Filter estdif
  Apply Edge Slope Tracing deinterlace.
    slice threading supported
    Inputs:
       #0: default (video)
    Outputs:
       #0: default (video)
estdif AVOptions:
  mode              <int>        ..FV.....T. specify the mode (from 0 to 1) (default field)
     frame           0            ..FV.....T. send one frame for each frame
     field           1            ..FV.....T. send one frame for each field
  parity            <int>        ..FV.....T. specify the assumed picture field parity (from -1 to 1) (default auto)
     tff             0            ..FV.....T. assume top field first
     bff             1            ..FV.....T. assume bottom field first
     auto            -1           ..FV.....T. auto detect parity
  deint             <int>        ..FV.....T. specify which frames to deinterlace (from 0 to 1) (default all)
     all             0            ..FV.....T. deinterlace all frames
     interlaced      1            ..FV.....T. only deinterlace frames marked as interlaced
  rslope            <int>        ..FV.....T. specify the search radius for edge slope tracing (from 1 to 15) (default 1)
  redge             <int>        ..FV.....T. specify the search radius for best edge matching (from 0 to 15) (default 2)
  interp            <int>        ..FV.....T. specify the type of interpolation (from 0 to 2) (default 4p)
     2p              0            ..FV.....T. two-point interpolation
     4p              1            ..FV.....T. four-point interpolation
     6p              2            ..FV.....T. six-point interpolation

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

