Warning: This only works if the .m4s file is "initialized" properly (contains the necessary metadata headers). If the file is a middle chunk of a stream, renaming it usually won't work.
This is the story of how a single movie is broken into thousands of tiny pieces to ensure you never see a "buffering" wheel again. The Problem: The One-Size-Fits-All Movie Imagine you are trying to watch a high-definition movie on your phone while riding a train. At first, you have great 5G, and the movie looks crisp. But as the train enters a tunnel, your signal drops. In the old days of the internet, the video would simply stop. You’d be stuck waiting for a giant 2GB file to download over a tiny, struggling connection. The Solution: Enter the .m4s File To fix this, engineers created a system called .m4s video