Displaying a Moving Image with Video


You want to display a video file within a Java program.


Use the Java Media Framework (JMF), a standard extension.


Example 12-3 shows a program that displays a movie or other media file named on the command line. JMF is very flexible; this program will display (that is, play) an audio file with a volume control if the media object that you name contains a sound clip instead of a movie. Figure 12-4 shows JMFPlayer displaying a sound file and a movie.

JMFPlayer in action: audio (left), video (right)

Figure 12-4. JMFPlayer in action: audio (left), video (right)

Example 12-3. JMFPlayer.java

import com.darwinsys.util.WindowCloser; 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. */ 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. ...

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