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  Sound problem  (Read 667 times)
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Offline bauerr

Junior Devvie

Java!!!!!!!!!!! !!!

« Posted 2005-09-15 05:54:18 »


I have 3 sound files:

PCM_UNSIGNED 8000.0 Hz, 8 bit, mono, 1 bytes/frame,

PCM_UNSIGNED 11025.0 Hz, 8 bit, mono, 1 bytes/frame,

PCM_SIGNED 11025.0 Hz, 16 bit, mono, 2 bytes/frame, little-endian

The problem is, if I implement them in my game the file bird.wav can be played only once. If it should be replayed again nothing can be heared. The other two files can be replayed without any problem.
I have no idea what the problem could be. I'm using a modified sound routine I found here in the forum.

import java.util.Enumeration;
import java.util.Vector;

import javax.sound.sampled.AudioFormat;
import javax.sound.sampled.AudioInputStream;
import javax.sound.sampled.AudioSystem;
import javax.sound.sampled.Clip;
import javax.sound.sampled.DataLine;
import javax.sound.sampled.LineUnavailableException;
import javax.sound.sampled.UnsupportedAudioFileException;

public class SoundMachine {

  Vector clips;
  Vector streams;
  int counter;
  public SoundMachine(){
    //Vectoren als Datenspeicher
    clips   = new Vector();
    streams = new Vector();
    //Counter für Vectoren
    counter = 0;
  public int addClip(String file){
    int retval = 0;
    //hole URL
    URL sound_url = this.getClass().getClassLoader().getResource(file);
    try {
      AudioInputStream ais = AudioSystem.getAudioInputStream(sound_url);
      //Format ermitteln
      AudioFormat af = ais.getFormat();
      //Erst mal nur PCM-Files
        System.out.println("Format kann nicht abgespielt werden");
      //Clip erzeugen und öffnen
      DataLine.Info info = new DataLine.Info(Clip.class,af,((int)ais.getFrameLength()* af.getFrameSize()));
      Clip clip = (Clip)AudioSystem.getLine(info);
      retval = counter;
    } catch (UnsupportedAudioFileException e) {
    } catch (IOException e) {
    } catch (LineUnavailableException e) { }
    return retval;
  public void play(int soundnum){
    Clip clip = (Clip) clips.elementAt(soundnum);
    AudioInputStream ais = (AudioInputStream) streams.elementAt(soundnum);
    try {
     } catch (LineUnavailableException e) {
    } catch (IOException e) {
  public void loop(int soundnum){
    Clip clip = (Clip) clips.elementAt(soundnum);
    AudioInputStream ais = (AudioInputStream) streams.elementAt(soundnum);
    try {;
    } catch (LineUnavailableException e) {
    } catch (IOException e) {
  public void stop(int soundnum){
    Clip clip = (Clip) clips.elementAt(soundnum);
  public void stopAll(){
    for(Enumeration e = clips.elements(); e.hasMoreElements()Wink{
      Clip clip = (Clip) e.nextElement();

I have no idea in which direction I should investigate for the problem.
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