/usr/share/kdenlive/effects/frei0r_facedetect.xml is in kdenlive-data 16.12.2-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 | <!DOCTYPE kpartgui>
<effect LC_NUMERIC="C" tag="frei0r.facedetect" id="frei0r.facedetect">
<name>Face detect</name>
<description>Detect faces and draw shapes on them using OpenCV</description>
<author>binarymillenium, Dan Dennedy</author>
<parameter type="simplekeyframe" name="Search scale" default="120" min="110" max="1000" factor="1000">
<name>Search scale</name>
<comment>The search window scale factor. For example, 120 = 1.20 = increases by 20% on each pass.</comment>
</parameter>
<parameter type="simplekeyframe" name="Neighbors" default="2" min="1" max="10" factor="100">
<name>Neighbors</name>
<comment>Minimum number of rectangles that determines an object.</comment>
</parameter>
<parameter type="simplekeyframe" name="Smallest" default="0" min="0" max="1000" factor="1000">
<name>Smallest</name>
<comment>The minimum window size in pixels.</comment>
</parameter>
<parameter type="constant" name="Recheck" default="25" min="0" max="1000" factor="1000" suffix="frames">
<name>Recheck</name>
<comment>How often to detect a face. In between checks, it does object motion tracking.</comment>
</parameter>
<parameter type="list" name="Shape" default="0.0" paramlist="0.0;0.1;0.2;1.0">
<paramlistdisplay>circle,ellipse,rectangle,random</paramlistdisplay>
<name>Shape</name>
</parameter>
<parameter type="constant" name="Stroke" default="0" min="0" max="100" factor="100" suffix="pixels">
<name>Stroke width</name>
<comment>0 means fill; otherwise, draw unfilled with a stroke width of this size.</comment>
</parameter>
<parameter type="constant" name="Alpha" default="100" min="0" max="100" factor="100" suffix="%">
<name>Alpha</name>
<comment>Set the alpha channel of the shape area to a percentage of fully opaque.</comment>
</parameter>
<parameter type="bool" name="Antialias" default="0">
<name>Antialias</name>
<comment>Draw with anti-aliasing?</comment>
</parameter>
<!-- The color parameters have a bug in the recent 1.3 release of frei0r.
Wait some time or next release to enable these. -->
<!--
<parameter type="color" name="Color 1" default="0xFFFFFF">
<name>Color 1</name>
<comment>Set the shape color of the first detected face.</comment>
</parameter>
<parameter type="color" name="Color 2" default="0x007FFF">
<name>Color 2</name>
<comment>Set the shape color of the second detected face.</comment>
</parameter>
<parameter type="color" name="Color 3" default="0x00FFFF">
<name>Color 3</name>
<comment>Set the shape color of the third detected face.</comment>
</parameter>
<parameter type="color" name="Color 4" default="0x00FF00">
<name>Color 4</name>
<comment>Set the shape color of the fourth detected face.</comment>
</parameter>
<parameter type="color" name="Color 5" default="0xFF7F00">
<name>Color 5</name>
<comment>Set the shape color of the fifth detected face.</comment>
</parameter>
-->
</effect>
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