Filter amplify
  Amplify changes between successive video frames.
    slice threading supported
    Inputs:
       #0: default (video)
    Outputs:
       #0: default (video)
amplify AVOptions:
  radius            <int>        ..FV..... set radius (from 1 to 63) (default 2)
  factor            <float>      ..FV..... set factor (from 0 to 65535) (default 2)
  threshold         <float>      ..FV..... set threshold (from 0 to 65535) (default 10)
  tolerance         <float>      ..FV..... set tolerance (from 0 to 65535) (default 0)
  low               <int>        ..FV..... set low limit for amplification (from 0 to 65535) (default 65535)
  high              <int>        ..FV..... set high limit for amplification (from 0 to 65535) (default 65535)
  planes            <flags>      ..FV..... set what planes to filter (default 7)


