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

[Carl Eugen Hoyos]

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