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); }
/// <summary> /// Creates the tuning space. /// </summary> protected void CreateTuningSpace() { Log.Log.WriteFile("dvbs:CreateTuningSpace()"); ITuner tuner = (ITuner)_filterNetworkProvider; SystemTuningSpaces systemTuningSpaces = new SystemTuningSpaces(); ITuningSpaceContainer container = systemTuningSpaces as ITuningSpaceContainer; if (container == null) { Log.Log.Error("CreateTuningSpace() Failed to get ITuningSpaceContainer"); return; } IEnumTuningSpaces enumTuning; ITuningSpace[] spaces = new ITuningSpace[2]; int lowOsc; int hiOsc; int lnbSwitch; if (_parameters.UseDefaultLnbFrequencies) { lowOsc = 9750; hiOsc = 10600; lnbSwitch = 11700; } else { lowOsc = _parameters.LnbLowFrequency; hiOsc = _parameters.LnbHighFrequency; lnbSwitch = _parameters.LnbSwitchFrequency; } ITuneRequest request; container.get_EnumTuningSpaces(out enumTuning); IDVBSTuningSpace tuningSpace; while (true) { int fetched; enumTuning.Next(1, spaces, out fetched); if (fetched != 1) { break; } string name; spaces[0].get_UniqueName(out name); if (name == "MediaPortal DVBS TuningSpace") { Log.Log.WriteFile("dvbs:found correct tuningspace {0}", name); _tuningSpace = (IDVBSTuningSpace)spaces[0]; tuningSpace = (IDVBSTuningSpace)_tuningSpace; tuningSpace.put_LNBSwitch(lnbSwitch * 1000); tuningSpace.put_SpectralInversion(SpectralInversion.Automatic); tuningSpace.put_LowOscillator(lowOsc * 1000); tuningSpace.put_HighOscillator(hiOsc * 1000); tuner.put_TuningSpace(tuningSpace); tuningSpace.CreateTuneRequest(out request); _tuneRequest = (IDVBTuneRequest)request; return; } Release.ComObject("ITuningSpace", spaces[0]); } Release.ComObject("IEnumTuningSpaces", enumTuning); Log.Log.WriteFile("dvbs:Create new tuningspace"); _tuningSpace = (IDVBSTuningSpace) new DVBSTuningSpace(); tuningSpace = (IDVBSTuningSpace)_tuningSpace; tuningSpace.put_UniqueName("MediaPortal DVBS TuningSpace"); tuningSpace.put_FriendlyName("MediaPortal DVBS TuningSpace"); tuningSpace.put__NetworkType(typeof(DVBSNetworkProvider).GUID); tuningSpace.put_SystemType(DVBSystemType.Satellite); tuningSpace.put_LNBSwitch(lnbSwitch * 1000); tuningSpace.put_LowOscillator(lowOsc * 1000); tuningSpace.put_HighOscillator(hiOsc * 1000); IDVBSLocator locator = (IDVBSLocator) new DVBSLocator(); locator.put_CarrierFrequency(-1); locator.put_InnerFEC(FECMethod.MethodNotSet); locator.put_InnerFECRate(BinaryConvolutionCodeRate.RateNotSet); locator.put_Modulation(ModulationType.ModNotSet); locator.put_OuterFEC(FECMethod.MethodNotSet); locator.put_OuterFECRate(BinaryConvolutionCodeRate.RateNotSet); locator.put_SymbolRate(-1); object newIndex; _tuningSpace.put_DefaultLocator(locator); container.Add(_tuningSpace, out newIndex); tuner.put_TuningSpace(_tuningSpace); Release.ComObject("TuningSpaceContainer", container); _tuningSpace.CreateTuneRequest(out request); _tuneRequest = (IDVBTuneRequest)request; }