Missing boxes (parent issue) #116
Description
Checking against the MPEG file format conformance corpus, we're missing at least these boxes:
- agsm
- ainf
- avc2
- depi
- hev2
- hvc2
- hmhd
- iods
- lhvC
- mp4v
- mvc1
- pssh
- resv
- rtng
- samr
- sdtp
- stpp
- tapt
- tref
- wvtt
(checked means there is a child issue describing it, not that its done)