avfilter/vf_chromanr: add also euclidean distance for calculations

1 files changed, 16 insertions, 4 deletions

diff --git a/doc/filters.texi b/doc/filters.texi
index d991c06628..232d81ae3e 100644
--- a/doc/filters.texi
+++ b/doc/filters.texi
@@ -7857,7 +7857,7 @@ Set threshold for averaging chrominance values.
 Sum of absolute difference of Y, U and V pixel components of current
 pixel and neighbour pixels lower than this threshold will be used in
 averaging. Luma component is left unchanged and is copied to output.
-Default value is 30. Allowed range is from 1 to 200.
+Default value is 30. Allowed range is from 1 to 5000.
 
 @item sizew
 Set horizontal radius of rectangle used for averaging.
@@ -7881,19 +7881,31 @@ Mostly useful to speed-up filtering.
 Set Y threshold for averaging chrominance values.
 Set finer control for max allowed difference between Y components
 of current pixel and neigbour pixels.
-Default value is 200. Allowed range is from 1 to 200.
+Default value is 5000. Allowed range is from 1 to 5000.
 
 @item threu
 Set U threshold for averaging chrominance values.
 Set finer control for max allowed difference between U components
 of current pixel and neigbour pixels.
-Default value is 200. Allowed range is from 1 to 200.
+Default value is 5000. Allowed range is from 1 to 5000.
 
 @item threv
 Set V threshold for averaging chrominance values.
 Set finer control for max allowed difference between V components
 of current pixel and neigbour pixels.
-Default value is 200. Allowed range is from 1 to 200.
+Default value is 5000. Allowed range is from 1 to 5000.
+
+@item distance
+Set distance type used in calculations.
+
+@table @samp
+@item manhattan
+Absolute difference.
+@item euclidean
+Difference squared.
+@end table
+
+Default distance type is manhattan.
 @end table
 
 @subsection Commands