diff options
| author | 2012-01-22 18:38:22 +0000 | |
|---|---|---|
| committer | 2012-01-22 18:38:22 +0000 | |
| commit | 8703f92910d418a2d7fb053e587b7551d20168ec (patch) | |
| tree | 36f57be7940b7b0ba5e861d090b81adfd7829651 /src/lib/libflac/libflac++/stream_encoder.cpp | |
| parent | 91ac2846be8b8370b6b873ad3be6462415e9dc24 (diff) | |
Added FLAC (lossless audio) codec support plus experimental hooks in samples and chdman. Bumped up CHD-CD hunk size to get better compression ratios on both zlib and flac. [David Haywood, R. Belmont]
Diffstat (limited to 'src/lib/libflac/libflac++/stream_encoder.cpp')
| -rw-r--r-- | src/lib/libflac/libflac++/stream_encoder.cpp | 511 |
1 files changed, 511 insertions, 0 deletions
diff --git a/src/lib/libflac/libflac++/stream_encoder.cpp b/src/lib/libflac/libflac++/stream_encoder.cpp new file mode 100644 index 00000000000..cb483c2ba18 --- /dev/null +++ b/src/lib/libflac/libflac++/stream_encoder.cpp @@ -0,0 +1,511 @@ +/* libFLAC++ - Free Lossless Audio Codec library + * Copyright (C) 2002,2003,2004,2005,2006,2007 Josh Coalson + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * - Neither the name of the Xiph.org Foundation nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "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 (bool)::FLAC__stream_encoder_set_ogg_serial_number(encoder_, value); + } + + bool Stream::set_verify(bool value) + { + FLAC__ASSERT(is_valid()); + return (bool)::FLAC__stream_encoder_set_verify(encoder_, value); + } + + bool Stream::set_streamable_subset(bool value) + { + FLAC__ASSERT(is_valid()); + return (bool)::FLAC__stream_encoder_set_streamable_subset(encoder_, value); + } + + bool Stream::set_channels(unsigned value) + { + FLAC__ASSERT(is_valid()); + return (bool)::FLAC__stream_encoder_set_channels(encoder_, value); + } + + bool Stream::set_bits_per_sample(unsigned value) + { + FLAC__ASSERT(is_valid()); + return (bool)::FLAC__stream_encoder_set_bits_per_sample(encoder_, value); + } + + bool Stream::set_sample_rate(unsigned value) + { + FLAC__ASSERT(is_valid()); + return (bool)::FLAC__stream_encoder_set_sample_rate(encoder_, value); + } + + bool Stream::set_compression_level(unsigned value) + { + FLAC__ASSERT(is_valid()); + return (bool)::FLAC__stream_encoder_set_compression_level(encoder_, value); + } + + bool Stream::set_blocksize(unsigned value) + { + FLAC__ASSERT(is_valid()); + return (bool)::FLAC__stream_encoder_set_blocksize(encoder_, value); + } + + bool Stream::set_do_mid_side_stereo(bool value) + { + FLAC__ASSERT(is_valid()); + return (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 (bool)::FLAC__stream_encoder_set_loose_mid_side_stereo(encoder_, value); + } + + bool Stream::set_apodization(const char *specification) + { + FLAC__ASSERT(is_valid()); + return (bool)::FLAC__stream_encoder_set_apodization(encoder_, specification); + } + + bool Stream::set_max_lpc_order(unsigned value) + { + FLAC__ASSERT(is_valid()); + return (bool)::FLAC__stream_encoder_set_max_lpc_order(encoder_, value); + } + + bool Stream::set_qlp_coeff_precision(unsigned value) + { + FLAC__ASSERT(is_valid()); + return (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 (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 (bool)::FLAC__stream_encoder_set_do_escape_coding(encoder_, value); + } + + bool Stream::set_do_exhaustive_model_search(bool value) + { + FLAC__ASSERT(is_valid()); + return (bool)::FLAC__stream_encoder_set_do_exhaustive_model_search(encoder_, value); + } + + bool Stream::set_min_residual_partition_order(unsigned value) + { + FLAC__ASSERT(is_valid()); + return (bool)::FLAC__stream_encoder_set_min_residual_partition_order(encoder_, value); + } + + bool Stream::set_max_residual_partition_order(unsigned value) + { + FLAC__ASSERT(is_valid()); + return (bool)::FLAC__stream_encoder_set_max_residual_partition_order(encoder_, value); + } + + bool Stream::set_rice_parameter_search_dist(unsigned value) + { + FLAC__ASSERT(is_valid()); + return (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 (bool)::FLAC__stream_encoder_set_total_samples_estimate(encoder_, value); + } + + bool Stream::set_metadata(::FLAC__StreamMetadata **metadata, unsigned num_blocks) + { + FLAC__ASSERT(is_valid()); + return (bool)::FLAC__stream_encoder_set_metadata(encoder_, metadata, num_blocks); + } + + bool Stream::set_metadata(FLAC::Metadata::Prototype **metadata, unsigned num_blocks) + { + FLAC__ASSERT(is_valid()); +#if (defined _MSC_VER) || (defined __BORLANDC__) || (defined __SUNPRO_CC) + // MSVC++ can't handle: + // ::FLAC__StreamMetadata *m[num_blocks]; + // so we do this ugly workaround + ::FLAC__StreamMetadata **m = new ::FLAC__StreamMetadata*[num_blocks]; +#else + ::FLAC__StreamMetadata *m[num_blocks]; +#endif + for(unsigned 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*>((const ::FLAC__StreamMetadata*)metadata[i]); + } +#if (defined _MSC_VER) || (defined __BORLANDC__) || (defined __SUNPRO_CC) + // complete the hack + const bool ok = (bool)::FLAC__stream_encoder_set_metadata(encoder_, m, num_blocks); + delete [] m; + return ok; +#else + return (bool)::FLAC__stream_encoder_set_metadata(encoder_, m, num_blocks); +#endif + } + + 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, unsigned *frame_number, unsigned *channel, unsigned *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 (bool)::FLAC__stream_encoder_get_verify(encoder_); + } + + bool Stream::get_streamable_subset() const + { + FLAC__ASSERT(is_valid()); + return (bool)::FLAC__stream_encoder_get_streamable_subset(encoder_); + } + + bool Stream::get_do_mid_side_stereo() const + { + FLAC__ASSERT(is_valid()); + return (bool)::FLAC__stream_encoder_get_do_mid_side_stereo(encoder_); + } + + bool Stream::get_loose_mid_side_stereo() const + { + FLAC__ASSERT(is_valid()); + return (bool)::FLAC__stream_encoder_get_loose_mid_side_stereo(encoder_); + } + + unsigned Stream::get_channels() const + { + FLAC__ASSERT(is_valid()); + return ::FLAC__stream_encoder_get_channels(encoder_); + } + + unsigned Stream::get_bits_per_sample() const + { + FLAC__ASSERT(is_valid()); + return ::FLAC__stream_encoder_get_bits_per_sample(encoder_); + } + + unsigned Stream::get_sample_rate() const + { + FLAC__ASSERT(is_valid()); + return ::FLAC__stream_encoder_get_sample_rate(encoder_); + } + + unsigned Stream::get_blocksize() const + { + FLAC__ASSERT(is_valid()); + return ::FLAC__stream_encoder_get_blocksize(encoder_); + } + + unsigned Stream::get_max_lpc_order() const + { + FLAC__ASSERT(is_valid()); + return ::FLAC__stream_encoder_get_max_lpc_order(encoder_); + } + + unsigned 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 (bool)::FLAC__stream_encoder_get_do_qlp_coeff_prec_search(encoder_); + } + + bool Stream::get_do_escape_coding() const + { + FLAC__ASSERT(is_valid()); + return (bool)::FLAC__stream_encoder_get_do_escape_coding(encoder_); + } + + bool Stream::get_do_exhaustive_model_search() const + { + FLAC__ASSERT(is_valid()); + return (bool)::FLAC__stream_encoder_get_do_exhaustive_model_search(encoder_); + } + + unsigned Stream::get_min_residual_partition_order() const + { + FLAC__ASSERT(is_valid()); + return ::FLAC__stream_encoder_get_min_residual_partition_order(encoder_); + } + + unsigned Stream::get_max_residual_partition_order() const + { + FLAC__ASSERT(is_valid()); + return ::FLAC__stream_encoder_get_max_residual_partition_order(encoder_); + } + + unsigned 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_); + } + + ::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 (bool)::FLAC__stream_encoder_finish(encoder_); + } + + bool Stream::process(const FLAC__int32 * const buffer[], unsigned samples) + { + FLAC__ASSERT(is_valid()); + return (bool)::FLAC__stream_encoder_process(encoder_, buffer, samples); + } + + bool Stream::process_interleaved(const FLAC__int32 buffer[], unsigned samples) + { + FLAC__ASSERT(is_valid()); + return (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, unsigned samples, unsigned 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, unsigned samples, unsigned 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, unsigned frames_written, unsigned 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, unsigned frames_written, unsigned 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); + } + + } +} |
