GST_STATE_PLAYING   51 gst/gstelement.h GST_STATE_PLAYING             = 4
GST_STATE_PLAYING  308 gst/gstelement.h GST_STATE_CHANGE_PAUSED_TO_PLAYING    = (GST_STATE_PAUSED<<3) | GST_STATE_PLAYING,
GST_STATE_PLAYING  309 gst/gstelement.h GST_STATE_CHANGE_PLAYING_TO_PAUSED    = (GST_STATE_PLAYING<<3) | GST_STATE_PAUSED,