1552 lines
71 KiB
C#
1552 lines
71 KiB
C#
|
//============================================================================
|
|||
|
|
// BDInfo - Blu-ray Video and Audio Analysis Tool
|
|||
|
|
// Copyright © 2010 Cinema Squid
|
|||
|
|
//
|
|||
|
|
// This library is free software; you can redistribute it and/or
|
|||
|
|
// modify it under the terms of the GNU Lesser General Public
|
|||
|
|
// License as published by the Free Software Foundation; either
|
|||
|
|
// version 2.1 of the License, or (at your option) any later version.
|
|||
|
|
//
|
|||
|
|
// This library is distributed in the hope that it will be useful,
|
|||
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|||
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|||
|
|
// Lesser General Public License for more details.
|
|||
|
|
//
|
|||
|
|
// You should have received a copy of the GNU Lesser General Public
|
|||
|
|
// License along with this library; if not, write to the Free Software
|
|||
|
|
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|||
|
|
//=============================================================================
|
|||
|
|
|
|||
|
|
#undef DEBUG
|
|||
|
|
using System;
|
|||
|
|
using System.Collections.Generic;
|
|||
|
|
using System.Diagnostics;
|
|||
|
|
using System.IO;
|
|||
|
|
using System.Text;
|
|||
|
|
|
|||
|
|
namespace BDInfo
|
|||
|
|
{
|
|||
|
|
public class TSStreamState
|
|||
|
|
{
|
|||
|
|
public ulong TransferCount = 0;
|
|||
|
|
|
|||
|
|
public string StreamTag = null;
|
|||
|
|
|
|||
|
|
public ulong TotalPackets = 0;
|
|||
|
|
public ulong WindowPackets = 0;
|
|||
|
|
|
|||
|
|
public ulong TotalBytes = 0;
|
|||
|
|
public ulong WindowBytes = 0;
|
|||
|
|
|
|||
|
|
public long PeakTransferLength = 0;
|
|||
|
|
public long PeakTransferRate = 0;
|
|||
|
|
|
|||
|
|
public double TransferMarker = 0;
|
|||
|
|
public double TransferInterval = 0;
|
|||
|
|
|
|||
|
|
public TSStreamBuffer StreamBuffer = new TSStreamBuffer();
|
|||
|
|
|
|||
|
|
public uint Parse = 0;
|
|||
|
|
public bool TransferState = false;
|
|||
|
|
public int TransferLength = 0;
|
|||
|
|
public int PacketLength = 0;
|
|||
|
|
public byte PacketLengthParse = 0;
|
|||
|
|
public byte PacketParse = 0;
|
|||
|
|
|
|||
|
|
public byte PTSParse = 0;
|
|||
|
|
public ulong PTS = 0;
|
|||
|
|
public ulong PTSTemp = 0;
|
|||
|
|
public ulong PTSLast = 0;
|
|||
|
|
public ulong PTSPrev = 0;
|
|||
|
|
public ulong PTSDiff = 0;
|
|||
|
|
public ulong PTSCount = 0;
|
|||
|
|
public ulong PTSTransfer = 0;
|
|||
|
|
|
|||
|
|
public byte DTSParse = 0;
|
|||
|
|
public ulong DTSTemp = 0;
|
|||
|
|
public ulong DTSPrev = 0;
|
|||
|
|
|
|||
|
|
public byte PESHeaderLength = 0;
|
|||
|
|
public byte PESHeaderFlags = 0;
|
|||
|
|
#if DEBUG
|
|||
|
|
public byte PESHeaderIndex = 0;
|
|||
|
|
public byte[] PESHeader = new byte[256 + 9];
|
|||
|
|
#endif
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public class TSPacketParser
|
|||
|
|
{
|
|||
|
|
public bool SyncState = false;
|
|||
|
|
public byte TimeCodeParse = 4;
|
|||
|
|
public byte PacketLength = 0;
|
|||
|
|
public byte HeaderParse = 0;
|
|||
|
|
|
|||
|
|
public uint TimeCode;
|
|||
|
|
public byte TransportErrorIndicator;
|
|||
|
|
public byte PayloadUnitStartIndicator;
|
|||
|
|
public byte TransportPriority;
|
|||
|
|
public ushort PID;
|
|||
|
|
public byte TransportScramblingControl;
|
|||
|
|
public byte AdaptionFieldControl;
|
|||
|
|
|
|||
|
|
public bool AdaptionFieldState = false;
|
|||
|
|
public byte AdaptionFieldParse = 0;
|
|||
|
|
public byte AdaptionFieldLength = 0;
|
|||
|
|
|
|||
|
|
public ushort PCRPID = 0xFFFF;
|
|||
|
|
public byte PCRParse = 0;
|
|||
|
|
public ulong PreviousPCR = 0;
|
|||
|
|
public ulong PCR = 0;
|
|||
|
|
public ulong PCRCount = 0;
|
|||
|
|
public ulong PTSFirst = ulong.MaxValue;
|
|||
|
|
public ulong PTSLast = ulong.MinValue;
|
|||
|
|
public ulong PTSDiff = 0;
|
|||
|
|
|
|||
|
|
public byte[] PAT = new byte[1024];
|
|||
|
|
public bool PATSectionStart = false;
|
|||
|
|
public byte PATPointerField = 0;
|
|||
|
|
public uint PATOffset = 0;
|
|||
|
|
public byte PATSectionLengthParse = 0;
|
|||
|
|
public ushort PATSectionLength = 0;
|
|||
|
|
public uint PATSectionParse = 0;
|
|||
|
|
public bool PATTransferState = false;
|
|||
|
|
public byte PATSectionNumber = 0;
|
|||
|
|
public byte PATLastSectionNumber = 0;
|
|||
|
|
|
|||
|
|
public ushort TransportStreamId = 0xFFFF;
|
|||
|
|
|
|||
|
|
public List<TSDescriptor> PMTProgramDescriptors = new List<TSDescriptor>();
|
|||
|
|
public ushort PMTPID = 0xFFFF;
|
|||
|
|
public Dictionary<ushort, byte[]> PMT = new Dictionary<ushort, byte[]>();
|
|||
|
|
public bool PMTSectionStart = false;
|
|||
|
|
public ushort PMTProgramInfoLength = 0;
|
|||
|
|
public byte PMTProgramDescriptor = 0;
|
|||
|
|
public byte PMTProgramDescriptorLengthParse = 0;
|
|||
|
|
public byte PMTProgramDescriptorLength = 0;
|
|||
|
|
public ushort PMTStreamInfoLength = 0;
|
|||
|
|
public uint PMTStreamDescriptorLengthParse = 0;
|
|||
|
|
public uint PMTStreamDescriptorLength = 0;
|
|||
|
|
public byte PMTPointerField = 0;
|
|||
|
|
public uint PMTOffset = 0;
|
|||
|
|
public uint PMTSectionLengthParse = 0;
|
|||
|
|
public ushort PMTSectionLength = 0;
|
|||
|
|
public uint PMTSectionParse = 0;
|
|||
|
|
public bool PMTTransferState = false;
|
|||
|
|
public byte PMTSectionNumber = 0;
|
|||
|
|
public byte PMTLastSectionNumber = 0;
|
|||
|
|
|
|||
|
|
public byte PMTTemp = 0;
|
|||
|
|
|
|||
|
|
public TSStream Stream = null;
|
|||
|
|
public TSStreamState StreamState = null;
|
|||
|
|
|
|||
|
|
public ulong TotalPackets = 0;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public class TSStreamDiagnostics
|
|||
|
|
{
|
|||
|
|
public ulong Bytes = 0;
|
|||
|
|
public ulong Packets = 0;
|
|||
|
|
public double Marker = 0;
|
|||
|
|
public double Interval = 0;
|
|||
|
|
public string Tag = null;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public class TSStreamFile
|
|||
|
|
{
|
|||
|
|
public FileInfo FileInfo = null;
|
|||
|
|
public string Name = null;
|
|||
|
|
public long Size = 0;
|
|||
|
|
public double Length = 0;
|
|||
|
|
|
|||
|
|
public TSInterleavedFile InterleavedFile = null;
|
|||
|
|
|
|||
|
|
private Dictionary<ushort, TSStreamState> StreamStates =
|
|||
|
|
new Dictionary<ushort, TSStreamState>();
|
|||
|
|
|
|||
|
|
public Dictionary<ushort, TSStream> Streams =
|
|||
|
|
new Dictionary<ushort, TSStream>();
|
|||
|
|
|
|||
|
|
public Dictionary<ushort, List<TSStreamDiagnostics>> StreamDiagnostics =
|
|||
|
|
new Dictionary<ushort, List<TSStreamDiagnostics>>();
|
|||
|
|
|
|||
|
|
private List<TSPlaylistFile> Playlists = null;
|
|||
|
|
|
|||
|
|
public TSStreamFile(FileInfo fileInfo)
|
|||
|
|
{
|
|||
|
|
FileInfo = fileInfo;
|
|||
|
|
Name = fileInfo.Name.ToUpper();
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public string DisplayName
|
|||
|
|
{
|
|||
|
|
get
|
|||
|
|
{
|
|||
|
|
if (BDInfoSettings.EnableSSIF &&
|
|||
|
|
InterleavedFile != null)
|
|||
|
|
{
|
|||
|
|
return InterleavedFile.Name;
|
|||
|
|
}
|
|||
|
|
return Name;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
private bool ScanStream(
|
|||
|
|
TSStream stream,
|
|||
|
|
TSStreamState streamState,
|
|||
|
|
TSStreamBuffer buffer)
|
|||
|
|
{
|
|||
|
|
streamState.StreamTag = null;
|
|||
|
|
|
|||
|
|
long bitrate = 0;
|
|||
|
|
if (stream.IsAudioStream &&
|
|||
|
|
streamState.PTSTransfer > 0)
|
|||
|
|
{
|
|||
|
|
bitrate = (long)Math.Round(
|
|||
|
|
(buffer.TransferLength * 8.0) /
|
|||
|
|
((double)streamState.PTSTransfer / 90000));
|
|||
|
|
|
|||
|
|
if (bitrate > streamState.PeakTransferRate)
|
|||
|
|
{
|
|||
|
|
streamState.PeakTransferRate = bitrate;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
if (buffer.TransferLength > streamState.PeakTransferLength)
|
|||
|
|
{
|
|||
|
|
streamState.PeakTransferLength = buffer.TransferLength;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
buffer.BeginRead();
|
|||
|
|
switch (stream.StreamType)
|
|||
|
|
{
|
|||
|
|
case TSStreamType.MPEG2_VIDEO:
|
|||
|
|
TSCodecMPEG2.Scan(
|
|||
|
|
(TSVideoStream)stream, buffer, ref streamState.StreamTag);
|
|||
|
|
break;
|
|||
|
|
|
|||
|
|
case TSStreamType.AVC_VIDEO:
|
|||
|
|
TSCodecAVC.Scan(
|
|||
|
|
(TSVideoStream)stream, buffer, ref streamState.StreamTag);
|
|||
|
|
break;
|
|||
|
|
|
|||
|
|
case TSStreamType.MVC_VIDEO:
|
|||
|
|
TSCodecMVC.Scan(
|
|||
|
|
(TSVideoStream)stream, buffer, ref streamState.StreamTag);
|
|||
|
|
break;
|
|||
|
|
|
|||
|
|
case TSStreamType.VC1_VIDEO:
|
|||
|
|
TSCodecVC1.Scan(
|
|||
|
|
(TSVideoStream)stream, buffer, ref streamState.StreamTag);
|
|||
|
|
break;
|
|||
|
|
|
|||
|
|
case TSStreamType.AC3_AUDIO:
|
|||
|
|
TSCodecAC3.Scan(
|
|||
|
|
(TSAudioStream)stream, buffer, ref streamState.StreamTag);
|
|||
|
|
break;
|
|||
|
|
|
|||
|
|
case TSStreamType.AC3_PLUS_AUDIO:
|
|||
|
|
case TSStreamType.AC3_PLUS_SECONDARY_AUDIO:
|
|||
|
|
TSCodecAC3.Scan(
|
|||
|
|
(TSAudioStream)stream, buffer, ref streamState.StreamTag);
|
|||
|
|
break;
|
|||
|
|
|
|||
|
|
case TSStreamType.AC3_TRUE_HD_AUDIO:
|
|||
|
|
TSCodecTrueHD.Scan(
|
|||
|
|
(TSAudioStream)stream, buffer, ref streamState.StreamTag);
|
|||
|
|
break;
|
|||
|
|
|
|||
|
|
case TSStreamType.LPCM_AUDIO:
|
|||
|
|
TSCodecLPCM.Scan(
|
|||
|
|
(TSAudioStream)stream, buffer, ref streamState.StreamTag);
|
|||
|
|
break;
|
|||
|
|
|
|||
|
|
case TSStreamType.DTS_AUDIO:
|
|||
|
|
TSCodecDTS.Scan(
|
|||
|
|
(TSAudioStream)stream, buffer, bitrate, ref streamState.StreamTag);
|
|||
|
|
break;
|
|||
|
|
|
|||
|
|
case TSStreamType.DTS_HD_AUDIO:
|
|||
|
|
case TSStreamType.DTS_HD_MASTER_AUDIO:
|
|||
|
|
case TSStreamType.DTS_HD_SECONDARY_AUDIO:
|
|||
|
|
TSCodecDTSHD.Scan(
|
|||
|
|
(TSAudioStream)stream, buffer, bitrate, ref streamState.StreamTag);
|
|||
|
|
break;
|
|||
|
|
|
|||
|
|
default:
|
|||
|
|
stream.IsInitialized = true;
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
buffer.EndRead();
|
|||
|
|
streamState.StreamBuffer.Reset();
|
|||
|
|
|
|||
|
|
bool isAVC = false;
|
|||
|
|
bool isMVC = false;
|
|||
|
|
foreach (TSStream finishedStream in Streams.Values)
|
|||
|
|
{
|
|||
|
|
if (!finishedStream.IsInitialized)
|
|||
|
|
{
|
|||
|
|
return false;
|
|||
|
|
}
|
|||
|
|
if (finishedStream.StreamType == TSStreamType.AVC_VIDEO)
|
|||
|
|
{
|
|||
|
|
isAVC = true;
|
|||
|
|
}
|
|||
|
|
if (finishedStream.StreamType == TSStreamType.MVC_VIDEO)
|
|||
|
|
{
|
|||
|
|
isMVC = true;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
if (isMVC && !isAVC)
|
|||
|
|
{
|
|||
|
|
return false;
|
|||
|
|
}
|
|||
|
|
return true;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
private void UpdateStreamBitrates(
|
|||
|
|
ushort PTSPID,
|
|||
|
|
ulong PTS,
|
|||
|
|
ulong PTSDiff)
|
|||
|
|
{
|
|||
|
|
if (Playlists == null) return;
|
|||
|
|
|
|||
|
|
foreach (ushort PID in StreamStates.Keys)
|
|||
|
|
{
|
|||
|
|
if (Streams.ContainsKey(PID) &&
|
|||
|
|
Streams[PID].IsVideoStream &&
|
|||
|
|
PID != PTSPID)
|
|||
|
|
{
|
|||
|
|
continue;
|
|||
|
|
}
|
|||
|
|
if (StreamStates[PID].WindowPackets == 0)
|
|||
|
|
{
|
|||
|
|
continue;
|
|||
|
|
}
|
|||
|
|
UpdateStreamBitrate(PID, PTSPID, PTS, PTSDiff);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
foreach (TSPlaylistFile playlist in Playlists)
|
|||
|
|
{
|
|||
|
|
double packetSeconds = 0;
|
|||
|
|
foreach (TSStreamClip clip in playlist.StreamClips)
|
|||
|
|
{
|
|||
|
|
if (clip.AngleIndex == 0)
|
|||
|
|
{
|
|||
|
|
packetSeconds += clip.PacketSeconds;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
if (packetSeconds > 0)
|
|||
|
|
{
|
|||
|
|
foreach (TSStream playlistStream in playlist.SortedStreams)
|
|||
|
|
{
|
|||
|
|
if (playlistStream.IsVBR)
|
|||
|
|
{
|
|||
|
|
playlistStream.BitRate = (long)Math.Round(
|
|||
|
|
((playlistStream.PayloadBytes * 8.0) / packetSeconds));
|
|||
|
|
|
|||
|
|
if (playlistStream.StreamType == TSStreamType.AC3_TRUE_HD_AUDIO &&
|
|||
|
|
((TSAudioStream)playlistStream).CoreStream != null)
|
|||
|
|
{
|
|||
|
|
playlistStream.BitRate -=
|
|||
|
|
((TSAudioStream)playlistStream).CoreStream.BitRate;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
private void UpdateStreamBitrate(
|
|||
|
|
ushort PID,
|
|||
|
|
ushort PTSPID,
|
|||
|
|
ulong PTS,
|
|||
|
|
ulong PTSDiff)
|
|||
|
|
{
|
|||
|
|
if (Playlists == null) return;
|
|||
|
|
|
|||
|
|
TSStreamState streamState = StreamStates[PID];
|
|||
|
|
double streamTime = (double)PTS / 90000;
|
|||
|
|
double streamInterval = (double)PTSDiff / 90000;
|
|||
|
|
double streamOffset = streamTime + streamInterval;
|
|||
|
|
|
|||
|
|
foreach (TSPlaylistFile playlist in Playlists)
|
|||
|
|
{
|
|||
|
|
foreach (TSStreamClip clip in playlist.StreamClips)
|
|||
|
|
{
|
|||
|
|
if (clip.Name != this.Name) continue;
|
|||
|
|
|
|||
|
|
if (streamTime == 0 ||
|
|||
|
|
(streamTime >= clip.TimeIn &&
|
|||
|
|
streamTime <= clip.TimeOut))
|
|||
|
|
{
|
|||
|
|
clip.PayloadBytes += streamState.WindowBytes;
|
|||
|
|
clip.PacketCount += streamState.WindowPackets;
|
|||
|
|
|
|||
|
|
if (streamOffset > clip.TimeIn &&
|
|||
|
|
streamOffset - clip.TimeIn > clip.PacketSeconds)
|
|||
|
|
{
|
|||
|
|
clip.PacketSeconds = streamOffset - clip.TimeIn;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
Dictionary<ushort, TSStream> playlistStreams = playlist.Streams;
|
|||
|
|
if (clip.AngleIndex > 0 &&
|
|||
|
|
clip.AngleIndex < playlist.AngleStreams.Count + 1)
|
|||
|
|
{
|
|||
|
|
playlistStreams = playlist.AngleStreams[clip.AngleIndex - 1];
|
|||
|
|
}
|
|||
|
|
if (playlistStreams.ContainsKey(PID))
|
|||
|
|
{
|
|||
|
|
TSStream stream = playlistStreams[PID];
|
|||
|
|
|
|||
|
|
stream.PayloadBytes += streamState.WindowBytes;
|
|||
|
|
stream.PacketCount += streamState.WindowPackets;
|
|||
|
|
|
|||
|
|
if (stream.IsVideoStream)
|
|||
|
|
{
|
|||
|
|
stream.PacketSeconds += streamInterval;
|
|||
|
|
|
|||
|
|
stream.ActiveBitRate = (long)Math.Round(
|
|||
|
|
((stream.PayloadBytes * 8.0) /
|
|||
|
|
stream.PacketSeconds));
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (stream.StreamType == TSStreamType.AC3_TRUE_HD_AUDIO &&
|
|||
|
|
((TSAudioStream)stream).CoreStream != null)
|
|||
|
|
{
|
|||
|
|
stream.ActiveBitRate -=
|
|||
|
|
((TSAudioStream)stream).CoreStream.BitRate;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (Streams.ContainsKey(PID))
|
|||
|
|
{
|
|||
|
|
TSStream stream = Streams[PID];
|
|||
|
|
stream.PayloadBytes += streamState.WindowBytes;
|
|||
|
|
stream.PacketCount += streamState.WindowPackets;
|
|||
|
|
|
|||
|
|
if (stream.IsVideoStream)
|
|||
|
|
{
|
|||
|
|
TSStreamDiagnostics diag = new TSStreamDiagnostics();
|
|||
|
|
diag.Marker = (double)PTS / 90000;
|
|||
|
|
diag.Interval = (double)PTSDiff / 90000;
|
|||
|
|
diag.Bytes = streamState.WindowBytes;
|
|||
|
|
diag.Packets = streamState.WindowPackets;
|
|||
|
|
diag.Tag = streamState.StreamTag;
|
|||
|
|
StreamDiagnostics[PID].Add(diag);
|
|||
|
|
|
|||
|
|
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;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|