martin@martin-VirtualBox:~/enigma2pc$ apt-cache policy libavcodec54
libavcodec54:
  Installed: (none)
  Candidate: 6:9.18-0ubuntu0.14.04.1
  Version table:
     6:9.18-0ubuntu0.14.04.1+fdkaac 0
        100 /var/lib/dpkg/status
     6:9.18-0ubuntu0.14.04.1 0
        500 http://de.archive.ubuntu.com/ubuntu/ trusty-updates/universe amd64 Packages
        500 http://security.ubuntu.com/ubuntu/ trusty-security/universe amd64 Packages
     6:9.11-2ubuntu2 0
        500 http://de.archive.ubuntu.com/ubuntu/ trusty/universe amd64 Packages
martin@martin-VirtualBox:~/enigma2pc$