I want to use the markerfor playing a video using the 
jmf.Suppose my video length is of 2 hours.I want it to play 
ex-15 mintue or 20 mintue and should stop after assigning 
the time.I am providing my piece of code............please 
help me....
package com.jha.cdac.lila.praveen;

import java.awt.BorderLayout;
import java.awt.Component;
import java.awt.Container;
import java.awt.Dimension;
import java.awt.Toolkit;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.io.File;
import java.net.URL;

import javax.media.ControllerAdapter;
import javax.media.Manager;


/**
 *
 * @author vinays
 */
import javax.media.Player;
import javax.media.RealizeCompleteEvent;
import javax.media.Time;
import javax.swing.JFrame;
public class PlayVideo extends javax.swing.JFrame{

    Player player;
    Component center;
    Component south;



// this code is required for playing the video file of 
mpeg,mp4,mp3,3gp,rm,flv,
    //wmf,mpv,vob,qt and the asf extension
      public PlayVideo() {
      
     File file = new File("Lesson1.mpg");
      
        try {
           load(file);
          //  load()
        }
        catch (Exception ex) {
            //Logger.getLogger(LessonNarrative.class.getName
()).log(Level.SEVERE, null, ex);
            System.out.println("Error while loading 
file............"+ex);
        }
      }
      

    //the piece of code given below is used to load the 
file which user want to play.
    public void load(final File file) //load the file
        throws Exception {    
      URL url = file.toURL();
      final Container contentPane =
        getContentPane();
      if (player != null) {

          player.stop();

      }
      // MediaLocator mediaLocator=new MediaLocator
(file.toURL());
     //  DataSource dataSource=Manager.createDataSource
(mediaLocator);
    //   player=Manager.createPlayer(url);
    player = Manager.createRealizedPlayer(url);
       ControllerAdapter listener = new ControllerAdapter() 
{
            @Override
            public void realizeComplete(
            RealizeCompleteEvent event) {
            Component vc =   player.getVisualComponent();
           player.getVisualComponent();
          if (vc != null) {
            contentPane.add(vc,
              BorderLayout.CENTER);
            center = vc;
          } else {
            if (center != null) {
              contentPane.remove(center);
              
              contentPane.validate();
            }
          }
          Component cpc = player.getControlPanelComponent();
          if (cpc != null) {
            contentPane.add(cpc,
              BorderLayout.SOUTH);
            south=cpc;
          } else
          {
            if (south != null) {
              contentPane.remove(south);
              contentPane.validate();
            }
          }
          pack();
//          //setTitle(file.getName());   //to get the 
title of Video or Audio File
       }
      };
       
   
   
   
 Time tm=new Time(30.4402403);
 Time tm1=new Time(5.7256199);
      player.addControllerListener(listener);
      player.setMediaTime(tm1);


       player.setStopTime(tm);
    // player.setMediaTime(new Time(5.0));
     //player.setStopTime(new Time(73));
      player.realize();
      player.start();


       
           }

    public static void main(String args[]) throws 
ClassNotFoundException {
      PlayVideo pv = new PlayVideo();
      
      JFrame f = new JFrame("Lesson1");
       f.addWindowListener(new WindowAdapter() {
            @Override
            public void windowClosing(WindowEvent e) { 
System.exit(0); }
        });
        f.getContentPane().add("Center", pv);
        f.pack();
     Dimension screenSize = Toolkit.getDefaultToolkit
().getScreenSize();
        int w = 420;
        int h = 140;
        pv.setLocation(screenSize.width/2 - w/2, 
screenSize.height/2 - h/2);
        pv.setSize(w, h);
        pv.setVisible(true);
 }