用vfw函数对基于usb摄像头的视频图像进行捕捉存储.-with usb function based on the video camera to capture images for storage.

csharp编写的视频捕捉程序。调用directx端口，直接从usb摄像头捕捉视频，并存储本地-CSharp prepared video capture program. Directx port calls directly from usb video camera to capture and store local

采集USB摄像头视频并存储为YUV格式文件-video capture and store for YUV format