Pull information from MP4 metadata. Data isn't returned yet, nor is it in a usable configuration. Only translates:
- ftyp
- moov
- mdat
- mvhd
- trak
- tkhd
- mdia
- mdhd
- hdlr
- minf
- vmhd
- smhd
- dinf
- stbl
- dref
- url
- stts
- ctts
- stss
- stsz
- stsc
- stco
- sdtp
- stsd
- free
- edts
- udta
The following types are recognized but not translated in any way:
- meta
- elst
- wide
- iods
- SDLN