mdat (Media Data): Holds the actual video and audio payloads.
moov (Movie): Contains metadata about the media, such as timing and track information. 7311ec4d36f2e22759710f68b51f1725 mp4
The internal structure of an MP4 file consists of several critical components that define how the media is stored and played: mdat (Media Data): Holds the actual video and audio payloads