Filter mpdecimate
  Remove near-duplicate frames.
    Inputs:
       #0: default (video)
    Outputs:
       #0: default (video)
mpdecimate AVOptions:
  max               <int>        ..FV..... set the maximum number of consecutive dropped frames (positive), or the minimum interval between dropped frames (negative) (from INT_MIN to INT_MAX) (default 0)
  hi                <int>        ..FV..... set high dropping threshold (from INT_MIN to INT_MAX) (default 768)
  lo                <int>        ..FV..... set low dropping threshold (from INT_MIN to INT_MAX) (default 320)
  frac              <float>      ..FV..... set fraction dropping threshold (from 0 to 1) (default 0.33)


