C++ (Cpp) NextNoteIDの例

コード例 #1

ファイル: AUInstrumentBase.cpp プロジェクト: Ace17/faust

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;
}

コード例 #2

ファイル: AUInstrumentBase.cpp プロジェクト: arnelh/Examples

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;
}