/** * gst_x_overlay_expose: * @overlay: a #GstXOverlay to expose. * * Tell an overlay that it has been exposed. This will redraw the current frame * in the drawable even if the pipeline is PAUSED. */ void gst_x_overlay_expose (GstXOverlay * overlay) { GstXOverlayClass *klass; g_return_if_fail (overlay != NULL); g_return_if_fail (GST_IS_X_OVERLAY (overlay)); klass = GST_X_OVERLAY_GET_CLASS (overlay); if (klass->expose) { klass->expose (overlay); } }