skeeta92@skeeta92-desktop:~$ dir
Desktop		  libavcodec52_0.6.2-1ubuntu1.1_i386.deb      Pictures
Documents	  libavutil50_0.6.2-1ubuntu1_i386.deb	      Podcasts
Downloads	  libavutil-extra-50_0.6.2-1ubuntu2_i386.deb  Videos
examples.desktop  Music
skeeta92@skeeta92-desktop:~$ sudo dpkg -i libav*
Selecting previously deselected package libavcodec52.
(Reading database ... 154900 files and directories currently installed.)
Unpacking libavcodec52 (from libavcodec52_0.6.2-1ubuntu1.1_i386.deb) ...
dpkg: regarding libavutil50_0.6.2-1ubuntu1_i386.deb containing libavutil50:
 libavutil-extra-50 conflicts with libavutil50
  libavutil50 (version 4:0.6.2-1ubuntu1) is to be installed.
dpkg: error processing libavutil50_0.6.2-1ubuntu1_i386.deb (--install):
 conflicting packages - not installing libavutil50
Preparing to replace libavutil-extra-50 4:0.6.2-1ubuntu2 (using libavutil-extra-50_0.6.2-1ubuntu2_i386.deb) ...
Unpacking replacement libavutil-extra-50 ...
Setting up libavutil-extra-50 (4:0.6.2-1ubuntu2) ...
Setting up libavcodec52 (4:0.6.2-1ubuntu1.1) ...
Processing triggers for libc-bin ...
ldconfig deferred processing now taking place
Errors were encountered while processing:
 libavutil50_0.6.2-1ubuntu1_i386.deb