使用Java调用摄像头进行拍照源码

左手的ㄟ右手 2022-08-07 02:53 124阅读 0赞

### [使用Java调用摄像头进行拍照源码][Java] ###

**文章分类:[Java编程][Java 1]**

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][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][http_www.blackswansoft.com_songhaikang_files_myfile_jmf.jar]  
  
更多优秀的Java案例，请到 [http://www.blackswansoft.com/][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);  
          \}  
            
        \}  
      \}  
      
  
\}

[Java]: http://songhaikang.iteye.com/blog/1063288
[Java 1]: http://www.iteye.com/blogs/category/java
[http_www.blackswansoft.com_songhaikang_files_myfile_Java]: http://www.blackswansoft.com/songhaikang/files/myfile/Java
[http_www.blackswansoft.com_songhaikang_files_myfile_jmf.jar]: http://www.blackswansoft.com/songhaikang/files/myfile/jmf.jar
[http_www.blackswansoft.com]: http://www.blackswansoft.com/