GESTimeline: release timeline objects when a layer is removed

diff --git a/ges/ges-timeline.c b/ges/ges-timeline.c
index 537bf1835eee0146133b215c433f9f18032c158f..ac4c2a940d26ca10f888fb037e467ffed82bed2a 100644 (file)
--- a/ges/ges-timeline.c
+++ b/ges/ges-timeline.c
@@ -566,6 +566,8 @@ ges_timeline_add_layer (GESTimeline * timeline, GESTimelineLayer * layer)
 gboolean
 ges_timeline_remove_layer (GESTimeline * timeline, GESTimelineLayer * layer)
 {
+  GList *layer_objects, *tmp;
+
   GST_DEBUG ("timeline:%p, layer:%p", timeline, layer);
 
   if (G_UNLIKELY (!g_list_find (timeline->layers, layer))) {
@@ -573,6 +575,16 @@ ges_timeline_remove_layer (GESTimeline * timeline, GESTimelineLayer * layer)
     return FALSE;
   }
 
+  /* remove objects from any private data structures */
+
+  layer_objects = ges_timeline_layer_get_objects (layer);
+  for (tmp = layer_objects; tmp; tmp = tmp->next) {
+    layer_object_removed_cb (layer, GES_TIMELINE_OBJECT (tmp->data), timeline);
+    g_object_unref (G_OBJECT (tmp->data));
+    tmp->data = NULL;
+  }
+  g_list_free (layer_objects);
+
   /* Disconnect signals */
   GST_DEBUG ("Disconnecting signal callbacks");
   g_signal_handlers_disconnect_by_func (layer, layer_object_added_cb, timeline);