musicprocess.java

实现了打开文件并添加到列表以及播放、暂停、停止、前进、后退的功能、如果播放视频文件会弹出另一个播放窗口。

//第二个文件 
import java.io.*; 
import java.util.*; 
import java.net.*; 
import javax.media.*; 
import java.awt.*; 
class MusicProcess implements Runnable,ControllerListener 
{ 
public static Player play; 
Component vc,cc; 
VideoFrame vf; 
String filename=null; 
public void MusicPlay() 
{ 
try 
{ 
if(SSMediaPlayer.staus==0) 
{ 
filename=SSMediaPlayer.list.getSelectedItem(); 
} 
else 
{ 
filename=(String)SSMediaPlayer.v.get(SSMediaPlayer.list.getSelectedIndex()+1); 
} 
File f=new File(filename); 
URL url=f.toURL(); 
play=Manager.createPlayer(url); 
if(play!=null&&SSMediaPlayer.play==true) 
{ 
play.start(); 
} 
play.addControllerListener(this); 
} 
catch(Exception e) 
{ 
e.printStackTrace(); 
} 
} 
public void controllerUpdate(ControllerEvent evideo) 
{ 
if(evideo instanceof RealizeCompleteEvent) 
{ 
vc=play.getVisualComponent(); 
if(vc!=null) 
{ 
vf=new VideoFrame(); 
vf.add(vc,"Center"); 
} 
else 
{ 
vf.setVisible(false); 
} 
} 
} 
public synchronized void run() 
{ 
MusicPlay(); 
} 
}