Rémi Bernon : mfplat: Use QueryPerformanceCounter in MFGetSystemTime.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 7cc24be079e6d4e44a3e9f12f600d0ffc9ca1ecd
URL:    https://gitlab.winehq.org/wine/wine/-/commit/7cc24be079e6d4e44a3e9f12f600d0f...

Author: Rémi Bernon <rbernon(a)codeweavers.com>
Date:   Fri Jan 13 09:08:34 2023 +0100

mfplat: Use QueryPerformanceCounter in MFGetSystemTime.

---

 dlls/mfplat/main.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/dlls/mfplat/main.c b/dlls/mfplat/main.c
index 7027b4f9516..8aaf9f93cdc 100644
--- 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,