Opened 4 years ago

Last modified 3 years ago

#91 new defect

The inference of Scaling List from SPS/PPS has problem

Reported by: kenhuang Owned by: Vadim
Priority: minor Milestone: SHM-11.0
Component: SHM software Version: SHM-10.0
Keywords: Cc: Vadim, jct-vc@…

Description

the scaling list data syntax structure of the SPS and PPS inferred to the layer with nuh_layer_id equal to scaling_list_ref_layer_id do not correctly handle.
Specifically,

  1. considering the cases that the active SPS/PPS scaling list are not initializated.
  2. considering the case that the active PPS is not initializated, and the active PPS is inferred to its SPS.

Both cases make the scaling list be uncertain value.

Change history (1)

comment:1 Changed 3 years ago by Vadim

Could you please share command line and config file or sample bitstream to reproduce the problem?

From what I see in the code, the inference logic is checked in xActivateParameterSets and actual assignment is done in xDecodeSlice. Could you please point out the code, which is broken in your example?

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  • Gerhard Tech(Always)
  • jct-vc@…(Subscriber)
  • Karsten Suehring(Always)
  • kenhuang(Reporter)
  • Vadim Seregin(Owner, Subscriber, Participant)