Implemented IFilterGraphImpl_EnumFilters and IEnumFilters interface.

dlls/quartz/Makefile.in

@@ -9,6 +9,7 @@ EXTRALIBS = -luuid $(LIBUNICODE)
 C_SRCS = \
 	avisplit.c \
 	control.c \
+	enumfilters.c \
 	enummedia.c \
 	enummoniker.c \
 	enumpins.c \

dlls/quartz/enumfilters.c

+/*
+ * Implementation of IEnumFilters Interface
+ *
+ * Copyright 2004 Christian Costa
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#include "quartz_private.h"
+
+#include "wine/debug.h"
+
+WINE_DEFAULT_DEBUG_CHANNEL(quartz);
+
+typedef struct IEnumFiltersImpl
+{
+    const IEnumFiltersVtbl * lpVtbl;
+    ULONG refCount;
+    IBaseFilter ** ppFilters;
+    int nFilters;
+    ULONG uIndex;
+} IEnumFiltersImpl;
+
+static const struct IEnumFiltersVtbl IEnumFiltersImpl_Vtbl;
+
+HRESULT IEnumFiltersImpl_Construct(IBaseFilter ** ppFilters, ULONG nFilters, IEnumFilters ** ppEnum)
+{
+    /* Note: The incoming IBaseFilter interfaces are not AddRef'd here as in Windows,
+     * they should have been previously AddRef'd. */
+    IEnumFiltersImpl * pEnumFilters = CoTaskMemAlloc(sizeof(IEnumFiltersImpl));
+
+    TRACE("(%p, %ld, %p)\n", ppFilters, nFilters, ppEnum);
+
+    *ppEnum = NULL;
+
+    if (!pEnumFilters)
+    {
+        return E_OUTOFMEMORY;
+    }
+
+    pEnumFilters->lpVtbl = &IEnumFiltersImpl_Vtbl;
+    pEnumFilters->refCount = 1;
+    pEnumFilters->uIndex = 0;
+    pEnumFilters->nFilters = nFilters;
+    pEnumFilters->ppFilters = CoTaskMemAlloc(sizeof(IBaseFilter*) * nFilters);
+    if (!pEnumFilters->ppFilters)
+    {
+	CoTaskMemFree(pEnumFilters);
+	return E_OUTOFMEMORY;
+    }
+
+    memcpy(pEnumFilters->ppFilters, ppFilters, nFilters * sizeof(IBaseFilter*));
+
+    *ppEnum = (IEnumFilters *)(&pEnumFilters->lpVtbl);
+    return S_OK;
+}
+
+static HRESULT WINAPI IEnumFiltersImpl_QueryInterface(IEnumFilters * iface, REFIID riid, LPVOID * ppv)
+{
+    TRACE("(%p)->(%s, %p)\n", iface, qzdebugstr_guid(riid), ppv);
+
+    *ppv = NULL;
+
+    if (IsEqualIID(riid, &IID_IUnknown))
+        *ppv = (LPVOID)iface;
+    else if (IsEqualIID(riid, &IID_IEnumFilters))
+        *ppv = (LPVOID)iface;
+
+    if (*ppv)
+    {
+        IUnknown_AddRef((IUnknown *)(*ppv));
+        return S_OK;
+    }
+
+    FIXME("No interface for %s!\n", qzdebugstr_guid(riid));
+
+    return E_NOINTERFACE;
+}
+
+static ULONG WINAPI IEnumFiltersImpl_AddRef(IEnumFilters * iface)
+{
+    ICOM_THIS(IEnumFiltersImpl, iface);
+    TRACE("(%p)->()\n", iface);
+    return ++This->refCount;
+}
+
+static ULONG WINAPI IEnumFiltersImpl_Release(IEnumFilters * iface)
+{
+    ICOM_THIS(IEnumFiltersImpl, iface);
+    TRACE("(%p)->()\n", iface);
+    if (!--This->refCount)
+    {
+        CoTaskMemFree(This->ppFilters);
+        CoTaskMemFree(This);
+        return 0;
+    }
+    else
+        return This->refCount;
+}
+
+static HRESULT WINAPI IEnumFiltersImpl_Next(IEnumFilters * iface, ULONG cFilters, IBaseFilter ** ppFilters, ULONG * pcFetched)
+{
+    ULONG cFetched; 
+    ULONG i;
+    ICOM_THIS(IEnumFiltersImpl, iface);
+
+    cFetched = min(This->nFilters, This->uIndex + cFilters) - This->uIndex;
+
+    TRACE("(%p)->(%lu, %p, %p)\n", iface, cFilters, ppFilters, pcFetched);
+
+    for (i = 0; i < cFetched; i++)
+    {
+	ppFilters[i] = This->ppFilters[This->uIndex + i];
+	IBaseFilter_AddRef(ppFilters[i]);
+    }
+
+    This->uIndex += cFetched;
+
+    if (pcFetched)
+        *pcFetched = cFetched;
+
+    if (cFetched != cFilters)
+        return S_FALSE;
+    return S_OK;
+}
+
+static HRESULT WINAPI IEnumFiltersImpl_Skip(IEnumFilters * iface, ULONG cFilters)
+{
+    ICOM_THIS(IEnumFiltersImpl, iface);
+
+    TRACE("(%p)->(%lu)\n", iface, cFilters);
+
+    if (This->uIndex + cFilters < This->nFilters)
+    {
+        This->uIndex += cFilters;
+        return S_OK;
+    }
+    return S_FALSE;
+}
+
+static HRESULT WINAPI IEnumFiltersImpl_Reset(IEnumFilters * iface)
+{
+    ICOM_THIS(IEnumFiltersImpl, iface);
+
+    TRACE("(%p)->()\n", iface);
+
+    This->uIndex = 0;
+    return S_OK;
+}
+
+static HRESULT WINAPI IEnumFiltersImpl_Clone(IEnumFilters * iface, IEnumFilters ** ppEnum)
+{
+    HRESULT hr;
+    ICOM_THIS(IEnumFiltersImpl, iface);
+
+    TRACE("(%p)->(%p)\n", iface, ppEnum);
+
+    hr = IEnumFiltersImpl_Construct(This->ppFilters, This->nFilters, ppEnum);
+    if (FAILED(hr))
+        return hr;
+    return IEnumFilters_Skip(*ppEnum, This->uIndex);
+}
+
+static const IEnumFiltersVtbl IEnumFiltersImpl_Vtbl =
+{
+    ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
+    IEnumFiltersImpl_QueryInterface,
+    IEnumFiltersImpl_AddRef,
+    IEnumFiltersImpl_Release,
+    IEnumFiltersImpl_Next,
+    IEnumFiltersImpl_Skip,
+    IEnumFiltersImpl_Reset,
+    IEnumFiltersImpl_Clone
+};

dlls/quartz/enumregfilters.c

@@ -37,7 +37,7 @@ typedef struct IEnumRegFiltersImpl
 
 static const struct IEnumRegFiltersVtbl IEnumRegFiltersImpl_Vtbl;
 
-HRESULT IEnumRegFiltersImpl_Create(REGFILTER* pInRegFilters, const ULONG size, IEnumRegFilters ** ppEnum)
+HRESULT IEnumRegFiltersImpl_Construct(REGFILTER* pInRegFilters, const ULONG size, IEnumRegFilters ** ppEnum)
 {
     IEnumRegFiltersImpl* pEnumRegFilters;
     REGFILTER* pRegFilters = NULL;
@@ -209,4 +209,3 @@ static const IEnumRegFiltersVtbl IEnumRegFiltersImpl_Vtbl =
     IEnumRegFiltersImpl_Reset,
     IEnumRegFiltersImpl_Clone
 };
-

dlls/quartz/filtergraph.c

@@ -288,9 +288,9 @@ static HRESULT WINAPI Graphbuilder_EnumFilters(IGraphBuilder *iface,
 					      IEnumFilters **ppEnum) {
     ICOM_THIS_MULTI(IFilterGraphImpl, IGraphBuilder_vtbl, iface);
 
-    TRACE("(%p/%p)->(%p): stub !!!\n", This, iface, ppEnum);
-
-    return S_OK;
+    TRACE("(%p/%p)->(%p)\n", This, iface, ppEnum);
+    
+    return IEnumFiltersImpl_Construct(This->ppFiltersInGraph, This->nFilters, ppEnum);
 }
 
 static HRESULT WINAPI Graphbuilder_FindFilterByName(IGraphBuilder *iface,

dlls/quartz/filtermapper.c

@@ -1094,7 +1094,7 @@ static HRESULT WINAPI FilterMapper_EnumMatchingFilters(
     if (!nb_mon)
     {
         IEnumMoniker_Release(ppEnumMoniker);
-        return IEnumRegFiltersImpl_Create(NULL, 0, ppEnum);
+        return IEnumRegFiltersImpl_Construct(NULL, 0, ppEnum);
     }
 
     regfilters = CoTaskMemAlloc(nb_mon * sizeof(REGFILTER));
@@ -1122,9 +1122,7 @@ static HRESULT WINAPI FilterMapper_EnumMatchingFilters(
             hrSub = IPropertyBag_Read(pPropBagCat, wszClsidName, &var, NULL);
 
         if (SUCCEEDED(hrSub))
-        {
-            CLSIDFromString(V_UNION(&var, bstrVal), &clsid);
-        }
+            hrSub = CLSIDFromString(V_UNION(&var, bstrVal), &clsid);
 
         if (SUCCEEDED(hrSub))
             hrSub = IPropertyBag_Read(pPropBagCat, wszFriendlyName, &var, NULL);
@@ -1158,7 +1156,7 @@ static HRESULT WINAPI FilterMapper_EnumMatchingFilters(
         return hr;
     }
 
-    hr = IEnumRegFiltersImpl_Create(regfilters, nb_mon, ppEnum);
+    hr = IEnumRegFiltersImpl_Construct(regfilters, nb_mon, ppEnum);
     CoTaskMemFree(regfilters);
     IEnumMoniker_Release(ppEnumMoniker);
     
@@ -1490,4 +1488,3 @@ static ICOM_VTABLE(IFilterMapper) fmvtbl =
     FilterMapper_UnregisterPin,
     FilterMapper_EnumMatchingFilters
 };
-

dlls/quartz/quartz_private.h

@@ -59,7 +59,8 @@ typedef struct tagENUMEDIADETAILS
 
 HRESULT IEnumPinsImpl_Construct(const ENUMPINDETAILS * pDetails, IEnumPins ** ppEnum);
 HRESULT IEnumMediaTypesImpl_Construct(const ENUMMEDIADETAILS * pDetails, IEnumMediaTypes ** ppEnum);
-HRESULT IEnumRegFiltersImpl_Create(REGFILTER* pInRegFilters, const ULONG size, IEnumRegFilters ** ppEnum);
+HRESULT IEnumRegFiltersImpl_Construct(REGFILTER * pInRegFilters, const ULONG size, IEnumRegFilters ** ppEnum);
+HRESULT IEnumFiltersImpl_Construct(IBaseFilter ** ppFilters, ULONG nFilters, IEnumFilters ** ppEnum);
 
 extern const char * qzdebugstr_guid(const GUID * id);
 extern const char * qzdebugstr_State(FILTER_STATE state);