$ sudo apt-get update
$ sudo apt-get install qtvideonode-plugin 

qtvideonode-plugin is installed in your system.

Make ensure the qtvideonode-plugin package were installed using the commands given below,

$ sudo dpkg-query -l | grep qtvideonode-plugin *

You will get with qtvideonode-plugin package name, version, architecture and description in a table

qtvideonode-plugin package basic information: