[FFmpeg-user] What is the (technical) difference between -r and the fps filter?

Carl Eugen Hoyos cehoyos at ag.or.at
Fri Apr 19 09:16:45 CEST 2013

Werner Robitza <werner.robitza <at> gmail.com> writes:

> ffmpeg -i input -vf fps="fps=1/60" out%03d.png
> or
> ffmpeg -i input -r 1/60 out%03d.png
> It looks like they'd do the same, but when trying it on a video I got
> different frame counts, the latter being incorrect

That is correct, please use -vf fps
See also ticket #1578

Carl Eugen

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