No veo los videos con jmf

Antes  que nada gracias  a  los  que  me respondieron anterior.

Hola  gente  esto  tratando de  reproducir un video .mpeg   con este
codigo que  encontre  en internet.

Pero  solo  puedo  escuchar  sonido pero  no veo nada  de  video.
Alguien que  me  pueda  ayudar?.

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Component;
import java.awt.Container;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.io.File;

import javax.media.ControllerEvent;
import javax.media.ControllerListener;
import javax.media.Manager;
import javax.media.Player;
import javax.media.RealizeCompleteEvent;
import javax.swing.JButton;
import javax.swing.JFileChooser;
import javax.swing.JFrame;
import javax.swing.JOptionPane;

public class MediaPlayerDemo extends JFrame {
    private Player player;

    private File file;

    public MediaPlayerDemo() {
        super("Demonstrating the Java Media Player");

        JButton openFile = new JButton("Open file to play");
        openFile.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                openFile();
                createPlayer();
            }
        });
        getContentPane().add(openFile, BorderLayout.NORTH);

        setSize(300, 300);
        show();
    }

    private void openFile() {
        JFileChooser fileChooser = new JFileChooser();

        fileChooser.setFileSelectionMode(JFileChooser.FILES_ONLY);
        int result = fileChooser.showOpenDialog(this);

        // user clicked Cancel button on dialog
        if (result == JFileChooser.CANCEL_OPTION)
            file = null;
        else
            file = fileChooser.getSelectedFile();
    }

    private void createPlayer() {
        if (file == null)
            return;

        removePreviousPlayer();

        try {
            // create a new player and add listener
            player = Manager.createPlayer(file.toURL());
            player.addControllerListener(new EventHandler());
            player.start(); // start player
        } catch (Exception e) {
            JOptionPane.showMessageDialog(this, "Invalid file or location",
                    "Error loading file", JOptionPane.ERROR_MESSAGE);
        }
    }

    private void removePreviousPlayer() {
        if (player == null)
            return;

        player.close();

        Component visual = player.getVisualComponent();
        Component control = player.getControlPanelComponent();

        Container c = getContentPane();

        if (visual != null)
            c.remove(visual);

        if (control != null)
            c.remove(control);
    }

    public static void main(String args[]) {
        MediaPlayerDemo app = new MediaPlayerDemo();

        app.addWindowListener(new WindowAdapter() {
            public void windowClosing(WindowEvent e) {
                System.exit(0);
            }
        });
    }

    // inner class to handler events from media player
    private class EventHandler implements ControllerListener {
        public void controllerUpdate(ControllerEvent e) {
            if (e instanceof RealizeCompleteEvent) {
                Container c = getContentPane();
                c.setBackground(new Color(255, 255, 204));

                // load Visual and Control components if they exist
                Component visualComponent = player.getVisualComponent();

                if (visualComponent != null)
                    c.add(visualComponent, BorderLayout.CENTER);
                c.setBackground(new Color(255, 255, 204));
                Component controlsComponent = player.getControlPanelComponent();

                if (controlsComponent != null)
                    c.add(controlsComponent, BorderLayout.SOUTH);

                c.doLayout();
            }
        }
    }
}

Gracias