利用vfw技术实现avi视频文件播放，并可按帧转换为bmp位图文件。 AVIFileOpen,AVIFileGetStream,AVIStreamInfo,AVIFileRelease,AVIFileInit,AVIFileExit,AVIStreamGetFrameOpen,AVIStreamGetFrameClose,CreateFile,WriteFile,CloseHandle. ActiveMovie控件，声道音量调节CVolumeDlg,声道平衡调节CBalanceDlg

从AVI视频流中获取单帧的图像数据纹理贴图-AVI video stream from a single frame of image data to obtain texture mapping