george@george-PC:~$ sudo apt-get install libavcodec-extra-53
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages were automatically installed and are no longer required:
  libsox-fmt-base libsox-fmt-alsa kdenlive-data recordmydesktop libsox1b
  libmlt-data libavdevice-extra-53
Use 'apt-get autoremove' to remove them.
The following extra packages will be installed:
  apport-hooks-medibuntu libavdevice-extra-53 libavfilter-extra-2
  libavformat-extra-53 libavutil-extra-51 libopenjpeg2 libpostproc-extra-52
  libswscale-extra-2
Suggested packages:
  libfaad0
The following packages will be REMOVED:
  dvgrab ffmpeg gstreamer0.10-plugins-bad-multiverse kdenlive libav-tools
  libavcodec53 libavdevice53 libavfilter2 libavformat53 libavutil51
  libmjpegtools-1.9 libmlt++3 libmlt5 libpostproc52 libquicktime2 libswscale2
  melt vlc vlc-nox vlc-plugin-notify vlc-plugin-pulse winff winff-doc
The following NEW packages will be installed:
  apport-hooks-medibuntu libavcodec-extra-53 libavdevice-extra-53
  libavfilter-extra-2 libavformat-extra-53 libavutil-extra-51 libopenjpeg2
  libpostproc-extra-52 libswscale-extra-2
0 upgraded, 9 newly installed, 23 to remove and 0 not upgraded.
Need to get 0 B/4,113 kB of archives.
After this operation, 32.0 MB disk space will be freed.
Do you want to continue [Y/n]?