diff options
Diffstat (limited to 'doc/filters.texi')
| -rw-r--r-- | doc/filters.texi | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/doc/filters.texi b/doc/filters.texi index 2abf60c2cd..edbe4092c1 100644 --- a/doc/filters.texi +++ b/doc/filters.texi @@ -1741,7 +1741,9 @@ the input width and height. Default to 0. @item color, c Specify the color of the box to write, it can be the name of a color -(case insensitive match) or a 0xRRGGBB[AA] sequence. +(case insensitive match) or a 0xRRGGBB[AA] sequence. If the special +value @code{invert} is used, the box edge color is the same as the +video with inverted luma. @end table If the key of the first options is omitted, the arguments are |