private void doAnalysis(object sender, DoWorkEventArgs e)
{
AnalysisParameters analysisParameters = e.Argument as AnalysisParameters;
pidList = null;
TunerNodeType tunerNodeType;
TuningSpec tuningSpec;
SatelliteFrequency satelliteFrequency = analysisParameters.ScanningFrequency as SatelliteFrequency;
if (satelliteFrequency != null)
{
tunerNodeType = TunerNodeType.Satellite;
tuningSpec = new TuningSpec((Satellite)satelliteFrequency.Provider, satelliteFrequency);
}
else
{
TerrestrialFrequency terrestrialFrequency = analysisParameters.ScanningFrequency as TerrestrialFrequency;
if (terrestrialFrequency != null)
{
tunerNodeType = TunerNodeType.Terrestrial;
tuningSpec = new TuningSpec(terrestrialFrequency);
}
else
{
CableFrequency cableFrequency = analysisParameters.ScanningFrequency as CableFrequency;
if (cableFrequency != null)
{
tunerNodeType = TunerNodeType.Cable;
tuningSpec = new TuningSpec(cableFrequency);
}
else
{
AtscFrequency atscFrequency = analysisParameters.ScanningFrequency as AtscFrequency;
if (atscFrequency != null)
{
if (atscFrequency.TunerType == TunerType.ATSC)
{
tunerNodeType = TunerNodeType.ATSC;
}
else
{
tunerNodeType = TunerNodeType.Cable;
}
tuningSpec = new TuningSpec(atscFrequency);
}
else
{
ClearQamFrequency clearQamFrequency = analysisParameters.ScanningFrequency as ClearQamFrequency;
if (clearQamFrequency != null)
{
tunerNodeType = TunerNodeType.Cable;
tuningSpec = new TuningSpec(clearQamFrequency);
}
else
{
ISDBSatelliteFrequency isdbSatelliteFrequency = analysisParameters.ScanningFrequency as ISDBSatelliteFrequency;
if (isdbSatelliteFrequency != null)
{
tunerNodeType = TunerNodeType.ISDBS;
tuningSpec = new TuningSpec((Satellite)satelliteFrequency.Provider, isdbSatelliteFrequency);
}
else
{
ISDBTerrestrialFrequency isdbTerrestrialFrequency = analysisParameters.ScanningFrequency as ISDBTerrestrialFrequency;
if (isdbTerrestrialFrequency != null)
{
tunerNodeType = TunerNodeType.ISDBT;
tuningSpec = new TuningSpec(isdbTerrestrialFrequency);
}
else
{
throw (new InvalidOperationException("Tuning frequency not recognized"));
}
}
}
}
}
}
}
Tuner currentTuner = null;
bool finished = false;
while (!finished)
{
if ((sender as BackgroundWorker).CancellationPending)
{
Logger.Instance.Write("Scan abandoned by user");
e.Cancel = true;
resetEvent.Set();
return;
}
BDAGraph graph = BDAGraph.FindTuner(analysisParameters.Tuners, tunerNodeType, tuningSpec, currentTuner, analysisParameters.RepeatDiseqc, analysisParameters.SwitchAfterPlay);
if (graph == null)
{
Logger.Instance.Write("<e> No tuner able to tune frequency " + analysisParameters.ScanningFrequency.ToString());
frequencySelectionControl.Invoke(new ShowMessage(showMessage), "No tuner able to tune frequency " + analysisParameters.ScanningFrequency.ToString(),
MessageBoxButtons.OK, MessageBoxIcon.Error);
finished = true;
}
else
{
string tuneReply = checkTuning(graph, analysisParameters, sender as BackgroundWorker);
if ((sender as BackgroundWorker).CancellationPending)
{
Logger.Instance.Write("Scan abandoned by user");
graph.Dispose();
e.Cancel = true;
resetEvent.Set();
return;
}
if (tuneReply == null)
{
try
{
if (analysisParameters.DumpFileName == null || analysisParameters.DumpFileName == string.Empty)
{
getData(graph, analysisParameters, sender as BackgroundWorker);
}
else
{
SimulationDataProvider dataProvider = new SimulationDataProvider(analysisParameters.DumpFileName, graph.Frequency);
string providerReply = dataProvider.Run();
if (providerReply != null)
{
Logger.Instance.Write("<e> Simulation Data Provider failed");
Logger.Instance.Write("<e> " + providerReply);
frequencySelectionControl.Invoke(new ShowMessage(showMessage), "Simulation Data Provider failed." +
Environment.NewLine + Environment.NewLine + providerReply,
MessageBoxButtons.OK, MessageBoxIcon.Error);
}
else
{
getData(dataProvider, analysisParameters, sender as BackgroundWorker);
dataProvider.Stop();
}
}
}
catch (IOException ex)
{
Logger.Instance.Write("<e> Failed to process dump file");
Logger.Instance.Write("<e> " + ex.Message);
frequencySelectionControl.Invoke(new ShowMessage(showMessage), "Failed to process dump file." +
Environment.NewLine + Environment.NewLine + ex.Message,
MessageBoxButtons.OK, MessageBoxIcon.Error);
}
graph.Dispose();
finished = true;
}
else
{
Logger.Instance.Write("Failed to tune frequency " + analysisParameters.ScanningFrequency.ToString());
graph.Dispose();
currentTuner = graph.Tuner;
}
}
}
e.Cancel = true;
resetEvent.Set();
}
private static bool tuneFrequency(TuningFrequency frequency)
{
Logger.Instance.Write("Tuning to frequency " + frequency.Frequency + " on " + frequency.TunerType);
TuningSpec tuningSpec;
TunerNodeType tunerNodeType;
int frequencyRetries = 0;
if (frequency.TunerType == TunerType.Satellite)
{
tuningSpec = new TuningSpec(Satellite.CurrentSatellite, (SatelliteFrequency)frequency);
tunerNodeType = TunerNodeType.Satellite;
}
else if (frequency.TunerType == TunerType.Terrestrial)
{
tuningSpec = new TuningSpec((TerrestrialFrequency)frequency);
tunerNodeType = TunerNodeType.Terrestrial;
}
else
{
tuningSpec = new TuningSpec((CableFrequency)frequency);
tunerNodeType = TunerNodeType.Cable;
}
bool finished = false;
while (!finished)
{
graph = BDAGraph.FindTuner(RunParameters.SelectedTuner, tunerNodeType, tuningSpec);
if (graph == null)
{
Logger.Instance.Write("Tuner not available");
return(false);
}
TimeSpan timeout = new TimeSpan();
bool done = false;
bool locked = false;
if (RunParameters.Options.Contains("NOSIGLOCK"))
{
Logger.Instance.Write("Option NOSIGLOCK: No lock check, wait 5 seconds instead");
locked = true;
Thread.Sleep(5000);
}
else
{
while (!done)
{
if (cancelGraph)
{
graph.Dispose();
return(false);
}
locked = graph.SignalLocked;
if (!locked)
{
int signalQuality = graph.SignalQuality;
if (signalQuality > 0)
{
Logger.Instance.Write("Signal not locked but signal quality > 0");
locked = true;
done = true;
}
else
{
Logger.Instance.Write("Signal not locked and signal quality not > 0");
Thread.Sleep(1000);
timeout = timeout.Add(new TimeSpan(0, 0, 1));
done = (timeout.TotalSeconds == RunParameters.LockTimeout.TotalSeconds);
}
}
else
{
done = true;
}
}
}
if (!locked)
{
Logger.Instance.Write("Failed to acquire signal");
graph.Dispose();
if (frequencyRetries == 1)
{
return(false);
}
else
{
frequencyRetries++;
Logger.Instance.Write("Retrying frequency");
}
}
else
{
finished = true;
Logger.Instance.Write("Signal acquired: lock is " + graph.SignalLocked + " quality is " + graph.SignalQuality + " strength is " + graph.SignalStrength);
}
}
return(true);
}
public void Run()
{
SatelliteDatabase satelliteDatabase = new SatelliteDatabase();
satelliteDatabase.Load();
TVDatabase tvDatabase = new TVDatabase();
tvDatabase.Load();
epgDatabase = new EPGDatabase();
epgDatabase.Load();
Collection <TuningSpec> tuningCollection = new Collection <TuningSpec>();
foreach (TVStation tvStation in tvDatabase.StationCollection)
{
TuningSpec tuningSpec = findTuningSpec(tuningCollection, tvStation);
if (tuningSpec == null)
{
TuningSpec newTuningSpec = new TuningSpec();
newTuningSpec.Satellite = tvStation.Satellite;
newTuningSpec.OriginalNetworkID = tvStation.OriginalNetworkID;
newTuningSpec.TransportStreamID = tvStation.TransportStreamID;
newTuningSpec.Frequency = tvStation.Frequency;
newTuningSpec.SymbolRate = tvStation.SymbolRate;
newTuningSpec.Tag = new EPGGraph(satelliteDatabase[tvStation.Satellite], newTuningSpec);
tuningCollection.Add(newTuningSpec);
}
}
bool end = false;
DateTime lastUpdateTime = DateTime.Now;
TimeSpan interval = new TimeSpan(0, 1, 0);
while (!end)
{
foreach (TuningSpec tuningSpec in tuningCollection)
{
EPGGraph currentGraph = tuningSpec.Tag as EPGGraph;
currentGraph.Play();
EITController eitController = new EITController();
while (!eitController.Finished && !end)
{
Collection <EITEntry> eitCollection = eitController.ProcessEITSections(currentGraph);
updateSchedule(eitCollection);
if (lastUpdateTime + interval < DateTime.Now)
{
epgDatabase.UpdateDatabase();
lastUpdateTime = DateTime.Now;
}
}
currentGraph.Stop();
}
Thread.Sleep(2000);
}
}
