diff options
Diffstat (limited to 'engines/zvision/video/zork_avi_decoder.cpp')
| -rw-r--r-- | engines/zvision/video/zork_avi_decoder.cpp | 46 |
1 files changed, 28 insertions, 18 deletions
diff --git a/engines/zvision/video/zork_avi_decoder.cpp b/engines/zvision/video/zork_avi_decoder.cpp index 5618250d79..1d23546551 100644 --- a/engines/zvision/video/zork_avi_decoder.cpp +++ b/engines/zvision/video/zork_avi_decoder.cpp @@ -34,33 +34,43 @@ 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; + if (wvInfo.tag != kWaveFormatZorkPCM) + return new AVIAudioTrack(sHeader, wvInfo, _soundType); + + assert(wvInfo.size == 8); + return new ZorkAVIAudioTrack(sHeader, wvInfo, _soundType); +} + +ZorkAVIDecoder::ZorkAVIAudioTrack::ZorkAVIAudioTrack(const AVIStreamHeader &streamHeader, const PCMWaveFormat &waveFormat, Audio::Mixer::SoundType soundType) : + Video::AVIDecoder::AVIAudioTrack(streamHeader, waveFormat, soundType), _queueStream(0), _decoder(waveFormat.channels == 2) { } -void ZorkAVIDecoder::ZorkAVIAudioTrack::queueSound(Common::SeekableReadStream *stream) { - if (_audStream) { - if (_wvInfo.tag == kWaveFormatZorkPCM) { - assert(_wvInfo.size == 8); - RawChunkStream::RawChunk chunk = decoder->readNextChunk(stream); - delete stream; +void ZorkAVIDecoder::ZorkAVIAudioTrack::createAudioStream() { + _queueStream = Audio::makeQueuingAudioStream(_wvInfo.samplesPerSec, _wvInfo.channels == 2); + _audioStream = _queueStream; +} + +void ZorkAVIDecoder::ZorkAVIAudioTrack::queueSound(Common::SeekableReadStream *stream) { + RawChunkStream::RawChunk chunk = _decoder.readNextChunk(stream); + delete stream; - if (chunk.data) { - byte flags = Audio::FLAG_16BITS | Audio::FLAG_STEREO; + if (chunk.data) { + byte flags = Audio::FLAG_16BITS; + if (_wvInfo.channels == 2) + flags |= Audio::FLAG_STEREO; #ifdef SCUMM_LITTLE_ENDIAN - // RawChunkStream produces native endianness int16 - flags |= Audio::FLAG_LITTLE_ENDIAN; + // RawChunkStream produces native endianness int16 + flags |= Audio::FLAG_LITTLE_ENDIAN; #endif - _audStream->queueBuffer((byte *)chunk.data, chunk.size, DisposeAfterUse::YES, flags); - } - } else { - AVIAudioTrack::queueSound(stream); - } + _queueStream->queueBuffer((byte *)chunk.data, chunk.size, DisposeAfterUse::YES, flags); } + + _curChunk++; } void ZorkAVIDecoder::ZorkAVIAudioTrack::resetStream() { - decoder->init(); + AVIAudioTrack::resetStream(); + _decoder.init(); } } // End of namespace ZVision |