qcap: Add a stub file writer filter.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=40820
Signed-off-by: Zebediah Figura <z.figura12@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>

dlls/qcap/Makefile.in

@@ -8,6 +8,7 @@ C_SRCS = \
 	avico.c \
 	avimux.c \
 	capturegraph.c \
+	filewriter.c \
 	filter.c \
 	mediatype.c \
 	pin.c \

dlls/qcap/filewriter.c

@@ -0,0 +1,68 @@
+/*
+ * File writer filter
+ *
+ * Copyright (C) 2020 Zebediah Figura
+ *
+ * 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 "dshow.h"
+#include "qcap_main.h"
+#include "wine/debug.h"
+
+WINE_DEFAULT_DEBUG_CHANNEL(qcap);
+
+struct file_writer
+{
+    struct strmbase_filter filter;
+};
+
+static inline struct file_writer *impl_from_strmbase_filter(struct strmbase_filter *iface)
+{
+    return CONTAINING_RECORD(iface, struct file_writer, filter);
+}
+
+static struct strmbase_pin *file_writer_get_pin(struct strmbase_filter *iface, unsigned int index)
+{
+    return NULL;
+}
+
+static void file_writer_destroy(struct strmbase_filter *iface)
+{
+    struct file_writer *filter = impl_from_strmbase_filter(iface);
+
+    strmbase_filter_cleanup(&filter->filter);
+    heap_free(filter);
+}
+
+static struct strmbase_filter_ops filter_ops =
+{
+    .filter_get_pin = file_writer_get_pin,
+    .filter_destroy = file_writer_destroy,
+};
+
+HRESULT file_writer_create(IUnknown *outer, IUnknown **out)
+{
+    struct file_writer *object;
+
+    if (!(object = heap_alloc_zero(sizeof(*object))))
+        return E_OUTOFMEMORY;
+
+    strmbase_filter_init(&object->filter, outer, &CLSID_FileWriter, &filter_ops);
+
+    TRACE("Created file writer %p.\n", object);
+    *out = &object->filter.IUnknown_inner;
+    return S_OK;
+}

dlls/qcap/qcap_classes.idl

@@ -55,6 +55,12 @@ coclass CaptureGraphBuilder {}
 ]
 coclass CaptureGraphBuilder2 {}
 
+[
+    threading(both),
+    uuid(8596e5f0-0da5-11d0-bd21-00a0c911ce86)
+]
+coclass FileWriter {}
+
 [
     helpstring("Smart Tee Filter"),
     threading(both),

dlls/qcap/qcap_main.c

@@ -129,6 +129,7 @@ static struct class_factory audio_record_cf = {{&class_factory_vtbl}, audio_reco
 static struct class_factory avi_compressor_cf = {{&class_factory_vtbl}, avi_compressor_create};
 static struct class_factory avi_mux_cf = {{&class_factory_vtbl}, avi_mux_create};
 static struct class_factory capture_graph_cf = {{&class_factory_vtbl}, capture_graph_create};
+static struct class_factory file_writer_cf = {{&class_factory_vtbl}, file_writer_create};
 static struct class_factory smart_tee_cf = {{&class_factory_vtbl}, smart_tee_create};
 static struct class_factory vfw_capture_cf = {{&class_factory_vtbl}, vfw_capture_create};
 
@@ -158,6 +159,8 @@ HRESULT WINAPI DllGetClassObject(REFCLSID clsid, REFIID iid, void **out)
         factory = &capture_graph_cf;
     else if (IsEqualGUID(clsid, &CLSID_CaptureGraphBuilder2))
         factory = &capture_graph_cf;
+    else if (IsEqualGUID(clsid, &CLSID_FileWriter))
+        factory = &file_writer_cf;
     else if (IsEqualGUID(clsid, &CLSID_SmartTee))
         factory = &smart_tee_cf;
     else if (IsEqualGUID(clsid, &CLSID_VfwCapture))

dlls/qcap/qcap_main.h

@@ -29,6 +29,7 @@ HRESULT audio_record_create(IUnknown *outer, IUnknown **out) DECLSPEC_HIDDEN;
 HRESULT avi_compressor_create(IUnknown *outer, IUnknown **out) DECLSPEC_HIDDEN;
 HRESULT avi_mux_create(IUnknown *outer, IUnknown **out) DECLSPEC_HIDDEN;
 HRESULT capture_graph_create(IUnknown *outer, IUnknown **out) DECLSPEC_HIDDEN;
+HRESULT file_writer_create(IUnknown *outer, IUnknown **out) DECLSPEC_HIDDEN;
 HRESULT smart_tee_create(IUnknown *outer, IUnknown **out) DECLSPEC_HIDDEN;
 HRESULT vfw_capture_create(IUnknown *outer, IUnknown **out) DECLSPEC_HIDDEN;
 

dlls/qcap/tests/Makefile.in

@@ -6,6 +6,7 @@ C_SRCS = \
 	avico.c \
 	avimux.c \
 	capturegraph.c \
+	filewriter.c \
 	qcap.c \
 	smartteefilter.c \
 	videocapture.c

dlls/qcap/tests/filewriter.c

@@ -0,0 +1,186 @@
+/*
+ * File writer filter unit tests
+ *
+ * Copyright (C) 2020 Zebediah Figura
+ *
+ * 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
+ */
+
+#define COBJMACROS
+#include "dshow.h"
+#include "wine/test.h"
+
+static IBaseFilter *create_file_writer(void)
+{
+    IBaseFilter *filter = NULL;
+    HRESULT hr = CoCreateInstance(&CLSID_FileWriter, NULL,
+            CLSCTX_INPROC_SERVER, &IID_IBaseFilter, (void **)&filter);
+    ok(hr == S_OK, "Got hr %#x.\n", hr);
+    return filter;
+}
+
+static ULONG get_refcount(void *iface)
+{
+    IUnknown *unknown = iface;
+    IUnknown_AddRef(unknown);
+    return IUnknown_Release(unknown);
+}
+
+#define check_interface(a, b, c) check_interface_(__LINE__, a, b, c)
+static void check_interface_(unsigned int line, void *iface_ptr, REFIID iid, BOOL supported)
+{
+    IUnknown *iface = iface_ptr;
+    HRESULT hr, expected_hr;
+    IUnknown *unk;
+
+    expected_hr = supported ? S_OK : E_NOINTERFACE;
+
+    hr = IUnknown_QueryInterface(iface, iid, (void **)&unk);
+    ok_(__FILE__, line)(hr == expected_hr, "Got hr %#x, expected %#x.\n", hr, expected_hr);
+    if (SUCCEEDED(hr))
+        IUnknown_Release(unk);
+}
+
+static void test_interfaces(void)
+{
+    IBaseFilter *filter = create_file_writer();
+
+    todo_wine check_interface(filter, &IID_IAMFilterMiscFlags, TRUE);
+    check_interface(filter, &IID_IBaseFilter, TRUE);
+    todo_wine check_interface(filter, &IID_IFileSinkFilter, TRUE);
+    todo_wine check_interface(filter, &IID_IFileSinkFilter2, TRUE);
+    check_interface(filter, &IID_IMediaFilter, TRUE);
+    check_interface(filter, &IID_IPersist, TRUE);
+    todo_wine check_interface(filter, &IID_IPersistStream, TRUE);
+    check_interface(filter, &IID_IUnknown, TRUE);
+
+    check_interface(filter, &IID_IBasicAudio, FALSE);
+    check_interface(filter, &IID_IBasicVideo, FALSE);
+    check_interface(filter, &IID_IKsPropertySet, FALSE);
+    check_interface(filter, &IID_IMediaPosition, FALSE);
+    check_interface(filter, &IID_IMediaSeeking, FALSE);
+    check_interface(filter, &IID_IPersistPropertyBag, FALSE);
+    check_interface(filter, &IID_IPin, FALSE);
+    check_interface(filter, &IID_IQualityControl, FALSE);
+    check_interface(filter, &IID_IQualProp, FALSE);
+    check_interface(filter, &IID_IReferenceClock, FALSE);
+    check_interface(filter, &IID_IVideoWindow, FALSE);
+
+    IBaseFilter_Release(filter);
+}
+
+static const GUID test_iid = {0x33333333};
+static LONG outer_ref = 1;
+
+static HRESULT WINAPI outer_QueryInterface(IUnknown *iface, REFIID iid, void **out)
+{
+    if (IsEqualGUID(iid, &IID_IUnknown)
+            || IsEqualGUID(iid, &IID_IBaseFilter)
+            || IsEqualGUID(iid, &test_iid))
+    {
+        *out = (IUnknown *)0xdeadbeef;
+        return S_OK;
+    }
+    ok(0, "unexpected call %s\n", wine_dbgstr_guid(iid));
+    return E_NOINTERFACE;
+}
+
+static ULONG WINAPI outer_AddRef(IUnknown *iface)
+{
+    return InterlockedIncrement(&outer_ref);
+}
+
+static ULONG WINAPI outer_Release(IUnknown *iface)
+{
+    return InterlockedDecrement(&outer_ref);
+}
+
+static const IUnknownVtbl outer_vtbl =
+{
+    outer_QueryInterface,
+    outer_AddRef,
+    outer_Release,
+};
+
+static IUnknown test_outer = {&outer_vtbl};
+
+static void test_aggregation(void)
+{
+    IBaseFilter *filter, *filter2;
+    IUnknown *unk, *unk2;
+    HRESULT hr;
+    ULONG ref;
+
+    filter = (IBaseFilter *)0xdeadbeef;
+    hr = CoCreateInstance(&CLSID_FileWriter, &test_outer, CLSCTX_INPROC_SERVER,
+            &IID_IBaseFilter, (void **)&filter);
+    ok(hr == E_NOINTERFACE, "Got hr %#x.\n", hr);
+    ok(!filter, "Got interface %p.\n", filter);
+
+    hr = CoCreateInstance(&CLSID_FileWriter, &test_outer, CLSCTX_INPROC_SERVER,
+            &IID_IUnknown, (void **)&unk);
+    ok(hr == S_OK, "Got hr %#x.\n", hr);
+    ok(outer_ref == 1, "Got unexpected refcount %d.\n", outer_ref);
+    ok(unk != &test_outer, "Returned IUnknown should not be outer IUnknown.\n");
+    ref = get_refcount(unk);
+    ok(ref == 1, "Got unexpected refcount %d.\n", ref);
+
+    ref = IUnknown_AddRef(unk);
+    ok(ref == 2, "Got unexpected refcount %d.\n", ref);
+    ok(outer_ref == 1, "Got unexpected refcount %d.\n", outer_ref);
+
+    ref = IUnknown_Release(unk);
+    ok(ref == 1, "Got unexpected refcount %d.\n", ref);
+    ok(outer_ref == 1, "Got unexpected refcount %d.\n", outer_ref);
+
+    hr = IUnknown_QueryInterface(unk, &IID_IUnknown, (void **)&unk2);
+    ok(hr == S_OK, "Got hr %#x.\n", hr);
+    ok(unk2 == unk, "Got unexpected IUnknown %p.\n", unk2);
+    IUnknown_Release(unk2);
+
+    hr = IUnknown_QueryInterface(unk, &IID_IBaseFilter, (void **)&filter);
+    ok(hr == S_OK, "Got hr %#x.\n", hr);
+
+    hr = IBaseFilter_QueryInterface(filter, &IID_IUnknown, (void **)&unk2);
+    ok(hr == S_OK, "Got hr %#x.\n", hr);
+    ok(unk2 == (IUnknown *)0xdeadbeef, "Got unexpected IUnknown %p.\n", unk2);
+
+    hr = IBaseFilter_QueryInterface(filter, &IID_IBaseFilter, (void **)&filter2);
+    ok(hr == S_OK, "Got hr %#x.\n", hr);
+    ok(filter2 == (IBaseFilter *)0xdeadbeef, "Got unexpected IBaseFilter %p.\n", filter2);
+
+    hr = IUnknown_QueryInterface(unk, &test_iid, (void **)&unk2);
+    ok(hr == E_NOINTERFACE, "Got hr %#x.\n", hr);
+    ok(!unk2, "Got unexpected IUnknown %p.\n", unk2);
+
+    hr = IBaseFilter_QueryInterface(filter, &test_iid, (void **)&unk2);
+    ok(hr == S_OK, "Got hr %#x.\n", hr);
+    ok(unk2 == (IUnknown *)0xdeadbeef, "Got unexpected IUnknown %p.\n", unk2);
+
+    IBaseFilter_Release(filter);
+    ref = IUnknown_Release(unk);
+    ok(!ref, "Got unexpected refcount %d.\n", ref);
+    ok(outer_ref == 1, "Got unexpected refcount %d.\n", outer_ref);
+}
+
+START_TEST(filewriter)
+{
+    CoInitializeEx(NULL, COINIT_MULTITHREADED);
+
+    test_interfaces();
+    test_aggregation();
+
+    CoUninitialize();
+}