It is not obvious that it requires composite, it is redundant with
composite's opacity, and it is demonstrated as unstable:
http://www.kdenlive.org/mantis/view.php?id=1464
svn path=/trunk/kdenlive/; revision=5106
# crashing effects
frei0r.water
frei0r.facedetect
+frei0r.transparency
# duplicate effects
frei0r.gamma
frei0r.pr0be
frei0r.pr0file
frei0r.select0r
-frei0r.transparency
frei0r.hqdn3d
#effects that have simplekeyframes
+++ /dev/null
-<!DOCTYPE kpartgui>
-<effect tag="frei0r.transparency" id="frei0r.transparency">
- <name>Transparency</name>
- <description>Tunes the alpha channel.</description>
- <author>Richard Spindler</author>
- <parameter type="simplekeyframe" name="Transparency" default="255" min="0" max="255" factor="255">
- <name>Transparency</name>
- </parameter>
-</effect>