Esempio n. 1
0
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();
	}
}
Esempio n. 2
0
OSStatus			AUInstrumentBase::StartNote(	MusicDeviceInstrumentID 	inInstrument, 
													MusicDeviceGroupID 			inGroupID, 
													NoteInstanceID *			outNoteInstanceID, 
													UInt32 						inOffsetSampleFrame, 
													const MusicDeviceNoteParams &inParams)
{
	OSStatus err = noErr;
	
	NoteInstanceID noteID; 
	if (outNoteInstanceID) {
		noteID = NextNoteID();
		*outNoteInstanceID = noteID;
	} else
		noteID = (UInt32)inParams.mPitch;
	
#if DEBUG_PRINT
	printf("AUInstrumentBase::StartNote ch %u, key %u, offset %u\n", inGroupID, (unsigned) inParams.mPitch, inOffsetSampleFrame);
#endif

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

		event->Set(
			SynthEvent::kEventType_NoteOn,
			inGroupID,
			noteID,
			inOffsetSampleFrame,
			&inParams
		);
		
		mEventQueue.AdvanceWritePtr();
	}
	return err;
}
Esempio n. 3
0
ComponentResult		AUInstrumentBase::StartNote(	MusicDeviceInstrumentID 	inInstrument, 
													MusicDeviceGroupID 			inGroupID, 
													NoteInstanceID 				&outNoteInstanceID, 
													UInt32 						inOffsetSampleFrame, 
													const MusicDeviceNoteParams &inParams)
{
#if DEBUG_PRINT
	printf("AUInstrumentBase::StartNote %d\n", inGroupID);
#endif
	ComponentResult err = noErr;
	
	Float32 pitch = inParams.mPitch;
	outNoteInstanceID = (pitch == floor(pitch)) ? (UInt32)pitch : NextNoteID();

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

		event->Set(
			SynthEvent::kEventType_NoteOn,
			inGroupID,
			outNoteInstanceID,
			inOffsetSampleFrame,
			&inParams
		);
		
		mEventQueue.AdvanceWritePtr();
	}
	return err;
}