C++ (Cpp) ges_layer_get_priority Examples

Example #1

GESTimeline *
overlayTL (void)
{
  GESTimeline *timeline;
  GESLayer *layer, *layer2;

  timeline = ges_timeline_new_video ();
  layer = ges_layer_new ();
  layer2 = ges_layer_new ();

  ges_layer_set_priority (layer2, 1);

  guint prio1 = ges_layer_get_priority (layer);
  guint prio2 = ges_layer_get_priority (layer2);

  g_object_set (layer, "auto-transition", TRUE, NULL);

  g_print ("prios %d %d\n", prio1, prio2);

  ges_timeline_add_layer (timeline, layer);
  ges_timeline_add_layer (timeline, layer2);

  ges_clip_unknown_from_rel_path ("image/PNG_transparency_demonstration_1.png",
      layer, 0, 0, 10);
  ges_clip_unknown_from_rel_path ("hd/fluidsimulation.mp4", layer2, 0, 0, 10);

  ges_timeline_commit (timeline);

  return timeline;
}

Example #2

File: ges-group.c Project: MathieuDuponchelle/PitiviGes

/****************************************************
 *              Our listening of children           *
 ****************************************************/
static void
_update_our_values (GESGroup * group)
{
  GList *tmp;
  GESContainer *container = GES_CONTAINER (group);
  guint32 min_layer_prio = G_MAXINT32, max_layer_prio = 0;

  for (tmp = GES_CONTAINER_CHILDREN (group); tmp; tmp = tmp->next) {
    GESContainer *child = tmp->data;

    if (GES_IS_CLIP (child)) {
      GESLayer *layer = ges_clip_get_layer (GES_CLIP (child));
      gint32 prio = ges_layer_get_priority (layer);

      min_layer_prio = MIN (prio, min_layer_prio);
      max_layer_prio = MAX (prio, max_layer_prio);
    } else if (GES_IS_GROUP (child)) {
      gint32 prio = _PRIORITY (child), height = GES_CONTAINER_HEIGHT (child);

      min_layer_prio = MIN (prio, min_layer_prio);
      max_layer_prio = MAX ((prio + height), max_layer_prio);
    }
  }

  if (min_layer_prio != _PRIORITY (group)) {
    group->priv->setting_value = TRUE;
    _set_priority0 (GES_TIMELINE_ELEMENT (group), min_layer_prio);
    group->priv->setting_value = FALSE;
    for (tmp = GES_CONTAINER_CHILDREN (group); tmp; tmp = tmp->next) {
      GESTimelineElement *child = tmp->data;
      guint32 child_prio = GES_IS_CLIP (child) ?
          ges_clip_get_layer_priority (GES_CLIP (child)) : _PRIORITY (child);

      _ges_container_set_priority_offset (container,
          child, min_layer_prio - child_prio);
    }
  }

  group->priv->max_layer_prio = max_layer_prio;
  _ges_container_set_height (GES_CONTAINER (group),
      max_layer_prio - min_layer_prio + 1);
}

Example #3

File: ges-group.c Project: MathieuDuponchelle/PitiviGes

          child, min_layer_prio - child_prio);
    }
  }

  group->priv->max_layer_prio = max_layer_prio;
  _ges_container_set_height (GES_CONTAINER (group),
      max_layer_prio - min_layer_prio + 1);
}

static void
_child_priority_changed_cb (GESLayer * layer,
    GParamSpec * arg G_GNUC_UNUSED, GESTimelineElement * clip)
{
  GESContainer *container = GES_CONTAINER (GES_TIMELINE_ELEMENT_PARENT (clip));

  gint layer_prio = ges_layer_get_priority (layer);
  gint offset = _ges_container_get_priority_offset (container, clip);

  if (container->children_control_mode != GES_CHILDREN_UPDATE) {
    GST_DEBUG_OBJECT (container, "Ignoring updated");
    return;
  }

  if (layer_prio + offset == _PRIORITY (container))
    return;

  container->initiated_move = clip;
  _set_priority0 (GES_TIMELINE_ELEMENT (container), layer_prio + offset);
  container->initiated_move = NULL;
}