Merge branch 'fix_scaling_list_default_dc' into 'master'

Fix #799: Fix uninitialized DC for predicted scaling list when scaling_list_pred_id_delta equal to 0

See merge request jvet/VVCSoftware_VTM!1211

source/Lib/DecoderLib/VLCReader.cpp

@@ -4625,6 +4625,8 @@ void HLSyntaxReader::decodeScalingList(ScalingList *scalingList, uint32_t sizeId
   int PredListId = scalingList->getRefMatrixId(scalingListId);
   CHECK(isPredictor && PredListId > scalingListId, "Scaling List error predictor!");
   const int *srcPred = (isPredictor) ? ((scalingListId == PredListId) ? scalingList->getScalingListDefaultAddress(scalingListId) : scalingList->getScalingListAddress(PredListId)) : NULL;
+  if(isPredictor && scalingListId == PredListId)
+    scalingList->setScalingListDC(PredListId, SCALING_LIST_DC);
   int predCoef = 0;
 
   if (scalingListId >= SCALING_LIST_1D_START_16x16)