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java调用摄像头并照相

www.myexceptions.net  网友分享于：2014-03-02  浏览：16次

java调用摄像头并拍照

最近在做jmf的视频通信项目，于是先找了个代码连接下摄像头；

要求：jmf包(最好包含5个原始包)

jmf安装(没有测试这个条件是否必要，我直接先安装了)

eclipse下运行

代码如下

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.event.ActionEvent;

import java.awt.event.ActionListener;

import java.awt.event.WindowAdapter;

import java.awt.event.WindowEvent;

import java.awt.image.BufferedImage;

import java.awt.image.RenderedImage;

import java.io.File;

import java.io.FileNotFoundException;

import java.io.FileOutputStream;

import java.io.IOException; import javax.imageio.ImageIO;

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.media.protocol.vfw.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();

System.out.println("ioe");

}

//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);

try {

ImageIO.write((RenderedImage) image, "jpg", new File("F:\\test.jpg"));

} catch (IOException e1) {

// TODO Auto-generated catch block

e1.printStackTrace();

}

}

// 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();

// }

//

// }

}

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