public static MidiEventBase Execute(int aDelta, byte aState, AByteArray aByteArray)
{
MidiEventBase lMidiEvent = null;
switch (aState & 0xF0)
{
case 0x80:
lMidiEvent = new MidiEventNoteOff(aDelta, aState, aByteArray);
break;
case 0x90:
MidiEventNoteOn lNoteOn = new MidiEventNoteOn(aDelta, aState, aByteArray);
if (lNoteOn.GetVelocity() == 0)
{
lMidiEvent = new MidiEventNoteOff(lNoteOn);
}
else
{
lMidiEvent = lNoteOn;
}
break;
case 0xA0:
lMidiEvent = new MidiEventKeyPressure(aDelta, aState, aByteArray);
break;
case 0xB0:
lMidiEvent = new MidiEventControlChange(aDelta, aState, aByteArray);
break;
case 0xC0:
lMidiEvent = new MidiEventProgramChange(aDelta, aState, aByteArray);
break;
case 0xD0:
lMidiEvent = new MidiEventChannelPressure(aDelta, aState, aByteArray);
break;
case 0xE0:
lMidiEvent = new MidiEventPitchWheelChange(aDelta, aState, aByteArray);
break;
case 0xF0:
lMidiEvent = new MidiEventSystemExclusive(aDelta, aState, aByteArray);
break;
default:
// 未定義のイベントメッセージ.
Logger.Error("Undefined Midi Event:" + aState);
throw new Exception();
}
return(lMidiEvent);
}
public MidiEventNoteOn(MidiEventNoteOn aNoteOnEvent)
: base(aNoteOnEvent)
{
}