Install wmtv by entering the following commands in the terminal:
sudo apt update sudo apt install wmtv
Description:
Dockable video4linux TV player for WindowMaker
A miniature size dockable TV application. It currently supports channel presets, PAL/SECAM/NTSC, fine tuning, scanning of TV stations, use of external TV applications, and more.
Homepage: http://windowmaker.org/dockapps/?name=wmtv
Version: 0.6.6-1
Section: universe/x11