+ /* Create input and output ports */
+ ret = bt_self_component_filter_add_input_port(
+ component, "in", NULL, NULL);
+ if (ret != BT_COMPONENT_STATUS_OK) {
+ goto error;
+ }
+
+ ret = bt_self_component_filter_add_output_port(
+ component, "out", NULL, NULL);
+ if (ret != BT_COMPONENT_STATUS_OK) {
+ goto error;
+ }
+
+ ret = bt_self_component_set_user_data(component, trimmer);