static gboolean
gst_pm6mpeg4_source_event (GstPad * pad, GstEvent * event)
{
        Gstpm6mpeg4 *filter = GST_PM6MPEG4 (GST_PAD_PARENT (pad));
        gboolean result;
        GST_DEBUG_OBJECT(filter,"handling %s event", GST_EVENT_TYPE_NAME (event));
        switch (GST_EVENT_TYPE (event)) {
                case GST_EVENT_CUSTOM_BOTH:
                        g_print("======================== %s CUSTOM!! \n",__func__);
                        break;
                case GST_EVENT_EOS:
                        g_print("%s clean up\n",TAG);
                        cleanUp();
                        result = gst_pad_push_event (filter->srcpad, event);
                        break;
                default:
                        g_print("%s EVENT(0x%x)\n",TAG,GST_EVENT_TYPE(event));
                        result = gst_pad_event_default (pad, event);
                        break;
        }
        return result;
}

gst_pad_set_event_function (filter->srcpad,
                                GST_DEBUG_FUNCPTR (gst_pm6mpeg4_source_event));