Opened 6 months ago

#334 new defect

cu_qp_delta_abs is not using context coding

Reported by: jonathang Owned by:
Priority: minor Milestone:
Component: VTM Version: VTM-5.0
Keywords: Cc: ksuehring, XiangLi, fbossen, jvet@…

Description

In VTM the function CABACReader::cu_qp_delta handles decoding of the syntax element cu_qp_delta_abs. It is decoded by the following line of code:
DQp += exp_golomb_eqprob( CU_DQP_EG_k );

This appears to be in contradiction of Table 9-17 of the N1001v8 spec, which indicates that the first 5 bins of cu_qp_delta_abs are to be context coded.

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