[FFmpeg-cvslog] lavc/vvc: Fix divide-by-zero in LMCS param derivation

ffmpeg | branch: master | Frank Plowman | Sat May 24 13:12:25 2025 +0100| [0382291811ef69e465c096ddf509e0b1e180a5f1] | committer: Nuo Mi lavc/vvc: Fix divide-by-zero in LMCS param derivation Add three missing requirements on bitstream conformance from 7.4.3.19 of H.266 (V3). Issue found using

[FFmpeg-cvslog] lavc/h2645_parse: More descriptive NALU header error

ffmpeg | branch: master | Frank Plowman | Thu May 22 19:43:02 2025 +0100| [ae0f71a387f05be7ac90d545af4d3aeb8e1cca89] | committer: Nuo Mi lavc/h2645_parse: More descriptive NALU header error Signed-off-by: Frank Plowman > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=ae0f71a387f05

[FFmpeg-cvslog] lavc/vvc: Detect subpic overlaps at CTU level

ffmpeg | branch: master | Frank Plowman | Sun May 18 14:13:26 2025 +0100| [a18b2c26962480de3aa2df60c2abe80742c0d9ed] | committer: Nuo Mi lavc/vvc: Detect subpic overlaps at CTU level In d5dbcc00d889fb17948b025a468b00ddbea9e058, it was hoped that detection of subpicture overlaps could be perfor

[FFmpeg-cvslog] lavc/vvc: Avoid UB in DB strength derivation for PLT CUs

ffmpeg | branch: master | Frank Plowman | Sat May 17 21:52:48 2025 +0100| [670089304ac856f01591c88bbb7c115d423935da] | committer: Nuo Mi lavc/vvc: Avoid UB in DB strength derivation for PLT CUs When called for palette-predicted CUs, boundary_strength could cause undefined behaviour due to acce