This question above is typically asked by customers who have experience with the YouTube embedded player. It's also related to the following questions:
It is not legal to embed YouTube videos inside any video player, and overlay any custom UI elements. You can not use the YouTube embedded player inside THEOplayer.
You must not display overlays, frames, or other visual elements in front of any part of a YouTube embedded player, including player controls. Similarly, you must not use overlays, frames or other visual elements to obscure any part of an embedded player, including player controls.