[PATCH 1/5] mf/evr: Do not use IMFVideoMediaType when setting mixer types.

[Nikolay Sivov]

Signed-off-by: Nikolay Sivov <nsivov at codeweavers.com>
---
 dlls/mf/evr.c | 39 ++-------------------------------------
 1 file changed, 2 insertions(+), 37 deletions(-)

diff --git a/dlls/mf/evr.c b/dlls/mf/evr.c
index c3548170afb..298d320ec0c 100644
--- a/dlls/mf/evr.c
+++ b/dlls/mf/evr.c
@@ -362,35 +362,10 @@ static ULONG WINAPI video_stream_typehandler_Release(IMFMediaTypeHandler *iface)
     return IMFStreamSink_Release(&stream->IMFStreamSink_iface);
 }
 
-/* Mixer expects special video media type instance. */
-static HRESULT video_renderer_create_video_type(IMFMediaType *media_type, IMFVideoMediaType **video_type)
-{
-    GUID subtype;
-    HRESULT hr;
-
-    *video_type = NULL;
-
-    if (FAILED(hr = IMFMediaType_GetGUID(media_type, &MF_MT_SUBTYPE, &subtype)))
-        return hr;
-
-    if (FAILED(hr = MFCreateVideoMediaTypeFromSubtype(&subtype, video_type)))
-        return hr;
-
-    hr = IMFMediaType_CopyAllItems(media_type, (IMFAttributes *)*video_type);
-    if (FAILED(hr))
-    {
-        IMFVideoMediaType_Release(*video_type);
-        *video_type = NULL;
-    }
-
-    return hr;
-}
-
 static HRESULT WINAPI video_stream_typehandler_IsMediaTypeSupported(IMFMediaTypeHandler *iface,
         IMFMediaType *in_type, IMFMediaType **out_type)
 {
     struct video_stream *stream = impl_from_IMFMediaTypeHandler(iface);
-    IMFVideoMediaType *video_type;
     HRESULT hr;
 
     TRACE("%p, %p, %p.\n", iface, in_type, out_type);
@@ -401,17 +376,12 @@ static HRESULT WINAPI video_stream_typehandler_IsMediaTypeSupported(IMFMediaType
     if (!stream->parent)
         return MF_E_INVALIDMEDIATYPE;
 
-    if (FAILED(hr = video_renderer_create_video_type(in_type, &video_type)))
-        return hr;
-
-    if (SUCCEEDED(hr = IMFTransform_SetInputType(stream->parent->mixer, stream->id, (IMFMediaType *)video_type,
+    if (SUCCEEDED(hr = IMFTransform_SetInputType(stream->parent->mixer, stream->id, in_type,
             MFT_SET_TYPE_TEST_ONLY)))
     {
         if (out_type) *out_type = NULL;
     }
 
-    IMFVideoMediaType_Release(video_type);
-
     return hr;
 }
 
@@ -438,7 +408,6 @@ static HRESULT WINAPI video_stream_typehandler_GetMediaTypeByIndex(IMFMediaTypeH
 static HRESULT WINAPI video_stream_typehandler_SetCurrentMediaType(IMFMediaTypeHandler *iface, IMFMediaType *type)
 {
     struct video_stream *stream = impl_from_IMFMediaTypeHandler(iface);
-    IMFVideoMediaType *video_type;
     HRESULT hr;
 
     TRACE("%p, %p.\n", iface, type);
@@ -449,11 +418,7 @@ static HRESULT WINAPI video_stream_typehandler_SetCurrentMediaType(IMFMediaTypeH
     if (!stream->parent)
         return MF_E_STREAMSINK_REMOVED;
 
-    if (FAILED(hr = video_renderer_create_video_type(type, &video_type)))
-        return hr;
-
-    hr = IMFTransform_SetInputType(stream->parent->mixer, stream->id, (IMFMediaType *)video_type, 0);
-    IMFVideoMediaType_Release(video_type);
+    hr = IMFTransform_SetInputType(stream->parent->mixer, stream->id, type, 0);
 
     return hr;
 }
-- 
2.28.0