Filter hue
  Adjust the hue and saturation of the input video.
    Inputs:
       #0: default (video)
    Outputs:
       #0: default (video)
hue AVOptions:
  h                 <string>     ..FV..... set the hue angle degrees expression
  s                 <string>     ..FV..... set the saturation expression (default "1")
  H                 <string>     ..FV..... set the hue angle radians expression
  b                 <string>     ..FV..... set the brightness expression (default "0")

This filter has support for timeline through the 'enable' option.

