add braces around the single line condition

Made changes to constraints for chroma format and bit depth, according
to meeting notes on JVET-S0094.
Also added encoder and decoder side checks.

VUI modifications including VUI length, moving two flags from GCI to
VUI, reordering VUI variables to follow syntax elements

Constraint that no subpicture can be outside the conformance cropping
window + rewrite the conformance cropping window when extracting a
subpicture

Renumbering level according to major*16+minor*3, with maximum level now
15.5 (not 8.3).

Karsten Suehring authored 4 years ago and Frank Bossen committed 4 years ago

- also disable decoder conformance checks that fail for multi-layer streams apparently without valid reason
- rename Picture::layer to temporalId, because temporal ID is stored in this member variable

Document updated