Update issue 300

Implement IPin::QueryInternalConnections in the Debug build of the
AnalyzerFilter for testing reasons.

src/filters/analyzer/filter_analyzer.cpp

@@ -28,6 +28,33 @@ class CAnalyzerInputPin : public CTransInPlaceInputPin
 	{
 	}
 
+#ifdef _DEBUG	
+	// if every Input is Connected to every Output this method should return E_NOTIMPL
+	// so this Debug-Implementation is just for testing
+	STDMETHODIMP QueryInternalConnections(IPin** apPin, ULONG* nPin)
+	{
+		if (!nPin) return E_POINTER;
+
+		if (!apPin) {
+			if (*nPin > 0) return E_POINTER;
+			*nPin = 1;
+			return S_FALSE;
+		}
+
+		if (*nPin < 1) {
+			*nPin = 1;
+			return S_FALSE;
+		}
+
+		// internaly connected to the output pin
+		apPin[0] = m_pTIPFilter->GetPin(1);
+		apPin[0]->AddRef();
+		*nPin = 1;
+
+		return S_OK;
+	}
+#endif
+
 protected:
 	CAnalyzer*		m_Analyzer;
 
@@ -120,6 +147,33 @@ class CAnalyzerOutputPin : public CTransInPlaceOutputPin
     DECLARE_IUNKNOWN
     STDMETHODIMP NonDelegatingQueryInterface(REFIID riid, __deref_out void **ppv);
 
+#ifdef _DEBUG	
+	// if every Input is Connected to every Output this method should return E_NOTIMPL
+	// so this Debug-Implementation is just for testing
+	STDMETHODIMP QueryInternalConnections(IPin** apPin, ULONG* nPin)
+	{
+		if (!nPin) return E_POINTER;
+
+		if (!apPin) {
+			if (*nPin > 0) return E_POINTER;
+			*nPin = 1;
+			return S_FALSE;
+		}
+
+		if (*nPin < 1) {
+			*nPin = 1;
+			return S_FALSE;
+		}
+
+		// internaly connected to the input pin
+		apPin[0] = m_pTIPFilter->GetPin(0);
+		apPin[0]->AddRef();
+		*nPin = 1;
+
+		return S_OK;
+	}
+#endif
+
 protected:
 	CAnalyzer*					m_Analyzer;
 	CAnalyzerPosPassThru*		m_PassThru;

src/filters/analyzer/filter_analyzer_writer.cpp

@@ -115,6 +115,15 @@ CAnalyzerWriterInput::GetAllocatorRequirements(__out ALLOCATOR_PROPERTIES*pProps
 	return S_OK;
 }
 
+STDMETHODIMP CAnalyzerWriterInput::QueryInternalConnections(IPin** apPin, ULONG* nPin)
+{
+	if (!nPin) return E_POINTER;
+
+	// this is a renderer so the pin has no internal connections
+	*nPin = 0;
+	return S_OK;
+}
+
 #pragma region IStream
 
 /*********************************************************************************************

src/filters/analyzer/filter_analyzer_writer.h

@@ -25,6 +25,7 @@ class CAnalyzerWriterInput : public CRendererInputPin, public IStream
     STDMETHODIMP NonDelegatingQueryInterface(REFIID iid, void** ppv);
 
 	STDMETHODIMP GetAllocatorRequirements(__out ALLOCATOR_PROPERTIES* pProps);
+	STDMETHODIMP QueryInternalConnections(IPin** apPin, ULONG* nPin);
 
     // IStream Methods
     STDMETHOD(Read) (void* pv, ULONG cb, ULONG* pcbRead);