C++ (Cpp) RealTimeStopNote Examples

Example #1

File: AUInstrumentBase.cpp Project: arnelh/Examples

ComponentResult		AUInstrumentBase::StopNote( MusicDeviceGroupID 			inGroupID, 
												NoteInstanceID 				inNoteInstanceID, 
												UInt32 						inOffsetSampleFrame)
{
#if DEBUG_PRINT
	printf("AUInstrumentBase::StopNote %d %d\n", inGroupID, inNoteInstanceID);
#endif
	ComponentResult err = noErr;

	if (InRenderThread ())
	{		
		err = RealTimeStopNote(
			GetElForGroupID(inGroupID),
			inNoteInstanceID,
			inOffsetSampleFrame);
	}
	else
	{
		SynthEvent *event = mEventQueue.WriteItem();
		if (!event) return -1; // queue full

		event->Set(
			SynthEvent::kEventType_NoteOff,
			inGroupID,
			inNoteInstanceID,
			inOffsetSampleFrame,
			NULL
		);
		
		mEventQueue.AdvanceWritePtr();
	}
	return err;
}

Example #2

File: AUInstrumentBase.cpp Project: Ace17/faust

OSStatus			AUInstrumentBase::StopNote( MusicDeviceGroupID 			inGroupID, 
												NoteInstanceID 				inNoteInstanceID, 
												UInt32 						inOffsetSampleFrame)
{
#if DEBUG_PRINT
	printf("AUInstrumentBase::StopNote ch %u, id %u, offset %u\n", (unsigned)inGroupID, (unsigned)inNoteInstanceID, inOffsetSampleFrame);
#endif
	OSStatus err = noErr;

	if (InRenderThread ())
	{		
		err = RealTimeStopNote(
			inGroupID,
			inNoteInstanceID,
			inOffsetSampleFrame);
	}
	else
	{
		SynthEvent *event = mEventQueue.WriteItem();
		if (!event) return -1; // queue full

		event->Set(
			SynthEvent::kEventType_NoteOff,
			inGroupID,
			inNoteInstanceID,
			inOffsetSampleFrame,
			NULL
		);
		
		mEventQueue.AdvanceWritePtr();
	}
	return err;
}

Example #3

File: AUInstrumentBase.cpp Project: arnelh/Examples

void		AUInstrumentBase::PerformEvents(const AudioTimeStamp& inTimeStamp)
{
#if DEBUG_PRINT_RENDER
	printf("AUInstrumentBase::PerformEvents\n");
#endif
	SynthEvent *event;
	SynthGroupElement *group;
	
	while ((event = mEventQueue.ReadItem()) != NULL)
	{
#if DEBUG_PRINT_RENDER
		printf("event %08X %d\n", event, event->GetEventType());
#endif
		switch(event->GetEventType())
		{
			case SynthEvent::kEventType_NoteOn :
				RealTimeStartNote(GetElForGroupID (event->GetGroupID()), event->GetNoteID(),
									event->GetOffsetSampleFrame(), *event->GetParams());
				break;
			case SynthEvent::kEventType_NoteOff :
				RealTimeStopNote(GetElForGroupID (event->GetGroupID()), event->GetNoteID(),
					event->GetOffsetSampleFrame());
				break;
			case SynthEvent::kEventType_SustainOn :
				group = GetElForGroupID (event->GetGroupID());
				group->SustainOn(event->GetOffsetSampleFrame());
				break;
			case SynthEvent::kEventType_SustainOff :
				group = GetElForGroupID (event->GetGroupID());
				group->SustainOff(event->GetOffsetSampleFrame());
				break;
			case SynthEvent::kEventType_SostenutoOn :
				group = GetElForGroupID (event->GetGroupID());
				group->SostenutoOn(event->GetOffsetSampleFrame());
				break;
			case SynthEvent::kEventType_SostenutoOff :
				group = GetElForGroupID (event->GetGroupID());
				group->SostenutoOff(event->GetOffsetSampleFrame());
				break;
			case SynthEvent::kEventType_AllNotesOff :
				group = GetElForGroupID (event->GetGroupID());
				group->AllNotesOff(event->GetOffsetSampleFrame());
				break;
			case SynthEvent::kEventType_AllSoundOff :
				group = GetElForGroupID (event->GetGroupID());
				group->AllSoundOff(event->GetOffsetSampleFrame());
				break;
			case SynthEvent::kEventType_ResetAllControllers :
				group = GetElForGroupID (event->GetGroupID());
				group->ResetAllControllers(event->GetOffsetSampleFrame());
				break;
		}
		
		mEventQueue.AdvanceReadPtr();
	}
}