From: Gijs Vermeulen <gijsvrm@gmail.com>

wine-bug: https://bugs.winehq.org/show_bug.cgi?id=42372
Signed-off-by: Gijs Vermeulen <gijsvrm@gmail.com>
Signed-off-by: Zebediah Figura <z.figura12@gmail.com>
---
v2: Avoid Hungarian notation and "This"; use a more readable trace format.

��dlls/quartz/filtergraph.c�� �� �� ��| 57 ++++++++++++++++++++++++++++++++-
��dlls/quartz/tests/filtergraph.c |�� 1 +
��include/axextend.idl�� �� �� �� �� �� | 13 ++++++++
��3 files changed, 70 insertions(+), 1 deletion(-)

diff --git a/dlls/quartz/filtergraph.c b/dlls/quartz/filtergraph.c
index 6217516db1..918c41a3d6 100644
--- a/dlls/quartz/filtergraph.c
+++ b/dlls/quartz/filtergraph.c
@@ -181,7 +181,7 @@ typedef struct _IFilterGraphImpl {
�� �� ��/* IRegisterServiceProvider */
�� �� ��/* IResourceManager */
�� �� ��/* IServiceProvider */
-�� �� /* IVideoFrameStep */
+�� �� IVideoFrameStep IVideoFrameStep_iface;

�� �� ��IUnknown *outer_unk;
�� �� ��LONG ref;
@@ -454,6 +454,9 @@ static HRESULT WINAPI FilterGraphInner_QueryInterface(IUnknown *iface, REFIID ri
�� �� ��} else if (IsEqualGUID(&IID_IGraphVersion, riid)) {
�� �� �� �� ��*ppvObj = &This->IGraphVersion_iface;
�� �� �� �� ��TRACE("�� ��returning IGraphVersion interface (%p)\n", *ppvObj);
+�� �� } else if (IsEqualGUID(&IID_IVideoFrameStep, riid)) {
+�� �� �� �� *ppvObj = &This->IVideoFrameStep_iface;
+�� �� �� �� TRACE("�� ��returning IVideoFrameStep interface (%p)\n", *ppvObj);
�� �� ��} else {
�� �� �� �� ��*ppvObj = NULL;
�� �� �� �� FIXME("unknown interface %s\n", debugstr_guid(riid));
@@ -5638,6 +5641,57 @@ static const IGraphVersionVtbl IGraphVersion_VTable =
�� �� ��GraphVersion_QueryVersion,
��};

+static IFilterGraphImpl *impl_from_IVideoFrameStep(IVideoFrameStep *iface)
+{
+�� �� return CONTAINING_RECORD(iface, IFilterGraphImpl, IVideoFrameStep_iface);
+}
+
+static HRESULT WINAPI VideoFrameStep_QueryInterface(IVideoFrameStep *iface, REFIID iid, void **out)
+{
+�� �� IFilterGraphImpl *graph = impl_from_IVideoFrameStep(iface);
+�� �� return IUnknown_QueryInterface(graph->outer_unk, iid, out);
+}
+
+static ULONG WINAPI VideoFrameStep_AddRef(IVideoFrameStep *iface)
+{
+�� �� IFilterGraphImpl *graph = impl_from_IVideoFrameStep(iface);
+�� �� return IUnknown_AddRef(graph->outer_unk);
+}
+
+static ULONG WINAPI VideoFrameStep_Release(IVideoFrameStep *iface)
+{
+�� �� IFilterGraphImpl *graph = impl_from_IVideoFrameStep(iface);
+�� �� return IUnknown_Release(graph->outer_unk);
+}
+
+static HRESULT WINAPI VideoFrameStep_Step(IVideoFrameStep *iface, DWORD frame_count, IUnknown *filter)
+{
+�� �� FIXME("iface %p, frame_count %u, filter %p, stub!\n", iface, frame_count, filter);
+�� �� return E_NOTIMPL;
+}
+
+static HRESULT WINAPI VideoFrameStep_CanStep(IVideoFrameStep *iface, LONG multiple, IUnknown *filter)
+{
+�� �� FIXME("iface %p, multiple %d, filter %p, stub!\n", iface, multiple, filter);
+�� �� return E_NOTIMPL;
+}
+
+static HRESULT WINAPI VideoFrameStep_CancelStep(IVideoFrameStep *iface)
+{
+�� �� FIXME("iface %p, stub!\n", iface);
+�� �� return E_NOTIMPL;
+}
+
+static const IVideoFrameStepVtbl VideoFrameStep_vtbl =
+{
+�� �� VideoFrameStep_QueryInterface,
+�� �� VideoFrameStep_AddRef,
+�� �� VideoFrameStep_Release,
+�� �� VideoFrameStep_Step,
+�� �� VideoFrameStep_CanStep,
+�� �� VideoFrameStep_CancelStep
+};
+
��static const IUnknownVtbl IInner_VTable =
��{
�� �� ��FilterGraphInner_QueryInterface,
@@ -5668,6 +5722,7 @@ static HRESULT filter_graph_common_create(IUnknown *outer, IUnknown **out, BOOL
�� �� ��fimpl->IMediaPosition_iface.lpVtbl = &IMediaPosition_VTable;
�� �� ��fimpl->IObjectWithSite_iface.lpVtbl = &IObjectWithSite_VTable;
�� �� ��fimpl->IGraphVersion_iface.lpVtbl = &IGraphVersion_VTable;
+�� �� fimpl->IVideoFrameStep_iface.lpVtbl = &VideoFrameStep_vtbl;
�� �� ��fimpl->ref = 1;
�� �� ��list_init(&fimpl->filters);
�� �� ��list_init(&fimpl->sorted_filters);
diff --git a/dlls/quartz/tests/filtergraph.c b/dlls/quartz/tests/filtergraph.c
index f0aa084192..a3378efe0b 100644
--- a/dlls/quartz/tests/filtergraph.c
+++ b/dlls/quartz/tests/filtergraph.c
@@ -125,6 +125,7 @@ static void test_interfaces(void)
�� �� ��check_interface(graph, &IID_IMediaPosition, TRUE);
�� �� ��check_interface(graph, &IID_IMediaSeeking, TRUE);
�� �� ��check_interface(graph, &IID_IObjectWithSite, TRUE);
+�� �� check_interface(graph, &IID_IVideoFrameStep, TRUE);
�� �� ��check_interface(graph, &IID_IVideoWindow, TRUE);

�� �� ��check_interface(graph, &IID_IBaseFilter, FALSE);
diff --git a/include/axextend.idl b/include/axextend.idl
index 8b46d665b5..7630ea247c 100644
--- a/include/axextend.idl
+++ b/include/axextend.idl
@@ -1471,3 +1471,16 @@ interface IAMTVTuner : IAMTuner
�� �� ��HRESULT get_VideoFrequency([out] long *freq);
�� �� ��HRESULT get_AudioFrequency([out] long *freq);
��}
+
+[
+�� �� local,
+�� �� object,
+�� �� uuid(e46a9787-2b71-444d-a4b5-1fab7b708d6a),
+�� �� pointer_default(unique),
+]
+interface IVideoFrameStep : IUnknown
+{
+�� �� HRESULT Step(DWORD frame_count, [in] IUnknown *filter);
+�� �� HRESULT CanStep(long multiple, [in] IUnknown *filter);
+�� �� HRESULT CancelStep();
+}
--
2.27.0