Nikolay Sivov : mfplat: Fix media type compare logic regarding user data.
Alexandre Julliard
julliard at winehq.org
Tue Feb 18 16:13:47 CST 2020
Module: wine
Branch: master
Commit: ad4c734c37c36a57a7a3d34fe55787b053a2f311
URL: https://source.winehq.org/git/wine.git/?a=commit;h=ad4c734c37c36a57a7a3d34fe55787b053a2f311
Author: Nikolay Sivov <nsivov at codeweavers.com>
Date: Tue Feb 18 17:18:28 2020 +0300
mfplat: Fix media type compare logic regarding user data.
Signed-off-by: Nikolay Sivov <nsivov at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>
---
dlls/mfplat/mediatype.c | 7 ++++---
dlls/mfplat/tests/mfplat.c | 13 +++++++++++++
2 files changed, 17 insertions(+), 3 deletions(-)
diff --git a/dlls/mfplat/mediatype.c b/dlls/mfplat/mediatype.c
index 893eb3e778..382f066327 100644
--- a/dlls/mfplat/mediatype.c
+++ b/dlls/mfplat/mediatype.c
@@ -514,13 +514,14 @@ static HRESULT WINAPI mediatype_IsEqual(IMFMediaType *iface, IMFMediaType *type,
PropVariantInit(&right.value);
right.hr = IMFAttributes_GetItem(right.type, &MF_MT_USER_DATA, &right.value);
- if (SUCCEEDED(left.hr) && SUCCEEDED(left.hr))
+ /* Compare user data if both types have it, otherwise simply check if both don't. */
+ if (SUCCEEDED(left.hr) && SUCCEEDED(right.hr))
{
result = FALSE;
IMFAttributes_CompareItem(left.type, &MF_MT_USER_DATA, &left.value, &result);
}
- else if (FAILED(left.hr) && FAILED(left.hr))
- result = TRUE;
+ else
+ result = FAILED(left.hr) && FAILED(right.hr);
PropVariantClear(&left.value);
PropVariantClear(&right.value);
diff --git a/dlls/mfplat/tests/mfplat.c b/dlls/mfplat/tests/mfplat.c
index 6800441ba2..896cd93a46 100644
--- a/dlls/mfplat/tests/mfplat.c
+++ b/dlls/mfplat/tests/mfplat.c
@@ -762,6 +762,19 @@ if(0)
ok(flags == (MF_MEDIATYPE_EQUAL_MAJOR_TYPES | MF_MEDIATYPE_EQUAL_FORMAT_TYPES | MF_MEDIATYPE_EQUAL_FORMAT_DATA
| MF_MEDIATYPE_EQUAL_FORMAT_USER_DATA), "Unexpected flags %#x.\n", flags);
+ /* Different user data. */
+ hr = IMFMediaType_SetBlob(mediatype, &MF_MT_USER_DATA, (const UINT8 *)&flags, sizeof(flags));
+ ok(hr == S_OK, "Failed to set attribute, hr %#x.\n", hr);
+
+ flags = 0;
+ hr = IMFMediaType_IsEqual(mediatype, mediatype2, &flags);
+ ok(hr == S_FALSE, "Unexpected hr %#x.\n", hr);
+ ok(flags == (MF_MEDIATYPE_EQUAL_MAJOR_TYPES | MF_MEDIATYPE_EQUAL_FORMAT_TYPES | MF_MEDIATYPE_EQUAL_FORMAT_DATA),
+ "Unexpected flags %#x.\n", flags);
+
+ hr = IMFMediaType_DeleteItem(mediatype, &MF_MT_USER_DATA);
+ ok(hr == S_OK, "Failed to delete item, hr %#x.\n", hr);
+
hr = IMFMediaType_SetGUID(mediatype, &MF_MT_SUBTYPE, &MFVideoFormat_RGB32);
ok(hr == S_OK, "Failed to set subtype, hr %#x.\n", hr);
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