[PATCH] qedit: Block in the Null Renderer during rendering when paused.

Gabriel Ivăncescu gabrielopcode at gmail.com
Wed Oct 7 07:41:46 CDT 2020


Signed-off-by: Gabriel Ivăncescu <gabrielopcode at gmail.com>
---
 dlls/qedit/nullrenderer.c       |  24 ++
 dlls/qedit/tests/nullrenderer.c | 521 ++++++++++++++++++++++++++++++++
 2 files changed, 545 insertions(+)

diff --git a/dlls/qedit/nullrenderer.c b/dlls/qedit/nullrenderer.c
index c64d5e2..f1dbea2 100644
--- a/dlls/qedit/nullrenderer.c
+++ b/dlls/qedit/nullrenderer.c
@@ -29,6 +29,7 @@ WINE_DEFAULT_DEBUG_CHANNEL(qedit);
 struct null_renderer
 {
     struct strmbase_renderer renderer;
+    HANDLE run_event;
 };
 
 static struct null_renderer *impl_from_strmbase_renderer(struct strmbase_renderer *iface)
@@ -41,7 +42,14 @@ static HRESULT WINAPI NullRenderer_DoRenderSample(struct strmbase_renderer *ifac
     struct null_renderer *filter = impl_from_strmbase_renderer(iface);
 
     if (filter->renderer.filter.state == State_Paused)
+    {
+        const HANDLE events[2] = { filter->run_event, filter->renderer.flush_event };
+
         SetEvent(filter->renderer.state_event);
+        LeaveCriticalSection(&filter->renderer.csRenderLock);
+        WaitForMultipleObjects(2, events, FALSE, INFINITE);
+        EnterCriticalSection(&filter->renderer.csRenderLock);
+    }
 
     return S_OK;
 }
@@ -56,14 +64,29 @@ static void null_renderer_destroy(struct strmbase_renderer *iface)
 {
     struct null_renderer *filter = impl_from_strmbase_renderer(iface);
 
+    CloseHandle(filter->run_event);
     strmbase_renderer_cleanup(&filter->renderer);
     free(filter);
 }
 
+static void null_renderer_start_stream(struct strmbase_renderer *iface)
+{
+    struct null_renderer *filter = impl_from_strmbase_renderer(iface);
+    SetEvent(filter->run_event);
+}
+
+static void null_renderer_stop_stream(struct strmbase_renderer *iface)
+{
+    struct null_renderer *filter = impl_from_strmbase_renderer(iface);
+    ResetEvent(filter->run_event);
+}
+
 static const struct strmbase_renderer_ops renderer_ops =
 {
     .pfnCheckMediaType = NullRenderer_CheckMediaType,
     .pfnDoRenderSample = NullRenderer_DoRenderSample,
+    .renderer_start_stream = null_renderer_start_stream,
+    .renderer_stop_stream = null_renderer_stop_stream,
     .renderer_destroy = null_renderer_destroy,
 };
 
@@ -75,6 +98,7 @@ HRESULT null_renderer_create(IUnknown *outer, IUnknown **out)
         return E_OUTOFMEMORY;
 
     strmbase_renderer_init(&object->renderer, outer, &CLSID_NullRenderer, L"In", &renderer_ops);
+    object->run_event = CreateEventW(NULL, TRUE, FALSE, NULL);
 
     TRACE("Created null renderer %p.\n", object);
     *out = &object->renderer.filter.IUnknown_inner;
diff --git a/dlls/qedit/tests/nullrenderer.c b/dlls/qedit/tests/nullrenderer.c
index 8f26e47..01fda46 100644
--- a/dlls/qedit/tests/nullrenderer.c
+++ b/dlls/qedit/tests/nullrenderer.c
@@ -20,6 +20,7 @@
 
 #define COBJMACROS
 #include "dshow.h"
+#include "wine/strmbase.h"
 #include "wine/test.h"
 
 static IBaseFilter *create_null_renderer(void)
@@ -420,6 +421,525 @@ static void test_enum_media_types(void)
     ok(!ref, "Got outstanding refcount %d.\n", ref);
 }
 
+struct testfilter
+{
+    struct strmbase_filter filter;
+    struct strmbase_source source;
+    IMediaSeeking IMediaSeeking_iface;
+};
+
+static inline struct testfilter *impl_from_strmbase_filter(struct strmbase_filter *iface)
+{
+    return CONTAINING_RECORD(iface, struct testfilter, filter);
+}
+
+static struct strmbase_pin *testfilter_get_pin(struct strmbase_filter *iface, unsigned int index)
+{
+    struct testfilter *filter = impl_from_strmbase_filter(iface);
+
+    return index ? NULL : &filter->source.pin;
+}
+
+static void testfilter_destroy(struct strmbase_filter *iface)
+{
+    struct testfilter *filter = impl_from_strmbase_filter(iface);
+
+    strmbase_source_cleanup(&filter->source);
+    strmbase_filter_cleanup(&filter->filter);
+}
+
+static HRESULT testfilter_init_stream(struct strmbase_filter *iface)
+{
+    struct testfilter *filter = impl_from_strmbase_filter(iface);
+    HRESULT hr;
+
+    hr = BaseOutputPinImpl_Active(&filter->source);
+    ok(hr == S_OK, "Got hr %#x.\n", hr);
+
+    return hr;
+}
+
+static HRESULT testfilter_cleanup_stream(struct strmbase_filter *iface)
+{
+    struct testfilter *filter = impl_from_strmbase_filter(iface);
+    HRESULT hr;
+
+    hr = BaseOutputPinImpl_Inactive(&filter->source);
+    ok(hr == S_OK, "Got hr %#x.\n", hr);
+
+    return hr;
+}
+
+static const struct strmbase_filter_ops testfilter_ops =
+{
+    .filter_get_pin = testfilter_get_pin,
+    .filter_destroy = testfilter_destroy,
+    .filter_init_stream = testfilter_init_stream,
+    .filter_cleanup_stream = testfilter_cleanup_stream
+};
+
+static HRESULT testsource_get_media_type(struct strmbase_pin *iface, unsigned int index, AM_MEDIA_TYPE *mt)
+{
+    static const VIDEOINFOHEADER source_format =
+    {
+        .bmiHeader.biSize = sizeof(BITMAPINFOHEADER),
+        .bmiHeader.biWidth = 32,
+        .bmiHeader.biHeight = -16,
+        .bmiHeader.biPlanes = 1,
+        .bmiHeader.biBitCount = 16,
+        .bmiHeader.biCompression = BI_RGB,
+        .bmiHeader.biSizeImage = 32 * 16 * 2
+    };
+
+    if (index)
+        return S_FALSE;
+
+    mt->majortype = MEDIATYPE_Video;
+    mt->subtype = MEDIASUBTYPE_RGB565;
+    mt->bFixedSizeSamples = TRUE;
+    mt->bTemporalCompression = FALSE;
+    mt->lSampleSize = source_format.bmiHeader.biSizeImage;
+    mt->formattype = FORMAT_VideoInfo;
+    mt->pUnk = NULL;
+    mt->cbFormat = sizeof(source_format);
+    mt->pbFormat = CoTaskMemAlloc(mt->cbFormat);
+    memcpy(mt->pbFormat, &source_format, mt->cbFormat);
+    return S_OK;
+}
+
+static HRESULT testsource_query_interface(struct strmbase_pin *iface, REFIID iid, void **out)
+{
+    struct testfilter *filter = impl_from_strmbase_filter(iface->filter);
+
+    if (IsEqualGUID(iid, &IID_IMediaSeeking))
+        *out = &filter->IMediaSeeking_iface;
+    else
+        return E_NOINTERFACE;
+
+    IUnknown_AddRef((IUnknown *)*out);
+    return S_OK;
+}
+
+static HRESULT WINAPI testsource_DecideBufferSize(struct strmbase_source *iface,
+        IMemAllocator *allocator, ALLOCATOR_PROPERTIES *requested)
+{
+    ALLOCATOR_PROPERTIES actual;
+
+    if (!requested->cbAlign)
+        requested->cbAlign = 1;
+
+    if (requested->cbBuffer < 32 * 16 * 2)
+        requested->cbBuffer = 32 * 16 * 2;
+
+    if (!requested->cBuffers)
+        requested->cBuffers = 1;
+
+    return IMemAllocator_SetProperties(allocator, requested, &actual);
+}
+
+static HRESULT WINAPI testsource_DecideAllocator(struct strmbase_source *iface,
+        IMemInputPin *peer, IMemAllocator **allocator)
+{
+    ALLOCATOR_PROPERTIES props = {0};
+    HRESULT hr;
+
+    hr = BaseOutputPinImpl_InitAllocator(iface, allocator);
+    ok(hr == S_OK, "Got hr %#x.\n", hr);
+
+    IMemInputPin_GetAllocatorRequirements(peer, &props);
+    hr = testsource_DecideBufferSize(iface, *allocator, &props);
+    ok(hr == S_OK, "Got hr %#x.\n", hr);
+
+    return IMemInputPin_NotifyAllocator(peer, *allocator, FALSE);
+}
+
+static const struct strmbase_source_ops testsource_ops =
+{
+    .base.pin_get_media_type = testsource_get_media_type,
+    .base.pin_query_interface = testsource_query_interface,
+    .pfnAttemptConnection = BaseOutputPinImpl_AttemptConnection,
+    .pfnDecideBufferSize = testsource_DecideBufferSize,
+    .pfnDecideAllocator = testsource_DecideAllocator
+};
+
+static struct testfilter *impl_from_IMediaSeeking(IMediaSeeking *iface)
+{
+    return CONTAINING_RECORD(iface, struct testfilter, IMediaSeeking_iface);
+}
+
+static HRESULT WINAPI testseek_QueryInterface(IMediaSeeking *iface, REFIID iid, void **out)
+{
+    struct testfilter *filter = impl_from_IMediaSeeking(iface);
+    return IUnknown_QueryInterface(filter->filter.outer_unk, iid, out);
+}
+
+static ULONG WINAPI testseek_AddRef(IMediaSeeking *iface)
+{
+    struct testfilter *filter = impl_from_IMediaSeeking(iface);
+    return IUnknown_AddRef(filter->filter.outer_unk);
+}
+
+static ULONG WINAPI testseek_Release(IMediaSeeking *iface)
+{
+    struct testfilter *filter = impl_from_IMediaSeeking(iface);
+    return IUnknown_Release(filter->filter.outer_unk);
+}
+
+static HRESULT WINAPI testseek_GetCapabilities(IMediaSeeking *iface, DWORD *caps)
+{
+    ok(0, "Unexpected call.\n");
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI testseek_CheckCapabilities(IMediaSeeking *iface, DWORD *caps)
+{
+    ok(0, "Unexpected call.\n");
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI testseek_IsFormatSupported(IMediaSeeking *iface, const GUID *format)
+{
+    if (winetest_debug > 1) trace("IMediaSeeking_IsFormatSupported(%s)\n", wine_dbgstr_guid(format));
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI testseek_QueryPreferredFormat(IMediaSeeking *iface, GUID *format)
+{
+    ok(0, "Unexpected call.\n");
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI testseek_GetTimeFormat(IMediaSeeking *iface, GUID *format)
+{
+    if (winetest_debug > 1) trace("IMediaSeeking_GetTimeFormat()\n");
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI testseek_IsUsingTimeFormat(IMediaSeeking *iface, const GUID *format)
+{
+    ok(0, "Unexpected call.\n");
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI testseek_SetTimeFormat(IMediaSeeking *iface, const GUID *format)
+{
+    ok(0, "Unexpected call.\n");
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI testseek_GetDuration(IMediaSeeking *iface, LONGLONG *duration)
+{
+    ok(0, "Unexpected call.\n");
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI testseek_GetStopPosition(IMediaSeeking *iface, LONGLONG *stop)
+{
+    if (winetest_debug > 1) trace("IMediaSeeking_GetStopPosition()\n");
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI testseek_GetCurrentPosition(IMediaSeeking *iface, LONGLONG *current)
+{
+    ok(0, "Unexpected call.\n");
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI testseek_ConvertTimeFormat(IMediaSeeking *iface, LONGLONG *target,
+    const GUID *target_format, LONGLONG source, const GUID *source_format)
+{
+    ok(0, "Unexpected call.\n");
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI testseek_SetPositions(IMediaSeeking *iface, LONGLONG *current,
+    DWORD current_flags, LONGLONG *stop, DWORD stop_flags )
+{
+    if (winetest_debug > 1) trace("IMediaSeeking_SetPositions()\n");
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI testseek_GetPositions(IMediaSeeking *iface, LONGLONG *current, LONGLONG *stop)
+{
+    ok(0, "Unexpected call.\n");
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI testseek_GetAvailable(IMediaSeeking *iface, LONGLONG *earliest, LONGLONG *latest)
+{
+    ok(0, "Unexpected call.\n");
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI testseek_SetRate(IMediaSeeking *iface, double rate)
+{
+    ok(0, "Unexpected call.\n");
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI testseek_GetRate(IMediaSeeking *iface, double *rate)
+{
+    ok(0, "Unexpected call.\n");
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI testseek_GetPreroll(IMediaSeeking *iface, LONGLONG *preroll)
+{
+    ok(0, "Unexpected call.\n");
+    return E_NOTIMPL;
+}
+
+static const IMediaSeekingVtbl testseek_vtbl =
+{
+    testseek_QueryInterface,
+    testseek_AddRef,
+    testseek_Release,
+    testseek_GetCapabilities,
+    testseek_CheckCapabilities,
+    testseek_IsFormatSupported,
+    testseek_QueryPreferredFormat,
+    testseek_GetTimeFormat,
+    testseek_IsUsingTimeFormat,
+    testseek_SetTimeFormat,
+    testseek_GetDuration,
+    testseek_GetStopPosition,
+    testseek_GetCurrentPosition,
+    testseek_ConvertTimeFormat,
+    testseek_SetPositions,
+    testseek_GetPositions,
+    testseek_GetAvailable,
+    testseek_SetRate,
+    testseek_GetRate,
+    testseek_GetPreroll
+};
+
+static void testfilter_init(struct testfilter *filter)
+{
+    static const GUID clsid = {0xabacab};
+
+    strmbase_filter_init(&filter->filter, NULL, &clsid, &testfilter_ops);
+    strmbase_source_init(&filter->source, &filter->filter, L"", &testsource_ops);
+    filter->IMediaSeeking_iface.lpVtbl = &testseek_vtbl;
+}
+
+struct frame_thread_params
+{
+    IMemInputPin *sink;
+    IMediaSample *sample;
+};
+
+static DWORD WINAPI frame_thread(void *arg)
+{
+    struct frame_thread_params *params = arg;
+    HRESULT hr;
+
+    if (winetest_debug > 1) trace("%04x: Sending frame.\n", GetCurrentThreadId());
+    hr = IMemInputPin_Receive(params->sink, params->sample);
+    if (winetest_debug > 1) trace("%04x: Returned %#x.\n", GetCurrentThreadId(), hr);
+    IMediaSample_Release(params->sample);
+    free(params);
+    return hr;
+}
+
+static HANDLE send_frame(IMemInputPin *sink)
+{
+    struct frame_thread_params *params = malloc(sizeof(*params));
+    REFERENCE_TIME start_time, end_time;
+    IMemAllocator *allocator;
+    IMediaSample *sample;
+    HANDLE thread;
+    HRESULT hr;
+    BYTE *data;
+
+    hr = IMemInputPin_GetAllocator(sink, &allocator);
+    ok(hr == S_OK, "Got hr %#x.\n", hr);
+
+    hr = IMemAllocator_GetBuffer(allocator, &sample, NULL, NULL, 0);
+    if (hr == VFW_E_NOT_COMMITTED)
+    {
+        IMemAllocator_Commit(allocator);
+        hr = IMemAllocator_GetBuffer(allocator, &sample, NULL, NULL, 0);
+    }
+    ok(hr == S_OK, "Got hr %#x.\n", hr);
+
+    hr = IMediaSample_GetPointer(sample, &data);
+    ok(hr == S_OK, "Got hr %#x.\n", hr);
+    memset(data, 0xaa, 32 * 16 * 2);
+
+    hr = IMediaSample_SetActualDataLength(sample, 32 * 16 * 2);
+    ok(hr == S_OK, "Got hr %#x.\n", hr);
+
+    start_time = 0;
+    end_time = 400000;
+    hr = IMediaSample_SetTime(sample, &start_time, &end_time);
+    ok(hr == S_OK, "Got hr %#x.\n", hr);
+
+    params->sink = sink;
+    params->sample = sample;
+    thread = CreateThread(NULL, 0, frame_thread, params, 0, NULL);
+
+    IMemAllocator_Release(allocator);
+    return thread;
+}
+
+static HRESULT join_thread_(unsigned line, HANDLE thread)
+{
+    DWORD ret;
+    ok_(__FILE__, line)(!WaitForSingleObject(thread, 1000), "Wait failed.\n");
+    GetExitCodeThread(thread, &ret);
+    CloseHandle(thread);
+    return ret;
+}
+#define join_thread(thread) join_thread_(__LINE__, thread)
+
+static void test_state(void)
+{
+    IBaseFilter *renderer = create_null_renderer();
+    struct testfilter testfilter;
+    IMediaControl *control;
+    IGraphBuilder *graph;
+    OAFilterState state;
+    IMemInputPin *input;
+    IEnumPins *pins;
+    HANDLE thread;
+    HRESULT hr;
+    IPin *pin;
+
+    testfilter_init(&testfilter);
+
+    hr = CoCreateInstance(&CLSID_FilterGraph, NULL, CLSCTX_INPROC_SERVER, &IID_IGraphBuilder, (void**)&graph);
+    ok(hr == S_OK, "Failed to create Filter Graph: %08x.\n", hr);
+    hr = IGraphBuilder_AddFilter(graph, &testfilter.filter.IBaseFilter_iface, L"Source");
+    ok(hr == S_OK, "Got hr %#x.\n", hr);
+    hr = IGraphBuilder_AddFilter(graph, renderer, L"NullRenderer");
+    ok(hr == S_OK, "Got hr %#x.\n", hr);
+
+    hr = IBaseFilter_EnumPins(renderer, &pins);
+    ok(hr == S_OK, "Got hr %#x.\n", hr);
+    hr = IEnumPins_Next(pins, 1, &pin, NULL);
+    ok(hr == S_OK, "Got hr %#x.\n", hr);
+    IEnumPins_Release(pins);
+
+    hr = IGraphBuilder_Connect(graph, &testfilter.source.pin.IPin_iface, pin);
+    ok(hr == S_OK, "Got hr %#x.\n", hr);
+    hr = IPin_QueryInterface(testfilter.source.pin.peer, &IID_IMemInputPin, (void**)&input);
+    ok(hr == S_OK, "QueryInterface for IID_IMemInputPin failed: %08x\n", hr);
+    hr = IGraphBuilder_QueryInterface(graph, &IID_IMediaControl, (void**)&control);
+    ok(hr == S_OK, "QueryInterface for IID_IMediaControl failed: %08x\n", hr);
+    IBaseFilter_Release(&testfilter.filter.IBaseFilter_iface);
+    IBaseFilter_Release(renderer);
+    IGraphBuilder_Release(graph);
+    IPin_Release(pin);
+
+    /* Pause should block */
+    thread = send_frame(input);
+    hr = join_thread(thread);
+    todo_wine ok(hr == E_FAIL, "Got hr %#x.\n", hr);
+
+    hr = IMediaControl_Pause(control);
+    ok(hr == S_FALSE, "Got hr %#x.\n", hr);
+    hr = IMediaControl_GetState(control, 0, &state);
+    ok(hr == VFW_S_STATE_INTERMEDIATE, "Got hr %#x.\n", hr);
+
+    thread = send_frame(input);
+
+    hr = IMediaControl_GetState(control, 1000, &state);
+    ok(hr == S_OK, "Got hr %#x.\n", hr);
+    ok(WaitForSingleObject(thread, 100) == WAIT_TIMEOUT, "Thread should block in Receive().\n");
+
+    hr = IMediaControl_Stop(control);
+    ok(hr == S_OK, "Got hr %#x.\n", hr);
+    hr = join_thread(thread);
+    ok(hr == S_OK, "Got hr %#x.\n", hr);
+
+    hr = IMediaControl_Pause(control);
+    ok(hr == S_FALSE, "Got hr %#x.\n", hr);
+    hr = IMediaControl_GetState(control, 0, &state);
+    ok(hr == VFW_S_STATE_INTERMEDIATE, "Got hr %#x.\n", hr);
+
+    thread = send_frame(input);
+
+    hr = IMediaControl_GetState(control, 1000, &state);
+    ok(hr == S_OK, "Got hr %#x.\n", hr);
+    ok(WaitForSingleObject(thread, 100) == WAIT_TIMEOUT, "Thread should block in Receive().\n");
+
+    hr = IMediaControl_Run(control);
+    ok(hr == S_OK, "Got hr %#x.\n", hr);
+    hr = IMediaControl_GetState(control, 0, &state);
+    ok(hr == S_OK, "Got hr %#x.\n", hr);
+
+    hr = join_thread(thread);
+    ok(hr == S_OK, "Got hr %#x.\n", hr);
+    thread = send_frame(input);
+    hr = join_thread(thread);
+    ok(hr == S_OK, "Got hr %#x.\n", hr);
+
+    hr = IMediaControl_Pause(control);
+    todo_wine ok(hr == S_FALSE, "Got hr %#x.\n", hr);
+    hr = IMediaControl_GetState(control, 0, &state);
+    todo_wine ok(hr == VFW_S_STATE_INTERMEDIATE, "Got hr %#x.\n", hr);
+
+    thread = send_frame(input);
+
+    hr = IMediaControl_GetState(control, 1000, &state);
+    ok(hr == S_OK, "Got hr %#x.\n", hr);
+    ok(WaitForSingleObject(thread, 100) == WAIT_TIMEOUT, "Thread should block in Receive().\n");
+
+    hr = IMediaControl_Stop(control);
+    ok(hr == S_OK, "Got hr %#x.\n", hr);
+    hr = IMediaControl_GetState(control, 0, &state);
+    ok(hr == S_OK, "Got hr %#x.\n", hr);
+
+    /* Test flushing */
+    hr = IMediaControl_Pause(control);
+    ok(hr == S_FALSE, "Got hr %#x.\n", hr);
+
+    thread = send_frame(input);
+    ok(WaitForSingleObject(thread, 100) == WAIT_TIMEOUT, "Thread should block in Receive().\n");
+
+    hr = IMediaControl_GetState(control, 0, &state);
+    ok(hr == S_OK, "Got hr %#x.\n", hr);
+
+    hr = IPin_BeginFlush(pin);
+    ok(hr == S_OK, "Got hr %#x.\n", hr);
+
+    hr = join_thread(thread);
+    ok(hr == S_OK, "Got hr %#x.\n", hr);
+    hr = join_thread(send_frame(input));
+    todo_wine ok(hr == E_FAIL, "Got hr %#x.\n", hr);
+
+    hr = IPin_EndFlush(pin);
+    ok(hr == S_OK, "Got hr %#x.\n", hr);
+
+    hr = IMediaControl_GetState(control, 0, &state);
+    todo_wine ok(hr == VFW_S_STATE_INTERMEDIATE, "Got hr %#x.\n", hr);
+
+    thread = send_frame(input);
+    ok(WaitForSingleObject(thread, 100) == WAIT_TIMEOUT, "Thread should block in Receive().\n");
+
+    hr = IMediaControl_Run(control);
+    ok(hr == S_OK, "Got hr %#x.\n", hr);
+    hr = join_thread(thread);
+    ok(hr == S_OK, "Got hr %#x.\n", hr);
+
+    hr = IPin_BeginFlush(pin);
+    ok(hr == S_OK, "Got hr %#x.\n", hr);
+
+    hr = join_thread(send_frame(input));
+    todo_wine ok(hr == E_FAIL, "Got hr %#x.\n", hr);
+
+    hr = IPin_EndFlush(pin);
+    ok(hr == S_OK, "Got hr %#x.\n", hr);
+
+    hr = join_thread(send_frame(input));
+    ok(hr == S_OK, "Got hr %#x.\n", hr);
+
+    hr = IMediaControl_Stop(control);
+    ok(hr == S_OK, "Got hr %#x.\n", hr);
+
+    IMediaControl_Release(control);
+}
+
 START_TEST(nullrenderer)
 {
     IBaseFilter *filter;
@@ -443,6 +963,7 @@ START_TEST(nullrenderer)
     test_aggregation();
     test_media_types();
     test_enum_media_types();
+    test_state();
 
     CoUninitialize();
 }
-- 
2.21.0




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