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Added an optional feature to procecss MPE Packets multi-threaded.
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This commit is contained in:
feyris-tan 2026-06-25 21:59:06 +02:00
parent e86a89846d
commit 0cddb3b085
1 changed files with 94 additions and 41 deletions
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55
skyscraper8/Dvb/DataBroadcasting/MultiprotocolEncapsulationDecoder.cs
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@ -17,15 +17,43 @@ namespace skyscraper5.Dvb.DataBroadcasting
class MultiprotocolEncapsulationDecoder : IPsiProcessor
{
private static readonly ILog logger = LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType.Name);
private const bool ENABLE_MULTITHREADING = false;
public IMultiprotocolEncapsulationEventHandler EventHandler { get; }
public MultiprotocolEncapsulationDecoder(IMultiprotocolEncapsulationEventHandler eventHandler)
{
EventHandler = eventHandler;
restartRequired = true;
}
public void GatherPsi(PsiSection section, int sourcePid)
{
if (!ENABLE_MULTITHREADING)
{
GatherPsiEx(section, sourcePid);
}
else
{
if (_actionQueue == null)
_actionQueue = new Queue<Action>();
lock (_actionQueue)
{
_actionQueue.Enqueue(() => { GatherPsiEx(section, sourcePid); });
}
if (restartRequired)
{
restartRequired = false;
_actionQueueThread = new Thread(SeperatedThreadFunction);
_actionQueueThread.Name = String.Format("MPE Decoder Thread for PID 0x{0:X4}", sourcePid);
_actionQueueThread.Start();
}
}
}
private void GatherPsiEx(PsiSection section, int sourcePid)
{
MemoryStream ms = new MemoryStream(section.GetDataCopy(), false);
if (ms.Length < 12)
@ -70,11 +98,36 @@ namespace skyscraper5.Dvb.DataBroadcasting
}
else
{
HandleIpDatagram(sourcePid,payload);
HandleIpDatagram(sourcePid, payload);
}
}
private Thread _actionQueueThread;
private Queue<Action> _actionQueue;
private bool restartRequired;
private void SeperatedThreadFunction()
{
while (true)
{
int remainingElements = 0;
lock (_actionQueue)
{
remainingElements = _actionQueue.Count;
}
if (remainingElements == 0)
{
break;
}
Action action = null;
lock (_actionQueue)
{
action = _actionQueue.Dequeue();
}
action();
}
restartRequired = true;
}
private bool announcedLlcTraffic;
private void HandleLlcSnap(int sourcePid, byte[] macAddress, byte[] payload)