[FFmpeg-user] difference between filter_complex and vf

[Nicolas George]

Le quartidi 14 prairial, an CCXX, Atli Thorbjornsson a écrit :
> Hi I'm trying to combined 2 files via overlay for video and amix for audio.

Do not use amix, it is misdesigned. Use amerge and pan instead.

> But I never get the filtergraph to work when I use -vf (even if I leave out
> the -af part)
> I always get this error:

-vf works with a single input and a single output. What you want to do
requires the -filter_complex option.

Regards,

-- 
  Nicolas George