How To Play Loop Audio In Java Application

[nayan rami]

hello Friends

how to use audio file to play in loop in java swing application


i am using this code but not give me a result and
is there any specific format used for that?

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

import java.util.logging.Level;
import java.util.logging.Logger;
import sun.audio.*;
import java.io.*;

/*
 * AudioLoopTest.java
 *
 * Created on Feb 10, 2011, 6:40:31 PM
 */

/**
 *
 * @author win xp
 */
public class AudioLoopTest extends javax.swing.JFrame {

    /** Creates new form AudioLoopTest */
    public AudioLoopTest() {
        initComponents();
    }

     public void playaudio() throws IOException{
            System.out.println("Welcome in Audio Player");
            InputStream in = new FileInputStream("E:\\one.mp3");

            AudioStream as = new AudioStream(in);

            AudioPlayer.player.start(as);
        }
    /** This method is called from within the constructor to
     * initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is
     * always regenerated by the Form Editor.
     */
    @SuppressWarnings("unchecked")
    // <editor-fold defaultstate="collapsed" desc="Generated Code">
    private void initComponents() {

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGap(0, 400, Short.MAX_VALUE)
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGap(0, 300, Short.MAX_VALUE)
        );

        pack();
    }// </editor-fold>

    /**
    * @param args the command line arguments
    */
    public static void main(String args[]) {
        java.awt.EventQueue.invokeLater(new Runnable() {
            public void run() {
                new AudioLoopTest().setVisible(true);
                try {
                    new AudioLoopTest().playaudio();
                } catch (IOException ex) {
                    Logger.getLogger(AudioLoopTest.class.getName()).log(Level.SEVERE, null, ex);
                    System.out.println(ex.toString());
                }
            }
        });
    }

    // Variables declaration - do not modify
    // End of variables declaration

}

thanks

[Rob Spoor]

You should start by never ever using any class in a package that starts with com.sun, sun or sunw. That includes sun.audio.AudioStream. The reason is that these classes are undocumented, and can be changed or even dropped in any next release of Java. Unfortunately, because programmers do not heed this warning, there are applications that stop working all of a sudden when a new Java version is installed. I myself found an application that only worked with Java 1.4.2_08. Even my 1.4.2_10 (at the time) Java installation refused to run the program. The cause, as indicated by the stack trace, as the use of one of these undocumented classes.

JMF is usually the way to go when wanting to play music and/or video in Java, but I found JLayer to be a little bit more intuitive to use.

[Ulf Dittmer]

JMF is usually the way to go when wanting to play music and/or video in Java

For MP3s -as in the code above- I'd agree, but for other formats (like AIFF, WAV and MIDI) the Java Sound API might be a better choice, as it is part of the JRE. I'd even go as far as saying that unless the point of the application is to play MP3s specifically, it may be preferable to convert the audio files to a format that Java Sound can handle, thus avoiding having to deal with JMF. (Which, although functional, hasn't been updated in years, partly relies on native code, is not part of the JRE etc.)

[nayan rami]

Rob Spoor wrote:You should start by never ever using any class in a package that starts with com.sun, sun or sunw. That includes sun.audio.AudioStream. The reason is that these classes are undocumented, and can be changed or even dropped in any next release of Java. Unfortunately, because programmers do not heed this warning, there are applications that stop working all of a sudden when a new Java version is installed. I myself found an application that only worked with Java 1.4.2_08. Even my 1.4.2_10 (at the time) Java installation refused to run the program. The cause, as indicated by the stack trace, as the use of one of these undocumented classes.

JMF is usually the way to go when wanting to play music and/or video in Java, but I found JLayer to be a little bit more intuitive to use.

how can in loop mp3 or any other file format using JMF

i have to use some specific file format so and using in application not in applet
help me

[Ulf Dittmer]

nayan rami wrote:how can in loop mp3 or any other file format using JMF

The javax.media.bean.playerbean.MediaPlayer class (which comes with JMF) has methods to set/unset/check loop mode.

i have to use some specific file format so and using in application not in applet

Which file format is that? Specifically MP3? Or would something else be OK as well?