Fail when constructing a `Camera` with an invalid source

RealOrangeOne / zoloto

A fiducial marker system powered by OpenCV - Supports ArUco and April

https://zoloto.readthedocs.io/en/stable/

BSD 3-Clause "New" or "Revised" License

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Fail when constructing a `Camera` with an invalid source #289

Open RealOrangeOne opened 2 years ago

RealOrangeOne commented 2 years ago

When constructing any cameras, if the argument is known to be invalid, we should fail immediately, rather than waiting until the user tries to process the image.