mfreadwrite: Add a trace for async reader mode.

Signed-off-by: Nikolay Sivov <nsivov@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

mfreadwrite: Add a trace for async reader mode.
e92bf051 · Nikolay Sivov · Alexandre Julliard · 0694d0f3 · e92bf051
Commit e92bf051 authored Apr 01, 2019 by Nikolay Sivov Committed by Alexandre Julliard Apr 01, 2019
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main.c dlls/mfreadwrite/main.c +4 -0

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--- a/dlls/mfreadwrite/main.c
+++ b/dlls/mfreadwrite/main.c
@@ -680,8 +680,12 @@ static HRESULT create_source_reader_from_source(IMFMediaSource *source, IMFAttri
    }
    if (attributes)
+    {
        IMFAttributes_GetUnknown(attributes, &MF_SOURCE_READER_ASYNC_CALLBACK, &IID_IMFSourceReaderCallback,
                (void **)&object->async_callback);
+        if (object->async_callback)
+            TRACE("Using async callback %p.\n", object->async_callback);
+    }
    hr = IMFSourceReader_QueryInterface(&object->IMFSourceReader_iface, riid, out);