mfplat: Implement MFCreateSample.

dlls/mfplat/mfplat.spec

@@ -55,7 +55,7 @@
 @ stub MFCreateMemoryStream
 @ stub MFCreatePathFromURL
 @ stub MFCreatePresentationDescriptor
-@ stub MFCreateSample
+@ stdcall MFCreateSample(ptr)
 @ stub MFCreateSocket
 @ stub MFCreateSocketListener
 @ stdcall MFCreateSourceResolver(ptr)

dlls/mfplat/tests/mfplat.c

@@ -363,6 +363,22 @@ static void test_MFCreateMemoryBuffer(void)
     IMFMediaBuffer_Release(buffer);
 }
 
+static void test_MFSample(void)
+{
+    IMFSample *sample;
+    HRESULT hr;
+    UINT32 count;
+
+    hr = MFCreateSample( &sample );
+    ok(hr == S_OK, "got 0x%08x\n", hr);
+
+    hr = IMFSample_GetBufferCount(sample, &count);
+    ok(hr == S_OK, "got 0x%08x\n", hr);
+    ok(count == 0, "got %d\n", count);
+
+    IMFSample_Release(sample);
+}
+
 START_TEST(mfplat)
 {
     CoInitialize(NULL);
@@ -373,6 +389,7 @@ START_TEST(mfplat)
     test_source_resolver();
     test_MFCreateMediaType();
     test_MFCreateAttributes();
+    test_MFSample();
     test_MFCreateMFByteStreamOnStream();
     test_MFCreateMemoryBuffer();
 

include/mfapi.h

@@ -67,6 +67,7 @@ HRESULT WINAPI MFCancelWorkItem(MFWORKITEM_KEY key);
 HRESULT WINAPI MFCreateAttributes(IMFAttributes **attributes, UINT32 size);
 HRESULT WINAPI MFCreateEventQueue(IMFMediaEventQueue **queue);
 HRESULT WINAPI MFCreateMediaType(IMFMediaType **type);
+HRESULT WINAPI MFCreateSample(IMFSample **sample);
 HRESULT WINAPI MFCreateMemoryBuffer(DWORD max_length, IMFMediaBuffer **buffer);
 HRESULT WINAPI MFGetTimerPeriodicity(DWORD *periodicity);
 HRESULT WINAPI MFTEnum(GUID category, UINT32 flags, MFT_REGISTER_TYPE_INFO *input_type,