diff options
Diffstat (limited to 'src/flac/main.c')
| -rw-r--r-- | src/flac/main.c | 2442 |
1 files changed, 2442 insertions, 0 deletions
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; +} |