public static extern bool H264_DVR_SetInfoFrameCallBack(int lPlayHandle, InfoFramCallBack callback, uint user);
public static extern bool H264_DVR_SetInfoFrameCallBack(int lPlayHandle, InfoFramCallBack callback, uint user);
public static extern bool H264_DVR_SetInfoFrameCallBack(int lPlayHandle, InfoFramCallBack callback, uint user);
public static extern bool H264_DVR_SetInfoFrameCallBack(int lPlayHandle, InfoFramCallBack callback, uint user);