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-rw-r--r--src/libFLAC++/stream_encoder.cpp519
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+/* libFLAC++ - Free Lossless Audio Codec library
+ * Copyright (C) 2002-2009 Josh Coalson
+ * Copyright (C) 2011-2023 Xiph.Org Foundation
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * - Neither the name of the Xiph.org Foundation nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "FLAC++/encoder.h"
+#include "FLAC++/metadata.h"
+#include "FLAC/assert.h"
+
+#ifdef _MSC_VER
+// warning C4800: 'int' : forcing to bool 'true' or 'false' (performance warning)
+#pragma warning ( disable : 4800 )
+#endif
+
+namespace FLAC {
+ namespace Encoder {
+
+ // ------------------------------------------------------------
+ //
+ // Stream
+ //
+ // ------------------------------------------------------------
+
+ Stream::Stream():
+ encoder_(::FLAC__stream_encoder_new())
+ { }
+
+ Stream::~Stream()
+ {
+ if(0 != encoder_) {
+ (void)::FLAC__stream_encoder_finish(encoder_);
+ ::FLAC__stream_encoder_delete(encoder_);
+ }
+ }
+
+ bool Stream::is_valid() const
+ {
+ return 0 != encoder_;
+ }
+
+ bool Stream::set_ogg_serial_number(long value)
+ {
+ FLAC__ASSERT(is_valid());
+ return static_cast<bool>(::FLAC__stream_encoder_set_ogg_serial_number(encoder_, value));
+ }
+
+ bool Stream::set_verify(bool value)
+ {
+ FLAC__ASSERT(is_valid());
+ return static_cast<bool>(::FLAC__stream_encoder_set_verify(encoder_, value));
+ }
+
+ bool Stream::set_streamable_subset(bool value)
+ {
+ FLAC__ASSERT(is_valid());
+ return static_cast<bool>(::FLAC__stream_encoder_set_streamable_subset(encoder_, value));
+ }
+
+ bool Stream::set_channels(uint32_t value)
+ {
+ FLAC__ASSERT(is_valid());
+ return static_cast<bool>(::FLAC__stream_encoder_set_channels(encoder_, value));
+ }
+
+ bool Stream::set_bits_per_sample(uint32_t value)
+ {
+ FLAC__ASSERT(is_valid());
+ return static_cast<bool>(::FLAC__stream_encoder_set_bits_per_sample(encoder_, value));
+ }
+
+ bool Stream::set_sample_rate(uint32_t value)
+ {
+ FLAC__ASSERT(is_valid());
+ return static_cast<bool>(::FLAC__stream_encoder_set_sample_rate(encoder_, value));
+ }
+
+ bool Stream::set_compression_level(uint32_t value)
+ {
+ FLAC__ASSERT(is_valid());
+ return static_cast<bool>(::FLAC__stream_encoder_set_compression_level(encoder_, value));
+ }
+
+ bool Stream::set_blocksize(uint32_t value)
+ {
+ FLAC__ASSERT(is_valid());
+ return static_cast<bool>(::FLAC__stream_encoder_set_blocksize(encoder_, value));
+ }
+
+ bool Stream::set_do_mid_side_stereo(bool value)
+ {
+ FLAC__ASSERT(is_valid());
+ return static_cast<bool>(::FLAC__stream_encoder_set_do_mid_side_stereo(encoder_, value));
+ }
+
+ bool Stream::set_loose_mid_side_stereo(bool value)
+ {
+ FLAC__ASSERT(is_valid());
+ return static_cast<bool>(::FLAC__stream_encoder_set_loose_mid_side_stereo(encoder_, value));
+ }
+
+ bool Stream::set_apodization(const char *specification)
+ {
+ FLAC__ASSERT(is_valid());
+ return static_cast<bool>(::FLAC__stream_encoder_set_apodization(encoder_, specification));
+ }
+
+ bool Stream::set_max_lpc_order(uint32_t value)
+ {
+ FLAC__ASSERT(is_valid());
+ return static_cast<bool>(::FLAC__stream_encoder_set_max_lpc_order(encoder_, value));
+ }
+
+ bool Stream::set_qlp_coeff_precision(uint32_t value)
+ {
+ FLAC__ASSERT(is_valid());
+ return static_cast<bool>(::FLAC__stream_encoder_set_qlp_coeff_precision(encoder_, value));
+ }
+
+ bool Stream::set_do_qlp_coeff_prec_search(bool value)
+ {
+ FLAC__ASSERT(is_valid());
+ return static_cast<bool>(::FLAC__stream_encoder_set_do_qlp_coeff_prec_search(encoder_, value));
+ }
+
+ bool Stream::set_do_escape_coding(bool value)
+ {
+ FLAC__ASSERT(is_valid());
+ return static_cast<bool>(::FLAC__stream_encoder_set_do_escape_coding(encoder_, value));
+ }
+
+ bool Stream::set_do_exhaustive_model_search(bool value)
+ {
+ FLAC__ASSERT(is_valid());
+ return static_cast<bool>(::FLAC__stream_encoder_set_do_exhaustive_model_search(encoder_, value));
+ }
+
+ bool Stream::set_min_residual_partition_order(uint32_t value)
+ {
+ FLAC__ASSERT(is_valid());
+ return static_cast<bool>(::FLAC__stream_encoder_set_min_residual_partition_order(encoder_, value));
+ }
+
+ bool Stream::set_max_residual_partition_order(uint32_t value)
+ {
+ FLAC__ASSERT(is_valid());
+ return static_cast<bool>(::FLAC__stream_encoder_set_max_residual_partition_order(encoder_, value));
+ }
+
+ bool Stream::set_rice_parameter_search_dist(uint32_t value)
+ {
+ FLAC__ASSERT(is_valid());
+ return static_cast<bool>(::FLAC__stream_encoder_set_rice_parameter_search_dist(encoder_, value));
+ }
+
+ bool Stream::set_total_samples_estimate(FLAC__uint64 value)
+ {
+ FLAC__ASSERT(is_valid());
+ return static_cast<bool>(::FLAC__stream_encoder_set_total_samples_estimate(encoder_, value));
+ }
+
+ bool Stream::set_metadata(::FLAC__StreamMetadata **metadata, uint32_t num_blocks)
+ {
+ FLAC__ASSERT(is_valid());
+ return static_cast<bool>(::FLAC__stream_encoder_set_metadata(encoder_, metadata, num_blocks));
+ }
+
+ bool Stream::set_metadata(FLAC::Metadata::Prototype **metadata, uint32_t num_blocks)
+ {
+ FLAC__ASSERT(is_valid());
+ // because C++ doesn't have VLA's (variable length arrays)
+ // this ugly workaround is needed
+ ::FLAC__StreamMetadata **m = new ::FLAC__StreamMetadata*[num_blocks];
+ for(uint32_t i = 0; i < num_blocks; i++) {
+ // we can get away with the const_cast since we know the encoder will only correct the is_last flags
+ m[i] = const_cast< ::FLAC__StreamMetadata*>(static_cast<const ::FLAC__StreamMetadata*>(*metadata[i]));
+ }
+ // complete the hack
+ const bool ok = static_cast<bool>(::FLAC__stream_encoder_set_metadata(encoder_, m, num_blocks));
+ delete [] m;
+ return ok;
+ }
+
+ bool Stream::set_limit_min_bitrate(bool value)
+ {
+ FLAC__ASSERT(is_valid());
+ return static_cast<bool>(::FLAC__stream_encoder_set_limit_min_bitrate(encoder_, value));
+ }
+
+ Stream::State Stream::get_state() const
+ {
+ FLAC__ASSERT(is_valid());
+ return State(::FLAC__stream_encoder_get_state(encoder_));
+ }
+
+ Decoder::Stream::State Stream::get_verify_decoder_state() const
+ {
+ FLAC__ASSERT(is_valid());
+ return Decoder::Stream::State(::FLAC__stream_encoder_get_verify_decoder_state(encoder_));
+ }
+
+ void Stream::get_verify_decoder_error_stats(FLAC__uint64 *absolute_sample, uint32_t *frame_number, uint32_t *channel, uint32_t *sample, FLAC__int32 *expected, FLAC__int32 *got)
+ {
+ FLAC__ASSERT(is_valid());
+ ::FLAC__stream_encoder_get_verify_decoder_error_stats(encoder_, absolute_sample, frame_number, channel, sample, expected, got);
+ }
+
+ bool Stream::get_verify() const
+ {
+ FLAC__ASSERT(is_valid());
+ return static_cast<bool>(::FLAC__stream_encoder_get_verify(encoder_));
+ }
+
+ bool Stream::get_streamable_subset() const
+ {
+ FLAC__ASSERT(is_valid());
+ return static_cast<bool>(::FLAC__stream_encoder_get_streamable_subset(encoder_));
+ }
+
+ bool Stream::get_do_mid_side_stereo() const
+ {
+ FLAC__ASSERT(is_valid());
+ return static_cast<bool>(::FLAC__stream_encoder_get_do_mid_side_stereo(encoder_));
+ }
+
+ bool Stream::get_loose_mid_side_stereo() const
+ {
+ FLAC__ASSERT(is_valid());
+ return static_cast<bool>(::FLAC__stream_encoder_get_loose_mid_side_stereo(encoder_));
+ }
+
+ uint32_t Stream::get_channels() const
+ {
+ FLAC__ASSERT(is_valid());
+ return ::FLAC__stream_encoder_get_channels(encoder_);
+ }
+
+ uint32_t Stream::get_bits_per_sample() const
+ {
+ FLAC__ASSERT(is_valid());
+ return ::FLAC__stream_encoder_get_bits_per_sample(encoder_);
+ }
+
+ uint32_t Stream::get_sample_rate() const
+ {
+ FLAC__ASSERT(is_valid());
+ return ::FLAC__stream_encoder_get_sample_rate(encoder_);
+ }
+
+ uint32_t Stream::get_blocksize() const
+ {
+ FLAC__ASSERT(is_valid());
+ return ::FLAC__stream_encoder_get_blocksize(encoder_);
+ }
+
+ uint32_t Stream::get_max_lpc_order() const
+ {
+ FLAC__ASSERT(is_valid());
+ return ::FLAC__stream_encoder_get_max_lpc_order(encoder_);
+ }
+
+ uint32_t Stream::get_qlp_coeff_precision() const
+ {
+ FLAC__ASSERT(is_valid());
+ return ::FLAC__stream_encoder_get_qlp_coeff_precision(encoder_);
+ }
+
+ bool Stream::get_do_qlp_coeff_prec_search() const
+ {
+ FLAC__ASSERT(is_valid());
+ return static_cast<bool>(::FLAC__stream_encoder_get_do_qlp_coeff_prec_search(encoder_));
+ }
+
+ bool Stream::get_do_escape_coding() const
+ {
+ FLAC__ASSERT(is_valid());
+ return static_cast<bool>(::FLAC__stream_encoder_get_do_escape_coding(encoder_));
+ }
+
+ bool Stream::get_do_exhaustive_model_search() const
+ {
+ FLAC__ASSERT(is_valid());
+ return static_cast<bool>(::FLAC__stream_encoder_get_do_exhaustive_model_search(encoder_));
+ }
+
+ uint32_t Stream::get_min_residual_partition_order() const
+ {
+ FLAC__ASSERT(is_valid());
+ return ::FLAC__stream_encoder_get_min_residual_partition_order(encoder_);
+ }
+
+ uint32_t Stream::get_max_residual_partition_order() const
+ {
+ FLAC__ASSERT(is_valid());
+ return ::FLAC__stream_encoder_get_max_residual_partition_order(encoder_);
+ }
+
+ uint32_t Stream::get_rice_parameter_search_dist() const
+ {
+ FLAC__ASSERT(is_valid());
+ return ::FLAC__stream_encoder_get_rice_parameter_search_dist(encoder_);
+ }
+
+ FLAC__uint64 Stream::get_total_samples_estimate() const
+ {
+ FLAC__ASSERT(is_valid());
+ return ::FLAC__stream_encoder_get_total_samples_estimate(encoder_);
+ }
+
+ bool Stream::get_limit_min_bitrate() const
+ {
+ FLAC__ASSERT(is_valid());
+ return static_cast<bool>(::FLAC__stream_encoder_get_limit_min_bitrate(encoder_));
+ }
+
+ ::FLAC__StreamEncoderInitStatus Stream::init()
+ {
+ FLAC__ASSERT(is_valid());
+ return ::FLAC__stream_encoder_init_stream(encoder_, write_callback_, seek_callback_, tell_callback_, metadata_callback_, /*client_data=*/(void*)this);
+ }
+
+ ::FLAC__StreamEncoderInitStatus Stream::init_ogg()
+ {
+ FLAC__ASSERT(is_valid());
+ return ::FLAC__stream_encoder_init_ogg_stream(encoder_, read_callback_, write_callback_, seek_callback_, tell_callback_, metadata_callback_, /*client_data=*/(void*)this);
+ }
+
+ bool Stream::finish()
+ {
+ FLAC__ASSERT(is_valid());
+ return static_cast<bool>(::FLAC__stream_encoder_finish(encoder_));
+ }
+
+ bool Stream::process(const FLAC__int32 * const buffer[], uint32_t samples)
+ {
+ FLAC__ASSERT(is_valid());
+ return static_cast<bool>(::FLAC__stream_encoder_process(encoder_, buffer, samples));
+ }
+
+ bool Stream::process_interleaved(const FLAC__int32 buffer[], uint32_t samples)
+ {
+ FLAC__ASSERT(is_valid());
+ return static_cast<bool>(::FLAC__stream_encoder_process_interleaved(encoder_, buffer, samples));
+ }
+
+ ::FLAC__StreamEncoderReadStatus Stream::read_callback(FLAC__byte buffer[], size_t *bytes)
+ {
+ (void)buffer, (void)bytes;
+ return ::FLAC__STREAM_ENCODER_READ_STATUS_UNSUPPORTED;
+ }
+
+ ::FLAC__StreamEncoderSeekStatus Stream::seek_callback(FLAC__uint64 absolute_byte_offset)
+ {
+ (void)absolute_byte_offset;
+ return ::FLAC__STREAM_ENCODER_SEEK_STATUS_UNSUPPORTED;
+ }
+
+ ::FLAC__StreamEncoderTellStatus Stream::tell_callback(FLAC__uint64 *absolute_byte_offset)
+ {
+ (void)absolute_byte_offset;
+ return ::FLAC__STREAM_ENCODER_TELL_STATUS_UNSUPPORTED;
+ }
+
+ void Stream::metadata_callback(const ::FLAC__StreamMetadata *metadata)
+ {
+ (void)metadata;
+ }
+
+ ::FLAC__StreamEncoderReadStatus Stream::read_callback_(const ::FLAC__StreamEncoder *encoder, FLAC__byte buffer[], size_t *bytes, void *client_data)
+ {
+ (void)encoder;
+ FLAC__ASSERT(0 != client_data);
+ Stream *instance = reinterpret_cast<Stream *>(client_data);
+ FLAC__ASSERT(0 != instance);
+ return instance->read_callback(buffer, bytes);
+ }
+
+ ::FLAC__StreamEncoderWriteStatus Stream::write_callback_(const ::FLAC__StreamEncoder *encoder, const FLAC__byte buffer[], size_t bytes, uint32_t samples, uint32_t current_frame, void *client_data)
+ {
+ (void)encoder;
+ FLAC__ASSERT(0 != client_data);
+ Stream *instance = reinterpret_cast<Stream *>(client_data);
+ FLAC__ASSERT(0 != instance);
+ return instance->write_callback(buffer, bytes, samples, current_frame);
+ }
+
+ ::FLAC__StreamEncoderSeekStatus Stream::seek_callback_(const ::FLAC__StreamEncoder *encoder, FLAC__uint64 absolute_byte_offset, void *client_data)
+ {
+ (void)encoder;
+ FLAC__ASSERT(0 != client_data);
+ Stream *instance = reinterpret_cast<Stream *>(client_data);
+ FLAC__ASSERT(0 != instance);
+ return instance->seek_callback(absolute_byte_offset);
+ }
+
+ ::FLAC__StreamEncoderTellStatus Stream::tell_callback_(const ::FLAC__StreamEncoder *encoder, FLAC__uint64 *absolute_byte_offset, void *client_data)
+ {
+ (void)encoder;
+ FLAC__ASSERT(0 != client_data);
+ Stream *instance = reinterpret_cast<Stream *>(client_data);
+ FLAC__ASSERT(0 != instance);
+ return instance->tell_callback(absolute_byte_offset);
+ }
+
+ void Stream::metadata_callback_(const ::FLAC__StreamEncoder *encoder, const ::FLAC__StreamMetadata *metadata, void *client_data)
+ {
+ (void)encoder;
+ FLAC__ASSERT(0 != client_data);
+ Stream *instance = reinterpret_cast<Stream *>(client_data);
+ FLAC__ASSERT(0 != instance);
+ instance->metadata_callback(metadata);
+ }
+
+ // ------------------------------------------------------------
+ //
+ // File
+ //
+ // ------------------------------------------------------------
+
+ File::File():
+ Stream()
+ { }
+
+ File::~File()
+ {
+ }
+
+ ::FLAC__StreamEncoderInitStatus File::init(FILE *file)
+ {
+ FLAC__ASSERT(is_valid());
+ return ::FLAC__stream_encoder_init_FILE(encoder_, file, progress_callback_, /*client_data=*/(void*)this);
+ }
+
+ ::FLAC__StreamEncoderInitStatus File::init(const char *filename)
+ {
+ FLAC__ASSERT(is_valid());
+ return ::FLAC__stream_encoder_init_file(encoder_, filename, progress_callback_, /*client_data=*/(void*)this);
+ }
+
+ ::FLAC__StreamEncoderInitStatus File::init(const std::string &filename)
+ {
+ return init(filename.c_str());
+ }
+
+ ::FLAC__StreamEncoderInitStatus File::init_ogg(FILE *file)
+ {
+ FLAC__ASSERT(is_valid());
+ return ::FLAC__stream_encoder_init_ogg_FILE(encoder_, file, progress_callback_, /*client_data=*/(void*)this);
+ }
+
+ ::FLAC__StreamEncoderInitStatus File::init_ogg(const char *filename)
+ {
+ FLAC__ASSERT(is_valid());
+ return ::FLAC__stream_encoder_init_ogg_file(encoder_, filename, progress_callback_, /*client_data=*/(void*)this);
+ }
+
+ ::FLAC__StreamEncoderInitStatus File::init_ogg(const std::string &filename)
+ {
+ return init_ogg(filename.c_str());
+ }
+
+ // This is a dummy to satisfy the pure virtual from Stream; the
+ // read callback will never be called since we are initializing
+ // with FLAC__stream_decoder_init_FILE() or
+ // FLAC__stream_decoder_init_file() and those supply the read
+ // callback internally.
+ ::FLAC__StreamEncoderWriteStatus File::write_callback(const FLAC__byte buffer[], size_t bytes, uint32_t samples, uint32_t current_frame)
+ {
+ (void)buffer, (void)bytes, (void)samples, (void)current_frame;
+ FLAC__ASSERT(false);
+ return ::FLAC__STREAM_ENCODER_WRITE_STATUS_FATAL_ERROR; // double protection
+ }
+
+ void File::progress_callback(FLAC__uint64 bytes_written, FLAC__uint64 samples_written, uint32_t frames_written, uint32_t total_frames_estimate)
+ {
+ (void)bytes_written, (void)samples_written, (void)frames_written, (void)total_frames_estimate;
+ }
+
+ void File::progress_callback_(const ::FLAC__StreamEncoder *encoder, FLAC__uint64 bytes_written, FLAC__uint64 samples_written, uint32_t frames_written, uint32_t total_frames_estimate, void *client_data)
+ {
+ (void)encoder;
+ FLAC__ASSERT(0 != client_data);
+ File *instance = reinterpret_cast<File *>(client_data);
+ FLAC__ASSERT(0 != instance);
+ instance->progress_callback(bytes_written, samples_written, frames_written, total_frames_estimate);
+ }
+
+ } // namespace Encoder
+} // namespace FLAC