private bool createMpeg2Section(Collection <Mpeg2Section> sections) { if (RunParameters.Instance.TraceIDs.Contains("PIDHANDLER")) { Logger.Instance.Write(getPidID() + "Creating MPEG2 section"); } mpeg2Section = new Mpeg2Section(); mpeg2Section.Data = new byte[length + 3]; mpeg2Section.Length = length + 3; mpeg2Section.PID = pid; mpeg2Section.Data[0] = table; mpeg2Section.Data[1] = lengthByte1; mpeg2Section.Data[2] = lengthByte2; for (sectionIndex = 3; sectionIndex < length + 3; sectionIndex++) { if (packetIndex == siPacket.ByteData.Length) { if (RunParameters.Instance.TraceIDs.Contains("PIDHANDLER")) { Logger.Instance.Write(getPidID() + "Need more data"); } status = handlerStatus.awaitingMoreData; return(false); } mpeg2Section.Data[sectionIndex] = siPacket.ByteData[packetIndex]; packetIndex++; } if (RunParameters.Instance.TraceIDs.Contains("PIDHANDLER")) { Logger.Instance.Write(getPidID() + "Got table"); } if ((mpeg2Section.Data[1] & 0x80) != 0) { bool checkCRC = mpeg2Section.CheckCRC(); if (!checkCRC) { Logger.Instance.Write(getPidID() + "CRC failed"); return(true); } } sections.Add(mpeg2Section); if (RunParameters.Instance.TraceIDs.Contains("PIDHANDLER")) { Logger.Instance.Dump(getPidID() + "MPEG2 Section", mpeg2Section.Data, mpeg2Section.Data.Length); } return(true); }
private void getSection(BackgroundParameters parameters) { if (siPacket == null) { siPacket = getPacket(true); if (siPacket == null) { return; } if (parameters.Table != 0xff && parameters.Table != siPacket.ByteData[siPacket.DataIndex]) { siPacket = null; return; } packetIndex = siPacket.DataIndex; } if (packetIndex > siPacket.ByteData.Length - 1) { siPacket = getPacket(false); if (siPacket == null) { Thread.Sleep(500); return; } packetIndex = siPacket.DataIndex; } byte table = siPacket.ByteData[packetIndex]; if (table == 0xff) { siPacket = null; return; } if (packetIndex == siPacket.ByteData.Length - 1) { siPacket = getPacket(false); if (siPacket == null) { Thread.Sleep(500); return; } packetIndex = siPacket.Index; } else { packetIndex++; } byte lengthByte1 = siPacket.ByteData[packetIndex]; if (packetIndex == siPacket.ByteData.Length - 1) { siPacket = getPacket(false); if (siPacket == null) { Thread.Sleep(500); return; } packetIndex = siPacket.Index; } else { packetIndex++; } byte lengthByte2 = siPacket.ByteData[packetIndex]; packetIndex++; int length = ((lengthByte1 & 0x0f) * 256) + lengthByte2; mpeg2Section = new Mpeg2Section(); mpeg2Section.Data = new byte[length + 3]; mpeg2Section.Length = length + 3; mpeg2Section.Data[0] = table; mpeg2Section.Data[1] = lengthByte1; mpeg2Section.Data[2] = lengthByte2; for (int index = 3; index < length + 3; index++) { if (packetIndex == siPacket.ByteData.Length) { siPacket = getPacket(false); if (siPacket == null) { Thread.Sleep(500); return; } packetIndex = siPacket.Index; } mpeg2Section.Data[index] = siPacket.ByteData[packetIndex]; packetIndex++; } if ((mpeg2Section.Data[1] & 0x80) == 1) { bool checkCRC = mpeg2Section.CheckCRC(); if (!checkCRC) { return; } } Logger.Instance.Dump("MPEG2 Section", mpeg2Section.Data, mpeg2Section.Data.Length); Lock("GetSection"); if (Sections.Count < parameters.MaxSections) { Sections.Add(mpeg2Section); } Release("GetSection"); }
private bool createMpeg2Section(Collection<Mpeg2Section> sections) { if (RunParameters.Instance.TraceIDs.Contains("PIDHANDLER")) Logger.Instance.Write(getPidID() + "Creating MPEG2 section"); mpeg2Section = new Mpeg2Section(); mpeg2Section.Data = new byte[length + 3]; mpeg2Section.Length = length + 3; mpeg2Section.PID = pid; mpeg2Section.Data[0] = table; mpeg2Section.Data[1] = lengthByte1; mpeg2Section.Data[2] = lengthByte2; for (sectionIndex = 3; sectionIndex < length + 3; sectionIndex++) { if (packetIndex == siPacket.ByteData.Length) { if (RunParameters.Instance.TraceIDs.Contains("PIDHANDLER")) Logger.Instance.Write(getPidID() + "Need more data"); status = handlerStatus.awaitingMoreData; return (false); } mpeg2Section.Data[sectionIndex] = siPacket.ByteData[packetIndex]; packetIndex++; } if (RunParameters.Instance.TraceIDs.Contains("PIDHANDLER")) Logger.Instance.Write(getPidID() + "Got table"); if ((mpeg2Section.Data[1] & 0x80) != 0) { bool checkCRC = mpeg2Section.CheckCRC(); if (!checkCRC) { Logger.Instance.Write(getPidID() + "CRC failed"); return (true); } } sections.Add(mpeg2Section); if (RunParameters.Instance.TraceIDs.Contains("PIDHANDLER")) Logger.Instance.Dump(getPidID() + "MPEG2 Section", mpeg2Section.Data, mpeg2Section.Data.Length); return (true); }
/// <summary> /// Process a sample. /// </summary> /// <param name="byteData">The sample data.</param> /// <param name="transportPacket">The transport packet header.</param> public void Process(byte[] byteData, TransportPacket transportPacket) { if (RunParameters.Instance.TraceIDs.Contains("PIDHANDLER")) { Logger.Instance.Dump(getPidID() + "Data Block", byteData, byteData.Length); Logger.Instance.Write(getPidID() + "Status: " + status); } if (continuityCount == -1) { continuityCount = transportPacket.ContinuityCount; } else { continuityCount++; if (continuityCount > 15) { continuityCount = 0; } if (transportPacket.ContinuityCount != continuityCount) { if (RunParameters.Instance.TraceIDs.Contains("PIDHANDLER")) { Logger.Instance.Write(getPidID() + "Continuity count failure: " + continuityCount + ":" + transportPacket.ContinuityCount); } continuityCount = transportPacket.ContinuityCount; status = handlerStatus.awaitingStart; discontinuities++; } } if (empty) { sections.Clear(); empty = false; } bool done = false; siPacket = new SIPacket(); siPacket.Process(byteData, transportPacket); if (RunParameters.Instance.TraceIDs.Contains("PIDHANDLERSI")) { Logger.Instance.Write(getPidID() + "Created new SI packet"); } switch (status) { case handlerStatus.awaitingStart: if (!transportPacket.StartIndicator) { if (RunParameters.Instance.TraceIDs.Contains("PIDHANDLER")) { Logger.Instance.Write(getPidID() + "Not start block"); } return; } packetIndex = siPacket.DataIndex; while (packetIndex < siPacket.ByteData.Length) { processNewSection(byteData, transportPacket, sections); } break; case handlerStatus.awaitingLengthByte1: packetIndex = siPacket.Index; lengthByte1 = siPacket.ByteData[packetIndex]; if (packetIndex == siPacket.ByteData.Length - 1) { status = handlerStatus.awaitingLengthByte2; return; } packetIndex++; lengthByte2 = siPacket.ByteData[packetIndex]; packetIndex++; length = ((lengthByte1 & 0x0f) * 256) + lengthByte2; done = createMpeg2Section(sections); if (!done) { return; } status = handlerStatus.awaitingStart; while (packetIndex < siPacket.ByteData.Length) { processNewSection(byteData, transportPacket, sections); } break; case handlerStatus.awaitingLengthByte2: packetIndex = siPacket.Index; lengthByte2 = siPacket.ByteData[packetIndex]; packetIndex++; length = ((lengthByte1 & 0x0f) * 256) + lengthByte2; done = createMpeg2Section(sections); if (!done) { return; } status = handlerStatus.awaitingStart; while (packetIndex < siPacket.ByteData.Length) { processNewSection(byteData, transportPacket, sections); } break; case handlerStatus.awaitingMoreData: packetIndex = siPacket.Index; for (; sectionIndex < length + 3; sectionIndex++) { if (packetIndex == siPacket.ByteData.Length) { if (RunParameters.Instance.TraceIDs.Contains("PIDHANDLER")) { Logger.Instance.Write(getPidID() + "Need more data"); } status = handlerStatus.awaitingMoreData; return; } mpeg2Section.Data[sectionIndex] = siPacket.ByteData[packetIndex]; packetIndex++; } if (RunParameters.Instance.TraceIDs.Contains("PIDHANDLER")) { Logger.Instance.Write(getPidID() + "Got table"); } if ((mpeg2Section.Data[1] & 0x80) != 0) { bool checkCRC = mpeg2Section.CheckCRC(); if (!checkCRC) { if (RunParameters.Instance.TraceIDs.Contains("PIDHANDLER")) { Logger.Instance.Write(getPidID() + "CRC failed"); } } else { sections.Add(mpeg2Section); if (RunParameters.Instance.TraceIDs.Contains("PIDHANDLER")) { Logger.Instance.Dump(getPidID() + "MPEG2 Section", mpeg2Section.Data, mpeg2Section.Data.Length); } } } else { sections.Add(mpeg2Section); if (RunParameters.Instance.TraceIDs.Contains("PIDHANDLER")) { Logger.Instance.Dump(getPidID() + "MPEG2 Section", mpeg2Section.Data, mpeg2Section.Data.Length); } } status = handlerStatus.awaitingStart; while (packetIndex < siPacket.ByteData.Length) { processNewSection(byteData, transportPacket, sections); } break; default: break; } siPacket = null; }
private void getSection(BackgroundParameters parameters) { if (siPacket == null) { siPacket = getPacket(true); if (siPacket == null) { Thread.Sleep(500); return; } packetIndex = siPacket.DataIndex; } if (packetIndex > siPacket.ByteData.Length - 1) { siPacket = null; return; } byte table = siPacket.ByteData[packetIndex]; if (table == 0xff) { siPacket = null; return; } if (packetIndex == siPacket.ByteData.Length - 1) { siPacket = getPacket(false); if (siPacket == null) { Thread.Sleep(500); return; } packetIndex = siPacket.Index; } else packetIndex++; byte lengthByte1 = siPacket.ByteData[packetIndex]; if (packetIndex == siPacket.ByteData.Length - 1) { siPacket = getPacket(false); if (siPacket == null) { Thread.Sleep(500); return; } packetIndex = siPacket.Index; } else packetIndex++; byte lengthByte2 = siPacket.ByteData[packetIndex]; packetIndex++; int length = ((lengthByte1 & 0x0f) * 256) + lengthByte2; if (length < 2) { packetIndex += length; return; } if (tables != null && !tables.Contains(table)) { packetIndex += length; return; } mpeg2Section = new Mpeg2Section(); mpeg2Section.Data = new byte[length + 3]; mpeg2Section.Length = length + 3; mpeg2Section.Data[0] = table; mpeg2Section.Data[1] = lengthByte1; mpeg2Section.Data[2] = lengthByte2; for (int index = 3; index < length + 3; index++) { if (packetIndex == siPacket.ByteData.Length) { siPacket = getPacket(false); if (siPacket == null) { Thread.Sleep(500); return; } packetIndex = siPacket.Index; } mpeg2Section.Data[index] = siPacket.ByteData[packetIndex]; packetIndex++; } if ((mpeg2Section.Data[1] & 0x80) == 1) { bool checkCRC = mpeg2Section.CheckCRC(); if (!checkCRC) return; } Lock("GetSection"); if (Sections.Count < parameters.MaxSections) Sections.Add(mpeg2Section); Release("GetSection"); }