Just to add:
$ apt-cache policy libavcodec-extra-52 libavutil-extra-49 libavcodec-extra-52: Installed: 4:0.5.1-1ubuntu1+medibuntu1 Candidate: 4:0.5.1-1ubuntu1+medibuntu1 Version table: *** 4:0.5.1-1ubuntu1+medibuntu1 0 500 http://packages.medibuntu.org/ lucid/non-free Packages 100 /var/lib/dpkg/status 4:0.5.1-1ubuntu1 0 500 http://gb.archive.ubuntu.com/ubuntu/ lucid/multiverse Packages libavutil-extra-49: Installed: 4:0.5.1-1ubuntu1+medibuntu1 Candidate: 4:0.5.1-1ubuntu1+medibuntu1 Version table: *** 4:0.5.1-1ubuntu1+medibuntu1 0 500 http://packages.medibuntu.org/ lucid/non-free Packages 100 /var/lib/dpkg/status 4:0.5.1-1ubuntu1 0 500 http://gb.archive.ubuntu.com/ubuntu/ lucid/multiverse Packages
Just to add:
$ apt-cache policy libavcodec-extra-52 libavutil-extra-49 extra-52: 1ubuntu1+ medibuntu1 1ubuntu1+ medibuntu1 1ubuntu1+ medibuntu1 0 packages. medibuntu. org/ lucid/non-free Packages dpkg/status 0.5.1-1ubuntu1 0 gb.archive. ubuntu. com/ubuntu/ lucid/multiverse Packages 1ubuntu1+ medibuntu1 1ubuntu1+ medibuntu1 1ubuntu1+ medibuntu1 0 packages. medibuntu. org/ lucid/non-free Packages dpkg/status 0.5.1-1ubuntu1 0 gb.archive. ubuntu. com/ubuntu/ lucid/multiverse Packages
libavcodec-
Installed: 4:0.5.1-
Candidate: 4:0.5.1-
Version table:
*** 4:0.5.1-
500 http://
100 /var/lib/
4:
500 http://
libavutil-extra-49:
Installed: 4:0.5.1-
Candidate: 4:0.5.1-
Version table:
*** 4:0.5.1-
500 http://
100 /var/lib/
4:
500 http://