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Diffstat (limited to 'src/libFLAC++/stream_decoder.cpp')
| -rw-r--r-- | src/libFLAC++/stream_decoder.cpp | 394 |
1 files changed, 394 insertions, 0 deletions
diff --git a/src/libFLAC++/stream_decoder.cpp b/src/libFLAC++/stream_decoder.cpp new file mode 100644 index 0000000..6e351d9 --- /dev/null +++ b/src/libFLAC++/stream_decoder.cpp @@ -0,0 +1,394 @@ +/* libFLAC++ - Free Lossless Audio Codec library + * Copyright (C) 2002-2009 Josh Coalson + * Copyright (C) 2011-2023 Xiph.Org Foundation + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * - Neither the name of the Xiph.org Foundation nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "FLAC++/decoder.h" +#include "FLAC/assert.h" + +#ifdef _MSC_VER +// warning C4800: 'int' : forcing to bool 'true' or 'false' (performance warning) +#pragma warning ( disable : 4800 ) +#endif + +namespace FLAC { + namespace Decoder { + + // ------------------------------------------------------------ + // + // Stream + // + // ------------------------------------------------------------ + + Stream::Stream(): + decoder_(::FLAC__stream_decoder_new()) + { } + + Stream::~Stream() + { + if(0 != decoder_) { + (void)::FLAC__stream_decoder_finish(decoder_); + ::FLAC__stream_decoder_delete(decoder_); + } + } + + bool Stream::is_valid() const + { + return 0 != decoder_; + } + + bool Stream::set_ogg_serial_number(long value) + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__stream_decoder_set_ogg_serial_number(decoder_, value)); + } + + bool Stream::set_md5_checking(bool value) + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__stream_decoder_set_md5_checking(decoder_, value)); + } + + bool Stream::set_metadata_respond(::FLAC__MetadataType type) + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__stream_decoder_set_metadata_respond(decoder_, type)); + } + + bool Stream::set_metadata_respond_application(const FLAC__byte id[4]) + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__stream_decoder_set_metadata_respond_application(decoder_, id)); + } + + bool Stream::set_metadata_respond_all() + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__stream_decoder_set_metadata_respond_all(decoder_)); + } + + bool Stream::set_metadata_ignore(::FLAC__MetadataType type) + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__stream_decoder_set_metadata_ignore(decoder_, type)); + } + + bool Stream::set_metadata_ignore_application(const FLAC__byte id[4]) + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__stream_decoder_set_metadata_ignore_application(decoder_, id)); + } + + bool Stream::set_metadata_ignore_all() + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__stream_decoder_set_metadata_ignore_all(decoder_)); + } + + Stream::State Stream::get_state() const + { + FLAC__ASSERT(is_valid()); + return State(::FLAC__stream_decoder_get_state(decoder_)); + } + + bool Stream::get_md5_checking() const + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__stream_decoder_get_md5_checking(decoder_)); + } + + FLAC__uint64 Stream::get_total_samples() const + { + FLAC__ASSERT(is_valid()); + return ::FLAC__stream_decoder_get_total_samples(decoder_); + } + + uint32_t Stream::get_channels() const + { + FLAC__ASSERT(is_valid()); + return ::FLAC__stream_decoder_get_channels(decoder_); + } + + ::FLAC__ChannelAssignment Stream::get_channel_assignment() const + { + FLAC__ASSERT(is_valid()); + return ::FLAC__stream_decoder_get_channel_assignment(decoder_); + } + + uint32_t Stream::get_bits_per_sample() const + { + FLAC__ASSERT(is_valid()); + return ::FLAC__stream_decoder_get_bits_per_sample(decoder_); + } + + uint32_t Stream::get_sample_rate() const + { + FLAC__ASSERT(is_valid()); + return ::FLAC__stream_decoder_get_sample_rate(decoder_); + } + + uint32_t Stream::get_blocksize() const + { + FLAC__ASSERT(is_valid()); + return ::FLAC__stream_decoder_get_blocksize(decoder_); + } + + bool Stream::get_decode_position(FLAC__uint64 *position) const + { + FLAC__ASSERT(is_valid()); + return ::FLAC__stream_decoder_get_decode_position(decoder_, position); + } + + ::FLAC__StreamDecoderInitStatus Stream::init() + { + FLAC__ASSERT(is_valid()); + return ::FLAC__stream_decoder_init_stream(decoder_, read_callback_, seek_callback_, tell_callback_, length_callback_, eof_callback_, write_callback_, metadata_callback_, error_callback_, /*client_data=*/(void*)this); + } + + ::FLAC__StreamDecoderInitStatus Stream::init_ogg() + { + FLAC__ASSERT(is_valid()); + return ::FLAC__stream_decoder_init_ogg_stream(decoder_, read_callback_, seek_callback_, tell_callback_, length_callback_, eof_callback_, write_callback_, metadata_callback_, error_callback_, /*client_data=*/(void*)this); + } + + bool Stream::finish() + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__stream_decoder_finish(decoder_)); + } + + bool Stream::flush() + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__stream_decoder_flush(decoder_)); + } + + bool Stream::reset() + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__stream_decoder_reset(decoder_)); + } + + bool Stream::process_single() + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__stream_decoder_process_single(decoder_)); + } + + bool Stream::process_until_end_of_metadata() + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__stream_decoder_process_until_end_of_metadata(decoder_)); + } + + bool Stream::process_until_end_of_stream() + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__stream_decoder_process_until_end_of_stream(decoder_)); + } + + bool Stream::skip_single_frame() + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__stream_decoder_skip_single_frame(decoder_)); + } + + bool Stream::seek_absolute(FLAC__uint64 sample) + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__stream_decoder_seek_absolute(decoder_, sample)); + } + + ::FLAC__StreamDecoderSeekStatus Stream::seek_callback(FLAC__uint64 absolute_byte_offset) + { + (void)absolute_byte_offset; + return ::FLAC__STREAM_DECODER_SEEK_STATUS_UNSUPPORTED; + } + + ::FLAC__StreamDecoderTellStatus Stream::tell_callback(FLAC__uint64 *absolute_byte_offset) + { + (void)absolute_byte_offset; + return ::FLAC__STREAM_DECODER_TELL_STATUS_UNSUPPORTED; + } + + ::FLAC__StreamDecoderLengthStatus Stream::length_callback(FLAC__uint64 *stream_length) + { + (void)stream_length; + return ::FLAC__STREAM_DECODER_LENGTH_STATUS_UNSUPPORTED; + } + + bool Stream::eof_callback() + { + return false; + } + + void Stream::metadata_callback(const ::FLAC__StreamMetadata *metadata) + { + (void)metadata; + } + + ::FLAC__StreamDecoderReadStatus Stream::read_callback_(const ::FLAC__StreamDecoder *decoder, FLAC__byte buffer[], size_t *bytes, void *client_data) + { + (void)decoder; + FLAC__ASSERT(0 != client_data); + Stream *instance = reinterpret_cast<Stream *>(client_data); + FLAC__ASSERT(0 != instance); + return instance->read_callback(buffer, bytes); + } + + ::FLAC__StreamDecoderSeekStatus Stream::seek_callback_(const ::FLAC__StreamDecoder *decoder, FLAC__uint64 absolute_byte_offset, void *client_data) + { + (void) decoder; + FLAC__ASSERT(0 != client_data); + Stream *instance = reinterpret_cast<Stream *>(client_data); + FLAC__ASSERT(0 != instance); + return instance->seek_callback(absolute_byte_offset); + } + + ::FLAC__StreamDecoderTellStatus Stream::tell_callback_(const ::FLAC__StreamDecoder *decoder, FLAC__uint64 *absolute_byte_offset, void *client_data) + { + (void) decoder; + FLAC__ASSERT(0 != client_data); + Stream *instance = reinterpret_cast<Stream *>(client_data); + FLAC__ASSERT(0 != instance); + return instance->tell_callback(absolute_byte_offset); + } + + ::FLAC__StreamDecoderLengthStatus Stream::length_callback_(const ::FLAC__StreamDecoder *decoder, FLAC__uint64 *stream_length, void *client_data) + { + (void) decoder; + FLAC__ASSERT(0 != client_data); + Stream *instance = reinterpret_cast<Stream *>(client_data); + FLAC__ASSERT(0 != instance); + return instance->length_callback(stream_length); + } + + FLAC__bool Stream::eof_callback_(const ::FLAC__StreamDecoder *decoder, void *client_data) + { + (void) decoder; + FLAC__ASSERT(0 != client_data); + Stream *instance = reinterpret_cast<Stream *>(client_data); + FLAC__ASSERT(0 != instance); + return instance->eof_callback(); + } + + ::FLAC__StreamDecoderWriteStatus Stream::write_callback_(const ::FLAC__StreamDecoder *decoder, const ::FLAC__Frame *frame, const FLAC__int32 * const buffer[], void *client_data) + { + (void)decoder; + FLAC__ASSERT(0 != client_data); + Stream *instance = reinterpret_cast<Stream *>(client_data); + FLAC__ASSERT(0 != instance); + return instance->write_callback(frame, buffer); + } + + void Stream::metadata_callback_(const ::FLAC__StreamDecoder *decoder, const ::FLAC__StreamMetadata *metadata, void *client_data) + { + (void)decoder; + FLAC__ASSERT(0 != client_data); + Stream *instance = reinterpret_cast<Stream *>(client_data); + FLAC__ASSERT(0 != instance); + instance->metadata_callback(metadata); + } + + void Stream::error_callback_(const ::FLAC__StreamDecoder *decoder, ::FLAC__StreamDecoderErrorStatus status, void *client_data) + { + (void)decoder; + FLAC__ASSERT(0 != client_data); + Stream *instance = reinterpret_cast<Stream *>(client_data); + FLAC__ASSERT(0 != instance); + instance->error_callback(status); + } + + // ------------------------------------------------------------ + // + // File + // + // ------------------------------------------------------------ + + File::File(): + Stream() + { } + + File::~File() + { + } + + ::FLAC__StreamDecoderInitStatus File::init(FILE *file) + { + FLAC__ASSERT(0 != decoder_); + return ::FLAC__stream_decoder_init_FILE(decoder_, file, write_callback_, metadata_callback_, error_callback_, /*client_data=*/(void*)this); + } + + ::FLAC__StreamDecoderInitStatus File::init(const char *filename) + { + FLAC__ASSERT(0 != decoder_); + return ::FLAC__stream_decoder_init_file(decoder_, filename, write_callback_, metadata_callback_, error_callback_, /*client_data=*/(void*)this); + } + + ::FLAC__StreamDecoderInitStatus File::init(const std::string &filename) + { + return init(filename.c_str()); + } + + ::FLAC__StreamDecoderInitStatus File::init_ogg(FILE *file) + { + FLAC__ASSERT(0 != decoder_); + return ::FLAC__stream_decoder_init_ogg_FILE(decoder_, file, write_callback_, metadata_callback_, error_callback_, /*client_data=*/(void*)this); + } + + ::FLAC__StreamDecoderInitStatus File::init_ogg(const char *filename) + { + FLAC__ASSERT(0 != decoder_); + return ::FLAC__stream_decoder_init_ogg_file(decoder_, filename, write_callback_, metadata_callback_, error_callback_, /*client_data=*/(void*)this); + } + + ::FLAC__StreamDecoderInitStatus File::init_ogg(const std::string &filename) + { + return init_ogg(filename.c_str()); + } + + // This is a dummy to satisfy the pure virtual from Stream; the + // read callback will never be called since we are initializing + // with FLAC__stream_decoder_init_FILE() or + // FLAC__stream_decoder_init_file() and those supply the read + // callback internally. + ::FLAC__StreamDecoderReadStatus File::read_callback(FLAC__byte buffer[], size_t *bytes) + { + (void)buffer, (void)bytes; + FLAC__ASSERT(false); + return ::FLAC__STREAM_DECODER_READ_STATUS_ABORT; // double protection + } + + } // namespace Decoder +} // namespace FLAC |