private void TestSignalPolarisation()
{
int hr = 0;
Polarisation pol;
hr = locator.put_SignalPolarisation(Polarisation.LinearH);
DsError.ThrowExceptionForHR(hr);
hr = locator.get_SignalPolarisation(out pol);
DsError.ThrowExceptionForHR(hr);
Debug.Assert(pol == Polarisation.LinearH, "IDVBSLocator.get_SignalPolarisation / put_SignalPolarisation");
}
private bool BeforeTune(ref int subChannelId, IChannel channel)
{
DVBSChannel dvbsChannel = channel as DVBSChannel;
if (dvbsChannel == null)
{
Log.Log.WriteFile("Channel is not a DVBS channel!!! {0}", channel.GetType().ToString());
return(false);
}
/*if (CurrentChannel != null)
* {
* //@FIX this fails for back-2-back recordings
* //if (oldChannel.Equals(channel)) return _mapSubChannels[0];
* }*/
if (dvbsChannel.SwitchingFrequency < 10)
{
dvbsChannel.SwitchingFrequency = 11700000;
}
Log.Log.WriteFile("dvbs: Tune:{0}", channel);
if (_graphState == GraphState.Idle)
{
BuildGraph();
}
if (_mapSubChannels.ContainsKey(subChannelId) == false)
{
subChannelId = GetNewSubChannel(channel);
}
if (useInternalNetworkProvider)
{
//set the DisEqC parameters
if (_conditionalAccess != null)
{
//int hr2 = ((IMediaControl)_graphBuilder).Pause();
_diseqCsucceded = _conditionalAccess.SendDiseqcCommand(_parameters, dvbsChannel);
//hr2 = ((IMediaControl)_graphBuilder).Run();
//move diseqc motor to correct satellite
if (dvbsChannel != null && dvbsChannel.SatelliteIndex > 0 && _conditionalAccess.DiSEqCMotor != null)
{
_conditionalAccess.DiSEqCMotor.GotoPosition((byte)dvbsChannel.SatelliteIndex);
}
}
return(true);
}
if (_previousChannel == null || _previousChannel.IsDifferentTransponder(dvbsChannel))
{
//_pmtPid = -1;
ILocator locator;
int lowOsc;
int hiOsc;
int lnbSwitch;
BandTypeConverter.GetDefaultLnbSetup(Parameters, dvbsChannel.BandType, out lowOsc, out hiOsc, out lnbSwitch);
Log.Log.Info("LNB low:{0} hi:{1} switch:{2}", lowOsc, hiOsc, lnbSwitch);
if (lnbSwitch == 0)
{
lnbSwitch = 18000;
}
IDVBSTuningSpace tuningSpace = (IDVBSTuningSpace)_tuningSpace;
tuningSpace.put_LNBSwitch(lnbSwitch * 1000);
tuningSpace.put_LowOscillator(lowOsc * 1000);
tuningSpace.put_HighOscillator(hiOsc * 1000);
ITuneRequest request;
_tuningSpace.CreateTuneRequest(out request);
_tuneRequest = (IDVBTuneRequest)request;
_tuningSpace.get_DefaultLocator(out locator);
IDVBSLocator dvbsLocator = (IDVBSLocator)locator;
IDVBTuneRequest tuneRequest = (IDVBTuneRequest)_tuneRequest;
tuneRequest.put_ONID(dvbsChannel.NetworkId);
tuneRequest.put_SID(dvbsChannel.ServiceId);
tuneRequest.put_TSID(dvbsChannel.TransportId);
locator.put_CarrierFrequency((int)dvbsChannel.Frequency);
dvbsLocator.put_SymbolRate(dvbsChannel.SymbolRate);
dvbsLocator.put_SignalPolarisation(dvbsChannel.Polarisation);
// Set DVB-S2 and manufacturer specific tuning parameters here.
//-------------------------------------------------------------------
// Important: the original dvbsChannel object *must not* be modified
// otherwise IsDifferentTransponder() will sometimes returns true
// when it shouldn't. See mantis 0002979.
//-------------------------------------------------------------------
DVBSChannel tuneChannel = new DVBSChannel(dvbsChannel);
if (_conditionalAccess != null)
{
tuneChannel = _conditionalAccess.SetDVBS2Modulation(_parameters, tuneChannel);
}
dvbsLocator.put_Modulation(tuneChannel.ModulationType);
Log.Log.WriteFile("dvbs:channel modulation is set to {0}", tuneChannel.ModulationType);
dvbsLocator.put_InnerFECRate(tuneChannel.InnerFecRate);
Log.Log.WriteFile("dvbs:channel FECRate is set to {0}", tuneChannel.InnerFecRate);
_tuneRequest.put_Locator(locator);
//set the DisEqC parameters
if (_conditionalAccess != null)
{
//int hr2 = ((IMediaControl)_graphBuilder).Pause();
_diseqCsucceded = _conditionalAccess.SendDiseqcCommand(_parameters, dvbsChannel);
//hr2 = ((IMediaControl)_graphBuilder).Run();
//move diseqc motor to correct satellite
if (dvbsChannel != null && dvbsChannel.SatelliteIndex > 0 && _conditionalAccess.DiSEqCMotor != null)
{
_conditionalAccess.DiSEqCMotor.GotoPosition((byte)dvbsChannel.SatelliteIndex);
}
}
}
_dvbsChannel = dvbsChannel;
return(true);
}
