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AUDIO: Fix QuickTime stereo audio seeking

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This commit is contained in:
Matthew Hoops 2011-05-13 02:22:11 -04:00
parent d2f5b91a9a
commit bc7ff27828
1 changed files with 4 additions and 2 deletions
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6
audio/decoders/quicktime.cpp
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@ -305,7 +305,7 @@ void QuickTimeAudioDecoder::setAudioStreamPos(const Timestamp &where) {
// First, we need to track down what audio sample we need
Audio::Timestamp curAudioTime = where.convertToFramerate(_streams[_audioStreamIndex]->time_scale);
uint32 sample = curAudioTime.totalNumberOfFrames() / entry->channels;
uint32 sample = curAudioTime.totalNumberOfFrames();
uint32 seekSample = sample;
if (!isOldDemuxing()) {
@ -316,6 +316,8 @@ void QuickTimeAudioDecoder::setAudioStreamPos(const Timestamp &where) {
return;
}
// Note that duration is in terms of *one* channel
// This eases calculation a bit
seekSample /= _streams[_audioStreamIndex]->stts_data[0].duration;
}
@ -336,7 +338,7 @@ void QuickTimeAudioDecoder::setAudioStreamPos(const Timestamp &where) {
if (sample != totalSamples) {
// HACK: Skip a certain amount of samples from the stream
// (There's got to be a better way to do this!)
int skipSamples = (sample - totalSamples) * ((AudioSampleDesc *)_streams[_audioStreamIndex]->sampleDescs[0])->channels;
int skipSamples = (sample - totalSamples) * entry->channels;
int16 *tempBuffer = new int16[skipSamples];
_audStream->readBuffer(tempBuffer, skipSamples);