[FFmpeg-user] repair black frames?

[Michael Koch]

Am 25.10.2020 um 16:23 schrieb Simon Roberts:
> Greetings all,
>
> I have just noticed that some of my video recordings have a few random
> black frames in them. These will be spaced out a few minutes, don't seem to
> have any obvious cause (though my recording system is a little Heath
> Robinson / Rube Goldberg, so I have some ideas)
>
> Anyway, the thought occurred to me that rather than watching, never
> blinking, all the material, and looking for this "manually", ffmpeg might
> be able to help.
>
> The solution I have in mind would probably be something that recognizes a
> black frame (I *think* it's "pure" black, but I don't have numbers) and
> replaces it with the immediately preceding or following frame).
>
> Does such a filter exist, or could such behavior be tied together out of
> the features that ffmpeg has?

search for "blackdetect" in the documentation

Michael