Introduction - If you have any usage issues, please Google them yourself
Personal Practice Summary: The libv4l-0.4.3 and higher version of the 0.5 version and 0.6 versions compared, followed by easy-to low-version of the Linux 2.6.18 kernel, 0.5,0.6 high version of the libv4l install 2.6.18 be added on the lack of hard core. Different versions for different Linux kernel version.