最新的测试版：一个可用于编写v4l2 camera应用程序的库libv4l,里面除有常用的v4l2 ioctl调用的封装API外，还有yuv到rgb转换、rgb到yuv转换和jpeg decoder API。-The latest test version of: an application for writing v4l2 camera library libv4l, which are commonly used in addition to the package v4l2 ioctl

个人实践总结：该libv4l-0.4.3与高版本的0.5版本与0.6版本相比，跟易于添加到Linux 2.6.18等低版本的内核中，0.5、0.6等高版本的libv4l安装在2.6.18内核上缺很难添加进去。不同的版本适合于不同的Linux内核版本。-Personal Practice Summary: The libv4l-0.4.3 and higher version of the 0.5 version and 0.6 versions compared, followed by eas