On Wed, Feb 03, 2021 at 09:34:07PM +0000, Mark Thompson wrote: > In total, the number of short term references (from the selected short > term ref pic set), the number of long term references (combining both the > used candidates from the SPS and those defined in the slice header) and > the number of instances of the current picture (usually one, but can be > two if current picture reference is enabled) must never exceed the size > of the DPB. This is a generalisation of the condition associated with > num_long_term_pics in 7.4.7.1. > > We use this to apply tighter bounds to the number of long term pictures > referred to in the slice header, and also to detect the invalid case where > the second reference to the current picture would not fit in the DPB (this > case can't be detected earlier because an STRPS with 15 pictures can still > be valid in the same stream when used with a different PPS which does not > require two DPB slots for the current picture). > ---
> Michael: does this fix your fuzz case for num_long_term_sps? yes thanks [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB No snowflake in an avalanche ever feels responsible. -- Voltaire
signature.asc
Description: PGP signature
_______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
