public AudioUnitStatus PullInput (ref AudioUnitRenderActionFlags actionFlags, AudioTimeStamp timestamp, uint frameCount, int inputBusNumber, AURenderPullInputBlock pullInputBlock)
{
if (pullInputBlock == null)
return AudioUnitStatus.NoConnection;
PrepareInputBufferList ();
AudioUnitStatus s = pullInputBlock (ref actionFlags, ref timestamp, frameCount, inputBusNumber, MutableAudioBufferList);
return s;
}
public AudioUnitStatus PullInput(ref AudioUnitRenderActionFlags actionFlags, AudioTimeStamp timestamp, uint frameCount, int inputBusNumber, AURenderPullInputBlock pullInputBlock)
{
if (pullInputBlock == null)
{
return(AudioUnitStatus.NoConnection);
}
PrepareInputBufferList();
AudioUnitStatus s = pullInputBlock(ref actionFlags, ref timestamp, frameCount, inputBusNumber, MutableAudioBufferList);
return(s);
}
public AudioUnitStatus InternalRenderBlockProc(ref AudioUnitRenderActionFlags actionFlags, ref AudioTimeStamp timestamp, uint frameCount, nint outputBusNumber, AudioBuffers outputData, AURenderEventEnumerator realtimeEventListHead, AURenderPullInputBlock pullInputBlock)
{
var transportStateFlags = (AUHostTransportStateFlags)0;
double currentSamplePosition = 0;
double cycleStartBeatPosition = 0;
double cycleEndBeatPosition = 0;
var callBack = TransportStateBlock;
if (callBack != null)
{
callBack(ref transportStateFlags, ref currentSamplePosition, ref cycleStartBeatPosition, ref cycleEndBeatPosition);
}
var state = Kernel;
var input = inputBus;
var pullFlags = (AudioUnitRenderActionFlags)0;
AudioUnitStatus err = input.PullInput(ref pullFlags, timestamp, frameCount, 0, pullInputBlock);
if (err != AudioUnitStatus.NoError)
{
return(err);
}
AudioBuffers inAudioBufferList = input.MutableAudioBufferList;
if (outputData [0].Data == IntPtr.Zero)
{
for (int i = 0; i < outputData.Count; i++)
{
outputData.SetData(i, inAudioBufferList [i].Data);
}
}
state.SetBuffers(inAudioBufferList, outputData);
state.ProcessWithEvents(timestamp, (int)frameCount, realtimeEventListHead);
return(AudioUnitStatus.NoError);
}
public AudioUnitStatus ProcessSignals(ref AudioUnitRenderActionFlags actionFlags, ref AudioToolbox.AudioTimeStamp timestamp, uint frameCount, nint outputBusNumber, AudioToolbox.AudioBuffers outputData, AURenderEventEnumerator realtimeEventListHead, AURenderPullInputBlock pullInputBlock)
{
// Do event handling and signal processing here.
return(AudioUnitStatus.NoError);
}
