welcome to the forum,
i have a howto guide about that.
https://forum.rclone.org/t/how-to-access-smb-samba-with-rclone/42754
not sure of your final goal, but another option is to:
run rclone mount and another dlna server or media server on top of that.
plex, emby, jellyfin support dlna, and in addtion, have web interfaces and users+passwords.
that is an old version, might want to rclone selfupdate