FFmpeg 4.4.5
Since* 3.4
#

Remove temporal frame luminance variations.

It accepts the following options:

size, s

Set moving-average filter size in frames. Default is 5. Allowed range is 2 - 129.

mode, m

Set averaging mode to smooth temporal luminance variations.

Available values are:

am

Arithmetic mean

gm

Geometric mean

hm

Harmonic mean

qm

Quadratic mean

cm

Cubic mean

pm

Power mean

median

Median

bypass

Do not actually modify frame. Useful when one only wants metadata.