Support of opl-files for VVC conformance tests. If the -opl argument is not specified, VVC decoder behaviour is unchanged.

JVET-Q0110/Q0785: Enable Chroma BDPCM for 420 and Chroma BDPCM Fixes

See merge request jvet/VVCSoftware_VTM!1283

Sets CTC screen content config to use chroma BDPCM as in JVET-Q0785
Aligns Intra Prediction mode with BDPCM mode for chroma as in JVET-Q0110
Adds separate chroma contexts for BDPCM as in JVET-Q0110
Aligns signaling order for chroma BDPCM to match with Spec as in JVET-Q0351 and JVET-Q0785

JVET-Q0447: Encoder estimation of weighted prediction parameters

See merge request jvet/VVCSoftware_VTM!1275

Fix pps_cr_beta_offset_div2 compliance check after !1281

See merge request !1292

JVET-Q0512: encoder-side improvement on enabling chroma transform-skip for ACT

See merge request jvet/VVCSoftware_VTM!1287

JVET-Q0121: Deblocking control parameters

See merge request jvet/VVCSoftware_VTM!1281

Fix #840: apply boundary rules in CCALF encoder

See merge request !1288

The CCALF reconstruction function used by the encoder is separate
from the one used by the decoder. !1280 addressed issues in the
decoder. This commit addresses a similar issue in the encoder.

JVET-Q0446: MIP with constant shift and offset

See merge request jvet/VVCSoftware_VTM!1285

JVET-Q0787: Bug fix for subpicture width and height signalling

See merge request jvet/VVCSoftware_VTM!1278

JVET-Q0503/JVET-Q0712: Encoder only improvement and fix for palette mode

See merge request jvet/VVCSoftware_VTM!1279

JVET-Q0503: encoder only improvement (4 items) of palette mode
JVET-Q0712: fix palette encoder issue at high QPs. Fix on top of the optimized table in JVET-Q0503.

Fix #840: Use proper source buffer when boundaries are present

See merge request jvet/VVCSoftware_VTM!1280

JVET-Q0806: Geometric partitioning mode

See merge request jvet/VVCSoftware_VTM!1268

JVET-Q0156: Enable inter-layer prediction for STSA pictures

See merge request jvet/VVCSoftware_VTM!1247

fix the interaction between JVET_Q0784_LFNST_COMBINATION and JVET_Q0820_ACT/JVET_Q0695_CHROMA_TS_JCCR

See merge request jvet/VVCSoftware_VTM!1274

Fix Cross Component Alf APS activation after !1258

See merge request jvet/VVCSoftware_VTM!1276

Fix access to unitialized memory in xActivateParameterSets()
Allow change of CC Alf aps_id between slices

Avoid out of bounds access in deriveOutputLayerSet

See merge request jvet/VVCSoftware_VTM!1234

JVET-Q0775: Enable signalling of picture header in slice header

See merge request jvet/VVCSoftware_VTM!1255

fix the interaction between JVET_Q0784_LFNST_COMBINATION and JVET_Q0820_ACT/JVET_Q0695_CHROMA_TS_JCCR

JVET_Q0297: Merge estimation region

See merge request jvet/VVCSoftware_VTM!1270

JVET-Q0501: Palette predictor initialization from above CTU row in WPP

See merge request jvet/VVCSoftware_VTM!1271