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Is there a way to select a specific web cam from USB hub on a Mac or Windows?

Hi,

I am using a USB hub splitter for 2 webcams. I am also using other USB ports for other devices.

Right now, I use just an integer value when using VideoCapture(cam_num), but the cam_num integer value changes, and sometimes it's the cam (included) inside my laptop. Not good! I need a way to find a camera specifically and use it.

I see there's a way to select the camera on a linux machine, but is there a way to select a specific cam on a Mac or Windows? Thanks for the help!

Eric