用于在 20.10 中使用 VLC 打开安全摄像头（EZVIZ），命令为：
rtsp://192.168.1.200:554
It fails and the log file says:
satip error: Failed to setup RTSP session
satip error: Failed to teardown RTSP session
```
nmap shows the device is present:
Starting Nmap 7.80 ( https://nmap.org ) at 2021-05-15 10:03 BST
Nmap scan report for TL-WA850RE.broadband (192.168.1.200)
Host is up (0.032s latency).
Not shown: 996 closed ports
PORT STATE SERVICE
554/tcp open rtsp
8000/tcp open http-alt
8200/tcp open trivnet1
9010/tcp open sdr
```
mplayer works but gives …