after doing some reading regarding this topic I had found some topics regarding this and i would like to know if it will implemented on kodi 18.
forums references:
Multiple sources for single movie (different quality): http://forum.kodi.tv/showthread.php?tid=135178
Feature Request – Stack HD and SD movies with context menu to choose which to play: http://forum.kodi.tv/showthread.php?tid=218236
Managing several version of a movie: https://forum.libreelec.tv/thread-436.html
as well an AI scrap that can get info not only from file names but also from files itself, such as, run time, code, bit rate, etc.
forums references:
Clean scraping API: http://forum.kodi.tv/showthread.php?tid=134012
main idea will be to add movies/ tv show from different sources (ftp, etc) to library, and combine same movies (different quality, versions) into only one item in library, with a pop up menu allowing to chose between different quality (2d or 3d) as well as audio.