private void InputCallback(HMIDIIN hMidiIn, MidiInMessage wMsg,
UIntPtr dwInstance, UIntPtr dwParam1, UIntPtr dwParam2)
{
_isInsideInputHandler = true;
try
{
switch (wMsg)
{
case MidiInMessage.MIM_DATA:
{
HandleInputMimData(dwParam1, dwParam2);
break;
}
case MidiInMessage.MIM_LONGDATA:
{
HandleInputMimLongData(dwParam1, dwParam2);
}
break;
case MidiInMessage.MIM_MOREDATA:
SysEx?.Invoke(new SysExMessage(this, new byte[] { 0x13 }, 13));
break;
case MidiInMessage.MIM_OPEN:
//SysEx(new SysExMessage(this, new byte[] { 0x01 }, 1));
break;
case MidiInMessage.MIM_CLOSE:
//SysEx(new SysExMessage(this, new byte[] { 0x02 }, 2));
break;
case MidiInMessage.MIM_ERROR:
SysEx?.Invoke(new SysExMessage(this, new byte[] { 0x03 }, 3));
break;
case MidiInMessage.MIM_LONGERROR:
SysEx?.Invoke(new SysExMessage(this, new byte[] { 0x04 }, 4));
break;
default:
SysEx?.Invoke(new SysExMessage(this, new byte[] { 0x05 }, 5));
break;
}
}
finally
{
_isInsideInputHandler = false;
}
}
private void Decode(byte[] message)
{
byte status = message[0];
switch (status & 0b1111_1000)
{
case Midi.Status.NoteOffBitmask:
if (NoteOffMessage.TryDecode(message, out var noteOffMessage))
{
NoteOff?.Invoke(this, in noteOffMessage);
}
break;
case Midi.Status.NoteOnBitmask:
if (NoteOnMessage.TryDecode(message, out var noteOnMessage))
{
NoteOn?.Invoke(this, in noteOnMessage);
}
break;
case Midi.Status.PolyphonicKeyPressureBitmask:
if (PolyphonicKeyPressureMessage.TryDecode(message, out var polyphonicKeyPressureMessage))
{
PolyphonicKeyPressure?.Invoke(this, in polyphonicKeyPressureMessage);
}
break;
case Midi.Status.ControlChangeBitmask:
if (ControlChangeMessage.TryDecode(message, out var controlChangeMessage))
{
_nrpnInterpreters[(int)controlChangeMessage.Channel].HandleControlChangeMessage(in controlChangeMessage);
}
break;
case Midi.Status.ProgramChangeBitmask:
if (ProgramChangeMessage.TryDecode(message, out var programChangeMessage))
{
ProgramChange?.Invoke(this, in programChangeMessage);
}
break;
case Midi.Status.ChannelPressureBitmask:
if (ChannelPressureMessage.TryDecode(message, out var channelPressureMessage))
{
ChannelPressure?.Invoke(this, in channelPressureMessage);
}
break;
case Midi.Status.PitchBendChange:
if (PitchBendMessage.TryDecode(message, out var pitchBendMessage))
{
PitchBend?.Invoke(this, in pitchBendMessage);
}
break;
case Midi.Status.System:
switch (status)
{
case Midi.Status.SysExStart:
if (SysExMessage.TryDecode(message, out var sysExMessage))
{
SysEx?.Invoke(this, in sysExMessage);
}
break;
default:
Log.Error("Unknown system message type {Status}", $"{status:X2}");
break;
}
break;
case Midi.Status.SystemRealTimeBitmask:
if (SystemRealTimeMessage.TryDecode(message[0], out var systemRealTimeMessage))
{
SystemRealTime?.Invoke(this, in systemRealTimeMessage);
}
break;
default:
Log.Error("Unknown message type {Bitmask}", $"{status & 0b1111_0000:X2}");
break;
}
}
