Bug#726487: player build can't find opencv either

[Rebecca N. Palmer]

Control: clone 726487 -1 -2
Control: reassign -2 player

player also has this bug; it appears that nothing else does.

Both of them have had this bug in Ubuntu for about a year without anyone 
noticing (which suggests the functionality in question isn't widely 
used); I have reported it there as 
https://bugs.launchpad.net/ubuntu/+source/player/+bug/1240608