Filter remap
  Remap pixels.
    slice threading supported
    Inputs:
       #0: source (video)
       #1: xmap (video)
       #2: ymap (video)
    Outputs:
       #0: default (video)
remap AVOptions:
  format            <int>        ..FV...... set output format (from 0 to 1) (default color)
     color           0            ..FV...... 
     gray            1            ..FV...... 
  fill              <color>      ..FV...... set the color of the unmapped pixels (default "black")

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

