sudo apt-get install rygel rygel-gst-launch paprefs pavucontrol

[GstLaunch]
enabled=true
launch-items=mypulseaudiosink
mypulseaudiosink-title=Audio on @HOSTNAME@
mypulseaudiosink-mime=audio/flac
mypulseaudiosink-launch=pulsesrc device=upnp.monitor ! flacenc