$ sudo apt-get update
$ sudo apt-get install oxideqt-codecs 

oxideqt-codecs is installed in your system.

Make ensure the oxideqt-codecs package were installed using the commands given below,

$ sudo dpkg-query -l | grep oxideqt-codecs *

You will get with oxideqt-codecs package name, version, architecture and description in a table

oxideqt-codecs package basic information: