Filter w3fdif
  Apply Martin Weston three field deinterlace.
    slice threading supported
    Inputs:
       #0: default (video)
    Outputs:
       #0: default (video)
w3fdif AVOptions:
  filter            <int>        ..FV..... specify the filter (from 0 to 1) (default complex)
     simple          0            ..FV.....
     complex         1            ..FV.....
  deint             <int>        ..FV..... specify which frames to deinterlace (from 0 to 1) (default all)
     all             0            ..FV..... deinterlace all frames
     interlaced      1            ..FV..... only deinterlace frames marked as interlaced

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

