ext/gst: Ensure default query/event handlers are used

And in some cases, just remove our implementation that does nothing

ext/libvisual/gstaudiovisualizer.c

@@ -81,8 +81,6 @@ static gboolean gst_audio_visualizer_sink_event (GstPad * pad,
 
 static gboolean gst_audio_visualizer_src_query (GstPad * pad,
     GstObject * parent, GstQuery * query);
-static gboolean gst_audio_visualizer_sink_query (GstPad * pad,
-    GstObject * parent, GstQuery * query);
 
 static GstStateChangeReturn gst_audio_visualizer_change_state (GstElement *
     element, GstStateChange transition);
@@ -584,8 +582,6 @@ gst_audio_visualizer_init (GstAudioVisualizer * scope,
       GST_DEBUG_FUNCPTR (gst_audio_visualizer_chain));
   gst_pad_set_event_function (scope->sinkpad,
       GST_DEBUG_FUNCPTR (gst_audio_visualizer_sink_event));
-  gst_pad_set_query_function (scope->sinkpad,
-      GST_DEBUG_FUNCPTR (gst_audio_visualizer_sink_query));
   gst_element_add_pad (GST_ELEMENT (scope), scope->sinkpad);
 
   pad_template =
@@ -1241,7 +1237,7 @@ gst_audio_visualizer_src_event (GstPad * pad, GstObject * parent,
       res = TRUE;
       break;
     default:
-      res = gst_pad_push_event (scope->sinkpad, event);
+      res = gst_pad_event_default (pad, parent, event);
       break;
   }
 
@@ -1266,9 +1262,6 @@ gst_audio_visualizer_sink_event (GstPad * pad, GstObject * parent,
       res = gst_audio_visualizer_sink_setcaps (scope, caps);
       break;
     }
-    case GST_EVENT_FLUSH_START:
-      res = gst_pad_push_event (scope->srcpad, event);
-      break;
     case GST_EVENT_FLUSH_STOP:
       gst_audio_visualizer_reset (scope);
       res = gst_pad_push_event (scope->srcpad, event);
@@ -1284,7 +1277,7 @@ gst_audio_visualizer_sink_event (GstPad * pad, GstObject * parent,
       break;
     }
     default:
-      res = gst_pad_push_event (scope->srcpad, event);
+      res = gst_pad_event_default (pad, parent, event);
       break;
   }
 
@@ -1350,20 +1343,6 @@ gst_audio_visualizer_src_query (GstPad * pad, GstObject * parent,
   return res;
 }
 
-static gboolean
-gst_audio_visualizer_sink_query (GstPad * pad, GstObject * parent,
-    GstQuery * query)
-{
-  gboolean res = FALSE;
-
-  switch (GST_QUERY_TYPE (query)) {
-    default:
-      res = gst_pad_query_default (pad, parent, query);
-      break;
-  }
-  return res;
-}
-
 static GstStateChangeReturn
 gst_audio_visualizer_change_state (GstElement * element,
     GstStateChange transition)

ext/pango/gstbasetextoverlay.c

@@ -988,7 +988,7 @@ gst_base_text_overlay_src_query (GstPad * pad, GstObject * parent,
       break;
     }
     default:
-      ret = gst_pad_peer_query (overlay->video_sinkpad, query);
+      ret = gst_pad_query_default (pad, parent, query);
       break;
   }
 

gst/encoding/gststreamsplitter.c

@@ -375,30 +375,6 @@ beach:
   return res;
 }
 
-static gboolean
-gst_stream_splitter_src_event (GstPad * pad, GstObject * parent,
-    GstEvent * event)
-{
-  GstStreamSplitter *stream_splitter = (GstStreamSplitter *) parent;
-
-  GST_DEBUG_OBJECT (pad, "%s", GST_EVENT_TYPE_NAME (event));
-
-  /* Forward upstream as is */
-  return gst_pad_push_event (stream_splitter->sinkpad, event);
-}
-
-static gboolean
-gst_stream_splitter_src_query (GstPad * pad, GstObject * parent,
-    GstQuery * query)
-{
-  GstStreamSplitter *stream_splitter = (GstStreamSplitter *) parent;
-
-  GST_DEBUG_OBJECT (pad, "%s", GST_QUERY_TYPE_NAME (query));
-
-  /* Forward upstream as is */
-  return gst_pad_peer_query (stream_splitter->sinkpad, query);
-}
-
 static void
 gst_stream_splitter_init (GstStreamSplitter * stream_splitter)
 {
@@ -423,8 +399,6 @@ gst_stream_splitter_request_new_pad (GstElement * element,
   GstPad *srcpad;
 
   srcpad = gst_pad_new_from_static_template (&src_template, name);
-  gst_pad_set_event_function (srcpad, gst_stream_splitter_src_event);
-  gst_pad_set_query_function (srcpad, gst_stream_splitter_src_query);
 
   STREAMS_LOCK (stream_splitter);
   stream_splitter->srcpads = g_list_append (stream_splitter->srcpads, srcpad);

gst/playback/gststreamsynchronizer.c

@@ -136,25 +136,6 @@ gst_stream_synchronizer_iterate_internal_links (GstPad * pad,
   return it;
 }
 
-static gboolean
-gst_stream_synchronizer_query (GstPad * pad, GstObject * parent,
-    GstQuery * query)
-{
-  GstPad *opad;
-  gboolean ret = FALSE;
-
-  GST_LOG_OBJECT (pad, "Handling query %s", GST_QUERY_TYPE_NAME (query));
-
-  opad =
-      gst_stream_get_other_pad_from_pad (GST_STREAM_SYNCHRONIZER (parent), pad);
-  if (opad) {
-    ret = gst_pad_peer_query (opad, query);
-    gst_object_unref (opad);
-  }
-
-  return ret;
-}
-
 /* srcpad functions */
 static gboolean
 gst_stream_synchronizer_src_event (GstPad * pad, GstObject * parent,
@@ -699,8 +680,6 @@ gst_stream_synchronizer_request_new_pad (GstElement * element,
   gst_pad_set_element_private (stream->sinkpad, stream);
   gst_pad_set_iterate_internal_links_function (stream->sinkpad,
       GST_DEBUG_FUNCPTR (gst_stream_synchronizer_iterate_internal_links));
-  gst_pad_set_query_function (stream->sinkpad,
-      GST_DEBUG_FUNCPTR (gst_stream_synchronizer_query));
   gst_pad_set_event_function (stream->sinkpad,
       GST_DEBUG_FUNCPTR (gst_stream_synchronizer_sink_event));
   gst_pad_set_chain_function (stream->sinkpad,
@@ -712,8 +691,6 @@ gst_stream_synchronizer_request_new_pad (GstElement * element,
   gst_pad_set_element_private (stream->srcpad, stream);
   gst_pad_set_iterate_internal_links_function (stream->srcpad,
       GST_DEBUG_FUNCPTR (gst_stream_synchronizer_iterate_internal_links));
-  gst_pad_set_query_function (stream->srcpad,
-      GST_DEBUG_FUNCPTR (gst_stream_synchronizer_query));
   gst_pad_set_event_function (stream->srcpad,
       GST_DEBUG_FUNCPTR (gst_stream_synchronizer_src_event));