[PATCH] mfplat: Added MFCreateAudioMediaType().

[Nikolay Sivov]

Signed-off-by: Nikolay Sivov 
---
 dlls/mfplat/mediatype.c | 27 +++++++++++++++++++++++++++
 dlls/mfplat/mfplat.spec |  2 +-
 include/mfapi.h         |  1 +
 3 files changed, 29 insertions(+), 1 deletion(-)

diff --git a/dlls/mfplat/mediatype.c b/dlls/mfplat/mediatype.c
index fb90053c605..92d219f26e1 100644
--- a/dlls/mfplat/mediatype.c
+++ b/dlls/mfplat/mediatype.c
@@ -3063,6 +3063,33 @@ HRESULT WINAPI MFCreateVideoMediaTypeFromSubtype(const GUID *subtype, IMFVideoMe
     return S_OK;
 }

+/***********************************************************************
+ *      MFCreateAudioMediaType (mfplat.@)
+ */
+HRESULT WINAPI MFCreateAudioMediaType(const WAVEFORMATEX *format, IMFAudioMediaType **media_type)
+{
+    struct media_type *object;
+    HRESULT hr;
+
+    TRACE("%p, %p.\n", format, media_type);
+
+    if (!media_type)
+        return E_INVALIDARG;
+
+    if (FAILED(hr = create_media_type(&object)))
+        return hr;
+
+    if (FAILED(hr = MFInitMediaTypeFromWaveFormatEx(&object->IMFMediaType_iface, format, sizeof(*format) + format->cbSize)))
+    {
+        IMFMediaType_Release(&object->IMFMediaType_iface);
+        return hr;
+    }
+
+    *media_type = &object->IMFAudioMediaType_iface;
+
+    return S_OK;
+}
+
 static void media_type_get_ratio(IMFMediaType *media_type, const GUID *attr, UINT32 *numerator,
         UINT32 *denominator)
 {
diff --git a/dlls/mfplat/mfplat.spec b/dlls/mfplat/mfplat.spec
index e8dc01c200c..9a78c2fb0bc 100644
--- a/dlls/mfplat/mfplat.spec
+++ b/dlls/mfplat/mfplat.spec
@@ -43,7 +43,7 @@
 @ stdcall MFCreateAlignedMemoryBuffer(long long ptr)
 @ stdcall MFCreateAsyncResult(ptr ptr ptr ptr) rtworkq.RtwqCreateAsyncResult
 @ stdcall MFCreateAttributes(ptr long)
-@ stub MFCreateAudioMediaType
+@ stdcall MFCreateAudioMediaType(ptr ptr)
 @ stdcall MFCreateCollection(ptr)
 @ stdcall MFCreateDXGIDeviceManager(ptr ptr)
 @ stdcall MFCreateDXGISurfaceBuffer(ptr ptr long long ptr)
diff --git a/include/mfapi.h b/include/mfapi.h
index 986f5b9e3e4..2ac70793d7a 100644
--- a/include/mfapi.h
+++ b/include/mfapi.h
@@ -508,6 +508,7 @@ HRESULT WINAPI MFCreate2DMediaBuffer(DWORD width, DWORD height, DWORD fourcc, BO
 HRESULT WINAPI MFCreateAlignedMemoryBuffer(DWORD max_length, DWORD alignment, IMFMediaBuffer **buffer);
 HRESULT WINAPI MFCreateAttributes(IMFAttributes **attributes, UINT32 size);
 HRESULT WINAPI MFCreateAsyncResult(IUnknown *object, IMFAsyncCallback *callback, IUnknown *state, IMFAsyncResult **result);
+HRESULT WINAPI MFCreateAudioMediaType(const WAVEFORMATEX *audioformat, IMFAudioMediaType **mediatype);
 HRESULT WINAPI MFCreateCollection(IMFCollection **collection);
 HRESULT WINAPI MFCreateDXGIDeviceManager(UINT *token, IMFDXGIDeviceManager **manager);
 HRESULT WINAPI MFCreateDXGISurfaceBuffer(REFIID riid, IUnknown *surface, UINT subresource, BOOL bottomup,