From 53bd62737c3f1ad1237a8c47d1319c64abc7a7b0 Mon Sep 17 00:00:00 2001
From: Aric Stewart <aric@codeweavers.com>
Date: Tue, 31 Jan 2012 13:52:27 -0600
Subject: [PATCH] quartz: If the MediaSeeking is not implemented all the way up
 the passthru chain fall back to the filtergraph's clock to find position.

---
 dlls/quartz/filtergraph.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/dlls/quartz/filtergraph.c b/dlls/quartz/filtergraph.c
index 32aa56931ed..911e68c1f6c 100644
--- a/dlls/quartz/filtergraph.c
+++ b/dlls/quartz/filtergraph.c
@@ -2456,7 +2456,14 @@ static HRESULT WINAPI MediaSeeking_GetCurrentPosition(IMediaSeeking *iface, LONG
     *pCurrent = -1;
     hr = all_renderers_seek(This, FoundCurrentPosition, (DWORD_PTR)pCurrent);
     if (hr == E_NOTIMPL) {
-        *pCurrent = 0;
+        LONGLONG time = 0;
+        if (This->refClock)
+        {
+            IReferenceClock_GetTime(This->refClock, &time);
+            if (time)
+                time -= This->start_time;
+        }
+        *pCurrent = time;
         hr = S_OK;
     }
     LeaveCriticalSection(&This->cs);
-- 
2.11.4.GIT