Signed-off-by: Fei Wang <fei.w.w...@intel.com> --- update: 1. refine commit message and content in doc file.
doc/filters.texi | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/doc/filters.texi b/doc/filters.texi index 4a5412c91d..a66b750d57 100644 --- a/doc/filters.texi +++ b/doc/filters.texi @@ -26168,8 +26168,8 @@ Set the height of the overlaid video on the main video. Default value is the height of input overlay video. @item alpha -Set blocking detection thresholds. Allowed range is 0.0 to 1.0, it -requires an input video with alpha channel. +Set transparency of overlaid video. Allowed range is 0.0 to 1.0. +Higher value means lower transparency. Default value is @code{0.0}. @end table -- 2.25.1 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".