Comment 7 for bug 933495

Have exactly the same issue.
Ubuntu 11.10 64 bit version.
The following packages have unmet dependencies:
 ffmpeg : Depends: libavcodec53 (< 4:0.7.3-99) but it is not going to be installed or
                   libavcodec-extra-53 (< 4:0.7.3.99) but 4:0.8.0.1~ppa2 is to be installed
          Depends: libavdevice53 (>= 4:0.7.3-0ubuntu0.11.10.1) but it is not going to be installed or
                   libavdevice-extra-53 (>= 4:0.7.3) but it is not going to be installed
          Depends: libavdevice53 (< 4:0.7.3-99) but it is not going to be installed or
                   libavdevice-extra-53 (< 4:0.7.3.99) but it is not going to be installed
          Depends: libavfilter2 (>= 4:0.7.3-0ubuntu0.11.10.1) but it is not going to be installed or
                   libavfilter-extra-2 (>= 4:0.7.3) but it is not going to be installed
          Depends: libavfilter2 (< 4:0.7.3-99) but it is not going to be installed or
                   libavfilter-extra-2 (< 4:0.7.3.99) but it is not going to be installed
          Depends: libavformat53 (< 4:0.7.3-99) but 4:0.8-1u1~ppa2 is to be installed or
                   libavformat-extra-53 (< 4:0.7.3.99) but it is not going to be installed
          Depends: libavutil51 (< 4:0.7.3-99) but it is not going to be installed or
                   libavutil-extra-51 (< 4:0.7.3.99) but 4:0.8.0.1~ppa2 is to be installed
          Depends: libpostproc52 (< 4:0.7.3-99) but 4:0.8-1u1~ppa2 is to be installed or
                   libpostproc-extra-52 (< 4:0.7.3.99) but it is not going to be installed
          Depends: libswscale2 (< 4:0.7.3-99) but 4:0.8-1u1~ppa2 is to be installed or
                   libswscale-extra-2 (< 4:0.7.3.99) but it is not going to be installed
E: Unable to correct problems, you have held broken packages.