Flash高级应用：用AS3调用摄像头

package {
    import FLASH.display.Sprite;
    import flash.text.*;
    import flash.media.Camera;
    import flash.events.StatusEvent;
    import flash.events.ActivityEvent;
    import flash.media.Video;

    public class CameraEx extends Sprite
    {
        private var label:TextField;
        private var camera:Camera;
        
        public function CameraEx()
        {
            label=addLabel("CameraEx");
            
            camera=Camera.getCamera();
            
            if(camera!=null){
                camera.addEventListener(StatusEvent.STATUS,statusHandler);
                camera.addEventListener(ActivityEvent.ACTIVITY,activityHandler);
                
                var video:Video=new Video(200,200);
                video.attachCamera(camera);
                addChild(video);