Warning, /multimedia/kdenlive/data/effects/avfilter/avfilter_negate.xml is written in an unsupported language. File is not indexed.

 <?xml version="1.0"?>
 <!DOCTYPE kpartgui>
 <effect tag="avfilter.negate" id="avfilter.negate">
     <name>Negate</name>
     <description>Negate (invert) the input video or its alpha channel.</description>
     <author>libavfilter</author>
     <parameter type="bool" name="av.negate_alpha" default="0">
         <name>Negate alpha</name>
     </parameter>
 </effect>