[FFmpeg-user] Overwriting JPEG at output

Carl Eugen Hoyos cehoyos at ag.or.at
Sun Nov 27 16:56:36 CET 2011

Jose Luis Rivas <joseluis <at> eserre.com> writes:

> I'm trying to get an AVI trough RTSP (or any input, really, be it a
> static video, by e.g.) to output a still JPEG, and this been
> overwritten. This is a line of what I'm trying and what I've already tried:

> ffmpeg -i test.webm -r 1 -f image2 -s qvga what.jpg

This works now with -updatefirst 1 what.jpg

Carl Eugen

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