Hsvhold

Hsvhold

Status:

Maintained

Keyframes:

No

Source library:

avfilter

Source filter:

hsvhold

Available:

On Master only:

No

Known bugs:

No

Description

This effect/filter turns a certain HSV range into gray values.

This filter measures color difference between set HSV color in options and the ones measured in the video stream. Depending on options, output colors can be changed to be gray or not.

Parameters

Parameter	Value	Description
av.hue	Float	Set the hue value which will be used in color difference calculation. Allowed range is from -360.000 to 360.000. Default value is 0.000.
av.sat	Float	Set the saturation value which will be used in color difference calculation. Allowed range is from -1.000 to 1.000. Default value is 0.000.
av.val	Float	Set the value which will be used in color difference calculation. Allowed range is from -1.000 to 1.000. Default value is 0.000.
av.similarity	Float	Set similarity percentage with the key color. Allowed range is from 0.000 to 1.000. Default value is 0.010. 0.001 matches only the exact key color, while 1.000 matches everything.
av.blend	Float	Blend percentage. Allowed range is from 0.000 to 1.000. Default value is 0.000. 0.000 makes pixels either fully gray, or not gray at all. Lower values result in more gray pixels, with a higher value the more similar the pixels color is to the key color.