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

[Ulf Zibis]

Hi Carl Eugen,

Am 06.01.19 um 13:12 schrieb Carl Eugen Hoyos:
> Please also test dvdnav:// as it is supposed to work better.

When I use dvdnav:// I only get a small 70 kB file containing the DVD menu.