[FFmpeg-user] overlay filter uses unmapped cover image

[Carl Eugen Hoyos]

Christian Ebert <blacktrash <at> gmx.net> writes:

> > -filter_complex [0:v][2:v]overlay

> ffmpeg -i test.m4v -i logo.png -filter_complex
> scale=640:480,[0:v][1:v]overlay

Apart from the scale filter that changes your 
filter chain (the command line you are testing 
cannot work), you are still trying to feed the 
cover to the overlay filter.

Carl Eugen