[hdmkv]

I would want that so i could use own skin, with internal kodi player

Only for 3d, i would want to use the zidoo's player, since kodi doesnt do it

You can use your own skin w/ZDMC. ZDMC (Zidoo's Kodi 17 fork) simply behaves as your movie/TV library manager, with actual playback handled by the Zidoo/Realtek native player. If you set ZDMC to use internal (Kodi videoplayer), while I recall HD audio being supported, video AFAIK is not optimized for HD or 4K.

Zidoo has yet to release a Leia-based fork of ZDMC, but if you want to use Leia, just download the official version and use this to set-up external/native player for all videos.