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https://github.com/ZDoom/qzdoom-gpl.git
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2e56925c36
installation, not the bundled copies which might not match what is installed. - Upgraded bundled FLAC from version 1.1.2 to version 1.2.1. SVN r575 (trunk)
379 lines
12 KiB
C++
379 lines
12 KiB
C++
/* libFLAC++ - Free Lossless Audio Codec library
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* Copyright (C) 2002,2003,2004,2005,2006,2007 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 "FLAC++/decoder.h"
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#include "FLAC/assert.h"
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#ifdef _MSC_VER
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// warning C4800: 'int' : forcing to bool 'true' or 'false' (performance warning)
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#pragma warning ( disable : 4800 )
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#endif
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namespace FLAC {
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namespace Decoder {
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// ------------------------------------------------------------
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//
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// Stream
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//
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// ------------------------------------------------------------
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Stream::Stream():
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decoder_(::FLAC__stream_decoder_new())
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{ }
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Stream::~Stream()
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{
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if(0 != decoder_) {
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(void)::FLAC__stream_decoder_finish(decoder_);
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::FLAC__stream_decoder_delete(decoder_);
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}
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}
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bool Stream::is_valid() const
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{
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return 0 != decoder_;
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}
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bool Stream::set_ogg_serial_number(long value)
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{
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FLAC__ASSERT(is_valid());
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return (bool)::FLAC__stream_decoder_set_ogg_serial_number(decoder_, value);
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}
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bool Stream::set_md5_checking(bool value)
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{
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FLAC__ASSERT(is_valid());
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return (bool)::FLAC__stream_decoder_set_md5_checking(decoder_, value);
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}
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bool Stream::set_metadata_respond(::FLAC__MetadataType type)
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{
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FLAC__ASSERT(is_valid());
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return (bool)::FLAC__stream_decoder_set_metadata_respond(decoder_, type);
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}
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bool Stream::set_metadata_respond_application(const FLAC__byte id[4])
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{
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FLAC__ASSERT(is_valid());
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return (bool)::FLAC__stream_decoder_set_metadata_respond_application(decoder_, id);
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}
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bool Stream::set_metadata_respond_all()
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{
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FLAC__ASSERT(is_valid());
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return (bool)::FLAC__stream_decoder_set_metadata_respond_all(decoder_);
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}
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bool Stream::set_metadata_ignore(::FLAC__MetadataType type)
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{
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FLAC__ASSERT(is_valid());
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return (bool)::FLAC__stream_decoder_set_metadata_ignore(decoder_, type);
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}
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bool Stream::set_metadata_ignore_application(const FLAC__byte id[4])
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{
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FLAC__ASSERT(is_valid());
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return (bool)::FLAC__stream_decoder_set_metadata_ignore_application(decoder_, id);
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}
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bool Stream::set_metadata_ignore_all()
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{
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FLAC__ASSERT(is_valid());
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return (bool)::FLAC__stream_decoder_set_metadata_ignore_all(decoder_);
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}
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Stream::State Stream::get_state() const
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{
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FLAC__ASSERT(is_valid());
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return State(::FLAC__stream_decoder_get_state(decoder_));
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}
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bool Stream::get_md5_checking() const
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{
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FLAC__ASSERT(is_valid());
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return (bool)::FLAC__stream_decoder_get_md5_checking(decoder_);
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}
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FLAC__uint64 Stream::get_total_samples() const
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{
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FLAC__ASSERT(is_valid());
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return ::FLAC__stream_decoder_get_total_samples(decoder_);
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}
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unsigned Stream::get_channels() const
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{
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FLAC__ASSERT(is_valid());
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return ::FLAC__stream_decoder_get_channels(decoder_);
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}
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::FLAC__ChannelAssignment Stream::get_channel_assignment() const
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{
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FLAC__ASSERT(is_valid());
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return ::FLAC__stream_decoder_get_channel_assignment(decoder_);
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}
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unsigned Stream::get_bits_per_sample() const
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{
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FLAC__ASSERT(is_valid());
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return ::FLAC__stream_decoder_get_bits_per_sample(decoder_);
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}
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unsigned Stream::get_sample_rate() const
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{
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FLAC__ASSERT(is_valid());
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return ::FLAC__stream_decoder_get_sample_rate(decoder_);
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}
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unsigned Stream::get_blocksize() const
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{
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FLAC__ASSERT(is_valid());
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return ::FLAC__stream_decoder_get_blocksize(decoder_);
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}
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bool Stream::get_decode_position(FLAC__uint64 *position) const
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{
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FLAC__ASSERT(is_valid());
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return ::FLAC__stream_decoder_get_decode_position(decoder_, position);
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}
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::FLAC__StreamDecoderInitStatus Stream::init()
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{
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FLAC__ASSERT(is_valid());
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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);
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}
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::FLAC__StreamDecoderInitStatus Stream::init_ogg()
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{
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FLAC__ASSERT(is_valid());
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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);
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}
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bool Stream::finish()
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{
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FLAC__ASSERT(is_valid());
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return (bool)::FLAC__stream_decoder_finish(decoder_);
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}
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bool Stream::flush()
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{
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FLAC__ASSERT(is_valid());
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return (bool)::FLAC__stream_decoder_flush(decoder_);
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}
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bool Stream::reset()
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{
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FLAC__ASSERT(is_valid());
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return (bool)::FLAC__stream_decoder_reset(decoder_);
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}
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bool Stream::process_single()
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{
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FLAC__ASSERT(is_valid());
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return (bool)::FLAC__stream_decoder_process_single(decoder_);
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}
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bool Stream::process_until_end_of_metadata()
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{
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FLAC__ASSERT(is_valid());
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return (bool)::FLAC__stream_decoder_process_until_end_of_metadata(decoder_);
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}
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bool Stream::process_until_end_of_stream()
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{
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FLAC__ASSERT(is_valid());
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return (bool)::FLAC__stream_decoder_process_until_end_of_stream(decoder_);
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}
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bool Stream::skip_single_frame()
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{
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FLAC__ASSERT(is_valid());
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return (bool)::FLAC__stream_decoder_skip_single_frame(decoder_);
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}
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bool Stream::seek_absolute(FLAC__uint64 sample)
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{
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FLAC__ASSERT(is_valid());
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return (bool)::FLAC__stream_decoder_seek_absolute(decoder_, sample);
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}
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::FLAC__StreamDecoderSeekStatus Stream::seek_callback(FLAC__uint64 absolute_byte_offset)
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{
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(void)absolute_byte_offset;
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return ::FLAC__STREAM_DECODER_SEEK_STATUS_UNSUPPORTED;
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}
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::FLAC__StreamDecoderTellStatus Stream::tell_callback(FLAC__uint64 *absolute_byte_offset)
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{
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(void)absolute_byte_offset;
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return ::FLAC__STREAM_DECODER_TELL_STATUS_UNSUPPORTED;
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}
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::FLAC__StreamDecoderLengthStatus Stream::length_callback(FLAC__uint64 *stream_length)
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{
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(void)stream_length;
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return ::FLAC__STREAM_DECODER_LENGTH_STATUS_UNSUPPORTED;
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}
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bool Stream::eof_callback()
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{
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return false;
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}
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void Stream::metadata_callback(const ::FLAC__StreamMetadata *metadata)
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{
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(void)metadata;
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}
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::FLAC__StreamDecoderReadStatus Stream::read_callback_(const ::FLAC__StreamDecoder *decoder, FLAC__byte buffer[], size_t *bytes, 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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Stream *instance = reinterpret_cast<Stream *>(client_data);
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FLAC__ASSERT(0 != instance);
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return instance->read_callback(buffer, bytes);
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}
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::FLAC__StreamDecoderSeekStatus Stream::seek_callback_(const ::FLAC__StreamDecoder *decoder, FLAC__uint64 absolute_byte_offset, 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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Stream *instance = reinterpret_cast<Stream *>(client_data);
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FLAC__ASSERT(0 != instance);
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return instance->seek_callback(absolute_byte_offset);
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}
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::FLAC__StreamDecoderTellStatus Stream::tell_callback_(const ::FLAC__StreamDecoder *decoder, FLAC__uint64 *absolute_byte_offset, 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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Stream *instance = reinterpret_cast<Stream *>(client_data);
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FLAC__ASSERT(0 != instance);
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return instance->tell_callback(absolute_byte_offset);
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}
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::FLAC__StreamDecoderLengthStatus Stream::length_callback_(const ::FLAC__StreamDecoder *decoder, FLAC__uint64 *stream_length, 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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Stream *instance = reinterpret_cast<Stream *>(client_data);
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FLAC__ASSERT(0 != instance);
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return instance->length_callback(stream_length);
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}
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FLAC__bool Stream::eof_callback_(const ::FLAC__StreamDecoder *decoder, 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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Stream *instance = reinterpret_cast<Stream *>(client_data);
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FLAC__ASSERT(0 != instance);
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return instance->eof_callback();
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}
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::FLAC__StreamDecoderWriteStatus Stream::write_callback_(const ::FLAC__StreamDecoder *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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Stream *instance = reinterpret_cast<Stream *>(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 Stream::metadata_callback_(const ::FLAC__StreamDecoder *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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Stream *instance = reinterpret_cast<Stream *>(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 Stream::error_callback_(const ::FLAC__StreamDecoder *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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Stream *instance = reinterpret_cast<Stream *>(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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// File
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//
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// ------------------------------------------------------------
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File::File():
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Stream()
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{ }
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File::~File()
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{
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}
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::FLAC__StreamDecoderInitStatus File::init(FILE *file)
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{
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FLAC__ASSERT(0 != decoder_);
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return ::FLAC__stream_decoder_init_FILE(decoder_, file, write_callback_, metadata_callback_, error_callback_, /*client_data=*/(void*)this);
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}
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::FLAC__StreamDecoderInitStatus File::init(const char *filename)
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{
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FLAC__ASSERT(0 != decoder_);
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return ::FLAC__stream_decoder_init_file(decoder_, filename, write_callback_, metadata_callback_, error_callback_, /*client_data=*/(void*)this);
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}
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::FLAC__StreamDecoderInitStatus File::init_ogg(FILE *file)
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{
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FLAC__ASSERT(0 != decoder_);
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return ::FLAC__stream_decoder_init_ogg_FILE(decoder_, file, write_callback_, metadata_callback_, error_callback_, /*client_data=*/(void*)this);
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}
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::FLAC__StreamDecoderInitStatus File::init_ogg(const char *filename)
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{
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FLAC__ASSERT(0 != decoder_);
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return ::FLAC__stream_decoder_init_ogg_file(decoder_, filename, write_callback_, metadata_callback_, error_callback_, /*client_data=*/(void*)this);
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}
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// This is a dummy to satisfy the pure virtual from Stream; the
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// read callback will never be called since we are initializing
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// with FLAC__stream_decoder_init_FILE() or
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// FLAC__stream_decoder_init_file() and those supply the read
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// callback internally.
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::FLAC__StreamDecoderReadStatus File::read_callback(FLAC__byte buffer[], size_t *bytes)
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{
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(void)buffer, (void)bytes;
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FLAC__ASSERT(false);
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return ::FLAC__STREAM_DECODER_READ_STATUS_ABORT; // double protection
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}
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}
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}
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