jmfplayer.java

jmf拍照程序。开发环境是eclipse

package video;

import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.*;
import java.net.*;
import javax.media.*;
import javax.media.control.FrameGrabbingControl;
import javax.media.format.VideoFormat;
import javax.media.util.BufferToImage;

/**
 * Demonstrate simple code to play a movie with Java Media Framework.
 * 
 * @author Ian F. Darwin, http://www.darwinsys.com/
 * @version $Id: JMFPlayer.java,v 1.9 2004/02/09 03:21:20 ian Exp $
 */
public class JMFPlayer extends JPanel implements ControllerListener {

  
  JFrame parentFrame = null;
  Container cp;
  Component visualComponent = null;
  Component controlComponent = null;
  String mediaName;
 
  Player thePlayer = null;
  private   CaptureDeviceInfo   di = null;   
  private   MediaLocator   ml  =  null; 
  String   str2="vfw:Microsoft WDM Image Capture (Win32):0";
  
  private JButton capture=new JButton("capture");
  private Buffer buf = null;
  private BufferToImage btoi = null;
  private ImageCapture imageCapture = null;
  private  Image img = null;
 

public JMFPlayer(JFrame pf) {
    parentFrame = pf;

    
    cp = this;
    cp.setLayout(new BorderLayout());
    capture.addActionListener(bcp);
    cp.add(BorderLayout.NORTH,capture);
    try {
     
    	di   =   CaptureDeviceManager.getDevice(str2);
    	System.out.println(di);
    	ml   =   di.getLocator();
    	thePlayer = Manager.createPlayer(ml);
    	thePlayer.addControllerListener(this);
    } catch (MalformedURLException e) {
    	System.err.println("JMF URL creation error: " + e);
    } catch (Exception e) {
    	System.err.println("JMF Player creation error: " + e);
      return;
    }
   

    thePlayer.start(); // start playing
   

  }

	BCP bcp=new BCP();
	
	class  BCP implements ActionListener{

		public void actionPerformed(ActionEvent e) {
			FrameGrabbingControl fgc =(FrameGrabbingControl)thePlayer.getControl("javax.media.control.FrameGrabbingControl");
			buf = fgc.grabFrame(); // 获取当前祯并存入Buffer类
			btoi = new BufferToImage((VideoFormat) buf.getFormat());
			img = btoi.createImage(buf); // show the image 
			imageCapture=new ImageCapture(img);
		}
		
	}
  public void stop() {
    if (thePlayer == null)
    	return;
    thePlayer.stop(); 
    thePlayer.deallocate(); 
  }

  public void destroy() {
    if (thePlayer == null)
    	return;
    thePlayer.close();
  }

  public synchronized void controllerUpdate(ControllerEvent event) {
  
    if (event instanceof RealizeCompleteEvent) {
    	if ((visualComponent = thePlayer.getVisualComponent()) != null)
    		cp.add(BorderLayout.CENTER, visualComponent);
    	if ((controlComponent = thePlayer.getControlPanelComponent()) != null)
    		cp.add(BorderLayout.SOUTH, controlComponent);
  
    	if (parentFrame != null) {
    		parentFrame.pack();
    		parentFrame.setTitle(mediaName);
      }
    }
  }

  public static void main(String[] argv) {
    JFrame f = new JFrame("JMF Player Demo");
    
    Container frameCP = f.getContentPane();
    
    JMFPlayer p = new JMFPlayer(f);
    
    frameCP.add(BorderLayout.CENTER, p);
    
    f.setSize(300, 300);
    f.setVisible(true);
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
  }
}