Filter dblur
  Apply Directional Blur filter.
    Inputs:
       #0: default (video)
    Outputs:
       #0: default (video)
dblur AVOptions:
  angle             <float>      ..FV.....T set angle (from 0 to 360) (default 45)
  radius            <float>      ..FV.....T set radius (from 1 to 8192) (default 5)
  planes            <int>        ..FV.....T set planes to filter (from 0 to 15) (default 15)

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

