Esempio n. 1
0
        /// <summary>
        /// Parse the section.
        /// </summary>
        /// <param name="byteData">The MPEG2 section containing the section.</param>
        /// <param name="mpeg2Header">The MPEG2 header that preceedes the section.</param>
        internal void Process(byte[] byteData, Mpeg2ExtendedHeader mpeg2Header)
        {
            lastIndex = mpeg2Header.Index;

            int descriptorLength = ((byteData[lastIndex] & 0x0f) * 256) + byteData[lastIndex + 1];

            lastIndex += 2;

            if (descriptorLength != 0)
            {
                descriptors = new Collection <DescriptorBase>();

                while (descriptorLength > 0)
                {
                    DescriptorBase descriptor = DescriptorBase.Instance(byteData, lastIndex);

                    if (!descriptor.IsEmpty)
                    {
                        descriptors.Add(descriptor);

                        lastIndex         = descriptor.Index;
                        descriptorLength -= descriptor.TotalLength;
                    }
                    else
                    {
                        lastIndex        += DescriptorBase.MinimumDescriptorLength;
                        descriptorLength -= DescriptorBase.MinimumDescriptorLength;
                    }
                }
            }
        }
Esempio n. 2
0
        /// <summary>
        /// Parse the entry.
        /// </summary>
        /// <param name="byteData">The MPEG2 section containing the transport stream.</param>
        /// <param name="index">Index of the first byte of the transport stream in the MPEG2 section.</param>
        internal void Process(byte[] byteData, int index)
        {
            lastIndex = index;

            try
            {
                eventID    = ((byteData[lastIndex] & 0x3f) * 256) + byteData[lastIndex + 1];
                lastIndex += 2;

                startTime  = new DateTime(1980, 1, 6, 0, 0, 0, DateTimeKind.Utc) + new TimeSpan(Utils.Convert4BytesToInt(byteData, lastIndex) * TimeSpan.TicksPerSecond);
                lastIndex += 4;

                etmLocation = (byteData[lastIndex] & 0x30) >> 4;
                duration    = new TimeSpan(
                    ((byteData[lastIndex] & 0x0f) * 16384) +
                    ((byteData[lastIndex + 1] * 256) +
                     byteData[lastIndex + 2])
                    * TimeSpan.TicksPerSecond);
                lastIndex += 3;

                int titleLength = (int)byteData[lastIndex];
                lastIndex++;

                if (titleLength != 0)
                {
                    eventName = new MultipleString();
                    eventName.Process(byteData, lastIndex);
                    lastIndex += titleLength;
                }

                int descriptorLoopLength = ((byteData[lastIndex] & 0x03) * 256) + (int)byteData[lastIndex + 1];
                lastIndex += 2;

                totalLength = (lastIndex - index) + descriptorLoopLength;

                if (descriptorLoopLength != 0)
                {
                    descriptors = new Collection <DescriptorBase>();

                    while (descriptorLoopLength != 0)
                    {
                        DescriptorBase descriptor = DescriptorBase.AtscInstance(byteData, lastIndex);
                        descriptors.Add(descriptor);

                        lastIndex             = descriptor.Index;
                        descriptorLoopLength -= descriptor.TotalLength;
                    }
                }

                Validate();
            }
            catch (IndexOutOfRangeException)
            {
                throw (new ArgumentOutOfRangeException("The Event Information Table entry message is short"));
            }
        }
Esempio n. 3
0
        private void processDescriptor(DescriptorBase descriptor)
        {
            switch (descriptor.Tag)
            {
            case DescriptorBase.DishNetworkShortEventDescriptorTag:
                DishNetworkShortEventDescriptor shortEventDescriptor = descriptor as DishNetworkShortEventDescriptor;
                eventName = shortEventDescriptor.EventName;
                break;

            case DescriptorBase.DishNetworkExtendedEventDescriptorTag:
                DishNetworkExtendedEventDescriptor extendedEventDescriptor = descriptor as DishNetworkExtendedEventDescriptor;
                originalDescription = extendedEventDescriptor.OriginalDescription;
                shortDescription    = extendedEventDescriptor.EventDescription;
                subTitle            = extendedEventDescriptor.SubTitle;
                closedCaptions      = extendedEventDescriptor.ClosedCaptions;
                highDefinition      = extendedEventDescriptor.HighDefinition;
                stereo = extendedEventDescriptor.Stereo;
                date   = extendedEventDescriptor.Date;
                cast   = extendedEventDescriptor.Cast;
                break;

            case DescriptorBase.DishNetworkRatingDescriptorTag:
                DishNetworkRatingDescriptor ratingDescriptor = descriptor as DishNetworkRatingDescriptor;
                parentalRating    = ratingDescriptor.ParentalRating;
                starRating        = ratingDescriptor.StarRating;
                hasSexualContent  = ratingDescriptor.HasSexualContent;
                hasStrongLanguage = ratingDescriptor.HasStrongLanguage;
                hasViolence       = ratingDescriptor.HasViolence;
                hasNudity         = ratingDescriptor.HasNudity;
                break;

            case DescriptorBase.DishNetworkSeriesDescriptorTag:
                DishNetworkSeriesDescriptor seriesDescriptor = descriptor as DishNetworkSeriesDescriptor;
                series          = seriesDescriptor.Series;
                episode         = seriesDescriptor.Episode;
                originalAirDate = seriesDescriptor.OriginalAirDate;
                break;

            case DescriptorBase.ContentDescriptorTag:
                contentType    = (descriptor as DVBContentDescriptor).ContentSubType[0];
                contentSubType = (descriptor as DVBContentDescriptor).UserType[0];
                break;

            default:
                if (RunParameters.Instance.DebugIDs.Contains("UNKNOWNDESCRIPTORS"))
                {
                    Logger.Instance.Write("Unprocessed Dish Network descriptor: 0x" + descriptor.Tag.ToString("X"));
                    if (RunParameters.Instance.DebugIDs.Contains("LOGDESCRIPTORDATA"))
                    {
                        Logger.Instance.Dump("Descriptor Data", descriptor.Data, descriptor.Data.Length);
                    }
                }
                break;
            }
        }
Esempio n. 4
0
        /// <summary>
        /// Parse the section.
        /// </summary>
        /// <param name="byteData">The MPEG2 section containing the section.</param>
        /// <param name="mpeg2Header">The MPEG2 header that preceedes the section.</param>
        internal void Process(byte[] byteData, Mpeg2ExtendedHeader mpeg2Header)
        {
            lastIndex         = mpeg2Header.Index;
            bouquetID         = mpeg2Header.TableIDExtension;
            sectionNumber     = mpeg2Header.SectionNumber;
            lastSectionNumber = mpeg2Header.LastSectionNumber;

            int bouquetDescriptorLength = ((byteData[lastIndex] & 0x0f) * 256) + byteData[lastIndex + 1];

            lastIndex += 2;

            if (bouquetDescriptorLength != 0)
            {
                bouquetDescriptors = new Collection <DescriptorBase>();

                while (bouquetDescriptorLength > 0)
                {
                    DescriptorBase descriptor = DescriptorBase.Instance(byteData, lastIndex, Scope.Bouquet);

                    if (!descriptor.IsEmpty)
                    {
                        bouquetDescriptors.Add(descriptor);
                        lastIndex = descriptor.Index;

                        bouquetDescriptorLength -= descriptor.TotalLength;
                    }
                    else
                    {
                        lastIndex += DescriptorBase.MinimumDescriptorLength;
                        bouquetDescriptorLength -= DescriptorBase.MinimumDescriptorLength;
                    }
                }
            }

            int transportStreamLoopLength = ((byteData[lastIndex] & 0x0f) * 256) + byteData[lastIndex + 1];

            lastIndex += 2;

            if (transportStreamLoopLength != 0)
            {
                transportStreams = new Collection <TransportStream>();

                while (transportStreamLoopLength > 0)
                {
                    TransportStream transportStream = new TransportStream();
                    transportStream.Process(byteData, lastIndex, Scope.Bouquet);
                    transportStreams.Add(transportStream);

                    lastIndex = transportStream.Index;
                    transportStreamLoopLength -= transportStream.TotalLength;
                }
            }

            lastIndex += transportStreamLoopLength;
        }
Esempio n. 5
0
        /// <summary>
        /// Parse the service description.
        /// </summary>
        /// <param name="byteData">The MPEG2 section containing the service description.</param>
        /// <param name="index">Index of the first byte of the service description in the MPEG2 section.</param>
        internal void Process(byte[] byteData, int index)
        {
            lastIndex = index;

            try
            {
                serviceID  = Utils.Convert2BytesToInt(byteData, lastIndex);
                lastIndex += 2;

                eitSchedule         = ((int)byteData[lastIndex] & 0x02) != 0;
                eitPresentFollowing = ((int)byteData[lastIndex] & 0x01) != 0;
                lastIndex++;

                runningStatus = (int)(byteData[lastIndex] >> 5);
                scrambled     = ((int)byteData[lastIndex] & 0x10) >> 4 == 1;

                int descriptorLoopLength = ((byteData[lastIndex] & 0x0f) * 256) + (int)byteData[lastIndex + 1];
                lastIndex += 2;

                while (descriptorLoopLength != 0)
                {
                    DescriptorBase descriptor = DescriptorBase.Instance(byteData, lastIndex, Scope.ServiceDescripton);

                    if (!descriptor.IsEmpty)
                    {
                        if (descriptor as DVBServiceDescriptor != null)
                        {
                            serviceDescriptor = descriptor as DVBServiceDescriptor;
                        }
                        else
                        {
                            if (descriptor as ServiceChannelDescriptor != null)
                            {
                                serviceChannelDescriptor = descriptor as ServiceChannelDescriptor;
                            }
                        }

                        lastIndex             = descriptor.Index;
                        descriptorLoopLength -= descriptor.TotalLength;
                    }
                    else
                    {
                        lastIndex            += DescriptorBase.MinimumDescriptorLength;
                        descriptorLoopLength -= DescriptorBase.MinimumDescriptorLength;
                    }
                }

                Validate();
            }
            catch (IndexOutOfRangeException)
            {
                throw (new ArgumentOutOfRangeException("The DVB Service Description message is short"));
            }
        }
        /// <summary>
        /// Parse the section.
        /// </summary>
        /// <param name="byteData">The MPEG2 section containing the section.</param>
        /// <param name="mpeg2Header">The MPEG2 header that preceedes the section.</param>
        /// <param name="isCable">True is the section is a virtual cable section;false otherwise.</param>
        /// <param name="frequency">The frequency being processed.</param>
        public void Process(byte[] byteData, Mpeg2ExtendedHeader mpeg2Header, bool isCable, int frequency)
        {
            lastIndex         = mpeg2Header.Index;
            lastSectionNumber = mpeg2Header.LastSectionNumber;

            protocolVersion = (int)byteData[lastIndex];
            lastIndex++;

            int channelCount = (int)byteData[lastIndex];

            lastIndex++;

            if (channelCount != 0)
            {
                if (channels == null)
                {
                    channels = new Collection <VirtualChannel>();
                }

                while (channelCount != 0)
                {
                    VirtualChannel channel = new VirtualChannel(frequency);
                    channel.Process(byteData, lastIndex, isCable);

                    addChannel(channel);

                    lastIndex += channel.TotalLength;
                    channelCount--;
                }
            }

            int descriptorLoopLength = ((byteData[lastIndex] & 0x03) * 256) + (int)byteData[lastIndex + 1];

            lastIndex += 2;

            if (descriptorLoopLength != 0)
            {
                descriptors = new Collection <DescriptorBase>();

                while (descriptorLoopLength != 0)
                {
                    while (descriptorLoopLength != 0)
                    {
                        DescriptorBase descriptor = DescriptorBase.AtscInstance(byteData, lastIndex);
                        descriptors.Add(descriptor);

                        lastIndex             = descriptor.Index;
                        descriptorLoopLength -= descriptor.TotalLength;
                    }
                }
            }

            Validate();
        }
Esempio n. 7
0
        /// <summary>
        /// Parse the section.
        /// </summary>
        /// <param name="byteData">The MPEG2 section containing the section.</param>
        /// <param name="mpeg2Header">The MPEG2 header that preceedes the section.</param>
        internal void Process(byte[] byteData, Mpeg2ExtendedHeader mpeg2Header)
        {
            lastIndex = mpeg2Header.Index;
            serviceID = mpeg2Header.TableIDExtension;

            pcrPID     = ((byteData[lastIndex] & 0x1f) * 256) + byteData[lastIndex + 1];
            lastIndex += 2;

            int programInfoLength = ((byteData[lastIndex] & 0x0f) * 256) + byteData[lastIndex + 1];

            lastIndex += 2;

            if (programInfoLength != 0)
            {
                while (programInfoLength > 0)
                {
                    descriptors = new Collection <DescriptorBase>();

                    while (programInfoLength > 0)
                    {
                        DescriptorBase descriptor = DescriptorBase.Instance(byteData, lastIndex);

                        if (!descriptor.IsEmpty)
                        {
                            descriptors.Add(descriptor);

                            lastIndex         += descriptor.TotalLength;
                            programInfoLength -= descriptor.TotalLength;
                        }
                        else
                        {
                            lastIndex         += DescriptorBase.MinimumDescriptorLength;
                            programInfoLength -= DescriptorBase.MinimumDescriptorLength;
                        }
                    }
                }
            }

            streamInfos = new Collection <StreamInfo>();

            while (lastIndex < byteData.Length - 4)
            {
                StreamInfo streamInfo = new StreamInfo();
                streamInfo.Process(byteData, lastIndex);

                streamInfos.Add(streamInfo);

                lastIndex = streamInfo.Index;
            }

            Validate();
        }
Esempio n. 8
0
        /// <summary>
        /// Create an instance of the descriptor class for Dish Network descriptors.
        /// </summary>
        /// <param name="byteData">The MPEG2 section containing the descriptor.</param>
        /// <param name="index">The index of the tag byte of the descriptor.</param>
        /// <param name="table">The table ID containing this descriptor.</param>
        /// <returns>A descriptor instance.</returns>
        internal static DescriptorBase DishNetworkInstance(byte[] byteData, int index, int table)
        {
            DescriptorBase descriptor;

            switch ((int)byteData[index])
            {
            case DishNetworkRatingDescriptorTag:
                descriptor = new DishNetworkRatingDescriptor();
                break;

            case DishNetworkShortEventDescriptorTag:
                descriptor = new DishNetworkShortEventDescriptor();
                break;

            case DishNetworkExtendedEventDescriptorTag:
                descriptor = new DishNetworkExtendedEventDescriptor();
                break;

            case DishNetworkSupplementaryDescriptorTag:
                descriptor = new DishNetworkSupplementaryDescriptor();
                break;

            case DishNetworkVCHIPDescriptorTag:
                descriptor = new DishNetworkVCHIPDescriptor();
                break;

            case DishNetworkSeriesDescriptorTag:
                descriptor = new DishNetworkSeriesDescriptor();
                break;

            case ContentDescriptorTag:
                descriptor = new DVBContentDescriptor();
                break;

            default:
                descriptor = new DescriptorBase();
                break;
            }

            descriptor.table = table;

            descriptor.tag = (int)byteData[index];
            index++;

            descriptor.length = (int)byteData[index];
            index++;

            descriptor.Process(byteData, index);

            return(descriptor);
        }
Esempio n. 9
0
        /// <summary>
        /// Parse the section.
        /// </summary>
        /// <param name="byteData">The MPEG2 section containing the section.</param>
        /// <param name="mpeg2Header">The MPEG2 header that preceedes the section.</param>
        public void Process(byte[] byteData, Mpeg2ExtendedHeader mpeg2Header)
        {
            lastIndex = mpeg2Header.Index;

            protocolVersion = (int)byteData[lastIndex];
            lastIndex++;

            int tableCount = Utils.Convert2BytesToInt(byteData, lastIndex);

            lastIndex += 2;

            if (tableCount != 0)
            {
                tableEntries = new Collection <MasterGuideTableEntry>();

                while (tableCount != 0)
                {
                    MasterGuideTableEntry tableEntry = new MasterGuideTableEntry();
                    tableEntry.Process(byteData, lastIndex);

                    tableEntries.Add(tableEntry);

                    lastIndex += tableEntry.TotalLength;
                    tableCount--;
                }
            }

            int descriptorLoopLength = ((byteData[lastIndex] & 0x0f) * 256) + (int)byteData[lastIndex + 1];

            lastIndex += 2;

            if (descriptorLoopLength != 0)
            {
                descriptors = new Collection <DescriptorBase>();

                while (descriptorLoopLength != 0)
                {
                    while (descriptorLoopLength != 0)
                    {
                        DescriptorBase descriptor = DescriptorBase.AtscInstance(byteData, lastIndex);
                        descriptors.Add(descriptor);

                        lastIndex             = descriptor.Index;
                        descriptorLoopLength -= descriptor.TotalLength;
                    }
                }
            }

            Validate();
        }
Esempio n. 10
0
        /// <summary>
        /// Parse the entry.
        /// </summary>
        /// <param name="byteData">The MPEG2 section containing the transport stream.</param>
        /// <param name="index">Index of the first byte of the transport stream in the MPEG2 section.</param>
        /// <param name="scope">The scope of the processing..</param>
        internal void Process(byte[] byteData, int index, Scope scope)
        {
            lastIndex = index;

            try
            {
                transportStreamID = Utils.Convert2BytesToInt(byteData, lastIndex);
                lastIndex        += 2;

                originalNetworkID = Utils.Convert2BytesToInt(byteData, lastIndex);
                lastIndex        += 2;

                int descriptorLoopLength = ((byteData[lastIndex] & 0x0f) * 256) + (int)byteData[lastIndex + 1];
                lastIndex += 2;

                totalLength = descriptorLoopLength + 6;

                if (descriptorLoopLength != 0)
                {
                    descriptors = new Collection <DescriptorBase>();

                    while (descriptorLoopLength != 0)
                    {
                        DescriptorBase descriptor = DescriptorBase.Instance(byteData, lastIndex, scope);

                        if (!descriptor.IsEmpty)
                        {
                            descriptors.Add(descriptor);

                            lastIndex             = descriptor.Index;
                            descriptorLoopLength -= descriptor.TotalLength;
                        }
                        else
                        {
                            lastIndex            += DescriptorBase.MinimumDescriptorLength;
                            descriptorLoopLength -= DescriptorBase.MinimumDescriptorLength;
                        }
                    }
                }

                Validate();
            }
            catch (IndexOutOfRangeException)
            {
                throw (new ArgumentOutOfRangeException("The DVB Transport Stream message is short"));
            }
        }
Esempio n. 11
0
        /// <summary>
        /// Parse the entry.
        /// </summary>
        /// <param name="byteData">The MPEG2 section containing the entry.</param>
        /// <param name="index">Index of the event identification byte in the MPEG2 section.</param>
        /// <param name="table">The table ID containing this section.</param>
        public void Process(byte[] byteData, int index, int table)
        {
            lastIndex = index;

            try
            {
                eventID    = Utils.Convert2BytesToInt(byteData, lastIndex);
                lastIndex += 2;

                getStartTime(byteData, lastIndex);
                lastIndex += 5;

                getDuration(byteData, lastIndex);
                lastIndex += 3;

                runningStatus = (int)(byteData[lastIndex] >> 5);
                scrambled     = ((int)byteData[lastIndex] & 0x10) >> 4 == 1;

                int descriptorLoopLength = ((byteData[lastIndex] & 0x0f) * 256) + (int)byteData[lastIndex + 1];
                lastIndex += 2;

                while (descriptorLoopLength != 0)
                {
                    DescriptorBase descriptor = DescriptorBase.DishNetworkInstance(byteData, lastIndex, table);

                    if (!descriptor.IsEmpty)
                    {
                        processDescriptor(descriptor);
                        descriptor.LogMessage();

                        lastIndex             = descriptor.Index;
                        descriptorLoopLength -= descriptor.TotalLength;
                    }
                    else
                    {
                        lastIndex            += DescriptorBase.MinimumDescriptorLength;
                        descriptorLoopLength -= DescriptorBase.MinimumDescriptorLength;
                    }
                }

                Validate();
            }
            catch (IndexOutOfRangeException)
            {
                throw (new ArgumentOutOfRangeException("The Dish Network message is short"));
            }
        }
Esempio n. 12
0
        /// <summary>
        /// Parse the stream information.
        /// </summary>
        /// <param name="byteData">The MPEG2 section containing the stream information.</param>
        /// <param name="index">Index of the first byte of the stream information in the MPEG2 section.</param>
        internal void Process(byte[] byteData, int index)
        {
            lastIndex = index;

            try
            {
                streamType = (int)byteData[lastIndex];
                lastIndex++;

                programID  = ((byteData[lastIndex] & 0x1f) * 256) + byteData[lastIndex + 1];
                lastIndex += 2;

                int esInfoLength = ((byteData[lastIndex] & 0x0f) * 256) + byteData[lastIndex + 1];
                lastIndex += 2;

                if (esInfoLength != 0)
                {
                    descriptors = new Collection <DescriptorBase>();

                    while (esInfoLength > 0)
                    {
                        DescriptorBase descriptor = DescriptorBase.Instance(byteData, lastIndex);

                        if (!descriptor.IsEmpty)
                        {
                            descriptors.Add(descriptor);

                            lastIndex    += descriptor.TotalLength;
                            esInfoLength -= descriptor.TotalLength;
                        }
                        else
                        {
                            lastIndex    += DescriptorBase.MinimumDescriptorLength;
                            esInfoLength -= DescriptorBase.MinimumDescriptorLength;
                        }
                    }
                }

                Validate();
            }
            catch (IndexOutOfRangeException)
            {
                throw (new ArgumentOutOfRangeException("The DVB Stream Info message is short"));
            }
        }
Esempio n. 13
0
        /// <summary>
        /// Create an instance of the descriptor class for ATSC descriptors.
        /// </summary>
        /// <param name="byteData">The MPEG2 section containing the descriptor.</param>
        /// <param name="index">The index of the tag byte of the descriptor.</param>
        /// <returns>A descriptor instance.</returns>
        internal static DescriptorBase AtscInstance(byte[] byteData, int index)
        {
            DescriptorBase descriptor;

            switch ((int)byteData[index])
            {
            case AtscAC3AudioDescriptorTag:
                descriptor = new AC3AudioDescriptor();
                break;

            case AtscCaptionServiceDescriptorTag:
                descriptor = new CaptionServiceDescriptor();
                break;

            case AtscContentAdvisoryDescriptorTag:
                descriptor = new ContentAdvisoryDescriptor();
                break;

            case AtscExtendedChannelNameDescriptorTag:
                descriptor = new ExtendedChannelNameDescriptor();
                break;

            case AtscServiceLocationDescriptorTag:
                descriptor = new ServiceLocationDescriptor();
                break;

            case AtscGenreDescriptorTag:
                descriptor = new GenreDescriptor();
                break;

            default:
                descriptor = new DescriptorBase();
                break;
            }

            descriptor.tag = (int)byteData[index];
            index++;

            descriptor.length = (int)byteData[index];
            index++;

            descriptor.Process(byteData, index);

            return(descriptor);
        }
Esempio n. 14
0
        /// <summary>
        /// Parse the entry.
        /// </summary>
        /// <param name="byteData">The MPEG2 section containing the transport stream.</param>
        /// <param name="index">Index of the first byte of the transport stream in the MPEG2 section.</param>
        internal void Process(byte[] byteData, int index)
        {
            lastIndex = index;

            try
            {
                tableType  = Utils.Convert2BytesToInt(byteData, lastIndex);
                lastIndex += 2;

                pid        = ((byteData[lastIndex] & 0x1f) * 256) + byteData[lastIndex + 1];
                lastIndex += 2;

                version = byteData[lastIndex] & 0x01f;
                lastIndex++;

                byteCount  = Utils.Convert4BytesToInt(byteData, lastIndex);
                lastIndex += 4;

                int descriptorLoopLength = ((byteData[lastIndex] & 0x0f) * 256) + (int)byteData[lastIndex + 1];
                lastIndex += 2;

                totalLength = descriptorLoopLength + 11;

                if (descriptorLoopLength != 0)
                {
                    descriptors = new Collection <DescriptorBase>();

                    while (descriptorLoopLength != 0)
                    {
                        DescriptorBase descriptor = DescriptorBase.AtscInstance(byteData, lastIndex);
                        descriptors.Add(descriptor);

                        lastIndex             = descriptor.Index;
                        descriptorLoopLength -= descriptor.TotalLength;
                    }
                }

                Validate();
            }
            catch (IndexOutOfRangeException)
            {
                throw (new ArgumentOutOfRangeException("The Master Guide Table entry message is short"));
            }
        }
Esempio n. 15
0
        /// <summary>
        /// Create an instance of the descriptor class for Bell TV descriptors.
        /// </summary>
        /// <param name="byteData">The MPEG2 section containing the descriptor.</param>
        /// <param name="index">The index of the tag byte of the descriptor.</param>
        /// <param name="table">The table ID containing this descriptor.</param>
        /// <returns>A descriptor instance.</returns>
        internal static DescriptorBase BellTVInstance(byte[] byteData, int index, int table)
        {
            DescriptorBase descriptor;

            switch ((int)byteData[index])
            {
            case ShortEventDescriptorTag:
                descriptor = new BellShortEventDescriptor();
                break;

            case BellTVExtendedEventDescriptorTag:
                descriptor = new BellTVExtendedEventDescriptor();
                break;

            case BellTVRatingDescriptorTag:
                descriptor = new BellTVRatingDescriptor();
                break;

            case BellTVSeriesDescriptorTag:
                descriptor = new BellTVSeriesDescriptor();
                break;

            case ContentDescriptorTag:
                descriptor = new DVBContentDescriptor();
                break;

            default:
                descriptor = new DescriptorBase();
                break;
            }

            descriptor.table = table;

            descriptor.tag = (int)byteData[index];
            index++;

            descriptor.length = (int)byteData[index];
            index++;

            descriptor.Process(byteData, index);

            return(descriptor);
        }
Esempio n. 16
0
        /// <summary>
        /// Create an instance of the descriptor class for ATSC descriptors.
        /// </summary>
        /// <param name="byteData">The MPEG2 section containing the descriptor.</param>
        /// <param name="index">The index of the tag byte of the descriptor.</param>
        /// <returns>A descriptor instance.</returns>
        internal static DescriptorBase AtscInstance(byte[] byteData, int index)
        {
            DescriptorBase descriptor;

            switch ((int)byteData[index])
            {
                case AtscAC3AudioDescriptorTag:
                    descriptor = new AC3AudioDescriptor();
                    break;
                case AtscCaptionServiceDescriptorTag:
                    descriptor = new CaptionServiceDescriptor();
                    break;
                case AtscContentAdvisoryDescriptorTag:
                    descriptor = new ContentAdvisoryDescriptor();
                    break;
                case AtscExtendedChannelNameDescriptorTag:
                    descriptor = new ExtendedChannelNameDescriptor();
                    break;
                case AtscServiceLocationDescriptorTag:
                    descriptor = new ServiceLocationDescriptor();
                    break;
                case AtscGenreDescriptorTag:
                    descriptor = new GenreDescriptor();
                    break;
                default:
                    descriptor = new DescriptorBase();
                    break;
            }

            descriptor.tag = (int)byteData[index];
            index++;

            descriptor.length = (int)byteData[index];
            index++;

            descriptor.Process(byteData, index);

            return (descriptor);
        }
Esempio n. 17
0
        /// <summary>
        /// Parse the descriptor.
        /// </summary>
        /// <param name="byteData">The mpeg2 section containing the descriptor.</param>
        /// <param name="index">Index of the byte in the mpeg2 section following the descriptor length.</param>
        /// <param name="region">The region being processed.</param>
        internal void Process(byte[] byteData, int index, int region)
        {
            lastIndex   = index;
            this.region = region;

            int nameLength = (int)byteData[lastIndex];

            lastIndex++;

            if (nameLength != 0)
            {
                name = new MultipleString();
                name.Process(byteData, lastIndex);
                name.LogMessage();

                lastIndex = name.Index;
            }

            int dimensionCount = (int)byteData[lastIndex];

            lastIndex++;

            if (dimensionCount != 0)
            {
                dimensions = new Collection <RatingRegionDimension>();

                while (dimensionCount != 0)
                {
                    RatingRegionDimension dimension = new RatingRegionDimension();
                    dimension.Process(byteData, lastIndex);

                    dimensions.Add(dimension);

                    lastIndex = dimension.Index;
                    dimensionCount--;
                }
            }

            int descriptorLoopLength = ((byteData[lastIndex] & 0x03) * 256) + (int)byteData[lastIndex + 1];

            lastIndex += 2;

            if (descriptorLoopLength != 0)
            {
                descriptors = new Collection <DescriptorBase>();

                while (descriptorLoopLength != 0)
                {
                    while (descriptorLoopLength != 0)
                    {
                        DescriptorBase descriptor = DescriptorBase.AtscInstance(byteData, lastIndex);
                        descriptors.Add(descriptor);

                        lastIndex             = descriptor.Index;
                        descriptorLoopLength -= descriptor.TotalLength;
                    }
                }
            }

            Validate();
        }
Esempio n. 18
0
        /// <summary>
        /// Create an instance of the descriptor class for Dish Network descriptors.
        /// </summary>
        /// <param name="byteData">The MPEG2 section containing the descriptor.</param>
        /// <param name="index">The index of the tag byte of the descriptor.</param>
        /// <param name="table">The table ID containing this descriptor.</param>
        /// <returns>A descriptor instance.</returns>
        internal static DescriptorBase DishNetworkInstance(byte[] byteData, int index, int table)
        {
            DescriptorBase descriptor;

            switch ((int)byteData[index])
            {
                case DishNetworkRatingDescriptorTag:
                    descriptor = new DishNetworkRatingDescriptor();
                    break;
                case DishNetworkShortEventDescriptorTag:
                    descriptor = new DishNetworkShortEventDescriptor();
                    break;
                case DishNetworkExtendedEventDescriptorTag:
                    descriptor = new DishNetworkExtendedEventDescriptor();
                    break;
                case DishNetworkSupplementaryDescriptorTag:
                    descriptor = new DishNetworkSupplementaryDescriptor();
                    break;
                case DishNetworkVCHIPDescriptorTag:
                    descriptor = new DishNetworkVCHIPDescriptor();
                    break;
                case DishNetworkSeriesDescriptorTag:
                    descriptor = new DishNetworkSeriesDescriptor();
                    break;
                case ContentDescriptorTag:
                    descriptor = new DVBContentDescriptor();
                    break;
                default:
                    descriptor = new DescriptorBase();
                    break;
            }

            descriptor.table = table;

            descriptor.tag = (int)byteData[index];
            index++;

            descriptor.length = (int)byteData[index];
            index++;

            descriptor.Process(byteData, index);

            return (descriptor);
        }
Esempio n. 19
0
        /// <summary>
        /// Create an instance of the descriptor class.
        /// </summary>
        /// <param name="byteData">The MPEG2 section containing the descriptor.</param>
        /// <param name="index">The index of the tag byte of the descriptor.</param>
        /// <param name="scope">The current scope.</param>
        /// <returns>A descriptor instance.</returns>
        internal static DescriptorBase Instance(byte[] byteData, int index, Scope scope)
        {
            DescriptorBase descriptor;

            switch ((int)byteData[index])
            {
                case NetworkNameDescriptorTag:
                    descriptor = new DVBNetworkNameDescriptor();
                    break;
                case SatelliteDeliverySystemDescriptorTag:
                    descriptor = new DVBSatelliteDeliverySystemDescriptor();
                    break;
                case ServiceDescriptorTag:
                    descriptor = new DVBServiceDescriptor();
                    break;
                case ServiceListDescriptorTag:
                    descriptor = new DVBServiceListDescriptor();
                    break;
                case ShortEventDescriptorTag:
                    descriptor = new DVBShortEventDescriptor();
                    break;
                case ExtendedEventDescriptorTag:
                    descriptor = new DVBExtendedEventDescriptor();
                    break;
                case ComponentDescriptorTag:
                    descriptor = new DVBComponentDescriptor();
                    break;
                case ContentDescriptorTag:
                    descriptor = new DVBContentDescriptor();
                    break;
                case ParentalRatingDescriptorTag:
                    descriptor = new DVBParentalRatingDescriptor();
                    break;
                case BouquetNameDescriptorTag:
                    descriptor = new DVBBouquetNameDescriptor();
                    break;
                case LocalTimeOffsetDescriptorTag:
                    descriptor = new DVBLocalTimeOffsetDescriptor();
                    break;
                case OpenTVChannelInfoDescriptorTag:
                    descriptor = new OpenTVChannelInfoDescriptor();
                    break;
                case GenericChannelInfoDescriptorTag:
                    switch (scope)
                    {
                        case Scope.Bouquet:
                            descriptor = new FreeviewChannelInfoDescriptor();
                            break;
                        case Scope.ServiceDescripton:
                            descriptor = new ServiceChannelDescriptor();
                            break;
                        default:
                            descriptor = new DescriptorBase();
                            break;
                    }
                    break;
                case FreeviewChannelInfoDescriptorTag:
                case TurkeyChannelInfoDescriptorTag:
                case E2ChannelInfoDescriptorTag:
                    if (scope == Scope.Bouquet)
                        descriptor = new FreeviewChannelInfoDescriptor();
                    else
                        descriptor = new DescriptorBase();
                    break;
                case FreeSatChannelInfoDescriptorTag:
                    descriptor = new FreeSatChannelInfoDescriptor();
                    break;
                case ContentIdentifierDescriptorTag:
                    descriptor = new DVBContentIdentifierDescriptor();
                    break;
                default:
                    descriptor = new DescriptorBase();
                    break;
            }

            descriptor.tag = (int)byteData[index];
            index++;

            descriptor.length = (int)byteData[index];
            index++;

            if (descriptor.Length != 0)
                descriptor.Process(byteData, index);

            return (descriptor);
        }
Esempio n. 20
0
        /// <summary>
        /// Create an instance of the descriptor class.
        /// </summary>
        /// <param name="byteData">The MPEG2 section containing the descriptor.</param>
        /// <param name="index">The index of the tag byte of the descriptor.</param>
        /// <param name="scope">The current scope.</param>
        /// <returns>A descriptor instance.</returns>
        internal static DescriptorBase Instance(byte[] byteData, int index, Scope scope)
        {
            DescriptorBase descriptor;

            switch ((int)byteData[index])
            {
            case NetworkNameDescriptorTag:
                descriptor = new DVBNetworkNameDescriptor();
                break;

            case SatelliteDeliverySystemDescriptorTag:
                descriptor = new DVBSatelliteDeliverySystemDescriptor();
                break;

            case ServiceDescriptorTag:
                descriptor = new DVBServiceDescriptor();
                break;

            case ServiceListDescriptorTag:
                descriptor = new DVBServiceListDescriptor();
                break;

            case ShortEventDescriptorTag:
                descriptor = new DVBShortEventDescriptor();
                break;

            case ExtendedEventDescriptorTag:
                descriptor = new DVBExtendedEventDescriptor();
                break;

            case ComponentDescriptorTag:
                descriptor = new DVBComponentDescriptor();
                break;

            case ContentDescriptorTag:
                descriptor = new DVBContentDescriptor();
                break;

            case ParentalRatingDescriptorTag:
                descriptor = new DVBParentalRatingDescriptor();
                break;

            case BouquetNameDescriptorTag:
                descriptor = new DVBBouquetNameDescriptor();
                break;

            case LocalTimeOffsetDescriptorTag:
                descriptor = new DVBLocalTimeOffsetDescriptor();
                break;

            case OpenTVChannelInfoDescriptorTag:
                descriptor = new OpenTVChannelInfoDescriptor();
                break;

            case GenericChannelInfoDescriptorTag:
                switch (scope)
                {
                case Scope.Bouquet:
                    descriptor = new FreeviewChannelInfoDescriptor();
                    break;

                case Scope.ServiceDescripton:
                    descriptor = new ServiceChannelDescriptor();
                    break;

                default:
                    descriptor = new DescriptorBase();
                    break;
                }
                break;

            case FreeviewChannelInfoDescriptorTag:
            case TurkeyChannelInfoDescriptorTag:
            case E2ChannelInfoDescriptorTag:
                if (scope == Scope.Bouquet)
                {
                    descriptor = new FreeviewChannelInfoDescriptor();
                }
                else
                {
                    descriptor = new DescriptorBase();
                }
                break;

            case FreeSatChannelInfoDescriptorTag:
                descriptor = new FreeSatChannelInfoDescriptor();
                break;

            case ContentIdentifierDescriptorTag:
                descriptor = new DVBContentIdentifierDescriptor();
                break;

            default:
                descriptor = new DescriptorBase();
                break;
            }

            descriptor.tag = (int)byteData[index];
            index++;

            descriptor.length = (int)byteData[index];
            index++;

            if (descriptor.Length != 0)
            {
                descriptor.Process(byteData, index);
            }

            return(descriptor);
        }
Esempio n. 21
0
 private void processDescriptor(DescriptorBase descriptor)
 {
     switch (descriptor.Tag)
     {
         case DescriptorBase.DishNetworkShortEventDescriptorTag:
             DishNetworkShortEventDescriptor shortEventDescriptor = descriptor as DishNetworkShortEventDescriptor;
             eventName = shortEventDescriptor.EventName;
             break;
         case DescriptorBase.DishNetworkExtendedEventDescriptorTag:
             DishNetworkExtendedEventDescriptor extendedEventDescriptor = descriptor as DishNetworkExtendedEventDescriptor;
             originalDescription = extendedEventDescriptor.OriginalDescription;
             shortDescription = extendedEventDescriptor.EventDescription;
             subTitle = extendedEventDescriptor.SubTitle;
             closedCaptions = extendedEventDescriptor.ClosedCaptions;
             highDefinition = extendedEventDescriptor.HighDefinition;
             stereo = extendedEventDescriptor.Stereo;
             date = extendedEventDescriptor.Date;
             cast = extendedEventDescriptor.Cast;
             break;
         case DescriptorBase.DishNetworkRatingDescriptorTag:
             DishNetworkRatingDescriptor ratingDescriptor = descriptor as DishNetworkRatingDescriptor;
             parentalRating = ratingDescriptor.ParentalRating;
             starRating = ratingDescriptor.StarRating;
             hasSexualContent = ratingDescriptor.HasSexualContent;
             hasStrongLanguage = ratingDescriptor.HasStrongLanguage;
             hasViolence = ratingDescriptor.HasViolence;
             hasNudity = ratingDescriptor.HasNudity;
             break;
         case DescriptorBase.DishNetworkSeriesDescriptorTag:
             DishNetworkSeriesDescriptor seriesDescriptor = descriptor as DishNetworkSeriesDescriptor;
             series = seriesDescriptor.Series;
             episode = seriesDescriptor.Episode;
             originalAirDate = seriesDescriptor.OriginalAirDate;
             break;
         case DescriptorBase.ContentDescriptorTag:
             contentType = (descriptor as DVBContentDescriptor).ContentSubType[0];
             contentSubType = (descriptor as DVBContentDescriptor).UserType[0];
             break;
         default:
             if (RunParameters.Instance.DebugIDs.Contains("UNKNOWNDESCRIPTORS"))
             {
                 Logger.Instance.Write("Unprocessed Dish Network descriptor: 0x" + descriptor.Tag.ToString("X"));
                 if (RunParameters.Instance.DebugIDs.Contains("LOGDESCRIPTORDATA"))
                     Logger.Instance.Dump("Descriptor Data", descriptor.Data, descriptor.Data.Length);
             }
             break;
     }
 }
Esempio n. 22
0
        /// <summary>
        /// Create an instance of the descriptor class for Bell TV descriptors.
        /// </summary>
        /// <param name="byteData">The MPEG2 section containing the descriptor.</param>
        /// <param name="index">The index of the tag byte of the descriptor.</param>
        /// <param name="table">The table ID containing this descriptor.</param>
        /// <returns>A descriptor instance.</returns>
        internal static DescriptorBase BellTVInstance(byte[] byteData, int index, int table)
        {
            DescriptorBase descriptor;

            switch ((int)byteData[index])
            {
                case ShortEventDescriptorTag:
                    descriptor = new BellShortEventDescriptor();
                    break;
                case BellTVExtendedEventDescriptorTag:
                    descriptor = new BellTVExtendedEventDescriptor();
                    break;
                case BellTVRatingDescriptorTag:
                    descriptor = new BellTVRatingDescriptor();
                    break;
                case BellTVSeriesDescriptorTag:
                    descriptor = new BellTVSeriesDescriptor();
                    break;
                case ContentDescriptorTag:
                    descriptor = new DVBContentDescriptor();
                    break;
                default:
                    descriptor = new DescriptorBase();
                    break;
            }

            descriptor.table = table;

            descriptor.tag = (int)byteData[index];
            index++;

            descriptor.length = (int)byteData[index];
            index++;

            descriptor.Process(byteData, index);

            return (descriptor);
        }
Esempio n. 23
0
        private void processDescriptor(DescriptorBase descriptor)
        {
            switch (descriptor.Tag)
            {
            case DescriptorBase.ShortEventDescriptorTag:
                DVBShortEventDescriptor shortEventDescriptor = descriptor as DVBShortEventDescriptor;
                if (eventName == null)
                {
                    processShortEventDescriptor(shortEventDescriptor);
                }
                else
                {
                    if (RunParameters.Instance.InputLanguage == null)
                    {
                        processShortEventDescriptor(shortEventDescriptor);
                    }
                    else
                    {
                        if (shortEventDescriptor.LanguageCode == RunParameters.Instance.InputLanguage)
                        {
                            processShortEventDescriptor(shortEventDescriptor);
                        }
                        else
                        {
                            if (shortEventDescriptor.LanguageCode == "eng")
                            {
                                processShortEventDescriptor(shortEventDescriptor);
                            }
                        }
                    }
                }
                LanguageCode.RegisterUsage(shortEventDescriptor.LanguageCode);
                break;

            case DescriptorBase.ExtendedEventDescriptorTag:
                DVBExtendedEventDescriptor extendedEventDescriptor = descriptor as DVBExtendedEventDescriptor;
                if (extendedDescription == null)
                {
                    processExtendedEventDescriptor(extendedEventDescriptor);
                }
                else
                {
                    if (RunParameters.Instance.InputLanguage == null)
                    {
                        processExtendedEventDescriptor(extendedEventDescriptor);
                    }
                    else
                    {
                        if (extendedEventDescriptor.LanguageCode == RunParameters.Instance.InputLanguage)
                        {
                            processExtendedEventDescriptor(extendedEventDescriptor);
                        }
                        else
                        {
                            if (extendedEventDescriptor.LanguageCode == "eng")
                            {
                                processExtendedEventDescriptor(extendedEventDescriptor);
                            }
                        }
                    }
                }
                LanguageCode.RegisterUsage(extendedEventDescriptor.LanguageCode);
                break;

            case DescriptorBase.ComponentDescriptorTag:
                if ((descriptor as DVBComponentDescriptor).ComponentTypeVideo != -1)
                {
                    componentTypeVideo = (descriptor as DVBComponentDescriptor).ComponentTypeVideo;
                }
                if ((descriptor as DVBComponentDescriptor).ComponentTypeAudio != -1)
                {
                    componentTypeAudio = (descriptor as DVBComponentDescriptor).ComponentTypeAudio;
                }
                if ((descriptor as DVBComponentDescriptor).ComponentTypeSubtitles != -1)
                {
                    componentTypeSubtitles = (descriptor as DVBComponentDescriptor).ComponentTypeSubtitles;
                }
                break;

            case DescriptorBase.ContentDescriptorTag:
                contentType    = (descriptor as DVBContentDescriptor).ContentType[0];
                contentSubType = (descriptor as DVBContentDescriptor).ContentSubType[0];
                break;

            case DescriptorBase.ParentalRatingDescriptorTag:
                DVBParentalRatingDescriptor parentalRatingDescriptor = descriptor as DVBParentalRatingDescriptor;
                if (parentalRatingDescriptor.ParentalRatings != null)
                {
                    parentalRating = (descriptor as DVBParentalRatingDescriptor).ParentalRatings[0];
                }
                break;

            case DescriptorBase.ContentIdentifierDescriptorTag:
                DVBContentIdentifierDescriptor contentIdentifierDescriptor = descriptor as DVBContentIdentifierDescriptor;
                if (contentIdentifierDescriptor.IsSeriesLink)
                {
                    seriesID = contentIdentifierDescriptor.ContentReference;
                }
                else
                {
                    if (contentIdentifierDescriptor.IsEpisodeLink)
                    {
                        episodeID = contentIdentifierDescriptor.ContentReference;
                    }
                }
                break;

            default:
                if (RunParameters.Instance.DebugIDs.Contains("UNKNOWNDESCRIPTORS"))
                {
                    Logger.Instance.Write("Unprocessed EIT descriptor: 0x" + descriptor.Tag.ToString("X"));
                    if (RunParameters.Instance.DebugIDs.Contains("LOGDESCRIPTORDATA"))
                    {
                        Logger.Instance.Dump("Descriptor Data", descriptor.Data, descriptor.Data.Length);
                    }
                }
                break;
            }
        }
Esempio n. 24
0
        /// <summary>
        /// Parse the entry.
        /// </summary>
        /// <param name="byteData">The MPEG2 section containing the transport stream.</param>
        /// <param name="index">Index of the first byte of the transport stream in the MPEG2 section.</param>
        /// <param name="isCable">True if the entry is for cable; false otherwise.</param>
        internal void Process(byte[] byteData, int index, bool isCable)
        {
            lastIndex = index;

            try
            {
                shortName  = Utils.GetUnicodeString(byteData, lastIndex, 14).Replace((char)0x00, '?').Replace("?", "");
                lastIndex += 14;

                majorChannelNumber = (Utils.Convert4BytesToInt(byteData, lastIndex) >> 18) & 0x3ff;
                minorChannelNumber = (Utils.Convert4BytesToInt(byteData, lastIndex) >> 8) & 0x3ff;
                lastIndex         += 3;

                modulationMode = (int)byteData[lastIndex];
                lastIndex++;

                frequency  = Utils.Convert4BytesToInt(byteData, lastIndex);
                lastIndex += 4;

                transportStreamID = Utils.Convert2BytesToInt(byteData, lastIndex);
                lastIndex        += 2;

                programNumber = Utils.Convert2BytesToInt(byteData, lastIndex);
                lastIndex    += 2;

                etmLocation      = byteData[lastIndex] >> 6;
                accessControlled = ((byteData[lastIndex] & 0x20) != 0);
                hidden           = ((byteData[lastIndex] & 0x10) != 0);

                if (isCable)
                {
                    pathSelect = ((byteData[lastIndex] & 0x08) != 0);
                    outOfBand  = ((byteData[lastIndex] & 0x04) != 0);
                }

                hideGuide = ((byteData[lastIndex] & 0x02) != 0);
                lastIndex++;

                serviceType = byteData[lastIndex] & 0x03f;
                lastIndex++;

                sourceID   = Utils.Convert2BytesToInt(byteData, lastIndex);
                lastIndex += 2;

                int descriptorLoopLength = ((byteData[lastIndex] & 0x03) * 256) + (int)byteData[lastIndex + 1];
                lastIndex += 2;

                totalLength = (lastIndex - index) + descriptorLoopLength;

                if (descriptorLoopLength != 0)
                {
                    descriptors = new Collection <DescriptorBase>();

                    while (descriptorLoopLength != 0)
                    {
                        DescriptorBase descriptor = DescriptorBase.AtscInstance(byteData, lastIndex);
                        descriptors.Add(descriptor);

                        lastIndex             = descriptor.Index;
                        descriptorLoopLength -= descriptor.TotalLength;
                    }
                }

                Validate();
            }
            catch (IndexOutOfRangeException)
            {
                throw (new ArgumentOutOfRangeException("The Virtual Channel Table entry message is short"));
            }
        }
Esempio n. 25
0
 private void processDescriptor(DescriptorBase descriptor)
 {
     switch (descriptor.Tag)
     {
         case DescriptorBase.ShortEventDescriptorTag:
             DVBShortEventDescriptor shortEventDescriptor = descriptor as DVBShortEventDescriptor;
             if (RunParameters.Instance.InputLanguage == null || shortEventDescriptor.LanguageCode == RunParameters.Instance.InputLanguage)
             {
                 eventName = shortEventDescriptor.EventName;
                 shortDescription = shortEventDescriptor.ShortDescription;
             }
             LanguageCode.RegisterUsage(shortEventDescriptor.LanguageCode);
             break;
         case DescriptorBase.ComponentDescriptorTag:
             if ((descriptor as DVBComponentDescriptor).ComponentTypeVideo != -1)
                 componentTypeVideo = (descriptor as DVBComponentDescriptor).ComponentTypeVideo;
             if ((descriptor as DVBComponentDescriptor).ComponentTypeAudio != -1)
                 componentTypeAudio = (descriptor as DVBComponentDescriptor).ComponentTypeAudio;
             if ((descriptor as DVBComponentDescriptor).ComponentTypeSubtitles != -1)
                 componentTypeSubtitles = (descriptor as DVBComponentDescriptor).ComponentTypeSubtitles;
             break;
         case DescriptorBase.ContentDescriptorTag:
             contentType = (descriptor as DVBContentDescriptor).ContentType[0];
             contentSubType = (descriptor as DVBContentDescriptor).ContentSubType[0];
             break;
         case DescriptorBase.ParentalRatingDescriptorTag:
             DVBParentalRatingDescriptor parentalRatingDescriptor = descriptor as DVBParentalRatingDescriptor;
             if (parentalRatingDescriptor.ParentalRatings != null)
                 parentalRating = (descriptor as DVBParentalRatingDescriptor).ParentalRatings[0];
             break;
         case DescriptorBase.ContentIdentifierDescriptorTag:
             DVBContentIdentifierDescriptor contentIdentifierDescriptor = descriptor as DVBContentIdentifierDescriptor;
             if (contentIdentifierDescriptor.IsSeriesLink)
                 seriesID = contentIdentifierDescriptor.ContentReference;
             else
             {
                 if (contentIdentifierDescriptor.IsEpisodeLink)
                     episodeID = contentIdentifierDescriptor.ContentReference;
             }
             break;
         default:
             if (RunParameters.Instance.DebugIDs.Contains("UNKNOWNDESCRIPTORS"))
             {
                 Logger.Instance.Write("Unprocessed EIT descriptor: 0x" + descriptor.Tag.ToString("X"));
                 if (RunParameters.Instance.DebugIDs.Contains("LOGDESCRIPTORDATA"))
                     Logger.Instance.Dump("Descriptor Data", descriptor.Data, descriptor.Data.Length);
             }
             break;
     }
 }