Example #1
0
        public TSDescriptor Clone()
        {
            var descriptor = new TSDescriptor(Name, (byte)Value.Length);

            Value.CopyTo(descriptor.Value, 0);
            return(descriptor);
        }
Example #2
0
 public TSDescriptor Clone()
 {
     TSDescriptor descriptor = 
         new TSDescriptor(Name, (byte)Value.Length);
     Value.CopyTo(descriptor.Value, 0);
     return descriptor;
 }
        public void Scan(List<TSPlaylistFile> playlists, bool isFullScan)
        {
            if (playlists == null || playlists.Count == 0)
            {
                return;
            }

            Playlists = playlists;
            int dataSize = 16384;
            FileStream fileStream = null;
            try
            {                
                string fileName;
                if (BDInfoSettings.EnableSSIF &&
                    InterleavedFile != null)
                {
                    fileName = InterleavedFile.FileInfo.FullName;
                }
                else
                {
                    fileName = FileInfo.FullName;
                }
                fileStream = new FileStream(
                    fileName,
                    FileMode.Open,
                    FileAccess.Read,
                    FileShare.Read,
                    dataSize, false);

                Size = 0;
                Length = 0;

                Streams.Clear();
                StreamStates.Clear();
                StreamDiagnostics.Clear();

                TSPacketParser parser = 
                    new TSPacketParser();
                
                long fileLength = (uint)fileStream.Length;
                byte[] buffer = new byte[dataSize];
                int bufferLength = 0;
                while ((bufferLength = 
                    fileStream.Read(buffer, 0, buffer.Length)) > 0)
                {
                    int offset = 0;
                    for (int i = 0; i < bufferLength; i++)
                    {
                        if (parser.SyncState == false)
                        {
                            if (parser.TimeCodeParse > 0)
                            {
                                parser.TimeCodeParse--;
                                switch (parser.TimeCodeParse)
                                {
                                    case 3:
                                        parser.TimeCode = 0;
                                        parser.TimeCode |=
                                            ((uint)buffer[i] & 0x3F) << 24;
                                        break;
                                    case 2:
                                        parser.TimeCode |=
                                            ((uint)buffer[i] & 0xFF) << 16;
                                        break;
                                    case 1:
                                        parser.TimeCode |=
                                            ((uint)buffer[i] & 0xFF) << 8;
                                        break;
                                    case 0:
                                        parser.TimeCode |=
                                            ((uint)buffer[i] & 0xFF);
                                        break;
                                }
                            }
                            else if (buffer[i] == 0x47)
                            {
                                parser.SyncState = true;
                                parser.PacketLength = 187;
                                parser.TimeCodeParse = 4;
                                parser.HeaderParse = 3;
                            }
                        }
                        else if (parser.HeaderParse > 0)
                        {
                            parser.PacketLength--;
                            parser.HeaderParse--;

                            switch (parser.HeaderParse)
                            {
                                case 2:
                                {
                                    parser.TransportErrorIndicator =
                                        (byte)((buffer[i] >> 7) & 0x1);
                                    parser.PayloadUnitStartIndicator =
                                        (byte)((buffer[i] >> 6) & 0x1);
                                    parser.TransportPriority =
                                        (byte)((buffer[i] >> 5) & 0x1);
                                    parser.PID =
                                        (ushort)((buffer[i] & 0x1f) << 8);
                                }
                                break;

                                case 1:
                                {
                                    parser.PID |= (ushort)buffer[i];
                                    if (Streams.ContainsKey(parser.PID))
                                    {
                                        parser.Stream = Streams[parser.PID];
                                    }
                                    else
                                    {
                                        parser.Stream = null;
                                    }
                                    if (!StreamStates.ContainsKey(parser.PID))
                                    {
                                        StreamStates[parser.PID] = new TSStreamState();
                                    }
                                    parser.StreamState = StreamStates[parser.PID];
                                    parser.StreamState.TotalPackets++;
                                    parser.StreamState.WindowPackets++;
                                    parser.TotalPackets++;
                                }
                                break;

                                case 0:
                                {
                                    parser.TransportScramblingControl =
                                        (byte)((buffer[i] >> 6) & 0x3);
                                    parser.AdaptionFieldControl =
                                        (byte)((buffer[i] >> 4) & 0x3);

                                    if ((parser.AdaptionFieldControl & 0x2) == 0x2)
                                    {
                                        parser.AdaptionFieldState = true;
                                    }
                                    if (parser.PayloadUnitStartIndicator == 1)
                                    {
                                        if (parser.PID == 0)
                                        {
                                            parser.PATSectionStart = true;
                                        }
                                        else if (parser.PID == parser.PMTPID)
                                        {
                                            parser.PMTSectionStart = true;
                                        }
                                        else if (parser.StreamState != null &&
                                            parser.StreamState.TransferState)
                                        {
                                            parser.StreamState.TransferState = false;
                                            parser.StreamState.TransferCount++;

                                            bool isFinished = ScanStream(
                                                parser.Stream, 
                                                parser.StreamState, 
                                                parser.StreamState.StreamBuffer);

                                            if (!isFullScan && isFinished)
                                            {
                                                return;
                                            }
                                        }
                                    }
                                }
                                break;
                            }
                        }
                        else if (parser.AdaptionFieldState)
                        {
                            parser.PacketLength--;
                            parser.AdaptionFieldParse = buffer[i];
                            parser.AdaptionFieldLength = buffer[i];
                            parser.AdaptionFieldState = false;
                        }
                        else if (parser.AdaptionFieldParse > 0)
                        {
                            parser.PacketLength--;
                            parser.AdaptionFieldParse--;
                            if ((parser.AdaptionFieldLength - parser.AdaptionFieldParse) == 1)
                            {
                                if ((buffer[i] & 0x10) == 0x10)
                                {
                                    parser.PCRParse = 6;
                                    parser.PCR = 0;
                                }
                            }
                            else if (parser.PCRParse > 0)
                            {
                                parser.PCRParse--;
                                parser.PCR = (parser.PCR << 8) + (ulong)buffer[i];
                                if (parser.PCRParse == 0)
                                {
                                    parser.PreviousPCR = parser.PCR;
                                    parser.PCR = (parser.PCR & 0x1FF) +
                                        ((parser.PCR >> 15) * 300);
                                }
                                parser.PCRCount++;
                            }
                            if (parser.PacketLength == 0)
                            {
                                parser.SyncState = false;
                            }
                        }
                        else if (parser.PID == 0)
                        {
                            if (parser.PATTransferState)
                            {
                                if ((bufferLength - i) > parser.PATSectionLength)
                                {
                                    offset = parser.PATSectionLength;
                                }
                                else
                                {
                                    offset = (bufferLength - i);
                                }
                                if (parser.PacketLength <= offset)
                                {
                                    offset = parser.PacketLength;
                                }

                                for (int k = 0; k < offset; k++)
                                {
                                    parser.PAT[parser.PATOffset++] = buffer[i++];
                                    parser.PATSectionLength--;
                                    parser.PacketLength--;
                                } --i;

                                if (parser.PATSectionLength == 0)
                                {
                                    parser.PATTransferState = false;
                                    if (parser.PATSectionNumber == parser.PATLastSectionNumber)
                                    {
                                        for (int k = 0; k < (parser.PATOffset - 4); k += 4)
                                        {
                                            uint programNumber = (uint)
                                                ((parser.PAT[k] << 8) +  
                                                  parser.PAT[k + 1]);

                                            ushort programPID = (ushort)                                                 
                                                (((parser.PAT[k + 2] & 0x1F) << 8) +
                                                   parser.PAT[k + 3]);

                                            if (programNumber == 1)
                                            {
                                                parser.PMTPID = programPID;
                                            }
                                        }
                                    }
                                }
                            }
                            else
                            {
                                --parser.PacketLength;
                                if (parser.PATSectionStart)
                                {
                                    parser.PATPointerField = buffer[i];
                                    if (parser.PATPointerField == 0)
                                    {
                                        parser.PATSectionLengthParse = 3;
                                    }
                                    parser.PATSectionStart = false;
                                }
                                else if (parser.PATPointerField > 0)
                                {
                                    --parser.PATPointerField;
                                    if (parser.PATPointerField == 0)
                                    {
                                        parser.PATSectionLengthParse = 3;
                                    }
                                }
                                else if (parser.PATSectionLengthParse > 0)
                                {
                                    --parser.PATSectionLengthParse;
                                    switch (parser.PATSectionLengthParse)
                                    {
                                        case 2:
                                            break;
                                        case 1:
                                            parser.PATSectionLength = (ushort)
                                                ((buffer[i] & 0xF) << 8);
                                            break;
                                        case 0:
                                            parser.PATSectionLength |= buffer[i];
                                            if (parser.PATSectionLength > 1021)
                                            {
                                                parser.PATSectionLength = 0;
                                            }
                                            else
                                            {
                                                parser.PATSectionParse = 5;
                                            }
                                            break;
                                    }
                                }
                                else if (parser.PATSectionParse > 0)
                                {
                                    --parser.PATSectionLength;
                                    --parser.PATSectionParse;

                                    switch (parser.PATSectionParse)
                                    {
                                        case 4:
                                            parser.TransportStreamId = (ushort)
                                                (buffer[i] << 8);
                                            break;
                                        case 3:
                                            parser.TransportStreamId |= buffer[i];
                                            break;
                                        case 2:
                                            break;
                                        case 1:
                                            parser.PATSectionNumber = buffer[i];
                                            if (parser.PATSectionNumber == 0)
                                            {
                                                parser.PATOffset = 0;
                                            }
                                            break;
                                        case 0:
                                            parser.PATLastSectionNumber = buffer[i];
                                            parser.PATTransferState = true;
                                            break;
                                    }
                                }
                            }
                            if (parser.PacketLength == 0)
                            {
                                parser.SyncState = false;
                            }
                        }
                        else if (parser.PID == parser.PMTPID)
                        {
                            if (parser.PMTTransferState)
                            {
                                if ((bufferLength - i) >= parser.PMTSectionLength)
                                {
                                    offset = parser.PMTSectionLength;
                                }
                                else
                                {
                                    offset = (bufferLength - i);
                                }
                                if (parser.PacketLength <= offset)
                                {
                                    offset = parser.PacketLength;
                                }
                                if (!parser.PMT.ContainsKey(parser.PID))
                                {
                                    parser.PMT[parser.PID] = new byte[1024];
                                }

                                byte[] PMT = parser.PMT[parser.PID];
                                for (int k = 0; k < offset; k++)
                                {
                                    PMT[parser.PMTOffset++] = buffer[i++];
                                    --parser.PMTSectionLength;
                                    --parser.PacketLength;
                                } --i;

                                if (parser.PMTSectionLength == 0)
                                {
                                    parser.PMTTransferState = false;
                                    if (parser.PMTSectionNumber == parser.PMTLastSectionNumber)
                                    {
                                        for (int k = 0; k < (parser.PMTOffset - 4); k += 5)
                                        {
                                            byte streamType = PMT[k];
                                            
                                            ushort streamPID = (ushort)
                                                (((PMT[k + 1] & 0x1F) << 8) +
                                                   PMT[k + 2]);
                                            
                                            ushort streamInfoLength = (ushort)
                                                (((PMT[k + 3] & 0xF) << 8) + 
                                                   PMT[k + 4]);

                                            if (!Streams.ContainsKey(streamPID))
                                            {
                                                List<TSDescriptor> streamDescriptors =
                                                    new List<TSDescriptor>();

                                                if (streamInfoLength > 0)
                                                {
                                                    for (int d = 0; d < streamInfoLength; d++)
                                                    {
                                                        byte name = PMT[k + d + 5];
                                                        byte length = PMT[k + d + 6];
                                                        TSDescriptor descriptor =
                                                            new TSDescriptor(name, length);
                                                        for (int v = 0; v < length; v++)
                                                        {
                                                            descriptor.Value[v] =
                                                                PMT[k + d + v + 7];
                                                        }
                                                        streamDescriptors.Add(descriptor);
                                                        d += (length + 1);
                                                    }
                                                }
                                                CreateStream(streamPID, streamType, streamDescriptors);
                                            }
                                            k += streamInfoLength;
                                        }
                                    }
                                }
                            }
                            else
                            {
                                --parser.PacketLength;
                                if (parser.PMTSectionStart)
                                {
                                    parser.PMTPointerField = buffer[i];
                                    if (parser.PMTPointerField == 0)
                                    {
                                        parser.PMTSectionLengthParse = 3;
                                    }
                                    parser.PMTSectionStart = false;
                                }
                                else if (parser.PMTPointerField > 0)
                                {
                                    --parser.PMTPointerField;
                                    if (parser.PMTPointerField == 0)
                                    {
                                        parser.PMTSectionLengthParse = 3;
                                    }
                                }
                                else if (parser.PMTSectionLengthParse > 0)
                                {
                                    --parser.PMTSectionLengthParse;
                                    switch (parser.PMTSectionLengthParse)
                                    {
                                        case 2:
                                            if (buffer[i] != 0x2)
                                            {
                                                parser.PMTSectionLengthParse = 0;
                                            }
                                            break;
                                        case 1:
                                            parser.PMTSectionLength = (ushort)
                                                ((buffer[i] & 0xF) << 8);
                                            break;
                                        case 0:
                                            parser.PMTSectionLength |= buffer[i];
                                            if (parser.PMTSectionLength > 1021)
                                            {
                                                parser.PMTSectionLength = 0;
                                            }
                                            else
                                            {
                                                parser.PMTSectionParse = 9;
                                            }
                                            break;
                                    }
                                }
                                else if (parser.PMTSectionParse > 0)
                                {
                                    --parser.PMTSectionLength;
                                    --parser.PMTSectionParse;

                                    switch (parser.PMTSectionParse)
                                    {
                                        case 8:
                                        case 7:
                                        case 6:
                                            break;
                                        case 5:
                                            parser.PMTSectionNumber = buffer[i];
                                            if (parser.PMTSectionNumber == 0)
                                            {
                                                parser.PMTOffset = 0;
                                            }
                                            break;
                                        case 4:
                                            parser.PMTLastSectionNumber = buffer[i];
                                            break;
                                        case 3:
                                            parser.PCRPID = (ushort)
                                                ((buffer[i] & 0x1F) << 8);
                                            break;
                                        case 2:
                                            parser.PCRPID |= buffer[i];
                                            break;
                                        case 1:
                                            parser.PMTProgramInfoLength = (ushort)
                                                ((buffer[i] & 0xF) << 8);
                                            break;
                                        case 0:
                                            parser.PMTProgramInfoLength |= buffer[i];
                                            if (parser.PMTProgramInfoLength == 0)
                                            {
                                                parser.PMTTransferState = true;
                                            }
                                            else
                                            {
                                                parser.PMTProgramDescriptorLengthParse = 2;
                                            }
                                            break;
                                    }
                                }
                                else if (parser.PMTProgramInfoLength > 0)
                                {
                                    --parser.PMTSectionLength;
                                    --parser.PMTProgramInfoLength;

                                    if (parser.PMTProgramDescriptorLengthParse > 0)
                                    {
                                        --parser.PMTProgramDescriptorLengthParse;
                                        switch (parser.PMTProgramDescriptorLengthParse)
                                        {
                                            case 1:
                                                parser.PMTProgramDescriptor = buffer[i];
                                                break;
                                            case 0:
                                                parser.PMTProgramDescriptorLength = buffer[i];
                                                parser.PMTProgramDescriptors.Add(
                                                    new TSDescriptor(
                                                        parser.PMTProgramDescriptor, 
                                                        parser.PMTProgramDescriptorLength));
                                                break;
                                        }
                                    }
                                    else if (parser.PMTProgramDescriptorLength > 0)
                                    {
                                        --parser.PMTProgramDescriptorLength;

                                        TSDescriptor descriptor = parser.PMTProgramDescriptors[
                                            parser.PMTProgramDescriptors.Count - 1];

                                        int valueIndex =
                                            descriptor.Value.Length - 
                                            parser.PMTProgramDescriptorLength - 1;

                                        descriptor.Value[valueIndex] = buffer[i];

                                        if (parser.PMTProgramDescriptorLength == 0 &&
                                            parser.PMTProgramInfoLength > 0)
                                        {
                                            parser.PMTProgramDescriptorLengthParse = 2;
                                        }
                                    }
                                    if (parser.PMTProgramInfoLength == 0)
                                    {
                                        parser.PMTTransferState = true;
                                    }
                                }
                            }
                            if (parser.PacketLength == 0)
                            {
                                parser.SyncState = false;
                            }
                        }
                        else if (parser.Stream != null && 
                            parser.StreamState != null && 
                            parser.TransportScramblingControl == 0)
                        {
                            TSStream stream = parser.Stream;
                            TSStreamState streamState = parser.StreamState;

                            streamState.Parse =
                                (streamState.Parse << 8) + buffer[i];

                            if (streamState.TransferState)
                            {
                                if ((bufferLength - i) >= streamState.PacketLength && 
                                    streamState.PacketLength > 0)
                                {
                                    offset = streamState.PacketLength;
                                }
                                else
                                {
                                    offset = (bufferLength - i);
                                }
                                if (parser.PacketLength <= offset)
                                {
                                    offset = parser.PacketLength;
                                }
                                streamState.TransferLength = offset;

                                if (!stream.IsInitialized ||
                                    stream.IsVideoStream)
                                {
                                    streamState.StreamBuffer.Add(
                                        buffer, i, offset);
                                }
                                else
                                {
                                    streamState.StreamBuffer.TransferLength += offset;
                                }

                                i += (int)(streamState.TransferLength - 1);
                                streamState.PacketLength -= streamState.TransferLength;
                                parser.PacketLength -= (byte)streamState.TransferLength;

                                streamState.TotalBytes += (ulong)streamState.TransferLength;
                                streamState.WindowBytes += (ulong)streamState.TransferLength;

                                if (streamState.PacketLength == 0)
                                {
                                    streamState.TransferState = false;
                                    streamState.TransferCount++;
                                    bool isFinished = ScanStream(
                                        stream,
                                        streamState,
                                        streamState.StreamBuffer);

                                    if (!isFullScan && isFinished)
                                    {
                                        return;
                                    }
                                }
                            }
                            else
                            {
                                --parser.PacketLength;

                                bool headerFound = false;
                                if (stream.IsVideoStream && 
                                    streamState.Parse == 0x000001FD)
                                {
                                    headerFound = true;
                                }
                                if (stream.IsVideoStream &&
                                    streamState.Parse >= 0x000001E0 &&
                                    streamState.Parse <= 0x000001EF)
                                {
                                    headerFound = true;
                                }
                                if (stream.IsAudioStream &&
                                    streamState.Parse == 0x000001BD)
                                {
                                    headerFound = true;
                                }
                                if (stream.IsAudioStream &&
                                    (streamState.Parse == 0x000001FA ||
                                     streamState.Parse == 0x000001FD))
                                {
                                    headerFound = true;
                                }

                                if (!stream.IsVideoStream &&
                                    !stream.IsAudioStream &&
                                    (streamState.Parse == 0x000001FA ||
                                     streamState.Parse == 0x000001FD ||
                                     streamState.Parse == 0x000001BD ||
                                     (streamState.Parse >= 0x000001E0 &&
                                      streamState.Parse <= 0x000001EF)))
                                {
                                    headerFound = true;
                                }

                                if (headerFound)
                                {
                                    streamState.PacketLengthParse = 2;
#if DEBUG
                                    streamState.PESHeaderIndex = 0;
                                    streamState.PESHeader[streamState.PESHeaderIndex++] =
                                        (byte)((streamState.Parse >> 24) & 0xFF);
                                    streamState.PESHeader[streamState.PESHeaderIndex++] =
                                        (byte)((streamState.Parse >> 16) & 0xFF);
                                    streamState.PESHeader[streamState.PESHeaderIndex++] =
                                        (byte)((streamState.Parse >> 8) & 0xFF);
                                    streamState.PESHeader[streamState.PESHeaderIndex++] =
                                        (byte)(streamState.Parse & 0xFF);
#endif
                                }
                                else if (streamState.PacketLengthParse > 0)
                                {
                                    --streamState.PacketLengthParse;
                                    switch (streamState.PacketLengthParse)
                                    {
                                        case 1:
#if DEBUG
                                            streamState.PESHeader[streamState.PESHeaderIndex++] =
                                                (byte)(streamState.Parse & 0xFF);
#endif
                                            break;

                                        case 0:
                                            streamState.PacketLength =
                                                (int)(streamState.Parse & 0xFFFF);
                                            streamState.PacketParse = 3;
#if DEBUG
                                            streamState.PESHeader[streamState.PESHeaderIndex++] =
                                                (byte)(streamState.Parse & 0xFF);
#endif
                                            break;
                                    }
                                }
                                else if (streamState.PacketParse > 0)
                                {
                                    --streamState.PacketLength;
                                    --streamState.PacketParse;

                                    switch (streamState.PacketParse)
                                    {
                                        case 2:
#if DEBUG
                                            streamState.PESHeader[streamState.PESHeaderIndex++] =
                                                (byte)(streamState.Parse & 0xFF);
#endif
                                            break;
                                        
                                        case 1:
                                            streamState.PESHeaderFlags = 
                                                (byte)(streamState.Parse & 0xFF);
#if DEBUG
                                            streamState.PESHeader[streamState.PESHeaderIndex++] =
                                                (byte)(streamState.Parse & 0xFF);
#endif
                                            break;
                                        
                                        case 0:
                                            streamState.PESHeaderLength = 
                                                (byte)(streamState.Parse & 0xFF);
#if DEBUG
                                            streamState.PESHeader[streamState.PESHeaderIndex++] =
                                                (byte)(streamState.Parse & 0xFF);
#endif
                                            if ((streamState.PESHeaderFlags & 0xC0) == 0x80)
                                            {
                                                streamState.PTSParse = 5;
                                            }
                                            else if ((streamState.PESHeaderFlags & 0xC0) == 0xC0)
                                            {
                                                streamState.DTSParse = 10;
                                            }
                                            if (streamState.PESHeaderLength == 0)
                                            {
                                                streamState.TransferState = true;
                                            }
                                            break;
                                    }
                                }
                                else if (streamState.PTSParse > 0)
                                {
                                    --streamState.PacketLength;
                                    --streamState.PESHeaderLength;
                                    --streamState.PTSParse;

                                    switch (streamState.PTSParse)
                                    {
                                        case 4:
                                            streamState.PTSTemp = 
                                                ((streamState.Parse & 0xE) << 29);
#if DEBUG
                                            streamState.PESHeader[streamState.PESHeaderIndex++] = 
                                                (byte)(streamState.Parse & 0xff);
#endif
                                            break;
                                        
                                        case 3:
                                            streamState.PTSTemp |= 
                                                ((streamState.Parse & 0xFF) << 22);
#if DEBUG
                                            streamState.PESHeader[streamState.PESHeaderIndex++] = 
                                                (byte)(streamState.Parse & 0xFF);
#endif
                                            break;
                                        
                                        case 2:
                                            streamState.PTSTemp |= 
                                                ((streamState.Parse & 0xFE) << 14);
#if DEBUG
                                            streamState.PESHeader[streamState.PESHeaderIndex++] = 
                                                (byte)(streamState.Parse & 0xFF);
#endif
                                            break;
                                        
                                        case 1:
                                            streamState.PTSTemp |= 
                                                ((streamState.Parse & 0xFF) << 7);
#if DEBUG
                                            streamState.PESHeader[streamState.PESHeaderIndex++] = 
                                                (byte)(streamState.Parse & 0xFF);
#endif
                                            break;
                                        
                                        case 0:
                                            streamState.PTSTemp |= 
                                                ((streamState.Parse & 0xFE) >> 1);
#if DEBUG
                                            streamState.PESHeader[streamState.PESHeaderIndex++] = 
                                                (byte)(streamState.Parse & 0xff);
#endif                                        
                                            streamState.PTS = streamState.PTSTemp;

                                            if (streamState.PTS > streamState.PTSLast)
                                            {
                                                if (streamState.PTSLast > 0)
                                                {
                                                    streamState.PTSTransfer = (streamState.PTS - streamState.PTSLast);
                                                }                                                
                                                streamState.PTSLast = streamState.PTS;
                                            }

                                            streamState.PTSDiff = streamState.PTS - streamState.DTSPrev;

                                            if (streamState.PTSCount > 0 && 
                                                stream.IsVideoStream)
                                            {
                                                UpdateStreamBitrates(stream.PID, streamState.PTS, streamState.PTSDiff);
                                                if (streamState.DTSTemp < parser.PTSFirst)
                                                {
                                                    parser.PTSFirst = streamState.DTSTemp;
                                                }
                                                if (streamState.DTSTemp > parser.PTSLast)
                                                {
                                                    parser.PTSLast = streamState.DTSTemp;
                                                }
                                                Length = (double)(parser.PTSLast - parser.PTSFirst) / 90000;
                                            }
                                            
                                            streamState.DTSPrev = streamState.PTS;
                                            streamState.PTSCount++;
                                            if (streamState.PESHeaderLength == 0)
                                            {
                                                streamState.TransferState = true;
                                            }
                                            break;
                                    }
                                }
                                else if (streamState.DTSParse > 0)
                                {
                                    --streamState.PacketLength;
                                    --streamState.PESHeaderLength;
                                    --streamState.DTSParse;

                                    switch (streamState.DTSParse)
                                    {
                                        case 9:
                                            streamState.PTSTemp = 
                                                ((streamState.Parse & 0xE) << 29);
#if DEBUG
                                            streamState.PESHeader[streamState.PESHeaderIndex++] = 
                                                (byte)(streamState.Parse & 0xFF);
#endif
                                            break;
                                        
                                        case 8:
                                            streamState.PTSTemp |= 
                                                ((streamState.Parse & 0xFF) << 22);
#if DEBUG
                                            streamState.PESHeader[streamState.PESHeaderIndex++] = 
                                                (byte)(streamState.Parse & 0xFF);
#endif
                                            break;
                                        
                                        case 7:
                                            streamState.PTSTemp |= 
                                                ((streamState.Parse & 0xFE) << 14);
#if DEBUG
                                            streamState.PESHeader[streamState.PESHeaderIndex++] = 
                                                (byte)(streamState.Parse & 0xff);
#endif
                                            break;
                                        
                                        case 6:
                                            streamState.PTSTemp |= 
                                                ((streamState.Parse & 0xFF) << 7);
#if DEBUG
                                            streamState.PESHeader[streamState.PESHeaderIndex++] = 
                                                (byte)(streamState.Parse & 0xFF);
#endif
                                            break;
                                        
                                        case 5:
                                            streamState.PTSTemp |= 
                                                ((streamState.Parse & 0xFE) >> 1);
#if DEBUG
                                            streamState.PESHeader[streamState.PESHeaderIndex++] = 
                                                (byte)(streamState.Parse & 0xff);
#endif
                                            streamState.PTS = streamState.PTSTemp;
                                            if (streamState.PTS > streamState.PTSLast)
                                            {
                                                streamState.PTSLast = streamState.PTS;
                                            }
                                            break;
                                        
                                        case 4:
                                            streamState.DTSTemp = 
                                                ((streamState.Parse & 0xE) << 29);
#if DEBUG
                                            streamState.PESHeader[streamState.PESHeaderIndex++] = 
                                                (byte)(streamState.Parse & 0xff);
#endif
                                            break;
                                        
                                        case 3:
                                            streamState.DTSTemp |= 
                                                ((streamState.Parse & 0xFF) << 22);
#if DEBUG
                                            streamState.PESHeader[streamState.PESHeaderIndex++] = 
                                                (byte)(streamState.Parse & 0xff);
#endif
                                            break;
                                        
                                        case 2:
                                            streamState.DTSTemp |= 
                                                ((streamState.Parse & 0xFE) << 14);
#if DEBUG
                                            streamState.PESHeader[streamState.PESHeaderIndex++] = 
                                                (byte)(streamState.Parse & 0xff);
#endif
                                            break;
                                        
                                        case 1:
                                            streamState.DTSTemp |= 
                                                ((streamState.Parse & 0xFF) << 7);
#if DEBUG
                                            streamState.PESHeader[streamState.PESHeaderIndex++] = 
                                                (byte)(streamState.Parse & 0xFF);
#endif
                                            break;
                                        
                                        case 0:
                                            streamState.DTSTemp |= 
                                                ((streamState.Parse & 0xFE) >> 1);
#if DEBUG
                                            streamState.PESHeader[streamState.PESHeaderIndex++] = 
                                                (byte)(streamState.Parse & 0xff);
#endif
                                            streamState.PTSDiff = streamState.DTSTemp - streamState.DTSPrev;

                                            if (streamState.PTSCount > 0 &&
                                                stream.IsVideoStream)
                                            {
                                                UpdateStreamBitrates(stream.PID, streamState.DTSTemp, streamState.PTSDiff);
                                                if (streamState.DTSTemp < parser.PTSFirst)
                                                {
                                                    parser.PTSFirst = streamState.DTSTemp;
                                                }
                                                if (streamState.DTSTemp > parser.PTSLast)
                                                {
                                                    parser.PTSLast = streamState.DTSTemp;
                                                }
                                                Length = (double)(parser.PTSLast - parser.PTSFirst) / 90000;
                                            }
                                            streamState.DTSPrev = streamState.DTSTemp;
                                            streamState.PTSCount++;
                                            if (streamState.PESHeaderLength == 0)
                                            {
                                                streamState.TransferState = true;
                                            }
                                            break;
                                    }
                                }
                                else if (streamState.PESHeaderLength > 0)
                                {
                                    --streamState.PacketLength;
                                    --streamState.PESHeaderLength;
#if DEBUG
                                    streamState.PESHeader[streamState.PESHeaderIndex++] =
                                        (byte)(streamState.Parse & 0xFF);
#endif
                                    if (streamState.PESHeaderLength == 0)
                                    {
                                        streamState.TransferState = true;
                                    }
                                }
                            }
                            if (parser.PacketLength == 0)
                            {
                                parser.SyncState = false;
                            }
                        }
                        else
                        {
                            parser.PacketLength--;
                            if ((bufferLength - i) >= parser.PacketLength)
                            {
                                i = i + parser.PacketLength;
                                parser.PacketLength = 0;
                            }
                            else
                            {
                                parser.PacketLength -= (byte)((bufferLength - i) + 1);
                                i = bufferLength;
                            }
                            if (parser.PacketLength == 0)
                            {
                                parser.SyncState = false;
                            }
                        }
                    }
                    Size += bufferLength;
                }

                ulong PTSLast = 0;
                ulong PTSDiff = 0;
                foreach (TSStream stream in Streams.Values)
                {
                    if (!stream.IsVideoStream) continue;

                    if (StreamStates.ContainsKey(stream.PID) &&
                        StreamStates[stream.PID].PTSLast > PTSLast)
                    {
                        PTSLast = StreamStates[stream.PID].PTSLast;
                        PTSDiff = PTSLast - StreamStates[stream.PID].DTSPrev;
                    }
                    UpdateStreamBitrates(stream.PID, PTSLast, PTSDiff);
                }
            }
            finally
            {
                if (fileStream != null)
                {
                    fileStream.Close();
                }
            }
        }