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