Filter setrange
  Force color range for the output video frame.
    Inputs:
       #0: default (video)
    Outputs:
       #0: default (video)
setrange AVOptions:
  range             <int>        ..FV.... select color range (from -1 to 2) (default auto)
     auto                         ..FV.... keep the same color range
     unspecified                  ..FV....
     unknown                      ..FV....
     limited                      ..FV....
     tv                           ..FV....
     mpeg                         ..FV....
     full                         ..FV....
     pc                           ..FV....
     jpeg                         ..FV....


