Hi, I’m in the midst of building a patch where a portion of it utilises the isight webcam on board the Macbook Pro to read brightness/light levels (not using the ambient light sensor).
The path is as such: jit.qt.grab to jit.3m
As many of you guys might have known, apple does not provide the feature of disabling auto white balance in the operating system (there is a paid app out there, but I hope to be able to figure it out on Jitter). Even if I adjust the saturation, brightness and contrast level to minimise the fluctuating effect, the auto white balance will still kick in and thereby creating an unstable reading of the brightness level output. I require a stable and smooth reading as I will be using the values for musical purposes.
I am using a simple hand gesture where the hand moves towards and away infront of the isight webcam (imagine mimicking a theremin performance). I’ve even tried turning the signal into greyscale and using a black glove!
Does anyone know of any ways to get about fixing this? Or would someone be kind enough to recommend something else?
can you post a patch and explain what the exact issue is?? i use the internal camera all the time for simple tracking and never had issues… so I am not sure how to help. with a bit more info I am sure I can help you out a bit more, or at least point you in the right direction!
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