[PATCH v5 0/1] MR3789: Improve media session handling of unexpected errors.

[Santino Mazza (＠tati1454)]

--
  v5: mf: Handle errors with source event generator in session.

https://gitlab.winehq.org/wine/wine/-/merge_requests/3789

[PATCH v5 1/1] mf: Handle errors with source event generator in session.

[Santino Mazza]

From: Santino Mazza

---
 dlls/mf/session.c | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/dlls/mf/session.c b/dlls/mf/session.c
index b5b631fb00a..db742350161 100644
--- a/dlls/mf/session.c
+++ b/dlls/mf/session.c
@@ -3679,7 +3679,9 @@ static HRESULT WINAPI session_events_callback_Invoke(IMFAsyncCallback *iface, IM
     if (FAILED(hr = IMFMediaEventGenerator_EndGetEvent(event_source, result, &event)))
     {
         WARN("Failed to get event from %p, hr %#lx.\n", event_source, hr);
-        goto failed;
+        IMFMediaEventQueue_QueueEventParamVar(session->event_queue, MEError, &GUID_NULL, hr, NULL);
+        IMFMediaEventGenerator_Release(event_source);
+        return hr;
     }

if (FAILED(hr = IMFMediaEvent_GetType(event, &event_type)))
@@ -3872,11 +3874,15 @@ static HRESULT WINAPI session_events_callback_Invoke(IMFAsyncCallback *iface, IM
     PropVariantClear(&value);

failed:
-    if (event)
-        IMFMediaEvent_Release(event);

if (FAILED(hr = IMFMediaEventGenerator_BeginGetEvent(event_source, iface, (IUnknown *)event_source)))
+    {
         WARN("Failed to re-subscribe, hr %#lx.\n", hr);
+        IMFMediaEventQueue_QueueEvent(session->event_queue, event);
+    }
+
+    if (event)
+        IMFMediaEvent_Release(event);

IMFMediaEventGenerator_Release(event_source);

[Santino Mazza (＠tati1454)]

On Fri Oct 20 17:47:26 2023 +0000, Santino Mazza wrote:
> mmm, apparently if an error occurs when trying to re-subscribe it emits
> an event, but it doesn't emit MEError, it emits the same event as the
> one it received.

[0001-mf-test-Test-error-cases-in-media-sesssion.patch](/uploads/b31f11708d6d9276c99f4de292b82b7d/0001-mf-test-Test-error-cases-in-media-sesssion.patch) This are the tests.

[PATCH v5 0/1] MR3789: Improve media session handling of unexpected errors. - approved

[Nikolay Sivov (＠nsivov)]

This merge request was approved by Nikolay Sivov.