1 0 SetAVTransportURI InstanceID in A_ARG_TYPE_InstanceID CurrentURI in AVTransportURI CurrentURIMetaData in AVTransportURIMetaData Play InstanceID in A_ARG_TYPE_InstanceID Speed in TransportPlaySpeed Stop InstanceID in A_ARG_TYPE_InstanceID TransportState string STOPPED PLAYING TRANSITIONING PAUSED_PLAYBACK PAUSED_RECORDING RECORDING NO_MEDIA_PRESENT TransportPlaySpeed string 1 1 AVTransportURI string AVTransportURIMetaData string A_ARG_TYPE_InstanceID ui4 A_ARG_TYPE_PlaySpeed string