RTSP Streaming for Virtual Camera

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Yihsuan Hsueh

• July 18, 2022 06:30

Hi,

I use Nx Witness 4.2.0.34860.

I used RTSP streaming url from Video API like "rtsp://192.168.16.98:7001/<cameraId>", but I cannot open the stream from virtual camera using this url.

I am wondering how to get the RTSP streaming url for a virtual camera?

 

Thanks.

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• 

  Anton Babinov

  • July 18, 2022 12:59

  Hi Yihsuan,

  Virtual cameras usually used to import previously recorded footage to the archive and there is no live stream to access for such cameras. As a result, when you accessing rtsp://192.168.16.98:7001/<cameraId>, mediaserver fails to find live stream for requested camera.

  However, you can access archived data for Virtual camera. Here is an example:

  1. Get to list of recorded time periods for virtual camera:

  https://127.0.0.1:7001/ec2/recordedTimePeriods?cameraId=1

  "error": "0",
  
  "errorId": "ok",
  
  "errorString": "",
  
  "reply": [
  
  {
  
  "guid": "{726a51c4-d15e-34d9-c394-19b7bcf9402e}",
  
  "periods": [
  
  {
  
  "durationMs": "1328618",
  
  "startTimeMs": "1650802821000"
  
  }
  
  ]
  
  }
  
  ]
  
  }

  2. Open rtsp steam with specifying position parameter:

   rtsp://127.0.0.1:7001/1?pos=1650802821000

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