[FFmpeg-user] How to extract 1 frame as JPEG per minute

[Ulf Zibis]

Hi,

Am 23.12.18 um 00:11 schrieb Carl Eugen Hoyos:
> I believe that the sync errors indicate that concatenation is not the
> right way here.
> Did you try mplayer -dumpstream?

No, but now I tried:
mplayer -dumpstream 001-C001/CYD-001.vob 001-C002/CYD-001.vob ...

But this only dumps the first file. I also tried with {...} according
the manpage:
mplayer [options] {list of files and options}

Nothing is working, do you have a hint?

-Ulf