From 30abd4ed155730b534897e05cec9a44454e4e05a Mon Sep 17 00:00:00 2001
From: Chris Robinson <chris.kcat@gmail.com>
Date: Tue, 3 Apr 2007 11:04:59 -0700
Subject: [PATCH] quartz: Tell filters to stop sending data when the chain is
 broken.

---
 dlls/quartz/pin.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/dlls/quartz/pin.c b/dlls/quartz/pin.c
index 6791c2df522..48cedfc5848 100644
--- a/dlls/quartz/pin.c
+++ b/dlls/quartz/pin.c
@@ -913,7 +913,10 @@ HRESULT OutputPin_SendSample(OutputPin * This, IMediaSample * pSample)
          * then it causes some problems (most notably with the native Video
          * Renderer) if we are re-entered for whatever reason */
         hr = IMemInputPin_Receive(pMemConnected, pSample);
-        IBaseFilter_Release(pinInfo.pFilter);
+
+        /* If the filter's destroyed, tell upstream to stop sending data */
+        if(IBaseFilter_Release(pinInfo.pFilter) == 0 && SUCCEEDED(hr))
+            hr = S_FALSE;
     }
     if (pMemConnected)
         IMemInputPin_Release(pMemConnected);