Hi xiongweixiao On Sun, May 11, 2025 at 01:08:14PM +0800, xiongweixiao wrote: > The current vvc_probe function checks for SPS, PPS, and IRAP NAL units but > does not enforce their detection order. This can lead to false positives when > PPS or IRAP appear before SPS, causing malformed or non-compliant bitstreams > to be incorrectly identified as valid VVC streams. > > This patch modifies the logic to use boolean flags and enforces the correct > detection sequence: SPS must be detected before PPS, and PPS before IRAP. > This ensures more accurate probing and prevents invalid bitstreams from being > misidentified. > > This change addresses issues reported in: > - https://trac.ffmpeg.org/ticket/11496 > - https://trac.ffmpeg.org/ticket/11087
I suggest to return a lower score when pps / irap occur in the wrong location. And the current score if they ever occur in the correct location This way mp3 will be detected fine but also somewhat malformed VVC can still be detected thx [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB Opposition brings concord. Out of discord comes the fairest harmony. -- Heraclitus
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