test video stream online

The following video stream URLs have been tested with VLC player:

1. RTMP (Real-Time Messaging Protocol) HongKong TV
   rtmp://live.hkstv.hk.lxdns.com/live/hks

2.RTSP(Real-Time Streaming Protocol)
rtsp://184.72.239.149/vod/mp4:BigBuckBunny_175k.mov

3.HTTP
http://www.wowza.com/_h264/BigBuckBunny_175k.mov
http://live.hkstv.hk.lxdns.com/live/hks/playlist.m3u8

and some URLs provided by net citizens
https://g33ktricks.blogspot.com/p/the-rtsp-real-time-streaming-protocol.html
https://blog.csdn.net/m0_37677536/article/details/78356085