1.Video Class描述符众多,各描述之间的层次复杂,AVEO Webcam其GetConfiguration返回359字节的数据- -!。 2.术语不译作中文,是为了避免阅读驱动代码(位于内核树drivers/media/video/uvc)时中英文概念对照理解错误。 3.不同设备其传输的视频数据类型不同,Specification中下设几个文档。笔记以此 AVEO Webcam(市面售价50...
UsbVideoHeader 元數據承載是 sizeof(KSCAMERA_METADATA_ITEMHEADER) + sizeof(KSTREAM_UVC_METADATA) 或 24 個字節。產生的元數據應符合第 2.2.3 節中所述的 Microsoft 標準格式元數據。2.2.2.10 IR 火炬控制此控件為 IR LED 硬體提供彈性的方法,可報告其可控制的程度,並提供控制它的能力。 這是一種全域控...
Starting in Windows 10, an inbox USB Video Class (UVC) driver is provided for devices compliant with USB Video Class specification (versions 1.0 to 1.5). This driver supports color and sensor type cameras. This document outlines how to expose certain capabilities of a UVC compliant camera to ...
这篇文档主要描述了一个视频流设备(video streaming device)要满足USB视频分类规范(USB video class specification)必须具有的最低性能和特性。 文档定义和标准化了基于USB的视频流(video streaming)功能性,并包含了对于一个设计者搭建一个具有视频流(video streaming)功能性的适应USB的设备的所有必需信息。文档还详细说...
USB Video Class Specification (Class Code - 0x0E) USB Audio Class Specification (Class Code - 0x01) USB Bluetooth Class Specification (Class Code - 0xE0) Windows 7, Windows Server 2008, Windows Vista, Microsoft Windows Server 2003 Service Pack 1 (SP1), and Microsoft Windows XP Service Pack...
UVC or USB Video Class is a USB specification created by the USB Implementers Forum (USB-IF) and it is intended to standardize the video streaming functionality on the USB, that is, if you want to create a USB embedded device capable of sending video over the USB port and compatible with...
参考资料:USB_Video_Example 1.5、UVC 1.5 Class specification 开发环境:Linux-4.13.0-41内核(虚拟机)、arm-linux-gcc-4.3.2工具链 目录 视频监控—从0写USB摄像头驱动(3)-实现数据传输(完善) 一、前言 二、代码编写 1、设置urb请求块 1.1 urb的介绍 ...
THISSPECIFICATIONALSODONOTWARRANTORREPRESENTTHATSUCH IMPLEMENTATION(S)WILLNOTINFRINGESUCHRIGHTS. Allproductnamesaretrademarks,registeredtrademarks,orservicemarksoftheirrespective owners. Revision1.1June1,2005iii USBDeviceClassDefinitionforVideoDevices RevisionHistory ...
When USB was first introduced, it did not have enough bandwidth to support DV video. However, USB 2.0 can support up to 480 Mbps, which is more than sufficient for DV video. The USB Video Device Class (UVC) specification, released in 2003, defines the payload format for USB DV video ...
这些将在特定的设备类文档中指定,比如UVC参考《UVC 1.5 Class specification.pdf》Universal Serial Bus Device Class Definition for Video Devices Revision 1.5 August 9, 2012 P60。 (1)在示例框图的顶部,多接口功能设备类(Multi-Interface Function Device Class)设备,其设备描述符包括设备类bDeviceClass、子类b...