$ sudo apt-get update
$ sudo apt-get install libbluray-bdj 

libbluray-bdj is installed in your system.

Make ensure the libbluray-bdj package were installed using the commands given below,

$ sudo dpkg-query -l | grep libbluray-bdj *

You will get with libbluray-bdj package name, version, architecture and description in a table

libbluray-bdj package basic information: