说明：  在linux 系统中它能做到视频捕获大全,包含全部函数定义和说明... 值得开发借鉴... 视频捕捉回访和视频处理功能,对采集的视频桢可以进行字幕叠加,马赛克等处理
(the system can do video capture Daquan, includes all function definitions and descriptions ... from ... developing their return and video capture video processing capabilities, the acquisition of video-ching can be superimposed subtitles, mosaics handle)