一个采用framebuffer方式向液晶上显示的例子，最基础的显示点。即打开framebuffer、内存映射，直接画点。-By way of a liquid crystal display framebuffer example, the display of the most basic point. That is to open framebuffer, memory mapping, direct drawing point.

该包中是视频采集的源码,里面有基本的从/dev/video 节点读取视频流数据，然后将yuv数据转换成RGB 输出到 framebuffer(fb) 中显示-this is the sorce of the video capture