winegstreamer: Fix pin enumeration order for the AVI and WAVE parsers.

dlls/quartz/tests/avisplit.c

@@ -427,7 +427,6 @@ static void test_find_pin(void)
 
     hr = IBaseFilter_FindPin(filter, L"Stream 00", &pin);
     ok(hr == S_OK, "Got hr %#x.\n", hr);
-todo_wine
     ok(pin == pin2, "Expected pin %p, got %p.\n", pin2, pin);
     IPin_Release(pin);
     IPin_Release(pin2);
@@ -437,7 +436,6 @@ todo_wine
 
     hr = IBaseFilter_FindPin(filter, L"input pin", &pin);
     ok(hr == S_OK, "Got hr %#x.\n", hr);
-todo_wine
     ok(pin == pin2, "Expected pin %p, got %p.\n", pin2, pin);
     IPin_Release(pin);
     IPin_Release(pin2);

dlls/quartz/tests/waveparser.c

@@ -421,7 +421,6 @@ static void test_find_pin(void)
 
     hr = IBaseFilter_FindPin(filter, L"output", &pin);
     ok(hr == S_OK, "Got hr %#x.\n", hr);
-todo_wine
     ok(pin == pin2, "Expected pin %p, got %p.\n", pin2, pin);
     IPin_Release(pin);
     IPin_Release(pin2);
@@ -431,7 +430,6 @@ todo_wine
 
     hr = IBaseFilter_FindPin(filter, L"input pin", &pin);
     ok(hr == S_OK, "Got hr %#x.\n", hr);
-todo_wine
     ok(pin == pin2, "Expected pin %p, got %p.\n", pin2, pin);
     IPin_Release(pin);
     IPin_Release(pin2);

dlls/winegstreamer/gstdemux.c

@@ -60,6 +60,7 @@ struct gstdemux
 
     struct gstdemux_source **sources;
     unsigned int source_count;
+    BOOL enum_sink_first;
 
     LONGLONG filesize;
 
@@ -1214,10 +1215,20 @@ static struct strmbase_pin *gstdemux_get_pin(struct strmbase_filter *base, unsig
 {
     struct gstdemux *filter = impl_from_strmbase_filter(base);
 
+    if (filter->enum_sink_first)
+    {
         if (!index)
             return &filter->sink.pin;
         else if (index <= filter->source_count)
             return &filter->sources[index - 1]->pin.pin;
+    }
+    else
+    {
+        if (index < filter->source_count)
+            return &filter->sources[index]->pin.pin;
+        else if (index == filter->source_count)
+            return &filter->sink.pin;
+    }
     return NULL;
 }
 
@@ -2510,6 +2521,7 @@ IUnknown * CALLBACK mpeg_splitter_create(IUnknown *outer, HRESULT *phr)
     object->duration_event = CreateEventW(NULL, FALSE, FALSE, NULL);
     object->error_event = CreateEventW(NULL, TRUE, FALSE, NULL);
     object->init_gst = mpeg_splitter_init_gst;
+    object->enum_sink_first = TRUE;
     *phr = S_OK;
 
     TRACE("Created MPEG-1 splitter %p.\n", object);