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

[Carl Eugen Hoyos]

gf <fortyman <at> gmx.de> writes:

> ffmpeg -f lavfi -i color=d=10 -r 50 -c copy test2.avi

How is this supposed to work / what kind of output do you 
expect?
In case this isn't clear: Neither duplicating nor dropping 
frames is possible with -codec copy, not even for rawvideo.
(Duplicating and / or dropping is the desired effect of the 
output option -r.)

Carl Eugen