Question About MP4(AAC) Binary Tree
- by DeanMc
I'm in the very early stages of working on a tag editor for mp4 files and more specifically iTunes AAC ones. After doing some snooping around it seems that the file's structure is not as complicated as I first thought and is built in a sort of tree like the following
4 Bytes [Atom Length] 4 Bytes [Atom Name] X Bytes [Atom Data]
An atom's data is as large as the length and can contain either Data(information) or another atom. What I am trying to work out is how one determines if the data is information or an actual atom. Any insight would be much appreciated.