Warning, /multimedia/kdenlive/data/effects/frei0r/frei0r_sobel.xml is written in an unsupported language. File is not indexed.

 <?xml version="1.0"?>
 <!DOCTYPE kpartgui>
 <effect tag="frei0r.sobel" id="frei0r.sobel" type="video" unique="1">
     <name>Sobel</name>
     <description>Sobel filter</description>
     <author>Jean-Sebastien Senecal (Drone)</author>
 </effect>