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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#include "common/scummsys.h"
#include "zvision/video/zork_avi_decoder.h"
#include "zvision/sound/zork_raw.h"
#include "common/stream.h"
#include "audio/audiostream.h"
#include "audio/decoders/raw.h"
namespace ZVision {
Video::AVIDecoder::AVIAudioTrack *ZorkAVIDecoder::createAudioTrack(Video::AVIDecoder::AVIStreamHeader sHeader, Video::AVIDecoder::PCMWaveFormat wvInfo) {
ZorkAVIDecoder::ZorkAVIAudioTrack *audioTrack = new ZorkAVIDecoder::ZorkAVIAudioTrack(sHeader, wvInfo, _soundType);
return (Video::AVIDecoder::AVIAudioTrack *)audioTrack;
}
void ZorkAVIDecoder::ZorkAVIAudioTrack::queueSound(Common::SeekableReadStream *stream) {
bool updateCurChunk = true;
if (_audStream) {
if (_wvInfo.tag == kWaveFormatZorkPCM) {
assert(_wvInfo.size == 8);
RawChunkStream::RawChunk chunk = decoder->readNextChunk(stream);
delete stream;
if (chunk.data) {
byte flags = Audio::FLAG_16BITS | Audio::FLAG_STEREO;
#ifdef SCUMM_LITTLE_ENDIAN
// RawChunkStream produces native endianness int16
flags |= Audio::FLAG_LITTLE_ENDIAN;
#endif
_audStream->queueBuffer((byte *)chunk.data, chunk.size, DisposeAfterUse::YES, flags);
}
} else {
updateCurChunk = false;
AVIAudioTrack::queueSound(stream);
}
} else {
delete stream;
}
// The superclass always updates _curChunk, whether or not audio has
// been queued, so we should do that too. Unless the superclass already
// has done it for us.
if (updateCurChunk) {
_curChunk++;
}
}
void ZorkAVIDecoder::ZorkAVIAudioTrack::resetStream() {
decoder->init();
}
} // End of namespace ZVision
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