through the carry flag operations. + */ + t3 = t1 = r1_; t4 = t2 = r2_; + t1 &= 0xF5; t2 >>= 25; + t1 = parity_[t1]; t2 &= 0x63; + t1 <<= 31; t2 = parity_[t2]; + + return (r1_ = (t3 >> 1) | t1 ) ^ (r2_ = (t4 + t4) | t2 ); +} + +/* gives a equal distributed random number */ +/* between -2^31*mult and +2^31*mult */ +static double random_equi_(double mult) +{ + return mult * (int) random_int_(); +} + +/* gives a triangular distributed random number */ +/* between -2^32*mult and +2^32*mult */ +static double random_triangular_(double mult) +{ + return mult * ( (double) (int) random_int_() + (double) (int) random_int_() ); +} + + +static const float F44_0 [16 + 32] = { + (float)0, (float)0, (float)0, (float)0, (float)0, (float)0, (float)0, (float)0, + (float)0, (float)0, (float)0, (float)0, (float)0, (float)0, (float)0, (float)0, + + (float)0, (float)0, (float)0, (float)0, (float)0, (float)0, (float)0, (float)0, + (float)0, (float)0, (float)0, (float)0, (float)0, (float)0, (float)0, (float)0, + + (float)0, (float)0, (float)0, (float)0, (float)0, (float)0, (float)0, (float)0, + (float)0, (float)0, (float)0, (float)0, (float)0, (float)0, (float)0, (float)0 +}; + + +static const float F44_1 [16 + 32] = { /* SNR(w) = 4.843163 dB, SNR = -3.192134 dB */ + (float) 0.85018292704024355931, (float) 0.29089597350995344721, (float)-0.05021866022121039450, (float)-0.23545456294599161833, + (float)-0.58362726442227032096, (float)-0.67038978965193036429, (float)-0.38566861572833459221, (float)-0.15218663390367969967, + (float)-0.02577543084864530676, (float) 0.14119295297688728127, (float) 0.22398848581628781612, (float) 0.15401727203382084116, + (float) 0.05216161232906000929, (float)-0.00282237820999675451, (float)-0.03042794608323867363, (float)-0.03109780942998826024, + + (float) 0.85018292704024355931, (float) 0.29089597350995344721, (float)-0.05021866022121039450, (float)-0.23545456294599161833, + (float)-0.58362726442227032096, (float)-0.67038978965193036429, (float)-0.38566861572833459221, (float)-0.15218663390367969967, + (float)-0.02577543084864530676, (float) 0.14119295297688728127, (float) 0.22398848581628781612, (float) 0.15401727203382084116, + (float) 0.05216161232906000929, (float)-0.00282237820999675451, (float)-0.03042794608323867363, (float)-0.03109780942998826024, + + (float) 0.85018292704024355931, (float) 0.29089597350995344721, (float)-0.05021866022121039450, (float)-0.23545456294599161833, + (float)-0.58362726442227032096, (float)-0.67038978965193036429, (float)-0.38566861572833459221, (float)-0.15218663390367969967, + (float)-0.02577543084864530676, (float) 0.14119295297688728127, (float) 0.22398848581628781612, (float) 0.15401727203382084116, + (float) 0.05216161232906000929, (float)-0.00282237820999675451, (float)-0.03042794608323867363, (float)-0.03109780942998826024, +}; + + +static const float F44_2 [16 + 32] = { /* SNR(w) = 10.060213 dB, SNR = -12.766730 dB */ + (float) 1.78827593892108555290, (float) 0.95508210637394326553, (float)-0.18447626783899924429, (float)-0.44198126506275016437, + (float)-0.88404052492547413497, (float)-1.42218907262407452967, (float)-1.02037566838362314995, (float)-0.34861755756425577264, + (float)-0.11490230170431934434, (float) 0.12498899339968611803, (float) 0.38065885268563131927, (float) 0.31883491321310506562, + (float) 0.10486838686563442765, (float)-0.03105361685110374845, (float)-0.06450524884075370758, (float)-0.02939198261121969816, + + (float) 1.78827593892108555290, (float) 0.95508210637394326553, (float)-0.18447626783899924429, (float)-0.44198126506275016437, + (float)-0.88404052492547413497, (float)-1.42218907262407452967, (float)-1.02037566838362314995, (float)-0.34861755756425577264, + (float)-0.11490230170431934434, (float) 0.12498899339968611803, (float) 0.38065885268563131927, (float) 0.31883491321310506562, + (float) 0.10486838686563442765, (float)-0.03105361685110374845, (float)-0.06450524884075370758, (float)-0.02939198261121969816, + + (float) 1.78827593892108555290, (float) 0.95508210637394326553, (float)-0.18447626783899924429, (float)-0.44198126506275016437, + (float)-0.88404052492547413497, (float)-1.42218907262407452967, (float)-1.02037566838362314995, (float)-0.34861755756425577264, + (float)-0.11490230170431934434, (float) 0.12498899339968611803, (float) 0.38065885268563131927, (float) 0.31883491321310506562, + (float) 0.10486838686563442765, (float)-0.03105361685110374845, (float)-0.06450524884075370758, (float)-0.02939198261121969816, +}; + + +static const float F44_3 [16 + 32] = { /* SNR(w) = 15.382598 dB, SNR = -29.402334 dB */ + (float) 2.89072132015058161445, (float) 2.68932810943698754106, (float) 0.21083359339410251227, (float)-0.98385073324997617515, + (float)-1.11047823227097316719, (float)-2.18954076314139673147, (float)-2.36498032881953056225, (float)-0.95484132880101140785, + (float)-0.23924057925542965158, (float)-0.13865235703915925642, (float) 0.43587843191057992846, (float) 0.65903257226026665927, + (float) 0.24361815372443152787, (float)-0.00235974960154720097, (float) 0.01844166574603346289, (float) 0.01722945988740875099, + + (float) 2.89072132015058161445, (float) 2.68932810943698754106, (float) 0.21083359339410251227, (float)-0.98385073324997617515, + (float)-1.11047823227097316719, (float)-2.18954076314139673147, (float)-2.36498032881953056225, (float)-0.95484132880101140785, + (float)-0.23924057925542965158, (float)-0.13865235703915925642, (float) 0.43587843191057992846, (float) 0.65903257226026665927, + (float) 0.24361815372443152787, (float)-0.00235974960154720097, (float) 0.01844166574603346289, (float) 0.01722945988740875099, + + (float) 2.89072132015058161445, (float) 2.68932810943698754106, (float) 0.21083359339410251227, (float)-0.98385073324997617515, + (float)-1.11047823227097316719, (float)-2.18954076314139673147, (float)-2.36498032881953056225, (float)-0.95484132880101140785, + (float)-0.23924057925542965158, (float)-0.13865235703915925642, (float) 0.43587843191057992846, (float) 0.65903257226026665927, + (float) 0.24361815372443152787, (float)-0.00235974960154720097, (float) 0.01844166574603346289, (float) 0.01722945988740875099 +}; + + +static double scalar16_(const float* x, const float* y) +{ + return + x[ 0]*y[ 0] + x[ 1]*y[ 1] + x[ 2]*y[ 2] + x[ 3]*y[ 3] + + x[ 4]*y[ 4] + x[ 5]*y[ 5] + x[ 6]*y[ 6] + x[ 7]*y[ 7] + + x[ 8]*y[ 8] + x[ 9]*y[ 9] + x[10]*y[10] + x[11]*y[11] + + x[12]*y[12] + x[13]*y[13] + x[14]*y[14] + x[15]*y[15]; +} + + +void FLAC__replaygain_synthesis__init_dither_context(DitherContext *d, int bits, int shapingtype) +{ + static uint8_t default_dither [] = { 92, 92, 88, 84, 81, 78, 74, 67, 0, 0 }; + static const float* F [] = { F44_0, F44_1, F44_2, F44_3 }; + + int indx; + + if (shapingtype < 0) shapingtype = 0; + if (shapingtype > 3) shapingtype = 3; + d->ShapingType = (NoiseShaping)shapingtype; + indx = bits - 11 - shapingtype; + if (indx < 0) indx = 0; + if (indx > 9) indx = 9; + + memset ( d->ErrorHistory , 0, sizeof (d->ErrorHistory ) ); + memset ( d->DitherHistory, 0, sizeof (d->DitherHistory) ); + + d->FilterCoeff = F [shapingtype]; + d->Mask = ((FLAC__uint64)-1) << (32 - bits); + d->Add = 0.5 * ((1L << (32 - bits)) - 1); + d->Dither = 0.01f*default_dither[indx] / (((FLAC__int64)1) << bits); + d->LastHistoryIndex = 0; +} + +static inline int64_t +ROUND64 (DitherContext *d, double x) +{ + union { + double d; + int64_t i; + } doubletmp; + + doubletmp.d = x + d->Add + (int64_t)FLAC__I64L(0x001FFFFD80000000); + + return doubletmp.i - (int64_t)FLAC__I64L(0x433FFFFD80000000); +} + +/* + * the following is based on parts of wavegain.c + */ + +static int64_t dither_output_(DitherContext *d, FLAC__bool do_dithering, int shapingtype, int i, double Sum, int k) +{ + double Sum2; + int64_t val; + + if(do_dithering) { + if(shapingtype == 0) { + double tmp = random_equi_(d->Dither); + Sum2 = tmp - d->LastRandomNumber [k]; + d->LastRandomNumber [k] = (int)tmp; + Sum2 = Sum += Sum2; + val = ROUND64(d, Sum2) & d->Mask; + } + else { + Sum2 = random_triangular_(d->Dither) - scalar16_(d->DitherHistory[k], d->FilterCoeff + i); + Sum += d->DitherHistory [k] [(-1-i)&15] = (float)Sum2; + Sum2 = Sum + scalar16_(d->ErrorHistory [k], d->FilterCoeff + i); + val = ROUND64(d, Sum2) & d->Mask; + d->ErrorHistory [k] [(-1-i)&15] = (float)(Sum - val); + } + return val; + } + + return ROUND64(d, Sum); +} + +#if 0 + float peak = 0.f, + new_peak, + factor_clip + double scale, + dB; + + ... + + peak is in the range -32768.0 .. 32767.0 + + /* calculate factors for ReplayGain and ClippingPrevention */ + *track_gain = GetTitleGain() + settings->man_gain; + scale = (float) pow(10., *track_gain * 0.05); + if(settings->clip_prev) { + factor_clip = (float) (32767./( peak + 1)); + if(scale < factor_clip) + factor_clip = 1.f; + else + factor_clip /= scale; + scale *= factor_clip; + } + new_peak = (float) peak * scale; + + dB = 20. * log10(scale); + *track_gain = (float) dB; + + const double scale = pow(10., (double)gain * 0.05); +#endif + + +size_t FLAC__replaygain_synthesis__apply_gain(FLAC__byte *data_out, FLAC__bool little_endian_data_out, FLAC__bool uint32_t_data_out, const FLAC__int32 * const input[], uint32_t wide_samples, uint32_t channels, const uint32_t source_bps, const uint32_t target_bps, const double scale, const FLAC__bool hard_limit, FLAC__bool do_dithering, DitherContext *dither_context) +{ + static const FLAC__int64 hard_clip_factors_[33] = { + 0, /* 0 bits-per-sample (not supported) */ + 0, /* 1 bits-per-sample (not supported) */ + 0, /* 2 bits-per-sample (not supported) */ + 0, /* 3 bits-per-sample (not supported) */ + -8, /* 4 bits-per-sample */ + -16, /* 5 bits-per-sample */ + -32, /* 6 bits-per-sample */ + -64, /* 7 bits-per-sample */ + -128, /* 8 bits-per-sample */ + -256, /* 9 bits-per-sample */ + -512, /* 10 bits-per-sample */ + -1024, /* 11 bits-per-sample */ + -2048, /* 12 bits-per-sample */ + -4096, /* 13 bits-per-sample */ + -8192, /* 14 bits-per-sample */ + -16384, /* 15 bits-per-sample */ + -32768, /* 16 bits-per-sample */ + -65536, /* 17 bits-per-sample */ + -131072, /* 18 bits-per-sample */ + -262144, /* 19 bits-per-sample */ + -524288, /* 20 bits-per-sample */ + -1048576, /* 21 bits-per-sample */ + -2097152, /* 22 bits-per-sample */ + -4194304, /* 23 bits-per-sample */ + -8388608, /* 24 bits-per-sample */ + -16777216, /* 25 bits-per-sample */ + -33554432, /* 26 bits-per-sample */ + -67108864, /* 27 bits-per-sample */ + -134217728, /* 28 bits-per-sample */ + -268435456, /* 29 bits-per-sample */ + -536870912, /* 30 bits-per-sample */ + -1073741824, /* 31 bits-per-sample */ + (FLAC__int64)(-1073741824) * 2 /* 32 bits-per-sample */ + }; + const FLAC__int32 conv_shift = 32 - target_bps; + const FLAC__int64 hard_clip_factor = hard_clip_factors_[target_bps]; + /* + * The integer input coming in has a varying range based on the + * source_bps. We want to normalize it to [-1.0, 1.0) so instead + * of doing two multiplies on each sample, we just multiple + * 'scale' by 1/(2^(source_bps-1)) + */ + const double multi_scale = scale / (double)(1u << (source_bps-1)); + + FLAC__byte * const start = data_out; + uint32_t i, channel; + const FLAC__int32 *input_; + double sample; + const uint32_t bytes_per_sample = target_bps / 8; + const uint32_t last_history_index = dither_context->LastHistoryIndex; + NoiseShaping noise_shaping = dither_context->ShapingType; + FLAC__int64 val64; + FLAC__int32 val32; + FLAC__int32 uval32; + const FLAC__uint32 twiggle = 1u << (target_bps - 1); + + FLAC__ASSERT(channels > 0 && channels <= FLAC_SHARE__MAX_SUPPORTED_CHANNELS); + FLAC__ASSERT(source_bps >= 4); + FLAC__ASSERT(target_bps >= 4); + FLAC__ASSERT(source_bps <= 32); + FLAC__ASSERT(target_bps < 32); + FLAC__ASSERT((target_bps & 7) == 0); + + for(channel = 0; channel < channels; channel++) { + const uint32_t incr = bytes_per_sample * channels; + data_out = start + bytes_per_sample * channel; + input_ = input[channel]; + for(i = 0; i < wide_samples; i++, data_out += incr) { + sample = (double)input_[i] * multi_scale; + + if(hard_limit) { + /* hard 6dB limiting */ + if(sample < -0.5) + sample = tanh((sample + 0.5) / (1-0.5)) * (1-0.5) - 0.5; + else if(sample > 0.5) + sample = tanh((sample - 0.5) / (1-0.5)) * (1-0.5) + 0.5; + } + sample *= 2147483647.; + + val64 = dither_output_(dither_context, do_dithering, noise_shaping, (i + last_history_index) % 32, sample, channel) >> conv_shift; + + val32 = (FLAC__int32)val64; + if(val64 >= -hard_clip_factor) + val32 = (FLAC__int32)(-(hard_clip_factor+1)); + else if(val64 < hard_clip_factor) + val32 = (FLAC__int32)hard_clip_factor; + + uval32 = (FLAC__uint32)val32; + if (uint32_t_data_out) + uval32 ^= twiggle; + + if (little_endian_data_out) { + switch(target_bps) { + case 24: + data_out[2] = (FLAC__byte)(uval32 >> 16); + /* fall through */ + case 16: + data_out[1] = (FLAC__byte)(uval32 >> 8); + /* fall through */ + case 8: + data_out[0] = (FLAC__byte)uval32; + break; + } + } + else { + switch(target_bps) { + case 24: + data_out[0] = (FLAC__byte)(uval32 >> 16); + data_out[1] = (FLAC__byte)(uval32 >> 8); + data_out[2] = (FLAC__byte)uval32; + break; + case 16: + data_out[0] = (FLAC__byte)(uval32 >> 8); + data_out[1] = (FLAC__byte)uval32; + break; + case 8: + data_out[0] = (FLAC__byte)uval32; + break; + } + } + } + } + dither_context->LastHistoryIndex = (last_history_index + wide_samples) % 32; + + return wide_samples * channels * (target_bps/8); +} diff --git a/src/share/utf8/CMakeLists.txt b/src/share/utf8/CMakeLists.txt new file mode 100644 index 0000000..389b09e --- /dev/null +++ b/src/share/utf8/CMakeLists.txt @@ -0,0 +1,8 @@ +cmake_minimum_required(VERSION 3.12) + +add_library(utf8 STATIC + charset.c + iconvert.c + utf8.c) + +target_link_libraries(utf8 PUBLIC grabbag $<TARGET_NAME_IF_EXISTS:Iconv::Iconv>) diff --git a/src/share/utf8/charmaps.h b/src/share/utf8/charmaps.h new file mode 100644 index 0000000..16d049a --- /dev/null +++ b/src/share/utf8/charmaps.h @@ -0,0 +1,57 @@ + +/* + * If you need to generate more maps, use makemap.c on a system + * with a decent iconv. + */ + +static const uint16_t mapping_iso_8859_2[256] = { + 0x0000, 0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007, + 0x0008, 0x0009, 0x000a, 0x000b, 0x000c, 0x000d, 0x000e, 0x000f, + 0x0010, 0x0011, 0x0012, 0x0013, 0x0014, 0x0015, 0x0016, 0x0017, + 0x0018, 0x0019, 0x001a, 0x001b, 0x001c, 0x001d, 0x001e, 0x001f, + 0x0020, 0x0021, 0x0022, 0x0023, 0x0024, 0x0025, 0x0026, 0x0027, + 0x0028, 0x0029, 0x002a, 0x002b, 0x002c, 0x002d, 0x002e, 0x002f, + 0x0030, 0x0031, 0x0032, 0x0033, 0x0034, 0x0035, 0x0036, 0x0037, + 0x0038, 0x0039, 0x003a, 0x003b, 0x003c, 0x003d, 0x003e, 0x003f, + 0x0040, 0x0041, 0x0042, 0x0043, 0x0044, 0x0045, 0x0046, 0x0047, + 0x0048, 0x0049, 0x004a, 0x004b, 0x004c, 0x004d, 0x004e, 0x004f, + 0x0050, 0x0051, 0x0052, 0x0053, 0x0054, 0x0055, 0x0056, 0x0057, + 0x0058, 0x0059, 0x005a, 0x005b, 0x005c, 0x005d, 0x005e, 0x005f, + 0x0060, 0x0061, 0x0062, 0x0063, 0x0064, 0x0065, 0x0066, 0x0067, + 0x0068, 0x0069, 0x006a, 0x006b, 0x006c, 0x006d, 0x006e, 0x006f, + 0x0070, 0x0071, 0x0072, 0x0073, 0x0074, 0x0075, 0x0076, 0x0077, + 0x0078, 0x0079, 0x007a, 0x007b, 0x007c, 0x007d, 0x007e, 0x007f, + 0x0080, 0x0081, 0x0082, 0x0083, 0x0084, 0x0085, 0x0086, 0x0087, + 0x0088, 0x0089, 0x008a, 0x008b, 0x008c, 0x008d, 0x008e, 0x008f, + 0x0090, 0x0091, 0x0092, 0x0093, 0x0094, 0x0095, 0x0096, 0x0097, + 0x0098, 0x0099, 0x009a, 0x009b, 0x009c, 0x009d, 0x009e, 0x009f, + 0x00a0, 0x0104, 0x02d8, 0x0141, 0x00a4, 0x013d, 0x015a, 0x00a7, + 0x00a8, 0x0160, 0x015e, 0x0164, 0x0179, 0x00ad, 0x017d, 0x017b, + 0x00b0, 0x0105, 0x02db, 0x0142, 0x00b4, 0x013e, 0x015b, 0x02c7, + 0x00b8, 0x0161, 0x015f, 0x0165, 0x017a, 0x02dd, 0x017e, 0x017c, + 0x0154, 0x00c1, 0x00c2, 0x0102, 0x00c4, 0x0139, 0x0106, 0x00c7, + 0x010c, 0x00c9, 0x0118, 0x00cb, 0x011a, 0x00cd, 0x00ce, 0x010e, + 0x0110, 0x0143, 0x0147, 0x00d3, 0x00d4, 0x0150, 0x00d6, 0x00d7, + 0x0158, 0x016e, 0x00da, 0x0170, 0x00dc, 0x00dd, 0x0162, 0x00df, + 0x0155, 0x00e1, 0x00e2, 0x0103, 0x00e4, 0x013a, 0x0107, 0x00e7, + 0x010d, 0x00e9, 0x0119, 0x00eb, 0x011b, 0x00ed, 0x00ee, 0x010f, + 0x0111, 0x0144, 0x0148, 0x00f3, 0x00f4, 0x0151, 0x00f6, 0x00f7, + 0x0159, 0x016f, 0x00fa, 0x0171, 0x00fc, 0x00fd, 0x0163, 0x02d9 +}; + +static struct { + const char *name; + const uint16_t *map; + struct charset *charset; +} maps[] = { + { "ISO-8859-2", mapping_iso_8859_2, 0 }, + { 0, 0, 0 } +}; + +static const struct { + const char *bad; + const char *good; +} names[] = { + { "ANSI_X3.4-1968", "us-ascii" }, + { 0, 0 } +}; diff --git a/src/share/utf8/charset.c b/src/share/utf8/charset.c new file mode 100644 index 0000000..5c5693d --- /dev/null +++ b/src/share/utf8/charset.c @@ -0,0 +1,534 @@ +/* + * Copyright (C) 2001 Edmund Grimley Evans <edmundo@rano.org> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +/* + * See the corresponding header file for a description of the functions + * that this file provides. + * + * This was first written for Ogg Vorbis but could be of general use. + * + * The only deliberate assumption about data sizes is that a short has + * at least 16 bits, but this code has only been tested on systems with + * 8-bit char, 16-bit short and 32-bit int. + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#if !defined _WIN32 && !defined HAVE_ICONV /* should be && defined USE_CHARSET_CONVERT */ + +#include <stdlib.h> + +#include "share/alloc.h" +#include "charset.h" + +#include "charmaps.h" + +/* + * This is like the standard strcasecmp, but it does not depend + * on the locale. Locale-dependent functions can be dangerous: + * we once had a bug involving strcasecmp("iso", "ISO") in a + * Turkish locale! + * + * (I'm not really sure what the official standard says + * about the sign of strcasecmp("Z", "["), but usually + * we're only interested in whether it's zero.) + */ + +static int ascii_strcasecmp(const char *s1, const char *s2) +{ + char c1, c2; + + for (;; s1++, s2++) { + if (!*s1 || !*s2) + break; + if (*s1 == *s2) + continue; + c1 = *s1; + if ('a' <= c1 && c1 <= 'z') + c1 += 'A' - 'a'; + c2 = *s2; + if ('a' <= c2 && c2 <= 'z') + c2 += 'A' - 'a'; + if (c1 != c2) + break; + } + return (uint8_t)*s1 - (uint8_t)*s2; +} + +/* + * UTF-8 equivalents of the C library's wctomb() and mbtowc(). + */ + +int utf8_mbtowc(int *pwc, const char *s, size_t n) +{ + uint8_t c; + int wc, i, k; + + if (!n || !s) + return 0; + + c = *s; + if (c < 0x80) { + if (pwc) + *pwc = c; + return c ? 1 : 0; + } + else if (c < 0xc2) + return -1; + else if (c < 0xe0) { + if (n >= 2 && (s[1] & 0xc0) == 0x80) { + if (pwc) + *pwc = ((c & 0x1f) << 6) | (s[1] & 0x3f); + return 2; + } + else + return -1; + } + else if (c < 0xf0) + k = 3; + else if (c < 0xf8) + k = 4; + else if (c < 0xfc) + k = 5; + else if (c < 0xfe) + k = 6; + else + return -1; + + if (n < (size_t)k) + return -1; + wc = *s++ & ((1 << (7 - k)) - 1); + for (i = 1; i < k; i++) { + if ((*s & 0xc0) != 0x80) + return -1; + wc = (wc << 6) | (*s++ & 0x3f); + } + if (wc < (1 << (5 * k - 4))) + return -1; + if (pwc) + *pwc = wc; + return k; +} + +int utf8_wctomb(char *s, int wc1) +{ + uint32_t wc = wc1; + + if (!s) + return 0; + if (wc < (1u << 7)) { + *s++ = wc; + return 1; + } + else if (wc < (1u << 11)) { + *s++ = 0xc0 | (wc >> 6); + *s++ = 0x80 | (wc & 0x3f); + return 2; + } + else if (wc < (1u << 16)) { + *s++ = 0xe0 | (wc >> 12); + *s++ = 0x80 | ((wc >> 6) & 0x3f); + *s++ = 0x80 | (wc & 0x3f); + return 3; + } + else if (wc < (1u << 21)) { + *s++ = 0xf0 | (wc >> 18); + *s++ = 0x80 | ((wc >> 12) & 0x3f); + *s++ = 0x80 | ((wc >> 6) & 0x3f); + *s++ = 0x80 | (wc & 0x3f); + return 4; + } + else if (wc < (1u << 26)) { + *s++ = 0xf8 | (wc >> 24); + *s++ = 0x80 | ((wc >> 18) & 0x3f); + *s++ = 0x80 | ((wc >> 12) & 0x3f); + *s++ = 0x80 | ((wc >> 6) & 0x3f); + *s++ = 0x80 | (wc & 0x3f); + return 5; + } + else if (wc < (1u << 31)) { + *s++ = 0xfc | (wc >> 30); + *s++ = 0x80 | ((wc >> 24) & 0x3f); + *s++ = 0x80 | ((wc >> 18) & 0x3f); + *s++ = 0x80 | ((wc >> 12) & 0x3f); + *s++ = 0x80 | ((wc >> 6) & 0x3f); + *s++ = 0x80 | (wc & 0x3f); + return 6; + } + else + return -1; +} + +/* + * The charset "object" and methods. + */ + +struct charset { + int max; + int (*mbtowc)(void *table, int *pwc, const char *s, size_t n); + int (*wctomb)(void *table, char *s, int wc); + void *map; +}; + +int charset_mbtowc(struct charset *charset, int *pwc, const char *s, size_t n) +{ + return (*charset->mbtowc)(charset->map, pwc, s, n); +} + +int charset_wctomb(struct charset *charset, char *s, int wc) +{ + return (*charset->wctomb)(charset->map, s, wc); +} + +int charset_max(struct charset *charset) +{ + return charset->max; +} + +/* + * Implementation of UTF-8. + */ + +static int mbtowc_utf8(void *map, int *pwc, const char *s, size_t n) +{ + (void)map; + return utf8_mbtowc(pwc, s, n); +} + +static int wctomb_utf8(void *map, char *s, int wc) +{ + (void)map; + return utf8_wctomb(s, wc); +} + +/* + * Implementation of US-ASCII. + * Probably on most architectures this compiles to less than 256 bytes + * of code, so we can save space by not having a table for this one. + */ + +static int mbtowc_ascii(void *map, int *pwc, const char *s, size_t n) +{ + int wc; + + (void)map; + if (!n || !s) + return 0; + wc = (uint8_t)*s; + if (wc & ~0x7f) + return -1; + if (pwc) + *pwc = wc; + return wc ? 1 : 0; +} + +static int wctomb_ascii(void *map, char *s, int wc) +{ + (void)map; + if (!s) + return 0; + if (wc & ~0x7f) + return -1; + *s = wc; + return 1; +} + +/* + * Implementation of ISO-8859-1. + * Probably on most architectures this compiles to less than 256 bytes + * of code, so we can save space by not having a table for this one. + */ + +static int mbtowc_iso1(void *map, int *pwc, const char *s, size_t n) +{ + int wc; + + (void)map; + if (!n || !s) + return 0; + wc = (uint8_t)*s; + if (wc & ~0xff) + return -1; + if (pwc) + *pwc = wc; + return wc ? 1 : 0; +} + +static int wctomb_iso1(void *map, char *s, int wc) +{ + (void)map; + if (!s) + return 0; + if (wc & ~0xff) + return -1; + *s = wc; + return 1; +} + +/* + * Implementation of any 8-bit charset. + */ + +struct map { + const uint16_t *from; + struct inverse_map *to; +}; + +static int mbtowc_8bit(void *map1, int *pwc, const char *s, size_t n) +{ + struct map *map = map1; + uint16_t wc; + + if (!n || !s) + return 0; + wc = map->from[(uint8_t)*s]; + if (wc == 0xffff) + return -1; + if (pwc) + *pwc = (int)wc; + return wc ? 1 : 0; +} + +/* + * For the inverse map we use a hash table, which has the advantages + * of small constant memory requirement and simple memory allocation, + * but the disadvantage of slow conversion in the worst case. + * If you need real-time performance while letting a potentially + * malicious user define their own map, then the method used in + * linux/drivers/char/consolemap.c would be more appropriate. + */ + +struct inverse_map { + uint8_t first[256]; + uint8_t next[256]; +}; + +/* + * The simple hash is good enough for this application. + * Use the alternative trivial hashes for testing. + */ +#define HASH(i) ((i) & 0xff) +/* #define HASH(i) 0 */ +/* #define HASH(i) 99 */ + +static struct inverse_map *make_inverse_map(const uint16_t *from) +{ + struct inverse_map *to; + char used[256]; + int i, j, k; + + to = malloc(sizeof(struct inverse_map)); + if (!to) + return 0; + for (i = 0; i < 256; i++) + to->first[i] = to->next[i] = used[i] = 0; + for (i = 255; i >= 0; i--) + if (from[i] != 0xffff) { + k = HASH(from[i]); + to->next[i] = to->first[k]; + to->first[k] = i; + used[k] = 1; + } + + /* Point the empty buckets at an empty list. */ + for (i = 0; i < 256; i++) + if (!to->next[i]) + break; + if (i < 256) + for (j = 0; j < 256; j++) + if (!used[j]) + to->first[j] = i; + + return to; +} + +static int wctomb_8bit(void *map1, char *s, int wc1) +{ + struct map *map = map1; + uint16_t wc = wc1; + int i; + + if (!s) + return 0; + + if (wc1 & ~0xffff) + return -1; + + if (1) /* Change 1 to 0 to test the case where malloc fails. */ + if (!map->to) + map->to = make_inverse_map(map->from); + + if (map->to) { + /* Use the inverse map. */ + i = map->to->first[HASH(wc)]; + for (;;) { + if (map->from[i] == wc) { + *s = i; + return 1; + } + if (!(i = map->to->next[i])) + break; + } + } + else { + /* We don't have an inverse map, so do a linear search. */ + for (i = 0; i < 256; i++) + if (map->from[i] == wc) { + *s = i; + return 1; + } + } + + return -1; +} + +/* + * The "constructor" charset_find(). + */ + +struct charset charset_utf8 = { + 6, + &mbtowc_utf8, + &wctomb_utf8, + 0 +}; + +struct charset charset_iso1 = { + 1, + &mbtowc_iso1, + &wctomb_iso1, + 0 +}; + +struct charset charset_ascii = { + 1, + &mbtowc_ascii, + &wctomb_ascii, + 0 +}; + +struct charset *charset_find(const char *code) +{ + int i; + + /* Find good (MIME) name. */ + for (i = 0; names[i].bad; i++) + if (!ascii_strcasecmp(code, names[i].bad)) { + code = names[i].good; + break; + } + + /* Recognise some charsets for which we avoid using a table. */ + if (!ascii_strcasecmp(code, "UTF-8")) + return &charset_utf8; + if (!ascii_strcasecmp(code, "US-ASCII")) + return &charset_ascii; + if (!ascii_strcasecmp(code, "ISO-8859-1")) + return &charset_iso1; + + /* Look for a mapping for a simple 8-bit encoding. */ + for (i = 0; maps[i].name; i++) + if (!ascii_strcasecmp(code, maps[i].name)) { + if (!maps[i].charset) { + maps[i].charset = malloc(sizeof(struct charset)); + if (maps[i].charset) { + struct map *map = malloc(sizeof(struct map)); + if (!map) { + free(maps[i].charset); + maps[i].charset = 0; + } + else { + maps[i].charset->max = 1; + maps[i].charset->mbtowc = &mbtowc_8bit; + maps[i].charset->wctomb = &wctomb_8bit; + maps[i].charset->map = map; + map->from = maps[i].map; + map->to = 0; /* inverse mapping is created when required */ + } + } + } + return maps[i].charset; + } + + return 0; +} + +/* + * Function to convert a buffer from one encoding to another. + * Invalid bytes are replaced by '#', and characters that are + * not available in the target encoding are replaced by '?'. + * Each of TO and TOLEN may be zero, if the result is not needed. + * The output buffer is null-terminated, so it is all right to + * use charset_convert(fromcode, tocode, s, strlen(s), &t, 0). + */ + +int charset_convert(const char *fromcode, const char *tocode, + const char *from, size_t fromlen, + char **to, size_t *tolen) +{ + int ret = 0; + struct charset *charset1, *charset2; + char *tobuf, *p; + int i, j, wc; + + charset1 = charset_find(fromcode); + charset2 = charset_find(tocode); + if (!charset1 || !charset2 ) + return -1; + + tobuf = safe_malloc_mul2add_(fromlen, /*times*/charset2->max, /*+*/1); + if (!tobuf) + return -2; + + for (p = tobuf; fromlen; from += i, fromlen -= i, p += j) { + i = charset_mbtowc(charset1, &wc, from, fromlen); + if (!i) + i = 1; + else if (i == -1) { + i = 1; + wc = '#'; + ret = 2; + } + j = charset_wctomb(charset2, p, wc); + if (j == -1) { + if (!ret) + ret = 1; + j = charset_wctomb(charset2, p, '?'); + if (j == -1) + j = 0; + } + } + + if (tolen) + *tolen = p - tobuf; + *p++ = '\0'; + if (to) { + char *tobuf_saved = tobuf; + *to = realloc(tobuf, p - tobuf); + if (*to == NULL) + *to = tobuf_saved; + } + else + free(tobuf); + + return ret; +} + +#endif /* USE_CHARSET_ICONV */ diff --git a/src/share/utf8/charset.h b/src/share/utf8/charset.h new file mode 100644 index 0000000..ea8e31e --- /dev/null +++ b/src/share/utf8/charset.h @@ -0,0 +1,72 @@ +/* + * Copyright (C) 2001 Edmund Grimley Evans <edmundo@rano.org> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#include <stdlib.h> + +/* + * These functions are like the C library's mbtowc() and wctomb(), + * but instead of depending on the locale they always work in UTF-8, + * and they use int instead of wchar_t. + */ + +int utf8_mbtowc(int *pwc, const char *s, size_t n); +int utf8_wctomb(char *s, int wc); + +/* + * This is an object-oriented version of mbtowc() and wctomb(). + * The caller first uses charset_find() to get a pointer to struct + * charset, then uses the mbtowc() and wctomb() methods on it. + * The function charset_max() gives the maximum length of a + * multibyte character in that encoding. + * This API is only appropriate for stateless encodings like UTF-8 + * or ISO-8859-3, but I have no intention of implementing anything + * other than UTF-8 and 8-bit encodings. + * + * MINOR BUG: If there is no memory charset_find() may return 0 and + * there is no way to distinguish this case from an unknown encoding. + */ + +struct charset; + +struct charset *charset_find(const char *code); + +int charset_mbtowc(struct charset *charset, int *pwc, const char *s, size_t n); +int charset_wctomb(struct charset *charset, char *s, int wc); +int charset_max(struct charset *charset); + +/* + * Function to convert a buffer from one encoding to another. + * Invalid bytes are replaced by '#', and characters that are + * not available in the target encoding are replaced by '?'. + * Each of TO and TOLEN may be zero if the result is not wanted. + * The input or output may contain null bytes, but the output + * buffer is also null-terminated, so it is all right to + * use charset_convert(fromcode, tocode, s, strlen(s), &t, 0). + * + * Return value: + * + * -2 : memory allocation failed + * -1 : unknown encoding + * 0 : data was converted exactly + * 1 : valid data was converted approximately (using '?') + * 2 : input was invalid (but still converted, using '#') + */ + +int charset_convert(const char *fromcode, const char *tocode, + const char *from, size_t fromlen, + char **to, size_t *tolen); diff --git a/src/share/utf8/charset_test.c b/src/share/utf8/charset_test.c new file mode 100644 index 0000000..6761100 --- /dev/null +++ b/src/share/utf8/charset_test.c @@ -0,0 +1,263 @@ +/* + * Copyright (C) 2001 Edmund Grimley Evans <edmundo@rano.org> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include <assert.h> +#include <string.h> + +#include "charset.h" + +void test_any(struct charset *charset) +{ + int wc; + char s[2]; + + assert(charset); + + /* Decoder */ + + assert(charset_mbtowc(charset, 0, 0, 0) == 0); + assert(charset_mbtowc(charset, 0, 0, 1) == 0); + assert(charset_mbtowc(charset, 0, (char *)(-1), 0) == 0); + + assert(charset_mbtowc(charset, 0, "a", 0) == 0); + assert(charset_mbtowc(charset, 0, "", 1) == 0); + assert(charset_mbtowc(charset, 0, "b", 1) == 1); + assert(charset_mbtowc(charset, 0, "", 2) == 0); + assert(charset_mbtowc(charset, 0, "c", 2) == 1); + + wc = 'x'; + assert(charset_mbtowc(charset, &wc, "a", 0) == 0 && wc == 'x'); + assert(charset_mbtowc(charset, &wc, "", 1) == 0 && wc == 0); + assert(charset_mbtowc(charset, &wc, "b", 1) == 1 && wc == 'b'); + assert(charset_mbtowc(charset, &wc, "", 2) == 0 && wc == 0); + assert(charset_mbtowc(charset, &wc, "c", 2) == 1 && wc == 'c'); + + /* Encoder */ + + assert(charset_wctomb(charset, 0, 0) == 0); + + s[0] = s[1] = '.'; + assert(charset_wctomb(charset, s, 0) == 1 && + s[0] == '\0' && s[1] == '.'); + assert(charset_wctomb(charset, s, 'x') == 1 && + s[0] == 'x' && s[1] == '.'); +} + +void test_utf8() +{ + struct charset *charset; + int wc; + char s[8]; + + charset = charset_find("UTF-8"); + test_any(charset); + + /* Decoder */ + wc = 0; + assert(charset_mbtowc(charset, &wc, "\177", 1) == 1 && wc == 127); + assert(charset_mbtowc(charset, &wc, "\200", 2) == -1); + assert(charset_mbtowc(charset, &wc, "\301\277", 9) == -1); + assert(charset_mbtowc(charset, &wc, "\302\200", 1) == -1); + assert(charset_mbtowc(charset, &wc, "\302\200", 2) == 2 && wc == 128); + assert(charset_mbtowc(charset, &wc, "\302\200", 3) == 2 && wc == 128); + assert(charset_mbtowc(charset, &wc, "\340\237\200", 9) == -1); + assert(charset_mbtowc(charset, &wc, "\340\240\200", 9) == 3 && + wc == 1 << 11); + assert(charset_mbtowc(charset, &wc, "\360\217\277\277", 9) == -1); + assert(charset_mbtowc(charset, &wc, "\360\220\200\200", 9) == 4 && + wc == 1 << 16); + assert(charset_mbtowc(charset, &wc, "\370\207\277\277\277", 9) == -1); + assert(charset_mbtowc(charset, &wc, "\370\210\200\200\200", 9) == 5 && + wc == 1 << 21); + assert(charset_mbtowc(charset, &wc, "\374\203\277\277\277\277", 9) == -1); + assert(charset_mbtowc(charset, &wc, "\374\204\200\200\200\200", 9) == 6 && + wc == 1 << 26); + assert(charset_mbtowc(charset, &wc, "\375\277\277\277\277\277", 9) == 6 && + wc == 0x7fffffff); + + assert(charset_mbtowc(charset, &wc, "\302\000", 2) == -1); + assert(charset_mbtowc(charset, &wc, "\302\300", 2) == -1); + assert(charset_mbtowc(charset, &wc, "\340\040\200", 9) == -1); + assert(charset_mbtowc(charset, &wc, "\340\340\200", 9) == -1); + assert(charset_mbtowc(charset, &wc, "\340\240\000", 9) == -1); + assert(charset_mbtowc(charset, &wc, "\340\240\300", 9) == -1); + assert(charset_mbtowc(charset, &wc, "\360\020\200\200", 9) == -1); + assert(charset_mbtowc(charset, &wc, "\360\320\200\200", 9) == -1); + assert(charset_mbtowc(charset, &wc, "\360\220\000\200", 9) == -1); + assert(charset_mbtowc(charset, &wc, "\360\220\300\200", 9) == -1); + assert(charset_mbtowc(charset, &wc, "\360\220\200\000", 9) == -1); + assert(charset_mbtowc(charset, &wc, "\360\220\200\300", 9) == -1); + assert(charset_mbtowc(charset, &wc, "\375\077\277\277\277\277", 9) == -1); + assert(charset_mbtowc(charset, &wc, "\375\377\277\277\277\277", 9) == -1); + assert(charset_mbtowc(charset, &wc, "\375\277\077\277\277\277", 9) == -1); + assert(charset_mbtowc(charset, &wc, "\375\277\377\277\277\277", 9) == -1); + assert(charset_mbtowc(charset, &wc, "\375\277\277\277\077\277", 9) == -1); + assert(charset_mbtowc(charset, &wc, "\375\277\277\277\377\277", 9) == -1); + assert(charset_mbtowc(charset, &wc, "\375\277\277\277\277\077", 9) == -1); + assert(charset_mbtowc(charset, &wc, "\375\277\277\277\277\377", 9) == -1); + + assert(charset_mbtowc(charset, &wc, "\376\277\277\277\277\277", 9) == -1); + assert(charset_mbtowc(charset, &wc, "\377\277\277\277\277\277", 9) == -1); + + /* Encoder */ + safe_strncpy(s, ".......", sizeof(s)); + assert(charset_wctomb(charset, s, 1u << 31) == -1 && + !strcmp(s, ".......")); + assert(charset_wctomb(charset, s, 127) == 1 && + !strcmp(s, "\177......")); + assert(charset_wctomb(charset, s, 128) == 2 && + !strcmp(s, "\302\200.....")); + assert(charset_wctomb(charset, s, 0x7ff) == 2 && + !strcmp(s, "\337\277.....")); + assert(charset_wctomb(charset, s, 0x800) == 3 && + !strcmp(s, "\340\240\200....")); + assert(charset_wctomb(charset, s, 0xffff) == 3 && + !strcmp(s, "\357\277\277....")); + assert(charset_wctomb(charset, s, 0x10000) == 4 && + !strcmp(s, "\360\220\200\200...")); + assert(charset_wctomb(charset, s, 0x1fffff) == 4 && + !strcmp(s, "\367\277\277\277...")); + assert(charset_wctomb(charset, s, 0x200000) == 5 && + !strcmp(s, "\370\210\200\200\200..")); + assert(charset_wctomb(charset, s, 0x3ffffff) == 5 && + !strcmp(s, "\373\277\277\277\277..")); + assert(charset_wctomb(charset, s, 0x4000000) == 6 && + !strcmp(s, "\374\204\200\200\200\200.")); + assert(charset_wctomb(charset, s, 0x7fffffff) == 6 && + !strcmp(s, "\375\277\277\277\277\277.")); +} + +void test_ascii() +{ + struct charset *charset; + int wc; + char s[3]; + + charset = charset_find("us-ascii"); + test_any(charset); + + /* Decoder */ + wc = 0; + assert(charset_mbtowc(charset, &wc, "\177", 2) == 1 && wc == 127); + assert(charset_mbtowc(charset, &wc, "\200", 2) == -1); + + /* Encoder */ + safe_strncpy(s, "..", sizeof(s)); + assert(charset_wctomb(charset, s, 256) == -1 && !strcmp(s, "..")); + assert(charset_wctomb(charset, s, 255) == -1); + assert(charset_wctomb(charset, s, 128) == -1); + assert(charset_wctomb(charset, s, 127) == 1 && !strcmp(s, "\177.")); +} + +void test_iso1() +{ + struct charset *charset; + int wc; + char s[3]; + + charset = charset_find("iso-8859-1"); + test_any(charset); + + /* Decoder */ + wc = 0; + assert(charset_mbtowc(charset, &wc, "\302\200", 9) == 1 && wc == 0xc2); + + /* Encoder */ + safe_strncpy(s, "..", sizeof(s)); + assert(charset_wctomb(charset, s, 256) == -1 && !strcmp(s, "..")); + assert(charset_wctomb(charset, s, 255) == 1 && !strcmp(s, "\377.")); + assert(charset_wctomb(charset, s, 128) == 1 && !strcmp(s, "\200.")); +} + +void test_iso2() +{ + struct charset *charset; + int wc; + char s[3]; + + charset = charset_find("iso-8859-2"); + test_any(charset); + + /* Decoder */ + wc = 0; + assert(charset_mbtowc(charset, &wc, "\302\200", 9) == 1 && wc == 0xc2); + assert(charset_mbtowc(charset, &wc, "\377", 2) == 1 && wc == 0x2d9); + + /* Encoder */ + safe_strncpy(s, "..", sizeof(s)); + assert(charset_wctomb(charset, s, 256) == -1 && !strcmp(s, "..")); + assert(charset_wctomb(charset, s, 255) == -1 && !strcmp(s, "..")); + assert(charset_wctomb(charset, s, 258) == 1 && !strcmp(s, "\303.")); + assert(charset_wctomb(charset, s, 128) == 1 && !strcmp(s, "\200.")); +} + +void test_convert() +{ + const char *p; + char *q, *r; + char s[256]; + size_t n, n2; + int i; + + p = "\000x\302\200\375\277\277\277\277\277"; + assert(charset_convert("UTF-8", "UTF-8", p, 10, &q, &n) == 0 && + n == 10 && !strcmp(p, q)); + assert(charset_convert("UTF-8", "UTF-8", "x\301\277y", 4, &q, &n) == 2 && + n == 4 && !strcmp(q, "x##y")); + assert(charset_convert("UTF-8", "UTF-8", "x\301\277y", 4, 0, &n) == 2 && + n == 4); + assert(charset_convert("UTF-8", "UTF-8", "x\301\277y", 4, &q, 0) == 2 && + !strcmp(q, "x##y")); + assert(charset_convert("UTF-8", "iso-8859-1", + "\302\200\304\200x", 5, &q, &n) == 1 && + n == 3 && !strcmp(q, "\200?x")); + assert(charset_convert("iso-8859-1", "UTF-8", + "\000\200\377", 3, &q, &n) == 0 && + n == 5 && !memcmp(q, "\000\302\200\303\277", 5)); + assert(charset_convert("iso-8859-1", "iso-8859-1", + "\000\200\377", 3, &q, &n) == 0 && + n == 3 && !memcmp(q, "\000\200\377", 3)); + + assert(charset_convert("iso-8859-2", "utf-8", "\300", 1, &q, &n) == 0 && + n == 2 && !strcmp(q, "\305\224")); + assert(charset_convert("utf-8", "iso-8859-2", "\305\224", 2, &q, &n) == 0 && + n == 1 && !strcmp(q, "\300")); + + for (i = 0; i < 256; i++) + s[i] = i; + + assert(charset_convert("iso-8859-2", "utf-8", s, 256, &q, &n) == 0); + assert(charset_convert("utf-8", "iso-8859-2", q, n, &r, &n2) == 0); + assert(n2 == 256 && !memcmp(r, s, n2)); +} + +int main() +{ + test_utf8(); + test_ascii(); + test_iso1(); + test_iso2(); + + test_convert(); + + return 0; +} diff --git a/src/share/utf8/iconvert.c b/src/share/utf8/iconvert.c new file mode 100644 index 0000000..9a1e3f6 --- /dev/null +++ b/src/share/utf8/iconvert.c @@ -0,0 +1,257 @@ +/* + * Copyright (C) 2001 Edmund Grimley Evans <edmundo@rano.org> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#if !defined _WIN32 && defined HAVE_ICONV + +#include <assert.h> +#include <errno.h> +#include <iconv.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include "iconvert.h" +#include "share/alloc.h" +#include "share/safe_str.h" + +/* + * Convert data from one encoding to another. Return: + * + * -2 : memory allocation failed + * -1 : unknown encoding + * 0 : data was converted exactly + * 1 : data was converted inexactly + * 2 : data was invalid (but still converted) + * + * We convert in two steps, via UTF-8, as this is the only + * reliable way of distinguishing between invalid input + * and valid input which iconv refuses to transliterate. + * We convert from UTF-8 twice, because we have no way of + * knowing whether the conversion was exact if iconv returns + * E2BIG (due to a bug in the specification of iconv). + * An alternative approach is to assume that the output of + * iconv is never more than 4 times as long as the input, + * but I prefer to avoid that assumption if possible. + */ + +int iconvert(const char *fromcode, const char *tocode, + const char *from, size_t fromlen, + char **to, size_t *tolen) +{ + int ret = 0; + iconv_t cd1, cd2; + char *ib; + char *ob; + char *utfbuf = 0, *outbuf, *newbuf; + size_t utflen, outlen, ibl, obl, obp, k; + char tbuf[2048]; + + cd1 = iconv_open("UTF-8", fromcode); + if (cd1 == (iconv_t)(-1)) + return -1; + + cd2 = (iconv_t)(-1); + /* Don't use strcasecmp() as it's locale-dependent. */ + if (!strchr("Uu", tocode[0]) || + !strchr("Tt", tocode[1]) || + !strchr("Ff", tocode[2]) || + tocode[3] != '-' || + tocode[4] != '8' || + tocode[5] != '\0') { + char *tocode1; + int rc; + /* + * Try using this non-standard feature of glibc and libiconv. + * This is deliberately not a config option as people often + * change their iconv library without rebuilding applications. + */ + + rc = asprintf(&tocode1, "%s//TRANSLIT", tocode); + if (rc < 0 || ! tocode1) + goto fail; + + cd2 = iconv_open(tocode1, "UTF-8"); + free(tocode1); + + if (cd2 == (iconv_t)(-1)) + cd2 = iconv_open(tocode, fromcode); + + if (cd2 == (iconv_t)(-1)) { + iconv_close(cd1); + return -1; + } + } + + utflen = 1; /*fromlen * 2 + 1; XXX */ + utfbuf = malloc(utflen); + if (!utfbuf) + goto fail; + + /* Convert to UTF-8 */ + ib = (char *)from; + ibl = fromlen; + ob = utfbuf; + obl = utflen; + for (;;) { + k = iconv(cd1, &ib, &ibl, &ob, &obl); + assert((!k && !ibl) || + (k == (size_t)(-1) && errno == E2BIG && ibl && obl < 6) || + (k == (size_t)(-1) && + (errno == EILSEQ || errno == EINVAL) && ibl)); + if (!ibl) + break; + if (obl < 6) { + /* Enlarge the buffer */ + if(utflen*2 < utflen) /* overflow check */ + goto fail; + utflen *= 2; + obp = ob - utfbuf; /* save position */ + newbuf = realloc(utfbuf, utflen); + if (!newbuf) + goto fail; + ob = newbuf + obp; + obl = utflen - obp; + utfbuf = newbuf; + } + else { + /* Invalid input */ + ib++, ibl--; + *ob++ = '#', obl--; + ret = 2; + iconv(cd1, 0, 0, 0, 0); + } + } + + if (cd2 == (iconv_t)(-1)) { + /* The target encoding was UTF-8 */ + if (tolen) + *tolen = ob - utfbuf; + if (!to) { + free(utfbuf); + iconv_close(cd1); + return ret; + } + newbuf = safe_realloc_nofree_add_2op_(utfbuf, (ob - utfbuf), /*+*/1); + if (!newbuf) + goto fail; + ob = (ob - utfbuf) + newbuf; + *ob = '\0'; + *to = newbuf; + iconv_close(cd1); + return ret; + } + + /* Truncate the buffer to be tidy */ + utflen = ob - utfbuf; + if (utflen == 0) + goto fail; + newbuf = realloc(utfbuf, utflen); + if (!newbuf) + goto fail; + utfbuf = newbuf; + + /* Convert from UTF-8 to discover how long the output is */ + outlen = 0; + ib = utfbuf; + ibl = utflen; + while (ibl) { + ob = tbuf; + obl = sizeof(tbuf); + k = iconv(cd2, &ib, &ibl, &ob, &obl); + assert((k != (size_t)(-1) && !ibl) || + (k == (size_t)(-1) && errno == E2BIG && ibl) || + (k == (size_t)(-1) && errno == EILSEQ && ibl)); + if (ibl && !(k == (size_t)(-1) && errno == E2BIG)) { + /* Replace one character */ + char *tb = "?"; + size_t tbl = 1; + + outlen += ob - tbuf; + ob = tbuf; + obl = sizeof(tbuf); + k = iconv(cd2, &tb, &tbl, &ob, &obl); + assert((!k && !tbl) || + (k == (size_t)(-1) && errno == EILSEQ && tbl)); + for (++ib, --ibl; ibl && (*ib & 0x80); ib++, ibl--) + ; + } + outlen += ob - tbuf; + } + ob = tbuf; + obl = sizeof(tbuf); + k = iconv(cd2, 0, 0, &ob, &obl); + assert(!k); + outlen += ob - tbuf; + + /* Convert from UTF-8 for real */ + outbuf = safe_malloc_add_2op_(outlen, /*+*/1); + if (!outbuf) + goto fail; + ib = utfbuf; + ibl = utflen; + ob = outbuf; + obl = outlen; + while (ibl) { + k = iconv(cd2, &ib, &ibl, &ob, &obl); + assert((k != (size_t)(-1) && !ibl) || + (k == (size_t)(-1) && errno == EILSEQ && ibl)); + if (k && !ret) + ret = 1; + if (ibl && !(k == (size_t)(-1) && errno == E2BIG)) { + /* Replace one character */ + char *tb = "?"; + size_t tbl = 1; + + k = iconv(cd2, &tb, &tbl, &ob, &obl); + assert((!k && !tbl) || + (k == (size_t)(-1) && errno == EILSEQ && tbl)); + for (++ib, --ibl; ibl && (*ib & 0x80); ib++, ibl--) + ; + } + } + k = iconv(cd2, 0, 0, &ob, &obl); + assert(!k); + assert(!obl); + *ob = '\0'; + + free(utfbuf); + iconv_close(cd1); + iconv_close(cd2); + if (tolen) + *tolen = outlen; + if (!to) { + free(outbuf); + return ret; + } + *to = outbuf; + return ret; + + fail: + if(0 != utfbuf) + free(utfbuf); + iconv_close(cd1); + if (cd2 != (iconv_t)(-1)) + iconv_close(cd2); + return -2; +} + +#endif /* HAVE_ICONV */ diff --git a/src/share/utf8/iconvert.h b/src/share/utf8/iconvert.h new file mode 100644 index 0000000..a2d75a2 --- /dev/null +++ b/src/share/utf8/iconvert.h @@ -0,0 +1,49 @@ +/* + * Copyright (C) 2001 Edmund Grimley Evans <edmundo@rano.org> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#ifdef HAVE_ICONV + +/* + * Convert data from one encoding to another. Return: + * + * -2 : memory allocation failed + * -1 : unknown encoding + * 0 : data was converted exactly + * 1 : data was converted inexactly + * 2 : data was invalid (but still converted) + * + * We convert in two steps, via UTF-8, as this is the only + * reliable way of distinguishing between invalid input + * and valid input which iconv refuses to transliterate. + * We convert from UTF-8 twice, because we have no way of + * knowing whether the conversion was exact if iconv returns + * E2BIG (due to a bug in the specification of iconv). + * An alternative approach is to assume that the output of + * iconv is never more than 4 times as long as the input, + * but I prefer to avoid that assumption if possible. + */ + +int iconvert(const char *fromcode, const char *tocode, + const char *from, size_t fromlen, + char **to, size_t *tolen) ; + +#endif /* HAVE_ICONV */ diff --git a/src/share/utf8/makemap.c b/src/share/utf8/makemap.c new file mode 100644 index 0000000..790021c --- /dev/null +++ b/src/share/utf8/makemap.c @@ -0,0 +1,81 @@ +/* + * Copyright (C) 2001 Edmund Grimley Evans <edmundo@rano.org> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include <errno.h> +#include <iconv.h> +#include <stdio.h> + +int main(int argc, char *argv[]) +{ + iconv_t cd; + const char *ib; + char *ob; + size_t ibl, obl, k; + uint8_t c, buf[4]; + int i, wc; + + if (argc != 2) { + printf("Usage: %s ENCODING\n", argv[0]); + printf("Output a charset map for the 8-bit ENCODING.\n"); + return 1; + } + + cd = iconv_open("UCS-4", argv[1]); + if (cd == (iconv_t)(-1)) { + perror("iconv_open"); + return 1; + } + + for (i = 0; i < 256; i++) { + c = i; + ib = &c; + ibl = 1; + ob = buf; + obl = 4; + k = iconv(cd, &ib, &ibl, &ob, &obl); + if (!k && !ibl && !obl) { + wc = (buf[0] << 24) + (buf[1] << 16) + (buf[2] << 8) + buf[3]; + if (wc >= 0xffff) { + printf("Dodgy value.\n"); + return 1; + } + } + else if (k == (size_t)(-1) && errno == EILSEQ) + wc = 0xffff; + else { + printf("Non-standard iconv.\n"); + return 1; + } + + if (i % 8 == 0) + printf(" "); + printf("0x%04x", wc); + if (i == 255) + printf("\n"); + else if (i % 8 == 7) + printf(",\n"); + else + printf(", "); + } + + return 0; +} diff --git a/src/share/utf8/utf8.c b/src/share/utf8/utf8.c new file mode 100644 index 0000000..34af187 --- /dev/null +++ b/src/share/utf8/utf8.c @@ -0,0 +1,202 @@ +/* + * Copyright (C) 2001 Peter Harris <peter.harris@hummingbird.com> + * Copyright (C) 2001 Edmund Grimley Evans <edmundo@rano.org> + * + * Buffer overflow checking added: Josh Coalson, 9/9/2007 + * + * Win32 part rewritten: lvqcl, 2/2/2016 + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +/* + * Convert a string between UTF-8 and the locale's charset. + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include <stdio.h> +#include <stdlib.h> + +#include "share/alloc.h" +#include "share/utf8.h" + +#ifdef _WIN32 + +#include <windows.h> + +int utf8_encode(const char *from, char **to) +{ + wchar_t *unicode = NULL; + char *utf8 = NULL; + int ret = -1; + + do { + int len; + + len = MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, from, -1, NULL, 0); + if(len == 0) break; + unicode = (wchar_t*) safe_malloc_mul_2op_((size_t)len, sizeof(wchar_t)); + if(unicode == NULL) break; + len = MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, from, -1, unicode, len); + if(len == 0) break; + + len = WideCharToMultiByte(CP_UTF8, 0, unicode, -1, NULL, 0, NULL, NULL); + if(len == 0) break; + utf8 = (char*) safe_malloc_mul_2op_((size_t)len, sizeof(char)); + if(utf8 == NULL) break; + len = WideCharToMultiByte(CP_UTF8, 0, unicode, -1, utf8, len, NULL, NULL); + if(len == 0) break; + + ret = 0; + + } while(0); + + free(unicode); + + if(ret == 0) { + *to = utf8; + } else { + free(utf8); + *to = NULL; + } + + return ret; +} + +int utf8_decode(const char *from, char **to) +{ + wchar_t *unicode = NULL; + char *acp = NULL; + int ret = -1; + + do { + int len; + + len = MultiByteToWideChar(CP_UTF8, 0, from, -1, NULL, 0); + if(len == 0) break; + unicode = (wchar_t*) safe_malloc_mul_2op_((size_t)len, sizeof(wchar_t)); + if(unicode == NULL) break; + len = MultiByteToWideChar(CP_UTF8, 0, from, -1, unicode, len); + if(len == 0) break; + + len = WideCharToMultiByte(CP_ACP, WC_COMPOSITECHECK, unicode, -1, NULL, 0, NULL, NULL); + if(len == 0) break; + acp = (char*) safe_malloc_mul_2op_((size_t)len, sizeof(char)); + if(acp == NULL) break; + len = WideCharToMultiByte(CP_ACP, WC_COMPOSITECHECK, unicode, -1, acp, len, NULL, NULL); + if(len == 0) break; + + ret = 0; + + } while(0); + + free(unicode); + + if(ret == 0) { + *to = acp; + } else { + free(acp); + *to = NULL; + } + + return ret; +} + +#else /* End win32. Rest is for real operating systems */ + + +#ifdef HAVE_LANGINFO_CODESET +#include <langinfo.h> +#endif + +#include <string.h> + +#include "share/safe_str.h" +#include "iconvert.h" +#include "charset.h" + +static const char *current_charset(void) +{ + const char *c = 0; +#ifdef HAVE_LANGINFO_CODESET + c = nl_langinfo(CODESET); +#endif + + if (!c) + c = getenv("CHARSET"); + + return c? c : "US-ASCII"; +} + +static int convert_buffer(const char *fromcode, const char *tocode, + const char *from, size_t fromlen, + char **to, size_t *tolen) +{ + int ret = -1; + +#ifdef HAVE_ICONV + ret = iconvert(fromcode, tocode, from, fromlen, to, tolen); + if (ret != -1) + return ret; +#endif + +#ifndef HAVE_ICONV /* should be ifdef USE_CHARSET_CONVERT */ + ret = charset_convert(fromcode, tocode, from, fromlen, to, tolen); + if (ret != -1) + return ret; +#endif + + return ret; +} + +static int convert_string(const char *fromcode, const char *tocode, + const char *from, char **to, char replace) +{ + int ret; + size_t fromlen; + char *s; + + fromlen = strlen(from); + ret = convert_buffer(fromcode, tocode, from, fromlen, to, 0); + if (ret == -2) + return -1; + if (ret != -1) + return ret; + + s = safe_malloc_add_2op_(fromlen, /*+*/1); + if (!s) + return -1; + snprintf(s, fromlen + 1, "%s", from); + *to = s; + for (; *s; s++) + if (*s & ~0x7f) + *s = replace; + return 3; +} + +int utf8_encode(const char *from, char **to) +{ + return convert_string(current_charset(), "UTF-8", from, to, '#'); +} + +int utf8_decode(const char *from, char **to) +{ + return convert_string("UTF-8", current_charset(), from, to, '?'); +} + +#endif diff --git a/src/share/win_utf8_io/win_utf8_io.c b/src/share/win_utf8_io/win_utf8_io.c new file mode 100644 index 0000000..3ae35b3 --- /dev/null +++ b/src/share/win_utf8_io/win_utf8_io.c @@ -0,0 +1,398 @@ +/* libFLAC - Free Lossless Audio Codec library + * Copyright (C) 2013-2023 Xiph.Org Foundation + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * - Neither the name of the Xiph.org Foundation nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include <io.h> +#include <windows.h> +#include "share/win_utf8_io.h" + +#define UTF8_BUFFER_SIZE 32768 + +/* detect whether it is Windows APP (UWP) or standard Win32 envionment */ +#ifdef WINAPI_FAMILY_PARTITION + #if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_APP) && !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP) + #define FLAC_WINDOWS_APP 1 + #else + #define FLAC_WINDOWS_APP 0 + #endif +#else + #define FLAC_WINDOWS_APP 0 +#endif + +static int local_vsnprintf(char *str, size_t size, const char *fmt, va_list va) +{ + int rc; + +#if defined _MSC_VER + if (size == 0) + return 1024; + rc = vsnprintf_s(str, size, _TRUNCATE, fmt, va); + if (rc < 0) + rc = size - 1; +#elif defined __MINGW32__ + rc = __mingw_vsnprintf(str, size, fmt, va); +#else + rc = vsnprintf(str, size, fmt, va); +#endif + + return rc; +} + +/* convert WCHAR stored Unicode string to UTF-8. Caller is responsible for freeing memory */ +static char *utf8_from_wchar(const wchar_t *wstr) +{ + char *utf8str; + int len; + + if (!wstr) + return NULL; + if ((len = WideCharToMultiByte(CP_UTF8, 0, wstr, -1, NULL, 0, NULL, NULL)) == 0) + return NULL; + if ((utf8str = (char *)malloc(len)) == NULL) + return NULL; + if (WideCharToMultiByte(CP_UTF8, 0, wstr, -1, utf8str, len, NULL, NULL) == 0) { + free(utf8str); + utf8str = NULL; + } + + return utf8str; +} + +/* convert UTF-8 back to WCHAR. Caller is responsible for freeing memory */ +static wchar_t *wchar_from_utf8(const char *str) +{ + wchar_t *widestr; + int len; + + if (!str) + return NULL; + if ((len = MultiByteToWideChar(CP_UTF8, 0, str, -1, NULL, 0)) == 0) + return NULL; + if ((widestr = (wchar_t *)malloc(len*sizeof(wchar_t))) == NULL) + return NULL; + if (MultiByteToWideChar(CP_UTF8, 0, str, -1, widestr, len) == 0) { + free(widestr); + widestr = NULL; + } + + return widestr; +} + +/* retrieve WCHAR commandline, expand wildcards and convert everything to UTF-8 */ +int get_utf8_argv(int *argc, char ***argv) +{ +#if !FLAC_WINDOWS_APP + typedef int (__cdecl *wgetmainargs_t)(int*, wchar_t***, wchar_t***, int, int*); + wgetmainargs_t wgetmainargs; + HMODULE handle; +#endif // !FLAC_WINDOWS_APP + int wargc; + wchar_t **wargv; + wchar_t **wenv; + char **utf8argv; + int ret, i; + +#if FLAC_WINDOWS_APP + wargc = __argc; + wargv = __wargv; + wenv = _wenviron; +#else // !FLAC_WINDOWS_APP + if ((handle = LoadLibraryW(L"msvcrt.dll")) == NULL) return 1; + if ((wgetmainargs = (wgetmainargs_t)GetProcAddress(handle, "__wgetmainargs")) == NULL) { + FreeLibrary(handle); + return 1; + } + i = 0; + /* when the 4th argument is 1, __wgetmainargs expands wildcards but also erroneously converts \\?\c:\path\to\file.flac to \\file.flac */ + if (wgetmainargs(&wargc, &wargv, &wenv, 1, &i) != 0) { + FreeLibrary(handle); + return 1; + } +#endif // !FLAC_WINDOWS_APP + if ((utf8argv = (char **)calloc(wargc, sizeof(char*))) == NULL) { + #if !FLAC_WINDOWS_APP + FreeLibrary(handle); + #endif // !FLAC_WINDOWS_APP + return 1; + } + + ret = 0; + for (i=0; i<wargc; i++) { + if ((utf8argv[i] = utf8_from_wchar(wargv[i])) == NULL) { + ret = 1; + break; + } + } + +#if !FLAC_WINDOWS_APP + FreeLibrary(handle); /* do not free it when wargv or wenv are still in use */ +#endif // !FLAC_WINDOWS_APP + + if (ret == 0) { + *argc = wargc; + *argv = utf8argv; + } else { + for (i=0; i<wargc; i++) + free(utf8argv[i]); + free(utf8argv); + } + + return ret; +} + +/* similar to CreateFileW but accepts UTF-8 encoded lpFileName */ +HANDLE WINAPI CreateFile_utf8(const char *lpFileName, DWORD dwDesiredAccess, DWORD dwShareMode, LPSECURITY_ATTRIBUTES lpSecurityAttributes, DWORD dwCreationDisposition, DWORD dwFlagsAndAttributes, HANDLE hTemplateFile) +{ + wchar_t *wname; + HANDLE handle = INVALID_HANDLE_VALUE; + + if ((wname = wchar_from_utf8(lpFileName)) != NULL) { +#if !FLAC_WINDOWS_APP + handle = CreateFileW(wname, dwDesiredAccess, dwShareMode, lpSecurityAttributes, dwCreationDisposition, dwFlagsAndAttributes, hTemplateFile); +#else // FLAC_WINDOWS_APP + CREATEFILE2_EXTENDED_PARAMETERS params; + params.dwSize = sizeof(params); + params.dwFileAttributes = dwFlagsAndAttributes & 0xFFFF; + params.dwFileFlags = dwFlagsAndAttributes & 0xFFF00000; + params.dwSecurityQosFlags = dwFlagsAndAttributes & 0x000F0000; + params.lpSecurityAttributes = lpSecurityAttributes; + params.hTemplateFile = hTemplateFile; + handle = CreateFile2(wname, dwDesiredAccess, dwShareMode, dwCreationDisposition, ¶ms); +#endif // FLAC_WINDOWS_APP + free(wname); + } + + return handle; +} + +/* return number of characters in the UTF-8 string */ +size_t strlen_utf8(const char *str) +{ + size_t len; + len = MultiByteToWideChar(CP_UTF8, 0, str, -1, NULL, 0); /* includes terminating null */ + if (len != 0) + return len-1; + else + return strlen(str); +} + +/* get the console width in characters */ +int win_get_console_width(void) +{ + int width = 80; +#if !FLAC_WINDOWS_APP + CONSOLE_SCREEN_BUFFER_INFO csbi; + HANDLE hOut = GetStdHandle(STD_OUTPUT_HANDLE); + if(hOut != INVALID_HANDLE_VALUE && hOut != NULL) + if (GetConsoleScreenBufferInfo(hOut, &csbi) != 0) + width = csbi.dwSize.X; +#endif // !FLAC_WINDOWS_APP + return width; +} + +/* print functions */ + +#if !FLAC_WINDOWS_APP +static int wprint_console(FILE *stream, const wchar_t *text, size_t len) +{ + DWORD out; + int ret; + + do { + if (stream == stdout) { + HANDLE hOut = GetStdHandle(STD_OUTPUT_HANDLE); + if (hOut == INVALID_HANDLE_VALUE || hOut == NULL || GetFileType(hOut) != FILE_TYPE_CHAR) + break; + if (WriteConsoleW(hOut, text, len, &out, NULL) == 0) + return -1; + return out; + } + if (stream == stderr) { + HANDLE hErr = GetStdHandle(STD_ERROR_HANDLE); + if (hErr == INVALID_HANDLE_VALUE || hErr == NULL || GetFileType(hErr) != FILE_TYPE_CHAR) + break; + if (WriteConsoleW(hErr, text, len, &out, NULL) == 0) + return -1; + return out; + } + } while(0); + + ret = fputws(text, stream); + if (ret < 0) + return ret; + return len; +} +#endif // !FLAC_WINDOWS_APP + +int printf_utf8(const char *format, ...) +{ + int ret; + va_list argptr; + va_start(argptr, format); + + ret = vfprintf_utf8(stdout, format, argptr); + + va_end(argptr); + + return ret; +} + +int fprintf_utf8(FILE *stream, const char *format, ...) +{ + int ret; + va_list argptr; + va_start(argptr, format); + + ret = vfprintf_utf8(stream, format, argptr); + + va_end(argptr); + + return ret; +} + +int vfprintf_utf8(FILE *stream, const char *format, va_list argptr) +{ + char *utmp = NULL; + wchar_t *wout = NULL; + int ret = -1; + + do { + if (!(utmp = (char *)malloc(UTF8_BUFFER_SIZE))) break; + if ((ret = local_vsnprintf(utmp, UTF8_BUFFER_SIZE, format, argptr)) <= 0) break; + if (!(wout = wchar_from_utf8(utmp))) { + ret = -1; + break; + } +#if !FLAC_WINDOWS_APP + ret = wprint_console(stream, wout, wcslen(wout)); +#else // FLAC_WINDOWS_APP + OutputDebugStringW(wout); + ret = 0; +#endif // FLAC_WINDOWS_APP + } while(0); + + free(utmp); + free(wout); + + return ret; +} + +/* file functions */ + +FILE* fopen_utf8(const char *filename, const char *mode) +{ + wchar_t *wname = NULL; + wchar_t *wmode = NULL; + FILE *f = NULL; + + do { + if (!(wname = wchar_from_utf8(filename))) break; + if (!(wmode = wchar_from_utf8(mode))) break; + f = _wfopen(wname, wmode); + } while(0); + + free(wname); + free(wmode); + + return f; +} + +int stat64_utf8(const char *path, struct __stat64 *buffer) +{ + wchar_t *wpath; + int ret; + + if (!(wpath = wchar_from_utf8(path))) return -1; + ret = _wstat64(wpath, buffer); + free(wpath); + + return ret; +} + +int chmod_utf8(const char *filename, int pmode) +{ + wchar_t *wname; + int ret; + + if (!(wname = wchar_from_utf8(filename))) return -1; + ret = _wchmod(wname, pmode); + free(wname); + + return ret; +} + +int utime_utf8(const char *filename, struct utimbuf *times) +{ + wchar_t *wname; + struct __utimbuf64 ut; + int ret; + + if (!(wname = wchar_from_utf8(filename))) return -1; + ut.actime = times->actime; + ut.modtime = times->modtime; + ret = _wutime64(wname, &ut); + free(wname); + + return ret; +} + +int unlink_utf8(const char *filename) +{ + wchar_t *wname; + int ret; + + if (!(wname = wchar_from_utf8(filename))) return -1; + ret = _wunlink(wname); + free(wname); + + return ret; +} + +int rename_utf8(const char *oldname, const char *newname) +{ + wchar_t *wold = NULL; + wchar_t *wnew = NULL; + int ret = -1; + + do { + if (!(wold = wchar_from_utf8(oldname))) break; + if (!(wnew = wchar_from_utf8(newname))) break; + ret = _wrename(wold, wnew); + } while(0); + + free(wold); + free(wnew); + + return ret; +} diff --git a/src/test_grabbag/CMakeLists.txt b/src/test_grabbag/CMakeLists.txt new file mode 100644 index 0000000..56abe81 --- /dev/null +++ b/src/test_grabbag/CMakeLists.txt @@ -0,0 +1,2 @@ +add_subdirectory(cuesheet) +add_subdirectory(picture) diff --git a/src/test_grabbag/Makefile.am b/src/test_grabbag/Makefile.am new file mode 100644 index 0000000..ea71009 --- /dev/null +++ b/src/test_grabbag/Makefile.am @@ -0,0 +1,22 @@ +# FLAC - Free Lossless Audio Codec +# Copyright (C) 2002-2009 Josh Coalson +# Copyright (C) 2011-2023 Xiph.Org Foundation +# +# This file is part the FLAC project. FLAC is comprised of several +# components distributed under different licenses. The codec libraries +# are distributed under Xiph.Org's BSD-like license (see the file +# COPYING.Xiph in this distribution). All other programs, libraries, and +# plugins are distributed under the GPL (see COPYING.GPL). The documentation +# is distributed under the Gnu FDL (see COPYING.FDL). Each file in the +# FLAC distribution contains at the top the terms under which it may be +# distributed. +# +# Since this particular file is relevant to all components of FLAC, +# it may be distributed under the Xiph.Org license, which is the least +# restrictive of those mentioned above. See the file COPYING.Xiph in this +# distribution. + +SUBDIRS = cuesheet picture + +EXTRA_DIST = \ + CMakeLists.txt diff --git a/src/test_grabbag/Makefile.in b/src/test_grabbag/Makefile.in new file mode 100644 index 0000000..3d85721 --- /dev/null +++ b/src/test_grabbag/Makefile.in @@ -0,0 +1,679 @@ +# Makefile.in generated by automake 1.16.5 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2021 Free Software Foundation, Inc. + +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. + +@SET_MAKE@ + +# FLAC - Free Lossless Audio Codec +# Copyright (C) 2002-2009 Josh Coalson +# Copyright (C) 2011-2023 Xiph.Org Foundation +# +# This file is part the FLAC project. 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you can redistribute it and/or +# modify it under the terms of the GNU General Public License +# as published by the Free Software Foundation; either version 2 +# of the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 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you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include <errno.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include "FLAC/assert.h" +#include "FLAC/metadata.h" +#include "share/grabbag.h" + +static int do_cuesheet(const char *infilename, uint32_t sample_rate, FLAC__bool is_cdda, FLAC__uint64 lead_out_offset) +{ + FILE *fin, *fout; + const char *error_message, *tmpfilenamebase; + char tmpfilename[4096]; + uint32_t last_line_read; + FLAC__StreamMetadata *cuesheet; + + FLAC__ASSERT(strlen(infilename) + 2 < sizeof(tmpfilename)); + + /* + * pass 1 + */ + if(0 == strcmp(infilename, "-")) { + fin = stdin; + } + else if(0 == (fin = flac_fopen(infilename, "r"))) { + fprintf(stderr, "can't open file %s for reading: %s\n", infilename, strerror(errno)); + return 255; + } + if(0 != (cuesheet = grabbag__cuesheet_parse(fin, &error_message, &last_line_read, sample_rate, is_cdda, lead_out_offset))) { + if(fin != stdin) + fclose(fin); + } + else { + printf("pass1: parse error, line %u: \"%s\"\n", last_line_read, error_message); + if(fin != stdin) + fclose(fin); + return 1; + } + if(!FLAC__metadata_object_cuesheet_is_legal(cuesheet, is_cdda, &error_message)) { + printf("pass1: illegal cuesheet: \"%s\"\n", error_message); + FLAC__metadata_object_delete(cuesheet); + return 1; + } + + tmpfilenamebase = strstr(infilename, "cuesheets/"); + tmpfilenamebase = tmpfilenamebase == NULL ? infilename : tmpfilenamebase; + + flac_snprintf(tmpfilename, sizeof (tmpfilename), "%s.1", tmpfilenamebase); + if(0 == (fout = flac_fopen(tmpfilename, "w"))) { + fprintf(stderr, "can't open file %s for writing: %s\n", tmpfilename, strerror(errno)); + FLAC__metadata_object_delete(cuesheet); + return 255; + } + grabbag__cuesheet_emit(fout, cuesheet, "\"dummy.wav\" WAVE"); + FLAC__metadata_object_delete(cuesheet); + fclose(fout); + + /* + * pass 2 + */ + if(0 == (fin = flac_fopen(tmpfilename, "r"))) { + fprintf(stderr, "can't open file %s for reading: %s\n", tmpfilename, strerror(errno)); + return 255; + } + if(0 != (cuesheet = grabbag__cuesheet_parse(fin, &error_message, &last_line_read, sample_rate, is_cdda, lead_out_offset))) { + if(fin != stdin) + fclose(fin); + } + else { + printf("pass2: parse error, line %u: \"%s\"\n", last_line_read, error_message); + if(fin != stdin) + fclose(fin); + return 1; + } + if(!FLAC__metadata_object_cuesheet_is_legal(cuesheet, is_cdda, &error_message)) { + printf("pass2: illegal cuesheet: \"%s\"\n", error_message); + FLAC__metadata_object_delete(cuesheet); + return 1; + } + flac_snprintf(tmpfilename, sizeof (tmpfilename), "%s.2", tmpfilenamebase); + if(0 == (fout = flac_fopen(tmpfilename, "w"))) { + fprintf(stderr, "can't open file %s for writing: %s\n", tmpfilename, strerror(errno)); + FLAC__metadata_object_delete(cuesheet); + return 255; + } + grabbag__cuesheet_emit(fout, cuesheet, "\"dummy.wav\" WAVE"); + FLAC__metadata_object_delete(cuesheet); + fclose(fout); + + return 0; +} + +int main(int argc, char *argv[]) +{ + FLAC__uint64 lead_out_offset; + uint32_t sample_rate = 48000; + FLAC__bool is_cdda = false; + const char *usage = "usage: test_cuesheet cuesheet_file lead_out_offset [ [ sample_rate ] cdda ]\n"; + + if(argc > 1 && 0 == strcmp(argv[1], "-h")) { + puts(usage); + return 0; + } + + if(argc < 3 || argc > 5) { + fputs(usage, stderr); + return 255; + } + + lead_out_offset = (FLAC__uint64)strtoul(argv[2], 0, 10); + if(argc >= 4) { + sample_rate = (uint32_t)atoi(argv[3]); + if(argc >= 5) { + if(0 == strcmp(argv[4], "cdda")) + is_cdda = true; + else { + fputs(usage, stderr); + return 255; + } + } + } + + return do_cuesheet(argv[1], sample_rate, is_cdda, lead_out_offset); +} diff --git a/src/test_grabbag/picture/CMakeLists.txt b/src/test_grabbag/picture/CMakeLists.txt new file mode 100644 index 0000000..77f1a38 --- /dev/null +++ b/src/test_grabbag/picture/CMakeLists.txt @@ -0,0 +1,5 @@ +add_executable(test_picture + main.c + $<$<BOOL:${WIN32}>:../../../include/share/win_utf8_io.h> + $<$<BOOL:${WIN32}>:../../share/win_utf8_io/win_utf8_io.c>) +target_link_libraries(test_picture FLAC grabbag) diff --git a/src/test_grabbag/picture/Makefile.am b/src/test_grabbag/picture/Makefile.am new file mode 100644 index 0000000..45e1457 --- /dev/null +++ b/src/test_grabbag/picture/Makefile.am @@ -0,0 +1,37 @@ +# test_picture - Simple tester for picture routines in grabbag +# Copyright (C) 2006-2009 Josh Coalson +# Copyright (C) 2011-2023 Xiph.Org Foundation +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License +# as published by the Free Software Foundation; either version 2 +# of the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License along +# with this program; if not, write to the Free Software Foundation, Inc., +# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + +EXTRA_DIST = \ + CMakeLists.txt + +AM_CPPFLAGS = -I$(top_builddir) -I$(srcdir)/include -I$(top_srcdir)/include +check_PROGRAMS = test_picture +test_picture_SOURCES = \ + main.c + +if OS_IS_WINDOWS +win_utf8_lib = $(top_builddir)/src/share/win_utf8_io/libwin_utf8_io.la +endif + +test_picture_LDADD = \ + $(top_builddir)/src/share/grabbag/libgrabbag.la \ + $(top_builddir)/src/share/replaygain_analysis/libreplaygain_analysis.la \ + $(top_builddir)/src/libFLAC/libFLAC.la \ + $(win_utf8_lib) + +CLEANFILES = test_picture.exe diff --git a/src/test_grabbag/picture/Makefile.in b/src/test_grabbag/picture/Makefile.in new file mode 100644 index 0000000..43f1a7a --- /dev/null +++ b/src/test_grabbag/picture/Makefile.in @@ -0,0 +1,669 @@ +# Makefile.in generated by automake 1.16.5 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2021 Free Software Foundation, Inc. + +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. + +@SET_MAKE@ + +# test_picture - Simple tester for picture routines in grabbag +# Copyright (C) 2006-2009 Josh Coalson +# Copyright (C) 2011-2023 Xiph.Org Foundation +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License +# as published by the Free Software Foundation; either version 2 +# of the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 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you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include <string.h> +#include "FLAC/assert.h" +#include "share/grabbag.h" + +typedef struct { + const char *path; + const char *mime_type; + const char *description; + FLAC__uint32 width; + FLAC__uint32 height; + FLAC__uint32 depth; + FLAC__uint32 colors; + FLAC__StreamMetadata_Picture_Type type; +} PictureFile; + +PictureFile picturefiles[] = { + { "0.gif", "image/gif" , "", 24, 24, 24, 2, FLAC__STREAM_METADATA_PICTURE_TYPE_FRONT_COVER }, + { "1.gif", "image/gif" , "", 12, 8, 24, 256, FLAC__STREAM_METADATA_PICTURE_TYPE_BACK_COVER }, + { "2.gif", "image/gif" , "", 16, 14, 24, 128, FLAC__STREAM_METADATA_PICTURE_TYPE_OTHER }, + { "0.jpg", "image/jpeg", "", 30, 20, 8, 0, FLAC__STREAM_METADATA_PICTURE_TYPE_FRONT_COVER }, + { "4.jpg", "image/jpeg", "", 31, 47, 24, 0, FLAC__STREAM_METADATA_PICTURE_TYPE_FRONT_COVER }, + { "0.png", "image/png" , "", 30, 20, 8, 0, FLAC__STREAM_METADATA_PICTURE_TYPE_FRONT_COVER }, + { "1.png", "image/png" , "", 30, 20, 8, 0, FLAC__STREAM_METADATA_PICTURE_TYPE_FRONT_COVER }, + { "2.png", "image/png" , "", 30, 20, 24, 7, FLAC__STREAM_METADATA_PICTURE_TYPE_FRONT_COVER }, + { "3.png", "image/png" , "", 30, 20, 24, 7, FLAC__STREAM_METADATA_PICTURE_TYPE_FRONT_COVER }, + { "4.png", "image/png" , "", 31, 47, 24, 0, FLAC__STREAM_METADATA_PICTURE_TYPE_FRONT_COVER }, + { "5.png", "image/png" , "", 31, 47, 24, 0, FLAC__STREAM_METADATA_PICTURE_TYPE_FRONT_COVER }, + { "6.png", "image/png" , "", 31, 47, 24, 23, FLAC__STREAM_METADATA_PICTURE_TYPE_FRONT_COVER }, + { "7.png", "image/png" , "", 31, 47, 24, 23, FLAC__STREAM_METADATA_PICTURE_TYPE_FRONT_COVER }, + { "8.png", "image/png" , "", 32, 32, 32, 0, 999 } +}; + +static FLAC__bool debug_ = false; + +static FLAC__bool failed_(const char *msg) +{ + if(msg) + printf("FAILED, %s\n", msg); + else + printf("FAILED\n"); + + return false; +} + +static FLAC__bool test_one_picture(const char *prefix, const PictureFile *pf, const PictureResolution * res, FLAC__bool fn_only) +{ + FLAC__StreamMetadata *obj; + const char *error; + char s[4096]; + if(fn_only) + flac_snprintf(s, sizeof(s), "pictures/%s", pf->path); + else if (res == NULL) + flac_snprintf(s, sizeof(s), "%u|%s|%s||pictures/%s", (uint32_t)pf->type, pf->mime_type, pf->description, pf->path); + else + flac_snprintf(s, sizeof(s), "%u|%s|%s|%dx%dx%d/%d|pictures/%s", (uint32_t)pf->type, pf->mime_type, pf->description, res->width, res->height, res->depth, res->colors, pf->path); + + printf("testing grabbag__picture_parse_specification(\"%s\")... ", s); + + flac_snprintf(s, sizeof(s), "%s/%s", prefix, pf->path); + if((obj = grabbag__picture_from_specification(fn_only? FLAC__STREAM_METADATA_PICTURE_TYPE_FRONT_COVER : pf->type, pf->mime_type, pf->description, res, s, &error)) == 0) + return failed_(error); + if(debug_) { + printf("\ntype=%u (%s)\nmime_type=%s\ndescription=%s\nwidth=%u\nheight=%u\ndepth=%u\ncolors=%u\ndata_length=%u\n", + obj->data.picture.type, + obj->data.picture.type < FLAC__STREAM_METADATA_PICTURE_TYPE_UNDEFINED? + FLAC__StreamMetadata_Picture_TypeString[obj->data.picture.type] : "UNDEFINED", + obj->data.picture.mime_type, + obj->data.picture.description, + obj->data.picture.width, + obj->data.picture.height, + obj->data.picture.depth, + obj->data.picture.colors, + obj->data.picture.data_length + ); + } + if(obj->data.picture.type != (fn_only? FLAC__STREAM_METADATA_PICTURE_TYPE_FRONT_COVER : pf->type)) + return failed_("picture type mismatch"); + if(strcmp(obj->data.picture.mime_type, pf->mime_type)) + return failed_("picture MIME type mismatch"); + if(strcmp((const char *)obj->data.picture.description, (const char *)pf->description)) + return failed_("picture description mismatch"); + if(obj->data.picture.width != pf->width) + return failed_("picture width mismatch"); + if(obj->data.picture.height != pf->height) + return failed_("picture height mismatch"); + if(obj->data.picture.depth != pf->depth) + return failed_("picture depth mismatch"); + if(obj->data.picture.colors != pf->colors) + return failed_("picture colors mismatch"); + printf("OK\n"); + FLAC__metadata_object_delete(obj); + return true; +} + +static FLAC__bool do_picture(const char *prefix) +{ + FLAC__StreamMetadata *obj; + PictureResolution res; + const char *error; + size_t i; + + printf("\n+++ grabbag unit test: picture\n\n"); + + /* invalid spec: no filename */ + printf("testing grabbag__picture_parse_specification(\"\")... "); + if(0 != (obj = grabbag__picture_parse_specification("", &error))) + return failed_("expected error, got object"); + printf("OK (failed as expected, error: %s)\n", error); + + /* invalid spec: no filename */ + printf("testing grabbag__picture_parse_specification(\"||||\")... "); + if(0 != (obj = grabbag__picture_parse_specification("||||", &error))) + return failed_("expected error, got object"); + printf("OK (failed as expected: %s)\n", error); + + /* invalid spec: no filename */ + printf("testing grabbag__picture_parse_specification(\"|image/gif|||\")... "); + if(0 != (obj = grabbag__picture_parse_specification("|image/gif|||", &error))) + return failed_("expected error, got object"); + printf("OK (failed as expected: %s)\n", error); + + /* invalid spec: bad resolution */ + printf("testing grabbag__picture_parse_specification(\"|image/gif|desc|320|0.gif\")... "); + if(0 != (obj = grabbag__picture_parse_specification("|image/gif|desc|320|0.gif", &error))) + return failed_("expected error, got object"); + printf("OK (failed as expected: %s)\n", error); + + /* invalid spec: bad resolution */ + printf("testing grabbag__picture_parse_specification(\"|image/gif|desc|320x240|0.gif\")... "); + if(0 != (obj = grabbag__picture_parse_specification("|image/gif|desc|320x240|0.gif", &error))) + return failed_("expected error, got object"); + printf("OK (failed as expected: %s)\n", error); + + /* invalid spec: no filename */ + printf("testing grabbag__picture_parse_specification(\"|image/gif|desc|320x240x9|\")... "); + if(0 != (obj = grabbag__picture_parse_specification("|image/gif|desc|320x240x9|", &error))) + return failed_("expected error, got object"); + printf("OK (failed as expected: %s)\n", error); + + /* invalid spec: #colors exceeds color depth */ + printf("testing grabbag__picture_parse_specification(\"|image/gif|desc|320x240x9/2345|0.gif\")... "); + if(0 != (obj = grabbag__picture_parse_specification("|image/gif|desc|320x240x9/2345|0.gif", &error))) + return failed_("expected error, got object"); + printf("OK (failed as expected: %s)\n", error); + + /* invalid spec: standard icon has to be 32x32 PNG */ + printf("testing grabbag__picture_parse_specification(\"1|-->|desc|32x24x9|0.gif\")... "); + if(0 != (obj = grabbag__picture_parse_specification("1|-->|desc|32x24x9|0.gif", &error))) + return failed_("expected error, got object"); + printf("OK (failed as expected: %s)\n", error); + + /* invalid spec: need resolution for linked URL */ + printf("testing grabbag__picture_parse_specification(\"|-->|desc||http://blah.blah.blah/z.gif\")... "); + if(0 != (obj = grabbag__picture_parse_specification("|-->|desc||http://blah.blah.blah/z.gif", &error))) + return failed_("expected error, got object"); + printf("OK (failed as expected: %s)\n", error); + + printf("testing grabbag__picture_parse_specification(\"|-->|desc|320x240x9|http://blah.blah.blah/z.gif\")... "); + if(0 == (obj = grabbag__picture_parse_specification("|-->|desc|320x240x9|http://blah.blah.blah/z.gif", &error))) + return failed_(error); + printf("OK\n"); + FLAC__metadata_object_delete(obj); + + /* test automatic parsing of picture files from only the file name */ + for(i = 0; i < sizeof(picturefiles)/sizeof(picturefiles[0]); i++) + if(!test_one_picture(prefix, picturefiles+i, NULL, /*fn_only=*/true)) + return false; + + /* test automatic parsing of picture files to get resolution/color info */ + for(i = 0; i < sizeof(picturefiles)/sizeof(picturefiles[0]); i++) + if(!test_one_picture(prefix, picturefiles+i, NULL, /*fn_only=*/false)) + return false; + + res.width = picturefiles[0].width = 320; + res.height = picturefiles[0].height = 240; + res.depth = picturefiles[0].depth = 3; + res.colors = picturefiles[0].colors = 2; + if(!test_one_picture(prefix, picturefiles+0, &res, /*fn_only=*/false)) + return false; + + return true; +} + +int main(int argc, char *argv[]) +{ + const char *usage = "usage: test_pictures path_prefix\n"; + + if(argc > 1 && 0 == strcmp(argv[1], "-h")) { + puts(usage); + return 0; + } + + if(argc != 2) { + fputs(usage, stderr); + return 255; + } + + return do_picture(argv[1])? 0 : 1; +} diff --git a/src/test_libFLAC++/CMakeLists.txt b/src/test_libFLAC++/CMakeLists.txt new file mode 100644 index 0000000..2fa7b1e --- /dev/null +++ b/src/test_libFLAC++/CMakeLists.txt @@ -0,0 +1,10 @@ +add_executable(test_libFLAC++ + decoders.cpp + encoders.cpp + main.cpp + metadata.cpp + metadata_manip.cpp + metadata_object.cpp + $<$<BOOL:${WIN32}>:../../include/share/win_utf8_io.h> + $<$<BOOL:${WIN32}>:../share/win_utf8_io/win_utf8_io.c>) +target_link_libraries(test_libFLAC++ FLAC++ test_libs_common grabbag) diff --git a/src/test_libFLAC++/Makefile.am b/src/test_libFLAC++/Makefile.am new file mode 100644 index 0000000..8bf746f --- /dev/null +++ b/src/test_libFLAC++/Makefile.am @@ -0,0 +1,50 @@ +# test_libFLAC++ - Unit tester for libFLAC++ +# Copyright (C) 2002-2009 Josh Coalson +# Copyright (C) 2011-2023 Xiph.Org Foundation +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License +# as published by the Free Software Foundation; either version 2 +# of the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License along +# with this program; if not, write to the Free Software Foundation, Inc., +# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + +EXTRA_DIST = \ + CMakeLists.txt + +AM_CPPFLAGS = -I$(top_builddir) -I$(srcdir)/include -I$(top_srcdir)/include +check_PROGRAMS = test_libFLAC++ + +if OS_IS_WINDOWS +win_utf8_lib = $(top_builddir)/src/share/win_utf8_io/libwin_utf8_io.la +endif + +test_libFLAC___LDADD = \ + $(top_builddir)/src/share/grabbag/libgrabbag.la \ + $(top_builddir)/src/share/replaygain_analysis/libreplaygain_analysis.la \ + $(top_builddir)/src/test_libs_common/libtest_libs_common.la \ + $(top_builddir)/src/libFLAC++/libFLAC++.la \ + $(top_builddir)/src/libFLAC/libFLAC.la \ + $(win_utf8_lib) \ + @OGG_LIBS@ \ + -lm + +test_libFLAC___SOURCES = \ + decoders.cpp \ + encoders.cpp \ + main.cpp \ + metadata.cpp \ + metadata_manip.cpp \ + metadata_object.cpp \ + decoders.h \ + encoders.h \ + metadata.h + +CLEANFILES = test_libFLAC++.exe diff --git a/src/test_libFLAC++/Makefile.in b/src/test_libFLAC++/Makefile.in new file mode 100644 index 0000000..825dad6 --- /dev/null +++ b/src/test_libFLAC++/Makefile.in @@ -0,0 +1,720 @@ +# Makefile.in generated by automake 1.16.5 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2021 Free Software Foundation, Inc. + +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. + +@SET_MAKE@ + +# test_libFLAC++ - Unit tester for libFLAC++ +# Copyright (C) 2002-2009 Josh Coalson +# Copyright (C) 2011-2023 Xiph.Org Foundation +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License +# as published by the Free Software Foundation; either version 2 +# of the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License along +# with this program; if not, write to the Free Software Foundation, Inc., +# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +VPATH = @srcdir@ +am__is_gnu_make = { \ + if test -z '$(MAKELEVEL)'; then \ + false; \ + elif test -n '$(MAKE_HOST)'; then \ + true; \ + elif test -n '$(MAKE_VERSION)' && test -n '$(CURDIR)'; then \ + true; \ + else \ + false; \ + fi; \ +} +am__make_running_with_option = \ + case $${target_option-} in \ + ?) ;; \ + *) echo "am__make_running_with_option: internal error: invalid" \ + "target option '$${target_option-}' specified" >&2; \ + exit 1;; \ + esac; \ + has_opt=no; \ + sane_makeflags=$$MAKEFLAGS; \ + if $(am__is_gnu_make); then \ + sane_makeflags=$$MFLAGS; \ + else \ + case $$MAKEFLAGS in \ + *\\[\ \ ]*) \ + bs=\\; \ + sane_makeflags=`printf '%s\n' "$$MAKEFLAGS" \ + | sed "s/$$bs$$bs[$$bs $$bs ]*//g"`;; \ + esac; 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installcheck-am installdirs maintainer-clean \ + maintainer-clean-generic mostlyclean mostlyclean-compile \ + mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \ + tags tags-am uninstall uninstall-am + +.PRECIOUS: Makefile + + +# Tell versions [3.59,3.63) of GNU make to not export all variables. +# Otherwise a system limit (for SysV at least) may be exceeded. +.NOEXPORT: diff --git a/src/test_libFLAC++/decoders.cpp b/src/test_libFLAC++/decoders.cpp new file mode 100644 index 0000000..9f375f3 --- /dev/null +++ b/src/test_libFLAC++/decoders.cpp @@ -0,0 +1,1179 @@ +/* test_libFLAC++ - Unit tester for libFLAC++ + * Copyright (C) 2002-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include <errno.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include "decoders.h" +#include "FLAC/assert.h" +#include "FLAC/metadata.h" // for ::FLAC__metadata_object_is_equal() +#include "FLAC++/decoder.h" +#include "share/grabbag.h" +#include "share/compat.h" +extern "C" { +#include "test_libs_common/file_utils_flac.h" +#include "test_libs_common/metadata_utils.h" +} + +#ifdef _MSC_VER +// warning C4800: 'int' : forcing to bool 'true' or 'false' (performance warning) +#pragma warning ( disable : 4800 ) +#endif + +typedef enum { + LAYER_STREAM = 0, /* FLAC__stream_decoder_init_stream() without seeking */ + LAYER_SEEKABLE_STREAM, /* FLAC__stream_decoder_init_stream() with seeking */ + LAYER_FILE, /* FLAC__stream_decoder_init_FILE() */ + LAYER_FILENAME /* FLAC__stream_decoder_init_file() */ +} Layer; + +static const char * const LayerString[] = { + "Stream", + "Seekable Stream", + "FILE*", + "Filename" +}; + +static ::FLAC__StreamMetadata streaminfo_, padding_, seektable_, application1_, application2_, vorbiscomment_, cuesheet_, picture_, unknown_; +static ::FLAC__StreamMetadata *expected_metadata_sequence_[9]; +static uint32_t num_expected_; +static FLAC__off_t flacfilesize_; + +static const char *flacfilename(bool is_ogg) +{ + return is_ogg? "metadata.oga" : "metadata.flac"; +} + +static bool die_(const char *msg) +{ + printf("ERROR: %s\n", msg); + return false; +} + +static FLAC__bool die_s_(const char *msg, const FLAC::Decoder::Stream *decoder) +{ + FLAC::Decoder::Stream::State state = decoder->get_state(); + + if(msg) + printf("FAILED, %s", msg); + else + printf("FAILED"); + + printf(", state = %u (%s)\n", (uint32_t)((::FLAC__StreamDecoderState)state), state.as_cstring()); + + return false; +} + +static void init_metadata_blocks_() +{ + mutils__init_metadata_blocks(&streaminfo_, &padding_, &seektable_, &application1_, &application2_, &vorbiscomment_, &cuesheet_, &picture_, &unknown_); +} + +static void free_metadata_blocks_() +{ + mutils__free_metadata_blocks(&streaminfo_, &padding_, &seektable_, &application1_, &application2_, &vorbiscomment_, &cuesheet_, &picture_, &unknown_); +} + +static bool generate_file_(FLAC__bool is_ogg) +{ + printf("\n\ngenerating %sFLAC file for decoder tests...\n", is_ogg? "Ogg ":""); + + num_expected_ = 0; + expected_metadata_sequence_[num_expected_++] = &padding_; + expected_metadata_sequence_[num_expected_++] = &seektable_; + expected_metadata_sequence_[num_expected_++] = &application1_; + expected_metadata_sequence_[num_expected_++] = &application2_; + expected_metadata_sequence_[num_expected_++] = &vorbiscomment_; + expected_metadata_sequence_[num_expected_++] = &cuesheet_; + expected_metadata_sequence_[num_expected_++] = &picture_; + expected_metadata_sequence_[num_expected_++] = &unknown_; + /* WATCHOUT: for Ogg FLAC the encoder should move the VORBIS_COMMENT block to the front, right after STREAMINFO */ + + if(!file_utils__generate_flacfile(is_ogg, flacfilename(is_ogg), &flacfilesize_, 512 * 1024, &streaminfo_, expected_metadata_sequence_, num_expected_)) + return die_("creating the encoded file"); + + return true; +} + + +class DecoderCommon { +public: + Layer layer_; + uint32_t current_metadata_number_; + bool ignore_errors_; + bool error_occurred_; + + DecoderCommon(Layer layer): layer_(layer), current_metadata_number_(0), ignore_errors_(false), error_occurred_(false) { } + virtual ~DecoderCommon(void) { } + ::FLAC__StreamDecoderWriteStatus common_write_callback_(const ::FLAC__Frame *frame); + void common_metadata_callback_(const ::FLAC__StreamMetadata *metadata); + void common_error_callback_(::FLAC__StreamDecoderErrorStatus status); +}; + +::FLAC__StreamDecoderWriteStatus DecoderCommon::common_write_callback_(const ::FLAC__Frame *frame) +{ + if(error_occurred_) + return ::FLAC__STREAM_DECODER_WRITE_STATUS_ABORT; + + if( + (frame->header.number_type == ::FLAC__FRAME_NUMBER_TYPE_FRAME_NUMBER && frame->header.number.frame_number == 0) || + (frame->header.number_type == ::FLAC__FRAME_NUMBER_TYPE_SAMPLE_NUMBER && frame->header.number.sample_number == 0) + ) { + printf("content... "); + fflush(stdout); + } + + return ::FLAC__STREAM_DECODER_WRITE_STATUS_CONTINUE; +} + +void DecoderCommon::common_metadata_callback_(const ::FLAC__StreamMetadata *metadata) +{ + if(error_occurred_) + return; + + printf("%u... ", current_metadata_number_); + fflush(stdout); + + if(current_metadata_number_ >= num_expected_) { + (void)die_("got more metadata blocks than expected"); + error_occurred_ = true; + } + else { + if(!::FLAC__metadata_object_is_equal(expected_metadata_sequence_[current_metadata_number_], metadata)) { + (void)die_("metadata block mismatch"); + error_occurred_ = true; + } + } + current_metadata_number_++; +} + +void DecoderCommon::common_error_callback_(::FLAC__StreamDecoderErrorStatus status) +{ + if(!ignore_errors_) { + printf("ERROR: got error callback: err = %u (%s)\n", (uint32_t)status, ::FLAC__StreamDecoderErrorStatusString[status]); + error_occurred_ = true; + } +} + +class StreamDecoder : public FLAC::Decoder::Stream, public DecoderCommon { +public: + FILE *file_; + + StreamDecoder(Layer layer): FLAC::Decoder::Stream(), DecoderCommon(layer), file_(0) { } + ~StreamDecoder() { } + + // from FLAC::Decoder::Stream + ::FLAC__StreamDecoderReadStatus read_callback(FLAC__byte buffer[], size_t *bytes); + ::FLAC__StreamDecoderSeekStatus seek_callback(FLAC__uint64 absolute_byte_offset); + ::FLAC__StreamDecoderTellStatus tell_callback(FLAC__uint64 *absolute_byte_offset); + ::FLAC__StreamDecoderLengthStatus length_callback(FLAC__uint64 *stream_length); + bool eof_callback(); + ::FLAC__StreamDecoderWriteStatus write_callback(const ::FLAC__Frame *frame, const FLAC__int32 * const buffer[]); + void metadata_callback(const ::FLAC__StreamMetadata *metadata); + void error_callback(::FLAC__StreamDecoderErrorStatus status); + + bool test_respond(bool is_ogg); +private: + StreamDecoder(const StreamDecoder&); + StreamDecoder&operator=(const StreamDecoder&); +}; + +::FLAC__StreamDecoderReadStatus StreamDecoder::read_callback(FLAC__byte buffer[], size_t *bytes) +{ + const size_t requested_bytes = *bytes; + + if(error_occurred_) + return ::FLAC__STREAM_DECODER_READ_STATUS_ABORT; + + if(feof(file_)) { + *bytes = 0; + return ::FLAC__STREAM_DECODER_READ_STATUS_END_OF_STREAM; + } + else if(requested_bytes > 0) { + *bytes = ::fread(buffer, 1, requested_bytes, file_); + if(*bytes == 0) { + if(feof(file_)) + return ::FLAC__STREAM_DECODER_READ_STATUS_END_OF_STREAM; + else + return ::FLAC__STREAM_DECODER_READ_STATUS_CONTINUE; + } + else { + return ::FLAC__STREAM_DECODER_READ_STATUS_CONTINUE; + } + } + else + return ::FLAC__STREAM_DECODER_READ_STATUS_ABORT; /* abort to avoid a deadlock */ +} + +::FLAC__StreamDecoderSeekStatus StreamDecoder::seek_callback(FLAC__uint64 absolute_byte_offset) +{ + if(layer_ == LAYER_STREAM) + return ::FLAC__STREAM_DECODER_SEEK_STATUS_UNSUPPORTED; + + if(error_occurred_) + return ::FLAC__STREAM_DECODER_SEEK_STATUS_ERROR; + + if(fseeko(file_, (FLAC__off_t)absolute_byte_offset, SEEK_SET) < 0) { + error_occurred_ = true; + return ::FLAC__STREAM_DECODER_SEEK_STATUS_ERROR; + } + + return ::FLAC__STREAM_DECODER_SEEK_STATUS_OK; +} + +::FLAC__StreamDecoderTellStatus StreamDecoder::tell_callback(FLAC__uint64 *absolute_byte_offset) +{ + if(layer_ == LAYER_STREAM) + return ::FLAC__STREAM_DECODER_TELL_STATUS_UNSUPPORTED; + + if(error_occurred_) + return ::FLAC__STREAM_DECODER_TELL_STATUS_ERROR; + + FLAC__off_t offset = ftello(file_); + *absolute_byte_offset = (FLAC__uint64)offset; + + if(offset < 0) { + error_occurred_ = true; + return ::FLAC__STREAM_DECODER_TELL_STATUS_ERROR; + } + + return ::FLAC__STREAM_DECODER_TELL_STATUS_OK; +} + +::FLAC__StreamDecoderLengthStatus StreamDecoder::length_callback(FLAC__uint64 *stream_length) +{ + if(layer_ == LAYER_STREAM) + return ::FLAC__STREAM_DECODER_LENGTH_STATUS_UNSUPPORTED; + + if(error_occurred_) + return ::FLAC__STREAM_DECODER_LENGTH_STATUS_ERROR; + + *stream_length = (FLAC__uint64)flacfilesize_; + return ::FLAC__STREAM_DECODER_LENGTH_STATUS_OK; +} + +bool StreamDecoder::eof_callback() +{ + if(layer_ == LAYER_STREAM) + return false; + + if(error_occurred_) + return true; + + return (bool)feof(file_); +} + +::FLAC__StreamDecoderWriteStatus StreamDecoder::write_callback(const ::FLAC__Frame *frame, const FLAC__int32 * const buffer[]) +{ + (void)buffer; + + return common_write_callback_(frame); +} + +void StreamDecoder::metadata_callback(const ::FLAC__StreamMetadata *metadata) +{ + common_metadata_callback_(metadata); +} + +void StreamDecoder::error_callback(::FLAC__StreamDecoderErrorStatus status) +{ + common_error_callback_(status); +} + +bool StreamDecoder::test_respond(bool is_ogg) +{ + ::FLAC__StreamDecoderInitStatus init_status; + + if(!set_md5_checking(true)) { + printf("FAILED at set_md5_checking(), returned false\n"); + return false; + } + + printf("testing init%s()... ", is_ogg? "_ogg":""); + init_status = is_ogg? init_ogg() : init(); + if(init_status != ::FLAC__STREAM_DECODER_INIT_STATUS_OK) + return die_s_(0, this); + printf("OK\n"); + + current_metadata_number_ = 0; + + if(fseeko(file_, 0, SEEK_SET) < 0) { + printf("FAILED rewinding input, errno = %d\n", errno); + return false; + } + + printf("testing process_until_end_of_stream()... "); + if(!process_until_end_of_stream()) { + State state = get_state(); + printf("FAILED, returned false, state = %u (%s)\n", (uint32_t)((::FLAC__StreamDecoderState)state), state.as_cstring()); + return false; + } + printf("OK\n"); + + printf("testing finish()... "); + if(!finish()) { + State state = get_state(); + printf("FAILED, returned false, state = %u (%s)\n", (uint32_t)((::FLAC__StreamDecoderState)state), state.as_cstring()); + return false; + } + printf("OK\n"); + + return true; +} + +class FileDecoder : public FLAC::Decoder::File, public DecoderCommon { +public: + FileDecoder(Layer layer): FLAC::Decoder::File(), DecoderCommon(layer) { } + ~FileDecoder() { } + + // from FLAC::Decoder::Stream + ::FLAC__StreamDecoderWriteStatus write_callback(const ::FLAC__Frame *frame, const FLAC__int32 * const buffer[]); + void metadata_callback(const ::FLAC__StreamMetadata *metadata); + void error_callback(::FLAC__StreamDecoderErrorStatus status); + + bool test_respond(bool is_ogg); +}; + +::FLAC__StreamDecoderWriteStatus FileDecoder::write_callback(const ::FLAC__Frame *frame, const FLAC__int32 * const buffer[]) +{ + (void)buffer; + return common_write_callback_(frame); +} + +void FileDecoder::metadata_callback(const ::FLAC__StreamMetadata *metadata) +{ + common_metadata_callback_(metadata); +} + +void FileDecoder::error_callback(::FLAC__StreamDecoderErrorStatus status) +{ + common_error_callback_(status); +} + +bool FileDecoder::test_respond(bool is_ogg) +{ + ::FLAC__StreamDecoderInitStatus init_status; + + if(!set_md5_checking(true)) { + printf("FAILED at set_md5_checking(), returned false\n"); + return false; + } + + switch(layer_) { + case LAYER_FILE: + { + printf("opening %sFLAC file... ", is_ogg? "Ogg ":""); + FILE *file = ::flac_fopen(flacfilename(is_ogg), "rb"); + if(0 == file) { + printf("ERROR (%s)\n", strerror(errno)); + return false; + } + printf("OK\n"); + + printf("testing init%s()... ", is_ogg? "_ogg":""); + init_status = is_ogg? init_ogg(file) : init(file); + } + break; + case LAYER_FILENAME: + printf("testing init%s()... ", is_ogg? "_ogg":""); + init_status = is_ogg? init_ogg(flacfilename(is_ogg)) : init(flacfilename(is_ogg)); + break; + default: + die_("internal error 001"); + return false; + } + if(init_status != ::FLAC__STREAM_DECODER_INIT_STATUS_OK) + return die_s_(0, this); + printf("OK\n"); + + current_metadata_number_ = 0; + + printf("testing process_until_end_of_stream()... "); + if(!process_until_end_of_stream()) { + State state = get_state(); + printf("FAILED, returned false, state = %u (%s)\n", (uint32_t)((::FLAC__StreamDecoderState)state), state.as_cstring()); + return false; + } + printf("OK\n"); + + printf("testing finish()... "); + if(!finish()) { + State state = get_state(); + printf("FAILED, returned false, state = %u (%s)\n", (uint32_t)((::FLAC__StreamDecoderState)state), state.as_cstring()); + return false; + } + printf("OK\n"); + + return true; +} + + +static FLAC::Decoder::Stream *new_by_layer(Layer layer) +{ + if(layer < LAYER_FILE) + return new StreamDecoder(layer); + else + return new FileDecoder(layer); +} + +static bool test_stream_decoder(Layer layer, bool is_ogg) +{ + FLAC::Decoder::Stream *decoder; + ::FLAC__StreamDecoderInitStatus init_status; + bool expect; + + printf("\n+++ libFLAC++ unit test: FLAC::Decoder::%s (layer: %s, format: %s)\n\n", layer<LAYER_FILE? "Stream":"File", LayerString[layer], is_ogg? "Ogg FLAC" : "FLAC"); + + // + // test new -> delete + // + printf("allocating decoder instance... "); + decoder = new_by_layer(layer); + if(0 == decoder) { + printf("FAILED, new returned NULL\n"); + return false; + } + printf("OK\n"); + + printf("testing is_valid()... "); + if(!decoder->is_valid()) { + printf("FAILED, returned false\n"); + delete decoder; + return false; + } + printf("OK\n"); + + printf("freeing decoder instance... "); + delete decoder; + printf("OK\n"); + + // + // test new -> init -> delete + // + printf("allocating decoder instance... "); + decoder = new_by_layer(layer); + if(0 == decoder) { + printf("FAILED, new returned NULL\n"); + return false; + } + printf("OK\n"); + + printf("testing is_valid()... "); + if(!decoder->is_valid()) { + printf("FAILED, returned false\n"); + delete decoder; + return false; + } + printf("OK\n"); + + printf("testing init%s()... ", is_ogg? "_ogg":""); + switch(layer) { + case LAYER_STREAM: + case LAYER_SEEKABLE_STREAM: + dynamic_cast<StreamDecoder*>(decoder)->file_ = stdin; + init_status = is_ogg? decoder->init_ogg() : decoder->init(); + break; + case LAYER_FILE: + init_status = is_ogg? + dynamic_cast<FLAC::Decoder::File*>(decoder)->init_ogg(stdin) : + dynamic_cast<FLAC::Decoder::File*>(decoder)->init(stdin); + break; + case LAYER_FILENAME: + init_status = is_ogg? + dynamic_cast<FLAC::Decoder::File*>(decoder)->init_ogg(flacfilename(is_ogg)) : + dynamic_cast<FLAC::Decoder::File*>(decoder)->init(flacfilename(is_ogg)); + break; + default: + die_("internal error 006"); + delete decoder; + return false; + } + if(init_status != ::FLAC__STREAM_DECODER_INIT_STATUS_OK) + return die_s_(0, decoder); + printf("OK\n"); + + printf("freeing decoder instance... "); + delete decoder; + printf("OK\n"); + + // + // test normal usage + // + num_expected_ = 0; + expected_metadata_sequence_[num_expected_++] = &streaminfo_; + + printf("allocating decoder instance... "); + decoder = new_by_layer(layer); + if(0 == decoder) { + printf("FAILED, new returned NULL\n"); + return false; + } + printf("OK\n"); + + printf("testing is_valid()... "); + if(!decoder->is_valid()) { + printf("FAILED, returned false\n"); + delete decoder; + return false; + } + printf("OK\n"); + + if(is_ogg) { + printf("testing set_ogg_serial_number()... "); + if(!decoder->set_ogg_serial_number(file_utils__ogg_serial_number)) + return die_s_("returned false", decoder); + printf("OK\n"); + } + + if(!decoder->set_md5_checking(true)) { + printf("FAILED at set_md5_checking(), returned false\n"); + return false; + } + + switch(layer) { + case LAYER_STREAM: + case LAYER_SEEKABLE_STREAM: + printf("opening %sFLAC file... ", is_ogg? "Ogg ":""); + dynamic_cast<StreamDecoder*>(decoder)->file_ = ::flac_fopen(flacfilename(is_ogg), "rb"); + if(0 == dynamic_cast<StreamDecoder*>(decoder)->file_) { + printf("ERROR (%s)\n", strerror(errno)); + return false; + } + printf("OK\n"); + + printf("testing init%s()... ", is_ogg? "_ogg":""); + init_status = is_ogg? decoder->init_ogg() : decoder->init(); + break; + case LAYER_FILE: + { + printf("opening FLAC file... "); + FILE *file = ::flac_fopen(flacfilename(is_ogg), "rb"); + if(0 == file) { + printf("ERROR (%s)\n", strerror(errno)); + return false; + } + printf("OK\n"); + + printf("testing init%s()... ", is_ogg? "_ogg":""); + init_status = is_ogg? + dynamic_cast<FLAC::Decoder::File*>(decoder)->init_ogg(file) : + dynamic_cast<FLAC::Decoder::File*>(decoder)->init(file); + } + break; + case LAYER_FILENAME: + printf("testing init%s()... ", is_ogg? "_ogg":""); + init_status = is_ogg? + dynamic_cast<FLAC::Decoder::File*>(decoder)->init_ogg(flacfilename(is_ogg)) : + dynamic_cast<FLAC::Decoder::File*>(decoder)->init(flacfilename(is_ogg)); + break; + default: + die_("internal error 009"); + return false; + } + if(init_status != ::FLAC__STREAM_DECODER_INIT_STATUS_OK) + return die_s_(0, decoder); + printf("OK\n"); + + printf("testing get_state()... "); + FLAC::Decoder::Stream::State state = decoder->get_state(); + printf("returned state = %u (%s)... OK\n", (uint32_t)((::FLAC__StreamDecoderState)state), state.as_cstring()); + + dynamic_cast<DecoderCommon*>(decoder)->current_metadata_number_ = 0; + dynamic_cast<DecoderCommon*>(decoder)->ignore_errors_ = false; + dynamic_cast<DecoderCommon*>(decoder)->error_occurred_ = false; + + printf("testing get_md5_checking()... "); + if(!decoder->get_md5_checking()) { + printf("FAILED, returned false, expected true\n"); + return false; + } + printf("OK\n"); + + printf("testing process_until_end_of_metadata()... "); + if(!decoder->process_until_end_of_metadata()) + return die_s_("returned false", decoder); + printf("OK\n"); + + printf("testing process_single()... "); + if(!decoder->process_single()) + return die_s_("returned false", decoder); + printf("OK\n"); + + printf("testing skip_single_frame()... "); + if(!decoder->skip_single_frame()) + return die_s_("returned false", decoder); + printf("OK\n"); + + if(layer < LAYER_FILE) { + printf("testing flush()... "); + if(!decoder->flush()) + return die_s_("returned false", decoder); + printf("OK\n"); + + dynamic_cast<DecoderCommon*>(decoder)->ignore_errors_ = true; + printf("testing process_single()... "); + if(!decoder->process_single()) + return die_s_("returned false", decoder); + printf("OK\n"); + dynamic_cast<DecoderCommon*>(decoder)->ignore_errors_ = false; + } + + expect = (layer != LAYER_STREAM); + printf("testing seek_absolute()... "); + if(decoder->seek_absolute(0) != expect) + return die_s_(expect? "returned false" : "returned true", decoder); + printf("OK\n"); + + printf("testing process_until_end_of_stream()... "); + if(!decoder->process_until_end_of_stream()) + return die_s_("returned false", decoder); + printf("OK\n"); + + expect = (layer != LAYER_STREAM); + printf("testing seek_absolute()... "); + if(decoder->seek_absolute(0) != expect) + return die_s_(expect? "returned false" : "returned true", decoder); + printf("OK\n"); + + printf("testing get_channels()... "); + { + uint32_t channels = decoder->get_channels(); + if(channels != streaminfo_.data.stream_info.channels) { + printf("FAILED, returned %u, expected %u\n", channels, streaminfo_.data.stream_info.channels); + return false; + } + } + printf("OK\n"); + + printf("testing get_bits_per_sample()... "); + { + uint32_t bits_per_sample = decoder->get_bits_per_sample(); + if(bits_per_sample != streaminfo_.data.stream_info.bits_per_sample) { + printf("FAILED, returned %u, expected %u\n", bits_per_sample, streaminfo_.data.stream_info.bits_per_sample); + return false; + } + } + printf("OK\n"); + + printf("testing get_sample_rate()... "); + { + uint32_t sample_rate = decoder->get_sample_rate(); + if(sample_rate != streaminfo_.data.stream_info.sample_rate) { + printf("FAILED, returned %u, expected %u\n", sample_rate, streaminfo_.data.stream_info.sample_rate); + return false; + } + } + printf("OK\n"); + + printf("testing get_blocksize()... "); + { + uint32_t blocksize = decoder->get_blocksize(); + /* value could be anything since we're at the last block, so accept any reasonable answer */ + printf("returned %u... %s\n", blocksize, blocksize>0? "OK" : "FAILED"); + if(blocksize == 0) + return false; + } + + printf("testing get_channel_assignment()... "); + { + ::FLAC__ChannelAssignment ca = decoder->get_channel_assignment(); + printf("returned %u (%s)... OK\n", (uint32_t)ca, ::FLAC__ChannelAssignmentString[ca]); + } + + if(layer < LAYER_FILE) { + printf("testing reset()... "); + if(!decoder->reset()) + return die_s_("returned false", decoder); + printf("OK\n"); + + if(layer == LAYER_STREAM) { + /* after a reset() we have to rewind the input ourselves */ + printf("rewinding input... "); + if(fseeko(dynamic_cast<StreamDecoder*>(decoder)->file_, 0, SEEK_SET) < 0) { + printf("FAILED, errno = %d\n", errno); + return false; + } + printf("OK\n"); + } + + dynamic_cast<DecoderCommon*>(decoder)->current_metadata_number_ = 0; + + printf("testing process_until_end_of_stream()... "); + if(!decoder->process_until_end_of_stream()) + return die_s_("returned false", decoder); + printf("OK\n"); + } + + printf("testing finish()... "); + if(!decoder->finish()) { + state = decoder->get_state(); + printf("FAILED, returned false, state = %u (%s)\n", (uint32_t)((::FLAC__StreamDecoderState)state), state.as_cstring()); + return false; + } + printf("OK\n"); + + /* + * respond all + */ + + printf("testing set_metadata_respond_all()... "); + if(!decoder->set_metadata_respond_all()) { + printf("FAILED, returned false\n"); + return false; + } + printf("OK\n"); + + num_expected_ = 0; + if(is_ogg) { /* encoder moves vorbis comment after streaminfo according to ogg mapping. Also removes the seektable */ + expected_metadata_sequence_[num_expected_++] = &streaminfo_; + expected_metadata_sequence_[num_expected_++] = &vorbiscomment_; + expected_metadata_sequence_[num_expected_++] = &padding_; + expected_metadata_sequence_[num_expected_++] = &application1_; + expected_metadata_sequence_[num_expected_++] = &application2_; + expected_metadata_sequence_[num_expected_++] = &cuesheet_; + expected_metadata_sequence_[num_expected_++] = &picture_; + expected_metadata_sequence_[num_expected_++] = &unknown_; + } + else { + expected_metadata_sequence_[num_expected_++] = &streaminfo_; + expected_metadata_sequence_[num_expected_++] = &padding_; + expected_metadata_sequence_[num_expected_++] = &seektable_; + expected_metadata_sequence_[num_expected_++] = &application1_; + expected_metadata_sequence_[num_expected_++] = &application2_; + expected_metadata_sequence_[num_expected_++] = &vorbiscomment_; + expected_metadata_sequence_[num_expected_++] = &cuesheet_; + expected_metadata_sequence_[num_expected_++] = &picture_; + expected_metadata_sequence_[num_expected_++] = &unknown_; + } + + if(!(layer < LAYER_FILE? dynamic_cast<StreamDecoder*>(decoder)->test_respond(is_ogg) : dynamic_cast<FileDecoder*>(decoder)->test_respond(is_ogg))) + return false; + + /* + * ignore all + */ + + printf("testing set_metadata_ignore_all()... "); + if(!decoder->set_metadata_ignore_all()) { + printf("FAILED, returned false\n"); + return false; + } + printf("OK\n"); + + num_expected_ = 0; + + if(!(layer < LAYER_FILE? dynamic_cast<StreamDecoder*>(decoder)->test_respond(is_ogg) : dynamic_cast<FileDecoder*>(decoder)->test_respond(is_ogg))) + return false; + + /* + * respond all, ignore VORBIS_COMMENT + */ + + printf("testing set_metadata_respond_all()... "); + if(!decoder->set_metadata_respond_all()) { + printf("FAILED, returned false\n"); + return false; + } + printf("OK\n"); + + printf("testing set_metadata_ignore(VORBIS_COMMENT)... "); + if(!decoder->set_metadata_ignore(FLAC__METADATA_TYPE_VORBIS_COMMENT)) { + printf("FAILED, returned false\n"); + return false; + } + printf("OK\n"); + + num_expected_ = 0; + expected_metadata_sequence_[num_expected_++] = &streaminfo_; + expected_metadata_sequence_[num_expected_++] = &padding_; + if(!is_ogg) /* encoder removes seektable for ogg */ + expected_metadata_sequence_[num_expected_++] = &seektable_; + expected_metadata_sequence_[num_expected_++] = &application1_; + expected_metadata_sequence_[num_expected_++] = &application2_; + expected_metadata_sequence_[num_expected_++] = &cuesheet_; + expected_metadata_sequence_[num_expected_++] = &picture_; + expected_metadata_sequence_[num_expected_++] = &unknown_; + + if(!(layer < LAYER_FILE? dynamic_cast<StreamDecoder*>(decoder)->test_respond(is_ogg) : dynamic_cast<FileDecoder*>(decoder)->test_respond(is_ogg))) + return false; + + /* + * respond all, ignore APPLICATION + */ + + printf("testing set_metadata_respond_all()... "); + if(!decoder->set_metadata_respond_all()) { + printf("FAILED, returned false\n"); + return false; + } + printf("OK\n"); + + printf("testing set_metadata_ignore(APPLICATION)... "); + if(!decoder->set_metadata_ignore(FLAC__METADATA_TYPE_APPLICATION)) { + printf("FAILED, returned false\n"); + return false; + } + printf("OK\n"); + + num_expected_ = 0; + if(is_ogg) { /* encoder moves vorbis comment after streaminfo according to ogg mapping. Also removes the seektable */ + expected_metadata_sequence_[num_expected_++] = &streaminfo_; + expected_metadata_sequence_[num_expected_++] = &vorbiscomment_; + expected_metadata_sequence_[num_expected_++] = &padding_; + expected_metadata_sequence_[num_expected_++] = &cuesheet_; + expected_metadata_sequence_[num_expected_++] = &picture_; + expected_metadata_sequence_[num_expected_++] = &unknown_; + } + else { + expected_metadata_sequence_[num_expected_++] = &streaminfo_; + expected_metadata_sequence_[num_expected_++] = &padding_; + expected_metadata_sequence_[num_expected_++] = &seektable_; + expected_metadata_sequence_[num_expected_++] = &vorbiscomment_; + expected_metadata_sequence_[num_expected_++] = &cuesheet_; + expected_metadata_sequence_[num_expected_++] = &picture_; + expected_metadata_sequence_[num_expected_++] = &unknown_; + } + + if(!(layer < LAYER_FILE? dynamic_cast<StreamDecoder*>(decoder)->test_respond(is_ogg) : dynamic_cast<FileDecoder*>(decoder)->test_respond(is_ogg))) + return false; + + /* + * respond all, ignore APPLICATION id of app#1 + */ + + printf("testing set_metadata_respond_all()... "); + if(!decoder->set_metadata_respond_all()) { + printf("FAILED, returned false\n"); + return false; + } + printf("OK\n"); + + printf("testing set_metadata_ignore_application(of app block #1)... "); + if(!decoder->set_metadata_ignore_application(application1_.data.application.id)) { + printf("FAILED, returned false\n"); + return false; + } + printf("OK\n"); + + num_expected_ = 0; + if(is_ogg) { /* encoder moves vorbis comment after streaminfo according to ogg mapping. Also removes the seektable */ + expected_metadata_sequence_[num_expected_++] = &streaminfo_; + expected_metadata_sequence_[num_expected_++] = &vorbiscomment_; + expected_metadata_sequence_[num_expected_++] = &padding_; + expected_metadata_sequence_[num_expected_++] = &application2_; + expected_metadata_sequence_[num_expected_++] = &cuesheet_; + expected_metadata_sequence_[num_expected_++] = &picture_; + expected_metadata_sequence_[num_expected_++] = &unknown_; + } + else { + expected_metadata_sequence_[num_expected_++] = &streaminfo_; + expected_metadata_sequence_[num_expected_++] = &padding_; + expected_metadata_sequence_[num_expected_++] = &seektable_; + expected_metadata_sequence_[num_expected_++] = &application2_; + expected_metadata_sequence_[num_expected_++] = &vorbiscomment_; + expected_metadata_sequence_[num_expected_++] = &cuesheet_; + expected_metadata_sequence_[num_expected_++] = &picture_; + expected_metadata_sequence_[num_expected_++] = &unknown_; + } + + if(!(layer < LAYER_FILE? dynamic_cast<StreamDecoder*>(decoder)->test_respond(is_ogg) : dynamic_cast<FileDecoder*>(decoder)->test_respond(is_ogg))) + return false; + + /* + * respond all, ignore APPLICATION id of app#1 & app#2 + */ + + printf("testing set_metadata_respond_all()... "); + if(!decoder->set_metadata_respond_all()) { + printf("FAILED, returned false\n"); + return false; + } + printf("OK\n"); + + printf("testing set_metadata_ignore_application(of app block #1)... "); + if(!decoder->set_metadata_ignore_application(application1_.data.application.id)) { + printf("FAILED, returned false\n"); + return false; + } + printf("OK\n"); + + printf("testing set_metadata_ignore_application(of app block #2)... "); + if(!decoder->set_metadata_ignore_application(application2_.data.application.id)) { + printf("FAILED, returned false\n"); + return false; + } + printf("OK\n"); + + num_expected_ = 0; + if(is_ogg) { /* encoder moves vorbis comment after streaminfo according to ogg mapping. Also removes seektable */ + expected_metadata_sequence_[num_expected_++] = &streaminfo_; + expected_metadata_sequence_[num_expected_++] = &vorbiscomment_; + expected_metadata_sequence_[num_expected_++] = &padding_; + expected_metadata_sequence_[num_expected_++] = &cuesheet_; + expected_metadata_sequence_[num_expected_++] = &picture_; + expected_metadata_sequence_[num_expected_++] = &unknown_; + } + else { + expected_metadata_sequence_[num_expected_++] = &streaminfo_; + expected_metadata_sequence_[num_expected_++] = &padding_; + expected_metadata_sequence_[num_expected_++] = &seektable_; + expected_metadata_sequence_[num_expected_++] = &vorbiscomment_; + expected_metadata_sequence_[num_expected_++] = &cuesheet_; + expected_metadata_sequence_[num_expected_++] = &picture_; + expected_metadata_sequence_[num_expected_++] = &unknown_; + } + + if(!(layer < LAYER_FILE? dynamic_cast<StreamDecoder*>(decoder)->test_respond(is_ogg) : dynamic_cast<FileDecoder*>(decoder)->test_respond(is_ogg))) + return false; + + /* + * ignore all, respond VORBIS_COMMENT + */ + + printf("testing set_metadata_ignore_all()... "); + if(!decoder->set_metadata_ignore_all()) { + printf("FAILED, returned false\n"); + return false; + } + printf("OK\n"); + + printf("testing set_metadata_respond(VORBIS_COMMENT)... "); + if(!decoder->set_metadata_respond(FLAC__METADATA_TYPE_VORBIS_COMMENT)) { + printf("FAILED, returned false\n"); + return false; + } + printf("OK\n"); + + num_expected_ = 0; + expected_metadata_sequence_[num_expected_++] = &vorbiscomment_; + + if(!(layer < LAYER_FILE? dynamic_cast<StreamDecoder*>(decoder)->test_respond(is_ogg) : dynamic_cast<FileDecoder*>(decoder)->test_respond(is_ogg))) + return false; + + /* + * ignore all, respond APPLICATION + */ + + printf("testing set_metadata_ignore_all()... "); + if(!decoder->set_metadata_ignore_all()) { + printf("FAILED, returned false\n"); + return false; + } + printf("OK\n"); + + printf("testing set_metadata_respond(APPLICATION)... "); + if(!decoder->set_metadata_respond(FLAC__METADATA_TYPE_APPLICATION)) { + printf("FAILED, returned false\n"); + return false; + } + printf("OK\n"); + + num_expected_ = 0; + expected_metadata_sequence_[num_expected_++] = &application1_; + expected_metadata_sequence_[num_expected_++] = &application2_; + + if(!(layer < LAYER_FILE? dynamic_cast<StreamDecoder*>(decoder)->test_respond(is_ogg) : dynamic_cast<FileDecoder*>(decoder)->test_respond(is_ogg))) + return false; + + /* + * ignore all, respond APPLICATION id of app#1 + */ + + printf("testing set_metadata_ignore_all()... "); + if(!decoder->set_metadata_ignore_all()) { + printf("FAILED, returned false\n"); + return false; + } + printf("OK\n"); + + printf("testing set_metadata_respond_application(of app block #1)... "); + if(!decoder->set_metadata_respond_application(application1_.data.application.id)) { + printf("FAILED, returned false\n"); + return false; + } + printf("OK\n"); + + num_expected_ = 0; + expected_metadata_sequence_[num_expected_++] = &application1_; + + if(!(layer < LAYER_FILE? dynamic_cast<StreamDecoder*>(decoder)->test_respond(is_ogg) : dynamic_cast<FileDecoder*>(decoder)->test_respond(is_ogg))) + return false; + + /* + * ignore all, respond APPLICATION id of app#1 & app#2 + */ + + printf("testing set_metadata_ignore_all()... "); + if(!decoder->set_metadata_ignore_all()) { + printf("FAILED, returned false\n"); + return false; + } + printf("OK\n"); + + printf("testing set_metadata_respond_application(of app block #1)... "); + if(!decoder->set_metadata_respond_application(application1_.data.application.id)) { + printf("FAILED, returned false\n"); + return false; + } + printf("OK\n"); + + printf("testing set_metadata_respond_application(of app block #2)... "); + if(!decoder->set_metadata_respond_application(application2_.data.application.id)) { + printf("FAILED, returned false\n"); + return false; + } + printf("OK\n"); + + num_expected_ = 0; + expected_metadata_sequence_[num_expected_++] = &application1_; + expected_metadata_sequence_[num_expected_++] = &application2_; + + if(!(layer < LAYER_FILE? dynamic_cast<StreamDecoder*>(decoder)->test_respond(is_ogg) : dynamic_cast<FileDecoder*>(decoder)->test_respond(is_ogg))) + return false; + + /* + * respond all, ignore APPLICATION, respond APPLICATION id of app#1 + */ + + printf("testing set_metadata_respond_all()... "); + if(!decoder->set_metadata_respond_all()) { + printf("FAILED, returned false\n"); + return false; + } + printf("OK\n"); + + printf("testing set_metadata_ignore(APPLICATION)... "); + if(!decoder->set_metadata_ignore(FLAC__METADATA_TYPE_APPLICATION)) { + printf("FAILED, returned false\n"); + return false; + } + printf("OK\n"); + + printf("testing set_metadata_respond_application(of app block #1)... "); + if(!decoder->set_metadata_respond_application(application1_.data.application.id)) { + printf("FAILED, returned false\n"); + return false; + } + printf("OK\n"); + + num_expected_ = 0; + if(is_ogg) { /* encoder moves vorbis comment after streaminfo according to ogg mapping. Also removes the seektable */ + expected_metadata_sequence_[num_expected_++] = &streaminfo_; + expected_metadata_sequence_[num_expected_++] = &vorbiscomment_; + expected_metadata_sequence_[num_expected_++] = &padding_; + expected_metadata_sequence_[num_expected_++] = &application1_; + expected_metadata_sequence_[num_expected_++] = &cuesheet_; + expected_metadata_sequence_[num_expected_++] = &picture_; + expected_metadata_sequence_[num_expected_++] = &unknown_; + } + else { + expected_metadata_sequence_[num_expected_++] = &streaminfo_; + expected_metadata_sequence_[num_expected_++] = &padding_; + expected_metadata_sequence_[num_expected_++] = &seektable_; + expected_metadata_sequence_[num_expected_++] = &application1_; + expected_metadata_sequence_[num_expected_++] = &vorbiscomment_; + expected_metadata_sequence_[num_expected_++] = &cuesheet_; + expected_metadata_sequence_[num_expected_++] = &picture_; + expected_metadata_sequence_[num_expected_++] = &unknown_; + } + + if(!(layer < LAYER_FILE? dynamic_cast<StreamDecoder*>(decoder)->test_respond(is_ogg) : dynamic_cast<FileDecoder*>(decoder)->test_respond(is_ogg))) + return false; + + /* + * ignore all, respond APPLICATION, ignore APPLICATION id of app#1 + */ + + printf("testing set_metadata_ignore_all()... "); + if(!decoder->set_metadata_ignore_all()) { + printf("FAILED, returned false\n"); + return false; + } + printf("OK\n"); + + printf("testing set_metadata_respond(APPLICATION)... "); + if(!decoder->set_metadata_respond(FLAC__METADATA_TYPE_APPLICATION)) { + printf("FAILED, returned false\n"); + return false; + } + printf("OK\n"); + + printf("testing set_metadata_ignore_application(of app block #1)... "); + if(!decoder->set_metadata_ignore_application(application1_.data.application.id)) { + printf("FAILED, returned false\n"); + return false; + } + printf("OK\n"); + + num_expected_ = 0; + expected_metadata_sequence_[num_expected_++] = &application2_; + + if(!(layer < LAYER_FILE? dynamic_cast<StreamDecoder*>(decoder)->test_respond(is_ogg) : dynamic_cast<FileDecoder*>(decoder)->test_respond(is_ogg))) + return false; + + if(layer < LAYER_FILE) /* for LAYER_FILE, FLAC__stream_decoder_finish() closes the file */ + ::fclose(dynamic_cast<StreamDecoder*>(decoder)->file_); + + printf("freeing decoder instance... "); + delete decoder; + printf("OK\n"); + + printf("\nPASSED!\n"); + + return true; +} + +bool test_decoders() +{ + FLAC__bool is_ogg = false; + + while(1) { + init_metadata_blocks_(); + + if(!generate_file_(is_ogg)) + return false; + + if(!test_stream_decoder(LAYER_STREAM, is_ogg)) + return false; + + if(!test_stream_decoder(LAYER_SEEKABLE_STREAM, is_ogg)) + return false; + + if(!test_stream_decoder(LAYER_FILE, is_ogg)) + return false; + + if(!test_stream_decoder(LAYER_FILENAME, is_ogg)) + return false; + + (void) grabbag__file_remove_file(flacfilename(is_ogg)); + + free_metadata_blocks_(); + + if(!FLAC_API_SUPPORTS_OGG_FLAC || is_ogg) + break; + is_ogg = true; + } + + return true; +} diff --git a/src/test_libFLAC++/decoders.h b/src/test_libFLAC++/decoders.h new file mode 100644 index 0000000..4bbce13 --- /dev/null +++ b/src/test_libFLAC++/decoders.h @@ -0,0 +1,25 @@ +/* test_libFLAC++ - Unit tester for libFLAC++ + * Copyright (C) 2002-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifndef FLAC__TEST_LIBFLACPP_DECODERS_H +#define FLAC__TEST_LIBFLACPP_DECODERS_H + +bool test_decoders(); + +#endif diff --git a/src/test_libFLAC++/encoders.cpp b/src/test_libFLAC++/encoders.cpp new file mode 100644 index 0000000..0e356af --- /dev/null +++ b/src/test_libFLAC++/encoders.cpp @@ -0,0 +1,576 @@ +/* test_libFLAC++ - Unit tester for libFLAC++ + * Copyright (C) 2002-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "encoders.h" +#include "FLAC/assert.h" +#include "FLAC++/encoder.h" +#include "share/grabbag.h" +extern "C" { +#include "test_libs_common/file_utils_flac.h" +#include "test_libs_common/metadata_utils.h" +} +#include <errno.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include "share/compat.h" + +#ifdef _MSC_VER +// warning C4800: 'int' : forcing to bool 'true' or 'false' (performance warning) +#pragma warning ( disable : 4800 ) +#endif + +typedef enum { + LAYER_STREAM = 0, /* FLAC__stream_encoder_init_stream() without seeking */ + LAYER_SEEKABLE_STREAM, /* FLAC__stream_encoder_init_stream() with seeking */ + LAYER_FILE, /* FLAC__stream_encoder_init_FILE() */ + LAYER_FILENAME /* FLAC__stream_encoder_init_file() */ +} Layer; + +static const char * const LayerString[] = { + "Stream", + "Seekable Stream", + "FILE*", + "Filename" +}; + +static ::FLAC__StreamMetadata streaminfo_, padding_, seektable_, application1_, application2_, vorbiscomment_, cuesheet_, picture_, unknown_; +static ::FLAC__StreamMetadata *metadata_sequence_[] = { &vorbiscomment_, &padding_, &seektable_, &application1_, &application2_, &cuesheet_, &picture_, &unknown_ }; +static const uint32_t num_metadata_ = sizeof(metadata_sequence_) / sizeof(metadata_sequence_[0]); + +static const char *flacfilename(bool is_ogg) +{ + return is_ogg? "metadata.oga" : "metadata.flac"; +} + +static bool die_(const char *msg) +{ + printf("ERROR: %s\n", msg); + return false; +} + +static bool die_s_(const char *msg, const FLAC::Encoder::Stream *encoder) +{ + FLAC::Encoder::Stream::State state = encoder->get_state(); + + if(msg) + printf("FAILED, %s", msg); + else + printf("FAILED"); + + printf(", state = %u (%s)\n", (uint32_t)((::FLAC__StreamEncoderState)state), state.as_cstring()); + if(state == ::FLAC__STREAM_ENCODER_VERIFY_DECODER_ERROR) { + FLAC::Decoder::Stream::State dstate = encoder->get_verify_decoder_state(); + printf(" verify decoder state = %u (%s)\n", (uint32_t)((::FLAC__StreamDecoderState)dstate), dstate.as_cstring()); + } + + return false; +} + +static void init_metadata_blocks_() +{ + mutils__init_metadata_blocks(&streaminfo_, &padding_, &seektable_, &application1_, &application2_, &vorbiscomment_, &cuesheet_, &picture_, &unknown_); +} + +static void free_metadata_blocks_() +{ + mutils__free_metadata_blocks(&streaminfo_, &padding_, &seektable_, &application1_, &application2_, &vorbiscomment_, &cuesheet_, &picture_, &unknown_); +} + +class StreamEncoder : public FLAC::Encoder::Stream { +public: + Layer layer_; + FILE *file_; + + StreamEncoder(Layer layer): FLAC::Encoder::Stream(), layer_(layer), file_(0) { } + ~StreamEncoder() { } + + // from FLAC::Encoder::Stream + ::FLAC__StreamEncoderReadStatus read_callback(FLAC__byte buffer[], size_t *bytes); + ::FLAC__StreamEncoderWriteStatus write_callback(const FLAC__byte buffer[], size_t bytes, uint32_t samples, uint32_t current_frame); + ::FLAC__StreamEncoderSeekStatus seek_callback(FLAC__uint64 absolute_byte_offset); + ::FLAC__StreamEncoderTellStatus tell_callback(FLAC__uint64 *absolute_byte_offset); + void metadata_callback(const ::FLAC__StreamMetadata *metadata); +private: + StreamEncoder(const StreamEncoder&); + StreamEncoder&operator=(const StreamEncoder&); +}; + +::FLAC__StreamEncoderReadStatus StreamEncoder::read_callback(FLAC__byte buffer[], size_t *bytes) +{ + if(*bytes > 0) { + *bytes = fread(buffer, sizeof(FLAC__byte), *bytes, file_); + if(ferror(file_)) + return ::FLAC__STREAM_ENCODER_READ_STATUS_ABORT; + else if(*bytes == 0) + return ::FLAC__STREAM_ENCODER_READ_STATUS_END_OF_STREAM; + else + return ::FLAC__STREAM_ENCODER_READ_STATUS_CONTINUE; + } + else + return ::FLAC__STREAM_ENCODER_READ_STATUS_ABORT; +} + +::FLAC__StreamEncoderWriteStatus StreamEncoder::write_callback(const FLAC__byte buffer[], size_t bytes, uint32_t samples, uint32_t current_frame) +{ + (void)samples, (void)current_frame; + + if(fwrite(buffer, 1, bytes, file_) != bytes) + return ::FLAC__STREAM_ENCODER_WRITE_STATUS_FATAL_ERROR; + else + return ::FLAC__STREAM_ENCODER_WRITE_STATUS_OK; +} + +::FLAC__StreamEncoderSeekStatus StreamEncoder::seek_callback(FLAC__uint64 absolute_byte_offset) +{ + if(layer_==LAYER_STREAM) + return ::FLAC__STREAM_ENCODER_SEEK_STATUS_UNSUPPORTED; + else if(fseeko(file_, (FLAC__off_t)absolute_byte_offset, SEEK_SET) < 0) + return FLAC__STREAM_ENCODER_SEEK_STATUS_ERROR; + else + return FLAC__STREAM_ENCODER_SEEK_STATUS_OK; +} + +::FLAC__StreamEncoderTellStatus StreamEncoder::tell_callback(FLAC__uint64 *absolute_byte_offset) +{ + FLAC__off_t pos; + if(layer_==LAYER_STREAM) + return ::FLAC__STREAM_ENCODER_TELL_STATUS_UNSUPPORTED; + else if((pos = ftello(file_)) < 0) + return FLAC__STREAM_ENCODER_TELL_STATUS_ERROR; + else { + *absolute_byte_offset = (FLAC__uint64)pos; + return FLAC__STREAM_ENCODER_TELL_STATUS_OK; + } +} + +void StreamEncoder::metadata_callback(const ::FLAC__StreamMetadata *metadata) +{ + (void)metadata; +} + +class FileEncoder : public FLAC::Encoder::File { +public: + Layer layer_; + + FileEncoder(Layer layer): FLAC::Encoder::File(), layer_(layer) { } + ~FileEncoder() { } + + // from FLAC::Encoder::File + void progress_callback(FLAC__uint64 bytes_written, FLAC__uint64 samples_written, uint32_t frames_written, uint32_t total_frames_estimate); +}; + +void FileEncoder::progress_callback(FLAC__uint64 bytes_written, FLAC__uint64 samples_written, uint32_t frames_written, uint32_t total_frames_estimate) +{ + (void)bytes_written, (void)samples_written, (void)frames_written, (void)total_frames_estimate; +} + +static FLAC::Encoder::Stream *new_by_layer(Layer layer) +{ + if(layer < LAYER_FILE) + return new StreamEncoder(layer); + else + return new FileEncoder(layer); +} + +static bool test_stream_encoder(Layer layer, bool is_ogg) +{ + FLAC::Encoder::Stream *encoder; + ::FLAC__StreamEncoderInitStatus init_status; + FILE *file = 0; + FLAC__int32 samples[1024]; + FLAC__int32 *samples_array[1] = { samples }; + uint32_t i; + + printf("\n+++ libFLAC++ unit test: FLAC::Encoder::%s (layer: %s, format: %s)\n\n", layer<LAYER_FILE? "Stream":"File", LayerString[layer], is_ogg? "Ogg FLAC":"FLAC"); + + printf("allocating encoder instance... "); + encoder = new_by_layer(layer); + if(0 == encoder) { + printf("FAILED, new returned NULL\n"); + return false; + } + printf("OK\n"); + + printf("testing is_valid()... "); + if(!encoder->is_valid()) { + printf("FAILED, returned false\n"); + delete encoder; + return false; + } + printf("OK\n"); + + if(is_ogg) { + printf("testing set_ogg_serial_number()... "); + if(!encoder->set_ogg_serial_number(file_utils__ogg_serial_number)) + return die_s_("returned false", encoder); + printf("OK\n"); + } + + printf("testing set_verify()... "); + if(!encoder->set_verify(true)) + return die_s_("returned false", encoder); + printf("OK\n"); + + printf("testing set_streamable_subset()... "); + if(!encoder->set_streamable_subset(true)) + return die_s_("returned false", encoder); + printf("OK\n"); + + printf("testing set_channels()... "); + if(!encoder->set_channels(streaminfo_.data.stream_info.channels)) + return die_s_("returned false", encoder); + printf("OK\n"); + + printf("testing set_bits_per_sample()... "); + if(!encoder->set_bits_per_sample(streaminfo_.data.stream_info.bits_per_sample)) + return die_s_("returned false", encoder); + printf("OK\n"); + + printf("testing set_sample_rate()... "); + if(!encoder->set_sample_rate(streaminfo_.data.stream_info.sample_rate)) + return die_s_("returned false", encoder); + printf("OK\n"); + + printf("testing set_compression_level()... "); + if(!encoder->set_compression_level((uint32_t)(-1))) + return die_s_("returned false", encoder); + printf("OK\n"); + + printf("testing set_blocksize()... "); + if(!encoder->set_blocksize(streaminfo_.data.stream_info.min_blocksize)) + return die_s_("returned false", encoder); + printf("OK\n"); + + printf("testing set_do_mid_side_stereo()... "); + if(!encoder->set_do_mid_side_stereo(false)) + return die_s_("returned false", encoder); + printf("OK\n"); + + printf("testing set_loose_mid_side_stereo()... "); + if(!encoder->set_loose_mid_side_stereo(false)) + return die_s_("returned false", encoder); + printf("OK\n"); + + printf("testing set_max_lpc_order()... "); + if(!encoder->set_max_lpc_order(0)) + return die_s_("returned false", encoder); + printf("OK\n"); + + printf("testing set_qlp_coeff_precision()... "); + if(!encoder->set_qlp_coeff_precision(0)) + return die_s_("returned false", encoder); + printf("OK\n"); + + printf("testing set_do_qlp_coeff_prec_search()... "); + if(!encoder->set_do_qlp_coeff_prec_search(false)) + return die_s_("returned false", encoder); + printf("OK\n"); + + printf("testing set_do_escape_coding()... "); + if(!encoder->set_do_escape_coding(false)) + return die_s_("returned false", encoder); + printf("OK\n"); + + printf("testing set_do_exhaustive_model_search()... "); + if(!encoder->set_do_exhaustive_model_search(false)) + return die_s_("returned false", encoder); + printf("OK\n"); + + printf("testing set_min_residual_partition_order()... "); + if(!encoder->set_min_residual_partition_order(0)) + return die_s_("returned false", encoder); + printf("OK\n"); + + printf("testing set_max_residual_partition_order()... "); + if(!encoder->set_max_residual_partition_order(0)) + return die_s_("returned false", encoder); + printf("OK\n"); + + printf("testing set_rice_parameter_search_dist()... "); + if(!encoder->set_rice_parameter_search_dist(0)) + return die_s_("returned false", encoder); + printf("OK\n"); + + printf("testing set_total_samples_estimate()... "); + if(!encoder->set_total_samples_estimate(streaminfo_.data.stream_info.total_samples)) + return die_s_("returned false", encoder); + printf("OK\n"); + + printf("testing set_metadata()... "); + if(!encoder->set_metadata(metadata_sequence_, num_metadata_)) + return die_s_("returned false", encoder); + printf("OK\n"); + + printf("testing set_limit_min_bitrate()... "); + if(!encoder->set_limit_min_bitrate(true)) + return die_s_("returned false", encoder); + printf("OK\n"); + + if(layer < LAYER_FILENAME) { + printf("opening file for FLAC output... "); + file = ::flac_fopen(flacfilename(is_ogg), "w+b"); + if(0 == file) { + printf("ERROR (%s)\n", strerror(errno)); + return false; + } + printf("OK\n"); + if(layer < LAYER_FILE) + dynamic_cast<StreamEncoder*>(encoder)->file_ = file; + } + + switch(layer) { + case LAYER_STREAM: + case LAYER_SEEKABLE_STREAM: + printf("testing init%s()... ", is_ogg? "_ogg":""); + init_status = is_ogg? encoder->init_ogg() : encoder->init(); + break; + case LAYER_FILE: + printf("testing init%s()... ", is_ogg? "_ogg":""); + init_status = is_ogg? + dynamic_cast<FLAC::Encoder::File*>(encoder)->init_ogg(file) : + dynamic_cast<FLAC::Encoder::File*>(encoder)->init(file); + break; + case LAYER_FILENAME: + printf("testing init%s()... ", is_ogg? "_ogg":""); + init_status = is_ogg? + dynamic_cast<FLAC::Encoder::File*>(encoder)->init_ogg(flacfilename(is_ogg)) : + dynamic_cast<FLAC::Encoder::File*>(encoder)->init(flacfilename(is_ogg)); + break; + default: + die_("internal error 001"); + return false; + } + if(init_status != ::FLAC__STREAM_ENCODER_INIT_STATUS_OK) + return die_s_(0, encoder); + printf("OK\n"); + + printf("testing get_state()... "); + FLAC::Encoder::Stream::State state = encoder->get_state(); + printf("returned state = %u (%s)... OK\n", (uint32_t)((::FLAC__StreamEncoderState)state), state.as_cstring()); + + printf("testing get_verify_decoder_state()... "); + FLAC::Decoder::Stream::State dstate = encoder->get_verify_decoder_state(); + printf("returned state = %u (%s)... OK\n", (uint32_t)((::FLAC__StreamDecoderState)dstate), dstate.as_cstring()); + + { + FLAC__uint64 absolute_sample; + uint32_t frame_number; + uint32_t channel; + uint32_t sample; + FLAC__int32 expected; + FLAC__int32 got; + + printf("testing get_verify_decoder_error_stats()... "); + encoder->get_verify_decoder_error_stats(&absolute_sample, &frame_number, &channel, &sample, &expected, &got); + printf("OK\n"); + } + + printf("testing get_verify()... "); + if(encoder->get_verify() != true) { + printf("FAILED, expected true, got false\n"); + return false; + } + printf("OK\n"); + + printf("testing get_streamable_subset()... "); + if(encoder->get_streamable_subset() != true) { + printf("FAILED, expected true, got false\n"); + return false; + } + printf("OK\n"); + + printf("testing get_do_mid_side_stereo()... "); + if(encoder->get_do_mid_side_stereo() != false) { + printf("FAILED, expected false, got true\n"); + return false; + } + printf("OK\n"); + + printf("testing get_loose_mid_side_stereo()... "); + if(encoder->get_loose_mid_side_stereo() != false) { + printf("FAILED, expected false, got true\n"); + return false; + } + printf("OK\n"); + + printf("testing get_channels()... "); + if(encoder->get_channels() != streaminfo_.data.stream_info.channels) { + printf("FAILED, expected %u, got %u\n", streaminfo_.data.stream_info.channels, encoder->get_channels()); + return false; + } + printf("OK\n"); + + printf("testing get_bits_per_sample()... "); + if(encoder->get_bits_per_sample() != streaminfo_.data.stream_info.bits_per_sample) { + printf("FAILED, expected %u, got %u\n", streaminfo_.data.stream_info.bits_per_sample, encoder->get_bits_per_sample()); + return false; + } + printf("OK\n"); + + printf("testing get_sample_rate()... "); + if(encoder->get_sample_rate() != streaminfo_.data.stream_info.sample_rate) { + printf("FAILED, expected %u, got %u\n", streaminfo_.data.stream_info.sample_rate, encoder->get_sample_rate()); + return false; + } + printf("OK\n"); + + printf("testing get_blocksize()... "); + if(encoder->get_blocksize() != streaminfo_.data.stream_info.min_blocksize) { + printf("FAILED, expected %u, got %u\n", streaminfo_.data.stream_info.min_blocksize, encoder->get_blocksize()); + return false; + } + printf("OK\n"); + + printf("testing get_max_lpc_order()... "); + if(encoder->get_max_lpc_order() != 0) { + printf("FAILED, expected %d, got %u\n", 0, encoder->get_max_lpc_order()); + return false; + } + printf("OK\n"); + + printf("testing get_qlp_coeff_precision()... "); + (void)encoder->get_qlp_coeff_precision(); + /* we asked the encoder to auto select this so we accept anything */ + printf("OK\n"); + + printf("testing get_do_qlp_coeff_prec_search()... "); + if(encoder->get_do_qlp_coeff_prec_search() != false) { + printf("FAILED, expected false, got true\n"); + return false; + } + printf("OK\n"); + + printf("testing get_do_escape_coding()... "); + if(encoder->get_do_escape_coding() != false) { + printf("FAILED, expected false, got true\n"); + return false; + } + printf("OK\n"); + + printf("testing get_do_exhaustive_model_search()... "); + if(encoder->get_do_exhaustive_model_search() != false) { + printf("FAILED, expected false, got true\n"); + return false; + } + printf("OK\n"); + + printf("testing get_min_residual_partition_order()... "); + if(encoder->get_min_residual_partition_order() != 0) { + printf("FAILED, expected %d, got %u\n", 0, encoder->get_min_residual_partition_order()); + return false; + } + printf("OK\n"); + + printf("testing get_max_residual_partition_order()... "); + if(encoder->get_max_residual_partition_order() != 0) { + printf("FAILED, expected %d, got %u\n", 0, encoder->get_max_residual_partition_order()); + return false; + } + printf("OK\n"); + + printf("testing get_rice_parameter_search_dist()... "); + if(encoder->get_rice_parameter_search_dist() != 0) { + printf("FAILED, expected %d, got %u\n", 0, encoder->get_rice_parameter_search_dist()); + return false; + } + printf("OK\n"); + + printf("testing get_total_samples_estimate()... "); + if(encoder->get_total_samples_estimate() != streaminfo_.data.stream_info.total_samples) { + printf("FAILED, expected %" PRIu64 ", got %" PRIu64 "\n", streaminfo_.data.stream_info.total_samples, encoder->get_total_samples_estimate()); + return false; + } + printf("OK\n"); + + printf("testing get_limit_min_bitrate()... "); + if(encoder->get_limit_min_bitrate() != true) { + printf("FAILED, expected true, got false\n"); + return false; + } + printf("OK\n"); + + /* init the dummy sample buffer */ + for(i = 0; i < sizeof(samples) / sizeof(FLAC__int32); i++) + samples[i] = i & 7; + + printf("testing process()... "); + if(!encoder->process(samples_array, sizeof(samples) / sizeof(FLAC__int32))) + return die_s_("returned false", encoder); + printf("OK\n"); + + printf("testing process_interleaved()... "); + if(!encoder->process_interleaved(samples, sizeof(samples) / sizeof(FLAC__int32))) + return die_s_("returned false", encoder); + printf("OK\n"); + + printf("testing finish()... "); + if(!encoder->finish()) { + state = encoder->get_state(); + printf("FAILED, returned false, state = %u (%s)\n", (uint32_t)((::FLAC__StreamEncoderState)state), state.as_cstring()); + return false; + } + printf("OK\n"); + + if(layer < LAYER_FILE) + ::fclose(dynamic_cast<StreamEncoder*>(encoder)->file_); + + printf("freeing encoder instance... "); + delete encoder; + printf("OK\n"); + + printf("\nPASSED!\n"); + + return true; +} + +bool test_encoders() +{ + FLAC__bool is_ogg = false; + + while(1) { + init_metadata_blocks_(); + + if(!test_stream_encoder(LAYER_STREAM, is_ogg)) + return false; + + if(!test_stream_encoder(LAYER_SEEKABLE_STREAM, is_ogg)) + return false; + + if(!test_stream_encoder(LAYER_FILE, is_ogg)) + return false; + + if(!test_stream_encoder(LAYER_FILENAME, is_ogg)) + return false; + + (void) grabbag__file_remove_file(flacfilename(is_ogg)); + + free_metadata_blocks_(); + + if(!FLAC_API_SUPPORTS_OGG_FLAC || is_ogg) + break; + is_ogg = true; + } + + return true; +} diff --git a/src/test_libFLAC++/encoders.h b/src/test_libFLAC++/encoders.h new file mode 100644 index 0000000..9da415c --- /dev/null +++ b/src/test_libFLAC++/encoders.h @@ -0,0 +1,25 @@ +/* test_libFLAC++ - Unit tester for libFLAC++ + * Copyright (C) 2002-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifndef FLAC__TEST_LIBFLACPP_ENCODERS_H +#define FLAC__TEST_LIBFLACPP_ENCODERS_H + +bool test_encoders(); + +#endif diff --git a/src/test_libFLAC++/main.cpp b/src/test_libFLAC++/main.cpp new file mode 100644 index 0000000..7183def --- /dev/null +++ b/src/test_libFLAC++/main.cpp @@ -0,0 +1,42 @@ +/* test_libFLAC++ - Unit tester for libFLAC++ + * Copyright (C) 2002-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "decoders.h" +#include "encoders.h" +#include "metadata.h" + +int main(int argc, char *argv[]) +{ + (void)argc, (void)argv; + + if(!test_encoders()) + return 1; + + if(!test_decoders()) + return 1; + + if(!test_metadata()) + return 1; + + return 0; +} diff --git a/src/test_libFLAC++/metadata.cpp b/src/test_libFLAC++/metadata.cpp new file mode 100644 index 0000000..a31031b --- /dev/null +++ b/src/test_libFLAC++/metadata.cpp @@ -0,0 +1,41 @@ +/* test_libFLAC++ - Unit tester for libFLAC++ + * Copyright (C) 2002-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "metadata.h" +#include <stdio.h> + +extern bool test_metadata_object(); +extern bool test_metadata_file_manipulation(); + +bool test_metadata() +{ + if(!test_metadata_object()) + return false; + + if(!test_metadata_file_manipulation()) + return false; + + printf("\nPASSED!\n"); + + return true; +} diff --git a/src/test_libFLAC++/metadata.h b/src/test_libFLAC++/metadata.h new file mode 100644 index 0000000..8c45bc0 --- /dev/null +++ b/src/test_libFLAC++/metadata.h @@ -0,0 +1,25 @@ +/* test_libFLAC++ - Unit tester for libFLAC++ + * Copyright (C) 2002-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifndef FLAC__TEST_LIBFLACPP_METADATA_H +#define FLAC__TEST_LIBFLACPP_METADATA_H + +bool test_metadata(); + +#endif diff --git a/src/test_libFLAC++/metadata_manip.cpp b/src/test_libFLAC++/metadata_manip.cpp new file mode 100644 index 0000000..5d395db --- /dev/null +++ b/src/test_libFLAC++/metadata_manip.cpp @@ -0,0 +1,2241 @@ +/* test_libFLAC++ - Unit tester for libFLAC++ + * Copyright (C) 2002-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include <stdio.h> +#include <stdlib.h> /* for malloc() */ +#include <string.h> /* for memcpy()/memset() */ +#include <sys/types.h> /* some flavors of BSD (like OS X) require this to get time_t */ +#ifdef _MSC_VER +#include <sys/utime.h> +#endif +#if !defined _MSC_VER && !defined __MINGW32__ && !defined __EMX__ +#include <unistd.h> /* for chown(), unlink() */ +#endif +#include <sys/stat.h> /* for stat(), maybe chmod() */ +#include "FLAC/assert.h" +#include "FLAC++/decoder.h" +#include "FLAC++/metadata.h" +#include "share/grabbag.h" +#include "share/compat.h" +#include "share/macros.h" +#include "share/safe_str.h" +extern "C" { +#include "test_libs_common/file_utils_flac.h" +} + +/****************************************************************************** + The general strategy of these tests (for interface levels 1 and 2) is + to create a dummy FLAC file with a known set of initial metadata + blocks, then keep a mirror locally of what we expect the metadata to be + after each operation. Then testing becomes a simple matter of running + a FLAC::Decoder::File over the dummy file after each operation, comparing + the decoded metadata to what's in our local copy. If there are any + differences in the metadata, or the actual audio data is corrupted, we + will catch it while decoding. +******************************************************************************/ + +class OurFileDecoder: public FLAC::Decoder::File { +public: + inline OurFileDecoder(bool ignore_metadata): ignore_metadata_(ignore_metadata), error_occurred_(false) { } + + bool ignore_metadata_; + bool error_occurred_; +protected: + ::FLAC__StreamDecoderWriteStatus write_callback(const ::FLAC__Frame *frame, const FLAC__int32 * const buffer[]); + void metadata_callback(const ::FLAC__StreamMetadata *metadata); + void error_callback(::FLAC__StreamDecoderErrorStatus status); +}; + +struct OurMetadata { + FLAC::Metadata::Prototype *blocks[64]; + uint32_t num_blocks; +}; + +/* our copy of the metadata in flacfilename() */ +static OurMetadata our_metadata_; + +/* the current block number that corresponds to the position of the iterator we are testing */ +static uint32_t mc_our_block_number_ = 0; + +static const char *flacfilename(bool is_ogg) +{ + return is_ogg? "metadata.oga" : "metadata.flac"; +} + +static bool die_(const char *msg) +{ + printf("ERROR: %s\n", msg); + return false; +} + +static bool die_c_(const char *msg, FLAC::Metadata::Chain::Status status) +{ + printf("ERROR: %s\n", msg); + printf(" status=%u (%s)\n", (uint32_t)((::FLAC__Metadata_ChainStatus)status), status.as_cstring()); + return false; +} + +static bool die_ss_(const char *msg, FLAC::Metadata::SimpleIterator &iterator) +{ + const FLAC::Metadata::SimpleIterator::Status status = iterator.status(); + printf("ERROR: %s\n", msg); + printf(" status=%u (%s)\n", (uint32_t)((::FLAC__Metadata_SimpleIteratorStatus)status), status.as_cstring()); + return false; +} + +static void *malloc_or_die_(size_t size) +{ + void *x = malloc(size); + if(0 == x) { + fprintf(stderr, "ERROR: out of memory allocating %u bytes\n", (uint32_t)size); + exit(1); + } + return x; +} + +static char *strdup_or_die_(const char *s) +{ + char *x = strdup(s); + if(0 == x) { + fprintf(stderr, "ERROR: out of memory copying string \"%s\"\n", s); + exit(1); + } + return x; +} + +/* functions for working with our metadata copy */ + +static bool replace_in_our_metadata_(FLAC::Metadata::Prototype *block, uint32_t position, bool copy) +{ + uint32_t i; + FLAC::Metadata::Prototype *obj = block; + FLAC__ASSERT(position < our_metadata_.num_blocks); + if(copy) { + if(0 == (obj = FLAC::Metadata::clone(block))) + return die_("during FLAC::Metadata::clone()"); + } + delete our_metadata_.blocks[position]; + our_metadata_.blocks[position] = obj; + + /* set the is_last flags */ + for(i = 0; i < our_metadata_.num_blocks - 1; i++) + our_metadata_.blocks[i]->set_is_last(false); + our_metadata_.blocks[i]->set_is_last(true); + + return true; +} + +static bool insert_to_our_metadata_(FLAC::Metadata::Prototype *block, uint32_t position, bool copy) +{ + uint32_t i; + FLAC::Metadata::Prototype *obj = block; + if(copy) { + if(0 == (obj = FLAC::Metadata::clone(block))) + return die_("during FLAC::Metadata::clone()"); + } + if(position > our_metadata_.num_blocks) { + position = our_metadata_.num_blocks; + } + else { + for(i = our_metadata_.num_blocks; i > position; i--) + our_metadata_.blocks[i] = our_metadata_.blocks[i-1]; + } + our_metadata_.blocks[position] = obj; + our_metadata_.num_blocks++; + + /* set the is_last flags */ + for(i = 0; i < our_metadata_.num_blocks - 1; i++) + our_metadata_.blocks[i]->set_is_last(false); + our_metadata_.blocks[i]->set_is_last(true); + + return true; +} + +static void delete_from_our_metadata_(uint32_t position) +{ + uint32_t i; + FLAC__ASSERT(position < our_metadata_.num_blocks); + delete our_metadata_.blocks[position]; + for(i = position; i < our_metadata_.num_blocks - 1; i++) + our_metadata_.blocks[i] = our_metadata_.blocks[i+1]; + our_metadata_.num_blocks--; + + /* set the is_last flags */ + if(our_metadata_.num_blocks > 0) { + for(i = 0; i < our_metadata_.num_blocks - 1; i++) + our_metadata_.blocks[i]->set_is_last(false); + our_metadata_.blocks[i]->set_is_last(true); + } +} + +void add_to_padding_length_(uint32_t indx, int delta) +{ + FLAC::Metadata::Padding *padding = dynamic_cast<FLAC::Metadata::Padding *>(our_metadata_.blocks[indx]); + FLAC__ASSERT(0 != padding); + padding->set_length((uint32_t)((int)padding->get_length() + delta)); +} + +/* + * This wad of functions supports filename- and callback-based chain reading/writing. + * Everything up to set_file_stats_() is copied from libFLAC/metadata_iterators.c + */ +bool open_tempfile_(const char *filename, FILE **tempfile, char **tempfilename) +{ + static const char *tempfile_suffix = ".metadata_edit"; + size_t destlen = strlen(filename) + strlen(tempfile_suffix) + 1; + + *tempfilename = (char*)malloc(destlen); + if (*tempfilename == 0) + return false; + flac_snprintf(*tempfilename, destlen, "%s%s", filename, tempfile_suffix); + + *tempfile = flac_fopen(*tempfilename, "wb"); + if (*tempfile == 0) + return false; + + return true; +} + +void cleanup_tempfile_(FILE **tempfile, char **tempfilename) +{ + if (*tempfile != 0) { + (void)fclose(*tempfile); + *tempfile = 0; + } + + if (*tempfilename != 0) { + (void)flac_unlink(*tempfilename); + free(*tempfilename); + *tempfilename = 0; + } +} + +bool transport_tempfile_(const char *filename, FILE **tempfile, char **tempfilename) +{ + FLAC__ASSERT(0 != filename); + FLAC__ASSERT(0 != tempfile); + FLAC__ASSERT(0 != tempfilename); + FLAC__ASSERT(0 != *tempfilename); + + if(0 != *tempfile) { + (void)fclose(*tempfile); + *tempfile = 0; + } + +#if defined _MSC_VER || defined __MINGW32__ || defined __EMX__ + /* on some flavors of windows, flac_rename() will fail if the destination already exists */ + if(flac_unlink(filename) < 0) { + cleanup_tempfile_(tempfile, tempfilename); + return false; + } +#endif + + if(0 != flac_rename(*tempfilename, filename)) { + cleanup_tempfile_(tempfile, tempfilename); + return false; + } + + cleanup_tempfile_(tempfile, tempfilename); + + return true; +} + +bool get_file_stats_(const char *filename, struct flac_stat_s *stats) +{ + FLAC__ASSERT(0 != filename); + FLAC__ASSERT(0 != stats); + return (0 == flac_stat(filename, stats)); +} + +void set_file_stats_(const char *filename, struct flac_stat_s *stats) +{ + FLAC__ASSERT(0 != filename); + FLAC__ASSERT(0 != stats); + +#if defined(_POSIX_C_SOURCE) && (_POSIX_C_SOURCE >= 200809L) && !defined(_WIN32) + struct timespec srctime[2] = {}; + srctime[0].tv_sec = stats->st_atime; + srctime[1].tv_sec = stats->st_mtime; +#else + struct utimbuf srctime; + srctime.actime = stats->st_atime; + srctime.modtime = stats->st_mtime; +#endif + (void)flac_chmod(filename, stats->st_mode); + (void)flac_utime(filename, &srctime); +#if !defined _MSC_VER && !defined __MINGW32__ && !defined __EMX__ + FLAC_CHECK_RETURN(chown(filename, stats->st_uid, (gid_t)(-1))); + FLAC_CHECK_RETURN(chown(filename, (uid_t)(-1), stats->st_gid)); +#endif +} + +#ifdef FLAC__VALGRIND_TESTING +static size_t chain_write_cb_(const void *ptr, size_t size, size_t nmemb, ::FLAC__IOHandle handle) +{ + FILE *stream = (FILE*)handle; + size_t ret = fwrite(ptr, size, nmemb, stream); + if(!ferror(stream)) + fflush(stream); + return ret; +} +#endif + +static int chain_seek_cb_(::FLAC__IOHandle handle, FLAC__int64 offset, int whence) +{ + FLAC__off_t o = (FLAC__off_t)offset; + FLAC__ASSERT(offset == o); + return fseeko((FILE*)handle, o, whence); +} + +static FLAC__int64 chain_tell_cb_(::FLAC__IOHandle handle) +{ + return ftello((FILE*)handle); +} + +static int chain_eof_cb_(::FLAC__IOHandle handle) +{ + return feof((FILE*)handle); +} + +static bool write_chain_(FLAC::Metadata::Chain &chain, bool use_padding, bool preserve_file_stats, bool filename_based, const char *filename) +{ + if(filename_based) + return chain.write(use_padding, preserve_file_stats); + else { + ::FLAC__IOCallbacks callbacks; + + memset(&callbacks, 0, sizeof(callbacks)); + callbacks.read = (::FLAC__IOCallback_Read)fread; +#ifdef FLAC__VALGRIND_TESTING + callbacks.write = chain_write_cb_; +#else + callbacks.write = (::FLAC__IOCallback_Write)fwrite; +#endif + callbacks.seek = chain_seek_cb_; + callbacks.eof = chain_eof_cb_; + + if(chain.check_if_tempfile_needed(use_padding)) { + struct flac_stat_s stats; + FILE *file, *tempfile; + char *tempfilename; + if(preserve_file_stats) { + if(!get_file_stats_(filename, &stats)) + return false; + } + if(0 == (file = flac_fopen(filename, "rb"))) + return false; /*@@@@ chain status still says OK though */ + if(!open_tempfile_(filename, &tempfile, &tempfilename)) { + fclose(file); + cleanup_tempfile_(&tempfile, &tempfilename); + return false; /*@@@@ chain status still says OK though */ + } + if(!chain.write(use_padding, (::FLAC__IOHandle)file, callbacks, (::FLAC__IOHandle)tempfile, callbacks)) { + fclose(file); + fclose(tempfile); + return false; + } + fclose(file); + fclose(tempfile); + file = tempfile = 0; + if(!transport_tempfile_(filename, &tempfile, &tempfilename)) + return false; + if(preserve_file_stats) + set_file_stats_(filename, &stats); + } + else { + FILE *file = flac_fopen(filename, "r+b"); + if(0 == file) + return false; /*@@@@ chain status still says OK though */ + if(!chain.write(use_padding, (::FLAC__IOHandle)file, callbacks)) { + fclose(file); + return false; + } + fclose(file); + } + } + + return true; +} + +static bool read_chain_(FLAC::Metadata::Chain &chain, const char *filename, bool filename_based, bool is_ogg) +{ + if(filename_based) + return chain.read(filename, is_ogg); + else { + ::FLAC__IOCallbacks callbacks; + + memset(&callbacks, 0, sizeof(callbacks)); + callbacks.read = (::FLAC__IOCallback_Read)fread; + callbacks.seek = chain_seek_cb_; + callbacks.tell = chain_tell_cb_; + + { + bool ret; + FILE *file = flac_fopen(filename, "rb"); + if(0 == file) + return false; /*@@@@ chain status still says OK though */ + ret = chain.read((::FLAC__IOHandle)file, callbacks, is_ogg); + fclose(file); + return ret; + } + } +} + +/* function for comparing our metadata to a FLAC::Metadata::Chain */ + +static bool compare_chain_(FLAC::Metadata::Chain &chain, uint32_t current_position, FLAC::Metadata::Prototype *current_block) +{ + uint32_t i; + FLAC::Metadata::Iterator iterator; + bool next_ok = true; + + printf("\tcomparing chain... "); + fflush(stdout); + + if(!iterator.is_valid()) + return die_("allocating memory for iterator"); + + iterator.init(chain); + + i = 0; + do { + FLAC::Metadata::Prototype *block; + + printf("%u... ", i); + fflush(stdout); + + if(0 == (block = iterator.get_block())) + return die_("getting block from iterator"); + + if(*block != *our_metadata_.blocks[i]) + return die_("metadata block mismatch"); + + delete block; + i++; + next_ok = iterator.next(); + } while(i < our_metadata_.num_blocks && next_ok); + + if(next_ok) + return die_("chain has more blocks than expected"); + + if(i < our_metadata_.num_blocks) + return die_("short block count in chain"); + + if(0 != current_block) { + printf("CURRENT_POSITION... "); + fflush(stdout); + + if(*current_block != *our_metadata_.blocks[current_position]) + return die_("metadata block mismatch"); + } + + printf("PASSED\n"); + + return true; +} + +::FLAC__StreamDecoderWriteStatus OurFileDecoder::write_callback(const ::FLAC__Frame *frame, const FLAC__int32 * const buffer[]) +{ + (void)buffer; + + if( + (frame->header.number_type == FLAC__FRAME_NUMBER_TYPE_FRAME_NUMBER && frame->header.number.frame_number == 0) || + (frame->header.number_type == FLAC__FRAME_NUMBER_TYPE_SAMPLE_NUMBER && frame->header.number.sample_number == 0) + ) { + printf("content... "); + fflush(stdout); + } + + return ::FLAC__STREAM_DECODER_WRITE_STATUS_CONTINUE; +} + +void OurFileDecoder::metadata_callback(const ::FLAC__StreamMetadata *metadata) +{ + /* don't bother checking if we've already hit an error */ + if(error_occurred_) + return; + + printf("%u... ", mc_our_block_number_); + fflush(stdout); + + if(!ignore_metadata_) { + if(mc_our_block_number_ >= our_metadata_.num_blocks) { + (void)die_("got more metadata blocks than expected"); + error_occurred_ = true; + } + else { + if(*our_metadata_.blocks[mc_our_block_number_] != metadata) { + (void)die_("metadata block mismatch"); + error_occurred_ = true; + } + } + } + + mc_our_block_number_++; +} + +void OurFileDecoder::error_callback(::FLAC__StreamDecoderErrorStatus status) +{ + error_occurred_ = true; + printf("ERROR: got error callback, status = %s (%u)\n", FLAC__StreamDecoderErrorStatusString[status], (uint32_t)status); +} + +static bool generate_file_(bool include_extras, bool is_ogg) +{ + ::FLAC__StreamMetadata streaminfo, vorbiscomment, *cuesheet, picture, padding; + ::FLAC__StreamMetadata *metadata[4]; + uint32_t i = 0, n = 0; + + printf("generating %sFLAC file for test\n", is_ogg? "Ogg " : ""); + + while(our_metadata_.num_blocks > 0) + delete_from_our_metadata_(0); + + streaminfo.is_last = false; + streaminfo.type = ::FLAC__METADATA_TYPE_STREAMINFO; + streaminfo.length = FLAC__STREAM_METADATA_STREAMINFO_LENGTH; + streaminfo.data.stream_info.min_blocksize = 576; + streaminfo.data.stream_info.max_blocksize = 576; + streaminfo.data.stream_info.min_framesize = 0; + streaminfo.data.stream_info.max_framesize = 0; + streaminfo.data.stream_info.sample_rate = 44100; + streaminfo.data.stream_info.channels = 1; + streaminfo.data.stream_info.bits_per_sample = 8; + streaminfo.data.stream_info.total_samples = 0; + memset(streaminfo.data.stream_info.md5sum, 0, 16); + + { + const uint32_t vendor_string_length = (uint32_t)strlen(FLAC__VENDOR_STRING); + vorbiscomment.is_last = false; + vorbiscomment.type = ::FLAC__METADATA_TYPE_VORBIS_COMMENT; + vorbiscomment.length = (4 + vendor_string_length) + 4; + vorbiscomment.data.vorbis_comment.vendor_string.length = vendor_string_length; + vorbiscomment.data.vorbis_comment.vendor_string.entry = (FLAC__byte*)malloc_or_die_(vendor_string_length+1); + memcpy(vorbiscomment.data.vorbis_comment.vendor_string.entry, FLAC__VENDOR_STRING, vendor_string_length+1); + vorbiscomment.data.vorbis_comment.num_comments = 0; + vorbiscomment.data.vorbis_comment.comments = 0; + } + + { + if (0 == (cuesheet = ::FLAC__metadata_object_new(::FLAC__METADATA_TYPE_CUESHEET))) + return die_("priming our metadata"); + cuesheet->is_last = false; + safe_strncpy(cuesheet->data.cue_sheet.media_catalog_number, "bogo-MCN", sizeof(cuesheet->data.cue_sheet.media_catalog_number)); + cuesheet->data.cue_sheet.lead_in = 123; + cuesheet->data.cue_sheet.is_cd = false; + if (!FLAC__metadata_object_cuesheet_insert_blank_track(cuesheet, 0)) + return die_("priming our metadata"); + cuesheet->data.cue_sheet.tracks[0].number = 1; + if (!FLAC__metadata_object_cuesheet_track_insert_blank_index(cuesheet, 0, 0)) + return die_("priming our metadata"); + } + + { + picture.is_last = false; + picture.type = ::FLAC__METADATA_TYPE_PICTURE; + picture.length = + ( + FLAC__STREAM_METADATA_PICTURE_TYPE_LEN + + FLAC__STREAM_METADATA_PICTURE_MIME_TYPE_LENGTH_LEN + /* will add the length for the string later */ + FLAC__STREAM_METADATA_PICTURE_DESCRIPTION_LENGTH_LEN + /* will add the length for the string later */ + FLAC__STREAM_METADATA_PICTURE_WIDTH_LEN + + FLAC__STREAM_METADATA_PICTURE_HEIGHT_LEN + + FLAC__STREAM_METADATA_PICTURE_DEPTH_LEN + + FLAC__STREAM_METADATA_PICTURE_COLORS_LEN + + FLAC__STREAM_METADATA_PICTURE_DATA_LENGTH_LEN /* will add the length for the data later */ + ) / 8 + ; + picture.data.picture.type = ::FLAC__STREAM_METADATA_PICTURE_TYPE_FRONT_COVER; + picture.data.picture.mime_type = strdup_or_die_("image/jpeg"); + picture.length += strlen(picture.data.picture.mime_type); + picture.data.picture.description = (FLAC__byte*)strdup_or_die_("desc"); + picture.length += strlen((const char *)picture.data.picture.description); + picture.data.picture.width = 300; + picture.data.picture.height = 300; + picture.data.picture.depth = 24; + picture.data.picture.colors = 0; + picture.data.picture.data = (FLAC__byte*)strdup_or_die_("SOMEJPEGDATA"); + picture.data.picture.data_length = strlen((const char *)picture.data.picture.data); + picture.length += picture.data.picture.data_length; + } + + padding.is_last = true; + padding.type = ::FLAC__METADATA_TYPE_PADDING; + padding.length = 1234; + + metadata[n++] = &vorbiscomment; + if(include_extras) { + metadata[n++] = cuesheet; + metadata[n++] = &picture; + } + metadata[n++] = &padding; + + FLAC::Metadata::StreamInfo s(&streaminfo); + FLAC::Metadata::VorbisComment v(&vorbiscomment); + FLAC::Metadata::CueSheet c(cuesheet, /*copy=*/false); + FLAC::Metadata::Picture pi(&picture); + FLAC::Metadata::Padding p(&padding); + if( + !insert_to_our_metadata_(&s, i++, /*copy=*/true) || + !insert_to_our_metadata_(&v, i++, /*copy=*/true) || + (include_extras && !insert_to_our_metadata_(&c, i++, /*copy=*/true)) || + (include_extras && !insert_to_our_metadata_(&pi, i++, /*copy=*/true)) || + !insert_to_our_metadata_(&p, i++, /*copy=*/true) + ) + return die_("priming our metadata"); + + if(!file_utils__generate_flacfile(is_ogg, flacfilename(is_ogg), 0, 512 * 1024, &streaminfo, metadata, n)) + return die_("creating the encoded file"); + + free(vorbiscomment.data.vorbis_comment.vendor_string.entry); + free(picture.data.picture.mime_type); + free(picture.data.picture.description); + free(picture.data.picture.data); + + return true; +} + +static bool test_file_(bool is_ogg, bool ignore_metadata) +{ + const char *filename = flacfilename(is_ogg); + OurFileDecoder decoder(ignore_metadata); + + mc_our_block_number_ = 0; + decoder.error_occurred_ = false; + + printf("\ttesting '%s'... ", filename); + fflush(stdout); + + if(!decoder.is_valid()) + return die_("couldn't allocate decoder instance"); + + decoder.set_md5_checking(true); + decoder.set_metadata_respond_all(); + if((is_ogg? decoder.init_ogg(filename) : decoder.init(filename)) != ::FLAC__STREAM_DECODER_INIT_STATUS_OK) { + (void)decoder.finish(); + return die_("initializing decoder\n"); + } + if(!decoder.process_until_end_of_stream()) { + (void)decoder.finish(); + return die_("decoding file\n"); + } + + (void)decoder.finish(); + + if(decoder.error_occurred_) + return false; + + if(mc_our_block_number_ != our_metadata_.num_blocks) + return die_("short metadata block count"); + + printf("PASSED\n"); + return true; +} + +static bool change_stats_(const char *filename, bool read_only) +{ + if(!grabbag__file_change_stats(filename, read_only)) + return die_("during grabbag__file_change_stats()"); + + return true; +} + +static bool remove_file_(const char *filename) +{ + while(our_metadata_.num_blocks > 0) + delete_from_our_metadata_(0); + + if(!grabbag__file_remove_file(filename)) + return die_("removing file"); + + return true; +} + +static bool test_level_0_() +{ + FLAC::Metadata::StreamInfo streaminfo; + + printf("\n\n++++++ testing level 0 interface\n"); + + if(!generate_file_(/*include_extras=*/true, /*is_ogg=*/false)) + return false; + + if(!test_file_(/*is_ogg=*/false, /*ignore_metadata=*/true)) + return false; + + printf("testing FLAC::Metadata::get_streaminfo()... "); + + if(!FLAC::Metadata::get_streaminfo(flacfilename(/*is_ogg=*/false), streaminfo)) + return die_("during FLAC::Metadata::get_streaminfo()"); + + /* check to see if some basic data matches (c.f. generate_file_()) */ + if(streaminfo.get_channels() != 1) + return die_("mismatch in streaminfo.get_channels()"); + if(streaminfo.get_bits_per_sample() != 8) + return die_("mismatch in streaminfo.get_bits_per_sample()"); + if(streaminfo.get_sample_rate() != 44100) + return die_("mismatch in streaminfo.get_sample_rate()"); + if(streaminfo.get_min_blocksize() != 576) + return die_("mismatch in streaminfo.get_min_blocksize()"); + if(streaminfo.get_max_blocksize() != 576) + return die_("mismatch in streaminfo.get_max_blocksize()"); + + printf("OK\n"); + + { + printf("testing FLAC::Metadata::get_tags(VorbisComment *&)... "); + + FLAC::Metadata::VorbisComment *tags = 0; + + if(!FLAC::Metadata::get_tags(flacfilename(/*is_ogg=*/false), tags)) + return die_("during FLAC::Metadata::get_tags()"); + + /* check to see if some basic data matches (c.f. generate_file_()) */ + if(tags->get_num_comments() != 0) + return die_("mismatch in tags->get_num_comments()"); + + printf("OK\n"); + + delete tags; + } + + { + printf("testing FLAC::Metadata::get_tags(VorbisComment &)... "); + + FLAC::Metadata::VorbisComment tags; + + if(!FLAC::Metadata::get_tags(flacfilename(/*is_ogg=*/false), tags)) + return die_("during FLAC::Metadata::get_tags()"); + + /* check to see if some basic data matches (c.f. generate_file_()) */ + if(tags.get_num_comments() != 0) + return die_("mismatch in tags.get_num_comments()"); + + printf("OK\n"); + } + + { + printf("testing FLAC::Metadata::get_cuesheet(CueSheet *&)... "); + + FLAC::Metadata::CueSheet *cuesheet = 0; + + if(!FLAC::Metadata::get_cuesheet(flacfilename(/*is_ogg=*/false), cuesheet)) + return die_("during FLAC::Metadata::get_cuesheet()"); + + /* check to see if some basic data matches (c.f. generate_file_()) */ + if(cuesheet->get_lead_in() != 123) + return die_("mismatch in cuesheet->get_lead_in()"); + + printf("OK\n"); + + delete cuesheet; + } + + { + printf("testing FLAC::Metadata::get_cuesheet(CueSheet &)... "); + + FLAC::Metadata::CueSheet cuesheet; + + if(!FLAC::Metadata::get_cuesheet(flacfilename(/*is_ogg=*/false), cuesheet)) + return die_("during FLAC::Metadata::get_cuesheet()"); + + /* check to see if some basic data matches (c.f. generate_file_()) */ + if(cuesheet.get_lead_in() != 123) + return die_("mismatch in cuesheet.get_lead_in()"); + + printf("OK\n"); + } + + { + printf("testing FLAC::Metadata::get_picture(Picture *&)... "); + + FLAC::Metadata::Picture *picture = 0; + + if(!FLAC::Metadata::get_picture(flacfilename(/*is_ogg=*/false), picture, /*type=*/(::FLAC__StreamMetadata_Picture_Type)(-1), /*mime_type=*/0, /*description=*/0, /*max_width=*/(uint32_t)(-1), /*max_height=*/(uint32_t)(-1), /*max_depth=*/(uint32_t)(-1), /*max_colors=*/(uint32_t)(-1))) + return die_("during FLAC::Metadata::get_picture()"); + + /* check to see if some basic data matches (c.f. generate_file_()) */ + if(picture->get_type () != ::FLAC__STREAM_METADATA_PICTURE_TYPE_FRONT_COVER) + return die_("mismatch in picture->get_type ()"); + + printf("OK\n"); + + delete picture; + } + + { + printf("testing FLAC::Metadata::get_picture(Picture &)... "); + + FLAC::Metadata::Picture picture; + + if(!FLAC::Metadata::get_picture(flacfilename(/*is_ogg=*/false), picture, /*type=*/(::FLAC__StreamMetadata_Picture_Type)(-1), /*mime_type=*/0, /*description=*/0, /*max_width=*/(uint32_t)(-1), /*max_height=*/(uint32_t)(-1), /*max_depth=*/(uint32_t)(-1), /*max_colors=*/(uint32_t)(-1))) + return die_("during FLAC::Metadata::get_picture()"); + + /* check to see if some basic data matches (c.f. generate_file_()) */ + if(picture.get_type () != ::FLAC__STREAM_METADATA_PICTURE_TYPE_FRONT_COVER) + return die_("mismatch in picture->get_type ()"); + + printf("OK\n"); + } + + if(!remove_file_(flacfilename(/*is_ogg=*/false))) + return false; + + return true; +} + +static bool test_level_1_() +{ + FLAC::Metadata::Prototype *block; + FLAC::Metadata::StreamInfo *streaminfo; + FLAC::Metadata::Padding *padding; + FLAC::Metadata::Application *app; + FLAC__byte data[1000]; + uint32_t our_current_position = 0; + + // initialize 'data' to avoid Valgrind errors + memset(data, 0, sizeof(data)); + + printf("\n\n++++++ testing level 1 interface\n"); + + /************************************************************/ + { + printf("simple iterator on read-only file\n"); + + if(!generate_file_(/*include_extras=*/false, /*is_ogg=*/false)) + return false; + + if(!change_stats_(flacfilename(/*is_ogg=*/false), /*read_only=*/true)) + return false; + + if(!test_file_(/*is_ogg=*/false, /*ignore_metadata=*/true)) + return false; + + FLAC::Metadata::SimpleIterator iterator; + + if(!iterator.is_valid()) + return die_("iterator.is_valid() returned false"); + + if(!iterator.init(flacfilename(/*is_ogg=*/false), /*read_only=*/false, /*preserve_file_stats=*/false)) + return die_("iterator.init() returned false"); + + printf("is writable = %u\n", (uint32_t)iterator.is_writable()); + if(iterator.is_writable()) + return die_("iterator claims file is writable when tester thinks it should not be; are you running as root?\n"); + + printf("iterate forwards\n"); + + if(iterator.get_block_type() != ::FLAC__METADATA_TYPE_STREAMINFO) + return die_("expected STREAMINFO type from iterator.get_block_type()"); + if(0 == (block = iterator.get_block())) + return die_("getting block 0"); + if(block->get_type() != ::FLAC__METADATA_TYPE_STREAMINFO) + return die_("expected STREAMINFO type"); + if(block->get_is_last()) + return die_("expected is_last to be false"); + if(block->get_length() != FLAC__STREAM_METADATA_STREAMINFO_LENGTH) + return die_("bad STREAMINFO length"); + /* check to see if some basic data matches (c.f. generate_file_()) */ + streaminfo = dynamic_cast<FLAC::Metadata::StreamInfo *>(block); + FLAC__ASSERT(0 != streaminfo); + if(streaminfo->get_channels() != 1) + return die_("mismatch in channels"); + if(streaminfo->get_bits_per_sample() != 8) + return die_("mismatch in bits_per_sample"); + if(streaminfo->get_sample_rate() != 44100) + return die_("mismatch in sample_rate"); + if(streaminfo->get_min_blocksize() != 576) + return die_("mismatch in min_blocksize"); + if(streaminfo->get_max_blocksize() != 576) + return die_("mismatch in max_blocksize"); + // we will delete streaminfo a little later when we're really done with it... + + if(!iterator.next()) + return die_("forward iterator ended early"); + our_current_position++; + + if(!iterator.next()) + return die_("forward iterator ended early"); + our_current_position++; + + if(iterator.get_block_type() != ::FLAC__METADATA_TYPE_PADDING) + return die_("expected PADDING type from iterator.get_block_type()"); + if(0 == (block = iterator.get_block())) + return die_("getting block 1"); + if(block->get_type() != ::FLAC__METADATA_TYPE_PADDING) + return die_("expected PADDING type"); + if(!block->get_is_last()) + return die_("expected is_last to be true"); + /* check to see if some basic data matches (c.f. generate_file_()) */ + if(block->get_length() != 1234) + return die_("bad PADDING length"); + delete block; + + if(iterator.next()) + return die_("forward iterator returned true but should have returned false"); + + printf("iterate backwards\n"); + if(!iterator.prev()) + return die_("reverse iterator ended early"); + if(!iterator.prev()) + return die_("reverse iterator ended early"); + if(iterator.prev()) + return die_("reverse iterator returned true but should have returned false"); + + printf("testing iterator.set_block() on read-only file...\n"); + + if(!iterator.set_block(streaminfo, false)) + printf("PASSED. iterator.set_block() returned false like it should\n"); + else + return die_("iterator.set_block() returned true but shouldn't have"); + delete streaminfo; + } + + /************************************************************/ + { + printf("simple iterator on writable file\n"); + + if(!change_stats_(flacfilename(/*is_ogg=*/false), /*read-only=*/false)) + return false; + + printf("creating APPLICATION block\n"); + + if(0 == (app = new FLAC::Metadata::Application())) + return die_("new FLAC::Metadata::Application()"); + app->set_id((const uint8_t *)"duh"); + + printf("creating PADDING block\n"); + + if(0 == (padding = new FLAC::Metadata::Padding())) { + delete app; + return die_("new FLAC::Metadata::Padding()"); + } + padding->set_length(20); + + FLAC::Metadata::SimpleIterator iterator; + + if(!iterator.is_valid()) { + delete app; + delete padding; + return die_("iterator.is_valid() returned false"); + } + + if(!iterator.init(flacfilename(/*is_ogg=*/false), /*read_only=*/false, /*preserve_file_stats=*/false)) { + delete app; + delete padding; + return die_("iterator.init() returned false"); + } + our_current_position = 0; + + printf("is writable = %u\n", (uint32_t)iterator.is_writable()); + + printf("[S]VP\ttry to write over STREAMINFO block...\n"); + if(!iterator.set_block(app, false)) + printf("\titerator.set_block() returned false like it should\n"); + else { + delete app; + delete padding; + return die_("iterator.set_block() returned true but shouldn't have"); + } + + if(iterator.status() != FLAC__METADATA_SIMPLE_ITERATOR_STATUS_ILLEGAL_INPUT) + return die_("iterator.status() should have been FLAC__METADATA_SIMPLE_ITERATOR_STATUS_ILLEGAL_INPUT"); + + printf("[S]VP\tnext\n"); + if(!iterator.next()) { + delete app; + delete padding; + return die_("iterator ended early\n"); + } + our_current_position++; + + printf("S[V]P\tnext\n"); + if(!iterator.next()) { + delete app; + delete padding; + return die_("iterator ended early\n"); + } + our_current_position++; + + printf("SV[P]\tinsert PADDING after, don't expand into padding\n"); + padding->set_length(25); + if(!iterator.insert_block_after(padding, false)) + return die_ss_("iterator.insert_block_after(padding, false)", iterator); + if(!insert_to_our_metadata_(padding, ++our_current_position, /*copy=*/true)) + return false; + + printf("SVP[P]\tprev\n"); + if(!iterator.prev()) + return die_("iterator ended early\n"); + our_current_position--; + + printf("SV[P]P\tprev\n"); + if(!iterator.prev()) + return die_("iterator ended early\n"); + our_current_position--; + + printf("S[V]PP\tinsert PADDING after, don't expand into padding\n"); + padding->set_length(30); + if(!iterator.insert_block_after(padding, false)) + return die_ss_("iterator.insert_block_after(padding, false)", iterator); + if(!insert_to_our_metadata_(padding, ++our_current_position, /*copy=*/true)) + return false; + + if(!test_file_(/*is_ogg=*/false, /*ignore_metadata=*/false)) + return false; + + printf("SV[P]PP\tprev\n"); + if(!iterator.prev()) + return die_("iterator ended early\n"); + our_current_position--; + + printf("S[V]PPP\tprev\n"); + if(!iterator.prev()) + return die_("iterator ended early\n"); + our_current_position--; + + printf("[S]VPPP\tdelete (STREAMINFO block), must fail\n"); + if(iterator.delete_block(false)) + return die_ss_("iterator.delete_block(false) should have returned false", iterator); + + if(iterator.status() != FLAC__METADATA_SIMPLE_ITERATOR_STATUS_ILLEGAL_INPUT) + return die_("iterator.status() should have been FLAC__METADATA_SIMPLE_ITERATOR_STATUS_ILLEGAL_INPUT"); + + if(!test_file_(/*is_ogg=*/false, /*ignore_metadata=*/false)) + return false; + + printf("[S]VPPP\tnext\n"); + if(!iterator.next()) + return die_("iterator ended early\n"); + our_current_position++; + + printf("S[V]PPP\tnext\n"); + if(!iterator.next()) + return die_("iterator ended early\n"); + our_current_position++; + + printf("SV[P]PP\tdelete (middle block), replace with padding\n"); + if(!iterator.delete_block(true)) + return die_ss_("iterator.delete_block(true)", iterator); + our_current_position--; + + printf("S[V]PPP\tnext\n"); + if(!iterator.next()) + return die_("iterator ended early\n"); + our_current_position++; + + printf("SV[P]PP\tdelete (middle block), don't replace with padding\n"); + if(!iterator.delete_block(false)) + return die_ss_("iterator.delete_block(false)", iterator); + delete_from_our_metadata_(our_current_position--); + + if(!test_file_(/*is_ogg=*/false, /*ignore_metadata=*/false)) + return false; + + printf("S[V]PP\tnext\n"); + if(!iterator.next()) + return die_("iterator ended early\n"); + our_current_position++; + + printf("SV[P]P\tnext\n"); + if(!iterator.next()) + return die_("iterator ended early\n"); + our_current_position++; + + printf("SVP[P]\tdelete (last block), replace with padding\n"); + if(!iterator.delete_block(true)) + return die_ss_("iterator.delete_block(false)", iterator); + our_current_position--; + + if(!test_file_(/*is_ogg=*/false, /*ignore_metadata=*/false)) + return false; + + printf("SV[P]P\tnext\n"); + if(!iterator.next()) + return die_("iterator ended early\n"); + our_current_position++; + + printf("SVP[P]\tdelete (last block), don't replace with padding\n"); + if(!iterator.delete_block(false)) + return die_ss_("iterator.delete_block(false)", iterator); + delete_from_our_metadata_(our_current_position--); + + if(!test_file_(/*is_ogg=*/false, /*ignore_metadata=*/false)) + return false; + + printf("SV[P]\tprev\n"); + if(!iterator.prev()) + return die_("iterator ended early\n"); + our_current_position--; + + printf("S[V]P\tprev\n"); + if(!iterator.prev()) + return die_("iterator ended early\n"); + our_current_position--; + + printf("[S]VP\tset STREAMINFO (change sample rate)\n"); + FLAC__ASSERT(our_current_position == 0); + block = iterator.get_block(); + streaminfo = dynamic_cast<FLAC::Metadata::StreamInfo *>(block); + FLAC__ASSERT(0 != streaminfo); + streaminfo->set_sample_rate(32000); + if(!replace_in_our_metadata_(block, our_current_position, /*copy=*/true)) + return die_("copying object"); + if(!iterator.set_block(block, false)) + return die_ss_("iterator.set_block(block, false)", iterator); + delete block; + + if(!test_file_(/*is_ogg=*/false, /*ignore_metadata=*/false)) + return false; + + printf("[S]VP\tnext\n"); + if(!iterator.next()) + return die_("iterator ended early\n"); + our_current_position++; + + printf("S[V]P\tinsert APPLICATION after, expand into padding of exceeding size\n"); + app->set_id((const uint8_t *)"euh"); /* twiddle the id so that our comparison doesn't miss transposition */ + if(!iterator.insert_block_after(app, true)) + return die_ss_("iterator.insert_block_after(app, true)", iterator); + if(!insert_to_our_metadata_(app, ++our_current_position, /*copy=*/true)) + return false; + add_to_padding_length_(our_current_position+1, -((int)(FLAC__STREAM_METADATA_APPLICATION_ID_LEN/8) + (int)app->get_length())); + + if(!test_file_(/*is_ogg=*/false, /*ignore_metadata=*/false)) + return false; + + printf("SV[A]P\tnext\n"); + if(!iterator.next()) + return die_("iterator ended early\n"); + our_current_position++; + + printf("SVA[P]\tset APPLICATION, expand into padding of exceeding size\n"); + app->set_id((const uint8_t *)"fuh"); /* twiddle the id */ + if(!iterator.set_block(app, true)) + return die_ss_("iterator.set_block(app, true)", iterator); + if(!insert_to_our_metadata_(app, our_current_position, /*copy=*/true)) + return false; + add_to_padding_length_(our_current_position+1, -((int)(FLAC__STREAM_METADATA_APPLICATION_ID_LEN/8) + (int)app->get_length())); + + if(!test_file_(/*is_ogg=*/false, /*ignore_metadata=*/false)) + return false; + + printf("SVA[A]P\tset APPLICATION (grow), don't expand into padding\n"); + app->set_id((const uint8_t *)"guh"); /* twiddle the id */ + if(!app->set_data(data, sizeof(data), true)) + return die_("setting APPLICATION data"); + if(!replace_in_our_metadata_(app, our_current_position, /*copy=*/true)) + return die_("copying object"); + if(!iterator.set_block(app, false)) + return die_ss_("iterator.set_block(app, false)", iterator); + + if(!test_file_(/*is_ogg=*/false, /*ignore_metadata=*/false)) + return false; + + printf("SVA[A]P\tset APPLICATION (shrink), don't fill in with padding\n"); + app->set_id((const uint8_t *)"huh"); /* twiddle the id */ + if(!app->set_data(data, 12, true)) + return die_("setting APPLICATION data"); + if(!replace_in_our_metadata_(app, our_current_position, /*copy=*/true)) + return die_("copying object"); + if(!iterator.set_block(app, false)) + return die_ss_("iterator.set_block(app, false)", iterator); + + if(!test_file_(/*is_ogg=*/false, /*ignore_metadata=*/false)) + return false; + + printf("SVA[A]P\tset APPLICATION (grow), expand into padding of exceeding size\n"); + app->set_id((const uint8_t *)"iuh"); /* twiddle the id */ + if(!app->set_data(data, sizeof(data), true)) + return die_("setting APPLICATION data"); + if(!replace_in_our_metadata_(app, our_current_position, /*copy=*/true)) + return die_("copying object"); + add_to_padding_length_(our_current_position+1, -((int)sizeof(data) - 12)); + if(!iterator.set_block(app, true)) + return die_ss_("iterator.set_block(app, true)", iterator); + + if(!test_file_(/*is_ogg=*/false, /*ignore_metadata=*/false)) + return false; + + printf("SVA[A]P\tset APPLICATION (shrink), fill in with padding\n"); + app->set_id((const uint8_t *)"juh"); /* twiddle the id */ + if(!app->set_data(data, 23, true)) + return die_("setting APPLICATION data"); + if(!replace_in_our_metadata_(app, our_current_position, /*copy=*/true)) + return die_("copying object"); + if(!insert_to_our_metadata_(padding, our_current_position+1, /*copy=*/true)) + return die_("copying object"); + dynamic_cast<FLAC::Metadata::Padding *>(our_metadata_.blocks[our_current_position+1])->set_length(sizeof(data) - 23 - FLAC__STREAM_METADATA_HEADER_LENGTH); + if(!iterator.set_block(app, true)) + return die_ss_("iterator.set_block(app, true)", iterator); + + if(!test_file_(/*is_ogg=*/false, /*ignore_metadata=*/false)) + return false; + + printf("SVA[A]PP\tnext\n"); + if(!iterator.next()) + return die_("iterator ended early\n"); + our_current_position++; + + printf("SVAA[P]P\tnext\n"); + if(!iterator.next()) + return die_("iterator ended early\n"); + our_current_position++; + + printf("SVAAP[P]\tset PADDING (shrink), don't fill in with padding\n"); + padding->set_length(5); + if(!replace_in_our_metadata_(padding, our_current_position, /*copy=*/true)) + return die_("copying object"); + if(!iterator.set_block(padding, false)) + return die_ss_("iterator.set_block(padding, false)", iterator); + + if(!test_file_(/*is_ogg=*/false, /*ignore_metadata=*/false)) + return false; + + printf("SVAAP[P]\tset APPLICATION (grow)\n"); + app->set_id((const uint8_t *)"kuh"); /* twiddle the id */ + if(!replace_in_our_metadata_(app, our_current_position, /*copy=*/true)) + return die_("copying object"); + if(!iterator.set_block(app, false)) + return die_ss_("iterator.set_block(app, false)", iterator); + + if(!test_file_(/*is_ogg=*/false, /*ignore_metadata=*/false)) + return false; + + printf("SVAAP[A]\tset PADDING (equal)\n"); + padding->set_length(27); + if(!replace_in_our_metadata_(padding, our_current_position, /*copy=*/true)) + return die_("copying object"); + if(!iterator.set_block(padding, false)) + return die_ss_("iterator.set_block(padding, false)", iterator); + + if(!test_file_(/*is_ogg=*/false, /*ignore_metadata=*/false)) + return false; + + printf("SVAAP[P]\tprev\n"); + if(!iterator.prev()) + return die_("iterator ended early\n"); + our_current_position--; + + printf("SVAA[P]P\tdelete (middle block), don't replace with padding\n"); + if(!iterator.delete_block(false)) + return die_ss_("iterator.delete_block(false)", iterator); + delete_from_our_metadata_(our_current_position--); + + if(!test_file_(/*is_ogg=*/false, /*ignore_metadata=*/false)) + return false; + + printf("SVA[A]P\tdelete (middle block), don't replace with padding\n"); + if(!iterator.delete_block(false)) + return die_ss_("iterator.delete_block(false)", iterator); + delete_from_our_metadata_(our_current_position--); + + if(!test_file_(/*is_ogg=*/false, /*ignore_metadata=*/false)) + return false; + + printf("SV[A]P\tnext\n"); + if(!iterator.next()) + return die_("iterator ended early\n"); + our_current_position++; + + printf("SVA[P]\tinsert PADDING after\n"); + padding->set_length(5); + if(!iterator.insert_block_after(padding, false)) + return die_ss_("iterator.insert_block_after(padding, false)", iterator); + if(!insert_to_our_metadata_(padding, ++our_current_position, /*copy=*/true)) + return false; + + if(!test_file_(/*is_ogg=*/false, /*ignore_metadata=*/false)) + return false; + + printf("SVAP[P]\tprev\n"); + if(!iterator.prev()) + return die_("iterator ended early\n"); + our_current_position--; + + printf("SVA[P]P\tprev\n"); + if(!iterator.prev()) + return die_("iterator ended early\n"); + our_current_position--; + + printf("SV[A]PP\tset APPLICATION (grow), try to expand into padding which is too small\n"); + if(!app->set_data(data, 32, true)) + return die_("setting APPLICATION data"); + if(!replace_in_our_metadata_(app, our_current_position, /*copy=*/true)) + return die_("copying object"); + if(!iterator.set_block(app, true)) + return die_ss_("iterator.set_block(app, true)", iterator); + + if(!test_file_(/*is_ogg=*/false, /*ignore_metadata=*/false)) + return false; + + printf("SV[A]PP\tset APPLICATION (grow), try to expand into padding which is 'close' but still too small\n"); + if(!app->set_data(data, 60, true)) + return die_("setting APPLICATION data"); + if(!replace_in_our_metadata_(app, our_current_position, /*copy=*/true)) + return die_("copying object"); + if(!iterator.set_block(app, true)) + return die_ss_("iterator.set_block(app, true)", iterator); + + if(!test_file_(/*is_ogg=*/false, /*ignore_metadata=*/false)) + return false; + + printf("SV[A]PP\tset APPLICATION (grow), expand into padding which will leave 0-length pad\n"); + if(!app->set_data(data, 87, true)) + return die_("setting APPLICATION data"); + if(!replace_in_our_metadata_(app, our_current_position, /*copy=*/true)) + return die_("copying object"); + dynamic_cast<FLAC::Metadata::Padding *>(our_metadata_.blocks[our_current_position+1])->set_length(0); + if(!iterator.set_block(app, true)) + return die_ss_("iterator.set_block(app, true)", iterator); + + if(!test_file_(/*is_ogg=*/false, /*ignore_metadata=*/false)) + return false; + + printf("SV[A]PP\tset APPLICATION (grow), expand into padding which is exactly consumed\n"); + if(!app->set_data(data, 91, true)) + return die_("setting APPLICATION data"); + if(!replace_in_our_metadata_(app, our_current_position, /*copy=*/true)) + return die_("copying object"); + delete_from_our_metadata_(our_current_position+1); + if(!iterator.set_block(app, true)) + return die_ss_("iterator.set_block(app, true)", iterator); + + if(!test_file_(/*is_ogg=*/false, /*ignore_metadata=*/false)) + return false; + + printf("SV[A]P\tset APPLICATION (grow), expand into padding which is exactly consumed\n"); + if(!app->set_data(data, 100, true)) + return die_("setting APPLICATION data"); + if(!replace_in_our_metadata_(app, our_current_position, /*copy=*/true)) + return die_("copying object"); + delete_from_our_metadata_(our_current_position+1); + our_metadata_.blocks[our_current_position]->set_is_last(true); + if(!iterator.set_block(app, true)) + return die_ss_("iterator.set_block(app, true)", iterator); + + if(!test_file_(/*is_ogg=*/false, /*ignore_metadata=*/false)) + return false; + + printf("SV[A]\tset PADDING (equal size)\n"); + padding->set_length(app->get_length()); + if(!replace_in_our_metadata_(padding, our_current_position, /*copy=*/true)) + return die_("copying object"); + if(!iterator.set_block(padding, true)) + return die_ss_("iterator.set_block(padding, true)", iterator); + + if(!test_file_(/*is_ogg=*/false, /*ignore_metadata=*/false)) + return false; + + printf("SV[P]\tinsert PADDING after\n"); + if(!iterator.insert_block_after(padding, false)) + return die_ss_("iterator.insert_block_after(padding, false)", iterator); + if(!insert_to_our_metadata_(padding, ++our_current_position, /*copy=*/true)) + return false; + + if(!test_file_(/*is_ogg=*/false, /*ignore_metadata=*/false)) + return false; + + printf("SVP[P]\tinsert PADDING after\n"); + padding->set_length(5); + if(!iterator.insert_block_after(padding, false)) + return die_ss_("iterator.insert_block_after(padding, false)", iterator); + if(!insert_to_our_metadata_(padding, ++our_current_position, /*copy=*/true)) + return false; + + if(!test_file_(/*is_ogg=*/false, /*ignore_metadata=*/false)) + return false; + + printf("SVPP[P]\tprev\n"); + if(!iterator.prev()) + return die_("iterator ended early\n"); + our_current_position--; + + printf("SVP[P]P\tprev\n"); + if(!iterator.prev()) + return die_("iterator ended early\n"); + our_current_position--; + + printf("SV[P]PP\tprev\n"); + if(!iterator.prev()) + return die_("iterator ended early\n"); + our_current_position--; + + printf("S[V]PPP\tinsert APPLICATION after, try to expand into padding which is too small\n"); + if(!app->set_data(data, 101, true)) + return die_("setting APPLICATION data"); + if(!insert_to_our_metadata_(app, ++our_current_position, /*copy=*/true)) + return die_("copying object"); + if(!iterator.insert_block_after(app, true)) + return die_ss_("iterator.insert_block_after(app, true)", iterator); + + if(!test_file_(/*is_ogg=*/false, /*ignore_metadata=*/false)) + return false; + + printf("SV[A]PPP\tdelete (middle block), don't replace with padding\n"); + if(!iterator.delete_block(false)) + return die_ss_("iterator.delete_block(false)", iterator); + delete_from_our_metadata_(our_current_position--); + + if(!test_file_(/*is_ogg=*/false, /*ignore_metadata=*/false)) + return false; + + printf("S[V]PPP\tinsert APPLICATION after, try to expand into padding which is 'close' but still too small\n"); + if(!app->set_data(data, 97, true)) + return die_("setting APPLICATION data"); + if(!insert_to_our_metadata_(app, ++our_current_position, /*copy=*/true)) + return die_("copying object"); + if(!iterator.insert_block_after(app, true)) + return die_ss_("iterator.insert_block_after(app, true)", iterator); + + if(!test_file_(/*is_ogg=*/false, /*ignore_metadata=*/false)) + return false; + + printf("SV[A]PPP\tdelete (middle block), don't replace with padding\n"); + if(!iterator.delete_block(false)) + return die_ss_("iterator.delete_block(false)", iterator); + delete_from_our_metadata_(our_current_position--); + + if(!test_file_(/*is_ogg=*/false, /*ignore_metadata=*/false)) + return false; + + printf("S[V]PPP\tinsert APPLICATION after, expand into padding which is exactly consumed\n"); + if(!app->set_data(data, 100, true)) + return die_("setting APPLICATION data"); + if(!insert_to_our_metadata_(app, ++our_current_position, /*copy=*/true)) + return die_("copying object"); + delete_from_our_metadata_(our_current_position+1); + if(!iterator.insert_block_after(app, true)) + return die_ss_("iterator.insert_block_after(app, true)", iterator); + + if(!test_file_(/*is_ogg=*/false, /*ignore_metadata=*/false)) + return false; + + printf("SV[A]PP\tdelete (middle block), don't replace with padding\n"); + if(!iterator.delete_block(false)) + return die_ss_("iterator.delete_block(false)", iterator); + delete_from_our_metadata_(our_current_position--); + + if(!test_file_(/*is_ogg=*/false, /*ignore_metadata=*/false)) + return false; + + printf("S[V]PP\tinsert APPLICATION after, expand into padding which will leave 0-length pad\n"); + if(!app->set_data(data, 96, true)) + return die_("setting APPLICATION data"); + if(!insert_to_our_metadata_(app, ++our_current_position, /*copy=*/true)) + return die_("copying object"); + dynamic_cast<FLAC::Metadata::Padding *>(our_metadata_.blocks[our_current_position+1])->set_length(0); + if(!iterator.insert_block_after(app, true)) + return die_ss_("iterator.insert_block_after(app, true)", iterator); + + if(!test_file_(/*is_ogg=*/false, /*ignore_metadata=*/false)) + return false; + + printf("SV[A]PP\tdelete (middle block), don't replace with padding\n"); + if(!iterator.delete_block(false)) + return die_ss_("iterator.delete_block(false)", iterator); + delete_from_our_metadata_(our_current_position--); + + if(!test_file_(/*is_ogg=*/false, /*ignore_metadata=*/false)) + return false; + + printf("S[V]PP\tnext\n"); + if(!iterator.next()) + return die_("iterator ended early\n"); + our_current_position++; + + printf("SV[P]P\tdelete (middle block), don't replace with padding\n"); + if(!iterator.delete_block(false)) + return die_ss_("iterator.delete_block(false)", iterator); + delete_from_our_metadata_(our_current_position--); + + if(!test_file_(/*is_ogg=*/false, /*ignore_metadata=*/false)) + return false; + + printf("S[V]P\tinsert APPLICATION after, expand into padding which is exactly consumed\n"); + if(!app->set_data(data, 1, true)) + return die_("setting APPLICATION data"); + if(!insert_to_our_metadata_(app, ++our_current_position, /*copy=*/true)) + return die_("copying object"); + delete_from_our_metadata_(our_current_position+1); + if(!iterator.insert_block_after(app, true)) + return die_ss_("iterator.insert_block_after(app, true)", iterator); + + if(!test_file_(/*is_ogg=*/false, /*ignore_metadata=*/false)) + return false; + } + + delete app; + delete padding; + + if(!remove_file_(flacfilename(/*is_ogg=*/false))) + return false; + + return true; +} + +static bool test_level_2_(bool filename_based, bool is_ogg) +{ + FLAC::Metadata::Prototype *block; + FLAC::Metadata::StreamInfo *streaminfo; + FLAC::Metadata::Application *app; + FLAC::Metadata::Padding *padding; + FLAC__byte data[2000]; + uint32_t our_current_position; + + // initialize 'data' to avoid Valgrind errors + memset(data, 0, sizeof(data)); + + printf("\n\n++++++ testing level 2 interface (%s-based, %s FLAC)\n", filename_based? "filename":"callback", is_ogg? "Ogg":"native"); + + printf("generate read-only file\n"); + + if(!generate_file_(/*include_extras=*/false, is_ogg)) + return false; + + if(!change_stats_(flacfilename(is_ogg), /*read_only=*/true)) + return false; + + printf("create chain\n"); + FLAC::Metadata::Chain chain; + if(!chain.is_valid()) + return die_("allocating memory for chain"); + + printf("read chain\n"); + + if(!read_chain_(chain, flacfilename(is_ogg), filename_based, is_ogg)) + return die_c_("reading chain", chain.status()); + + printf("[S]VP\ttest initial metadata\n"); + + if(!compare_chain_(chain, 0, 0)) + return false; + if(!test_file_(is_ogg, /*ignore_metadata=*/false)) + return false; + + if(is_ogg) + goto end; + + printf("switch file to read-write\n"); + + if(!change_stats_(flacfilename(is_ogg), /*read-only=*/false)) + return false; + + printf("create iterator\n"); + { + FLAC::Metadata::Iterator iterator; + if(!iterator.is_valid()) + return die_("allocating memory for iterator"); + + our_current_position = 0; + + iterator.init(chain); + + if(0 == (block = iterator.get_block())) + return die_("getting block from iterator"); + + FLAC__ASSERT(block->get_type() == FLAC__METADATA_TYPE_STREAMINFO); + + printf("[S]VP\tmodify STREAMINFO, write\n"); + + streaminfo = dynamic_cast<FLAC::Metadata::StreamInfo *>(block); + FLAC__ASSERT(0 != streaminfo); + streaminfo->set_sample_rate(32000); + if(!replace_in_our_metadata_(block, our_current_position, /*copy=*/true)) + return die_("copying object"); + delete block; + + if(!write_chain_(chain, /*use_padding=*/false, /*preserve_file_stats=*/true, filename_based, flacfilename(is_ogg))) + return die_c_("during chain.write(false, true)", chain.status()); + block = iterator.get_block(); + if(!compare_chain_(chain, our_current_position, block)) + return false; + delete block; + if(!test_file_(is_ogg, /*ignore_metadata=*/false)) + return false; + + printf("[S]VP\tnext\n"); + if(!iterator.next()) + return die_("iterator ended early\n"); + our_current_position++; + + printf("S[V]P\tnext\n"); + if(!iterator.next()) + return die_("iterator ended early\n"); + our_current_position++; + + printf("SV[P]\treplace PADDING with identical-size APPLICATION\n"); + if(0 == (block = iterator.get_block())) + return die_("getting block from iterator"); + if(0 == (app = new FLAC::Metadata::Application())) + return die_("new FLAC::Metadata::Application()"); + app->set_id((const uint8_t *)"duh"); + if(!app->set_data(data, block->get_length()-(FLAC__STREAM_METADATA_APPLICATION_ID_LEN/8), true)) + return die_("setting APPLICATION data"); + delete block; + if(!replace_in_our_metadata_(app, our_current_position, /*copy=*/true)) + return die_("copying object"); + if(!iterator.set_block(app)) + return die_c_("iterator.set_block(app)", chain.status()); + + if(!write_chain_(chain, /*use_padding=*/false, /*preserve_file_stats=*/false, filename_based, flacfilename(is_ogg))) + return die_c_("during chain.write(false, false)", chain.status()); + block = iterator.get_block(); + if(!compare_chain_(chain, our_current_position, block)) + return false; + delete block; + if(!test_file_(is_ogg, /*ignore_metadata=*/false)) + return false; + + printf("SV[A]\tshrink APPLICATION, don't use padding\n"); + if(0 == (app = dynamic_cast<FLAC::Metadata::Application *>(FLAC::Metadata::clone(our_metadata_.blocks[our_current_position])))) + return die_("copying object"); + if(!app->set_data(data, 26, true)) + return die_("setting APPLICATION data"); + if(!replace_in_our_metadata_(app, our_current_position, /*copy=*/true)) + return die_("copying object"); + if(!iterator.set_block(app)) + return die_c_("iterator.set_block(app)", chain.status()); + + if(!write_chain_(chain, /*use_padding=*/false, /*preserve_file_stats=*/false, filename_based, flacfilename(is_ogg))) + return die_c_("during chain.write(false, false)", chain.status()); + block = iterator.get_block(); + if(!compare_chain_(chain, our_current_position, block)) + return false; + delete block; + if(!test_file_(is_ogg, /*ignore_metadata=*/false)) + return false; + + printf("SV[A]\tgrow APPLICATION, don't use padding\n"); + if(0 == (app = dynamic_cast<FLAC::Metadata::Application *>(FLAC::Metadata::clone(our_metadata_.blocks[our_current_position])))) + return die_("copying object"); + if(!app->set_data(data, 28, true)) + return die_("setting APPLICATION data"); + if(!replace_in_our_metadata_(app, our_current_position, /*copy=*/true)) + return die_("copying object"); + if(!iterator.set_block(app)) + return die_c_("iterator.set_block(app)", chain.status()); + + if(!write_chain_(chain, /*use_padding=*/false, /*preserve_file_stats=*/false, filename_based, flacfilename(is_ogg))) + return die_c_("during chain.write(false, false)", chain.status()); + block = iterator.get_block(); + if(!compare_chain_(chain, our_current_position, block)) + return false; + delete block; + if(!test_file_(is_ogg, /*ignore_metadata=*/false)) + return false; + + printf("SV[A]\tgrow APPLICATION, use padding, but last block is not padding\n"); + if(0 == (app = dynamic_cast<FLAC::Metadata::Application *>(FLAC::Metadata::clone(our_metadata_.blocks[our_current_position])))) + return die_("copying object"); + if(!app->set_data(data, 36, true)) + return die_("setting APPLICATION data"); + if(!replace_in_our_metadata_(app, our_current_position, /*copy=*/true)) + return die_("copying object"); + if(!iterator.set_block(app)) + return die_c_("iterator.set_block(app)", chain.status()); + + if(!write_chain_(chain, /*use_padding=*/false, /*preserve_file_stats=*/false, filename_based, flacfilename(is_ogg))) + return die_c_("during chain.write(false, false)", chain.status()); + block = iterator.get_block(); + if(!compare_chain_(chain, our_current_position, block)) + return false; + delete block; + if(!test_file_(is_ogg, /*ignore_metadata=*/false)) + return false; + + printf("SV[A]\tshrink APPLICATION, use padding, last block is not padding, but delta is too small for new PADDING block\n"); + if(0 == (app = dynamic_cast<FLAC::Metadata::Application *>(FLAC::Metadata::clone(our_metadata_.blocks[our_current_position])))) + return die_("copying object"); + if(!app->set_data(data, 33, true)) + return die_("setting APPLICATION data"); + if(!replace_in_our_metadata_(app, our_current_position, /*copy=*/true)) + return die_("copying object"); + if(!iterator.set_block(app)) + return die_c_("iterator.set_block(app)", chain.status()); + + if(!write_chain_(chain, /*use_padding=*/true, /*preserve_file_stats=*/false, filename_based, flacfilename(is_ogg))) + return die_c_("during chain.write(true, false)", chain.status()); + block = iterator.get_block(); + if(!compare_chain_(chain, our_current_position, block)) + return false; + delete block; + if(!test_file_(is_ogg, /*ignore_metadata=*/false)) + return false; + + printf("SV[A]\tshrink APPLICATION, use padding, last block is not padding, delta is enough for new PADDING block\n"); + if(0 == (padding = new FLAC::Metadata::Padding())) + return die_("creating PADDING block"); + if(0 == (app = dynamic_cast<FLAC::Metadata::Application *>(FLAC::Metadata::clone(our_metadata_.blocks[our_current_position])))) + return die_("copying object"); + if(!app->set_data(data, 29, true)) + return die_("setting APPLICATION data"); + if(!replace_in_our_metadata_(app, our_current_position, /*copy=*/true)) + return die_("copying object"); + padding->set_length(0); + if(!insert_to_our_metadata_(padding, our_current_position+1, /*copy=*/false)) + return die_("internal error"); + if(!iterator.set_block(app)) + return die_c_("iterator.set_block(app)", chain.status()); + + if(!write_chain_(chain, /*use_padding=*/true, /*preserve_file_stats=*/false, filename_based, flacfilename(is_ogg))) + return die_c_("during chain.write(true, false)", chain.status()); + block = iterator.get_block(); + if(!compare_chain_(chain, our_current_position, block)) + return false; + delete block; + if(!test_file_(is_ogg, /*ignore_metadata=*/false)) + return false; + + printf("SV[A]P\tshrink APPLICATION, use padding, last block is padding\n"); + if(0 == (app = dynamic_cast<FLAC::Metadata::Application *>(FLAC::Metadata::clone(our_metadata_.blocks[our_current_position])))) + return die_("copying object"); + if(!app->set_data(data, 16, true)) + return die_("setting APPLICATION data"); + if(!replace_in_our_metadata_(app, our_current_position, /*copy=*/true)) + return die_("copying object"); + dynamic_cast<FLAC::Metadata::Padding *>(our_metadata_.blocks[our_current_position+1])->set_length(13); + if(!iterator.set_block(app)) + return die_c_("iterator.set_block(app)", chain.status()); + + if(!write_chain_(chain, /*use_padding=*/true, /*preserve_file_stats=*/false, filename_based, flacfilename(is_ogg))) + return die_c_("during chain.write(true, false)", chain.status()); + block = iterator.get_block(); + if(!compare_chain_(chain, our_current_position, block)) + return false; + delete block; + if(!test_file_(is_ogg, /*ignore_metadata=*/false)) + return false; + + printf("SV[A]P\tgrow APPLICATION, use padding, last block is padding, but delta is too small\n"); + if(0 == (app = dynamic_cast<FLAC::Metadata::Application *>(FLAC::Metadata::clone(our_metadata_.blocks[our_current_position])))) + return die_("copying object"); + if(!app->set_data(data, 50, true)) + return die_("setting APPLICATION data"); + if(!replace_in_our_metadata_(app, our_current_position, /*copy=*/true)) + return die_("copying object"); + if(!iterator.set_block(app)) + return die_c_("iterator.set_block(app)", chain.status()); + + if(!write_chain_(chain, /*use_padding=*/true, /*preserve_file_stats=*/false, filename_based, flacfilename(is_ogg))) + return die_c_("during chain.write(true, false)", chain.status()); + block = iterator.get_block(); + if(!compare_chain_(chain, our_current_position, block)) + return false; + delete block; + if(!test_file_(is_ogg, /*ignore_metadata=*/false)) + return false; + + printf("SV[A]P\tgrow APPLICATION, use padding, last block is padding of exceeding size\n"); + if(0 == (app = dynamic_cast<FLAC::Metadata::Application *>(FLAC::Metadata::clone(our_metadata_.blocks[our_current_position])))) + return die_("copying object"); + if(!app->set_data(data, 56, true)) + return die_("setting APPLICATION data"); + if(!replace_in_our_metadata_(app, our_current_position, /*copy=*/true)) + return die_("copying object"); + add_to_padding_length_(our_current_position+1, -(56 - 50)); + if(!iterator.set_block(app)) + return die_c_("iterator.set_block(app)", chain.status()); + + if(!write_chain_(chain, /*use_padding=*/true, /*preserve_file_stats=*/false, filename_based, flacfilename(is_ogg))) + return die_c_("during chain.write(true, false)", chain.status()); + block = iterator.get_block(); + if(!compare_chain_(chain, our_current_position, block)) + return false; + delete block; + if(!test_file_(is_ogg, /*ignore_metadata=*/false)) + return false; + + printf("SV[A]P\tgrow APPLICATION, use padding, last block is padding of exact size\n"); + if(0 == (app = dynamic_cast<FLAC::Metadata::Application *>(FLAC::Metadata::clone(our_metadata_.blocks[our_current_position])))) + return die_("copying object"); + if(!app->set_data(data, 67, true)) + return die_("setting APPLICATION data"); + if(!replace_in_our_metadata_(app, our_current_position, /*copy=*/true)) + return die_("copying object"); + delete_from_our_metadata_(our_current_position+1); + if(!iterator.set_block(app)) + return die_c_("iterator.set_block(app)", chain.status()); + + if(!write_chain_(chain, /*use_padding=*/true, /*preserve_file_stats=*/false, filename_based, flacfilename(is_ogg))) + return die_c_("during chain.write(true, false)", chain.status()); + block = iterator.get_block(); + if(!compare_chain_(chain, our_current_position, block)) + return false; + delete block; + if(!test_file_(is_ogg, /*ignore_metadata=*/false)) + return false; + + printf("SV[A]\tprev\n"); + if(!iterator.prev()) + return die_("iterator ended early\n"); + our_current_position--; + + printf("S[V]A\tprev\n"); + if(!iterator.prev()) + return die_("iterator ended early\n"); + our_current_position--; + + printf("[S]VA\tinsert PADDING before STREAMINFO (should fail)\n"); + if(0 == (padding = new FLAC::Metadata::Padding())) + return die_("creating PADDING block"); + padding->set_length(30); + if(!iterator.insert_block_before(padding)) + printf("\titerator.insert_block_before() returned false like it should\n"); + else + return die_("iterator.insert_block_before() should have returned false"); + + printf("[S]VA\tnext\n"); + if(!iterator.next()) + return die_("iterator ended early\n"); + our_current_position++; + + printf("S[V]A\tinsert PADDING after\n"); + if(!insert_to_our_metadata_(padding, ++our_current_position, /*copy=*/true)) + return die_("copying metadata"); + if(!iterator.insert_block_after(padding)) + return die_("iterator.insert_block_after(padding)"); + + block = iterator.get_block(); + if(!compare_chain_(chain, our_current_position, block)) + return false; + delete block; + + printf("SV[P]A\tinsert PADDING before\n"); + if(0 == (padding = dynamic_cast<FLAC::Metadata::Padding *>(FLAC::Metadata::clone(our_metadata_.blocks[our_current_position])))) + return die_("creating PADDING block"); + padding->set_length(17); + if(!insert_to_our_metadata_(padding, our_current_position, /*copy=*/true)) + return die_("copying metadata"); + if(!iterator.insert_block_before(padding)) + return die_("iterator.insert_block_before(padding)"); + + block = iterator.get_block(); + if(!compare_chain_(chain, our_current_position, block)) + return false; + delete block; + + printf("SV[P]PA\tinsert PADDING before\n"); + if(0 == (padding = dynamic_cast<FLAC::Metadata::Padding *>(FLAC::Metadata::clone(our_metadata_.blocks[our_current_position])))) + return die_("creating PADDING block"); + padding->set_length(0); + if(!insert_to_our_metadata_(padding, our_current_position, /*copy=*/true)) + return die_("copying metadata"); + if(!iterator.insert_block_before(padding)) + return die_("iterator.insert_block_before(padding)"); + + block = iterator.get_block(); + if(!compare_chain_(chain, our_current_position, block)) + return false; + delete block; + + printf("SV[P]PPA\tnext\n"); + if(!iterator.next()) + return die_("iterator ended early\n"); + our_current_position++; + + printf("SVP[P]PA\tnext\n"); + if(!iterator.next()) + return die_("iterator ended early\n"); + our_current_position++; + + printf("SVPP[P]A\tnext\n"); + if(!iterator.next()) + return die_("iterator ended early\n"); + our_current_position++; + + printf("SVPPP[A]\tinsert PADDING after\n"); + if(0 == (padding = dynamic_cast<FLAC::Metadata::Padding *>(FLAC::Metadata::clone(our_metadata_.blocks[2])))) + return die_("creating PADDING block"); + padding->set_length(57); + if(!insert_to_our_metadata_(padding, ++our_current_position, /*copy=*/true)) + return die_("copying metadata"); + if(!iterator.insert_block_after(padding)) + return die_("iterator.insert_block_after(padding)"); + + block = iterator.get_block(); + if(!compare_chain_(chain, our_current_position, block)) + return false; + delete block; + + printf("SVPPPA[P]\tinsert PADDING before\n"); + if(0 == (padding = dynamic_cast<FLAC::Metadata::Padding *>(FLAC::Metadata::clone(our_metadata_.blocks[2])))) + return die_("creating PADDING block"); + padding->set_length(99); + if(!insert_to_our_metadata_(padding, our_current_position, /*copy=*/true)) + return die_("copying metadata"); + if(!iterator.insert_block_before(padding)) + return die_("iterator.insert_block_before(padding)"); + + block = iterator.get_block(); + if(!compare_chain_(chain, our_current_position, block)) + return false; + delete block; + + } + our_current_position = 0; + + printf("SVPPPAPP\tmerge padding\n"); + chain.merge_padding(); + add_to_padding_length_(2, FLAC__STREAM_METADATA_HEADER_LENGTH + our_metadata_.blocks[3]->get_length()); + add_to_padding_length_(2, FLAC__STREAM_METADATA_HEADER_LENGTH + our_metadata_.blocks[4]->get_length()); + add_to_padding_length_(6, FLAC__STREAM_METADATA_HEADER_LENGTH + our_metadata_.blocks[7]->get_length()); + delete_from_our_metadata_(7); + delete_from_our_metadata_(4); + delete_from_our_metadata_(3); + + if(!write_chain_(chain, /*use_padding=*/true, /*preserve_file_stats=*/false, filename_based, flacfilename(is_ogg))) + return die_c_("during chain.write(true, false)", chain.status()); + if(!compare_chain_(chain, 0, 0)) + return false; + if(!test_file_(is_ogg, /*ignore_metadata=*/false)) + return false; + + printf("SVPAP\tsort padding\n"); + chain.sort_padding(); + add_to_padding_length_(4, FLAC__STREAM_METADATA_HEADER_LENGTH + our_metadata_.blocks[2]->get_length()); + delete_from_our_metadata_(2); + + if(!write_chain_(chain, /*use_padding=*/true, /*preserve_file_stats=*/false, filename_based, flacfilename(is_ogg))) + return die_c_("during chain.write(true, false)", chain.status()); + if(!compare_chain_(chain, 0, 0)) + return false; + if(!test_file_(is_ogg, /*ignore_metadata=*/false)) + return false; + + printf("create iterator\n"); + { + FLAC::Metadata::Iterator iterator; + if(!iterator.is_valid()) + return die_("allocating memory for iterator"); + + our_current_position = 0; + + iterator.init(chain); + + printf("[S]VAP\tnext\n"); + if(!iterator.next()) + return die_("iterator ended early\n"); + our_current_position++; + + printf("S[V]AP\tnext\n"); + if(!iterator.next()) + return die_("iterator ended early\n"); + our_current_position++; + + printf("SV[A]P\tdelete middle block, replace with padding\n"); + if(0 == (padding = new FLAC::Metadata::Padding())) + return die_("creating PADDING block"); + padding->set_length(71); + if(!replace_in_our_metadata_(padding, our_current_position--, /*copy=*/false)) + return die_("copying object"); + if(!iterator.delete_block(/*replace_with_padding=*/true)) + return die_c_("iterator.delete_block(true)", chain.status()); + + block = iterator.get_block(); + if(!compare_chain_(chain, our_current_position, block)) + return false; + delete block; + + printf("S[V]PP\tnext\n"); + if(!iterator.next()) + return die_("iterator ended early\n"); + our_current_position++; + + printf("SV[P]P\tdelete middle block, don't replace with padding\n"); + delete_from_our_metadata_(our_current_position--); + if(!iterator.delete_block(/*replace_with_padding=*/false)) + return die_c_("iterator.delete_block(false)", chain.status()); + + block = iterator.get_block(); + if(!compare_chain_(chain, our_current_position, block)) + return false; + delete block; + + printf("S[V]P\tnext\n"); + if(!iterator.next()) + return die_("iterator ended early\n"); + our_current_position++; + + printf("SV[P]\tdelete last block, replace with padding\n"); + if(0 == (padding = new FLAC::Metadata::Padding())) + return die_("creating PADDING block"); + padding->set_length(219); + if(!replace_in_our_metadata_(padding, our_current_position--, /*copy=*/false)) + return die_("copying object"); + if(!iterator.delete_block(/*replace_with_padding=*/true)) + return die_c_("iterator.delete_block(true)", chain.status()); + + block = iterator.get_block(); + if(!compare_chain_(chain, our_current_position, block)) + return false; + delete block; + + printf("S[V]P\tnext\n"); + if(!iterator.next()) + return die_("iterator ended early\n"); + our_current_position++; + + printf("SV[P]\tdelete last block, don't replace with padding\n"); + delete_from_our_metadata_(our_current_position--); + if(!iterator.delete_block(/*replace_with_padding=*/false)) + return die_c_("iterator.delete_block(false)", chain.status()); + + block = iterator.get_block(); + if(!compare_chain_(chain, our_current_position, block)) + return false; + delete block; + + printf("S[V]\tprev\n"); + if(!iterator.prev()) + return die_("iterator ended early\n"); + our_current_position--; + + printf("[S]V\tdelete STREAMINFO block, should fail\n"); + if(iterator.delete_block(/*replace_with_padding=*/false)) + return die_("iterator.delete_block() on STREAMINFO should have failed but didn't"); + + block = iterator.get_block(); + if(!compare_chain_(chain, our_current_position, block)) + return false; + delete block; + + } // delete iterator + our_current_position = 0; + + printf("SV\tmerge padding\n"); + chain.merge_padding(); + + if(!write_chain_(chain, /*use_padding=*/false, /*preserve_file_stats=*/false, filename_based, flacfilename(is_ogg))) + return die_c_("during chain.write(false, false)", chain.status()); + if(!compare_chain_(chain, 0, 0)) + return false; + if(!test_file_(is_ogg, /*ignore_metadata=*/false)) + return false; + + printf("SV\tsort padding\n"); + chain.sort_padding(); + + if(!write_chain_(chain, /*use_padding=*/false, /*preserve_file_stats=*/false, filename_based, flacfilename(is_ogg))) + return die_c_("during chain.write(false, false)", chain.status()); + if(!compare_chain_(chain, 0, 0)) + return false; + if(!test_file_(is_ogg, /*ignore_metadata=*/false)) + return false; + +end: + if(!remove_file_(flacfilename(is_ogg))) + return false; + + return true; +} + +static bool test_level_2_misc_(bool is_ogg) +{ + ::FLAC__IOCallbacks callbacks; + + memset(&callbacks, 0, sizeof(callbacks)); + callbacks.read = (::FLAC__IOCallback_Read)fread; +#ifdef FLAC__VALGRIND_TESTING + callbacks.write = chain_write_cb_; +#else + callbacks.write = (::FLAC__IOCallback_Write)fwrite; +#endif + callbacks.seek = chain_seek_cb_; + callbacks.tell = chain_tell_cb_; + callbacks.eof = chain_eof_cb_; + + printf("\n\n++++++ testing level 2 interface (mismatched read/write protections)\n"); + + printf("generate file\n"); + + if(!generate_file_(/*include_extras=*/false, is_ogg)) + return false; + + printf("create chain\n"); + FLAC::Metadata::Chain chain; + if(!chain.is_valid()) + return die_("allocating chain"); + + printf("read chain (filename-based)\n"); + + if(!chain.read(flacfilename(is_ogg))) + return die_c_("reading chain", chain.status()); + + printf("write chain with wrong method Chain::write(with callbacks)\n"); + { + if(chain.write(/*use_padding=*/false, 0, callbacks)) + return die_c_("mismatched write should have failed", chain.status()); + if(chain.status() != ::FLAC__METADATA_CHAIN_STATUS_READ_WRITE_MISMATCH) + return die_c_("expected FLAC__METADATA_CHAIN_STATUS_READ_WRITE_MISMATCH", chain.status()); + printf(" OK: Chain::write(with callbacks) returned false,FLAC__METADATA_CHAIN_STATUS_READ_WRITE_MISMATCH like it should\n"); + } + + printf("read chain (filename-based)\n"); + + if(!chain.read(flacfilename(is_ogg))) + return die_c_("reading chain", chain.status()); + + printf("write chain with wrong method Chain::write(with callbacks and tempfile)\n"); + { + if(chain.write(/*use_padding=*/false, 0, callbacks, 0, callbacks)) + return die_c_("mismatched write should have failed", chain.status()); + if(chain.status() != ::FLAC__METADATA_CHAIN_STATUS_READ_WRITE_MISMATCH) + return die_c_("expected FLAC__METADATA_CHAIN_STATUS_READ_WRITE_MISMATCH", chain.status()); + printf(" OK: Chain::write(with callbacks and tempfile) returned false,FLAC__METADATA_CHAIN_STATUS_READ_WRITE_MISMATCH like it should\n"); + } + + printf("read chain (callback-based)\n"); + { + FILE *file = flac_fopen(flacfilename(is_ogg), "rb"); + if(0 == file) + return die_("opening file"); + if(!chain.read((::FLAC__IOHandle)file, callbacks)) { + fclose(file); + return die_c_("reading chain", chain.status()); + } + fclose(file); + } + + printf("write chain with wrong method write()\n"); + { + if(chain.write(/*use_padding=*/false, /*preserve_file_stats=*/false)) + return die_c_("mismatched write should have failed", chain.status()); + if(chain.status() != ::FLAC__METADATA_CHAIN_STATUS_READ_WRITE_MISMATCH) + return die_c_("expected FLAC__METADATA_CHAIN_STATUS_READ_WRITE_MISMATCH", chain.status()); + printf(" OK: write() returned false,FLAC__METADATA_CHAIN_STATUS_READ_WRITE_MISMATCH like it should\n"); + } + + printf("read chain (callback-based)\n"); + { + FILE *file = flac_fopen(flacfilename(is_ogg), "rb"); + if(0 == file) + return die_("opening file"); + if(!chain.read((::FLAC__IOHandle)file, callbacks)) { + fclose(file); + return die_c_("reading chain", chain.status()); + } + fclose(file); + } + + printf("testing Chain::check_if_tempfile_needed()... "); + + if(!chain.check_if_tempfile_needed(/*use_padding=*/false)) + printf("OK: Chain::check_if_tempfile_needed() returned false like it should\n"); + else + return die_("Chain::check_if_tempfile_needed() returned true but shouldn't have"); + + printf("write chain with wrong method Chain::write(with callbacks and tempfile)\n"); + { + if(chain.write(/*use_padding=*/false, 0, callbacks, 0, callbacks)) + return die_c_("mismatched write should have failed", chain.status()); + if(chain.status() != ::FLAC__METADATA_CHAIN_STATUS_WRONG_WRITE_CALL) + return die_c_("expected FLAC__METADATA_CHAIN_STATUS_WRONG_WRITE_CALL", chain.status()); + printf(" OK: Chain::write(with callbacks and tempfile) returned false,FLAC__METADATA_CHAIN_STATUS_WRONG_WRITE_CALL like it should\n"); + } + + printf("read chain (callback-based)\n"); + { + FILE *file = flac_fopen(flacfilename(is_ogg), "rb"); + if(0 == file) + return die_("opening file"); + if(!chain.read((::FLAC__IOHandle)file, callbacks)) { + fclose(file); + return die_c_("reading chain", chain.status()); + } + fclose(file); + } + + printf("create iterator\n"); + { + FLAC::Metadata::Iterator iterator; + if(!iterator.is_valid()) + return die_("allocating memory for iterator"); + + iterator.init(chain); + + printf("[S]VP\tnext\n"); + if(!iterator.next()) + return die_("iterator ended early\n"); + + printf("S[V]P\tdelete VORBIS_COMMENT, write\n"); + if(!iterator.delete_block(/*replace_with_padding=*/false)) + return die_c_("block delete failed\n", chain.status()); + + printf("testing Chain::check_if_tempfile_needed()... "); + + if(chain.check_if_tempfile_needed(/*use_padding=*/false)) + printf("OK: Chain::check_if_tempfile_needed() returned true like it should\n"); + else + return die_("Chain::check_if_tempfile_needed() returned false but shouldn't have"); + + printf("write chain with wrong method Chain::write(with callbacks)\n"); + { + if(chain.write(/*use_padding=*/false, 0, callbacks)) + return die_c_("mismatched write should have failed", chain.status()); + if(chain.status() != ::FLAC__METADATA_CHAIN_STATUS_WRONG_WRITE_CALL) + return die_c_("expected FLAC__METADATA_CHAIN_STATUS_WRONG_WRITE_CALL", chain.status()); + printf(" OK: Chain::write(with callbacks) returned false,FLAC__METADATA_CHAIN_STATUS_WRONG_WRITE_CALL like it should\n"); + } + + } // delete iterator + + if(!remove_file_(flacfilename(is_ogg))) + return false; + + return true; +} + +bool test_metadata_file_manipulation() +{ + printf("\n+++ libFLAC++ unit test: metadata manipulation\n\n"); + + our_metadata_.num_blocks = 0; + + if(!test_level_0_()) + return false; + + if(!test_level_1_()) + return false; + + if(!test_level_2_(/*filename_based=*/true, /*is_ogg=*/false)) /* filename-based */ + return false; + if(!test_level_2_(/*filename_based=*/false, /*is_ogg=*/false)) /* callback-based */ + return false; + if(!test_level_2_misc_(/*is_ogg=*/false)) + return false; + + if(FLAC_API_SUPPORTS_OGG_FLAC) { + if(!test_level_2_(/*filename_based=*/true, /*is_ogg=*/true)) /* filename-based */ + return false; + if(!test_level_2_(/*filename_based=*/false, /*is_ogg=*/true)) /* callback-based */ + return false; +#if 0 + /* when ogg flac write is supported, will have to add this: */ + if(!test_level_2_misc_(/*is_ogg=*/true)) + return false; +#endif + } + + return true; +} diff --git a/src/test_libFLAC++/metadata_object.cpp b/src/test_libFLAC++/metadata_object.cpp new file mode 100644 index 0000000..ab4cfbf --- /dev/null +++ b/src/test_libFLAC++/metadata_object.cpp @@ -0,0 +1,2099 @@ +/* test_libFLAC++ - Unit tester for libFLAC++ + * Copyright (C) 2002-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include <stdio.h> +#include <stdlib.h> /* for malloc() */ +#include <string.h> /* for memcmp() */ +#include "FLAC/assert.h" +#include "FLAC++/metadata.h" +#include "share/safe_str.h" + +static ::FLAC__StreamMetadata streaminfo_, padding_, seektable_, application_, vorbiscomment_, cuesheet_, picture_; + +static bool die_(const char *msg) +{ + printf("FAILED, %s\n", msg); + return false; +} + +static void *malloc_or_die_(size_t size) +{ + void *x = malloc(size); + if(0 == x) { + fprintf(stderr, "ERROR: out of memory allocating %u bytes\n", (uint32_t)size); + exit(1); + } + return x; +} + +static char *strdup_or_die_(const char *s) +{ + char *x = strdup(s); + if(0 == x) { + fprintf(stderr, "ERROR: out of memory copying string \"%s\"\n", s); + exit(1); + } + return x; +} + +static bool index_is_equal_(const ::FLAC__StreamMetadata_CueSheet_Index &indx, const ::FLAC__StreamMetadata_CueSheet_Index &indxcopy) +{ + if(indxcopy.offset != indx.offset) + return false; + if(indxcopy.number != indx.number) + return false; + return true; +} + +static bool track_is_equal_(const ::FLAC__StreamMetadata_CueSheet_Track *track, const ::FLAC__StreamMetadata_CueSheet_Track *trackcopy) +{ + uint32_t i; + + if(trackcopy->offset != track->offset) + return false; + if(trackcopy->number != track->number) + return false; + if(0 != strcmp(trackcopy->isrc, track->isrc)) + return false; + if(trackcopy->type != track->type) + return false; + if(trackcopy->pre_emphasis != track->pre_emphasis) + return false; + if(trackcopy->num_indices != track->num_indices) + return false; + if(0 == track->indices || 0 == trackcopy->indices) { + if(track->indices != trackcopy->indices) + return false; + } + else { + for(i = 0; i < track->num_indices; i++) { + if(!index_is_equal_(trackcopy->indices[i], track->indices[i])) + return false; + } + } + return true; +} + +static void init_metadata_blocks_() +{ + streaminfo_.is_last = false; + streaminfo_.type = ::FLAC__METADATA_TYPE_STREAMINFO; + streaminfo_.length = FLAC__STREAM_METADATA_STREAMINFO_LENGTH; + streaminfo_.data.stream_info.min_blocksize = 576; + streaminfo_.data.stream_info.max_blocksize = 576; + streaminfo_.data.stream_info.min_framesize = 0; + streaminfo_.data.stream_info.max_framesize = 0; + streaminfo_.data.stream_info.sample_rate = 44100; + streaminfo_.data.stream_info.channels = 1; + streaminfo_.data.stream_info.bits_per_sample = 8; + streaminfo_.data.stream_info.total_samples = 0; + memset(streaminfo_.data.stream_info.md5sum, 0, 16); + + padding_.is_last = false; + padding_.type = ::FLAC__METADATA_TYPE_PADDING; + padding_.length = 1234; + + seektable_.is_last = false; + seektable_.type = ::FLAC__METADATA_TYPE_SEEKTABLE; + seektable_.data.seek_table.num_points = 2; + seektable_.length = seektable_.data.seek_table.num_points * FLAC__STREAM_METADATA_SEEKPOINT_LENGTH; + seektable_.data.seek_table.points = (::FLAC__StreamMetadata_SeekPoint*)malloc_or_die_(seektable_.data.seek_table.num_points * sizeof(::FLAC__StreamMetadata_SeekPoint)); + seektable_.data.seek_table.points[0].sample_number = 0; + seektable_.data.seek_table.points[0].stream_offset = 0; + seektable_.data.seek_table.points[0].frame_samples = streaminfo_.data.stream_info.min_blocksize; + seektable_.data.seek_table.points[1].sample_number = ::FLAC__STREAM_METADATA_SEEKPOINT_PLACEHOLDER; + seektable_.data.seek_table.points[1].stream_offset = 1000; + seektable_.data.seek_table.points[1].frame_samples = streaminfo_.data.stream_info.min_blocksize; + + application_.is_last = false; + application_.type = ::FLAC__METADATA_TYPE_APPLICATION; + application_.length = 8; + memcpy(application_.data.application.id, "\xfe\xdc\xba\x98", 4); + application_.data.application.data = (FLAC__byte*)malloc_or_die_(4); + memcpy(application_.data.application.data, "\xf0\xe1\xd2\xc3", 4); + + vorbiscomment_.is_last = false; + vorbiscomment_.type = ::FLAC__METADATA_TYPE_VORBIS_COMMENT; + vorbiscomment_.length = (4 + 5) + 4 + (4 + 12) + (4 + 12); + vorbiscomment_.data.vorbis_comment.vendor_string.length = 5; + vorbiscomment_.data.vorbis_comment.vendor_string.entry = (FLAC__byte*)malloc_or_die_(5+1); + memcpy(vorbiscomment_.data.vorbis_comment.vendor_string.entry, "name0", 5+1); + vorbiscomment_.data.vorbis_comment.num_comments = 2; + vorbiscomment_.data.vorbis_comment.comments = (::FLAC__StreamMetadata_VorbisComment_Entry*)malloc_or_die_(vorbiscomment_.data.vorbis_comment.num_comments * sizeof(::FLAC__StreamMetadata_VorbisComment_Entry)); + vorbiscomment_.data.vorbis_comment.comments[0].length = 12; + vorbiscomment_.data.vorbis_comment.comments[0].entry = (FLAC__byte*)malloc_or_die_(12+1); + memcpy(vorbiscomment_.data.vorbis_comment.comments[0].entry, "name2=value2", 12+1); + vorbiscomment_.data.vorbis_comment.comments[1].length = 12; + vorbiscomment_.data.vorbis_comment.comments[1].entry = (FLAC__byte*)malloc_or_die_(12+1); + memcpy(vorbiscomment_.data.vorbis_comment.comments[1].entry, "name3=value3", 12+1); + + cuesheet_.is_last = false; + cuesheet_.type = ::FLAC__METADATA_TYPE_CUESHEET; + cuesheet_.length = + /* cuesheet guts */ + ( + FLAC__STREAM_METADATA_CUESHEET_MEDIA_CATALOG_NUMBER_LEN + + FLAC__STREAM_METADATA_CUESHEET_LEAD_IN_LEN + + FLAC__STREAM_METADATA_CUESHEET_IS_CD_LEN + + FLAC__STREAM_METADATA_CUESHEET_RESERVED_LEN + + FLAC__STREAM_METADATA_CUESHEET_NUM_TRACKS_LEN + ) / 8 + + /* 2 tracks */ + 2 * ( + FLAC__STREAM_METADATA_CUESHEET_TRACK_OFFSET_LEN + + FLAC__STREAM_METADATA_CUESHEET_TRACK_NUMBER_LEN + + FLAC__STREAM_METADATA_CUESHEET_TRACK_ISRC_LEN + + FLAC__STREAM_METADATA_CUESHEET_TRACK_TYPE_LEN + + FLAC__STREAM_METADATA_CUESHEET_TRACK_PRE_EMPHASIS_LEN + + FLAC__STREAM_METADATA_CUESHEET_TRACK_RESERVED_LEN + + FLAC__STREAM_METADATA_CUESHEET_TRACK_NUM_INDICES_LEN + ) / 8 + + /* 3 index points */ + 3 * ( + FLAC__STREAM_METADATA_CUESHEET_INDEX_OFFSET_LEN + + FLAC__STREAM_METADATA_CUESHEET_INDEX_NUMBER_LEN + + FLAC__STREAM_METADATA_CUESHEET_INDEX_RESERVED_LEN + ) / 8 + ; + memset(cuesheet_.data.cue_sheet.media_catalog_number, 0, sizeof(cuesheet_.data.cue_sheet.media_catalog_number)); + cuesheet_.data.cue_sheet.media_catalog_number[0] = 'j'; + cuesheet_.data.cue_sheet.media_catalog_number[1] = 'C'; + cuesheet_.data.cue_sheet.lead_in = 159; + cuesheet_.data.cue_sheet.is_cd = true; + cuesheet_.data.cue_sheet.num_tracks = 2; + cuesheet_.data.cue_sheet.tracks = (FLAC__StreamMetadata_CueSheet_Track*)malloc_or_die_(cuesheet_.data.cue_sheet.num_tracks * sizeof(FLAC__StreamMetadata_CueSheet_Track)); + cuesheet_.data.cue_sheet.tracks[0].offset = 1; + cuesheet_.data.cue_sheet.tracks[0].number = 1; + memcpy(cuesheet_.data.cue_sheet.tracks[0].isrc, "ACBDE1234567", sizeof(cuesheet_.data.cue_sheet.tracks[0].isrc)); + cuesheet_.data.cue_sheet.tracks[0].type = 0; + cuesheet_.data.cue_sheet.tracks[0].pre_emphasis = 1; + cuesheet_.data.cue_sheet.tracks[0].num_indices = 2; + cuesheet_.data.cue_sheet.tracks[0].indices = (FLAC__StreamMetadata_CueSheet_Index*)malloc_or_die_(cuesheet_.data.cue_sheet.tracks[0].num_indices * sizeof(FLAC__StreamMetadata_CueSheet_Index)); + cuesheet_.data.cue_sheet.tracks[0].indices[0].offset = 0; + cuesheet_.data.cue_sheet.tracks[0].indices[0].number = 0; + cuesheet_.data.cue_sheet.tracks[0].indices[1].offset = 1234567890; + cuesheet_.data.cue_sheet.tracks[0].indices[1].number = 1; + cuesheet_.data.cue_sheet.tracks[1].offset = 2345678901u; + cuesheet_.data.cue_sheet.tracks[1].number = 2; + memcpy(cuesheet_.data.cue_sheet.tracks[1].isrc, "ACBDE7654321", sizeof(cuesheet_.data.cue_sheet.tracks[1].isrc)); + cuesheet_.data.cue_sheet.tracks[1].type = 1; + cuesheet_.data.cue_sheet.tracks[1].pre_emphasis = 0; + cuesheet_.data.cue_sheet.tracks[1].num_indices = 1; + cuesheet_.data.cue_sheet.tracks[1].indices = (FLAC__StreamMetadata_CueSheet_Index*)malloc_or_die_(cuesheet_.data.cue_sheet.tracks[1].num_indices * sizeof(FLAC__StreamMetadata_CueSheet_Index)); + cuesheet_.data.cue_sheet.tracks[1].indices[0].offset = 0; + cuesheet_.data.cue_sheet.tracks[1].indices[0].number = 1; + + picture_.is_last = true; + picture_.type = FLAC__METADATA_TYPE_PICTURE; + picture_.length = + ( + FLAC__STREAM_METADATA_PICTURE_TYPE_LEN + + FLAC__STREAM_METADATA_PICTURE_MIME_TYPE_LENGTH_LEN + /* will add the length for the string later */ + FLAC__STREAM_METADATA_PICTURE_DESCRIPTION_LENGTH_LEN + /* will add the length for the string later */ + FLAC__STREAM_METADATA_PICTURE_WIDTH_LEN + + FLAC__STREAM_METADATA_PICTURE_HEIGHT_LEN + + FLAC__STREAM_METADATA_PICTURE_DEPTH_LEN + + FLAC__STREAM_METADATA_PICTURE_COLORS_LEN + + FLAC__STREAM_METADATA_PICTURE_DATA_LENGTH_LEN /* will add the length for the data later */ + ) / 8 + ; + picture_.data.picture.type = FLAC__STREAM_METADATA_PICTURE_TYPE_FRONT_COVER; + picture_.data.picture.mime_type = strdup_or_die_("image/jpeg"); + picture_.length += strlen(picture_.data.picture.mime_type); + picture_.data.picture.description = (FLAC__byte*)strdup_or_die_("desc"); + picture_.length += strlen((const char *)picture_.data.picture.description); + picture_.data.picture.width = 300; + picture_.data.picture.height = 300; + picture_.data.picture.depth = 24; + picture_.data.picture.colors = 0; + picture_.data.picture.data = (FLAC__byte*)strdup_or_die_("SOMEJPEGDATA"); + picture_.data.picture.data_length = strlen((const char *)picture_.data.picture.data); + picture_.length += picture_.data.picture.data_length; +} + +static void free_metadata_blocks_() +{ + free(seektable_.data.seek_table.points); + free(application_.data.application.data); + free(vorbiscomment_.data.vorbis_comment.vendor_string.entry); + free(vorbiscomment_.data.vorbis_comment.comments[0].entry); + free(vorbiscomment_.data.vorbis_comment.comments[1].entry); + free(vorbiscomment_.data.vorbis_comment.comments); + free(cuesheet_.data.cue_sheet.tracks[0].indices); + free(cuesheet_.data.cue_sheet.tracks[1].indices); + free(cuesheet_.data.cue_sheet.tracks); + free(picture_.data.picture.mime_type); + free(picture_.data.picture.description); + free(picture_.data.picture.data); +} + +bool test_metadata_object_streaminfo() +{ + uint32_t expected_length; + + printf("testing class FLAC::Metadata::StreamInfo\n"); + + printf("testing StreamInfo::StreamInfo()... "); + FLAC::Metadata::StreamInfo block; + if(!block.is_valid()) + return die_("!block.is_valid()"); + expected_length = FLAC__STREAM_METADATA_STREAMINFO_LENGTH; + if(block.get_length() != expected_length) { + printf("FAILED, bad length, expected %u, got %u\n", expected_length, block.get_length()); + return false; + } + printf("OK\n"); + + printf("testing StreamInfo::StreamInfo(const StreamInfo &)... +\n"); + printf(" StreamInfo::operator!=(const StreamInfo &)... "); + { + FLAC::Metadata::StreamInfo blockcopy(block); + if(!blockcopy.is_valid()) + return die_("!blockcopy.is_valid()"); + if(blockcopy != block) + return die_("copy is not identical to original"); + printf("OK\n"); + + printf("testing StreamInfo::~StreamInfo()... "); + } + printf("OK\n"); + + printf("testing StreamInfo::StreamInfo(const ::FLAC__StreamMetadata &)... +\n"); + printf(" StreamInfo::operator!=(const ::FLAC__StreamMetadata &)... "); + { + FLAC::Metadata::StreamInfo blockcopy(streaminfo_); + if(!blockcopy.is_valid()) + return die_("!blockcopy.is_valid()"); + if(blockcopy != streaminfo_) + return die_("copy is not identical to original"); + printf("OK\n"); + } + + printf("testing StreamInfo::StreamInfo(const ::FLAC__StreamMetadata *)... +\n"); + printf(" StreamInfo::operator!=(const ::FLAC__StreamMetadata *)... "); + { + FLAC::Metadata::StreamInfo blockcopy(&streaminfo_); + if(!blockcopy.is_valid()) + return die_("!blockcopy.is_valid()"); + if(blockcopy != streaminfo_) + return die_("copy is not identical to original"); + printf("OK\n"); + } + + printf("testing StreamInfo::StreamInfo(const ::FLAC__StreamMetadata *, copy=true)... +\n"); + printf(" StreamInfo::operator!=(const ::FLAC__StreamMetadata *)... "); + { + FLAC::Metadata::StreamInfo blockcopy(&streaminfo_, /*copy=*/true); + if(!blockcopy.is_valid()) + return die_("!blockcopy.is_valid()"); + if(blockcopy != streaminfo_) + return die_("copy is not identical to original"); + printf("OK\n"); + } + + printf("testing StreamInfo::StreamInfo(const ::FLAC__StreamMetadata *, copy=false)... +\n"); + printf(" StreamInfo::operator!=(const ::FLAC__StreamMetadata *)... "); + { + ::FLAC__StreamMetadata *copy = ::FLAC__metadata_object_clone(&streaminfo_); + FLAC::Metadata::StreamInfo blockcopy(copy, /*copy=*/false); + if(!blockcopy.is_valid()) + return die_("!blockcopy.is_valid()"); + if(blockcopy != streaminfo_) + return die_("copy is not identical to original"); + printf("OK\n"); + } + + printf("testing StreamInfo::assign(const ::FLAC__StreamMetadata *, copy=true)... +\n"); + printf(" StreamInfo::operator!=(const ::FLAC__StreamMetadata *)... "); + { + FLAC::Metadata::StreamInfo blockcopy; + blockcopy.assign(&streaminfo_, /*copy=*/true); + if(!blockcopy.is_valid()) + return die_("!blockcopy.is_valid()"); + if(blockcopy != streaminfo_) + return die_("copy is not identical to original"); + printf("OK\n"); + } + + printf("testing StreamInfo::assign(const ::FLAC__StreamMetadata *, copy=false)... +\n"); + printf(" StreamInfo::operator!=(const ::FLAC__StreamMetadata *)... "); + { + ::FLAC__StreamMetadata *copy = ::FLAC__metadata_object_clone(&streaminfo_); + FLAC::Metadata::StreamInfo blockcopy; + blockcopy.assign(copy, /*copy=*/false); + if(!blockcopy.is_valid()) + return die_("!blockcopy.is_valid()"); + if(blockcopy != streaminfo_) + return die_("copy is not identical to original"); + printf("OK\n"); + } + + printf("testing StreamInfo::operator=(const StreamInfo &)... +\n"); + printf(" StreamInfo::operator==(const StreamInfo &)... "); + { + FLAC::Metadata::StreamInfo blockcopy = block; + if(!blockcopy.is_valid()) + return die_("!blockcopy.is_valid()"); + if(!(blockcopy == block)) + return die_("copy is not identical to original"); + printf("OK\n"); + } + + printf("testing StreamInfo::operator=(const ::FLAC__StreamMetadata &)... +\n"); + printf(" StreamInfo::operator==(const ::FLAC__StreamMetadata &)... "); + { + FLAC::Metadata::StreamInfo blockcopy = streaminfo_; + if(!blockcopy.is_valid()) + return die_("!blockcopy.is_valid()"); + if(!(blockcopy == streaminfo_)) + return die_("copy is not identical to original"); + printf("OK\n"); + } + + printf("testing StreamInfo::operator=(const ::FLAC__StreamMetadata *)... +\n"); + printf(" StreamInfo::operator==(const ::FLAC__StreamMetadata *)... "); + { + FLAC::Metadata::StreamInfo blockcopy = &streaminfo_; + if(!blockcopy.is_valid()) + return die_("!blockcopy.is_valid()"); + if(!(blockcopy == streaminfo_)) + return die_("copy is not identical to original"); + printf("OK\n"); + } + + printf("testing StreamInfo::set_min_blocksize()... "); + block.set_min_blocksize(streaminfo_.data.stream_info.min_blocksize); + printf("OK\n"); + + printf("testing StreamInfo::set_max_blocksize()... "); + block.set_max_blocksize(streaminfo_.data.stream_info.max_blocksize); + printf("OK\n"); + + printf("testing StreamInfo::set_min_framesize()... "); + block.set_min_framesize(streaminfo_.data.stream_info.min_framesize); + printf("OK\n"); + + printf("testing StreamInfo::set_max_framesize()... "); + block.set_max_framesize(streaminfo_.data.stream_info.max_framesize); + printf("OK\n"); + + printf("testing StreamInfo::set_sample_rate()... "); + block.set_sample_rate(streaminfo_.data.stream_info.sample_rate); + printf("OK\n"); + + printf("testing StreamInfo::set_channels()... "); + block.set_channels(streaminfo_.data.stream_info.channels); + printf("OK\n"); + + printf("testing StreamInfo::set_bits_per_sample()... "); + block.set_bits_per_sample(streaminfo_.data.stream_info.bits_per_sample); + printf("OK\n"); + + printf("testing StreamInfo::set_total_samples()... "); + block.set_total_samples(streaminfo_.data.stream_info.total_samples); + printf("OK\n"); + + printf("testing StreamInfo::set_md5sum()... "); + block.set_md5sum(streaminfo_.data.stream_info.md5sum); + printf("OK\n"); + + printf("testing StreamInfo::get_min_blocksize()... "); + if(block.get_min_blocksize() != streaminfo_.data.stream_info.min_blocksize) + return die_("value mismatch, doesn't match previously set value"); + printf("OK\n"); + + printf("testing StreamInfo::get_max_blocksize()... "); + if(block.get_max_blocksize() != streaminfo_.data.stream_info.max_blocksize) + return die_("value mismatch, doesn't match previously set value"); + printf("OK\n"); + + printf("testing StreamInfo::get_min_framesize()... "); + if(block.get_min_framesize() != streaminfo_.data.stream_info.min_framesize) + return die_("value mismatch, doesn't match previously set value"); + printf("OK\n"); + + printf("testing StreamInfo::get_max_framesize()... "); + if(block.get_max_framesize() != streaminfo_.data.stream_info.max_framesize) + return die_("value mismatch, doesn't match previously set value"); + printf("OK\n"); + + printf("testing StreamInfo::get_sample_rate()... "); + if(block.get_sample_rate() != streaminfo_.data.stream_info.sample_rate) + return die_("value mismatch, doesn't match previously set value"); + printf("OK\n"); + + printf("testing StreamInfo::get_channels()... "); + if(block.get_channels() != streaminfo_.data.stream_info.channels) + return die_("value mismatch, doesn't match previously set value"); + printf("OK\n"); + + printf("testing StreamInfo::get_bits_per_sample()... "); + if(block.get_bits_per_sample() != streaminfo_.data.stream_info.bits_per_sample) + return die_("value mismatch, doesn't match previously set value"); + printf("OK\n"); + + printf("testing StreamInfo::get_total_samples()... "); + if(block.get_total_samples() != streaminfo_.data.stream_info.total_samples) + return die_("value mismatch, doesn't match previously set value"); + printf("OK\n"); + + printf("testing StreamInfo::get_md5sum()... "); + if(0 != memcmp(block.get_md5sum(), streaminfo_.data.stream_info.md5sum, 16)) + return die_("value mismatch, doesn't match previously set value"); + printf("OK\n"); + + printf("testing FLAC::Metadata::clone(const FLAC::Metadata::Prototype *)... "); + FLAC::Metadata::Prototype *clone_ = FLAC::Metadata::clone(&block); + if(0 == clone_) + return die_("returned NULL"); + if(0 == dynamic_cast<FLAC::Metadata::StreamInfo *>(clone_)) + return die_("downcast is NULL"); + if(*dynamic_cast<FLAC::Metadata::StreamInfo *>(clone_) != block) + return die_("clone is not identical"); + printf("OK\n"); + printf("testing StreamInfo::~StreamInfo()... "); + delete clone_; + printf("OK\n"); + + + printf("PASSED\n\n"); + return true; +} + +bool test_metadata_object_padding() +{ + uint32_t expected_length; + + printf("testing class FLAC::Metadata::Padding\n"); + + printf("testing Padding::Padding()... "); + FLAC::Metadata::Padding block; + if(!block.is_valid()) + return die_("!block.is_valid()"); + expected_length = 0; + if(block.get_length() != expected_length) { + printf("FAILED, bad length, expected %u, got %u\n", expected_length, block.get_length()); + return false; + } + printf("OK\n"); + + printf("testing Padding::Padding(const Padding &)... +\n"); + printf(" Padding::operator!=(const Padding &)... "); + { + FLAC::Metadata::Padding blockcopy(block); + if(!blockcopy.is_valid()) + return die_("!blockcopy.is_valid()"); + if(blockcopy != block) + return die_("copy is not identical to original"); + printf("OK\n"); + + printf("testing Padding::~Padding()... "); + } + printf("OK\n"); + + printf("testing Padding::Padding(const ::FLAC__StreamMetadata &)... +\n"); + printf(" Padding::operator!=(const ::FLAC__StreamMetadata &)... "); + { + FLAC::Metadata::Padding blockcopy(padding_); + if(!blockcopy.is_valid()) + return die_("!blockcopy.is_valid()"); + if(blockcopy != padding_) + return die_("copy is not identical to original"); + printf("OK\n"); + } + + printf("testing Padding::Padding(const ::FLAC__StreamMetadata *)... +\n"); + printf(" Padding::operator!=(const ::FLAC__StreamMetadata *)... "); + { + FLAC::Metadata::Padding blockcopy(&padding_); + if(!blockcopy.is_valid()) + return die_("!blockcopy.is_valid()"); + if(blockcopy != padding_) + return die_("copy is not identical to original"); + printf("OK\n"); + } + + printf("testing Padding::Padding(const ::FLAC__StreamMetadata *, copy=true)... +\n"); + printf(" Padding::operator!=(const ::FLAC__StreamMetadata *)... "); + { + FLAC::Metadata::Padding blockcopy(&padding_, /*copy=*/true); + if(!blockcopy.is_valid()) + return die_("!blockcopy.is_valid()"); + if(blockcopy != padding_) + return die_("copy is not identical to original"); + printf("OK\n"); + } + + printf("testing Padding::Padding(const ::FLAC__StreamMetadata *, copy=false)... +\n"); + printf(" Padding::operator!=(const ::FLAC__StreamMetadata *)... "); + { + ::FLAC__StreamMetadata *copy = ::FLAC__metadata_object_clone(&padding_); + FLAC::Metadata::Padding blockcopy(copy, /*copy=*/false); + if(!blockcopy.is_valid()) + return die_("!blockcopy.is_valid()"); + if(blockcopy != padding_) + return die_("copy is not identical to original"); + printf("OK\n"); + } + + printf("testing Padding::assign(const ::FLAC__StreamMetadata *, copy=true)... +\n"); + printf(" Padding::operator!=(const ::FLAC__StreamMetadata *)... "); + { + FLAC::Metadata::Padding blockcopy; + blockcopy.assign(&padding_, /*copy=*/true); + if(!blockcopy.is_valid()) + return die_("!blockcopy.is_valid()"); + if(blockcopy != padding_) + return die_("copy is not identical to original"); + printf("OK\n"); + } + + printf("testing Padding::assign(const ::FLAC__StreamMetadata *, copy=false)... +\n"); + printf(" Padding::operator!=(const ::FLAC__StreamMetadata *)... "); + { + ::FLAC__StreamMetadata *copy = ::FLAC__metadata_object_clone(&padding_); + FLAC::Metadata::Padding blockcopy; + blockcopy.assign(copy, /*copy=*/false); + if(!blockcopy.is_valid()) + return die_("!blockcopy.is_valid()"); + if(blockcopy != padding_) + return die_("copy is not identical to original"); + printf("OK\n"); + } + + printf("testing Padding::operator=(const Padding &)... +\n"); + printf(" Padding::operator==(const Padding &)... "); + { + FLAC::Metadata::Padding blockcopy = block; + if(!blockcopy.is_valid()) + return die_("!blockcopy.is_valid()"); + if(!(blockcopy == block)) + return die_("copy is not identical to original"); + printf("OK\n"); + } + + printf("testing Padding::operator=(const ::FLAC__StreamMetadata &)... +\n"); + printf(" Padding::operator==(const ::FLAC__StreamMetadata &)... "); + { + FLAC::Metadata::Padding blockcopy = padding_; + if(!blockcopy.is_valid()) + return die_("!blockcopy.is_valid()"); + if(!(blockcopy == padding_)) + return die_("copy is not identical to original"); + printf("OK\n"); + } + + printf("testing Padding::operator=(const ::FLAC__StreamMetadata *)... +\n"); + printf(" Padding::operator==(const ::FLAC__StreamMetadata *)... "); + { + FLAC::Metadata::Padding blockcopy = &padding_; + if(!blockcopy.is_valid()) + return die_("!blockcopy.is_valid()"); + if(!(blockcopy == padding_)) + return die_("copy is not identical to original"); + printf("OK\n"); + } + + printf("testing Padding::set_length()... "); + block.set_length(padding_.length); + printf("OK\n"); + + printf("testing Prototype::get_length()... "); + if(block.get_length() != padding_.length) + return die_("value mismatch, doesn't match previously set value"); + printf("OK\n"); + + printf("testing FLAC::Metadata::clone(const FLAC::Metadata::Prototype *)... "); + FLAC::Metadata::Prototype *clone_ = FLAC::Metadata::clone(&block); + if(0 == clone_) + return die_("returned NULL"); + if(0 == dynamic_cast<FLAC::Metadata::Padding *>(clone_)) + return die_("downcast is NULL"); + if(*dynamic_cast<FLAC::Metadata::Padding *>(clone_) != block) + return die_("clone is not identical"); + printf("OK\n"); + printf("testing Padding::~Padding()... "); + delete clone_; + printf("OK\n"); + + + printf("PASSED\n\n"); + return true; +} + +bool test_metadata_object_application() +{ + uint32_t expected_length; + + printf("testing class FLAC::Metadata::Application\n"); + + printf("testing Application::Application()... "); + FLAC::Metadata::Application block; + if(!block.is_valid()) + return die_("!block.is_valid()"); + expected_length = FLAC__STREAM_METADATA_APPLICATION_ID_LEN / 8; + if(block.get_length() != expected_length) { + printf("FAILED, bad length, expected %u, got %u\n", expected_length, block.get_length()); + return false; + } + printf("OK\n"); + + printf("testing Application::Application(const Application &)... +\n"); + printf(" Application::operator!=(const Application &)... "); + { + FLAC::Metadata::Application blockcopy(block); + if(!blockcopy.is_valid()) + return die_("!blockcopy.is_valid()"); + if(blockcopy != block) + return die_("copy is not identical to original"); + printf("OK\n"); + + printf("testing Application::~Application()... "); + } + printf("OK\n"); + + printf("testing Application::Application(const ::FLAC__StreamMetadata &)... +\n"); + printf(" Application::operator!=(const ::FLAC__StreamMetadata &)... "); + { + FLAC::Metadata::Application blockcopy(application_); + if(!blockcopy.is_valid()) + return die_("!blockcopy.is_valid()"); + if(blockcopy != application_) + return die_("copy is not identical to original"); + printf("OK\n"); + } + + printf("testing Application::Application(const ::FLAC__StreamMetadata *)... +\n"); + printf(" Application::operator!=(const ::FLAC__StreamMetadata *)... "); + { + FLAC::Metadata::Application blockcopy(&application_); + if(!blockcopy.is_valid()) + return die_("!blockcopy.is_valid()"); + if(blockcopy != application_) + return die_("copy is not identical to original"); + printf("OK\n"); + } + + printf("testing Application::Application(const ::FLAC__StreamMetadata *, copy=true)... +\n"); + printf(" Application::operator!=(const ::FLAC__StreamMetadata *)... "); + { + FLAC::Metadata::Application blockcopy(&application_, /*copy=*/true); + if(!blockcopy.is_valid()) + return die_("!blockcopy.is_valid()"); + if(blockcopy != application_) + return die_("copy is not identical to original"); + printf("OK\n"); + } + + printf("testing Application::Application(const ::FLAC__StreamMetadata *, copy=false)... +\n"); + printf(" Application::operator!=(const ::FLAC__StreamMetadata *)... "); + { + ::FLAC__StreamMetadata *copy = ::FLAC__metadata_object_clone(&application_); + FLAC::Metadata::Application blockcopy(copy, /*copy=*/false); + if(!blockcopy.is_valid()) + return die_("!blockcopy.is_valid()"); + if(blockcopy != application_) + return die_("copy is not identical to original"); + printf("OK\n"); + } + + printf("testing Application::assign(const ::FLAC__StreamMetadata *, copy=true)... +\n"); + printf(" Application::operator!=(const ::FLAC__StreamMetadata *)... "); + { + FLAC::Metadata::Application blockcopy; + blockcopy.assign(&application_, /*copy=*/true); + if(!blockcopy.is_valid()) + return die_("!blockcopy.is_valid()"); + if(blockcopy != application_) + return die_("copy is not identical to original"); + printf("OK\n"); + } + + printf("testing Application::assign(const ::FLAC__StreamMetadata *, copy=false)... +\n"); + printf(" Application::operator!=(const ::FLAC__StreamMetadata *)... "); + { + ::FLAC__StreamMetadata *copy = ::FLAC__metadata_object_clone(&application_); + FLAC::Metadata::Application blockcopy; + blockcopy.assign(copy, /*copy=*/false); + if(!blockcopy.is_valid()) + return die_("!blockcopy.is_valid()"); + if(blockcopy != application_) + return die_("copy is not identical to original"); + printf("OK\n"); + } + + printf("testing Application::operator=(const Application &)... +\n"); + printf(" Application::operator==(const Application &)... "); + { + FLAC::Metadata::Application blockcopy = block; + if(!blockcopy.is_valid()) + return die_("!blockcopy.is_valid()"); + if(!(blockcopy == block)) + return die_("copy is not identical to original"); + printf("OK\n"); + } + + printf("testing Application::operator=(const ::FLAC__StreamMetadata &)... +\n"); + printf(" Application::operator==(const ::FLAC__StreamMetadata &)... "); + { + FLAC::Metadata::Application blockcopy = application_; + if(!blockcopy.is_valid()) + return die_("!blockcopy.is_valid()"); + if(!(blockcopy == application_)) + return die_("copy is not identical to original"); + printf("OK\n"); + } + + printf("testing Application::operator=(const ::FLAC__StreamMetadata *)... +\n"); + printf(" Application::operator==(const ::FLAC__StreamMetadata *)... "); + { + FLAC::Metadata::Application blockcopy = &application_; + if(!blockcopy.is_valid()) + return die_("!blockcopy.is_valid()"); + if(!(blockcopy == application_)) + return die_("copy is not identical to original"); + printf("OK\n"); + } + + printf("testing Application::set_id()... "); + block.set_id(application_.data.application.id); + printf("OK\n"); + + printf("testing Application::set_data()... "); + block.set_data(application_.data.application.data, application_.length - sizeof(application_.data.application.id), /*copy=*/true); + printf("OK\n"); + + printf("testing Application::get_id()... "); + if(0 != memcmp(block.get_id(), application_.data.application.id, sizeof(application_.data.application.id))) + return die_("value mismatch, doesn't match previously set value"); + printf("OK\n"); + + printf("testing Application::get_data()... "); + if(0 != memcmp(block.get_data(), application_.data.application.data, application_.length - sizeof(application_.data.application.id))) + return die_("value mismatch, doesn't match previously set value"); + printf("OK\n"); + + printf("testing FLAC::Metadata::clone(const FLAC::Metadata::Prototype *)... "); + FLAC::Metadata::Prototype *clone_ = FLAC::Metadata::clone(&block); + if(0 == clone_) + return die_("returned NULL"); + if(0 == dynamic_cast<FLAC::Metadata::Application *>(clone_)) + return die_("downcast is NULL"); + if(*dynamic_cast<FLAC::Metadata::Application *>(clone_) != block) + return die_("clone is not identical"); + printf("OK\n"); + printf("testing Application::~Application()... "); + delete clone_; + printf("OK\n"); + + + printf("PASSED\n\n"); + return true; +} + +bool test_metadata_object_seektable() +{ + uint32_t expected_length; + + printf("testing class FLAC::Metadata::SeekTable\n"); + + printf("testing SeekTable::SeekTable()... "); + FLAC::Metadata::SeekTable block; + if(!block.is_valid()) + return die_("!block.is_valid()"); + expected_length = 0; + if(block.get_length() != expected_length) { + printf("FAILED, bad length, expected %u, got %u\n", expected_length, block.get_length()); + return false; + } + printf("OK\n"); + + printf("testing SeekTable::SeekTable(const SeekTable &)... +\n"); + printf(" SeekTable::operator!=(const SeekTable &)... "); + { + FLAC::Metadata::SeekTable blockcopy(block); + if(!blockcopy.is_valid()) + return die_("!blockcopy.is_valid()"); + if(blockcopy != block) + return die_("copy is not identical to original"); + printf("OK\n"); + + printf("testing SeekTable::~SeekTable()... "); + } + printf("OK\n"); + + printf("testing SeekTable::SeekTable(const ::FLAC__StreamMetadata &)... +\n"); + printf(" SeekTable::operator!=(const ::FLAC__StreamMetadata &)... "); + { + FLAC::Metadata::SeekTable blockcopy(seektable_); + if(!blockcopy.is_valid()) + return die_("!blockcopy.is_valid()"); + if(blockcopy != seektable_) + return die_("copy is not identical to original"); + printf("OK\n"); + } + + printf("testing SeekTable::SeekTable(const ::FLAC__StreamMetadata *)... +\n"); + printf(" SeekTable::operator!=(const ::FLAC__StreamMetadata *)... "); + { + FLAC::Metadata::SeekTable blockcopy(&seektable_); + if(!blockcopy.is_valid()) + return die_("!blockcopy.is_valid()"); + if(blockcopy != seektable_) + return die_("copy is not identical to original"); + printf("OK\n"); + } + + printf("testing SeekTable::SeekTable(const ::FLAC__StreamMetadata *, copy=true)... +\n"); + printf(" SeekTable::operator!=(const ::FLAC__StreamMetadata *)... "); + { + FLAC::Metadata::SeekTable blockcopy(&seektable_, /*copy=*/true); + if(!blockcopy.is_valid()) + return die_("!blockcopy.is_valid()"); + if(blockcopy != seektable_) + return die_("copy is not identical to original"); + printf("OK\n"); + } + + printf("testing SeekTable::SeekTable(const ::FLAC__StreamMetadata *, copy=false)... +\n"); + printf(" SeekTable::operator!=(const ::FLAC__StreamMetadata *)... "); + { + ::FLAC__StreamMetadata *copy = ::FLAC__metadata_object_clone(&seektable_); + FLAC::Metadata::SeekTable blockcopy(copy, /*copy=*/false); + if(!blockcopy.is_valid()) + return die_("!blockcopy.is_valid()"); + if(blockcopy != seektable_) + return die_("copy is not identical to original"); + printf("OK\n"); + } + + printf("testing SeekTable::assign(const ::FLAC__StreamMetadata *, copy=true)... +\n"); + printf(" SeekTable::operator!=(const ::FLAC__StreamMetadata *)... "); + { + FLAC::Metadata::SeekTable blockcopy; + blockcopy.assign(&seektable_, /*copy=*/true); + if(!blockcopy.is_valid()) + return die_("!blockcopy.is_valid()"); + if(blockcopy != seektable_) + return die_("copy is not identical to original"); + printf("OK\n"); + } + + printf("testing SeekTable::assign(const ::FLAC__StreamMetadata *, copy=false)... +\n"); + printf(" SeekTable::operator!=(const ::FLAC__StreamMetadata *)... "); + { + ::FLAC__StreamMetadata *copy = ::FLAC__metadata_object_clone(&seektable_); + FLAC::Metadata::SeekTable blockcopy; + blockcopy.assign(copy, /*copy=*/false); + if(!blockcopy.is_valid()) + return die_("!blockcopy.is_valid()"); + if(blockcopy != seektable_) + return die_("copy is not identical to original"); + printf("OK\n"); + } + + printf("testing SeekTable::operator=(const SeekTable &)... +\n"); + printf(" SeekTable::operator==(const SeekTable &)... "); + { + FLAC::Metadata::SeekTable blockcopy = block; + if(!blockcopy.is_valid()) + return die_("!blockcopy.is_valid()"); + if(!(blockcopy == block)) + return die_("copy is not identical to original"); + printf("OK\n"); + } + + printf("testing SeekTable::operator=(const ::FLAC__StreamMetadata &)... +\n"); + printf(" SeekTable::operator==(const ::FLAC__StreamMetadata &)... "); + { + FLAC::Metadata::SeekTable blockcopy = seektable_; + if(!blockcopy.is_valid()) + return die_("!blockcopy.is_valid()"); + if(!(blockcopy == seektable_)) + return die_("copy is not identical to original"); + printf("OK\n"); + } + + printf("testing SeekTable::operator=(const ::FLAC__StreamMetadata *)... +\n"); + printf(" SeekTable::operator==(const ::FLAC__StreamMetadata *)... "); + { + FLAC::Metadata::SeekTable blockcopy = &seektable_; + if(!blockcopy.is_valid()) + return die_("!blockcopy.is_valid()"); + if(!(blockcopy == seektable_)) + return die_("copy is not identical to original"); + printf("OK\n"); + } + + printf("testing SeekTable::insert_point() x 3... "); + if(!block.insert_point(0, seektable_.data.seek_table.points[1])) + return die_("returned false"); + if(!block.insert_point(0, seektable_.data.seek_table.points[1])) + return die_("returned false"); + if(!block.insert_point(1, seektable_.data.seek_table.points[0])) + return die_("returned false"); + printf("OK\n"); + + printf("testing SeekTable::is_legal()... "); + if(block.is_legal()) + return die_("returned true"); + printf("OK\n"); + + printf("testing SeekTable::set_point()... "); + block.set_point(0, seektable_.data.seek_table.points[0]); + printf("OK\n"); + + printf("testing SeekTable::delete_point()... "); + if(!block.delete_point(0)) + return die_("returned false"); + printf("OK\n"); + + printf("testing SeekTable::is_legal()... "); + if(!block.is_legal()) + return die_("returned false"); + printf("OK\n"); + + printf("testing SeekTable::get_num_points()... "); + if(block.get_num_points() != seektable_.data.seek_table.num_points) + return die_("number mismatch"); + printf("OK\n"); + + printf("testing SeekTable::operator!=(const ::FLAC__StreamMetadata &)... "); + if(block != seektable_) + return die_("data mismatch"); + printf("OK\n"); + + printf("testing SeekTable::get_point()... "); + if( + block.get_point(1).sample_number != seektable_.data.seek_table.points[1].sample_number || + block.get_point(1).stream_offset != seektable_.data.seek_table.points[1].stream_offset || + block.get_point(1).frame_samples != seektable_.data.seek_table.points[1].frame_samples + ) + return die_("point mismatch"); + printf("OK\n"); + + printf("testing FLAC::Metadata::clone(const FLAC::Metadata::Prototype *)... "); + FLAC::Metadata::Prototype *clone_ = FLAC::Metadata::clone(&block); + if(0 == clone_) + return die_("returned NULL"); + if(0 == dynamic_cast<FLAC::Metadata::SeekTable *>(clone_)) + return die_("downcast is NULL"); + if(*dynamic_cast<FLAC::Metadata::SeekTable *>(clone_) != block) + return die_("clone is not identical"); + printf("OK\n"); + printf("testing SeekTable::~SeekTable()... "); + delete clone_; + printf("OK\n"); + + + printf("PASSED\n\n"); + return true; +} + +bool test_metadata_object_vorbiscomment() +{ + uint32_t expected_length; + + printf("testing class FLAC::Metadata::VorbisComment::Entry\n"); + + printf("testing Entry::Entry()... "); + { + FLAC::Metadata::VorbisComment::Entry entry1; + if(!entry1.is_valid()) + return die_("!is_valid()"); + printf("OK\n"); + + printf("testing Entry::~Entry()... "); + } + printf("OK\n"); + + printf("testing Entry::Entry(const char *field, uint32_t field_length)... "); + FLAC::Metadata::VorbisComment::Entry entry2("name2=value2", strlen("name2=value2")); + if(!entry2.is_valid()) + return die_("!is_valid()"); + printf("OK\n"); + + { + printf("testing Entry::Entry(const char *field)... "); + FLAC::Metadata::VorbisComment::Entry entry2z("name2=value2"); + if(!entry2z.is_valid()) + return die_("!is_valid()"); + if(strcmp(entry2.get_field(), entry2z.get_field())) + return die_("bad value"); + printf("OK\n"); + } + + printf("testing Entry::Entry(const char *field_name, const char *field_value, uint32_t field_value_length)... "); + FLAC::Metadata::VorbisComment::Entry entry3("name3", "value3", strlen("value3")); + if(!entry3.is_valid()) + return die_("!is_valid()"); + printf("OK\n"); + + { + printf("testing Entry::Entry(const char *field_name, const char *field_value)... "); + FLAC::Metadata::VorbisComment::Entry entry3z("name3", "value3"); + if(!entry3z.is_valid()) + return die_("!is_valid()"); + if(strcmp(entry3.get_field(), entry3z.get_field())) + return die_("bad value"); + printf("OK\n"); + } + + printf("testing Entry::Entry(const Entry &entry)... "); + { + FLAC::Metadata::VorbisComment::Entry entry2copy(entry2); + if(!entry2copy.is_valid()) + return die_("!is_valid()"); + printf("OK\n"); + + printf("testing Entry::~Entry()... "); + } + printf("OK\n"); + + printf("testing Entry::operator=(const Entry &entry)... "); + FLAC::Metadata::VorbisComment::Entry entry1 = entry2; + if(!entry2.is_valid()) + return die_("!is_valid()"); + printf("OK\n"); + + printf("testing Entry::get_field_length()... "); + if(entry1.get_field_length() != strlen("name2=value2")) + return die_("value mismatch"); + printf("OK\n"); + + printf("testing Entry::get_field_name_length()... "); + if(entry1.get_field_name_length() != strlen("name2")) + return die_("value mismatch"); + printf("OK\n"); + + printf("testing Entry::get_field_value_length()... "); + if(entry1.get_field_value_length() != strlen("value2")) + return die_("value mismatch"); + printf("OK\n"); + + printf("testing Entry::get_entry()... "); + { + ::FLAC__StreamMetadata_VorbisComment_Entry entry = entry1.get_entry(); + if(entry.length != strlen("name2=value2")) + return die_("entry length mismatch"); + if(0 != memcmp(entry.entry, "name2=value2", entry.length)) + return die_("entry value mismatch"); + } + printf("OK\n"); + + printf("testing Entry::get_field()... "); + if(0 != memcmp(entry1.get_field(), "name2=value2", strlen("name2=value2"))) + return die_("value mismatch"); + printf("OK\n"); + + printf("testing Entry::get_field_name()... "); + if(0 != memcmp(entry1.get_field_name(), "name2", strlen("name2"))) + return die_("value mismatch"); + printf("OK\n"); + + printf("testing Entry::get_field_value()... "); + if(0 != memcmp(entry1.get_field_value(), "value2", strlen("value2"))) + return die_("value mismatch"); + printf("OK\n"); + + printf("testing Entry::set_field_name()... "); + if(!entry1.set_field_name("name1")) + return die_("returned false"); + if(0 != memcmp(entry1.get_field_name(), "name1", strlen("name1"))) + return die_("value mismatch"); + if(0 != memcmp(entry1.get_field(), "name1=value2", strlen("name1=value2"))) + return die_("entry mismatch"); + printf("OK\n"); + + printf("testing Entry::set_field_value(const char *field_value, uint32_t field_value_length)... "); + if(!entry1.set_field_value("value1", strlen("value1"))) + return die_("returned false"); + if(0 != memcmp(entry1.get_field_value(), "value1", strlen("value1"))) + return die_("value mismatch"); + if(0 != memcmp(entry1.get_field(), "name1=value1", strlen("name1=value1"))) + return die_("entry mismatch"); + printf("OK\n"); + + printf("testing Entry::set_field_value(const char *field_value)... "); + if(!entry1.set_field_value("value1")) + return die_("returned false"); + if(0 != memcmp(entry1.get_field_value(), "value1", strlen("value1"))) + return die_("value mismatch"); + if(0 != memcmp(entry1.get_field(), "name1=value1", strlen("name1=value1"))) + return die_("entry mismatch"); + printf("OK\n"); + + printf("testing Entry::set_field(const char *field, uint32_t field_length)... "); + if(!entry1.set_field("name0=value0", strlen("name0=value0"))) + return die_("returned false"); + if(0 != memcmp(entry1.get_field_name(), "name0", strlen("name0"))) + return die_("value mismatch"); + if(0 != memcmp(entry1.get_field_value(), "value0", strlen("value0"))) + return die_("value mismatch"); + if(0 != memcmp(entry1.get_field(), "name0=value0", strlen("name0=value0"))) + return die_("entry mismatch"); + printf("OK\n"); + + printf("testing Entry::set_field(const char *field)... "); + if(!entry1.set_field("name0=value0")) + return die_("returned false"); + if(0 != memcmp(entry1.get_field_name(), "name0", strlen("name0"))) + return die_("value mismatch"); + if(0 != memcmp(entry1.get_field_value(), "value0", strlen("value0"))) + return die_("value mismatch"); + if(0 != memcmp(entry1.get_field(), "name0=value0", strlen("name0=value0"))) + return die_("entry mismatch"); + printf("OK\n"); + + printf("PASSED\n\n"); + + + printf("testing class FLAC::Metadata::VorbisComment\n"); + + printf("testing VorbisComment::VorbisComment()... "); + FLAC::Metadata::VorbisComment block; + if(!block.is_valid()) + return die_("!block.is_valid()"); + expected_length = (FLAC__STREAM_METADATA_VORBIS_COMMENT_ENTRY_LENGTH_LEN/8 + strlen(::FLAC__VENDOR_STRING) + FLAC__STREAM_METADATA_VORBIS_COMMENT_NUM_COMMENTS_LEN/8); + if(block.get_length() != expected_length) { + printf("FAILED, bad length, expected %u, got %u\n", expected_length, block.get_length()); + return false; + } + printf("OK\n"); + + printf("testing VorbisComment::VorbisComment(const VorbisComment &)... +\n"); + printf(" VorbisComment::operator!=(const VorbisComment &)... "); + { + FLAC::Metadata::VorbisComment blockcopy(block); + if(!blockcopy.is_valid()) + return die_("!blockcopy.is_valid()"); + if(blockcopy != block) + return die_("copy is not identical to original"); + printf("OK\n"); + + printf("testing VorbisComment::~VorbisComment()... "); + } + printf("OK\n"); + + printf("testing VorbisComment::VorbisComment(const ::FLAC__StreamMetadata &)... +\n"); + printf(" VorbisComment::operator!=(const ::FLAC__StreamMetadata &)... "); + { + FLAC::Metadata::VorbisComment blockcopy(vorbiscomment_); + if(!blockcopy.is_valid()) + return die_("!blockcopy.is_valid()"); + if(blockcopy != vorbiscomment_) + return die_("copy is not identical to original"); + printf("OK\n"); + } + + printf("testing VorbisComment::VorbisComment(const ::FLAC__StreamMetadata *)... +\n"); + printf(" VorbisComment::operator!=(const ::FLAC__StreamMetadata *)... "); + { + FLAC::Metadata::VorbisComment blockcopy(&vorbiscomment_); + if(!blockcopy.is_valid()) + return die_("!blockcopy.is_valid()"); + if(blockcopy != vorbiscomment_) + return die_("copy is not identical to original"); + printf("OK\n"); + } + + printf("testing VorbisComment::VorbisComment(const ::FLAC__StreamMetadata *, copy=true)... +\n"); + printf(" VorbisComment::operator!=(const ::FLAC__StreamMetadata *)... "); + { + FLAC::Metadata::VorbisComment blockcopy(&vorbiscomment_, /*copy=*/true); + if(!blockcopy.is_valid()) + return die_("!blockcopy.is_valid()"); + if(blockcopy != vorbiscomment_) + return die_("copy is not identical to original"); + printf("OK\n"); + } + + printf("testing VorbisComment::VorbisComment(const ::FLAC__StreamMetadata *, copy=false)... +\n"); + printf(" VorbisComment::operator!=(const ::FLAC__StreamMetadata *)... "); + { + ::FLAC__StreamMetadata *copy = ::FLAC__metadata_object_clone(&vorbiscomment_); + FLAC::Metadata::VorbisComment blockcopy(copy, /*copy=*/false); + if(!blockcopy.is_valid()) + return die_("!blockcopy.is_valid()"); + if(blockcopy != vorbiscomment_) + return die_("copy is not identical to original"); + printf("OK\n"); + } + + printf("testing VorbisComment::assign(const ::FLAC__StreamMetadata *, copy=true)... +\n"); + printf(" VorbisComment::operator!=(const ::FLAC__StreamMetadata *)... "); + { + FLAC::Metadata::VorbisComment blockcopy; + blockcopy.assign(&vorbiscomment_, /*copy=*/true); + if(!blockcopy.is_valid()) + return die_("!blockcopy.is_valid()"); + if(blockcopy != vorbiscomment_) + return die_("copy is not identical to original"); + printf("OK\n"); + } + + printf("testing VorbisComment::assign(const ::FLAC__StreamMetadata *, copy=false)... +\n"); + printf(" VorbisComment::operator!=(const ::FLAC__StreamMetadata *)... "); + { + ::FLAC__StreamMetadata *copy = ::FLAC__metadata_object_clone(&vorbiscomment_); + FLAC::Metadata::VorbisComment blockcopy; + blockcopy.assign(copy, /*copy=*/false); + if(!blockcopy.is_valid()) + return die_("!blockcopy.is_valid()"); + if(blockcopy != vorbiscomment_) + return die_("copy is not identical to original"); + printf("OK\n"); + } + + printf("testing VorbisComment::operator=(const VorbisComment &)... +\n"); + printf(" VorbisComment::operator==(const VorbisComment &)... "); + { + FLAC::Metadata::VorbisComment blockcopy = block; + if(!blockcopy.is_valid()) + return die_("!blockcopy.is_valid()"); + if(!(blockcopy == block)) + return die_("copy is not identical to original"); + printf("OK\n"); + } + + printf("testing VorbisComment::operator=(const ::FLAC__StreamMetadata &)... +\n"); + printf(" VorbisComment::operator==(const ::FLAC__StreamMetadata &)... "); + { + FLAC::Metadata::VorbisComment blockcopy = vorbiscomment_; + if(!blockcopy.is_valid()) + return die_("!blockcopy.is_valid()"); + if(!(blockcopy == vorbiscomment_)) + return die_("copy is not identical to original"); + printf("OK\n"); + } + + printf("testing VorbisComment::operator=(const ::FLAC__StreamMetadata *)... +\n"); + printf(" VorbisComment::operator==(const ::FLAC__StreamMetadata *)... "); + { + FLAC::Metadata::VorbisComment blockcopy = &vorbiscomment_; + if(!blockcopy.is_valid()) + return die_("!blockcopy.is_valid()"); + if(!(blockcopy == vorbiscomment_)) + return die_("copy is not identical to original"); + printf("OK\n"); + } + + printf("testing VorbisComment::get_num_comments()... "); + if(block.get_num_comments() != 0) + return die_("value mismatch, expected 0"); + printf("OK\n"); + + printf("testing VorbisComment::set_vendor_string()... "); + if(!block.set_vendor_string((const FLAC__byte *)"mame0")) + return die_("returned false"); + printf("OK\n"); + vorbiscomment_.data.vorbis_comment.vendor_string.entry[0] = 'm'; + + printf("testing VorbisComment::get_vendor_string()... "); + if(strlen((const char *)block.get_vendor_string()) != vorbiscomment_.data.vorbis_comment.vendor_string.length) + return die_("length mismatch"); + if(0 != memcmp(block.get_vendor_string(), vorbiscomment_.data.vorbis_comment.vendor_string.entry, vorbiscomment_.data.vorbis_comment.vendor_string.length)) + return die_("value mismatch"); + printf("OK\n"); + + printf("testing VorbisComment::append_comment()... +\n"); + printf(" VorbisComment::get_comment()... "); + if(!block.append_comment(entry3)) + return die_("returned false"); + if(block.get_comment(0).get_field_length() != vorbiscomment_.data.vorbis_comment.comments[1].length) + return die_("length mismatch"); + if(0 != memcmp(block.get_comment(0).get_field(), vorbiscomment_.data.vorbis_comment.comments[1].entry, vorbiscomment_.data.vorbis_comment.comments[1].length)) + return die_("value mismatch"); + printf("OK\n"); + + printf("testing VorbisComment::append_comment()... +\n"); + printf(" VorbisComment::get_comment()... "); + if(!block.append_comment(entry2)) + return die_("returned false"); + if(block.get_comment(1).get_field_length() != vorbiscomment_.data.vorbis_comment.comments[0].length) + return die_("length mismatch"); + if(0 != memcmp(block.get_comment(1).get_field(), vorbiscomment_.data.vorbis_comment.comments[0].entry, vorbiscomment_.data.vorbis_comment.comments[0].length)) + return die_("value mismatch"); + printf("OK\n"); + + printf("testing VorbisComment::delete_comment()... +\n"); + printf(" VorbisComment::get_comment()... "); + if(!block.delete_comment(0)) + return die_("returned false"); + if(block.get_comment(0).get_field_length() != vorbiscomment_.data.vorbis_comment.comments[0].length) + return die_("length[0] mismatch"); + if(0 != memcmp(block.get_comment(0).get_field(), vorbiscomment_.data.vorbis_comment.comments[0].entry, vorbiscomment_.data.vorbis_comment.comments[0].length)) + return die_("value[0] mismatch"); + printf("OK\n"); + + printf("testing VorbisComment::delete_comment()... +\n"); + printf(" VorbisComment::get_comment()... "); + if(!block.delete_comment(0)) + return die_("returned false"); + if(block.get_num_comments() != 0) + return die_("block mismatch, expected num_comments = 0"); + printf("OK\n"); + + printf("testing VorbisComment::insert_comment()... +\n"); + printf(" VorbisComment::get_comment()... "); + if(!block.insert_comment(0, entry3)) + return die_("returned false"); + if(block.get_comment(0).get_field_length() != vorbiscomment_.data.vorbis_comment.comments[1].length) + return die_("length mismatch"); + if(0 != memcmp(block.get_comment(0).get_field(), vorbiscomment_.data.vorbis_comment.comments[1].entry, vorbiscomment_.data.vorbis_comment.comments[1].length)) + return die_("value mismatch"); + printf("OK\n"); + + printf("testing VorbisComment::insert_comment()... +\n"); + printf(" VorbisComment::get_comment()... "); + if(!block.insert_comment(0, entry3)) + return die_("returned false"); + if(block.get_comment(0).get_field_length() != vorbiscomment_.data.vorbis_comment.comments[1].length) + return die_("length mismatch"); + if(0 != memcmp(block.get_comment(0).get_field(), vorbiscomment_.data.vorbis_comment.comments[1].entry, vorbiscomment_.data.vorbis_comment.comments[1].length)) + return die_("value mismatch"); + printf("OK\n"); + + printf("testing VorbisComment::insert_comment()... +\n"); + printf(" VorbisComment::get_comment()... "); + if(!block.insert_comment(1, entry2)) + return die_("returned false"); + if(block.get_comment(1).get_field_length() != vorbiscomment_.data.vorbis_comment.comments[0].length) + return die_("length mismatch"); + if(0 != memcmp(block.get_comment(1).get_field(), vorbiscomment_.data.vorbis_comment.comments[0].entry, vorbiscomment_.data.vorbis_comment.comments[0].length)) + return die_("value mismatch"); + printf("OK\n"); + + printf("testing VorbisComment::set_comment()... +\n"); + printf(" VorbisComment::get_comment()... "); + if(!block.set_comment(0, entry2)) + return die_("returned false"); + if(block.get_comment(0).get_field_length() != vorbiscomment_.data.vorbis_comment.comments[0].length) + return die_("length mismatch"); + if(0 != memcmp(block.get_comment(0).get_field(), vorbiscomment_.data.vorbis_comment.comments[0].entry, vorbiscomment_.data.vorbis_comment.comments[0].length)) + return die_("value mismatch"); + printf("OK\n"); + + printf("testing VorbisComment::delete_comment()... +\n"); + printf(" VorbisComment::get_comment()... "); + if(!block.delete_comment(0)) + return die_("returned false"); + if(block.get_comment(0).get_field_length() != vorbiscomment_.data.vorbis_comment.comments[0].length) + return die_("length[0] mismatch"); + if(0 != memcmp(block.get_comment(0).get_field(), vorbiscomment_.data.vorbis_comment.comments[0].entry, vorbiscomment_.data.vorbis_comment.comments[0].length)) + return die_("value[0] mismatch"); + if(block.get_comment(1).get_field_length() != vorbiscomment_.data.vorbis_comment.comments[1].length) + return die_("length[1] mismatch"); + if(0 != memcmp(block.get_comment(1).get_field(), vorbiscomment_.data.vorbis_comment.comments[1].entry, vorbiscomment_.data.vorbis_comment.comments[1].length)) + return die_("value[0] mismatch"); + printf("OK\n"); + + printf("testing FLAC::Metadata::clone(const FLAC::Metadata::Prototype *)... "); + FLAC::Metadata::Prototype *clone_ = FLAC::Metadata::clone(&block); + if(0 == clone_) + return die_("returned NULL"); + if(0 == dynamic_cast<FLAC::Metadata::VorbisComment *>(clone_)) + return die_("downcast is NULL"); + if(*dynamic_cast<FLAC::Metadata::VorbisComment *>(clone_) != block) + return die_("clone is not identical"); + printf("OK\n"); + printf("testing VorbisComment::~VorbisComment()... "); + delete clone_; + printf("OK\n"); + + + printf("PASSED\n\n"); + return true; +} + +bool test_metadata_object_cuesheet() +{ + uint32_t expected_length; + + printf("testing class FLAC::Metadata::CueSheet::Track\n"); + + printf("testing Track::Track()... "); + FLAC::Metadata::CueSheet::Track track0; + if(!track0.is_valid()) + return die_("!is_valid()"); + printf("OK\n"); + + { + printf("testing Track::get_track()... "); + const ::FLAC__StreamMetadata_CueSheet_Track *trackp = track0.get_track(); + if(0 == trackp) + return die_("returned pointer is NULL"); + printf("OK\n"); + + printf("testing Track::Track(const ::FLAC__StreamMetadata_CueSheet_Track*)... "); + FLAC::Metadata::CueSheet::Track track2(trackp); + if(!track2.is_valid()) + return die_("!is_valid()"); + if(!track_is_equal_(track2.get_track(), trackp)) + return die_("copy is not equal"); + printf("OK\n"); + + printf("testing Track::~Track()... "); + } + printf("OK\n"); + + printf("testing Track::Track(const Track &track)... "); + { + FLAC::Metadata::CueSheet::Track track0copy(track0); + if(!track0copy.is_valid()) + return die_("!is_valid()"); + if(!track_is_equal_(track0copy.get_track(), track0.get_track())) + return die_("copy is not equal"); + printf("OK\n"); + + printf("testing Track::~Track()... "); + } + printf("OK\n"); + + printf("testing Track::operator=(const Track &track)... "); + FLAC::Metadata::CueSheet::Track track1 = track0; + if(!track0.is_valid()) + return die_("!is_valid()"); + if(!track_is_equal_(track1.get_track(), track0.get_track())) + return die_("copy is not equal"); + printf("OK\n"); + + printf("testing Track::get_offset()... "); + if(track1.get_offset() != 0) + return die_("value mismatch"); + printf("OK\n"); + + printf("testing Track::get_number()... "); + if(track1.get_number() != 0) + return die_("value mismatch"); + printf("OK\n"); + + printf("testing Track::get_isrc()... "); + if(0 != memcmp(track1.get_isrc(), "\0\0\0\0\0\0\0\0\0\0\0\0\0", 13)) + return die_("value mismatch"); + printf("OK\n"); + + printf("testing Track::get_type()... "); + if(track1.get_type() != 0) + return die_("value mismatch"); + printf("OK\n"); + + printf("testing Track::get_pre_emphasis()... "); + if(track1.get_pre_emphasis() != 0) + return die_("value mismatch"); + printf("OK\n"); + + printf("testing Track::get_num_indices()... "); + if(track1.get_num_indices() != 0) + return die_("value mismatch"); + printf("OK\n"); + + printf("testing Track::set_offset()... "); + track1.set_offset(588); + if(track1.get_offset() != 588) + return die_("value mismatch"); + printf("OK\n"); + + printf("testing Track::set_number()... "); + track1.set_number(1); + if(track1.get_number() != 1) + return die_("value mismatch"); + printf("OK\n"); + + printf("testing Track::set_isrc()... "); + track1.set_isrc("ABCDE1234567"); + if(0 != memcmp(track1.get_isrc(), "ABCDE1234567", 13)) + return die_("value mismatch"); + printf("OK\n"); + + printf("testing Track::set_type()... "); + track1.set_type(1); + if(track1.get_type() != 1) + return die_("value mismatch"); + printf("OK\n"); + + printf("testing Track::set_pre_emphasis()... "); + track1.set_pre_emphasis(1); + if(track1.get_pre_emphasis() != 1) + return die_("value mismatch"); + printf("OK\n"); + + printf("PASSED\n\n"); + + printf("testing class FLAC::Metadata::CueSheet\n"); + + printf("testing CueSheet::CueSheet()... "); + FLAC::Metadata::CueSheet block; + if(!block.is_valid()) + return die_("!block.is_valid()"); + expected_length = ( + FLAC__STREAM_METADATA_CUESHEET_MEDIA_CATALOG_NUMBER_LEN + + FLAC__STREAM_METADATA_CUESHEET_LEAD_IN_LEN + + FLAC__STREAM_METADATA_CUESHEET_IS_CD_LEN + + FLAC__STREAM_METADATA_CUESHEET_RESERVED_LEN + + FLAC__STREAM_METADATA_CUESHEET_NUM_TRACKS_LEN + ) / 8; + if(block.get_length() != expected_length) { + printf("FAILED, bad length, expected %u, got %u\n", expected_length, block.get_length()); + return false; + } + printf("OK\n"); + + printf("testing CueSheet::CueSheet(const CueSheet &)... +\n"); + printf(" CueSheet::operator!=(const CueSheet &)... "); + { + FLAC::Metadata::CueSheet blockcopy(block); + if(!blockcopy.is_valid()) + return die_("!blockcopy.is_valid()"); + if(blockcopy != block) + return die_("copy is not identical to original"); + printf("OK\n"); + + printf("testing CueSheet::~CueSheet()... "); + } + printf("OK\n"); + + printf("testing CueSheet::CueSheet(const ::FLAC__StreamMetadata &)... +\n"); + printf(" CueSheet::operator!=(const ::FLAC__StreamMetadata &)... "); + { + FLAC::Metadata::CueSheet blockcopy(cuesheet_); + if(!blockcopy.is_valid()) + return die_("!blockcopy.is_valid()"); + if(blockcopy != cuesheet_) + return die_("copy is not identical to original"); + printf("OK\n"); + } + + printf("testing CueSheet::CueSheet(const ::FLAC__StreamMetadata *)... +\n"); + printf(" CueSheet::operator!=(const ::FLAC__StreamMetadata *)... "); + { + FLAC::Metadata::CueSheet blockcopy(&cuesheet_); + if(!blockcopy.is_valid()) + return die_("!blockcopy.is_valid()"); + if(blockcopy != cuesheet_) + return die_("copy is not identical to original"); + printf("OK\n"); + } + + printf("testing CueSheet::CueSheet(const ::FLAC__StreamMetadata *, copy=true)... +\n"); + printf(" CueSheet::operator!=(const ::FLAC__StreamMetadata *)... "); + { + FLAC::Metadata::CueSheet blockcopy(&cuesheet_, /*copy=*/true); + if(!blockcopy.is_valid()) + return die_("!blockcopy.is_valid()"); + if(blockcopy != cuesheet_) + return die_("copy is not identical to original"); + printf("OK\n"); + } + + printf("testing CueSheet::CueSheet(const ::FLAC__StreamMetadata *, copy=false)... +\n"); + printf(" CueSheet::operator!=(const ::FLAC__StreamMetadata *)... "); + { + ::FLAC__StreamMetadata *copy = ::FLAC__metadata_object_clone(&cuesheet_); + FLAC::Metadata::CueSheet blockcopy(copy, /*copy=*/false); + if(!blockcopy.is_valid()) + return die_("!blockcopy.is_valid()"); + if(blockcopy != cuesheet_) + return die_("copy is not identical to original"); + printf("OK\n"); + } + + printf("testing CueSheet::assign(const ::FLAC__StreamMetadata *, copy=true)... +\n"); + printf(" CueSheet::operator!=(const ::FLAC__StreamMetadata *)... "); + { + FLAC::Metadata::CueSheet blockcopy; + blockcopy.assign(&cuesheet_, /*copy=*/true); + if(!blockcopy.is_valid()) + return die_("!blockcopy.is_valid()"); + if(blockcopy != cuesheet_) + return die_("copy is not identical to original"); + printf("OK\n"); + } + + printf("testing CueSheet::assign(const ::FLAC__StreamMetadata *, copy=false)... +\n"); + printf(" CueSheet::operator!=(const ::FLAC__StreamMetadata *)... "); + { + ::FLAC__StreamMetadata *copy = ::FLAC__metadata_object_clone(&cuesheet_); + FLAC::Metadata::CueSheet blockcopy; + blockcopy.assign(copy, /*copy=*/false); + if(!blockcopy.is_valid()) + return die_("!blockcopy.is_valid()"); + if(blockcopy != cuesheet_) + return die_("copy is not identical to original"); + printf("OK\n"); + } + + printf("testing CueSheet::operator=(const CueSheet &)... +\n"); + printf(" CueSheet::operator==(const CueSheet &)... "); + { + FLAC::Metadata::CueSheet blockcopy = block; + if(!blockcopy.is_valid()) + return die_("!blockcopy.is_valid()"); + if(!(blockcopy == block)) + return die_("copy is not identical to original"); + printf("OK\n"); + } + + printf("testing CueSheet::operator=(const ::FLAC__StreamMetadata &)... +\n"); + printf(" CueSheet::operator==(const ::FLAC__StreamMetadata &)... "); + { + FLAC::Metadata::CueSheet blockcopy = cuesheet_; + if(!blockcopy.is_valid()) + return die_("!blockcopy.is_valid()"); + if(!(blockcopy == cuesheet_)) + return die_("copy is not identical to original"); + printf("OK\n"); + } + + printf("testing CueSheet::operator=(const ::FLAC__StreamMetadata *)... +\n"); + printf(" CueSheet::operator==(const ::FLAC__StreamMetadata *)... "); + { + FLAC::Metadata::CueSheet blockcopy = &cuesheet_; + if(!blockcopy.is_valid()) + return die_("!blockcopy.is_valid()"); + if(!(blockcopy == cuesheet_)) + return die_("copy is not identical to original"); + printf("OK\n"); + } + + printf("testing CueSheet::get_media_catalog_number()... "); + if(0 != strcmp(block.get_media_catalog_number(), "")) + return die_("value mismatch"); + printf("OK\n"); + + printf("testing CueSheet::get_lead_in()... "); + if(block.get_lead_in() != 0) + return die_("value mismatch, expected 0"); + printf("OK\n"); + + printf("testing CueSheet::get_is_cd()... "); + if(block.get_is_cd()) + return die_("value mismatch, expected false"); + printf("OK\n"); + + printf("testing CueSheet::get_num_tracks()... "); + if(block.get_num_tracks() != 0) + return die_("value mismatch, expected 0"); + printf("OK\n"); + + printf("testing CueSheet::set_media_catalog_number()... "); + { + char mcn[129]; + memset(mcn, 0, sizeof(mcn)); + safe_strncpy(mcn, "1234567890123", sizeof(mcn)); + block.set_media_catalog_number(mcn); + if(0 != memcmp(block.get_media_catalog_number(), mcn, sizeof(mcn))) + return die_("value mismatch"); + } + printf("OK\n"); + + printf("testing CueSheet::set_lead_in()... "); + block.set_lead_in(588); + if(block.get_lead_in() != 588) + return die_("value mismatch"); + printf("OK\n"); + + printf("testing CueSheet::set_is_cd()... "); + block.set_is_cd(true); + if(!block.get_is_cd()) + return die_("value mismatch"); + printf("OK\n"); + + printf("testing CueSheet::insert_track()... +\n"); + printf(" CueSheet::get_track()... "); + if(!block.insert_track(0, track0)) + return die_("returned false"); + if(!track_is_equal_(block.get_track(0).get_track(), track0.get_track())) + return die_("value mismatch"); + printf("OK\n"); + + printf("testing CueSheet::insert_track()... +\n"); + printf(" CueSheet::get_track()... "); + if(!block.insert_track(1, track1)) + return die_("returned false"); + if(!track_is_equal_(block.get_track(1).get_track(), track1.get_track())) + return die_("value mismatch"); + printf("OK\n"); + + ::FLAC__StreamMetadata_CueSheet_Index index0; + index0.offset = 588*4; + index0.number = 1; + + printf("testing CueSheet::insert_index(0)... +\n"); + printf(" CueSheet::get_track()... +\n"); + printf(" CueSheet::Track::get_index()... "); + if(!block.insert_index(0, 0, index0)) + return die_("returned false"); + if(!index_is_equal_(block.get_track(0).get_index(0), index0)) + return die_("value mismatch"); + printf("OK\n"); + + index0.offset = 588*5; + printf("testing CueSheet::Track::set_index()... "); + { + FLAC::Metadata::CueSheet::Track track_ = block.get_track(0); + track_.set_index(0, index0); + if(!index_is_equal_(track_.get_index(0), index0)) + return die_("value mismatch"); + } + printf("OK\n"); + + index0.offset = 588*6; + printf("testing CueSheet::set_index()... "); + block.set_index(0, 0, index0); + if(!index_is_equal_(block.get_track(0).get_index(0), index0)) + return die_("value mismatch"); + printf("OK\n"); + + printf("testing CueSheet::delete_index()... "); + if(!block.delete_index(0, 0)) + return die_("returned false"); + if(block.get_track(0).get_num_indices() != 0) + return die_("num_indices mismatch"); + printf("OK\n"); + + + printf("testing CueSheet::set_track()... +\n"); + printf(" CueSheet::get_track()... "); + if(!block.set_track(0, track1)) + return die_("returned false"); + if(!track_is_equal_(block.get_track(0).get_track(), track1.get_track())) + return die_("value mismatch"); + printf("OK\n"); + + printf("testing CueSheet::delete_track()... "); + if(!block.delete_track(0)) + return die_("returned false"); + if(block.get_num_tracks() != 1) + return die_("num_tracks mismatch"); + printf("OK\n"); + + printf("testing FLAC::Metadata::clone(const FLAC::Metadata::Prototype *)... "); + FLAC::Metadata::Prototype *clone_ = FLAC::Metadata::clone(&block); + if(0 == clone_) + return die_("returned NULL"); + if(0 == dynamic_cast<FLAC::Metadata::CueSheet *>(clone_)) + return die_("downcast is NULL"); + if(*dynamic_cast<FLAC::Metadata::CueSheet *>(clone_) != block) + return die_("clone is not identical"); + printf("OK\n"); + printf("testing CueSheet::~CueSheet()... "); + delete clone_; + printf("OK\n"); + + printf("PASSED\n\n"); + return true; +} + +bool test_metadata_object_picture() +{ + uint32_t expected_length; + + printf("testing class FLAC::Metadata::Picture\n"); + + printf("testing Picture::Picture()... "); + FLAC::Metadata::Picture block; + if(!block.is_valid()) + return die_("!block.is_valid()"); + expected_length = ( + FLAC__STREAM_METADATA_PICTURE_TYPE_LEN + + FLAC__STREAM_METADATA_PICTURE_MIME_TYPE_LENGTH_LEN + + FLAC__STREAM_METADATA_PICTURE_DESCRIPTION_LENGTH_LEN + + FLAC__STREAM_METADATA_PICTURE_WIDTH_LEN + + FLAC__STREAM_METADATA_PICTURE_HEIGHT_LEN + + FLAC__STREAM_METADATA_PICTURE_DEPTH_LEN + + FLAC__STREAM_METADATA_PICTURE_COLORS_LEN + + FLAC__STREAM_METADATA_PICTURE_DATA_LENGTH_LEN + ) / 8; + if(block.get_length() != expected_length) { + printf("FAILED, bad length, expected %u, got %u\n", expected_length, block.get_length()); + return false; + } + printf("OK\n"); + + printf("testing Picture::Picture(const Picture &)... +\n"); + printf(" Picture::operator!=(const Picture &)... "); + { + FLAC::Metadata::Picture blockcopy(block); + if(!blockcopy.is_valid()) + return die_("!blockcopy.is_valid()"); + if(blockcopy != block) + return die_("copy is not identical to original"); + printf("OK\n"); + + printf("testing Picture::~Picture()... "); + } + printf("OK\n"); + + printf("testing Picture::Picture(const ::FLAC__StreamMetadata &)... +\n"); + printf(" Picture::operator!=(const ::FLAC__StreamMetadata &)... "); + { + FLAC::Metadata::Picture blockcopy(picture_); + if(!blockcopy.is_valid()) + return die_("!blockcopy.is_valid()"); + if(blockcopy != picture_) + return die_("copy is not identical to original"); + printf("OK\n"); + } + + printf("testing Picture::Picture(const ::FLAC__StreamMetadata *)... +\n"); + printf(" Picture::operator!=(const ::FLAC__StreamMetadata *)... "); + { + FLAC::Metadata::Picture blockcopy(&picture_); + if(!blockcopy.is_valid()) + return die_("!blockcopy.is_valid()"); + if(blockcopy != picture_) + return die_("copy is not identical to original"); + printf("OK\n"); + } + + printf("testing Picture::Picture(const ::FLAC__StreamMetadata *, copy=true)... +\n"); + printf(" Picture::operator!=(const ::FLAC__StreamMetadata *)... "); + { + FLAC::Metadata::Picture blockcopy(&picture_, /*copy=*/true); + if(!blockcopy.is_valid()) + return die_("!blockcopy.is_valid()"); + if(blockcopy != picture_) + return die_("copy is not identical to original"); + printf("OK\n"); + } + + printf("testing Picture::Picture(const ::FLAC__StreamMetadata *, copy=false)... +\n"); + printf(" Picture::operator!=(const ::FLAC__StreamMetadata *)... "); + { + ::FLAC__StreamMetadata *copy = ::FLAC__metadata_object_clone(&picture_); + FLAC::Metadata::Picture blockcopy(copy, /*copy=*/false); + if(!blockcopy.is_valid()) + return die_("!blockcopy.is_valid()"); + if(blockcopy != picture_) + return die_("copy is not identical to original"); + printf("OK\n"); + } + + printf("testing Picture::assign(const ::FLAC__StreamMetadata *, copy=true)... +\n"); + printf(" Picture::operator!=(const ::FLAC__StreamMetadata *)... "); + { + FLAC::Metadata::Picture blockcopy; + blockcopy.assign(&picture_, /*copy=*/true); + if(!blockcopy.is_valid()) + return die_("!blockcopy.is_valid()"); + if(blockcopy != picture_) + return die_("copy is not identical to original"); + printf("OK\n"); + } + + printf("testing Picture::assign(const ::FLAC__StreamMetadata *, copy=false)... +\n"); + printf(" Picture::operator!=(const ::FLAC__StreamMetadata *)... "); + { + ::FLAC__StreamMetadata *copy = ::FLAC__metadata_object_clone(&picture_); + FLAC::Metadata::Picture blockcopy; + blockcopy.assign(copy, /*copy=*/false); + if(!blockcopy.is_valid()) + return die_("!blockcopy.is_valid()"); + if(blockcopy != picture_) + return die_("copy is not identical to original"); + printf("OK\n"); + } + + printf("testing Picture::operator=(const Picture &)... +\n"); + printf(" Picture::operator==(const Picture &)... "); + { + FLAC::Metadata::Picture blockcopy = block; + if(!blockcopy.is_valid()) + return die_("!blockcopy.is_valid()"); + if(!(blockcopy == block)) + return die_("copy is not identical to original"); + printf("OK\n"); + } + + printf("testing Picture::operator=(const ::FLAC__StreamMetadata &)... +\n"); + printf(" Picture::operator==(const ::FLAC__StreamMetadata &)... "); + { + FLAC::Metadata::Picture blockcopy = picture_; + if(!blockcopy.is_valid()) + return die_("!blockcopy.is_valid()"); + if(!(blockcopy == picture_)) + return die_("copy is not identical to original"); + printf("OK\n"); + } + + printf("testing Picture::operator=(const ::FLAC__StreamMetadata *)... +\n"); + printf(" Picture::operator==(const ::FLAC__StreamMetadata *)... "); + { + FLAC::Metadata::Picture blockcopy = &picture_; + if(!blockcopy.is_valid()) + return die_("!blockcopy.is_valid()"); + if(!(blockcopy == picture_)) + return die_("copy is not identical to original"); + printf("OK\n"); + } + + printf("testing Picture::get_type()... "); + if(block.get_type() != ::FLAC__STREAM_METADATA_PICTURE_TYPE_OTHER) + return die_("value mismatch, expected ::FLAC__STREAM_METADATA_PICTURE_TYPE_OTHER"); + printf("OK\n"); + + printf("testing Picture::set_type()... +\n"); + printf(" Picture::get_type()... "); + block.set_type(::FLAC__STREAM_METADATA_PICTURE_TYPE_MEDIA); + if(block.get_type() != ::FLAC__STREAM_METADATA_PICTURE_TYPE_MEDIA) + return die_("value mismatch, expected ::FLAC__STREAM_METADATA_PICTURE_TYPE_MEDIA"); + printf("OK\n"); + + printf("testing Picture::set_mime_type()... "); + if(!block.set_mime_type("qmage/jpeg")) + return die_("returned false"); + printf("OK\n"); + picture_.data.picture.mime_type[0] = 'q'; + + printf("testing Picture::get_mime_type()... "); + if(0 != strcmp(block.get_mime_type(), picture_.data.picture.mime_type)) + return die_("value mismatch"); + printf("OK\n"); + + printf("testing Picture::set_description()... "); + if(!block.set_description((const FLAC__byte*)"qesc")) + return die_("returned false"); + printf("OK\n"); + picture_.data.picture.description[0] = 'q'; + + printf("testing Picture::get_description()... "); + if(0 != strcmp((const char *)block.get_description(), (const char *)picture_.data.picture.description)) + return die_("value mismatch"); + printf("OK\n"); + + printf("testing Picture::get_width()... "); + if(block.get_width() != 0) + return die_("value mismatch, expected 0"); + printf("OK\n"); + + printf("testing Picture::set_width()... +\n"); + printf(" Picture::get_width()... "); + block.set_width(400); + if(block.get_width() != 400) + return die_("value mismatch, expected 400"); + printf("OK\n"); + + printf("testing Picture::get_height()... "); + if(block.get_height() != 0) + return die_("value mismatch, expected 0"); + printf("OK\n"); + + printf("testing Picture::set_height()... +\n"); + printf(" Picture::get_height()... "); + block.set_height(200); + if(block.get_height() != 200) + return die_("value mismatch, expected 200"); + printf("OK\n"); + + printf("testing Picture::get_depth()... "); + if(block.get_depth() != 0) + return die_("value mismatch, expected 0"); + printf("OK\n"); + + printf("testing Picture::set_depth()... +\n"); + printf(" Picture::get_depth()... "); + block.set_depth(16); + if(block.get_depth() != 16) + return die_("value mismatch, expected 16"); + printf("OK\n"); + + printf("testing Picture::get_colors()... "); + if(block.get_colors() != 0) + return die_("value mismatch, expected 0"); + printf("OK\n"); + + printf("testing Picture::set_colors()... +\n"); + printf(" Picture::get_colors()... "); + block.set_colors(1u>16); + if(block.get_colors() != (1u>16)) + return die_("value mismatch, expected 2^16"); + printf("OK\n"); + + printf("testing Picture::get_data_length()... "); + if(block.get_data_length() != 0) + return die_("value mismatch, expected 0"); + printf("OK\n"); + + printf("testing Picture::set_data()... "); + if(!block.set_data((const FLAC__byte*)"qOMEJPEGDATA", strlen("qOMEJPEGDATA"))) + return die_("returned false"); + printf("OK\n"); + picture_.data.picture.data[0] = 'q'; + + printf("testing Picture::get_data()... "); + if(block.get_data_length() != picture_.data.picture.data_length) + return die_("length mismatch"); + if(0 != memcmp(block.get_data(), picture_.data.picture.data, picture_.data.picture.data_length)) + return die_("value mismatch"); + printf("OK\n"); + + printf("testing FLAC::Metadata::clone(const FLAC::Metadata::Prototype *)... "); + FLAC::Metadata::Prototype *clone_ = FLAC::Metadata::clone(&block); + if(0 == clone_) + return die_("returned NULL"); + if(0 == dynamic_cast<FLAC::Metadata::Picture *>(clone_)) + return die_("downcast is NULL"); + if(*dynamic_cast<FLAC::Metadata::Picture *>(clone_) != block) + return die_("clone is not identical"); + printf("OK\n"); + printf("testing Picture::~Picture()... "); + delete clone_; + printf("OK\n"); + + + printf("PASSED\n\n"); + return true; +} + +bool test_metadata_object() +{ + printf("\n+++ libFLAC++ unit test: metadata objects\n\n"); + + init_metadata_blocks_(); + + if(!test_metadata_object_streaminfo()) + return false; + + if(!test_metadata_object_padding()) + return false; + + if(!test_metadata_object_application()) + return false; + + if(!test_metadata_object_seektable()) + return false; + + if(!test_metadata_object_vorbiscomment()) + return false; + + if(!test_metadata_object_cuesheet()) + return false; + + if(!test_metadata_object_picture()) + return false; + + free_metadata_blocks_(); + + return true; +} diff --git a/src/test_libFLAC/CMakeLists.txt b/src/test_libFLAC/CMakeLists.txt new file mode 100644 index 0000000..36a5820 --- /dev/null +++ b/src/test_libFLAC/CMakeLists.txt @@ -0,0 +1,25 @@ +add_executable(test_libFLAC + bitreader.c + bitwriter.c + crc.c + decoders.c + encoders.c + endswap.c + format.c + main.c + metadata.c + metadata_manip.c + metadata_object.c + md5.c + "$<TARGET_PROPERTY:FLAC,SOURCE_DIR>/bitreader.c" + "$<TARGET_PROPERTY:FLAC,SOURCE_DIR>/bitwriter.c" + "$<TARGET_PROPERTY:FLAC,SOURCE_DIR>/crc.c" + "$<TARGET_PROPERTY:FLAC,SOURCE_DIR>/md5.c" + $<$<BOOL:${WIN32}>:../../include/share/win_utf8_io.h> + $<$<BOOL:${WIN32}>:../share/win_utf8_io/win_utf8_io.c>) + +target_compile_definitions(test_libFLAC PRIVATE + $<$<BOOL:${ENABLE_64_BIT_WORDS}>:ENABLE_64_BIT_WORDS>) +target_include_directories(test_libFLAC PRIVATE + "$<TARGET_PROPERTY:FLAC,SOURCE_DIR>/include") +target_link_libraries(test_libFLAC FLAC grabbag test_libs_common) diff --git a/src/test_libFLAC/Makefile.am b/src/test_libFLAC/Makefile.am new file mode 100644 index 0000000..c77f87e --- /dev/null +++ b/src/test_libFLAC/Makefile.am @@ -0,0 +1,63 @@ +# test_libFLAC - Unit tester for libFLAC +# Copyright (C) 2000-2009 Josh Coalson +# Copyright (C) 2011-2023 Xiph.Org Foundation +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License +# as published by the Free Software Foundation; either version 2 +# of the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License along +# with this program; if not, write to the Free Software Foundation, Inc., +# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + +EXTRA_DIST = \ + CMakeLists.txt + +check_PROGRAMS = test_libFLAC + +if OS_IS_WINDOWS +win_utf8_lib = $(top_builddir)/src/share/win_utf8_io/libwin_utf8_io.la +flac__no_dll = -DFLAC__NO_DLL +endif + +AM_CPPFLAGS = -I$(top_builddir) -I$(srcdir)/include -I$(top_srcdir)/include -I$(top_srcdir)/src/libFLAC/include $(flac__no_dll) + +test_libFLAC_LDADD = \ + $(top_builddir)/src/share/grabbag/libgrabbag.la \ + $(top_builddir)/src/share/replaygain_analysis/libreplaygain_analysis.la \ + $(top_builddir)/src/test_libs_common/libtest_libs_common.la \ + $(top_builddir)/src/libFLAC/libFLAC-static.la \ + $(win_utf8_lib) \ + @OGG_LIBS@ \ + -lm + +test_libFLAC_SOURCES = \ + bitreader.c \ + bitwriter.c \ + crc.c \ + decoders.c \ + encoders.c \ + endswap.c \ + format.c \ + main.c \ + metadata.c \ + metadata_manip.c \ + metadata_object.c \ + md5.c \ + bitreader.h \ + bitwriter.h \ + crc.h \ + decoders.h \ + encoders.h \ + endswap.h \ + format.h \ + metadata.h \ + md5.h + +CLEANFILES = test_libFLAC.exe diff --git a/src/test_libFLAC/Makefile.in b/src/test_libFLAC/Makefile.in new file mode 100644 index 0000000..ee0dcf8 --- /dev/null +++ b/src/test_libFLAC/Makefile.in @@ -0,0 +1,736 @@ +# Makefile.in generated by automake 1.16.5 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2021 Free Software Foundation, Inc. + +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. + +@SET_MAKE@ + +# test_libFLAC - Unit tester for libFLAC +# Copyright (C) 2000-2009 Josh Coalson +# Copyright (C) 2011-2023 Xiph.Org Foundation +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License +# as published by the Free Software Foundation; either version 2 +# of the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License along +# with this program; if not, write to the Free Software Foundation, Inc., +# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +VPATH = @srcdir@ +am__is_gnu_make = { \ + if test -z '$(MAKELEVEL)'; then \ + false; \ + elif test -n '$(MAKE_HOST)'; then \ + true; \ + elif test -n '$(MAKE_VERSION)' && test -n '$(CURDIR)'; then \ + true; \ + else \ + false; \ + fi; \ +} +am__make_running_with_option = \ + case $${target_option-} in \ + ?) ;; \ + *) echo "am__make_running_with_option: internal error: invalid" \ + "target option '$${target_option-}' specified" >&2; \ + exit 1;; \ + esac; \ + has_opt=no; \ + sane_makeflags=$$MAKEFLAGS; \ + if $(am__is_gnu_make); then \ + sane_makeflags=$$MFLAGS; \ + else \ + case $$MAKEFLAGS in \ + *\\[\ \ ]*) \ + bs=\\; \ + sane_makeflags=`printf '%s\n' "$$MAKEFLAGS" \ + | sed "s/$$bs$$bs[$$bs $$bs ]*//g"`;; \ + esac; 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install-strip installcheck \ + installcheck-am installdirs maintainer-clean \ + maintainer-clean-generic mostlyclean mostlyclean-compile \ + mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \ + tags tags-am uninstall uninstall-am + +.PRECIOUS: Makefile + + +# Tell versions [3.59,3.63) of GNU make to not export all variables. +# Otherwise a system limit (for SysV at least) may be exceeded. +.NOEXPORT: diff --git a/src/test_libFLAC/bitreader.c b/src/test_libFLAC/bitreader.c new file mode 100644 index 0000000..d40bd1f --- /dev/null +++ b/src/test_libFLAC/bitreader.c @@ -0,0 +1,355 @@ +/* test_libFLAC - Unit tester for libFLAC + * Copyright (C) 2000-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include "FLAC/assert.h" +#include "share/compat.h" +#include "private/bitreader.h" /* from the libFLAC private include area */ +#include "bitreader.h" +#include <stdio.h> +#include <string.h> /* for memcpy() */ + +/* + * WATCHOUT! Since FLAC__BitReader is a private structure, we use a copy of + * the definition here to get at the internals. Make sure this is kept up + * to date with what is in ../libFLAC/bitreader.c + */ +#if (ENABLE_64_BIT_WORDS == 0) + +typedef FLAC__uint32 brword; +#define FLAC__BYTES_PER_WORD 4 +#define FLAC__BITS_PER_WORD 32 + +#else + +typedef FLAC__uint64 brword; +#define FLAC__BYTES_PER_WORD 8 +#define FLAC__BITS_PER_WORD 64 + +#endif + +struct FLAC__BitReader { + /* any partially-consumed word at the head will stay right-justified as bits are consumed from the left */ + /* any incomplete word at the tail will be left-justified, and bytes from the read callback are added on the right */ + brword *buffer; + uint32_t capacity; /* in words */ + uint32_t words; /* # of completed words in buffer */ + uint32_t bytes; /* # of bytes in incomplete word at buffer[words] */ + uint32_t consumed_words; /* #words ... */ + uint32_t consumed_bits; /* ... + (#bits of head word) already consumed from the front of buffer */ + uint32_t read_crc16; /* the running frame CRC */ + uint32_t crc16_offset; /* the number of words in the current buffer that should not be CRC'd */ + uint32_t crc16_align; /* the number of bits in the current consumed word that should not be CRC'd */ + FLAC__bool read_limit_set; /* whether reads are limited */ + uint32_t read_limit; /* the remaining size of what can be read */ + uint32_t last_seen_framesync; /* the location of the last seen framesync, if it is in the buffer, in bits from front of buffer */ + FLAC__BitReaderReadCallback read_callback; + void *client_data; +}; + +static FLAC__bool read_callback(FLAC__byte buffer[], size_t *bytes, void *data); + +static void FLAC__bitreader_dump(const FLAC__BitReader *br, FILE *out) +{ + uint32_t i, j; + if(br == 0) { + fprintf(out, "bitreader is NULL\n"); + } + else { + fprintf(out, "bitreader: capacity=%u words=%u bytes=%u consumed: words=%u, bits=%u\n", br->capacity, br->words, br->bytes, br->consumed_words, br->consumed_bits); + + for(i = 0; i < br->words; i++) { + fprintf(out, "%08X: ", i); + for(j = 0; j < FLAC__BITS_PER_WORD; j++) + if(i < br->consumed_words || (i == br->consumed_words && j < br->consumed_bits)) + fprintf(out, "."); + else + fprintf(out, "%01d", br->buffer[i] & ((brword)1 << (FLAC__BITS_PER_WORD-j-1)) ? 1:0); + fprintf(out, "\n"); + } + if(br->bytes > 0) { + fprintf(out, "%08X: ", i); + for(j = 0; j < br->bytes*8; j++) + if(i < br->consumed_words || (i == br->consumed_words && j < br->consumed_bits)) + fprintf(out, "."); + else + fprintf(out, "%01d", br->buffer[i] & ((brword)1 << (br->bytes*8-j-1)) ? 1:0); + fprintf(out, "\n"); + } + } +} + +FLAC__bool test_bitreader(void) +{ + FLAC__BitReader *br; + FLAC__bool ok; + uint32_t i; + uint32_t words, bits; /* what we think br->consumed_words and br->consumed_bits should be */ + + FLAC__uint16 crc,expected_crcs[4] = { 0x5e4c, 0x7f6b, 0x2272, 0x42bf }; + FLAC__byte data[32]; + + FLAC__uint32 val_uint32; + FLAC__uint64 val_uint64; + + for (i = 0; i < 32; i++) + data[i] = i * 8 + 7; + + printf("\n+++ libFLAC unit test: bitreader\n\n"); + + /* + * test new -> delete + */ + printf("testing new... "); + br = FLAC__bitreader_new(); + if(0 == br) { + printf("FAILED, returned NULL\n"); + return false; + } + printf("OK\n"); + + printf("testing delete... "); + FLAC__bitreader_delete(br); + printf("OK\n"); + + /* + * test new -> init -> delete + */ + printf("testing new... "); + br = FLAC__bitreader_new(); + if(0 == br) { + printf("FAILED, returned NULL\n"); + return false; + } + printf("OK\n"); + + printf("testing init... "); + if(!FLAC__bitreader_init(br, read_callback, data)) { + printf("FAILED, returned false\n"); + return false; + } + printf("OK\n"); + + printf("testing delete... "); + FLAC__bitreader_delete(br); + printf("OK\n"); + + /* + * test new -> init -> clear -> delete + */ + printf("testing new... "); + br = FLAC__bitreader_new(); + if(0 == br) { + printf("FAILED, returned NULL\n"); + return false; + } + printf("OK\n"); + + printf("testing init... "); + if(!FLAC__bitreader_init(br, read_callback, data)) { + printf("FAILED, returned false\n"); + return false; + } + printf("OK\n"); + + printf("testing clear... "); + if(!FLAC__bitreader_clear(br)) { + printf("FAILED, returned false\n"); + return false; + } + printf("OK\n"); + + printf("testing delete... "); + FLAC__bitreader_delete(br); + printf("OK\n"); + + /* + * test normal usage + */ + printf("testing new... "); + br = FLAC__bitreader_new(); + if(0 == br) { + printf("FAILED, returned NULL\n"); + return false; + } + printf("OK\n"); + + printf("testing init... "); + if(!FLAC__bitreader_init(br, read_callback, data)) { + printf("FAILED, returned false\n"); + return false; + } + printf("OK\n"); + + printf("testing clear... "); + if(!FLAC__bitreader_clear(br)) { + printf("FAILED, returned false\n"); + return false; + } + printf("OK\n"); + + words = bits = 0; + + printf("capacity = %u\n", br->capacity); + + printf("testing raw reads... "); + ok = + FLAC__bitreader_read_raw_uint32(br, &val_uint32, 1) && + FLAC__bitreader_read_raw_uint32(br, &val_uint32, 2) && + FLAC__bitreader_read_raw_uint32(br, &val_uint32, 5) && + FLAC__bitreader_read_raw_uint32(br, &val_uint32, 8) && + FLAC__bitreader_read_raw_uint32(br, &val_uint32, 10) && + FLAC__bitreader_read_raw_uint32(br, &val_uint32, 4) && + FLAC__bitreader_read_raw_uint32(br, &val_uint32, 32) && + FLAC__bitreader_read_raw_uint32(br, &val_uint32, 4) && + FLAC__bitreader_read_raw_uint32(br, &val_uint32, 2) && + FLAC__bitreader_read_raw_uint32(br, &val_uint32, 8) && + FLAC__bitreader_read_raw_uint64(br, &val_uint64, 64) && + FLAC__bitreader_read_raw_uint32(br, &val_uint32, 12) + ; + if(!ok) { + printf("FAILED\n"); + FLAC__bitreader_dump(br, stdout); + return false; + } + /* we read 152 bits (=19 bytes) from the bitreader */ + words = 152 / FLAC__BITS_PER_WORD; + bits = 152 - words*FLAC__BITS_PER_WORD; + + if(br->consumed_words != words) { + printf("FAILED word count %u != %u\n", br->consumed_words, words); + FLAC__bitreader_dump(br, stdout); + return false; + } + if(br->consumed_bits != bits) { + printf("FAILED bit count %u != %u\n", br->consumed_bits, bits); + FLAC__bitreader_dump(br, stdout); + return false; + } + crc = FLAC__bitreader_get_read_crc16(br); + if(crc != expected_crcs[0]) { + printf("FAILED reported CRC 0x%04x does not match expected 0x%04x\n", crc, expected_crcs[0]); + FLAC__bitreader_dump(br, stdout); + return false; + } + printf("OK\n"); + FLAC__bitreader_dump(br, stdout); + + printf("testing CRC reset... "); + FLAC__bitreader_clear(br); + FLAC__bitreader_reset_read_crc16(br, 0xFFFF); + crc = FLAC__bitreader_get_read_crc16(br); + if(crc != 0xFFFF) { + printf("FAILED reported CRC 0x%04x does not match expected 0xFFFF\n", crc); + FLAC__bitreader_dump(br, stdout); + return false; + } + FLAC__bitreader_reset_read_crc16(br, 0); + crc = FLAC__bitreader_get_read_crc16(br); + if(crc != 0) { + printf("FAILED reported CRC 0x%04x does not match expected 0x0000\n", crc); + FLAC__bitreader_dump(br, stdout); + return false; + } + FLAC__bitreader_read_raw_uint32(br, &val_uint32, 16); + FLAC__bitreader_reset_read_crc16(br, 0); + FLAC__bitreader_read_raw_uint32(br, &val_uint32, 32); + crc = FLAC__bitreader_get_read_crc16(br); + if(crc != expected_crcs[1]) { + printf("FAILED reported CRC 0x%04x does not match expected 0x%04x\n", crc, expected_crcs[1]); + FLAC__bitreader_dump(br, stdout); + return false; + } + printf("OK\n"); + + printf("testing unaligned < 32 bit reads... "); + FLAC__bitreader_clear(br); + FLAC__bitreader_skip_bits_no_crc(br, 8); + FLAC__bitreader_reset_read_crc16(br, 0); + ok = + FLAC__bitreader_read_raw_uint32(br, &val_uint32, 1) && + FLAC__bitreader_read_raw_uint32(br, &val_uint32, 2) && + FLAC__bitreader_read_raw_uint32(br, &val_uint32, 5) && + FLAC__bitreader_read_raw_uint32(br, &val_uint32, 8) + ; + if(!ok) { + printf("FAILED\n"); + FLAC__bitreader_dump(br, stdout); + return false; + } + crc = FLAC__bitreader_get_read_crc16(br); + if(crc != expected_crcs[2]) { + printf("FAILED reported CRC 0x%04x does not match expected 0x%04x\n", crc, expected_crcs[2]); + FLAC__bitreader_dump(br, stdout); + return false; + } + printf("OK\n"); + FLAC__bitreader_dump(br, stdout); + + printf("testing unaligned < 64 bit reads... "); + FLAC__bitreader_clear(br); + FLAC__bitreader_skip_bits_no_crc(br, 8); + FLAC__bitreader_reset_read_crc16(br, 0); + ok = + FLAC__bitreader_read_raw_uint32(br, &val_uint32, 1) && + FLAC__bitreader_read_raw_uint32(br, &val_uint32, 2) && + FLAC__bitreader_read_raw_uint32(br, &val_uint32, 5) && + FLAC__bitreader_read_raw_uint32(br, &val_uint32, 8) && + FLAC__bitreader_read_raw_uint32(br, &val_uint32, 32) + ; + if(!ok) { + printf("FAILED\n"); + FLAC__bitreader_dump(br, stdout); + return false; + } + crc = FLAC__bitreader_get_read_crc16(br); + if(crc != expected_crcs[3]) { + printf("FAILED reported CRC 0x%04x does not match expected 0x%04x\n", crc, expected_crcs[3]); + FLAC__bitreader_dump(br, stdout); + return false; + } + printf("OK\n"); + FLAC__bitreader_dump(br, stdout); + + printf("testing free... "); + FLAC__bitreader_free(br); + printf("OK\n"); + + printf("testing delete... "); + FLAC__bitreader_delete(br); + printf("OK\n"); + + printf("\nPASSED!\n"); + return true; +} + +/*----------------------------------------------------------------------------*/ + +static FLAC__bool read_callback(FLAC__byte buffer[], size_t *bytes, void *data) +{ + if (*bytes > 32) + *bytes = 32; + + memcpy(buffer, data, *bytes); + + return true; +} diff --git a/src/test_libFLAC/bitreader.h b/src/test_libFLAC/bitreader.h new file mode 100644 index 0000000..f497acf --- /dev/null +++ b/src/test_libFLAC/bitreader.h @@ -0,0 +1,27 @@ +/* test_libFLAC - Unit tester for libFLAC + * Copyright (C) 2000-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifndef FLAC__TEST_LIBFLAC_BITREADER_H +#define FLAC__TEST_LIBFLAC_BITREADER_H + +#include "FLAC/ordinals.h" + +FLAC__bool test_bitreader(void); + +#endif diff --git a/src/test_libFLAC/bitwriter.c b/src/test_libFLAC/bitwriter.c new file mode 100644 index 0000000..0aafff2 --- /dev/null +++ b/src/test_libFLAC/bitwriter.c @@ -0,0 +1,688 @@ +/* test_libFLAC - Unit tester for libFLAC + * Copyright (C) 2000-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include "FLAC/assert.h" +#include "share/compat.h" +#include "private/bitwriter.h" /* from the libFLAC private include area */ +#include "bitwriter.h" +#include <stdio.h> +#include <string.h> /* for memcmp() */ + +/* + * WATCHOUT! Since FLAC__BitWriter is a private structure, we use a copy of + * the definition here to get at the internals. Make sure this is kept up + * to date with what is in ../libFLAC/bitwriter.c + */ +#if (ENABLE_64_BIT_WORDS == 0) + +typedef FLAC__uint32 bwword; +#define FLAC__BYTES_PER_WORD 4 +#define FLAC__BITS_PER_WORD 32 +#define PRI_BWWORD "08x" + +#else + +typedef FLAC__uint64 bwword; +#define FLAC__BYTES_PER_WORD 8 +#define FLAC__BITS_PER_WORD 64 +#define PRI_BWWORD "016" PRIx64 + +#endif + +struct FLAC__BitWriter { + bwword *buffer; + bwword accum; /* accumulator; bits are right-justified; when full, accum is appended to buffer */ + uint32_t capacity; /* capacity of buffer in words */ + uint32_t words; /* # of complete words in buffer */ + uint32_t bits; /* # of used bits in accum */ +}; + +#define WORDS_TO_BITS(words) ((words) * FLAC__BITS_PER_WORD) +#define TOTAL_BITS(bw) (WORDS_TO_BITS((bw)->words) + (bw)->bits) + +static void FLAC__bitwriter_dump(const FLAC__BitWriter *bw, FILE *out) +{ + uint32_t i, j; + if(bw == 0) { + fprintf(out, "bitwriter is NULL\n"); + } + else { + fprintf(out, "bitwriter: capacity=%u words=%u bits=%u total_bits=%u\n", bw->capacity, bw->words, bw->bits, TOTAL_BITS(bw)); + + for(i = 0; i < bw->words; i++) { + fprintf(out, "%08X: ", i); + for(j = 0; j < FLAC__BITS_PER_WORD; j++) + fprintf(out, "%01d", bw->buffer[i] & ((bwword)1 << (FLAC__BITS_PER_WORD-j-1)) ? 1:0); + fprintf(out, "\n"); + } + if(bw->bits > 0) { + fprintf(out, "%08X: ", i); + for(j = 0; j < bw->bits; j++) + fprintf(out, "%01d", bw->accum & ((bwword)1 << (bw->bits-j-1)) ? 1:0); + fprintf(out, "\n"); + } + } +} + +FLAC__bool test_bitwriter(void) +{ + FLAC__BitWriter *bw; + FLAC__bool ok; + uint32_t i, j; +#if FLAC__BYTES_PER_WORD == 4 +#if WORDS_BIGENDIAN + static bwword test_pattern1[5] = { 0xaaf0aabe, 0xaaaaaaa8, 0x300aaaaa, 0xaaadeadb, 0x00eeface }; +#else + static bwword test_pattern1[5] = { 0xbeaaf0aa, 0xa8aaaaaa, 0xaaaa0a30, 0xdbeaadaa, 0x00eeface }; +#endif +#elif FLAC__BYTES_PER_WORD == 8 +#if WORDS_BIGENDIAN + static bwword test_pattern1[3] = { FLAC__U64L(0xaaf0aabeaaaaaaa8), FLAC__U64L(0x300aaaaaaaadeadb), FLAC__U64L(0x0000000000eeface) }; +#else + static bwword test_pattern1[3] = { FLAC__U64L(0xa8aaaaaabeaaf0aa), FLAC__U64L(0xdbeaadaaaaaa0a30), FLAC__U64L(0x0000000000eeface) }; +#endif +#else +#error FLAC__BYTES_PER_WORD is neither 4 nor 8 -- not implemented +#endif + uint32_t words, bits; /* what we think bw->words and bw->bits should be */ + + printf("\n+++ libFLAC unit test: bitwriter\n\n"); + + /* + * test new -> delete + */ + printf("testing new... "); + bw = FLAC__bitwriter_new(); + if(0 == bw) { + printf("FAILED, returned NULL\n"); + return false; + } + printf("OK\n"); + + printf("testing delete... "); + FLAC__bitwriter_delete(bw); + printf("OK\n"); + + /* + * test new -> init -> delete + */ + printf("testing new... "); + bw = FLAC__bitwriter_new(); + if(0 == bw) { + printf("FAILED, returned NULL\n"); + return false; + } + printf("OK\n"); + + printf("testing init... "); + if(!FLAC__bitwriter_init(bw)) { + printf("FAILED, returned false\n"); + return false; + } + printf("OK\n"); + + printf("testing delete... "); + FLAC__bitwriter_delete(bw); + printf("OK\n"); + + /* + * test new -> init -> clear -> delete + */ + printf("testing new... "); + bw = FLAC__bitwriter_new(); + if(0 == bw) { + printf("FAILED, returned NULL\n"); + return false; + } + printf("OK\n"); + + printf("testing init... "); + if(!FLAC__bitwriter_init(bw)) { + printf("FAILED, returned false\n"); + return false; + } + printf("OK\n"); + + printf("testing clear... "); + FLAC__bitwriter_clear(bw); + printf("OK\n"); + + printf("testing delete... "); + FLAC__bitwriter_delete(bw); + printf("OK\n"); + + /* + * test normal usage + */ + printf("testing new... "); + bw = FLAC__bitwriter_new(); + if(0 == bw) { + printf("FAILED, returned NULL\n"); + return false; + } + printf("OK\n"); + + printf("testing init... "); + if(!FLAC__bitwriter_init(bw)) { + printf("FAILED, returned false\n"); + return false; + } + printf("OK\n"); + + printf("testing clear... "); + FLAC__bitwriter_clear(bw); + printf("OK\n"); + + words = bits = 0; + + printf("capacity = %u\n", bw->capacity); + + printf("testing zeroes, raw_uint32*... "); + ok = + FLAC__bitwriter_write_raw_uint32(bw, 0x1, 1) && + FLAC__bitwriter_write_raw_uint32(bw, 0x1, 2) && + FLAC__bitwriter_write_raw_uint32(bw, 0xa, 5) && + FLAC__bitwriter_write_raw_uint32(bw, 0xf0, 8) && + FLAC__bitwriter_write_raw_uint32(bw, 0x2aa, 10) && + FLAC__bitwriter_write_raw_uint32(bw, 0xf, 4) && + FLAC__bitwriter_write_raw_uint32(bw, 0xaaaaaaaa, 32) && + FLAC__bitwriter_write_zeroes(bw, 4) && + FLAC__bitwriter_write_raw_uint32(bw, 0x3, 2) && + FLAC__bitwriter_write_zeroes(bw, 8) && + FLAC__bitwriter_write_raw_uint64(bw, FLAC__U64L(0xaaaaaaaadeadbeef), 64) && + FLAC__bitwriter_write_raw_uint32(bw, 0xace, 12) + ; + if(!ok) { + printf("FAILED\n"); + FLAC__bitwriter_dump(bw, stdout); + return false; + } + /* we wrote 152 bits (=19 bytes) to the bitwriter */ + words = 152 / FLAC__BITS_PER_WORD; + bits = 152 - words*FLAC__BITS_PER_WORD; + + if(bw->words != words) { + printf("FAILED word count %u != %u\n", bw->words, words); + FLAC__bitwriter_dump(bw, stdout); + return false; + } + if(bw->bits != bits) { + printf("FAILED bit count %u != %u\n", bw->bits, bits); + FLAC__bitwriter_dump(bw, stdout); + return false; + } + if(memcmp(bw->buffer, test_pattern1, sizeof(bwword)*words) != 0) { + printf("FAILED pattern match (buffer)\n"); + FLAC__bitwriter_dump(bw, stdout); + return false; + } + if((bw->accum & 0x00ffffff) != test_pattern1[words]) { + printf("FAILED pattern match (bw->accum=%" PRI_BWWORD " != %" PRI_BWWORD ")\n", bw->accum&0x00ffffff, test_pattern1[words]); + FLAC__bitwriter_dump(bw, stdout); + return false; + } + printf("OK\n"); + FLAC__bitwriter_dump(bw, stdout); + + printf("testing raw_uint32 some more... "); + ok = FLAC__bitwriter_write_raw_uint32(bw, 0x3d, 6); + if(!ok) { + printf("FAILED\n"); + FLAC__bitwriter_dump(bw, stdout); + return false; + } + bits += 6; + test_pattern1[words] <<= 6; + test_pattern1[words] |= 0x3d; + if(bw->words != words) { + printf("FAILED word count %u != %u\n", bw->words, words); + FLAC__bitwriter_dump(bw, stdout); + return false; + } + if(bw->bits != bits) { + printf("FAILED bit count %u != %u\n", bw->bits, bits); + FLAC__bitwriter_dump(bw, stdout); + return false; + } + if(memcmp(bw->buffer, test_pattern1, sizeof(bwword)*words) != 0) { + printf("FAILED pattern match (buffer)\n"); + FLAC__bitwriter_dump(bw, stdout); + return false; + } + if((bw->accum & 0x3fffffff) != test_pattern1[words]) { + printf("FAILED pattern match (bw->accum=%" PRI_BWWORD " != %" PRI_BWWORD ")\n", bw->accum&0x3fffffff, test_pattern1[words]); + FLAC__bitwriter_dump(bw, stdout); + return false; + } + printf("OK\n"); + FLAC__bitwriter_dump(bw, stdout); + + printf("testing utf8_uint32(0x00000000)... "); + FLAC__bitwriter_clear(bw); + FLAC__bitwriter_write_utf8_uint32(bw, 0x00000000); + ok = TOTAL_BITS(bw) == 8 && (bw->accum & 0xff) == 0; + printf("%s\n", ok?"OK":"FAILED"); + if(!ok) { + FLAC__bitwriter_dump(bw, stdout); + return false; + } + + printf("testing utf8_uint32(0x0000007F)... "); + FLAC__bitwriter_clear(bw); + FLAC__bitwriter_write_utf8_uint32(bw, 0x0000007F); + ok = TOTAL_BITS(bw) == 8 && (bw->accum & 0xff) == 0x7F; + printf("%s\n", ok?"OK":"FAILED"); + if(!ok) { + FLAC__bitwriter_dump(bw, stdout); + return false; + } + + printf("testing utf8_uint32(0x00000080)... "); + FLAC__bitwriter_clear(bw); + FLAC__bitwriter_write_utf8_uint32(bw, 0x00000080); + ok = TOTAL_BITS(bw) == 16 && (bw->accum & 0xffff) == 0xC280; + printf("%s\n", ok?"OK":"FAILED"); + if(!ok) { + FLAC__bitwriter_dump(bw, stdout); + return false; + } + + printf("testing utf8_uint32(0x000007FF)... "); + FLAC__bitwriter_clear(bw); + FLAC__bitwriter_write_utf8_uint32(bw, 0x000007FF); + ok = TOTAL_BITS(bw) == 16 && (bw->accum & 0xffff) == 0xDFBF; + printf("%s\n", ok?"OK":"FAILED"); + if(!ok) { + FLAC__bitwriter_dump(bw, stdout); + return false; + } + + printf("testing utf8_uint32(0x00000800)... "); + FLAC__bitwriter_clear(bw); + FLAC__bitwriter_write_utf8_uint32(bw, 0x00000800); + ok = TOTAL_BITS(bw) == 24 && (bw->accum & 0xffffff) == 0xE0A080; + printf("%s\n", ok?"OK":"FAILED"); + if(!ok) { + FLAC__bitwriter_dump(bw, stdout); + return false; + } + + printf("testing utf8_uint32(0x0000FFFF)... "); + FLAC__bitwriter_clear(bw); + FLAC__bitwriter_write_utf8_uint32(bw, 0x0000FFFF); + ok = TOTAL_BITS(bw) == 24 && (bw->accum & 0xffffff) == 0xEFBFBF; + printf("%s\n", ok?"OK":"FAILED"); + if(!ok) { + FLAC__bitwriter_dump(bw, stdout); + return false; + } + + printf("testing utf8_uint32(0x00010000)... "); + FLAC__bitwriter_clear(bw); + FLAC__bitwriter_write_utf8_uint32(bw, 0x00010000); +#if FLAC__BYTES_PER_WORD == 4 +#if WORDS_BIGENDIAN + ok = TOTAL_BITS(bw) == 32 && bw->buffer[0] == 0xF0908080; +#else + ok = TOTAL_BITS(bw) == 32 && bw->buffer[0] == 0x808090F0; +#endif +#elif FLAC__BYTES_PER_WORD == 8 + ok = TOTAL_BITS(bw) == 32 && (bw->accum & 0xffffffff) == 0xF0908080; +#endif + printf("%s\n", ok?"OK":"FAILED"); + if(!ok) { + FLAC__bitwriter_dump(bw, stdout); + return false; + } + + printf("testing utf8_uint32(0x001FFFFF)... "); + FLAC__bitwriter_clear(bw); + FLAC__bitwriter_write_utf8_uint32(bw, 0x001FFFFF); +#if FLAC__BYTES_PER_WORD == 4 +#if WORDS_BIGENDIAN + ok = TOTAL_BITS(bw) == 32 && bw->buffer[0] == 0xF7BFBFBF; +#else + ok = TOTAL_BITS(bw) == 32 && bw->buffer[0] == 0xBFBFBFF7; +#endif +#elif FLAC__BYTES_PER_WORD == 8 + ok = TOTAL_BITS(bw) == 32 && (bw->accum & 0xffffffff) == 0xF7BFBFBF; +#endif + printf("%s\n", ok?"OK":"FAILED"); + if(!ok) { + FLAC__bitwriter_dump(bw, stdout); + return false; + } + + printf("testing utf8_uint32(0x00200000)... "); + FLAC__bitwriter_clear(bw); + FLAC__bitwriter_write_utf8_uint32(bw, 0x00200000); +#if FLAC__BYTES_PER_WORD == 4 +#if WORDS_BIGENDIAN + ok = TOTAL_BITS(bw) == 40 && bw->buffer[0] == 0xF8888080 && (bw->accum & 0xff) == 0x80; +#else + ok = TOTAL_BITS(bw) == 40 && bw->buffer[0] == 0x808088F8 && (bw->accum & 0xff) == 0x80; +#endif +#elif FLAC__BYTES_PER_WORD == 8 + ok = TOTAL_BITS(bw) == 40 && (bw->accum & FLAC__U64L(0xffffffffff)) == FLAC__U64L(0xF888808080); +#endif + printf("%s\n", ok?"OK":"FAILED"); + if(!ok) { + FLAC__bitwriter_dump(bw, stdout); + return false; + } + + printf("testing utf8_uint32(0x03FFFFFF)... "); + FLAC__bitwriter_clear(bw); + FLAC__bitwriter_write_utf8_uint32(bw, 0x03FFFFFF); +#if FLAC__BYTES_PER_WORD == 4 +#if WORDS_BIGENDIAN + ok = TOTAL_BITS(bw) == 40 && bw->buffer[0] == 0xFBBFBFBF && (bw->accum & 0xff) == 0xBF; +#else + ok = TOTAL_BITS(bw) == 40 && bw->buffer[0] == 0xBFBFBFFB && (bw->accum & 0xff) == 0xBF; +#endif +#elif FLAC__BYTES_PER_WORD == 8 + ok = TOTAL_BITS(bw) == 40 && (bw->accum & FLAC__U64L(0xffffffffff)) == FLAC__U64L(0xFBBFBFBFBF); +#endif + printf("%s\n", ok?"OK":"FAILED"); + if(!ok) { + FLAC__bitwriter_dump(bw, stdout); + return false; + } + + printf("testing utf8_uint32(0x04000000)... "); + FLAC__bitwriter_clear(bw); + FLAC__bitwriter_write_utf8_uint32(bw, 0x04000000); +#if FLAC__BYTES_PER_WORD == 4 +#if WORDS_BIGENDIAN + ok = TOTAL_BITS(bw) == 48 && bw->buffer[0] == 0xFC848080 && (bw->accum & 0xffff) == 0x8080; +#else + ok = TOTAL_BITS(bw) == 48 && bw->buffer[0] == 0x808084FC && (bw->accum & 0xffff) == 0x8080; +#endif +#elif FLAC__BYTES_PER_WORD == 8 + ok = TOTAL_BITS(bw) == 48 && (bw->accum & FLAC__U64L(0xffffffffffff)) == FLAC__U64L(0xFC8480808080); +#endif + printf("%s\n", ok?"OK":"FAILED"); + if(!ok) { + FLAC__bitwriter_dump(bw, stdout); + return false; + } + + printf("testing utf8_uint32(0x7FFFFFFF)... "); + FLAC__bitwriter_clear(bw); + FLAC__bitwriter_write_utf8_uint32(bw, 0x7FFFFFFF); +#if FLAC__BYTES_PER_WORD == 4 +#if WORDS_BIGENDIAN + ok = TOTAL_BITS(bw) == 48 && bw->buffer[0] == 0xFDBFBFBF && (bw->accum & 0xffff) == 0xBFBF; +#else + ok = TOTAL_BITS(bw) == 48 && bw->buffer[0] == 0xBFBFBFFD && (bw->accum & 0xffff) == 0xBFBF; +#endif +#elif FLAC__BYTES_PER_WORD == 8 + ok = TOTAL_BITS(bw) == 48 && (bw->accum & FLAC__U64L(0xffffffffffff)) == FLAC__U64L(0xFDBFBFBFBFBF); +#endif + printf("%s\n", ok?"OK":"FAILED"); + if(!ok) { + FLAC__bitwriter_dump(bw, stdout); + return false; + } + + printf("testing utf8_uint64(0x0000000000000000)... "); + FLAC__bitwriter_clear(bw); + FLAC__bitwriter_write_utf8_uint64(bw, FLAC__U64L(0x0000000000000000)); + ok = TOTAL_BITS(bw) == 8 && (bw->accum & 0xff) == 0; + printf("%s\n", ok?"OK":"FAILED"); + if(!ok) { + FLAC__bitwriter_dump(bw, stdout); + return false; + } + + printf("testing utf8_uint64(0x000000000000007F)... "); + FLAC__bitwriter_clear(bw); + FLAC__bitwriter_write_utf8_uint64(bw, FLAC__U64L(0x000000000000007F)); + ok = TOTAL_BITS(bw) == 8 && (bw->accum & 0xff) == 0x7F; + printf("%s\n", ok?"OK":"FAILED"); + if(!ok) { + FLAC__bitwriter_dump(bw, stdout); + return false; + } + + printf("testing utf8_uint64(0x0000000000000080)... "); + FLAC__bitwriter_clear(bw); + FLAC__bitwriter_write_utf8_uint64(bw, FLAC__U64L(0x0000000000000080)); + ok = TOTAL_BITS(bw) == 16 && (bw->accum & 0xffff) == 0xC280; + printf("%s\n", ok?"OK":"FAILED"); + if(!ok) { + FLAC__bitwriter_dump(bw, stdout); + return false; + } + + printf("testing utf8_uint64(0x00000000000007FF)... "); + FLAC__bitwriter_clear(bw); + FLAC__bitwriter_write_utf8_uint64(bw, FLAC__U64L(0x00000000000007FF)); + ok = TOTAL_BITS(bw) == 16 && (bw->accum & 0xffff) == 0xDFBF; + printf("%s\n", ok?"OK":"FAILED"); + if(!ok) { + FLAC__bitwriter_dump(bw, stdout); + return false; + } + + printf("testing utf8_uint64(0x0000000000000800)... "); + FLAC__bitwriter_clear(bw); + FLAC__bitwriter_write_utf8_uint64(bw, FLAC__U64L(0x0000000000000800)); + ok = TOTAL_BITS(bw) == 24 && (bw->accum & 0xffffff) == 0xE0A080; + printf("%s\n", ok?"OK":"FAILED"); + if(!ok) { + FLAC__bitwriter_dump(bw, stdout); + return false; + } + + printf("testing utf8_uint64(0x000000000000FFFF)... "); + FLAC__bitwriter_clear(bw); + FLAC__bitwriter_write_utf8_uint64(bw, FLAC__U64L(0x000000000000FFFF)); + ok = TOTAL_BITS(bw) == 24 && (bw->accum & 0xffffff) == 0xEFBFBF; + printf("%s\n", ok?"OK":"FAILED"); + if(!ok) { + FLAC__bitwriter_dump(bw, stdout); + return false; + } + + printf("testing utf8_uint64(0x0000000000010000)... "); + FLAC__bitwriter_clear(bw); + FLAC__bitwriter_write_utf8_uint64(bw, FLAC__U64L(0x0000000000010000)); +#if FLAC__BYTES_PER_WORD == 4 +#if WORDS_BIGENDIAN + ok = TOTAL_BITS(bw) == 32 && bw->buffer[0] == 0xF0908080; +#else + ok = TOTAL_BITS(bw) == 32 && bw->buffer[0] == 0x808090F0; +#endif +#elif FLAC__BYTES_PER_WORD == 8 + ok = TOTAL_BITS(bw) == 32 && (bw->accum & 0xffffffff) == 0xF0908080; +#endif + printf("%s\n", ok?"OK":"FAILED"); + if(!ok) { + FLAC__bitwriter_dump(bw, stdout); + return false; + } + + printf("testing utf8_uint64(0x00000000001FFFFF)... "); + FLAC__bitwriter_clear(bw); + FLAC__bitwriter_write_utf8_uint64(bw, FLAC__U64L(0x00000000001FFFFF)); +#if FLAC__BYTES_PER_WORD == 4 +#if WORDS_BIGENDIAN + ok = TOTAL_BITS(bw) == 32 && bw->buffer[0] == 0xF7BFBFBF; +#else + ok = TOTAL_BITS(bw) == 32 && bw->buffer[0] == 0xBFBFBFF7; +#endif +#elif FLAC__BYTES_PER_WORD == 8 + ok = TOTAL_BITS(bw) == 32 && (bw->accum & 0xffffffff) == 0xF7BFBFBF; +#endif + printf("%s\n", ok?"OK":"FAILED"); + if(!ok) { + FLAC__bitwriter_dump(bw, stdout); + return false; + } + + printf("testing utf8_uint64(0x0000000000200000)... "); + FLAC__bitwriter_clear(bw); + FLAC__bitwriter_write_utf8_uint64(bw, FLAC__U64L(0x0000000000200000)); +#if FLAC__BYTES_PER_WORD == 4 +#if WORDS_BIGENDIAN + ok = TOTAL_BITS(bw) == 40 && bw->buffer[0] == 0xF8888080 && (bw->accum & 0xff) == 0x80; +#else + ok = TOTAL_BITS(bw) == 40 && bw->buffer[0] == 0x808088F8 && (bw->accum & 0xff) == 0x80; +#endif +#elif FLAC__BYTES_PER_WORD == 8 + ok = TOTAL_BITS(bw) == 40 && (bw->accum & FLAC__U64L(0xffffffffff)) == FLAC__U64L(0xF888808080); +#endif + printf("%s\n", ok?"OK":"FAILED"); + if(!ok) { + FLAC__bitwriter_dump(bw, stdout); + return false; + } + + printf("testing utf8_uint64(0x0000000003FFFFFF)... "); + FLAC__bitwriter_clear(bw); + FLAC__bitwriter_write_utf8_uint64(bw, FLAC__U64L(0x0000000003FFFFFF)); +#if FLAC__BYTES_PER_WORD == 4 +#if WORDS_BIGENDIAN + ok = TOTAL_BITS(bw) == 40 && bw->buffer[0] == 0xFBBFBFBF && (bw->accum & 0xff) == 0xBF; +#else + ok = TOTAL_BITS(bw) == 40 && bw->buffer[0] == 0xBFBFBFFB && (bw->accum & 0xff) == 0xBF; +#endif +#elif FLAC__BYTES_PER_WORD == 8 + ok = TOTAL_BITS(bw) == 40 && (bw->accum & FLAC__U64L(0xffffffffff)) == FLAC__U64L(0xFBBFBFBFBF); +#endif + printf("%s\n", ok?"OK":"FAILED"); + if(!ok) { + FLAC__bitwriter_dump(bw, stdout); + return false; + } + + printf("testing utf8_uint64(0x0000000004000000)... "); + FLAC__bitwriter_clear(bw); + FLAC__bitwriter_write_utf8_uint64(bw, FLAC__U64L(0x0000000004000000)); +#if FLAC__BYTES_PER_WORD == 4 +#if WORDS_BIGENDIAN + ok = TOTAL_BITS(bw) == 48 && bw->buffer[0] == 0xFC848080 && (bw->accum & 0xffff) == 0x8080; +#else + ok = TOTAL_BITS(bw) == 48 && bw->buffer[0] == 0x808084FC && (bw->accum & 0xffff) == 0x8080; +#endif +#elif FLAC__BYTES_PER_WORD == 8 + ok = TOTAL_BITS(bw) == 48 && (bw->accum & FLAC__U64L(0xffffffffffff)) == FLAC__U64L(0xFC8480808080); +#endif + printf("%s\n", ok?"OK":"FAILED"); + if(!ok) { + FLAC__bitwriter_dump(bw, stdout); + return false; + } + + printf("testing utf8_uint64(0x000000007FFFFFFF)... "); + FLAC__bitwriter_clear(bw); + FLAC__bitwriter_write_utf8_uint64(bw, FLAC__U64L(0x000000007FFFFFFF)); +#if FLAC__BYTES_PER_WORD == 4 +#if WORDS_BIGENDIAN + ok = TOTAL_BITS(bw) == 48 && bw->buffer[0] == 0xFDBFBFBF && (bw->accum & 0xffff) == 0xBFBF; +#else + ok = TOTAL_BITS(bw) == 48 && bw->buffer[0] == 0xBFBFBFFD && (bw->accum & 0xffff) == 0xBFBF; +#endif +#elif FLAC__BYTES_PER_WORD == 8 + ok = TOTAL_BITS(bw) == 48 && (bw->accum & FLAC__U64L(0xffffffffffff)) == FLAC__U64L(0xFDBFBFBFBFBF); +#endif + printf("%s\n", ok?"OK":"FAILED"); + if(!ok) { + FLAC__bitwriter_dump(bw, stdout); + return false; + } + + printf("testing utf8_uint64(0x0000000080000000)... "); + FLAC__bitwriter_clear(bw); + FLAC__bitwriter_write_utf8_uint64(bw, FLAC__U64L(0x0000000080000000)); +#if FLAC__BYTES_PER_WORD == 4 +#if WORDS_BIGENDIAN + ok = TOTAL_BITS(bw) == 56 && bw->buffer[0] == 0xFE828080 && (bw->accum & 0xffffff) == 0x808080; +#else + ok = TOTAL_BITS(bw) == 56 && bw->buffer[0] == 0x808082FE && (bw->accum & 0xffffff) == 0x808080; +#endif +#elif FLAC__BYTES_PER_WORD == 8 + ok = TOTAL_BITS(bw) == 56 && (bw->accum & FLAC__U64L(0xffffffffffffff)) == FLAC__U64L(0xFE828080808080); +#endif + printf("%s\n", ok?"OK":"FAILED"); + if(!ok) { + FLAC__bitwriter_dump(bw, stdout); + return false; + } + + printf("testing utf8_uint64(0x0000000FFFFFFFFF)... "); + FLAC__bitwriter_clear(bw); + FLAC__bitwriter_write_utf8_uint64(bw, FLAC__U64L(0x0000000FFFFFFFFF)); +#if FLAC__BYTES_PER_WORD == 4 +#if WORDS_BIGENDIAN + ok = TOTAL_BITS(bw) == 56 && bw->buffer[0] == 0xFEBFBFBF && (bw->accum & 0xffffff) == 0xBFBFBF; +#else + ok = TOTAL_BITS(bw) == 56 && bw->buffer[0] == 0xBFBFBFFE && (bw->accum & 0xffffff) == 0xBFBFBF; +#endif +#elif FLAC__BYTES_PER_WORD == 8 + ok = TOTAL_BITS(bw) == 56 && (bw->accum & FLAC__U64L(0xffffffffffffff)) == FLAC__U64L(0xFEBFBFBFBFBFBF); +#endif + printf("%s\n", ok?"OK":"FAILED"); + if(!ok) { + FLAC__bitwriter_dump(bw, stdout); + return false; + } + + printf("testing grow... "); + FLAC__bitwriter_clear(bw); + FLAC__bitwriter_write_raw_uint32(bw, 0x5, 4); + j = bw->capacity; + for(i = 0; i < j; i++) + FLAC__bitwriter_write_raw_uint32(bw, 0xaaaaaaaa, 32); +#if FLAC__BYTES_PER_WORD == 4 +#if WORDS_BIGENDIAN + ok = TOTAL_BITS(bw) == i*32+4 && bw->buffer[0] == 0x5aaaaaaa && (bw->accum & 0xf) == 0xa; +#else + ok = TOTAL_BITS(bw) == i*32+4 && bw->buffer[0] == 0xaaaaaa5a && (bw->accum & 0xf) == 0xa; +#endif +#elif FLAC__BYTES_PER_WORD == 8 +#if WORDS_BIGENDIAN + ok = TOTAL_BITS(bw) == i*32+4 && bw->buffer[0] == FLAC__U64L(0x5aaaaaaaaaaaaaaa) && (bw->accum & 0xf) == 0xa; +#else + ok = TOTAL_BITS(bw) == i*32+4 && bw->buffer[0] == FLAC__U64L(0xaaaaaaaaaaaaaa5a) && (bw->accum & 0xf) == 0xa; +#endif +#endif + printf("%s\n", ok?"OK":"FAILED"); + if(!ok) { + FLAC__bitwriter_dump(bw, stdout); + return false; + } + printf("capacity = %u\n", bw->capacity); + + printf("testing free... "); + FLAC__bitwriter_free(bw); + printf("OK\n"); + + printf("testing delete... "); + FLAC__bitwriter_delete(bw); + printf("OK\n"); + + printf("\nPASSED!\n"); + return true; +} diff --git a/src/test_libFLAC/bitwriter.h b/src/test_libFLAC/bitwriter.h new file mode 100644 index 0000000..9b6a824 --- /dev/null +++ b/src/test_libFLAC/bitwriter.h @@ -0,0 +1,27 @@ +/* test_libFLAC - Unit tester for libFLAC + * Copyright (C) 2000-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifndef FLAC__TEST_LIBFLAC_BITBUFFER_H +#define FLAC__TEST_LIBFLAC_BITBUFFER_H + +#include "FLAC/ordinals.h" + +FLAC__bool test_bitwriter(void); + +#endif diff --git a/src/test_libFLAC/crc.c b/src/test_libFLAC/crc.c new file mode 100644 index 0000000..8b87671 --- /dev/null +++ b/src/test_libFLAC/crc.c @@ -0,0 +1,274 @@ +/* test_libFLAC - Unit tester for libFLAC + * Copyright (C) 2014-2023 Xiph.Org Foundation + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include <stdio.h> + +#include "FLAC/assert.h" +#include "share/compat.h" +#include "private/crc.h" +#include "crc.h" + +static FLAC__uint8 crc8_update_ref(FLAC__byte byte, FLAC__uint8 crc); +static FLAC__uint16 crc16_update_ref(FLAC__byte byte, FLAC__uint16 crc); + +static FLAC__bool test_crc8(const FLAC__byte *data, size_t size); +static FLAC__bool test_crc16(const FLAC__byte *data, size_t size); +static FLAC__bool test_crc16_update(const FLAC__byte *data, size_t size); +static FLAC__bool test_crc16_32bit_words(const FLAC__uint32 *words, size_t size); +static FLAC__bool test_crc16_64bit_words(const FLAC__uint64 *words, size_t size); + +#define DATA_SIZE 32768 + +FLAC__bool test_crc(void) +{ + uint32_t i; + FLAC__byte data[DATA_SIZE] = { 0 }; + + /* Initialize data reproducibly with pseudo-random values. */ + for (i = 1; i < DATA_SIZE; i++) + data[i] = crc8_update_ref(i % 256, data[i - 1]); + + printf("\n+++ libFLAC unit test: crc\n\n"); + + if (! test_crc8(data, DATA_SIZE)) + return false; + + if (! test_crc16(data, DATA_SIZE)) + return false; + + if (! test_crc16_update(data, DATA_SIZE)) + return false; + + if (! test_crc16_32bit_words((FLAC__uint32 *)data, DATA_SIZE / 4)) + return false; + + if (! test_crc16_64bit_words((FLAC__uint64 *)data, DATA_SIZE / 8)) + return false; + + printf("\nPASSED!\n"); + return true; +} + +/*----------------------------------------------------------------------------*/ + +/* Reference implementations of CRC-8 and CRC-16 to check against. */ + +#define CRC8_POLYNOMIAL 0x07 + +static FLAC__uint8 crc8_update_ref(FLAC__byte byte, FLAC__uint8 crc) +{ + uint32_t i; + + crc ^= byte; + + for (i = 0; i < 8; i++) { + crc = (crc << 1) ^ ((crc >> 7) ? CRC8_POLYNOMIAL : 0); + } + + return crc; +} + +#define CRC16_POLYNOMIAL 0x8005 + +static FLAC__uint16 crc16_update_ref(FLAC__byte byte, FLAC__uint16 crc) +{ + uint32_t i; + + crc ^= byte << 8; + + for (i = 0; i < 8; i++) { + crc = (crc << 1) ^ ((crc >> 15) ? CRC16_POLYNOMIAL : 0); + } + + return crc; +} + +/*----------------------------------------------------------------------------*/ + +static FLAC__bool test_crc8(const FLAC__byte *data, size_t size) +{ + uint32_t i; + FLAC__uint8 crc0,crc1; + + printf("testing FLAC__crc8 ... "); + + crc0 = 0; + crc1 = FLAC__crc8(data, 0); + + if (crc1 != crc0) { + printf("FAILED, FLAC__crc8 returned non-zero CRC for zero bytes of data\n"); + return false; + } + + for (i = 0; i < size; i++) { + crc0 = crc8_update_ref(data[i], crc0); + crc1 = FLAC__crc8(data, i + 1); + + if (crc1 != crc0) { + printf("FAILED, FLAC__crc8 result did not match reference CRC for %u bytes of test data\n", i + 1); + return false; + } + } + + printf("OK\n"); + + return true; +} + +static FLAC__bool test_crc16(const FLAC__byte *data, size_t size) +{ + uint32_t i; + FLAC__uint16 crc0,crc1; + + printf("testing FLAC__crc16 ... "); + + crc0 = 0; + crc1 = FLAC__crc16(data, 0); + + if (crc1 != crc0) { + printf("FAILED, FLAC__crc16 returned non-zero CRC for zero bytes of data\n"); + return false; + } + + for (i = 0; i < size; i++) { + crc0 = crc16_update_ref(data[i], crc0); + crc1 = FLAC__crc16(data, i + 1); + + if (crc1 != crc0) { + printf("FAILED, FLAC__crc16 result did not match reference CRC for %u bytes of test data\n", i + 1); + return false; + } + } + + printf("OK\n"); + + return true; +} + +static FLAC__bool test_crc16_update(const FLAC__byte *data, size_t size) +{ + uint32_t i; + FLAC__uint16 crc0,crc1; + + printf("testing FLAC__CRC16_UPDATE macro ... "); + + crc0 = 0; + crc1 = 0; + + for (i = 0; i < size; i++) { + crc0 = crc16_update_ref(data[i], crc0); + crc1 = FLAC__CRC16_UPDATE(data[i], crc1); + + if (crc1 != crc0) { + printf("FAILED, FLAC__CRC16_UPDATE result did not match reference CRC after %u bytes of test data\n", i + 1); + return false; + } + } + + printf("OK\n"); + + return true; +} + +static FLAC__bool test_crc16_32bit_words(const FLAC__uint32 *words, size_t size) +{ + uint32_t n,i,k; + FLAC__uint16 crc0,crc1; + + for (n = 1; n <= 16; n++) { + printf("testing FLAC__crc16_update_words32 (length=%i) ... ", n); + + crc0 = 0; + crc1 = 0; + + for (i = 0; i <= size - n; i += n) { + for (k = 0; k < n; k++) { + crc0 = crc16_update_ref( words[i + k] >> 24, crc0); + crc0 = crc16_update_ref((words[i + k] >> 16) & 0xFF, crc0); + crc0 = crc16_update_ref((words[i + k] >> 8) & 0xFF, crc0); + crc0 = crc16_update_ref( words[i + k] & 0xFF, crc0); + } + + crc1 = FLAC__crc16_update_words32(words + i, n, crc1); + + if (crc1 != crc0) { + printf("FAILED, FLAC__crc16_update_words32 result did not match reference CRC after %u words of test data\n", i + n); + return false; + } + } + + crc1 = FLAC__crc16_update_words32(words, 0, crc1); + + if (crc1 != crc0) { + printf("FAILED, FLAC__crc16_update_words32 called with zero bytes changed CRC value\n"); + return false; + } + + printf("OK\n"); + } + + return true; +} + +static FLAC__bool test_crc16_64bit_words(const FLAC__uint64 *words, size_t size) +{ + uint32_t n,i,k; + FLAC__uint16 crc0,crc1; + + for (n = 1; n <= 16; n++) { + printf("testing FLAC__crc16_update_words64 (length=%i) ... ", n); + + crc0 = 0; + crc1 = 0; + + for (i = 0; i <= size - n; i += n) { + for (k = 0; k < n; k++) { + crc0 = crc16_update_ref( words[i + k] >> 56, crc0); + crc0 = crc16_update_ref((words[i + k] >> 48) & 0xFF, crc0); + crc0 = crc16_update_ref((words[i + k] >> 40) & 0xFF, crc0); + crc0 = crc16_update_ref((words[i + k] >> 32) & 0xFF, crc0); + crc0 = crc16_update_ref((words[i + k] >> 24) & 0xFF, crc0); + crc0 = crc16_update_ref((words[i + k] >> 16) & 0xFF, crc0); + crc0 = crc16_update_ref((words[i + k] >> 8) & 0xFF, crc0); + crc0 = crc16_update_ref( words[i + k] & 0xFF, crc0); + } + + crc1 = FLAC__crc16_update_words64(words + i, n, crc1); + + if (crc1 != crc0) { + printf("FAILED, FLAC__crc16_update_words64 result did not match reference CRC after %u words of test data\n", i + n); + return false; + } + } + + crc1 = FLAC__crc16_update_words64(words, 0, crc1); + + if (crc1 != crc0) { + printf("FAILED, FLAC__crc16_update_words64 called with zero bytes changed CRC value\n"); + return false; + } + + printf("OK\n"); + } + + return true; +} diff --git a/src/test_libFLAC/crc.h b/src/test_libFLAC/crc.h new file mode 100644 index 0000000..11523cd --- /dev/null +++ b/src/test_libFLAC/crc.h @@ -0,0 +1,26 @@ +/* test_libFLAC - Unit tester for libFLAC + * Copyright (C) 2014-2023 Xiph.Org Foundation + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifndef FLAC__TEST_LIBFLAC_CRC_H +#define FLAC__TEST_LIBFLAC_CRC_H + +#include "FLAC/ordinals.h" + +FLAC__bool test_crc(void); + +#endif diff --git a/src/test_libFLAC/decoders.c b/src/test_libFLAC/decoders.c new file mode 100644 index 0000000..ae114ce --- /dev/null +++ b/src/test_libFLAC/decoders.c @@ -0,0 +1,1054 @@ +/* test_libFLAC - Unit tester for libFLAC + * Copyright (C) 2002-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include <errno.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include "decoders.h" +#include "FLAC/assert.h" +#include "FLAC/stream_decoder.h" +#include "share/grabbag.h" +#include "share/compat.h" +#include "share/safe_str.h" +#include "test_libs_common/file_utils_flac.h" +#include "test_libs_common/metadata_utils.h" + +typedef enum { + LAYER_STREAM = 0, /* FLAC__stream_decoder_init_[ogg_]stream() without seeking */ + LAYER_SEEKABLE_STREAM, /* FLAC__stream_decoder_init_[ogg_]stream() with seeking */ + LAYER_FILE, /* FLAC__stream_decoder_init_[ogg_]FILE() */ + LAYER_FILENAME /* FLAC__stream_decoder_init_[ogg_]file() */ +} Layer; + +static const char * const LayerString[] = { + "Stream", + "Seekable Stream", + "FILE*", + "Filename" +}; + +typedef struct { + Layer layer; + FILE *file; + char filename[512]; + uint32_t current_metadata_number; + FLAC__bool ignore_errors; + FLAC__bool error_occurred; +} StreamDecoderClientData; + +static FLAC__StreamMetadata streaminfo_, padding_, seektable_, application1_, application2_, vorbiscomment_, cuesheet_, picture_, unknown_; +static FLAC__StreamMetadata *expected_metadata_sequence_[9]; +static uint32_t num_expected_; +static FLAC__off_t flacfilesize_; + +static const char *flacfilename(FLAC__bool is_ogg) +{ + return is_ogg? "metadata.oga" : "metadata.flac"; +} + +static FLAC__bool die_(const char *msg) +{ + printf("ERROR: %s\n", msg); + return false; +} + +static FLAC__bool die_s_(const char *msg, const FLAC__StreamDecoder *decoder) +{ + FLAC__StreamDecoderState state = FLAC__stream_decoder_get_state(decoder); + + if(msg) + printf("FAILED, %s", msg); + else + printf("FAILED"); + + printf(", state = %u (%s)\n", (uint32_t)state, FLAC__StreamDecoderStateString[state]); + + return false; +} + +static void open_test_file(StreamDecoderClientData * pdcd, int is_ogg, const char * mode) +{ + pdcd->file = flac_fopen(flacfilename(is_ogg), mode); + safe_strncpy(pdcd->filename, flacfilename(is_ogg), sizeof (pdcd->filename)); +} + +static void init_metadata_blocks_(void) +{ + mutils__init_metadata_blocks(&streaminfo_, &padding_, &seektable_, &application1_, &application2_, &vorbiscomment_, &cuesheet_, &picture_, &unknown_); +} + +static void free_metadata_blocks_(void) +{ + mutils__free_metadata_blocks(&streaminfo_, &padding_, &seektable_, &application1_, &application2_, &vorbiscomment_, &cuesheet_, &picture_, &unknown_); +} + +static FLAC__bool generate_file_(FLAC__bool is_ogg) +{ + printf("\n\ngenerating %sFLAC file for decoder tests...\n", is_ogg? "Ogg ":""); + + num_expected_ = 0; + expected_metadata_sequence_[num_expected_++] = &padding_; + expected_metadata_sequence_[num_expected_++] = &seektable_; + expected_metadata_sequence_[num_expected_++] = &application1_; + expected_metadata_sequence_[num_expected_++] = &application2_; + expected_metadata_sequence_[num_expected_++] = &vorbiscomment_; + expected_metadata_sequence_[num_expected_++] = &cuesheet_; + expected_metadata_sequence_[num_expected_++] = &picture_; + expected_metadata_sequence_[num_expected_++] = &unknown_; + /* WATCHOUT: for Ogg FLAC the encoder should move the VORBIS_COMMENT block to the front, right after STREAMINFO */ + + if(!file_utils__generate_flacfile(is_ogg, flacfilename(is_ogg), &flacfilesize_, 512 * 1024, &streaminfo_, expected_metadata_sequence_, num_expected_)) + return die_("creating the encoded file"); + + return true; +} + +static FLAC__StreamDecoderReadStatus stream_decoder_read_callback_(const FLAC__StreamDecoder *decoder, FLAC__byte buffer[], size_t *bytes, void *client_data) +{ + StreamDecoderClientData *dcd = (StreamDecoderClientData*)client_data; + const size_t requested_bytes = *bytes; + + (void)decoder; + + if(0 == dcd) { + printf("ERROR: client_data in read callback is NULL\n"); + return FLAC__STREAM_DECODER_READ_STATUS_ABORT; + } + + if(dcd->error_occurred) + return FLAC__STREAM_DECODER_READ_STATUS_ABORT; + + if(feof(dcd->file)) { + *bytes = 0; + return FLAC__STREAM_DECODER_READ_STATUS_END_OF_STREAM; + } + else if(requested_bytes > 0) { + *bytes = fread(buffer, 1, requested_bytes, dcd->file); + if(*bytes == 0) { + if(feof(dcd->file)) + return FLAC__STREAM_DECODER_READ_STATUS_END_OF_STREAM; + else + return FLAC__STREAM_DECODER_READ_STATUS_ABORT; + } + else { + return FLAC__STREAM_DECODER_READ_STATUS_CONTINUE; + } + } + else + return FLAC__STREAM_DECODER_READ_STATUS_ABORT; /* abort to avoid a deadlock */ +} + +static FLAC__StreamDecoderSeekStatus stream_decoder_seek_callback_(const FLAC__StreamDecoder *decoder, FLAC__uint64 absolute_byte_offset, void *client_data) +{ + StreamDecoderClientData *dcd = (StreamDecoderClientData*)client_data; + + (void)decoder; + + if(0 == dcd) { + printf("ERROR: client_data in seek callback is NULL\n"); + return FLAC__STREAM_DECODER_SEEK_STATUS_ERROR; + } + + if(dcd->error_occurred) + return FLAC__STREAM_DECODER_SEEK_STATUS_ERROR; + + if(fseeko(dcd->file, (FLAC__off_t)absolute_byte_offset, SEEK_SET) < 0) { + dcd->error_occurred = true; + return FLAC__STREAM_DECODER_SEEK_STATUS_ERROR; + } + + return FLAC__STREAM_DECODER_SEEK_STATUS_OK; +} + +static FLAC__StreamDecoderTellStatus stream_decoder_tell_callback_(const FLAC__StreamDecoder *decoder, FLAC__uint64 *absolute_byte_offset, void *client_data) +{ + StreamDecoderClientData *dcd = (StreamDecoderClientData*)client_data; + FLAC__off_t offset; + + (void)decoder; + + if(0 == dcd) { + printf("ERROR: client_data in tell callback is NULL\n"); + return FLAC__STREAM_DECODER_TELL_STATUS_ERROR; + } + + if(dcd->error_occurred) + return FLAC__STREAM_DECODER_TELL_STATUS_ERROR; + + offset = ftello(dcd->file); + *absolute_byte_offset = (FLAC__uint64)offset; + + if(offset < 0) { + dcd->error_occurred = true; + return FLAC__STREAM_DECODER_TELL_STATUS_ERROR; + } + + return FLAC__STREAM_DECODER_TELL_STATUS_OK; +} + +static FLAC__StreamDecoderLengthStatus stream_decoder_length_callback_(const FLAC__StreamDecoder *decoder, FLAC__uint64 *stream_length, void *client_data) +{ + StreamDecoderClientData *dcd = (StreamDecoderClientData*)client_data; + + (void)decoder; + + if(0 == dcd) { + printf("ERROR: client_data in length callback is NULL\n"); + return FLAC__STREAM_DECODER_LENGTH_STATUS_ERROR; + } + + if(dcd->error_occurred) + return FLAC__STREAM_DECODER_LENGTH_STATUS_ERROR; + + *stream_length = (FLAC__uint64)flacfilesize_; + return FLAC__STREAM_DECODER_LENGTH_STATUS_OK; +} + +static FLAC__bool stream_decoder_eof_callback_(const FLAC__StreamDecoder *decoder, void *client_data) +{ + StreamDecoderClientData *dcd = (StreamDecoderClientData*)client_data; + + (void)decoder; + + if(0 == dcd) { + printf("ERROR: client_data in eof callback is NULL\n"); + return true; + } + + if(dcd->error_occurred) + return true; + + return feof(dcd->file); +} + +static FLAC__StreamDecoderWriteStatus stream_decoder_write_callback_(const FLAC__StreamDecoder *decoder, const FLAC__Frame *frame, const FLAC__int32 * const buffer[], void *client_data) +{ + StreamDecoderClientData *dcd = (StreamDecoderClientData*)client_data; + + (void)decoder, (void)buffer; + + if(0 == dcd) { + printf("ERROR: client_data in write callback is NULL\n"); + return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT; + } + + if(dcd->error_occurred) + return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT; + + if( + (frame->header.number_type == FLAC__FRAME_NUMBER_TYPE_FRAME_NUMBER && frame->header.number.frame_number == 0) || + (frame->header.number_type == FLAC__FRAME_NUMBER_TYPE_SAMPLE_NUMBER && frame->header.number.sample_number == 0) + ) { + printf("content... "); + fflush(stdout); + } + + return FLAC__STREAM_DECODER_WRITE_STATUS_CONTINUE; +} + +static void stream_decoder_metadata_callback_(const FLAC__StreamDecoder *decoder, const FLAC__StreamMetadata *metadata, void *client_data) +{ + StreamDecoderClientData *dcd = (StreamDecoderClientData*)client_data; + + (void)decoder; + + if(0 == dcd) { + printf("ERROR: client_data in metadata callback is NULL\n"); + return; + } + + if(dcd->error_occurred) + return; + + if (metadata->type == FLAC__METADATA_TYPE_APPLICATION) { + printf ("%u ('%c%c%c%c')... ", dcd->current_metadata_number, metadata->data.application.id [0], metadata->data.application.id [1], metadata->data.application.id [2], metadata->data.application.id [3]); + } + else { + printf("%u... ", dcd->current_metadata_number); + } + fflush(stdout); + + + if(dcd->current_metadata_number >= num_expected_) { + (void)die_("got more metadata blocks than expected"); + dcd->error_occurred = true; + } + else { + if(!mutils__compare_block(expected_metadata_sequence_[dcd->current_metadata_number], metadata)) { + (void)die_("metadata block mismatch"); + dcd->error_occurred = true; + } + } + dcd->current_metadata_number++; +} + +static void stream_decoder_error_callback_(const FLAC__StreamDecoder *decoder, FLAC__StreamDecoderErrorStatus status, void *client_data) +{ + StreamDecoderClientData *dcd = (StreamDecoderClientData*)client_data; + + (void)decoder; + + if(0 == dcd) { + printf("ERROR: client_data in error callback is NULL\n"); + return; + } + + if(!dcd->ignore_errors) { + printf("ERROR: got error callback: err = %u (%s)\n", (uint32_t)status, FLAC__StreamDecoderErrorStatusString[status]); + dcd->error_occurred = true; + } +} + +static FLAC__bool stream_decoder_test_respond_(FLAC__StreamDecoder *decoder, StreamDecoderClientData *dcd, FLAC__bool is_ogg) +{ + FLAC__StreamDecoderInitStatus init_status; + + if(!FLAC__stream_decoder_set_md5_checking(decoder, true)) + return die_s_("at FLAC__stream_decoder_set_md5_checking(), returned false", decoder); + + /* for FLAC__stream_encoder_init_FILE(), the FLAC__stream_encoder_finish() closes the file so we have to keep re-opening: */ + if(dcd->layer == LAYER_FILE) { + printf("opening %sFLAC file... ", is_ogg? "Ogg ":""); + open_test_file(dcd, is_ogg, "rb"); + if(0 == dcd->file) { + printf("ERROR (%s)\n", strerror(errno)); + return false; + } + printf("OK\n"); + } + + switch(dcd->layer) { + case LAYER_STREAM: + printf("testing FLAC__stream_decoder_init_%sstream()... ", is_ogg? "ogg_":""); + init_status = is_ogg? + FLAC__stream_decoder_init_ogg_stream(decoder, stream_decoder_read_callback_, /*seek_callback=*/0, /*tell_callback=*/0, /*length_callback=*/0, /*eof_callback=*/0, stream_decoder_write_callback_, stream_decoder_metadata_callback_, stream_decoder_error_callback_, dcd) : + FLAC__stream_decoder_init_stream(decoder, stream_decoder_read_callback_, /*seek_callback=*/0, /*tell_callback=*/0, /*length_callback=*/0, /*eof_callback=*/0, stream_decoder_write_callback_, stream_decoder_metadata_callback_, stream_decoder_error_callback_, dcd) + ; + break; + case LAYER_SEEKABLE_STREAM: + printf("testing FLAC__stream_decoder_init_%sstream()... ", is_ogg? "ogg_":""); + init_status = is_ogg? + FLAC__stream_decoder_init_ogg_stream(decoder, stream_decoder_read_callback_, stream_decoder_seek_callback_, stream_decoder_tell_callback_, stream_decoder_length_callback_, stream_decoder_eof_callback_, stream_decoder_write_callback_, stream_decoder_metadata_callback_, stream_decoder_error_callback_, dcd) : + FLAC__stream_decoder_init_stream(decoder, stream_decoder_read_callback_, stream_decoder_seek_callback_, stream_decoder_tell_callback_, stream_decoder_length_callback_, stream_decoder_eof_callback_, stream_decoder_write_callback_, stream_decoder_metadata_callback_, stream_decoder_error_callback_, dcd); + break; + case LAYER_FILE: + printf("testing FLAC__stream_decoder_init_%sFILE()... ", is_ogg? "ogg_":""); + init_status = is_ogg? + FLAC__stream_decoder_init_ogg_FILE(decoder, dcd->file, stream_decoder_write_callback_, stream_decoder_metadata_callback_, stream_decoder_error_callback_, dcd) : + FLAC__stream_decoder_init_FILE(decoder, dcd->file, stream_decoder_write_callback_, stream_decoder_metadata_callback_, stream_decoder_error_callback_, dcd); + break; + case LAYER_FILENAME: + printf("testing FLAC__stream_decoder_init_%sfile()... ", is_ogg? "ogg_":""); + init_status = is_ogg? + FLAC__stream_decoder_init_ogg_file(decoder, flacfilename(is_ogg), stream_decoder_write_callback_, stream_decoder_metadata_callback_, stream_decoder_error_callback_, dcd) : + FLAC__stream_decoder_init_file(decoder, flacfilename(is_ogg), stream_decoder_write_callback_, stream_decoder_metadata_callback_, stream_decoder_error_callback_, dcd); + break; + default: + die_("internal error 000"); + return false; + } + if(init_status != FLAC__STREAM_DECODER_INIT_STATUS_OK) + return die_s_(0, decoder); + printf("OK\n"); + + dcd->current_metadata_number = 0; + + if(dcd->layer < LAYER_FILE && fseeko(dcd->file, 0, SEEK_SET) < 0) { + printf("FAILED rewinding input, errno = %d\n", errno); + return false; + } + + printf("testing FLAC__stream_decoder_process_until_end_of_stream()... "); + if(!FLAC__stream_decoder_process_until_end_of_stream(decoder)) + return die_s_("returned false", decoder); + printf("OK\n"); + + printf("testing FLAC__stream_decoder_finish()... "); + if(!FLAC__stream_decoder_finish(decoder)) + return die_s_("returned false", decoder); + printf("OK\n"); + + return true; +} + +static FLAC__bool test_stream_decoder(Layer layer, FLAC__bool is_ogg) +{ + FLAC__StreamDecoder *decoder; + FLAC__StreamDecoderInitStatus init_status; + FLAC__StreamDecoderState state; + StreamDecoderClientData decoder_client_data; + FLAC__bool expect; + + decoder_client_data.layer = layer; + + printf("\n+++ libFLAC unit test: FLAC__StreamDecoder (layer: %s, format: %s)\n\n", LayerString[layer], is_ogg? "Ogg FLAC" : "FLAC"); + + printf("testing FLAC__stream_decoder_new()... "); + decoder = FLAC__stream_decoder_new(); + if(0 == decoder) { + printf("FAILED, returned NULL\n"); + return false; + } + printf("OK\n"); + + printf("testing FLAC__stream_decoder_delete()... "); + FLAC__stream_decoder_delete(decoder); + printf("OK\n"); + + printf("testing FLAC__stream_decoder_new()... "); + decoder = FLAC__stream_decoder_new(); + if(0 == decoder) { + printf("FAILED, returned NULL\n"); + return false; + } + printf("OK\n"); + + switch(layer) { + case LAYER_STREAM: + case LAYER_SEEKABLE_STREAM: + printf("testing FLAC__stream_decoder_init_%sstream()... ", is_ogg? "ogg_":""); + init_status = is_ogg? + FLAC__stream_decoder_init_ogg_stream(decoder, 0, 0, 0, 0, 0, 0, 0, 0, 0) : + FLAC__stream_decoder_init_stream(decoder, 0, 0, 0, 0, 0, 0, 0, 0, 0); + break; + case LAYER_FILE: + printf("testing FLAC__stream_decoder_init_%sFILE()... ", is_ogg? "ogg_":""); + init_status = is_ogg? + FLAC__stream_decoder_init_ogg_FILE(decoder, stdin, 0, 0, 0, 0) : + FLAC__stream_decoder_init_FILE(decoder, stdin, 0, 0, 0, 0); + break; + case LAYER_FILENAME: + printf("testing FLAC__stream_decoder_init_%sfile()... ", is_ogg? "ogg_":""); + init_status = is_ogg? + FLAC__stream_decoder_init_ogg_file(decoder, flacfilename(is_ogg), 0, 0, 0, 0) : + FLAC__stream_decoder_init_file(decoder, flacfilename(is_ogg), 0, 0, 0, 0); + break; + default: + die_("internal error 003"); + return false; + } + if(init_status != FLAC__STREAM_DECODER_INIT_STATUS_INVALID_CALLBACKS) + return die_s_(0, decoder); + printf("OK\n"); + + printf("testing FLAC__stream_decoder_delete()... "); + FLAC__stream_decoder_delete(decoder); + printf("OK\n"); + + num_expected_ = 0; + expected_metadata_sequence_[num_expected_++] = &streaminfo_; + + printf("testing FLAC__stream_decoder_new()... "); + decoder = FLAC__stream_decoder_new(); + if(0 == decoder) { + printf("FAILED, returned NULL\n"); + return false; + } + printf("OK\n"); + + if(is_ogg) { + printf("testing FLAC__stream_decoder_set_ogg_serial_number()... "); + if(!FLAC__stream_decoder_set_ogg_serial_number(decoder, file_utils__ogg_serial_number)) + return die_s_("returned false", decoder); + printf("OK\n"); + } + + printf("testing FLAC__stream_decoder_set_md5_checking()... "); + if(!FLAC__stream_decoder_set_md5_checking(decoder, true)) + return die_s_("returned false", decoder); + printf("OK\n"); + + if(layer < LAYER_FILENAME) { + printf("opening %sFLAC file... ", is_ogg? "Ogg ":""); + open_test_file(&decoder_client_data, is_ogg, "rb"); + if(0 == decoder_client_data.file) { + printf("ERROR (%s)\n", strerror(errno)); + return false; + } + printf("OK\n"); + } + + switch(layer) { + case LAYER_STREAM: + printf("testing FLAC__stream_decoder_init_%sstream()... ", is_ogg? "ogg_":""); + init_status = is_ogg? + FLAC__stream_decoder_init_ogg_stream(decoder, stream_decoder_read_callback_, /*seek_callback=*/0, /*tell_callback=*/0, /*length_callback=*/0, /*eof_callback=*/0, stream_decoder_write_callback_, stream_decoder_metadata_callback_, stream_decoder_error_callback_, &decoder_client_data) : + FLAC__stream_decoder_init_stream(decoder, stream_decoder_read_callback_, /*seek_callback=*/0, /*tell_callback=*/0, /*length_callback=*/0, /*eof_callback=*/0, stream_decoder_write_callback_, stream_decoder_metadata_callback_, stream_decoder_error_callback_, &decoder_client_data); + break; + case LAYER_SEEKABLE_STREAM: + printf("testing FLAC__stream_decoder_init_%sstream()... ", is_ogg? "ogg_":""); + init_status = is_ogg? + FLAC__stream_decoder_init_ogg_stream(decoder, stream_decoder_read_callback_, stream_decoder_seek_callback_, stream_decoder_tell_callback_, stream_decoder_length_callback_, stream_decoder_eof_callback_, stream_decoder_write_callback_, stream_decoder_metadata_callback_, stream_decoder_error_callback_, &decoder_client_data) : + FLAC__stream_decoder_init_stream(decoder, stream_decoder_read_callback_, stream_decoder_seek_callback_, stream_decoder_tell_callback_, stream_decoder_length_callback_, stream_decoder_eof_callback_, stream_decoder_write_callback_, stream_decoder_metadata_callback_, stream_decoder_error_callback_, &decoder_client_data); + break; + case LAYER_FILE: + printf("testing FLAC__stream_decoder_init_%sFILE()... ", is_ogg? "ogg_":""); + init_status = is_ogg? + FLAC__stream_decoder_init_ogg_FILE(decoder, decoder_client_data.file, stream_decoder_write_callback_, stream_decoder_metadata_callback_, stream_decoder_error_callback_, &decoder_client_data) : + FLAC__stream_decoder_init_FILE(decoder, decoder_client_data.file, stream_decoder_write_callback_, stream_decoder_metadata_callback_, stream_decoder_error_callback_, &decoder_client_data); + break; + case LAYER_FILENAME: + printf("testing FLAC__stream_decoder_init_%sfile()... ", is_ogg? "ogg_":""); + init_status = is_ogg? + FLAC__stream_decoder_init_ogg_file(decoder, flacfilename(is_ogg), stream_decoder_write_callback_, stream_decoder_metadata_callback_, stream_decoder_error_callback_, &decoder_client_data) : + FLAC__stream_decoder_init_file(decoder, flacfilename(is_ogg), stream_decoder_write_callback_, stream_decoder_metadata_callback_, stream_decoder_error_callback_, &decoder_client_data); + break; + default: + die_("internal error 009"); + return false; + } + if(init_status != FLAC__STREAM_DECODER_INIT_STATUS_OK) + return die_s_(0, decoder); + printf("OK\n"); + + printf("testing FLAC__stream_decoder_get_state()... "); + state = FLAC__stream_decoder_get_state(decoder); + printf("returned state = %u (%s)... OK\n", state, FLAC__StreamDecoderStateString[state]); + + decoder_client_data.current_metadata_number = 0; + decoder_client_data.ignore_errors = false; + decoder_client_data.error_occurred = false; + + printf("testing FLAC__stream_decoder_get_md5_checking()... "); + if(!FLAC__stream_decoder_get_md5_checking(decoder)) { + printf("FAILED, returned false, expected true\n"); + return false; + } + printf("OK\n"); + + printf("testing FLAC__stream_decoder_process_until_end_of_metadata()... "); + if(!FLAC__stream_decoder_process_until_end_of_metadata(decoder)) + return die_s_("returned false", decoder); + printf("OK\n"); + + printf("testing FLAC__stream_decoder_process_single()... "); + if(!FLAC__stream_decoder_process_single(decoder)) + return die_s_("returned false", decoder); + printf("OK\n"); + + printf("testing FLAC__stream_decoder_skip_single_frame()... "); + if(!FLAC__stream_decoder_skip_single_frame(decoder)) + return die_s_("returned false", decoder); + printf("OK\n"); + + if(layer < LAYER_FILE) { + printf("testing FLAC__stream_decoder_flush()... "); + if(!FLAC__stream_decoder_flush(decoder)) + return die_s_("returned false", decoder); + printf("OK\n"); + + decoder_client_data.ignore_errors = true; + printf("testing FLAC__stream_decoder_process_single()... "); + if(!FLAC__stream_decoder_process_single(decoder)) + return die_s_("returned false", decoder); + printf("OK\n"); + decoder_client_data.ignore_errors = false; + } + + expect = (layer != LAYER_STREAM); + printf("testing FLAC__stream_decoder_seek_absolute()... "); + if(FLAC__stream_decoder_seek_absolute(decoder, 0) != expect) + return die_s_(expect? "returned false" : "returned true", decoder); + printf("OK\n"); + + printf("testing FLAC__stream_decoder_process_until_end_of_stream()... "); + if(!FLAC__stream_decoder_process_until_end_of_stream(decoder)) + return die_s_("returned false", decoder); + printf("OK\n"); + + expect = (layer != LAYER_STREAM); + printf("testing FLAC__stream_decoder_seek_absolute()... "); + if(FLAC__stream_decoder_seek_absolute(decoder, 0) != expect) + return die_s_(expect? "returned false" : "returned true", decoder); + printf("OK\n"); + + printf("testing FLAC__stream_decoder_get_channels()... "); + { + uint32_t channels = FLAC__stream_decoder_get_channels(decoder); + if(channels != streaminfo_.data.stream_info.channels) { + printf("FAILED, returned %u, expected %u\n", channels, streaminfo_.data.stream_info.channels); + return false; + } + } + printf("OK\n"); + + printf("testing FLAC__stream_decoder_get_bits_per_sample()... "); + { + uint32_t bits_per_sample = FLAC__stream_decoder_get_bits_per_sample(decoder); + if(bits_per_sample != streaminfo_.data.stream_info.bits_per_sample) { + printf("FAILED, returned %u, expected %u\n", bits_per_sample, streaminfo_.data.stream_info.bits_per_sample); + return false; + } + } + printf("OK\n"); + + printf("testing FLAC__stream_decoder_get_sample_rate()... "); + { + uint32_t sample_rate = FLAC__stream_decoder_get_sample_rate(decoder); + if(sample_rate != streaminfo_.data.stream_info.sample_rate) { + printf("FAILED, returned %u, expected %u\n", sample_rate, streaminfo_.data.stream_info.sample_rate); + return false; + } + } + printf("OK\n"); + + printf("testing FLAC__stream_decoder_get_blocksize()... "); + { + uint32_t blocksize = FLAC__stream_decoder_get_blocksize(decoder); + /* value could be anything since we're at the last block, so accept any reasonable answer */ + printf("returned %u... %s\n", blocksize, blocksize>0? "OK" : "FAILED"); + if(blocksize == 0) + return false; + } + + printf("testing FLAC__stream_decoder_get_channel_assignment()... "); + { + FLAC__ChannelAssignment ca = FLAC__stream_decoder_get_channel_assignment(decoder); + printf("returned %u (%s)... OK\n", (uint32_t)ca, FLAC__ChannelAssignmentString[ca]); + } + + if(layer < LAYER_FILE) { + printf("testing FLAC__stream_decoder_reset()... "); + if(!FLAC__stream_decoder_reset(decoder)) { + state = FLAC__stream_decoder_get_state(decoder); + printf("FAILED, returned false, state = %u (%s)\n", state, FLAC__StreamDecoderStateString[state]); + return false; + } + printf("OK\n"); + + if(layer == LAYER_STREAM) { + /* after a reset() we have to rewind the input ourselves */ + printf("rewinding input... "); + if(fseeko(decoder_client_data.file, 0, SEEK_SET) < 0) { + printf("FAILED, errno = %d\n", errno); + return false; + } + printf("OK\n"); + } + + decoder_client_data.current_metadata_number = 0; + + printf("testing FLAC__stream_decoder_process_until_end_of_stream()... "); + if(!FLAC__stream_decoder_process_until_end_of_stream(decoder)) + return die_s_("returned false", decoder); + printf("OK\n"); + } + + printf("testing FLAC__stream_decoder_finish()... "); + if(!FLAC__stream_decoder_finish(decoder)) + return die_s_("returned false", decoder); + printf("OK\n"); + + /* + * respond all + */ + + printf("testing FLAC__stream_decoder_set_metadata_respond_all()... "); + if(!FLAC__stream_decoder_set_metadata_respond_all(decoder)) + return die_s_("returned false", decoder); + printf("OK\n"); + + num_expected_ = 0; + if(is_ogg) { /* encoder moves vorbis comment after streaminfo according to ogg mapping. Also removes the seektable */ + expected_metadata_sequence_[num_expected_++] = &streaminfo_; + expected_metadata_sequence_[num_expected_++] = &vorbiscomment_; + expected_metadata_sequence_[num_expected_++] = &padding_; + expected_metadata_sequence_[num_expected_++] = &application1_; + expected_metadata_sequence_[num_expected_++] = &application2_; + expected_metadata_sequence_[num_expected_++] = &cuesheet_; + expected_metadata_sequence_[num_expected_++] = &picture_; + expected_metadata_sequence_[num_expected_++] = &unknown_; + } + else { + expected_metadata_sequence_[num_expected_++] = &streaminfo_; + expected_metadata_sequence_[num_expected_++] = &padding_; + expected_metadata_sequence_[num_expected_++] = &seektable_; + expected_metadata_sequence_[num_expected_++] = &application1_; + expected_metadata_sequence_[num_expected_++] = &application2_; + expected_metadata_sequence_[num_expected_++] = &vorbiscomment_; + expected_metadata_sequence_[num_expected_++] = &cuesheet_; + expected_metadata_sequence_[num_expected_++] = &picture_; + expected_metadata_sequence_[num_expected_++] = &unknown_; + } + + if(!stream_decoder_test_respond_(decoder, &decoder_client_data, is_ogg)) + return false; + + /* + * ignore all + */ + + printf("testing FLAC__stream_decoder_set_metadata_ignore_all()... "); + if(!FLAC__stream_decoder_set_metadata_ignore_all(decoder)) + return die_s_("returned false", decoder); + printf("OK\n"); + + num_expected_ = 0; + + if(!stream_decoder_test_respond_(decoder, &decoder_client_data, is_ogg)) + return false; + + /* + * respond all, ignore VORBIS_COMMENT + */ + + printf("testing FLAC__stream_decoder_set_metadata_respond_all()... "); + if(!FLAC__stream_decoder_set_metadata_respond_all(decoder)) + return die_s_("returned false", decoder); + printf("OK\n"); + + printf("testing FLAC__stream_decoder_set_metadata_ignore(VORBIS_COMMENT)... "); + if(!FLAC__stream_decoder_set_metadata_ignore(decoder, FLAC__METADATA_TYPE_VORBIS_COMMENT)) + return die_s_("returned false", decoder); + printf("OK\n"); + + num_expected_ = 0; + expected_metadata_sequence_[num_expected_++] = &streaminfo_; + expected_metadata_sequence_[num_expected_++] = &padding_; + if(!is_ogg) /* encoder removes seektable for ogg */ + expected_metadata_sequence_[num_expected_++] = &seektable_; + expected_metadata_sequence_[num_expected_++] = &application1_; + expected_metadata_sequence_[num_expected_++] = &application2_; + expected_metadata_sequence_[num_expected_++] = &cuesheet_; + expected_metadata_sequence_[num_expected_++] = &picture_; + expected_metadata_sequence_[num_expected_++] = &unknown_; + + if(!stream_decoder_test_respond_(decoder, &decoder_client_data, is_ogg)) + return false; + + /* + * respond all, ignore APPLICATION + */ + + printf("testing FLAC__stream_decoder_set_metadata_respond_all()... "); + if(!FLAC__stream_decoder_set_metadata_respond_all(decoder)) + return die_s_("returned false", decoder); + printf("OK\n"); + + printf("testing FLAC__stream_decoder_set_metadata_ignore(APPLICATION)... "); + if(!FLAC__stream_decoder_set_metadata_ignore(decoder, FLAC__METADATA_TYPE_APPLICATION)) + return die_s_("returned false", decoder); + printf("OK\n"); + + num_expected_ = 0; + if(is_ogg) { /* encoder moves vorbis comment after streaminfo according to ogg mapping. Also removes the seektable */ + expected_metadata_sequence_[num_expected_++] = &streaminfo_; + expected_metadata_sequence_[num_expected_++] = &vorbiscomment_; + expected_metadata_sequence_[num_expected_++] = &padding_; + expected_metadata_sequence_[num_expected_++] = &cuesheet_; + expected_metadata_sequence_[num_expected_++] = &picture_; + expected_metadata_sequence_[num_expected_++] = &unknown_; + } + else { + expected_metadata_sequence_[num_expected_++] = &streaminfo_; + expected_metadata_sequence_[num_expected_++] = &padding_; + expected_metadata_sequence_[num_expected_++] = &seektable_; + expected_metadata_sequence_[num_expected_++] = &vorbiscomment_; + expected_metadata_sequence_[num_expected_++] = &cuesheet_; + expected_metadata_sequence_[num_expected_++] = &picture_; + expected_metadata_sequence_[num_expected_++] = &unknown_; + } + + if(!stream_decoder_test_respond_(decoder, &decoder_client_data, is_ogg)) + return false; + + /* + * respond all, ignore APPLICATION id of app#1 + */ + + printf("testing FLAC__stream_decoder_set_metadata_respond_all()... "); + if(!FLAC__stream_decoder_set_metadata_respond_all(decoder)) + return die_s_("returned false", decoder); + printf("OK\n"); + + printf("testing FLAC__stream_decoder_set_metadata_ignore_application(of app block #1)... "); + if(!FLAC__stream_decoder_set_metadata_ignore_application(decoder, application1_.data.application.id)) + return die_s_("returned false", decoder); + printf("OK\n"); + + num_expected_ = 0; + if(is_ogg) { /* encoder moves vorbis comment after streaminfo according to ogg mapping. Also removes the seektable */ + expected_metadata_sequence_[num_expected_++] = &streaminfo_; + expected_metadata_sequence_[num_expected_++] = &vorbiscomment_; + expected_metadata_sequence_[num_expected_++] = &padding_; + expected_metadata_sequence_[num_expected_++] = &application2_; + expected_metadata_sequence_[num_expected_++] = &cuesheet_; + expected_metadata_sequence_[num_expected_++] = &picture_; + expected_metadata_sequence_[num_expected_++] = &unknown_; + } + else { + expected_metadata_sequence_[num_expected_++] = &streaminfo_; + expected_metadata_sequence_[num_expected_++] = &padding_; + expected_metadata_sequence_[num_expected_++] = &seektable_; + expected_metadata_sequence_[num_expected_++] = &application2_; + expected_metadata_sequence_[num_expected_++] = &vorbiscomment_; + expected_metadata_sequence_[num_expected_++] = &cuesheet_; + expected_metadata_sequence_[num_expected_++] = &picture_; + expected_metadata_sequence_[num_expected_++] = &unknown_; + } + + if(!stream_decoder_test_respond_(decoder, &decoder_client_data, is_ogg)) + return false; + + /* + * respond all, ignore APPLICATION id of app#1 & app#2 + */ + + printf("testing FLAC__stream_decoder_set_metadata_respond_all()... "); + if(!FLAC__stream_decoder_set_metadata_respond_all(decoder)) + return die_s_("returned false", decoder); + printf("OK\n"); + + printf("testing FLAC__stream_decoder_set_metadata_ignore_application(of app block #1)... "); + if(!FLAC__stream_decoder_set_metadata_ignore_application(decoder, application1_.data.application.id)) + return die_s_("returned false", decoder); + printf("OK\n"); + + printf("testing FLAC__stream_decoder_set_metadata_ignore_application(of app block #2)... "); + if(!FLAC__stream_decoder_set_metadata_ignore_application(decoder, application2_.data.application.id)) + return die_s_("returned false", decoder); + printf("OK\n"); + + num_expected_ = 0; + if(is_ogg) { /* encoder moves vorbis comment after streaminfo according to ogg mapping. Also removes the seektable */ + expected_metadata_sequence_[num_expected_++] = &streaminfo_; + expected_metadata_sequence_[num_expected_++] = &vorbiscomment_; + expected_metadata_sequence_[num_expected_++] = &padding_; + expected_metadata_sequence_[num_expected_++] = &cuesheet_; + expected_metadata_sequence_[num_expected_++] = &picture_; + expected_metadata_sequence_[num_expected_++] = &unknown_; + } + else { + expected_metadata_sequence_[num_expected_++] = &streaminfo_; + expected_metadata_sequence_[num_expected_++] = &padding_; + expected_metadata_sequence_[num_expected_++] = &seektable_; + expected_metadata_sequence_[num_expected_++] = &vorbiscomment_; + expected_metadata_sequence_[num_expected_++] = &cuesheet_; + expected_metadata_sequence_[num_expected_++] = &picture_; + expected_metadata_sequence_[num_expected_++] = &unknown_; + } + + if(!stream_decoder_test_respond_(decoder, &decoder_client_data, is_ogg)) + return false; + + /* + * ignore all, respond VORBIS_COMMENT + */ + + printf("testing FLAC__stream_decoder_set_metadata_ignore_all()... "); + if(!FLAC__stream_decoder_set_metadata_ignore_all(decoder)) + return die_s_("returned false", decoder); + printf("OK\n"); + + printf("testing FLAC__stream_decoder_set_metadata_respond(VORBIS_COMMENT)... "); + if(!FLAC__stream_decoder_set_metadata_respond(decoder, FLAC__METADATA_TYPE_VORBIS_COMMENT)) + return die_s_("returned false", decoder); + printf("OK\n"); + + num_expected_ = 0; + expected_metadata_sequence_[num_expected_++] = &vorbiscomment_; + + if(!stream_decoder_test_respond_(decoder, &decoder_client_data, is_ogg)) + return false; + + /* + * ignore all, respond APPLICATION + */ + + printf("testing FLAC__stream_decoder_set_metadata_ignore_all()... "); + if(!FLAC__stream_decoder_set_metadata_ignore_all(decoder)) + return die_s_("returned false", decoder); + printf("OK\n"); + + printf("testing FLAC__stream_decoder_set_metadata_respond(APPLICATION)... "); + if(!FLAC__stream_decoder_set_metadata_respond(decoder, FLAC__METADATA_TYPE_APPLICATION)) + return die_s_("returned false", decoder); + printf("OK\n"); + + num_expected_ = 0; + expected_metadata_sequence_[num_expected_++] = &application1_; + expected_metadata_sequence_[num_expected_++] = &application2_; + + if(!stream_decoder_test_respond_(decoder, &decoder_client_data, is_ogg)) + return false; + + /* + * ignore all, respond APPLICATION id of app#1 + */ + + printf("testing FLAC__stream_decoder_set_metadata_ignore_all()... "); + if(!FLAC__stream_decoder_set_metadata_ignore_all(decoder)) + return die_s_("returned false", decoder); + printf("OK\n"); + + printf("testing FLAC__stream_decoder_set_metadata_respond_application(of app block #1)... "); + if(!FLAC__stream_decoder_set_metadata_respond_application(decoder, application1_.data.application.id)) + return die_s_("returned false", decoder); + printf("OK\n"); + + num_expected_ = 0; + expected_metadata_sequence_[num_expected_++] = &application1_; + + if(!stream_decoder_test_respond_(decoder, &decoder_client_data, is_ogg)) + return false; + + /* + * ignore all, respond APPLICATION id of app#1 & app#2 + */ + + printf("testing FLAC__stream_decoder_set_metadata_ignore_all()... "); + if(!FLAC__stream_decoder_set_metadata_ignore_all(decoder)) + return die_s_("returned false", decoder); + printf("OK\n"); + + printf("testing FLAC__stream_decoder_set_metadata_respond_application(of app block #1)... "); + if(!FLAC__stream_decoder_set_metadata_respond_application(decoder, application1_.data.application.id)) + return die_s_("returned false", decoder); + printf("OK\n"); + + printf("testing FLAC__stream_decoder_set_metadata_respond_application(of app block #2)... "); + if(!FLAC__stream_decoder_set_metadata_respond_application(decoder, application2_.data.application.id)) + return die_s_("returned false", decoder); + printf("OK\n"); + + num_expected_ = 0; + expected_metadata_sequence_[num_expected_++] = &application1_; + expected_metadata_sequence_[num_expected_++] = &application2_; + + if(!stream_decoder_test_respond_(decoder, &decoder_client_data, is_ogg)) + return false; + + /* + * respond all, ignore APPLICATION, respond APPLICATION id of app#1 + */ + + printf("testing FLAC__stream_decoder_set_metadata_respond_all()... "); + if(!FLAC__stream_decoder_set_metadata_respond_all(decoder)) + return die_s_("returned false", decoder); + printf("OK\n"); + + printf("testing FLAC__stream_decoder_set_metadata_ignore(APPLICATION)... "); + if(!FLAC__stream_decoder_set_metadata_ignore(decoder, FLAC__METADATA_TYPE_APPLICATION)) + return die_s_("returned false", decoder); + printf("OK\n"); + + printf("testing FLAC__stream_decoder_set_metadata_respond_application(of app block #1)... "); + if(!FLAC__stream_decoder_set_metadata_respond_application(decoder, application1_.data.application.id)) + return die_s_("returned false", decoder); + printf("OK\n"); + + num_expected_ = 0; + if(is_ogg) { /* encoder moves vorbis comment after streaminfo according to ogg mapping. Also removes the seektable */ + expected_metadata_sequence_[num_expected_++] = &streaminfo_; + expected_metadata_sequence_[num_expected_++] = &vorbiscomment_; + expected_metadata_sequence_[num_expected_++] = &padding_; + expected_metadata_sequence_[num_expected_++] = &application1_; + expected_metadata_sequence_[num_expected_++] = &cuesheet_; + expected_metadata_sequence_[num_expected_++] = &picture_; + expected_metadata_sequence_[num_expected_++] = &unknown_; + } + else { + expected_metadata_sequence_[num_expected_++] = &streaminfo_; + expected_metadata_sequence_[num_expected_++] = &padding_; + expected_metadata_sequence_[num_expected_++] = &seektable_; + expected_metadata_sequence_[num_expected_++] = &application1_; + expected_metadata_sequence_[num_expected_++] = &vorbiscomment_; + expected_metadata_sequence_[num_expected_++] = &cuesheet_; + expected_metadata_sequence_[num_expected_++] = &picture_; + expected_metadata_sequence_[num_expected_++] = &unknown_; + } + + if(!stream_decoder_test_respond_(decoder, &decoder_client_data, is_ogg)) + return false; + + /* + * ignore all, respond APPLICATION, ignore APPLICATION id of app#1 + */ + + printf("testing FLAC__stream_decoder_set_metadata_ignore_all()... "); + if(!FLAC__stream_decoder_set_metadata_ignore_all(decoder)) + return die_s_("returned false", decoder); + printf("OK\n"); + + printf("testing FLAC__stream_decoder_set_metadata_respond(APPLICATION)... "); + if(!FLAC__stream_decoder_set_metadata_respond(decoder, FLAC__METADATA_TYPE_APPLICATION)) + return die_s_("returned false", decoder); + printf("OK\n"); + + printf("testing FLAC__stream_decoder_set_metadata_ignore_application(of app block #1)... "); + if(!FLAC__stream_decoder_set_metadata_ignore_application(decoder, application1_.data.application.id)) + return die_s_("returned false", decoder); + printf("OK\n"); + + num_expected_ = 0; + expected_metadata_sequence_[num_expected_++] = &application2_; + + if(!stream_decoder_test_respond_(decoder, &decoder_client_data, is_ogg)) + return false; + + if(layer < LAYER_FILE) /* for LAYER_FILE, FLAC__stream_decoder_finish() closes the file */ + fclose(decoder_client_data.file); + + printf("testing FLAC__stream_decoder_delete()... "); + FLAC__stream_decoder_delete(decoder); + printf("OK\n"); + + printf("\nPASSED!\n"); + + return true; +} + +FLAC__bool test_decoders(void) +{ + FLAC__bool is_ogg = false; + + while(1) { + init_metadata_blocks_(); + + if(!generate_file_(is_ogg)) + return false; + + if(!test_stream_decoder(LAYER_STREAM, is_ogg)) + return false; + + if(!test_stream_decoder(LAYER_SEEKABLE_STREAM, is_ogg)) + return false; + + if(!test_stream_decoder(LAYER_FILE, is_ogg)) + return false; + + if(!test_stream_decoder(LAYER_FILENAME, is_ogg)) + return false; + + (void) grabbag__file_remove_file(flacfilename(is_ogg)); + + free_metadata_blocks_(); + + if(!FLAC_API_SUPPORTS_OGG_FLAC || is_ogg) + break; + is_ogg = true; + } + + return true; +} diff --git a/src/test_libFLAC/decoders.h b/src/test_libFLAC/decoders.h new file mode 100644 index 0000000..431eb17 --- /dev/null +++ b/src/test_libFLAC/decoders.h @@ -0,0 +1,27 @@ +/* test_libFLAC - Unit tester for libFLAC + * Copyright (C) 2002-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifndef FLAC__TEST_LIBFLAC_DECODERS_H +#define FLAC__TEST_LIBFLAC_DECODERS_H + +#include "FLAC/ordinals.h" + +FLAC__bool test_decoders(void); + +#endif diff --git a/src/test_libFLAC/encoders.c b/src/test_libFLAC/encoders.c new file mode 100644 index 0000000..d3fd39d --- /dev/null +++ b/src/test_libFLAC/encoders.c @@ -0,0 +1,530 @@ +/* test_libFLAC - Unit tester for libFLAC + * Copyright (C) 2002-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include <errno.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include "encoders.h" +#include "FLAC/assert.h" +#include "FLAC/stream_encoder.h" +#include "share/grabbag.h" +#include "share/compat.h" +#include "test_libs_common/file_utils_flac.h" +#include "test_libs_common/metadata_utils.h" + +typedef enum { + LAYER_STREAM = 0, /* FLAC__stream_encoder_init_[ogg_]stream() without seeking */ + LAYER_SEEKABLE_STREAM, /* FLAC__stream_encoder_init_[ogg_]stream() with seeking */ + LAYER_FILE, /* FLAC__stream_encoder_init_[ogg_]FILE() */ + LAYER_FILENAME /* FLAC__stream_encoder_init_[ogg_]file() */ +} Layer; + +static const char * const LayerString[] = { + "Stream", + "Seekable Stream", + "FILE*", + "Filename" +}; + +static FLAC__StreamMetadata streaminfo_, padding_, seektable_, application1_, application2_, vorbiscomment_, cuesheet_, picture_, unknown_; +static FLAC__StreamMetadata *metadata_sequence_[] = { &vorbiscomment_, &padding_, &seektable_, &application1_, &application2_, &cuesheet_, &picture_, &unknown_ }; +static const uint32_t num_metadata_ = sizeof(metadata_sequence_) / sizeof(metadata_sequence_[0]); + +static const char *flacfilename(FLAC__bool is_ogg) +{ + return is_ogg? "metadata.oga" : "metadata.flac"; +} + +static FLAC__bool die_(const char *msg) +{ + printf("ERROR: %s\n", msg); + return false; +} + +static FLAC__bool die_s_(const char *msg, const FLAC__StreamEncoder *encoder) +{ + FLAC__StreamEncoderState state = FLAC__stream_encoder_get_state(encoder); + + if(msg) + printf("FAILED, %s", msg); + else + printf("FAILED"); + + printf(", state = %u (%s)\n", (uint32_t)state, FLAC__StreamEncoderStateString[state]); + if(state == FLAC__STREAM_ENCODER_VERIFY_DECODER_ERROR) { + FLAC__StreamDecoderState dstate = FLAC__stream_encoder_get_verify_decoder_state(encoder); + printf(" verify decoder state = %u (%s)\n", (uint32_t)dstate, FLAC__StreamDecoderStateString[dstate]); + } + + return false; +} + +static void init_metadata_blocks_(void) +{ + mutils__init_metadata_blocks(&streaminfo_, &padding_, &seektable_, &application1_, &application2_, &vorbiscomment_, &cuesheet_, &picture_, &unknown_); +} + +static void free_metadata_blocks_(void) +{ + mutils__free_metadata_blocks(&streaminfo_, &padding_, &seektable_, &application1_, &application2_, &vorbiscomment_, &cuesheet_, &picture_, &unknown_); +} + +static FLAC__StreamEncoderReadStatus stream_encoder_read_callback_(const FLAC__StreamEncoder *encoder, FLAC__byte buffer[], size_t *bytes, void *client_data) +{ + FILE *f = (FILE*)client_data; + (void)encoder; + if(*bytes > 0) { + *bytes = fread(buffer, sizeof(FLAC__byte), *bytes, f); + if(ferror(f)) + return FLAC__STREAM_ENCODER_READ_STATUS_ABORT; + else if(*bytes == 0) + return FLAC__STREAM_ENCODER_READ_STATUS_END_OF_STREAM; + else + return FLAC__STREAM_ENCODER_READ_STATUS_CONTINUE; + } + else + return FLAC__STREAM_ENCODER_READ_STATUS_ABORT; +} + +static FLAC__StreamEncoderWriteStatus stream_encoder_write_callback_(const FLAC__StreamEncoder *encoder, const FLAC__byte buffer[], size_t bytes, uint32_t samples, uint32_t current_frame, void *client_data) +{ + FILE *f = (FILE*)client_data; + (void)encoder, (void)samples, (void)current_frame; + if(fwrite(buffer, 1, bytes, f) != bytes) + return FLAC__STREAM_ENCODER_WRITE_STATUS_FATAL_ERROR; + else + return FLAC__STREAM_ENCODER_WRITE_STATUS_OK; +} + +static FLAC__StreamEncoderSeekStatus stream_encoder_seek_callback_(const FLAC__StreamEncoder *encoder, FLAC__uint64 absolute_byte_offset, void *client_data) +{ + FILE *f = (FILE*)client_data; + (void)encoder; + if(fseeko(f, (long)absolute_byte_offset, SEEK_SET) < 0) + return FLAC__STREAM_ENCODER_SEEK_STATUS_ERROR; + else + return FLAC__STREAM_ENCODER_SEEK_STATUS_OK; +} + +static FLAC__StreamEncoderTellStatus stream_encoder_tell_callback_(const FLAC__StreamEncoder *encoder, FLAC__uint64 *absolute_byte_offset, void *client_data) +{ + FILE *f = (FILE*)client_data; + FLAC__off_t pos; + (void)encoder; + if((pos = ftello(f)) < 0) + return FLAC__STREAM_ENCODER_TELL_STATUS_ERROR; + else { + *absolute_byte_offset = (FLAC__uint64)pos; + return FLAC__STREAM_ENCODER_TELL_STATUS_OK; + } +} + +static void stream_encoder_metadata_callback_(const FLAC__StreamEncoder *encoder, const FLAC__StreamMetadata *metadata, void *client_data) +{ + (void)encoder, (void)metadata, (void)client_data; +} + +static void stream_encoder_progress_callback_(const FLAC__StreamEncoder *encoder, FLAC__uint64 bytes_written, FLAC__uint64 samples_written, uint32_t frames_written, uint32_t total_frames_estimate, void *client_data) +{ + (void)encoder, (void)bytes_written, (void)samples_written, (void)frames_written, (void)total_frames_estimate, (void)client_data; +} + +static FLAC__bool test_stream_encoder(Layer layer, FLAC__bool is_ogg) +{ + FLAC__StreamEncoder *encoder; + FLAC__StreamEncoderInitStatus init_status; + FLAC__StreamEncoderState state; + FLAC__StreamDecoderState dstate; + FILE *file = 0; + FLAC__int32 samples[1024]; + FLAC__int32 *samples_array[1]; + uint32_t i; + + samples_array[0] = samples; + + printf("\n+++ libFLAC unit test: FLAC__StreamEncoder (layer: %s, format: %s)\n\n", LayerString[layer], is_ogg? "Ogg FLAC":"FLAC"); + + printf("testing FLAC__stream_encoder_new()... "); + encoder = FLAC__stream_encoder_new(); + if(0 == encoder) { + printf("FAILED, returned NULL\n"); + return false; + } + printf("OK\n"); + + if(is_ogg) { + printf("testing FLAC__stream_encoder_set_ogg_serial_number()... "); + if(!FLAC__stream_encoder_set_ogg_serial_number(encoder, file_utils__ogg_serial_number)) + return die_s_("returned false", encoder); + printf("OK\n"); + } + + printf("testing FLAC__stream_encoder_set_verify()... "); + if(!FLAC__stream_encoder_set_verify(encoder, true)) + return die_s_("returned false", encoder); + printf("OK\n"); + + printf("testing FLAC__stream_encoder_set_streamable_subset()... "); + if(!FLAC__stream_encoder_set_streamable_subset(encoder, true)) + return die_s_("returned false", encoder); + printf("OK\n"); + + printf("testing FLAC__stream_encoder_set_channels()... "); + if(!FLAC__stream_encoder_set_channels(encoder, streaminfo_.data.stream_info.channels)) + return die_s_("returned false", encoder); + printf("OK\n"); + + printf("testing FLAC__stream_encoder_set_bits_per_sample()... "); + if(!FLAC__stream_encoder_set_bits_per_sample(encoder, streaminfo_.data.stream_info.bits_per_sample)) + return die_s_("returned false", encoder); + printf("OK\n"); + + printf("testing FLAC__stream_encoder_set_sample_rate()... "); + if(!FLAC__stream_encoder_set_sample_rate(encoder, streaminfo_.data.stream_info.sample_rate)) + return die_s_("returned false", encoder); + printf("OK\n"); + + printf("testing FLAC__stream_encoder_set_compression_level()... "); + if(!FLAC__stream_encoder_set_compression_level(encoder, (uint32_t)(-1))) + return die_s_("returned false", encoder); + printf("OK\n"); + + printf("testing FLAC__stream_encoder_set_blocksize()... "); + if(!FLAC__stream_encoder_set_blocksize(encoder, streaminfo_.data.stream_info.min_blocksize)) + return die_s_("returned false", encoder); + printf("OK\n"); + + printf("testing FLAC__stream_encoder_set_do_mid_side_stereo()... "); + if(!FLAC__stream_encoder_set_do_mid_side_stereo(encoder, false)) + return die_s_("returned false", encoder); + printf("OK\n"); + + printf("testing FLAC__stream_encoder_set_loose_mid_side_stereo()... "); + if(!FLAC__stream_encoder_set_loose_mid_side_stereo(encoder, false)) + return die_s_("returned false", encoder); + printf("OK\n"); + + printf("testing FLAC__stream_encoder_set_max_lpc_order()... "); + if(!FLAC__stream_encoder_set_max_lpc_order(encoder, 0)) + return die_s_("returned false", encoder); + printf("OK\n"); + + printf("testing FLAC__stream_encoder_set_qlp_coeff_precision()... "); + if(!FLAC__stream_encoder_set_qlp_coeff_precision(encoder, 0)) + return die_s_("returned false", encoder); + printf("OK\n"); + + printf("testing FLAC__stream_encoder_set_do_qlp_coeff_prec_search()... "); + if(!FLAC__stream_encoder_set_do_qlp_coeff_prec_search(encoder, false)) + return die_s_("returned false", encoder); + printf("OK\n"); + + printf("testing FLAC__stream_encoder_set_do_escape_coding()... "); + if(!FLAC__stream_encoder_set_do_escape_coding(encoder, false)) + return die_s_("returned false", encoder); + printf("OK\n"); + + printf("testing FLAC__stream_encoder_set_do_exhaustive_model_search()... "); + if(!FLAC__stream_encoder_set_do_exhaustive_model_search(encoder, false)) + return die_s_("returned false", encoder); + printf("OK\n"); + + printf("testing FLAC__stream_encoder_set_min_residual_partition_order()... "); + if(!FLAC__stream_encoder_set_min_residual_partition_order(encoder, 0)) + return die_s_("returned false", encoder); + printf("OK\n"); + + printf("testing FLAC__stream_encoder_set_max_residual_partition_order()... "); + if(!FLAC__stream_encoder_set_max_residual_partition_order(encoder, 0)) + return die_s_("returned false", encoder); + printf("OK\n"); + + printf("testing FLAC__stream_encoder_set_rice_parameter_search_dist()... "); + if(!FLAC__stream_encoder_set_rice_parameter_search_dist(encoder, 0)) + return die_s_("returned false", encoder); + printf("OK\n"); + + printf("testing FLAC__stream_encoder_set_total_samples_estimate()... "); + if(!FLAC__stream_encoder_set_total_samples_estimate(encoder, streaminfo_.data.stream_info.total_samples)) + return die_s_("returned false", encoder); + printf("OK\n"); + + printf("testing FLAC__stream_encoder_set_metadata()... "); + if(!FLAC__stream_encoder_set_metadata(encoder, metadata_sequence_, num_metadata_)) + return die_s_("returned false", encoder); + printf("OK\n"); + + printf("testing FLAC__stream_encoder_set_limit_min_bitrate()... "); + if(!FLAC__stream_encoder_set_limit_min_bitrate(encoder, true)) + return die_s_("returned false", encoder); + printf("OK\n"); + + if(layer < LAYER_FILENAME) { + printf("opening file for FLAC output... "); + file = flac_fopen(flacfilename(is_ogg), "w+b"); + if(0 == file) { + printf("ERROR (%s)\n", strerror(errno)); + return false; + } + printf("OK\n"); + } + + switch(layer) { + case LAYER_STREAM: + printf("testing FLAC__stream_encoder_init_%sstream()... ", is_ogg? "ogg_":""); + init_status = is_ogg? + FLAC__stream_encoder_init_ogg_stream(encoder, /*read_callback=*/0, stream_encoder_write_callback_, /*seek_callback=*/0, /*tell_callback=*/0, stream_encoder_metadata_callback_, /*client_data=*/file) : + FLAC__stream_encoder_init_stream(encoder, stream_encoder_write_callback_, /*seek_callback=*/0, /*tell_callback=*/0, stream_encoder_metadata_callback_, /*client_data=*/file); + break; + case LAYER_SEEKABLE_STREAM: + printf("testing FLAC__stream_encoder_init_%sstream()... ", is_ogg? "ogg_":""); + init_status = is_ogg? + FLAC__stream_encoder_init_ogg_stream(encoder, stream_encoder_read_callback_, stream_encoder_write_callback_, stream_encoder_seek_callback_, stream_encoder_tell_callback_, /*metadata_callback=*/0, /*client_data=*/file) : + FLAC__stream_encoder_init_stream(encoder, stream_encoder_write_callback_, stream_encoder_seek_callback_, stream_encoder_tell_callback_, /*metadata_callback=*/0, /*client_data=*/file); + break; + case LAYER_FILE: + printf("testing FLAC__stream_encoder_init_%sFILE()... ", is_ogg? "ogg_":""); + init_status = is_ogg? + FLAC__stream_encoder_init_ogg_FILE(encoder, file, stream_encoder_progress_callback_, /*client_data=*/0) : + FLAC__stream_encoder_init_FILE(encoder, file, stream_encoder_progress_callback_, /*client_data=*/0); + break; + case LAYER_FILENAME: + printf("testing FLAC__stream_encoder_init_%sfile()... ", is_ogg? "ogg_":""); + init_status = is_ogg? + FLAC__stream_encoder_init_ogg_file(encoder, flacfilename(is_ogg), stream_encoder_progress_callback_, /*client_data=*/0) : + FLAC__stream_encoder_init_file(encoder, flacfilename(is_ogg), stream_encoder_progress_callback_, /*client_data=*/0); + break; + default: + die_("internal error 001"); + return false; + } + if(init_status != FLAC__STREAM_ENCODER_INIT_STATUS_OK) + return die_s_(0, encoder); + printf("OK\n"); + + printf("testing FLAC__stream_encoder_get_state()... "); + state = FLAC__stream_encoder_get_state(encoder); + printf("returned state = %u (%s)... OK\n", (uint32_t)state, FLAC__StreamEncoderStateString[state]); + + printf("testing FLAC__stream_encoder_get_verify_decoder_state()... "); + dstate = FLAC__stream_encoder_get_verify_decoder_state(encoder); + printf("returned state = %u (%s)... OK\n", (uint32_t)dstate, FLAC__StreamDecoderStateString[dstate]); + + { + FLAC__uint64 absolute_sample; + uint32_t frame_number; + uint32_t channel; + uint32_t sample; + FLAC__int32 expected; + FLAC__int32 got; + + printf("testing FLAC__stream_encoder_get_verify_decoder_error_stats()... "); + FLAC__stream_encoder_get_verify_decoder_error_stats(encoder, &absolute_sample, &frame_number, &channel, &sample, &expected, &got); + printf("OK\n"); + } + + printf("testing FLAC__stream_encoder_get_verify()... "); + if(FLAC__stream_encoder_get_verify(encoder) != true) { + printf("FAILED, expected true, got false\n"); + return false; + } + printf("OK\n"); + + printf("testing FLAC__stream_encoder_get_streamable_subset()... "); + if(FLAC__stream_encoder_get_streamable_subset(encoder) != true) { + printf("FAILED, expected true, got false\n"); + return false; + } + printf("OK\n"); + + printf("testing FLAC__stream_encoder_get_do_mid_side_stereo()... "); + if(FLAC__stream_encoder_get_do_mid_side_stereo(encoder) != false) { + printf("FAILED, expected false, got true\n"); + return false; + } + printf("OK\n"); + + printf("testing FLAC__stream_encoder_get_loose_mid_side_stereo()... "); + if(FLAC__stream_encoder_get_loose_mid_side_stereo(encoder) != false) { + printf("FAILED, expected false, got true\n"); + return false; + } + printf("OK\n"); + + printf("testing FLAC__stream_encoder_get_channels()... "); + if(FLAC__stream_encoder_get_channels(encoder) != streaminfo_.data.stream_info.channels) { + printf("FAILED, expected %u, got %u\n", streaminfo_.data.stream_info.channels, FLAC__stream_encoder_get_channels(encoder)); + return false; + } + printf("OK\n"); + + printf("testing FLAC__stream_encoder_get_bits_per_sample()... "); + if(FLAC__stream_encoder_get_bits_per_sample(encoder) != streaminfo_.data.stream_info.bits_per_sample) { + printf("FAILED, expected %u, got %u\n", streaminfo_.data.stream_info.bits_per_sample, FLAC__stream_encoder_get_bits_per_sample(encoder)); + return false; + } + printf("OK\n"); + + printf("testing FLAC__stream_encoder_get_sample_rate()... "); + if(FLAC__stream_encoder_get_sample_rate(encoder) != streaminfo_.data.stream_info.sample_rate) { + printf("FAILED, expected %u, got %u\n", streaminfo_.data.stream_info.sample_rate, FLAC__stream_encoder_get_sample_rate(encoder)); + return false; + } + printf("OK\n"); + + printf("testing FLAC__stream_encoder_get_blocksize()... "); + if(FLAC__stream_encoder_get_blocksize(encoder) != streaminfo_.data.stream_info.min_blocksize) { + printf("FAILED, expected %u, got %u\n", streaminfo_.data.stream_info.min_blocksize, FLAC__stream_encoder_get_blocksize(encoder)); + return false; + } + printf("OK\n"); + + printf("testing FLAC__stream_encoder_get_max_lpc_order()... "); + if(FLAC__stream_encoder_get_max_lpc_order(encoder) != 0) { + printf("FAILED, expected %d, got %u\n", 0, FLAC__stream_encoder_get_max_lpc_order(encoder)); + return false; + } + printf("OK\n"); + + printf("testing FLAC__stream_encoder_get_qlp_coeff_precision()... "); + (void)FLAC__stream_encoder_get_qlp_coeff_precision(encoder); + /* we asked the encoder to auto select this so we accept anything */ + printf("OK\n"); + + printf("testing FLAC__stream_encoder_get_do_qlp_coeff_prec_search()... "); + if(FLAC__stream_encoder_get_do_qlp_coeff_prec_search(encoder) != false) { + printf("FAILED, expected false, got true\n"); + return false; + } + printf("OK\n"); + + printf("testing FLAC__stream_encoder_get_do_escape_coding()... "); + if(FLAC__stream_encoder_get_do_escape_coding(encoder) != false) { + printf("FAILED, expected false, got true\n"); + return false; + } + printf("OK\n"); + + printf("testing FLAC__stream_encoder_get_do_exhaustive_model_search()... "); + if(FLAC__stream_encoder_get_do_exhaustive_model_search(encoder) != false) { + printf("FAILED, expected false, got true\n"); + return false; + } + printf("OK\n"); + + printf("testing FLAC__stream_encoder_get_min_residual_partition_order()... "); + if(FLAC__stream_encoder_get_min_residual_partition_order(encoder) != 0) { + printf("FAILED, expected %d, got %u\n", 0, FLAC__stream_encoder_get_min_residual_partition_order(encoder)); + return false; + } + printf("OK\n"); + + printf("testing FLAC__stream_encoder_get_max_residual_partition_order()... "); + if(FLAC__stream_encoder_get_max_residual_partition_order(encoder) != 0) { + printf("FAILED, expected %d, got %u\n", 0, FLAC__stream_encoder_get_max_residual_partition_order(encoder)); + return false; + } + printf("OK\n"); + + printf("testing FLAC__stream_encoder_get_rice_parameter_search_dist()... "); + if(FLAC__stream_encoder_get_rice_parameter_search_dist(encoder) != 0) { + printf("FAILED, expected %d, got %u\n", 0, FLAC__stream_encoder_get_rice_parameter_search_dist(encoder)); + return false; + } + printf("OK\n"); + + printf("testing FLAC__stream_encoder_get_total_samples_estimate()... "); + if(FLAC__stream_encoder_get_total_samples_estimate(encoder) != streaminfo_.data.stream_info.total_samples) { + printf("FAILED, expected %" PRIu64 ", got %" PRIu64 "\n", streaminfo_.data.stream_info.total_samples, FLAC__stream_encoder_get_total_samples_estimate(encoder)); + return false; + } + printf("OK\n"); + + printf("testing FLAC__stream_encoder_get_limit_min_bitrate()... "); + if(FLAC__stream_encoder_get_limit_min_bitrate(encoder) != true) { + printf("FAILED, expected true, got false\n"); + return false; + } + + /* init the dummy sample buffer */ + for(i = 0; i < sizeof(samples) / sizeof(FLAC__int32); i++) + samples[i] = i & 7; + + printf("testing FLAC__stream_encoder_process()... "); + if(!FLAC__stream_encoder_process(encoder, (const FLAC__int32 * const *)samples_array, sizeof(samples) / sizeof(FLAC__int32))) + return die_s_("returned false", encoder); + printf("OK\n"); + + printf("testing FLAC__stream_encoder_process_interleaved()... "); + if(!FLAC__stream_encoder_process_interleaved(encoder, samples, sizeof(samples) / sizeof(FLAC__int32))) + return die_s_("returned false", encoder); + printf("OK\n"); + + printf("testing FLAC__stream_encoder_finish()... "); + if(!FLAC__stream_encoder_finish(encoder)) + return die_s_("returned false", encoder); + printf("OK\n"); + + if(layer < LAYER_FILE) + fclose(file); + + printf("testing FLAC__stream_encoder_delete()... "); + FLAC__stream_encoder_delete(encoder); + printf("OK\n"); + + printf("\nPASSED!\n"); + + return true; +} + +FLAC__bool test_encoders(void) +{ + FLAC__bool is_ogg = false; + + while(1) { + init_metadata_blocks_(); + + if(!test_stream_encoder(LAYER_STREAM, is_ogg)) + return false; + + if(!test_stream_encoder(LAYER_SEEKABLE_STREAM, is_ogg)) + return false; + + if(!test_stream_encoder(LAYER_FILE, is_ogg)) + return false; + + if(!test_stream_encoder(LAYER_FILENAME, is_ogg)) + return false; + + (void) grabbag__file_remove_file(flacfilename(is_ogg)); + + free_metadata_blocks_(); + + if(!FLAC_API_SUPPORTS_OGG_FLAC || is_ogg) + break; + is_ogg = true; + } + + return true; +} diff --git a/src/test_libFLAC/encoders.h b/src/test_libFLAC/encoders.h new file mode 100644 index 0000000..7bdcaf5 --- /dev/null +++ b/src/test_libFLAC/encoders.h @@ -0,0 +1,27 @@ +/* test_libFLAC - Unit tester for libFLAC + * Copyright (C) 2002-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifndef FLAC__TEST_LIBFLAC_ENCODERS_H +#define FLAC__TEST_LIBFLAC_ENCODERS_H + +#include "FLAC/ordinals.h" + +FLAC__bool test_encoders(void); + +#endif diff --git a/src/test_libFLAC/endswap.c b/src/test_libFLAC/endswap.c new file mode 100644 index 0000000..808f81f --- /dev/null +++ b/src/test_libFLAC/endswap.c @@ -0,0 +1,111 @@ +/* test_libFLAC - Unit tester for libFLAC + * Copyright (C) 2014-2023 Xiph.Org Foundation + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include <stdio.h> +#include <string.h> + +#include "share/compat.h" +#include "FLAC/assert.h" +#include "share/endswap.h" +#include "private/md5.h" +#include "endswap.h" + + +FLAC__bool test_endswap(void) +{ + int16_t i16 = 0x1234; + uint16_t u16 = 0xabcd; + int32_t i32 = 0x12345678; + uint32_t u32 = 0xabcdef01; + + union { + uint8_t bytes[4]; + uint16_t u16; + uint32_t u32; + } data; + + printf("\n+++ libFLAC unit test: endswap (%s endian host)\n\n", CPU_IS_BIG_ENDIAN ? "big" : "little"); + + printf("testing ENDSWAP_16 on int16_t ... "); + if (((int16_t) ENDSWAP_16(i16)) == i16) { + printf("\nFAILED, ENDSWAP_16(0x%04x) -> 0x%04x == 0x%04x\n", i16, ENDSWAP_16(i16), i16); + return false; + } + if (((int16_t) ENDSWAP_16(ENDSWAP_16(i16))) != i16) { + printf("\nFAILED, ENDSWAP_16(ENDSWAP_16(0x%04x)) -> 0x%04x != 0x%04x\n", i16, ENDSWAP_16(ENDSWAP_16(i16)), i16); + return false; + } + puts("OK"); + + printf("testing ENDSWAP_16 on uint16_t ... "); + if (((uint16_t) ENDSWAP_16(u16)) == u16) { + printf("\nFAILED, ENDSWAP_16(0x%04x) -> 0x%04x == 0x%04x\n", u16, ENDSWAP_16(u16), u16); + return false; + } + if (((uint16_t) ENDSWAP_16(ENDSWAP_16(u16))) != u16) { + printf("\nFAILED, ENDSWAP_16(ENDSWAP_16(0x%04x)) -> 0x%04x != 0x%04x\n", u16, ENDSWAP_16(ENDSWAP_16(u16)), u16); + return false; + } + puts("OK"); + + printf("testing ENDSWAP_32 on int32_t ... "); + if (((int32_t) ENDSWAP_32 (i32)) == i32) { + printf("\nFAILED, ENDSWAP_32(0x%08x) -> 0x%08x == 0x%08x\n", i32, (uint32_t) ENDSWAP_32 (i32), i32); + return false; + } + if (((int32_t) ENDSWAP_32 (ENDSWAP_32 (i32))) != i32) { + printf("\nFAILED, ENDSWAP_32(ENDSWAP_32(0x%08x)) -> 0x%08x != 0x%08x\n", i32, (uint32_t) ENDSWAP_32(ENDSWAP_32 (i32)), i32); + return false; + } + puts("OK"); + + printf("testing ENDSWAP_32 on uint32_t ... "); + if (((uint32_t) ENDSWAP_32(u32)) == u32) { + printf("\nFAILED, ENDSWAP_32(0x%08x) -> 0x%08x == 0x%08x\n", u32, (uint32_t) ENDSWAP_32(u32), u32); + return false; + } + if (((uint32_t) ENDSWAP_32 (ENDSWAP_32(u32))) != u32) { + printf("\nFAILED, ENDSWAP_32(ENDSWAP_32(0x%08x)) -> 0x%08x != 0%08x\n", u32, (uint32_t) ENDSWAP_32(ENDSWAP_32(u32)), u32); + return false; + } + puts("OK"); + + printf("testing H2LE_16 on uint16_t ... "); + data.u16 = H2LE_16(0x1234); + if (data.bytes [0] != 0x34 || data.bytes [1] != 0x12) { + printf("\nFAILED, H2LE_16(0x%04x) -> { 0x%02x, 0x%02x }\n", data.u16, data.bytes [0] & 0xff, data.bytes [1] & 0xff); + return false; + } + puts("OK"); + + printf("testing H2LE_32 on uint32_t ... "); + data.u32 = H2LE_32(0x12345678); + if (data.bytes [0] != 0x78 || data.bytes [1] != 0x56 || data.bytes [2] != 0x34 || data.bytes [3] != 0x12) { + printf("\nFAILED, H2LE_32(0x%08x) -> { 0x%02x, 0x%02x, 0x%02x, 0x%02x }\n", + data.u32, data.bytes [0] & 0xff, data.bytes [1] & 0xff, data.bytes [2] & 0xff, data.bytes [3] & 0xff); + return false; + } + puts("OK"); + + printf("\nPASSED!\n"); + return true; +} diff --git a/src/test_libFLAC/endswap.h b/src/test_libFLAC/endswap.h new file mode 100644 index 0000000..952b17f --- /dev/null +++ b/src/test_libFLAC/endswap.h @@ -0,0 +1,26 @@ +/* test_libFLAC - Unit tester for libFLAC + * Copyright (C) 2014-2023 Xiph.Org Foundation + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifndef FLAC__TEST_LIBFLAC_ENDSWAP_H +#define FLAC__TEST_LIBFLAC_ENDSWAP_H + +#include "FLAC/ordinals.h" + +FLAC__bool test_endswap(void); + +#endif diff --git a/src/test_libFLAC/format.c b/src/test_libFLAC/format.c new file mode 100644 index 0000000..c5e8bf2 --- /dev/null +++ b/src/test_libFLAC/format.c @@ -0,0 +1,260 @@ +/* test_libFLAC - Unit tester for libFLAC + * Copyright (C) 2004-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include "FLAC/assert.h" +#include "FLAC/format.h" +#include "format.h" +#include <stdio.h> + +static const char *true_false_string_[2] = { "false", "true" }; + +static struct { + uint32_t rate; + FLAC__bool valid; + FLAC__bool subset; +} SAMPLE_RATES[] = { + { 0 , true , true }, + { 1 , true , true }, + { 9 , true , true }, + { 10 , true , true }, + { 4000 , true , true }, + { 8000 , true , true }, + { 11025 , true , true }, + { 12000 , true , true }, + { 16000 , true , true }, + { 22050 , true , true }, + { 24000 , true , true }, + { 32000 , true , true }, + { 32768 , true , true }, + { 44100 , true , true }, + { 48000 , true , true }, + { 65000 , true , true }, + { 65535 , true , true }, + { 65536 , true , false }, + { 65540 , true , true }, + { 65550 , true , true }, + { 65555 , true , false }, + { 66000 , true , true }, + { 66001 , true , false }, + { 96000 , true , true }, + { 100000 , true , true }, + { 100001 , true , false }, + { 192000 , true , true }, + { 500000 , true , true }, + { 500001 , true , false }, + { 500010 , true , true }, + { 655349 , true , false }, + { 655350 , true , true }, + { 655351 , true , false }, + { 655360 , true , false }, + { 700000 , true , false }, + { 700010 , true , false }, + { 705600 , true , false }, + { 768000 , true , false }, + { 1000000, true , false }, + { 1048575, true , false }, + { 1100000, false, false } +}; + +static struct { + const char *string; + FLAC__bool valid; +} VCENTRY_NAMES[] = { + { "" , true }, + { "a" , true }, + { "=" , false }, + { "a=" , false }, + { "\x01", false }, + { "\x1f", false }, + { "\x7d", true }, + { "\x7e", false }, + { "\xff", false } +}; + +static struct { + uint32_t length; + const FLAC__byte *string; + FLAC__bool valid; +} VCENTRY_VALUES[] = { + { 0, (const FLAC__byte*)"" , true }, + { 1, (const FLAC__byte*)"" , true }, + { 1, (const FLAC__byte*)"\x01" , true }, + { 1, (const FLAC__byte*)"\x7f" , true }, + { 1, (const FLAC__byte*)"\x80" , false }, + { 1, (const FLAC__byte*)"\x81" , false }, + { 1, (const FLAC__byte*)"\xc0" , false }, + { 1, (const FLAC__byte*)"\xe0" , false }, + { 1, (const FLAC__byte*)"\xf0" , false }, + { 2, (const FLAC__byte*)"\xc0\x41" , false }, + { 2, (const FLAC__byte*)"\xc1\x41" , false }, + { 2, (const FLAC__byte*)"\xc0\x85" , false }, /* non-shortest form */ + { 2, (const FLAC__byte*)"\xc1\x85" , false }, /* non-shortest form */ + { 2, (const FLAC__byte*)"\xc2\x85" , true }, + { 2, (const FLAC__byte*)"\xe0\x41" , false }, + { 2, (const FLAC__byte*)"\xe1\x41" , false }, + { 2, (const FLAC__byte*)"\xe0\x85" , false }, + { 2, (const FLAC__byte*)"\xe1\x85" , false }, + { 3, (const FLAC__byte*)"\xe0\x85\x41", false }, + { 3, (const FLAC__byte*)"\xe1\x85\x41", false }, + { 3, (const FLAC__byte*)"\xe0\x85\x80", false }, /* non-shortest form */ + { 3, (const FLAC__byte*)"\xe0\x95\x80", false }, /* non-shortest form */ + { 3, (const FLAC__byte*)"\xe0\xa5\x80", true }, + { 3, (const FLAC__byte*)"\xe1\x85\x80", true }, + { 3, (const FLAC__byte*)"\xe1\x95\x80", true }, + { 3, (const FLAC__byte*)"\xe1\xa5\x80", true } +}; + +static struct { + const FLAC__byte *string; + FLAC__bool valid; +} VCENTRY_VALUES_NT[] = { + { (const FLAC__byte*)"" , true }, + { (const FLAC__byte*)"\x01" , true }, + { (const FLAC__byte*)"\x7f" , true }, + { (const FLAC__byte*)"\x80" , false }, + { (const FLAC__byte*)"\x81" , false }, + { (const FLAC__byte*)"\xc0" , false }, + { (const FLAC__byte*)"\xe0" , false }, + { (const FLAC__byte*)"\xf0" , false }, + { (const FLAC__byte*)"\xc0\x41" , false }, + { (const FLAC__byte*)"\xc1\x41" , false }, + { (const FLAC__byte*)"\xc0\x85" , false }, /* non-shortest form */ + { (const FLAC__byte*)"\xc1\x85" , false }, /* non-shortest form */ + { (const FLAC__byte*)"\xc2\x85" , true }, + { (const FLAC__byte*)"\xe0\x41" , false }, + { (const FLAC__byte*)"\xe1\x41" , false }, + { (const FLAC__byte*)"\xe0\x85" , false }, + { (const FLAC__byte*)"\xe1\x85" , false }, + { (const FLAC__byte*)"\xe0\x85\x41", false }, + { (const FLAC__byte*)"\xe1\x85\x41", false }, + { (const FLAC__byte*)"\xe0\x85\x80", false }, /* non-shortest form */ + { (const FLAC__byte*)"\xe0\x95\x80", false }, /* non-shortest form */ + { (const FLAC__byte*)"\xe0\xa5\x80", true }, + { (const FLAC__byte*)"\xe1\x85\x80", true }, + { (const FLAC__byte*)"\xe1\x95\x80", true }, + { (const FLAC__byte*)"\xe1\xa5\x80", true } +}; + +static struct { + uint32_t length; + const FLAC__byte *string; + FLAC__bool valid; +} VCENTRIES[] = { + { 0, (const FLAC__byte*)"" , false }, + { 1, (const FLAC__byte*)"a" , false }, + { 1, (const FLAC__byte*)"=" , true }, + { 2, (const FLAC__byte*)"a=" , true }, + { 2, (const FLAC__byte*)"\x01=" , false }, + { 2, (const FLAC__byte*)"\x1f=" , false }, + { 2, (const FLAC__byte*)"\x7d=" , true }, + { 2, (const FLAC__byte*)"\x7e=" , false }, + { 2, (const FLAC__byte*)"\xff=" , false }, + { 3, (const FLAC__byte*)"a=\x01" , true }, + { 3, (const FLAC__byte*)"a=\x7f" , true }, + { 3, (const FLAC__byte*)"a=\x80" , false }, + { 3, (const FLAC__byte*)"a=\x81" , false }, + { 3, (const FLAC__byte*)"a=\xc0" , false }, + { 3, (const FLAC__byte*)"a=\xe0" , false }, + { 3, (const FLAC__byte*)"a=\xf0" , false }, + { 4, (const FLAC__byte*)"a=\xc0\x41" , false }, + { 4, (const FLAC__byte*)"a=\xc1\x41" , false }, + { 4, (const FLAC__byte*)"a=\xc0\x85" , false }, /* non-shortest form */ + { 4, (const FLAC__byte*)"a=\xc1\x85" , false }, /* non-shortest form */ + { 4, (const FLAC__byte*)"a=\xc2\x85" , true }, + { 4, (const FLAC__byte*)"a=\xe0\x41" , false }, + { 4, (const FLAC__byte*)"a=\xe1\x41" , false }, + { 4, (const FLAC__byte*)"a=\xe0\x85" , false }, + { 4, (const FLAC__byte*)"a=\xe1\x85" , false }, + { 5, (const FLAC__byte*)"a=\xe0\x85\x41", false }, + { 5, (const FLAC__byte*)"a=\xe1\x85\x41", false }, + { 5, (const FLAC__byte*)"a=\xe0\x85\x80", false }, /* non-shortest form */ + { 5, (const FLAC__byte*)"a=\xe0\x95\x80", false }, /* non-shortest form */ + { 5, (const FLAC__byte*)"a=\xe0\xa5\x80", true }, + { 5, (const FLAC__byte*)"a=\xe1\x85\x80", true }, + { 5, (const FLAC__byte*)"a=\xe1\x95\x80", true }, + { 5, (const FLAC__byte*)"a=\xe1\xa5\x80", true } +}; + +FLAC__bool test_format(void) +{ + uint32_t i; + + printf("\n+++ libFLAC unit test: format\n\n"); + + for(i = 0; i < sizeof(SAMPLE_RATES)/sizeof(SAMPLE_RATES[0]); i++) { + printf("testing FLAC__format_sample_rate_is_valid(%u)... ", SAMPLE_RATES[i].rate); + if(FLAC__format_sample_rate_is_valid(SAMPLE_RATES[i].rate) != SAMPLE_RATES[i].valid) { + printf("FAILED, expected %s, got %s\n", true_false_string_[SAMPLE_RATES[i].valid], true_false_string_[!SAMPLE_RATES[i].valid]); + return false; + } + printf("OK\n"); + } + + for(i = 0; i < sizeof(SAMPLE_RATES)/sizeof(SAMPLE_RATES[0]); i++) { + printf("testing FLAC__format_sample_rate_is_subset(%u)... ", SAMPLE_RATES[i].rate); + if(FLAC__format_sample_rate_is_subset(SAMPLE_RATES[i].rate) != SAMPLE_RATES[i].subset) { + printf("FAILED, expected %s, got %s\n", true_false_string_[SAMPLE_RATES[i].subset], true_false_string_[!SAMPLE_RATES[i].subset]); + return false; + } + printf("OK\n"); + } + + for(i = 0; i < sizeof(VCENTRY_NAMES)/sizeof(VCENTRY_NAMES[0]); i++) { + printf("testing FLAC__format_vorbiscomment_entry_name_is_legal(\"%s\")... ", VCENTRY_NAMES[i].string); + if(FLAC__format_vorbiscomment_entry_name_is_legal(VCENTRY_NAMES[i].string) != VCENTRY_NAMES[i].valid) { + printf("FAILED, expected %s, got %s\n", true_false_string_[VCENTRY_NAMES[i].valid], true_false_string_[!VCENTRY_NAMES[i].valid]); + return false; + } + printf("OK\n"); + } + + for(i = 0; i < sizeof(VCENTRY_VALUES)/sizeof(VCENTRY_VALUES[0]); i++) { + printf("testing FLAC__format_vorbiscomment_entry_value_is_legal(\"%s\", %u)... ", VCENTRY_VALUES[i].string, VCENTRY_VALUES[i].length); + if(FLAC__format_vorbiscomment_entry_value_is_legal(VCENTRY_VALUES[i].string, VCENTRY_VALUES[i].length) != VCENTRY_VALUES[i].valid) { + printf("FAILED, expected %s, got %s\n", true_false_string_[VCENTRY_VALUES[i].valid], true_false_string_[!VCENTRY_VALUES[i].valid]); + return false; + } + printf("OK\n"); + } + + for(i = 0; i < sizeof(VCENTRY_VALUES_NT)/sizeof(VCENTRY_VALUES_NT[0]); i++) { + printf("testing FLAC__format_vorbiscomment_entry_value_is_legal(\"%s\", -1)... ", VCENTRY_VALUES_NT[i].string); + if(FLAC__format_vorbiscomment_entry_value_is_legal(VCENTRY_VALUES_NT[i].string, (uint32_t)(-1)) != VCENTRY_VALUES_NT[i].valid) { + printf("FAILED, expected %s, got %s\n", true_false_string_[VCENTRY_VALUES_NT[i].valid], true_false_string_[!VCENTRY_VALUES_NT[i].valid]); + return false; + } + printf("OK\n"); + } + + for(i = 0; i < sizeof(VCENTRIES)/sizeof(VCENTRIES[0]); i++) { + printf("testing FLAC__format_vorbiscomment_entry_is_legal(\"%s\", %u)... ", VCENTRIES[i].string, VCENTRIES[i].length); + if(FLAC__format_vorbiscomment_entry_is_legal(VCENTRIES[i].string, VCENTRIES[i].length) != VCENTRIES[i].valid) { + printf("FAILED, expected %s, got %s\n", true_false_string_[VCENTRIES[i].valid], true_false_string_[!VCENTRIES[i].valid]); + return false; + } + printf("OK\n"); + } + + printf("\nPASSED!\n"); + return true; +} diff --git a/src/test_libFLAC/format.h b/src/test_libFLAC/format.h new file mode 100644 index 0000000..f78d55d --- /dev/null +++ b/src/test_libFLAC/format.h @@ -0,0 +1,27 @@ +/* test_libFLAC - Unit tester for libFLAC + * Copyright (C) 2004-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifndef FLAC__TEST_LIBFLAC_FORMAT_H +#define FLAC__TEST_LIBFLAC_FORMAT_H + +#include "FLAC/ordinals.h" + +FLAC__bool test_format(void); + +#endif diff --git a/src/test_libFLAC/main.c b/src/test_libFLAC/main.c new file mode 100644 index 0000000..a4be0fe --- /dev/null +++ b/src/test_libFLAC/main.c @@ -0,0 +1,64 @@ +/* test_libFLAC - Unit tester for libFLAC + * Copyright (C) 2000-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include "bitreader.h" +#include "bitwriter.h" +#include "crc.h" +#include "decoders.h" +#include "encoders.h" +#include "endswap.h" +#include "format.h" +#include "metadata.h" +#include "md5.h" + +int main(void) +{ + if(!test_endswap()) + return 1; + + if(!test_crc()) + return 1; + + if(!test_md5()) + return 1; + + if(!test_bitreader()) + return 1; + + if(!test_bitwriter()) + return 1; + + if(!test_format()) + return 1; + + if(!test_encoders()) + return 1; + + if(!test_decoders()) + return 1; + + if(!test_metadata()) + return 1; + + return 0; +} diff --git a/src/test_libFLAC/md5.c b/src/test_libFLAC/md5.c new file mode 100644 index 0000000..bac4a74 --- /dev/null +++ b/src/test_libFLAC/md5.c @@ -0,0 +1,221 @@ +/* test_libFLAC - Unit tester for libFLAC + * Copyright (C) 2014-2023 Xiph.Org Foundation + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include <stdio.h> +#include <string.h> + +#include "FLAC/assert.h" +#include "share/compat.h" +#include "private/md5.h" +#include "md5.h" + + +static FLAC__bool test_md5_clear_context(void); +static FLAC__bool test_md5_codec(void); +static FLAC__bool test_md5_accumulate(const FLAC__int32 * const * signal,uint32_t channels, uint32_t samples, uint32_t bytes_per_sample, const FLAC__byte target_digest [16]); + +FLAC__bool test_md5(void) +{ + printf("\n+++ libFLAC unit test: md5\n\n"); + + if (! test_md5_clear_context()) + return false; + + if (! test_md5_codec()) + return false; + + printf("\nPASSED!\n"); + return true; +} + +/*----------------------------------------------------------------------------*/ + +static FLAC__bool test_md5_clear_context(void) +{ + FLAC__MD5Context ctx; + FLAC__byte digest[16]; + FLAC__byte target[16] = { 0xd4, 0x1d, 0x8c, 0xd9, 0x8f, 0x00, 0xb2, 0x04, 0xe9, 0x80, 0x09, 0x98, 0xec, 0xf8, 0x42, 0x7e }; + uint32_t k ; + char * cptr; + + printf("testing FLAC__MD5Init ... "); + FLAC__MD5Init (&ctx); + if (ctx.buf[0] != 0x67452301) { + printf("FAILED!\n"); + return false; + } + printf("OK\n"); + + printf("testing that FLAC__MD5Final clears the MD5Context ... "); + FLAC__MD5Final(digest, &ctx); + cptr = (char*) &ctx ; + for (k = 0 ; k < sizeof (ctx) ; k++) { + if (cptr [k]) { + printf("FAILED, MD5 ctx has not been cleared after FLAC__MD5Final\n"); + return false; + } + } + printf("OK\n"); + + printf("testing digest correct for zero data ... "); + if (memcmp(digest, target, sizeof (digest))) { + printf("\nFAILED, expected MD5 sum "); + for (k = 0 ; k < 16 ; k++) + printf("%02x", (target [k] & 0xff)); + printf (" but got "); + for (k = 0 ; k < 16 ; k++) + printf("%02x", (digest [k] & 0xff)); + puts("\n"); + return false; + } + puts("OK"); + + return true; +} + +static FLAC__byte target_digests [8][4][16] = +{ /* 1 channel */ + { /* 1 byte per sample */ + { 0xc1, 0x9a, 0x5b, 0xeb, 0x57, 0x8f, 0x26, 0xeb, 0xfb, 0x34, 0x7c, 0xef, 0x04, 0x31, 0x6d, 0x7d }, + /* 2 bytes per sample */ + { 0xd4, 0x78, 0x90, 0xd3, 0xa9, 0x17, 0x4e, 0x76, 0xca, 0x4d, 0x27, 0x20, 0x98, 0x36, 0x8b, 0x2e }, + /* 3 bytes per sample */ + { 0x5a, 0x4b, 0xd6, 0xac, 0xa1, 0x70, 0x84, 0x19, 0x7c, 0x0d, 0xfb, 0x5b, 0xa9, 0x7b, 0xcb, 0x54 }, + /* 4 bytes per sample */ + { 0x79, 0xd5, 0x7a, 0x32, 0x06, 0x0b, 0xfe, 0x46, 0xa3, 0xe7, 0xba, 0xc5, 0xf7, 0x48, 0x6f, 0x50 } + }, + + /* 2 channels */ + { + { 0x89, 0xac, 0xcf, 0x91, 0xf1, 0x8c, 0xea, 0xab, 0x46, 0x12, 0x74, 0xbc, 0x4e, 0x82, 0xbe, 0x7d }, + { 0xb9, 0x17, 0x16, 0x5b, 0xd8, 0x1c, 0xc8, 0x4e, 0x5a, 0x28, 0xfb, 0xba, 0x87, 0x74, 0x76, 0x44 }, + { 0xec, 0x63, 0x92, 0xca, 0x4f, 0x6b, 0x9e, 0xb1, 0x9f, 0xec, 0x3b, 0x2c, 0x15, 0x30, 0xfd, 0x2a }, + { 0x05, 0x4d, 0xfd, 0xb8, 0x9d, 0x8a, 0xa2, 0xdd, 0x26, 0x47, 0xc6, 0xfb, 0x4f, 0x23, 0x67, 0x6d } + }, + + /* 3 channels */ + { + { 0xad, 0x05, 0xda, 0xf3, 0x7a, 0xa1, 0x94, 0xdb, 0x0c, 0x61, 0x06, 0xb2, 0x94, 0x39, 0x6c, 0xa9 }, + { 0x8b, 0xcc, 0x41, 0x4d, 0xe9, 0xe3, 0xc2, 0x61, 0x61, 0x8a, 0x8b, 0x22, 0xc6, 0x4e, 0xac, 0xa7 }, + { 0x8a, 0xce, 0x97, 0xc1, 0x86, 0xae, 0xbc, 0x73, 0x88, 0x8b, 0x35, 0x5a, 0x37, 0x33, 0xf9, 0xcf }, + { 0x69, 0x59, 0xe8, 0x38, 0x29, 0x80, 0x80, 0x21, 0xb1, 0xd2, 0xba, 0xf6, 0x28, 0xd6, 0x6a, 0x83 } + }, + + /* 4 channels */ + { + { 0x61, 0x40, 0x75, 0xef, 0x22, 0xf1, 0x0f, 0xa6, 0x08, 0x6c, 0x88, 0xff, 0x2c, 0x4e, 0x98, 0x0b }, + { 0xa0, 0x77, 0x3a, 0x59, 0x4a, 0xbf, 0xd0, 0x5c, 0xcc, 0xe3, 0xb9, 0x83, 0x2b, 0xf3, 0xdf, 0x1a }, + { 0xdb, 0xd7, 0xf1, 0x82, 0x13, 0x60, 0x42, 0x7c, 0x84, 0xe6, 0xcf, 0x30, 0xab, 0xa2, 0x64, 0xf1 }, + { 0x4a, 0x9a, 0xad, 0x53, 0x05, 0x74, 0xb1, 0x1c, 0xb8, 0xd4, 0xae, 0x78, 0x13, 0xf6, 0x2a, 0x11 } + }, + + /* 5 channels */ + { + { 0xcc, 0xca, 0x44, 0xc0, 0x54, 0xe2, 0xc9, 0xba, 0x99, 0x32, 0xc9, 0x65, 0xf3, 0x3e, 0x44, 0x34}, + { 0x40, 0x38, 0x6a, 0xdd, 0xde, 0x89, 0x10, 0x3c, 0x8e, 0xec, 0xdf, 0x15, 0x53, 0x4c, 0x2c, 0x92 }, + { 0xc8, 0x95, 0x0a, 0x7c, 0x17, 0x30, 0xc0, 0xac, 0x8e, 0x34, 0xdb, 0x79, 0x76, 0x64, 0x7c, 0x6e }, + { 0x3f, 0x06, 0x11, 0x8a, 0x8d, 0x80, 0xb5, 0x4f, 0x8b, 0xb5, 0x8e, 0xb3, 0x27, 0x3e, 0x41, 0xe8 } + }, + + /* 6 channels */ + { + { 0x61, 0xe4, 0xbd, 0xb1, 0xc0, 0x2f, 0xf4, 0x4c, 0x6e, 0x09, 0x5a, 0xbd, 0x90, 0x18, 0x8b, 0x62 }, + { 0x47, 0xe7, 0x6e, 0x3b, 0x18, 0x86, 0x60, 0x1b, 0x09, 0x62, 0xc6, 0xc9, 0x7c, 0x4c, 0x03, 0xb5 }, + { 0x70, 0x57, 0xbf, 0x67, 0x66, 0x0f, 0xe3, 0x0a, 0x6c, 0xd2, 0x97, 0x66, 0xa2, 0xd2, 0xe4, 0x79 }, + { 0xaa, 0x3f, 0xc7, 0xf5, 0x7a, 0xa5, 0x46, 0xf7, 0xea, 0xe3, 0xd5, 0x1a, 0xa4, 0x62, 0xbe, 0xfa } + }, + + /* 7 channels */ + { + { 0x7c, 0x8d, 0xd2, 0x8c, 0xfd, 0x91, 0xbb, 0x77, 0x6f, 0x0e, 0xf0, 0x39, 0x1f, 0x39, 0xc4, 0xac }, + { 0xfb, 0xab, 0x18, 0x3f, 0x1e, 0x1d, 0xa5, 0x77, 0xe0, 0x5c, 0xea, 0x45, 0x6f, 0x64, 0xa4, 0x64 }, + { 0xe3, 0xac, 0x33, 0x50, 0xc1, 0xb1, 0x93, 0xfb, 0xca, 0x4b, 0x15, 0xcb, 0x2d, 0xcd, 0xd5, 0xef }, + { 0x10, 0xfb, 0x02, 0x83, 0x76, 0x0d, 0xe5, 0xd2, 0x3b, 0xb1, 0x4c, 0x78, 0x3b, 0x73, 0xf7, 0x1a } + }, + + /* 8 channels */ + { + { 0x65, 0x7b, 0xe5, 0x92, 0xe2, 0x1c, 0x95, 0x3e, 0xd7, 0x2f, 0x64, 0xa0, 0x86, 0xec, 0x1a, 0xed }, + { 0x9d, 0x04, 0x8f, 0xa4, 0xea, 0x10, 0xec, 0xb8, 0xa3, 0x88, 0xe2, 0x5d, 0x3c, 0xe2, 0xfb, 0x94 }, + { 0x5a, 0xd3, 0xd2, 0x75, 0x6a, 0xfa, 0xa7, 0x42, 0xf3, 0xbf, 0x0e, 0xbc, 0x90, 0x2a, 0xf8, 0x5f }, + { 0x76, 0xe1, 0xe5, 0xf6, 0xe3, 0x44, 0x08, 0x29, 0xae, 0x79, 0x19, 0xeb, 0xa8, 0x57, 0x16, 0x2a } + } +}; + +#define MAX_CHANNEL_COUNT 8 +#define MD5_SAMPLE_COUNT 64 + +static FLAC__bool test_md5_codec(void) +{ + FLAC__int32 arrays[MAX_CHANNEL_COUNT][MD5_SAMPLE_COUNT], *pointer[MAX_CHANNEL_COUNT], **signal; + uint32_t chan, byte_size, seed = 0x12345679; + + /* Set up signal data using a trivial Linear Congruent PRNG. */ + signal = &pointer[0]; + for (chan = 0 ; chan < MAX_CHANNEL_COUNT ; chan ++) { + uint32_t k; + pointer[chan] = arrays [chan]; + for (k = 0 ; k < MD5_SAMPLE_COUNT ; k++) { + seed = seed * 1103515245 + 12345; + arrays[chan][k] = seed; + } + } + + for (chan = 1 ; chan <= MAX_CHANNEL_COUNT ; chan ++) { + for (byte_size = 1 ; byte_size <= 4 ; byte_size ++) { + if (! test_md5_accumulate((const FLAC__int32 * const *) signal, chan, MD5_SAMPLE_COUNT, byte_size, target_digests[chan-1][byte_size-1])) + return false; + } + } + + return true; +} + +static FLAC__bool test_md5_accumulate(const FLAC__int32 * const * signal, uint32_t channels, uint32_t samples, uint32_t bytes_per_sample, const FLAC__byte target_digest [16]) +{ + FLAC__MD5Context ctx; + FLAC__byte digest[16]; + + memset(&ctx, 0, sizeof (ctx)); + + printf("testing FLAC__MD5Accumulate (samples=%u, channels=%u, bytes_per_sample=%u) ... ", samples, channels, bytes_per_sample); + + FLAC__MD5Init(&ctx); + FLAC__MD5Accumulate(&ctx, signal, channels, samples, bytes_per_sample); + FLAC__MD5Final(digest, &ctx); + + if (memcmp(digest, target_digest, sizeof (digest))) { + int k ; + + printf("\nFAILED, expected MD5 sum "); + for (k = 0 ; k < 16 ; k++) + printf("%02x", (target_digest [k] & 0xff)); + printf (" but got "); + for (k = 0 ; k < 16 ; k++) + printf("%02x", (digest [k] & 0xff)); + puts("\n"); + return false; + } + + printf("OK\n"); + return true; +} diff --git a/src/test_libFLAC/md5.h b/src/test_libFLAC/md5.h new file mode 100644 index 0000000..6863268 --- /dev/null +++ b/src/test_libFLAC/md5.h @@ -0,0 +1,26 @@ +/* test_libFLAC - Unit tester for libFLAC + * Copyright (C) 2014-2023 Xiph.Org Foundation + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifndef FLAC__TEST_LIBFLAC_MD5_H +#define FLAC__TEST_LIBFLAC_MD5_H + +#include "FLAC/ordinals.h" + +FLAC__bool test_md5(void); + +#endif diff --git a/src/test_libFLAC/metadata.c b/src/test_libFLAC/metadata.c new file mode 100644 index 0000000..0347f6d --- /dev/null +++ b/src/test_libFLAC/metadata.c @@ -0,0 +1,41 @@ +/* test_libFLAC - Unit tester for libFLAC + * Copyright (C) 2002-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include "metadata.h" +#include <stdio.h> + +extern FLAC__bool test_metadata_object(void); +extern FLAC__bool test_metadata_file_manipulation(void); + +FLAC__bool test_metadata(void) +{ + if(!test_metadata_object()) + return false; + + if(!test_metadata_file_manipulation()) + return false; + + printf("\nPASSED!\n"); + + return true; +} diff --git a/src/test_libFLAC/metadata.h b/src/test_libFLAC/metadata.h new file mode 100644 index 0000000..51bdf7a --- /dev/null +++ b/src/test_libFLAC/metadata.h @@ -0,0 +1,29 @@ +/* test_libFLAC - Unit tester for libFLAC + * Copyright (C) 2002-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifndef FLAC__TEST_LIBFLAC_METADATA_H +#define FLAC__TEST_LIBFLAC_METADATA_H + +#include "FLAC/ordinals.h" + +FLAC__bool test_metadata(void); +FLAC__bool test_metadata_file_manipulation(void); +FLAC__bool test_metadata_object(void); + +#endif diff --git a/src/test_libFLAC/metadata_manip.c b/src/test_libFLAC/metadata_manip.c new file mode 100644 index 0000000..334dc3a --- /dev/null +++ b/src/test_libFLAC/metadata_manip.c @@ -0,0 +1,2146 @@ +/* test_libFLAC - Unit tester for libFLAC + * Copyright (C) 2002-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include <stdio.h> +#include <stdlib.h> /* for malloc() */ +#include <string.h> /* for memcpy()/memset() */ +#if defined _MSC_VER || defined __MINGW32__ +#include <sys/utime.h> /* for utime() */ +#include <io.h> /* for chmod() */ +#else +#include <sys/types.h> /* some flavors of BSD (like OS X) require this to get time_t */ +#include <unistd.h> /* for chown(), unlink() */ +#endif +#include <sys/stat.h> /* for stat(), maybe chmod() */ +#include "FLAC/assert.h" +#include "FLAC/stream_decoder.h" +#include "FLAC/metadata.h" +#include "share/grabbag.h" +#include "share/compat.h" +#include "share/macros.h" +#include "share/safe_str.h" +#include "test_libs_common/file_utils_flac.h" +#include "test_libs_common/metadata_utils.h" +#include "metadata.h" + + +/****************************************************************************** + The general strategy of these tests (for interface levels 1 and 2) is + to create a dummy FLAC file with a known set of initial metadata + blocks, then keep a mirror locally of what we expect the metadata to be + after each operation. Then testing becomes a simple matter of running + a FLAC__StreamDecoder over the dummy file after each operation, comparing + the decoded metadata to what's in our local copy. If there are any + differences in the metadata, or the actual audio data is corrupted, we + will catch it while decoding. +******************************************************************************/ + +typedef struct { + FLAC__bool error_occurred; +} decoder_client_struct; + +typedef struct { + FLAC__StreamMetadata *blocks[64]; + uint32_t num_blocks; +} our_metadata_struct; + +/* our copy of the metadata in flacfilename() */ +static our_metadata_struct our_metadata_; + +/* the current block number that corresponds to the position of the iterator we are testing */ +static uint32_t mc_our_block_number_ = 0; + +static const char *flacfilename(FLAC__bool is_ogg) +{ + return is_ogg? "metadata.oga" : "metadata.flac"; +} + +static FLAC__bool die_(const char *msg) +{ + printf("ERROR: %s\n", msg); + return false; +} + +static FLAC__bool die_c_(const char *msg, FLAC__Metadata_ChainStatus status) +{ + printf("ERROR: %s\n", msg); + printf(" status=%s\n", FLAC__Metadata_ChainStatusString[status]); + return false; +} + +static FLAC__bool die_ss_(const char *msg, FLAC__Metadata_SimpleIterator *iterator) +{ + printf("ERROR: %s\n", msg); + printf(" status=%s\n", FLAC__Metadata_SimpleIteratorStatusString[FLAC__metadata_simple_iterator_status(iterator)]); + return false; +} + +static void *malloc_or_die_(size_t size) +{ + void *x = malloc(size); + if(0 == x) { + fprintf(stderr, "ERROR: out of memory allocating %u bytes\n", (uint32_t)size); + exit(1); + } + return x; +} + +static char *strdup_or_die_(const char *s) +{ + char *x = strdup(s); + if(0 == x) { + fprintf(stderr, "ERROR: out of memory copying string \"%s\"\n", s); + exit(1); + } + return x; +} + +/* functions for working with our metadata copy */ + +static FLAC__bool replace_in_our_metadata_(FLAC__StreamMetadata *block, uint32_t position, FLAC__bool copy) +{ + uint32_t i; + FLAC__StreamMetadata *obj = block; + FLAC__ASSERT(position < our_metadata_.num_blocks); + if(copy) { + if(0 == (obj = FLAC__metadata_object_clone(block))) + return die_("during FLAC__metadata_object_clone()"); + } + FLAC__metadata_object_delete(our_metadata_.blocks[position]); + our_metadata_.blocks[position] = obj; + + /* set the is_last flags */ + for(i = 0; i < our_metadata_.num_blocks - 1; i++) + our_metadata_.blocks[i]->is_last = false; + our_metadata_.blocks[i]->is_last = true; + + return true; +} + +static FLAC__bool insert_to_our_metadata_(FLAC__StreamMetadata *block, uint32_t position, FLAC__bool copy) +{ + uint32_t i; + FLAC__StreamMetadata *obj = block; + if(copy) { + if(0 == (obj = FLAC__metadata_object_clone(block))) + return die_("during FLAC__metadata_object_clone()"); + } + if(position > our_metadata_.num_blocks) { + position = our_metadata_.num_blocks; + } + else { + for(i = our_metadata_.num_blocks; i > position; i--) + our_metadata_.blocks[i] = our_metadata_.blocks[i-1]; + } + our_metadata_.blocks[position] = obj; + our_metadata_.num_blocks++; + + /* set the is_last flags */ + for(i = 0; i < our_metadata_.num_blocks - 1; i++) + our_metadata_.blocks[i]->is_last = false; + our_metadata_.blocks[i]->is_last = true; + + return true; +} + +static void delete_from_our_metadata_(uint32_t position) +{ + uint32_t i; + FLAC__ASSERT(position < our_metadata_.num_blocks); + FLAC__metadata_object_delete(our_metadata_.blocks[position]); + for(i = position; i < our_metadata_.num_blocks - 1; i++) + our_metadata_.blocks[i] = our_metadata_.blocks[i+1]; + our_metadata_.num_blocks--; + + /* set the is_last flags */ + if(our_metadata_.num_blocks > 0) { + for(i = 0; i < our_metadata_.num_blocks - 1; i++) + our_metadata_.blocks[i]->is_last = false; + our_metadata_.blocks[i]->is_last = true; + } +} + +/* + * This wad of functions supports filename- and callback-based chain reading/writing. + * Everything up to set_file_stats_() is copied from libFLAC/metadata_iterators.c + */ +static FLAC__bool open_tempfile_(const char *filename, FILE **tempfile, char **tempfilename) +{ + static const char *tempfile_suffix = ".metadata_edit"; + size_t dest_len = strlen(filename) + strlen(tempfile_suffix) + 1; + + *tempfilename = malloc(dest_len); + if (*tempfilename == NULL) + return false; + safe_strncpy(*tempfilename, filename, dest_len); + safe_strncat(*tempfilename, tempfile_suffix, dest_len); + + *tempfile = flac_fopen(*tempfilename, "wb"); + if (*tempfile == NULL) + return false; + + return true; +} + +static void cleanup_tempfile_(FILE **tempfile, char **tempfilename) +{ + if (*tempfile != NULL) { + (void)fclose(*tempfile); + *tempfile = 0; + } + + if (*tempfilename != NULL) { + (void)flac_unlink(*tempfilename); + free(*tempfilename); + *tempfilename = 0; + } +} + +static FLAC__bool transport_tempfile_(const char *filename, FILE **tempfile, char **tempfilename) +{ + FLAC__ASSERT(0 != filename); + FLAC__ASSERT(0 != tempfile); + FLAC__ASSERT(0 != tempfilename); + FLAC__ASSERT(0 != *tempfilename); + + if(0 != *tempfile) { + (void)fclose(*tempfile); + *tempfile = 0; + } + +#if defined _MSC_VER || defined __MINGW32__ || defined __EMX__ + /* on some flavors of windows, flac_rename() will fail if the destination already exists */ + if(flac_unlink(filename) < 0) { + cleanup_tempfile_(tempfile, tempfilename); + return false; + } +#endif + + if(0 != flac_rename(*tempfilename, filename)) { + cleanup_tempfile_(tempfile, tempfilename); + return false; + } + + cleanup_tempfile_(tempfile, tempfilename); + + return true; +} + +static FLAC__bool get_file_stats_(const char *filename, struct flac_stat_s *stats) +{ + FLAC__ASSERT(0 != filename); + FLAC__ASSERT(0 != stats); + return (0 == flac_stat(filename, stats)); +} + +static void set_file_stats_(const char *filename, struct flac_stat_s *stats) +{ +#if defined(_POSIX_C_SOURCE) && (_POSIX_C_SOURCE >= 200809L) && !defined(_WIN32) + struct timespec srctime[2] = {}; + srctime[0].tv_sec = stats->st_atime; + srctime[1].tv_sec = stats->st_mtime; +#else + struct utimbuf srctime; + srctime.actime = stats->st_atime; + srctime.modtime = stats->st_mtime; +#endif + FLAC__ASSERT(0 != filename); + FLAC__ASSERT(0 != stats); + + (void)flac_chmod(filename, stats->st_mode); + (void)flac_utime(filename, &srctime); +#if !defined _MSC_VER && !defined __MINGW32__ + FLAC_CHECK_RETURN(chown(filename, stats->st_uid, -1)); + FLAC_CHECK_RETURN(chown(filename, -1, stats->st_gid)); +#endif +} + +#ifdef FLAC__VALGRIND_TESTING +static size_t chain_write_cb_(const void *ptr, size_t size, size_t nmemb, FLAC__IOHandle handle) +{ + FILE *stream = (FILE*)handle; + size_t ret = fwrite(ptr, size, nmemb, stream); + if(!ferror(stream)) + fflush(stream); + return ret; +} +#endif + +static int chain_seek_cb_(FLAC__IOHandle handle, FLAC__int64 offset, int whence) +{ + FLAC__off_t o = (FLAC__off_t)offset; + FLAC__ASSERT(offset == o); + return fseeko((FILE*)handle, o, whence); +} + +static FLAC__int64 chain_tell_cb_(FLAC__IOHandle handle) +{ + return ftello((FILE*)handle); +} + +static int chain_eof_cb_(FLAC__IOHandle handle) +{ + return feof((FILE*)handle); +} + +static FLAC__bool write_chain_(FLAC__Metadata_Chain *chain, FLAC__bool use_padding, FLAC__bool preserve_file_stats, FLAC__bool filename_based, const char *filename) +{ + if(filename_based) + return FLAC__metadata_chain_write(chain, use_padding, preserve_file_stats); + else { + FLAC__IOCallbacks callbacks; + + memset(&callbacks, 0, sizeof(callbacks)); + callbacks.read = (FLAC__IOCallback_Read)fread; +#ifdef FLAC__VALGRIND_TESTING + callbacks.write = chain_write_cb_; +#else + callbacks.write = (FLAC__IOCallback_Write)fwrite; +#endif + callbacks.seek = chain_seek_cb_; + callbacks.eof = chain_eof_cb_; + + if(FLAC__metadata_chain_check_if_tempfile_needed(chain, use_padding)) { + struct flac_stat_s stats; + FILE *file, *tempfile = 0; + char *tempfilename; + if(preserve_file_stats) { + if(!get_file_stats_(filename, &stats)) + return false; + } + if(0 == (file = flac_fopen(filename, "rb"))) + return false; /*@@@@ chain status still says OK though */ + if(!open_tempfile_(filename, &tempfile, &tempfilename)) { + fclose(file); + cleanup_tempfile_(&tempfile, &tempfilename); + return false; /*@@@@ chain status still says OK though */ + } + if(!FLAC__metadata_chain_write_with_callbacks_and_tempfile(chain, use_padding, (FLAC__IOHandle)file, callbacks, (FLAC__IOHandle)tempfile, callbacks)) { + fclose(file); + fclose(tempfile); + return false; + } + fclose(file); + fclose(tempfile); + file = tempfile = 0; + if(!transport_tempfile_(filename, &tempfile, &tempfilename)) + return false; + if(preserve_file_stats) + set_file_stats_(filename, &stats); + } + else { + FILE *file = flac_fopen(filename, "r+b"); + if(0 == file) + return false; /*@@@@ chain status still says OK though */ + if(!FLAC__metadata_chain_write_with_callbacks(chain, use_padding, (FLAC__IOHandle)file, callbacks)) + return false; + fclose(file); + } + } + + return true; +} + +static FLAC__bool read_chain_(FLAC__Metadata_Chain *chain, const char *filename, FLAC__bool filename_based, FLAC__bool is_ogg) +{ + if(filename_based) + return is_ogg? + FLAC__metadata_chain_read_ogg(chain, flacfilename(is_ogg)) : + FLAC__metadata_chain_read(chain, flacfilename(is_ogg)) + ; + else { + FLAC__IOCallbacks callbacks; + + memset(&callbacks, 0, sizeof(callbacks)); + callbacks.read = (FLAC__IOCallback_Read)fread; + callbacks.seek = chain_seek_cb_; + callbacks.tell = chain_tell_cb_; + + { + FLAC__bool ret; + FILE *file = flac_fopen(filename, "rb"); + if(0 == file) + return false; /*@@@@ chain status still says OK though */ + ret = is_ogg? + FLAC__metadata_chain_read_ogg_with_callbacks(chain, (FLAC__IOHandle)file, callbacks) : + FLAC__metadata_chain_read_with_callbacks(chain, (FLAC__IOHandle)file, callbacks) + ; + fclose(file); + return ret; + } + } +} + +/* function for comparing our metadata to a FLAC__Metadata_Chain */ + +static FLAC__bool compare_chain_(FLAC__Metadata_Chain *chain, uint32_t current_position, FLAC__StreamMetadata *current_block) +{ + uint32_t i; + FLAC__Metadata_Iterator *iterator; + FLAC__StreamMetadata *block; + FLAC__bool next_ok = true; + + FLAC__ASSERT(0 != chain); + + printf("\tcomparing chain... "); + fflush(stdout); + + if(0 == (iterator = FLAC__metadata_iterator_new())) + return die_("allocating memory for iterator"); + + FLAC__metadata_iterator_init(iterator, chain); + + i = 0; + do { + printf("%u... ", i); + fflush(stdout); + + if(0 == (block = FLAC__metadata_iterator_get_block(iterator))) { + FLAC__metadata_iterator_delete(iterator); + return die_("getting block from iterator"); + } + + if(!mutils__compare_block(our_metadata_.blocks[i], block)) { + FLAC__metadata_iterator_delete(iterator); + return die_("metadata block mismatch"); + } + + i++; + next_ok = FLAC__metadata_iterator_next(iterator); + } while(i < our_metadata_.num_blocks && next_ok); + + FLAC__metadata_iterator_delete(iterator); + + if(next_ok) + return die_("chain has more blocks than expected"); + + if(i < our_metadata_.num_blocks) + return die_("short block count in chain"); + + if(0 != current_block) { + printf("CURRENT_POSITION... "); + fflush(stdout); + + if(!mutils__compare_block(our_metadata_.blocks[current_position], current_block)) + return die_("metadata block mismatch"); + } + + printf("PASSED\n"); + + return true; +} + +/* decoder callbacks for checking the file */ + +static FLAC__StreamDecoderWriteStatus decoder_write_callback_(const FLAC__StreamDecoder *decoder, const FLAC__Frame *frame, const FLAC__int32 * const buffer[], void *client_data) +{ + (void)decoder, (void)buffer, (void)client_data; + + if( + (frame->header.number_type == FLAC__FRAME_NUMBER_TYPE_FRAME_NUMBER && frame->header.number.frame_number == 0) || + (frame->header.number_type == FLAC__FRAME_NUMBER_TYPE_SAMPLE_NUMBER && frame->header.number.sample_number == 0) + ) { + printf("content... "); + fflush(stdout); + } + + return FLAC__STREAM_DECODER_WRITE_STATUS_CONTINUE; +} + +/* this version pays no attention to the metadata */ +static void decoder_metadata_callback_null_(const FLAC__StreamDecoder *decoder, const FLAC__StreamMetadata *metadata, void *client_data) +{ + (void)decoder, (void)metadata, (void)client_data; + + printf("%u... ", mc_our_block_number_); + fflush(stdout); + + mc_our_block_number_++; +} + +/* this version is used when we want to compare to our metadata copy */ +static void decoder_metadata_callback_compare_(const FLAC__StreamDecoder *decoder, const FLAC__StreamMetadata *metadata, void *client_data) +{ + decoder_client_struct *dcd = (decoder_client_struct*)client_data; + + (void)decoder; + + /* don't bother checking if we've already hit an error */ + if(dcd->error_occurred) + return; + + printf("%u... ", mc_our_block_number_); + fflush(stdout); + + if(mc_our_block_number_ >= our_metadata_.num_blocks) { + (void)die_("got more metadata blocks than expected"); + dcd->error_occurred = true; + } + else { + if(!mutils__compare_block(our_metadata_.blocks[mc_our_block_number_], metadata)) { + (void)die_("metadata block mismatch"); + dcd->error_occurred = true; + } + } + mc_our_block_number_++; +} + +static void decoder_error_callback_(const FLAC__StreamDecoder *decoder, FLAC__StreamDecoderErrorStatus status, void *client_data) +{ + decoder_client_struct *dcd = (decoder_client_struct*)client_data; + (void)decoder; + + dcd->error_occurred = true; + printf("ERROR: got error callback, status = %s (%u)\n", FLAC__StreamDecoderErrorStatusString[status], (uint32_t)status); +} + +static FLAC__bool generate_file_(FLAC__bool include_extras, FLAC__bool is_ogg) +{ + FLAC__StreamMetadata streaminfo, vorbiscomment, *cuesheet, picture, padding; + FLAC__StreamMetadata *metadata[4]; + uint32_t i = 0, n = 0; + + printf("generating %sFLAC file for test\n", is_ogg? "Ogg " : ""); + + while(our_metadata_.num_blocks > 0) + delete_from_our_metadata_(0); + + streaminfo.is_last = false; + streaminfo.type = FLAC__METADATA_TYPE_STREAMINFO; + streaminfo.length = FLAC__STREAM_METADATA_STREAMINFO_LENGTH; + streaminfo.data.stream_info.min_blocksize = 576; + streaminfo.data.stream_info.max_blocksize = 576; + streaminfo.data.stream_info.min_framesize = 0; + streaminfo.data.stream_info.max_framesize = 0; + streaminfo.data.stream_info.sample_rate = 44100; + streaminfo.data.stream_info.channels = 1; + streaminfo.data.stream_info.bits_per_sample = 8; + streaminfo.data.stream_info.total_samples = 0; + memset(streaminfo.data.stream_info.md5sum, 0, 16); + + { + const uint32_t vendor_string_length = (uint32_t)strlen(FLAC__VENDOR_STRING); + vorbiscomment.is_last = false; + vorbiscomment.type = FLAC__METADATA_TYPE_VORBIS_COMMENT; + vorbiscomment.length = (4 + vendor_string_length) + 4; + vorbiscomment.data.vorbis_comment.vendor_string.length = vendor_string_length; + vorbiscomment.data.vorbis_comment.vendor_string.entry = malloc_or_die_(vendor_string_length+1); + memcpy(vorbiscomment.data.vorbis_comment.vendor_string.entry, FLAC__VENDOR_STRING, vendor_string_length+1); + vorbiscomment.data.vorbis_comment.num_comments = 0; + vorbiscomment.data.vorbis_comment.comments = 0; + } + + { + if (0 == (cuesheet = FLAC__metadata_object_new(FLAC__METADATA_TYPE_CUESHEET))) + return die_("priming our metadata"); + cuesheet->is_last = false; + safe_strncpy(cuesheet->data.cue_sheet.media_catalog_number, "bogo-MCN", sizeof(cuesheet->data.cue_sheet.media_catalog_number)); + cuesheet->data.cue_sheet.lead_in = 123; + cuesheet->data.cue_sheet.is_cd = false; + if (!FLAC__metadata_object_cuesheet_insert_blank_track(cuesheet, 0)) + return die_("priming our metadata"); + cuesheet->data.cue_sheet.tracks[0].number = 1; + if (!FLAC__metadata_object_cuesheet_track_insert_blank_index(cuesheet, 0, 0)) + return die_("priming our metadata"); + } + + { + picture.is_last = false; + picture.type = FLAC__METADATA_TYPE_PICTURE; + picture.length = + ( + FLAC__STREAM_METADATA_PICTURE_TYPE_LEN + + FLAC__STREAM_METADATA_PICTURE_MIME_TYPE_LENGTH_LEN + /* will add the length for the string later */ + FLAC__STREAM_METADATA_PICTURE_DESCRIPTION_LENGTH_LEN + /* will add the length for the string later */ + FLAC__STREAM_METADATA_PICTURE_WIDTH_LEN + + FLAC__STREAM_METADATA_PICTURE_HEIGHT_LEN + + FLAC__STREAM_METADATA_PICTURE_DEPTH_LEN + + FLAC__STREAM_METADATA_PICTURE_COLORS_LEN + + FLAC__STREAM_METADATA_PICTURE_DATA_LENGTH_LEN /* will add the length for the data later */ + ) / 8 + ; + picture.data.picture.type = FLAC__STREAM_METADATA_PICTURE_TYPE_FRONT_COVER; + picture.data.picture.mime_type = strdup_or_die_("image/jpeg"); + picture.length += strlen(picture.data.picture.mime_type); + picture.data.picture.description = (FLAC__byte*)strdup_or_die_("desc"); + picture.length += strlen((const char *)picture.data.picture.description); + picture.data.picture.width = 300; + picture.data.picture.height = 300; + picture.data.picture.depth = 24; + picture.data.picture.colors = 0; + picture.data.picture.data = (FLAC__byte*)strdup_or_die_("SOMEJPEGDATA"); + picture.data.picture.data_length = strlen((const char *)picture.data.picture.data); + picture.length += picture.data.picture.data_length; + } + + padding.is_last = true; + padding.type = FLAC__METADATA_TYPE_PADDING; + padding.length = 1234; + + metadata[n++] = &vorbiscomment; + if(include_extras) { + metadata[n++] = cuesheet; + metadata[n++] = &picture; + } + metadata[n++] = &padding; + + if( + !insert_to_our_metadata_(&streaminfo, i++, /*copy=*/true) || + !insert_to_our_metadata_(&vorbiscomment, i++, /*copy=*/true) || + (include_extras && !insert_to_our_metadata_(cuesheet, i++, /*copy=*/false)) || + (include_extras && !insert_to_our_metadata_(&picture, i++, /*copy=*/true)) || + !insert_to_our_metadata_(&padding, i++, /*copy=*/true) + ) + return die_("priming our metadata"); + + if(!file_utils__generate_flacfile(is_ogg, flacfilename(is_ogg), 0, 512 * 1024, &streaminfo, metadata, n)) + return die_("creating the encoded file"); + + free(vorbiscomment.data.vorbis_comment.vendor_string.entry); + free(picture.data.picture.mime_type); + free(picture.data.picture.description); + free(picture.data.picture.data); + if(!include_extras) + FLAC__metadata_object_delete(cuesheet); + + return true; +} + +static FLAC__bool test_file_(FLAC__bool is_ogg, FLAC__StreamDecoderMetadataCallback metadata_callback) +{ + const char *filename = flacfilename(is_ogg); + FLAC__StreamDecoder *decoder; + decoder_client_struct decoder_client_data; + + FLAC__ASSERT(0 != metadata_callback); + + mc_our_block_number_ = 0; + decoder_client_data.error_occurred = false; + + printf("\ttesting '%s'... ", filename); + fflush(stdout); + + if(0 == (decoder = FLAC__stream_decoder_new())) + return die_("couldn't allocate decoder instance"); + + FLAC__stream_decoder_set_md5_checking(decoder, true); + FLAC__stream_decoder_set_metadata_respond_all(decoder); + if( + (is_ogg? + FLAC__stream_decoder_init_ogg_file(decoder, filename, decoder_write_callback_, metadata_callback, decoder_error_callback_, &decoder_client_data) : + FLAC__stream_decoder_init_file(decoder, filename, decoder_write_callback_, metadata_callback, decoder_error_callback_, &decoder_client_data) + ) != FLAC__STREAM_DECODER_INIT_STATUS_OK + ) { + (void)FLAC__stream_decoder_finish(decoder); + FLAC__stream_decoder_delete(decoder); + return die_("initializing decoder\n"); + } + if(!FLAC__stream_decoder_process_until_end_of_stream(decoder)) { + (void)FLAC__stream_decoder_finish(decoder); + FLAC__stream_decoder_delete(decoder); + return die_("decoding file\n"); + } + + (void)FLAC__stream_decoder_finish(decoder); + FLAC__stream_decoder_delete(decoder); + + if(decoder_client_data.error_occurred) + return false; + + if(mc_our_block_number_ != our_metadata_.num_blocks) + return die_("short metadata block count"); + + printf("PASSED\n"); + return true; +} + +static FLAC__bool change_stats_(const char *filename, FLAC__bool read_only) +{ + if(!grabbag__file_change_stats(filename, read_only)) + return die_("during grabbag__file_change_stats()"); + + return true; +} + +static FLAC__bool remove_file_(const char *filename) +{ + while(our_metadata_.num_blocks > 0) + delete_from_our_metadata_(0); + + if(!grabbag__file_remove_file(filename)) + return die_("removing file"); + + return true; +} + +static FLAC__bool test_level_0_(void) +{ + FLAC__StreamMetadata streaminfo; + FLAC__StreamMetadata *tags = 0; + FLAC__StreamMetadata *cuesheet = 0; + FLAC__StreamMetadata *picture = 0; + + printf("\n\n++++++ testing level 0 interface\n"); + + if(!generate_file_(/*include_extras=*/true, /*is_ogg=*/false)) + return false; + + if(!test_file_(/*is_ogg=*/false, decoder_metadata_callback_null_)) + return false; + + printf("testing FLAC__metadata_get_streaminfo()... "); + + if(!FLAC__metadata_get_streaminfo(flacfilename(/*is_ogg=*/false), &streaminfo)) + return die_("during FLAC__metadata_get_streaminfo()"); + + /* check to see if some basic data matches (c.f. generate_file_()) */ + if(streaminfo.data.stream_info.channels != 1) + return die_("mismatch in streaminfo.data.stream_info.channels"); + if(streaminfo.data.stream_info.bits_per_sample != 8) + return die_("mismatch in streaminfo.data.stream_info.bits_per_sample"); + if(streaminfo.data.stream_info.sample_rate != 44100) + return die_("mismatch in streaminfo.data.stream_info.sample_rate"); + if(streaminfo.data.stream_info.min_blocksize != 576) + return die_("mismatch in streaminfo.data.stream_info.min_blocksize"); + if(streaminfo.data.stream_info.max_blocksize != 576) + return die_("mismatch in streaminfo.data.stream_info.max_blocksize"); + + printf("OK\n"); + + printf("testing FLAC__metadata_get_tags()... "); + + if(!FLAC__metadata_get_tags(flacfilename(/*is_ogg=*/false), &tags)) + return die_("during FLAC__metadata_get_tags()"); + + /* check to see if some basic data matches (c.f. generate_file_()) */ + if(tags->data.vorbis_comment.num_comments != 0) + return die_("mismatch in tags->data.vorbis_comment.num_comments"); + + printf("OK\n"); + + FLAC__metadata_object_delete(tags); + + printf("testing FLAC__metadata_get_cuesheet()... "); + + if(!FLAC__metadata_get_cuesheet(flacfilename(/*is_ogg=*/false), &cuesheet)) + return die_("during FLAC__metadata_get_cuesheet()"); + + /* check to see if some basic data matches (c.f. generate_file_()) */ + if(cuesheet->data.cue_sheet.lead_in != 123) + return die_("mismatch in cuesheet->data.cue_sheet.lead_in"); + + printf("OK\n"); + + FLAC__metadata_object_delete(cuesheet); + + printf("testing FLAC__metadata_get_picture()... "); + + if(!FLAC__metadata_get_picture(flacfilename(/*is_ogg=*/false), &picture, /*type=*/(FLAC__StreamMetadata_Picture_Type)(-1), /*mime_type=*/0, /*description=*/0, /*max_width=*/(uint32_t)(-1), /*max_height=*/(uint32_t)(-1), /*max_depth=*/(uint32_t)(-1), /*max_colors=*/(uint32_t)(-1))) + return die_("during FLAC__metadata_get_picture()"); + + /* check to see if some basic data matches (c.f. generate_file_()) */ + if(picture->data.picture.type != FLAC__STREAM_METADATA_PICTURE_TYPE_FRONT_COVER) + return die_("mismatch in picture->data.picture.type"); + + printf("OK\n"); + + FLAC__metadata_object_delete(picture); + + if(!remove_file_(flacfilename(/*is_ogg=*/false))) + return false; + + return true; +} + +static FLAC__bool test_level_1_(void) +{ + FLAC__Metadata_SimpleIterator *iterator; + FLAC__StreamMetadata *block, *app, *padding; + FLAC__byte data[1000]; + uint32_t our_current_position = 0; + + /* initialize 'data' to avoid Valgrind errors */ + memset(data, 0, sizeof(data)); + + printf("\n\n++++++ testing level 1 interface\n"); + + /************************************************************/ + + printf("simple iterator on read-only file\n"); + + if(!generate_file_(/*include_extras=*/false, /*is_ogg=*/false)) + return false; + + if(!change_stats_(flacfilename(/*is_ogg=*/false), /*read_only=*/true)) + return false; + + if(!test_file_(/*is_ogg=*/false, decoder_metadata_callback_null_)) + return false; + + if(0 == (iterator = FLAC__metadata_simple_iterator_new())) + return die_("FLAC__metadata_simple_iterator_new()"); + + if(!FLAC__metadata_simple_iterator_init(iterator, flacfilename(/*is_ogg=*/false), /*read_only=*/false, /*preserve_file_stats=*/false)) + return die_("FLAC__metadata_simple_iterator_init() returned false"); + + printf("is writable = %u\n", (uint32_t)FLAC__metadata_simple_iterator_is_writable(iterator)); + if(FLAC__metadata_simple_iterator_is_writable(iterator)) + return die_("iterator claims file is writable when tester thinks it should not be; are you running as root?\n"); + + printf("iterate forwards\n"); + + if(FLAC__metadata_simple_iterator_get_block_type(iterator) != FLAC__METADATA_TYPE_STREAMINFO) + return die_("expected STREAMINFO type from FLAC__metadata_simple_iterator_get_block_type()"); + if(0 == (block = FLAC__metadata_simple_iterator_get_block(iterator))) + return die_("getting block 0"); + if(block->type != FLAC__METADATA_TYPE_STREAMINFO) + return die_("expected STREAMINFO type"); + if(block->is_last) + return die_("expected is_last to be false"); + if(block->length != FLAC__STREAM_METADATA_STREAMINFO_LENGTH) + return die_("bad STREAMINFO length"); + /* check to see if some basic data matches (c.f. generate_file_()) */ + if(block->data.stream_info.channels != 1) + return die_("mismatch in channels"); + if(block->data.stream_info.bits_per_sample != 8) + return die_("mismatch in bits_per_sample"); + if(block->data.stream_info.sample_rate != 44100) + return die_("mismatch in sample_rate"); + if(block->data.stream_info.min_blocksize != 576) + return die_("mismatch in min_blocksize"); + if(block->data.stream_info.max_blocksize != 576) + return die_("mismatch in max_blocksize"); + FLAC__metadata_object_delete(block); + + if(!FLAC__metadata_simple_iterator_next(iterator)) + return die_("forward iterator ended early"); + our_current_position++; + + if(!FLAC__metadata_simple_iterator_next(iterator)) + return die_("forward iterator ended early"); + our_current_position++; + + if(FLAC__metadata_simple_iterator_get_block_type(iterator) != FLAC__METADATA_TYPE_PADDING) + return die_("expected PADDING type from FLAC__metadata_simple_iterator_get_block_type()"); + if(0 == (block = FLAC__metadata_simple_iterator_get_block(iterator))) + return die_("getting block 2"); + if(block->type != FLAC__METADATA_TYPE_PADDING) + return die_("expected PADDING type"); + if(!block->is_last) + return die_("expected is_last to be true"); + /* check to see if some basic data matches (c.f. generate_file_()) */ + if(block->length != 1234) + return die_("bad PADDING length"); + FLAC__metadata_object_delete(block); + + if(FLAC__metadata_simple_iterator_next(iterator)) + return die_("forward iterator returned true but should have returned false"); + + printf("iterate backwards\n"); + if(!FLAC__metadata_simple_iterator_prev(iterator)) + return die_("reverse iterator ended early"); + if(!FLAC__metadata_simple_iterator_prev(iterator)) + return die_("reverse iterator ended early"); + if(FLAC__metadata_simple_iterator_prev(iterator)) + return die_("reverse iterator returned true but should have returned false"); + + printf("testing FLAC__metadata_simple_iterator_set_block() on read-only file...\n"); + + if(!FLAC__metadata_simple_iterator_set_block(iterator, (FLAC__StreamMetadata*)99, false)) + printf("OK: FLAC__metadata_simple_iterator_set_block() returned false like it should\n"); + else + return die_("FLAC__metadata_simple_iterator_set_block() returned true but shouldn't have"); + + FLAC__metadata_simple_iterator_delete(iterator); + + /************************************************************/ + + printf("simple iterator on writable file\n"); + + if(!change_stats_(flacfilename(/*is_ogg=*/false), /*read-only=*/false)) + return false; + + printf("creating APPLICATION block\n"); + + if(0 == (app = FLAC__metadata_object_new(FLAC__METADATA_TYPE_APPLICATION))) + return die_("FLAC__metadata_object_new(FLAC__METADATA_TYPE_APPLICATION)"); + memcpy(app->data.application.id, "duh", (FLAC__STREAM_METADATA_APPLICATION_ID_LEN/8)); + + printf("creating PADDING block\n"); + + if(0 == (padding = FLAC__metadata_object_new(FLAC__METADATA_TYPE_PADDING))) + return die_("FLAC__metadata_object_new(FLAC__METADATA_TYPE_PADDING)"); + padding->length = 20; + + if(0 == (iterator = FLAC__metadata_simple_iterator_new())) + return die_("FLAC__metadata_simple_iterator_new()"); + + if(!FLAC__metadata_simple_iterator_init(iterator, flacfilename(/*is_ogg=*/false), /*read_only=*/false, /*preserve_file_stats=*/false)) + return die_("FLAC__metadata_simple_iterator_init() returned false"); + our_current_position = 0; + + printf("is writable = %u\n", (uint32_t)FLAC__metadata_simple_iterator_is_writable(iterator)); + + printf("[S]VP\ttry to write over STREAMINFO block...\n"); + if(!FLAC__metadata_simple_iterator_set_block(iterator, app, false)) + printf("\tFLAC__metadata_simple_iterator_set_block() returned false like it should\n"); + else + return die_("FLAC__metadata_simple_iterator_set_block() returned true but shouldn't have"); + + if(FLAC__metadata_simple_iterator_status(iterator) != FLAC__METADATA_SIMPLE_ITERATOR_STATUS_ILLEGAL_INPUT) + return die_("FLAC__metadata_simple_iterator_status() should have been FLAC__METADATA_SIMPLE_ITERATOR_STATUS_ILLEGAL_INPUT"); + + printf("[S]VP\tnext\n"); + if(!FLAC__metadata_simple_iterator_next(iterator)) + return die_("iterator ended early\n"); + our_current_position++; + + printf("S[V]P\tnext\n"); + if(!FLAC__metadata_simple_iterator_next(iterator)) + return die_("iterator ended early\n"); + our_current_position++; + + printf("SV[P]\tinsert PADDING after, don't expand into padding\n"); + padding->length = 25; + if(!FLAC__metadata_simple_iterator_insert_block_after(iterator, padding, false)) + return die_ss_("FLAC__metadata_simple_iterator_insert_block_after(iterator, padding, false)", iterator); + if(!insert_to_our_metadata_(padding, ++our_current_position, /*copy=*/true)) + return false; + + printf("SVP[P]\tprev\n"); + if(!FLAC__metadata_simple_iterator_prev(iterator)) + return die_("iterator ended early\n"); + our_current_position--; + + printf("SV[P]P\tprev\n"); + if(!FLAC__metadata_simple_iterator_prev(iterator)) + return die_("iterator ended early\n"); + our_current_position--; + + printf("S[V]PP\tinsert PADDING after, don't expand into padding\n"); + padding->length = 30; + if(!FLAC__metadata_simple_iterator_insert_block_after(iterator, padding, false)) + return die_ss_("FLAC__metadata_simple_iterator_insert_block_after(iterator, padding, false)", iterator); + if(!insert_to_our_metadata_(padding, ++our_current_position, /*copy=*/true)) + return false; + + if(!test_file_(/*is_ogg=*/false, decoder_metadata_callback_compare_)) + return false; + + printf("SV[P]PP\tprev\n"); + if(!FLAC__metadata_simple_iterator_prev(iterator)) + return die_("iterator ended early\n"); + our_current_position--; + + printf("S[V]PPP\tprev\n"); + if(!FLAC__metadata_simple_iterator_prev(iterator)) + return die_("iterator ended early\n"); + our_current_position--; + + printf("[S]VPPP\tdelete (STREAMINFO block), must fail\n"); + if(FLAC__metadata_simple_iterator_delete_block(iterator, false)) + return die_ss_("FLAC__metadata_simple_iterator_delete_block(iterator, false) should have returned false", iterator); + + if(FLAC__metadata_simple_iterator_status(iterator) != FLAC__METADATA_SIMPLE_ITERATOR_STATUS_ILLEGAL_INPUT) + return die_("FLAC__metadata_simple_iterator_status() should have been FLAC__METADATA_SIMPLE_ITERATOR_STATUS_ILLEGAL_INPUT"); + + if(!test_file_(/*is_ogg=*/false, decoder_metadata_callback_compare_)) + return false; + + printf("[S]VPPP\tnext\n"); + if(!FLAC__metadata_simple_iterator_next(iterator)) + return die_("iterator ended early\n"); + our_current_position++; + + printf("S[V]PPP\tnext\n"); + if(!FLAC__metadata_simple_iterator_next(iterator)) + return die_("iterator ended early\n"); + our_current_position++; + + printf("SV[P]PP\tdelete (middle block), replace with padding\n"); + if(!FLAC__metadata_simple_iterator_delete_block(iterator, true)) + return die_ss_("FLAC__metadata_simple_iterator_delete_block(iterator, true)", iterator); + our_current_position--; + + printf("S[V]PPP\tnext\n"); + if(!FLAC__metadata_simple_iterator_next(iterator)) + return die_("iterator ended early\n"); + our_current_position++; + + printf("SV[P]PP\tdelete (middle block), don't replace with padding\n"); + if(!FLAC__metadata_simple_iterator_delete_block(iterator, false)) + return die_ss_("FLAC__metadata_simple_iterator_delete_block(iterator, false)", iterator); + delete_from_our_metadata_(our_current_position--); + + if(!test_file_(/*is_ogg=*/false, decoder_metadata_callback_compare_)) + return false; + + printf("S[V]PP\tnext\n"); + if(!FLAC__metadata_simple_iterator_next(iterator)) + return die_("iterator ended early\n"); + our_current_position++; + + printf("SV[P]P\tnext\n"); + if(!FLAC__metadata_simple_iterator_next(iterator)) + return die_("iterator ended early\n"); + our_current_position++; + + printf("SVP[P]\tdelete (last block), replace with padding\n"); + if(!FLAC__metadata_simple_iterator_delete_block(iterator, true)) + return die_ss_("FLAC__metadata_simple_iterator_delete_block(iterator, false)", iterator); + our_current_position--; + + if(!test_file_(/*is_ogg=*/false, decoder_metadata_callback_compare_)) + return false; + + printf("SV[P]P\tnext\n"); + if(!FLAC__metadata_simple_iterator_next(iterator)) + return die_("iterator ended early\n"); + our_current_position++; + + printf("SVP[P]\tdelete (last block), don't replace with padding\n"); + if(!FLAC__metadata_simple_iterator_delete_block(iterator, false)) + return die_ss_("FLAC__metadata_simple_iterator_delete_block(iterator, false)", iterator); + delete_from_our_metadata_(our_current_position--); + + if(!test_file_(/*is_ogg=*/false, decoder_metadata_callback_compare_)) + return false; + + printf("SV[P]\tprev\n"); + if(!FLAC__metadata_simple_iterator_prev(iterator)) + return die_("iterator ended early\n"); + our_current_position--; + + printf("S[V]P\tprev\n"); + if(!FLAC__metadata_simple_iterator_prev(iterator)) + return die_("iterator ended early\n"); + our_current_position--; + + printf("[S]VP\tset STREAMINFO (change sample rate)\n"); + FLAC__ASSERT(our_current_position == 0); + block = FLAC__metadata_simple_iterator_get_block(iterator); + block->data.stream_info.sample_rate = 32000; + if(!replace_in_our_metadata_(block, our_current_position, /*copy=*/true)) + return die_("copying object"); + if(!FLAC__metadata_simple_iterator_set_block(iterator, block, false)) + return die_ss_("FLAC__metadata_simple_iterator_set_block(iterator, block, false)", iterator); + FLAC__metadata_object_delete(block); + + if(!test_file_(/*is_ogg=*/false, decoder_metadata_callback_compare_)) + return false; + + printf("[S]VP\tnext\n"); + if(!FLAC__metadata_simple_iterator_next(iterator)) + return die_("iterator ended early\n"); + our_current_position++; + + printf("S[V]P\tinsert APPLICATION after, expand into padding of exceeding size\n"); + app->data.application.id[0] = 'e'; /* twiddle the id so that our comparison doesn't miss transposition */ + if(!FLAC__metadata_simple_iterator_insert_block_after(iterator, app, true)) + return die_ss_("FLAC__metadata_simple_iterator_insert_block_after(iterator, app, true)", iterator); + if(!insert_to_our_metadata_(app, ++our_current_position, /*copy=*/true)) + return false; + our_metadata_.blocks[our_current_position+1]->length -= (FLAC__STREAM_METADATA_APPLICATION_ID_LEN/8) + app->length; + + if(!test_file_(/*is_ogg=*/false, decoder_metadata_callback_compare_)) + return false; + + printf("SV[A]P\tnext\n"); + if(!FLAC__metadata_simple_iterator_next(iterator)) + return die_("iterator ended early\n"); + our_current_position++; + + printf("SVA[P]\tset APPLICATION, expand into padding of exceeding size\n"); + app->data.application.id[0] = 'f'; /* twiddle the id */ + if(!FLAC__metadata_simple_iterator_set_block(iterator, app, true)) + return die_ss_("FLAC__metadata_simple_iterator_set_block(iterator, app, true)", iterator); + if(!insert_to_our_metadata_(app, our_current_position, /*copy=*/true)) + return false; + our_metadata_.blocks[our_current_position+1]->length -= (FLAC__STREAM_METADATA_APPLICATION_ID_LEN/8) + app->length; + + if(!test_file_(/*is_ogg=*/false, decoder_metadata_callback_compare_)) + return false; + + printf("SVA[A]P\tset APPLICATION (grow), don't expand into padding\n"); + app->data.application.id[0] = 'g'; /* twiddle the id */ + if(!FLAC__metadata_object_application_set_data(app, data, sizeof(data), true)) + return die_("setting APPLICATION data"); + if(!replace_in_our_metadata_(app, our_current_position, /*copy=*/true)) + return die_("copying object"); + if(!FLAC__metadata_simple_iterator_set_block(iterator, app, false)) + return die_ss_("FLAC__metadata_simple_iterator_set_block(iterator, app, false)", iterator); + + if(!test_file_(/*is_ogg=*/false, decoder_metadata_callback_compare_)) + return false; + + printf("SVA[A]P\tset APPLICATION (shrink), don't fill in with padding\n"); + app->data.application.id[0] = 'h'; /* twiddle the id */ + if(!FLAC__metadata_object_application_set_data(app, data, 12, true)) + return die_("setting APPLICATION data"); + if(!replace_in_our_metadata_(app, our_current_position, /*copy=*/true)) + return die_("copying object"); + if(!FLAC__metadata_simple_iterator_set_block(iterator, app, false)) + return die_ss_("FLAC__metadata_simple_iterator_set_block(iterator, app, false)", iterator); + + if(!test_file_(/*is_ogg=*/false, decoder_metadata_callback_compare_)) + return false; + + printf("SVA[A]P\tset APPLICATION (grow), expand into padding of exceeding size\n"); + app->data.application.id[0] = 'i'; /* twiddle the id */ + if(!FLAC__metadata_object_application_set_data(app, data, sizeof(data), true)) + return die_("setting APPLICATION data"); + if(!replace_in_our_metadata_(app, our_current_position, /*copy=*/true)) + return die_("copying object"); + our_metadata_.blocks[our_current_position+1]->length -= (sizeof(data) - 12); + if(!FLAC__metadata_simple_iterator_set_block(iterator, app, true)) + return die_ss_("FLAC__metadata_simple_iterator_set_block(iterator, app, true)", iterator); + + if(!test_file_(/*is_ogg=*/false, decoder_metadata_callback_compare_)) + return false; + + printf("SVA[A]P\tset APPLICATION (shrink), fill in with padding\n"); + app->data.application.id[0] = 'j'; /* twiddle the id */ + if(!FLAC__metadata_object_application_set_data(app, data, 23, true)) + return die_("setting APPLICATION data"); + if(!replace_in_our_metadata_(app, our_current_position, /*copy=*/true)) + return die_("copying object"); + if(!insert_to_our_metadata_(padding, our_current_position+1, /*copy=*/true)) + return die_("copying object"); + our_metadata_.blocks[our_current_position+1]->length = sizeof(data) - 23 - FLAC__STREAM_METADATA_HEADER_LENGTH; + if(!FLAC__metadata_simple_iterator_set_block(iterator, app, true)) + return die_ss_("FLAC__metadata_simple_iterator_set_block(iterator, app, true)", iterator); + + if(!test_file_(/*is_ogg=*/false, decoder_metadata_callback_compare_)) + return false; + + printf("SVA[A]PP\tnext\n"); + if(!FLAC__metadata_simple_iterator_next(iterator)) + return die_("iterator ended early\n"); + our_current_position++; + + printf("SVAA[P]P\tnext\n"); + if(!FLAC__metadata_simple_iterator_next(iterator)) + return die_("iterator ended early\n"); + our_current_position++; + + printf("SVAAP[P]\tset PADDING (shrink), don't fill in with padding\n"); + padding->length = 5; + if(!replace_in_our_metadata_(padding, our_current_position, /*copy=*/true)) + return die_("copying object"); + if(!FLAC__metadata_simple_iterator_set_block(iterator, padding, false)) + return die_ss_("FLAC__metadata_simple_iterator_set_block(iterator, padding, false)", iterator); + + if(!test_file_(/*is_ogg=*/false, decoder_metadata_callback_compare_)) + return false; + + printf("SVAAP[P]\tset APPLICATION (grow)\n"); + app->data.application.id[0] = 'k'; /* twiddle the id */ + if(!replace_in_our_metadata_(app, our_current_position, /*copy=*/true)) + return die_("copying object"); + if(!FLAC__metadata_simple_iterator_set_block(iterator, app, false)) + return die_ss_("FLAC__metadata_simple_iterator_set_block(iterator, app, false)", iterator); + + if(!test_file_(/*is_ogg=*/false, decoder_metadata_callback_compare_)) + return false; + + printf("SVAAP[A]\tset PADDING (equal)\n"); + padding->length = 27; + if(!replace_in_our_metadata_(padding, our_current_position, /*copy=*/true)) + return die_("copying object"); + if(!FLAC__metadata_simple_iterator_set_block(iterator, padding, false)) + return die_ss_("FLAC__metadata_simple_iterator_set_block(iterator, padding, false)", iterator); + + if(!test_file_(/*is_ogg=*/false, decoder_metadata_callback_compare_)) + return false; + + printf("SVAAP[P]\tprev\n"); + if(!FLAC__metadata_simple_iterator_prev(iterator)) + return die_("iterator ended early\n"); + our_current_position--; + + printf("SVAA[P]P\tdelete (middle block), don't replace with padding\n"); + if(!FLAC__metadata_simple_iterator_delete_block(iterator, false)) + return die_ss_("FLAC__metadata_simple_iterator_delete_block(iterator, false)", iterator); + delete_from_our_metadata_(our_current_position--); + + if(!test_file_(/*is_ogg=*/false, decoder_metadata_callback_compare_)) + return false; + + printf("SVA[A]P\tdelete (middle block), don't replace with padding\n"); + if(!FLAC__metadata_simple_iterator_delete_block(iterator, false)) + return die_ss_("FLAC__metadata_simple_iterator_delete_block(iterator, false)", iterator); + delete_from_our_metadata_(our_current_position--); + + if(!test_file_(/*is_ogg=*/false, decoder_metadata_callback_compare_)) + return false; + + printf("SV[A]P\tnext\n"); + if(!FLAC__metadata_simple_iterator_next(iterator)) + return die_("iterator ended early\n"); + our_current_position++; + + printf("SVA[P]\tinsert PADDING after\n"); + padding->length = 5; + if(!FLAC__metadata_simple_iterator_insert_block_after(iterator, padding, false)) + return die_ss_("FLAC__metadata_simple_iterator_insert_block_after(iterator, padding, false)", iterator); + if(!insert_to_our_metadata_(padding, ++our_current_position, /*copy=*/true)) + return false; + + if(!test_file_(/*is_ogg=*/false, decoder_metadata_callback_compare_)) + return false; + + printf("SVAP[P]\tprev\n"); + if(!FLAC__metadata_simple_iterator_prev(iterator)) + return die_("iterator ended early\n"); + our_current_position--; + + printf("SVA[P]P\tprev\n"); + if(!FLAC__metadata_simple_iterator_prev(iterator)) + return die_("iterator ended early\n"); + our_current_position--; + + printf("SV[A]PP\tset APPLICATION (grow), try to expand into padding which is too small\n"); + if(!FLAC__metadata_object_application_set_data(app, data, 32, true)) + return die_("setting APPLICATION data"); + if(!replace_in_our_metadata_(app, our_current_position, /*copy=*/true)) + return die_("copying object"); + if(!FLAC__metadata_simple_iterator_set_block(iterator, app, true)) + return die_ss_("FLAC__metadata_simple_iterator_set_block(iterator, app, true)", iterator); + + if(!test_file_(/*is_ogg=*/false, decoder_metadata_callback_compare_)) + return false; + + printf("SV[A]PP\tset APPLICATION (grow), try to expand into padding which is 'close' but still too small\n"); + if(!FLAC__metadata_object_application_set_data(app, data, 60, true)) + return die_("setting APPLICATION data"); + if(!replace_in_our_metadata_(app, our_current_position, /*copy=*/true)) + return die_("copying object"); + if(!FLAC__metadata_simple_iterator_set_block(iterator, app, true)) + return die_ss_("FLAC__metadata_simple_iterator_set_block(iterator, app, true)", iterator); + + if(!test_file_(/*is_ogg=*/false, decoder_metadata_callback_compare_)) + return false; + + printf("SV[A]PP\tset APPLICATION (grow), expand into padding which will leave 0-length pad\n"); + if(!FLAC__metadata_object_application_set_data(app, data, 87, true)) + return die_("setting APPLICATION data"); + if(!replace_in_our_metadata_(app, our_current_position, /*copy=*/true)) + return die_("copying object"); + our_metadata_.blocks[our_current_position+1]->length = 0; + if(!FLAC__metadata_simple_iterator_set_block(iterator, app, true)) + return die_ss_("FLAC__metadata_simple_iterator_set_block(iterator, app, true)", iterator); + + if(!test_file_(/*is_ogg=*/false, decoder_metadata_callback_compare_)) + return false; + + printf("SV[A]PP\tset APPLICATION (grow), expand into padding which is exactly consumed\n"); + if(!FLAC__metadata_object_application_set_data(app, data, 91, true)) + return die_("setting APPLICATION data"); + if(!replace_in_our_metadata_(app, our_current_position, /*copy=*/true)) + return die_("copying object"); + delete_from_our_metadata_(our_current_position+1); + if(!FLAC__metadata_simple_iterator_set_block(iterator, app, true)) + return die_ss_("FLAC__metadata_simple_iterator_set_block(iterator, app, true)", iterator); + + if(!test_file_(/*is_ogg=*/false, decoder_metadata_callback_compare_)) + return false; + + printf("SV[A]P\tset APPLICATION (grow), expand into padding which is exactly consumed\n"); + if(!FLAC__metadata_object_application_set_data(app, data, 100, true)) + return die_("setting APPLICATION data"); + if(!replace_in_our_metadata_(app, our_current_position, /*copy=*/true)) + return die_("copying object"); + delete_from_our_metadata_(our_current_position+1); + our_metadata_.blocks[our_current_position]->is_last = true; + if(!FLAC__metadata_simple_iterator_set_block(iterator, app, true)) + return die_ss_("FLAC__metadata_simple_iterator_set_block(iterator, app, true)", iterator); + + if(!test_file_(/*is_ogg=*/false, decoder_metadata_callback_compare_)) + return false; + + printf("SV[A]\tset PADDING (equal size)\n"); + padding->length = app->length; + if(!replace_in_our_metadata_(padding, our_current_position, /*copy=*/true)) + return die_("copying object"); + if(!FLAC__metadata_simple_iterator_set_block(iterator, padding, true)) + return die_ss_("FLAC__metadata_simple_iterator_set_block(iterator, padding, true)", iterator); + + if(!test_file_(/*is_ogg=*/false, decoder_metadata_callback_compare_)) + return false; + + printf("SV[P]\tinsert PADDING after\n"); + if(!FLAC__metadata_simple_iterator_insert_block_after(iterator, padding, false)) + return die_ss_("FLAC__metadata_simple_iterator_insert_block_after(iterator, padding, false)", iterator); + if(!insert_to_our_metadata_(padding, ++our_current_position, /*copy=*/true)) + return false; + + if(!test_file_(/*is_ogg=*/false, decoder_metadata_callback_compare_)) + return false; + + printf("SVP[P]\tinsert PADDING after\n"); + padding->length = 5; + if(!FLAC__metadata_simple_iterator_insert_block_after(iterator, padding, false)) + return die_ss_("FLAC__metadata_simple_iterator_insert_block_after(iterator, padding, false)", iterator); + if(!insert_to_our_metadata_(padding, ++our_current_position, /*copy=*/true)) + return false; + + if(!test_file_(/*is_ogg=*/false, decoder_metadata_callback_compare_)) + return false; + + printf("SVPP[P]\tprev\n"); + if(!FLAC__metadata_simple_iterator_prev(iterator)) + return die_("iterator ended early\n"); + our_current_position--; + + printf("SVP[P]P\tprev\n"); + if(!FLAC__metadata_simple_iterator_prev(iterator)) + return die_("iterator ended early\n"); + our_current_position--; + + printf("SV[P]PP\tprev\n"); + if(!FLAC__metadata_simple_iterator_prev(iterator)) + return die_("iterator ended early\n"); + our_current_position--; + + printf("S[V]PPP\tinsert APPLICATION after, try to expand into padding which is too small\n"); + if(!FLAC__metadata_object_application_set_data(app, data, 101, true)) + return die_("setting APPLICATION data"); + if(!insert_to_our_metadata_(app, ++our_current_position, /*copy=*/true)) + return die_("copying object"); + if(!FLAC__metadata_simple_iterator_insert_block_after(iterator, app, true)) + return die_ss_("FLAC__metadata_simple_iterator_insert_block_after(iterator, app, true)", iterator); + + if(!test_file_(/*is_ogg=*/false, decoder_metadata_callback_compare_)) + return false; + + printf("SV[A]PPP\tdelete (middle block), don't replace with padding\n"); + if(!FLAC__metadata_simple_iterator_delete_block(iterator, false)) + return die_ss_("FLAC__metadata_simple_iterator_delete_block(iterator, false)", iterator); + delete_from_our_metadata_(our_current_position--); + + if(!test_file_(/*is_ogg=*/false, decoder_metadata_callback_compare_)) + return false; + + printf("S[V]PPP\tinsert APPLICATION after, try to expand into padding which is 'close' but still too small\n"); + if(!FLAC__metadata_object_application_set_data(app, data, 97, true)) + return die_("setting APPLICATION data"); + if(!insert_to_our_metadata_(app, ++our_current_position, /*copy=*/true)) + return die_("copying object"); + if(!FLAC__metadata_simple_iterator_insert_block_after(iterator, app, true)) + return die_ss_("FLAC__metadata_simple_iterator_insert_block_after(iterator, app, true)", iterator); + + if(!test_file_(/*is_ogg=*/false, decoder_metadata_callback_compare_)) + return false; + + printf("SV[A]PPP\tdelete (middle block), don't replace with padding\n"); + if(!FLAC__metadata_simple_iterator_delete_block(iterator, false)) + return die_ss_("FLAC__metadata_simple_iterator_delete_block(iterator, false)", iterator); + delete_from_our_metadata_(our_current_position--); + + if(!test_file_(/*is_ogg=*/false, decoder_metadata_callback_compare_)) + return false; + + printf("S[V]PPP\tinsert APPLICATION after, expand into padding which is exactly consumed\n"); + if(!FLAC__metadata_object_application_set_data(app, data, 100, true)) + return die_("setting APPLICATION data"); + if(!insert_to_our_metadata_(app, ++our_current_position, /*copy=*/true)) + return die_("copying object"); + delete_from_our_metadata_(our_current_position+1); + if(!FLAC__metadata_simple_iterator_insert_block_after(iterator, app, true)) + return die_ss_("FLAC__metadata_simple_iterator_insert_block_after(iterator, app, true)", iterator); + + if(!test_file_(/*is_ogg=*/false, decoder_metadata_callback_compare_)) + return false; + + printf("SV[A]PP\tdelete (middle block), don't replace with padding\n"); + if(!FLAC__metadata_simple_iterator_delete_block(iterator, false)) + return die_ss_("FLAC__metadata_simple_iterator_delete_block(iterator, false)", iterator); + delete_from_our_metadata_(our_current_position--); + + if(!test_file_(/*is_ogg=*/false, decoder_metadata_callback_compare_)) + return false; + + printf("S[V]PP\tinsert APPLICATION after, expand into padding which will leave 0-length pad\n"); + if(!FLAC__metadata_object_application_set_data(app, data, 96, true)) + return die_("setting APPLICATION data"); + if(!insert_to_our_metadata_(app, ++our_current_position, /*copy=*/true)) + return die_("copying object"); + our_metadata_.blocks[our_current_position+1]->length = 0; + if(!FLAC__metadata_simple_iterator_insert_block_after(iterator, app, true)) + return die_ss_("FLAC__metadata_simple_iterator_insert_block_after(iterator, app, true)", iterator); + + if(!test_file_(/*is_ogg=*/false, decoder_metadata_callback_compare_)) + return false; + + printf("SV[A]PP\tdelete (middle block), don't replace with padding\n"); + if(!FLAC__metadata_simple_iterator_delete_block(iterator, false)) + return die_ss_("FLAC__metadata_simple_iterator_delete_block(iterator, false)", iterator); + delete_from_our_metadata_(our_current_position--); + + if(!test_file_(/*is_ogg=*/false, decoder_metadata_callback_compare_)) + return false; + + printf("S[V]PP\tnext\n"); + if(!FLAC__metadata_simple_iterator_next(iterator)) + return die_("iterator ended early\n"); + our_current_position++; + + printf("SV[P]P\tdelete (middle block), don't replace with padding\n"); + if(!FLAC__metadata_simple_iterator_delete_block(iterator, false)) + return die_ss_("FLAC__metadata_simple_iterator_delete_block(iterator, false)", iterator); + delete_from_our_metadata_(our_current_position--); + + if(!test_file_(/*is_ogg=*/false, decoder_metadata_callback_compare_)) + return false; + + printf("S[V]P\tinsert APPLICATION after, expand into padding which is exactly consumed\n"); + if(!FLAC__metadata_object_application_set_data(app, data, 1, true)) + return die_("setting APPLICATION data"); + if(!insert_to_our_metadata_(app, ++our_current_position, /*copy=*/true)) + return die_("copying object"); + delete_from_our_metadata_(our_current_position+1); + if(!FLAC__metadata_simple_iterator_insert_block_after(iterator, app, true)) + return die_ss_("FLAC__metadata_simple_iterator_insert_block_after(iterator, app, true)", iterator); + + if(!test_file_(/*is_ogg=*/false, decoder_metadata_callback_compare_)) + return false; + + printf("delete simple iterator\n"); + + FLAC__metadata_simple_iterator_delete(iterator); + + FLAC__metadata_object_delete(app); + FLAC__metadata_object_delete(padding); + + if(!remove_file_(flacfilename(/*is_ogg=*/false))) + return false; + + return true; +} + +static FLAC__bool test_level_2_(FLAC__bool filename_based, FLAC__bool is_ogg) +{ + FLAC__Metadata_Iterator *iterator; + FLAC__Metadata_Chain *chain; + FLAC__StreamMetadata *block, *app, *padding; + FLAC__byte data[2000]; + uint32_t our_current_position; + + /* initialize 'data' to avoid Valgrind errors */ + memset(data, 0, sizeof(data)); + + printf("\n\n++++++ testing level 2 interface (%s-based, %s FLAC)\n", filename_based? "filename":"callback", is_ogg? "Ogg":"native"); + + printf("generate read-only file\n"); + + if(!generate_file_(/*include_extras=*/false, is_ogg)) + return false; + + if(!change_stats_(flacfilename(is_ogg), /*read_only=*/true)) + return false; + + printf("create chain\n"); + + if(0 == (chain = FLAC__metadata_chain_new())) + return die_("allocating chain"); + + printf("read chain\n"); + + if(!read_chain_(chain, flacfilename(is_ogg), filename_based, is_ogg)) + return die_c_("reading chain", FLAC__metadata_chain_status(chain)); + + printf("[S]VP\ttest initial metadata\n"); + + if(!compare_chain_(chain, 0, 0)) + return false; + if(!test_file_(is_ogg, decoder_metadata_callback_compare_)) + return false; + + if(is_ogg) + goto end; + + printf("switch file to read-write\n"); + + if(!change_stats_(flacfilename(is_ogg), /*read-only=*/false)) + return false; + + printf("create iterator\n"); + if(0 == (iterator = FLAC__metadata_iterator_new())) + return die_("allocating memory for iterator"); + + our_current_position = 0; + + FLAC__metadata_iterator_init(iterator, chain); + + if(0 == (block = FLAC__metadata_iterator_get_block(iterator))) + return die_("getting block from iterator"); + + FLAC__ASSERT(block->type == FLAC__METADATA_TYPE_STREAMINFO); + + printf("[S]VP\tmodify STREAMINFO, write\n"); + + block->data.stream_info.sample_rate = 32000; + if(!replace_in_our_metadata_(block, our_current_position, /*copy=*/true)) + return die_("copying object"); + + if(!write_chain_(chain, /*use_padding=*/false, /*preserve_file_stats=*/true, filename_based, flacfilename(is_ogg))) + return die_c_("during FLAC__metadata_chain_write(chain, false, true)", FLAC__metadata_chain_status(chain)); + if(!compare_chain_(chain, our_current_position, FLAC__metadata_iterator_get_block(iterator))) + return false; + if(!test_file_(is_ogg, decoder_metadata_callback_compare_)) + return false; + + printf("[S]VP\tnext\n"); + if(!FLAC__metadata_iterator_next(iterator)) + return die_("iterator ended early\n"); + our_current_position++; + + printf("S[V]P\tnext\n"); + if(!FLAC__metadata_iterator_next(iterator)) + return die_("iterator ended early\n"); + our_current_position++; + + printf("SV[P]\treplace PADDING with identical-size APPLICATION\n"); + if(0 == (block = FLAC__metadata_iterator_get_block(iterator))) + return die_("getting block from iterator"); + if(0 == (app = FLAC__metadata_object_new(FLAC__METADATA_TYPE_APPLICATION))) + return die_("FLAC__metadata_object_new(FLAC__METADATA_TYPE_APPLICATION)"); + memcpy(app->data.application.id, "duh", (FLAC__STREAM_METADATA_APPLICATION_ID_LEN/8)); + if(!FLAC__metadata_object_application_set_data(app, data, block->length-(FLAC__STREAM_METADATA_APPLICATION_ID_LEN/8), true)) + return die_("setting APPLICATION data"); + if(!replace_in_our_metadata_(app, our_current_position, /*copy=*/true)) + return die_("copying object"); + if(!FLAC__metadata_iterator_set_block(iterator, app)) + return die_c_("FLAC__metadata_iterator_set_block(iterator, app)", FLAC__metadata_chain_status(chain)); + + if(!write_chain_(chain, /*use_padding=*/false, /*preserve_file_stats=*/false, filename_based, flacfilename(is_ogg))) + return die_c_("during FLAC__metadata_chain_write(chain, false, false)", FLAC__metadata_chain_status(chain)); + if(!compare_chain_(chain, our_current_position, FLAC__metadata_iterator_get_block(iterator))) + return false; + if(!test_file_(is_ogg, decoder_metadata_callback_compare_)) + return false; + + printf("SV[A]\tshrink APPLICATION, don't use padding\n"); + if(0 == (app = FLAC__metadata_object_clone(our_metadata_.blocks[our_current_position]))) + return die_("copying object"); + if(!FLAC__metadata_object_application_set_data(app, data, 26, true)) + return die_("setting APPLICATION data"); + if(!replace_in_our_metadata_(app, our_current_position, /*copy=*/true)) + return die_("copying object"); + if(!FLAC__metadata_iterator_set_block(iterator, app)) + return die_c_("FLAC__metadata_iterator_set_block(iterator, app)", FLAC__metadata_chain_status(chain)); + + if(!write_chain_(chain, /*use_padding=*/false, /*preserve_file_stats=*/false, filename_based, flacfilename(is_ogg))) + return die_c_("during FLAC__metadata_chain_write(chain, false, false)", FLAC__metadata_chain_status(chain)); + if(!compare_chain_(chain, our_current_position, FLAC__metadata_iterator_get_block(iterator))) + return false; + if(!test_file_(is_ogg, decoder_metadata_callback_compare_)) + return false; + + printf("SV[A]\tgrow APPLICATION, don't use padding\n"); + if(0 == (app = FLAC__metadata_object_clone(our_metadata_.blocks[our_current_position]))) + return die_("copying object"); + if(!FLAC__metadata_object_application_set_data(app, data, 28, true)) + return die_("setting APPLICATION data"); + if(!replace_in_our_metadata_(app, our_current_position, /*copy=*/true)) + return die_("copying object"); + if(!FLAC__metadata_iterator_set_block(iterator, app)) + return die_c_("FLAC__metadata_iterator_set_block(iterator, app)", FLAC__metadata_chain_status(chain)); + + if(!write_chain_(chain, /*use_padding=*/false, /*preserve_file_stats=*/false, filename_based, flacfilename(is_ogg))) + return die_c_("during FLAC__metadata_chain_write(chain, false, false)", FLAC__metadata_chain_status(chain)); + if(!compare_chain_(chain, our_current_position, FLAC__metadata_iterator_get_block(iterator))) + return false; + if(!test_file_(is_ogg, decoder_metadata_callback_compare_)) + return false; + + printf("SV[A]\tgrow APPLICATION, use padding, but last block is not padding\n"); + if(0 == (app = FLAC__metadata_object_clone(our_metadata_.blocks[our_current_position]))) + return die_("copying object"); + if(!FLAC__metadata_object_application_set_data(app, data, 36, true)) + return die_("setting APPLICATION data"); + if(!replace_in_our_metadata_(app, our_current_position, /*copy=*/true)) + return die_("copying object"); + if(!FLAC__metadata_iterator_set_block(iterator, app)) + return die_c_("FLAC__metadata_iterator_set_block(iterator, app)", FLAC__metadata_chain_status(chain)); + + if(!write_chain_(chain, /*use_padding=*/false, /*preserve_file_stats=*/false, filename_based, flacfilename(is_ogg))) + return die_c_("during FLAC__metadata_chain_write(chain, false, false)", FLAC__metadata_chain_status(chain)); + if(!compare_chain_(chain, our_current_position, FLAC__metadata_iterator_get_block(iterator))) + return false; + if(!test_file_(is_ogg, decoder_metadata_callback_compare_)) + return false; + + printf("SV[A]\tshrink APPLICATION, use padding, last block is not padding, but delta is too small for new PADDING block\n"); + if(0 == (app = FLAC__metadata_object_clone(our_metadata_.blocks[our_current_position]))) + return die_("copying object"); + if(!FLAC__metadata_object_application_set_data(app, data, 33, true)) + return die_("setting APPLICATION data"); + if(!replace_in_our_metadata_(app, our_current_position, /*copy=*/true)) + return die_("copying object"); + if(!FLAC__metadata_iterator_set_block(iterator, app)) + return die_c_("FLAC__metadata_iterator_set_block(iterator, app)", FLAC__metadata_chain_status(chain)); + + if(!write_chain_(chain, /*use_padding=*/true, /*preserve_file_stats=*/false, filename_based, flacfilename(is_ogg))) + return die_c_("during FLAC__metadata_chain_write(chain, true, false)", FLAC__metadata_chain_status(chain)); + if(!compare_chain_(chain, our_current_position, FLAC__metadata_iterator_get_block(iterator))) + return false; + if(!test_file_(is_ogg, decoder_metadata_callback_compare_)) + return false; + + printf("SV[A]\tshrink APPLICATION, use padding, last block is not padding, delta is enough for new PADDING block\n"); + if(0 == (padding = FLAC__metadata_object_new(FLAC__METADATA_TYPE_PADDING))) + return die_("creating PADDING block"); + if(0 == (app = FLAC__metadata_object_clone(our_metadata_.blocks[our_current_position]))) + return die_("copying object"); + if(!FLAC__metadata_object_application_set_data(app, data, 29, true)) + return die_("setting APPLICATION data"); + if(!replace_in_our_metadata_(app, our_current_position, /*copy=*/true)) + return die_("copying object"); + padding->length = 0; + if(!insert_to_our_metadata_(padding, our_current_position+1, /*copy=*/false)) + return die_("internal error"); + if(!FLAC__metadata_iterator_set_block(iterator, app)) + return die_c_("FLAC__metadata_iterator_set_block(iterator, app)", FLAC__metadata_chain_status(chain)); + + if(!write_chain_(chain, /*use_padding=*/true, /*preserve_file_stats=*/false, filename_based, flacfilename(is_ogg))) + return die_c_("during FLAC__metadata_chain_write(chain, true, false)", FLAC__metadata_chain_status(chain)); + if(!compare_chain_(chain, our_current_position, FLAC__metadata_iterator_get_block(iterator))) + return false; + if(!test_file_(is_ogg, decoder_metadata_callback_compare_)) + return false; + + printf("SV[A]P\tshrink APPLICATION, use padding, last block is padding\n"); + if(0 == (app = FLAC__metadata_object_clone(our_metadata_.blocks[our_current_position]))) + return die_("copying object"); + if(!FLAC__metadata_object_application_set_data(app, data, 16, true)) + return die_("setting APPLICATION data"); + if(!replace_in_our_metadata_(app, our_current_position, /*copy=*/true)) + return die_("copying object"); + our_metadata_.blocks[our_current_position+1]->length = 13; + if(!FLAC__metadata_iterator_set_block(iterator, app)) + return die_c_("FLAC__metadata_iterator_set_block(iterator, app)", FLAC__metadata_chain_status(chain)); + + if(!write_chain_(chain, /*use_padding=*/true, /*preserve_file_stats=*/false, filename_based, flacfilename(is_ogg))) + return die_c_("during FLAC__metadata_chain_write(chain, true, false)", FLAC__metadata_chain_status(chain)); + if(!compare_chain_(chain, our_current_position, FLAC__metadata_iterator_get_block(iterator))) + return false; + if(!test_file_(is_ogg, decoder_metadata_callback_compare_)) + return false; + + printf("SV[A]P\tgrow APPLICATION, use padding, last block is padding, but delta is too small\n"); + if(0 == (app = FLAC__metadata_object_clone(our_metadata_.blocks[our_current_position]))) + return die_("copying object"); + if(!FLAC__metadata_object_application_set_data(app, data, 50, true)) + return die_("setting APPLICATION data"); + if(!replace_in_our_metadata_(app, our_current_position, /*copy=*/true)) + return die_("copying object"); + if(!FLAC__metadata_iterator_set_block(iterator, app)) + return die_c_("FLAC__metadata_iterator_set_block(iterator, app)", FLAC__metadata_chain_status(chain)); + + if(!write_chain_(chain, /*use_padding=*/true, /*preserve_file_stats=*/false, filename_based, flacfilename(is_ogg))) + return die_c_("during FLAC__metadata_chain_write(chain, true, false)", FLAC__metadata_chain_status(chain)); + if(!compare_chain_(chain, our_current_position, FLAC__metadata_iterator_get_block(iterator))) + return false; + if(!test_file_(is_ogg, decoder_metadata_callback_compare_)) + return false; + + printf("SV[A]P\tgrow APPLICATION, use padding, last block is padding of exceeding size\n"); + if(0 == (app = FLAC__metadata_object_clone(our_metadata_.blocks[our_current_position]))) + return die_("copying object"); + if(!FLAC__metadata_object_application_set_data(app, data, 56, true)) + return die_("setting APPLICATION data"); + if(!replace_in_our_metadata_(app, our_current_position, /*copy=*/true)) + return die_("copying object"); + our_metadata_.blocks[our_current_position+1]->length -= (56 - 50); + if(!FLAC__metadata_iterator_set_block(iterator, app)) + return die_c_("FLAC__metadata_iterator_set_block(iterator, app)", FLAC__metadata_chain_status(chain)); + + if(!write_chain_(chain, /*use_padding=*/true, /*preserve_file_stats=*/false, filename_based, flacfilename(is_ogg))) + return die_c_("during FLAC__metadata_chain_write(chain, true, false)", FLAC__metadata_chain_status(chain)); + if(!compare_chain_(chain, our_current_position, FLAC__metadata_iterator_get_block(iterator))) + return false; + if(!test_file_(is_ogg, decoder_metadata_callback_compare_)) + return false; + + printf("SV[A]P\tgrow APPLICATION, use padding, last block is padding of exact size\n"); + if(0 == (app = FLAC__metadata_object_clone(our_metadata_.blocks[our_current_position]))) + return die_("copying object"); + if(!FLAC__metadata_object_application_set_data(app, data, 67, true)) + return die_("setting APPLICATION data"); + if(!replace_in_our_metadata_(app, our_current_position, /*copy=*/true)) + return die_("copying object"); + delete_from_our_metadata_(our_current_position+1); + if(!FLAC__metadata_iterator_set_block(iterator, app)) + return die_c_("FLAC__metadata_iterator_set_block(iterator, app)", FLAC__metadata_chain_status(chain)); + + if(!write_chain_(chain, /*use_padding=*/true, /*preserve_file_stats=*/false, filename_based, flacfilename(is_ogg))) + return die_c_("during FLAC__metadata_chain_write(chain, true, false)", FLAC__metadata_chain_status(chain)); + if(!compare_chain_(chain, our_current_position, FLAC__metadata_iterator_get_block(iterator))) + return false; + if(!test_file_(is_ogg, decoder_metadata_callback_compare_)) + return false; + + printf("SV[A]\tprev\n"); + if(!FLAC__metadata_iterator_prev(iterator)) + return die_("iterator ended early\n"); + our_current_position--; + + printf("S[V]A\tprev\n"); + if(!FLAC__metadata_iterator_prev(iterator)) + return die_("iterator ended early\n"); + our_current_position--; + + printf("[S]VA\tinsert PADDING before STREAMINFO (should fail)\n"); + if(0 == (padding = FLAC__metadata_object_new(FLAC__METADATA_TYPE_PADDING))) + return die_("creating PADDING block"); + padding->length = 30; + if(!FLAC__metadata_iterator_insert_block_before(iterator, padding)) + printf("\tFLAC__metadata_iterator_insert_block_before() returned false like it should\n"); + else + return die_("FLAC__metadata_iterator_insert_block_before() should have returned false"); + + printf("[S]VP\tnext\n"); + if(!FLAC__metadata_iterator_next(iterator)) + return die_("iterator ended early\n"); + our_current_position++; + + printf("S[V]A\tinsert PADDING after\n"); + if(!insert_to_our_metadata_(padding, ++our_current_position, /*copy=*/true)) + return die_("copying metadata"); + if(!FLAC__metadata_iterator_insert_block_after(iterator, padding)) + return die_("FLAC__metadata_iterator_insert_block_after(iterator, padding)"); + + if(!compare_chain_(chain, our_current_position, FLAC__metadata_iterator_get_block(iterator))) + return false; + + printf("SV[P]A\tinsert PADDING before\n"); + if(0 == (padding = FLAC__metadata_object_clone(our_metadata_.blocks[our_current_position]))) + return die_("creating PADDING block"); + padding->length = 17; + if(!insert_to_our_metadata_(padding, our_current_position, /*copy=*/true)) + return die_("copying metadata"); + if(!FLAC__metadata_iterator_insert_block_before(iterator, padding)) + return die_("FLAC__metadata_iterator_insert_block_before(iterator, padding)"); + + if(!compare_chain_(chain, our_current_position, FLAC__metadata_iterator_get_block(iterator))) + return false; + + printf("SV[P]PA\tinsert PADDING before\n"); + if(0 == (padding = FLAC__metadata_object_clone(our_metadata_.blocks[our_current_position]))) + return die_("creating PADDING block"); + padding->length = 0; + if(!insert_to_our_metadata_(padding, our_current_position, /*copy=*/true)) + return die_("copying metadata"); + if(!FLAC__metadata_iterator_insert_block_before(iterator, padding)) + return die_("FLAC__metadata_iterator_insert_block_before(iterator, padding)"); + + if(!compare_chain_(chain, our_current_position, FLAC__metadata_iterator_get_block(iterator))) + return false; + + printf("SV[P]PPA\tnext\n"); + if(!FLAC__metadata_iterator_next(iterator)) + return die_("iterator ended early\n"); + our_current_position++; + + printf("SVP[P]PA\tnext\n"); + if(!FLAC__metadata_iterator_next(iterator)) + return die_("iterator ended early\n"); + our_current_position++; + + printf("SVPP[P]A\tnext\n"); + if(!FLAC__metadata_iterator_next(iterator)) + return die_("iterator ended early\n"); + our_current_position++; + + printf("SVPPP[A]\tinsert PADDING after\n"); + if(0 == (padding = FLAC__metadata_object_clone(our_metadata_.blocks[2]))) + return die_("creating PADDING block"); + padding->length = 57; + if(!insert_to_our_metadata_(padding, ++our_current_position, /*copy=*/true)) + return die_("copying metadata"); + if(!FLAC__metadata_iterator_insert_block_after(iterator, padding)) + return die_("FLAC__metadata_iterator_insert_block_after(iterator, padding)"); + + if(!compare_chain_(chain, our_current_position, FLAC__metadata_iterator_get_block(iterator))) + return false; + + printf("SVPPPA[P]\tinsert PADDING before\n"); + if(0 == (padding = FLAC__metadata_object_clone(our_metadata_.blocks[2]))) + return die_("creating PADDING block"); + padding->length = 99; + if(!insert_to_our_metadata_(padding, our_current_position, /*copy=*/true)) + return die_("copying metadata"); + if(!FLAC__metadata_iterator_insert_block_before(iterator, padding)) + return die_("FLAC__metadata_iterator_insert_block_before(iterator, padding)"); + + if(!compare_chain_(chain, our_current_position, FLAC__metadata_iterator_get_block(iterator))) + return false; + + printf("delete iterator\n"); + FLAC__metadata_iterator_delete(iterator); + our_current_position = 0; + + printf("SVPPPAPP\tmerge padding\n"); + FLAC__metadata_chain_merge_padding(chain); + our_metadata_.blocks[2]->length += (FLAC__STREAM_METADATA_HEADER_LENGTH + our_metadata_.blocks[3]->length); + our_metadata_.blocks[2]->length += (FLAC__STREAM_METADATA_HEADER_LENGTH + our_metadata_.blocks[4]->length); + our_metadata_.blocks[6]->length += (FLAC__STREAM_METADATA_HEADER_LENGTH + our_metadata_.blocks[7]->length); + delete_from_our_metadata_(7); + delete_from_our_metadata_(4); + delete_from_our_metadata_(3); + + if(!write_chain_(chain, /*use_padding=*/true, /*preserve_file_stats=*/false, filename_based, flacfilename(is_ogg))) + return die_c_("during FLAC__metadata_chain_write(chain, true, false)", FLAC__metadata_chain_status(chain)); + if(!compare_chain_(chain, 0, 0)) + return false; + if(!test_file_(is_ogg, decoder_metadata_callback_compare_)) + return false; + + printf("SVPAP\tsort padding\n"); + FLAC__metadata_chain_sort_padding(chain); + our_metadata_.blocks[4]->length += (FLAC__STREAM_METADATA_HEADER_LENGTH + our_metadata_.blocks[2]->length); + delete_from_our_metadata_(2); + + if(!write_chain_(chain, /*use_padding=*/true, /*preserve_file_stats=*/false, filename_based, flacfilename(is_ogg))) + return die_c_("during FLAC__metadata_chain_write(chain, true, false)", FLAC__metadata_chain_status(chain)); + if(!compare_chain_(chain, 0, 0)) + return false; + if(!test_file_(is_ogg, decoder_metadata_callback_compare_)) + return false; + + printf("create iterator\n"); + if(0 == (iterator = FLAC__metadata_iterator_new())) + return die_("allocating memory for iterator"); + + our_current_position = 0; + + FLAC__metadata_iterator_init(iterator, chain); + + printf("[S]VAP\tnext\n"); + if(!FLAC__metadata_iterator_next(iterator)) + return die_("iterator ended early\n"); + our_current_position++; + + printf("S[V]AP\tnext\n"); + if(!FLAC__metadata_iterator_next(iterator)) + return die_("iterator ended early\n"); + our_current_position++; + + printf("SV[A]P\tdelete middle block, replace with padding\n"); + if(0 == (padding = FLAC__metadata_object_new(FLAC__METADATA_TYPE_PADDING))) + return die_("creating PADDING block"); + padding->length = 71; + if(!replace_in_our_metadata_(padding, our_current_position--, /*copy=*/false)) + return die_("copying object"); + if(!FLAC__metadata_iterator_delete_block(iterator, /*replace_with_padding=*/true)) + return die_c_("FLAC__metadata_iterator_delete_block(iterator, true)", FLAC__metadata_chain_status(chain)); + + if(!compare_chain_(chain, our_current_position, FLAC__metadata_iterator_get_block(iterator))) + return false; + + printf("S[V]PP\tnext\n"); + if(!FLAC__metadata_iterator_next(iterator)) + return die_("iterator ended early\n"); + our_current_position++; + + printf("SV[P]P\tdelete middle block, don't replace with padding\n"); + delete_from_our_metadata_(our_current_position--); + if(!FLAC__metadata_iterator_delete_block(iterator, /*replace_with_padding=*/false)) + return die_c_("FLAC__metadata_iterator_delete_block(iterator, false)", FLAC__metadata_chain_status(chain)); + + if(!compare_chain_(chain, our_current_position, FLAC__metadata_iterator_get_block(iterator))) + return false; + + printf("S[V]P\tnext\n"); + if(!FLAC__metadata_iterator_next(iterator)) + return die_("iterator ended early\n"); + our_current_position++; + + printf("SV[P]\tdelete last block, replace with padding\n"); + if(0 == (padding = FLAC__metadata_object_new(FLAC__METADATA_TYPE_PADDING))) + return die_("creating PADDING block"); + padding->length = 219; + if(!replace_in_our_metadata_(padding, our_current_position--, /*copy=*/false)) + return die_("copying object"); + if(!FLAC__metadata_iterator_delete_block(iterator, /*replace_with_padding=*/true)) + return die_c_("FLAC__metadata_iterator_delete_block(iterator, true)", FLAC__metadata_chain_status(chain)); + + if(!compare_chain_(chain, our_current_position, FLAC__metadata_iterator_get_block(iterator))) + return false; + + printf("S[V]P\tnext\n"); + if(!FLAC__metadata_iterator_next(iterator)) + return die_("iterator ended early\n"); + our_current_position++; + + printf("SV[P]\tdelete last block, don't replace with padding\n"); + delete_from_our_metadata_(our_current_position--); + if(!FLAC__metadata_iterator_delete_block(iterator, /*replace_with_padding=*/false)) + return die_c_("FLAC__metadata_iterator_delete_block(iterator, false)", FLAC__metadata_chain_status(chain)); + + if(!compare_chain_(chain, our_current_position, FLAC__metadata_iterator_get_block(iterator))) + return false; + + printf("S[V]\tprev\n"); + if(!FLAC__metadata_iterator_prev(iterator)) + return die_("iterator ended early\n"); + our_current_position--; + + printf("[S]V\tdelete STREAMINFO block, should fail\n"); + if(FLAC__metadata_iterator_delete_block(iterator, /*replace_with_padding=*/false)) + return die_("FLAC__metadata_iterator_delete_block() on STREAMINFO should have failed but didn't"); + + if(!compare_chain_(chain, our_current_position, FLAC__metadata_iterator_get_block(iterator))) + return false; + + printf("delete iterator\n"); + FLAC__metadata_iterator_delete(iterator); + our_current_position = 0; + + printf("SV\tmerge padding\n"); + FLAC__metadata_chain_merge_padding(chain); + + if(!write_chain_(chain, /*use_padding=*/false, /*preserve_file_stats=*/false, filename_based, flacfilename(is_ogg))) + return die_c_("during FLAC__metadata_chain_write(chain, false, false)", FLAC__metadata_chain_status(chain)); + if(!compare_chain_(chain, 0, 0)) + return false; + if(!test_file_(is_ogg, decoder_metadata_callback_compare_)) + return false; + + printf("SV\tsort padding\n"); + FLAC__metadata_chain_sort_padding(chain); + + if(!write_chain_(chain, /*use_padding=*/false, /*preserve_file_stats=*/false, filename_based, flacfilename(is_ogg))) + return die_c_("during FLAC__metadata_chain_write(chain, false, false)", FLAC__metadata_chain_status(chain)); + if(!compare_chain_(chain, 0, 0)) + return false; + if(!test_file_(is_ogg, decoder_metadata_callback_compare_)) + return false; + +end: + printf("delete chain\n"); + + FLAC__metadata_chain_delete(chain); + + if(!remove_file_(flacfilename(is_ogg))) + return false; + + return true; +} + +static FLAC__bool test_level_2_misc_(FLAC__bool is_ogg) +{ + FLAC__Metadata_Iterator *iterator; + FLAC__Metadata_Chain *chain; + FLAC__IOCallbacks callbacks; + + memset(&callbacks, 0, sizeof(callbacks)); + callbacks.read = (FLAC__IOCallback_Read)fread; +#ifdef FLAC__VALGRIND_TESTING + callbacks.write = chain_write_cb_; +#else + callbacks.write = (FLAC__IOCallback_Write)fwrite; +#endif + callbacks.seek = chain_seek_cb_; + callbacks.tell = chain_tell_cb_; + callbacks.eof = chain_eof_cb_; + + printf("\n\n++++++ testing level 2 interface (mismatched read/write protections)\n"); + + printf("generate file\n"); + + if(!generate_file_(/*include_extras=*/false, is_ogg)) + return false; + + printf("create chain\n"); + + if(0 == (chain = FLAC__metadata_chain_new())) + return die_("allocating chain"); + + printf("read chain (filename-based)\n"); + + if(!FLAC__metadata_chain_read(chain, flacfilename(is_ogg))) + return die_c_("reading chain", FLAC__metadata_chain_status(chain)); + + printf("write chain with wrong method FLAC__metadata_chain_write_with_callbacks()\n"); + { + if(FLAC__metadata_chain_write_with_callbacks(chain, /*use_padding=*/false, 0, callbacks)) + return die_c_("mismatched write should have failed", FLAC__metadata_chain_status(chain)); + if(FLAC__metadata_chain_status(chain) != FLAC__METADATA_CHAIN_STATUS_READ_WRITE_MISMATCH) + return die_c_("expected FLAC__METADATA_CHAIN_STATUS_READ_WRITE_MISMATCH", FLAC__metadata_chain_status(chain)); + printf(" OK: FLAC__metadata_chain_write_with_callbacks() returned false,FLAC__METADATA_CHAIN_STATUS_READ_WRITE_MISMATCH like it should\n"); + } + + printf("read chain (filename-based)\n"); + + if(!FLAC__metadata_chain_read(chain, flacfilename(is_ogg))) + return die_c_("reading chain", FLAC__metadata_chain_status(chain)); + + printf("write chain with wrong method FLAC__metadata_chain_write_with_callbacks_and_tempfile()\n"); + { + if(FLAC__metadata_chain_write_with_callbacks_and_tempfile(chain, /*use_padding=*/false, 0, callbacks, 0, callbacks)) + return die_c_("mismatched write should have failed", FLAC__metadata_chain_status(chain)); + if(FLAC__metadata_chain_status(chain) != FLAC__METADATA_CHAIN_STATUS_READ_WRITE_MISMATCH) + return die_c_("expected FLAC__METADATA_CHAIN_STATUS_READ_WRITE_MISMATCH", FLAC__metadata_chain_status(chain)); + printf(" OK: FLAC__metadata_chain_write_with_callbacks_and_tempfile() returned false,FLAC__METADATA_CHAIN_STATUS_READ_WRITE_MISMATCH like it should\n"); + } + + printf("read chain (callback-based)\n"); + { + FILE *file = flac_fopen(flacfilename(is_ogg), "rb"); + if(0 == file) + return die_("opening file"); + if(!FLAC__metadata_chain_read_with_callbacks(chain, (FLAC__IOHandle)file, callbacks)) { + fclose(file); + return die_c_("reading chain", FLAC__metadata_chain_status(chain)); + } + fclose(file); + } + + printf("write chain with wrong method FLAC__metadata_chain_write()\n"); + { + if(FLAC__metadata_chain_write(chain, /*use_padding=*/false, /*preserve_file_stats=*/false)) + return die_c_("mismatched write should have failed", FLAC__metadata_chain_status(chain)); + if(FLAC__metadata_chain_status(chain) != FLAC__METADATA_CHAIN_STATUS_READ_WRITE_MISMATCH) + return die_c_("expected FLAC__METADATA_CHAIN_STATUS_READ_WRITE_MISMATCH", FLAC__metadata_chain_status(chain)); + printf(" OK: FLAC__metadata_chain_write() returned false,FLAC__METADATA_CHAIN_STATUS_READ_WRITE_MISMATCH like it should\n"); + } + + printf("read chain (callback-based)\n"); + { + FILE *file = flac_fopen(flacfilename(is_ogg), "rb"); + if(0 == file) + return die_("opening file"); + if(!FLAC__metadata_chain_read_with_callbacks(chain, (FLAC__IOHandle)file, callbacks)) { + fclose(file); + return die_c_("reading chain", FLAC__metadata_chain_status(chain)); + } + fclose(file); + } + + printf("testing FLAC__metadata_chain_check_if_tempfile_needed()... "); + + if(!FLAC__metadata_chain_check_if_tempfile_needed(chain, /*use_padding=*/false)) + printf("OK: FLAC__metadata_chain_check_if_tempfile_needed() returned false like it should\n"); + else + return die_("FLAC__metadata_chain_check_if_tempfile_needed() returned true but shouldn't have"); + + printf("write chain with wrong method FLAC__metadata_chain_write_with_callbacks_and_tempfile()\n"); + { + if(FLAC__metadata_chain_write_with_callbacks_and_tempfile(chain, /*use_padding=*/false, 0, callbacks, 0, callbacks)) + return die_c_("mismatched write should have failed", FLAC__metadata_chain_status(chain)); + if(FLAC__metadata_chain_status(chain) != FLAC__METADATA_CHAIN_STATUS_WRONG_WRITE_CALL) + return die_c_("expected FLAC__METADATA_CHAIN_STATUS_WRONG_WRITE_CALL", FLAC__metadata_chain_status(chain)); + printf(" OK: FLAC__metadata_chain_write_with_callbacks_and_tempfile() returned false,FLAC__METADATA_CHAIN_STATUS_WRONG_WRITE_CALL like it should\n"); + } + + printf("read chain (callback-based)\n"); + { + FILE *file = flac_fopen(flacfilename(is_ogg), "rb"); + if(0 == file) + return die_("opening file"); + if(!FLAC__metadata_chain_read_with_callbacks(chain, (FLAC__IOHandle)file, callbacks)) { + fclose(file); + return die_c_("reading chain", FLAC__metadata_chain_status(chain)); + } + fclose(file); + } + + printf("create iterator\n"); + if(0 == (iterator = FLAC__metadata_iterator_new())) + return die_("allocating memory for iterator"); + + FLAC__metadata_iterator_init(iterator, chain); + + printf("[S]VP\tnext\n"); + if(!FLAC__metadata_iterator_next(iterator)) + return die_("iterator ended early\n"); + + printf("S[V]P\tdelete VORBIS_COMMENT, write\n"); + if(!FLAC__metadata_iterator_delete_block(iterator, /*replace_with_padding=*/false)) + return die_c_("block delete failed\n", FLAC__metadata_chain_status(chain)); + + printf("testing FLAC__metadata_chain_check_if_tempfile_needed()... "); + + if(FLAC__metadata_chain_check_if_tempfile_needed(chain, /*use_padding=*/false)) + printf("OK: FLAC__metadata_chain_check_if_tempfile_needed() returned true like it should\n"); + else + return die_("FLAC__metadata_chain_check_if_tempfile_needed() returned false but shouldn't have"); + + printf("write chain with wrong method FLAC__metadata_chain_write_with_callbacks()\n"); + { + if(FLAC__metadata_chain_write_with_callbacks(chain, /*use_padding=*/false, 0, callbacks)) + return die_c_("mismatched write should have failed", FLAC__metadata_chain_status(chain)); + if(FLAC__metadata_chain_status(chain) != FLAC__METADATA_CHAIN_STATUS_WRONG_WRITE_CALL) + return die_c_("expected FLAC__METADATA_CHAIN_STATUS_WRONG_WRITE_CALL", FLAC__metadata_chain_status(chain)); + printf(" OK: FLAC__metadata_chain_write_with_callbacks() returned false,FLAC__METADATA_CHAIN_STATUS_WRONG_WRITE_CALL like it should\n"); + } + + printf("delete iterator\n"); + + FLAC__metadata_iterator_delete(iterator); + + printf("delete chain\n"); + + FLAC__metadata_chain_delete(chain); + + if(!remove_file_(flacfilename(is_ogg))) + return false; + + return true; +} + +FLAC__bool test_metadata_file_manipulation(void) +{ + printf("\n+++ libFLAC unit test: metadata manipulation\n\n"); + + our_metadata_.num_blocks = 0; + + if(!test_level_0_()) + return false; + + if(!test_level_1_()) + return false; + + if(!test_level_2_(/*filename_based=*/true, /*is_ogg=*/false)) /* filename-based */ + return false; + if(!test_level_2_(/*filename_based=*/false, /*is_ogg=*/false)) /* callback-based */ + return false; + if(!test_level_2_misc_(/*is_ogg=*/false)) + return false; + + if(FLAC_API_SUPPORTS_OGG_FLAC) { + if(!test_level_2_(/*filename_based=*/true, /*is_ogg=*/true)) /* filename-based */ + return false; + if(!test_level_2_(/*filename_based=*/false, /*is_ogg=*/true)) /* callback-based */ + return false; +#if 0 + /* when ogg flac write is supported, will have to add this: */ + if(!test_level_2_misc_(/*is_ogg=*/true)) + return false; +#endif + } + + return true; +} diff --git a/src/test_libFLAC/metadata_object.c b/src/test_libFLAC/metadata_object.c new file mode 100644 index 0000000..ea6b69f --- /dev/null +++ b/src/test_libFLAC/metadata_object.c @@ -0,0 +1,2291 @@ +/* test_libFLAC - Unit tester for libFLAC + * Copyright (C) 2002-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include "FLAC/assert.h" +#include "FLAC/metadata.h" +#include "test_libs_common/metadata_utils.h" +#include "share/compat.h" +#include "metadata.h" +#include <stdio.h> +#include <stdlib.h> /* for malloc() */ +#include <string.h> /* for memcmp() */ + +static FLAC__byte *make_dummydata_(FLAC__byte *dummydata, uint32_t len) +{ + FLAC__byte *ret; + + if(0 == (ret = malloc(len))) { + printf("FAILED, malloc error\n"); + exit(1); + } + else + memcpy(ret, dummydata, len); + + return ret; +} + +static FLAC__bool compare_track_(const FLAC__StreamMetadata_CueSheet_Track *from, const FLAC__StreamMetadata_CueSheet_Track *to) +{ + uint32_t i; + + if(from->offset != to->offset) { + printf("FAILED, track offset mismatch, expected %" PRIu64 ", got %" PRIu64 "\n", to->offset, from->offset); + return false; + } + if(from->number != to->number) { + printf("FAILED, track number mismatch, expected %u, got %u\n", (uint32_t)to->number, (uint32_t)from->number); + return false; + } + if(0 != strcmp(from->isrc, to->isrc)) { + printf("FAILED, track number mismatch, expected %s, got %s\n", to->isrc, from->isrc); + return false; + } + if(from->type != to->type) { + printf("FAILED, track type mismatch, expected %u, got %u\n", (uint32_t)to->type, (uint32_t)from->type); + return false; + } + if(from->pre_emphasis != to->pre_emphasis) { + printf("FAILED, track pre_emphasis mismatch, expected %u, got %u\n", (uint32_t)to->pre_emphasis, (uint32_t)from->pre_emphasis); + return false; + } + if(from->num_indices != to->num_indices) { + printf("FAILED, track num_indices mismatch, expected %u, got %u\n", (uint32_t)to->num_indices, (uint32_t)from->num_indices); + return false; + } + if(0 == to->indices || 0 == from->indices) { + if(to->indices != from->indices) { + printf("FAILED, track indices mismatch\n"); + return false; + } + } + else { + for(i = 0; i < to->num_indices; i++) { + if(from->indices[i].offset != to->indices[i].offset) { + printf("FAILED, track indices[%u].offset mismatch, expected %" PRIu64 ", got %" PRIu64 "\n", i, to->indices[i].offset, from->indices[i].offset); + return false; + } + if(from->indices[i].number != to->indices[i].number) { + printf("FAILED, track indices[%u].number mismatch, expected %u, got %u\n", i, (uint32_t)to->indices[i].number, (uint32_t)from->indices[i].number); + return false; + } + } + } + + return true; +} + +static FLAC__bool compare_seekpoint_array_(const FLAC__StreamMetadata_SeekPoint *from, const FLAC__StreamMetadata_SeekPoint *to, uint32_t n) +{ + uint32_t i; + + FLAC__ASSERT(0 != from); + FLAC__ASSERT(0 != to); + + for(i = 0; i < n; i++) { + if(from[i].sample_number != to[i].sample_number) { + printf("FAILED, point[%u].sample_number mismatch, expected %" PRIu64 ", got %" PRIu64 "\n", i, to[i].sample_number, from[i].sample_number); + return false; + } + if(from[i].stream_offset != to[i].stream_offset) { + printf("FAILED, point[%u].stream_offset mismatch, expected %" PRIu64 ", got %" PRIu64 "\n", i, to[i].stream_offset, from[i].stream_offset); + return false; + } + if(from[i].frame_samples != to[i].frame_samples) { + printf("FAILED, point[%u].frame_samples mismatch, expected %u, got %u\n", i, to[i].frame_samples, from[i].frame_samples); + return false; + } + } + + return true; +} + +static FLAC__bool check_seektable_(const FLAC__StreamMetadata *block, uint32_t num_points, const FLAC__StreamMetadata_SeekPoint *array) +{ + const uint32_t expected_length = num_points * FLAC__STREAM_METADATA_SEEKPOINT_LENGTH; + + if(block->length != expected_length) { + printf("FAILED, bad length, expected %u, got %u\n", expected_length, block->length); + return false; + } + if(block->data.seek_table.num_points != num_points) { + printf("FAILED, expected %u point, got %u\n", num_points, block->data.seek_table.num_points); + return false; + } + if(0 == array) { + if(0 != block->data.seek_table.points) { + printf("FAILED, 'points' pointer is not null\n"); + return false; + } + } + else { + if(!compare_seekpoint_array_(block->data.seek_table.points, array, num_points)) + return false; + } + printf("OK\n"); + + return true; +} + +static void entry_new_(FLAC__StreamMetadata_VorbisComment_Entry *entry, const char *field) +{ + entry->length = strlen(field); + entry->entry = malloc(entry->length+1); + FLAC__ASSERT(0 != entry->entry); + memcpy(entry->entry, field, entry->length); + entry->entry[entry->length] = '\0'; +} + +static void entry_clone_(FLAC__StreamMetadata_VorbisComment_Entry *entry) +{ + FLAC__byte *x = malloc(entry->length+1); + FLAC__ASSERT(0 != x); + memcpy(x, entry->entry, entry->length); + x[entry->length] = '\0'; + entry->entry = x; +} + +static void vc_calc_len_(FLAC__StreamMetadata *block) +{ + const FLAC__StreamMetadata_VorbisComment *vc = &block->data.vorbis_comment; + uint32_t i; + + block->length = FLAC__STREAM_METADATA_VORBIS_COMMENT_ENTRY_LENGTH_LEN / 8; + block->length += vc->vendor_string.length; + block->length += FLAC__STREAM_METADATA_VORBIS_COMMENT_NUM_COMMENTS_LEN / 8; + for(i = 0; i < vc->num_comments; i++) { + block->length += FLAC__STREAM_METADATA_VORBIS_COMMENT_ENTRY_LENGTH_LEN / 8; + block->length += vc->comments[i].length; + } +} + +static void vc_resize_(FLAC__StreamMetadata *block, uint32_t num) +{ + FLAC__StreamMetadata_VorbisComment *vc = &block->data.vorbis_comment; + + if(vc->num_comments != 0) { + FLAC__ASSERT(0 != vc->comments); + if(num < vc->num_comments) { + uint32_t i; + for(i = num; i < vc->num_comments; i++) { + if(0 != vc->comments[i].entry) + free(vc->comments[i].entry); + } + } + } + if(num == 0) { + if(0 != vc->comments) { + free(vc->comments); + vc->comments = 0; + } + } + else { + uint32_t i; + vc->comments = realloc(vc->comments, sizeof(FLAC__StreamMetadata_VorbisComment_Entry)*num); + FLAC__ASSERT(0 != vc->comments); + for(i = vc->num_comments; i < num; i++) { + vc->comments[i].length = 0; + vc->comments[i].entry = malloc(1); + vc->comments[i].entry[0] = '\0'; + } + } + + vc->num_comments = num; + vc_calc_len_(block); +} + +static int vc_find_from_(FLAC__StreamMetadata *block, const char *name, uint32_t start) +{ + const uint32_t n = strlen(name); + uint32_t i; + for(i = start; i < block->data.vorbis_comment.num_comments; i++) { + const FLAC__StreamMetadata_VorbisComment_Entry *entry = &block->data.vorbis_comment.comments[i]; + if(entry->length > n && 0 == strncmp((const char *)entry->entry, name, n) && entry->entry[n] == '=') + return (int)i; + } + return -1; +} + +static void vc_set_vs_new_(FLAC__StreamMetadata_VorbisComment_Entry *entry, FLAC__StreamMetadata *block, const char *field) +{ + if(0 != block->data.vorbis_comment.vendor_string.entry) + free(block->data.vorbis_comment.vendor_string.entry); + entry_new_(entry, field); + block->data.vorbis_comment.vendor_string = *entry; + vc_calc_len_(block); +} + +static void vc_set_new_(FLAC__StreamMetadata_VorbisComment_Entry *entry, FLAC__StreamMetadata *block, uint32_t pos, const char *field) +{ + if(0 != block->data.vorbis_comment.comments[pos].entry) + free(block->data.vorbis_comment.comments[pos].entry); + entry_new_(entry, field); + block->data.vorbis_comment.comments[pos] = *entry; + vc_calc_len_(block); +} + +static void vc_insert_new_(FLAC__StreamMetadata_VorbisComment_Entry *entry, FLAC__StreamMetadata *block, uint32_t pos, const char *field) +{ + FLAC__StreamMetadata_VorbisComment_Entry temp; + vc_resize_(block, block->data.vorbis_comment.num_comments+1); + temp = block->data.vorbis_comment.comments[block->data.vorbis_comment.num_comments-1]; + memmove(&block->data.vorbis_comment.comments[pos+1], &block->data.vorbis_comment.comments[pos], sizeof(FLAC__StreamMetadata_VorbisComment_Entry)*(block->data.vorbis_comment.num_comments-1-pos)); + block->data.vorbis_comment.comments[pos] = temp; + vc_set_new_(entry, block, pos, field); + vc_calc_len_(block); +} + +static void vc_delete_(FLAC__StreamMetadata *block, uint32_t pos) +{ + if(0 != block->data.vorbis_comment.comments[pos].entry) + free(block->data.vorbis_comment.comments[pos].entry); + memmove(&block->data.vorbis_comment.comments[pos], &block->data.vorbis_comment.comments[pos+1], sizeof(FLAC__StreamMetadata_VorbisComment_Entry)*(block->data.vorbis_comment.num_comments-pos-1)); + block->data.vorbis_comment.comments[block->data.vorbis_comment.num_comments-1].entry = 0; + block->data.vorbis_comment.comments[block->data.vorbis_comment.num_comments-1].length = 0; + vc_resize_(block, block->data.vorbis_comment.num_comments-1); + vc_calc_len_(block); +} + +static void vc_replace_new_(FLAC__StreamMetadata_VorbisComment_Entry *entry, FLAC__StreamMetadata *block, const char *field, FLAC__bool all) +{ + int indx; + char field_name[256]; + const char *eq = strchr(field, '='); + FLAC__ASSERT(eq>field && (uint32_t)(eq-field) < sizeof(field_name)); + memcpy(field_name, field, eq-field); + field_name[eq-field]='\0'; + + indx = vc_find_from_(block, field_name, 0); + if(indx < 0) + vc_insert_new_(entry, block, block->data.vorbis_comment.num_comments, field); + else { + vc_set_new_(entry, block, (uint32_t)indx, field); + if(all) { + for(indx = indx+1; indx >= 0 && (uint32_t)indx < block->data.vorbis_comment.num_comments; ) + if((indx = vc_find_from_(block, field_name, (uint32_t)indx)) >= 0) + vc_delete_(block, (uint32_t)indx); + } + } + + vc_calc_len_(block); +} + +static void track_new_(FLAC__StreamMetadata_CueSheet_Track *track, FLAC__uint64 offset, FLAC__byte number, const char *isrc, FLAC__bool data, FLAC__bool pre_em) +{ + track->offset = offset; + track->number = number; + memcpy(track->isrc, isrc, sizeof(track->isrc)); + track->type = data; + track->pre_emphasis = pre_em; + track->num_indices = 0; + track->indices = 0; +} + +static void track_clone_(FLAC__StreamMetadata_CueSheet_Track *track) +{ + if(track->num_indices > 0) { + size_t bytes = sizeof(FLAC__StreamMetadata_CueSheet_Index) * track->num_indices; + FLAC__StreamMetadata_CueSheet_Index *x = malloc(bytes); + FLAC__ASSERT(0 != x); + memcpy(x, track->indices, bytes); + track->indices = x; + } +} + +static void cs_calc_len_(FLAC__StreamMetadata *block) +{ + const FLAC__StreamMetadata_CueSheet *cs = &block->data.cue_sheet; + uint32_t i; + + block->length = ( + FLAC__STREAM_METADATA_CUESHEET_MEDIA_CATALOG_NUMBER_LEN + + FLAC__STREAM_METADATA_CUESHEET_LEAD_IN_LEN + + FLAC__STREAM_METADATA_CUESHEET_IS_CD_LEN + + FLAC__STREAM_METADATA_CUESHEET_RESERVED_LEN + + FLAC__STREAM_METADATA_CUESHEET_NUM_TRACKS_LEN + ) / 8; + block->length += cs->num_tracks * ( + FLAC__STREAM_METADATA_CUESHEET_TRACK_OFFSET_LEN + + FLAC__STREAM_METADATA_CUESHEET_TRACK_NUMBER_LEN + + FLAC__STREAM_METADATA_CUESHEET_TRACK_ISRC_LEN + + FLAC__STREAM_METADATA_CUESHEET_TRACK_TYPE_LEN + + FLAC__STREAM_METADATA_CUESHEET_TRACK_PRE_EMPHASIS_LEN + + FLAC__STREAM_METADATA_CUESHEET_TRACK_RESERVED_LEN + + FLAC__STREAM_METADATA_CUESHEET_TRACK_NUM_INDICES_LEN + ) / 8; + for(i = 0; i < cs->num_tracks; i++) { + block->length += cs->tracks[i].num_indices * ( + FLAC__STREAM_METADATA_CUESHEET_INDEX_OFFSET_LEN + + FLAC__STREAM_METADATA_CUESHEET_INDEX_NUMBER_LEN + + FLAC__STREAM_METADATA_CUESHEET_INDEX_RESERVED_LEN + ) / 8; + } +} + +static void tr_resize_(FLAC__StreamMetadata *block, uint32_t track_num, uint32_t num) +{ + FLAC__StreamMetadata_CueSheet_Track *tr; + + FLAC__ASSERT(track_num < block->data.cue_sheet.num_tracks); + + tr = &block->data.cue_sheet.tracks[track_num]; + + if(tr->num_indices != 0) { + FLAC__ASSERT(0 != tr->indices); + } + if(num == 0) { + if(0 != tr->indices) { + free(tr->indices); + tr->indices = 0; + } + } + else { + tr->indices = realloc(tr->indices, sizeof(FLAC__StreamMetadata_CueSheet_Index)*num); + FLAC__ASSERT(0 != tr->indices); + if(num > tr->num_indices) + memset(tr->indices+tr->num_indices, 0, sizeof(FLAC__StreamMetadata_CueSheet_Index)*(num-tr->num_indices)); + } + + tr->num_indices = num; + cs_calc_len_(block); +} + +static void tr_set_new_(FLAC__StreamMetadata *block, uint32_t track_num, uint32_t pos, FLAC__StreamMetadata_CueSheet_Index indx) +{ + FLAC__StreamMetadata_CueSheet_Track *tr; + + FLAC__ASSERT(track_num < block->data.cue_sheet.num_tracks); + + tr = &block->data.cue_sheet.tracks[track_num]; + + FLAC__ASSERT(pos < tr->num_indices); + + tr->indices[pos] = indx; + + cs_calc_len_(block); +} + +static void tr_insert_new_(FLAC__StreamMetadata *block, uint32_t track_num, uint32_t pos, FLAC__StreamMetadata_CueSheet_Index indx) +{ + FLAC__StreamMetadata_CueSheet_Track *tr; + + FLAC__ASSERT(track_num < block->data.cue_sheet.num_tracks); + + tr = &block->data.cue_sheet.tracks[track_num]; + + FLAC__ASSERT(pos <= tr->num_indices); + + tr_resize_(block, track_num, tr->num_indices+1); + memmove(&tr->indices[pos+1], &tr->indices[pos], sizeof(FLAC__StreamMetadata_CueSheet_Index)*(tr->num_indices-1-pos)); + tr_set_new_(block, track_num, pos, indx); + cs_calc_len_(block); +} + +static void tr_delete_(FLAC__StreamMetadata *block, uint32_t track_num, uint32_t pos) +{ + FLAC__StreamMetadata_CueSheet_Track *tr; + + FLAC__ASSERT(track_num < block->data.cue_sheet.num_tracks); + + tr = &block->data.cue_sheet.tracks[track_num]; + + FLAC__ASSERT(pos <= tr->num_indices); + + memmove(&tr->indices[pos], &tr->indices[pos+1], sizeof(FLAC__StreamMetadata_CueSheet_Index)*(tr->num_indices-pos-1)); + tr_resize_(block, track_num, tr->num_indices-1); + cs_calc_len_(block); +} + +static void cs_resize_(FLAC__StreamMetadata *block, uint32_t num) +{ + FLAC__StreamMetadata_CueSheet *cs = &block->data.cue_sheet; + + if(cs->num_tracks != 0) { + FLAC__ASSERT(0 != cs->tracks); + if(num < cs->num_tracks) { + uint32_t i; + for(i = num; i < cs->num_tracks; i++) { + if(0 != cs->tracks[i].indices) + free(cs->tracks[i].indices); + } + } + } + if(num == 0) { + if(0 != cs->tracks) { + free(cs->tracks); + cs->tracks = 0; + } + } + else { + cs->tracks = realloc(cs->tracks, sizeof(FLAC__StreamMetadata_CueSheet_Track)*num); + FLAC__ASSERT(0 != cs->tracks); + if(num > cs->num_tracks) + memset(cs->tracks+cs->num_tracks, 0, sizeof(FLAC__StreamMetadata_CueSheet_Track)*(num-cs->num_tracks)); + } + + cs->num_tracks = num; + cs_calc_len_(block); +} + +static void cs_set_new_(FLAC__StreamMetadata_CueSheet_Track *track, FLAC__StreamMetadata *block, uint32_t pos, FLAC__uint64 offset, FLAC__byte number, const char *isrc, FLAC__bool data, FLAC__bool pre_em) +{ + track_new_(track, offset, number, isrc, data, pre_em); + block->data.cue_sheet.tracks[pos] = *track; + cs_calc_len_(block); +} + +static void cs_insert_new_(FLAC__StreamMetadata_CueSheet_Track *track, FLAC__StreamMetadata *block, uint32_t pos, FLAC__uint64 offset, FLAC__byte number, const char *isrc, FLAC__bool data, FLAC__bool pre_em) +{ + cs_resize_(block, block->data.cue_sheet.num_tracks+1); + memmove(&block->data.cue_sheet.tracks[pos+1], &block->data.cue_sheet.tracks[pos], sizeof(FLAC__StreamMetadata_CueSheet_Track)*(block->data.cue_sheet.num_tracks-1-pos)); + cs_set_new_(track, block, pos, offset, number, isrc, data, pre_em); + cs_calc_len_(block); +} + +static void cs_delete_(FLAC__StreamMetadata *block, uint32_t pos) +{ + if(0 != block->data.cue_sheet.tracks[pos].indices) + free(block->data.cue_sheet.tracks[pos].indices); + memmove(&block->data.cue_sheet.tracks[pos], &block->data.cue_sheet.tracks[pos+1], sizeof(FLAC__StreamMetadata_CueSheet_Track)*(block->data.cue_sheet.num_tracks-pos-1)); + block->data.cue_sheet.tracks[block->data.cue_sheet.num_tracks-1].indices = 0; + block->data.cue_sheet.tracks[block->data.cue_sheet.num_tracks-1].num_indices = 0; + cs_resize_(block, block->data.cue_sheet.num_tracks-1); + cs_calc_len_(block); +} + +static void pi_set_mime_type(FLAC__StreamMetadata *block, const char *s) +{ + if(block->data.picture.mime_type) { + block->length -= strlen(block->data.picture.mime_type); + free(block->data.picture.mime_type); + } + block->data.picture.mime_type = strdup(s); + FLAC__ASSERT(block->data.picture.mime_type); + block->length += strlen(block->data.picture.mime_type); +} + +static void pi_set_description(FLAC__StreamMetadata *block, const FLAC__byte *s) +{ + if(block->data.picture.description) { + block->length -= strlen((const char *)block->data.picture.description); + free(block->data.picture.description); + } + block->data.picture.description = (FLAC__byte*)strdup((const char *)s); + FLAC__ASSERT(block->data.picture.description); + block->length += strlen((const char *)block->data.picture.description); +} + +static void pi_set_data(FLAC__StreamMetadata *block, const FLAC__byte *data, FLAC__uint32 len) +{ + if(block->data.picture.data) { + block->length -= block->data.picture.data_length; + free(block->data.picture.data); + } + block->data.picture.data = (FLAC__byte*)strdup((const char *)data); + FLAC__ASSERT(block->data.picture.data); + block->data.picture.data_length = len; + block->length += len; +} + +FLAC__bool test_metadata_object(void) +{ + FLAC__StreamMetadata *block, *blockcopy, *vorbiscomment, *cuesheet, *picture; + FLAC__StreamMetadata_SeekPoint seekpoint_array[14]; + FLAC__StreamMetadata_VorbisComment_Entry entry; + FLAC__StreamMetadata_CueSheet_Index indx; + FLAC__StreamMetadata_CueSheet_Track track; + uint32_t i, expected_length, seekpoints; + int j; + static FLAC__byte dummydata[4] = { 'a', 'b', 'c', 'd' }; + + printf("\n+++ libFLAC unit test: metadata objects\n\n"); + + + printf("testing STREAMINFO\n"); + + printf("testing FLAC__metadata_object_new()... "); + block = FLAC__metadata_object_new(FLAC__METADATA_TYPE_STREAMINFO); + if(0 == block) { + printf("FAILED, returned NULL\n"); + return false; + } + expected_length = FLAC__STREAM_METADATA_STREAMINFO_LENGTH; + if(block->length != expected_length) { + printf("FAILED, bad length, expected %u, got %u\n", expected_length, block->length); + return false; + } + printf("OK\n"); + + printf("testing FLAC__metadata_object_clone()... "); + blockcopy = FLAC__metadata_object_clone(block); + if(0 == blockcopy) { + printf("FAILED, returned NULL\n"); + return false; + } + if(!mutils__compare_block(block, blockcopy)) + return false; + printf("OK\n"); + + printf("testing FLAC__metadata_object_delete()... "); + FLAC__metadata_object_delete(blockcopy); + FLAC__metadata_object_delete(block); + printf("OK\n"); + + + printf("testing PADDING\n"); + + printf("testing FLAC__metadata_object_new()... "); + block = FLAC__metadata_object_new(FLAC__METADATA_TYPE_PADDING); + if(0 == block) { + printf("FAILED, returned NULL\n"); + return false; + } + expected_length = 0; + if(block->length != expected_length) { + printf("FAILED, bad length, expected %u, got %u\n", expected_length, block->length); + return false; + } + printf("OK\n"); + + printf("testing FLAC__metadata_object_clone()... "); + blockcopy = FLAC__metadata_object_clone(block); + if(0 == blockcopy) { + printf("FAILED, returned NULL\n"); + return false; + } + if(!mutils__compare_block(block, blockcopy)) + return false; + printf("OK\n"); + + printf("testing FLAC__metadata_object_delete()... "); + FLAC__metadata_object_delete(blockcopy); + FLAC__metadata_object_delete(block); + printf("OK\n"); + + + printf("testing APPLICATION\n"); + + printf("testing FLAC__metadata_object_new()... "); + block = FLAC__metadata_object_new(FLAC__METADATA_TYPE_APPLICATION); + if(0 == block) { + printf("FAILED, returned NULL\n"); + return false; + } + expected_length = FLAC__STREAM_METADATA_APPLICATION_ID_LEN / 8; + if(block->length != expected_length) { + printf("FAILED, bad length, expected %u, got %u\n", expected_length, block->length); + return false; + } + printf("OK\n"); + + printf("testing FLAC__metadata_object_clone()... "); + blockcopy = FLAC__metadata_object_clone(block); + if(0 == blockcopy) { + printf("FAILED, returned NULL\n"); + return false; + } + if(!mutils__compare_block(block, blockcopy)) + return false; + printf("OK\n"); + + printf("testing FLAC__metadata_object_delete()... "); + FLAC__metadata_object_delete(blockcopy); + printf("OK\n"); + + printf("testing FLAC__metadata_object_application_set_data(copy)... "); + if(!FLAC__metadata_object_application_set_data(block, dummydata, sizeof(dummydata), true/*copy*/)) { + printf("FAILED, returned false\n"); + return false; + } + expected_length = (FLAC__STREAM_METADATA_APPLICATION_ID_LEN / 8) + sizeof(dummydata); + if(block->length != expected_length) { + printf("FAILED, bad length, expected %u, got %u\n", expected_length, block->length); + return false; + } + if(0 != memcmp(block->data.application.data, dummydata, sizeof(dummydata))) { + printf("FAILED, data mismatch\n"); + return false; + } + printf("OK\n"); + + printf("testing FLAC__metadata_object_clone()... "); + blockcopy = FLAC__metadata_object_clone(block); + if(0 == blockcopy) { + printf("FAILED, returned NULL\n"); + return false; + } + if(!mutils__compare_block(block, blockcopy)) + return false; + printf("OK\n"); + + printf("testing FLAC__metadata_object_delete()... "); + FLAC__metadata_object_delete(blockcopy); + printf("OK\n"); + + printf("testing FLAC__metadata_object_application_set_data(own)... "); + if(!FLAC__metadata_object_application_set_data(block, make_dummydata_(dummydata, sizeof(dummydata)), sizeof(dummydata), false/*own*/)) { + printf("FAILED, returned false\n"); + return false; + } + expected_length = (FLAC__STREAM_METADATA_APPLICATION_ID_LEN / 8) + sizeof(dummydata); + if(block->length != expected_length) { + printf("FAILED, bad length, expected %u, got %u\n", expected_length, block->length); + return false; + } + if(0 != memcmp(block->data.application.data, dummydata, sizeof(dummydata))) { + printf("FAILED, data mismatch\n"); + return false; + } + printf("OK\n"); + + printf("testing FLAC__metadata_object_clone()... "); + blockcopy = FLAC__metadata_object_clone(block); + if(0 == blockcopy) { + printf("FAILED, returned NULL\n"); + return false; + } + if(!mutils__compare_block(block, blockcopy)) + return false; + printf("OK\n"); + + printf("testing FLAC__metadata_object_delete()... "); + FLAC__metadata_object_delete(blockcopy); + FLAC__metadata_object_delete(block); + printf("OK\n"); + + + printf("testing SEEKTABLE\n"); + + for(i = 0; i < sizeof(seekpoint_array) / sizeof(FLAC__StreamMetadata_SeekPoint); i++) { + seekpoint_array[i].sample_number = FLAC__STREAM_METADATA_SEEKPOINT_PLACEHOLDER; + seekpoint_array[i].stream_offset = 0; + seekpoint_array[i].frame_samples = 0; + } + + seekpoints = 0; + printf("testing FLAC__metadata_object_new()... "); + block = FLAC__metadata_object_new(FLAC__METADATA_TYPE_SEEKTABLE); + if(0 == block) { + printf("FAILED, returned NULL\n"); + return false; + } + if(!check_seektable_(block, seekpoints, 0)) + return false; + + printf("testing FLAC__metadata_object_clone()... "); + blockcopy = FLAC__metadata_object_clone(block); + if(0 == blockcopy) { + printf("FAILED, returned NULL\n"); + return false; + } + if(!mutils__compare_block(block, blockcopy)) + return false; + printf("OK\n"); + + printf("testing FLAC__metadata_object_delete()... "); + FLAC__metadata_object_delete(blockcopy); + printf("OK\n"); + + seekpoints = 2; + printf("testing FLAC__metadata_object_seektable_resize_points(grow to %u)...", seekpoints); + if(!FLAC__metadata_object_seektable_resize_points(block, seekpoints)) { + printf("FAILED, returned false\n"); + return false; + } + if(!check_seektable_(block, seekpoints, seekpoint_array)) + return false; + + seekpoints = 1; + printf("testing FLAC__metadata_object_seektable_resize_points(shrink to %u)...", seekpoints); + if(!FLAC__metadata_object_seektable_resize_points(block, seekpoints)) { + printf("FAILED, returned false\n"); + return false; + } + if(!check_seektable_(block, seekpoints, seekpoint_array)) + return false; + + printf("testing FLAC__metadata_object_seektable_is_legal()..."); + if(!FLAC__metadata_object_seektable_is_legal(block)) { + printf("FAILED, returned false\n"); + return false; + } + printf("OK\n"); + + seekpoints = 0; + printf("testing FLAC__metadata_object_seektable_resize_points(shrink to %u)...", seekpoints); + if(!FLAC__metadata_object_seektable_resize_points(block, seekpoints)) { + printf("FAILED, returned false\n"); + return false; + } + if(!check_seektable_(block, seekpoints, 0)) + return false; + + seekpoints++; + printf("testing FLAC__metadata_object_seektable_insert_point() on empty array..."); + if(!FLAC__metadata_object_seektable_insert_point(block, 0, seekpoint_array[0])) { + printf("FAILED, returned false\n"); + return false; + } + if(!check_seektable_(block, seekpoints, seekpoint_array)) + return false; + + seekpoint_array[0].sample_number = 1; + seekpoints++; + printf("testing FLAC__metadata_object_seektable_insert_point() on beginning of non-empty array..."); + if(!FLAC__metadata_object_seektable_insert_point(block, 0, seekpoint_array[0])) { + printf("FAILED, returned false\n"); + return false; + } + if(!check_seektable_(block, seekpoints, seekpoint_array)) + return false; + + seekpoint_array[1].sample_number = 2; + seekpoints++; + printf("testing FLAC__metadata_object_seektable_insert_point() on middle of non-empty array..."); + if(!FLAC__metadata_object_seektable_insert_point(block, 1, seekpoint_array[1])) { + printf("FAILED, returned false\n"); + return false; + } + if(!check_seektable_(block, seekpoints, seekpoint_array)) + return false; + + seekpoint_array[3].sample_number = 3; + seekpoints++; + printf("testing FLAC__metadata_object_seektable_insert_point() on end of non-empty array..."); + if(!FLAC__metadata_object_seektable_insert_point(block, 3, seekpoint_array[3])) { + printf("FAILED, returned false\n"); + return false; + } + if(!check_seektable_(block, seekpoints, seekpoint_array)) + return false; + + printf("testing FLAC__metadata_object_clone()... "); + blockcopy = FLAC__metadata_object_clone(block); + if(0 == blockcopy) { + printf("FAILED, returned NULL\n"); + return false; + } + if(!mutils__compare_block(block, blockcopy)) + return false; + printf("OK\n"); + + printf("testing FLAC__metadata_object_delete()... "); + FLAC__metadata_object_delete(blockcopy); + printf("OK\n"); + + seekpoint_array[2].sample_number = seekpoint_array[3].sample_number; + seekpoints--; + printf("testing FLAC__metadata_object_seektable_delete_point() on middle of array..."); + if(!FLAC__metadata_object_seektable_delete_point(block, 2)) { + printf("FAILED, returned false\n"); + return false; + } + if(!check_seektable_(block, seekpoints, seekpoint_array)) + return false; + + seekpoints--; + printf("testing FLAC__metadata_object_seektable_delete_point() on end of array..."); + if(!FLAC__metadata_object_seektable_delete_point(block, 2)) { + printf("FAILED, returned false\n"); + return false; + } + if(!check_seektable_(block, seekpoints, seekpoint_array)) + return false; + + seekpoints--; + printf("testing FLAC__metadata_object_seektable_delete_point() on beginning of array..."); + if(!FLAC__metadata_object_seektable_delete_point(block, 0)) { + printf("FAILED, returned false\n"); + return false; + } + if(!check_seektable_(block, seekpoints, seekpoint_array+1)) + return false; + + printf("testing FLAC__metadata_object_seektable_set_point()..."); + FLAC__metadata_object_seektable_set_point(block, 0, seekpoint_array[0]); + if(!check_seektable_(block, seekpoints, seekpoint_array)) + return false; + + printf("testing FLAC__metadata_object_delete()... "); + FLAC__metadata_object_delete(block); + printf("OK\n"); + + /* seektable template functions */ + + for(i = 0; i < sizeof(seekpoint_array) / sizeof(FLAC__StreamMetadata_SeekPoint); i++) { + seekpoint_array[i].sample_number = FLAC__STREAM_METADATA_SEEKPOINT_PLACEHOLDER; + seekpoint_array[i].stream_offset = 0; + seekpoint_array[i].frame_samples = 0; + } + + seekpoints = 0; + printf("testing FLAC__metadata_object_new()... "); + block = FLAC__metadata_object_new(FLAC__METADATA_TYPE_SEEKTABLE); + if(0 == block) { + printf("FAILED, returned NULL\n"); + return false; + } + if(!check_seektable_(block, seekpoints, 0)) + return false; + + seekpoints += 2; + printf("testing FLAC__metadata_object_seekpoint_template_append_placeholders()... "); + if(!FLAC__metadata_object_seektable_template_append_placeholders(block, 2)) { + printf("FAILED, returned false\n"); + return false; + } + if(!check_seektable_(block, seekpoints, seekpoint_array)) + return false; + + seekpoint_array[seekpoints++].sample_number = 7; + printf("testing FLAC__metadata_object_seekpoint_template_append_point()... "); + if(!FLAC__metadata_object_seektable_template_append_point(block, 7)) { + printf("FAILED, returned false\n"); + return false; + } + if(!check_seektable_(block, seekpoints, seekpoint_array)) + return false; + + { + FLAC__uint64 nums[2] = { 3, 7 }; + seekpoint_array[seekpoints++].sample_number = nums[0]; + seekpoint_array[seekpoints++].sample_number = nums[1]; + printf("testing FLAC__metadata_object_seekpoint_template_append_points()... "); + if(!FLAC__metadata_object_seektable_template_append_points(block, nums, sizeof(nums)/sizeof(FLAC__uint64))) { + printf("FAILED, returned false\n"); + return false; + } + if(!check_seektable_(block, seekpoints, seekpoint_array)) + return false; + } + + seekpoint_array[seekpoints++].sample_number = 0; + seekpoint_array[seekpoints++].sample_number = 10; + seekpoint_array[seekpoints++].sample_number = 20; + printf("testing FLAC__metadata_object_seekpoint_template_append_spaced_points()... "); + if(!FLAC__metadata_object_seektable_template_append_spaced_points(block, 3, 30)) { + printf("FAILED, returned false\n"); + return false; + } + if(!check_seektable_(block, seekpoints, seekpoint_array)) + return false; + + seekpoints--; + seekpoint_array[0].sample_number = 0; + seekpoint_array[1].sample_number = 3; + seekpoint_array[2].sample_number = 7; + seekpoint_array[3].sample_number = 10; + seekpoint_array[4].sample_number = 20; + seekpoint_array[5].sample_number = FLAC__STREAM_METADATA_SEEKPOINT_PLACEHOLDER; + seekpoint_array[6].sample_number = FLAC__STREAM_METADATA_SEEKPOINT_PLACEHOLDER; + printf("testing FLAC__metadata_object_seekpoint_template_sort(compact=true)... "); + if(!FLAC__metadata_object_seektable_template_sort(block, /*compact=*/true)) { + printf("FAILED, returned false\n"); + return false; + } + if(!FLAC__metadata_object_seektable_is_legal(block)) { + printf("FAILED, seek table is illegal\n"); + return false; + } + if(!check_seektable_(block, seekpoints, seekpoint_array)) + return false; + + printf("testing FLAC__metadata_object_seekpoint_template_sort(compact=false)... "); + if(!FLAC__metadata_object_seektable_template_sort(block, /*compact=*/false)) { + printf("FAILED, returned false\n"); + return false; + } + if(!FLAC__metadata_object_seektable_is_legal(block)) { + printf("FAILED, seek table is illegal\n"); + return false; + } + if(!check_seektable_(block, seekpoints, seekpoint_array)) + return false; + + seekpoint_array[seekpoints++].sample_number = 0; + seekpoint_array[seekpoints++].sample_number = 10; + seekpoint_array[seekpoints++].sample_number = 20; + printf("testing FLAC__metadata_object_seekpoint_template_append_spaced_points_by_samples()... "); + if(!FLAC__metadata_object_seektable_template_append_spaced_points_by_samples(block, 10, 30)) { + printf("FAILED, returned false\n"); + return false; + } + if(!check_seektable_(block, seekpoints, seekpoint_array)) + return false; + + seekpoint_array[seekpoints++].sample_number = 0; + seekpoint_array[seekpoints++].sample_number = 11; + seekpoint_array[seekpoints++].sample_number = 22; + printf("testing FLAC__metadata_object_seekpoint_template_append_spaced_points_by_samples()... "); + if(!FLAC__metadata_object_seektable_template_append_spaced_points_by_samples(block, 11, 30)) { + printf("FAILED, returned false\n"); + return false; + } + if(!check_seektable_(block, seekpoints, seekpoint_array)) + return false; + + printf("testing FLAC__metadata_object_delete()... "); + FLAC__metadata_object_delete(block); + printf("OK\n"); + + + printf("testing VORBIS_COMMENT\n"); + + { + FLAC__StreamMetadata_VorbisComment_Entry entry_; + char *field_name, *field_value; + + printf("testing FLAC__metadata_object_vorbiscomment_entry_from_name_value_pair()... "); + if(!FLAC__metadata_object_vorbiscomment_entry_from_name_value_pair(&entry_, "name", "value")) { + printf("FAILED, returned false\n"); + return false; + } + if(strcmp((const char *)entry_.entry, "name=value")) { + printf("FAILED, field mismatch\n"); + return false; + } + printf("OK\n"); + + printf("testing FLAC__metadata_object_vorbiscomment_entry_to_name_value_pair()... "); + if(!FLAC__metadata_object_vorbiscomment_entry_to_name_value_pair(entry_, &field_name, &field_value)) { + printf("FAILED, returned false\n"); + return false; + } + if(strcmp(field_name, "name")) { + printf("FAILED, field name mismatch\n"); + return false; + } + if(strcmp(field_value, "value")) { + printf("FAILED, field value mismatch\n"); + return false; + } + printf("OK\n"); + + printf("testing FLAC__metadata_object_vorbiscomment_entry_matches()... "); + if(!FLAC__metadata_object_vorbiscomment_entry_matches(entry_, field_name, strlen(field_name))) { + printf("FAILED, expected true, returned false\n"); + return false; + } + printf("OK\n"); + + printf("testing FLAC__metadata_object_vorbiscomment_entry_matches()... "); + if(FLAC__metadata_object_vorbiscomment_entry_matches(entry_, "blah", strlen("blah"))) { + printf("FAILED, expected false, returned true\n"); + return false; + } + printf("OK\n"); + + free(entry_.entry); + free(field_name); + free(field_value); + } + + printf("testing FLAC__metadata_object_new()... "); + block = FLAC__metadata_object_new(FLAC__METADATA_TYPE_VORBIS_COMMENT); + if(0 == block) { + printf("FAILED, returned NULL\n"); + return false; + } + expected_length = (FLAC__STREAM_METADATA_VORBIS_COMMENT_ENTRY_LENGTH_LEN/8 + strlen(FLAC__VENDOR_STRING) + FLAC__STREAM_METADATA_VORBIS_COMMENT_NUM_COMMENTS_LEN/8); + if(block->length != expected_length) { + printf("FAILED, bad length, expected %u, got %u\n", expected_length, block->length); + return false; + } + printf("OK\n"); + + printf("testing FLAC__metadata_object_clone()... "); + vorbiscomment = FLAC__metadata_object_clone(block); + if(0 == vorbiscomment) { + printf("FAILED, returned NULL\n"); + return false; + } + if(!mutils__compare_block(vorbiscomment, block)) + return false; + printf("OK\n"); + + vc_resize_(vorbiscomment, 2); + printf("testing FLAC__metadata_object_vorbiscomment_resize_comments(grow to %u)...", vorbiscomment->data.vorbis_comment.num_comments); + if(!FLAC__metadata_object_vorbiscomment_resize_comments(block, vorbiscomment->data.vorbis_comment.num_comments)) { + printf("FAILED, returned false\n"); + return false; + } + if(!mutils__compare_block(vorbiscomment, block)) + return false; + printf("OK\n"); + + vc_resize_(vorbiscomment, 1); + printf("testing FLAC__metadata_object_vorbiscomment_resize_comments(shrink to %u)...", vorbiscomment->data.vorbis_comment.num_comments); + if(!FLAC__metadata_object_vorbiscomment_resize_comments(block, vorbiscomment->data.vorbis_comment.num_comments)) { + printf("FAILED, returned false\n"); + return false; + } + if(!mutils__compare_block(vorbiscomment, block)) + return false; + printf("OK\n"); + + vc_resize_(vorbiscomment, 0); + printf("testing FLAC__metadata_object_vorbiscomment_resize_comments(shrink to %u)...", vorbiscomment->data.vorbis_comment.num_comments); + if(!FLAC__metadata_object_vorbiscomment_resize_comments(block, vorbiscomment->data.vorbis_comment.num_comments)) { + printf("FAILED, returned false\n"); + return false; + } + if(!mutils__compare_block(vorbiscomment, block)) + return false; + printf("OK\n"); + + printf("testing FLAC__metadata_object_vorbiscomment_append_comment(copy) on empty array..."); + vc_insert_new_(&entry, vorbiscomment, 0, "name1=field1"); + if(!FLAC__metadata_object_vorbiscomment_append_comment(block, entry, /*copy=*/true)) { + printf("FAILED, returned false\n"); + return false; + } + if(!mutils__compare_block(vorbiscomment, block)) + return false; + printf("OK\n"); + + printf("testing FLAC__metadata_object_vorbiscomment_append_comment(copy) on non-empty array..."); + vc_insert_new_(&entry, vorbiscomment, 1, "name2=field2"); + if(!FLAC__metadata_object_vorbiscomment_append_comment(block, entry, /*copy=*/true)) { + printf("FAILED, returned false\n"); + return false; + } + if(!mutils__compare_block(vorbiscomment, block)) + return false; + printf("OK\n"); + + vc_resize_(vorbiscomment, 0); + printf("testing FLAC__metadata_object_vorbiscomment_resize_comments(shrink to %u)...", vorbiscomment->data.vorbis_comment.num_comments); + if(!FLAC__metadata_object_vorbiscomment_resize_comments(block, vorbiscomment->data.vorbis_comment.num_comments)) { + printf("FAILED, returned false\n"); + return false; + } + if(!mutils__compare_block(vorbiscomment, block)) + return false; + printf("OK\n"); + + printf("testing FLAC__metadata_object_vorbiscomment_insert_comment(copy) on empty array..."); + vc_insert_new_(&entry, vorbiscomment, 0, "name1=field1"); + if(!FLAC__metadata_object_vorbiscomment_insert_comment(block, 0, entry, /*copy=*/true)) { + printf("FAILED, returned false\n"); + return false; + } + if(!mutils__compare_block(vorbiscomment, block)) + return false; + printf("OK\n"); + + printf("testing FLAC__metadata_object_vorbiscomment_insert_comment(copy) on beginning of non-empty array..."); + vc_insert_new_(&entry, vorbiscomment, 0, "name2=field2"); + if(!FLAC__metadata_object_vorbiscomment_insert_comment(block, 0, entry, /*copy=*/true)) { + printf("FAILED, returned false\n"); + return false; + } + if(!mutils__compare_block(vorbiscomment, block)) + return false; + printf("OK\n"); + + printf("testing FLAC__metadata_object_vorbiscomment_insert_comment(copy) on middle of non-empty array..."); + vc_insert_new_(&entry, vorbiscomment, 1, "name3=field3"); + if(!FLAC__metadata_object_vorbiscomment_insert_comment(block, 1, entry, /*copy=*/true)) { + printf("FAILED, returned false\n"); + return false; + } + if(!mutils__compare_block(vorbiscomment, block)) + return false; + printf("OK\n"); + + printf("testing FLAC__metadata_object_vorbiscomment_insert_comment(copy) on end of non-empty array..."); + vc_insert_new_(&entry, vorbiscomment, 3, "name4=field4"); + if(!FLAC__metadata_object_vorbiscomment_insert_comment(block, 3, entry, /*copy=*/true)) { + printf("FAILED, returned false\n"); + return false; + } + if(!mutils__compare_block(vorbiscomment, block)) + return false; + printf("OK\n"); + + printf("testing FLAC__metadata_object_vorbiscomment_insert_comment(copy) on end of non-empty array..."); + vc_insert_new_(&entry, vorbiscomment, 4, "name3=field3dup1"); + if(!FLAC__metadata_object_vorbiscomment_insert_comment(block, 4, entry, /*copy=*/true)) { + printf("FAILED, returned false\n"); + return false; + } + if(!mutils__compare_block(vorbiscomment, block)) + return false; + printf("OK\n"); + + printf("testing FLAC__metadata_object_vorbiscomment_insert_comment(copy) on end of non-empty array..."); + vc_insert_new_(&entry, vorbiscomment, 5, "name3=field3dup1"); + if(!FLAC__metadata_object_vorbiscomment_insert_comment(block, 5, entry, /*copy=*/true)) { + printf("FAILED, returned false\n"); + return false; + } + if(!mutils__compare_block(vorbiscomment, block)) + return false; + printf("OK\n"); + + printf("testing FLAC__metadata_object_vorbiscomment_find_entry_from()..."); + if((j = FLAC__metadata_object_vorbiscomment_find_entry_from(block, 0, "name3")) != 1) { + printf("FAILED, expected 1, got %d\n", j); + return false; + } + printf("OK\n"); + + printf("testing FLAC__metadata_object_vorbiscomment_find_entry_from()..."); + if((j = FLAC__metadata_object_vorbiscomment_find_entry_from(block, j+1, "name3")) != 4) { + printf("FAILED, expected 4, got %d\n", j); + return false; + } + printf("OK\n"); + + printf("testing FLAC__metadata_object_vorbiscomment_find_entry_from()..."); + if((j = FLAC__metadata_object_vorbiscomment_find_entry_from(block, j+1, "name3")) != 5) { + printf("FAILED, expected 5, got %d\n", j); + return false; + } + printf("OK\n"); + + printf("testing FLAC__metadata_object_vorbiscomment_find_entry_from()..."); + if((j = FLAC__metadata_object_vorbiscomment_find_entry_from(block, 0, "name2")) != 0) { + printf("FAILED, expected 0, got %d\n", j); + return false; + } + printf("OK\n"); + + printf("testing FLAC__metadata_object_vorbiscomment_find_entry_from()..."); + if((j = FLAC__metadata_object_vorbiscomment_find_entry_from(block, j+1, "name2")) != -1) { + printf("FAILED, expected -1, got %d\n", j); + return false; + } + printf("OK\n"); + + printf("testing FLAC__metadata_object_vorbiscomment_find_entry_from()..."); + if((j = FLAC__metadata_object_vorbiscomment_find_entry_from(block, 0, "blah")) != -1) { + printf("FAILED, expected -1, got %d\n", j); + return false; + } + printf("OK\n"); + + printf("testing FLAC__metadata_object_vorbiscomment_replace_comment(first, copy)..."); + vc_replace_new_(&entry, vorbiscomment, "name3=field3new1", /*all=*/false); + if(!FLAC__metadata_object_vorbiscomment_replace_comment(block, entry, /*all=*/false, /*copy=*/true)) { + printf("FAILED, returned false\n"); + return false; + } + if(!mutils__compare_block(vorbiscomment, block)) + return false; + if(block->data.vorbis_comment.num_comments != 6) { + printf("FAILED, expected 6 comments, got %u\n", block->data.vorbis_comment.num_comments); + return false; + } + printf("OK\n"); + + printf("testing FLAC__metadata_object_vorbiscomment_replace_comment(all, copy)..."); + vc_replace_new_(&entry, vorbiscomment, "name3=field3new2", /*all=*/true); + if(!FLAC__metadata_object_vorbiscomment_replace_comment(block, entry, /*all=*/true, /*copy=*/true)) { + printf("FAILED, returned false\n"); + return false; + } + if(!mutils__compare_block(vorbiscomment, block)) + return false; + if(block->data.vorbis_comment.num_comments != 4) { + printf("FAILED, expected 4 comments, got %u\n", block->data.vorbis_comment.num_comments); + return false; + } + printf("OK\n"); + + printf("testing FLAC__metadata_object_clone()... "); + blockcopy = FLAC__metadata_object_clone(block); + if(0 == blockcopy) { + printf("FAILED, returned NULL\n"); + return false; + } + if(!mutils__compare_block(block, blockcopy)) + return false; + printf("OK\n"); + + printf("testing FLAC__metadata_object_delete()... "); + FLAC__metadata_object_delete(blockcopy); + printf("OK\n"); + + printf("testing FLAC__metadata_object_vorbiscomment_delete_comment() on middle of array..."); + vc_delete_(vorbiscomment, 2); + if(!FLAC__metadata_object_vorbiscomment_delete_comment(block, 2)) { + printf("FAILED, returned false\n"); + return false; + } + if(!mutils__compare_block(vorbiscomment, block)) + return false; + printf("OK\n"); + + printf("testing FLAC__metadata_object_vorbiscomment_delete_comment() on end of array..."); + vc_delete_(vorbiscomment, 2); + if(!FLAC__metadata_object_vorbiscomment_delete_comment(block, 2)) { + printf("FAILED, returned false\n"); + return false; + } + if(!mutils__compare_block(vorbiscomment, block)) + return false; + printf("OK\n"); + + printf("testing FLAC__metadata_object_vorbiscomment_delete_comment() on beginning of array..."); + vc_delete_(vorbiscomment, 0); + if(!FLAC__metadata_object_vorbiscomment_delete_comment(block, 0)) { + printf("FAILED, returned false\n"); + return false; + } + if(!mutils__compare_block(vorbiscomment, block)) + return false; + printf("OK\n"); + + printf("testing FLAC__metadata_object_vorbiscomment_append_comment(copy) on non-empty array..."); + vc_insert_new_(&entry, vorbiscomment, 1, "rem0=val0"); + if(!FLAC__metadata_object_vorbiscomment_append_comment(block, entry, /*copy=*/true)) { + printf("FAILED, returned false\n"); + return false; + } + if(!mutils__compare_block(vorbiscomment, block)) + return false; + printf("OK\n"); + + printf("testing FLAC__metadata_object_vorbiscomment_append_comment(copy) on non-empty array..."); + vc_insert_new_(&entry, vorbiscomment, 2, "rem0=val1"); + if(!FLAC__metadata_object_vorbiscomment_append_comment(block, entry, /*copy=*/true)) { + printf("FAILED, returned false\n"); + return false; + } + if(!mutils__compare_block(vorbiscomment, block)) + return false; + printf("OK\n"); + + printf("testing FLAC__metadata_object_vorbiscomment_append_comment(copy) on non-empty array..."); + vc_insert_new_(&entry, vorbiscomment, 3, "rem0=val2"); + if(!FLAC__metadata_object_vorbiscomment_append_comment(block, entry, /*copy=*/true)) { + printf("FAILED, returned false\n"); + return false; + } + if(!mutils__compare_block(vorbiscomment, block)) + return false; + printf("OK\n"); + + printf("testing FLAC__metadata_object_vorbiscomment_remove_entry_matching(\"blah\")..."); + if((j = FLAC__metadata_object_vorbiscomment_remove_entry_matching(block, "blah")) != 0) { + printf("FAILED, expected 0, got %d\n", j); + return false; + } + if(block->data.vorbis_comment.num_comments != 4) { + printf("FAILED, expected 4 comments, got %u\n", block->data.vorbis_comment.num_comments); + return false; + } + if(!mutils__compare_block(vorbiscomment, block)) + return false; + printf("OK\n"); + + printf("testing FLAC__metadata_object_vorbiscomment_remove_entry_matching(\"rem0\")..."); + vc_delete_(vorbiscomment, 1); + if((j = FLAC__metadata_object_vorbiscomment_remove_entry_matching(block, "rem0")) != 1) { + printf("FAILED, expected 1, got %d\n", j); + return false; + } + if(block->data.vorbis_comment.num_comments != 3) { + printf("FAILED, expected 3 comments, got %u\n", block->data.vorbis_comment.num_comments); + return false; + } + if(!mutils__compare_block(vorbiscomment, block)) + return false; + printf("OK\n"); + + printf("testing FLAC__metadata_object_vorbiscomment_remove_entries_matching(\"blah\")..."); + if((j = FLAC__metadata_object_vorbiscomment_remove_entries_matching(block, "blah")) != 0) { + printf("FAILED, expected 0, got %d\n", j); + return false; + } + if(block->data.vorbis_comment.num_comments != 3) { + printf("FAILED, expected 3 comments, got %u\n", block->data.vorbis_comment.num_comments); + return false; + } + if(!mutils__compare_block(vorbiscomment, block)) + return false; + printf("OK\n"); + + printf("testing FLAC__metadata_object_vorbiscomment_remove_entries_matching(\"rem0\")..."); + vc_delete_(vorbiscomment, 1); + vc_delete_(vorbiscomment, 1); + if((j = FLAC__metadata_object_vorbiscomment_remove_entries_matching(block, "rem0")) != 2) { + printf("FAILED, expected 2, got %d\n", j); + return false; + } + if(block->data.vorbis_comment.num_comments != 1) { + printf("FAILED, expected 1 comments, got %u\n", block->data.vorbis_comment.num_comments); + return false; + } + if(!mutils__compare_block(vorbiscomment, block)) + return false; + printf("OK\n"); + + printf("testing FLAC__metadata_object_vorbiscomment_set_comment(copy)..."); + vc_set_new_(&entry, vorbiscomment, 0, "name5=field5"); + FLAC__metadata_object_vorbiscomment_set_comment(block, 0, entry, /*copy=*/true); + if(!mutils__compare_block(vorbiscomment, block)) + return false; + printf("OK\n"); + + printf("testing FLAC__metadata_object_vorbiscomment_set_vendor_string(copy)..."); + vc_set_vs_new_(&entry, vorbiscomment, "name6=field6"); + FLAC__metadata_object_vorbiscomment_set_vendor_string(block, entry, /*copy=*/true); + if(!mutils__compare_block(vorbiscomment, block)) + return false; + printf("OK\n"); + + printf("testing FLAC__metadata_object_delete()... "); + FLAC__metadata_object_delete(vorbiscomment); + FLAC__metadata_object_delete(block); + printf("OK\n"); + + + printf("testing FLAC__metadata_object_new()... "); + block = FLAC__metadata_object_new(FLAC__METADATA_TYPE_VORBIS_COMMENT); + if(0 == block) { + printf("FAILED, returned NULL\n"); + return false; + } + printf("OK\n"); + + printf("testing FLAC__metadata_object_clone()... "); + vorbiscomment = FLAC__metadata_object_clone(block); + if(0 == vorbiscomment) { + printf("FAILED, returned NULL\n"); + return false; + } + if(!mutils__compare_block(vorbiscomment, block)) + return false; + printf("OK\n"); + + printf("testing FLAC__metadata_object_vorbiscomment_append_comment(own) on empty array..."); + vc_insert_new_(&entry, vorbiscomment, 0, "name1=field1"); + entry_clone_(&entry); + if(!FLAC__metadata_object_vorbiscomment_append_comment(block, entry, /*copy=*/false)) { + printf("FAILED, returned false\n"); + return false; + } + if(!mutils__compare_block(vorbiscomment, block)) + return false; + printf("OK\n"); + + printf("testing FLAC__metadata_object_vorbiscomment_append_comment(own) on non-empty array..."); + vc_insert_new_(&entry, vorbiscomment, 1, "name2=field2"); + entry_clone_(&entry); + if(!FLAC__metadata_object_vorbiscomment_append_comment(block, entry, /*copy=*/false)) { + printf("FAILED, returned false\n"); + return false; + } + if(!mutils__compare_block(vorbiscomment, block)) + return false; + printf("OK\n"); + + printf("testing FLAC__metadata_object_delete()... "); + FLAC__metadata_object_delete(vorbiscomment); + FLAC__metadata_object_delete(block); + printf("OK\n"); + + printf("testing FLAC__metadata_object_new()... "); + block = FLAC__metadata_object_new(FLAC__METADATA_TYPE_VORBIS_COMMENT); + if(0 == block) { + printf("FAILED, returned NULL\n"); + return false; + } + printf("OK\n"); + + printf("testing FLAC__metadata_object_clone()... "); + vorbiscomment = FLAC__metadata_object_clone(block); + if(0 == vorbiscomment) { + printf("FAILED, returned NULL\n"); + return false; + } + if(!mutils__compare_block(vorbiscomment, block)) + return false; + printf("OK\n"); + + printf("testing FLAC__metadata_object_vorbiscomment_insert_comment(own) on empty array..."); + vc_insert_new_(&entry, vorbiscomment, 0, "name1=field1"); + entry_clone_(&entry); + if(!FLAC__metadata_object_vorbiscomment_insert_comment(block, 0, entry, /*copy=*/false)) { + printf("FAILED, returned false\n"); + return false; + } + if(!mutils__compare_block(vorbiscomment, block)) + return false; + printf("OK\n"); + + printf("testing FLAC__metadata_object_vorbiscomment_insert_comment(own) on beginning of non-empty array..."); + vc_insert_new_(&entry, vorbiscomment, 0, "name2=field2"); + entry_clone_(&entry); + if(!FLAC__metadata_object_vorbiscomment_insert_comment(block, 0, entry, /*copy=*/false)) { + printf("FAILED, returned false\n"); + return false; + } + if(!mutils__compare_block(vorbiscomment, block)) + return false; + printf("OK\n"); + + printf("testing FLAC__metadata_object_vorbiscomment_insert_comment(own) on middle of non-empty array..."); + vc_insert_new_(&entry, vorbiscomment, 1, "name3=field3"); + entry_clone_(&entry); + if(!FLAC__metadata_object_vorbiscomment_insert_comment(block, 1, entry, /*copy=*/false)) { + printf("FAILED, returned false\n"); + return false; + } + if(!mutils__compare_block(vorbiscomment, block)) + return false; + printf("OK\n"); + + printf("testing FLAC__metadata_object_vorbiscomment_insert_comment(own) on end of non-empty array..."); + vc_insert_new_(&entry, vorbiscomment, 3, "name4=field4"); + entry_clone_(&entry); + if(!FLAC__metadata_object_vorbiscomment_insert_comment(block, 3, entry, /*copy=*/false)) { + printf("FAILED, returned false\n"); + return false; + } + if(!mutils__compare_block(vorbiscomment, block)) + return false; + printf("OK\n"); + + printf("testing FLAC__metadata_object_vorbiscomment_insert_comment(own) on end of non-empty array..."); + vc_insert_new_(&entry, vorbiscomment, 4, "name3=field3dup1"); + entry_clone_(&entry); + if(!FLAC__metadata_object_vorbiscomment_insert_comment(block, 4, entry, /*copy=*/false)) { + printf("FAILED, returned false\n"); + return false; + } + if(!mutils__compare_block(vorbiscomment, block)) + return false; + printf("OK\n"); + + printf("testing FLAC__metadata_object_vorbiscomment_insert_comment(own) on end of non-empty array..."); + vc_insert_new_(&entry, vorbiscomment, 5, "name3=field3dup1"); + entry_clone_(&entry); + if(!FLAC__metadata_object_vorbiscomment_insert_comment(block, 5, entry, /*copy=*/false)) { + printf("FAILED, returned false\n"); + return false; + } + if(!mutils__compare_block(vorbiscomment, block)) + return false; + printf("OK\n"); + + printf("testing FLAC__metadata_object_vorbiscomment_replace_comment(first, own)..."); + vc_replace_new_(&entry, vorbiscomment, "name3=field3new1", /*all=*/false); + entry_clone_(&entry); + if(!FLAC__metadata_object_vorbiscomment_replace_comment(block, entry, /*all=*/false, /*copy=*/false)) { + printf("FAILED, returned false\n"); + return false; + } + if(!mutils__compare_block(vorbiscomment, block)) + return false; + if(block->data.vorbis_comment.num_comments != 6) { + printf("FAILED, expected 6 comments, got %u\n", block->data.vorbis_comment.num_comments); + return false; + } + printf("OK\n"); + + printf("testing FLAC__metadata_object_vorbiscomment_replace_comment(all, own)..."); + vc_replace_new_(&entry, vorbiscomment, "name3=field3new2", /*all=*/true); + entry_clone_(&entry); + if(!FLAC__metadata_object_vorbiscomment_replace_comment(block, entry, /*all=*/true, /*copy=*/false)) { + printf("FAILED, returned false\n"); + return false; + } + if(!mutils__compare_block(vorbiscomment, block)) + return false; + if(block->data.vorbis_comment.num_comments != 4) { + printf("FAILED, expected 4 comments, got %u\n", block->data.vorbis_comment.num_comments); + return false; + } + printf("OK\n"); + + printf("testing FLAC__metadata_object_vorbiscomment_delete_comment() on middle of array..."); + vc_delete_(vorbiscomment, 2); + if(!FLAC__metadata_object_vorbiscomment_delete_comment(block, 2)) { + printf("FAILED, returned false\n"); + return false; + } + if(!mutils__compare_block(vorbiscomment, block)) + return false; + printf("OK\n"); + + printf("testing FLAC__metadata_object_vorbiscomment_delete_comment() on end of array..."); + vc_delete_(vorbiscomment, 2); + if(!FLAC__metadata_object_vorbiscomment_delete_comment(block, 2)) { + printf("FAILED, returned false\n"); + return false; + } + if(!mutils__compare_block(vorbiscomment, block)) + return false; + printf("OK\n"); + + printf("testing FLAC__metadata_object_vorbiscomment_delete_comment() on beginning of array..."); + vc_delete_(vorbiscomment, 0); + if(!FLAC__metadata_object_vorbiscomment_delete_comment(block, 0)) { + printf("FAILED, returned false\n"); + return false; + } + if(!mutils__compare_block(vorbiscomment, block)) + return false; + printf("OK\n"); + + printf("testing FLAC__metadata_object_vorbiscomment_set_comment(own)..."); + vc_set_new_(&entry, vorbiscomment, 0, "name5=field5"); + entry_clone_(&entry); + FLAC__metadata_object_vorbiscomment_set_comment(block, 0, entry, /*copy=*/false); + if(!mutils__compare_block(vorbiscomment, block)) + return false; + printf("OK\n"); + + printf("testing FLAC__metadata_object_vorbiscomment_set_vendor_string(own)..."); + vc_set_vs_new_(&entry, vorbiscomment, "name6=field6"); + entry_clone_(&entry); + FLAC__metadata_object_vorbiscomment_set_vendor_string(block, entry, /*copy=*/false); + if(!mutils__compare_block(vorbiscomment, block)) + return false; + printf("OK\n"); + + printf("testing FLAC__metadata_object_delete()... "); + FLAC__metadata_object_delete(vorbiscomment); + FLAC__metadata_object_delete(block); + printf("OK\n"); + + + printf("testing CUESHEET\n"); + + { + FLAC__StreamMetadata_CueSheet_Track *track_, *trackcopy_; + + printf("testing FLAC__metadata_object_cuesheet_track_new()... "); + track_ = FLAC__metadata_object_cuesheet_track_new(); + if(0 == track_) { + printf("FAILED, returned NULL\n"); + return false; + } + printf("OK\n"); + + printf("testing FLAC__metadata_object_cuesheet_track_clone()... "); + trackcopy_ = FLAC__metadata_object_cuesheet_track_clone(track_); + if(0 == trackcopy_) { + printf("FAILED, returned NULL\n"); + return false; + } + if(!compare_track_(trackcopy_, track_)) + return false; + printf("OK\n"); + + printf("testing FLAC__metadata_object_cuesheet_track_delete()... "); + FLAC__metadata_object_cuesheet_track_delete(trackcopy_); + FLAC__metadata_object_cuesheet_track_delete(track_); + printf("OK\n"); + } + + + printf("testing FLAC__metadata_object_new()... "); + block = FLAC__metadata_object_new(FLAC__METADATA_TYPE_CUESHEET); + if(0 == block) { + printf("FAILED, returned NULL\n"); + return false; + } + expected_length = ( + FLAC__STREAM_METADATA_CUESHEET_MEDIA_CATALOG_NUMBER_LEN + + FLAC__STREAM_METADATA_CUESHEET_LEAD_IN_LEN + + FLAC__STREAM_METADATA_CUESHEET_IS_CD_LEN + + FLAC__STREAM_METADATA_CUESHEET_RESERVED_LEN + + FLAC__STREAM_METADATA_CUESHEET_NUM_TRACKS_LEN + ) / 8; + if(block->length != expected_length) { + printf("FAILED, bad length, expected %u, got %u\n", expected_length, block->length); + return false; + } + printf("OK\n"); + + printf("testing FLAC__metadata_object_clone()... "); + cuesheet = FLAC__metadata_object_clone(block); + if(0 == cuesheet) { + printf("FAILED, returned NULL\n"); + return false; + } + if(!mutils__compare_block(cuesheet, block)) + return false; + printf("OK\n"); + + cs_resize_(cuesheet, 2); + printf("testing FLAC__metadata_object_cuesheet_resize_tracks(grow to %u)...", cuesheet->data.cue_sheet.num_tracks); + if(!FLAC__metadata_object_cuesheet_resize_tracks(block, cuesheet->data.cue_sheet.num_tracks)) { + printf("FAILED, returned false\n"); + return false; + } + if(!mutils__compare_block(cuesheet, block)) + return false; + printf("OK\n"); + + cs_resize_(cuesheet, 1); + printf("testing FLAC__metadata_object_cuesheet_resize_tracks(shrink to %u)...", cuesheet->data.cue_sheet.num_tracks); + if(!FLAC__metadata_object_cuesheet_resize_tracks(block, cuesheet->data.cue_sheet.num_tracks)) { + printf("FAILED, returned false\n"); + return false; + } + if(!mutils__compare_block(cuesheet, block)) + return false; + printf("OK\n"); + + cs_resize_(cuesheet, 0); + printf("testing FLAC__metadata_object_cuesheet_resize_tracks(shrink to %u)...", cuesheet->data.cue_sheet.num_tracks); + if(!FLAC__metadata_object_cuesheet_resize_tracks(block, cuesheet->data.cue_sheet.num_tracks)) { + printf("FAILED, returned false\n"); + return false; + } + if(!mutils__compare_block(cuesheet, block)) + return false; + printf("OK\n"); + + printf("testing FLAC__metadata_object_cuesheet_insert_track(copy) on empty array..."); + cs_insert_new_(&track, cuesheet, 0, 0, 1, "ABCDE1234567", false, false); + if(!FLAC__metadata_object_cuesheet_insert_track(block, 0, &track, /*copy=*/true)) { + printf("FAILED, returned false\n"); + return false; + } + if(!mutils__compare_block(cuesheet, block)) + return false; + printf("OK\n"); + + printf("testing FLAC__metadata_object_cuesheet_insert_track(copy) on beginning of non-empty array..."); + cs_insert_new_(&track, cuesheet, 0, 10, 2, "BBCDE1234567", false, false); + if(!FLAC__metadata_object_cuesheet_insert_track(block, 0, &track, /*copy=*/true)) { + printf("FAILED, returned false\n"); + return false; + } + if(!mutils__compare_block(cuesheet, block)) + return false; + printf("OK\n"); + + printf("testing FLAC__metadata_object_cuesheet_insert_track(copy) on middle of non-empty array..."); + cs_insert_new_(&track, cuesheet, 1, 20, 3, "CBCDE1234567", false, false); + if(!FLAC__metadata_object_cuesheet_insert_track(block, 1, &track, /*copy=*/true)) { + printf("FAILED, returned false\n"); + return false; + } + if(!mutils__compare_block(cuesheet, block)) + return false; + printf("OK\n"); + + printf("testing FLAC__metadata_object_cuesheet_insert_track(copy) on end of non-empty array..."); + cs_insert_new_(&track, cuesheet, 3, 30, 4, "DBCDE1234567", false, false); + if(!FLAC__metadata_object_cuesheet_insert_track(block, 3, &track, /*copy=*/true)) { + printf("FAILED, returned false\n"); + return false; + } + if(!mutils__compare_block(cuesheet, block)) + return false; + printf("OK\n"); + + printf("testing FLAC__metadata_object_cuesheet_insert_blank_track() on end of non-empty array..."); + cs_insert_new_(&track, cuesheet, 4, 0, 0, "\0\0\0\0\0\0\0\0\0\0\0\0", false, false); + if(!FLAC__metadata_object_cuesheet_insert_blank_track(block, 4)) { + printf("FAILED, returned false\n"); + return false; + } + if(!mutils__compare_block(cuesheet, block)) + return false; + printf("OK\n"); + + printf("testing FLAC__metadata_object_clone()... "); + blockcopy = FLAC__metadata_object_clone(block); + if(0 == blockcopy) { + printf("FAILED, returned NULL\n"); + return false; + } + if(!mutils__compare_block(block, blockcopy)) + return false; + printf("OK\n"); + + printf("testing FLAC__metadata_object_delete()... "); + FLAC__metadata_object_delete(blockcopy); + printf("OK\n"); + + printf("testing FLAC__metadata_object_cuesheet_delete_track() on end of array..."); + cs_delete_(cuesheet, 4); + if(!FLAC__metadata_object_cuesheet_delete_track(block, 4)) { + printf("FAILED, returned false\n"); + return false; + } + if(!mutils__compare_block(cuesheet, block)) + return false; + printf("OK\n"); + + printf("testing FLAC__metadata_object_cuesheet_delete_track() on middle of array..."); + cs_delete_(cuesheet, 2); + if(!FLAC__metadata_object_cuesheet_delete_track(block, 2)) { + printf("FAILED, returned false\n"); + return false; + } + if(!mutils__compare_block(cuesheet, block)) + return false; + printf("OK\n"); + + printf("testing FLAC__metadata_object_cuesheet_delete_track() on end of array..."); + cs_delete_(cuesheet, 2); + if(!FLAC__metadata_object_cuesheet_delete_track(block, 2)) { + printf("FAILED, returned false\n"); + return false; + } + if(!mutils__compare_block(cuesheet, block)) + return false; + printf("OK\n"); + + printf("testing FLAC__metadata_object_cuesheet_delete_track() on beginning of array..."); + cs_delete_(cuesheet, 0); + if(!FLAC__metadata_object_cuesheet_delete_track(block, 0)) { + printf("FAILED, returned false\n"); + return false; + } + if(!mutils__compare_block(cuesheet, block)) + return false; + printf("OK\n"); + + printf("testing FLAC__metadata_object_cuesheet_set_track(copy)..."); + cs_set_new_(&track, cuesheet, 0, 40, 5, "EBCDE1234567", false, false); + FLAC__metadata_object_cuesheet_set_track(block, 0, &track, /*copy=*/true); + if(!mutils__compare_block(cuesheet, block)) + return false; + printf("OK\n"); + + tr_resize_(cuesheet, 0, 2); + printf("testing FLAC__metadata_object_cuesheet_track_resize_indices(grow to %u)...", cuesheet->data.cue_sheet.tracks[0].num_indices); + if(!FLAC__metadata_object_cuesheet_track_resize_indices(block, 0, cuesheet->data.cue_sheet.tracks[0].num_indices)) { + printf("FAILED, returned false\n"); + return false; + } + if(!mutils__compare_block(cuesheet, block)) + return false; + printf("OK\n"); + + tr_resize_(cuesheet, 0, 1); + printf("testing FLAC__metadata_object_cuesheet_track_resize_indices(shrink to %u)...", cuesheet->data.cue_sheet.tracks[0].num_indices); + if(!FLAC__metadata_object_cuesheet_track_resize_indices(block, 0, cuesheet->data.cue_sheet.tracks[0].num_indices)) { + printf("FAILED, returned false\n"); + return false; + } + if(!mutils__compare_block(cuesheet, block)) + return false; + printf("OK\n"); + + tr_resize_(cuesheet, 0, 0); + printf("testing FLAC__metadata_object_cuesheet_track_resize_indices(shrink to %u)...", cuesheet->data.cue_sheet.tracks[0].num_indices); + if(!FLAC__metadata_object_cuesheet_track_resize_indices(block, 0, cuesheet->data.cue_sheet.tracks[0].num_indices)) { + printf("FAILED, returned false\n"); + return false; + } + if(!mutils__compare_block(cuesheet, block)) + return false; + printf("OK\n"); + + indx.offset = 0; + indx.number = 1; + printf("testing FLAC__metadata_object_cuesheet_track_insert_index() on empty array..."); + tr_insert_new_(cuesheet, 0, 0, indx); + if(!FLAC__metadata_object_cuesheet_track_insert_index(block, 0, 0, indx)) { + printf("FAILED, returned false\n"); + return false; + } + if(!mutils__compare_block(cuesheet, block)) + return false; + printf("OK\n"); + + indx.offset = 10; + indx.number = 2; + printf("testing FLAC__metadata_object_cuesheet_track_insert_index() on beginning of non-empty array..."); + tr_insert_new_(cuesheet, 0, 0, indx); + if(!FLAC__metadata_object_cuesheet_track_insert_index(block, 0, 0, indx)) { + printf("FAILED, returned false\n"); + return false; + } + if(!mutils__compare_block(cuesheet, block)) + return false; + printf("OK\n"); + + indx.offset = 20; + indx.number = 3; + printf("testing FLAC__metadata_object_cuesheet_track_insert_index() on middle of non-empty array..."); + tr_insert_new_(cuesheet, 0, 1, indx); + if(!FLAC__metadata_object_cuesheet_track_insert_index(block, 0, 1, indx)) { + printf("FAILED, returned false\n"); + return false; + } + if(!mutils__compare_block(cuesheet, block)) + return false; + printf("OK\n"); + + indx.offset = 30; + indx.number = 4; + printf("testing FLAC__metadata_object_cuesheet_track_insert_index() on end of non-empty array..."); + tr_insert_new_(cuesheet, 0, 3, indx); + if(!FLAC__metadata_object_cuesheet_track_insert_index(block, 0, 3, indx)) { + printf("FAILED, returned false\n"); + return false; + } + if(!mutils__compare_block(cuesheet, block)) + return false; + printf("OK\n"); + + indx.offset = 0; + indx.number = 0; + printf("testing FLAC__metadata_object_cuesheet_track_insert_blank_index() on end of non-empty array..."); + tr_insert_new_(cuesheet, 0, 4, indx); + if(!FLAC__metadata_object_cuesheet_track_insert_blank_index(block, 0, 4)) { + printf("FAILED, returned false\n"); + return false; + } + if(!mutils__compare_block(cuesheet, block)) + return false; + printf("OK\n"); + + printf("testing FLAC__metadata_object_clone()... "); + blockcopy = FLAC__metadata_object_clone(block); + if(0 == blockcopy) { + printf("FAILED, returned NULL\n"); + return false; + } + if(!mutils__compare_block(block, blockcopy)) + return false; + printf("OK\n"); + + printf("testing FLAC__metadata_object_delete()... "); + FLAC__metadata_object_delete(blockcopy); + printf("OK\n"); + + printf("testing FLAC__metadata_object_cuesheet_track_delete_index() on end of array..."); + tr_delete_(cuesheet, 0, 4); + if(!FLAC__metadata_object_cuesheet_track_delete_index(block, 0, 4)) { + printf("FAILED, returned false\n"); + return false; + } + if(!mutils__compare_block(cuesheet, block)) + return false; + printf("OK\n"); + + printf("testing FLAC__metadata_object_cuesheet_track_delete_index() on middle of array..."); + tr_delete_(cuesheet, 0, 2); + if(!FLAC__metadata_object_cuesheet_track_delete_index(block, 0, 2)) { + printf("FAILED, returned false\n"); + return false; + } + if(!mutils__compare_block(cuesheet, block)) + return false; + printf("OK\n"); + + printf("testing FLAC__metadata_object_cuesheet_track_delete_index() on end of array..."); + tr_delete_(cuesheet, 0, 2); + if(!FLAC__metadata_object_cuesheet_track_delete_index(block, 0, 2)) { + printf("FAILED, returned false\n"); + return false; + } + if(!mutils__compare_block(cuesheet, block)) + return false; + printf("OK\n"); + + printf("testing FLAC__metadata_object_cuesheet_track_delete_index() on beginning of array..."); + tr_delete_(cuesheet, 0, 0); + if(!FLAC__metadata_object_cuesheet_track_delete_index(block, 0, 0)) { + printf("FAILED, returned false\n"); + return false; + } + if(!mutils__compare_block(cuesheet, block)) + return false; + printf("OK\n"); + + printf("testing FLAC__metadata_object_delete()... "); + FLAC__metadata_object_delete(cuesheet); + FLAC__metadata_object_delete(block); + printf("OK\n"); + + + printf("testing FLAC__metadata_object_new()... "); + block = FLAC__metadata_object_new(FLAC__METADATA_TYPE_CUESHEET); + if(0 == block) { + printf("FAILED, returned NULL\n"); + return false; + } + printf("OK\n"); + + printf("testing FLAC__metadata_object_clone()... "); + cuesheet = FLAC__metadata_object_clone(block); + if(0 == cuesheet) { + printf("FAILED, returned NULL\n"); + return false; + } + if(!mutils__compare_block(cuesheet, block)) + return false; + printf("OK\n"); + + printf("testing FLAC__metadata_object_cuesheet_insert_track(own) on empty array..."); + cs_insert_new_(&track, cuesheet, 0, 60, 7, "GBCDE1234567", false, false); + track_clone_(&track); + if(!FLAC__metadata_object_cuesheet_insert_track(block, 0, &track, /*copy=*/false)) { + printf("FAILED, returned false\n"); + return false; + } + if(!mutils__compare_block(cuesheet, block)) + return false; + printf("OK\n"); + + printf("testing FLAC__metadata_object_cuesheet_insert_track(own) on beginning of non-empty array..."); + cs_insert_new_(&track, cuesheet, 0, 70, 8, "HBCDE1234567", false, false); + track_clone_(&track); + if(!FLAC__metadata_object_cuesheet_insert_track(block, 0, &track, /*copy=*/false)) { + printf("FAILED, returned false\n"); + return false; + } + if(!mutils__compare_block(cuesheet, block)) + return false; + printf("OK\n"); + + printf("testing FLAC__metadata_object_cuesheet_insert_track(own) on middle of non-empty array..."); + cs_insert_new_(&track, cuesheet, 1, 80, 9, "IBCDE1234567", false, false); + track_clone_(&track); + if(!FLAC__metadata_object_cuesheet_insert_track(block, 1, &track, /*copy=*/false)) { + printf("FAILED, returned false\n"); + return false; + } + if(!mutils__compare_block(cuesheet, block)) + return false; + printf("OK\n"); + + printf("testing FLAC__metadata_object_cuesheet_insert_track(own) on end of non-empty array..."); + cs_insert_new_(&track, cuesheet, 3, 90, 10, "JBCDE1234567", false, false); + track_clone_(&track); + if(!FLAC__metadata_object_cuesheet_insert_track(block, 3, &track, /*copy=*/false)) { + printf("FAILED, returned false\n"); + return false; + } + if(!mutils__compare_block(cuesheet, block)) + return false; + printf("OK\n"); + + printf("testing FLAC__metadata_object_cuesheet_delete_track() on middle of array..."); + cs_delete_(cuesheet, 2); + if(!FLAC__metadata_object_cuesheet_delete_track(block, 2)) { + printf("FAILED, returned false\n"); + return false; + } + if(!mutils__compare_block(cuesheet, block)) + return false; + printf("OK\n"); + + printf("testing FLAC__metadata_object_cuesheet_delete_track() on end of array..."); + cs_delete_(cuesheet, 2); + if(!FLAC__metadata_object_cuesheet_delete_track(block, 2)) { + printf("FAILED, returned false\n"); + return false; + } + if(!mutils__compare_block(cuesheet, block)) + return false; + printf("OK\n"); + + printf("testing FLAC__metadata_object_cuesheet_delete_track() on beginning of array..."); + cs_delete_(cuesheet, 0); + if(!FLAC__metadata_object_cuesheet_delete_track(block, 0)) { + printf("FAILED, returned false\n"); + return false; + } + if(!mutils__compare_block(cuesheet, block)) + return false; + printf("OK\n"); + + printf("testing FLAC__metadata_object_cuesheet_set_track(own)..."); + cs_set_new_(&track, cuesheet, 0, 100, 11, "KBCDE1234567", false, false); + track_clone_(&track); + FLAC__metadata_object_cuesheet_set_track(block, 0, &track, /*copy=*/false); + if(!mutils__compare_block(cuesheet, block)) + return false; + printf("OK\n"); + + printf("testing FLAC__metadata_object_cuesheet_is_legal()..."); + { + const char *violation; + if(FLAC__metadata_object_cuesheet_is_legal(block, /*check_cd_da_subset=*/true, &violation)) { + printf("FAILED, returned true when expecting false\n"); + return false; + } + printf("returned false as expected, violation=\"%s\" OK\n", violation); + } + + printf("testing FLAC__metadata_object_delete()... "); + FLAC__metadata_object_delete(cuesheet); + FLAC__metadata_object_delete(block); + printf("OK\n"); + + + printf("testing PICTURE\n"); + + printf("testing FLAC__metadata_object_new()... "); + block = FLAC__metadata_object_new(FLAC__METADATA_TYPE_PICTURE); + if(0 == block) { + printf("FAILED, returned NULL\n"); + return false; + } + expected_length = ( + FLAC__STREAM_METADATA_PICTURE_TYPE_LEN + + FLAC__STREAM_METADATA_PICTURE_MIME_TYPE_LENGTH_LEN + + FLAC__STREAM_METADATA_PICTURE_DESCRIPTION_LENGTH_LEN + + FLAC__STREAM_METADATA_PICTURE_WIDTH_LEN + + FLAC__STREAM_METADATA_PICTURE_HEIGHT_LEN + + FLAC__STREAM_METADATA_PICTURE_DEPTH_LEN + + FLAC__STREAM_METADATA_PICTURE_COLORS_LEN + + FLAC__STREAM_METADATA_PICTURE_DATA_LENGTH_LEN + ) / 8; + if(block->length != expected_length) { + printf("FAILED, bad length, expected %u, got %u\n", expected_length, block->length); + return false; + } + printf("OK\n"); + + printf("testing FLAC__metadata_object_clone()... "); + picture = FLAC__metadata_object_clone(block); + if(0 == picture) { + printf("FAILED, returned NULL\n"); + return false; + } + if(!mutils__compare_block(picture, block)) + return false; + printf("OK\n"); + + pi_set_mime_type(picture, "image/png\t"); + printf("testing FLAC__metadata_object_picture_set_mime_type(copy)..."); + if(!FLAC__metadata_object_picture_set_mime_type(block, "image/png\t", /*copy=*/true)) { + printf("FAILED, returned false\n"); + return false; + } + if(!mutils__compare_block(picture, block)) + return false; + printf("OK\n"); + + printf("testing FLAC__metadata_object_picture_is_legal()..."); + { + const char *violation; + if(FLAC__metadata_object_picture_is_legal(block, &violation)) { + printf("FAILED, returned true when expecting false\n"); + return false; + } + printf("returned false as expected, violation=\"%s\" OK\n", violation); + } + + pi_set_mime_type(picture, "image/png"); + printf("testing FLAC__metadata_object_picture_set_mime_type(copy)..."); + if(!FLAC__metadata_object_picture_set_mime_type(block, "image/png", /*copy=*/true)) { + printf("FAILED, returned false\n"); + return false; + } + if(!mutils__compare_block(picture, block)) + return false; + printf("OK\n"); + + printf("testing FLAC__metadata_object_picture_is_legal()..."); + { + const char *violation; + if(!FLAC__metadata_object_picture_is_legal(block, &violation)) { + printf("FAILED, returned false, violation=\"%s\"\n", violation); + return false; + } + printf("OK\n"); + } + + pi_set_description(picture, (const FLAC__byte *)"DESCRIPTION\xff"); + printf("testing FLAC__metadata_object_picture_set_description(copy)..."); + if(!FLAC__metadata_object_picture_set_description(block, (FLAC__byte *)"DESCRIPTION\xff", /*copy=*/true)) { + printf("FAILED, returned false\n"); + return false; + } + if(!mutils__compare_block(picture, block)) + return false; + printf("OK\n"); + + printf("testing FLAC__metadata_object_picture_is_legal()..."); + { + const char *violation; + if(FLAC__metadata_object_picture_is_legal(block, &violation)) { + printf("FAILED, returned true when expecting false\n"); + return false; + } + printf("returned false as expected, violation=\"%s\" OK\n", violation); + } + + pi_set_description(picture, (const FLAC__byte *)"DESCRIPTION"); + printf("testing FLAC__metadata_object_picture_set_description(copy)..."); + if(!FLAC__metadata_object_picture_set_description(block, (FLAC__byte *)"DESCRIPTION", /*copy=*/true)) { + printf("FAILED, returned false\n"); + return false; + } + if(!mutils__compare_block(picture, block)) + return false; + printf("OK\n"); + + printf("testing FLAC__metadata_object_picture_is_legal()..."); + { + const char *violation; + if(!FLAC__metadata_object_picture_is_legal(block, &violation)) { + printf("FAILED, returned false, violation=\"%s\"\n", violation); + return false; + } + printf("OK\n"); + } + + + pi_set_data(picture, (const FLAC__byte*)"PNGDATA", strlen("PNGDATA")); + printf("testing FLAC__metadata_object_picture_set_data(copy)..."); + if(!FLAC__metadata_object_picture_set_data(block, (FLAC__byte*)"PNGDATA", strlen("PNGDATA"), /*copy=*/true)) { + printf("FAILED, returned false\n"); + return false; + } + if(!mutils__compare_block(picture, block)) + return false; + printf("OK\n"); + + printf("testing FLAC__metadata_object_clone()... "); + blockcopy = FLAC__metadata_object_clone(block); + if(0 == blockcopy) { + printf("FAILED, returned NULL\n"); + return false; + } + if(!mutils__compare_block(block, blockcopy)) + return false; + printf("OK\n"); + + printf("testing FLAC__metadata_object_delete()... "); + FLAC__metadata_object_delete(blockcopy); + printf("OK\n"); + + pi_set_mime_type(picture, "image/png\t"); + printf("testing FLAC__metadata_object_picture_set_mime_type(own)..."); + if(!FLAC__metadata_object_picture_set_mime_type(block, strdup("image/png\t"), /*copy=*/false)) { + printf("FAILED, returned false\n"); + return false; + } + if(!mutils__compare_block(picture, block)) + return false; + printf("OK\n"); + + printf("testing FLAC__metadata_object_picture_is_legal()..."); + { + const char *violation; + if(FLAC__metadata_object_picture_is_legal(block, &violation)) { + printf("FAILED, returned true when expecting false\n"); + return false; + } + printf("returned false as expected, violation=\"%s\" OK\n", violation); + } + + pi_set_mime_type(picture, "image/png"); + printf("testing FLAC__metadata_object_picture_set_mime_type(own)..."); + if(!FLAC__metadata_object_picture_set_mime_type(block, strdup("image/png"), /*copy=*/false)) { + printf("FAILED, returned false\n"); + return false; + } + if(!mutils__compare_block(picture, block)) + return false; + printf("OK\n"); + + printf("testing FLAC__metadata_object_picture_is_legal()..."); + { + const char *violation; + if(!FLAC__metadata_object_picture_is_legal(block, &violation)) { + printf("FAILED, returned false, violation=\"%s\"\n", violation); + return false; + } + printf("OK\n"); + } + + pi_set_description(picture, (const FLAC__byte *)"DESCRIPTION\xff"); + printf("testing FLAC__metadata_object_picture_set_description(own)..."); + if(!FLAC__metadata_object_picture_set_description(block, (FLAC__byte *)strdup("DESCRIPTION\xff"), /*copy=*/false)) { + printf("FAILED, returned false\n"); + return false; + } + if(!mutils__compare_block(picture, block)) + return false; + printf("OK\n"); + + printf("testing FLAC__metadata_object_picture_is_legal()..."); + { + const char *violation; + if(FLAC__metadata_object_picture_is_legal(block, &violation)) { + printf("FAILED, returned true when expecting false\n"); + return false; + } + printf("returned false as expected, violation=\"%s\" OK\n", violation); + } + + pi_set_description(picture, (const FLAC__byte *)"DESCRIPTION"); + printf("testing FLAC__metadata_object_picture_set_description(own)..."); + if(!FLAC__metadata_object_picture_set_description(block, (FLAC__byte *)strdup("DESCRIPTION"), /*copy=*/false)) { + printf("FAILED, returned false\n"); + return false; + } + if(!mutils__compare_block(picture, block)) + return false; + printf("OK\n"); + + printf("testing FLAC__metadata_object_picture_is_legal()..."); + { + const char *violation; + if(!FLAC__metadata_object_picture_is_legal(block, &violation)) { + printf("FAILED, returned false, violation=\"%s\"\n", violation); + return false; + } + printf("OK\n"); + } + + pi_set_data(picture, (const FLAC__byte*)"PNGDATA", strlen("PNGDATA")); + printf("testing FLAC__metadata_object_picture_set_data(own)..."); + if(!FLAC__metadata_object_picture_set_data(block, (FLAC__byte*)strdup("PNGDATA"), strlen("PNGDATA"), /*copy=*/false)) { + printf("FAILED, returned false\n"); + return false; + } + if(!mutils__compare_block(picture, block)) + return false; + printf("OK\n"); + + printf("testing FLAC__metadata_object_clone()... "); + blockcopy = FLAC__metadata_object_clone(block); + if(0 == blockcopy) { + printf("FAILED, returned NULL\n"); + return false; + } + if(!mutils__compare_block(block, blockcopy)) + return false; + printf("OK\n"); + + printf("testing FLAC__metadata_object_delete()... "); + FLAC__metadata_object_delete(blockcopy); + printf("OK\n"); + + printf("testing FLAC__metadata_object_delete()... "); + FLAC__metadata_object_delete(picture); + FLAC__metadata_object_delete(block); + printf("OK\n"); + + + return true; +} diff --git a/src/test_libs_common/CMakeLists.txt b/src/test_libs_common/CMakeLists.txt new file mode 100644 index 0000000..8a0c871 --- /dev/null +++ b/src/test_libs_common/CMakeLists.txt @@ -0,0 +1,4 @@ +add_library(test_libs_common STATIC + file_utils_flac.c + metadata_utils.c) +target_link_libraries(test_libs_common PUBLIC FLAC) diff --git a/src/test_libs_common/Makefile.am b/src/test_libs_common/Makefile.am new file mode 100644 index 0000000..30e1f15 --- /dev/null +++ b/src/test_libs_common/Makefile.am @@ -0,0 +1,29 @@ +# test_libs_common - Common code to library unit tests +# Copyright (C) 2000-2009 Josh Coalson +# Copyright (C) 2011-2023 Xiph.Org Foundation +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License +# as published by the Free Software Foundation; either version 2 +# of the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License along +# with this program; if not, write to the Free Software Foundation, Inc., +# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + +AM_CPPFLAGS = -I$(top_builddir) -I$(srcdir)/include -I$(top_srcdir)/include + +noinst_LTLIBRARIES = libtest_libs_common.la + +libtest_libs_common_la_SOURCES = \ + file_utils_flac.c \ + metadata_utils.c + +EXTRA_DIST = \ + CMakeLists.txt \ + README diff --git a/src/test_libs_common/Makefile.in b/src/test_libs_common/Makefile.in new file mode 100644 index 0000000..83af7f9 --- /dev/null +++ b/src/test_libs_common/Makefile.in @@ -0,0 +1,666 @@ +# Makefile.in generated by automake 1.16.5 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2021 Free Software Foundation, Inc. + +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. + +@SET_MAKE@ + +# test_libs_common - Common code to library unit tests +# Copyright (C) 2000-2009 Josh Coalson +# Copyright (C) 2011-2023 Xiph.Org Foundation +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License +# as published by the Free Software Foundation; either version 2 +# of the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 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you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include "FLAC/assert.h" +#include "FLAC/stream_encoder.h" +#include "test_libs_common/file_utils_flac.h" +#include <stdio.h> +#include <stdlib.h> +#include <sys/stat.h> /* for stat() */ +#include "share/compat.h" + +#ifdef min +#undef min +#endif +#define min(a,b) ((a)<(b)?(a):(b)) + +const long file_utils__ogg_serial_number = 12345; + +#ifdef FLAC__VALGRIND_TESTING +static size_t local__fwrite(const void *ptr, size_t size, size_t nmemb, FILE *stream) +{ + size_t ret = fwrite(ptr, size, nmemb, stream); + if(!ferror(stream)) + fflush(stream); + return ret; +} +#else +#define local__fwrite fwrite +#endif + +typedef struct { + FILE *file; +} encoder_client_struct; + +static FLAC__StreamEncoderWriteStatus encoder_write_callback_(const FLAC__StreamEncoder *encoder, const FLAC__byte buffer[], size_t bytes, uint32_t samples, uint32_t current_frame, void *client_data) +{ + encoder_client_struct *ecd = (encoder_client_struct*)client_data; + + (void)encoder, (void)samples, (void)current_frame; + + if(local__fwrite(buffer, 1, bytes, ecd->file) != bytes) + return FLAC__STREAM_ENCODER_WRITE_STATUS_FATAL_ERROR; + else + return FLAC__STREAM_ENCODER_WRITE_STATUS_OK; +} + +static void encoder_metadata_callback_(const FLAC__StreamEncoder *encoder, const FLAC__StreamMetadata *metadata, void *client_data) +{ + (void)encoder, (void)metadata, (void)client_data; +} + +FLAC__bool file_utils__generate_flacfile(FLAC__bool is_ogg, const char *output_filename, FLAC__off_t *output_filesize, uint32_t length, const FLAC__StreamMetadata *streaminfo, FLAC__StreamMetadata **metadata, uint32_t num_metadata) +{ + FLAC__int32 samples[1024]; + FLAC__StreamEncoder *encoder; + FLAC__StreamEncoderInitStatus init_status; + encoder_client_struct encoder_client_data; + uint32_t i, n; + + FLAC__ASSERT(0 != output_filename); + FLAC__ASSERT(0 != streaminfo); + FLAC__ASSERT(streaminfo->type == FLAC__METADATA_TYPE_STREAMINFO); + FLAC__ASSERT((streaminfo->is_last && num_metadata == 0) || (!streaminfo->is_last && num_metadata > 0)); + + if(0 == (encoder_client_data.file = flac_fopen(output_filename, "wb"))) + return false; + + encoder = FLAC__stream_encoder_new(); + if(0 == encoder) { + fclose(encoder_client_data.file); + return false; + } + + FLAC__stream_encoder_set_ogg_serial_number(encoder, file_utils__ogg_serial_number); + FLAC__stream_encoder_set_verify(encoder, true); + FLAC__stream_encoder_set_streamable_subset(encoder, true); + FLAC__stream_encoder_set_do_mid_side_stereo(encoder, false); + FLAC__stream_encoder_set_loose_mid_side_stereo(encoder, false); + FLAC__stream_encoder_set_channels(encoder, streaminfo->data.stream_info.channels); + FLAC__stream_encoder_set_bits_per_sample(encoder, streaminfo->data.stream_info.bits_per_sample); + FLAC__stream_encoder_set_sample_rate(encoder, streaminfo->data.stream_info.sample_rate); + FLAC__stream_encoder_set_blocksize(encoder, streaminfo->data.stream_info.min_blocksize); + FLAC__stream_encoder_set_max_lpc_order(encoder, 0); + FLAC__stream_encoder_set_qlp_coeff_precision(encoder, 0); + FLAC__stream_encoder_set_do_qlp_coeff_prec_search(encoder, false); + FLAC__stream_encoder_set_do_escape_coding(encoder, false); + FLAC__stream_encoder_set_do_exhaustive_model_search(encoder, false); + FLAC__stream_encoder_set_min_residual_partition_order(encoder, 0); + FLAC__stream_encoder_set_max_residual_partition_order(encoder, 0); + FLAC__stream_encoder_set_rice_parameter_search_dist(encoder, 0); + FLAC__stream_encoder_set_total_samples_estimate(encoder, streaminfo->data.stream_info.total_samples); + FLAC__stream_encoder_set_metadata(encoder, metadata, num_metadata); + + if(is_ogg) + init_status = FLAC__stream_encoder_init_ogg_stream(encoder, /*read_callback=*/0, encoder_write_callback_, /*seek_callback=*/0, /*tell_callback=*/0, encoder_metadata_callback_, &encoder_client_data); + else + init_status = FLAC__stream_encoder_init_stream(encoder, encoder_write_callback_, /*seek_callback=*/0, /*tell_callback=*/0, encoder_metadata_callback_, &encoder_client_data); + + if(init_status != FLAC__STREAM_ENCODER_INIT_STATUS_OK) { + fclose(encoder_client_data.file); + return false; + } + + /* init the dummy sample buffer */ + for(i = 0; i < sizeof(samples) / sizeof(FLAC__int32); i++) + samples[i] = i & 7; + + while(length > 0) { + n = min(length, sizeof(samples) / sizeof(FLAC__int32)); + + if(!FLAC__stream_encoder_process_interleaved(encoder, samples, n)) { + fclose(encoder_client_data.file); + return false; + } + + length -= n; + } + + (void)FLAC__stream_encoder_finish(encoder); + + fclose(encoder_client_data.file); + + FLAC__stream_encoder_delete(encoder); + + if(0 != output_filesize) { + struct flac_stat_s filestats; + + if(flac_stat(output_filename, &filestats) != 0) + return false; + else + *output_filesize = filestats.st_size; + } + + return true; +} diff --git a/src/test_libs_common/metadata_utils.c b/src/test_libs_common/metadata_utils.c new file mode 100644 index 0000000..929ca63 --- /dev/null +++ b/src/test_libs_common/metadata_utils.c @@ -0,0 +1,636 @@ +/* test_libFLAC - Unit tester for libFLAC + * Copyright (C) 2002-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +/* + * These are not tests, just utility functions used by the metadata tests + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include "FLAC/metadata.h" +#include "test_libs_common/metadata_utils.h" +#include "share/compat.h" +#include <stdio.h> +#include <stdlib.h> /* for malloc() */ +#include <string.h> /* for memcmp() */ + +FLAC__bool mutils__compare_block_data_streaminfo(const FLAC__StreamMetadata_StreamInfo *block, const FLAC__StreamMetadata_StreamInfo *blockcopy) +{ + if(blockcopy->min_blocksize != block->min_blocksize) { + printf("FAILED, min_blocksize mismatch, expected %u, got %u\n", block->min_blocksize, blockcopy->min_blocksize); + return false; + } + if(blockcopy->max_blocksize != block->max_blocksize) { + printf("FAILED, max_blocksize mismatch, expected %u, got %u\n", block->max_blocksize, blockcopy->max_blocksize); + return false; + } + if(blockcopy->min_framesize != block->min_framesize) { + printf("FAILED, min_framesize mismatch, expected %u, got %u\n", block->min_framesize, blockcopy->min_framesize); + return false; + } + if(blockcopy->max_framesize != block->max_framesize) { + printf("FAILED, max_framesize mismatch, expected %u, got %u\n", block->max_framesize, blockcopy->max_framesize); + return false; + } + if(blockcopy->sample_rate != block->sample_rate) { + printf("FAILED, sample_rate mismatch, expected %u, got %u\n", block->sample_rate, blockcopy->sample_rate); + return false; + } + if(blockcopy->channels != block->channels) { + printf("FAILED, channels mismatch, expected %u, got %u\n", block->channels, blockcopy->channels); + return false; + } + if(blockcopy->bits_per_sample != block->bits_per_sample) { + printf("FAILED, bits_per_sample mismatch, expected %u, got %u\n", block->bits_per_sample, blockcopy->bits_per_sample); + return false; + } + if(blockcopy->total_samples != block->total_samples) { + printf("FAILED, total_samples mismatch, expected %" PRIu64 ", got %" PRIu64 "\n", block->total_samples, blockcopy->total_samples); + return false; + } + if(0 != memcmp(blockcopy->md5sum, block->md5sum, sizeof(block->md5sum))) { + printf("FAILED, md5sum mismatch, expected %02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X, got %02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X\n", + (uint32_t)block->md5sum[0], + (uint32_t)block->md5sum[1], + (uint32_t)block->md5sum[2], + (uint32_t)block->md5sum[3], + (uint32_t)block->md5sum[4], + (uint32_t)block->md5sum[5], + (uint32_t)block->md5sum[6], + (uint32_t)block->md5sum[7], + (uint32_t)block->md5sum[8], + (uint32_t)block->md5sum[9], + (uint32_t)block->md5sum[10], + (uint32_t)block->md5sum[11], + (uint32_t)block->md5sum[12], + (uint32_t)block->md5sum[13], + (uint32_t)block->md5sum[14], + (uint32_t)block->md5sum[15], + (uint32_t)blockcopy->md5sum[0], + (uint32_t)blockcopy->md5sum[1], + (uint32_t)blockcopy->md5sum[2], + (uint32_t)blockcopy->md5sum[3], + (uint32_t)blockcopy->md5sum[4], + (uint32_t)blockcopy->md5sum[5], + (uint32_t)blockcopy->md5sum[6], + (uint32_t)blockcopy->md5sum[7], + (uint32_t)blockcopy->md5sum[8], + (uint32_t)blockcopy->md5sum[9], + (uint32_t)blockcopy->md5sum[10], + (uint32_t)blockcopy->md5sum[11], + (uint32_t)blockcopy->md5sum[12], + (uint32_t)blockcopy->md5sum[13], + (uint32_t)blockcopy->md5sum[14], + (uint32_t)blockcopy->md5sum[15] + ); + return false; + } + return true; +} + +FLAC__bool mutils__compare_block_data_padding(const FLAC__StreamMetadata_Padding *block, const FLAC__StreamMetadata_Padding *blockcopy, uint32_t block_length) +{ + /* we don't compare the padding guts */ + (void)block, (void)blockcopy, (void)block_length; + return true; +} + +FLAC__bool mutils__compare_block_data_application(const FLAC__StreamMetadata_Application *block, const FLAC__StreamMetadata_Application *blockcopy, uint32_t block_length) +{ + if(block_length < sizeof(block->id)) { + printf("FAILED, bad block length = %u\n", block_length); + return false; + } + if(0 != memcmp(blockcopy->id, block->id, sizeof(block->id))) { + printf("FAILED, id mismatch, expected %02X%02X%02X%02X, got %02X%02X%02X%02X\n", + (uint32_t)block->id[0], + (uint32_t)block->id[1], + (uint32_t)block->id[2], + (uint32_t)block->id[3], + (uint32_t)blockcopy->id[0], + (uint32_t)blockcopy->id[1], + (uint32_t)blockcopy->id[2], + (uint32_t)blockcopy->id[3] + ); + return false; + } + if(0 == block->data || 0 == blockcopy->data) { + if(block->data != blockcopy->data) { + printf("FAILED, data mismatch (%s's data pointer is null)\n", 0==block->data?"original":"copy"); + return false; + } + else if(block_length - sizeof(block->id) > 0) { + printf("FAILED, data pointer is null but block length is not 0\n"); + return false; + } + } + else { + if(block_length - sizeof(block->id) == 0) { + printf("FAILED, data pointer is not null but block length is 0\n"); + return false; + } + else if(0 != memcmp(blockcopy->data, block->data, block_length - sizeof(block->id))) { + printf("FAILED, data mismatch\n"); + return false; + } + } + return true; +} + +FLAC__bool mutils__compare_block_data_seektable(const FLAC__StreamMetadata_SeekTable *block, const FLAC__StreamMetadata_SeekTable *blockcopy) +{ + uint32_t i; + if(blockcopy->num_points != block->num_points) { + printf("FAILED, num_points mismatch, expected %u, got %u\n", block->num_points, blockcopy->num_points); + return false; + } + for(i = 0; i < block->num_points; i++) { + if(blockcopy->points[i].sample_number != block->points[i].sample_number) { + printf("FAILED, points[%u].sample_number mismatch, expected %" PRIu64 ", got %" PRIu64 "\n", i, block->points[i].sample_number, blockcopy->points[i].sample_number); + return false; + } + if(blockcopy->points[i].stream_offset != block->points[i].stream_offset) { + printf("FAILED, points[%u].stream_offset mismatch, expected %" PRIu64 ", got %" PRIu64 "\n", i, block->points[i].stream_offset, blockcopy->points[i].stream_offset); + return false; + } + if(blockcopy->points[i].frame_samples != block->points[i].frame_samples) { + printf("FAILED, points[%u].frame_samples mismatch, expected %u, got %u\n", i, block->points[i].frame_samples, blockcopy->points[i].frame_samples); + return false; + } + } + return true; +} + +FLAC__bool mutils__compare_block_data_vorbiscomment(const FLAC__StreamMetadata_VorbisComment *block, const FLAC__StreamMetadata_VorbisComment *blockcopy) +{ + uint32_t i; + if(blockcopy->vendor_string.length != block->vendor_string.length) { + printf("FAILED, vendor_string.length mismatch, expected %u, got %u\n", block->vendor_string.length, blockcopy->vendor_string.length); + return false; + } + if(0 == block->vendor_string.entry || 0 == blockcopy->vendor_string.entry) { + if(block->vendor_string.entry != blockcopy->vendor_string.entry) { + printf("FAILED, vendor_string.entry mismatch\n"); + return false; + } + } + else if(0 != memcmp(blockcopy->vendor_string.entry, block->vendor_string.entry, block->vendor_string.length)) { + printf("FAILED, vendor_string.entry mismatch\n"); + return false; + } + if(blockcopy->num_comments != block->num_comments) { + printf("FAILED, num_comments mismatch, expected %u, got %u\n", block->num_comments, blockcopy->num_comments); + return false; + } + for(i = 0; i < block->num_comments; i++) { + if(blockcopy->comments[i].length != block->comments[i].length) { + printf("FAILED, comments[%u].length mismatch, expected %u, got %u\n", i, block->comments[i].length, blockcopy->comments[i].length); + return false; + } + if(0 == block->comments[i].entry || 0 == blockcopy->comments[i].entry) { + if(block->comments[i].entry != blockcopy->comments[i].entry) { + printf("FAILED, comments[%u].entry mismatch\n", i); + return false; + } + } + else { + if(0 != memcmp(blockcopy->comments[i].entry, block->comments[i].entry, block->comments[i].length)) { + printf("FAILED, comments[%u].entry mismatch\n", i); + return false; + } + } + } + return true; +} + +FLAC__bool mutils__compare_block_data_cuesheet(const FLAC__StreamMetadata_CueSheet *block, const FLAC__StreamMetadata_CueSheet *blockcopy) +{ + uint32_t i, j; + + if(0 != strcmp(blockcopy->media_catalog_number, block->media_catalog_number)) { + printf("FAILED, media_catalog_number mismatch, expected %s, got %s\n", block->media_catalog_number, blockcopy->media_catalog_number); + return false; + } + if(blockcopy->lead_in != block->lead_in) { + printf("FAILED, lead_in mismatch, expected %" PRIu64 ", got %" PRIu64 "\n", block->lead_in, blockcopy->lead_in); + return false; + } + if(blockcopy->is_cd != block->is_cd) { + printf("FAILED, is_cd mismatch, expected %u, got %u\n", (uint32_t)block->is_cd, (uint32_t)blockcopy->is_cd); + return false; + } + if(blockcopy->num_tracks != block->num_tracks) { + printf("FAILED, num_tracks mismatch, expected %u, got %u\n", block->num_tracks, blockcopy->num_tracks); + return false; + } + for(i = 0; i < block->num_tracks; i++) { + if(blockcopy->tracks[i].offset != block->tracks[i].offset) { + printf("FAILED, tracks[%u].offset mismatch, expected %" PRIu64 ", got %" PRIu64 "\n", i, block->tracks[i].offset, blockcopy->tracks[i].offset); + return false; + } + if(blockcopy->tracks[i].number != block->tracks[i].number) { + printf("FAILED, tracks[%u].number mismatch, expected %u, got %u\n", i, (uint32_t)block->tracks[i].number, (uint32_t)blockcopy->tracks[i].number); + return false; + } + if(blockcopy->tracks[i].num_indices != block->tracks[i].num_indices) { + printf("FAILED, tracks[%u].num_indices mismatch, expected %u, got %u\n", i, (uint32_t)block->tracks[i].num_indices, (uint32_t)blockcopy->tracks[i].num_indices); + return false; + } + /* num_indices == 0 means lead-out track so only the track offset and number are valid */ + if(block->tracks[i].num_indices > 0) { + if(0 != strcmp(blockcopy->tracks[i].isrc, block->tracks[i].isrc)) { + printf("FAILED, tracks[%u].isrc mismatch, expected %s, got %s\n", i, block->tracks[i].isrc, blockcopy->tracks[i].isrc); + return false; + } + if(blockcopy->tracks[i].type != block->tracks[i].type) { + printf("FAILED, tracks[%u].type mismatch, expected %u, got %u\n", i, (uint32_t)block->tracks[i].type, (uint32_t)blockcopy->tracks[i].type); + return false; + } + if(blockcopy->tracks[i].pre_emphasis != block->tracks[i].pre_emphasis) { + printf("FAILED, tracks[%u].pre_emphasis mismatch, expected %u, got %u\n", i, (uint32_t)block->tracks[i].pre_emphasis, (uint32_t)blockcopy->tracks[i].pre_emphasis); + return false; + } + if(0 == block->tracks[i].indices || 0 == blockcopy->tracks[i].indices) { + if(block->tracks[i].indices != blockcopy->tracks[i].indices) { + printf("FAILED, tracks[%u].indices mismatch\n", i); + return false; + } + } + else { + for(j = 0; j < block->tracks[i].num_indices; j++) { + if(blockcopy->tracks[i].indices[j].offset != block->tracks[i].indices[j].offset) { + printf("FAILED, tracks[%u].indices[%u].offset mismatch, expected %" PRIu64 ", got %" PRIu64 "\n", i, j, block->tracks[i].indices[j].offset, blockcopy->tracks[i].indices[j].offset); + return false; + } + if(blockcopy->tracks[i].indices[j].number != block->tracks[i].indices[j].number) { + printf("FAILED, tracks[%u].indices[%u].number mismatch, expected %u, got %u\n", i, j, (uint32_t)block->tracks[i].indices[j].number, (uint32_t)blockcopy->tracks[i].indices[j].number); + return false; + } + } + } + } + } + return true; +} + +FLAC__bool mutils__compare_block_data_picture(const FLAC__StreamMetadata_Picture *block, const FLAC__StreamMetadata_Picture *blockcopy) +{ + size_t len, lencopy; + if(blockcopy->type != block->type) { + printf("FAILED, type mismatch, expected %u, got %u\n", (uint32_t)block->type, (uint32_t)blockcopy->type); + return false; + } + len = strlen(block->mime_type); + lencopy = strlen(blockcopy->mime_type); + if(lencopy != len) { + printf("FAILED, mime_type length mismatch, expected %u, got %u\n", (uint32_t)len, (uint32_t)lencopy); + return false; + } + if(strcmp(blockcopy->mime_type, block->mime_type)) { + printf("FAILED, mime_type mismatch, expected %s, got %s\n", block->mime_type, blockcopy->mime_type); + return false; + } + len = strlen((const char *)block->description); + lencopy = strlen((const char *)blockcopy->description); + if(lencopy != len) { + printf("FAILED, description length mismatch, expected %u, got %u\n", (uint32_t)len, (uint32_t)lencopy); + return false; + } + if(strcmp((const char *)blockcopy->description, (const char *)block->description)) { + printf("FAILED, description mismatch, expected %s, got %s\n", block->description, blockcopy->description); + return false; + } + if(blockcopy->width != block->width) { + printf("FAILED, width mismatch, expected %u, got %u\n", block->width, blockcopy->width); + return false; + } + if(blockcopy->height != block->height) { + printf("FAILED, height mismatch, expected %u, got %u\n", block->height, blockcopy->height); + return false; + } + if(blockcopy->depth != block->depth) { + printf("FAILED, depth mismatch, expected %u, got %u\n", block->depth, blockcopy->depth); + return false; + } + if(blockcopy->colors != block->colors) { + printf("FAILED, colors mismatch, expected %u, got %u\n", block->colors, blockcopy->colors); + return false; + } + if(blockcopy->data_length != block->data_length) { + printf("FAILED, data_length mismatch, expected %u, got %u\n", block->data_length, blockcopy->data_length); + return false; + } + if(block->data_length > 0 && memcmp(blockcopy->data, block->data, block->data_length)) { + printf("FAILED, data mismatch\n"); + return false; + } + return true; +} + +FLAC__bool mutils__compare_block_data_unknown(const FLAC__StreamMetadata_Unknown *block, const FLAC__StreamMetadata_Unknown *blockcopy, uint32_t block_length) +{ + if(0 == block->data || 0 == blockcopy->data) { + if(block->data != blockcopy->data) { + printf("FAILED, data mismatch (%s's data pointer is null)\n", 0==block->data?"original":"copy"); + return false; + } + else if(block_length > 0) { + printf("FAILED, data pointer is null but block length is not 0\n"); + return false; + } + } + else { + if(block_length == 0) { + printf("FAILED, data pointer is not null but block length is 0\n"); + return false; + } + else if(0 != memcmp(blockcopy->data, block->data, block_length)) { + printf("FAILED, data mismatch\n"); + return false; + } + } + return true; +} + +FLAC__bool mutils__compare_block(const FLAC__StreamMetadata *block, const FLAC__StreamMetadata *blockcopy) +{ + if(blockcopy->type != block->type) { + printf("FAILED, type mismatch, expected %s, got %s\n", FLAC__MetadataTypeString[block->type], FLAC__MetadataTypeString[blockcopy->type]); + return false; + } + if(blockcopy->is_last != block->is_last) { + printf("FAILED, is_last mismatch, expected %u, got %u\n", (uint32_t)block->is_last, (uint32_t)blockcopy->is_last); + return false; + } + if(blockcopy->length != block->length) { + printf("FAILED, length mismatch, expected %u, got %u\n", block->length, blockcopy->length); + return false; + } + switch(block->type) { + case FLAC__METADATA_TYPE_STREAMINFO: + return mutils__compare_block_data_streaminfo(&block->data.stream_info, &blockcopy->data.stream_info); + case FLAC__METADATA_TYPE_PADDING: + return mutils__compare_block_data_padding(&block->data.padding, &blockcopy->data.padding, block->length); + case FLAC__METADATA_TYPE_APPLICATION: + return mutils__compare_block_data_application(&block->data.application, &blockcopy->data.application, block->length); + case FLAC__METADATA_TYPE_SEEKTABLE: + return mutils__compare_block_data_seektable(&block->data.seek_table, &blockcopy->data.seek_table); + case FLAC__METADATA_TYPE_VORBIS_COMMENT: + return mutils__compare_block_data_vorbiscomment(&block->data.vorbis_comment, &blockcopy->data.vorbis_comment); + case FLAC__METADATA_TYPE_CUESHEET: + return mutils__compare_block_data_cuesheet(&block->data.cue_sheet, &blockcopy->data.cue_sheet); + case FLAC__METADATA_TYPE_PICTURE: + return mutils__compare_block_data_picture(&block->data.picture, &blockcopy->data.picture); + default: + return mutils__compare_block_data_unknown(&block->data.unknown, &blockcopy->data.unknown, block->length); + } +} + +static void *malloc_or_die_(size_t size) +{ + void *x = malloc(size); + if(0 == x) { + fprintf(stderr, "ERROR: out of memory allocating %u bytes\n", (uint32_t)size); + exit(1); + } + return x; +} + +static void *calloc_or_die_(size_t n, size_t size) +{ + void *x = calloc(n, size); + if(0 == x) { + fprintf(stderr, "ERROR: out of memory allocating %u bytes\n", (uint32_t)n * (uint32_t)size); + exit(1); + } + return x; +} + +static char *strdup_or_die_(const char *s) +{ + char *x = strdup(s); + if(0 == x) { + fprintf(stderr, "ERROR: out of memory copying string \"%s\"\n", s); + exit(1); + } + return x; +} + +void mutils__init_metadata_blocks( + FLAC__StreamMetadata *streaminfo, + FLAC__StreamMetadata *padding, + FLAC__StreamMetadata *seektable, + FLAC__StreamMetadata *application1, + FLAC__StreamMetadata *application2, + FLAC__StreamMetadata *vorbiscomment, + FLAC__StreamMetadata *cuesheet, + FLAC__StreamMetadata *picture, + FLAC__StreamMetadata *unknown +) +{ + /* + most of the actual numbers and data in the blocks don't matter, + we just want to make sure the decoder parses them correctly + + remember, the metadata interface gets tested after the decoders, + so we do all the metadata manipulation here without it. + */ + + /* min/max_framesize and md5sum don't get written at first, so we have to leave them 0 */ + streaminfo->is_last = false; + streaminfo->type = FLAC__METADATA_TYPE_STREAMINFO; + streaminfo->length = FLAC__STREAM_METADATA_STREAMINFO_LENGTH; + streaminfo->data.stream_info.min_blocksize = 576; + streaminfo->data.stream_info.max_blocksize = 576; + streaminfo->data.stream_info.min_framesize = 0; + streaminfo->data.stream_info.max_framesize = 0; + streaminfo->data.stream_info.sample_rate = 44100; + streaminfo->data.stream_info.channels = 1; + streaminfo->data.stream_info.bits_per_sample = 8; + streaminfo->data.stream_info.total_samples = 0; + memset(streaminfo->data.stream_info.md5sum, 0, 16); + + padding->is_last = false; + padding->type = FLAC__METADATA_TYPE_PADDING; + padding->length = 1234; + + seektable->is_last = false; + seektable->type = FLAC__METADATA_TYPE_SEEKTABLE; + seektable->data.seek_table.num_points = 2; + seektable->length = seektable->data.seek_table.num_points * FLAC__STREAM_METADATA_SEEKPOINT_LENGTH; + seektable->data.seek_table.points = malloc_or_die_(seektable->data.seek_table.num_points * sizeof(FLAC__StreamMetadata_SeekPoint)); + seektable->data.seek_table.points[0].sample_number = 0; + seektable->data.seek_table.points[0].stream_offset = 0; + seektable->data.seek_table.points[0].frame_samples = streaminfo->data.stream_info.min_blocksize; + seektable->data.seek_table.points[1].sample_number = FLAC__STREAM_METADATA_SEEKPOINT_PLACEHOLDER; + seektable->data.seek_table.points[1].stream_offset = 1000; + seektable->data.seek_table.points[1].frame_samples = streaminfo->data.stream_info.min_blocksize; + + application1->is_last = false; + application1->type = FLAC__METADATA_TYPE_APPLICATION; + application1->length = 8; + memcpy(application1->data.application.id, "This", 4); + application1->data.application.data = malloc_or_die_(4); + memcpy(application1->data.application.data, "\xf0\xe1\xd2\xc3", 4); + + application2->is_last = false; + application2->type = FLAC__METADATA_TYPE_APPLICATION; + application2->length = 4; + memcpy(application2->data.application.id, "Here", 4); + application2->data.application.data = 0; + + { + const uint32_t vendor_string_length = (uint32_t)strlen(FLAC__VENDOR_STRING); + vorbiscomment->is_last = false; + vorbiscomment->type = FLAC__METADATA_TYPE_VORBIS_COMMENT; + vorbiscomment->length = (4 + vendor_string_length) + 4 + (4 + 5) + (4 + 0); + vorbiscomment->data.vorbis_comment.vendor_string.length = vendor_string_length; + vorbiscomment->data.vorbis_comment.vendor_string.entry = malloc_or_die_(vendor_string_length+1); + memcpy(vorbiscomment->data.vorbis_comment.vendor_string.entry, FLAC__VENDOR_STRING, vendor_string_length+1); + vorbiscomment->data.vorbis_comment.num_comments = 2; + vorbiscomment->data.vorbis_comment.comments = malloc_or_die_(vorbiscomment->data.vorbis_comment.num_comments * sizeof(FLAC__StreamMetadata_VorbisComment_Entry)); + vorbiscomment->data.vorbis_comment.comments[0].length = 5; + vorbiscomment->data.vorbis_comment.comments[0].entry = malloc_or_die_(5+1); + memcpy(vorbiscomment->data.vorbis_comment.comments[0].entry, "ab=cd", 5+1); + vorbiscomment->data.vorbis_comment.comments[1].length = 0; + vorbiscomment->data.vorbis_comment.comments[1].entry = malloc_or_die_(1); + vorbiscomment->data.vorbis_comment.comments[1].entry[0] = '\0'; + } + + cuesheet->is_last = false; + cuesheet->type = FLAC__METADATA_TYPE_CUESHEET; + cuesheet->length = + /* cuesheet guts */ + ( + FLAC__STREAM_METADATA_CUESHEET_MEDIA_CATALOG_NUMBER_LEN + + FLAC__STREAM_METADATA_CUESHEET_LEAD_IN_LEN + + FLAC__STREAM_METADATA_CUESHEET_IS_CD_LEN + + FLAC__STREAM_METADATA_CUESHEET_RESERVED_LEN + + FLAC__STREAM_METADATA_CUESHEET_NUM_TRACKS_LEN + ) / 8 + + /* 2 tracks */ + 3 * ( + FLAC__STREAM_METADATA_CUESHEET_TRACK_OFFSET_LEN + + FLAC__STREAM_METADATA_CUESHEET_TRACK_NUMBER_LEN + + FLAC__STREAM_METADATA_CUESHEET_TRACK_ISRC_LEN + + FLAC__STREAM_METADATA_CUESHEET_TRACK_TYPE_LEN + + FLAC__STREAM_METADATA_CUESHEET_TRACK_PRE_EMPHASIS_LEN + + FLAC__STREAM_METADATA_CUESHEET_TRACK_RESERVED_LEN + + FLAC__STREAM_METADATA_CUESHEET_TRACK_NUM_INDICES_LEN + ) / 8 + + /* 3 index points */ + 3 * ( + FLAC__STREAM_METADATA_CUESHEET_INDEX_OFFSET_LEN + + FLAC__STREAM_METADATA_CUESHEET_INDEX_NUMBER_LEN + + FLAC__STREAM_METADATA_CUESHEET_INDEX_RESERVED_LEN + ) / 8 + ; + memset(cuesheet->data.cue_sheet.media_catalog_number, 0, sizeof(cuesheet->data.cue_sheet.media_catalog_number)); + cuesheet->data.cue_sheet.media_catalog_number[0] = 'j'; + cuesheet->data.cue_sheet.media_catalog_number[1] = 'C'; + cuesheet->data.cue_sheet.lead_in = 2 * 44100; + cuesheet->data.cue_sheet.is_cd = true; + cuesheet->data.cue_sheet.num_tracks = 3; + cuesheet->data.cue_sheet.tracks = calloc_or_die_(cuesheet->data.cue_sheet.num_tracks, sizeof(FLAC__StreamMetadata_CueSheet_Track)); + cuesheet->data.cue_sheet.tracks[0].offset = 0; + cuesheet->data.cue_sheet.tracks[0].number = 1; + memcpy(cuesheet->data.cue_sheet.tracks[0].isrc, "ACBDE1234567", sizeof(cuesheet->data.cue_sheet.tracks[0].isrc)); + cuesheet->data.cue_sheet.tracks[0].type = 0; + cuesheet->data.cue_sheet.tracks[0].pre_emphasis = 1; + cuesheet->data.cue_sheet.tracks[0].num_indices = 2; + cuesheet->data.cue_sheet.tracks[0].indices = malloc_or_die_(cuesheet->data.cue_sheet.tracks[0].num_indices * sizeof(FLAC__StreamMetadata_CueSheet_Index)); + cuesheet->data.cue_sheet.tracks[0].indices[0].offset = 0; + cuesheet->data.cue_sheet.tracks[0].indices[0].number = 0; + cuesheet->data.cue_sheet.tracks[0].indices[1].offset = 123 * 588; + cuesheet->data.cue_sheet.tracks[0].indices[1].number = 1; + cuesheet->data.cue_sheet.tracks[1].offset = 1234 * 588; + cuesheet->data.cue_sheet.tracks[1].number = 2; + memcpy(cuesheet->data.cue_sheet.tracks[1].isrc, "ACBDE7654321", sizeof(cuesheet->data.cue_sheet.tracks[1].isrc)); + cuesheet->data.cue_sheet.tracks[1].type = 1; + cuesheet->data.cue_sheet.tracks[1].pre_emphasis = 0; + cuesheet->data.cue_sheet.tracks[1].num_indices = 1; + cuesheet->data.cue_sheet.tracks[1].indices = malloc_or_die_(cuesheet->data.cue_sheet.tracks[1].num_indices * sizeof(FLAC__StreamMetadata_CueSheet_Index)); + cuesheet->data.cue_sheet.tracks[1].indices[0].offset = 0; + cuesheet->data.cue_sheet.tracks[1].indices[0].number = 1; + cuesheet->data.cue_sheet.tracks[2].offset = 12345 * 588; + cuesheet->data.cue_sheet.tracks[2].number = 170; + cuesheet->data.cue_sheet.tracks[2].num_indices = 0; + + picture->is_last = false; + picture->type = FLAC__METADATA_TYPE_PICTURE; + picture->length = + ( + FLAC__STREAM_METADATA_PICTURE_TYPE_LEN + + FLAC__STREAM_METADATA_PICTURE_MIME_TYPE_LENGTH_LEN + /* will add the length for the string later */ + FLAC__STREAM_METADATA_PICTURE_DESCRIPTION_LENGTH_LEN + /* will add the length for the string later */ + FLAC__STREAM_METADATA_PICTURE_WIDTH_LEN + + FLAC__STREAM_METADATA_PICTURE_HEIGHT_LEN + + FLAC__STREAM_METADATA_PICTURE_DEPTH_LEN + + FLAC__STREAM_METADATA_PICTURE_COLORS_LEN + + FLAC__STREAM_METADATA_PICTURE_DATA_LENGTH_LEN /* will add the length for the data later */ + ) / 8 + ; + picture->data.picture.type = FLAC__STREAM_METADATA_PICTURE_TYPE_FRONT_COVER; + picture->data.picture.mime_type = strdup_or_die_("image/jpeg"); + picture->length += strlen(picture->data.picture.mime_type); + picture->data.picture.description = (FLAC__byte*)strdup_or_die_("desc"); + picture->length += strlen((const char *)picture->data.picture.description); + picture->data.picture.width = 300; + picture->data.picture.height = 300; + picture->data.picture.depth = 24; + picture->data.picture.colors = 0; + picture->data.picture.data = (FLAC__byte*)strdup_or_die_("SOMEJPEGDATA"); + picture->data.picture.data_length = strlen((const char *)picture->data.picture.data); + picture->length += picture->data.picture.data_length; + + unknown->is_last = true; + unknown->type = 126; + unknown->length = 8; + unknown->data.unknown.data = malloc_or_die_(unknown->length); + memcpy(unknown->data.unknown.data, "\xfe\xdc\xba\x98\xf0\xe1\xd2\xc3", unknown->length); +} + +void mutils__free_metadata_blocks( + FLAC__StreamMetadata *streaminfo, + FLAC__StreamMetadata *padding, + FLAC__StreamMetadata *seektable, + FLAC__StreamMetadata *application1, + FLAC__StreamMetadata *application2, + FLAC__StreamMetadata *vorbiscomment, + FLAC__StreamMetadata *cuesheet, + FLAC__StreamMetadata *picture, + FLAC__StreamMetadata *unknown +) +{ + (void)streaminfo, (void)padding, (void)application2; + free(seektable->data.seek_table.points); + free(application1->data.application.data); + free(vorbiscomment->data.vorbis_comment.vendor_string.entry); + free(vorbiscomment->data.vorbis_comment.comments[0].entry); + free(vorbiscomment->data.vorbis_comment.comments); + free(cuesheet->data.cue_sheet.tracks[0].indices); + free(cuesheet->data.cue_sheet.tracks[1].indices); + free(cuesheet->data.cue_sheet.tracks); + free(picture->data.picture.mime_type); + free(picture->data.picture.description); + free(picture->data.picture.data); + free(unknown->data.unknown.data); +} diff --git a/src/test_seeking/CMakeLists.txt b/src/test_seeking/CMakeLists.txt new file mode 100644 index 0000000..5144291 --- /dev/null +++ b/src/test_seeking/CMakeLists.txt @@ -0,0 +1,5 @@ +add_executable(test_seeking + main.c + $<$<BOOL:${WIN32}>:../../include/share/win_utf8_io.h> + $<$<BOOL:${WIN32}>:../share/win_utf8_io/win_utf8_io.c>) +target_link_libraries(test_seeking FLAC) diff --git a/src/test_seeking/Makefile.am b/src/test_seeking/Makefile.am new file mode 100644 index 0000000..9c9b8da --- /dev/null +++ b/src/test_seeking/Makefile.am @@ -0,0 +1,39 @@ +# test_seeking - Seeking tester for libFLAC +# Copyright (C) 2004-2009 Josh Coalson +# Copyright (C) 2011-2023 Xiph.Org Foundation +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License +# as published by the Free Software Foundation; either version 2 +# of the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License along +# with this program; if not, write to the Free Software Foundation, Inc., +# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + +EXTRA_DIST = \ + CMakeLists.txt + +AM_CFLAGS = @OGG_CFLAGS@ + +AM_CPPFLAGS = -I$(top_builddir) -I$(srcdir)/include -I$(top_srcdir)/include + +check_PROGRAMS = test_seeking + +if OS_IS_WINDOWS +win_utf8_lib = $(top_builddir)/src/share/win_utf8_io/libwin_utf8_io.la +endif + +test_seeking_LDADD = \ + $(top_builddir)/src/libFLAC/libFLAC.la \ + $(win_utf8_lib) + +test_seeking_SOURCES = \ + main.c + +CLEANFILES = test_seeking.exe diff --git a/src/test_seeking/Makefile.in b/src/test_seeking/Makefile.in new file mode 100644 index 0000000..531354c --- /dev/null +++ b/src/test_seeking/Makefile.in @@ -0,0 +1,666 @@ +# Makefile.in generated by automake 1.16.5 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2021 Free Software Foundation, Inc. + +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. + +@SET_MAKE@ + +# test_seeking - Seeking tester for libFLAC +# Copyright (C) 2004-2009 Josh Coalson +# Copyright (C) 2011-2023 Xiph.Org Foundation +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License +# as published by the Free Software Foundation; either version 2 +# of the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 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you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include <signal.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#if defined _MSC_VER || defined __MINGW32__ +#include <time.h> +#else +#include <sys/time.h> +#endif +#include <sys/stat.h> /* for stat() */ +#include "FLAC/assert.h" +#include "FLAC/metadata.h" +#include "FLAC/stream_decoder.h" +#include "share/compat.h" + +typedef struct { + FLAC__int32 **pcm; + FLAC__bool got_data; + FLAC__uint64 total_samples; + uint32_t channels; + uint32_t bits_per_sample; + FLAC__bool quiet; + FLAC__bool ignore_errors; + FLAC__bool error_occurred; +} DecoderClientData; + +static FLAC__bool stop_signal_ = false; + +static void our_sigint_handler_(int signum) +{ + (void)signum; + printf("(caught SIGINT) "); + fflush(stdout); + stop_signal_ = true; +} + +static FLAC__bool die_(const char *msg) +{ + printf("ERROR: %s\n", msg); + return false; +} + +static FLAC__bool die_s_(const char *msg, const FLAC__StreamDecoder *decoder) +{ + FLAC__StreamDecoderState state = FLAC__stream_decoder_get_state(decoder); + + if(msg) + printf("FAILED, %s", msg); + else + printf("FAILED"); + + printf(", state = %u (%s)\n", (uint32_t)state, FLAC__StreamDecoderStateString[state]); + + return false; +} + +static uint32_t local_rand_(void) +{ +#if !defined _MSC_VER && !defined __MINGW32__ +#define RNDFUNC random +#else +#define RNDFUNC rand +#endif + /* every RAND_MAX I've ever seen is 2^15-1 or 2^31-1, so a little hackery here: */ + if (RAND_MAX > 32767) + return RNDFUNC(); + else /* usually MSVC, some solaris */ + return (RNDFUNC()<<15) | RNDFUNC(); +#undef RNDFUNC +} + +static FLAC__off_t get_filesize_(const char *srcpath) +{ + struct flac_stat_s srcstat; + + if(0 == flac_stat(srcpath, &srcstat)) + return srcstat.st_size; + else + return -1; +} + +static FLAC__bool read_pcm_(FLAC__int32 *pcm[], const char *rawfilename, const char *flacfilename) +{ + FILE *f; + uint32_t channels = 0, bps = 0, samples, i, j; + + FLAC__off_t rawfilesize = get_filesize_(rawfilename); + if (rawfilesize < 0) { + fprintf(stderr, "ERROR: can't determine filesize for %s\n", rawfilename); + return false; + } + /* get sample format from flac file; would just use FLAC__metadata_get_streaminfo() except it doesn't work for Ogg FLAC yet */ + { +#if 0 + FLAC__StreamMetadata streaminfo; + if(!FLAC__metadata_get_streaminfo(flacfilename, &streaminfo)) { + printf("ERROR: getting STREAMINFO from %s\n", flacfilename); + return false; + } + channels = streaminfo.data.stream_info.channels; + bps = streaminfo.data.stream_info.bits_per_sample; +#else + FLAC__bool ok = true; + FLAC__Metadata_Chain *chain = FLAC__metadata_chain_new(); + FLAC__Metadata_Iterator *it = 0; + ok = ok && chain && (FLAC__metadata_chain_read(chain, flacfilename) || FLAC__metadata_chain_read_ogg(chain, flacfilename)); + ok = ok && (it = FLAC__metadata_iterator_new()); + if(ok) FLAC__metadata_iterator_init(it, chain); + ok = ok && (FLAC__metadata_iterator_get_block(it)->type == FLAC__METADATA_TYPE_STREAMINFO); + ok = ok && (channels = FLAC__metadata_iterator_get_block(it)->data.stream_info.channels); + ok = ok && (bps = FLAC__metadata_iterator_get_block(it)->data.stream_info.bits_per_sample); + if(it) FLAC__metadata_iterator_delete(it); + if(chain) FLAC__metadata_chain_delete(chain); + if(!ok) { + printf("ERROR: getting STREAMINFO from %s\n", flacfilename); + return false; + } +#endif + } + if(channels > 2) { + printf("ERROR: PCM verification requires 1 or 2 channels, got %u\n", channels); + return false; + } + if(bps != 8 && bps != 16) { + printf("ERROR: PCM verification requires 8 or 16 bps, got %u\n", bps); + return false; + } + samples = (uint32_t)(rawfilesize / channels / (bps>>3)); + if (samples > 10000000) { + fprintf(stderr, "ERROR: %s is too big\n", rawfilename); + return false; + } + for(i = 0; i < channels; i++) { + if(0 == (pcm[i] = malloc(sizeof(FLAC__int32)*samples))) { + printf("ERROR: allocating space for PCM samples\n"); + return false; + } + } + if(0 == (f = flac_fopen(rawfilename, "rb"))) { + printf("ERROR: opening %s for reading\n", rawfilename); + return false; + } + /* assumes signed big-endian data */ + if(bps == 8) { + signed char c; + for(i = 0; i < samples; i++) { + for(j = 0; j < channels; j++) { + if (fread(&c, 1, 1, f) == 1) + pcm[j][i] = c; + } + } + } + else { /* bps == 16 */ + uint8_t c[2]; + uint16_t value; + for(i = 0; i < samples; i++) { + for(j = 0; j < channels; j++) { + if (fread(&c, 1, 2, f) == 2) { + value = (c[0] << 8) | c[1]; + pcm[j][i] = value & 0x8000 ? 0xffff0000 | value : value; + } + } + } + } + fclose(f); + return true; +} + +static FLAC__StreamDecoderWriteStatus write_callback_(const FLAC__StreamDecoder *decoder, const FLAC__Frame *frame, const FLAC__int32 * const buffer[], void *client_data) +{ + DecoderClientData *dcd = (DecoderClientData*)client_data; + + (void)decoder, (void)buffer; + + if(0 == dcd) { + printf("ERROR: client_data in write callback is NULL\n"); + return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT; + } + + if(dcd->error_occurred) + return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT; + + FLAC__ASSERT(frame->header.number_type == FLAC__FRAME_NUMBER_TYPE_SAMPLE_NUMBER); /* decoder guarantees this */ + if (!dcd->quiet) + printf("frame@%" PRIu64 "(%u)... ", frame->header.number.sample_number, frame->header.blocksize); + fflush(stdout); + + /* check against PCM data if we have it */ + if (dcd->pcm) { + uint32_t c, i, j; + for (c = 0; c < frame->header.channels; c++) + for (i = (uint32_t)frame->header.number.sample_number, j = 0; j < frame->header.blocksize; i++, j++) + if (buffer[c][j] != dcd->pcm[c][i]) { + printf("ERROR: sample mismatch at sample#%u(%u), channel=%u, expected %d, got %d\n", i, j, c, buffer[c][j], dcd->pcm[c][i]); + return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT; + } + } + + return FLAC__STREAM_DECODER_WRITE_STATUS_CONTINUE; +} + +static void metadata_callback_(const FLAC__StreamDecoder *decoder, const FLAC__StreamMetadata *metadata, void *client_data) +{ + DecoderClientData *dcd = (DecoderClientData*)client_data; + + (void)decoder; + + if(0 == dcd) { + printf("ERROR: client_data in metadata callback is NULL\n"); + return; + } + + if(dcd->error_occurred) + return; + + if (!dcd->got_data && metadata->type == FLAC__METADATA_TYPE_STREAMINFO) { + dcd->got_data = true; + dcd->total_samples = metadata->data.stream_info.total_samples; + dcd->channels = metadata->data.stream_info.channels; + dcd->bits_per_sample = metadata->data.stream_info.bits_per_sample; + } +} + +static void error_callback_(const FLAC__StreamDecoder *decoder, FLAC__StreamDecoderErrorStatus status, void *client_data) +{ + DecoderClientData *dcd = (DecoderClientData*)client_data; + + (void)decoder; + + if(0 == dcd) { + printf("ERROR: client_data in error callback is NULL\n"); + return; + } + + if(!dcd->ignore_errors) { + printf("ERROR: got error callback: err = %u (%s)\n", (uint32_t)status, FLAC__StreamDecoderErrorStatusString[status]); + dcd->error_occurred = true; + } +} + +/* read mode: + * 0 - no read after seek + * 1 - read 2 frames + * 2 - read until end + */ +static FLAC__bool seek_barrage(FLAC__bool is_ogg, const char *filename, FLAC__off_t filesize, uint32_t count, FLAC__int64 total_samples, uint32_t read_mode, FLAC__int32 **pcm) +{ + FLAC__StreamDecoder *decoder; + DecoderClientData decoder_client_data; + uint32_t i; + long int n; + + decoder_client_data.pcm = pcm; + decoder_client_data.got_data = false; + decoder_client_data.total_samples = 0; + decoder_client_data.quiet = false; + decoder_client_data.ignore_errors = false; + decoder_client_data.error_occurred = false; + + printf("\n+++ seek test: FLAC__StreamDecoder (%s FLAC, read_mode=%u)\n\n", is_ogg? "Ogg":"native", read_mode); + + decoder = FLAC__stream_decoder_new(); + if(0 == decoder) + return die_("FLAC__stream_decoder_new() FAILED, returned NULL\n"); + + if(is_ogg) { + if(FLAC__stream_decoder_init_ogg_file(decoder, filename, write_callback_, metadata_callback_, error_callback_, &decoder_client_data) != FLAC__STREAM_DECODER_INIT_STATUS_OK) + return die_s_("FLAC__stream_decoder_init_file() FAILED", decoder); + } + else { + if(FLAC__stream_decoder_init_file(decoder, filename, write_callback_, metadata_callback_, error_callback_, &decoder_client_data) != FLAC__STREAM_DECODER_INIT_STATUS_OK) + return die_s_("FLAC__stream_decoder_init_file() FAILED", decoder); + } + + if(!FLAC__stream_decoder_process_until_end_of_metadata(decoder)) + return die_s_("FLAC__stream_decoder_process_until_end_of_metadata() FAILED", decoder); + + if(!is_ogg) { /* not necessary to do this for Ogg because of its seeking method */ + /* process until end of stream to make sure we can still seek in that state */ + decoder_client_data.quiet = true; + if(!FLAC__stream_decoder_process_until_end_of_stream(decoder)) + return die_s_("FLAC__stream_decoder_process_until_end_of_stream() FAILED", decoder); + decoder_client_data.quiet = false; + + printf("stream decoder state is %s\n", FLAC__stream_decoder_get_resolved_state_string(decoder)); + if(FLAC__stream_decoder_get_state(decoder) != FLAC__STREAM_DECODER_END_OF_STREAM) + return die_s_("expected FLAC__STREAM_DECODER_END_OF_STREAM", decoder); + } + + printf("file's total_samples is %" PRIu64 "\n", decoder_client_data.total_samples); + n = (long int)decoder_client_data.total_samples; + + if(n == 0 && total_samples >= 0) + n = (long int)total_samples; + + /* if we don't have a total samples count, just guess based on the file size */ + /* @@@ for is_ogg we should get it from last page's granulepos */ + if(n == 0) { + /* 8 would imply no compression, 9 guarantees that we will get some samples off the end of the stream to test that case */ + n = (long int)(9 * filesize / (decoder_client_data.channels * decoder_client_data.bits_per_sample)); + } + + printf("Begin seek barrage, count=%u\n", count); + + for (i = 0; !stop_signal_ && (count == 0 || i < count); i++) { + FLAC__uint64 pos; + + /* for the first 10, seek to the first 10 samples */ + if (n >= 10 && i < 10) { + pos = i; + } + /* for the second 10, seek to the last 10 samples */ + else if (n >= 10 && i < 20) { + pos = n - 1 - (i-10); + } + /* for the third 10, seek past the end and make sure we fail properly as expected */ + else if (i < 30) { + pos = n + (i-20); + } + else { + pos = (FLAC__uint64)(local_rand_() % n); + } + + printf("#%u:seek(%" PRIu64 ")... ", i, pos); + fflush(stdout); + if(!FLAC__stream_decoder_seek_absolute(decoder, pos)) { + if(pos >= (FLAC__uint64)n) + printf("seek past end failed as expected... "); + else if(decoder_client_data.total_samples == 0 && total_samples <= 0) + printf("seek failed, assuming it was past EOF... "); + else + return die_s_("FLAC__stream_decoder_seek_absolute() FAILED", decoder); + if(!FLAC__stream_decoder_flush(decoder)) + return die_s_("FLAC__stream_decoder_flush() FAILED", decoder); + } + else if(read_mode == 1) { + printf("decode_frame... "); + fflush(stdout); + if(!FLAC__stream_decoder_process_single(decoder)) + return die_s_("FLAC__stream_decoder_process_single() FAILED", decoder); + + printf("decode_frame... "); + fflush(stdout); + if(!FLAC__stream_decoder_process_single(decoder)) + return die_s_("FLAC__stream_decoder_process_single() FAILED", decoder); + } + else if(read_mode == 2) { + printf("decode_all... "); + fflush(stdout); + decoder_client_data.quiet = true; + if(!FLAC__stream_decoder_process_until_end_of_stream(decoder)) + return die_s_("FLAC__stream_decoder_process_until_end_of_stream() FAILED", decoder); + decoder_client_data.quiet = false; + } + + printf("OK\n"); + fflush(stdout); + } + stop_signal_ = false; + + if(FLAC__stream_decoder_get_state(decoder) != FLAC__STREAM_DECODER_UNINITIALIZED) { + if(!FLAC__stream_decoder_finish(decoder)) + return die_s_("FLAC__stream_decoder_finish() FAILED", decoder); + } + + FLAC__stream_decoder_delete(decoder); + printf("\nPASSED!\n"); + + return true; +} + + +int main(int argc, char *argv[]) +{ + const char *flacfilename, *rawfilename = 0; + uint32_t count = 0, read_mode; + FLAC__int64 samples = -1; + FLAC__off_t flacfilesize; + FLAC__int32 *pcm[2] = { 0, 0 }; + FLAC__bool ok = true; + + static const char * const usage = "usage: test_seeking file.flac [#seeks] [#samples-in-file.flac] [file.raw]\n"; + + if (argc < 2 || argc > 5) { + fputs(usage, stderr); + return 1; + } + + flacfilename = argv[1]; + + if (argc > 2) + count = strtoul(argv[2], 0, 10); + if (argc > 3) + samples = strtoull(argv[3], 0, 10); + if (argc > 4) + rawfilename = argv[4]; + + if (count < 30) + fprintf(stderr, "WARNING: random seeks don't kick in until after 30 preprogrammed ones\n"); + +#if !defined _MSC_VER && !defined __MINGW32__ + { + struct timeval tv; + + if (gettimeofday(&tv, 0) < 0) { + fprintf(stderr, "WARNING: couldn't seed RNG with time\n"); + tv.tv_usec = 4321; + } + srandom(tv.tv_usec); + } +#else + srand((uint32_t)time(0)); +#endif + + flacfilesize = get_filesize_(flacfilename); + if (flacfilesize < 0) { + fprintf(stderr, "ERROR: can't determine filesize for %s\n", flacfilename); + return 1; + } + + if (rawfilename && !read_pcm_(pcm, rawfilename, flacfilename)) { + free(pcm[0]); + free(pcm[1]); + return 1; + } + + (void) signal(SIGINT, our_sigint_handler_); + + for (read_mode = 0; ok && read_mode <= 2; read_mode++) { + /* no need to do "decode all" read_mode if PCM checking is available */ + if (rawfilename && read_mode > 1) + continue; + if (strlen(flacfilename) > 4 && (0 == strcmp(flacfilename+strlen(flacfilename)-4, ".oga") || 0 == strcmp(flacfilename+strlen(flacfilename)-4, ".ogg"))) { +#if FLAC__HAS_OGG + ok = seek_barrage(/*is_ogg=*/true, flacfilename, flacfilesize, count, samples, read_mode, rawfilename? pcm : 0); +#else + fprintf(stderr, "ERROR: Ogg FLAC not supported\n"); + ok = false; +#endif + } + else { + ok = seek_barrage(/*is_ogg=*/false, flacfilename, flacfilesize, count, samples, read_mode, rawfilename? pcm : 0); + } + } + + free(pcm[0]); + free(pcm[1]); + + return ok? 0 : 2; +} diff --git a/src/test_streams/CMakeLists.txt b/src/test_streams/CMakeLists.txt new file mode 100644 index 0000000..f9fafb9 --- /dev/null +++ b/src/test_streams/CMakeLists.txt @@ -0,0 +1,2 @@ +add_executable(test_streams main.c) +target_link_libraries(test_streams FLAC grabbag) diff --git a/src/test_streams/Makefile.am b/src/test_streams/Makefile.am new file mode 100644 index 0000000..9aa4b02 --- /dev/null +++ b/src/test_streams/Makefile.am @@ -0,0 +1,29 @@ +# test_streams - Simple test pattern generator +# Copyright (C) 2000-2009 Josh Coalson +# Copyright (C) 2011-2023 Xiph.Org Foundation +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License +# as published by the Free Software Foundation; either version 2 +# of the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License along +# with this program; if not, write to the Free Software Foundation, Inc., +# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + +EXTRA_DIST = \ + CMakeLists.txt + +AM_CPPFLAGS = -I$(top_builddir) -I$(srcdir)/include -I$(top_srcdir)/include +check_PROGRAMS = test_streams +test_streams_SOURCES = \ + main.c + +test_streams_LDADD = $(top_builddir)/src/share/grabbag/libgrabbag.la -lm + +CLEANFILES = test_streams.exe diff --git a/src/test_streams/Makefile.in b/src/test_streams/Makefile.in new file mode 100644 index 0000000..83c60e7 --- /dev/null +++ b/src/test_streams/Makefile.in @@ -0,0 +1,661 @@ +# Makefile.in generated by automake 1.16.5 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2021 Free Software Foundation, Inc. + +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. + +@SET_MAKE@ + +# test_streams - Simple test pattern generator +# Copyright (C) 2000-2009 Josh Coalson +# Copyright (C) 2011-2023 Xiph.Org Foundation +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License +# as published by the Free Software Foundation; either version 2 +# of the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License along +# with this program; if not, write to the Free Software Foundation, Inc., +# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +VPATH = @srcdir@ +am__is_gnu_make = { \ + if test -z '$(MAKELEVEL)'; then \ + false; \ + elif test -n '$(MAKE_HOST)'; then \ + true; \ + elif test -n '$(MAKE_VERSION)' && test -n '$(CURDIR)'; then \ + true; \ + else \ + false; \ + fi; \ +} +am__make_running_with_option = \ + case $${target_option-} in \ + ?) ;; \ + *) echo "am__make_running_with_option: internal error: invalid" \ + "target option '$${target_option-}' specified" >&2; \ + exit 1;; \ + esac; \ + has_opt=no; \ + sane_makeflags=$$MAKEFLAGS; \ + if $(am__is_gnu_make); then \ + sane_makeflags=$$MFLAGS; \ + else \ + case $$MAKEFLAGS in \ + *\\[\ \ ]*) \ + bs=\\; \ + sane_makeflags=`printf '%s\n' "$$MAKEFLAGS" \ + | sed "s/$$bs$$bs[$$bs $$bs ]*//g"`;; \ + esac; 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you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include <math.h> +#include <stdio.h> +#include <stdlib.h> +#include "share/compat.h" +#if defined _MSC_VER || defined __MINGW32__ +#include <time.h> +#else +#include <sys/time.h> +#endif +#include "FLAC/assert.h" +#include "FLAC/ordinals.h" +#include "share/compat.h" + +#if !defined _MSC_VER && !defined __MINGW32__ +#define GET_RANDOM_BYTE (((unsigned)random()) & 0xff) +#else +#define GET_RANDOM_BYTE (((unsigned)rand()) & 0xff) +#endif + +static FLAC__bool is_big_endian_host; + + +static FLAC__bool write_little_endian_unsigned(FILE *f, FLAC__uint32 x, size_t bytes) +{ + while(bytes) { + if(fputc(x, f) == EOF) + return false; + x >>= 8; + bytes--; + } + return true; +} + +static FLAC__bool write_little_endian_signed(FILE *f, FLAC__int32 x, size_t bytes) +{ + return write_little_endian_unsigned(f, (FLAC__uint32) x, bytes); +} + +static FLAC__bool write_little_endian_uint16(FILE *f, FLAC__uint16 x) +{ + return + fputc(x, f) != EOF && + fputc(x >> 8, f) != EOF + ; +} + +static FLAC__bool write_little_endian_int16(FILE *f, FLAC__int16 x) +{ + return write_little_endian_uint16(f, (FLAC__uint16)x); +} + +static FLAC__bool write_little_endian_uint24(FILE *f, FLAC__uint32 x) +{ + return + fputc(x, f) != EOF && + fputc(x >> 8, f) != EOF && + fputc(x >> 16, f) != EOF + ; +} + +static FLAC__bool write_little_endian_int24(FILE *f, FLAC__int32 x) +{ + return write_little_endian_uint24(f, (FLAC__uint32)x); +} + +static FLAC__bool write_little_endian_uint32(FILE *f, FLAC__uint32 x) +{ + return + fputc(x, f) != EOF && + fputc(x >> 8, f) != EOF && + fputc(x >> 16, f) != EOF && + fputc(x >> 24, f) != EOF + ; +} + +static FLAC__bool write_little_endian_int32(FILE *f, FLAC__int32 x) +{ + return write_little_endian_uint32(f, (FLAC__uint32)x); +} + +#if defined(_MSC_VER) +// silence 4 MSVC warnings 'conversion from 'FLAC__uint64' to 'int', possible loss of data' +#pragma warning ( disable : 4244 ) +#endif +static FLAC__bool write_little_endian_uint64(FILE *f, FLAC__uint64 x) +{ + return + fputc(x, f) != EOF && + fputc(x >> 8, f) != EOF && + fputc(x >> 16, f) != EOF && + fputc(x >> 24, f) != EOF && + fputc(x >> 32, f) != EOF && + fputc(x >> 40, f) != EOF && + fputc(x >> 48, f) != EOF && + fputc(x >> 56, f) != EOF + ; +} +#if defined(_MSC_VER) +#pragma warning ( default : 4244 ) +#endif + +static FLAC__bool write_big_endian(FILE *f, FLAC__int32 x, size_t bytes) +{ + if(bytes < 4) + x <<= 8*(4-bytes); + while(bytes) { + if(fputc(x>>24, f) == EOF) + return false; + x <<= 8; + bytes--; + } + return true; +} + +static FLAC__bool write_big_endian_uint16(FILE *f, FLAC__uint16 x) +{ + return + fputc(x >> 8, f) != EOF && + fputc(x, f) != EOF + ; +} + +#if 0 +/* @@@ not used (yet) */ +static FLAC__bool write_big_endian_int16(FILE *f, FLAC__int16 x) +{ + return write_big_endian_uint16(f, (FLAC__uint16)x); +} +#endif + +#if 0 +/* @@@ not used (yet) */ +static FLAC__bool write_big_endian_uint24(FILE *f, FLAC__uint32 x) +{ + return + fputc(x >> 16, f) != EOF && + fputc(x >> 8, f) != EOF && + fputc(x, f) != EOF + ; +} +#endif + +#if 0 +/* @@@ not used (yet) */ +static FLAC__bool write_big_endian_int24(FILE *f, FLAC__int32 x) +{ + return write_big_endian_uint24(f, (FLAC__uint32)x); +} +#endif + +static FLAC__bool write_big_endian_uint32(FILE *f, FLAC__uint32 x) +{ + return + fputc(x >> 24, f) != EOF && + fputc(x >> 16, f) != EOF && + fputc(x >> 8, f) != EOF && + fputc(x, f) != EOF + ; +} + +#if 0 +/* @@@ not used (yet) */ +static FLAC__bool write_big_endian_int32(FILE *f, FLAC__int32 x) +{ + return write_big_endian_uint32(f, (FLAC__uint32)x); +} +#endif + +static FLAC__bool write_sane_extended(FILE *f, unsigned val) + /* Write to 'f' a SANE extended representation of 'val'. Return false if + * the write succeeds; return true otherwise. + * + * SANE extended is an 80-bit IEEE-754 representation with sign bit, 15 bits + * of exponent, and 64 bits of significand (mantissa). Unlike most IEEE-754 + * representations, it does not imply a 1 above the MSB of the significand. + * + * Preconditions: + * val!=0U + */ +{ + unsigned int shift, exponent; + + FLAC__ASSERT(val!=0U); /* handling 0 would require a special case */ + + for(shift= 0U; (val>>(31-shift))==0U; ++shift) + ; + val<<= shift; + exponent= 63U-(shift+32U); /* add 32 for unused second word */ + + if(!write_big_endian_uint16(f, (FLAC__uint16)(exponent+0x3FFF))) + return false; + if(!write_big_endian_uint32(f, val)) + return false; + if(!write_big_endian_uint32(f, 0)) /* unused second word */ + return false; + + return true; +} + +/* a mono one-sample 16bps stream */ +static FLAC__bool generate_01(void) +{ + FILE *f; + FLAC__int16 x = -32768; + + if(0 == (f = fopen("test01.raw", "wb"))) + return false; + + if(!write_little_endian_int16(f, x)) + goto foo; + + fclose(f); + return true; +foo: + fclose(f); + return false; +} + +/* a stereo one-sample 16bps stream */ +static FLAC__bool generate_02(void) +{ + FILE *f; + FLAC__int16 xl = -32768, xr = 32767; + + if(0 == (f = fopen("test02.raw", "wb"))) + return false; + + if(!write_little_endian_int16(f, xl)) + goto foo; + if(!write_little_endian_int16(f, xr)) + goto foo; + + fclose(f); + return true; +foo: + fclose(f); + return false; +} + +/* a mono five-sample 16bps stream */ +static FLAC__bool generate_03(void) +{ + FILE *f; + FLAC__int16 x[] = { -25, 0, 25, 50, 100 }; + unsigned i; + + if(0 == (f = fopen("test03.raw", "wb"))) + return false; + + for(i = 0; i < 5; i++) + if(!write_little_endian_int16(f, x[i])) + goto foo; + + fclose(f); + return true; +foo: + fclose(f); + return false; +} + +/* a stereo five-sample 16bps stream */ +static FLAC__bool generate_04(void) +{ + FILE *f; + FLAC__int16 x[] = { -25, 500, 0, 400, 25, 300, 50, 200, 100, 100 }; + unsigned i; + + if(0 == (f = fopen("test04.raw", "wb"))) + return false; + + for(i = 0; i < 10; i++) + if(!write_little_endian_int16(f, x[i])) + goto foo; + + fclose(f); + return true; +foo: + fclose(f); + return false; +} + +/* a mono full-scale deflection 8bps stream */ +static FLAC__bool generate_fsd8(const char *fn, const int pattern[], unsigned reps) +{ + FILE *f; + unsigned rep, p; + + FLAC__ASSERT(pattern != 0); + + if(0 == (f = fopen(fn, "wb"))) + return false; + + for(rep = 0; rep < reps; rep++) { + for(p = 0; pattern[p]; p++) { + signed char x = pattern[p] > 0? 127 : -128; + if(fwrite(&x, sizeof(x), 1, f) < 1) + goto foo; + } + } + + fclose(f); + return true; +foo: + fclose(f); + return false; +} + +/* a mono full-scale deflection 16bps stream */ +static FLAC__bool generate_fsd16(const char *fn, const int pattern[], unsigned reps) +{ + FILE *f; + unsigned rep, p; + + FLAC__ASSERT(pattern != 0); + + if(0 == (f = fopen(fn, "wb"))) + return false; + + for(rep = 0; rep < reps; rep++) { + for(p = 0; pattern[p]; p++) { + FLAC__int16 x = pattern[p] > 0? 32767 : -32768; + if(!write_little_endian_int16(f, x)) + goto foo; + } + } + + fclose(f); + return true; +foo: + fclose(f); + return false; +} + +/* a stereo wasted-bits-per-sample 16bps stream */ +static FLAC__bool generate_wbps16(const char *fn, unsigned samples) +{ + FILE *f; + unsigned sample; + + if(0 == (f = fopen(fn, "wb"))) + return false; + + for(sample = 0; sample < samples; sample++) { + FLAC__int16 l = (sample % 2000) << 2; + FLAC__int16 r = (sample % 1000) << 3; + if(!write_little_endian_int16(f, l)) + goto foo; + if(!write_little_endian_int16(f, r)) + goto foo; + } + + fclose(f); + return true; +foo: + fclose(f); + return false; +} + +/* a mono full-scale deflection 24bps stream */ +static FLAC__bool generate_fsd24(const char *fn, const int pattern[], unsigned reps) +{ + FILE *f; + unsigned rep, p; + + FLAC__ASSERT(pattern != 0); + + if(0 == (f = fopen(fn, "wb"))) + return false; + + for(rep = 0; rep < reps; rep++) { + for(p = 0; pattern[p]; p++) { + FLAC__int32 x = pattern[p] > 0? 8388607 : -8388608; + if(!write_little_endian_int24(f, x)) + goto foo; + } + } + + fclose(f); + return true; +foo: + fclose(f); + return false; +} + +/* a mono full-scale deflection 32bps stream */ +static FLAC__bool generate_fsd32(const char *fn, const int pattern[], unsigned reps) +{ + FILE *f; + unsigned rep, p; + + FLAC__ASSERT(pattern != 0); + + if(0 == (f = fopen(fn, "wb"))) + return false; + + for(rep = 0; rep < reps; rep++) { + for(p = 0; pattern[p]; p++) { + FLAC__int32 x = pattern[p] > 0? 2147483647 : -2147483648; + if(!write_little_endian_int32(f, x)) + goto foo; + } + } + + fclose(f); + return true; +foo: + fclose(f); + return false; +} + +/* a mono sine-wave 8bps stream */ +static FLAC__bool generate_sine8_1(const char *fn, const double sample_rate, const unsigned samples, const double f1, const double a1, const double f2, const double a2) +{ + const FLAC__int8 full_scale = 127; + const double delta1 = 2.0 * M_PI / ( sample_rate / f1); + const double delta2 = 2.0 * M_PI / ( sample_rate / f2); + FILE *f; + double theta1, theta2; + unsigned i; + + if(0 == (f = fopen(fn, "wb"))) + return false; + + for(i = 0, theta1 = theta2 = 0.0; i < samples; i++, theta1 += delta1, theta2 += delta2) { + double val = (a1*sin(theta1) + a2*sin(theta2))*(double)full_scale; + FLAC__int8 v = (FLAC__int8)(val + 0.5); + if(fwrite(&v, sizeof(v), 1, f) < 1) + goto foo; + } + + fclose(f); + return true; +foo: + fclose(f); + return false; +} + +/* a stereo sine-wave 8bps stream */ +static FLAC__bool generate_sine8_2(const char *fn, const double sample_rate, const unsigned samples, const double f1, const double a1, const double f2, const double a2, double fmult) +{ + const FLAC__int8 full_scale = 127; + const double delta1 = 2.0 * M_PI / ( sample_rate / f1); + const double delta2 = 2.0 * M_PI / ( sample_rate / f2); + FILE *f; + double theta1, theta2; + unsigned i; + + if(0 == (f = fopen(fn, "wb"))) + return false; + + for(i = 0, theta1 = theta2 = 0.0; i < samples; i++, theta1 += delta1, theta2 += delta2) { + double val = (a1*sin(theta1) + a2*sin(theta2))*(double)full_scale; + FLAC__int8 v = (FLAC__int8)(val + 0.5); + if(fwrite(&v, sizeof(v), 1, f) < 1) + goto foo; + val = -(a1*sin(theta1*fmult) + a2*sin(theta2*fmult))*(double)full_scale; + v = (FLAC__int8)(val + 0.5); + if(fwrite(&v, sizeof(v), 1, f) < 1) + goto foo; + } + + fclose(f); + return true; +foo: + fclose(f); + return false; +} + +/* a mono sine-wave 16bps stream */ +static FLAC__bool generate_sine16_1(const char *fn, const double sample_rate, const unsigned samples, const double f1, const double a1, const double f2, const double a2) +{ + const FLAC__int16 full_scale = 32767; + const double delta1 = 2.0 * M_PI / ( sample_rate / f1); + const double delta2 = 2.0 * M_PI / ( sample_rate / f2); + FILE *f; + double theta1, theta2; + unsigned i; + + if(0 == (f = fopen(fn, "wb"))) + return false; + + for(i = 0, theta1 = theta2 = 0.0; i < samples; i++, theta1 += delta1, theta2 += delta2) { + double val = (a1*sin(theta1) + a2*sin(theta2))*(double)full_scale; + FLAC__int16 v = (FLAC__int16)(val + 0.5); + if(!write_little_endian_int16(f, v)) + goto foo; + } + + fclose(f); + return true; +foo: + fclose(f); + return false; +} + +/* a stereo sine-wave 16bps stream */ +static FLAC__bool generate_sine16_2(const char *fn, const double sample_rate, const unsigned samples, const double f1, const double a1, const double f2, const double a2, double fmult) +{ + const FLAC__int16 full_scale = 32767; + const double delta1 = 2.0 * M_PI / ( sample_rate / f1); + const double delta2 = 2.0 * M_PI / ( sample_rate / f2); + FILE *f; + double theta1, theta2; + unsigned i; + + if(0 == (f = fopen(fn, "wb"))) + return false; + + for(i = 0, theta1 = theta2 = 0.0; i < samples; i++, theta1 += delta1, theta2 += delta2) { + double val = (a1*sin(theta1) + a2*sin(theta2))*(double)full_scale; + FLAC__int16 v = (FLAC__int16)(val + 0.5); + if(!write_little_endian_int16(f, v)) + goto foo; + val = -(a1*sin(theta1*fmult) + a2*sin(theta2*fmult))*(double)full_scale; + v = (FLAC__int16)(val + 0.5); + if(!write_little_endian_int16(f, v)) + goto foo; + } + + fclose(f); + return true; +foo: + fclose(f); + return false; +} + +/* a mono sine-wave 24bps stream */ +static FLAC__bool generate_sine24_1(const char *fn, const double sample_rate, const unsigned samples, const double f1, const double a1, const double f2, const double a2) +{ + const FLAC__int32 full_scale = 0x7fffff; + const double delta1 = 2.0 * M_PI / ( sample_rate / f1); + const double delta2 = 2.0 * M_PI / ( sample_rate / f2); + FILE *f; + double theta1, theta2; + unsigned i; + + if(0 == (f = fopen(fn, "wb"))) + return false; + + for(i = 0, theta1 = theta2 = 0.0; i < samples; i++, theta1 += delta1, theta2 += delta2) { + double val = (a1*sin(theta1) + a2*sin(theta2))*(double)full_scale; + FLAC__int32 v = (FLAC__int32)(val + 0.5); + if(!write_little_endian_int24(f, v)) + goto foo; + } + + fclose(f); + return true; +foo: + fclose(f); + return false; +} + +/* a stereo sine-wave 24bps stream */ +static FLAC__bool generate_sine24_2(const char *fn, const double sample_rate, const unsigned samples, const double f1, const double a1, const double f2, const double a2, double fmult) +{ + const FLAC__int32 full_scale = 0x7fffff; + const double delta1 = 2.0 * M_PI / ( sample_rate / f1); + const double delta2 = 2.0 * M_PI / ( sample_rate / f2); + FILE *f; + double theta1, theta2; + unsigned i; + + if(0 == (f = fopen(fn, "wb"))) + return false; + + for(i = 0, theta1 = theta2 = 0.0; i < samples; i++, theta1 += delta1, theta2 += delta2) { + double val = (a1*sin(theta1) + a2*sin(theta2))*(double)full_scale; + FLAC__int32 v = (FLAC__int32)(val + 0.5); + if(!write_little_endian_int24(f, v)) + goto foo; + val = -(a1*sin(theta1*fmult) + a2*sin(theta2*fmult))*(double)full_scale; + v = (FLAC__int32)(val + 0.5); + if(!write_little_endian_int24(f, v)) + goto foo; + } + + fclose(f); + return true; +foo: + fclose(f); + return false; +} + +/* a mono sine-wave 32bps stream */ +static FLAC__bool generate_sine32_1(const char *fn, const double sample_rate, const unsigned samples, const double f1, const double a1, const double f2, const double a2) +{ + const FLAC__int32 full_scale = 0x7fffffff; + const double delta1 = 2.0 * M_PI / ( sample_rate / f1); + const double delta2 = 2.0 * M_PI / ( sample_rate / f2); + FILE *f; + double theta1, theta2; + unsigned i; + + if(0 == (f = fopen(fn, "wb"))) + return false; + + for(i = 0, theta1 = theta2 = 0.0; i < samples; i++, theta1 += delta1, theta2 += delta2) { + double val = (a1*sin(theta1) + a2*sin(theta2))*(double)full_scale; + FLAC__int32 v = (FLAC__int32)(val + 0.5); + if(!write_little_endian_int32(f, v)) + goto foo; + } + + fclose(f); + return true; +foo: + fclose(f); + return false; +} + +/* a stereo sine-wave 32bps stream */ +static FLAC__bool generate_sine32_2(const char *fn, const double sample_rate, const unsigned samples, const double f1, const double a1, const double f2, const double a2, double fmult) +{ + const FLAC__int32 full_scale = 0x7fffffff; + const double delta1 = 2.0 * M_PI / ( sample_rate / f1); + const double delta2 = 2.0 * M_PI / ( sample_rate / f2); + FILE *f; + double theta1, theta2; + unsigned i; + + if(0 == (f = fopen(fn, "wb"))) + return false; + + for(i = 0, theta1 = theta2 = 0.0; i < samples; i++, theta1 += delta1, theta2 += delta2) { + double val = (a1*sin(theta1) + a2*sin(theta2))*(double)full_scale; + FLAC__int32 v = (FLAC__int32)(val + 0.5); + if(!write_little_endian_int32(f, v)) + goto foo; + val = -(a1*sin(theta1*fmult) + a2*sin(theta2*fmult))*(double)full_scale; + v = (FLAC__int32)(val + 0.5); + if(!write_little_endian_int32(f, v)) + goto foo; + } + + fclose(f); + return true; +foo: + fclose(f); + return false; +} + +static FLAC__bool generate_noise(const char *fn, unsigned bytes) +{ + FILE *f; + unsigned b; + + if(0 == (f = fopen(fn, "wb"))) + return false; + + for(b = 0; b < bytes; b++) { +#if !defined _MSC_VER && !defined __MINGW32__ + FLAC__byte x = (FLAC__byte)(((unsigned)random()) & 0xff); +#else + FLAC__byte x = (FLAC__byte)(((unsigned)rand()) & 0xff); +#endif + if(fwrite(&x, sizeof(x), 1, f) < 1) + goto foo; + } + + fclose(f); + return true; +foo: + fclose(f); + return false; +} + +static FLAC__bool generate_signed_raw(const char *filename, unsigned channels, unsigned bytes_per_sample, unsigned samples) +{ + const FLAC__int32 full_scale = (1 << (bytes_per_sample*8-1)) - 1; + const double f1 = 441.0, a1 = 0.61, f2 = 661.5, a2 = 0.37; + const double delta1 = 2.0 * M_PI / ( 44100.0 / f1); + const double delta2 = 2.0 * M_PI / ( 44100.0 / f2); + double theta1, theta2; + FILE *f; + unsigned i, j; + + if(0 == (f = fopen(filename, "wb"))) + return false; + + for(i = 0, theta1 = theta2 = 0.0; i < samples; i++, theta1 += delta1, theta2 += delta2) { + for(j = 0; j < channels; j++) { + double val = (a1*sin(theta1) + a2*sin(theta2))*(double)full_scale; + FLAC__int32 v = (FLAC__int32)(val + 0.5) + ((GET_RANDOM_BYTE>>4)-8); + if(!write_little_endian_signed(f, v, bytes_per_sample)) + goto foo; + } + } + + fclose(f); + return true; +foo: + fclose(f); + return false; +} + +static FLAC__bool generate_unsigned_raw(const char *filename, unsigned channels, unsigned bytes_per_sample, unsigned samples) +{ + const FLAC__int32 full_scale = (1 << (bytes_per_sample*8-1)) - 1; + const double f1 = 441.0, a1 = 0.61, f2 = 661.5, a2 = 0.37; + const double delta1 = 2.0 * M_PI / ( 44100.0 / f1); + const double delta2 = 2.0 * M_PI / ( 44100.0 / f2); + const double half_scale = 0.5 * full_scale; + double theta1, theta2; + FILE *f; + unsigned i, j; + + if(0 == (f = fopen(filename, "wb"))) + return false; + + for(i = 0, theta1 = theta2 = 0.0; i < samples; i++, theta1 += delta1, theta2 += delta2) { + for(j = 0; j < channels; j++) { + double val = (a1*sin(theta1) + a2*sin(theta2))*(double)full_scale; + FLAC__int32 v = (FLAC__int32)(half_scale + val + 0.5) + ((GET_RANDOM_BYTE>>4)-8); + if(!write_little_endian_unsigned(f, v, bytes_per_sample)) + goto foo; + } + } + + fclose(f); + return true; +foo: + fclose(f); + return false; +} + +static FLAC__bool generate_aiff(const char *filename, unsigned sample_rate, unsigned channels, unsigned bps, unsigned samples) +{ + const unsigned bytes_per_sample = (bps+7)/8; + const unsigned true_size = channels * bytes_per_sample * samples; + const unsigned padded_size = (true_size + 1) & (~1u); + const unsigned shift = (bps%8)? 8 - (bps%8) : 0; + const FLAC__int32 full_scale = (1 << (bps-1)) - 1; + const double f1 = 441.0, a1 = 0.61, f2 = 661.5, a2 = 0.37; + const double delta1 = 2.0 * M_PI / ( sample_rate / f1); + const double delta2 = 2.0 * M_PI / ( sample_rate / f2); + double theta1, theta2; + FILE *f; + unsigned i, j; + + if(0 == (f = fopen(filename, "wb"))) + return false; + if(fwrite("FORM", 1, 4, f) < 4) + goto foo; + if(!write_big_endian_uint32(f, padded_size + 46)) + goto foo; + if(fwrite("AIFFCOMM\000\000\000\022", 1, 12, f) < 12) + goto foo; + if(!write_big_endian_uint16(f, (FLAC__uint16)channels)) + goto foo; + if(!write_big_endian_uint32(f, samples)) + goto foo; + if(!write_big_endian_uint16(f, (FLAC__uint16)bps)) + goto foo; + if(!write_sane_extended(f, sample_rate)) + goto foo; + if(fwrite("SSND", 1, 4, f) < 4) + goto foo; + if(!write_big_endian_uint32(f, true_size + 8)) + goto foo; + if(fwrite("\000\000\000\000\000\000\000\000", 1, 8, f) < 8) + goto foo; + + for(i = 0, theta1 = theta2 = 0.0; i < samples; i++, theta1 += delta1, theta2 += delta2) { + for(j = 0; j < channels; j++) { + double val = (a1*sin(theta1) + a2*sin(theta2))*(double)full_scale; + FLAC__int32 v = ((FLAC__int32)(val + 0.5) + ((GET_RANDOM_BYTE>>4)-8)) << shift; + if(!write_big_endian(f, v, bytes_per_sample)) + goto foo; + } + } + for(i = true_size; i < padded_size; i++) + if(fputc(0, f) == EOF) + goto foo; + + fclose(f); + return true; +foo: + fclose(f); + return false; +} + +/* flavor is: 0:WAVE, 1:RF64, 2:WAVE64 */ +static FLAC__bool generate_wav(const char *filename, unsigned sample_rate, unsigned channels, unsigned bps, unsigned samples, FLAC__bool strict, int flavor) +{ + const FLAC__bool waveformatextensible = strict && (channels > 2 || (bps != 8 && bps != 16)); + + const unsigned bytes_per_sample = (bps+7)/8; + const unsigned shift = (bps%8)? 8 - (bps%8) : 0; + /* this rig is not going over 4G so we're ok with 32-bit sizes here */ + const FLAC__uint32 true_size = channels * bytes_per_sample * samples; + const FLAC__uint32 padded_size = flavor<2? (true_size + 1) & (~1u) : (true_size + 7) & (~7u); + const FLAC__int32 full_scale = (1 << (bps-1)) - 1; + const double f1 = 441.0, a1 = 0.61, f2 = 661.5, a2 = 0.37; + const double delta1 = 2.0 * M_PI / ( sample_rate / f1); + const double delta2 = 2.0 * M_PI / ( sample_rate / f2); + double theta1, theta2; + FILE *f; + unsigned i, j; + + if(0 == (f = fopen(filename, "wb"))) + return false; + /* RIFFxxxxWAVE or equivalent: */ + switch(flavor) { + case 0: + if(fwrite("RIFF", 1, 4, f) < 4) + goto foo; + /* +4 for WAVE */ + /* +8+{40,16} for fmt chunk */ + /* +8 for data chunk header */ + if(!write_little_endian_uint32(f, 4 + 8+(waveformatextensible?40:16) + 8 + padded_size)) + goto foo; + if(fwrite("WAVE", 1, 4, f) < 4) + goto foo; + break; + case 1: + if(fwrite("RF64", 1, 4, f) < 4) + goto foo; + if(!write_little_endian_uint32(f, 0xffffffff)) + goto foo; + if(fwrite("WAVE", 1, 4, f) < 4) + goto foo; + break; + case 2: + /* RIFF GUID 66666972-912E-11CF-A5D6-28DB04C10000 */ + if(fwrite("\x72\x69\x66\x66\x2E\x91\xCF\x11\xA5\xD6\x28\xDB\x04\xC1\x00\x00", 1, 16, f) < 16) + goto foo; + /* +(16+8) for RIFF GUID + size */ + /* +16 for WAVE GUID */ + /* +16+8+{40,16} for fmt chunk */ + /* +16+8 for data chunk header */ + if(!write_little_endian_uint64(f, (16+8) + 16 + 16+8+(waveformatextensible?40:16) + (16+8) + padded_size)) + goto foo; + /* WAVE GUID 65766177-ACF3-11D3-8CD1-00C04F8EDB8A */ + if(fwrite("\x77\x61\x76\x65\xF3\xAC\xD3\x11\x8C\xD1\x00\xC0\x4F\x8E\xDB\x8A", 1, 16, f) < 16) + goto foo; + break; + default: + goto foo; + } + if(flavor == 1) { /* rf64 */ + if(fwrite("ds64", 1, 4, f) < 4) + goto foo; + if(!write_little_endian_uint32(f, 28)) /* ds64 chunk size */ + goto foo; + if(!write_little_endian_uint64(f, 36 + padded_size + (waveformatextensible?60:36))) + goto foo; + if(!write_little_endian_uint64(f, true_size)) + goto foo; + if(!write_little_endian_uint64(f, samples)) + goto foo; + if(!write_little_endian_uint32(f, 0)) /* table size */ + goto foo; + } + /* fmt chunk */ + if(flavor < 2) { + if(fwrite("fmt ", 1, 4, f) < 4) + goto foo; + /* chunk size */ + if(!write_little_endian_uint32(f, waveformatextensible?40:16)) + goto foo; + } + else { /* wave64 */ + /* fmt GUID 20746D66-ACF3-11D3-8CD1-00C04F8EDB8A */ + if(fwrite("\x66\x6D\x74\x20\xF3\xAC\xD3\x11\x8C\xD1\x00\xC0\x4F\x8E\xDB\x8A", 1, 16, f) < 16) + goto foo; + /* chunk size (+16+8 for GUID and size fields) */ + if(!write_little_endian_uint64(f, 16+8+(waveformatextensible?40:16))) + goto foo; + } + if(!write_little_endian_uint16(f, (FLAC__uint16)(waveformatextensible?65534:1))) + goto foo; + if(!write_little_endian_uint16(f, (FLAC__uint16)channels)) + goto foo; + if(!write_little_endian_uint32(f, sample_rate)) + goto foo; + if(!write_little_endian_uint32(f, sample_rate * channels * bytes_per_sample)) + goto foo; + if(!write_little_endian_uint16(f, (FLAC__uint16)(channels * bytes_per_sample))) /* block align */ + goto foo; + if(!write_little_endian_uint16(f, (FLAC__uint16)(bps+shift))) + goto foo; + if(waveformatextensible) { + if(!write_little_endian_uint16(f, (FLAC__uint16)22)) /* cbSize */ + goto foo; + if(!write_little_endian_uint16(f, (FLAC__uint16)bps)) /* validBitsPerSample */ + goto foo; + if(!write_little_endian_uint32(f, 0)) /* channelMask */ + goto foo; + /* GUID = {0x00000001, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}} */ + if(fwrite("\x01\x00\x00\x00\x00\x00\x10\x00\x80\x00\x00\xaa\x00\x38\x9b\x71", 1, 16, f) != 16) + goto foo; + } + /* data chunk */ + if(flavor < 2) { + if(fwrite("data", 1, 4, f) < 4) + goto foo; + if(!write_little_endian_uint32(f, flavor==1? 0xffffffff : true_size)) + goto foo; + } + else { /* wave64 */ + /* data GUID 61746164-ACF3-11D3-8CD1-00C04F8EDB8A */ + if(fwrite("\x64\x61\x74\x61\xF3\xAC\xD3\x11\x8C\xD1\x00\xC0\x4F\x8E\xDB\x8A", 1, 16, f) != 16) + goto foo; + /* +16+8 for GUID and size fields */ + if(!write_little_endian_uint64(f, 16+8 + true_size)) + goto foo; + } + + for(i = 0, theta1 = theta2 = 0.0; i < samples; i++, theta1 += delta1, theta2 += delta2) { + for(j = 0; j < channels; j++) { + double val = (a1*sin(theta1) + a2*sin(theta2))*(double)full_scale; + FLAC__int32 v = ((FLAC__int32)(val + 0.5) + ((GET_RANDOM_BYTE>>4)-8)) << shift; + if(!write_little_endian_signed(f, v, bytes_per_sample)) + goto foo; + } + } + for(i = true_size; i < padded_size; i++) + if(fputc(0, f) == EOF) + goto foo; + + fclose(f); + return true; +foo: + fclose(f); + return false; +} + +static FLAC__bool generate_wackywavs(void) +{ + FILE *f; + FLAC__byte wav[] = { + 'R', 'I', 'F', 'F', 76, 0, 0, 0, + 'W', 'A', 'V', 'E', 'j', 'u', 'n', 'k', + 4, 0, 0, 0 , 'b', 'l', 'a', 'h', + 'p', 'a', 'd', ' ', 4, 0, 0, 0, + 'B', 'L', 'A', 'H', 'f', 'm', 't', ' ', + 16, 0, 0, 0, 1, 0, 1, 0, + 0x44,0xAC, 0, 0,0x88,0x58,0x01, 0, + 2, 0, 16, 0, 'd', 'a', 't', 'a', + 16, 0, 0, 0, 0, 0, 1, 0, + 4, 0, 9, 0, 16, 0, 25, 0, + 36, 0, 49, 0, 'p', 'a', 'd', ' ', + 4, 0, 0, 0, 'b', 'l', 'a', 'h' + }; + + if(0 == (f = fopen("wacky1.wav", "wb"))) + return false; + if(fwrite(wav, 1, 84, f) < 84) + goto foo; + fclose(f); + + wav[4] += 12; + if(0 == (f = fopen("wacky2.wav", "wb"))) + return false; + if(fwrite(wav, 1, 96, f) < 96) + goto foo; + fclose(f); + + return true; +foo: + fclose(f); + return false; +} + +static FLAC__bool write_simple_wavex_header (FILE * f, unsigned samplerate, unsigned channels, unsigned bytespersample, unsigned frames) +{ + unsigned datalen = channels * bytespersample * frames ; + + if (fwrite("RIFF", 1, 4, f) != 4) + return false; + if (!write_little_endian_uint32(f, 60 + datalen)) + return false; + + if (fwrite("WAVEfmt ", 8, 1, f) != 1) + return false; + if (!write_little_endian_uint32(f, 40)) + return false; + + if(!write_little_endian_uint16(f, 65534)) /* WAVEFORMATEXTENSIBLE tag */ + return false; + if(!write_little_endian_uint16(f, channels)) + return false; + if(!write_little_endian_uint32(f, samplerate)) + return false; + if(!write_little_endian_uint32(f, samplerate * channels * bytespersample)) + return false; + if(!write_little_endian_uint16(f, channels * bytespersample)) /* block align */ + return false; + if(!write_little_endian_uint16(f, bytespersample * 8)) + return false; + + if(!write_little_endian_uint16(f, 22)) /* cbSize */ + return false; + if(!write_little_endian_uint16(f, bytespersample * 8)) /* validBitsPerSample */ + return false; + if(!write_little_endian_uint32(f, 0)) /* channelMask */ + return false; + /* GUID = {0x00000001, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}} */ + if(fwrite("\x01\x00\x00\x00\x00\x00\x10\x00\x80\x00\x00\xaa\x00\x38\x9b\x71", 1, 16, f) != 16) + return false; + + if (fwrite("data", 1, 4, f) != 4) + return false; + if (!write_little_endian_uint32(f, datalen)) + return false; + + return true; +} + +static FLAC__bool generate_noisy_sine(void) +{ + FILE *f; + int64_t randstate = 0x1243456; + double sample, last_val = 0.0; + int k; + int seconds = 300; + + if(0 == (f = fopen("noisy-sine.wav", "wb"))) + return false; + + if(!write_simple_wavex_header (f, 44100, 1, 2, 44100*seconds)) + goto foo; + + for (k = 0 ; k < seconds * 44100 ; k++) { + /* Obvioulsy not a crypto quality RNG. */ + randstate = 11117 * randstate + 211231; + randstate = 11117 * randstate + 211231; + randstate = 11117 * randstate + 211231; + + sample = ((int32_t) randstate) / (0x7fffffff * 1.000001); + sample = 0.2 * sample - 0.9 * last_val; + + last_val = sample; + + sample += sin (2.0 * k * M_PI * 1.0 / 32.0); + sample *= 0.4; +#if !defined _MSC_VER + write_little_endian_int16(f, lrintf(sample * 32700.0)); +#else + write_little_endian_int16(f, (FLAC__int16)(sample * 32700.0)); +#endif + }; + + fclose(f); + + return true; +foo: + fclose(f); + return false; +} + +static FLAC__bool generate_wackywav64s(void) +{ + FILE *f; + FLAC__byte wav[] = { + 0x72,0x69,0x66,0x66,0x2E,0x91,0xCF,0x11, /* RIFF GUID */ + 0xA5,0xD6,0x28,0xDB,0x04,0xC1,0x00,0x00, + 152, 0, 0, 0, 0, 0, 0, 0, + 0x77,0x61,0x76,0x65,0xF3,0xAC,0xD3,0x11, /* WAVE GUID */ + 0x8C,0xD1,0x00,0xC0,0x4F,0x8E,0xDB,0x8A, + 0x6A,0x75,0x6E,0x6B,0xF3,0xAC,0xD3,0x11, /* junk GUID */ + 0x8C,0xD1,0x00,0xC0,0x4F,0x8E,0xDB,0x8A, + 32, 0, 0, 0 , 0, 0, 0, 0, + 'b', 'l', 'a', 'h', 'b', 'l', 'a', 'h', + 0x66,0x6D,0x74,0x20,0xF3,0xAC,0xD3,0x11, /* fmt GUID */ + 0x8C,0xD1,0x00,0xC0,0x4F,0x8E,0xDB,0x8A, + 40, 0, 0, 0 , 0, 0, 0, 0, + 1, 0, 1, 0,0x44,0xAC, 0, 0, + 0x88,0x58,0x01, 0, 2, 0, 16, 0, + 0x64,0x61,0x74,0x61,0xF3,0xAC,0xD3,0x11, /* data GUID */ + 0x8C,0xD1,0x00,0xC0,0x4F,0x8E,0xDB,0x8A, + 40, 0, 0, 0 , 0, 0, 0, 0, + 0, 0, 1, 0, 4, 0, 9, 0, + 16, 0, 25, 0, 36, 0, 49, 0, + 0x6A,0x75,0x6E,0x6B,0xF3,0xAC,0xD3,0x11, /* junk GUID */ + 0x8C,0xD1,0x00,0xC0,0x4F,0x8E,0xDB,0x8A, + 32, 0, 0, 0 , 0, 0, 0, 0, + 'b', 'l', 'a', 'h', 'b', 'l', 'a', 'h' + }; + + if(0 == (f = fopen("wacky1.w64", "wb"))) + return false; + if(fwrite(wav, 1, wav[16], f) < wav[16]) + goto foo; + fclose(f); + + wav[16] += 32; + if(0 == (f = fopen("wacky2.w64", "wb"))) + return false; + if(fwrite(wav, 1, wav[16], f) < wav[16]) + goto foo; + fclose(f); + + return true; +foo: + fclose(f); + return false; +} + +static FLAC__bool generate_wackyrf64s(void) +{ + FILE *f; + FLAC__byte wav[] = { + 'R', 'F', '6', '4', 255, 255, 255, 255, + 'W', 'A', 'V', 'E', 'd', 's', '6', '4', + 28, 0, 0, 0, 112, 0, 0, 0, + 0, 0, 0, 0, 16, 0, 0, 0, + 0, 0, 0, 0, 8, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 'j', 'u', 'n', 'k', + 4, 0, 0, 0, 'b', 'l', 'a', 'h', + 'p', 'a', 'd', ' ', 4, 0, 0, 0, + 'B', 'L', 'A', 'H', 'f', 'm', 't', ' ', + 16, 0, 0, 0, 1, 0, 1, 0, + 0x44,0xAC, 0, 0,0x88,0x58,0x01, 0, + 2, 0, 16, 0, 'd', 'a', 't', 'a', + 255, 255, 255, 255, 0, 0, 1, 0, + 4, 0, 9, 0, 16, 0, 25, 0, + 36, 0, 49, 0, 'p', 'a', 'd', ' ', + 4, 0, 0, 0, 'b', 'l', 'a', 'h' + }; + + if(0 == (f = fopen("wacky1.rf64", "wb"))) + return false; + if(fwrite(wav, 1, 120, f) < 120) + goto foo; + fclose(f); + + wav[20] += 12; + if(0 == (f = fopen("wacky2.rf64", "wb"))) + return false; + if(fwrite(wav, 1, 132, f) < 132) + goto foo; + fclose(f); + + return true; +foo: + fclose(f); + return false; +} + +static FLAC__bool generate_replaygain_tone (unsigned samplerate) +{ + FILE *f; + char fname [256] ; + double tone, sample, samplerange; + int k; + + flac_snprintf(fname, sizeof(fname), "rpg-tone-%u.wav", samplerate); + + if(0 == (f = fopen(fname, "wb"))) + return false; + + if(!write_simple_wavex_header (f, samplerate, 1, 3, 220500)) + goto foo; + + + samplerange = 0x7fffff; /* Largest sample value allowed for a 24 bit PCM file. */ + tone = 1000.0; /* 1 kHz */ + + for (k = 0 ; k < 5 * 44100 ; k++) { + sample = sin(2 * M_PI * tone * k / samplerate); + sample *= samplerange; + if (!write_little_endian_uint24(f, (FLAC__int32) sample)) + goto foo; + }; + + fclose(f); + + return true; +foo: + fclose(f); + return false; +} + +int main(int argc, char *argv[]) +{ + FLAC__uint32 test = 1; + unsigned channels; + + int pattern01[] = { 1, -1, 0 }; + int pattern02[] = { 1, 1, -1, 0 }; + int pattern03[] = { 1, -1, -1, 0 }; + int pattern04[] = { 1, -1, 1, -1, 0 }; + int pattern05[] = { 1, -1, -1, 1, 0 }; + int pattern06[] = { 1, -1, 1, 1, -1, 0 }; + int pattern07[] = { 1, -1, -1, 1, -1, 0 }; + + (void)argc; + (void)argv; + is_big_endian_host = (*((FLAC__byte*)(&test)))? false : true; + +#if !defined _MSC_VER && !defined __MINGW32__ + { + struct timeval tv; + + if(gettimeofday(&tv, 0) < 0) { + fprintf(stderr, "WARNING: couldn't seed RNG with time\n"); + tv.tv_usec = 4321; + } + srandom(tv.tv_usec); + } +#else + srand((unsigned)time(0)); +#endif + + if(!generate_01()) return 1; + if(!generate_02()) return 1; + if(!generate_03()) return 1; + if(!generate_04()) return 1; + + if(!generate_fsd8("fsd8-01.raw", pattern01, 100)) return 1; + if(!generate_fsd8("fsd8-02.raw", pattern02, 100)) return 1; + if(!generate_fsd8("fsd8-03.raw", pattern03, 100)) return 1; + if(!generate_fsd8("fsd8-04.raw", pattern04, 100)) return 1; + if(!generate_fsd8("fsd8-05.raw", pattern05, 100)) return 1; + if(!generate_fsd8("fsd8-06.raw", pattern06, 100)) return 1; + if(!generate_fsd8("fsd8-07.raw", pattern07, 100)) return 1; + + if(!generate_fsd16("fsd16-01.raw", pattern01, 100)) return 1; + if(!generate_fsd16("fsd16-02.raw", pattern02, 100)) return 1; + if(!generate_fsd16("fsd16-03.raw", pattern03, 100)) return 1; + if(!generate_fsd16("fsd16-04.raw", pattern04, 100)) return 1; + if(!generate_fsd16("fsd16-05.raw", pattern05, 100)) return 1; + if(!generate_fsd16("fsd16-06.raw", pattern06, 100)) return 1; + if(!generate_fsd16("fsd16-07.raw", pattern07, 100)) return 1; + + if(!generate_fsd24("fsd24-01.raw", pattern01, 100)) return 1; + if(!generate_fsd24("fsd24-02.raw", pattern02, 100)) return 1; + if(!generate_fsd24("fsd24-03.raw", pattern03, 100)) return 1; + if(!generate_fsd24("fsd24-04.raw", pattern04, 100)) return 1; + if(!generate_fsd24("fsd24-05.raw", pattern05, 100)) return 1; + if(!generate_fsd24("fsd24-06.raw", pattern06, 100)) return 1; + if(!generate_fsd24("fsd24-07.raw", pattern07, 100)) return 1; + + if(!generate_fsd32("fsd32-01.raw", pattern01, 100)) return 1; + if(!generate_fsd32("fsd32-02.raw", pattern02, 100)) return 1; + if(!generate_fsd32("fsd32-03.raw", pattern03, 100)) return 1; + if(!generate_fsd32("fsd32-04.raw", pattern04, 100)) return 1; + if(!generate_fsd32("fsd32-05.raw", pattern05, 100)) return 1; + if(!generate_fsd32("fsd32-06.raw", pattern06, 100)) return 1; + if(!generate_fsd32("fsd32-07.raw", pattern07, 100)) return 1; + + if(!generate_wbps16("wbps16-01.raw", 1000)) return 1; + + if(!generate_sine8_1("sine8-00.raw", 48000.0, 200000, 441.0, 0.50, 441.0, 0.49)) return 1; + if(!generate_sine8_1("sine8-01.raw", 96000.0, 200000, 441.0, 0.61, 661.5, 0.37)) return 1; + if(!generate_sine8_1("sine8-02.raw", 44100.0, 200000, 441.0, 0.50, 882.0, 0.49)) return 1; + if(!generate_sine8_1("sine8-03.raw", 44100.0, 200000, 441.0, 0.50, 4410.0, 0.49)) return 1; + if(!generate_sine8_1("sine8-04.raw", 44100.0, 200000, 8820.0, 0.70, 4410.0, 0.29)) return 1; + + if(!generate_sine8_2("sine8-10.raw", 48000.0, 200000, 441.0, 0.50, 441.0, 0.49, 1.0)) return 1; + if(!generate_sine8_2("sine8-11.raw", 48000.0, 200000, 441.0, 0.61, 661.5, 0.37, 1.0)) return 1; + if(!generate_sine8_2("sine8-12.raw", 96000.0, 200000, 441.0, 0.50, 882.0, 0.49, 1.0)) return 1; + if(!generate_sine8_2("sine8-13.raw", 44100.0, 200000, 441.0, 0.50, 4410.0, 0.49, 1.0)) return 1; + if(!generate_sine8_2("sine8-14.raw", 44100.0, 200000, 8820.0, 0.70, 4410.0, 0.29, 1.0)) return 1; + if(!generate_sine8_2("sine8-15.raw", 44100.0, 200000, 441.0, 0.50, 441.0, 0.49, 0.5)) return 1; + if(!generate_sine8_2("sine8-16.raw", 44100.0, 200000, 441.0, 0.61, 661.5, 0.37, 2.0)) return 1; + if(!generate_sine8_2("sine8-17.raw", 44100.0, 200000, 441.0, 0.50, 882.0, 0.49, 0.7)) return 1; + if(!generate_sine8_2("sine8-18.raw", 44100.0, 200000, 441.0, 0.50, 4410.0, 0.49, 1.3)) return 1; + if(!generate_sine8_2("sine8-19.raw", 44100.0, 200000, 8820.0, 0.70, 4410.0, 0.29, 0.1)) return 1; + + if(!generate_sine16_1("sine16-00.raw", 48000.0, 200000, 441.0, 0.50, 441.0, 0.49)) return 1; + if(!generate_sine16_1("sine16-01.raw", 96000.0, 200000, 441.0, 0.61, 661.5, 0.37)) return 1; + if(!generate_sine16_1("sine16-02.raw", 44100.0, 200000, 441.0, 0.50, 882.0, 0.49)) return 1; + if(!generate_sine16_1("sine16-03.raw", 44100.0, 200000, 441.0, 0.50, 4410.0, 0.49)) return 1; + if(!generate_sine16_1("sine16-04.raw", 44100.0, 200000, 8820.0, 0.70, 4410.0, 0.29)) return 1; + + if(!generate_sine16_2("sine16-10.raw", 48000.0, 200000, 441.0, 0.50, 441.0, 0.49, 1.0)) return 1; + if(!generate_sine16_2("sine16-11.raw", 48000.0, 200000, 441.0, 0.61, 661.5, 0.37, 1.0)) return 1; + if(!generate_sine16_2("sine16-12.raw", 96000.0, 200000, 441.0, 0.50, 882.0, 0.49, 1.0)) return 1; + if(!generate_sine16_2("sine16-13.raw", 44100.0, 200000, 441.0, 0.50, 4410.0, 0.49, 1.0)) return 1; + if(!generate_sine16_2("sine16-14.raw", 44100.0, 200000, 8820.0, 0.70, 4410.0, 0.29, 1.0)) return 1; + if(!generate_sine16_2("sine16-15.raw", 44100.0, 200000, 441.0, 0.50, 441.0, 0.49, 0.5)) return 1; + if(!generate_sine16_2("sine16-16.raw", 44100.0, 200000, 441.0, 0.61, 661.5, 0.37, 2.0)) return 1; + if(!generate_sine16_2("sine16-17.raw", 44100.0, 200000, 441.0, 0.50, 882.0, 0.49, 0.7)) return 1; + if(!generate_sine16_2("sine16-18.raw", 44100.0, 200000, 441.0, 0.50, 4410.0, 0.49, 1.3)) return 1; + if(!generate_sine16_2("sine16-19.raw", 44100.0, 200000, 8820.0, 0.70, 4410.0, 0.29, 0.1)) return 1; + + if(!generate_sine24_1("sine24-00.raw", 48000.0, 200000, 441.0, 0.50, 441.0, 0.49)) return 1; + if(!generate_sine24_1("sine24-01.raw", 96000.0, 200000, 441.0, 0.61, 661.5, 0.37)) return 1; + if(!generate_sine24_1("sine24-02.raw", 44100.0, 200000, 441.0, 0.50, 882.0, 0.49)) return 1; + if(!generate_sine24_1("sine24-03.raw", 44100.0, 200000, 441.0, 0.50, 4410.0, 0.49)) return 1; + if(!generate_sine24_1("sine24-04.raw", 44100.0, 200000, 8820.0, 0.70, 4410.0, 0.29)) return 1; + + if(!generate_sine24_2("sine24-10.raw", 48000.0, 200000, 441.0, 0.50, 441.0, 0.49, 1.0)) return 1; + if(!generate_sine24_2("sine24-11.raw", 48000.0, 200000, 441.0, 0.61, 661.5, 0.37, 1.0)) return 1; + if(!generate_sine24_2("sine24-12.raw", 96000.0, 200000, 441.0, 0.50, 882.0, 0.49, 1.0)) return 1; + if(!generate_sine24_2("sine24-13.raw", 44100.0, 200000, 441.0, 0.50, 4410.0, 0.49, 1.0)) return 1; + if(!generate_sine24_2("sine24-14.raw", 44100.0, 200000, 8820.0, 0.70, 4410.0, 0.29, 1.0)) return 1; + if(!generate_sine24_2("sine24-15.raw", 44100.0, 200000, 441.0, 0.50, 441.0, 0.49, 0.5)) return 1; + if(!generate_sine24_2("sine24-16.raw", 44100.0, 200000, 441.0, 0.61, 661.5, 0.37, 2.0)) return 1; + if(!generate_sine24_2("sine24-17.raw", 44100.0, 200000, 441.0, 0.50, 882.0, 0.49, 0.7)) return 1; + if(!generate_sine24_2("sine24-18.raw", 44100.0, 200000, 441.0, 0.50, 4410.0, 0.49, 1.3)) return 1; + if(!generate_sine24_2("sine24-19.raw", 44100.0, 200000, 8820.0, 0.70, 4410.0, 0.29, 0.1)) return 1; + + if(!generate_sine32_1("sine32-00.raw", 48000.0, 200000, 441.0, 0.50, 441.0, 0.49)) return 1; + if(!generate_sine32_1("sine32-01.raw", 96000.0, 200000, 441.0, 0.61, 661.5, 0.37)) return 1; + if(!generate_sine32_1("sine32-02.raw", 44100.0, 200000, 441.0, 0.50, 882.0, 0.49)) return 1; + if(!generate_sine32_1("sine32-03.raw", 44100.0, 200000, 441.0, 0.50, 4410.0, 0.49)) return 1; + if(!generate_sine32_1("sine32-04.raw", 44100.0, 200000, 8820.0, 0.70, 4410.0, 0.29)) return 1; + + if(!generate_sine32_2("sine32-10.raw", 48000.0, 200000, 441.0, 0.50, 441.0, 0.49, 1.0)) return 1; + if(!generate_sine32_2("sine32-11.raw", 48000.0, 200000, 441.0, 0.61, 661.5, 0.37, 1.0)) return 1; + if(!generate_sine32_2("sine32-12.raw", 96000.0, 200000, 441.0, 0.50, 882.0, 0.49, 1.0)) return 1; + if(!generate_sine32_2("sine32-13.raw", 44100.0, 200000, 441.0, 0.50, 4410.0, 0.49, 1.0)) return 1; + if(!generate_sine32_2("sine32-14.raw", 44100.0, 200000, 8820.0, 0.70, 4410.0, 0.29, 1.0)) return 1; + if(!generate_sine32_2("sine32-15.raw", 44100.0, 200000, 441.0, 0.50, 441.0, 0.49, 0.5)) return 1; + if(!generate_sine32_2("sine32-16.raw", 44100.0, 200000, 441.0, 0.61, 661.5, 0.37, 2.0)) return 1; + if(!generate_sine32_2("sine32-17.raw", 44100.0, 200000, 441.0, 0.50, 882.0, 0.49, 0.7)) return 1; + if(!generate_sine32_2("sine32-18.raw", 44100.0, 200000, 441.0, 0.50, 4410.0, 0.49, 1.3)) return 1; + if(!generate_sine32_2("sine32-19.raw", 44100.0, 200000, 8820.0, 0.70, 4410.0, 0.29, 0.1)) return 1; + + if(!generate_replaygain_tone(8000)) return 1; + if(!generate_replaygain_tone(11025)) return 1; + if(!generate_replaygain_tone(12000)) return 1; + if(!generate_replaygain_tone(16000)) return 1; + if(!generate_replaygain_tone(18900)) return 1; + if(!generate_replaygain_tone(22050)) return 1; + if(!generate_replaygain_tone(24000)) return 1; + if(!generate_replaygain_tone(28000)) return 1; + if(!generate_replaygain_tone(32000)) return 1; + if(!generate_replaygain_tone(36000)) return 1; + if(!generate_replaygain_tone(37800)) return 1; + if(!generate_replaygain_tone(44100)) return 1; + if(!generate_replaygain_tone(48000)) return 1; + if(!generate_replaygain_tone(96000)) return 1; + if(!generate_replaygain_tone(192000)) return 1; + + /* WATCHOUT: the size of noise.raw is hardcoded into test/test_flac.sh */ + if(!generate_noise("noise.raw", 65536 * 8 * 3)) return 1; + if(!generate_noise("noise8m32.raw", 32)) return 1; + if(!generate_wackywavs()) return 1; + if(!generate_wackywav64s()) return 1; + if(!generate_wackyrf64s()) return 1; + if(!generate_noisy_sine()) return 1; + for(channels = 1; channels <= 8; channels *= 2) { + unsigned bits_per_sample; + for(bits_per_sample = 8; bits_per_sample <= 24; bits_per_sample += 4) { + static const unsigned nsamples[] = { 1, 111, 4777 } ; + unsigned samples; + for(samples = 0; samples < sizeof(nsamples)/sizeof(nsamples[0]); samples++) { + char fn[64]; + + flac_snprintf(fn, sizeof (fn), "rt-%u-%u-%u.aiff", channels, bits_per_sample, nsamples[samples]); + if(!generate_aiff(fn, 44100, channels, bits_per_sample, nsamples[samples])) + return 1; + + flac_snprintf(fn, sizeof (fn), "rt-%u-%u-%u.wav", channels, bits_per_sample, nsamples[samples]); + if(!generate_wav(fn, 44100, channels, bits_per_sample, nsamples[samples], /*strict=*/true, /*flavor=*/0)) + return 1; + + flac_snprintf(fn, sizeof (fn), "rt-%u-%u-%u.rf64", channels, bits_per_sample, nsamples[samples]); + if(!generate_wav(fn, 44100, channels, bits_per_sample, nsamples[samples], /*strict=*/true, /*flavor=*/1)) + return 1; + + flac_snprintf(fn, sizeof (fn), "rt-%u-%u-%u.w64", channels, bits_per_sample, nsamples[samples]); + if(!generate_wav(fn, 44100, channels, bits_per_sample, nsamples[samples], /*strict=*/true, /*flavor=*/2)) + return 1; + + if(bits_per_sample % 8 == 0) { + flac_snprintf(fn, sizeof (fn), "rt-%u-%u-signed-%u.raw", channels, bits_per_sample, nsamples[samples]); + if(!generate_signed_raw(fn, channels, bits_per_sample/8, nsamples[samples])) + return 1; + flac_snprintf(fn, sizeof (fn), "rt-%u-%u-unsigned-%u.raw", channels, bits_per_sample, nsamples[samples]); + if(!generate_unsigned_raw(fn, channels, bits_per_sample/8, nsamples[samples])) + return 1; + } + } + } + } + + return 0; +} diff --git a/src/utils/Makefile.am b/src/utils/Makefile.am new file mode 100644 index 0000000..5207b13 --- /dev/null +++ b/src/utils/Makefile.am @@ -0,0 +1,19 @@ +# FLAC - Free Lossless Audio Codec +# Copyright (C) 2001-2009 Josh Coalson +# Copyright (C) 2011-2023 Xiph.Org Foundation +# +# This file is part the FLAC project. FLAC is comprised of several +# components distributed under different licenses. The codec libraries +# are distributed under Xiph.Org's BSD-like license (see the file +# COPYING.Xiph in this distribution). All other programs, libraries, and +# plugins are distributed under the GPL (see COPYING.GPL). The documentation +# is distributed under the Gnu FDL (see COPYING.FDL). Each file in the +# FLAC distribution contains at the top the terms under which it may be +# distributed. +# +# Since this particular file is relevant to all components of FLAC, +# it may be distributed under the Xiph.Org license, which is the least +# restrictive of those mentioned above. See the file COPYING.Xiph in this +# distribution. + +SUBDIRS = flacdiff flactimer diff --git a/src/utils/Makefile.in b/src/utils/Makefile.in new file mode 100644 index 0000000..c433e15 --- /dev/null +++ b/src/utils/Makefile.in @@ -0,0 +1,676 @@ +# Makefile.in generated by automake 1.16.5 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2021 Free Software Foundation, Inc. + +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. + +@SET_MAKE@ + +# FLAC - Free Lossless Audio Codec +# Copyright (C) 2001-2009 Josh Coalson +# Copyright (C) 2011-2023 Xiph.Org Foundation +# +# This file is part the FLAC project. 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you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include <stdio.h> +#include <string.h> +#include "FLAC++/decoder.h" +#include "share/compat.h" + +#ifdef _MSC_VER +// warning C4800: 'int' : forcing to bool 'true' or 'false' (performance warning) +#pragma warning ( disable : 4800 ) +#endif + +class AutoFILE { +protected: + ::FILE *f_; +public: + inline AutoFILE(const char *path, const char *mode): f_(::fopen(path, mode)) { } + inline virtual ~AutoFILE() { if (f_) (void)::fclose(f_); } + + inline operator bool() const { return 0 != f_; } + inline operator const ::FILE *() const { return f_; } + inline operator ::FILE *() { return f_; } +private: + AutoFILE(); + AutoFILE(const AutoFILE &); + void operator=(const AutoFILE &); +}; + +class Decoder: public FLAC::Decoder::Stream { +public: + Decoder(AutoFILE &f, FLAC__off_t tgt): tgtpos_((FLAC__uint64)tgt), curpos_(0), go_(true), err_(false), frame_(), f_(f) { memset(&frame_, 0, sizeof(::FLAC__Frame)); } + FLAC__uint64 tgtpos_, curpos_; + bool go_, err_; + ::FLAC__Frame frame_; +protected: + AutoFILE &f_; + // from FLAC::Decoder::Stream + virtual ::FLAC__StreamDecoderReadStatus read_callback(FLAC__byte buffer[], size_t *bytes) + { + *bytes = fread(buffer, 1, *bytes, f_); + if(ferror((FILE*)f_)) + return ::FLAC__STREAM_DECODER_READ_STATUS_ABORT; + else if(*bytes == 0 && feof((FILE*)f_)) + return ::FLAC__STREAM_DECODER_READ_STATUS_END_OF_STREAM; + else + return ::FLAC__STREAM_DECODER_READ_STATUS_CONTINUE; + } + + virtual ::FLAC__StreamDecoderTellStatus tell_callback(FLAC__uint64 *absolute_byte_offset) + { + FLAC__off_t off = ftello(f_); + if(off < 0) + return ::FLAC__STREAM_DECODER_TELL_STATUS_ERROR; + *absolute_byte_offset = off; + return ::FLAC__STREAM_DECODER_TELL_STATUS_OK; + } + + virtual bool eof_callback() + { + return (bool)feof((FILE*)f_); + } + + virtual ::FLAC__StreamDecoderWriteStatus write_callback(const ::FLAC__Frame *frame, const FLAC__int32 * const /*buffer*/[]) + { + FLAC__uint64 pos; + if(!get_decode_position(&pos)) { + go_ = false; + err_ = true; + return ::FLAC__STREAM_DECODER_WRITE_STATUS_ABORT; + } + if(pos > tgtpos_) { + go_ = false; + frame_ = *frame; + } + else + curpos_ = pos; + return ::FLAC__STREAM_DECODER_WRITE_STATUS_CONTINUE; + } + + virtual void error_callback(::FLAC__StreamDecoderErrorStatus status) + { + fprintf(stderr, "got error %d:%s\n", status, ::FLAC__StreamDecoderErrorStatusString[status]); + go_ = false; + err_ = true; + } +}; + +static bool show_diff(AutoFILE &f1, AutoFILE &f2, FLAC__off_t off) +{ + Decoder d1(f1, off), d2(f2, off); + if(!d1) { + fprintf(stderr, "ERROR: setting up decoder1, state=%s\n", d1.get_state().resolved_as_cstring(d1)); + return false; + } + if(!d2) { + fprintf(stderr, "ERROR: setting up decoder2, state=%s\n", d2.get_state().resolved_as_cstring(d2)); + return false; + } + ::FLAC__StreamDecoderInitStatus is; + if((is = d1.init()) != FLAC__STREAM_DECODER_INIT_STATUS_OK) { + fprintf(stderr, "ERROR: initializing decoder1, status=%s state=%s\n", FLAC__StreamDecoderInitStatusString[is], d1.get_state().resolved_as_cstring(d1)); + return false; + } + if((is = d2.init()) != FLAC__STREAM_DECODER_INIT_STATUS_OK) { + fprintf(stderr, "ERROR: initializing decoder2, status=%s state=%s\n", FLAC__StreamDecoderInitStatusString[is], d2.get_state().resolved_as_cstring(d2)); + return false; + } + if(!d1.process_until_end_of_metadata()) { + fprintf(stderr, "ERROR: skipping metadata in decoder1, state=%s\n", d1.get_state().resolved_as_cstring(d1)); + return false; + } + if(!d2.process_until_end_of_metadata()) { + fprintf(stderr, "ERROR: skipping metadata in decoder2, state=%s\n", d2.get_state().resolved_as_cstring(d2)); + return false; + } + while(d1.go_ && d2.go_) { + if(!d1.process_single()) { + fprintf(stderr, "ERROR: decoding frame in decoder1, state=%s\n", d1.get_state().resolved_as_cstring(d1)); + return false; + } + if(!d2.process_single()) { + fprintf(stderr, "ERROR: decoding frame in decoder2, state=%s\n", d2.get_state().resolved_as_cstring(d2)); + return false; + } + } + if(d1.err_) { + fprintf(stderr, "ERROR: got err_ in decoder1, state=%s\n", d1.get_state().resolved_as_cstring(d1)); + return false; + } + if(d2.err_) { + fprintf(stderr, "ERROR: got err_ in decoder2, state=%s\n", d2.get_state().resolved_as_cstring(d2)); + return false; + } + if(d1.go_ != d2.go_) { + fprintf(stderr, "ERROR: d1.go_(%s) != d2.go_(%s)\n", d1.go_?"true":"false", d2.go_?"true":"false"); + return false; + } + fprintf(stdout, "pos1 = %" PRIu64 " blocksize=%u sample#%" PRIu64 " frame#%" PRIu64 "\n", d1.curpos_, d1.frame_.header.blocksize, d1.frame_.header.number.sample_number, d1.frame_.header.number.sample_number / d1.frame_.header.blocksize); + fprintf(stdout, "pos2 = %" PRIu64 " blocksize=%u sample#%" PRIu64 " frame#%" PRIu64 "\n", d2.curpos_, d2.frame_.header.blocksize, d2.frame_.header.number.sample_number, d2.frame_.header.number.sample_number / d2.frame_.header.blocksize); + + return true; +} + +static FLAC__off_t get_diff_offset(AutoFILE &f1, AutoFILE &f2) +{ + FLAC__off_t off = 0; + while(1) { + if(feof((FILE*)f1) && feof((FILE*)f2)) { + fprintf(stderr, "ERROR: files are identical\n"); + return -1; + } + if(feof((FILE*)f1)) { + fprintf(stderr, "ERROR: file1 EOF\n"); + return -1; + } + if(feof((FILE*)f2)) { + fprintf(stderr, "ERROR: file2 EOF\n"); + return -1; + } + if(fgetc(f1) != fgetc(f2)) + return off; + off++; + } +} + +static bool run(const char *fn1, const char *fn2) +{ + FLAC__off_t off; + AutoFILE f1(fn1, "rb"), f2(fn2, "rb"); + + if(!f1) { + flac_fprintf(stderr, "ERROR: opening %s for reading\n", fn1); + return false; + } + if(!f2) { + flac_fprintf(stderr, "ERROR: opening %s for reading\n", fn2); + return false; + } + + if((off = get_diff_offset(f1, f2)) < 0) + return false; + + fprintf(stdout, "got diff offset = %" PRId64 "\n", off); + + return show_diff(f1, f2, off); +} + +int main(int argc, char *argv[]) +{ + const char *usage = "usage: flacdiff flacfile1 flacfile2\n"; + +#ifdef _WIN32 + if (get_utf8_argv(&argc, &argv) != 0) { + fprintf(stderr, "ERROR: failed to convert command line parameters to UTF-8\n"); + return 1; + } +#endif + + if(argc > 1 && 0 == strcmp(argv[1], "-h")) { + printf("%s", usage); + return 0; + } + else if(argc != 3) { + fprintf(stderr, "%s", usage); + return 255; + } + + return run(argv[1], argv[2])? 0 : 1; +} diff --git a/src/utils/flactimer/CMakeLists.txt b/src/utils/flactimer/CMakeLists.txt new file mode 100644 index 0000000..47bf1e5 --- /dev/null +++ b/src/utils/flactimer/CMakeLists.txt @@ -0,0 +1,2 @@ +add_executable(flactimer main.cpp) +target_link_libraries(flactimer FLAC++) diff --git a/src/utils/flactimer/Makefile.am b/src/utils/flactimer/Makefile.am new file mode 100644 index 0000000..0737863 --- /dev/null +++ b/src/utils/flactimer/Makefile.am @@ -0,0 +1,21 @@ +# flactimer - Runs a command and prints timing information +# Copyright (C) 2007-2009 Josh Coalson +# Copyright (C) 2011-2023 Xiph.Org Foundation +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License +# as published by the Free Software Foundation; either version 2 +# of the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License along +# with this program; if not, write to the Free Software Foundation, Inc., +# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + +EXTRA_DIST = \ + CMakeLists.txt \ + main.cpp diff --git a/src/utils/flactimer/Makefile.in b/src/utils/flactimer/Makefile.in new file mode 100644 index 0000000..da3119d --- /dev/null +++ b/src/utils/flactimer/Makefile.in @@ -0,0 +1,501 @@ +# Makefile.in generated by automake 1.16.5 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2021 Free Software Foundation, Inc. + +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. + +@SET_MAKE@ + +# flactimer - Runs a command and prints timing information +# Copyright (C) 2007-2009 Josh Coalson +# Copyright (C) 2011-2023 Xiph.Org Foundation +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License +# as published by the Free Software Foundation; either version 2 +# of the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 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you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include <stdio.h> +#include <string.h> +#include <windows.h> +#include "share/compat.h" +#include "share/safe_str.h" + +static inline uint64_t time2nsec(const FILETIME &t) +{ + uint64_t n = t.dwHighDateTime; + n <<= 32; + n |= (uint64_t)t.dwLowDateTime; + return n * 100; +} + +static void printtime(FILE *fout, uint64_t nsec, uint64_t total) +{ + uint32_t pct = (uint32_t)(100.0 * ((double)nsec / (double)total)); + uint64_t msec = nsec / 1000000; nsec -= msec * 1000000; + uint64_t sec = msec / 1000; msec -= sec * 1000; + uint64_t min = sec / 60; sec -= min * 60; + uint64_t hour = min / 60; min -= hour * 60; + fprintf(fout, " %5u.%03u = %02u:%02u:%02u.%03u = %3u%%\n", + (uint32_t)((hour*60+min)*60+sec), + (uint32_t)msec, + (uint32_t)hour, + (uint32_t)min, + (uint32_t)sec, + (uint32_t)msec, + pct + ); +} + +int main(int argc, char *argv[]) +{ + const char *usage = "usage: flactimer [-1 | -2 | -o outputfile] command\n"; + FILE *fout = stderr; + + if(argc == 1 || (argc > 1 && 0 == strcmp(argv[1], "-h"))) { + fprintf(stderr, usage); + return 0; + } + argv++; + argc--; + if(0 == strcmp(argv[0], "-1") || 0 == strcmp(argv[0], "/1")) { + fout = stdout; + argv++; + argc--; + } + else if(0 == strcmp(argv[0], "-2") || 0 == strcmp(argv[0], "/2")) { + fout = stdout; + argv++; + argc--; + } + else if(0 == strcmp(argv[0], "-o")) { + if(argc < 2) { + fprintf(stderr, usage); + return 1; + } + fout = fopen(argv[1], "w"); + if(!fout) { + fprintf(stderr, "ERROR opening file %s for writing\n", argv[1]); + return 1; + } + argv += 2; + argc -= 2; + } + if(argc <= 0) { + fprintf(fout, "ERROR, no command!\n\n"); + fprintf(fout, usage); + fclose(fout); + return 1; + } + + // improvement: double-quote all args + int i, n = 0; + for(i = 0; i < argc; i++) { + if(i > 0) + n++; + n += strlen(argv[i]); + } + char *args = (char*)malloc(n+1); + if(!args) { + fprintf(fout, "ERROR, no memory\n"); + fclose(fout); + return 1; + } + args[0] = '\0'; + for(i = 0; i < argc; i++) { + if(i > 0) + safe_strncat(args, " ", sizeof(args)); + safe_strncat(args, argv[i], sizeof(args)); + } + + //fprintf(stderr, "@@@ cmd=[%s] args=[%s]\n", argv[0], args); + + STARTUPINFOA si; + GetStartupInfoA(&si); + + DWORD wallclock_msec = GetTickCount(); + + PROCESS_INFORMATION pi; + BOOL ok = CreateProcessA( + argv[0], // lpApplicationName + args, // lpCommandLine + NULL, // lpProcessAttributes + NULL, // lpThreadAttributes + FALSE, // bInheritHandles + 0, // dwCreationFlags + NULL, // lpEnvironment + NULL, // lpCurrentDirectory + &si, // lpStartupInfo (inherit from this proc?) + &pi // lpProcessInformation + ); + + if(!ok) { + fprintf(fout, "ERROR running command\n"); + free(args); //@@@ ok to free here or have to wait to wait till process is reaped? + fclose(fout); + return 1; + } + + //fprintf(stderr, "@@@ waiting...\n"); + WaitForSingleObject(pi.hProcess, INFINITE); + //fprintf(stderr, "@@@ done\n"); + + wallclock_msec = GetTickCount() - wallclock_msec; + + FILETIME creation_time; + FILETIME exit_time; + FILETIME kernel_time; + FILETIME user_time; + if(!GetProcessTimes(pi.hProcess, &creation_time, &exit_time, &kernel_time, &user_time)) { + fprintf(fout, "ERROR getting time info\n"); + free(args); //@@@ ok to free here or have to wait to wait till process is reaped? + fclose(fout); + return 1; + } + uint64_t kernel_nsec = time2nsec(kernel_time); + uint64_t user_nsec = time2nsec(user_time); + + fprintf(fout, "Kernel Time = "); printtime(fout, kernel_nsec, (uint64_t)wallclock_msec * 1000000); + fprintf(fout, "User Time = "); printtime(fout, user_nsec, (uint64_t)wallclock_msec * 1000000); + fprintf(fout, "Process Time = "); printtime(fout, kernel_nsec+user_nsec, (uint64_t)wallclock_msec * 1000000); + fprintf(fout, "Global Time = "); printtime(fout, (uint64_t)wallclock_msec * 1000000, (uint64_t)wallclock_msec * 1000000); + + CloseHandle(pi.hThread); + CloseHandle(pi.hProcess); + + free(args); //@@@ always causes crash, maybe CreateProcess takes ownership? + fclose(fout); + return 0; +} |