I'm glad you finally understood the problem ;-)
You can either use ACL like I did or force minidlna to run as nobody user or include it in nogroup group so that minidlna get the correct permisison to access the files it needs.
You can either use ACL like I did or force minidlna to run as nobody user or include it in nogroup group so that minidlna get the correct permisison to access the files it needs.