/// <summary>
/// Returns a section list for the entire specified table. Caller must dispose the resulting ISectionList
/// </summary>
/// <param name="PID">program ID</param>
/// <param name="TID">table ID</param>
/// <returns>returns the section list neccesary to read the whole table</returns>
private ISectionList GetTableSectionList(short PID, byte TID)
{
ISectionList sectionList = null;
int hr = mpeg2Data.GetTable(PID, TID, null, Parser.Timeout, out sectionList);
DsError.ThrowExceptionForHR(hr);
return(sectionList);
}
public static PSISection[] GetPSITable(int pid, int tableId, IMpeg2Data mpeg2Data)
{
ArrayList al = new ArrayList();
ISectionList ppSectionList;
int hr = mpeg2Data.GetTable((short)pid, (byte)tableId, null, 5000, out ppSectionList);
if (ppSectionList != null)
{
short pidFound = -1;
ppSectionList.GetProgramIdentifier(out pidFound);
if (pidFound == (short)pid)
{
byte tableIdFound = 0;
ppSectionList.GetTableIdentifier(out tableIdFound);
if (tableIdFound == (byte)tableId)
{
short sectionCount = -1;
ppSectionList.GetNumberOfSections(out sectionCount);
short sectionNumber = 0;
for (sectionNumber = 0; sectionNumber < sectionCount; sectionNumber++)
{
try
{
int pdwRawPacketLength;
IntPtr ppSection;
ppSectionList.GetSectionData(sectionNumber, out pdwRawPacketLength, out ppSection);
byte[] data = new byte[pdwRawPacketLength];
Marshal.Copy(ppSection, data, 0, pdwRawPacketLength);
PSISection table = ParseTable(tableId, data);
Marshal.ReleaseComObject(ppSectionList);
al.Add(table);
}
catch { }
}
}
}
Marshal.ReleaseComObject(ppSectionList);
}
return((PSISection[])al.ToArray(typeof(PSISection)));
}
private void BuildSinkGraph(ITuningSpace tuningSpace)
{
this.graphBuilder = (IFilterGraph2) new FilterGraph();
this.rot = new DsROTEntry(this.graphBuilder);
this.epg = new EPG(this.hostingControl);
this.cookiesSink = this.hostingControl.SubscribeEvents(this as VideoControl.IVideoEventHandler, this.graphBuilder as IMediaEventEx);
AddNetworkProviderFilter(this.objTuningSpace);
AddMPEG2DemuxFilter();
AddMpeg2VideoStreamAnalyzerFilter();
CreateMPEG2DemuxPins();
AddAndConnectBDABoardFilters();
if (this.tuner == null && this.capture == null)
{
throw new ApplicationException("No BDA devices found!");
}
if (this.H264DecoderDevice != null || !isH264ElecardSpecialMode)
{
//+++ This order is to avoid a bug from the DirectShow
AddAndConnectSectionsAndTablesFilterToGraph();
IMpeg2Data mpeg2Data = this.bdaSecTab as IMpeg2Data;
ISectionList ppSectionList;
int hr2 = mpeg2Data.GetTable(0, 0, null, 0, out ppSectionList);
AddAndConnectTIFToGraph();
//---
}
ConfigureTimeShiftingRegistry();
AddStreamBufferSinkFilter();
ConnectStreamBufferSinkFilter();
this.epg.RegisterEvent(TransportInformationFilter as IConnectionPointContainer);
}
private void TestGetTable()
{
int hr;
ISectionList sectionList;
short PID = 0x12; // is the PID of a Event Information Table (EIT)
byte TID = 0x4e; // is the TID for event_information_section - actual_transport_stream, present/following
MPEG2Filter mpeg2Filter = new MPEG2Filter();
mpeg2Filter.bVersionNumber = 1;
mpeg2Filter.wFilterSize = 124; // MPEG2_FILTER_VERSION_1_SIZE = Marshal.SizeOf(mpeg2Filter) = 124;
hr = mpeg2Data.GetTable(PID, TID, mpeg2Filter, 10 * 1000, out sectionList);
if (hr != unchecked ((int)0x80040206)) //MPEG2_E_SECTION_NOT_FOUND
{
DsError.ThrowExceptionForHR(hr);
Debug.Assert((hr == 0) && (sectionList != null), "IMpeg2Data.GetStreamOfSections");
Marshal.ReleaseComObject(sectionList);
}
}
public static PSISection[] GetPSITable(int pid, int tableId, IMpeg2Data mpeg2Data)
{
ArrayList al = new ArrayList();
ISectionList ppSectionList;
int hr = mpeg2Data.GetTable((short)pid, (byte)tableId, null, 5000, out ppSectionList);
if (ppSectionList != null)
{
short pidFound = -1;
ppSectionList.GetProgramIdentifier(out pidFound);
if (pidFound == (short)pid)
{
byte tableIdFound = 0;
ppSectionList.GetTableIdentifier(out tableIdFound);
if (tableIdFound == (byte)tableId)
{
short sectionCount = -1;
ppSectionList.GetNumberOfSections(out sectionCount);
short sectionNumber = 0;
for (; sectionNumber < sectionCount; sectionNumber++)
{
int pdwRawPacketLength;
IntPtr ppSection;
ppSectionList.GetSectionData(sectionNumber, out pdwRawPacketLength, out ppSection);
byte[] data = new byte[pdwRawPacketLength];
Marshal.Copy(ppSection, data, 0, pdwRawPacketLength);
PSISection table = ParseTable(tableId, data);
Marshal.ReleaseComObject(ppSectionList);
al.Add(table);
}
}
}
Marshal.ReleaseComObject(ppSectionList);
}
return (PSISection[])al.ToArray(typeof(PSISection));
}
