strmbase/renderer: Exit BaseRendererImpl_Receive() immediately if flush_event was signaled.

Signed-off-by: Zebediah Figura <z.figura12@gmail.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

strmbase/renderer: Exit BaseRendererImpl_Receive() immediately if flush_event was signaled.
6072c66c · Zebediah Figura · Alexandre Julliard · 608acdc8 · 6072c66c
Commit 6072c66c authored Nov 21, 2019 by Zebediah Figura Committed by Alexandre Julliard Nov 22, 2019
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renderer.c dlls/strmbase/renderer.c +8 -1

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--- a/dlls/strmbase/renderer.c
+++ b/dlls/strmbase/renderer.c
@@ -394,15 +394,22 @@ HRESULT WINAPI BaseRendererImpl_Receive(struct strmbase_renderer *This, IMediaSa
            if (now - This->stream_start - start <= -10000)
            {
                HANDLE handles[2] = {This->advise_event, This->flush_event};
+                DWORD ret;

                IReferenceClock_AdviseTime(This->filter.pClock, This->stream_start,
                        start, (HEVENT)This->advise_event, &cookie);

                LeaveCriticalSection(&This->csRenderLock);

-                WaitForMultipleObjects(2, handles, FALSE, INFINITE);
+                ret = WaitForMultipleObjects(2, handles, FALSE, INFINITE);
                IReferenceClock_Unadvise(This->filter.pClock, cookie);

+                if (ret == 1)
+                {
+                    TRACE("Flush signaled, discarding current sample.\n");
+                    return S_OK;
+                }
+
                EnterCriticalSection(&This->csRenderLock);
            }
        }