在linux系统下采用v4l2框架实现对摄像头视频的实时采集，并且在Qt界面上显示，可以运用在linux PC机上，也可以用在嵌入式系统下/-V4l2 linux system used under the framework implementation of real-time collection of video camera, and displayed on the Qt interface can be used in the linux PC machine can also b

本文介绍了嵌入式Linux 系统中USB 设备驱动程序开发的基本原理, 通过分析USB 驱动程序开发的程序框架和重要数据结构, 实现了USB 摄像头的嵌入式Linux 驱动程序, 并在S3C2410 的平台上实现了图像采集。-This paper introduces embedded Linux system, USB device driver development of the basic principles, through the analysis of USB driver de

通过V4L2驱动的框架写的如何调用V4L2设备文件去获捕一张照片的程序。-Via V4L2 driver how to write the framework document to be called V4L2 device program catch a photo.

基于cortex-A9的android下的照相机照相程序（头文件和cpp程序），包含了相关的V4L2架构的相关头文件。-Camera based on Android cortex-A9 camera (header file and cpp code), including the relevant V4L2 framework of the relevant header file.