Exemplo n.º 1
0
        public override void Parse(byte[] data)
        {
            base.Parse(data);

            this.originalNetworkId = (ushort)(data[8] << 8 | data[9]);
            this.reserved3         = data[10];

            int offset = 11;

            while (offset < SectionLength - 1)
            {
                Data sdtData = new Data();
                sdtData.ServiceId               = (ushort)((data[offset] << 8) + data[offset + 1]);
                sdtData.Reserved                = (byte)(data[offset + 2] >> 2);
                sdtData.EitScheduleFlag         = ((data[offset + 2] & 0x02) != 0);
                sdtData.EitPresentFollowingFlag = ((data[offset + 2] & 0x01) != 0);
                sdtData.RunningStatus           = (Data.RUNNING_STATUS)((data[offset + 3] >> 5) & 0x07);
                sdtData.FreeCaMode              = (((data[offset + 3] >> 4) & 0x01) != 0);
                sdtData.DescriptorsLoopLength   = (ushort)(((data[offset + 3] & 0x0F) << 8) | data[offset + 4]);
                sdtData.Descriptors             = PSIDescriptor.ParseDescriptors(data, offset + 5, sdtData.DescriptorsLoopLength);

                this.services.Add(sdtData);
                offset += sdtData.DescriptorsLoopLength + 5;
            }
        }
Exemplo n.º 2
0
        public override void Parse(byte[] data)
        {
            base.Parse(data);

            this.reserved3         = (byte)(data[8] >> 5);
            this.pcrPid            = (ushort)((data[8] & 0x1F) << 8 | data[9]);
            this.reserved4         = (byte)(data[10] >> 4);
            this.programInfoLength = (byte)((data[10] & 0x0F) << 8 | data[11]);
            int offset = 12;

            if (this.programInfoLength > 0)
            {
                // Parse program descriptors
                this.descriptors = PSIDescriptor.ParseDescriptors(data, offset, this.programInfoLength);
            }


            offset += this.programInfoLength;
            int streamLen = data.Length - this.programInfoLength - 16;

            while (streamLen >= 5)
            {
                Data pmtData = new Data();
                pmtData.StreamType  = (STREAM_TYPES)data[offset];
                pmtData.Pid         = (ushort)(((data[offset + 1] & 0x1F) << 8) + data[offset + 2]);
                pmtData.EsInfoLen   = (ushort)(((data[offset + 3] & 0x0F) << 8) + data[offset + 4]);
                pmtData.Descriptors = PSIDescriptor.ParseDescriptors(data, offset + 5, pmtData.EsInfoLen);

                this.streams.Add(pmtData);
                this.streamsByType[pmtData.StreamType] = pmtData;
                offset    += pmtData.EsInfoLen + 5;
                streamLen -= pmtData.EsInfoLen + 5;
            }
        }
Exemplo n.º 3
0
        public static PSIDescriptor ParseDescriptor(byte[] data, int offset, byte length)
        {
            DESCRIPTOR_TAGS descriptorTag = (DESCRIPTOR_TAGS)data[offset];
            PSIDescriptor   descriptor;

            switch (descriptorTag)
            {
            case DESCRIPTOR_TAGS.DESCR_SERVICE:
                descriptor = new PSIDescriptorService(); break;

            case DESCRIPTOR_TAGS.DESCR_STD:
                descriptor = new PSIDescriptorSTD(); break;

            case DESCRIPTOR_TAGS.DESCR_ISO_639_LANGUAGE:
                descriptor = new PSIDescriptorISO639Language(); break;

            case DESCRIPTOR_TAGS.DESCR_SUBTITLING:
                descriptor = new PSIDescriptorSubtitling(); break;

            case DESCRIPTOR_TAGS.DESCR_TELETEXT:
                descriptor = new PSIDescriptorTeletext(); break;

            case DESCRIPTOR_TAGS.DESCR_AC3:
                descriptor = new PSIDescriptorAC3(); break;

            case DESCRIPTOR_TAGS.DESCR_CA_IDENT:
                descriptor = new PSIDescriptorCAIdentifier(); break;

            case DESCRIPTOR_TAGS.DESCR_CA_SYSTEM:
                descriptor = new PSIDescriptorCASystem(); break;

            case DESCRIPTOR_TAGS.DESCR_CA:
                descriptor = new PSIDescriptorCA(); break;

            case DESCRIPTOR_TAGS.DESCR_DATA_BROADCAST_ID:
                descriptor = new PSIDescriptorDataBroadcastId(); break;

            case DESCRIPTOR_TAGS.DESCR_LOGICAL_CHANNEL:
                descriptor = new PSIDescriptorLogicalChannel(); break;

            case DESCRIPTOR_TAGS.DESCR_HD_SIMULCAST_LOGICAL_CHANNEL:
                descriptor = new PSIDescriptorHDSimulcastLogicalChannel(); break;

            default:
                descriptor             = new PSIDescriptor();
                descriptor.unparseData = new byte[length];
                Array.Copy(data, offset + 2, descriptor.unparseData, 0, length);
                break;
            }
            descriptor.Parse(data, offset);
            return(descriptor);
        }
Exemplo n.º 4
0
        public override void Parse(byte[] data)
        {
            base.Parse(data);
            this.reserved3 = (byte)(data[8] >> 4);
            this.networkDescriptorLength = (byte)(((data[8] & 0x0F) << 8) | (data[9]));

            int offset = 10;             //taille de l'entete de la table

            if (this.NetworkDescriptorLength > 0)
            {
                // Parse program descriptors
                this.descriptors = PSIDescriptor.ParseDescriptors(data, offset, this.NetworkDescriptorLength);
            }

            offset        += this.NetworkDescriptorLength; // rajout la taille du tableau de descriptors
            this.reserved4 = (byte)(data[offset] >> 4);
            this.transportStreamLoopLength = (ushort)(((data[offset] & 0x0F) << 8) | (data[offset + 1]));

            offset += 2;             //rajout de la taille de reserved4 et de transportStreamLoopLength
            int streamLen = data.Length - this.NetworkDescriptorLength - 14;

            //int streamLen = this.transportStreamLoopLength;
            while (streamLen >= 6)
            {
                Data nitData = new Data();
                nitData.TransportStreamId         = (ushort)(((data[offset]) << 8) | (data[offset + 1]));
                nitData.OriginalNetworkId         = (ushort)(((data[offset + 2]) << 8) | (data[offset + 3]));;
                nitData.Reserved1                 = (byte)(data[offset + 4] >> 4);
                nitData.TransportDescriptorLenght = (ushort)((((data[offset + 4]) & 0x0F) << 8) | (data[offset + 5]));
                nitData.Descriptors               = PSIDescriptor.ParseDescriptors(data, offset + 6, nitData.TransportDescriptorLenght);

                this.streams.Add(nitData);
                offset    += nitData.TransportDescriptorLenght + 6;             //offset increnté de la taille de la loop
                streamLen -= nitData.TransportDescriptorLenght + 6;             // taille de la loop restante décrémenté
            }
        }
Exemplo n.º 5
0
 public static PSIDescriptor ParseDescriptor(byte[] data, int offset, byte length)
 {
     DESCRIPTOR_TAGS descriptorTag = (DESCRIPTOR_TAGS)data[offset];
     PSIDescriptor descriptor;
     switch (descriptorTag)
     {
         case DESCRIPTOR_TAGS.DESCR_SERVICE:
             descriptor = new PSIDescriptorService(); break;
         case DESCRIPTOR_TAGS.DESCR_STD:
             descriptor = new PSIDescriptorSTD(); break;
         case DESCRIPTOR_TAGS.DESCR_ISO_639_LANGUAGE:
             descriptor = new PSIDescriptorISO639Language(); break;
         case DESCRIPTOR_TAGS.DESCR_SUBTITLING:
             descriptor = new PSIDescriptorSubtitling(); break;
         case DESCRIPTOR_TAGS.DESCR_TELETEXT:
             descriptor = new PSIDescriptorTeletext(); break;
         case DESCRIPTOR_TAGS.DESCR_AC3:
             descriptor = new PSIDescriptorAC3(); break;
         case DESCRIPTOR_TAGS.DESCR_CA_IDENT:
             descriptor = new PSIDescriptorCAIdentifier(); break;
         case DESCRIPTOR_TAGS.DESCR_CA_SYSTEM:
             descriptor = new PSIDescriptorCASystem(); break;
         case DESCRIPTOR_TAGS.DESCR_CA:
             descriptor = new PSIDescriptorCA(); break;
         case DESCRIPTOR_TAGS.DESCR_DATA_BROADCAST_ID:
             descriptor = new PSIDescriptorDataBroadcastId(); break;
         case DESCRIPTOR_TAGS.DESCR_LOGICAL_CHANNEL:
             descriptor = new PSIDescriptorLogicalChannel();break;
         case DESCRIPTOR_TAGS.DESCR_HD_SIMULCAST_LOGICAL_CHANNEL:
             descriptor = new PSIDescriptorHDSimulcastLogicalChannel();break;
         default:
             descriptor = new PSIDescriptor();
             descriptor.unparseData = new byte[length];
             Array.Copy(data, offset + 2, descriptor.unparseData, 0, length);
             break;
     }
     descriptor.Parse(data, offset);
     return descriptor;
 }