You can optionally extend UVC driver functionality to add vendor-specific processing. The UVC driver queries the hardware directly to obtain its capabilities and then drives the device, with no proprietary driver required. Instead, vendors implement video streaming hardware according to the guidelines in the Universal Serial Bus Device Class Definition for Video Devices Specification document located on the USB Implementers Forum website. In the USB Video Class model, vendors don't write driver. Instead, the device works automatically with the system-supplied driver. When your device uses UVC, you don't need to supply your own driver. The USB Video Class (UVC) driver is a Microsoft-provided AVStream minidriver that provides driver support for USB Video Class devices. If you're providing a driver for a webcam or a digital camcorder, consider using the system-supplied USB Video Class (UVC) driver, Usbvideo.sys.
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