On Thu, 26 May 2022 at 09:09, ffmpegagent <ffmpegag...@gmail.com> wrote:

> But that doesn't help. Those bugs exist and I'm sharing my workarounds,
> which are empirically determined by testing a range of files. If someone is
> interested, I can provide private access to a repository where we have been
> testing this. Alternatively, I could also leave those workarounds out, and
> just skip those SEI types.
>

I don't care much for QSV but I would say b-frame reordering heuristics
like the one you are using may not necessarily catch all the possible
structures in the wild from third-party encoders.
VLC had (has?) heuristics for this which would cause captions to not be
frame accurate.

Kieran
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