evr/mixer: Implement GetOutputStatus().

dlls/evr/mixer.c

@@ -934,11 +934,37 @@ static HRESULT WINAPI video_mixer_transform_GetInputStatus(IMFTransform *iface,
     return hr;
 }
 
-static HRESULT WINAPI video_mixer_transform_GetOutputStatus(IMFTransform *iface, DWORD *flags)
+static HRESULT WINAPI video_mixer_transform_GetOutputStatus(IMFTransform *iface, DWORD *status)
 {
-    FIXME("%p, %p.\n", iface, flags);
+    struct video_mixer *mixer = impl_from_IMFTransform(iface);
+    HRESULT hr = S_OK;
+    unsigned int i;
 
-    return E_NOTIMPL;
+    TRACE("%p, %p.\n", iface, status);
+
+    if (!status)
+        return E_POINTER;
+
+    EnterCriticalSection(&mixer->cs);
+
+    if (!mixer->output.media_type)
+        hr = MF_E_TRANSFORM_TYPE_NOT_SET;
+    else
+    {
+        *status = MFT_OUTPUT_STATUS_SAMPLE_READY;
+        for (i = 0; i < mixer->input_count; ++i)
+        {
+            if (!mixer->inputs[i].sample)
+            {
+                *status = 0;
+                break;
+            }
+        }
+    }
+
+    LeaveCriticalSection(&mixer->cs);
+
+    return hr;
 }
 
 static HRESULT WINAPI video_mixer_transform_SetOutputBounds(IMFTransform *iface, LONGLONG lower, LONGLONG upper)

dlls/evr/tests/evr.c

@@ -2098,6 +2098,12 @@ static void test_mixer_samples(void)
     hr = IMFTransform_GetInputStatus(mixer, 1, &status);
     ok(hr == MF_E_TRANSFORM_TYPE_NOT_SET, "Unexpected hr %#x.\n", hr);
 
+    hr = IMFTransform_GetOutputStatus(mixer, NULL);
+    ok(hr == E_POINTER, "Unexpected hr %#x.\n", hr);
+
+    hr = IMFTransform_GetOutputStatus(mixer, &status);
+    ok(hr == MF_E_TRANSFORM_TYPE_NOT_SET, "Unexpected hr %#x.\n", hr);
+
     /* Configure device and media types. */
     hr = DXVA2CreateDirect3DDeviceManager9(&token, &manager);
     ok(hr == S_OK, "Unexpected hr %#x.\n", hr);
@@ -2132,6 +2138,11 @@ static void test_mixer_samples(void)
     hr = IMFTransform_GetInputStatus(mixer, 1, &status);
     ok(hr == MF_E_INVALIDSTREAMNUMBER, "Unexpected hr %#x.\n", hr);
 
+    status = ~0u;
+    hr = IMFTransform_GetOutputStatus(mixer, &status);
+    ok(hr == S_OK, "Unexpected hr %#x.\n", hr);
+    ok(!status, "Unexpected status %#x.\n", status);
+
     IMFMediaType_Release(video_type);
 
     memset(&buffer, 0, sizeof(buffer));
@@ -2190,6 +2201,11 @@ todo_wine
     ok(hr == S_OK, "Unexpected hr %#x.\n", hr);
     ok(status == MFT_INPUT_STATUS_ACCEPT_DATA, "Unexpected status %#x.\n", status);
 
+    status = ~0u;
+    hr = IMFTransform_GetOutputStatus(mixer, &status);
+    ok(hr == S_OK, "Unexpected hr %#x.\n", hr);
+    ok(!status, "Unexpected status %#x.\n", status);
+
     hr = IMFTransform_ProcessInput(mixer, 0, sample, 0);
     ok(hr == S_OK, "Unexpected hr %#x.\n", hr);
 
@@ -2198,6 +2214,10 @@ todo_wine
     ok(hr == S_OK, "Unexpected hr %#x.\n", hr);
     ok(!status, "Unexpected status %#x.\n", status);
 
+    hr = IMFTransform_GetOutputStatus(mixer, &status);
+    ok(hr == S_OK, "Unexpected hr %#x.\n", hr);
+    ok(status == MFT_OUTPUT_STATUS_SAMPLE_READY, "Unexpected status %#x.\n", status);
+
     hr = IMFTransform_ProcessInput(mixer, 0, sample, 0);
     ok(hr == MF_E_NOTACCEPTING, "Unexpected hr %#x.\n", hr);