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Diffstat (limited to 'doc/filters.texi')
-rw-r--r-- | doc/filters.texi | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/doc/filters.texi b/doc/filters.texi index ce7e053194..64e84d9b45 100644 --- a/doc/filters.texi +++ b/doc/filters.texi @@ -11545,6 +11545,13 @@ Default is @var{none}. @item new Take new palette for each output frame. + +@item alpha_threshold +Sets the alpha threshold for transparency. Alpha values above this threshold +will be treated as completely opaque, and values below this threshold will be +treated as completely transparent. + +The option must be an integer value in the range [0,255]. Default is @var{128}. @end table @subsection Examples |