import flash.display.BitmapData;
import flash.display.DisplayObject;
var cam:Camera = Camera.getCamera();
video_vobj.attachCamera(cam);
stage.addEventListener(MouseEvent.CLICK, takephoto);
var screenS:BitmapData = new BitmapData(cam.width, cam.height);
var screenS_image:Bitmap=new Bitmap(screenS);
function takephoto(e:MouseEvent):void {
screenS.draw(video_vobj) ;
addChild(screenS_image) ;
}