US 11,778,173 B2
Constraints on reference picture lists entries
Ye-kui Wang, San Diego, CA (US)
Assigned to BYTEDANCE INC., Los Angeles, CA (US)
Filed by Bytedance Inc., Los Angeles, CA (US)
Filed on Sep. 14, 2022, as Appl. No. 17/944,870.
Application 17/944,870 is a continuation of application No. PCT/US2021/022576, filed on Mar. 16, 2021.
Claims priority of provisional application 62/992,046, filed on Mar. 19, 2020.
Prior Publication US 2023/0007244 A1, Jan. 5, 2023
Int. Cl. H04N 19/105 (2014.01); H04N 19/109 (2014.01); H04N 19/159 (2014.01); H04N 19/172 (2014.01); H04N 19/174 (2014.01); H04N 19/169 (2014.01); H04N 19/31 (2014.01); H04N 19/503 (2014.01); H04N 19/46 (2014.01)
CPC H04N 19/105 (2014.11) [H04N 19/109 (2014.11); H04N 19/159 (2014.11); H04N 19/172 (2014.11); H04N 19/174 (2014.11); H04N 19/188 (2014.11); H04N 19/31 (2014.11); H04N 19/46 (2014.11); H04N 19/503 (2014.11)] 20 Claims
OG exemplary drawing
 
1. A video processing method, comprising:
performing a conversion between a video having one or more video layers comprising one or more video pictures and a bitstream of the video according to a rule,
wherein the rule specifies a condition comprising that when a current picture with a network abstraction layer (NAL) unit header layer identifier equal to a particular value is not a random access skipped leading picture associated with a clean random access picture with a variable indicating no output before recovery equal to 1, no picture that has been generated by a decoding process for generating an unavailable reference picture is referred to by an entry in a reference picture list of a current slice of the current picture.