JMF做的播放器不能播放东西

Question

package du1;
import java.awt.*;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.io.IOException;

import java.net.MalformedURLException;

import java.net.URL;

import javax.media.*;

//@SuppressWarnings({ "restriction", "unused" })

public class JMFSample implements ControllerListener {

public static void main(String[] args) {

JMFSample sp = new JMFSample();

sp.play();

}

private Player mediaPlayer;  
private Frame f;  
private Player player;  
private Panel panel;  
private Component visual;  
private Component control = null;      
public void play(){  
    f = new Frame("JMF Sample1");  
    f.addWindowListener(new WindowAdapter() {  
        public void windowClosing(WindowEvent we) {  
            if(player != null) {  
                player.close();  
            }  
            System.exit(0);  
        }  
    });  
    f.setSize(500,400);  

    f.setVisible(true);  
    URL url = null;  
    try {  
        //准备一个要播放的视频文件的URL  
        url = new URL("file:/c:/Users/老太爷/Desktop/1.mpg");  
    } catch (MalformedURLException e) {  
        e.printStackTrace();  
    }         
    try {  
        //通过调用Manager的createPlayer方法来创建一个Player的对象  
        //这个对象是媒体播放的核心控制对象  
        player = Manager.createPlayer(url);  
    } catch (NoPlayerException e1) {  
        e1.printStackTrace();  
    } catch (IOException e1) {  
        e1.printStackTrace();  
    }   

    //对player对象注册监听器，能噶偶在相关事件发生的时候执行相关的动作  
    player.addControllerListener(this);  

    //让player对象进行相关的资源分配  
    player.realize();  
}  

private int videoWidth = 0;  
private int videoHeight = 0;  
private int controlHeight = 30;  
private int insetWidth = 10;  
private int insetHeight = 30;  

//监听player的相关事件  
public void controllerUpdate(ControllerEvent ce) {  
    if (ce instanceof RealizeCompleteEvent) {  
        //player实例化完成后进行player播放前预处理  
        player.prefetch();  
    } else if (ce instanceof PrefetchCompleteEvent) {  
        if (visual != null)  
            return;  

        //取得player中的播放视频的组件，并得到视频窗口的大小  
        //然后把视频窗口的组件添加到Frame窗口中，  
        if ((visual = player.getVisualComponent()) != null) {  
            Dimension size = visual.getPreferredSize();  
            videoWidth = size.width;  
            videoHeight = size.height;  
            f.add(visual);  
        } else {  
            videoWidth = 320;  
        }  

        //取得player中的视频播放控制条组件，并把该组件添加到Frame窗口中  
        if ((control = player.getControlPanelComponent()) != null) {  
            controlHeight = control.getPreferredSize().height;  
            f.add(control, BorderLayout.SOUTH);  
        }  

        //设定Frame窗口的大小，使得满足视频文件的默认大小  
        f.setSize(videoWidth + insetWidth, videoHeight + controlHeight + insetHeight);  
        f.validate();  

        //启动视频播放组件开始播放  
        player.start();  
        mediaPlayer.start();  
    } else if (ce instanceof EndOfMediaEvent) {  
        //当播放视频完成后，把时间进度条恢复到开始，并再次重新开始播放  
        player.setMediaTime(new Time(0));  
        player.start();  
    }  
}  

}

错误：
Failed to configure: com.sun.media.PlaybackEngine@17c0f21
Bad header in the media: Bad data

Error: Unable to realize com.sun.media.PlaybackEngine@17c0f21

Answer 1

没导入jmf的包吧，java的jdk里面没有这个包的