I want to use ffmpeg, but when I try to use "apt-get install ffmpeg" I get this as a result:

Code:
Reading package lists...
Building dependency tree...
Reading state information...
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:
  ffmpeg: Depends: libavcodec52 (< 4:0.5.1-99) but it is not going to be installed or
                   libavcodec-extra-52 (< 4:0.5.1-99) but 4:0.5.9-0ubuntu0.10.04.1 is to be installed
          Depends: libavdevice52 (>= 4:0.5.1-1ubuntu1) but it is not going to be installed or
                   libavdevice-extra-52 (>= 4:0.5.1-1ubuntu1) but it is not going to be installed
          Depends: libavdevice52 (< 4:0.5.1-99) but it is not going to be installed or
                   libavdevice-extra-52 (< 4:0.5.1-99) but it is not going to be installed
          Depends: libavfilter0 (>= 4:0.5.1-1ubuntu1) but it is not going to be installed or
                   libavfilter-extra-0 (>= 4:0.5.1-1ubuntu1) but it is not going to be installed
          Depends: libavfilter0 (< 4:0.5.1-99) but it is not going to be installed or
                   libavfilter-extra-0 (< 4:0.5.1-99) but it is not going to be installed
          Depends: libavformat52 (< 4:0.5.1-99) but 4:0.5.9-0ubuntu0.10.04.1 is to be installed or
                   libavformat-extra-52 (< 4:0.5.1-99) but it is not going to be installed
          Depends: libavutil49 (< 4:0.5.1-99) but it is not going to be installed or
                   libavutil-extra-49 (< 4:0.5.1-99) but 4:0.5.9-0ubuntu0.10.04.1 is to be installed
          Depends: libpostproc51 (< 4:0.5.1-99) but 4:0.5.9-0ubuntu0.10.04.1 is to be installed or
                   libpostproc-extra-51 (< 4:0.5.1-99) but it is not going to be installed
          Depends: libswscale0 (< 4:0.5.1-99) but 4:0.5.9-0ubuntu0.10.04.1 is to be installed or
                   libswscale-extra-0 (< 4:0.5.1-99) but it is not going to be installed
E: Broken packages
I tried looking it up, but I can't find any solutions. I've never really had broken package errors, so I don't know how to deal with them.

I also tried installing it via Synaptic but that didn't work either.