private void TestGetNodeTypes()
{
int hr = 0;
int nodeTypesCount;
hr = topology.GetNodeTypes(out nodeTypesCount, 0, null);
nodeTypes = new int[nodeTypesCount];
hr = topology.GetNodeTypes(out nodeTypesCount, nodeTypes.Length, nodeTypes);
DsError.ThrowExceptionForHR(hr);
Debug.Assert((hr == 0) && (nodeTypesCount > 0), "IBDA_Topology.GetNodeTypes");
}
internal Win7APIDVBS2Handler(IBaseFilter tunerFilter)
{
IBDA_Topology topology = tunerFilter as IBDA_Topology;
if (topology == null)
{
return;
}
this.tunerFilter = tunerFilter;
int nodeTypeCount = 0;
int[] nodeTypes = new int[10];
int reply = topology.GetNodeTypes(out nodeTypeCount, 10, nodeTypes);
DsError.ThrowExceptionForHR(reply);
for (int nodeTypeIndex = 0; nodeTypeIndex < nodeTypeCount; nodeTypeIndex++)
{
int interfaceCount;
Guid[] interfaces = new Guid[32];
reply = topology.GetNodeInterfaces(nodeTypes[nodeTypeIndex], out interfaceCount, 32, interfaces);
DsError.ThrowExceptionForHR(reply);
for (int searchIndex = 0; searchIndex < interfaceCount; searchIndex++)
{
if (interfaces[searchIndex] == typeof(IBDA_DigitalDemodulator2).GUID)
{
if (RunParameters.Instance.TraceIDs.Contains("BDA"))
{
Logger.Instance.Write("BDA DVB-S2 interface located for node type " + nodeTypes[nodeTypeIndex]);
}
object controlNode;
reply = topology.GetControlNode(0, 1, nodeTypes[nodeTypeIndex], out controlNode);
DsError.ThrowExceptionForHR(reply);
commandInterface = controlNode as IBDA_DigitalDemodulator2;
if (commandInterface == null)
{
if (RunParameters.Instance.TraceIDs.Contains("BDA"))
{
Logger.Instance.Write("BDA Can't use DVB-S2 interface: cast of control node failed");
}
}
else
{
if (RunParameters.Instance.TraceIDs.Contains("BDA"))
{
Logger.Instance.Write("BDA DVB-S2 interface available");
}
return;
}
}
}
}
}
protected IBDA_DigitalDemodulator FindDemodulator(string identifier, IBaseFilter tunerFilter)
{
IBDA_Topology topology = tunerFilter as IBDA_Topology;
if (topology == null)
{
return(null);
}
int nodeTypeCount = 0;
int[] nodeTypes = new int[10];
int reply = topology.GetNodeTypes(out nodeTypeCount, 10, nodeTypes);
DsError.ThrowExceptionForHR(reply);
for (int nodeTypeIndex = 0; nodeTypeIndex < nodeTypeCount; nodeTypeIndex++)
{
int interfaceCount;
Guid[] interfaces = new Guid[32];
reply = topology.GetNodeInterfaces(nodeTypes[nodeTypeIndex], out interfaceCount, 32, interfaces);
DsError.ThrowExceptionForHR(reply);
}
for (int nodeTypeIndex = 0; nodeTypeIndex < nodeTypeCount; nodeTypeIndex++)
{
int interfaceCount;
Guid[] interfaces = new Guid[32];
reply = topology.GetNodeInterfaces(nodeTypes[nodeTypeIndex], out interfaceCount, 32, interfaces);
DsError.ThrowExceptionForHR(reply);
for (int searchIndex = 0; searchIndex < interfaceCount; searchIndex++)
{
if (interfaces[searchIndex] == typeof(IBDA_DigitalDemodulator).GUID)
{
object controlNode;
reply = topology.GetControlNode(0, 1, nodeTypes[nodeTypeIndex], out controlNode);
DsError.ThrowExceptionForHR(reply);
IBDA_DigitalDemodulator demodulator = controlNode as IBDA_DigitalDemodulator;
if (demodulator == null)
{
Logger.Instance.Write(identifier + " DVB-S2 handler: Can't get demodulator: cast of control node failed");
}
else
{
Logger.Instance.Write(identifier + " DVB-S2 handler: Demodulator interface located");
return(demodulator);
}
}
}
}
Logger.Instance.Write(identifier + " DVB-S2 handler: Failed to find demodulator interface");
return(null);
}
private void Config()
{
int hr = 0;
graphBuilder = (IFilterGraph2) new FilterGraph();
rot = new DsROTEntry(graphBuilder);
// Assume that the first device in this category IS a BDA device...
DsDevice[] devices = DsDevice.GetDevicesOfCat(FilterCategory.BDASourceFiltersCategory);
hr = graphBuilder.AddSourceFilterForMoniker(devices[0].Mon, null, devices[0].Name, out bdaTuner);
DsError.ThrowExceptionForHR(hr);
IBDA_Topology topo = (IBDA_Topology)bdaTuner;
int[] nodeTypes = new int[10];
int nodeTypesCount;
// Get all nodes in the BDA Tuner
hr = topo.GetNodeTypes(out nodeTypesCount, nodeTypes.Length, nodeTypes);
DsError.ThrowExceptionForHR(hr);
// For each nodes types
for (int i = 0; i < nodeTypesCount; i++)
{
Guid[] nodeGuid = new Guid[10];
int nodeGuidCount;
// Get its exposed interfaces
hr = topo.GetNodeInterfaces(nodeTypes[i], out nodeGuidCount, nodeGuid.Length, nodeGuid);
DsError.ThrowExceptionForHR(hr);
// For each exposed interfaces
for (int j = 0; j < nodeGuidCount; j++)
{
Debug.WriteLine(string.Format("node {0}/{1} : {2}", i, j, nodeGuid[j]));
Console.WriteLine(string.Format("node {0}/{1} : {2}", i, j, nodeGuid[j]));
// Is IBDA_AutoDemodulate supported by this node ?
if (nodeGuid[j] == typeof(IBDA_AutoDemodulate).GUID)
{
Console.WriteLine("nodetype : " + nodeTypes[i]);
// Yes, retrieve this node
object ctrlNode;
hr = topo.GetControlNode(0, 1, nodeTypes[i], out ctrlNode);
DsError.ThrowExceptionForHR(hr);
// Do the cast (it should not fail)
autoDemodulate = ctrlNode as IBDA_AutoDemodulate;
// Exit the for j loop if found a SignalStatistics object
if (autoDemodulate != null)
{
break;
}
}
}
// If already found a SignalStatistics object, exit the for i loop
if (autoDemodulate != null)
{
break;
}
}
}
private void BuildGraph()
{
int hr = 0;
graphBuilder = (IFilterGraph2) new FilterGraph();
rot = new DsROTEntry(graphBuilder);
ICaptureGraphBuilder2 capBuilder = (ICaptureGraphBuilder2) new CaptureGraphBuilder2();
capBuilder.SetFiltergraph(graphBuilder);
// Get the BDA network provider specific for this given network type
networkProvider = BDAUtils.GetNetworkProvider(networkType);
hr = graphBuilder.AddFilter(networkProvider, "BDA Network Provider");
DsError.ThrowExceptionForHR(hr);
tuner = (ITuner)networkProvider;
// Get a tuning space for this network type
tuningSpace = BDAUtils.GetTuningSpace(networkType);
hr = tuner.put_TuningSpace(tuningSpace);
DsError.ThrowExceptionForHR(hr);
// Create a tune request from this tuning space
tuneRequest = BDAUtils.CreateTuneRequest(tuningSpace);
// Is it okay ?
hr = tuner.Validate(tuneRequest);
if (hr == 0)
{
// Set it
hr = tuner.put_TuneRequest(tuneRequest);
DsError.ThrowExceptionForHR(hr);
// found a BDA Tuner and a BDA Capture that can connect to this network provider
BDAUtils.AddBDATunerAndDemodulatorToGraph(graphBuilder, networkProvider, out bdaTuner, out bdaCapture);
if ((bdaTuner != null) && (bdaCapture != null))
{
// Create and add the mpeg2 demux
mpeg2Demux = (IBaseFilter) new MPEG2Demultiplexer();
hr = graphBuilder.AddFilter(mpeg2Demux, "MPEG2 Demultiplexer");
DsError.ThrowExceptionForHR(hr);
// connect it to the BDA Capture
hr = capBuilder.RenderStream(null, null, bdaCapture, null, mpeg2Demux);
DsError.ThrowExceptionForHR(hr);
// Add the two mpeg2 transport stream helper filters
BDAUtils.AddTransportStreamFiltersToGraph(graphBuilder, out bdaTIF, out bdaSecTab);
if ((bdaTIF != null) && (bdaSecTab != null))
{
// Render all the output pins of the demux (missing filters are added)
for (int i = 0; i < 5; i++)
{
IPin pin = DsFindPin.ByDirection(mpeg2Demux, PinDirection.Output, i);
hr = graphBuilder.Render(pin);
Marshal.ReleaseComObject(pin);
}
}
IBDA_Topology topo = (IBDA_Topology)bdaTuner;
int[] nodeTypes = new int[10];
int nodeTypesCount;
// Get all nodes in the BDA Tuner
hr = topo.GetNodeTypes(out nodeTypesCount, nodeTypes.Length, nodeTypes);
DsError.ThrowExceptionForHR(hr);
// For each nodes types
for (int i = 0; i < nodeTypesCount; i++)
{
Guid[] nodeGuid = new Guid[10];
int nodeGuidCount;
// Get its exposed interfaces
hr = topo.GetNodeInterfaces(nodeTypes[i], out nodeGuidCount, nodeGuid.Length, nodeGuid);
DsError.ThrowExceptionForHR(hr);
// For each exposed interfaces
for (int j = 0; j < nodeGuidCount; j++)
{
Debug.WriteLine(string.Format("node {0}/{1} : {2}", i, j, nodeGuid[j]));
Console.WriteLine(string.Format("node {0}/{1} : {2}", i, j, nodeGuid[j]));
// Is IBDA_LNBInfo supported by this node ?
if (nodeGuid[j] == typeof(IBDA_LNBInfo).GUID)
{
// Yes, retrieve this node
object ctrlNode;
hr = topo.GetControlNode(0, 1, nodeTypes[i], out ctrlNode);
DsError.ThrowExceptionForHR(hr);
// Do the cast (it should not fail)
lnbInfo = ctrlNode as IBDA_LNBInfo;
// Exit the for j loop if found a SignalStatistics object
if (lnbInfo != null)
{
break;
}
}
}
// If already found a SignalStatistics object, exit the for i loop
if (lnbInfo != null)
{
break;
}
}
}
}
}
private void Config()
{
int hr = 0;
graph = new BdaGraph();
graph.InitializeGraph();
graph.MakeTuneRequest();
// graph.RunGraph();
IBDA_Topology topo = (IBDA_Topology)graph.bdaTuner;
int[] nodeTypes = new int[10];
int nodeTypesCount;
// Get all nodes in the BDA Tuner
hr = topo.GetNodeTypes(out nodeTypesCount, nodeTypes.Length, nodeTypes);
DsError.ThrowExceptionForHR(hr);
// For each nodes types
for (int i = 0; i < nodeTypesCount; i++)
{
Guid[] nodeGuid = new Guid[10];
int nodeGuidCount;
// Get its exposed interfaces
hr = topo.GetNodeInterfaces(nodeTypes[i], out nodeGuidCount, nodeGuid.Length, nodeGuid);
DsError.ThrowExceptionForHR(hr);
// For each exposed interfaces
for (int j = 0; j < nodeGuidCount; j++)
{
Debug.WriteLine(string.Format("node {0}/{1} : {2}", i, j, nodeGuid[j]));
Console.WriteLine(string.Format("node {0}/{1} : {2}", i, j, nodeGuid[j]));
// Is IBDA_AutoDemodulate supported by this node ?
if (nodeGuid[j] == typeof(IBDA_AutoDemodulateEx).GUID)
{
Console.WriteLine("nodetype : " + nodeTypes[i]);
// Yes, retrieve this node
object ctrlNode;
hr = topo.GetControlNode(0, 1, nodeTypes[i], out ctrlNode);
DsError.ThrowExceptionForHR(hr);
// Do the cast (it should not fail)
autoDemodulateEx = ctrlNode as IBDA_AutoDemodulateEx;
// Exit the for j loop if found a SignalStatistics object
if (autoDemodulateEx != null)
{
break;
}
}
}
// If already found a SignalStatistics object, exit the for i loop
if (autoDemodulateEx != null)
{
break;
}
}
Debug.Assert(autoDemodulateEx != null, "Can't find a node supporting IBDA_AutoDemodulateEx");
}