strmbase: Separate BaseFilter destructor from Release.

dlls/strmbase/filter.c

@@ -69,14 +69,7 @@ ULONG WINAPI BaseFilterImpl_Release(IBaseFilter * iface)
     TRACE("(%p)->() Release from %d\n", This, refCount + 1);
 
     if (!refCount)
-    {
-        if (This->pClock)
-            IReferenceClock_Release(This->pClock);
-
-        This->IBaseFilter_iface.lpVtbl = NULL;
-        This->csFilter.DebugInfo->Spare[0] = 0;
-        DeleteCriticalSection(&This->csFilter);
-    }
+        BaseFilter_Destroy(This);
 
     return refCount;
 }
@@ -218,3 +211,15 @@ HRESULT WINAPI BaseFilter_Init(BaseFilter * This, const IBaseFilterVtbl *Vtbl, c
 
     return S_OK;
 }
+
+HRESULT WINAPI BaseFilter_Destroy(BaseFilter * This)
+{
+    if (This->pClock)
+        IReferenceClock_Release(This->pClock);
+
+    This->IBaseFilter_iface.lpVtbl = NULL;
+    This->csFilter.DebugInfo->Spare[0] = 0;
+    DeleteCriticalSection(&This->csFilter);
+
+    return S_OK;
+}

include/wine/strmbase.h

@@ -194,6 +194,7 @@ LONG WINAPI BaseFilterImpl_GetPinVersion(BaseFilter* This);
 VOID WINAPI BaseFilterImpl_IncrementPinVersion(BaseFilter* This);
 
 HRESULT WINAPI BaseFilter_Init(BaseFilter * This, const IBaseFilterVtbl *Vtbl, const CLSID *pClsid, DWORD_PTR DebugInfo, const BaseFilterFuncTable* pBaseFuncsTable);
+HRESULT WINAPI BaseFilter_Destroy(BaseFilter * This);
 
 /* Enums */
 HRESULT WINAPI EnumMediaTypes_Construct(BasePin *iface, BasePin_GetMediaType enumFunc, BasePin_GetMediaTypeVersion versionFunc, IEnumMediaTypes ** ppEnum);