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();
}
/// <summary>
/// Initialize a new instance of the TuningSpec class for a ISDB errestrial frequency.
/// </summary>
/// <param name="frequency">The terrestrial frequency to tune to.</param>
public TuningSpec(ISDBTerrestrialFrequency frequency)
{
this.frequency = frequency;
bandwidth = frequency.Bandwidth;
}
