void auAudioOutputCallback(void *SELF, AudioQueueRef queue, AudioQueueBufferRef buffer)
{
Audio* self = (Audio*) SELF;
int resultFrames = self->audioCallback(SELF, (auSample_t*)buffer->mAudioData, (buffer->mAudioDataBytesCapacity / self->dataFormat.mBytesPerFrame), self->dataFormat.mChannelsPerFrame);
buffer->mAudioDataByteSize = resultFrames * self->dataFormat.mBytesPerFrame;//buffer->mAudioDataBytesCapacity;
AudioQueueEnqueueBuffer(queue, buffer, 0, NULL);
}
void* auAudioCallback(void* SELF)
{
Audio* self = (Audio*)SELF;
self->threadIsRunning = self->threadShouldContinueRunning = YES;
signal(SIGPIPE, SIG_IGN);
int success = YES;
while(self->threadShouldContinueRunning)
{
if(!self->isOutput)
success = auTransferData(self, snd_pcm_readi);
if(success)
self->audioCallback(SELF, self->sampleBuffer, self->bufferNumFrames, self->numChannels);
if(self->isOutput)
success = auTransferData(self, (snd_pcm_sframes_t (*)(snd_pcm_t*, void*, snd_pcm_uframes_t)) snd_pcm_writei);
if(!success) break;
}
self->threadIsRunning = NO;
return NULL;
}