Opened 5 years ago

Closed 5 years ago

#310 closed defect (fixed)

Type of syntax element slice_num_alf_aps_ids_luma

Reported by: ksuehring Owned by:
Priority: minor Milestone:
Component: spec Version: VVC D5 v10
Keywords: Cc: ksuehring, XiangLi, fbossen, jvet@…

Description

From the meeting notes:

Adopt APS types, and define APS types for ALF parameters and LMCS (reshaper) parameters, and signal the LMCS APS_ID in the tile group header when LMCS is enabled, from option 2 of JVET-N0805. Decision: Adopt (with a loop in the tile group header when multiple ALF APSs are used in the same tile, with the number of loop entries determined by a number minus 1 coded as ue(v))

The syntax element slice_num_alf_aps_ids_luma is coded as tb(v) in the draft, not ue(v) as decided with the adoption of JVET-N0805.

Change history (8)

comment:1 Changed 5 years ago by ksuehring

  • Component changed from VTM to spec

comment:2 Changed 5 years ago by ksuehring

Note, this is primarily a specification issue, but also relevant to VTM implementation.

comment:3 Changed 5 years ago by nanhu

tb(v) was used in the adopted JVET-N0415 implementation. So tb(v) was put in both draft and VTM-5.0.

comment:4 Changed 5 years ago by nanhu

Regarding "minus 1", since we we can just use fixed filters which were also adopted in JVET-N0415 and don't use any APS, then slice_num_alf_aps_ids_luma will be 0. In this case, "minus 1" syntax doesn't fit the JVET-N0415 adoption.

comment:5 Changed 5 years ago by bbross

  • Version changed from VVC D5 v7 to VVC D5 v8

comment:6 Changed 5 years ago by bbross

  • Version changed from VVC D5 v8 to VVC D5 v9

comment:7 Changed 5 years ago by bbross

  • Version changed from VVC D5 v9 to VVC D5 v10

comment:8 Changed 5 years ago by bbross

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

Fixed in D6 vC

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