GstStateChange   2649 gst/gstbin.c     GstStateChange transition;
GstStateChange   2667 gst/gstbin.c     transition = (GstStateChange) GST_STATE_TRANSITION (current, next);
GstStateChange   2176 gst/gstelement.c   GstStateChange transition;
GstStateChange   2198 gst/gstelement.c   transition = (GstStateChange) GST_STATE_TRANSITION (current, next);
GstStateChange   2417 gst/gstelement.c   GstStateChange transition;
GstStateChange   2490 gst/gstelement.c   transition = (GstStateChange) GST_STATE_TRANSITION (current, next);
GstStateChange    162 gst/gstelement.h #define GST_STATE_TRANSITION(cur,next)          ((GstStateChange)(((cur)<<3)|(next)))
GstStateChange    639 gst/gstelement.h   GstStateChangeReturn (*change_state)          (GstElement *element, GstStateChange transition);