private void processExtendedTextTable(Collection <Mpeg2Section> sections)
{
foreach (Mpeg2Section section in sections)
{
if (RunParameters.Instance.DebugIDs.Contains("EXTENDEDTEXTTABLE"))
{
Logger.Instance.Dump("PSIP Extended Text Table", section.Data, section.Data.Length);
}
try
{
Mpeg2ExtendedHeader mpeg2Header = new Mpeg2ExtendedHeader();
mpeg2Header.Process(section.Data);
if (mpeg2Header.Current)
{
ExtendedTextTable extendedTextTable = new ExtendedTextTable();
extendedTextTable.Process(section.Data, mpeg2Header);
extendedTextTable.LogMessage();
}
}
catch (ArgumentOutOfRangeException e)
{
Logger.Instance.Write("<e> PSIP error: " + e.Message);
}
}
}
private void processEvent(int frequency, int sourceID, EventInformationTableEntry eventEntry)
{
VirtualChannel channel = VirtualChannelTable.FindChannel(frequency, sourceID);
if (channel == null)
{
return;
}
EPGEntry epgEntry = new EPGEntry();
epgEntry.EventID = eventEntry.EventID;
if (eventEntry.EventName != null)
{
epgEntry.EventName = eventEntry.EventName.ToString().Replace("\0", "");
}
else
{
epgEntry.EventName = "No Event Name";
}
if (eventEntry.ETMLocation == 1 || eventEntry.ETMLocation == 2)
{
ExtendedTextTableEntry textEntry = ExtendedTextTable.FindEntry(sourceID, eventEntry.EventID);
if (textEntry != null)
{
epgEntry.ShortDescription = textEntry.Text.ToString().Replace("\0", "");
}
}
epgEntry.StartTime = Utils.RoundTime(TimeOffsetEntry.GetAdjustedTime(eventEntry.StartTime));
epgEntry.Duration = Utils.RoundTime(eventEntry.Duration);
epgEntry.EventCategory = getEventCategory(epgEntry.EventName, epgEntry.ShortDescription, eventEntry);
epgEntry.ParentalRating = eventEntry.ParentalRating;
epgEntry.ParentalRatingSystem = "VCHIP";
epgEntry.AudioQuality = eventEntry.AudioQuality;
epgEntry.EPGSource = EPGSource.PSIP;
channel.AddEPGEntry(epgEntry);
}
private void processExtendedTextTable(Collection<Mpeg2Section> sections)
{
foreach (Mpeg2Section section in sections)
{
if (RunParameters.Instance.DebugIDs.Contains("EXTENDEDTEXTTABLE"))
Logger.Instance.Dump("PSIP Extended Text Table", section.Data, section.Data.Length);
try
{
Mpeg2ExtendedHeader mpeg2Header = new Mpeg2ExtendedHeader();
mpeg2Header.Process(section.Data);
if (mpeg2Header.Current)
{
ExtendedTextTable extendedTextTable = new ExtendedTextTable();
extendedTextTable.Process(section.Data, mpeg2Header);
extendedTextTable.LogMessage();
}
}
catch (ArgumentOutOfRangeException e)
{
Logger.Instance.Write("<e> PSIP error: " + e.Message);
}
}
}
/// <summary>
/// Create the EPG entries.
/// </summary>
public override void FinishFrequency()
{
if (RunParameters.Instance.DebugIDs.Contains("LOGPSIPEXTENDEDTEXT"))
{
ExtendedTextTable.LogEntries();
}
AtscPsipProgramCategory.LogCategoryUsage();
if (VirtualChannelTable.Channels.Count == 0)
{
return;
}
Logger titleLogger = null;
Logger descriptionLogger = null;
if (RunParameters.Instance.DebugIDs.Contains("LOGTITLES"))
{
titleLogger = new Logger("EPG Titles.log");
}
if (RunParameters.Instance.DebugIDs.Contains("LOGDESCRIPTIONS"))
{
descriptionLogger = new Logger("EPG Descriptions.log");
}
foreach (VirtualChannel channel in VirtualChannelTable.Channels)
{
TVStation station = TVStation.FindStation(channel.CollectionFrequency, channel.MajorChannelNumber, channel.MinorChannelNumber);
if (station == null)
{
station = new TVStation(channel.ShortName);
station.OriginalNetworkID = channel.CollectionFrequency;
station.TransportStreamID = channel.MajorChannelNumber;
station.ServiceID = channel.MinorChannelNumber;
station.ChannelID = channel.MajorChannelNumber + ":" + channel.MinorChannelNumber + ":" + channel.ShortName;
TVStation.AddStation(station);
}
station.Name = channel.ShortName;
if (station.LogicalChannelNumber == -1)
{
station.LogicalChannelNumber = (channel.MajorChannelNumber * 100) + channel.MinorChannelNumber;
}
station.MinorChannelNumber = channel.MinorChannelNumber;
if (station.EPGCollection.Count == 0)
{
foreach (EPGEntry epgEntry in channel.EPGCollection)
{
station.EPGCollection.Add(epgEntry);
if (titleLogger != null)
{
titleLogger.Write(epgEntry.ServiceID + " " +
epgEntry.StartTime.ToShortDateString() + " " +
epgEntry.StartTime.ToString("HH:mm") + " - " +
epgEntry.StartTime.Add(epgEntry.Duration).ToString("HH:mm") + " " +
epgEntry.EventName);
}
if (descriptionLogger != null && epgEntry.ShortDescription != null)
{
descriptionLogger.Write(epgEntry.ServiceID + " " +
" Evt ID " + epgEntry.EventID +
epgEntry.StartTime.ToShortDateString() + " " +
epgEntry.StartTime.ToString("HH:mm") + " - " +
epgEntry.StartTime.Add(epgEntry.Duration).ToString("HH:mm") + " " +
epgEntry.ShortDescription);
}
}
}
}
}
private void getExtendedTextData(ISampleDataProvider dataProvider, BackgroundWorker worker)
{
Logger.Instance.Write("Collecting Extended Text data", false, true);
ExtendedTextTable.Clear();
int[] extendedTextPids = masterGuideTable.GetETTPids();
if (extendedTextPids.Length == 0)
{
Logger.Instance.Write("", true, false);
Logger.Instance.Write("No Extended Text Data PID's in Master Guide Table");
return;
}
dataProvider.ChangePidMapping(masterGuideTable.GetETTPids());
guideReader = new TSStreamReader(0xcc, 2000, dataProvider.BufferAddress);
guideReader.Run();
int lastCount = 0;
int repeats = 0;
bool done = false;
while (!done)
{
if (worker.CancellationPending)
{
return;
}
Thread.Sleep(2000);
Logger.Instance.Write(".", false, false);
Collection <Mpeg2Section> sections = new Collection <Mpeg2Section>();
guideReader.Lock("LoadMessages");
if (guideReader.Sections.Count != 0)
{
foreach (Mpeg2Section section in guideReader.Sections)
{
sections.Add(section);
}
guideReader.Sections.Clear();
}
guideReader.Release("LoadMessages");
if (sections.Count != 0)
{
processExtendedTextTable(sections);
}
if (ExtendedTextTable.TextEntries.Count == lastCount)
{
repeats++;
done = (repeats == RunParameters.Instance.Repeats);
}
else
{
repeats = 0;
}
lastCount = ExtendedTextTable.TextEntries.Count;
}
Logger.Instance.Write("", true, false);
Logger.Instance.Write("Stopping reader");
guideReader.Stop();
Logger.Instance.Write("Extended Text Data: Entry count: " + ExtendedTextTable.TextEntries.Count + " buffer space used: " + dataProvider.BufferSpaceUsed);
}
