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I will be needing to capture a video stream from an analog connection (RS-232, S-video, or composite) to process it in OpenCV. Is it possible to get a list of available such cameras with python? It seems the videocapture lib can list available devices, but I am not sure if that includes devices connected through other means than usb. As of 2011 at least, it would seem such a functionality is not included natively in OpenCV (reference here). Any help will be very much appreciated!

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  • https://stackoverflow.com/questions/8044539/listing-available-devices-in-python-opencv seems to work with some non-USB cameras. – David Cary Sep 15 '20 at 20:10

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