C++ (Cpp) ges_layer_set_priority示例

示例#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;
}

示例#2

文件： ges-base-xml-formatter.c 项目： MathieuDuponchelle/PitiviGes

void
ges_base_xml_formatter_add_layer (GESBaseXmlFormatter * self,
    GType extractable_type, guint priority, GstStructure * properties,
    const gchar * metadatas, GError ** error)
{
  LayerEntry *entry;
  GESAsset *asset;
  GESLayer *layer;
  gboolean auto_transition = FALSE;
  GESBaseXmlFormatterPrivate *priv = _GET_PRIV (self);

  if (priv->check_only)
    return;

  if (extractable_type == G_TYPE_NONE)
    layer = ges_layer_new ();
  else {
    asset = ges_asset_request (extractable_type, NULL, error);
    if (asset == NULL) {
      if (error && *error == NULL) {
        g_set_error (error, G_MARKUP_ERROR,
            G_MARKUP_ERROR_INVALID_CONTENT,
            "Layer type %s could not be created'",
            g_type_name (extractable_type));
        return;
      }
    }
    layer = GES_LAYER (ges_asset_extract (asset, error));
  }

  ges_layer_set_priority (layer, priority);
  ges_timeline_add_layer (GES_FORMATTER (self)->timeline, layer);
  if (properties) {
    if (gst_structure_get_boolean (properties, "auto-transition",
            &auto_transition))
      gst_structure_remove_field (properties, "auto-transition");

    gst_structure_foreach (properties,
        (GstStructureForeachFunc) set_property_foreach, layer);
  }

  if (metadatas)
    ges_meta_container_add_metas_from_string (GES_META_CONTAINER (layer),
        metadatas);

  entry = g_slice_new0 (LayerEntry);
  entry->layer = gst_object_ref (layer);
  entry->auto_trans = auto_transition;

  g_hash_table_insert (priv->layers, GINT_TO_POINTER (priority), entry);
}

示例#3

文件： ges-layer.c 项目： dark-al/gst-editing-services-old

static void
ges_layer_set_property (GObject * object, guint property_id,
    const GValue * value, GParamSpec * pspec)
{
  GESLayer *layer = GES_LAYER (object);

  switch (property_id) {
    case PROP_PRIORITY:
      ges_layer_set_priority (layer, g_value_get_uint (value));
      break;
    case PROP_AUTO_TRANSITION:
      ges_layer_set_auto_transition (layer, g_value_get_boolean (value));
      break;
    default:
      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
  }
}