[MPlayer-dev-eng] Smeared video with screenshot and unsharp filter

[Nicolas George]

Le decadi 20 germinal, an CCXXI, Reimar Döffinger a écrit :
> It says "this is not a real frame, you already got all the data via some
> other means, now prepare for displaying it".
> By removing it you end up copying the data once more.

Ok. That explains why it fixes the problem.

> Most likely slices are broken once more in FFmpeg. Would help to know
> which commit broke it.

I bissected, and without surprise the first broken commit is
80e9e63c946660304fc65fa8141ccfdbe4d196d1:

    Merge commit '759001c534287a96dc96d1e274665feb7059145d'
      lavc decoders: work with refcounted frames.

In other words, the lavc part of the "evil plan".

> You can also change the default for -slices/-noslices so it at least works
> again by default for everyone else.

If nobody can fix it in a near future, it will come to that.

I suspect you are currently more or less the only one who understands enough
of what is going on with MPlayer's image structure, and how it can map with
ffmpeg's structures. It would greatly help if you could find time to explain
things a little (unless said explanation already exists, but I never found
it).

Regards,

-- 
  Nicolas George
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