In Shinobi you can see in the left side menu and click ONVIF Scanner. (if you are on Dashboard v2 : Click your username then ONVIF)
Once the scanner is open you can leave the IP Address blank as well as the Port. This will make it so the IP Address range that the Shinobi server is currently on will be scanned. Leaving the Port blank will attempt to check these ports 80,8080,8000,7575,8081,9080,8090,8999,8899.
The username and password should be set as what is used on the camera(s) or NVR to login.
This may be more difficult. It will require a little searching the web. The way to go about it is by getting the following information.
With these you can form a search similar to this
Reolink 520 Stream URL
and the first Google search result for me was https://support.reolink.com/hc/en-us/articles/360007010473-How-to-Live-View-Reolink-Cameras-via-VLC-Media-Player perfect. This gave me
This URL is generally sent over RTSP, HTTP or RTMP protocols (notice the prefix of the URLs).
However for Reolink use the RTMP URL instead (not mentioned in that link). More about that here.
NVR that can output to third-party software generally behave much like an IP Camera also. They may not have ONVIF compliance but you may be able to find a Stream URL online.
Some cameras and NVRs do not allow third-party connections. They are usually labelled as P2P devices. You'll probably need to use their downloaded applications and a connection to their servers to make use of the device. Sadly, these devices cannot be used with Shinobi unless they are modified or provide the option to enable RTSP or RTMP.
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