Connecting to NVRs with third-party apps

strxandr

n3wb
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Sep 14, 2018
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Hi everyone! I have a question.
Is there any kind of unified protocols or API for connecting to NVR, gathering info about connected cameras, getting RTSP urls, etc? Maybe defined by ONVIF/some another standard.
For example, there're many of mobile apps available for iOS/Android that can connect to some NVR's and show streams from it. Is they're using any standard NVR interfaces, or their creators just reversed API for web interface and used it?
 
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