下位机图像捕获程序，及其源代码，编译环境Ubuntu 9.10 codeblocks 8.02。-Lower computer image capture process, and its source code, build environment Ubuntu 9.10 codeblocks 8.02.

linux下通过V4L2的接口调用camera，获取数据。保存成YUV和RGB文件。可以通过YUV和RGB工具查看是否获取数据正常与否。可以在ubuntu中，切换成framebuffer，申请一块内存使其显示在屏幕。-in linux,with v4l2 interface,open camera and obtain data buffer.we can save data buffer with yuv or rgb.such as rawview tools,check data buff

ubuntu环境下c-c++程序，利用v4l2驱动采集usb摄像头视频并通过QT4界面显示出来，是学习v4l2视频采集和QT4的好例子-a usb video capture example with README help inside under ubuntu12.04LTS,it can be used to study v4l2 video and qt4 program

基于Ubuntu下的使用V4L2进行视频传输-Video transmission based on the use V4L2 Ubuntu under