[v2 PATCH] winegstreamer: Add stub Video Processor MFT.
Nikolay Sivov
nsivov at codeweavers.com
Fri Jul 5 08:23:21 CDT 2019
Signed-off-by: Nikolay Sivov <nsivov at codeweavers.com>
---
v2: skip tests on failure
dlls/mf/tests/mf.c | 30 ++-
dlls/winegstreamer/Makefile.in | 7 +-
dlls/winegstreamer/gst_private.h | 3 +
dlls/winegstreamer/main.c | 14 +-
dlls/winegstreamer/mfplat.c | 444 +++++++++++++++++++++++++++++++
dlls/winegstreamer/mfplat.idl | 26 ++
6 files changed, 516 insertions(+), 8 deletions(-)
create mode 100644 dlls/winegstreamer/mfplat.c
create mode 100644 dlls/winegstreamer/mfplat.idl
diff --git a/dlls/mf/tests/mf.c b/dlls/mf/tests/mf.c
index 15aa58620a..0d66da1392 100644
--- a/dlls/mf/tests/mf.c
+++ b/dlls/mf/tests/mf.c
@@ -2079,11 +2079,11 @@ static void test_video_processor(void)
hr = CoCreateInstance(&CLSID_VideoProcessorMFT, NULL, CLSCTX_INPROC_SERVER, &IID_IMFTransform,
(void **)&transform);
-todo_wine
- ok(hr == S_OK || broken(hr == REGDB_E_CLASSNOTREG), "Failed to create video processor transform, hr %#x.\n", hr);
-
if (FAILED(hr))
+ {
+ skip("Failed to create Video Processor instance, skipping tests.\n");
goto failed;
+ }
hr = IMFTransform_QueryInterface(transform, &IID_IMFMediaEventGenerator, (void **)&unk);
ok(hr == E_NOINTERFACE, "Unexpected hr %#x.\n", hr);
@@ -2120,12 +2120,14 @@ todo_wine
ok(hr == E_NOTIMPL, "Unexpected hr %#x.\n", hr);
hr = IMFTransform_GetInputStatus(transform, 0, &flags);
+todo_wine
ok(hr == MF_E_TRANSFORM_TYPE_NOT_SET, "Unexpected hr %#x.\n", hr);
hr = IMFTransform_GetInputStreamAttributes(transform, 0, &attributes);
ok(hr == E_NOTIMPL, "Unexpected hr %#x.\n", hr);
hr = IMFTransform_GetOutputStatus(transform, &flags);
+todo_wine
ok(hr == MF_E_TRANSFORM_TYPE_NOT_SET, "Unexpected hr %#x.\n", hr);
hr = IMFTransform_GetOutputStreamAttributes(transform, 0, &attributes);
@@ -2137,30 +2139,38 @@ todo_wine
IMFAttributes_Release(attributes2);
hr = IMFTransform_GetOutputAvailableType(transform, 0, 0, &media_type);
+todo_wine
ok(hr == MF_E_NO_MORE_TYPES, "Unexpected hr %#x.\n", hr);
hr = IMFTransform_GetInputCurrentType(transform, 0, &media_type);
+todo_wine
ok(hr == MF_E_TRANSFORM_TYPE_NOT_SET, "Unexpected hr %#x.\n", hr);
hr = IMFTransform_GetInputCurrentType(transform, 1, &media_type);
+todo_wine
ok(hr == MF_E_INVALIDSTREAMNUMBER, "Unexpected hr %#x.\n", hr);
hr = IMFTransform_GetOutputCurrentType(transform, 0, &media_type);
+todo_wine
ok(hr == MF_E_TRANSFORM_TYPE_NOT_SET, "Unexpected hr %#x.\n", hr);
hr = IMFTransform_GetOutputCurrentType(transform, 1, &media_type);
+todo_wine
ok(hr == MF_E_INVALIDSTREAMNUMBER, "Unexpected hr %#x.\n", hr);
hr = IMFTransform_GetInputStreamInfo(transform, 1, &input_info);
+todo_wine
ok(hr == MF_E_INVALIDSTREAMNUMBER, "Unexpected hr %#x.\n", hr);
+ memset(&input_info, 0xcc, sizeof(input_info));
hr = IMFTransform_GetInputStreamInfo(transform, 0, &input_info);
+todo_wine {
ok(hr == S_OK, "Failed to get stream info, hr %#x.\n", hr);
ok(input_info.dwFlags == 0, "Unexpected flag %#x.\n", input_info.dwFlags);
ok(input_info.cbSize == 0, "Unexpected size %u.\n", input_info.cbSize);
ok(input_info.cbMaxLookahead == 0, "Unexpected lookahead length %u.\n", input_info.cbMaxLookahead);
ok(input_info.cbAlignment == 0, "Unexpected alignment %u.\n", input_info.cbAlignment);
-
+}
hr = MFCreateMediaEvent(MEUnknown, &GUID_NULL, S_OK, NULL, &event);
ok(hr == S_OK, "Failed to create event object, hr %#x.\n", hr);
hr = IMFTransform_ProcessEvent(transform, 0, event);
@@ -2174,6 +2184,7 @@ todo_wine
{
if (FAILED(hr = IMFTransform_GetInputAvailableType(transform, 0, i, &media_type)))
{
+ todo_wine
ok(hr == MF_E_NO_MORE_TYPES, "Unexpected hr %#x.\n", hr);
break;
}
@@ -2254,17 +2265,22 @@ todo_wine
ok(hr == S_OK, "Failed to set attribute, hr %#x.\n", hr);
hr = IMFTransform_SetInputType(transform, 0, media_type, 0);
+todo_wine
ok(hr == S_OK, "Failed to set input type, hr %#x.\n", hr);
hr = IMFMediaType_SetGUID(media_type, &MF_MT_SUBTYPE, &MFVideoFormat_RGB32);
ok(hr == S_OK, "Failed to set attribute, hr %#x.\n", hr);
hr = IMFTransform_SetOutputType(transform, 0, media_type, 0);
+todo_wine
ok(hr == S_OK, "Failed to set output type, hr %#x.\n", hr);
+ memset(&output_info, 0, sizeof(output_info));
hr = IMFTransform_GetOutputStreamInfo(transform, 0, &output_info);
+todo_wine
ok(hr == S_OK, "Failed to get stream info, hr %#x.\n", hr);
ok(output_info.dwFlags == 0, "Unexpected flags %#x.\n", output_info.dwFlags);
+todo_wine
ok(output_info.cbSize > 0, "Unexpected size %u.\n", output_info.cbSize);
ok(output_info.cbAlignment == 0, "Unexpected alignment %u.\n", output_info.cbAlignment);
@@ -2278,20 +2294,24 @@ todo_wine
output_buffer.pSample = sample;
flags = 0;
hr = IMFTransform_ProcessOutput(transform, 0, 1, &output_buffer, &flags);
+todo_wine
ok(hr == MF_E_TRANSFORM_NEED_MORE_INPUT, "Unexpected hr %#x.\n", hr);
ok(output_buffer.dwStatus == 0, "Unexpected buffer status, %#x.\n", output_buffer.dwStatus);
ok(flags == 0, "Unexpected status %#x.\n", flags);
hr = IMFTransform_ProcessInput(transform, 0, sample2, 0);
+todo_wine
ok(hr == S_OK, "Failed to push a sample, hr %#x.\n", hr);
hr = IMFTransform_ProcessInput(transform, 0, sample2, 0);
+todo_wine
ok(hr == MF_E_NOTACCEPTING, "Unexpected hr %#x.\n", hr);
memset(&output_buffer, 0, sizeof(output_buffer));
output_buffer.pSample = sample;
flags = 0;
hr = IMFTransform_ProcessOutput(transform, 0, 1, &output_buffer, &flags);
+todo_wine
ok(hr == MF_E_NO_SAMPLE_TIMESTAMP, "Unexpected hr %#x.\n", hr);
ok(output_buffer.dwStatus == 0, "Unexpected buffer status, %#x.\n", output_buffer.dwStatus);
ok(flags == 0, "Unexpected status %#x.\n", flags);
@@ -2302,6 +2322,7 @@ todo_wine
output_buffer.pSample = sample;
flags = 0;
hr = IMFTransform_ProcessOutput(transform, 0, 1, &output_buffer, &flags);
+todo_wine
ok(hr == E_INVALIDARG, "Unexpected hr %#x.\n", hr);
ok(output_buffer.dwStatus == 0, "Unexpected buffer status, %#x.\n", output_buffer.dwStatus);
ok(flags == 0, "Unexpected status %#x.\n", flags);
@@ -2319,6 +2340,7 @@ todo_wine
output_buffer.pSample = sample;
flags = 0;
hr = IMFTransform_ProcessOutput(transform, 0, 1, &output_buffer, &flags);
+todo_wine
ok(hr == S_OK || broken(FAILED(hr)) /* Win8 */, "Failed to get output buffer, hr %#x.\n", hr);
ok(output_buffer.dwStatus == 0, "Unexpected buffer status, %#x.\n", output_buffer.dwStatus);
ok(flags == 0, "Unexpected status %#x.\n", flags);
diff --git a/dlls/winegstreamer/Makefile.in b/dlls/winegstreamer/Makefile.in
index fecabe8ba2..437915f6da 100644
--- a/dlls/winegstreamer/Makefile.in
+++ b/dlls/winegstreamer/Makefile.in
@@ -1,5 +1,5 @@
MODULE = winegstreamer.dll
-IMPORTS = strmbase strmiids uuid winmm msacm32 msvfw32 ole32 oleaut32 user32 gdi32 advapi32
+IMPORTS = strmbase strmiids uuid winmm msacm32 msvfw32 ole32 oleaut32 user32 gdi32 advapi32 mfplat mfuuid
EXTRAINCL = $(GSTREAMER_CFLAGS)
EXTRALIBS = $(GSTREAMER_LIBS) $(PTHREAD_LIBS)
@@ -7,7 +7,10 @@ C_SRCS = \
gst_cbs.c \
gstdemux.c \
gsttffilter.c \
- main.c
+ main.c \
+ mfplat.c
+
+IDL_SRCS = mfplat.idl
RC_SRCS = \
rsrc.rc
diff --git a/dlls/winegstreamer/gst_private.h b/dlls/winegstreamer/gst_private.h
index 85659c4bd9..06236e2636 100644
--- a/dlls/winegstreamer/gst_private.h
+++ b/dlls/winegstreamer/gst_private.h
@@ -53,4 +53,7 @@ void start_dispatch_thread(void) DECLSPEC_HIDDEN;
extern const char *media_quark_string DECLSPEC_HIDDEN;
+extern HRESULT mfplat_get_class_object(REFCLSID rclsid, REFIID riid, void **obj) DECLSPEC_HIDDEN;
+extern HRESULT mfplat_can_unload_now(void) DECLSPEC_HIDDEN;
+
#endif /* __GST_PRIVATE_INCLUDED__ */
diff --git a/dlls/winegstreamer/main.c b/dlls/winegstreamer/main.c
index f11e59a914..4419a6fde5 100644
--- a/dlls/winegstreamer/main.c
+++ b/dlls/winegstreamer/main.c
@@ -232,7 +232,12 @@ BOOL WINAPI DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID lpv)
*/
HRESULT WINAPI DllCanUnloadNow(void)
{
- return STRMBASE_DllCanUnloadNow();
+ HRESULT hr = STRMBASE_DllCanUnloadNow();
+
+ if (hr == S_OK)
+ hr = mfplat_can_unload_now();
+
+ return hr;
}
/***********************************************************************
@@ -240,7 +245,12 @@ HRESULT WINAPI DllCanUnloadNow(void)
*/
HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv)
{
- return STRMBASE_DllGetClassObject( rclsid, riid, ppv );
+ HRESULT hr;
+
+ if (FAILED(hr = mfplat_get_class_object(rclsid, riid, ppv)))
+ hr = STRMBASE_DllGetClassObject( rclsid, riid, ppv );
+
+ return hr;
}
/* GStreamer common functions */
diff --git a/dlls/winegstreamer/mfplat.c b/dlls/winegstreamer/mfplat.c
new file mode 100644
index 0000000000..2233bbe159
--- /dev/null
+++ b/dlls/winegstreamer/mfplat.c
@@ -0,0 +1,444 @@
+/*
+ * Copyright 2019 Nikolay Sivov for CodeWeavers
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#include <stdarg.h>
+
+#define COBJMACROS
+#define NONAMELESSUNION
+
+#include "mfapi.h"
+#include "mfidl.h"
+
+#include "wine/debug.h"
+#include "wine/heap.h"
+
+WINE_DEFAULT_DEBUG_CHANNEL(mfplat);
+
+static LONG object_locks;
+
+struct video_processor
+{
+ IMFTransform IMFTransform_iface;
+ LONG refcount;
+ IMFAttributes *attributes;
+ IMFAttributes *output_attributes;
+};
+
+static struct video_processor *impl_video_processor_from_IMFTransform(IMFTransform *iface)
+{
+ return CONTAINING_RECORD(iface, struct video_processor, IMFTransform_iface);
+}
+
+static HRESULT WINAPI video_processor_QueryInterface(IMFTransform *iface, REFIID riid, void **obj)
+{
+ TRACE("%p, %s, %p.\n", iface, debugstr_guid(riid), obj);
+
+ if (IsEqualIID(riid, &IID_IMFTransform) ||
+ IsEqualIID(riid, &IID_IUnknown))
+ {
+ *obj = iface;
+ IMFTransform_AddRef(iface);
+ return S_OK;
+ }
+
+ WARN("Unsupported %s.\n", debugstr_guid(riid));
+ *obj = NULL;
+ return E_NOINTERFACE;
+}
+
+static ULONG WINAPI video_processor_AddRef(IMFTransform *iface)
+{
+ struct video_processor *transform = impl_video_processor_from_IMFTransform(iface);
+ ULONG refcount = InterlockedIncrement(&transform->refcount);
+
+ TRACE("%p, refcount %u.\n", iface, refcount);
+
+ return refcount;
+}
+
+static ULONG WINAPI video_processor_Release(IMFTransform *iface)
+{
+ struct video_processor *transform = impl_video_processor_from_IMFTransform(iface);
+ ULONG refcount = InterlockedDecrement(&transform->refcount);
+
+ TRACE("%p, refcount %u.\n", iface, refcount);
+
+ if (!refcount)
+ {
+ if (transform->attributes)
+ IMFAttributes_Release(transform->attributes);
+ if (transform->output_attributes)
+ IMFAttributes_Release(transform->output_attributes);
+ heap_free(transform);
+ }
+
+ return refcount;
+}
+
+static HRESULT WINAPI video_processor_GetStreamLimits(IMFTransform *iface, DWORD *input_minimum, DWORD *input_maximum,
+ DWORD *output_minimum, DWORD *output_maximum)
+{
+ TRACE("%p, %p, %p, %p, %p.\n", iface, input_minimum, input_maximum, output_minimum, output_maximum);
+
+ *input_minimum = *input_maximum = *output_minimum = *output_maximum = 1;
+
+ return S_OK;
+}
+
+static HRESULT WINAPI video_processor_GetStreamCount(IMFTransform *iface, DWORD *inputs, DWORD *outputs)
+{
+ TRACE("%p, %p, %p.\n", iface, inputs, outputs);
+
+ *inputs = *outputs = 1;
+
+ return S_OK;
+}
+
+static HRESULT WINAPI video_processor_GetStreamIDs(IMFTransform *iface, DWORD input_size, DWORD *inputs,
+ DWORD output_size, DWORD *outputs)
+{
+ return E_NOTIMPL;
+}
+
+static HRESULT WINAPI video_processor_GetInputStreamInfo(IMFTransform *iface, DWORD id, MFT_INPUT_STREAM_INFO *info)
+{
+ return E_NOTIMPL;
+}
+
+static HRESULT WINAPI video_processor_GetOutputStreamInfo(IMFTransform *iface, DWORD id, MFT_OUTPUT_STREAM_INFO *info)
+{
+ return E_NOTIMPL;
+}
+
+static HRESULT WINAPI video_processor_GetAttributes(IMFTransform *iface, IMFAttributes **attributes)
+{
+ struct video_processor *transform = impl_video_processor_from_IMFTransform(iface);
+
+ TRACE("%p, %p.\n", iface, attributes);
+
+ *attributes = transform->attributes;
+ IMFAttributes_AddRef(*attributes);
+
+ return S_OK;
+}
+
+static HRESULT WINAPI video_processor_GetInputStreamAttributes(IMFTransform *iface, DWORD id,
+ IMFAttributes **attributes)
+{
+ return E_NOTIMPL;
+}
+
+static HRESULT WINAPI video_processor_GetOutputStreamAttributes(IMFTransform *iface, DWORD id,
+ IMFAttributes **attributes)
+{
+ struct video_processor *transform = impl_video_processor_from_IMFTransform(iface);
+
+ TRACE("%p, %u, %p.\n", iface, id, attributes);
+
+ *attributes = transform->output_attributes;
+ IMFAttributes_AddRef(*attributes);
+
+ return S_OK;
+}
+
+static HRESULT WINAPI video_processor_DeleteInputStream(IMFTransform *iface, DWORD id)
+{
+ TRACE("%p, %u.\n", iface, id);
+
+ return E_NOTIMPL;
+}
+
+static HRESULT WINAPI video_processor_AddInputStreams(IMFTransform *iface, DWORD streams, DWORD *ids)
+{
+ TRACE("%p, %u, %p.\n", iface, streams, ids);
+
+ return E_NOTIMPL;
+}
+
+static HRESULT WINAPI video_processor_GetInputAvailableType(IMFTransform *iface, DWORD id, DWORD index,
+ IMFMediaType **type)
+{
+ FIXME("%p, %u, %u, %p.\n", iface, id, index, type);
+
+ return E_NOTIMPL;
+}
+
+static HRESULT WINAPI video_processor_GetOutputAvailableType(IMFTransform *iface, DWORD id, DWORD index,
+ IMFMediaType **type)
+{
+ FIXME("%p, %u, %u, %p.\n", iface, id, index, type);
+
+ return E_NOTIMPL;
+}
+
+static HRESULT WINAPI video_processor_SetInputType(IMFTransform *iface, DWORD id, IMFMediaType *type, DWORD flags)
+{
+ FIXME("%p, %u, %p, %#x.\n", iface, id, type, flags);
+
+ return E_NOTIMPL;
+}
+
+static HRESULT WINAPI video_processor_SetOutputType(IMFTransform *iface, DWORD id, IMFMediaType *type, DWORD flags)
+{
+ FIXME("%p, %u, %p, %#x.\n", iface, id, type, flags);
+
+ return E_NOTIMPL;
+}
+
+static HRESULT WINAPI video_processor_GetInputCurrentType(IMFTransform *iface, DWORD id, IMFMediaType **type)
+{
+ FIXME("%p, %u, %p.\n", iface, id, type);
+
+ return E_NOTIMPL;
+}
+
+static HRESULT WINAPI video_processor_GetOutputCurrentType(IMFTransform *iface, DWORD id, IMFMediaType **type)
+{
+ FIXME("%p, %u, %p.\n", iface, id, type);
+
+ return E_NOTIMPL;
+}
+
+static HRESULT WINAPI video_processor_GetInputStatus(IMFTransform *iface, DWORD id, DWORD *flags)
+{
+ FIXME("%p, %u, %p.\n", iface, id, flags);
+
+ return E_NOTIMPL;
+}
+
+static HRESULT WINAPI video_processor_GetOutputStatus(IMFTransform *iface, DWORD *flags)
+{
+ FIXME("%p, %p.\n", iface, flags);
+
+ return E_NOTIMPL;
+}
+
+static HRESULT WINAPI video_processor_SetOutputBounds(IMFTransform *iface, LONGLONG lower, LONGLONG upper)
+{
+ FIXME("%p, %s, %s.\n", iface, wine_dbgstr_longlong(lower), wine_dbgstr_longlong(upper));
+
+ return E_NOTIMPL;
+}
+
+static HRESULT WINAPI video_processor_ProcessEvent(IMFTransform *iface, DWORD id, IMFMediaEvent *event)
+{
+ TRACE("%p, %u, %p.\n", iface, id, event);
+
+ return E_NOTIMPL;
+}
+
+static HRESULT WINAPI video_processor_ProcessMessage(IMFTransform *iface, MFT_MESSAGE_TYPE message, ULONG_PTR param)
+{
+ FIXME("%p, %u.\n", iface, message);
+
+ return E_NOTIMPL;
+}
+
+static HRESULT WINAPI video_processor_ProcessInput(IMFTransform *iface, DWORD id, IMFSample *sample, DWORD flags)
+{
+ FIXME("%p, %u, %p, %#x.\n", iface, id, sample, flags);
+
+ return E_NOTIMPL;
+}
+
+static HRESULT WINAPI video_processor_ProcessOutput(IMFTransform *iface, DWORD flags, DWORD count,
+ MFT_OUTPUT_DATA_BUFFER *samples, DWORD *status)
+{
+ FIXME("%p, %#x, %u, %p, %p.\n", iface, flags, count, samples, status);
+
+ return E_NOTIMPL;
+}
+
+static const IMFTransformVtbl video_processor_vtbl =
+{
+ video_processor_QueryInterface,
+ video_processor_AddRef,
+ video_processor_Release,
+ video_processor_GetStreamLimits,
+ video_processor_GetStreamCount,
+ video_processor_GetStreamIDs,
+ video_processor_GetInputStreamInfo,
+ video_processor_GetOutputStreamInfo,
+ video_processor_GetAttributes,
+ video_processor_GetInputStreamAttributes,
+ video_processor_GetOutputStreamAttributes,
+ video_processor_DeleteInputStream,
+ video_processor_AddInputStreams,
+ video_processor_GetInputAvailableType,
+ video_processor_GetOutputAvailableType,
+ video_processor_SetInputType,
+ video_processor_SetOutputType,
+ video_processor_GetInputCurrentType,
+ video_processor_GetOutputCurrentType,
+ video_processor_GetInputStatus,
+ video_processor_GetOutputStatus,
+ video_processor_SetOutputBounds,
+ video_processor_ProcessEvent,
+ video_processor_ProcessMessage,
+ video_processor_ProcessInput,
+ video_processor_ProcessOutput,
+};
+
+struct class_factory
+{
+ IClassFactory IClassFactory_iface;
+ LONG refcount;
+ HRESULT (*create_instance)(REFIID riid, void **obj);
+};
+
+static struct class_factory *impl_from_IClassFactory(IClassFactory *iface)
+{
+ return CONTAINING_RECORD(iface, struct class_factory, IClassFactory_iface);
+}
+
+static HRESULT WINAPI class_factory_QueryInterface(IClassFactory *iface, REFIID riid, void **obj)
+{
+ TRACE("%p, %s, %p.\n", iface, debugstr_guid(riid), obj);
+
+ if (IsEqualGUID(riid, &IID_IClassFactory) ||
+ IsEqualGUID(riid, &IID_IUnknown))
+ {
+ *obj = iface;
+ IClassFactory_AddRef(iface);
+ return S_OK;
+ }
+
+ WARN("%s is not supported.\n", debugstr_guid(riid));
+ *obj = NULL;
+ return E_NOINTERFACE;
+}
+
+static ULONG WINAPI class_factory_AddRef(IClassFactory *iface)
+{
+ struct class_factory *factory = impl_from_IClassFactory(iface);
+ return InterlockedIncrement(&factory->refcount);
+}
+
+static ULONG WINAPI class_factory_Release(IClassFactory *iface)
+{
+ struct class_factory *factory = impl_from_IClassFactory(iface);
+ ULONG refcount = InterlockedDecrement(&factory->refcount);
+
+ if (!refcount)
+ heap_free(factory);
+
+ return refcount;
+}
+
+static HRESULT WINAPI class_factory_CreateInstance(IClassFactory *iface, IUnknown *outer, REFIID riid, void **obj)
+{
+ struct class_factory *factory = impl_from_IClassFactory(iface);
+
+ TRACE("%p, %p, %s, %p.\n", iface, outer, debugstr_guid(riid), obj);
+
+ if (outer)
+ {
+ *obj = NULL;
+ return CLASS_E_NOAGGREGATION;
+ }
+
+ return factory->create_instance(riid, obj);
+}
+
+static HRESULT WINAPI class_factory_LockServer(IClassFactory *iface, BOOL dolock)
+{
+ TRACE("%p, %d.\n", iface, dolock);
+
+ if (dolock)
+ InterlockedIncrement(&object_locks);
+ else
+ InterlockedDecrement(&object_locks);
+
+ return S_OK;
+}
+
+static const IClassFactoryVtbl class_factory_vtbl =
+{
+ class_factory_QueryInterface,
+ class_factory_AddRef,
+ class_factory_Release,
+ class_factory_CreateInstance,
+ class_factory_LockServer,
+};
+
+static HRESULT video_processor_create(REFIID riid, void **ret)
+{
+ struct video_processor *object;
+ HRESULT hr;
+
+ if (!(object = heap_alloc_zero(sizeof(*object))))
+ return E_OUTOFMEMORY;
+
+ object->IMFTransform_iface.lpVtbl = &video_processor_vtbl;
+ object->refcount = 1;
+
+ if (FAILED(hr = MFCreateAttributes(&object->attributes, 0)))
+ goto failed;
+
+ if (FAILED(hr = MFCreateAttributes(&object->output_attributes, 0)))
+ goto failed;
+
+ *ret = &object->IMFTransform_iface;
+ return S_OK;
+
+failed:
+
+ IMFTransform_Release(&object->IMFTransform_iface);
+ return hr;
+}
+
+static const struct class_object
+{
+ const GUID *clsid;
+ HRESULT (*create_instance)(REFIID riid, void **obj);
+}
+class_objects[] =
+{
+ { &CLSID_VideoProcessorMFT, &video_processor_create },
+};
+
+HRESULT mfplat_get_class_object(REFCLSID rclsid, REFIID riid, void **obj)
+{
+ struct class_factory *factory;
+ unsigned int i;
+ HRESULT hr;
+
+ for (i = 0; i < ARRAY_SIZE(class_objects); ++i)
+ {
+ if (IsEqualGUID(class_objects[i].clsid, rclsid))
+ {
+ if (!(factory = heap_alloc(sizeof(*factory))))
+ return E_OUTOFMEMORY;
+
+ factory->IClassFactory_iface.lpVtbl = &class_factory_vtbl;
+ factory->refcount = 1;
+ factory->create_instance = class_objects[i].create_instance;
+
+ hr = IClassFactory_QueryInterface(&factory->IClassFactory_iface, riid, obj);
+ IClassFactory_Release(&factory->IClassFactory_iface);
+ return hr;
+ }
+ }
+
+ return CLASS_E_CLASSNOTAVAILABLE;
+}
+
+HRESULT mfplat_can_unload_now(void)
+{
+ return !object_locks ? S_OK : S_FALSE;
+}
diff --git a/dlls/winegstreamer/mfplat.idl b/dlls/winegstreamer/mfplat.idl
new file mode 100644
index 0000000000..05a75bdb8e
--- /dev/null
+++ b/dlls/winegstreamer/mfplat.idl
@@ -0,0 +1,26 @@
+/*
+ * Copyright 2019 Nikolay Sivov for CodeWeavers
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#pragma makedep register
+
+[
+ threading(both),
+ uuid(88753b26-5b24-49bd-b2e7-0c445c78c982)
+
+]
+coclass VideoProcessorMFT { }
--
2.20.1
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