: Separate streams for video (often H.264/AVC) and audio (often AAC).
If you are analyzing the "pieces" of an MP4 container, it typically consists of: g60112.mp4
However, if your goal is to "produce a piece" (such as a video edit, an article, or a technical analysis) based on an MP4 file, you can use the following standard methods to break it down or process it: Ways to "Produce a Piece" from an MP4 : Separate streams for video (often H
: You can use libraries like moviepy to automate the production of smaller clips based on specific timestamps. Common Technical Specifications it typically consists of: However
: In fragmented MP4s, the file is broken into "moof" (movie fragment) and "mdat" (media data) boxes to allow for immediate playback.