/// <summary>
/// Send a controller/pitch midi message.
/// </summary>
/// <param name="channel"></param>
/// <param name="id"></param>
/// <param name="value"></param>
public void SendController(int channel, int id, int value)
{
if (_mdev != null)
{
lock (_lock)
{
if (id == NpMidiEventArgs.PITCH_CONTROL)
{
PitchWheelChangeEvent pevt = new PitchWheelChangeEvent(0,
channel,
value);
int msg = pevt.GetAsShortMessage();
_mdev.Send(msg);
}
else
{
ControlChangeEvent nevt = new ControlChangeEvent(0,
channel,
(MidiController)id,
value);
int msg = nevt.GetAsShortMessage();
_mdev.Send(msg);
}
}
}
}
public void GetAsShortMessageReturnsCorrectValue()
{
int channel = 2;
int pitch = 0x3FFF; // 0x2000 is the default
PitchWheelChangeEvent p = new PitchWheelChangeEvent(0, channel, pitch);
Assert.AreEqual(0x007F7FE1, p.GetAsShortMessage());
}
private void sr_OnTrackEvent(object sender, TrackEventArgs e)
{
long counter = 0;
long notesBefore = TotalNotes;
foreach (var ev in e.Events.Where(x => x is MidiUtils.IO.MidiEvent))
{
counter++;
// Convert the event to NAudio's system so we can get a shortMessage
var em = (MidiUtils.IO.MidiEvent)ev;
if (ev.Type == EventType.NoteOn)
{
TotalNotes++;
}
MidiEvent me;
try
{
switch (ev.Type)
{
case EventType.NoteOn:
case EventType.NoteOff:
case EventType.PolyphonicKeyPressure:
if (em.Data2 > 0 && ev.Type == EventType.NoteOn)
{
me = new NoteOnEvent(ev.Tick, em.Channel + 1, em.Data1, em.Data2, 0);
}
else
{
me = new NoteEvent(ev.Tick, em.Channel + 1, (MidiCommandCode)(int)ev.Type, em.Data1, em.Data2);
}
break;
case EventType.ControlChange:
me = new ControlChangeEvent(ev.Tick, em.Channel + 1, (MidiController)em.Data1, em.Data2);
break;
case EventType.ProgramChange:
me = new PatchChangeEvent(ev.Tick, em.Channel + 1, em.Data1);
break;
case EventType.ChannelPressure:
me = new ChannelAfterTouchEvent(ev.Tick, em.Channel + 1, em.Data1);
break;
case EventType.Pitchbend:
me = new PitchWheelChangeEvent(ev.Tick, em.Channel + 1, em.Data1 + (em.Data2 << 7));
break;
default:
throw new InvalidOperationException("Unsupported MIDI event type: " + ev.Type);
}
}
catch (Exception ex)
{
Exceptions++;
continue;
}
// Send the message
try { _midi.Send(me.GetAsShortMessage()); }
catch (MmException ex)
{
if ((int)ex.Result == 67)
{
Overloads++;
}
else
{
Exceptions++;
}
continue;
}
if (ev.Type == EventType.NoteOn)
{
SuccessNotes++;
}
}
PeakNotesPerInterval = Math.Max(PeakNotesPerInterval, TotalNotes - notesBefore);
PeakEventsPerInterval = Math.Max(PeakEventsPerInterval, counter);
TotalEvents += counter;
}