将播放器UIView调整为全屏（从表头）

I have to implement a few different players to my app (Vimeo, AOL..). I'm adding players to uiview (inside a table header) and I have to implement custom full screen button on the top of the player, but I cannot change size of the view to be a full screen size, bigger than the size of the table header (player parent). I can go to parent VC, remove player, add it to parent VC with with new size. Do you know how, for e.g. YT player can go to the full screen size even if it is a uiview? How can YT player uiview become bigger than a parent uiview?I have to implement a few different players to