[PATCH v2 4/8] wineqtdecoder: Use BasePinImpl_QueryInterface().

[Zebediah Figura]

Signed-off-by: Zebediah Figura 
---
 dlls/wineqtdecoder/qtsplitter.c | 45 ++++++++++-----------------------
 1 file changed, 13 insertions(+), 32 deletions(-)

diff --git a/dlls/wineqtdecoder/qtsplitter.c b/dlls/wineqtdecoder/qtsplitter.c
index 1db6dfd6ad7..2ce06a7f590 100644
--- a/dlls/wineqtdecoder/qtsplitter.c
+++ b/dlls/wineqtdecoder/qtsplitter.c
@@ -1140,15 +1140,7 @@ static const IPinVtbl QT_InputPin_Vtbl = {
     QTInPin_NewSegment
 };

-/*
- * Output Pin
- */
-static inline QTOutPin *impl_QTOutPin_from_IPin( IPin *iface )
-{
-    return CONTAINING_RECORD(iface, QTOutPin, pin.pin.IPin_iface);
-}
-
-static inline QTOutPin *impl_sink_from_strmbase_pin(struct strmbase_pin *iface)
+static inline QTOutPin *impl_source_from_strmbase_pin(struct strmbase_pin *iface)
 {
     return CONTAINING_RECORD(iface, QTOutPin, pin.pin);
 }
@@ -1158,30 +1150,19 @@ static inline QTOutPin *impl_QTOutPin_from_BaseOutputPin(struct strmbase_source
     return CONTAINING_RECORD(iface, QTOutPin, pin);
 }

-static HRESULT WINAPI QTOutPin_QueryInterface(IPin *iface, REFIID riid, void **ppv)
+static HRESULT source_query_interface(struct strmbase_pin *iface, REFIID iid, void **out)
 {
-    QTOutPin *This = impl_QTOutPin_from_IPin(iface);
-
-    TRACE("(%s, %p)\n", debugstr_guid(riid), ppv);
-
-    *ppv = NULL;
+    QTOutPin *pin = impl_source_from_strmbase_pin(&iface->IPin_iface);

-    if (IsEqualIID(riid, &IID_IUnknown))
-        *ppv = iface;
-    else if (IsEqualIID(riid, &IID_IPin))
-        *ppv = iface;
-    else if (IsEqualIID(riid, &IID_IMediaSeeking))
-        *ppv = &This->seeking.IMediaSeeking_iface;
-    else if (IsEqualIID(riid, &IID_IQualityControl))
-        *ppv = &This->IQualityControl_iface;
+    if (IsEqualGUID(iid, &IID_IMediaSeeking))
+        *out = &pin->seeking.IMediaSeeking_iface;
+    else if (IsEqualGUID(iid, &IID_IQualityControl))
+        *out = &pin->IQualityControl_iface;
+    else
+        return E_NOINTERFACE;

-    if (*ppv)
-    {
-        IUnknown_AddRef((IUnknown *)(*ppv));
-        return S_OK;
-    }
-    FIXME("No interface for %s!\n", debugstr_guid(riid));
-    return E_NOINTERFACE;
+    IUnknown_AddRef((IUnknown *)*out);
+    return S_OK;
 }

static HRESULT source_query_accept(struct strmbase_pin *base, const AM_MEDIA_TYPE *amt)
@@ -1192,7 +1173,7 @@ static HRESULT source_query_accept(struct strmbase_pin *base, const AM_MEDIA_TYP

static HRESULT source_get_media_type(struct strmbase_pin *iface, unsigned int iPosition, AM_MEDIA_TYPE *pmt)
 {
-    QTOutPin *This = impl_sink_from_strmbase_pin(iface);
+    QTOutPin *This = impl_source_from_strmbase_pin(iface);

if (iPosition > 0)
         return VFW_S_NO_MORE_ITEMS;
@@ -1231,7 +1212,7 @@ static HRESULT WINAPI QTOutPin_DecideAllocator(struct strmbase_source *iface,
 }

static const IPinVtbl QT_OutputPin_Vtbl = {
-    QTOutPin_QueryInterface,
+    BasePinImpl_QueryInterface,
     BasePinImpl_AddRef,
     BasePinImpl_Release,
     BaseOutputPinImpl_Connect,