Blue Iris and or Dahua Cam motion detect.

MickPB

Getting the hang of it
Joined
Oct 16, 2019
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Does a trigger from the camera then create a delay befor BI will detect motion?

Does doing motion detect on BI increase CPU usage for h.264? Seems like it would have to decode the stream to do the motion detect but my limited and unscientific testing (who knows what windows is doing in background) says that it takes very little. Maybe 1% per Camera when the motion is low.


In case it matters. I've got Dahua 2231 and 5231 cameras and am comparing the motion detect to BI.

The Front cams are setup with "Cameras digital input or motion alarm" and the cameras in back are setup with "Motion Sensor" and "Cameras digital...". The alerts from the front cameras always say jpg H264. In the back nearly all also say jpg H264 but a couple say Motion A. The motion A alerts show the "motion Detect" so I know this is from BI.
 
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