- Fix overlap in context between the bi-pred flag for 8x8 CUs and the L0/L1 flag for all size CUs.

Allow signaling of HRD parameters for temporal sub-layers to be optionally controlled by a flag

JVET-N0867: Added check to confirm that the GOP size and picture order fullfils the configured DetlaTimes. If not DeltaTimes in BP and picture Timing are not used.

Will slightly impact CTCs, especially at low QPs.

JVET-O0236 Removal of a parsing dependency

When the brick_splitting_present_flag is equal to 1, the value of rect_slice_flag shall be equal to 1.

Replacing num_brick_rows_minus1 with num_brick_rows_minus2

The fix was confirmed as part of the specification.

 The following fixes has been made:

   - Removed prefixes like 'i' for new variables

   - Adding braces also for if-clauses with a single statement

   - Removed some trailing spaces

   - Changed variable precedingDRAP in Picture from int to bool

When calling pcPicCurr->finalInit() pointers to LMCS APS or Scalining List APS
can be zero. Dereferencing those is undefined. It's also not necessary, because
the arguments passed as reference are later converted to pointers again.

Implement option B for NAL unit header syntax.
NOTE: Neither the JVET-O0129-v2 or the JVET-O2001-vEJVET-O2001-vE documents specify a nal unit type NAL_UNIT_VPS, and this nal unit type is required. In this implementation NAL_UNIT_VPS is defined to be 25.

 Implementation of the Dependent RAP indication SEI message. Pictures are marked as DRAP pictures using the encoder config parameter DRAPPeriod, which sets DRAP pictures periodically. Conformance checks are performed at the decoder side to verify that the DRAP pictures follow the constraints in the VVC specification.