Java示例非常简单的播放器（JMF）

Posted 2021-02-27

package org.jmf.example;
 
import javax.swing.JDialog;
import javax.swing.JFrame;
import javax.swing.UIManager;
import javax.swing.UnsupportedLookAndFeelException;
import javax.swing.plaf.metal.MetalLookAndFeel;
 
public class ExampleJMF
{
	public static void main(String[] args)
	{
		JFrame.setDefaultLookAndFeelDecorated(true); 
		JDialog.setDefaultLookAndFeelDecorated(true);
 
		try
		{
			UIManager.setLookAndFeel(new MetalLookAndFeel());
		}
		catch(UnsupportedLookAndFeelException e)
		{
			e.printStackTrace();
		}
 
		new exampleFrame();
	}
}
 
 
package org.jmf.example;
 
import java.awt.Toolkit;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
 
import javax.swing.JFrame;
 
public class exampleFrame extends JFrame
{
	private static final long serialVersionUID = 1L;
 
	public exampleFrame()
	{
		super("JMF - Example...");
 
		setSize(400, 300);
		setLocation((Toolkit.getDefaultToolkit().getScreenSize().width - getWidth())/2, (Toolkit.getDefaultToolkit().getScreenSize().height - getHeight())/2);
 
		addWindowListener(new WindowAdapter()
		{
			public void windowClosing(WindowEvent evt)
			{
				System.exit(0);
			}
		});
 
		setContentPane(new examplePanel());
		setVisible(true);
	}
}
 
 
package org.jmf.example;
 
import java.awt.Component;
import java.awt.Graphics;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URL;
 
import javax.media.ControllerEvent;
import javax.media.ControllerListener;
import javax.media.Manager;
import javax.media.NoPlayerException;
import javax.media.Player;
import javax.media.RealizeCompleteEvent;
import javax.swing.JPanel;
 
public class examplePanel extends JPanel implements ActionListener, ControllerListener
{
	private static final long serialVersionUID = 1L;
 
	private Component visualComponent;
	private Player player;
 
	public examplePanel()
	{
		try
		{
			player = Manager.createPlayer(new URL("file:///tmp/a.mpg"));
			player.addControllerListener(this);
 
			player.start();
		}
		catch(NoPlayerException e)
		{
			e.printStackTrace();
		}
		catch(MalformedURLException e)
		{
			e.printStackTrace();
		}
		catch(IOException e)
		{
			e.printStackTrace();
		}
	}
 
	public void paintComponent(Graphics g)
	{
		super.paintComponent(g);
	}
 
	public void actionPerformed(ActionEvent e)
	{
 
	}
 
	public void controllerUpdate(ControllerEvent c)
	{
		if(player == null)
			return;
 
		if(c instanceof RealizeCompleteEvent)
		{
			if((visualComponent = player.getVisualComponent()) != null)
				add(visualComponent);
		}
	}
}