Nikolay Sivov : mfplat: Make sure async event delivery is triggered with EndGetEvent().
Alexandre Julliard
julliard at winehq.org
Mon Jun 10 13:43:53 CDT 2019
Module: wine
Branch: master
Commit: 67bd377af2389ecc1473f01c702a3fd264b8cf0f
URL: https://source.winehq.org/git/wine.git/?a=commit;h=67bd377af2389ecc1473f01c702a3fd264b8cf0f
Author: Nikolay Sivov <nsivov at codeweavers.com>
Date: Fri Jun 7 16:09:01 2019 +0300
mfplat: Make sure async event delivery is triggered with EndGetEvent().
Signed-off-by: Nikolay Sivov <nsivov at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>
---
dlls/mfplat/main.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/dlls/mfplat/main.c b/dlls/mfplat/main.c
index 460f21e..224ba6e 100644
--- a/dlls/mfplat/main.c
+++ b/dlls/mfplat/main.c
@@ -5982,6 +5982,7 @@ struct event_queue
CONDITION_VARIABLE update_event;
struct list events;
BOOL is_shut_down;
+ BOOL notified;
IMFAsyncResult *subscriber;
};
@@ -6105,9 +6106,10 @@ static HRESULT WINAPI eventqueue_GetEvent(IMFMediaEventQueue *iface, DWORD flags
static void queue_notify_subscriber(struct event_queue *queue)
{
- if (list_empty(&queue->events) || !queue->subscriber)
+ if (list_empty(&queue->events) || !queue->subscriber || queue->notified)
return;
+ queue->notified = TRUE;
MFPutWorkItemEx(MFASYNC_CALLBACK_QUEUE_STANDARD, queue->subscriber);
}
@@ -6163,6 +6165,7 @@ static HRESULT WINAPI eventqueue_EndGetEvent(IMFMediaEventQueue *iface, IMFAsync
if (queue->subscriber)
IMFAsyncResult_Release(queue->subscriber);
queue->subscriber = NULL;
+ queue->notified = FALSE;
hr = *event ? S_OK : E_FAIL;
}
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