cubemap software package provides scalable video reflector, designed to be used with VLC, you can install in your Debian 9 (Stretch) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install cubemap
cubemap is installed in your system.
Make ensure the cubemap package were installed using the commands given below,
$ sudo dpkg-query -l | grep cubemap *
You will get with cubemap package name, version, architecture and description in a table
| Distro | Debian 9 stretch |
| Section | Network |
| Package | cubemap |
| Version | 1.3.1-2 |
| Description | scalable video reflector, designed to be used with VLC |
| Sub Section | Net |