sudo apt-add-repository ppa:clipgrab-team/ppa
sudo apt-get update
sudo apt-get install clipgrab
Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following packages will be upgraded:
  clipgrab
1 upgraded, 0 newly installed, 0 to remove and 6 not upgraded.
Need to get 0 B/226 kB of archives.
After this operation, 20.5 kB of additional disk space will be used.
(Reading database ... 843201 files and directories currently installed.)
Preparing to unpack .../clipgrab_3.5.6~trusty1_amd64.deb ...
Unpacking clipgrab (3.5.6~trusty1) over (3.5.1~trusty1) ...
dpkg: error processing archive /var/cache/apt/archives/clipgrab_3.5.6~trusty1_amd64.deb (--unpack):
 trying to overwrite '/usr/bin/ffmpeg', which is also in package ffmpeg 7:1.2.6-1~trusty1
Processing triggers for mime-support (3.54ubuntu1.1) ...
Processing triggers for gnome-menus (3.10.1-0ubuntu2) ...
Processing triggers for desktop-file-utils (0.22-1ubuntu1) ...
Processing triggers for bamfdaemon (0.5.1+14.04.20140409-0ubuntu1) ...
Rebuilding /usr/share/applications/bamf-2.index...
Errors were encountered while processing:
 /var/cache/apt/archives/clipgrab_3.5.6~trusty1_amd64.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)