:right-sidebar: True StateChangeReturn =================================================================== .. currentmodule:: gi.repository.Gst .. class:: StateChangeReturn :no-contents-entry: The possible return values from a state change function such as :func:`~gi.repository.Gst.Element.set_state`. Only ``GST_STATE_CHANGE_FAILURE`` is a real failure. Fields ------ .. rst-class:: interim-class .. class:: StateChangeReturn :no-index: .. attribute:: ASYNC The type of the None singleton. .. attribute:: FAILURE The type of the None singleton. .. attribute:: NO_PREROLL The type of the None singleton. .. attribute:: SUCCESS The type of the None singleton.