/// <summary>
/// Disposes this instance.
/// </summary>
public override void Dispose()
{
if (_graphBuilder == null)
{
return;
}
if (!CheckThreadId())
{
return;
}
base.Dispose();
Log.Log.WriteFile("b2c2:Decompose");
_interfaceB2C2DataCtrl = null;
_interfaceB2C2TunerCtrl = null;
if (_filterB2C2Adapter != null)
{
Release.ComObject("tuner filter", _filterB2C2Adapter);
_filterB2C2Adapter = null;
}
}
/// <summary>
/// Builds the graph.
/// </summary>
public override void BuildGraph()
{
try
{
Log.Log.WriteFile("b2c2: build graph");
if (_graphState != GraphState.Idle)
{
Log.Log.Error("b2c2: Graph already built");
throw new TvException("Graph already built");
}
DevicesInUse.Instance.Add(_tunerDevice);
_managedThreadId = System.Threading.Thread.CurrentThread.ManagedThreadId;
_graphBuilder = (IFilterGraph2) new FilterGraph();
_rotEntry = new DsROTEntry(_graphBuilder);
_capBuilder = (ICaptureGraphBuilder2) new CaptureGraphBuilder2();
_capBuilder.SetFiltergraph(_graphBuilder);
//=========================================================================================================
// add the B2C2 specific filters
//=========================================================================================================
Log.Log.WriteFile("b2c2:CreateGraph() create B2C2 adapter");
_filterB2C2Adapter =
Activator.CreateInstance(Type.GetTypeFromCLSID(CLSID_B2C2Adapter, false)) as IBaseFilter;
Log.Log.WriteFile("b2c2: Filter instance: " + _filterB2C2Adapter);
if (_filterB2C2Adapter == null)
{
Log.Log.Error("b2c2:creategraph() _filterB2C2Adapter not found");
DevicesInUse.Instance.Remove(_tunerDevice);
return;
}
Log.Log.WriteFile("b2c2:creategraph() add filters to graph");
int hr = _graphBuilder.AddFilter(_filterB2C2Adapter, "B2C2-Source");
if (hr != 0)
{
Log.Log.Error("b2c2: FAILED to add B2C2-Adapter");
DevicesInUse.Instance.Remove(_tunerDevice);
return;
}
// get interfaces
_interfaceB2C2TunerCtrl = _filterB2C2Adapter as IB2C2MPEG2TunerCtrl4;
if (_interfaceB2C2TunerCtrl == null)
{
Log.Log.Error("b2c2: cannot get IB2C2MPEG2TunerCtrl4");
DevicesInUse.Instance.Remove(_tunerDevice);
return;
}
_interfaceB2C2DataCtrl = _filterB2C2Adapter as IB2C2MPEG2DataCtrl6;
if (_interfaceB2C2DataCtrl == null)
{
Log.Log.Error("b2c2: cannot get IB2C2MPEG2DataCtrl6");
DevicesInUse.Instance.Remove(_tunerDevice);
return;
}
hr = _interfaceB2C2DataCtrl.SelectDevice(_deviceInfo.DeviceId);
if (hr != 0)
{
Log.Log.Error("b2c2: select device failed: {0:X}", hr);
}
//=========================================================================================================
// initialize B2C2 tuner
//=========================================================================================================
Log.Log.WriteFile("b2c2: Initialize Tuner()");
hr = _interfaceB2C2TunerCtrl.Initialize();
if (hr != 0)
{
//System.Diagnostics.Debugger.Launch();
Log.Log.Error("b2c2: Tuner initialize failed:0x{0:X}", hr);
// if the B2C2 card is detected as analogue, it needs a device reset
((IMediaControl)_graphBuilder).Stop();
FreeAllSubChannels();
FilterGraphTools.RemoveAllFilters(_graphBuilder);
if (_graphBuilder != null)
{
Release.ComObject("graph builder", _graphBuilder);
_graphBuilder = null;
}
if (_capBuilder != null)
{
Release.ComObject("capBuilder", _capBuilder);
_capBuilder = null;
}
DevicesInUse.Instance.Remove(_tunerDevice);
CardPresent = false;
return;
}
// call checklock once, the return value dont matter
hr = _interfaceB2C2TunerCtrl.CheckLock();
AddTsWriterFilterToGraph();
IBaseFilter lastFilter;
ConnectInfTeeToB2C2(out lastFilter);
AddMdPlugs(ref lastFilter);
if (!ConnectTsWriter(lastFilter))
{
throw new TvExceptionGraphBuildingFailed("Graph building failed");
}
SendHwPids(new List <ushort>());
_graphState = GraphState.Created;
}
catch (Exception ex)
{
Log.Log.Write(ex);
Dispose();
_graphState = GraphState.Idle;
throw new TvExceptionGraphBuildingFailed("Graph building failed", ex);
}
}
private void GetTunerCapabilities()
{
Log.Log.WriteFile("b2c2: GetTunerCapabilities");
_graphBuilder = (IFilterGraph2) new FilterGraph();
_rotEntry = new DsROTEntry(_graphBuilder);
_capBuilder = (ICaptureGraphBuilder2) new CaptureGraphBuilder2();
_capBuilder.SetFiltergraph(_graphBuilder);
//=========================================================================================================
// add the B2C2 specific filters
//=========================================================================================================
Log.Log.WriteFile("b2c2:GetTunerCapabilities() create B2C2 adapter");
_filterB2C2Adapter =
Activator.CreateInstance(Type.GetTypeFromCLSID(CLSID_B2C2Adapter, false)) as IBaseFilter;
if (_filterB2C2Adapter == null)
{
Log.Log.Error("b2c2:GetTunerCapabilities() _filterB2C2Adapter not found");
return;
}
_interfaceB2C2TunerCtrl = _filterB2C2Adapter as IB2C2MPEG2TunerCtrl4;
if (_interfaceB2C2TunerCtrl == null)
{
Log.Log.Error("b2c2: cannot get IB2C2MPEG2TunerCtrl4");
return;
}
_interfaceB2C2DataCtrl = _filterB2C2Adapter as IB2C2MPEG2DataCtrl6;
if (_interfaceB2C2DataCtrl == null)
{
Log.Log.Error("b2c2: cannot get IB2C2MPEG2DataCtrl6");
return;
}
int hr = _interfaceB2C2DataCtrl.SelectDevice(_deviceInfo.DeviceId);
if (hr != 0)
{
Log.Log.Error("b2c2: select device failed: {0:X}", hr);
}
//=========================================================================================================
// Get tuner type (DVBS, DVBC, DVBT, ATSC)
//=========================================================================================================
int lTunerCapSize = Marshal.SizeOf(typeof(tTunerCapabilities));
IntPtr ptCaps = Marshal.AllocHGlobal(lTunerCapSize);
hr = _interfaceB2C2TunerCtrl.GetTunerCapabilities(ptCaps, ref lTunerCapSize);
if (hr != 0)
{
Log.Log.Error("b2c2: Tuner Type failed:0x{0:X}", hr);
return;
}
tTunerCapabilities tc = (tTunerCapabilities)Marshal.PtrToStructure(ptCaps, typeof(tTunerCapabilities));
switch (tc.eModulation)
{
case TunerType.ttSat:
Log.Log.WriteFile("b2c2: Card type = DVBS");
_cardType = CardType.DvbS;
break;
case TunerType.ttCable:
Log.Log.WriteFile("b2c2: Card type = DVBC");
_cardType = CardType.DvbC;
break;
case TunerType.ttTerrestrial:
Log.Log.WriteFile("b2c2: Card type = DVBT");
_cardType = CardType.DvbT;
break;
case TunerType.ttATSC:
Log.Log.WriteFile("b2c2: Card type = ATSC");
_cardType = CardType.Atsc;
break;
case TunerType.ttUnknown:
Log.Log.WriteFile("b2c2: Card type = unknown?");
_cardType = CardType.Unknown;
break;
}
Marshal.FreeHGlobal(ptCaps);
// Release all used object
if (_filterB2C2Adapter != null)
{
Release.ComObject("tuner filter", _filterB2C2Adapter);
_filterB2C2Adapter = null;
}
_rotEntry.Dispose();
if (_capBuilder != null)
{
Release.ComObject("capture builder", _capBuilder);
_capBuilder = null;
}
if (_graphBuilder != null)
{
Release.ComObject("graph builder", _graphBuilder);
_graphBuilder = null;
}
}
private void GetTunerCapabilities()
{
Log.Log.WriteFile("b2c2: GetTunerCapabilities");
_graphBuilder = (IFilterGraph2)new FilterGraph();
_rotEntry = new DsROTEntry(_graphBuilder);
_capBuilder = (ICaptureGraphBuilder2)new CaptureGraphBuilder2();
_capBuilder.SetFiltergraph(_graphBuilder);
//=========================================================================================================
// add the B2C2 specific filters
//=========================================================================================================
Log.Log.WriteFile("b2c2:GetTunerCapabilities() create B2C2 adapter");
_filterB2C2Adapter =
Activator.CreateInstance(Type.GetTypeFromCLSID(CLSID_B2C2Adapter, false)) as IBaseFilter;
if (_filterB2C2Adapter == null)
{
Log.Log.Error("b2c2:GetTunerCapabilities() _filterB2C2Adapter not found");
return;
}
_interfaceB2C2TunerCtrl = _filterB2C2Adapter as IB2C2MPEG2TunerCtrl4;
if (_interfaceB2C2TunerCtrl == null)
{
Log.Log.Error("b2c2: cannot get IB2C2MPEG2TunerCtrl4");
return;
}
_interfaceB2C2DataCtrl = _filterB2C2Adapter as IB2C2MPEG2DataCtrl6;
if (_interfaceB2C2DataCtrl == null)
{
Log.Log.Error("b2c2: cannot get IB2C2MPEG2DataCtrl6");
return;
}
int hr = _interfaceB2C2DataCtrl.SelectDevice(_deviceInfo.DeviceId);
if (hr != 0)
{
Log.Log.Error("b2c2: select device failed: {0:X}", hr);
}
//=========================================================================================================
// Get tuner type (DVBS, DVBC, DVBT, ATSC)
//=========================================================================================================
int lTunerCapSize = Marshal.SizeOf(typeof(tTunerCapabilities));
IntPtr ptCaps = Marshal.AllocHGlobal(lTunerCapSize);
hr = _interfaceB2C2TunerCtrl.GetTunerCapabilities(ptCaps, ref lTunerCapSize);
if (hr != 0)
{
Log.Log.Error("b2c2: Tuner Type failed:0x{0:X}", hr);
return;
}
tTunerCapabilities tc = (tTunerCapabilities)Marshal.PtrToStructure(ptCaps, typeof(tTunerCapabilities));
switch (tc.eModulation)
{
case TunerType.ttSat:
Log.Log.WriteFile("b2c2: Card type = DVBS");
_cardType = CardType.DvbS;
break;
case TunerType.ttCable:
Log.Log.WriteFile("b2c2: Card type = DVBC");
_cardType = CardType.DvbC;
break;
case TunerType.ttTerrestrial:
Log.Log.WriteFile("b2c2: Card type = DVBT");
_cardType = CardType.DvbT;
break;
case TunerType.ttATSC:
Log.Log.WriteFile("b2c2: Card type = ATSC");
_cardType = CardType.Atsc;
break;
case TunerType.ttUnknown:
Log.Log.WriteFile("b2c2: Card type = unknown?");
_cardType = CardType.Unknown;
break;
}
Marshal.FreeHGlobal(ptCaps);
// Release all used object
if (_filterB2C2Adapter != null)
{
Release.ComObject("tuner filter", _filterB2C2Adapter);
_filterB2C2Adapter = null;
}
_rotEntry.Dispose();
if (_capBuilder != null)
{
Release.ComObject("capture builder", _capBuilder);
_capBuilder = null;
}
if (_graphBuilder != null)
{
Release.ComObject("graph builder", _graphBuilder);
_graphBuilder = null;
}
}
/// <summary>
/// Builds the graph.
/// </summary>
public override void BuildGraph()
{
try
{
Log.Log.WriteFile("b2c2: build graph");
if (_graphState != GraphState.Idle)
{
Log.Log.Error("b2c2: Graph already built");
throw new TvException("Graph already built");
}
DevicesInUse.Instance.Add(_tunerDevice);
_managedThreadId = System.Threading.Thread.CurrentThread.ManagedThreadId;
_graphBuilder = (IFilterGraph2)new FilterGraph();
_rotEntry = new DsROTEntry(_graphBuilder);
_capBuilder = (ICaptureGraphBuilder2)new CaptureGraphBuilder2();
_capBuilder.SetFiltergraph(_graphBuilder);
//=========================================================================================================
// add the B2C2 specific filters
//=========================================================================================================
Log.Log.WriteFile("b2c2:CreateGraph() create B2C2 adapter");
_filterB2C2Adapter =
Activator.CreateInstance(Type.GetTypeFromCLSID(CLSID_B2C2Adapter, false)) as IBaseFilter;
Log.Log.WriteFile("b2c2: Filter instance: " + _filterB2C2Adapter);
if (_filterB2C2Adapter == null)
{
Log.Log.Error("b2c2:creategraph() _filterB2C2Adapter not found");
DevicesInUse.Instance.Remove(_tunerDevice);
return;
}
Log.Log.WriteFile("b2c2:creategraph() add filters to graph");
int hr = _graphBuilder.AddFilter(_filterB2C2Adapter, "B2C2-Source");
if (hr != 0)
{
Log.Log.Error("b2c2: FAILED to add B2C2-Adapter");
DevicesInUse.Instance.Remove(_tunerDevice);
return;
}
// get interfaces
_interfaceB2C2TunerCtrl = _filterB2C2Adapter as IB2C2MPEG2TunerCtrl4;
if (_interfaceB2C2TunerCtrl == null)
{
Log.Log.Error("b2c2: cannot get IB2C2MPEG2TunerCtrl4");
DevicesInUse.Instance.Remove(_tunerDevice);
return;
}
_interfaceB2C2DataCtrl = _filterB2C2Adapter as IB2C2MPEG2DataCtrl6;
if (_interfaceB2C2DataCtrl == null)
{
Log.Log.Error("b2c2: cannot get IB2C2MPEG2DataCtrl6");
DevicesInUse.Instance.Remove(_tunerDevice);
return;
}
hr = _interfaceB2C2DataCtrl.SelectDevice(_deviceInfo.DeviceId);
if (hr != 0)
{
Log.Log.Error("b2c2: select device failed: {0:X}", hr);
}
//=========================================================================================================
// initialize B2C2 tuner
//=========================================================================================================
Log.Log.WriteFile("b2c2: Initialize Tuner()");
hr = _interfaceB2C2TunerCtrl.Initialize();
if (hr != 0)
{
//System.Diagnostics.Debugger.Launch();
Log.Log.Error("b2c2: Tuner initialize failed:0x{0:X}", hr);
// if the B2C2 card is detected as analogue, it needs a device reset
((IMediaControl)_graphBuilder).Stop();
FreeAllSubChannels();
FilterGraphTools.RemoveAllFilters(_graphBuilder);
if (_graphBuilder != null)
{
Release.ComObject("graph builder", _graphBuilder);
_graphBuilder = null;
}
if (_capBuilder != null)
{
Release.ComObject("capBuilder", _capBuilder);
_capBuilder = null;
}
DevicesInUse.Instance.Remove(_tunerDevice);
CardPresent = false;
return;
}
// call checklock once, the return value dont matter
hr = _interfaceB2C2TunerCtrl.CheckLock();
AddTsWriterFilterToGraph();
IBaseFilter lastFilter;
ConnectInfTeeToB2C2(out lastFilter);
AddMdPlugs(ref lastFilter);
if (!ConnectTsWriter(lastFilter))
{
throw new TvExceptionGraphBuildingFailed("Graph building failed");
}
SendHwPids(new List<ushort>());
_graphState = GraphState.Created;
}
catch (Exception ex)
{
Log.Log.Write(ex);
Dispose();
_graphState = GraphState.Idle;
throw new TvExceptionGraphBuildingFailed("Graph building failed", ex);
}
}
/// <summary>
/// Disposes this instance.
/// </summary>
public override void Dispose()
{
if (_graphBuilder == null)
return;
if (!CheckThreadId())
return;
base.Dispose();
Log.Log.WriteFile("b2c2:Decompose");
_interfaceB2C2DataCtrl = null;
_interfaceB2C2TunerCtrl = null;
if (_filterB2C2Adapter != null)
{
Release.ComObject("tuner filter", _filterB2C2Adapter);
_filterB2C2Adapter = null;
}
}
