mfplat: Use QueryPerformanceCounter in MFGetSystemTime.

7cc24be0 · Rémi Bernon · Alexandre Julliard · 0ce5584a · 7cc24be0
Commit 7cc24be0 authored Jan 13, 2023 by Rémi Bernon Committed by Alexandre Julliard Jun 26, 2023
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main.c dlls/mfplat/main.c +6 -3

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--- a/dlls/mfplat/main.c
+++ b/dlls/mfplat/main.c
@@ -974,11 +974,14 @@ HRESULT WINAPI MFTUnregisterLocal(IClassFactory *factory)

 MFTIME WINAPI MFGetSystemTime(void)
 {
-    MFTIME mf;
+    static LARGE_INTEGER frequency;
+    LARGE_INTEGER counter;

-    GetSystemTimeAsFileTime( (FILETIME*)&mf );
+    if (!frequency.QuadPart)
+        QueryPerformanceFrequency(&frequency);
+    QueryPerformanceCounter(&counter);

-    return mf;
+    return counter.QuadPart * 10000000 / frequency.QuadPart;
 }

 static BOOL mft_is_type_info_match(struct mft_registration *mft, const GUID *category, UINT32 flags,