diff --git a/dlls/qcap/qcap.spec b/dlls/qcap/qcap.spec
index b16365d0c9f..6bdfdf6e9eb 100644
--- a/dlls/qcap/qcap.spec
+++ b/dlls/qcap/qcap.spec
@@ -1,4 +1,4 @@
 @ stdcall -private DllCanUnloadNow()
-@ stdcall -private DllGetClassObject(ptr ptr ptr)
+@ stdcall -private DllGetClassObject(ptr ptr ptr) STRMBASE_DllGetClassObject
 @ stdcall -private DllRegisterServer()
 @ stdcall -private DllUnregisterServer()
diff --git a/dlls/qcap/qcap_main.c b/dlls/qcap/qcap_main.c
index fdfc2149062..422eee7f60e 100644
--- a/dlls/qcap/qcap_main.c
+++ b/dlls/qcap/qcap_main.c
@@ -44,7 +44,6 @@
 WINE_DEFAULT_DEBUG_CHANNEL(qcap);
 
 static LONG objects_ref = 0;
-static LONG server_locks = 0;
 
 static const WCHAR wAudioCaptFilter[] =
 {'A','u','d','i','o',' ','C','a','p','t','u','r','e',' ','F','i','l','t','e','r',0};
@@ -181,157 +180,9 @@ HRESULT WINAPI DllCanUnloadNow(void)
 {
     TRACE("\n");
 
-    if (objects_ref == 0 && server_locks == 0)
+    if (STRMBASE_DllCanUnloadNow() && objects_ref == 0)
         return S_OK;
-    return S_FALSE;	
-}
-
-/******************************************************************************
- * DLL ClassFactory
- */
-typedef struct {
-    IClassFactory ITF_IClassFactory;
-
-    LONG ref;
-    LPFNNewCOMObject pfnCreateInstance;
-} IClassFactoryImpl;
-
-static HRESULT WINAPI
-DSCF_QueryInterface(LPCLASSFACTORY iface,REFIID riid,LPVOID *ppobj)
-{
-    IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
-
-    if (IsEqualGUID(riid, &IID_IUnknown) ||
-        IsEqualGUID(riid, &IID_IClassFactory))
-    {
-        IClassFactory_AddRef(iface);
-        *ppobj = This;
-        return S_OK;
-    }
-
-    WARN("(%p)->(%s,%p), not found\n", This, debugstr_guid(riid), ppobj);
-    return E_NOINTERFACE;
-}
-
-static ULONG WINAPI DSCF_AddRef(LPCLASSFACTORY iface)
-{
-    IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
-    return InterlockedIncrement(&This->ref);
-}
-
-static ULONG WINAPI DSCF_Release(LPCLASSFACTORY iface)
-{
-    IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
-
-    ULONG ref = InterlockedDecrement(&This->ref);
-
-    if (ref == 0)
-        HeapFree(GetProcessHeap(), 0, This);
-
-    return ref;
-}
-
-static HRESULT WINAPI DSCF_CreateInstance(LPCLASSFACTORY iface, LPUNKNOWN pOuter,
-                                          REFIID riid, LPVOID *ppobj)
-{
-    IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
-    HRESULT hres = ERROR_SUCCESS;
-    LPUNKNOWN punk;
-
-    TRACE("(%p)->(%p,%s,%p)\n", This, pOuter, debugstr_guid(riid), ppobj);
-
-    if (!ppobj)
-        return E_POINTER;
-
-    /* Enforce the normal OLE rules regarding interfaces and delegation */
-    if (pOuter && !IsEqualGUID(riid, &IID_IUnknown))
-        return E_NOINTERFACE;
-
-    *ppobj = NULL;
-    punk = This->pfnCreateInstance(pOuter, &hres);
-    if (!punk)
-    {
-        /* No object created, update error if it isn't done already and return */
-        if (SUCCEEDED(hres))
-            hres = E_OUTOFMEMORY;
-    return hres;
-    }
-
-    if (SUCCEEDED(hres))
-    {
-        hres = IUnknown_QueryInterface(punk, riid, ppobj);
-    }
-    /* Releasing the object. If everything was successful, QueryInterface
-       should have incremented the refcount once more, otherwise this will
-       purge the object. */
-    IUnknown_Release(punk);
-    return hres;
-}
-
-static HRESULT WINAPI DSCF_LockServer(LPCLASSFACTORY iface, BOOL dolock)
-{
-    IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
-    TRACE("(%p)->(%d)\n",This, dolock);
-
-    if (dolock)
-        InterlockedIncrement(&server_locks);
-    else
-        InterlockedDecrement(&server_locks);
-    return S_OK;
-}
-
-static const IClassFactoryVtbl DSCF_Vtbl =
-{
-    DSCF_QueryInterface,
-    DSCF_AddRef,
-    DSCF_Release,
-    DSCF_CreateInstance,
-    DSCF_LockServer
-};
-
-/***********************************************************************
- *    DllGetClassObject (QCAP.@)
- */
-HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv)
-{
-    const FactoryTemplate *pList = g_Templates;
-    IClassFactoryImpl *factory;
-    int i;
-
-    TRACE("(%s,%s,%p)\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
-
-    if (!ppv)
-        return E_POINTER;
-
-    *ppv = NULL;
-
-    if (!IsEqualGUID(&IID_IClassFactory, riid) &&
-        !IsEqualGUID(&IID_IUnknown, riid))
-        return E_NOINTERFACE;
-
-    for (i = 0; i < g_cTemplates; i++, pList++)
-    {
-        if (IsEqualGUID(pList->m_ClsID, rclsid))
-            break;
-    }
-
-    if (i == g_cTemplates)
-    {
-        FIXME("%s: no class found.\n", debugstr_guid(rclsid));
-        return CLASS_E_CLASSNOTAVAILABLE;
-    }
-
-    factory = HeapAlloc(GetProcessHeap(), 0, sizeof(IClassFactoryImpl));
-    if (!factory)
-        return E_OUTOFMEMORY;
-
-    factory->ITF_IClassFactory.lpVtbl = &DSCF_Vtbl;
-    factory->ref = 1;
-
-    factory->pfnCreateInstance = pList->m_lpfnNew;
-
-    *ppv = &(factory->ITF_IClassFactory);
-    return S_OK;
+    return S_FALSE;
 }
 
 DWORD ObjectRefCount(BOOL increment)
diff --git a/dlls/strmbase/dllfunc.c b/dlls/strmbase/dllfunc.c
index c24ec97e7bc..35e373fc9cf 100644
--- a/dlls/strmbase/dllfunc.c
+++ b/dlls/strmbase/dllfunc.c
@@ -46,6 +46,7 @@ extern const int g_cTemplates;
 extern const FactoryTemplate g_Templates[];
 
 static HINSTANCE g_hInst = NULL;
+static LONG server_locks = 0;
 
 /*
  * defines and constants
@@ -233,3 +234,163 @@ BOOL WINAPI STRMBASE_DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID lpv)
     }
     return TRUE;
 }
+
+/******************************************************************************
+ * DLL ClassFactory
+ */
+typedef struct {
+    IClassFactory ITF_IClassFactory;
+
+    LONG ref;
+    LPFNNewCOMObject pfnCreateInstance;
+} IClassFactoryImpl;
+
+static HRESULT WINAPI
+DSCF_QueryInterface(LPCLASSFACTORY iface,REFIID riid,LPVOID *ppobj)
+{
+    IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
+
+    if (IsEqualGUID(riid, &IID_IUnknown) ||
+        IsEqualGUID(riid, &IID_IClassFactory))
+    {
+        IClassFactory_AddRef(iface);
+        *ppobj = This;
+        return S_OK;
+    }
+
+    WARN("(%p)->(%s,%p), not found\n", This, debugstr_guid(riid), ppobj);
+    return E_NOINTERFACE;
+}
+
+static ULONG WINAPI DSCF_AddRef(LPCLASSFACTORY iface)
+{
+    IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
+    return InterlockedIncrement(&This->ref);
+}
+
+static ULONG WINAPI DSCF_Release(LPCLASSFACTORY iface)
+{
+    IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
+
+    ULONG ref = InterlockedDecrement(&This->ref);
+
+    if (ref == 0)
+        HeapFree(GetProcessHeap(), 0, This);
+
+    return ref;
+}
+
+static HRESULT WINAPI DSCF_CreateInstance(LPCLASSFACTORY iface, LPUNKNOWN pOuter,
+                                          REFIID riid, LPVOID *ppobj)
+{
+    IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
+    HRESULT hres = ERROR_SUCCESS;
+    LPUNKNOWN punk;
+
+    TRACE("(%p)->(%p,%s,%p)\n", This, pOuter, debugstr_guid(riid), ppobj);
+
+    if (!ppobj)
+        return E_POINTER;
+
+    /* Enforce the normal OLE rules regarding interfaces and delegation */
+    if (pOuter && !IsEqualGUID(riid, &IID_IUnknown))
+        return E_NOINTERFACE;
+
+    *ppobj = NULL;
+    punk = This->pfnCreateInstance(pOuter, &hres);
+    if (!punk)
+    {
+        /* No object created, update error if it isn't done already and return */
+        if (SUCCEEDED(hres))
+            hres = E_OUTOFMEMORY;
+    return hres;
+    }
+
+    if (SUCCEEDED(hres))
+    {
+        hres = IUnknown_QueryInterface(punk, riid, ppobj);
+    }
+    /* Releasing the object. If everything was successful, QueryInterface
+       should have incremented the refcount once more, otherwise this will
+       purge the object. */
+    IUnknown_Release(punk);
+    return hres;
+}
+
+static HRESULT WINAPI DSCF_LockServer(LPCLASSFACTORY iface, BOOL dolock)
+{
+    IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
+    TRACE("(%p)->(%d)\n",This, dolock);
+
+    if (dolock)
+        InterlockedIncrement(&server_locks);
+    else
+        InterlockedDecrement(&server_locks);
+    return S_OK;
+}
+
+static const IClassFactoryVtbl DSCF_Vtbl =
+{
+    DSCF_QueryInterface,
+    DSCF_AddRef,
+    DSCF_Release,
+    DSCF_CreateInstance,
+    DSCF_LockServer
+};
+
+/***********************************************************************
+ *    DllGetClassObject
+ */
+HRESULT WINAPI STRMBASE_DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv)
+{
+    const FactoryTemplate *pList = g_Templates;
+    IClassFactoryImpl *factory;
+    int i;
+
+    TRACE("(%s,%s,%p)\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
+
+    if (!ppv)
+        return E_POINTER;
+
+    *ppv = NULL;
+
+    if (!IsEqualGUID(&IID_IClassFactory, riid) &&
+        !IsEqualGUID(&IID_IUnknown, riid))
+        return E_NOINTERFACE;
+
+    for (i = 0; i < g_cTemplates; i++, pList++)
+    {
+        if (IsEqualGUID(pList->m_ClsID, rclsid))
+            break;
+    }
+
+    if (i == g_cTemplates)
+    {
+        FIXME("%s: no class found.\n", debugstr_guid(rclsid));
+        return CLASS_E_CLASSNOTAVAILABLE;
+    }
+
+    factory = HeapAlloc(GetProcessHeap(), 0, sizeof(IClassFactoryImpl));
+    if (!factory)
+        return E_OUTOFMEMORY;
+
+    factory->ITF_IClassFactory.lpVtbl = &DSCF_Vtbl;
+    factory->ref = 1;
+
+    factory->pfnCreateInstance = pList->m_lpfnNew;
+
+    *ppv = &(factory->ITF_IClassFactory);
+    return S_OK;
+}
+
+/***********************************************************************
+ *    DllCanUnloadNow
+ */
+HRESULT WINAPI STRMBASE_DllCanUnloadNow(void)
+{
+    TRACE("\n");
+
+    if (server_locks == 0)
+        return S_OK;
+    return S_FALSE;
+}
diff --git a/include/wine/strmbase.h b/include/wine/strmbase.h
index 581643ef851..07913fec555 100644
--- a/include/wine/strmbase.h
+++ b/include/wine/strmbase.h
@@ -315,3 +315,5 @@ HRESULT WINAPI AMovieSetupRegisterFilter2( const AMOVIESETUP_FILTER const * pFil
 
 /* Dll Functions */
 BOOL WINAPI STRMBASE_DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID lpv);
+HRESULT WINAPI STRMBASE_DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv);
+HRESULT WINAPI STRMBASE_DllCanUnloadNow(void);