how install gem-plugin-unicap ubuntu

ubuntu

gem-plugin-unicap

Graphics Environment for Multimedia – unicap support
http://gem.iem.at/
Install sudo apt install gem-plugin-unicap
Description:

Gem is a loadable library for Pure Data (Pd), which adds OpenGL graphics rendering and animation to Pd. Pd is a graphical programming language and computer music system.

This package provides video capturing using unicap.