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Music playback on OS X >= 10.9 works again. Fixes bug #1041.

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This commit is contained in:
Nikolay Kasyanov 2013-12-14 17:21:20 +04:00
parent 73c6aba4d0
commit fc21dd1f3a
1 changed files with 17 additions and 2 deletions
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19
apps/openmw/mwsound/openal_output.cpp
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@ -316,8 +316,23 @@ void OpenAL_SoundStream::play()
throwALerror();
mSamplesQueued = 0;
for(ALuint i = 0;i < sNumBuffers;i++)
alBufferData(mBuffers[i], mFormat, this, 0, mSampleRate);
int srate;
ChannelConfig chans;
SampleType sampleType;
mDecoder->getInfo(&srate, &chans, &sampleType);
// Use exactly one sample of silence.
// This is required for OpenAL implementations that don't accept empty buffer data.
// (like one in OS X 10.9)
ALuint sampleSize = framesToBytes(1, chans, sampleType);
std::vector<char> silenceSample(sampleSize);
if (sampleType == SampleType_UInt8)
std::fill(silenceSample.begin(), silenceSample.end(), 0x80);
for(ALuint i = 0;i < sNumBuffers;i++)
alBufferData(mBuffers[i], mFormat, &silenceSample[0], sampleSize, mSampleRate);
throwALerror();
alSourceQueueBuffers(mSource, sNumBuffers, mBuffers);