public unsafe void ProcessWithEvents (AudioTimeStamp timestamp, int frameCount, AURenderEventEnumerator events)
{
var now = (nint)timestamp.SampleTime;
int framesRemaining = frameCount;
while (framesRemaining > 0) {
if (events.IsAtEnd) {
int bufferOffset = frameCount - framesRemaining;
Process (framesRemaining, bufferOffset);
return;
}
var framesThisSegment = (int)(events.Current.Head.EventSampleTime - now);
if (framesThisSegment > 0) {
int bufferOffset = frameCount - framesRemaining;
Process (framesThisSegment, bufferOffset);
framesRemaining -= framesThisSegment;
now += framesThisSegment;
}
foreach (AURenderEvent e in events.EnumeratorCurrentEvents (now))
HandleOneEvent (e);
events.MoveNext ();
}
}
public unsafe void ProcessWithEvents (AudioTimeStamp timestamp, int frameCount, AURenderEventEnumerator events)
{
var now = (nint)timestamp.SampleTime;
int framesRemaining = frameCount;
AURenderEvent* theEvent = events.UnsafeFirst;
while (framesRemaining > 0) {
if (theEvent == null) {
int bufferOffset = frameCount - framesRemaining;
Process (framesRemaining, bufferOffset);
return;
}
int framesThisSegment = (int)(theEvent->Head.EventSampleTime - now);
if (framesThisSegment > 0) {
int bufferOffset = frameCount - framesRemaining;
Process (framesThisSegment, bufferOffset);
framesRemaining -= framesThisSegment;
now += framesThisSegment;
}
PerformAllSimultaneousEvents (now, &theEvent);
}
}
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);
}
public unsafe void ProcessWithEvents(AudioTimeStamp timestamp, int frameCount, AURenderEventEnumerator events)
{
var now = (nint)timestamp.SampleTime;
int framesRemaining = frameCount;
while (framesRemaining > 0)
{
if (events.IsAtEnd)
{
int bufferOffset = frameCount - framesRemaining;
Process(framesRemaining, bufferOffset);
return;
}
var framesThisSegment = (int)(events.Current.Head.EventSampleTime - now);
if (framesThisSegment > 0)
{
int bufferOffset = frameCount - framesRemaining;
Process(framesThisSegment, bufferOffset);
framesRemaining -= framesThisSegment;
now += framesThisSegment;
}
foreach (AURenderEvent e in events.EnumeratorCurrentEvents(now))
{
HandleOneEvent(e);
}
events.MoveNext();
}
}
public unsafe void ProcessWithEvents(AudioTimeStamp timestamp, int frameCount, AURenderEventEnumerator events)
{
var now = (nint)timestamp.SampleTime;
int framesRemaining = frameCount;
AURenderEvent *theEvent = events.UnsafeFirst;
while (framesRemaining > 0)
{
if (theEvent == null)
{
int bufferOffset = frameCount - framesRemaining;
Process(framesRemaining, bufferOffset);
return;
}
int framesThisSegment = (int)(theEvent->Head.EventSampleTime - now);
if (framesThisSegment > 0)
{
int bufferOffset = frameCount - framesRemaining;
Process(framesThisSegment, bufferOffset);
framesRemaining -= framesThisSegment;
now += framesThisSegment;
}
PerformAllSimultaneousEvents(now, &theEvent);
}
}
