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add ogg seekable stream and file encoder and decoder interfaces
This commit is contained in:
Josh Coalson
237
src/libOggFLAC++/file_decoder.cpp
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237
src/libOggFLAC++/file_decoder.cpp
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/* libOggFLAC++ - Free Lossless Audio Codec + Ogg library
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* Copyright (C) 2002,2003 Josh Coalson
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* - Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* - Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* - Neither the name of the Xiph.org Foundation nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "OggFLAC++/decoder.h"
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#include "FLAC/assert.h"
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namespace OggFLAC {
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namespace Decoder {
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File::File():
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decoder_(::OggFLAC__file_decoder_new())
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{ }
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File::~File()
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{
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if(0 != decoder_) {
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(void) ::OggFLAC__file_decoder_finish(decoder_);
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::OggFLAC__file_decoder_delete(decoder_);
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}
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}
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bool File::is_valid() const
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{
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return 0 != decoder_;
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}
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bool File::set_serial_number(long value)
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{
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FLAC__ASSERT(is_valid());
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return (bool)::OggFLAC__file_decoder_set_serial_number(decoder_, value);
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}
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bool File::set_md5_checking(bool value)
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{
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FLAC__ASSERT(0 != decoder_);
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return (bool)::OggFLAC__file_decoder_set_md5_checking(decoder_, value);
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}
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bool File::set_filename(const char *value)
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{
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FLAC__ASSERT(0 != decoder_);
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return (bool)::OggFLAC__file_decoder_set_filename(decoder_, value);
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}
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bool File::set_metadata_respond(::FLAC__MetadataType type)
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{
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FLAC__ASSERT(0 != decoder_);
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return (bool)::OggFLAC__file_decoder_set_metadata_respond(decoder_, type);
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}
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bool File::set_metadata_respond_application(const FLAC__byte id[4])
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{
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FLAC__ASSERT(0 != decoder_);
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return (bool)::OggFLAC__file_decoder_set_metadata_respond_application(decoder_, id);
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}
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bool File::set_metadata_respond_all()
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{
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FLAC__ASSERT(0 != decoder_);
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return (bool)::OggFLAC__file_decoder_set_metadata_respond_all(decoder_);
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}
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bool File::set_metadata_ignore(::FLAC__MetadataType type)
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{
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FLAC__ASSERT(0 != decoder_);
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return (bool)::OggFLAC__file_decoder_set_metadata_ignore(decoder_, type);
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}
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bool File::set_metadata_ignore_application(const FLAC__byte id[4])
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{
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FLAC__ASSERT(0 != decoder_);
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return (bool)::OggFLAC__file_decoder_set_metadata_ignore_application(decoder_, id);
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}
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bool File::set_metadata_ignore_all()
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{
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FLAC__ASSERT(0 != decoder_);
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return (bool)::OggFLAC__file_decoder_set_metadata_ignore_all(decoder_);
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}
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File::State File::get_state() const
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{
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FLAC__ASSERT(0 != decoder_);
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return State(::OggFLAC__file_decoder_get_state(decoder_));
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}
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FLAC::Decoder::File::State File::get_FLAC_file_decoder_state() const
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{
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FLAC__ASSERT(is_valid());
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return FLAC::Decoder::File::State(::OggFLAC__file_decoder_get_FLAC_file_decoder_state(decoder_));
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}
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FLAC::Decoder::SeekableStream::State File::get_FLAC_seekable_stream_decoder_state() const
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{
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FLAC__ASSERT(is_valid());
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return FLAC::Decoder::SeekableStream::State(::OggFLAC__file_decoder_get_FLAC_seekable_stream_decoder_state(decoder_));
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}
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FLAC::Decoder::Stream::State File::get_FLAC_stream_decoder_state() const
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{
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FLAC__ASSERT(is_valid());
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return FLAC::Decoder::Stream::State(::OggFLAC__file_decoder_get_FLAC_stream_decoder_state(decoder_));
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}
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bool File::get_md5_checking() const
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{
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FLAC__ASSERT(0 != decoder_);
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return (bool)::OggFLAC__file_decoder_get_md5_checking(decoder_);
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}
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unsigned File::get_channels() const
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{
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FLAC__ASSERT(is_valid());
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return ::OggFLAC__file_decoder_get_channels(decoder_);
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}
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::FLAC__ChannelAssignment File::get_channel_assignment() const
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{
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FLAC__ASSERT(is_valid());
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return ::OggFLAC__file_decoder_get_channel_assignment(decoder_);
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}
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unsigned File::get_bits_per_sample() const
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{
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FLAC__ASSERT(is_valid());
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return ::OggFLAC__file_decoder_get_bits_per_sample(decoder_);
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}
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unsigned File::get_sample_rate() const
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{
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FLAC__ASSERT(is_valid());
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return ::OggFLAC__file_decoder_get_sample_rate(decoder_);
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}
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unsigned File::get_blocksize() const
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{
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FLAC__ASSERT(is_valid());
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return ::OggFLAC__file_decoder_get_blocksize(decoder_);
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}
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File::State File::init()
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{
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FLAC__ASSERT(0 != decoder_);
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::OggFLAC__file_decoder_set_write_callback(decoder_, write_callback_);
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::OggFLAC__file_decoder_set_metadata_callback(decoder_, metadata_callback_);
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::OggFLAC__file_decoder_set_error_callback(decoder_, error_callback_);
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::OggFLAC__file_decoder_set_client_data(decoder_, (void*)this);
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return State(::OggFLAC__file_decoder_init(decoder_));
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}
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bool File::finish()
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{
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FLAC__ASSERT(0 != decoder_);
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return (bool)::OggFLAC__file_decoder_finish(decoder_);
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}
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bool File::process_single()
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{
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FLAC__ASSERT(0 != decoder_);
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return (bool)::OggFLAC__file_decoder_process_single(decoder_);
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}
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bool File::process_until_end_of_metadata()
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{
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FLAC__ASSERT(0 != decoder_);
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return (bool)::OggFLAC__file_decoder_process_until_end_of_metadata(decoder_);
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}
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bool File::process_until_end_of_file()
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{
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FLAC__ASSERT(0 != decoder_);
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return (bool)::OggFLAC__file_decoder_process_until_end_of_file(decoder_);
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}
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bool File::seek_absolute(FLAC__uint64 sample)
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{
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FLAC__ASSERT(0 != decoder_);
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return (bool)::OggFLAC__file_decoder_seek_absolute(decoder_, sample);
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}
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::FLAC__StreamDecoderWriteStatus File::write_callback_(const ::OggFLAC__FileDecoder *decoder, const ::FLAC__Frame *frame, const FLAC__int32 * const buffer[], void *client_data)
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{
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(void) decoder;
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FLAC__ASSERT(0 != client_data);
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File *instance = reinterpret_cast<File *>(client_data);
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FLAC__ASSERT(0 != instance);
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return instance->write_callback(frame, buffer);
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}
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void File::metadata_callback_(const ::OggFLAC__FileDecoder *decoder, const ::FLAC__StreamMetadata *metadata, void *client_data)
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{
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(void) decoder;
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FLAC__ASSERT(0 != client_data);
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File *instance = reinterpret_cast<File *>(client_data);
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FLAC__ASSERT(0 != instance);
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instance->metadata_callback(metadata);
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}
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void File::error_callback_(const ::OggFLAC__FileDecoder *decoder, ::FLAC__StreamDecoderErrorStatus status, void *client_data)
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{
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(void) decoder;
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FLAC__ASSERT(0 != client_data);
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File *instance = reinterpret_cast<File *>(client_data);
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FLAC__ASSERT(0 != instance);
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instance->error_callback(status);
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}
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};
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};
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