ftyp (File Type): Identifies the file brand and compatibility.
mdat (Media Data): Holds the actual video and audio payloads. 7311ec4d36f2e22759710f68b51f1725 mp4
While MP4 is a container, it typically uses the H.264 (AVC) or MPEG-4 codec for video and AAC for audio. How to Open and Play MP4 Files ftyp (File Type): Identifies the file brand and