JMFPlayerpublic class JMFPlayer extends JPanel implements ControllerListener| Demonstrate simple code to play a movie with Java Media Framework. |
| Fields Summary |
|---|
| Player | thePlayerThe player object | | JFrame | parentFrameThe parent Frame we are in. | | Container | cpOur contentpane | | Component | visualComponentThe visual component (if any) | | Component | controlComponentThe default control component (if any) | | String | mediaNameThe name of this instance's media file. | | URL | theURLThe URL representing this media file. |
| Constructors Summary |
|---|
public JMFPlayer(JFrame pf, String media)Construct the player object and the GUI.
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
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| Methods Summary |
|---|
| public synchronized void | controllerUpdate(javax.media.ControllerEvent event)Called by JMF when the Player has something to tell us about.
// 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 void | destroy()Called when we are really finished (as from an Exit button).
if (thePlayer == null)
return;
thePlayer.close();
| | public static void | main(java.lang.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);
| | public void | stop()Called to stop the audio, as from a Stop button or menuitem
if (thePlayer == null)
return;
thePlayer.stop(); // stop playing!
thePlayer.deallocate(); // free system resources
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