CPC H04N 19/105 (2014.11) [H04N 19/117 (2014.11); H04N 19/119 (2014.11); H04N 19/132 (2014.11); H04N 19/139 (2014.11); H04N 19/167 (2014.11); H04N 19/172 (2014.11); H04N 19/174 (2014.11); H04N 19/184 (2014.11); H04N 19/196 (2014.11); H04N 19/30 (2014.11); H04N 19/52 (2014.11); H04N 19/547 (2014.11); H04N 19/573 (2014.11); H04N 19/70 (2014.11); H04N 19/82 (2014.11)] | 20 Claims |
1. A method for processing video data, comprising:
performing a conversion between a video comprising a video picture that includes one or more subpictures and a bitstream of the video;
wherein the bitstream conforms to a format rule;
wherein the format rule specifies that a first syntax element is selectively present in a sequence parameter set of the bitstream based on a number of subpictures in the video picture; and
wherein the first syntax element indicates whether an in-loop filtering operation is allowed to be performed across subpicture boundaries in a coded layer video sequence (CLVS) and whether all subpicture boundaries in the CLVS are treated as picture boundaries.
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