Simple multi-processing python cli to set the default audio and/or subtitles of a single matroska (.mkv) file or a library of files WITHOUT having to remux the file

Complete management solution for media libraries of all kinds

NOVA is a self-hosted, cross-platform media server tailored for local audio and video streaming. Designed to offer a seamless experience for managing and playing your audio and video files across desktop and mobile devices, NOVA combines intuitive library management with powerful playback features.