Filter bilateral
  Apply Bilateral filter.
    Inputs:
       #0: default (video)
    Outputs:
       #0: default (video)
bilateral AVOptions:
  sigmaS            <float>      ..FV...... set spatial sigma (from 0 to 512) (default 0.1)
  sigmaR            <float>      ..FV...... set range sigma (from 0 to 1) (default 0.1)
  planes            <int>        ..FV...... set planes to filter (from 0 to 15) (default 1)

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

