使用DirectDraw实现的YUV播放器，支持多种视频格式，支持多种分辨率。实现了播放、暂停、停止、快进等功能。-Implemented using DirectDraw YUV player that supports multiple video formats, support for multiple resolutions. To achieve a play, pause, stop, fast forward and other functions.

用来测试windwos显示视频的各个方式效率的关键代码,用于对比GDI,DIRECTDRAW YUV OVERLAY,DIRECT3D显示效率的差异-Used to test Windows to display video in various ways the key to efficient code, for comparison GDI, DIRECTDRAW YUV OVERLAY, DIRECT3D show differences in efficiency