对于视频编解码感兴趣的初学者非常有帮助，深入学习JPEG编码中RGB转成YUV格式的细节！-For beginners interested in video codec is very helpful, in-depth study details of the JPEG encoder RGB to YUV format!

基于V4L2的视频采集，能够采集YUV、JPEG、BMP格式的图像。编译前请先阅读README.-Based on V4L2 video acquisition, and can be collected YUV, JPEG, BMP format picture.Please read the README before compilation.