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USB Video Class Driver Overview • • 2 minutes to read • Contributors • In this article If you are providing a driver for a webcam or a digital camcorder, consider using the system-supplied universal serial bus (USB) Video Class driver, Usbvideo.sys. The USB Video Class (UVC) driver is a Microsoft-provided AVStream minidriver that provides driver support for USB Video Class devices. When your device uses UVC, you do not need to supply your own driver. Instead, the device works automatically with the system-supplied driver. In the USB Video Class model, vendors do not write drivers; instead, vendors implement video streaming hardware according to the guidelines in the. The UVC driver queries the hardware directly to obtain its capabilities and then drives the device, with no proprietary driver required.

You can optionally extend UVC driver functionality to add vendor-specific processing. The following table shows support for UVC in different versions of Windows: UVC Version Windows Vista/XP Windows 7 Windows 8 USB Video Class 1.5 (H.264 video codec) Not supported Not supported Supported USB Video Class 1.1 Not supported Supported Supported USB Video Class 1.0 Supported Supported Supported Beginning with Windows 8, the H.264 video codec (encoder/decoder) is supported. H.264 is an open standard that allows efficient video compression techniques for reducing the use of network bandwith and storage space. This leads to a higher video quality for a given bit rate.

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20Gbps USB 3.2 coming to desktops this year, brings new branding for USB 3.0 & USB 3.1 FTC settles with supplement maker in first case against fake, paid reviews on Amazon 8 comments. USB drivers allow information to be moved between electronic devices. USB driver ports can also provide electricity transversely from the cable to individual.

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