wheezy: Can't install handbrake on debian-backports

[Malin Bruland <malinkh@gmail.com>]

My system: Debian Wheezy with backported kernel

lsb_release -a

Distributor ID: Debian
Description:    Debian GNU/Linux 7.8 (wheezy)
Release:        7.8
Codename:       wheezy


uname -r

Linux black-mamba 3.16.0-0.bpo.4-amd64 #1 SMP Debian 3.16.7-ckt2-1~bpo70
+1 (2014-12-08) x86_64 GNU/Linux




black-mamba@black-mamba:~$ sudo apt-get install handbrake
[sudo] password for black-mamba: 
Reading package lists... Done
Building dependency tree       
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
 handbrake : Depends: libavcodec54 (>= 6:9.1-1) but it is not
installable or
                      libavcodec-extra-54 (>= 6:9.10) but it is not
installable
             Depends: libavformat54 (>= 6:9.1-1) but it is not
installable
             Depends: libavutil52 (>= 6:9.1-1) but it is not installable
             Depends: libdvdnav4 (>= 4.2.0+20120524) but it is not going
to be installed
             Depends: libdvdread4 but it is not going to be installed
             Depends: libgstreamer-plugins-base1.0-0 (>= 1.0.0) but it
is not going to be installed
             Depends: libswscale2 (>= 6:9.1-1) but 6:0.8.16-1 is to be
installed
             Recommends: gstreamer1.0-libav but it is not going to be
installed
             Recommends: gstreamer1.0-pulseaudio but it is not going to
be installed or
                         gstreamer1.0-alsa but it is not going to be
installed
             Recommends: gstreamer1.0-x but it is not going to be
installed
E: Unable to correct problems, you have held broken packages.