mfmediaengine: Mask some source flags returned from GetResourceCharacteristics().

Signed-off-by: Nikolay Sivov <nsivov@codeweavers.com>

mfmediaengine: Mask some source flags returned from GetResourceCharacteristics().
77731392 · Nikolay Sivov · Alexandre Julliard · 609de17e · 77731392
Commit 77731392 authored Oct 16, 2023 by Nikolay Sivov Committed by Alexandre Julliard Oct 19, 2023
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Showing with 10 additions and 2 deletions

main.c dlls/mfmediaengine/main.c +10 -2

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--- a/dlls/mfmediaengine/main.c
+++ b/dlls/mfmediaengine/main.c
@@ -2601,9 +2601,17 @@ static HRESULT WINAPI media_engine_GetResourceCharacteristics(IMFMediaEngineEx *
    EnterCriticalSection(&engine->cs);
    if (engine->flags & FLAGS_ENGINE_SHUT_DOWN)
+    {
        hr = MF_E_SHUTDOWN;
-    else if (engine->presentation.source)
+    }
-        hr = IMFMediaSource_GetCharacteristics(engine->presentation.source, flags);
+    else if (engine->presentation.source && flags)
+    {
+        if (SUCCEEDED(IMFMediaSource_GetCharacteristics(engine->presentation.source, flags)))
+        {
+            *flags = *flags & 0xf;
+            hr = S_OK;
+        }
+    }
    LeaveCriticalSection(&engine->cs);
    return hr;