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Diffstat (limited to 'doc/filters.texi')
-rw-r--r-- | doc/filters.texi | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/doc/filters.texi b/doc/filters.texi index 4c1ef0f485..2324b96867 100644 --- a/doc/filters.texi +++ b/doc/filters.texi @@ -16394,6 +16394,11 @@ The sources accept the following parameters: @table @option +@item alpha +Specify the alpha (opacity) of the background, only available in the +@code{testsrc2} source. The value must be between 0 (fully transparent) and +255 (fully opaque, the default). + @item color, c Specify the color of the source, only available in the @code{color} source. For the syntax of this option, check the "Color" section in the |