一、什么是文件系统 (Filesystem)
A directory structure contained within a disk drive or disk area. The total available disk space can be composed of one or more filesystems. A filesystem must be mounted before it can be...
转自 http://www.xiangb.com/vga/vga_946.html
Video for Linux two(Video4Linux2)简称V4L2,是V4L的改进版。V4L2是linux操作系统下用于采集图片、视频和音频数据的API接口,配合适当的视频采集设备和相应的驱动程序,可以实现图片、视频...