java使用电脑摄像头识别二维码

package com.pengo.capture;

import javax.swing.jframe;

import java.awt.borderlayout;

import java.awt.dimension;

import java.awt.graphics2d;

import java.awt.image.bufferedimage;

import java.io.inputstream;

import javax.media.medialocator;

import javax.swing.jpanel;

import javazoom.jl.player.player;

import com.google.zxing.binarybitmap;

import com.google.zxing.luminancesource;

import com.google.zxing.multiformatreader;

import com.google.zxing.result;

import com.google.zxing测试数据mon.hybridbinarizer;

import net.sf.fmj.ui.application.capturedevicebrowser;

import net.sf.fmj.ui.application.containerplayer;

import net.sf.fmj.ui.application.playerpanelprefs;

public class cameraframe2 extends jframe{

   private static int num = 0 ;

   public cameraframe2() throws exception{

    this .settitle( "摄像头截图应用" );

    this .setsize( 480 , 500 );

    this .setdefaultcloseoperation(jframe.exit_on_close);

    final jpanel camerapanel = new jpanel();

    this .getcontentpane().setlayout( new borderlayout());

    this .getcontentpane().add(camerapanel, borderlayout.center);

    containerplayer containerplayer = new containerplayer(camerapanel);

    medialocator locator = capturedevicebrowser.run( null ); //弹出摄像头设备选择

    playerpanelprefs prefs = new playerpanelprefs();

    containerplayer.setmedialocation(locator.toexternalform(), prefs.autoplay);

    new thread() {

     public void run() {

      while ( true ) {

       try {

       thread.sleep( 1000 );

        dimension imagesize = camerapanel.getsize();

        bufferedimage image = new bufferedimage(

          imagesize.width, imagesize.height,

          bufferedimage.type_int_argb);

        graphics2d g = image.creategraphics();

        camerapanel.paint(g);

        g.dispose();

        luminancesource source = new bufferedimageluminancesource(

          image);

        binarybitmap bitmap = new binarybitmap(

         new hybridbinarizer(source));

        result result;

        result = new multiformatreader().decode(bitmap);

        system.out.println( "二维码====:" + result.gettext());

        inputstream is = cameraframe. class .getclassloader().getresourceasstream( "resource/beep.mp3" );

        player player = new player(is);

        player.play();

       } catch (exception re) {

        re.printstacktrace();

       }

      }

     }

    }.start();

   }

   public static void main(string[] args) throws exception{

    cameraframe2 camera = new cameraframe2();

    camera.setvisible( true );

   }

  }