[FFmpeg-user] ffmpeg -f lavfi with -i color / r flag behaves strangely

[gf]

>>
> It's a different r :r=50 is a suboption of color which tells it to
> generate 50 fps. the -r 50 is an option that tells ffmpeg you want
> the output to be converted to 50 fps by dup/drop - but it doesn't
> work with copy.
>
> If you use -r before -i it has a different effect from after, on
> normal files = override whatever the input file framerate is.
>
>
>
Got it, thank you Carl and Andy!