private void TestFEC()
{
int hr = 0;
FECMethod fecMethod2, fecMethod1 = FECMethod.Viterbi;
BinaryConvolutionCodeRate fecRate2, fecRate1 = BinaryConvolutionCodeRate.Rate2_3;
hr = digitalDemux.put_InnerFECMethod(ref fecMethod1);
//DsError.ThrowExceptionForHR(hr);
hr = digitalDemux.get_InnerFECMethod(out fecMethod2);
//DsError.ThrowExceptionForHR(hr);
hr = digitalDemux.put_InnerFECRate(ref fecRate1);
//DsError.ThrowExceptionForHR(hr);
hr = digitalDemux.get_InnerFECRate(out fecRate2);
//DsError.ThrowExceptionForHR(hr);
hr = digitalDemux.put_OuterFECMethod(ref fecMethod1);
//DsError.ThrowExceptionForHR(hr);
hr = digitalDemux.get_OuterFECMethod(out fecMethod2);
//DsError.ThrowExceptionForHR(hr);
hr = digitalDemux.put_OuterFECRate(ref fecRate1);
//DsError.ThrowExceptionForHR(hr);
hr = digitalDemux.get_OuterFECRate(out fecRate2);
//DsError.ThrowExceptionForHR(hr);
}
internal override bool SetDVBS2Parameters(TuningSpec tuningSpec, IBaseFilter tunerFilter, ITuneRequest tuneRequest)
{
if (!dvbs2Capable)
{
return(true);
}
IBDA_DigitalDemodulator demodulator = FindDemodulator("DigitalEverywhere", tunerFilter);
if (demodulator == null)
{
Logger.Instance.Write("DigitalEverywhere DVB-S2 handler: Demodulator not located");
return(false);
}
ModulationType modulationType = ModulationType.ModNotSet;
switch (tuningSpec.Modulation)
{
case Modulation.QPSK:
modulationType = ModulationType.ModNbcQpsk;
break;
case Modulation.PSK8:
modulationType = ModulationType.ModNbc8Psk;
break;
default:
break;
}
if (modulationType != ModulationType.ModNotSet)
{
reply = demodulator.put_ModulationType(ref modulationType);
if (reply != 0)
{
Logger.Instance.Write("DigitalEverywhere DVB-S2 handler: Set Modulation Type failed error code 0x" + reply.ToString("X"));
return(false);
}
else
{
Logger.Instance.Write("DigitalEverywhere DVB-S2 handler: Modulation type changed to " + modulationType);
}
}
else
{
Logger.Instance.Write("DigitalEverywhere DVB-S2 handler: Modulation type not changed");
}
BinaryConvolutionCodeRate oldCodeRate;
reply = demodulator.get_InnerFECRate(out oldCodeRate);
if (reply != 0)
{
Logger.Instance.Write("DigitalEverywhere DVB-S2 handler: Get FEC Rate failed error code 0x" + reply.ToString("X"));
return(false);
}
SatelliteFrequency satelliteFrequency = tuningSpec.Frequency as SatelliteFrequency;
BinaryConvolutionCodeRate newCodeRate = oldCodeRate;
if (satelliteFrequency.Pilot == DomainObjects.Pilot.Off)
{
newCodeRate += 64;
}
else
{
if (satelliteFrequency.Pilot == DomainObjects.Pilot.On)
{
newCodeRate += 128;
}
}
switch (satelliteFrequency.RollOff)
{
case DomainObjects.RollOff.RollOff20:
newCodeRate += 16;
break;
case DomainObjects.RollOff.RollOff25:
newCodeRate += 32;
break;
case DomainObjects.RollOff.RollOff35:
newCodeRate += 48;
break;
default:
break;
}
if (oldCodeRate != newCodeRate)
{
reply = demodulator.put_InnerFECRate(newCodeRate);
if (reply != 0)
{
Logger.Instance.Write("DigitalEverywhere DVB-S2 handler: Set FEC Rate failed error code 0x" + reply.ToString("X"));
return(false);
}
Logger.Instance.Write("DigitalEverywhere DVB-S2 handler: FEC Rate changed from " + oldCodeRate + " to " + newCodeRate);
}
return(true);
}
internal override bool SetDVBS2Parameters(TuningSpec tuningSpec, IBaseFilter tunerFilter, ITuneRequest tuneRequest)
{
if (!dvbs2Capable)
{
return(true);
}
IBDA_DigitalDemodulator demodulator = FindDemodulator("Hauppauge", tunerFilter);
if (demodulator == null)
{
Logger.Instance.Write("Hauppauge DVB-S2 handler: Demodulator not located");
return(false);
}
ModulationType modulationType = ModulationType.ModNotSet;
switch (tuningSpec.Modulation)
{
case Modulation.QPSK:
BinaryConvolutionCodeRate codeRate;
reply = demodulator.get_InnerFECRate(out codeRate);
if (reply != 0)
{
Logger.Instance.Write("Hauppauge DVB-S2 handler: Get FEC rate failed error code 0x" + reply.ToString("X"));
return(false);
}
if (codeRate == BinaryConvolutionCodeRate.Rate9_10)
{
modulationType = ModulationType.Mod32Qam;
}
else
{
if (codeRate == BinaryConvolutionCodeRate.Rate8_9)
{
modulationType = ModulationType.Mod16Qam;
}
else
{
modulationType = ModulationType.ModBpsk;
}
}
break;
case Modulation.PSK8:
modulationType = ModulationType.ModNbc8Psk;
break;
default:
break;
}
if (modulationType != ModulationType.ModNotSet)
{
reply = demodulator.put_ModulationType(ref modulationType);
if (reply != 0)
{
Logger.Instance.Write("Hauppauge DVB-S2 handler: Set Modulation Type failed error code 0x" + reply.ToString("X"));
return(false);
}
else
{
Logger.Instance.Write("Hauppauge DVB-S2 handler: Modulation type changed to " + modulationType);
}
}
else
{
Logger.Instance.Write("Hauppauge DVB-S2 handler: Modulation type not changed");
}
IntPtr commandBuffer = Marshal.AllocCoTaskMem(1024);
IntPtr instanceBuffer = Marshal.AllocCoTaskMem(1024);
SatelliteFrequency frequency = tuningSpec.Frequency as SatelliteFrequency;
string setting;
if (frequency.SymbolRate != 30000)
{
Marshal.WriteInt32(commandBuffer, (int)DsUtils.GetNativePilot(frequency.Pilot));
setting = frequency.Pilot.ToString();
}
else
{
Logger.Instance.Write("Hauppauge DVB-S2 handler: Setting pilot to off for symbol rate of 30000");
Marshal.WriteInt32(commandBuffer, (int)DirectShowAPI.Pilot.Off);
setting = "Off";
}
reply = propertySet.Set(bdaTunerExtensionProperties, (int)BdaTunerExtension.KSPROPERTY_BDA_PILOT, instanceBuffer, 32, commandBuffer, 4);
if (reply != 0)
{
Logger.Instance.Write("Hauppauge DVB-S2 handler: Set Pilot command failed error code 0x" + reply.ToString("X"));
return(false);
}
else
{
Logger.Instance.Write("Hauppauge DVB-S2 handler: Pilot set to " + setting);
Marshal.WriteInt32(commandBuffer, (int)DsUtils.GetNativeRollOff(frequency.RollOff));
reply = propertySet.Set(bdaTunerExtensionProperties, (int)BdaTunerExtension.KSPROPERTY_BDA_ROLL_OFF, instanceBuffer, 32, commandBuffer, 4);
if (reply != 0)
{
Logger.Instance.Write("Hauppauge DVB-S2 handler: Set Rolloff command failed error code 0x" + reply.ToString("X"));
return(false);
}
else
{
Logger.Instance.Write("Hauppauge DVB-S2 handler: Rolloff set to " + frequency.RollOff);
}
}
return(true);
}