cordyceps@gnubu:/var/lib/apt$ sudo apt-cache policy libav-tools
[sudo] password for cordyceps: 
libav-tools:
  Installed: 6:9.18-0ubuntu0.14.04.1
  Candidate: 6:11.3-1~trusty
  Version table:
     6:11.3-1~trusty 0
        500 http://ppa.launchpad.net/heyarje/libav-11/ubuntu/ trusty/main i386 Packages
 *** 6:9.18-0ubuntu0.14.04.1 0
        500 http://security.ubuntu.com/ubuntu/ trusty-security/universe i386 Packages
        500 http://us.archive.ubuntu.com/ubuntu/ trusty-updates/universe i386 Packages
        100 /var/lib/dpkg/status
     6:9.11-2ubuntu2 0
        500 http://us.archive.ubuntu.com/ubuntu/ trusty/universe i386 Packages