[PATCH v6 3/8] mfplat/tests: Test NV12 negative stride in MFCreateMediaBufferFromMediaType().

[Conor McCarthy]

From: Conor McCarthy

---
 dlls/mfplat/tests/mfplat.c | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)

diff --git a/dlls/mfplat/tests/mfplat.c b/dlls/mfplat/tests/mfplat.c
index 759ffe0431b..c9514293c49 100644
--- a/dlls/mfplat/tests/mfplat.c
+++ b/dlls/mfplat/tests/mfplat.c
@@ -8156,6 +8156,40 @@ static void test_MFCreateMediaBufferFromMediaType(void)

IMFMediaBuffer_Release(buffer);

+    hr = IMFMediaType_SetGUID(media_type, &MF_MT_SUBTYPE, &MFVideoFormat_NV12);
+    ok(hr == S_OK, "Failed to set attribute, hr %#lx.\n", hr);
+    hr = IMFMediaType_SetUINT64(media_type, &MF_MT_FRAME_SIZE, (UINT64)96 << 32 | 96);
+    ok(hr == S_OK, "Failed to set attribute, hr %#lx.\n", hr);
+    hr = IMFMediaType_SetUINT32(media_type, &MF_MT_DEFAULT_STRIDE, 96);
+    ok(hr == S_OK, "Failed to set attribute, hr %#lx.\n", hr);
+    hr = pMFCreateMediaBufferFromMediaType(media_type, 0, 0, 0, &buffer);
+    ok(hr == S_OK, "Unexpected hr %#lx.\n", hr);
+
+    hr = IMFMediaBuffer_QueryInterface(buffer, &IID_IMF2DBuffer, (void **)&buffer_2d);
+    ok(hr == S_OK, "Unexpected hr %#lx.\n", hr);
+    hr = IMF2DBuffer_Lock2D(buffer_2d, &data, &pitch);
+    ok(hr == S_OK, "Unexpected hr %#lx.\n", hr);
+    ok(pitch == 128, "got pitch %ld.\n", pitch);
+    hr = IMF2DBuffer_Unlock2D(buffer_2d);
+    ok(hr == S_OK, "Unexpected hr %#lx.\n", hr);
+    IMF2DBuffer_Release(buffer_2d);
+
+    IMFMediaBuffer_Release(buffer);
+
+    /* A linear buffer is created for YUV if MF_MT_DEFAULT_STRIDE is negative */
+    hr = IMFMediaType_SetUINT32(media_type, &MF_MT_DEFAULT_STRIDE, -128);
+    ok(hr == S_OK, "Failed to set attribute, hr %#lx.\n", hr);
+    hr = pMFCreateMediaBufferFromMediaType(media_type, 0, 0, 0, &buffer);
+    ok(hr == S_OK, "Unexpected hr %#lx.\n", hr);
+
+    hr = IMFMediaBuffer_QueryInterface(buffer, &IID_IMF2DBuffer, (void **)&buffer_2d);
+    todo_wine
+    ok(hr == E_NOINTERFACE, "Unexpected hr %#lx.\n", hr);
+    if (SUCCEEDED(hr))
+        IMF2DBuffer_Release(buffer_2d);
+
+    IMFMediaBuffer_Release(buffer);
+
     /* MF_MT_FRAME_SIZE doesn't work with compressed formats */
     hr = IMFMediaType_DeleteItem(media_type, &MF_MT_FRAME_SIZE);
     ok(hr == S_OK, "Unexpected hr %#lx.\n", hr);