public SlideStreamMgr(ArchiveTranscoderJob job, ArchiveTranscoderJobSegment segment, LogMgr logMgr, double fps, int width, int height) { this.job = job; this.segment = segment; this.logMgr = logMgr; if (width > 0 && height > 0) { this.outputWidth = width; this.outputHeight = height; } this.ticksBetweenFrames = (long)((double)Constants.TicksPerSec / fps); uncompressedMT = getUncompressedMT(this.outputWidth, this.outputHeight, fps); cancel = false; initialized = false; pptInstalled = Utility.CheckPptIsInstalled(); if ((!DateTime.TryParse(segment.StartTime, out start)) || (!DateTime.TryParse(segment.EndTime, out end))) { throw(new System.Exception("Failed to parse start/end time")); } this.nextFrameTime = start.Ticks; format = Utility.StringToPresenterWireFormatType(segment.PresentationDescriptor.PresentationFormat); payload = Utility.formatToPayload(format); cname = segment.PresentationDescriptor.PresentationCname; slideImageMgr = new SlideImageMgr(format, this.outputWidth, this.outputHeight); //Get the start time for the entire conference and use that to get streams. long confStart = DatabaseUtility.GetConferenceStartTime(payload, cname, start.Ticks, end.Ticks); if (confStart <= 0) { logMgr.WriteLine("Warning: No conference exists in the database that matches this presentation: " + cname + " with PresentationFormat " + format.ToString()); logMgr.ErrorLevel = 7; confStart = start.Ticks; } //Get the relevant stream_id's and create DBStreamPlayers for each. streamIDs = DatabaseUtility.GetStreams(payload, segment.PresentationDescriptor.PresentationCname, null, confStart, end.Ticks); DateTime sdt = new DateTime(confStart); Debug.WriteLine("***Conference start: " + sdt.ToString() + " end: " + end.ToString()); if ((streamIDs == null) || (streamIDs.Length == 0)) { Debug.WriteLine("No presentation data found."); logMgr.WriteLine("Warning: No presentation data was found for the given time range for " + cname + " with PresentationFormat " + format.ToString()); logMgr.ErrorLevel = 7; streamPlayers = null; return; } streamPlayers = new DBStreamPlayer[streamIDs.Length]; for (int i = 0; i < streamIDs.Length; i++) { streamPlayers[i] = new DBStreamPlayer(streamIDs[i], confStart, end.Ticks, payload); } lookBehindDuration = 0; if (streamPlayers[0].Start < start) { lookBehindDuration = ((TimeSpan)(start - streamPlayers[0].Start)).TotalSeconds; } }