Filter photosensitivity
  Filter out photosensitive epilepsy seizure-inducing flashes.
    Inputs:
       #0: default (video)
    Outputs:
       #0: default (video)
photosensitivity AVOptions:
  frames            <int>        ..FV...... set how many frames to use (from 2 to 240) (default 30)
  f                 <int>        ..FV...... set how many frames to use (from 2 to 240) (default 30)
  threshold         <float>      ..FV...... set detection threshold factor (lower is stricter) (from 0.1 to FLT_MAX) (default 1)
  t                 <float>      ..FV...... set detection threshold factor (lower is stricter) (from 0.1 to FLT_MAX) (default 1)
  skip              <int>        ..FV...... set pixels to skip when sampling frames (from 1 to 1024) (default 1)
  bypass            <boolean>    ..FV...... leave frames unchanged (default false)


