partial void StartMessageReceived()
{
_port.ConnectSource(_endpoint);
_port.MessageReceived += NativePortMessageReceived;
}
/// <summary>
/// Gets all MIDI resources needed to use the selected device.
/// </summary>
private void Acquire(LPM.MidiDevice device)
{
if (device != null)
{
// setup the input device
if (device.CanRead)
{
_inputEndpoint = null;
for (var i = 0; i < MonoMac.CoreMidi.Midi.SourceCount; i++)
{
MidiEndpoint dest = MidiEndpoint.GetSource(i);
if (GetDeviceID(dest) == device.ID)
{
_inputEndpoint = dest;
break;
}
}
if (_inputEndpoint == null)
{
throw new Exception("Could not find MIDI input device " + device.ID);
}
// setup the device
_inputPort.ConnectSource(_inputEndpoint);
// send all input events to Receive()
_inputPort.MessageReceived += (object sender, MidiPacketsEventArgs e) =>
{
for (var i = 0; i < e.Packets.Length; i++)
{
var packet = e.Packets[i];
var managedArray = new byte[packet.Length];
Marshal.Copy(packet.Bytes, managedArray, 0, packet.Length);
if (managedArray.Length >= 3)
{
MidiMessageType type;
int channel;
MidiHelpers.ParseTypeAndChannel(managedArray[0], out type, out channel);
Receive(new MidiMessage()
{
//Type = managedArray[0].GetMidiMessageType(),
//Channel = 0,
Type = type,
Channel = channel,
Pitch = (int)managedArray[1],
Velocity = (int)managedArray[2]
});
}
}
};
}
else
{
_inputEndpoint = null;
}
if (device.CanWrite)
{
_outputEndpoint = null;
for (var i = 0; i < MonoMac.CoreMidi.Midi.DestinationCount; i++)
{
MidiEndpoint dest = MidiEndpoint.GetDestination(i);
if (GetDeviceID(dest) == device.ID)
{
_outputEndpoint = dest;
break;
}
}
if (_outputEndpoint == null)
{
throw new Exception("Could not find MIDI output device " + device.ID);
}
}
else
{
_outputEndpoint = null;
}
}
}