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AWB - how often is it updated when videoing 24/7

Hello.

We are using the IPNC_RDK v3.8 on our proprietary HW.

I chose WhiteBalance mode as DAY_D55 - since the camera will be filming outdoors. At night, though, the color scheme may change - streetlights, etc.

Are the AWB values updated periodically? Are they sensitive to extreme changes of lighting conditions?

Below are 2 pictures. 1st one taken with my smartPhone camera and the other, pinkish one, with the MT9J003 10Mp sensor in our proprietary camera. For some reason the extra-bright light sets off the AWB - so the picture is reddish (too much R).

The feeling I have is that the AWB parameters are set onceand left that way all the time the camera is running.

Is there any dynamic update of the AWB parameters?

Thanks,

Mechi