=====drawing on movie playing in mediaplayer=====

Question

Hi expert: I am working on this for 2 weeks already. but still canot find solution.could any expert suggest solution? I am trying to draw on movie playing in mediaplayer. I can draw on empty mediaplayer. but when select movie, the draw graphic was hidden behind the movie. but i want to show the graphic on the movie, how can i achieve that? I know that is very diffcult problem. if u have knowledge on this scope, pls give me some ideas, as long as u think that will help me. very appreaciate for your contribution