Anton Baskanov : winegstreamer: Hold the streaming lock while destroying wg_transform.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: b89a01bff8326ee9b8f343b86d4c212286141624
URL:    https://gitlab.winehq.org/wine/wine/-/commit/b89a01bff8326ee9b8f343b86d4c212...

Author: Anton Baskanov 
Date:   Sat Oct 29 18:28:25 2022 +0700

winegstreamer: Hold the streaming lock while destroying wg_transform.

Otherwise, the streaming thread might try to access it while it's being destroyed.

---

dlls/winegstreamer/quartz_transform.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/dlls/winegstreamer/quartz_transform.c b/dlls/winegstreamer/quartz_transform.c
index 6520f697ce4..ccdec9454a6 100644
--- a/dlls/winegstreamer/quartz_transform.c
+++ b/dlls/winegstreamer/quartz_transform.c
@@ -129,7 +129,9 @@ static HRESULT transform_cleanup_stream(struct strmbase_filter *iface)
     {
         IMemAllocator_Decommit(filter->source.pAllocator);

+        EnterCriticalSection(&filter->filter.stream_cs);
         wg_transform_destroy(filter->transform);
+        LeaveCriticalSection(&filter->filter.stream_cs);
     }

return S_OK;