trackobject: Enable adding a TrackObject in a Track before a TimelineObject

We were requiring it only for GESCustomTimelineSource, but it is not actually
necessary so, we can just check if the TrackObject is in a TimelineObject or
not, and react accordingly.

diff --git a/ges/ges-track-object.c b/ges/ges-track-object.c
index 5702967..ec76d1f 100644 (file)
--- a/ges/ges-track-object.c
+++ b/ges/ges-track-object.c
@@ -728,7 +728,7 @@ ensure_gnl_object (GESTrackObject * object)
   GESTrackObjectClass *class;
   GstElement *gnlobject;
   GHashTable *props_hash;
-  gboolean res = FALSE;
+  gboolean res = TRUE;
 
   if (object->priv->gnlobject && object->priv->valid)
     return FALSE;
@@ -760,9 +760,12 @@ ensure_gnl_object (GESTrackObject * object)
   if (gnlobject) {
     GST_DEBUG ("Got a valid GnlObject, now filling it in");
 
-    res =
-        ges_timeline_object_fill_track_object (object->priv->timelineobj,
-        object, object->priv->gnlobject);
+    if (object->priv->timelineobj)
+      res = ges_timeline_object_fill_track_object (object->priv->timelineobj,
+          object, object->priv->gnlobject);
+    else
+      res = TRUE;
+
     if (res) {
       /* Connect to property notifications */
       /* FIXME : remember the signalids so we can remove them later on !!! */