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Small fix.

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This commit is contained in:
Themaister 2011-08-09 22:07:11 +02:00
parent b17617bed5
commit 5d9805c3e5
1 changed files with 2 additions and 1 deletions
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3
audio/coreaudio.c
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@ -77,17 +77,18 @@ static OSStatus audio_cb(void *userdata, AudioUnitRenderActionFlags *action_flag
return noErr;
unsigned write_avail = io_data->mBuffers[0].mDataByteSize;
void *outbuf = io_data->mBuffers[0].mData;
pthread_mutex_lock(&dev->lock);
if (fifo_read_avail(dev->buffer) < write_avail)
{
*action_flags = kAudioUnitRenderAction_OutputIsSilence;
memset(outbuf, 0, write_avail); // Seems to be needed.
pthread_mutex_unlock(&dev->lock);
pthread_cond_signal(&dev->cond); // Technically possible to deadlock without.
return noErr;
}
void *outbuf = io_data->mBuffers[0].mData;
fifo_read(dev->buffer, outbuf, write_avail);
pthread_mutex_unlock(&dev->lock);
pthread_cond_signal(&dev->cond);