Maarten Lankhorst : quartz: Drop preroll frames in directsound renderer too .

[Alexandre Julliard]

Module: wine
Branch: master
Commit: d7fbc7ef8cb92c1c7811ea70dd4c68ff21002929
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=d7fbc7ef8cb92c1c7811ea70dd...

Author: Maarten Lankhorst 
Date:   Fri Apr 18 16:14:41 2008 -0700

quartz: Drop preroll frames in directsound renderer too.

---

dlls/quartz/dsoundrender.c |    9 ++++++++-
 1 files changed, 8 insertions(+), 1 deletions(-)

diff --git a/dlls/quartz/dsoundrender.c b/dlls/quartz/dsoundrender.c
index 50892c0..963ec16 100644
--- a/dlls/quartz/dsoundrender.c
+++ b/dlls/quartz/dsoundrender.c
@@ -242,8 +242,15 @@ static HRESULT DSoundRender_Sample(LPVOID iface, IMediaSample * pSample)
     TRACE("%p %p\n", iface, pSample);

/* Slightly incorrect, Pause completes when a frame is received so we should signal
-     * pause completion here, but for sound receiving a single frame doesn't make sense
+     * pause completion here, but for sound playing a single frame doesn't make sense
      */
+
+    if (IMediaSample_IsPreroll(pSample) == S_OK)
+    {
+        TRACE("Preroll!\n");
+        return S_OK;
+    }
+
     if (This->state == State_Paused)
         return S_FALSE;