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Dump packets from a SimminRadiomidun-styled stream.
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🚀 Pack skyscraper8 / make-zip (push) Failing after 1m19s
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This commit is contained in:
feyris-tan 2025-10-20 22:08:47 +02:00
parent 90f807343b
commit 897c5e95ca
9 changed files with 111 additions and 33 deletions
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8
skyscraper8/GS/BBframeDeencapsulator3.cs
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@ -1,15 +1,18 @@
using log4net;
using skyscraper5.Dvb.DataBroadcasting;
using skyscraper8.Skyscraper.Scraper;
namespace skyscraper8.GSE;
public class BbframeDeencapsulator3 : IBbframeDeencapsulator
{
public BbframeDeencapsulator3(IMultiprotocolEncapsulationEventHandler mpeEventHandler)
public BbframeDeencapsulator3(IMultiprotocolEncapsulationEventHandler mpeEventHandler, ISubTsHandler subTsHandler)
{
_mpeEventHandler = mpeEventHandler;
_subTsHandler = subTsHandler;
}
private readonly ISubTsHandler _subTsHandler;
private readonly IMultiprotocolEncapsulationEventHandler _mpeEventHandler;
private static readonly ILog logger = LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType.Name);
private long numPushed;
@ -37,7 +40,8 @@ public class BbframeDeencapsulator3 : IBbframeDeencapsulator
logger.InfoFormat("Found a stream on MIS {0}",bbHeader.Matype2);
mis[bbHeader.Matype2] = new GsTypeDetector(bbHeader.Matype2)
{
mpeEventHandler = this._mpeEventHandler
mpeEventHandler = this._mpeEventHandler,
subTsHandler = this._subTsHandler
};
}

19
skyscraper8/GS/GsTypeDetector.cs
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@ -3,6 +3,7 @@ using skyscraper5.Dvb.DataBroadcasting;
using skyscraper8.GS.SiminnRadiomidun;
using skyscraper8.GSE.GSE_HEM;
using skyscraper8.GSE.GSE;
using skyscraper8.Skyscraper.Scraper;
namespace skyscraper8.GSE;
@ -12,6 +13,7 @@ public class GsTypeDetector : IMisHandler
private readonly byte _misId;
private readonly ILog logger;
private HashSet<Tuple<int, byte>> _postedStreamTypes;
public ISubTsHandler subTsHandler;
public GsTypeDetector(byte misId)
{
_misId = misId;
@ -21,6 +23,8 @@ public class GsTypeDetector : IMisHandler
private GseReader gseReader;
private GseHemReader gseHemReader;
private SiminnRadiomidunReader siminnRadiomidunReader;
private int simminRadiomidunScore;
public void PushFrame(BBHeader bbHeader, ReadOnlySpan<byte> readOnlySpan)
{
if (readOnlySpan.Length == 0)
@ -53,18 +57,31 @@ public class GsTypeDetector : IMisHandler
}
if (bbHeader.TsGs == 0 && bbHeader.SyncByte == 71 && bbHeader.UserPacketLength == 188)
{
simminRadiomidunScore++;
if (simminRadiomidunScore > 10)
{
//Looks like a Simmin Radiomidun-like stream.
if (siminnRadiomidunReader == null)
{
//These behave similar to T2-MI. Interesting.
siminnRadiomidunReader = new SiminnRadiomidunReader();
siminnRadiomidunReader = new SiminnRadiomidunReader(_misId,subTsHandler);
}
siminnRadiomidunReader.PushFrame(bbHeader, readOnlySpan);
return;
}
return;
}
else
{
if (simminRadiomidunScore < 10)
{
simminRadiomidunScore = 0;
}
}
//We have no idea what this is.
Tuple<int, byte> streamTypeToPost = new Tuple<int, byte>(bbHeader.TsGs, bbHeader.SyncByte);
if (_postedStreamTypes == null)

2
skyscraper8/GS/POC/Pts2Bbf.cs
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@ -44,7 +44,7 @@ public class Pts2Bbf
FileStream fileStream = file.OpenRead();
TsContext mpeg2 = new TsContext();
mpeg2.RegisterPacketProcessor(0x010e, new Stid135BbFrameReader(null, dumper));
mpeg2.RegisterPacketProcessor(0x010e, new Stid135BbFrameReader(null, null, dumper));
DataStorage dataStorage = new InMemoryScraperStorage();
ObjectStorage objectStorage = new NullObjectStorage();
SkyscraperContext skyscraper = new SkyscraperContext(mpeg2, dataStorage, objectStorage);

2
skyscraper8/GS/POC/Stid135Test.cs
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@ -19,7 +19,7 @@ public class Stid135Test
ObjectStorage objectStorage = new FilesystemStorage(new DirectoryInfo("nip"));
SkyscraperContext skyscraper = new SkyscraperContext(mpeg2, dataStorage, objectStorage);
mpeg2.RegisterPacketProcessor(0x010e, new Stid135BbFrameReader(skyscraper));
mpeg2.RegisterPacketProcessor(0x010e, new Stid135BbFrameReader(skyscraper,skyscraper));
skyscraper.InitalizeFilterChain();
skyscraper.IngestFromStream(fileStream);

20
skyscraper8/GS/SiminnRadiomidun/SiminnRadiomidunReader.cs
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@ -7,20 +7,25 @@ using skyscraper5.Mpeg2.Descriptors;
using skyscraper5.Skyscraper.IO;
using skyscraper5.T2MI;
using skyscraper8.GSE;
using skyscraper8.Skyscraper.Scraper;
namespace skyscraper8.GS.SiminnRadiomidun
{
internal class SiminnRadiomidunReader : IMisHandler
{
public SiminnRadiomidunReader()
public SiminnRadiomidunReader(byte mis, ISubTsHandler tsOutput)
{
packetQueue = new Queue<Tuple<BBHeader,MemoryStream>>();
isInSync = false;
this.packetQueue = new Queue<Tuple<BBHeader,MemoryStream>>();
this.isInSync = false;
this.subTsKey = new SiminnRadiomidunSubTsIdentifier(mis);
this.tsOutput = tsOutput;
}
private bool isInSync;
private Queue<Tuple<BBHeader, MemoryStream>> packetQueue;
private MemoryStream currentItem;
private SiminnRadiomidunSubTsIdentifier subTsKey;
private ISubTsHandler tsOutput;
public long PacketQueueSize
{
@ -79,17 +84,10 @@ namespace skyscraper8.GS.SiminnRadiomidun
}
private ulong syncSucess, syncFail;
private FileStream dumpingFileStream;
private void OutputPacket(byte[] buffer)
{
buffer[0] = 0x47;
if (dumpingFileStream == null)
{
FileInfo fi = new FileInfo(string.Format("{0}.ts", DateTime.Now.Ticks));
dumpingFileStream = fi.OpenWrite();
}
dumpingFileStream.Write(buffer, 0, 188);
tsOutput.OnSubTsPacket(subTsKey, buffer);
}
}
}

44
skyscraper8/GS/SiminnRadiomidun/SiminnRadiomidunSubTsIdentifier.cs Normal file
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@ -0,0 +1,44 @@
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace skyscraper8.GS.SiminnRadiomidun
{
internal class SiminnRadiomidunSubTsIdentifier
{
public byte Mis { get; }
public SiminnRadiomidunSubTsIdentifier(byte misId)
{
Mis = misId;
}
protected bool Equals(SiminnRadiomidunSubTsIdentifier other)
{
return Mis == other.Mis;
}
public override bool Equals(object? obj)
{
if (ReferenceEquals(null, obj))
return false;
if (ReferenceEquals(this, obj))
return true;
if (obj.GetType() != this.GetType())
return false;
return Equals((SiminnRadiomidunSubTsIdentifier)obj);
}
public override int GetHashCode()
{
return Mis.GetHashCode();
}
public override string ToString()
{
return $"{nameof(Mis)}{Mis}";
}
}
}

5
skyscraper8/GS/Stid135BbFrameReader.cs
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@ -7,6 +7,7 @@ using System.Linq;
using System.Text;
using System.Threading.Tasks;
using skyscraper5.Dvb.DataBroadcasting;
using skyscraper8.Skyscraper.Scraper;
namespace skyscraper8.GSE
{
@ -14,10 +15,10 @@ namespace skyscraper8.GSE
{
private IBbframeDeencapsulator deencapsulator;
public Stid135BbFrameReader(IMultiprotocolEncapsulationEventHandler mpeEventHandler, IBbframeDeencapsulator deencapsulator = null)
public Stid135BbFrameReader(IMultiprotocolEncapsulationEventHandler mpeEventHandler, ISubTsHandler subTsHandler, IBbframeDeencapsulator deencapsulator = null)
{
if (deencapsulator == null)
deencapsulator = new BbframeDeencapsulator3(mpeEventHandler);
deencapsulator = new BbframeDeencapsulator3(mpeEventHandler, subTsHandler);
this.deencapsulator = deencapsulator;
}

13
skyscraper8/Skyscraper/Scraper/ISubTsHandler.cs Normal file
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@ -0,0 +1,13 @@
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace skyscraper8.Skyscraper.Scraper
{
public interface ISubTsHandler
{
public void OnSubTsPacket(object identifier, byte[] packet);
}
}

9
skyscraper8/Skyscraper/Scraper/SkyscraperContext.cs
View File

@ -97,7 +97,7 @@ namespace skyscraper5.Skyscraper.Scraper
UpdateNotificationEventHandler, DataCarouselEventHandler, RdsEventHandler, IScte35EventHandler,
IAutodetectionEventHandler, IRstEventHandler, IRntEventHandler, IMultiprotocolEncapsulationEventHandler, ObjectCarouselEventHandler, T2MIEventHandler,
IDisposable, IFrameGrabberEventHandler, IntEventHandler, IRctEventHandler, ISkyscraperContext, IDocsisEventHandler, AbertisDecoderEventHandler, Id3Handler,
InteractionChannelHandler, SgtEventHandler, IDvbNipEventHandler, UleEventHandler, OtvSsuHandler, NdsSsuHandler
InteractionChannelHandler, SgtEventHandler, IDvbNipEventHandler, UleEventHandler, OtvSsuHandler, NdsSsuHandler, ISubTsHandler
{
public const bool ALLOW_STREAM_TYPE_AUTODETECTION = true;
public const bool ALLOW_FFMPEG_FRAMEGRABBER = true;
@ -305,7 +305,7 @@ namespace skyscraper5.Skyscraper.Scraper
{
if (!DvbContext.IsPidProcessorPresent(0x010e))
{
DvbContext.RegisterPacketProcessor(0x010e, new Stid135BbFrameReader(this));
DvbContext.RegisterPacketProcessor(0x010e, new Stid135BbFrameReader(this, this));
UiJunction?.SetGseMode();
LogEvent(SkyscraperContextEvent.SpecialTsMode, "STiD135 encapsulated GS detected.");
SpecialTsType = 3;
@ -360,7 +360,7 @@ namespace skyscraper5.Skyscraper.Scraper
{
if (!DvbContext.IsPidProcessorPresent(0x010e))
{
DvbContext.RegisterPacketProcessor(0x010e, new Stid135BbFrameReader(this));
DvbContext.RegisterPacketProcessor(0x010e, new Stid135BbFrameReader(this, this));
UiJunction?.SetGseMode();
LogEvent(SkyscraperContextEvent.SpecialTsMode, "STiD135 encapsulated GS detected.");
SpecialTsType = 3;
@ -1934,12 +1934,13 @@ namespace skyscraper5.Skyscraper.Scraper
string filename = String.Format("{0}_{1}.ts", child.ChildName.SanitizeFileName(), child.ChildTimestamp);
FileInfo fi = new FileInfo(filename);
TsRecorder packetDumper = new TsRecorder();
packetDumper.RecordingOutputDirectory = new DirectoryInfo(".");
packetDumper.SetNextFilename(filename);
packetDumper.CreateBufferedStream();
packetFilters.Add(packetDumper);
}
child.InitalizeFilterChain();
child.InitalizeFilterChain(packetFilters.ToArray());
subSkyscrapers.Add(identifier, child);
}