Here is a list of all topics with brief descriptions:

Meta data functions	These functions allow you to manage meta boxes (atoms) at file, movie, and track level, and the items they contain
Data Types	Data types used within the API
Utility functions	Utility functions which help to operate with data
Movie related functions	Functions to operate with ISOMovie/MP4Movie objects
Track related functions	Functions to operate with ISOTrack/MP4Track objects
Media related functions	Functions to operate with ISOMedia/MP4Media objects
Sync layer functions	MPEG sync layer functions
Sample Description functions	Sample Description functions, General, AVC, Metadata, etc
Track reader functions	Track readers are objects that allow you to easily read sequential samples or access units from a movie track
Sample Auxiliary Information	MPEG sample auxiliary information functions
User data functions	These functions allow you to access and manipulate track and movie user data
SLConfig functions	MPEG SLConfig functions
MPEG 4 IPMPX related functions	MPEG 4 IPMPX related functions
ISMACrypt Support	ISMACrypt Support