/// <summary>
/// Erzeugt die Beschreibung einer Quellgruppe aus einer SI Beschreibung eines
/// NIT Eintrags.
/// </summary>
/// <param name="descriptor">Die Daten zur Quellgruppe.</param>
/// <returns>Die Quellgruppe.</returns>
private static CableGroup ToGroup(this EPG.Descriptors.CableDelivery descriptor)
{
// Create core
CableGroup group = new CableGroup
{
Frequency = descriptor.Frequency,
SpectrumInversion = SpectrumInversions.Auto,
SymbolRate = descriptor.SymbolRate * 1000,
Bandwidth = Bandwidths.NotDefined
};
// Modulation
switch (descriptor.Modulation)
{
case EPG.CableModulations.QAM16: group.Modulation = CableModulations.QAM16; break;
case EPG.CableModulations.QAM32: group.Modulation = CableModulations.QAM32; break;
case EPG.CableModulations.QAM64: group.Modulation = CableModulations.QAM64; break;
case EPG.CableModulations.QAM128: group.Modulation = CableModulations.QAM128; break;
case EPG.CableModulations.QAM256: group.Modulation = CableModulations.QAM256; break;
}
// Report
return(group);
}
/// <summary>
/// Meldet eine der Frequenzen in der natürlichen Form.
/// </summary>
/// <param name="index">Die 0-basierte laufende Nummer der gewünschten Frequenz.</param>
/// <returns>Die Frequenz in Hz.</returns>
public ulong ConvertFrequency(int index)
{
// Check mode
switch (CodingType)
{
case CodingTypes.Satellite: return(SatelliteDelivery.ConvertFrequency(Frequencies[index]));
case CodingTypes.Cable: return(CableDelivery.ConvertFrequency(Frequencies[index]));
case CodingTypes.Terrestrial: return(TerrestrialDelivery.ConvertFrequency(Frequencies[index]));
default: return(Frequencies[index]);
}
}