[KSPROXY]

- Implement IKsDataTypeHandler::KsIsMediaTypeInRanges, IKsDataTypeHandler::KsSetMediaType
- Instantiate the IKsInterfaceHandler for the CInputPin 


svn path=/trunk/; revision=46208

reactos/dll/directx/ksproxy/datatype.cpp

@@ -42,12 +42,25 @@ public:
     HRESULT STDMETHODCALLTYPE KsQueryExtendedSize(OUT ULONG* ExtendedSize);
     HRESULT STDMETHODCALLTYPE KsSetMediaType(IN const AM_MEDIA_TYPE* AmMediaType);
 
-    CKsDataTypeHandler() : m_Ref(0){};
+    CKsDataTypeHandler() : m_Ref(0), m_Type(0){};
-    virtual ~CKsDataTypeHandler(){};
+    virtual ~CKsDataTypeHandler()
+    {
+        if (m_Type)
+        {
+            if (m_Type->pbFormat)
+                CoTaskMemFree(m_Type->pbFormat);
+
+            if (m_Type->pUnk)
+                m_Type->pUnk->Release();
+
+            CoTaskMemFree(m_Type);
+        }
+
+    };
 
 protected:
-    //CMediaType * m_Type;
     LONG m_Ref;
+    AM_MEDIA_TYPE * m_Type;
 };
 
 
@@ -85,8 +98,68 @@ STDMETHODCALLTYPE
 CKsDataTypeHandler::KsIsMediaTypeInRanges(
     IN PVOID DataRanges)
 {
-    OutputDebugString("UNIMPLEMENTED\n");
+    PKSMULTIPLE_ITEM DataList;
-    return E_NOTIMPL;
+    PKSDATARANGE DataRange;
+    ULONG Index;
+    HRESULT hr = S_FALSE;
+
+    OutputDebugStringW(L"CKsDataTypeHandler::KsIsMediaTypeInRanges\n");
+
+    DataList = (PKSMULTIPLE_ITEM)DataRanges;
+    DataRange = (PKSDATARANGE)(DataList + 1);
+
+    for(Index = 0; Index < DataList->Count; Index++)
+    {
+        BOOL bMatch = FALSE;
+
+        if (DataRange->FormatSize >= sizeof(KSDATARANGE))
+        {
+            bMatch = IsEqualGUID(DataRange->MajorFormat, GUID_NULL);
+        }
+
+        if (!bMatch && DataRange->FormatSize >= sizeof(KSDATARANGE_AUDIO))
+        {
+            bMatch = IsEqualGUID(DataRange->MajorFormat, MEDIATYPE_Audio);
+        }
+
+        if (bMatch)
+        {
+            if (IsEqualGUID(DataRange->SubFormat, m_Type->subtype) ||
+                IsEqualGUID(DataRange->SubFormat, GUID_NULL))
+            {
+                if (IsEqualGUID(DataRange->Specifier, m_Type->formattype) ||
+                    IsEqualGUID(DataRange->Specifier, GUID_NULL))
+                {
+                    if (!IsEqualGUID(m_Type->formattype, FORMAT_WaveFormatEx) && !IsEqualGUID(DataRange->Specifier, FORMAT_WaveFormatEx))
+                    {
+                        //found match
+                        hr = S_OK;
+                        break;
+                    }
+
+                    if (DataRange->FormatSize >= sizeof(KSDATARANGE_AUDIO) && m_Type->cbFormat >= sizeof(WAVEFORMATEX))
+                    {
+                        LPWAVEFORMATEX Format = (LPWAVEFORMATEX)m_Type->pbFormat;
+                        PKSDATARANGE_AUDIO AudioRange = (PKSDATARANGE_AUDIO)DataRange;
+
+                        if (Format->nSamplesPerSec >= AudioRange->MinimumSampleFrequency &&
+                            Format->nSamplesPerSec <= AudioRange->MaximumSampleFrequency &&
+                            Format->wBitsPerSample >= AudioRange->MinimumSampleFrequency &&
+                            Format->wBitsPerSample <= AudioRange->MaximumBitsPerSample && 
+                            Format->nChannels <= AudioRange->MaximumChannels)
+                        {
+                            // found match
+                            hr = S_OK;
+                            break;
+                        }
+                    }
+                }
+            }
+        }
+
+        DataRange = (PKSDATARANGE)(((ULONG_PTR)DataRange + DataRange->FormatSize + 7) & ~7);
+    }
+    return S_OK;
 }
 
 HRESULT
@@ -106,7 +179,6 @@ CKsDataTypeHandler::KsQueryExtendedSize(
 {
     /* no header extension required */
     *ExtendedSize = 0;
-
     return NOERROR;
 }
 
@@ -115,19 +187,38 @@ STDMETHODCALLTYPE
 CKsDataTypeHandler::KsSetMediaType(
     IN const AM_MEDIA_TYPE* AmMediaType)
 {
-#if 0
+    OutputDebugString("CKsDataTypeHandler::KsSetMediaType\n");
+
     if (m_Type)
     {
         /* media type can only be set once */
         return E_FAIL;
     }
-#endif
 
-    /*
+    m_Type = (AM_MEDIA_TYPE*)CoTaskMemAlloc(sizeof(AM_MEDIA_TYPE));
-     * TODO: allocate CMediaType and copy parameters
+    if (!m_Type)
-     */
+        return E_OUTOFMEMORY;
-    OutputDebugString("UNIMPLEMENTED\n");
+
-    return E_NOTIMPL;
+    CopyMemory(m_Type, AmMediaType, sizeof(AM_MEDIA_TYPE));
+
+    if (m_Type->cbFormat)
+    {
+        m_Type->pbFormat = (BYTE*)CoTaskMemAlloc(m_Type->cbFormat);
+
+        if (!m_Type->pbFormat)
+        {
+            CoTaskMemFree(m_Type);
+            return E_OUTOFMEMORY;
+        }
+
+        CopyMemory(m_Type->pbFormat, AmMediaType->pbFormat, m_Type->cbFormat);
+    }
+
+    if (m_Type->pUnk)
+        m_Type->pUnk->AddRef();
+
+
+    return S_OK;
 }
 
 HRESULT
@@ -138,7 +229,6 @@ CKsDataTypeHandler_Constructor (
     LPVOID * ppv)
 {
     OutputDebugStringW(L"CKsDataTypeHandler_Constructor\n");
-
     CKsDataTypeHandler * handler = new CKsDataTypeHandler();
 
     if (!handler)

reactos/dll/directx/ksproxy/input_pin.cpp

@@ -143,7 +143,7 @@ public:
     HRESULT STDMETHODCALLTYPE CheckFormat(const AM_MEDIA_TYPE *pmt);
     HRESULT STDMETHODCALLTYPE CreatePin(const AM_MEDIA_TYPE *pmt);
     HRESULT STDMETHODCALLTYPE CreatePinHandle(PKSPIN_MEDIUM Medium, PKSPIN_INTERFACE Interface, const AM_MEDIA_TYPE *pmt);
-    CInputPin(IBaseFilter * ParentFilter, LPCWSTR PinName, HANDLE hFilter, ULONG PinId, KSPIN_COMMUNICATION Communication) : m_Ref(0), m_ParentFilter(ParentFilter), m_PinName(PinName), m_hFilter(hFilter), m_hPin(INVALID_HANDLE_VALUE), m_PinId(PinId), m_MemAllocator(0), m_IoCount(0), m_Communication(Communication), m_Pin(0), m_ReadOnly(0){};
+    CInputPin(IBaseFilter * ParentFilter, LPCWSTR PinName, HANDLE hFilter, ULONG PinId, KSPIN_COMMUNICATION Communication) : m_Ref(0), m_ParentFilter(ParentFilter), m_PinName(PinName), m_hFilter(hFilter), m_hPin(INVALID_HANDLE_VALUE), m_PinId(PinId), m_MemAllocator(0), m_IoCount(0), m_Communication(Communication), m_Pin(0), m_ReadOnly(0), m_InterfaceHandler(0){};
     virtual ~CInputPin(){};
 
 protected:
@@ -159,6 +159,7 @@ protected:
     KSPIN_INTERFACE m_Interface;
     KSPIN_MEDIUM m_Medium;
     IPin * m_Pin;
+    IKsInterfaceHandler * m_InterfaceHandler;
     BOOL m_ReadOnly;
 };
 
@@ -666,16 +667,17 @@ CInputPin::ReceiveConnection(IPin *pConnector, const AM_MEDIA_TYPE *pmt)
 
     if (m_Pin)
     {
+        // already connected
         return VFW_E_ALREADY_CONNECTED;
     }
 
     // first check format
     hr = CheckFormat(pmt);
     if (FAILED(hr))
+    {
+        // format is not supported
         return hr;
-
+    }
-    if (FAILED(CheckFormat(pmt)))
-        return hr;
 
     hr = CreatePin(pmt);
     if (FAILED(hr))
@@ -683,9 +685,8 @@ CInputPin::ReceiveConnection(IPin *pConnector, const AM_MEDIA_TYPE *pmt)
         return hr;
     }
 
-    //FIXME create pin
+    m_Pin = pConnector;
-   m_Pin = pConnector;
+    m_Pin->AddRef();
-   m_Pin->AddRef();
 
     return S_OK;
 }
@@ -925,6 +926,7 @@ CInputPin::CreatePin(
     PKSMULTIPLE_ITEM InterfaceList;
     PKSPIN_MEDIUM Medium;
     PKSPIN_INTERFACE Interface;
+    IKsInterfaceHandler * InterfaceHandler;
     HRESULT hr;
 
     // query for pin medium
@@ -963,8 +965,43 @@ CInputPin::CreatePin(
         Interface = &StandardPinInterface;
     }
 
-    // now create pin
+    if (m_Communication != KSPIN_COMMUNICATION_BRIDGE && m_Communication != KSPIN_COMMUNICATION_NONE)
-    hr = CreatePinHandle(Medium, Interface, pmt);
+    {
+        // now load the IKsInterfaceHandler plugin
+        hr = CoCreateInstance(Interface->Set, NULL, CLSCTX_INPROC_SERVER, IID_IKsInterfaceHandler, (void**)&InterfaceHandler);
+        if (FAILED(hr))
+        {
+            // failed to load interface handler plugin
+            OutputDebugStringW(L"CInputPin::CreatePin failed to load InterfaceHandlerPlugin\n");
+            CoTaskMemFree(MediumList);
+            CoTaskMemFree(InterfaceList);
+
+            return hr;
+        }
+
+        // now set the pin
+        hr = InterfaceHandler->KsSetPin((IKsPin*)this);
+        if (FAILED(hr))
+        {
+            // failed to load interface handler plugin
+            OutputDebugStringW(L"CInputPin::CreatePin failed to initialize InterfaceHandlerPlugin\n");
+            InterfaceHandler->Release();
+            CoTaskMemFree(MediumList);
+            CoTaskMemFree(InterfaceList);
+            return hr;
+        }
+
+        // store interface handler
+        m_InterfaceHandler = InterfaceHandler;
+
+        // now create pin
+        hr = CreatePinHandle(Medium, Interface, pmt);
+        if (FAILED(hr))
+        {
+            m_InterfaceHandler->Release();
+            m_InterfaceHandler = InterfaceHandler;
+        }
+    }
 
     // free medium / interface / dataformat
     CoTaskMemFree(MediumList);

reactos/dll/directx/ksproxy/interface.cpp

@@ -247,12 +247,9 @@ CKsInterfaceHandler::KsProcessMediaSamples(
 
              //release IMediaSample2 interface
              MediaSample->Release();
-             if (FAILED(hr))
-				 OutputDebugStringW(L"CKsInterfaceHandler::KsProcessMediaSamples MediaSample::GetProperties failed\n");
          }
          else
          {
-				 OutputDebugStringW(L"CKsInterfaceHandler::KsProcessMediaSamples MediaSample:: only IMediaSample supported\n");
              // get properties
              hr = SampleList[Index]->GetPointer((BYTE**)&Properties.pbBuffer);
              assert(hr == NOERROR);
@@ -272,7 +269,7 @@ CKsInterfaceHandler::KsProcessMediaSamples(
          }
 
          WCHAR Buffer[100];
-		 swprintf(Buffer, L"BufferLength %lu Property Buffer %p ExtendedSize %u lActual %u\n", Properties.cbBuffer, Properties.pbBuffer, ExtendedSize, Properties.lActual);
+         swprintf(Buffer, L"BufferLength %lu Property Buffer %p ExtendedSize %u lActual %u\n", Properties.cbBuffer, Properties.pbBuffer, ExtendedSize, Properties.lActual);
          OutputDebugStringW(Buffer);
 
          CurStreamHeader->Size = sizeof(KSSTREAM_HEADER) + ExtendedSize;

reactos/dll/directx/ksproxy/ksproxy.cpp

@@ -13,10 +13,10 @@
 
 const GUID CLSID_KsClockForwarder              = {0x877e4351, 0x6fea, 0x11d0, {0xb8, 0x63, 0x00, 0xaa, 0x00, 0xa2, 0x16, 0xa1}};
 const GUID CLSID_KsQualityForwarder            = {0xe05592e4, 0xc0b5, 0x11d0, {0xa4, 0x39, 0x00, 0xa0, 0xc9, 0x22, 0x31, 0x96}};
-const GUID CLSID_KsIBasicAudioInterfaceHandler = {0xb9f8ac3e, 0x0f71, 0x11d2, {0xb7, 0x2c, 0x00, 0xc0, 0x4f, 0xb6, 0xbd, 0x3d}};
 
 
 #ifndef _MSC_VER
+const GUID CLSID_KsIBasicAudioInterfaceHandler = {0xb9f8ac3e, 0x0f71, 0x11d2, {0xb7, 0x2c, 0x00, 0xc0, 0x4f, 0xb6, 0xbd, 0x3d}};
 const GUID KSPROPSETID_Pin                     = {0x8C134960, 0x51AD, 0x11CF, {0x87, 0x8A, 0x94, 0xF8, 0x01, 0xC1, 0x00, 0x00}};
 const GUID KSINTERFACESETID_Standard           = {STATIC_KSINTERFACESETID_Standard};
 const GUID CLSID_Proxy                         = {0x17CCA71B, 0xECD7, 0x11D0, {0xB9, 0x08, 0x00, 0xA0, 0xC9, 0x22, 0x31, 0x96}};

reactos/dll/directx/ksproxy/output_pin.cpp

@@ -21,6 +21,7 @@ class COutputPin : public IPin,
 //                   public IKsPinPipe,
                    public IKsControl
 /*
+                  public IAMBufferNegotiation,
                   public IQualityControl,
                   public IKsPinEx,
                   public IKsAggregateControl
@@ -142,51 +143,55 @@ COutputPin::QueryInterface(
     if (IsEqualGUID(refiid, IID_IUnknown) ||
         IsEqualGUID(refiid, IID_IPin))
     {
+        OutputDebugStringW(L"COutputPin::QueryInterface IID_IPin\n");
         *Output = PVOID(this);
         reinterpret_cast<IUnknown*>(*Output)->AddRef();
         return NOERROR;
     }
     else if (IsEqualGUID(refiid, IID_IKsObject))
     {
+        OutputDebugStringW(L"COutputPin::QueryInterface IID_IKsObject\n");
         *Output = (IKsObject*)(this);
         reinterpret_cast<IKsObject*>(*Output)->AddRef();
         return NOERROR;
     }
     else if (IsEqualGUID(refiid, IID_IKsPropertySet))
     {
+        OutputDebugStringW(L"COutputPin::QueryInterface IID_IKsPropertySet\n");
+        DebugBreak();
         *Output = (IKsPropertySet*)(this);
         reinterpret_cast<IKsPropertySet*>(*Output)->AddRef();
         return NOERROR;
     }
     else if (IsEqualGUID(refiid, IID_IKsControl))
     {
+        OutputDebugStringW(L"COutputPin::QueryInterface IID_IKsControl\n");
         *Output = (IKsControl*)(this);
         reinterpret_cast<IKsControl*>(*Output)->AddRef();
         return NOERROR;
     }
+#if 0
     else if (IsEqualGUID(refiid, IID_IStreamBuilder))
     {
         *Output = (IStreamBuilder*)(this);
         reinterpret_cast<IStreamBuilder*>(*Output)->AddRef();
         return NOERROR;
     }
+#endif
     else if (IsEqualGUID(refiid, IID_IKsPinFactory))
     {
+        OutputDebugStringW(L"COutputPin::QueryInterface IID_IKsPinFactory\n");
         *Output = (IKsPinFactory*)(this);
         reinterpret_cast<IKsPinFactory*>(*Output)->AddRef();
         return NOERROR;
     }
     else if (IsEqualGUID(refiid, IID_ISpecifyPropertyPages))
     {
+        OutputDebugStringW(L"COutputPin::QueryInterface IID_ISpecifyPropertyPages\n");
         *Output = (ISpecifyPropertyPages*)(this);
         reinterpret_cast<ISpecifyPropertyPages*>(*Output)->AddRef();
         return NOERROR;
     }
-    else if (IsEqualGUID(refiid, IID_IBaseFilter))
-    {
-        OutputDebugStringW(L"COutputPin::QueryInterface query IID_IBaseFilter\n");
-        DebugBreak();
-    }
 
     WCHAR Buffer[MAX_PATH];
     LPOLESTR lpstr;
@@ -226,6 +231,7 @@ STDMETHODCALLTYPE
 COutputPin::KsPinFactory(
     ULONG* PinFactory)
 {
+    OutputDebugStringW(L"COutputPin::KsPinFactory\n");
     *PinFactory = m_PinId;
     return S_OK;
 }
@@ -241,6 +247,7 @@ COutputPin::Render(
     IPin *ppinOut,
     IGraphBuilder *pGraph)
 {
+    OutputDebugStringW(L"COutputPin::Render\n");
     return S_OK;
 }
 
@@ -250,6 +257,7 @@ COutputPin::Backout(
     IPin *ppinOut, 
     IGraphBuilder *pGraph)
 {
+    OutputDebugStringW(L"COutputPin::Backout\n");
     return S_OK;
 }
 //-------------------------------------------------------------------
@@ -259,6 +267,7 @@ HANDLE
 STDMETHODCALLTYPE
 COutputPin::KsGetObjectHandle()
 {
+    OutputDebugStringW(L"COutputPin::KsGetObjectHandle\n");
     assert(m_hPin);
     return m_hPin;
 }
@@ -276,6 +285,7 @@ COutputPin::KsProperty(
     ULONG* BytesReturned)
 {
     assert(m_hPin != 0);
+    OutputDebugStringW(L"COutputPin::KsProperty\n");
     return KsSynchronousDeviceControl(m_hPin, IOCTL_KS_PROPERTY, (PVOID)Property, PropertyLength, (PVOID)PropertyData, DataLength, BytesReturned);
 }
 
@@ -289,6 +299,7 @@ COutputPin::KsMethod(
     ULONG* BytesReturned)
 {
     assert(m_hPin != 0);
+    OutputDebugStringW(L"COutputPin::KsMethod\n");
     return KsSynchronousDeviceControl(m_hPin, IOCTL_KS_METHOD, (PVOID)Method, MethodLength, (PVOID)MethodData, DataLength, BytesReturned);
 }
 
@@ -303,6 +314,8 @@ COutputPin::KsEvent(
 {
     assert(m_hPin != 0);
 
+    OutputDebugStringW(L"COutputPin::KsEvent\n");
+
     if (EventLength)
         return KsSynchronousDeviceControl(m_hPin, IOCTL_KS_ENABLE_EVENT, (PVOID)Event, EventLength, (PVOID)EventData, DataLength, BytesReturned);
     else
@@ -325,6 +338,8 @@ COutputPin::Set(
 {
     ULONG BytesReturned;
 
+    OutputDebugStringW(L"COutputPin::Set\n");
+
     if (cbInstanceData)
     {
         PKSPROPERTY Property = (PKSPROPERTY)CoTaskMemAlloc(sizeof(KSPROPERTY) + cbInstanceData);
@@ -367,6 +382,8 @@ COutputPin::Get(
 {
     ULONG BytesReturned;
 
+    OutputDebugStringW(L"COutputPin::Get\n");
+
     if (cbInstanceData)
     {
         PKSPROPERTY Property = (PKSPROPERTY)CoTaskMemAlloc(sizeof(KSPROPERTY) + cbInstanceData);
@@ -406,6 +423,8 @@ COutputPin::QuerySupported(
     KSPROPERTY Property;
     ULONG BytesReturned;
 
+    OutputDebugStringW(L"COutputPin::QuerySupported\n");
+
     Property.Set = guidPropSet;
     Property.Id = dwPropID;
     Property.Flags = KSPROPERTY_TYPE_SETSUPPORT;
@@ -470,12 +489,15 @@ HRESULT
 STDMETHODCALLTYPE
 COutputPin::ReceiveConnection(IPin *pConnector, const AM_MEDIA_TYPE *pmt)
 {
+    OutputDebugStringW(L"COutputPin::ReceiveConnection\n");
     return E_UNEXPECTED;
 }
 HRESULT
 STDMETHODCALLTYPE
 COutputPin::Disconnect( void)
 {
+   OutputDebugStringW(L"COutputPin::Disconnect\n");
+
     if (!m_Pin)
     {
         // pin was not connected
@@ -495,6 +517,8 @@ HRESULT
 STDMETHODCALLTYPE
 COutputPin::ConnectedTo(IPin **pPin)
 {
+   OutputDebugStringW(L"COutputPin::ConnectedTo\n");
+
     if (!pPin)
         return E_POINTER;
 
@@ -520,6 +544,8 @@ HRESULT
 STDMETHODCALLTYPE
 COutputPin::QueryPinInfo(PIN_INFO *pInfo)
 {
+    OutputDebugStringW(L"COutputPin::QueryPinInfo\n");
+
     wcscpy(pInfo->achName, m_PinName);
     pInfo->dir = PINDIR_OUTPUT;
     pInfo->pFilter = m_ParentFilter;
@@ -531,6 +557,8 @@ HRESULT
 STDMETHODCALLTYPE
 COutputPin::QueryDirection(PIN_DIRECTION *pPinDir)
 {
+    OutputDebugStringW(L"COutputPin::QueryDirection\n");
+
     if (pPinDir)
     {
         *pPinDir = PINDIR_OUTPUT;
@@ -543,6 +571,8 @@ HRESULT
 STDMETHODCALLTYPE
 COutputPin::QueryId(LPWSTR *Id)
 {
+    OutputDebugStringW(L"COutputPin::QueryId\n");
+
     *Id = (LPWSTR)CoTaskMemAlloc((wcslen(m_PinName)+1)*sizeof(WCHAR));
     if (!*Id)
         return E_OUTOFMEMORY;
@@ -580,10 +610,10 @@ COutputPin::EnumMediaTypes(IEnumMediaTypes **ppEnum)
     // query media type count
     hr = KsGetMediaTypeCount(hFilter, m_PinId, &MediaTypeCount);
     if (FAILED(hr) || !MediaTypeCount)
-	{
+    {
         OutputDebugStringW(L"COutputPin::EnumMediaTypes failed1\n");
         return hr;
-	}
+    }
 
     // allocate media types
     MediaTypes = (AM_MEDIA_TYPE*)CoTaskMemAlloc(sizeof(AM_MEDIA_TYPE) * MediaTypeCount);
@@ -605,7 +635,7 @@ COutputPin::EnumMediaTypes(IEnumMediaTypes **ppEnum)
         {
             // failed
             CoTaskMemFree(MediaTypes);
-        OutputDebugStringW(L"COutputPin::EnumMediaTypes failed2\n");
+            OutputDebugStringW(L"COutputPin::EnumMediaTypes failed\n");
             return hr;
         }
     }

reactos/dll/directx/ksproxy/precomp.h

@@ -19,6 +19,7 @@
 #include <stdio.h>
 #include <vector>
 #include <assert.h>
+#include <ksmedia.h>
 //#include <debug.h>
 
 

reactos/dll/directx/ksproxy/proxy.cpp

@@ -1509,6 +1509,7 @@ STDMETHODCALLTYPE
 CKsProxy::SetRate(
     double dRate)
 {
+    OutputDebugStringW(L"CKsProxy::SetRate\n");
     return E_NOTIMPL;
 }
 
@@ -1517,6 +1518,7 @@ STDMETHODCALLTYPE
 CKsProxy::GetRate(
     double *pdRate)
 {
+    OutputDebugStringW(L"CKsProxy::GetRate\n");
     return E_NOTIMPL;
 }
 
@@ -1619,6 +1621,7 @@ CKsProxy::KsProperty(
     ULONG* BytesReturned)
 {
     assert(m_hDevice != 0);
+    OutputDebugStringW(L"CKsProxy::KsProperty\n");
     return KsSynchronousDeviceControl(m_hDevice, IOCTL_KS_PROPERTY, (PVOID)Property, PropertyLength, (PVOID)PropertyData, DataLength, BytesReturned);
 }
 
@@ -1632,6 +1635,7 @@ CKsProxy::KsMethod(
     ULONG* BytesReturned)
 {
     assert(m_hDevice != 0);
+    OutputDebugStringW(L"CKsProxy::KsMethod\n");
     return KsSynchronousDeviceControl(m_hDevice, IOCTL_KS_METHOD, (PVOID)Method, MethodLength, (PVOID)MethodData, DataLength, BytesReturned);
 }
 
@@ -1645,7 +1649,7 @@ CKsProxy::KsEvent(
     ULONG* BytesReturned)
 {
     assert(m_hDevice != 0);
-
+    OutputDebugStringW(L"CKsProxy::KsEvent\n");
     if (EventLength)
         return KsSynchronousDeviceControl(m_hDevice, IOCTL_KS_ENABLE_EVENT, (PVOID)Event, EventLength, (PVOID)EventData, DataLength, BytesReturned);
     else
@@ -1668,6 +1672,8 @@ CKsProxy::Set(
 {
     ULONG BytesReturned;
 
+    OutputDebugStringW(L"CKsProxy::Set\n");
+
     if (cbInstanceData)
     {
         PKSPROPERTY Property = (PKSPROPERTY)CoTaskMemAlloc(sizeof(KSPROPERTY) + cbInstanceData);
@@ -1710,6 +1716,8 @@ CKsProxy::Get(
 {
     ULONG BytesReturned;
 
+    OutputDebugStringW(L"CKsProxy::Get\n");
+
     if (cbInstanceData)
     {
         PKSPROPERTY Property = (PKSPROPERTY)CoTaskMemAlloc(sizeof(KSPROPERTY) + cbInstanceData);
@@ -1749,6 +1757,8 @@ CKsProxy::QuerySupported(
     KSPROPERTY Property;
     ULONG BytesReturned;
 
+    OutputDebugStringW(L"CKsProxy::QuerySupported\n");
+
     Property.Set = guidPropSet;
     Property.Id = dwPropID;
     Property.Flags = KSPROPERTY_TYPE_SETSUPPORT;
@@ -1930,6 +1940,9 @@ HRESULT
 STDMETHODCALLTYPE
 CKsProxy::DeviceInfo(CLSID *pclsidInterfaceClass, LPWSTR *pwszSymbolicLink)
 {
+
+    OutputDebugStringW(L"CKsProxy::DeviceInfo\n");
+
     if (!m_DevicePath)
     {
         // object not initialized
@@ -1953,6 +1966,8 @@ HRESULT
 STDMETHODCALLTYPE
 CKsProxy::Reassociate(void)
 {
+    OutputDebugStringW(L"CKsProxy::Reassociate\n");
+
     if (!m_DevicePath || m_hDevice)
     {
         // file path not available
@@ -1974,6 +1989,8 @@ HRESULT
 STDMETHODCALLTYPE
 CKsProxy::Disassociate(void)
 {
+    OutputDebugStringW(L"CKsProxy::Disassociate\n");
+
     if (!m_hDevice)
         return E_HANDLE;
 
@@ -1990,6 +2007,7 @@ HANDLE
 STDMETHODCALLTYPE
 CKsProxy::KsGetClockHandle()
 {
+    OutputDebugStringW(L"CKsProxy::KsGetClockHandle\n");
     return m_hClock;
 }
 
@@ -2002,6 +2020,7 @@ HANDLE
 STDMETHODCALLTYPE
 CKsProxy::KsGetObjectHandle()
 {
+    OutputDebugStringW(L"CKsProxy::KsGetObjectHandle\n");
     return m_hDevice;
 }
 
@@ -2012,6 +2031,7 @@ HRESULT
 STDMETHODCALLTYPE
 CKsProxy::InitNew( void)
 {
+    OutputDebugStringW(L"CKsProxy::InitNew\n");
     return S_OK;
 }
 
@@ -2384,6 +2404,7 @@ CKsProxy::Load(IPropertyBag *pPropBag, IErrorLog *pErrorLog)
     HDEVINFO hList;
     SP_DEVICE_INTERFACE_DATA DeviceInterfaceData;
 
+    OutputDebugStringW(L"CKsProxy::Load\n");
 
     // read device path
     varName.vt = VT_BSTR;
@@ -2396,6 +2417,10 @@ CKsProxy::Load(IPropertyBag *pPropBag, IErrorLog *pErrorLog)
         return MAKE_HRESULT(SEVERITY_ERROR, FACILITY_WIN32, GetLastError());
     }
 
+    OutputDebugStringW(L"DevicePath: ");
+    OutputDebugStringW(varName.bstrVal);
+    OutputDebugStringW(L"\n");
+
     // create device list
     hList = SetupDiCreateDeviceInfoListExW(NULL, NULL, NULL, NULL);
     if (hList == INVALID_HANDLE_VALUE)
@@ -2463,6 +2488,7 @@ HRESULT
 STDMETHODCALLTYPE
 CKsProxy::Save(IPropertyBag *pPropBag, BOOL fClearDirty, BOOL fSaveAllProperties)
 {
+    OutputDebugStringW(L"CKsProxy::Save\n");
     return E_NOTIMPL;
 }
 
@@ -2532,7 +2558,7 @@ CKsProxy::SetSyncSource(
     PIN_DIRECTION PinDir;
 
 // Plug In Distributor: IKsClock 
-
+    OutputDebugStringW(L"CKsProxy::SetSyncSource\n");
 
     // FIXME
     // need locks
@@ -2624,6 +2650,8 @@ STDMETHODCALLTYPE
 CKsProxy::GetSyncSource(
     IReferenceClock **pClock)
 {
+    OutputDebugStringW(L"CKsProxy::GetSyncSource\n");
+
     if (!pClock)
         return E_POINTER;
 
@@ -2639,6 +2667,7 @@ STDMETHODCALLTYPE
 CKsProxy::EnumPins(
     IEnumPins **ppEnum)
 {
+    OutputDebugStringW(L"CKsProxy::EnumPins\n");
     return CEnumPins_fnConstructor(m_Pins, IID_IEnumPins, (void**)ppEnum);
 }
 
@@ -2649,6 +2678,8 @@ CKsProxy::FindPin(
 {
     ULONG PinId;
 
+    OutputDebugStringW(L"CKsProxy::FindPin\n");
+
     if (!ppPin)
         return E_POINTER;
 
@@ -2683,6 +2714,8 @@ CKsProxy::QueryFilterInfo(
     if (!pInfo)
         return E_POINTER;
 
+    OutputDebugStringW(L"CKsProxy::QueryFilterInfo\n");
+
     pInfo->achName[0] = L'\0';
     pInfo->pGraph = m_pGraph;
 
@@ -2698,6 +2731,8 @@ CKsProxy::JoinFilterGraph(
     IFilterGraph *pGraph,
     LPCWSTR pName)
 {
+    OutputDebugStringW(L"CKsProxy::JoinFilterGraph\n");
+
     if (pGraph)
     {
         // joining filter graph
@@ -2718,6 +2753,7 @@ STDMETHODCALLTYPE
 CKsProxy::QueryVendorInfo(
     LPWSTR *pVendorInfo)
 {
+    OutputDebugStringW(L"CKsProxy::QueryVendorInfo\n");
     return StringFromCLSID(CLSID_Proxy, pVendorInfo);
 }