It seems like there was a misunderstanding in my previous response. I was supposed to provide an example of how to optimize video playback in an iOS app, but instead, I provided a large amount of unnecessary text.

Resolving Framework Issues with MPMoviePlayerController: A Guide for Universal App Development on iPhone OS 3.0 and 3.2

Playing Movie Files without File Extension on iOS using MPMoviePlayerController or AVPlayer: Overcoming the File Extension Limitation