public VideoTimePeriodsPacket Search(DateTime beginTime, DateTime endTime, IVideoInfo videoInfo) { string path = GlobalData.VideoPath(videoInfo.VideoId, videoInfo.StreamId); DateTime[] dates = VideoStoragerManager.GetFolderPaths(videoInfo.VideoId, videoInfo.StreamId, beginTime, endTime); List <TimePeriodPacket> tis = new List <TimePeriodPacket>(); Parallel.ForEach(dates, date => { string folder = Path.Combine(path, GlobalProcess.FolderPath(date)); var array = FolderManager.GetTimePeriods(folder); if (array.Length > 0) { lock (tis) tis.AddRange(array); } }); if (endTime > DateTime.Now.Date) { tis.AddRange(findTodayLastest(path, endTime)); } var timeCombines = TimePeriodManager.Combine(tis.ToArray()); var validArray = TimePeriodManager.GetIntersections(timeCombines, new TimePeriodPacket(beginTime, endTime)); return(new VideoTimePeriodsPacket(videoInfo, validArray)); }