该源码是主要对视频的播放，对视频的暂停，和视频分析，截取。-The source is mainly for video playback, pause the video, and video analysis, interception

LABVIEW的USB视频采集系统 截图保存并且可以分析图像的grab图的值-LabVIEW USB video capture screenshot image is saved and can be analyzed grab the value of