Как установить ClipGrab в Ubuntu 16.10 (Як Yakkety)

Вывод, который я получаю при установке ClipGrab с помощью ppa, является:-

Reading package lists... Done
W: The repository 'http://ppa.launchpad.net/clipgrab-team/ppa/ubuntu yakkety Release' does not have a Release file.
N: Data from such a repository can't be authenticated and is therefore potentially dangerous to use.
N: See apt-secure(8) manpage for repository creation and user configuration details.
E: Failed to fetch http://ppa.launchpad.net/clipgrab-team/ppa/ubuntu/dists/yakkety/main/binary-amd64/Packages  404  Not Found
E: Some index files failed to download. They have been ignored, or old ones used instead.
jaggu@jaggu-Lenovo-G50-80:~$ sudo apt-get install clipgrab
Reading package lists... Done
Building dependency tree       
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:

clipgrab : Depends: libavcodec-extra-53 (>= 4:0.8.6) but it is not installable
E: Unable to correct problems, you have held broken packages.
jaggu@jaggu-Lenovo-G50-80:~$ 

Как я решаю эту проблему и устанавливаю ClipGrab?