Have everything set to max (AndroidTV is wired, easy gigabit rates to NAS). I've tried literally every setting I can think of and it just continually spits back transcodes for DTS & DA content. Doesnt matter if video is 4k HDR Remux or 1080p encode. It's the second most commented open issue on the Jellyfin Android TV Github (https://github.com/jellyfin/jellyfin-androidtv/issues/281). If you can crack the case you'll make a lot of people happy :D