[FFmpeg-user] Output image sequence duplicate first image

[Carl Eugen Hoyos]

Am Mo., 20. Apr. 2020 um 19:32 Uhr schrieb Edward Park <kumowoon1025 at gmail.com>:
>
> > Use the output option -r or the fps filter to control the frequency of the image grabs.
> > They will show different behaviour wrt the beginning of the grab cycle.
>
> The identical frames at the start is surprising for me, why would that happen
> and not be counted as a duplicate?

I am also surprised but I wonder if there are not duplicated but the way -r acts
can look nondeterministic (it isn't but can act surprisingly).

> Does it happen when the frames aren't in the order that they're presented at the beginning?

I don't think this is related.

Carl Eugen