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@@ -0,0 +1,1551 @@
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+//============================================================================
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+// BDInfo - Blu-ray Video and Audio Analysis Tool
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+// Copyright © 2010 Cinema Squid
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+//
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+// This library is free software; you can redistribute it and/or
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+// modify it under the terms of the GNU Lesser General Public
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+// License as published by the Free Software Foundation; either
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+// version 2.1 of the License, or (at your option) any later version.
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+//
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+// This library is distributed in the hope that it will be useful,
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+// but WITHOUT ANY WARRANTY; without even the implied warranty of
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+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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+// Lesser General Public License for more details.
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+//
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+// You should have received a copy of the GNU Lesser General Public
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+// License along with this library; if not, write to the Free Software
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+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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+//=============================================================================
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+
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+#undef DEBUG
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+using System;
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+using System.Collections.Generic;
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+using System.Diagnostics;
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+using System.IO;
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+using System.Text;
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+
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+namespace BDInfo
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+{
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+ public class TSStreamState
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+ {
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+ public ulong TransferCount = 0;
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+
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+ public string StreamTag = null;
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+
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+ public ulong TotalPackets = 0;
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+ public ulong WindowPackets = 0;
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+
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+ public ulong TotalBytes = 0;
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+ public ulong WindowBytes = 0;
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+
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+ public long PeakTransferLength = 0;
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+ public long PeakTransferRate = 0;
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+
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+ public double TransferMarker = 0;
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+ public double TransferInterval = 0;
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+
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+ public TSStreamBuffer StreamBuffer = new TSStreamBuffer();
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+
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+ public uint Parse = 0;
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+ public bool TransferState = false;
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+ public int TransferLength = 0;
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+ public int PacketLength = 0;
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+ public byte PacketLengthParse = 0;
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+ public byte PacketParse = 0;
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+
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+ public byte PTSParse = 0;
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+ public ulong PTS = 0;
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+ public ulong PTSTemp = 0;
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+ public ulong PTSLast = 0;
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+ public ulong PTSPrev = 0;
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+ public ulong PTSDiff = 0;
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+ public ulong PTSCount = 0;
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+ public ulong PTSTransfer = 0;
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+
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+ public byte DTSParse = 0;
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+ public ulong DTSTemp = 0;
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+ public ulong DTSPrev = 0;
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+
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+ public byte PESHeaderLength = 0;
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+ public byte PESHeaderFlags = 0;
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+#if DEBUG
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+ public byte PESHeaderIndex = 0;
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+ public byte[] PESHeader = new byte[256 + 9];
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+#endif
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+ }
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+
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+ public class TSPacketParser
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+ {
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+ public bool SyncState = false;
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+ public byte TimeCodeParse = 4;
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+ public byte PacketLength = 0;
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+ public byte HeaderParse = 0;
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+
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+ public uint TimeCode;
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+ public byte TransportErrorIndicator;
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+ public byte PayloadUnitStartIndicator;
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+ public byte TransportPriority;
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+ public ushort PID;
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+ public byte TransportScramblingControl;
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+ public byte AdaptionFieldControl;
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+
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+ public bool AdaptionFieldState = false;
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+ public byte AdaptionFieldParse = 0;
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+ public byte AdaptionFieldLength = 0;
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+
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+ public ushort PCRPID = 0xFFFF;
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+ public byte PCRParse = 0;
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+ public ulong PreviousPCR = 0;
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+ public ulong PCR = 0;
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+ public ulong PCRCount = 0;
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+ public ulong PTSFirst = ulong.MaxValue;
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+ public ulong PTSLast = ulong.MinValue;
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+ public ulong PTSDiff = 0;
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+
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+ public byte[] PAT = new byte[1024];
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+ public bool PATSectionStart = false;
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+ public byte PATPointerField = 0;
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+ public uint PATOffset = 0;
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+ public byte PATSectionLengthParse = 0;
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+ public ushort PATSectionLength = 0;
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+ public uint PATSectionParse = 0;
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+ public bool PATTransferState = false;
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+ public byte PATSectionNumber = 0;
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+ public byte PATLastSectionNumber = 0;
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+
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+ public ushort TransportStreamId = 0xFFFF;
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+
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+ public List<TSDescriptor> PMTProgramDescriptors = new List<TSDescriptor>();
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+ public ushort PMTPID = 0xFFFF;
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+ public Dictionary<ushort, byte[]> PMT = new Dictionary<ushort, byte[]>();
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+ public bool PMTSectionStart = false;
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+ public ushort PMTProgramInfoLength = 0;
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+ public byte PMTProgramDescriptor = 0;
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+ public byte PMTProgramDescriptorLengthParse = 0;
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+ public byte PMTProgramDescriptorLength = 0;
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+ public ushort PMTStreamInfoLength = 0;
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+ public uint PMTStreamDescriptorLengthParse = 0;
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+ public uint PMTStreamDescriptorLength = 0;
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+ public byte PMTPointerField = 0;
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+ public uint PMTOffset = 0;
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+ public uint PMTSectionLengthParse = 0;
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+ public ushort PMTSectionLength = 0;
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+ public uint PMTSectionParse = 0;
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+ public bool PMTTransferState = false;
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+ public byte PMTSectionNumber = 0;
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+ public byte PMTLastSectionNumber = 0;
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+
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+ public byte PMTTemp = 0;
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+
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+ public TSStream Stream = null;
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+ public TSStreamState StreamState = null;
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+
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+ public ulong TotalPackets = 0;
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+ }
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+
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+ public class TSStreamDiagnostics
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+ {
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+ public ulong Bytes = 0;
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+ public ulong Packets = 0;
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+ public double Marker = 0;
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+ public double Interval = 0;
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+ public string Tag = null;
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+ }
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+
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+ public class TSStreamFile
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+ {
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+ public FileInfo FileInfo = null;
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+ public string Name = null;
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+ public long Size = 0;
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+ public double Length = 0;
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+
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+ public TSInterleavedFile InterleavedFile = null;
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+
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+ private Dictionary<ushort, TSStreamState> StreamStates =
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+ new Dictionary<ushort, TSStreamState>();
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+
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+ public Dictionary<ushort, TSStream> Streams =
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+ new Dictionary<ushort, TSStream>();
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+
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+ public Dictionary<ushort, List<TSStreamDiagnostics>> StreamDiagnostics =
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+ new Dictionary<ushort, List<TSStreamDiagnostics>>();
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+
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+ private List<TSPlaylistFile> Playlists = null;
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+
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+ public TSStreamFile(FileInfo fileInfo)
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+ {
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+ FileInfo = fileInfo;
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+ Name = fileInfo.Name.ToUpper();
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+ }
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+
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+ public string DisplayName
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+ {
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+ get
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+ {
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+ if (BDInfoSettings.EnableSSIF &&
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+ InterleavedFile != null)
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+ {
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+ return InterleavedFile.Name;
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+ }
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+ return Name;
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+ }
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+ }
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+
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+ private bool ScanStream(
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+ TSStream stream,
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+ TSStreamState streamState,
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+ TSStreamBuffer buffer)
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+ {
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+ streamState.StreamTag = null;
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+
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+ long bitrate = 0;
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+ if (stream.IsAudioStream &&
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+ streamState.PTSTransfer > 0)
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+ {
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+ bitrate = (long)Math.Round(
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+ (buffer.TransferLength * 8.0) /
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+ ((double)streamState.PTSTransfer / 90000));
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+
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+ if (bitrate > streamState.PeakTransferRate)
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+ {
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+ streamState.PeakTransferRate = bitrate;
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+ }
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+ }
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+ if (buffer.TransferLength > streamState.PeakTransferLength)
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+ {
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+ streamState.PeakTransferLength = buffer.TransferLength;
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+ }
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+
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+ buffer.BeginRead();
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+ switch (stream.StreamType)
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+ {
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+ case TSStreamType.MPEG2_VIDEO:
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+ TSCodecMPEG2.Scan(
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+ (TSVideoStream)stream, buffer, ref streamState.StreamTag);
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+ break;
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+
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+ case TSStreamType.AVC_VIDEO:
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+ TSCodecAVC.Scan(
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+ (TSVideoStream)stream, buffer, ref streamState.StreamTag);
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+ break;
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+
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+ case TSStreamType.MVC_VIDEO:
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+ TSCodecMVC.Scan(
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+ (TSVideoStream)stream, buffer, ref streamState.StreamTag);
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+ break;
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+
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+ case TSStreamType.VC1_VIDEO:
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+ TSCodecVC1.Scan(
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+ (TSVideoStream)stream, buffer, ref streamState.StreamTag);
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+ break;
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+
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+ case TSStreamType.AC3_AUDIO:
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+ TSCodecAC3.Scan(
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+ (TSAudioStream)stream, buffer, ref streamState.StreamTag);
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+ break;
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+
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+ case TSStreamType.AC3_PLUS_AUDIO:
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+ case TSStreamType.AC3_PLUS_SECONDARY_AUDIO:
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+ TSCodecAC3.Scan(
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+ (TSAudioStream)stream, buffer, ref streamState.StreamTag);
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+ break;
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+
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+ case TSStreamType.AC3_TRUE_HD_AUDIO:
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+ TSCodecTrueHD.Scan(
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+ (TSAudioStream)stream, buffer, ref streamState.StreamTag);
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+ break;
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+
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+ case TSStreamType.LPCM_AUDIO:
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+ TSCodecLPCM.Scan(
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+ (TSAudioStream)stream, buffer, ref streamState.StreamTag);
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+ break;
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+
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+ case TSStreamType.DTS_AUDIO:
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+ TSCodecDTS.Scan(
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+ (TSAudioStream)stream, buffer, bitrate, ref streamState.StreamTag);
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+ break;
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+
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+ case TSStreamType.DTS_HD_AUDIO:
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+ case TSStreamType.DTS_HD_MASTER_AUDIO:
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+ case TSStreamType.DTS_HD_SECONDARY_AUDIO:
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+ TSCodecDTSHD.Scan(
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+ (TSAudioStream)stream, buffer, bitrate, ref streamState.StreamTag);
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+ break;
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+
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+ default:
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+ stream.IsInitialized = true;
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+ break;
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+ }
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+ buffer.EndRead();
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+ streamState.StreamBuffer.Reset();
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+
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+ bool isAVC = false;
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+ bool isMVC = false;
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+ foreach (TSStream finishedStream in Streams.Values)
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+ {
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+ if (!finishedStream.IsInitialized)
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+ {
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+ return false;
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+ }
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+ if (finishedStream.StreamType == TSStreamType.AVC_VIDEO)
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+ {
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+ isAVC = true;
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+ }
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+ if (finishedStream.StreamType == TSStreamType.MVC_VIDEO)
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+ {
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+ isMVC = true;
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+ }
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+ }
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+ if (isMVC && !isAVC)
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+ {
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+ return false;
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+ }
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+ return true;
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+ }
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+
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+ private void UpdateStreamBitrates(
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+ ushort PTSPID,
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+ ulong PTS,
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+ ulong PTSDiff)
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+ {
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+ if (Playlists == null) return;
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+
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+ foreach (ushort PID in StreamStates.Keys)
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+ {
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+ if (Streams.ContainsKey(PID) &&
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+ Streams[PID].IsVideoStream &&
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+ PID != PTSPID)
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+ {
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+ continue;
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+ }
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+ if (StreamStates[PID].WindowPackets == 0)
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+ {
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+ continue;
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+ }
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+ UpdateStreamBitrate(PID, PTSPID, PTS, PTSDiff);
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+ }
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+
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+ foreach (TSPlaylistFile playlist in Playlists)
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+ {
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+ double packetSeconds = 0;
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+ foreach (TSStreamClip clip in playlist.StreamClips)
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+ {
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+ if (clip.AngleIndex == 0)
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+ {
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+ packetSeconds += clip.PacketSeconds;
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+ }
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+ }
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+ if (packetSeconds > 0)
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+ {
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+ foreach (TSStream playlistStream in playlist.SortedStreams)
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+ {
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+ if (playlistStream.IsVBR)
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+ {
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+ playlistStream.BitRate = (long)Math.Round(
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+ ((playlistStream.PayloadBytes * 8.0) / packetSeconds));
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+
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+ if (playlistStream.StreamType == TSStreamType.AC3_TRUE_HD_AUDIO &&
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+ ((TSAudioStream)playlistStream).CoreStream != null)
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+ {
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+ playlistStream.BitRate -=
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+ ((TSAudioStream)playlistStream).CoreStream.BitRate;
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+ }
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+ }
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+ }
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+ }
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+ }
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+ }
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+
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+ private void UpdateStreamBitrate(
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+ ushort PID,
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+ ushort PTSPID,
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+ ulong PTS,
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+ ulong PTSDiff)
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+ {
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+ if (Playlists == null) return;
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+
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+ TSStreamState streamState = StreamStates[PID];
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+ double streamTime = (double)PTS / 90000;
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+ double streamInterval = (double)PTSDiff / 90000;
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+ double streamOffset = streamTime + streamInterval;
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+
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+ foreach (TSPlaylistFile playlist in Playlists)
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+ {
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+ foreach (TSStreamClip clip in playlist.StreamClips)
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+ {
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+ if (clip.Name != this.Name) continue;
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+
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+ if (streamTime == 0 ||
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+ (streamTime >= clip.TimeIn &&
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+ streamTime <= clip.TimeOut))
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+ {
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+ clip.PayloadBytes += streamState.WindowBytes;
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+ clip.PacketCount += streamState.WindowPackets;
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+
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+ if (streamOffset > clip.TimeIn &&
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+ streamOffset - clip.TimeIn > clip.PacketSeconds)
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+ {
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+ clip.PacketSeconds = streamOffset - clip.TimeIn;
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+ }
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+
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+ Dictionary<ushort, TSStream> playlistStreams = playlist.Streams;
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+ if (clip.AngleIndex > 0 &&
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+ clip.AngleIndex < playlist.AngleStreams.Count + 1)
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+ {
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+ playlistStreams = playlist.AngleStreams[clip.AngleIndex - 1];
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+ }
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+ if (playlistStreams.ContainsKey(PID))
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+ {
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+ TSStream stream = playlistStreams[PID];
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+
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+ stream.PayloadBytes += streamState.WindowBytes;
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+ stream.PacketCount += streamState.WindowPackets;
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+
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+ if (stream.IsVideoStream)
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+ {
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+ stream.PacketSeconds += streamInterval;
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+
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+ stream.ActiveBitRate = (long)Math.Round(
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+ ((stream.PayloadBytes * 8.0) /
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+ stream.PacketSeconds));
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+ }
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+
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+ if (stream.StreamType == TSStreamType.AC3_TRUE_HD_AUDIO &&
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+ ((TSAudioStream)stream).CoreStream != null)
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+ {
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+ stream.ActiveBitRate -=
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+ ((TSAudioStream)stream).CoreStream.BitRate;
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+ }
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+ }
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+ }
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+ }
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+ }
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+
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+ if (Streams.ContainsKey(PID))
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+ {
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+ TSStream stream = Streams[PID];
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+ stream.PayloadBytes += streamState.WindowBytes;
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+ stream.PacketCount += streamState.WindowPackets;
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+
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+ if (stream.IsVideoStream)
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+ {
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+ TSStreamDiagnostics diag = new TSStreamDiagnostics();
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+ diag.Marker = (double)PTS / 90000;
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+ diag.Interval = (double)PTSDiff / 90000;
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+ diag.Bytes = streamState.WindowBytes;
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+ diag.Packets = streamState.WindowPackets;
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+ diag.Tag = streamState.StreamTag;
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+ StreamDiagnostics[PID].Add(diag);
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|
+
|
|
|
+ stream.PacketSeconds += streamInterval;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ streamState.WindowPackets = 0;
|
|
|
+ streamState.WindowBytes = 0;
|
|
|
+ }
|
|
|
+
|
|
|
+ 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)
|
|
|
+ {
|
|
|
+ //Console.WriteLine("PMT Start: " + parser.PMTTemp);
|
|
|
+ try
|
|
|
+ {
|
|
|
+ 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 (streamInfoLength == 2)
|
|
|
+ {
|
|
|
+ // TODO: Cleanup
|
|
|
+ //streamInfoLength = 0;
|
|
|
+ }
|
|
|
+
|
|
|
+ Console.WriteLine(string.Format(
|
|
|
+ "Type: {0} PID: {1} Length: {2}",
|
|
|
+ streamType, streamPID, streamInfoLength));
|
|
|
+ */
|
|
|
+
|
|
|
+ if (!Streams.ContainsKey(streamPID))
|
|
|
+ {
|
|
|
+ List<TSDescriptor> streamDescriptors =
|
|
|
+ new List<TSDescriptor>();
|
|
|
+
|
|
|
+ /*
|
|
|
+ * TODO: Getting bad streamInfoLength
|
|
|
+ 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;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ catch (Exception ex)
|
|
|
+ {
|
|
|
+ // TODO
|
|
|
+ Console.WriteLine(ex.Message);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+ 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:
|
|
|
+ break;
|
|
|
+ case 6:
|
|
|
+ parser.PMTTemp = buffer[i];
|
|
|
+ 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();
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ private TSStream CreateStream(
|
|
|
+ ushort streamPID,
|
|
|
+ byte streamType,
|
|
|
+ List<TSDescriptor> streamDescriptors)
|
|
|
+ {
|
|
|
+ TSStream stream = null;
|
|
|
+
|
|
|
+ switch ((TSStreamType)streamType)
|
|
|
+ {
|
|
|
+ case TSStreamType.MVC_VIDEO:
|
|
|
+ case TSStreamType.AVC_VIDEO:
|
|
|
+ case TSStreamType.MPEG1_VIDEO:
|
|
|
+ case TSStreamType.MPEG2_VIDEO:
|
|
|
+ case TSStreamType.VC1_VIDEO:
|
|
|
+ {
|
|
|
+ stream = new TSVideoStream();
|
|
|
+ }
|
|
|
+ break;
|
|
|
+
|
|
|
+ case TSStreamType.AC3_AUDIO:
|
|
|
+ case TSStreamType.AC3_PLUS_AUDIO:
|
|
|
+ case TSStreamType.AC3_PLUS_SECONDARY_AUDIO:
|
|
|
+ case TSStreamType.AC3_TRUE_HD_AUDIO:
|
|
|
+ case TSStreamType.DTS_AUDIO:
|
|
|
+ case TSStreamType.DTS_HD_AUDIO:
|
|
|
+ case TSStreamType.DTS_HD_MASTER_AUDIO:
|
|
|
+ case TSStreamType.DTS_HD_SECONDARY_AUDIO:
|
|
|
+ case TSStreamType.LPCM_AUDIO:
|
|
|
+ case TSStreamType.MPEG1_AUDIO:
|
|
|
+ case TSStreamType.MPEG2_AUDIO:
|
|
|
+ {
|
|
|
+ stream = new TSAudioStream();
|
|
|
+ }
|
|
|
+ break;
|
|
|
+
|
|
|
+ case TSStreamType.INTERACTIVE_GRAPHICS:
|
|
|
+ case TSStreamType.PRESENTATION_GRAPHICS:
|
|
|
+ {
|
|
|
+ stream = new TSGraphicsStream();
|
|
|
+ }
|
|
|
+ break;
|
|
|
+
|
|
|
+ case TSStreamType.SUBTITLE:
|
|
|
+ {
|
|
|
+ stream = new TSTextStream();
|
|
|
+ }
|
|
|
+ break;
|
|
|
+
|
|
|
+ default:
|
|
|
+ break;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (stream != null &&
|
|
|
+ !Streams.ContainsKey(streamPID))
|
|
|
+ {
|
|
|
+ stream.PID = streamPID;
|
|
|
+ stream.StreamType = (TSStreamType)streamType;
|
|
|
+ stream.Descriptors = streamDescriptors;
|
|
|
+ Streams[stream.PID] = stream;
|
|
|
+ }
|
|
|
+ if (!StreamDiagnostics.ContainsKey(streamPID))
|
|
|
+ {
|
|
|
+ StreamDiagnostics[streamPID] =
|
|
|
+ new List<TSStreamDiagnostics>();
|
|
|
+ }
|
|
|
+
|
|
|
+ return stream;
|
|
|
+ }
|
|
|
+ }
|
|
|
+}
|