capture_mc.buttonMode = true;

capture_mc.addEventListener(MouseEvent.CLICK,captureImage);

 

function captureImage(e:MouseEvent):void {

                bitmapData.draw(video);

}

 

var myTimer:Timer = new Timer(1000);

myTimer.addEventListener(TimerEvent.TIMER, timerListener);

 

function timerListener (e:TimerEvent):void {

        bitmapData.draw(video);

}