void configureAndStartAudioProcessingGraph(AUGraph graph)
{
int result = 0;
uint framesPerSlice = 0;
result = ioUnit.Initialize();
if (result != 0)
{
throw new Exception("Unable to Initialize the I/O unit. Error code: " + result);
}
var status = ioUnit.SetSampleRate(graphSampleRate, AudioUnitScopeType.Output);
if (status != AudioUnitStatus.NoError)
{
throw new Exception("AudioUnitSetProperty (set Sample output stream sample rate). Error code: " + (int)status);
}
framesPerSlice = ioUnit.GetMaximumFramesPerSlice(AudioUnitScopeType.Global);
samplerUnit.SetSampleRate(graphSampleRate, AudioUnitScopeType.Output);
samplerUnit.SetMaximumFramesPerSlice(framesPerSlice, AudioUnitScopeType.Global);
if (graph != null)
{
result = (int)graph.Initialize();
if (result != (int)AUGraphError.OK)
{
throw new Exception("Unable to initialize AUGraph object. Error code: " + result);
}
result = (int)graph.Start();
if (result != (int)AUGraphError.OK)
{
throw new Exception("Unable to start audio processing graph. Error code: " + result);
}
// TODO: CAShow
Console.WriteLine(graph);
}
}