qzdoom/FLAC/stream_decoder_pp.cpp

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/* libFLAC++ - Free Lossless Audio Codec library
* Copyright (C) 2002,2003,2004,2005 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++/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():
decoder_(::FLAC__stream_decoder_new())
{ }
Stream::~Stream()
{
if(0 != decoder_) {
::FLAC__stream_decoder_finish(decoder_);
::FLAC__stream_decoder_delete(decoder_);
}
}
bool Stream::is_valid() const
{
return 0 != decoder_;
}
bool Stream::set_metadata_respond(::FLAC__MetadataType type)
{
FLAC__ASSERT(is_valid());
return (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 (bool)::FLAC__stream_decoder_set_metadata_respond_application(decoder_, id);
}
bool Stream::set_metadata_respond_all()
{
FLAC__ASSERT(is_valid());
return (bool)::FLAC__stream_decoder_set_metadata_respond_all(decoder_);
}
bool Stream::set_metadata_ignore(::FLAC__MetadataType type)
{
FLAC__ASSERT(is_valid());
return (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 (bool)::FLAC__stream_decoder_set_metadata_ignore_application(decoder_, id);
}
bool Stream::set_metadata_ignore_all()
{
FLAC__ASSERT(is_valid());
return (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_));
}
unsigned 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_);
}
unsigned Stream::get_bits_per_sample() const
{
FLAC__ASSERT(is_valid());
return ::FLAC__stream_decoder_get_bits_per_sample(decoder_);
}
unsigned Stream::get_sample_rate() const
{
FLAC__ASSERT(is_valid());
return ::FLAC__stream_decoder_get_sample_rate(decoder_);
}
unsigned Stream::get_blocksize() const
{
FLAC__ASSERT(is_valid());
return ::FLAC__stream_decoder_get_blocksize(decoder_);
}
Stream::State Stream::init()
{
FLAC__ASSERT(is_valid());
::FLAC__stream_decoder_set_read_callback(decoder_, read_callback_);
::FLAC__stream_decoder_set_write_callback(decoder_, write_callback_);
::FLAC__stream_decoder_set_metadata_callback(decoder_, metadata_callback_);
::FLAC__stream_decoder_set_error_callback(decoder_, error_callback_);
::FLAC__stream_decoder_set_client_data(decoder_, (void*)this);
return State(::FLAC__stream_decoder_init(decoder_));
}
void Stream::finish()
{
FLAC__ASSERT(is_valid());
::FLAC__stream_decoder_finish(decoder_);
}
bool Stream::flush()
{
FLAC__ASSERT(is_valid());
return (bool)::FLAC__stream_decoder_flush(decoder_);
}
bool Stream::reset()
{
FLAC__ASSERT(is_valid());
return (bool)::FLAC__stream_decoder_reset(decoder_);
}
bool Stream::process_single()
{
FLAC__ASSERT(is_valid());
return (bool)::FLAC__stream_decoder_process_single(decoder_);
}
bool Stream::process_until_end_of_metadata()
{
FLAC__ASSERT(is_valid());
return (bool)::FLAC__stream_decoder_process_until_end_of_metadata(decoder_);
}
bool Stream::process_until_end_of_stream()
{
FLAC__ASSERT(is_valid());
return (bool)::FLAC__stream_decoder_process_until_end_of_stream(decoder_);
}
bool Stream::skip_single_frame()
{
FLAC__ASSERT(is_valid());
return (bool)::FLAC__stream_decoder_skip_single_frame(decoder_);
}
::FLAC__StreamDecoderReadStatus Stream::read_callback_(const ::FLAC__StreamDecoder *decoder, FLAC__byte buffer[], unsigned *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__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);
}
}
}