Example URLs
Dahua:
rtsp://192.168.2.128:554/cam/realmonitor?channel=1&subtype=0&unicast=true&proto=Onvif
rtsp://admin:admin@10.7.6.67:554/cam/realmonitor?channel=1&subtype=1
rtsp://192.168.2.128:554/live
Hikvision:
rtsp://admin:12345@192.168.200.11:554/ISAPI/Streaming/Channels/101
rtsp://admin:12345@192.168.200.11:554/Streaming/Channels/101