public static double send(Sequence seq, Receiver recv) { float divtype = seq.getDivisionType(); assert (seq.getDivisionType() == Sequence.PPQ); Track[] tracks = seq.getTracks(); int[] trackspos = new int[tracks.length]; int mpq = 60000000 / 100; int seqres = seq.getResolution(); long lasttick = 0; long curtime = 0; while (true) { MidiEvent selevent = null; int seltrack = -1; for (int i = 0; i < tracks.length; i++) { int trackpos = trackspos[i]; Track track = tracks[i]; if (trackpos < track.size()) { MidiEvent event = track.get(trackpos); if (selevent == null || event.getTick() < selevent.getTick()) { selevent = event; seltrack = i; } } } if (seltrack == -1) break; trackspos[seltrack]++; long tick = selevent.getTick(); if (divtype == Sequence.PPQ) curtime += ((tick - lasttick) * mpq) / seqres; else curtime = (long) ((tick * 1000000.0 * divtype) / seqres); lasttick = tick; MidiMessage msg = selevent.getMessage(); if (msg instanceof MetaMessage) { if (divtype == Sequence.PPQ) if (((MetaMessage) msg).getType() == 0x51) { byte[] data = ((MetaMessage) msg).getData(); mpq = ((data[0] & 0xff) << 16) | ((data[1] & 0xff) << 8) | (data[2] & 0xff); } } else { if (recv != null) recv.send(msg, curtime); } } return curtime / 1000000.0; }