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;
}
}