- // Searches the sequence for NoteOn and NoteOff events
- noteOns = new ArrayList(tracks[i].size() / 2);
- noteOffs = new ArrayList(tracks[i].size() / 2);
- for (int j = 0; j < tracks[i].size(); j++) {
- event = tracks[i].get(j);
- if (event.getMessage().getStatus() >= 144 &&
- event.getMessage().getStatus() < 160) noteOns.add(event);
- if (event.getMessage().getStatus() >= 128 &&
- event.getMessage().getStatus() < 144) noteOffs.add(event);
- }
- noteOns.trimToSize();
- noteOffs.trimToSize();
-
- // Sorts the note lists by tick position.
- Comparator c = new Comparator() {
- public int compare(Object o1, Object o2) {
- return (int)(((MidiEvent)o1).getTick() - ((MidiEvent)o2).getTick());
- }
- };
- Collections.sort(noteOns, c);
- Collections.sort(noteOffs, c);
-
- // For each NoteOn event, finds its NoteOff event and replaces it with a MooNote.
- Iterator iOn = noteOns.iterator(), iOff;
- MidiEvent on, off = null, nextOff;
- ShortMessage onMsg, nextOffMsg;
- while(iOn.hasNext()) {
- on = (MidiEvent)iOn.next();
- onMsg = (ShortMessage)on.getMessage();
- iOff = noteOffs.iterator();
- while(iOff.hasNext()) {
- nextOff = (MidiEvent)iOff.next();
- nextOffMsg = (ShortMessage)nextOff.getMessage();
- if(onMsg.getChannel() == nextOffMsg.getChannel() &&
- onMsg.getData1() == nextOffMsg.getData1() &&
- c.compare(nextOff, on) > 0) {
- off = nextOff;
- iOff.remove();
- break;
- }
-
- }
- tracks[i].remove(on);
- if (off != null) {
- tracks[i].add(new MooNote(on, off));
- } else {
- tracks[i].add(new MooNote(on));
- }
- iOn.remove();
- }
- }
-
- /*
- Collections.sort(track[i].events, new Comparator() {
- public int compare(Object o1, Object o2) {
- return ((MidiEvent)o2).getTick() - ((MidiEvent)o1).getTick();
- }
- });
-
- // Searches the sequence for NoteOn events
- MidiEvent noteOn, noteOff = null, nextEvent;
- MidiMessage nextMsg;
- ShortMessage shortMsg;
-
- for (int i = 0; i < tracks.length; i++) {
- for (int j = 0; j < tracks[i].size(); j++) {
- noteOn = tracks[i].get(j);
- if (noteOn.getMessage().getStatus() == ShortMessage.NOTE_ON) {
- // Finds the corresponding NoteOff event
- for (int k = j + 1; k < tracks[i].size(); k++) {
- nextEvent = tracks[i].get(k);
- nextMsg = nextEvent.getMessage();
- if (nextMsg instanceof ShortMessage) {
- shortMsg = (ShortMessage) nextMsg;
- if (shortMsg.getCommand() == ShortMessage.NOTE_OFF && shortMsg.getChannel() == ((ShortMessage)noteOn.getMessage()).getChannel() && shortMsg.getData1() == ((ShortMessage)noteOn.getMessage()).getData1()) {
- noteOff = nextEvent;
- break;
- }
- }
- }
- // Replaces the NoteOn event with a MooNote, if possible with the corresponding NoteOff event
- tracks[i].remove(noteOn);
- if (noteOff != null) {
- tracks[i].add(new MooNote(noteOn, noteOff));
- } else {
- tracks[i].add(new MooNote(noteOn));
- }
- }
- }