Opened 9 months ago

Closed 9 months ago

#187 closed defect (fixed)

same picture check in HMVP mismatch with software

Reported by: wchien Owned by:
Priority: major Milestone:
Component: spec Version: VVC D4 v3
Keywords: Cc: ksuehring, bbross, XiangLi, fbossen, jvet@…

Description

when HMVP is used in MVP generation, same reference picture is checked whether the signal reference picture is the same as reference picture in HMVP. VVC is checking whether POC of the reference pictures are the same, but spec if checking whether reference index.

In 8.4.2.9,
6......
– The LY reference index of the history-based motion vector
predictor candidate HmvpCandList[i] is equal to refIdxLX

should change to
– The LY reference index refIdxLY of the history-based motion vector
predictor candidate HmvpCandList[i] and refIdxLX should match the following conidtion :

DiffPicOrderCnt( refPicListY[ refIdxLY], RefPicListX[ refIdxLX ] ) = 0

Change history (3)

comment:1 Changed 9 months ago by bbross

  • Version set to VVC D4 v2

comment:2 Changed 9 months ago by bbross

  • Version changed from VVC D4 v2 to VVC D4 v3

comment:3 Changed 9 months ago by bbross

  • Resolution set to fixed
  • Status changed from new to closed

Fixed in v4 of VVC D4

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