mplayer window resizes with black bar

[Lennart Weller]

Normally mplayer should resize according to the aspect ratio of the source. Which is also working anywhere but compiz/unity.
Here are a few screenshots to show what is actually happening when resizing.
http://i.imgur.com/ZWneP.png
http://i.imgur.com/oF78O.png
http://i.imgur.com/d0JHr.png
http://i.imgur.com/onpSf.png

This is probably a bug with compiz. If someone can verify that i will add compiz to affected packages.

.mplayer/config:
[default]
vo=xv
ao=pulse
autosync=30
double=yes
spualign=-1
spuaa=4
sub-fuzziness=1
unicode=yes
utf8=yes
subfont-autoscale=2
nolirc=yes
nojoystick=yes
softvol=yes
softvol-max=300
af=volnorm
ass=yes

ProblemType: Bug
DistroRelease: Ubuntu 12.10
Package: mplayer2 2.0-554-gf63dbad-1
ProcVersionSignature: Ubuntu 3.5.0-17.28-generic 3.5.5
Uname: Linux 3.5.0-17-generic x86_64
ApportVersion: 2.6.1-0ubuntu4
Architecture: amd64
Date: Mon Oct 22 18:38:06 2012
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
MarkForUpload: True
SourcePackage: mplayer2
UpgradeStatus: Upgraded to quantal on 2012-10-18 (3 days ago)