public void WriteMIDI(string path)
{
HashSet<Note>.Enumerator enumerator = notes.GetEnumerator();
FastPriorityQueue<Note> startQueue = new FastPriorityQueue<Note>(numNotes);
FastPriorityQueue<Note> endQueue = new FastPriorityQueue<Note>(numNotes);
while (enumerator.MoveNext())
{
startQueue.Enqueue(enumerator.Current, enumerator.Current.Priority);
}
using (BinaryWriter writer = new BinaryWriter(File.Open(path+trackName + ".mid", FileMode.Create)))
{
writer.Write(OneTrackHeader());
writer.Write(StandardTrackHeader());
long deltaStart = 0;
do
{
if (endQueue.Peek() == null)
{
Note note = startQueue.Dequeue();
writer.Write(note.MidiStart(deltaStart));
deltaStart = (long) note.Priority;
endQueue.Enqueue(note, note.Priority+note.GetDuration());
} else if (startQueue.Peek() == null)
{
Note note = endQueue.Dequeue();
writer.Write(note.MidiEnd(deltaStart));
deltaStart = (long) note.Priority;
} else
{
if (endQueue.Peek().Priority > startQueue.Peek().Priority)
{
Note note = startQueue.Dequeue();
writer.Write(note.MidiStart(deltaStart));
deltaStart = (long)note.Priority;
endQueue.Enqueue(note, note.Priority+note.GetDuration());
} else
{
Note note = endQueue.Dequeue();
writer.Write(note.MidiEnd(deltaStart));
deltaStart = (long)note.Priority;
}
}
} while (startQueue.Count + endQueue.Count > 0);
writer.Write(TrackEnd());
}
}
