[PATCH 1/3] evr/filter: Add IMediaEventSink stub.

[Nikolay Sivov]

From: Nikolay Sivov

Signed-off-by: Nikolay Sivov 
---
 dlls/evr/evr.c       | 42 ++++++++++++++++++++++++++++++++++++++++++
 dlls/evr/tests/evr.c | 14 +++++++++++++-
 2 files changed, 55 insertions(+), 1 deletion(-)

diff --git a/dlls/evr/evr.c b/dlls/evr/evr.c
index 2251cb5522e..97cc2e27915 100644
--- a/dlls/evr/evr.c
+++ b/dlls/evr/evr.c
@@ -37,6 +37,7 @@ struct evr
     IAMFilterMiscFlags IAMFilterMiscFlags_iface;
     IMFGetService IMFGetService_iface;
     IMFVideoRenderer IMFVideoRenderer_iface;
+    IMediaEventSink IMediaEventSink_iface;

IMFTransform *mixer;
     IMFVideoPresenter *presenter;
@@ -111,6 +112,8 @@ static HRESULT evr_query_interface(struct strmbase_renderer *iface, REFIID iid,
         *out = &filter->IMFGetService_iface;
     else if (IsEqualGUID(iid, &IID_IMFVideoRenderer))
         *out = &filter->IMFVideoRenderer_iface;
+    else if (IsEqualGUID(iid, &IID_IMediaEventSink))
+        *out = &filter->IMediaEventSink_iface;
     else
         return E_NOINTERFACE;

@@ -348,6 +351,44 @@ static const IMFVideoRendererVtbl filter_video_renderer_vtbl =
     filter_video_renderer_InitializeRenderer,
 };

+static struct evr *impl_from_IMediaEventSink(IMediaEventSink *iface)
+{
+    return CONTAINING_RECORD(iface, struct evr, IMediaEventSink_iface);
+}
+
+static HRESULT WINAPI filter_media_event_sink_QueryInterface(IMediaEventSink *iface, REFIID riid, void **obj)
+{
+    struct evr *filter = impl_from_IMediaEventSink(iface);
+    return IUnknown_QueryInterface(filter->renderer.filter.outer_unk, riid, obj);
+}
+
+static ULONG WINAPI filter_media_event_sink_AddRef(IMediaEventSink *iface)
+{
+    struct evr *filter = impl_from_IMediaEventSink(iface);
+    return IUnknown_AddRef(filter->renderer.filter.outer_unk);
+}
+
+static ULONG WINAPI filter_media_event_sink_Release(IMediaEventSink *iface)
+{
+    struct evr *filter = impl_from_IMediaEventSink(iface);
+    return IUnknown_Release(filter->renderer.filter.outer_unk);
+}
+
+static HRESULT WINAPI filter_media_event_sink_Notify(IMediaEventSink *iface, LONG event, LONG_PTR param1, LONG_PTR param2)
+{
+    FIXME("iface %p, event %ld, param1 %Id, param2 %Id.\n", iface, event, param1, param2);
+
+    return E_NOTIMPL;
+}
+
+static const IMediaEventSinkVtbl filter_media_event_sink_vtbl =
+{
+    filter_media_event_sink_QueryInterface,
+    filter_media_event_sink_AddRef,
+    filter_media_event_sink_Release,
+    filter_media_event_sink_Notify,
+};
+
 HRESULT evr_filter_create(IUnknown *outer, void **out)
 {
     struct evr *object;
@@ -361,6 +402,7 @@ HRESULT evr_filter_create(IUnknown *outer, void **out)
     object->IAMFilterMiscFlags_iface.lpVtbl = &filter_misc_flags_vtbl;
     object->IMFGetService_iface.lpVtbl = &filter_get_service_vtbl;
     object->IMFVideoRenderer_iface.lpVtbl = &filter_video_renderer_vtbl;
+    object->IMediaEventSink_iface.lpVtbl = &filter_media_event_sink_vtbl;

TRACE("Created EVR %p.\n", object);
     *out = &object->renderer.filter.IUnknown_inner;
diff --git a/dlls/evr/tests/evr.c b/dlls/evr/tests/evr.c
index 28a472a8a7f..30f7ba81ee9 100644
--- a/dlls/evr/tests/evr.c
+++ b/dlls/evr/tests/evr.c
@@ -273,7 +273,9 @@ static void check_service_interface_(unsigned int line, void *iface_ptr, REFGUID

static void test_interfaces(void)
 {
-    IBaseFilter *filter = create_evr();
+    IBaseFilter *filter = create_evr(), *filter2;
+    IUnknown *unk;
+    HRESULT hr;
     ULONG ref;

check_interface(filter, &IID_IAMFilterMiscFlags, TRUE);
@@ -284,6 +286,7 @@ static void test_interfaces(void)
     check_interface(filter, &IID_IMediaFilter, TRUE);
     check_interface(filter, &IID_IMediaPosition, TRUE);
     check_interface(filter, &IID_IMediaSeeking, TRUE);
+    check_interface(filter, &IID_IMediaEventSink, TRUE);
     check_interface(filter, &IID_IPersist, TRUE);
     check_interface(filter, &IID_IUnknown, TRUE);

@@ -296,6 +299,15 @@ static void test_interfaces(void)
     check_interface(filter, &IID_IReferenceClock, FALSE);
     check_interface(filter, &IID_IVideoWindow, FALSE);

+    /* The scope of IMediaEventSink */
+    hr = IBaseFilter_QueryInterface(filter, &IID_IMediaEventSink, (void **)&unk);
+    ok(hr == S_OK, "Unexpected hr %#lx.\n", hr);
+    hr = IUnknown_QueryInterface(unk, &IID_IBaseFilter, (void **)&filter2);
+    ok(hr == S_OK, "Unexpected hr %#lx.\n", hr);
+    ok(filter == filter2, "Unexpected pointer.\n");
+    IBaseFilter_Release(filter2);
+    IUnknown_Release(unk);
+
     ref = IBaseFilter_Release(filter);
     ok(!ref, "Got unexpected refcount %ld.\n", ref);
 }