jmf天昏地暗之路（三）抓取当前帧照片并保存为bmp格式(结束)

断断续续弄了差不多两个星期，终于把这个弄好了，在我的电脑上以及朋友的xp系统上测试成功！

下面不多说，直接上代码。

说明：电脑必须装好jmf，并且用JMStudio能正常打开摄像头，否则运行不了，具体是什么原因我也不太清楚。

//已成功实现功能，获取当前摄像头并且拍照。
//照片存在E：\photo目录下

import java.awt.Component;
import java.awt.FlowLayout;
import java.awt.Image;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.image.RenderedImage;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.util.Date;

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.jai.codec.BMPEncodeParam;
import com.sun.media.jai.codec.ImageCodec;
import com.sun.media.jai.codec.ImageEncoder;

public class CapturePicture extends JFrame implements ActionListener{

private static CapturePicture jframe=new CapturePicture();
private JPanel showPhone=new JPanel();//用来接受摄像头数据
private JPanel bpanel=new JPanel();
private JButton button=new JButton(“拍照”);
//摄像头驱动
private CaptureDeviceInfo captureDeviceInfo=null;
private MediaLocator mediaLocator=null;
private static Player player=null;
private Buffer buffer=null;
private VideoFormat videoFormat=null;
private BufferToImage bufferToImage=null;
private Image image=null;

//构造器
private CapturePicture()
{

}
protected void Init()
{
jframe.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
jframe.setBounds(200,100,600,600);
jframe.setVisible(true);
jframe.setTitle(“拍照小程序”);
jframe.setResizable(true);
jframe.setLayout(null);//绝对布局
jframe.add(showPhone);
jframe.add(bpanel);
bpanel.setBounds(0,500,100,100);
bpanel.setLayout(new FlowLayout(FlowLayout.CENTER,10,10));
bpanel.add(button);
button.addActionListener(this);

String str=”vfw:Microsoft WDM Image Capture (Win32):0”;
captureDeviceInfo=CaptureDeviceManager.getDevice(str);
mediaLocator=new MediaLocator(“vfw://0”);

try {
player=Manager.createRealizedPlayer(mediaLocator);
player.start();
Component comp;
if((comp=player.getVisualComponent())!=null)
comp.setBounds(0, 0, 700, 500);
this.add(comp);

} 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();
}
//创建照片所用的文件夹
File photo=new File(“E:\\“,”photo”);
photo.mkdir();

}

public static CapturePicture getCP()
{
return jframe;
}
//获取照片
private void takePhoto()
{
//获取照片
FrameGrabbingControl fgc=(FrameGrabbingControl)player.getControl(“javax.media.control.FrameGrabbingControl”);
buffer=fgc.grabFrame();
bufferToImage=new BufferToImage((VideoFormat)buffer.getFormat());
image=bufferToImage.createImage(buffer);
OutputStream out=null;
Date date=new Date();
Long dtime=date.getTime();

try {
out=new FileOutputStream(“E:\\photo\\“+dtime+”.BMP”);
} catch (FileNotFoundException e) {
// TODO Auto-generated catch block

e.printStackTrace();
}
//可能是改参数的地方
BMPEncodeParam param = new BMPEncodeParam();
ImageEncoder enc = ImageCodec.createImageEncoder(“BMP”, out, param);
try {
enc.encode((RenderedImage) image);
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
try {
out.close();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}

}

public static void main(String args[])
{
CapturePicture cp=CapturePicture.getCP();
cp.Init();
}
@Override
public void actionPerformed(ActionEvent arg0) {
// TODO Auto-generated method stub
takePhoto();

}

}

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