public void buildTrackAndStart() { int[] trackList = null; sequence.deleteTrack(track); track = sequence.createTrack(); for (int i = 0; i < 16; i++) { trackList = new int[16]; int key = instruments[i]; for (int j = 0; j < 16; j++) { JCheckBox jc = (JCheckBox) checkboxList.get(j + (16 * i)); if (jc.isSelected()) { trackList[j] = key; } else { trackList[j] = 0; } } // close inner loop makeTracks(trackList); track.add(makeEvent(176, 1, 127, 0, 16)); } // close outer track.add(makeEvent(192, 9, 1, 0, 15)); try { sequencer.setSequence(sequence); sequencer.setLoopCount(sequencer.LOOP_CONTINUOUSLY); sequencer.start(); sequencer.setTempoInBPM(120); } catch (Exception e) { e.printStackTrace(); } } // close buildTrackAndStart method
public void go() { setUpGui(); try { Sequencer sequencer = MidiSystem.getSequencer(); sequencer.open(); // make a sequencer and open sequencer.addControllerEventListener(m1, new int[] {127}); Sequence seq = new Sequence(Sequence.PPQ, 4); Track track = seq.createTrack(); int r = 0; for (int i = 0; i < 300; i += 4) { r = (int) ((Math.random() * 50) + 1); track.add(makeEvent(144, 1, r, 100, i)); track.add(makeEvent(176, 1, 127, 0, i)); track.add(makeEvent(128, 1, r, 100, i + 2)); } // end loop sequencer.setSequence(seq); sequencer.start(); sequencer.setTempoInBPM(120); } catch (Exception ex) { ex.printStackTrace(); } } // close method
public void makeTracks(int[] list) { for (int i = 0; i < 16; i++) { int key = list[i]; if (key != 0) { track.add(makeEvent(144, 9, key, 100, i)); track.add(makeEvent(128, 9, key, 100, i + 1)); } } }
public boolean createEvent(int type, int num, long tick) { ShortMessage message = new ShortMessage(); try { message.setMessage(type + cc.num, num, cc.velocity); MidiEvent event = new MidiEvent(message, tick); track.add(event); return true; } catch (Exception ex) { ex.printStackTrace(); return false; } }
public void actionPerformed(ActionEvent ev) { try { // make (and open) a sequencer, make a sequence and track Sequencer sequencer = MidiSystem.getSequencer(); sequencer.open(); sequencer.addControllerEventListener(myPanel, new int[] {127}); Sequence seq = new Sequence(Sequence.PPQ, 4); Track track = seq.createTrack(); // now make two midi events (containing a midi message) for (int i = 0; i < 100; i += 4) { int rNum = (int) ((Math.random() * 50) + 1); if (rNum < 38) { // so now only do it if num <38 (75% of the time) track.add(makeEvent(144, 1, rNum, 100, i)); track.add(makeEvent(176, 1, 127, 0, i)); track.add(makeEvent(128, 1, rNum, 100, i + 2)); } } // end loop // add the events to the track // add the sequence to the sequencer, set timing, and start sequencer.setSequence(seq); sequencer.start(); sequencer.setTempoInBPM(220); } catch (Exception ex) { ex.printStackTrace(); } } // close actionperformed
public void los() { guiErstellen(); try { // einen Sequencer erzeugen (und öffnen), // eine Sequence und einen Track erzeugen Sequencer sequencer = MidiSystem.getSequencer(); sequencer.open(); sequencer.addControllerEventListener(ml, new int[] {127}); Sequence seq = new Sequence(Sequence.PPQ, 4); Track track = seq.createTrack(); // jetzt werden MidiEvents (die eine // MidiMessage enthalten) erzeugt int r = 0; for (int i = 0; i < 60; i += 4) { r = (int) ((Math.random() * 50) + 1); track.add(eventErzeugen(144, 1, r, 100, i)); track.add(eventErzeugen(176, 1, 127, 0, i)); track.add(eventErzeugen(128, 1, r, 100, i + 2)); } // Ende der for-Schleife // Hinzufügen der Events zum Track und der Sequence // zum Sequencer, Setzen der Zeiten und Starten sequencer.setSequence(seq); sequencer.start(); sequencer.setTempoInBPM(120); } catch (Exception ex) { ex.printStackTrace(); } } // Methode los schließen