When I insert a wipe transition between two clips, if I export my video to dv or dvd format, no problem the result is good but if I export it to a compressed format (flv, or xvid by ex) the result is very bad all along the transition, the rest is good.
if I convert the dv(.avi) or dvd format(.vob) rendered by Kdenlive, to flv by ex, with avidemux, the result is good.
I think that avidemux is using ffmpeg too,
so the pb may concern kdenlive?
I am using kdenlive 0.7 on mandriva2009.