$ sudo apt-get update
$ sudo apt-get install gstreamer-qapt 

gstreamer-qapt is installed in your system.

Make ensure the gstreamer-qapt package were installed using the commands given below,

$ sudo dpkg-query -l | grep gstreamer-qapt *

You will get with gstreamer-qapt package name, version, architecture and description in a table

gstreamer-qapt package basic information: