Master/Reference Architectures and Patterns/hjp5/examples/Listing4904.java


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51

/* Listing4904.java */

import java.io.*;
import javax.sound.midi.*;

public class Listing4904
{
  private static void playMidiFile(String name)
  throws Exception
  {
    //Sequencer und Synthesizer initialisieren
    Sequencer sequencer = MidiSystem.getSequencer();
    Transmitter trans = sequencer.getTransmitter();
    Synthesizer synth = MidiSystem.getSynthesizer();
    Receiver rcvr = synth.getReceiver();
    //Beide �ffnen und verbinden
    sequencer.open();
    synth.open();
    trans.setReceiver(rcvr);
    //Sequence lesen und abspielen
    Sequence seq = MidiSystem.getSequence(new File(name));
    sequencer.setSequence(seq);
    sequencer.setTempoInBPM(145);
    sequencer.start();
    while (true) {
      try {
        Thread.sleep(100);
      } catch (Exception e) {
        //nothing
      }
      if (!sequencer.isRunning()) {
        break;
      }
    }
    //Sequencer anhalten und Ger�te schlie�en
    sequencer.stop();
    sequencer.close();
    synth.close();
  }

  public static void main(String[] args)
  {
    try {
      playMidiFile(args[0]);
    } catch (Exception e) {
      e.printStackTrace();
      System.exit(1);
    }
    System.exit(0);
  }
}