Low CPU usage

Support and queries relating to third party Live CDs and DVD, VM images and other packaged distributions
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apolonio
Posts: 6
Joined: Thu May 17, 2018 10:09 pm

Low CPU usage

Post by apolonio » Fri Jun 01, 2018 8:51 pm

Was hoping to use an old laptop as a zoneminder NVR box. Looking at about 4 1080P streams via H.264 RTSP streams.

If I do not do any image analysis, (MONITOR, RECORD or NODECT) to CPU requirements drop or is there still a high CPU requirement due to the need to decode those streams?

The laptop is a Dell 6510 Core i5, 2.67Ghz, 4GB of RAM, and a 5400RPM 1TB drive. Gig ethernet.

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Lee Sharp
Posts: 1069
Joined: Sat Mar 31, 2007 9:18 pm
Location: Houston, TX

Re: Low CPU usage

Post by Lee Sharp » Sun Aug 05, 2018 1:47 am

You will need to decode the h264 and then display it, so there is some work. And 1080p is not lightweight. I have 4 720 streams in a VM with 2 cores and 3 gig of ram and I am getting close to the limits when I am looking at video. This is with modetect however.

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