winegstreamer: Enforce frame size in H264 decoder SetOutputType.

dlls/mf/tests/mf.c

@@ -7311,7 +7311,6 @@ static void test_h264_decoder(void)
     ok(hr == S_OK, "MFCreateMediaType returned %#lx\n", hr);
     init_media_type(media_type, is_win7 ? output_type_desc_win7 : output_type_desc, -1);
     hr = IMFTransform_SetOutputType(transform, 0, media_type, 0);
-    todo_wine
     ok(hr == MF_E_INVALIDMEDIATYPE, "SetOutputType returned %#lx.\n", hr);
     init_media_type(media_type, is_win7 ? new_output_type_desc_win7 : new_output_type_desc, -1);
     hr = IMFTransform_SetOutputType(transform, 0, media_type, 0);

dlls/winegstreamer/h264_decoder.c

@@ -433,6 +433,7 @@ static HRESULT WINAPI transform_SetOutputType(IMFTransform *iface, DWORD id, IMF
 {
     struct h264_decoder *decoder = impl_from_IMFTransform(iface);
     GUID major, subtype;
+    UINT64 frame_size;
     HRESULT hr;
     ULONG i;
 
@@ -454,6 +455,11 @@ static HRESULT WINAPI transform_SetOutputType(IMFTransform *iface, DWORD id, IMF
     if (i == ARRAY_SIZE(h264_decoder_output_types))
         return MF_E_INVALIDMEDIATYPE;
 
+    if (FAILED(hr = IMFMediaType_GetUINT64(type, &MF_MT_FRAME_SIZE, &frame_size))
+            || (frame_size >> 32) != decoder->wg_format.u.video.width
+            || (UINT32)frame_size != decoder->wg_format.u.video.height)
+        return MF_E_INVALIDMEDIATYPE;
+
     if (decoder->output_type)
         IMFMediaType_Release(decoder->output_type);
     IMFMediaType_AddRef((decoder->output_type = type));