/// <summary>
/// Wählt eine Quellgruppe an.
/// </summary>
/// <param name="group">Die Daten zur Quellgruppe.</param>
/// <returns>Gesetzt, wenn es sich um eine DVB-T Quellgruppe handelt.</returns>
private bool SendChannel(TerrestrialGroup group)
{
// Not us
if (group == null)
{
return(false);
}
// Validate
if (FrontendType != FrontendType.Terrestrial)
{
throw new DVBException("Expected " + FrontendType.ToString() + " Channel");
}
// Helper
var channel =
new Channel_T
{
Frequency = group.Frequency,
Inversion = SpectrumInversion.Off,
Scan = false,
};
// Check supported modes
switch (group.Bandwidth)
{
case Bandwidths.Six: channel.Bandwidth = BandwidthType.Six; break;
case Bandwidths.Seven: channel.Bandwidth = BandwidthType.Seven; break;
case Bandwidths.Eight: channel.Bandwidth = BandwidthType.Eight; break;
case Bandwidths.NotDefined: channel.Bandwidth = BandwidthType.None; break;
default: channel.Bandwidth = BandwidthType.Auto; break;
}
// Process
CheckChannel(CDVBFrontend_SetChannel(m_Class.ClassPointer, channel, false));
// Check up for synchronisation
Channel_T rVal1, rVal2;
// Get channel twice
CheckChannel(CDVBFrontend_GetChannel(m_Class.ClassPointer, out rVal1));
CheckChannel(CDVBFrontend_GetChannel(m_Class.ClassPointer, out rVal2));
// Did it
return(true);
}
/// <summary>
/// Wählt eine Quellgruppe an.
/// </summary>
/// <param name="group">Die Daten zur Quellgruppe.</param>
/// <returns>Gesetzt, wenn es sich um eine DVB-T Quellgruppe handelt.</returns>
private Channel_T?Tune(TerrestrialGroup group)
{
// Not us
if (group == null)
{
return(null);
}
// Validate
if (FrontendType != FrontendType.Terrestrial)
{
throw new DVBException("Expected " + FrontendType.ToString() + " Channel");
}
// Helper
var data =
new Channel_T
{
Frequency = group.Frequency,
Inversion = SpectrumInversion.Off,
Scan = false,
};
// Check supported modes
switch (group.Bandwidth)
{
case Bandwidths.Six: data.Bandwidth = BandwidthType.Six; break;
case Bandwidths.Seven: data.Bandwidth = BandwidthType.Seven; break;
case Bandwidths.Eight: data.Bandwidth = BandwidthType.Eight; break;
case Bandwidths.NotDefined: data.Bandwidth = BandwidthType.None; break;
default: data.Bandwidth = BandwidthType.Auto; break;
}
// Process
return(data.SetChannel(this));
}
/// <summary>
/// Erzeugt eine neue Auswahlinstanz.
/// </summary>
/// <param name="source">Die zu betrachtende Quelle.</param>
public TerrestrialGroupSelector( SourceSelection source )
{
// Remember
m_Group = (TerrestrialGroup) source.Group;
}
/// <summary>
/// Erzeugt eine neue Auswahlinstanz.
/// </summary>
/// <param name="source">Die zu betrachtende Quelle.</param>
public TerrestrialGroupSelector(SourceSelection source)
{
// Remember
m_Group = (TerrestrialGroup)source.Group;
}
