问通过socket传输视频并从客户端播放

EN

        //Receive request from client.
     Socket client=serversocket.accept();
     System.out.println("accept");

     //Receive client message.
     BufferedReader in=new BufferedReader(new InputStreamReader(client.getInputStream()));
     String str=in.readLine();
     System.out.println("read:"+str);

     //Send message to client.
     //PrintWriter out=new PrintWriter(new BufferedWriter(new OutputStreamWriter(client.getOutputStream())),true);
     //out.println("server message");
     FileInputStream fis=new FileInputStream("/sdcard/toystory3.3gp");
     byte buffer[]=new byte[2000];
     fis.read(buffer,0,20);
     DataOutputStream out=new DataOutputStream(client.getOutputStream());
     out.write(buffer,0,20);
     in.close();
     out.close();
     client.close();
     System.out.println("close");

 Socket socket=new Socket("127.0.0.1",4444);
 String message="Initial"+"\r\n";
 //Send message to server.
 PrintWriter out=new PrintWriter(new BufferedWriter(new OutputStreamWriter(socket.getOutputStream())),true);
 out.println(message);

 //Receive message from server.
 BufferedReader br=new BufferedReader(new InputStreamReader(socket.getInputStream()));
 String msg=br.readLine();
 //ParcelFileDescriptor pfd=ParcelFileDescriptor.fromSocket(socket);
 //MediaPlayer m=new MediaPlayer();
 //m.setDataSource(pfd.getFileDescriptor());
 //m.prepare();
 //m.start();

 if(msg!=null)
 {
  System.out.println("Data received.");
  System.out.println(msg);
 }
 else
 {
  System.out.println("Data not received.");
 }
 out.close();
 br.close();
 socket.close();