Rémi Bernon : mfplat: Release queue subscriber on Shutdown.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: e9a29249b80a8ad7e82f0c8b9510d891850921a0
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=e9a29249b80a8ad7e82f0c8b9...

Author: Rémi Bernon <rbernon(a)codeweavers.com>
Date:   Wed Apr 14 09:49:09 2021 +0300

mfplat: Release queue subscriber on Shutdown.

Signed-off-by: Rémi Bernon <rbernon(a)codeweavers.com>
Signed-off-by: Nikolay Sivov <nsivov(a)codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard(a)winehq.org>

---

 dlls/mfplat/main.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/dlls/mfplat/main.c b/dlls/mfplat/main.c
index de2b5c6ee51..e23c648c823 100644
--- a/dlls/mfplat/main.c
+++ b/dlls/mfplat/main.c
@@ -7006,6 +7006,13 @@ static IMFMediaEvent *queue_pop_event(struct event_queue *queue)
     return event;
 }
 
+static void event_queue_clear_subscriber(struct event_queue *queue)
+{
+    if (queue->subscriber)
+        IRtwqAsyncResult_Release(queue->subscriber);
+    queue->subscriber = NULL;
+}
+
 static void event_queue_cleanup(struct event_queue *queue)
 {
     IMFMediaEvent *event;
@@ -7258,6 +7265,7 @@ static HRESULT WINAPI eventqueue_Shutdown(IMFMediaEventQueue *iface)
     if (!queue->is_shut_down)
     {
         event_queue_cleanup(queue);
+        event_queue_clear_subscriber(queue);
         queue->is_shut_down = TRUE;
     }