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camera latency #2

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stephanschulz opened this issue Apr 14, 2022 · 3 comments
Open

camera latency #2

stephanschulz opened this issue Apr 14, 2022 · 3 comments

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@stephanschulz
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The M3115-LVE has a max resolution of 1920x1080.

When opening a stream in the browser or through one of my C++ tester apps I see a latency of about 1 second.
http://198.168.0.10/axis-cgi/mjpg/video.cgi?resolution=1920x1080&fps=24
Even at a reduced resolution of 640x480 latency is still longer than that of a normal USB web cam.

What are the best methods to reduce the latency?
Screen Shot 2022-04-13 at 8 18 41 PM

Screen Shot 2022-04-13 at 6 54 11 PM

Camera and Computer are connected via a wried connection.

@Corallo
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Corallo commented Apr 14, 2022

Not sure about this camera model, but there might be a Low latency mode, you should check in Plain config -> Image Source and see if you have a Low latency mode that you can enable.

@Corallo
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Corallo commented Apr 14, 2022

Another thing that might impact on latency is fps and WDR, maximize the fps should reduce the latency a bit, and WDR can be disabled in Plain config -> Image Source as well

@stephanschulz
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indeed the camera has a low latency toggle and it seems to improve the latency.
Screen Shot 2022-04-14 at 7 33 29 AM

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