playsink: set the sink flag on the element

diff --git a/gst/playback/gstplaysink.c b/gst/playback/gstplaysink.c
index 8e5130e..bf93ba1 100644 (file)
--- a/gst/playback/gstplaysink.c
+++ b/gst/playback/gstplaysink.c
@@ -253,6 +253,7 @@ gst_play_sink_init (GstPlaySink * playsink)
 
   playsink->lock = g_mutex_new ();
   playsink->need_async_start = TRUE;
+  GST_OBJECT_FLAG_SET (playsink, GST_ELEMENT_IS_SINK);
 }
 
 static void