void InstrumentSwitch(object obj, InstrumentEvent evt)
{
currentInstrument = evt.instrument;
foreach (NoteObject noteObj in notes.Values)
{
noteObj.fade = noteObj.note.instrument != evt.instrument;
}
}
public static Midi Create(Mid mid)
{
Midi midi = new Midi();
midi.Division = mid.Division as Mid.TicksPerBeatDivision;
List <NoteEvent> OpenNotes = new List <NoteEvent>();
foreach (Mid.Track t in mid.Tracks)
{
Track track = new Track();
ulong time = 0;
foreach (Mid.Event e in t.Events)
{
time += e.DeltaTime;
if (e is Mid.MetaEvent)
{
Mid.MetaEvent meta = e as Mid.MetaEvent;
if (meta.Type == 0x3)
{
track.Name = Util.Encoding.GetString(meta.Data);
if (midi.Name == null)
{
midi.Name = track.Name;
}
}
else if (meta.Type == 0x1)
{
track.Comments.Add(new TextEvent(time, Util.Encoding.GetString(meta.Data)));
}
else if (meta.Type == 0x5)
{
track.Lyrics.Add(new TextEvent(time, Util.Encoding.GetString(meta.Data)));
}
else if (meta.Type == 0x6)
{
track.Markers.Add(new TextEvent(time, Util.Encoding.GetString(meta.Data)));
}
else if (meta.Type == 0x51)
{
byte[] data = new byte[4];
meta.Data.CopyTo(data, 1);
midi.BPM.Add(new TempoEvent(time, BigEndianConverter.ToUInt32(data)));
}
else if (meta.Type == 0x58)
{
midi.Signature.Add(new TimeSignatureEvent(time, meta.Data[0], meta.Data[1], meta.Data[2], meta.Data[3]));
}
else if (meta.Type == 0x2F)
{
} //else
//throw new Exception("OHSHIT");
}
else if (e is Mid.ChannelEvent)
{
Mid.ChannelEvent c = e as Mid.ChannelEvent;
if (c.Type == 0x8 || (c.Type == 0x9 && c.Parameter2 == 0)) // Note off
// ( A note on with velocity 0 acts as a note off )
{
NoteEvent note = OpenNotes.Find(n => n.Note == c.Parameter1);
if (note != null)
{
note.Duration = time - note.Time;
note.ReleaseVelocity = c.Parameter2;
OpenNotes.Remove(note);
}
}
else if (c.Type == 0x9) // Note on
{
NoteEvent note = new NoteEvent(time, c.Channel, c.Parameter1, c.Parameter2, 0);
OpenNotes.Add(note);
track.Notes.Add(note);
}
else if (c.Type == 0xC) // Program Change
{
InstrumentEvent change = new InstrumentEvent(time, c.Channel, c.Parameter1, c.Parameter2);
track.Instruments.Add(change);
}
else if (c.Type == 0xB) // Controller
{
switch (c.Parameter1)
{
case 0x00: // Bank Select
BankEvent bank = new BankEvent(time, c.Channel, c.Parameter2);
track.Banks.Add(bank);
break;
}
} //else
//throw new Exception("OHSHIT");
}
}
if (track.Notes.Count > 0 || track.Comments.Count > 0 || track.Lyrics.Count > 0)
{
midi.Tracks.Add(track);
}
}
return(midi);
}
