Comment 6 for bug 843930

Downgrading seems to have solved the problem:

I've installed the following packages:

mplayer_1.0~rc4.dfsg1-1ubuntu3_amd64.deb
libbluray0_0.2~git20110213.20739ed-0ubuntu3_amd64.deb
liblzo2-2_2.05-1_amd64.deb
libpostproc-extra-51_0.6.2-1ubuntu2_amd64.deb