使用Java调用摄像头进行拍照源码

使用Java调用摄像头进行拍照源码，并且有JMF下载地址。
JMF安装文件下载地址：
http://www.blackswansoft.com/songhaikang/files/myfile/Java Media Framework (JMF) API播放.rar

JMF驱动包下载地址：
http://www.blackswansoft.com/songhaikang/files/myfile/jmf.jar

更多优秀的Java案例，请到http://www.blackswansoft.com/去参考。

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Component;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Image;
import java.awt.Panel;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.awt.image.BufferedImage;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;

import javax.media.Buffer;
import javax.media.CannotRealizeException;
import javax.media.CaptureDeviceInfo;
import javax.media.CaptureDeviceManager;
import javax.media.Manager;
import javax.media.MediaLocator;
import javax.media.NoPlayerException;
import javax.media.Player;
import javax.media.control.FrameGrabbingControl;
import javax.media.format.VideoFormat;
import javax.media.util.BufferToImage;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;

import com.sun.image.codec.jpeg.ImageFormatException;
import com.sun.image.codec.jpeg.JPEGCodec;
import com.sun.image.codec.jpeg.JPEGEncodeParam;
import com.sun.image.codec.jpeg.JPEGImageEncoder;
//import com.sun.media.protocol.vfw.DataSource;
import com.sun.media.protocol.rtsp.DataSource;


public class FirstCapture extends JPanel implements ActionListener{

    private CaptureDeviceInfo captureDeviceInfo=null;
    private MediaLocator mediaLocator=null;
    private static Player player=null;
    private ImagePanel imagePanel=null;
    private JButton capture;
    private Buffer buffer=null;
    private VideoFormat videoFormat=null;
    private BufferToImage bufferToImage=null;
    private Image image=null;
  
    public FirstCapture()
    {
  
  
        setLayout(new BorderLayout());
        setSize(320,550);

        captureDeviceInfo=CaptureDeviceManager.getDevice("vfw:Microsoft WDM Image Capture (Win32):0"); //这里放置的是视频驱动
  
        mediaLocator=new MediaLocator("vfw://0"); //这里是视频地址
        imagePanel=new ImagePanel();
        capture=new JButton("拍照");
        capture.addActionListener(this);
        DataSource ds = new DataSource();
        ds.setLocator(mediaLocator);
        try {
            player=Manager.createRealizedPlayer(mediaLocator);
            player.start();
            Component comp;
            Component comp1;
            if((comp=player.getVisualComponent())!=null)
                add(comp,BorderLayout.NORTH);
//          if((comp1=player.getControlPanelComponent())!=null)
//              add(comp1,BorderLayout.CENTER);
        } catch (NoPlayerException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (CannotRealizeException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        add(imagePanel,BorderLayout.SOUTH);
        add(capture,BorderLayout.CENTER);
    }
    
    @Override
    public void print(Graphics g) {
        // TODO Auto-generated method stub
        super.print(g);
        g.setColor(new Color(255,0,0));
          g.drawLine(0, 0, 100, 100);
    }

    public static void main(String[] args) {
        // TODO Auto-generated method stub
        JFrame f = new JFrame("FirstCapture");
        FirstCapture cf = new FirstCapture();
        
        f.addWindowListener(new WindowAdapter() {
          public void windowClosing(WindowEvent e) {
          player.close();
          System.exit(0);}});
        
        f.add("Center",cf);
        f.pack();
        f.setSize(new Dimension(320,550));
        f.setVisible(true);
    }

    public void actionPerformed(ActionEvent e) {
        // TODO Auto-generated method stub
        FrameGrabbingControl fgc=(FrameGrabbingControl)player.getControl("javax.media.control.FrameGrabbingControl");
        buffer=fgc.grabFrame();
        bufferToImage=new BufferToImage((VideoFormat)buffer.getFormat());
        image=bufferToImage.createImage(buffer);
        imagePanel.setImage(image);
        saveImage(image,"D:/test.jpg");
    }
    public static void saveImage(Image image,String path)
    {
        BufferedImage bi=new BufferedImage(image.getWidth(null),image.getHeight(null),BufferedImage.TYPE_INT_RGB);
        Graphics2D g2 = bi.createGraphics();
        g2.drawImage(image, null, null);
        FileOutputStream fos=null;
        try {
                fos=new FileOutputStream(path);
            
        } catch (FileNotFoundException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        JPEGImageEncoder je=JPEGCodec.createJPEGEncoder(fos);
        JPEGEncodeParam jp=je.getDefaultJPEGEncodeParam(bi);
        jp.setQuality(0.5f, false);
        je.setJPEGEncodeParam(jp);
        try {
            je.encode(bi);
            fos.close();
        } catch (ImageFormatException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        
    }
    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);
          }
          
        }
      }
    

}


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