Что дальше с этим делать, как-то не понятно
Steps to use it as sink
shutdown wpa_supplicant and NetworkManager
$ systemctl stop NetworkManager.service
$ systemctl stop wpa_supplicant.service
launch wifi daemon
$ sudo miracle-wifid &
launch sink control (your network card will be detected. here 3)
$ sudo miracle-sinkctl
[ADD] Link: 3
run WiFi Display on link:
> run 3
Pair your machine with other miracast device (mirroring)
See your screen device on this machine
Steps to use it as peer
Repeat steps 1 and 2 from "use as sink"
launch wifi control
$ sudo miracle-wifictl
Enable visibility for other devices
Locate them using scanning
> p2p-scan
Apart from list, or show info with peer <mac> there's nothing useful here by now. For a Q&D see Using as peer
https://github.com/albfan/miraclecast