YUV444和YUV420互转测试文件

YUV444和YUV420测试文件，实现YUV420与YUV444读取和保存，以及UV420与YUV444互转，并实现YUV的显示和播放功能。请参考原博客：https://blog.csdn.net/guyuealian/article/details/82454945

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2018-09-30 11:38  YUVdata\
     文件     1573632  2018-09-05 18:39  YUVdata\YUV420_1366_768.yuv
     文件     3147264  2018-08-28 15:07  YUVdata\YUV444_1366_768.yuv
     文件    34560000  2015-07-03 01:39  YUVdata\sintel_640_360.yuv
     文件     3147264  2018-09-06 16:11  YUVdata\test.yuv
     文件     1573632  2018-09-06 16:11  YUVdata\test420.yuv
     文件      460800  2012-11-15 11:39  YUVdata\yuv420_image_640_480.yuv
     文件    17971200  2012-11-16 15:39  YUVdata\yuv420_video_640_480.yuv
     文件      921600  2018-09-05 16:29  YUVdata\yuv444_image_640_480.yuv