Filter vectorscope
  Video vectorscope.
    Inputs:
       #0: default (video)
    Outputs:
       #0: default (video)
vectorscope AVOptions:
  mode              <int>        ..FV...... set vectorscope mode (from 0 to 5) (default gray)
     gray            0            ..FV......
     tint            0            ..FV......
     color           1            ..FV......
     color2          2            ..FV......
     color3          3            ..FV......
     color4          4            ..FV......
     color5          5            ..FV......
  m                 <int>        ..FV...... set vectorscope mode (from 0 to 5) (default gray)
     gray            0            ..FV......
     tint            0            ..FV......
     color           1            ..FV......
     color2          2            ..FV......
     color3          3            ..FV......
     color4          4            ..FV......
     color5          5            ..FV......
  x                 <int>        ..FV...... set color component on X axis (from 0 to 2) (default 1)
  y                 <int>        ..FV...... set color component on Y axis (from 0 to 2) (default 2)
  intensity         <float>      ..FV...... set intensity (from 0 to 1) (default 0.004)
  i                 <float>      ..FV...... set intensity (from 0 to 1) (default 0.004)
  envelope          <int>        ..FV...... set envelope (from 0 to 3) (default none)
     none            0            ..FV......
     instant         1            ..FV......
     peak            2            ..FV......
     peak+instant    3            ..FV......
  e                 <int>        ..FV...... set envelope (from 0 to 3) (default none)
     none            0            ..FV......
     instant         1            ..FV......
     peak            2            ..FV......
     peak+instant    3            ..FV......
  graticule         <int>        ..FV...... set graticule (from 0 to 3) (default none)
     none            0            ..FV......
     green           1            ..FV......
     color           2            ..FV......
     invert          3            ..FV......
  g                 <int>        ..FV...... set graticule (from 0 to 3) (default none)
     none            0            ..FV......
     green           1            ..FV......
     color           2            ..FV......
     invert          3            ..FV......
  opacity           <float>      ..FV...... set graticule opacity (from 0 to 1) (default 0.75)
  o                 <float>      ..FV...... set graticule opacity (from 0 to 1) (default 0.75)
  flags             <flags>      ..FV...... set graticule flags (default name)
     white                        ..FV...... draw white point
     black                        ..FV...... draw black point
     name                         ..FV...... draw point name
  f                 <flags>      ..FV...... set graticule flags (default name)
     white                        ..FV...... draw white point
     black                        ..FV...... draw black point
     name                         ..FV...... draw point name
  bgopacity         <float>      ..FV...... set background opacity (from 0 to 1) (default 0.3)
  b                 <float>      ..FV...... set background opacity (from 0 to 1) (default 0.3)
  lthreshold        <float>      ..FV...... set low threshold (from 0 to 1) (default 0)
  l                 <float>      ..FV...... set low threshold (from 0 to 1) (default 0)
  hthreshold        <float>      ..FV...... set high threshold (from 0 to 1) (default 1)
  h                 <float>      ..FV...... set high threshold (from 0 to 1) (default 1)
  colorspace        <int>        ..FV...... set colorspace (from 0 to 2) (default auto)
     auto            0            ..FV......
     601             1            ..FV......
     709             2            ..FV......
  c                 <int>        ..FV...... set colorspace (from 0 to 2) (default auto)
     auto            0            ..FV......
     601             1            ..FV......
     709             2            ..FV......
  tint0             <float>      ..FV...... set 1st tint (from -1 to 1) (default 0)
  t0                <float>      ..FV...... set 1st tint (from -1 to 1) (default 0)
  tint1             <float>      ..FV...... set 2nd tint (from -1 to 1) (default 0)
  t1                <float>      ..FV...... set 2nd tint (from -1 to 1) (default 0)


