Re: Java Sound mp3 support?

Knute Johnson <>
Wed, 15 Jul 2009 16:04:06 -0700
Keith Thurman wrote:

Knute Johnson wrote:

Keith Thurman wrote:

Knute Johnson wrote:

JMF is not required to get the MP3 plugin to work with JavaSound.
The problem I think you will find is that MP3 plugin does not play
all of the formats that exist.

The only format I'm trying to play is MP3.

It too is pretty old and has not been updated in several years. The
tritonus libraries might be a better option but I'm not an MP3 expert.

Didn't we get here when the tritonus libraries just plain didn't
work? (And yes I did try adding each separate tritonus jar to the
classpath, AND I tried dropping them all in the same ext dir where
the Sun mp3 plugin installer dropped a file named mp3plugin.jar when
I ran it.)

MP3 is not a single format. That's where the problem lies I'm pretty


This is leading nowhere.

Lay it down for me: a simple, step-by-step installation procedure that
starts with downloading one or more jars or installers from a web site
and ends with mp3 support in Java that actually works, and works reliably.

Thank you.


1) On Windows, go download the javamp3-1_0.exe file and install it.

2) Go rip a CD with Windows Media Player into MP3 format.

3) Use this code to play your MP3 file.

import javax.sound.sampled.*;

public class Play {
     public static void main(String[] args) {
         class MyLineListener implements LineListener {
             public void update(LineEvent le) {
                 LineEvent.Type type = le.getType();

         try {
             AudioInputStream fis =
              AudioSystem.getAudioInputStream(new File(args[0]));
             System.out.println("File AudioFormat: " + fis.getFormat());
             AudioInputStream ais = AudioSystem.getAudioInputStream(
             AudioFormat af = ais.getFormat();
             System.out.println("AudioFormat: " + af.toString());

             int frameRate = (int)af.getFrameRate();
             System.out.println("Frame Rate: " + frameRate);
             int frameSize = af.getFrameSize();
             System.out.println("Frame Size: " + frameSize);

             SourceDataLine line = AudioSystem.getSourceDataLine(af);
             line.addLineListener(new MyLineListener());

             int bufSize = line.getBufferSize();
             System.out.println("Buffer Size: " + bufSize);


             byte[] data = new byte[bufSize];
             int bytesRead;

             while ((bytesRead =,0,data.length)) != -1)

         } catch (Exception e) {

It will also play with this JMF video player code as well;

import java.awt.*;
import java.awt.event.*;
import java.awt.image.*;
import java.util.*;

import javax.imageio.*;

public class VideoPlayer extends Frame {
     Player player;
     FormatControl formatControl;
     FrameGrabbingControl grabber;

     public VideoPlayer(String[] args) {
         super("Video Player");

         setLayout(new BorderLayout());

         MenuBar mb = new MenuBar();

         Menu mfile = new Menu("File");

         final MenuItem mi = new MenuItem("Grab");
         mi.addActionListener(new ActionListener() {
             public void actionPerformed(ActionEvent ae) {
                 Buffer buf = grabber.grabFrame();
                 BufferToImage b2i =
                  new BufferToImage((VideoFormat)buf.getFormat());
                 BufferedImage bi = (BufferedImage)b2i.createImage(buf);
                 if (bi != null) {
                     try {
                         ImageIO.write(bi,"JPEG",new File("image.jpg"));
                     } catch (IOException ioe) {

         addWindowListener(new WindowAdapter() {
             public void windowClosing(WindowEvent we) {
                 if (player != null) {

         ControllerListener cl = new ControllerAdapter() {
             public void configureComplete(ConfigureCompleteEvent cce) {
                 System.out.println("configure complete event");
             public void controllerError(ControllerErrorEvent cee) {
                 System.out.println("controller error event");
             public void controllerClosed(ControllerClosedEvent cce) {
                 System.out.println("controller closed event");
             public void deallocate(DeallocateEvent de) {
                 System.out.println("deallocate event");
             public void endOfMedia(EndOfMediaEvent eome) {
                 System.out.println("end of media event");
             public void formatChange(FormatChangeEvent fce) {
                 System.out.println("format change event");
             public void internalError(InternalErrorEvent iee) {
                 System.out.println("internal error");
             public void mediaTimeSet(MediaTimeSetEvent mtse) {
                 System.out.println("media time set event");
             public void prefetchComplete(PrefetchCompleteEvent pce) {
                 System.out.println("prefetch complete event");
             public void realizeComplete(RealizeCompleteEvent rce) {
                 System.out.println("realize complete event");

                 Component c = player.getVisualComponent();
                 if (c != null) {
                 } else
                     System.out.println("no visual component");

                 c = player.getControlPanelComponent();
                 if (c != null)

                 formatControl = (FormatControl)

                 if (formatControl != null) {
                     c = formatControl.getControlComponent();
                     if (c != null)
                         System.out.println("no format control component");
                 } else
                     System.out.println("no format control");

                 grabber = (FrameGrabbingControl)player.getControl(
                 if (grabber == null)

             public void restarting(RestartingEvent re) {
                 System.out.println("restarting event");
             public void sizeChange(SizeChangeEvent sce) {
                 System.out.println("size change event");
             public void start(StartEvent se) {
                 System.out.println("start event");
             public void stop(StopEvent se) {
                 System.out.println("stop event");
             public void transition(TransitionEvent te) {
                 System.out.println("transition event");
                 int state = te.getCurrentState();
                 switch (state) {
                     case Processor.Configuring:
                         System.out.println(" configuring");
                     case Processor.Configured:
                         System.out.println(" configured");
                     case Processor.Prefetching:
                         System.out.println(" prefetching");
                     case Processor.Prefetched:
                         System.out.println(" prefetched");
                     case Processor.Realizing:
                         System.out.println(" realizing");
                     case Processor.Realized:
                         System.out.println(" realized");
                     case Processor.Unrealized:
                         System.out.println(" unrealized");
                     case Processor.Started:
                         System.out.println(" started");
         try {
             MediaLocator ml;
             File file = new File(args[0]);
             if (file.exists()) {
                 ml = new MediaLocator(file.toURI().toURL());
             } else
                 ml = new MediaLocator(args[0]);
// Manager.setHint(Manager.PLUGIN_PLAYER,Boolean.TRUE);
             player = Manager.createPlayer(ml);
         } catch (NoPlayerException npe) {
         } catch (IOException ioe) {

     public static void main(String[] args) {
         new VideoPlayer(args);

Then try it with the file you really want to play. If it doesn't work
(here we go again) that's because it won't play every MP3 formatted file.


Knute Johnson
email s/nospam/knute2009/

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