import javax.swing.*;
import java.io.*;
import javax.media.*;
import javax.media.format.*;
import javax.media.util.*;
import javax.media.control.*;
import java.awt.*;
import java.awt.image.*;
import java.awt.event.*;
import com.sun.image.codec.jpeg.*;
 
public class SwingCapture extends Panel implements ActionListener
{
  public static Player player = null;
  public CaptureDeviceInfo di = null;
  public MediaLocator ml = null;
  public JButton capture = null;
  public Buffer buf = null;
  public Image img = null;
  public VideoFormat vf = null;
  public BufferToImage btoi = null;
  public ImagePanel imgpanel = null;
 
  public SwingCapture()
  {
    setLayout(new BorderLayout());
    setSize(320,550);
 
    imgpanel = new ImagePanel();
    capture = new JButton("Capture");
    capture.addActionListener(this);
 
    String str1 = "vfw:Logitech USB Video Camera:0";
    String str2 = "vfw:Microsoft WDM Image Capture (Win32):0";
    di = CaptureDeviceManager.getDevice(str1);
    ml = di.getLocator();
 
    try
    {
      player = Manager.createRealizedPlayer(ml);
      player.start();
      Component comp;
 
      if ((comp = player.getVisualComponent()) != null)
      {
        add(comp,BorderLayout.NORTH);
      }
      add(capture,BorderLayout.CENTER);
      add(imgpanel,BorderLayout.SOUTH);
    }
    catch (Exception e)
    {
      e.printStackTrace();
    }
  }
 
  public static void main(String[] args)
  {
    Frame f = new Frame("SwingCapture");
    SwingCapture cf = new SwingCapture();
 
    f.addWindowListener(new WindowAdapter() {
      public void windowClosing(WindowEvent e) {
      playerclose();
      System.exit(0);}});
 
    f.add("Center",cf);
    f.pack();
    f.setSize(new Dimension(320,550));
    f.setVisible(true);   
 
  }
 
 
  public static void playerclose()
  {
    player.close();
    player.deallocate();
  }
 
  public void actionPerformed(ActionEvent e)
  {
    JComponent c = (JComponent) e.getSource();
 
    if (c == capture)
    {
      // Grab a frame
      FrameGrabbingControl fgc = (FrameGrabbingControl)
      player.getControl("javax.media.control.FrameGrabbingControl");
      buf = fgc.grabFrame();
 
      // Convert it to an image
      btoi = new BufferToImage((VideoFormat)buf.getFormat());
      img = btoi.createImage(buf);
 
      // show the image
      imgpanel.setImage(img);
 
      // save image
      saveJPG(img,"c:\\test.jpg");
    }
  }
 
  class ImagePanel extends Panel
  {
    public Image myimg = null;
 
    public ImagePanel()
    {
      setLayout(null);
      setSize(320,240);
    }
 
    public void setImage(Image img)
    {
      this.myimg = img;
      repaint();
    }
 
    public void paint(Graphics g)
    {
      if (myimg != null)
      {
        g.drawImage(myimg, 0, 0, this);
      }
    }
  }
 
  public static void saveJPG(Image img, String s)
  {
    BufferedImage bi = new BufferedImage(img.getWidth(null), img.getHeight(null), BufferedImage.TYPE_INT_RGB);
    Graphics2D g2 = bi.createGraphics();
    g2.drawImage(img, null, null);
 
    FileOutputStream out = null;
    try
    {
      out = new FileOutputStream(s);
    }
    catch (java.io.FileNotFoundException io)
    {
      System.out.println("File Not Found");
    }
 
    JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(out);
    JPEGEncodeParam param = encoder.getDefaultJPEGEncodeParam(bi);
    param.setQuality(0.5f,false);
    encoder.setJPEGEncodeParam(param);
 
    try
    {
      encoder.encode(bi);
      out.close();
    }
    catch (java.io.IOException io)
    {
      System.out.println("IOException");
    }
  }
 
}

ml = di.getLocator();