[Bug 712592] New: d3dhelpers.c(2221): d3d_class_init: Failed to register window class: 1410 on second creation of a simple pipeline

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=712592
  GStreamer | gstreamer (core) | 1.2.1

           Summary: d3dhelpers.c(2221): d3d_class_init: Failed to register
                    window class: 1410 on second creation of a simple
                    pipeline
    Classification: Platform
           Product: GStreamer
           Version: 1.2.1
        OS/Version: Windows
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: gstreamer (core)
        AssignedTo: gstreamer-bugs at lists.freedesktop.org
        ReportedBy: panzerschlacht at hotmail.com
         QAContact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---


Here is another one with the same problem (has full example):
http://stackoverflow.com/questions/19478692/gstreamer-video-playback-fails-in-windows-at-second-play-time-when-the-video-fi

The way I do it is basically:

    GstElement* pipeline;
    gst_init(NULL, NULL);
    pipeline = gst_element_factory_make("playbin", "player");
    GstElement *sink = gst_element_factory_make ("d3dvideosink","video-sink");
    g_object_set(GST_OBJECT(pipeline),"video-sink",sink,NULL);
    g_object_set(GST_OBJECT(pipeline),
"uri",g_filename_to_uri(fileName.c_str(),
                 NULL, NULL), NULL);
    g_object_set(GST_OBJECT(sink), "force-aspect-ratio", TRUE, NULL);
    gst_object_unref(sink);

and deallocating with: 

    gst_element_set_state (pipeline, GST_STATE_NULL);
    gst_object_unref (GST_OBJECT (pipeline));

I made sure the refcount is 0 there so there's no memory leak. The next time I
go through the same procedure I get the error.

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