Java/Development Class/Media

Demonstrate simple code to play a movie with Java Media Framework

/*
 * Copyright (c) Ian F. Darwin, http://www.darwinsys.ru/, 1996-2002.
 * All rights reserved. Software written by Ian F. Darwin and others.
 * $Id: LICENSE,v 1.8 2004/02/09 03:33:38 ian Exp $
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS""
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 * 
 * Java, the Duke mascot, and all variants of Sun"s Java "steaming coffee
 * cup" logo are trademarks of Sun Microsystems. Sun"s, and James Gosling"s,
 * pioneering role in inventing and promulgating (and standardizing) the Java 
 * language and environment is gratefully acknowledged.
 * 
 * The pioneering role of Dennis Ritchie and Bjarne Stroustrup, of AT&T, for
 * inventing predecessor languages C and C++ is also gratefully acknowledged.
 */
import java.applet.*;
import java.awt.*;
import javax.swing.*;
import java.net.*;
import java.io.*;
import java.util.*;
import javax.media.*;
/**
 * Demonstrate simple code to play a movie with Java Media Framework.
 * 
 * @author Ian F. Darwin, http://www.darwinsys.ru/
 * @version $Id: JMFPlayer.java,v 1.9 2004/02/09 03:21:20 ian Exp $
 */
public class JMFPlayer extends JPanel implements ControllerListener {
  /** The player object */
  Player thePlayer = null;
  /** The parent Frame we are in. */
  JFrame parentFrame = null;
  /** Our contentpane */
  Container cp;
  /** The visual component (if any) */
  Component visualComponent = null;
  /** The default control component (if any) */
  Component controlComponent = null;
  /** The name of this instance"s media file. */
  String mediaName;
  /** The URL representing this media file. */
  URL theURL;
  /** Construct the player object and the GUI. */
  public JMFPlayer(JFrame pf, String media) {
    parentFrame = pf;
    mediaName = media;
    // cp = getContentPane();
    cp = this;
    cp.setLayout(new BorderLayout());
    try {
      theURL = new URL(getClass().getResource("."), mediaName);
      thePlayer = Manager.createPlayer(theURL);
      thePlayer.addControllerListener(this);
    } catch (MalformedURLException e) {
      System.err.println("JMF URL creation error: " + e);
    } catch (Exception e) {
      System.err.println("JMF Player creation error: " + e);
      return;
    }
    System.out.println("theURL = " + theURL);
    // Start the player: this will notify our ControllerListener.
    thePlayer.start(); // start playing
  }
  /** Called to stop the audio, as from a Stop button or menuitem */
  public void stop() {
    if (thePlayer == null)
      return;
    thePlayer.stop(); // stop playing!
    thePlayer.deallocate(); // free system resources
  }
  /** Called when we are really finished (as from an Exit button). */
  public void destroy() {
    if (thePlayer == null)
      return;
    thePlayer.close();
  }
  /** Called by JMF when the Player has something to tell us about. */
  public synchronized void controllerUpdate(ControllerEvent event) {
    // System.out.println("controllerUpdate(" + event + ")");
    if (event instanceof RealizeCompleteEvent) {
      if ((visualComponent = thePlayer.getVisualComponent()) != null)
        cp.add(BorderLayout.CENTER, visualComponent);
      if ((controlComponent = thePlayer.getControlPanelComponent()) != null)
        cp.add(BorderLayout.SOUTH, controlComponent);
      // re-size the main window
      if (parentFrame != null) {
        parentFrame.pack();
        parentFrame.setTitle(mediaName);
      }
    }
  }
  public static void main(String[] argv) {
    JFrame f = new JFrame("JMF Player Demo");
    Container frameCP = f.getContentPane();
    JMFPlayer p = new JMFPlayer(f,
        argv.length == 0 ? "file:///C:/music/midi/beet5th.mid"
            : argv[0]);
    frameCP.add(BorderLayout.CENTER, p);
    f.setSize(200, 200);
    f.setVisible(true);
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
  }
}