[FFmpeg-user] White Padding Looks Gray

[Carl Eugen Hoyos]

Morgan Bellinger <mbellinger <at> stitchfix.com> writes:

> Whenever I run this command, however, I get a light gray instead 
> of white in the padding area.

This is because of a bug in the pad filter, I opened ticket #5633.
Workarounds are either to specify -pix_fmt yuv420p or a more 
complicated filter chain similar to:
format=yuv420p,pad,format=yuvj420p
(The pad filter claims to support yuvj4xx but produces incorrect 
output.)

Sorry for yesterdays comment, Carl Eugen