go to your movie clip and set following properties

 
var myMovieClip:MovieClip = new MPlayer();
    addChild(myMovieClip);
    myMovieClip.x = 10;
    myMovieClip.y =30;
    myMovieClip.Sharakuplayer.source = videoFileName;
    myMovieClip.addEventListener(MouseEvent.MOUSE_DOWN, mouseDownDragger);
    myMovieClip.addEventListener(MouseEvent.MOUSE_UP, mouseUpDragger);
}
function mouseDownDragger(e:MouseEvent):void
{
e.currentTarget.startDrag();
}
function mouseUpDragger(e:MouseEvent):void
{
e.currentTarget.stopDrag();
}