Java-Programming-Exercises/MiniMusicPlayer2.java at master · RoyTien/Java-Programming-Exercises · GitHub

45 lines (37 loc) · 1.12 KB

import javax.sound.midi.*;

public class MiniMusicPlayer2 implements ControllerEventListener {

public static void main(String[] args){

MiniMusicPlayer2 mini = new MiniMusicPlayer2();

mini.go();

}

public void go(){

try{

Sequencer sequencer = MidiSystem.getSequencer();

sequencer.open();

int[] eventsIWant = {127};

sequencer.addControllerEventListener(this,eventsIWant);

Sequence seq = new Sequence(Sequence.PPQ,4);

Track track = seq.createTrack();

for(int i = 5; i < 60; i += 4){

track.add(makeEvent(144,1,i,100,i));

track.add(makeEvent(1176,1,127,0,i));

track.add(makeEvent(128,1,i,100,1+2));

}

sequencer.setSequence(seq);

sequencer.setTempoInBPM(220);

sequencer.start();

}catch(Exception ex){ex.printStackTrace();}

}

public MidiEvent makeEvent(int comd, int chan, int one, int two, int tick){

MidiEvent event = null;

try{

ShortMessage a = new ShortMessage();

a.setMessage(comd, chan, one, two);

event = new MidiEvent(a,tick);

}catch(Exception e){ }

return event;

}

public void controlChange(ShortMessage event) {

// TODO Auto-generated method stub

}

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