Function updateActiveStreams

modules/pins/i2s/audioout.c:1128–1144

note: updateActiveStreams relies on caller to lock mutex

// note: updateActiveStreams relies on caller to lock mutex
void updateActiveStreams(modAudioOut out)
{
	int i;

	out->activeStreamCount = 0;
	out->applyVolume = false;
	for (i = 0; i < out->streamCount; i++) {
		modAudioOutStream stream = &out->stream[i];

		if (0 == stream->elementCount)
			continue;

		out->activeStream[out->activeStreamCount++] = stream;
		if (stream->volume != 256)
			out->applyVolume = true;
	}
}

#if defined(__APPLE__)
void audioQueueCallback(void *inUserData, AudioQueueRef inAQ, AudioQueueBufferRef buffer)