internal TBSDVBS2Handler(IBaseFilter tunerFilter, Tuner tuner)
{
if (!tuner.Name.ToUpperInvariant().Contains("TBS"))
return;
IPin pin = DsFindPin.ByDirection(tunerFilter, PinDirection.Input, 0);
if (pin != null)
{
propertySet = pin as IKsPropertySet;
if (propertySet != null)
{
KSPropertySupport supported;
reply = propertySet.QuerySupported(bdaTunerExtensionProperties, (int)BdaTunerExtension.KSPROPERTY_BDA_NBC_PARAMS, out supported);
if (reply == 0)
{
dvbs2Capable = (supported & KSPropertySupport.Get) == KSPropertySupport.Get || (supported & KSPropertySupport.Set) == KSPropertySupport.Set;
if (dvbs2Capable)
{
useSet = (supported & KSPropertySupport.Set) == KSPropertySupport.Set;
useGet = !useSet;
}
}
}
}
}
internal static DVBS2HandlerBase GetDVBS2Handler(TuningSpec tuningSpec, IBaseFilter tunerFilter, ITuneRequest tuneRequest, Tuner tuner)
{
DVBS2HandlerBase dvbs2Handler = getDVBS2Handler(tunerFilter, tuner);
if (dvbs2Handler == null)
{
Logger.Instance.Write("No DVB-S2 handler available - parameters not set");
return (null);
}
Logger.Instance.Write("Created " + dvbs2Handler.Description + " DVB-S2 handler");
return(dvbs2Handler);
}
/// <summary>
/// Initializes a new instance of the ConexantDiseqcHandler class.
/// </summary>
/// <param name="tunerFilter">The tuner filter.</param>
/// <param name="tuner">The tuner.</param>
internal ConexantDiseqcHandler(IBaseFilter tunerFilter, Tuner tuner)
{
if (tuner.Name.ToUpperInvariant().Contains("TBS"))
return;
IPin pin = DsFindPin.ByDirection(tunerFilter, PinDirection.Input, 0);
if (pin != null)
{
propertySet = pin as IKsPropertySet;
if (propertySet != null)
{
KSPropertySupport supported;
propertySet.QuerySupported(bdaTunerExtensionProperties, (int)BdaTunerExtension.KSPROPERTY_BDA_DISEQC, out supported);
if ((supported & KSPropertySupport.Set) != 0)
cardCapable = true;
}
}
}
/// <summary>
/// Initializes a new instance of the TeviiDiseqcHandler class.
/// </summary>
/// <param name="tunerFilter">The tuner filter.</param>
/// <param name="tunerSpec">The current tuner.</param>
internal TeviiDiseqcHandler(IBaseFilter tunerFilter, Tuner tunerSpec)
{
Int32 deviceCount = FindDevices();
if (deviceCount == 0)
return;
Logger.Instance.Write("Tevii DiSEqC handler: Found " + deviceCount + " devices");
for (int index = 0; index < deviceCount; index++)
{
IntPtr devicePathAddress = GetDevicePath(index);
string devicePath = Marshal.PtrToStringAnsi(devicePathAddress);
Logger.Instance.Write("Tevii DiSEqC handler: Device " + index + " Path " + devicePath);
if (devicePath == tunerSpec.Path)
{
cardCapable = true;
deviceNumber = index;
break;
}
}
if (!cardCapable)
{
Logger.Instance.Write("Tevii DiSEqC handler: No device with the correct path found");
return;
}
Logger.Instance.Write("Tevii DiSEqC handler: Opening device " + deviceNumber);
reply = OpenDevice(deviceNumber, IntPtr.Zero, IntPtr.Zero);
if (reply != 0)
Logger.Instance.Write("Tevii DiSEqC handler: Opened device " + deviceNumber);
else
{
Logger.Instance.Write("Tevii DiSEqC handler: Failed to open device " + deviceNumber);
cardCapable = false;
}
}
internal static SwitchReply ProcessDisEqcSwitch(TuningSpec tuningSpec, Tuner tunerSpec, IBaseFilter tunerFilter)
{
DiseqcHandlerBase diseqcHandler = getDiseqcHandler(tunerSpec, tunerFilter);
if (diseqcHandler == null)
{
Logger.Instance.Write("No DiSEqC handler available - switch request ignored");
return (SwitchReply.NoHandler);
}
Logger.Instance.Write("Created " + diseqcHandler.Description + " DiSEqC handler");
bool reply = diseqcHandler.SendDiseqcCommand(tuningSpec, ((SatelliteFrequency)tuningSpec.Frequency).SatelliteDish.DiseqcSwitch);
if (reply)
return (SwitchReply.OK);
else
return (SwitchReply.Failed);
}
private static DVBS2HandlerBase createTBSHandler(IBaseFilter tunerFilter, Tuner tuner, bool logMessage)
{
TBSDVBS2Handler tbsHandler = new TBSDVBS2Handler(tunerFilter, tuner);
if (tbsHandler.DVBS2Capable)
return (tbsHandler);
if (logMessage)
Logger.Instance.Write("TBS card is not DVB-S2 capable");
return (null);
}
private static DVBS2HandlerBase getDVBS2Handler(IBaseFilter tunerFilter, Tuner tuner)
{
DVBS2HandlerBase dvbs2Handler = createWin7APIHandler(tunerFilter, false);
if (dvbs2Handler != null)
{
Logger.Instance.Write("DVB-S2 processing using Win7 API method");
return (dvbs2Handler);
}
dvbs2Handler = createHauppaugeHandler(tunerFilter, false);
if (dvbs2Handler != null)
{
Logger.Instance.Write("DVB-S2 processing using Hauppauge method");
return (dvbs2Handler);
}
dvbs2Handler = createProfRedHandler(tunerFilter, tuner, false);
if (dvbs2Handler != null)
{
Logger.Instance.Write("DVB-S2 processing using TBS method");
return (dvbs2Handler);
}
dvbs2Handler = createDigitalEverywhereHandler(tunerFilter, false);
if (dvbs2Handler != null)
{
Logger.Instance.Write("DVB-S2 processing using DigitalEverywhere method");
return (dvbs2Handler);
}
dvbs2Handler = createTechnoTrendHandler(tunerFilter, false);
if (dvbs2Handler != null)
{
Logger.Instance.Write("DVB-S2 processing using TechnoTrend method");
return (dvbs2Handler);
}
dvbs2Handler = createTwinhanHandler(tunerFilter, false);
if (dvbs2Handler != null)
{
Logger.Instance.Write("DVB-S2 processing using Twinhan/TechniSat method");
return (dvbs2Handler);
}
dvbs2Handler = createGenPixHandler(tunerFilter, false);
if (dvbs2Handler != null)
{
Logger.Instance.Write("DVB-S2 processing using GenPix method");
return (dvbs2Handler);
}
dvbs2Handler = createTBSHandler(tunerFilter, tuner, false);
if (dvbs2Handler != null)
{
Logger.Instance.Write("DVB-S2 processing using TBS method");
return (dvbs2Handler);
}
return (null);
}
/// <summary>
/// Find a tuner.
/// </summary>
/// <param name="tuners">The list of tuners to try.</param>
/// <param name="tunerNodeType">The node type the tuner must have.</param>
/// <param name="tuningSpec">A tuning spec instance with tuning details.</param>
/// <param name="lastTuner">The last tuner used or null if all are to be considered.</param>
/// <returns>A graph instance.</returns>
public static BDAGraph FindTuner(Collection<int> tuners, TunerNodeType tunerNodeType, TuningSpec tuningSpec, Tuner lastTuner)
{
return (FindTuner(tuners, tunerNodeType, tuningSpec, lastTuner,
RunParameters.Instance.Options.Contains("REPEATDISEQC"),
RunParameters.Instance.Options.Contains("SWITCHAFTERPLAY")));
}
private static DVBS2HandlerBase createProfRedHandler(IBaseFilter tunerFilter, Tuner tuner, bool logMessage)
{
ProfRedDVBS2Handler profRedHandler = new ProfRedDVBS2Handler(tunerFilter, tuner);
if (profRedHandler.DVBS2Capable)
return (profRedHandler);
if (logMessage)
Logger.Instance.Write("ProfRed card is not DVB-S2 capable");
return (null);
}
/// <summary>
/// Initialize a new instance of the BDAGraph1 class for dumping a transport stream.
/// </summary>
/// <param name="componentName">The name of the current component.</param>
/// <param name="tuningSpec">A tuning spec instance with details of the tuning requirements.</param>
/// <param name="tunerSpec">A tuner spec instance specifying the tuner to be used.</param>
/// <param name="dumpFileName">The name of the dump file.</param>
public BDAGraph(string componentName, TuningSpec tuningSpec, Tuner tunerSpec, string dumpFileName)
: base(componentName)
{
currentGraph = this;
this.tuningSpec = tuningSpec;
this.tunerSpec = tunerSpec;
createTuningSpace(tuningSpec);
createTuneRequest(tuningSpace, tuningSpec);
this.dumpFileName = dumpFileName;
buildGraph(tuningSpace, tunerSpec, tuningSpec);
}
private static DiseqcHandlerBase getDiseqcHandler(Tuner tuner, IBaseFilter tunerFilter)
{
if (RunParameters.Instance.DiseqcIdentity != null)
{
switch (RunParameters.Instance.DiseqcIdentity)
{
case "HAUPPAUGE":
return (createHauppaugeHandler(tunerFilter, true));
case "TECHNOTREND":
return (createTechnoTrendHandler(tunerFilter, true));
case "GENPIX":
return (createGenPixHandler(tunerFilter, true));
case "CONEXANT":
return (createConexantHandler(tuner, tunerFilter, true));
case "TWINHAN":
case "AZUREWAVE":
return (createTwinhanHandler(tunerFilter, true));
case "TEVII":
return (createTeviiHandler(tuner, tunerFilter, true));
case "PROFRED":
return (createProfRedHandler(tunerFilter, true));
case "DIGITALEVERYWHERE":
return (createDigitalEverywhereHandler(tunerFilter, true));
case "WIN7API":
return (createWin7APIHandler(tunerFilter, true));
case "GENERIC":
return (createGenericHandler(tunerFilter, true));
default:
Logger.Instance.Write("DiSEqC handler not recognized");
return (null);
}
}
DiseqcHandlerBase diseqcHandler = createHauppaugeHandler(tunerFilter, false);
if (diseqcHandler != null)
{
Logger.Instance.Write("DiSEqC processing using Hauppauge method");
return (diseqcHandler);
}
diseqcHandler = createTechnoTrendHandler(tunerFilter, false);
if (diseqcHandler != null)
{
Logger.Instance.Write("DiSEqC processing using TechnoTrend method");
return (diseqcHandler);
}
diseqcHandler = createTwinhanHandler(tunerFilter, false);
if (diseqcHandler != null)
{
Logger.Instance.Write("DiSEqC processing using Twinhan/TechniSat method");
return (diseqcHandler);
}
diseqcHandler = createConexantHandler(tuner, tunerFilter, false);
if (diseqcHandler != null)
{
Logger.Instance.Write("DiSEqC processing using Conexant method");
return (diseqcHandler);
}
diseqcHandler = createGenPixHandler(tunerFilter, false);
if (diseqcHandler != null)
{
Logger.Instance.Write("DiSEqC processing using GenPix method");
return (diseqcHandler);
}
diseqcHandler = createTeviiHandler(tuner, tunerFilter, false);
if (diseqcHandler != null)
{
Logger.Instance.Write("DiSEqC processing using Tevii method");
return (diseqcHandler);
}
diseqcHandler = createProfRedHandler(tunerFilter, false);
if (diseqcHandler != null)
{
Logger.Instance.Write("DiSEqC processing using ProfRed/TBS method");
return (diseqcHandler);
}
diseqcHandler = createDigitalEverywhereHandler(tunerFilter, false);
if (diseqcHandler != null)
{
Logger.Instance.Write("DiSEqC processing using DigitalEverywhere method");
return (diseqcHandler);
}
diseqcHandler = createWin7APIHandler(tunerFilter, false);
if (diseqcHandler != null)
{
Logger.Instance.Write("DiSEqC processing using Win7 API method");
return (diseqcHandler);
}
diseqcHandler = createGenericHandler(tunerFilter, false);
if (diseqcHandler != null)
{
Logger.Instance.Write("DiSEqC processing using Generic method");
return (diseqcHandler);
}
return (null);
}
/// <summary>
/// Initialise a new instance of the Tuner class.
/// </summary>
/// <param name="path">The Windows path for the tuner.</param>
public Tuner(string path)
{
this.path = path;
currentTuner = this;
}
/// <summary>
/// Find a tuner.
/// </summary>
/// <param name="tuners">The list of tuners to try.</param>
/// <param name="tunerNodeType">The node type the tuner must have.</param>
/// <param name="tuningSpec">A tuning spec instance with tuning details.</param>
/// <param name="lastTuner">The last tuner used or null if all are to be considered.</param>
/// <param name="repeatDiseqc">True to repeat a failed diseqc command; false otherwise.</param>
/// <param name="switchAfterPlay">True to change diseqc switch after graph running; false otherwise.</param>
/// <returns>A graph instance.</returns>
public static BDAGraph FindTuner(Collection<int> tuners, TunerNodeType tunerNodeType, TuningSpec tuningSpec, Tuner lastTuner, bool repeatDiseqc, bool switchAfterPlay)
{
return (FindTuner(tuners, tunerNodeType, tuningSpec, lastTuner, repeatDiseqc, switchAfterPlay, null));
}
private void addBoardFilters(Tuner selectedTuner)
{
LogMessage("Adding BDA Board Filters");
DsDevice[] devices;
try
{
LogMessage("Adding tuner filter");
devices = DsDevice.GetDevicesOfCat(FilterCategory.BDASourceFiltersCategory);
for (int i = 0; i < devices.Length; i++)
{
bool correctTuner = (selectedTuner.Path == (devices[i].DevicePath));
if (correctTuner)
{
IBaseFilter tempTuner;
LogMessage("Adding tuner filter " + devices[i].Name);
reply = GraphBuilder.AddSourceFilterForMoniker(devices[i].Moniker, null, devices[i].Name, out tempTuner);
if (reply >= 0)
{
reply = CaptureGraphBuilder.RenderStream(null, null, networkProviderFilter, null, tempTuner);
if (reply >= 0)
{
LogMessage("Added tuner filter " + devices[i].Name);
tunerFilter = tempTuner;
break;
}
else
{
LogMessage("Failed to render tuner filter " + devices[i].Name + " reply 0x" + reply.ToString("X"));
reply = GraphBuilder.RemoveFilter(tempTuner);
Marshal.ReleaseComObject(tempTuner);
}
}
else
{
LogMessage("Failed to add tuner filter " + devices[i].Name + " reply 0x" + reply.ToString("X"));
}
}
}
if (tunerFilter == null)
throw new InvalidOperationException("No valid BDA tuner");
// try to connect tuner to MPEG-2 Demux
reply = CaptureGraphBuilder.RenderStream(null, null, tunerFilter, null, mpeg2DemuxFilter);
if (reply >= 0)
{
// single filter model (no captureFilter or demodulatorFilter filter)
demodulatorFilter = null;
captureFilter = null;
LogMessage("Tuner only needed for board filters");
return;
}
else
{
// scan BDA Receiver Components to found a captureFilter filter to connect the tuner to the MPEG2 Demux
LogMessage("Adding demodulator and/or capture filter");
devices = DsDevice.GetDevicesOfCat(FilterCategory.BDAReceiverComponentsCategory);
LogMessage("Receiver component count: " + devices.Length);
for (int i = 0; i < devices.Length; i++)
{
IBaseFilter tempFilter;
LogMessage("Adding receiver component " + devices[i].Name);
reply = GraphBuilder.AddSourceFilterForMoniker(devices[i].Moniker, null, devices[i].Name, out tempFilter);
if (reply >= 0)
{
reply = CaptureGraphBuilder.RenderStream(null, null, tunerFilter, null, tempFilter);
if (reply >= 0)
{
LogMessage("Receiver component can connect to tuner");
// filter can connect to tuner
captureFilter = tempFilter;
// connect it to the MPEG-2 Demux
reply = CaptureGraphBuilder.RenderStream(null, null, captureFilter, null, mpeg2DemuxFilter);
if (reply >= 0)
{
// filter can connect the tuner and the demux. This is a captureFilter filter (no demodulatorFilter needed).
LogMessage("Added capture filter " + devices[i].Name);
return;
}
else
{
// filter can connect with the tuner but not with the demux.
// this is a demodulatorFilter filter. Now find the true captureFilter filter.
LogMessage("Added demodulator filter " + devices[i].Name);
demodulatorFilter = captureFilter;
captureFilter = null;
// saving the demodulatorFilter's DevicePath to avoid creating it twice.
string demodulatorDevicePath = devices[i].DevicePath;
for (int j = 0; i < devices.Length; j++)
{
if (devices[j].DevicePath.Equals(demodulatorDevicePath))
continue;
LogMessage("Adding possible capture filter " + devices[i].Name);
reply = GraphBuilder.AddSourceFilterForMoniker(devices[i].Moniker, null, devices[i].Name, out tempFilter);
DsError.ThrowExceptionForHR(reply);
reply = CaptureGraphBuilder.RenderStream(null, null, demodulatorFilter, null, tempFilter);
if (reply >= 0)
{
// filter can connect with demodulatorFilter
captureFilter = tempFilter;
// connect it to the MPEG-2 Demux
reply = CaptureGraphBuilder.RenderStream(null, null, captureFilter, null, mpeg2DemuxFilter);
if (reply >= 0)
{
// filter can connect with the demodulatorFilter and the demux. The true captureFilter filter.
// now have network provider -> tuner -> demodulatorFilter -> captureFilter
LogMessage("Added capture filter " + devices[i].Name);
return;
}
else
LogMessage("Capture filter could not connect to MPEG2 Demux reply 0x" + reply.ToString("X"));
}
else
{
LogMessage("Capture filter could not connect to demodulator reply 0x" + reply.ToString("X"));
// try another.
reply = GraphBuilder.RemoveFilter(tempFilter);
Marshal.ReleaseComObject(tempFilter);
}
} // for j
// have a tuner and a captureFilter/demodulatorFilter that can't connect with the demux
// and we found no additionals filters to build a working filters chain.
throw new InvalidOperationException("No valid board filter chain");
}
}
else
{
LogMessage("Receiver component could not connect to tuner reply 0x" + reply.ToString("X"));
// try another.
reply = GraphBuilder.RemoveFilter(tempFilter);
Marshal.ReleaseComObject(tempFilter);
}
}
else
LogMessage("Failed to load filter " + devices[i].Name);
} // for i
// have a tuner that connects to the Network Provider but not with the demux
// and we found no additionals filters to build a working filters chain.
throw new InvalidOperationException("No valid board filter chain");
}
}
finally { }
}
private static BDAGraph checkTunerAvailability(Tuner tuner, TuningSpec tuningSpec, bool repeatDiseqc, bool switchAfterPlay, string dumpFileName)
{
if (!RunParameters.Instance.DebugIDs.Contains("USEDVBLINK"))
{
if (tuner.Name.ToUpperInvariant().StartsWith("DVBLINK"))
return (null);
}
BDAGraph graph = new BDAGraph("BDA", tuningSpec, tuner, dumpFileName);
graph.LogFilters();
if (tuningSpec.Frequency.TunerType == TunerType.Satellite && ((SatelliteFrequency)tuningSpec.Frequency).SatelliteDish.DiseqcSwitch != null)
return (checkDiseqcAvailability(graph, tuner, tuningSpec, repeatDiseqc, switchAfterPlay));
else
{
if (graph.Play())
return (graph);
else
{
Logger.Instance.Write("Tuner in use - ignored: " + tuner.Name);
graph.Dispose();
return (null);
}
}
}
private static BDAGraph checkDiseqcAvailability(BDAGraph graph, Tuner tuner, TuningSpec tuningSpec, bool repeatDiseqc, bool switchAfterPlay)
{
if (RunParameters.Instance.Options.Contains("USESAFEDISEQC"))
{
Logger.Instance.Write("Processing using safe DiSEqC switching method");
if (!graph.Play())
{
Logger.Instance.Write("Tuner in use - ignored: " + tuner.Name);
graph.Dispose();
return (null);
}
graph.Dispose();
graph = new BDAGraph("BDA", tuningSpec, tuner);
}
else
Logger.Instance.Write("Processing using unsafe DiSEqC switching method");
SwitchReply switchReply = SwitchReply.NotSet;
if (!switchAfterPlay)
{
Logger.Instance.Write("Processing Diseqc command before running graph");
switchReply = DiseqcHandlerBase.ProcessDisEqcSwitch(tuningSpec, tuner, graph.tunerFilter);
Thread.Sleep(500);
}
if (!graph.Play())
{
Logger.Instance.Write("Tuner in use - ignored: " + tuner.Name);
graph.Dispose();
return (null);
}
if (switchReply == SwitchReply.Failed && repeatDiseqc)
{
Logger.Instance.Write("Repeating DiSEqC command due to initial failure");
switchReply = DiseqcHandlerBase.ProcessDisEqcSwitch(tuningSpec, tuner, graph.tunerFilter);
}
else
{
if (switchAfterPlay)
{
Logger.Instance.Write("Processing Diseqc command after running graph");
switchReply = DiseqcHandlerBase.ProcessDisEqcSwitch(tuningSpec, tuner, graph.tunerFilter);
}
}
return (graph);
}
/// <summary>
/// Load the installed tuners.
/// </summary>
public static void LoadTuners()
{
ObservableCollection<Tuner> tuners = new ObservableCollection<Tuner>();
/*Tuner tuner1 = new Tuner("");
tuner1.Name = "Tuner 1";
tuner1.TunerNodes = new Collection<TunerNode>();
tuner1.TunerNodes.Add(new TunerNode(0, TunerNodeType.Terrestrial));
tuners.Add(tuner1);*/
/*Tuner tuner2 = new Tuner("");
tuner2.Name = "Tuner 2";
tuner2.TunerNodes = new Collection<TunerNode>();
tuner2.TunerNodes.Add(new TunerNode(0, TunerNodeType.Cable));
tuners.Add(tuner2);*/
/*Tuner tuner3 = new Tuner("");
tuner3.Name = "Hauppauge ATSC Tuner";
tuner3.TunerNodes = new Collection<TunerNode>();
tuner3.TunerNodes.Add(new TunerNode(0, TunerNodeType.ATSC));
tuner3.TunerNodes.Add(new TunerNode(0, TunerNodeType.Cable));
tuners.Add(tuner3);*/
/*Tuner tuner4 = new Tuner("");
tuner4.Name = "Dummy ISDB Tuner";
tuner4.TunerNodes = new Collection<TunerNode>();
tuner4.TunerNodes.Add(new TunerNode(0, TunerNodeType.ISDBT));
tuners.Add(tuner4);*/
DsDevice[] devices = DsDevice.GetDevicesOfCat(FilterCategory.BDASourceFiltersCategory);
foreach (DsDevice device in devices)
{
Tuner tuner = new Tuner(device.DevicePath);
tuner.Name = device.Name;
tuner.TunerNodes = getTunerNodes(device);
tuners.Add(tuner);
}
Logger.Instance.Write(" ");
int tunerNumber = 1;
foreach (Tuner tuner in tuners)
{
Logger.Instance.Write("Found tuner " + tunerNumber + ": " + tuner);
tunerNumber++;
}
Logger.Instance.Write(" ");
Tuner.TunerCollection = tuners;
}
/// <summary>
/// Find a tuner.
/// </summary>
/// <param name="tuners">The list of tuners to try.</param>
/// <param name="tunerNodeType">The node type the tuner must have.</param>
/// <param name="tuningSpec">A tuning spec instance with tuning details.</param>
/// <param name="lastTuner">The last tuner used or null if all are to be considered.</param>
/// <param name="repeatDiseqc">True to repeat a failed diseqc command; false otherwise.</param>
/// <param name="switchAfterPlay">True to change diseqc switch after graph running; false otherwise.</param>
/// <param name="dumpFileName">The name of the dump file.</param>
/// <returns>A graph instance.</returns>
public static BDAGraph FindTuner(Collection<int> tuners, TunerNodeType tunerNodeType, TuningSpec tuningSpec, Tuner lastTuner, bool repeatDiseqc, bool switchAfterPlay, string dumpFileName)
{
bool process = (lastTuner == null);
if (tuners.Count != 0)
{
for (int index = 0; index < tuners.Count; index++)
{
int tunerNumber = tuners[index] - 1;
if (tunerNumber < Tuner.TunerCollection.Count && Tuner.TunerCollection[tunerNumber].Supports(tunerNodeType))
{
Tuner tuner = Tuner.TunerCollection[tunerNumber];
if (process)
{
BDAGraph graph = checkTunerAvailability(tuner, tuningSpec, repeatDiseqc, switchAfterPlay, dumpFileName);
if (graph != null)
{
Logger.Instance.Write("Using tuner " + (tunerNumber + 1) + ": " + tuner.Name);
return (graph);
}
}
if (!process)
process = (tuner == lastTuner);
}
}
return (null);
}
for (int index = 0; index < Tuner.TunerCollection.Count; index++)
{
Tuner tuner = Tuner.TunerCollection[index];
if (process)
{
if (tuner.Supports(tunerNodeType))
{
BDAGraph graph = checkTunerAvailability(tuner, tuningSpec, repeatDiseqc, switchAfterPlay, dumpFileName);
if (graph != null)
{
Logger.Instance.Write("Using tuner " + (Tuner.TunerCollection.IndexOf(tuner) + 1) + ": " + tuner.Name);
return (graph);
}
}
}
if (!process)
process = (tuner == lastTuner);
}
return (null);
}
/// <summary>
/// Initialise a new instance of the Tuner class.
/// </summary>
/// <param name="path">The Windows path for the tuner.</param>
public Tuner(string path)
{
this.path = path;
currentTuner = this;
}
private static DiseqcHandlerBase createConexantHandler(Tuner tuner, IBaseFilter tunerFilter, bool logMessage)
{
ConexantDiseqcHandler conexantHandler = new ConexantDiseqcHandler(tunerFilter, tuner);
if (conexantHandler.CardCapable)
return (conexantHandler);
if (logMessage)
Logger.Instance.Write("Conexant card is not DiSEqC capable");
return (null);
}
private static DiseqcHandlerBase createTeviiHandler(Tuner tuner, IBaseFilter tunerFilter, bool logMessage)
{
TeviiDiseqcHandler teviiHandler = new TeviiDiseqcHandler(tunerFilter, tuner);
if (teviiHandler.CardCapable)
return (teviiHandler);
if (logMessage)
Logger.Instance.Write("Tevii card is not DiSEqC capable");
return (null);
}
private void buildGraph(ITuningSpace tuningSpace, Tuner tuner, TuningSpec tuningSpec)
{
base.BuildGraph();
addNetworkProviderFilter(tuningSpace);
infiniteTeeFilter = addInfiniteTeeFilter();
mpeg2DemuxFilter = addMPEG2DemuxFilter();
addBoardFilters(tuner);
insertInfiniteTee();
addTransportStreamFilters();
addPSIMemoryFilter();
if (tuningSpec.Frequency.TunerType == TunerType.ATSC ||
tuningSpec.Frequency.TunerType == TunerType.ATSCCable ||
tuningSpec.Frequency.TunerType == TunerType.ClearQAM)
connectDownStreamFilters(mpeg2DemuxFilter, MediaSubType.AtscSI);
else
connectDownStreamFilters(mpeg2DemuxFilter, MediaSubType.DvbSI);
}
