ubu-beryl:~$ sudo apt-get install libmpeg3hv
Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following packages were automatically installed and are no longer required:
  libguicast libquicktimehv libgtkglext1
Use 'apt-get autoremove' to remove them.
The following NEW packages will be installed:
  libmpeg3hv
0 upgraded, 1 newly installed, 0 to remove and 4 not upgraded.
1 not fully installed or removed.
Need to get 0B/142kB of archives.
After unpacking 348kB of additional disk space will be used.
WARNING: The following packages cannot be authenticated!
  libmpeg3hv
Install these packages without verification [y/N]? y
(Reading database ... 151175 files and directories currently installed.)
Unpacking libmpeg3hv (from .../libmpeg3hv_1%3a2.1.0-2svn2007424ubuntu3_i386.deb) ...
dpkg: error processing /var/cache/apt/archives/libmpeg3hv_1%3a2.1.0-2svn2007424ubuntu3_i386.deb (--unpack):
 trying to overwrite `/usr/bin/mpeg3dump', which is also in package cinelerra
dpkg-deb: subprocess paste killed by signal (Broken pipe)
Errors were encountered while processing:
 /var/cache/apt/archives/libmpeg3hv_1%3a2.1.0-2svn2007424ubuntu3_i386.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)
richard@ubu-beryl:~$ sudo apt-get -f install
Reading package lists... Done
Building dependency tree       
Reading state information... Done
Correcting dependencies... Done
The following packages were automatically installed and are no longer required:
  libmpeg3hv libguicast libquicktimehv libgtkglext1
Use 'apt-get autoremove' to remove them.
The following extra packages will be installed:
  libmpeg3hv
The following NEW packages will be installed:
  libmpeg3hv
0 upgraded, 1 newly installed, 0 to remove and 4 not upgraded.
1 not fully installed or removed.
Need to get 0B/142kB of archives.
After unpacking 348kB of additional disk space will be used.
Do you want to continue [Y/n]? 
WARNING: The following packages cannot be authenticated!
  libmpeg3hv
Install these packages without verification [y/N]? y
(Reading database ... 151175 files and directories currently installed.)
Unpacking libmpeg3hv (from .../libmpeg3hv_1%3a2.1.0-2svn2007424ubuntu3_i386.deb) ...
dpkg: error processing /var/cache/apt/archives/libmpeg3hv_1%3a2.1.0-2svn2007424ubuntu3_i386.deb (--unpack):
 trying to overwrite `/usr/bin/mpeg3dump', which is also in package cinelerra
dpkg-deb: subprocess paste killed by signal (Broken pipe)
Errors were encountered while processing:
 /var/cache/apt/archives/libmpeg3hv_1%3a2.1.0-2svn2007424ubuntu3_i386.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)