[PATCH v4 02/12] winegstreamer: Implement IMFMediaSink::GetPresentationClock.

[Torge Matthies]

From: Torge Matthies

---
 dlls/winegstreamer/media_sink.c | 21 +++++++++++++++++++--
 1 file changed, 19 insertions(+), 2 deletions(-)

diff --git a/dlls/winegstreamer/media_sink.c b/dlls/winegstreamer/media_sink.c
index 0d76c6f30b9..db8fa2fe0c4 100644
--- a/dlls/winegstreamer/media_sink.c
+++ b/dlls/winegstreamer/media_sink.c
@@ -916,9 +916,26 @@ done:

static HRESULT WINAPI media_sink_GetPresentationClock(IMFFinalizableMediaSink *iface, IMFPresentationClock **clock)
 {
-    FIXME("iface %p, clock %p stub!\n", iface, clock);
+    struct media_sink *media_sink = impl_from_IMFFinalizableMediaSink(iface);
+    HRESULT hr = S_OK;

-    return E_NOTIMPL;
+    TRACE("iface %p, clock %p\n", iface, clock);
+
+    if (!clock)
+        return E_POINTER;
+
+    EnterCriticalSection(&media_sink->cs);
+
+    if (media_sink->state == STATE_SHUTDOWN)
+        hr = MF_E_SHUTDOWN;
+    else if (media_sink->clock)
+        IMFPresentationClock_AddRef(*clock = media_sink->clock);
+    else
+        hr = MF_E_NO_CLOCK;
+
+    LeaveCriticalSection(&media_sink->cs);
+
+    return hr;
 }

static HRESULT WINAPI media_sink_Shutdown(IMFFinalizableMediaSink *iface)