Filter tinterlace
  Perform temporal field interlacing.
    Inputs:
       #0: default (video)
    Outputs:
       #0: default (video)
tinterlace AVOptions:
  mode              <int>        ..FV..... select interlace mode (from 0 to 7) (default merge)
     merge           0            ..FV..... merge fields
     drop_even       1            ..FV..... drop even fields
     drop_odd        2            ..FV..... drop odd fields
     pad             3            ..FV..... pad alternate lines with black
     interleave_top  4            ..FV..... interleave top and bottom fields
     interleave_bottom 5            ..FV..... interleave bottom and top fields
     interlacex2     6            ..FV..... interlace fields from two consecutive frames
     mergex2         7            ..FV..... merge fields keeping same frame rate


