DirectShow, GStreamer, V4L, etc), or HTTP client in case of IP cameras, which is used to access webcam devices which are exposed by these frameworks. The capture framework abstracts API installed or pre-installed in operating system (e.g. Webcam Capture API utilizes the idea of capture frameworks. Webcam Capture API has nothing to do with USB in general, and there is no code to differentiate USB/UVC. ![]() In Webcam Capture API you only have abstraction, something called capture driver, which is not the same as the low-level USB/UVC drivers used by the operating system. Hi do not understand to what kind of drivers you are referring to as USB 2.0 driver and General UVC driver.
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