Correctly define the option values as a standard deviation rather than a variance.
Address trac issue: http://trac.ffmpeg.org/ticket/9068 --- doc/filters.texi | 14 ++++++++------ 1 file changed, 8 insertions(+), 6 deletions(-) diff --git a/doc/filters.texi b/doc/filters.texi index 90e6c433c4..01291c235a 100644 --- a/doc/filters.texi +++ b/doc/filters.texi @@ -22178,9 +22178,10 @@ It accepts the following options: @table @option @item luma_radius, lr -Set the luma radius. The option value must be a float number in -the range [0.1,5.0] that specifies the variance of the gaussian filter -used to blur the image (slower if larger). Default value is 1.0. +Set the luma radius. The option value must be a float number in the +range [0.1,5.0] that specifies the standard deviation of the gaussian +filter used to blur the image (slower if larger). Default value is +1.0. @item luma_strength, ls Set the luma strength. The option value must be a float number @@ -22196,9 +22197,10 @@ a value included in [0,30] will filter flat areas and a value included in [-30,0] will filter edges. Default value is 0. @item chroma_radius, cr -Set the chroma radius. The option value must be a float number in -the range [0.1,5.0] that specifies the variance of the gaussian filter -used to blur the image (slower if larger). Default value is @option{luma_radius}. +Set the chroma radius. The option value must be a float number in the +range [0.1,5.0] that specifies the standard deviation of the gaussian +filter used to blur the image (slower if larger). Default value is +@option{luma_radius}. @item chroma_strength, cs Set the chroma strength. The option value must be a float number -- 2.34.1 _______________________________________________ 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".