private bool BeforeTune(IChannel channel, ref int subChannelId)
{
DVBCChannel dvbcChannel = channel as DVBCChannel;
if (dvbcChannel == null)
{
Log.Log.WriteFile("dvbc:Channel is not a DVBC 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 (_graphState == GraphState.Idle)
{
BuildGraph();
if (_mapSubChannels.ContainsKey(subChannelId) == false)
{
subChannelId = GetNewSubChannel(channel);
}
}
if (useInternalNetworkProvider)
{
return(true);
}
if (_previousChannel == null || _previousChannel.IsDifferentTransponder(dvbcChannel))
{
//_pmtPid = -1;
ILocator locator;
_tuningSpace.get_DefaultLocator(out locator);
IDVBCLocator dvbcLocator = (IDVBCLocator)locator;
dvbcLocator.put_InnerFEC(FECMethod.MethodNotSet);
dvbcLocator.put_InnerFECRate(BinaryConvolutionCodeRate.RateNotSet);
dvbcLocator.put_OuterFEC(FECMethod.MethodNotSet);
dvbcLocator.put_OuterFECRate(BinaryConvolutionCodeRate.RateNotSet);
dvbcLocator.put_Modulation(dvbcChannel.ModulationType);
dvbcLocator.put_SymbolRate(dvbcChannel.SymbolRate);
IDVBTuneRequest tuneRequest = (IDVBTuneRequest)_tuneRequest;
tuneRequest.put_ONID(dvbcChannel.NetworkId);
tuneRequest.put_SID(dvbcChannel.ServiceId);
tuneRequest.put_TSID(dvbcChannel.TransportId);
locator.put_CarrierFrequency((int)dvbcChannel.Frequency);
_tuneRequest.put_Locator(locator);
_tuneRequest = tuneRequest;
}
return(true);
}
/// <summary>
/// Creates the tuning space.
/// </summary>
protected void CreateTuningSpace()
{
Log.Log.WriteFile("dvbc: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];
ITuneRequest request;
container.get_EnumTuningSpaces(out enumTuning);
if (enumTuning != null)
{
while (true)
{
int fetched;
if (enumTuning.Next(1, spaces, out fetched) != 0)
{
break;
}
if (fetched != 1)
{
break;
}
if (spaces[0] == null)
{
break;
}
string name;
spaces[0].get_UniqueName(out name);
if (name != null)
{
if (name == "MediaPortal DVBC TuningSpace")
{
Log.Log.WriteFile("dvbc:Found correct tuningspace {0}", name);
_tuningSpace = (IDVBTuningSpace)spaces[0];
tuner.put_TuningSpace(_tuningSpace);
_tuningSpace.CreateTuneRequest(out request);
_tuneRequest = (IDVBTuneRequest)request;
return;
}
}
Release.ComObject("ITuningSpace", spaces[0]);
}
Release.ComObject("IEnumTuningSpaces", enumTuning);
}
Log.Log.WriteFile("dvbc:Create new tuningspace");
_tuningSpace = (IDVBTuningSpace) new DVBTuningSpace();
IDVBTuningSpace tuningSpace = (IDVBTuningSpace)_tuningSpace;
tuningSpace.put_UniqueName("MediaPortal DVBC TuningSpace");
tuningSpace.put_FriendlyName("MediaPortal DVBC TuningSpace");
tuningSpace.put__NetworkType(typeof(DVBCNetworkProvider).GUID);
tuningSpace.put_SystemType(DVBSystemType.Cable);
IDVBCLocator locator = (IDVBCLocator) new DVBCLocator();
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;
}
