ges: adds an enable_update function to the GESTimeline

Binds it in python

API: ges_timeline_enable_update

bindings/python/ges.defs

@@ -853,6 +853,15 @@
   (return-type "GList*")
 )
 
+(define-method enable_update
+  (of-object "GESTimeline")
+  (c-name "ges_timeline_enable_update")
+  (return-type "gboolean")
+  (parameters
+    '("gboolean" "enabled")
+  )
+)
+
 
 
 ;; From ges-timeline-layer.h
@@ -1636,6 +1645,15 @@
   (return-type "GESTrack*")
 )
 
+(define-method enable_update
+  (of-object "GESTrack")
+  (c-name "ges_track_enable_update")
+  (return-type "gboolean")
+  (parameters
+    '("gboolean" "enabled")
+  )
+)
+
 
 
 ;; From ges-track-image-source.h

ges/ges-timeline.c

@@ -1104,3 +1104,31 @@ ges_timeline_get_layers (GESTimeline * timeline)
 
   return res;
 }
+
+/**
+ * ges_timeline_enable_update:
+ * @timeline : a #GESTimeline
+ * @enabled : TRUE if the timeline must be updated, FALSE otherwise.
+ *
+ * Calls the enable_update function of the tracks contained by the timeline.
+ *
+ * Returns : True if success, FALSE otherwise.
+ */
+gboolean
+ges_timeline_enable_update (GESTimeline * timeline, gboolean enabled)
+{
+  GList *tmp, *tracks;
+  gboolean res = TRUE;
+
+  tracks = ges_timeline_get_tracks (timeline);
+
+  for (tmp = tracks; tmp; tmp = tmp->next) {
+    if (!ges_track_enable_update (tmp->data, enabled)) {
+      res = FALSE;
+    }
+  }
+
+  g_list_free (tracks);
+
+  return res;
+}

ges/ges-timeline.h

@@ -99,6 +99,8 @@ gboolean ges_timeline_remove_track (GESTimeline *timeline, GESTrack *track);
 GESTrack * ges_timeline_get_track_for_pad (GESTimeline *timeline, GstPad *pad);
 GList *ges_timeline_get_tracks (GESTimeline *timeline);
 
+gboolean ges_timeline_enable_update(GESTimeline * timeline, gboolean enabled);
+
 G_END_DECLS
 
 #endif /* _GES_TIMELINE */

ges/ges-track.c

@@ -601,3 +601,28 @@ ges_track_get_timeline (GESTrack * track)
 
   return track->priv->timeline;
 }
+
+/**
+ * ges_track_enable_update:
+ * @track : a #GESTrack
+ * @enabled : TRUE if the composition must be updated, FALSE otherwise.
+ *
+ * Sets the @track 's composition update property to @enabled .
+ *
+ * Returns : True if success, FALSE otherwise.
+ */
+gboolean
+ges_track_enable_update (GESTrack * track, gboolean enabled)
+{
+  gboolean update;
+
+  g_object_set (track->priv->composition, "update", enabled, NULL);
+
+  g_object_get (track->priv->composition, "update", &update, NULL);
+
+  if (update == enabled) {
+    return TRUE;
+  } else {
+    return FALSE;
+  }
+}

ges/ges-track.h

@@ -98,6 +98,8 @@ gboolean ges_track_remove_object (GESTrack * track,
 GESTrack *ges_track_video_raw_new (void);
 GESTrack *ges_track_audio_raw_new (void);
 
+gboolean ges_track_enable_update(GESTrack * track, gboolean enabled);
+
 GList* ges_track_get_objects (GESTrack *track);
 
 G_END_DECLS