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msdmo: Only return valid GUIDs in IEnumDMO_Next(). 

Signed-off-by: Zebediah Figura <z.figura12@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Zebediah Figura 2018-05-08 18:55:02 -05:00 committed by Alexandre Julliard
parent 386c27084a
commit 351c8621b7
1 changed files with 14 additions and 0 deletions
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14
dlls/msdmo/dmoreg.c
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@ -117,6 +117,16 @@ static LPWSTR GUIDToString(LPWSTR lpwstr, REFGUID lpcguid)
return lpwstr;
}
static HRESULT string_to_guid(const WCHAR *string, GUID *guid)
{
WCHAR buffer[39];
buffer[0] = '{';
strcpyW(buffer + 1, string);
buffer[37] = '}';
buffer[38] = 0;
return CLSIDFromString(buffer, guid);
}
static BOOL IsMediaTypeEqual(const DMO_PARTIAL_MEDIATYPE* mt1, const DMO_PARTIAL_MEDIATYPE* mt2)
{
@ -514,6 +524,7 @@ static HRESULT WINAPI IEnumDMO_fnNext(
UINT count = 0;
HRESULT hres = S_OK;
LONG ret;
GUID guid;
IEnumDMOImpl *This = impl_from_IEnumDMO(iface);
@ -537,6 +548,9 @@ static HRESULT WINAPI IEnumDMO_fnNext(
break;
}
if (string_to_guid(szNextKey, &guid) != S_OK)
continue;
TRACE("found %s\n", debugstr_w(szNextKey));
if (!(This->dwFlags & DMO_ENUMF_INCLUDE_KEYED))