I have a background image that I want to be displayed, so I have a background image to display with a transparent part cut out.
This is according to the guidelines that the video lies behind the background image.
Problem I have is that Im trying to make the video to exactly fit through the transparent part but it never quite works correctly. For example if I shift the y part 5 pixels up I expect the vertical off set to move 5 pixels but it behaves weirdly and doesnt seem to resize properly???!!??