Comment # 3 on bug 1184430 from Wolfgang Bauer

(In reply to Wolfgang Bauer from comment #2)
> As this is actually a libmlt "problem", I'll add its maintainer to CC.

On second thought I'll actually re-assign it to him, as there's nothing we can
(or have to) do from the KDE side.

Once you install a libmlt with opencv support, the "motion tracker" effect
automatically shows up in kdenlive (without any change there), I tested it.