Direct Download /hls/<cameraId>.<format>

Answered

Paul Eaton

May 06, 2020 17:49

 The description mentions high and low quality options for the download. Is there a description for what is considered high and low quality? What is the default setting if quality is not specified? What values are used if specified, 0 & 1?

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• Official comment

  

  Sergey Yuldashev

  • Network Optix team

  May 07, 2020 11:14

  Hello Paul,

  "hi" and "lo" parameters in case of Direct Download stand for the native resolutions of the Primary(Hi-Res) and Secondary(Low-Res) streams as you see those in Nx Desktop Client.

  The usage of those parameters is simple enough, they should just be put to the query without any values:

   /hls/<cameraId>.<format>?hi - will return high-resolution video.

   /hls/<cameraId>.<format>?lo - will return high-resolution video
• 

  Paul Eaton

  May 09, 2020 14:00

  Thank you so much Sergey. Much appreciated for the quick response. One other question on this subject. What is the default Hi or Lo?

   

  Thanks Again!

  Paul

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• 

  Sergey Yuldashev

  • Network Optix team

  May 12, 2020 09:45

  Hi Paul,

  Server will try to download the highest resolution possible by default.

  Consider the following situation - camera recording is set to "Low-Res + Motion" mode. Which means that High-resolution video will be available only for the moments when the motion is detected in the Region Of Interest. The rest of a timeline is available only in low resolution.

  For example, you send a request with parameters ?pos=1589270000000&duration=100000 and there is a motion at the moment of 1589270050000, you will get a "mixed" video - with first part in low-res and the second part in high-res.

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