1 0 AVTransportURI string AVTransportURIMetaData string NextAVTransportURI string NextAVTransportURIMetaData string X_A_ARG_TYPE_NextMusicMode string FETCH PLAY A_ARG_TYPE_InstanceID ui4 X_A_ARG_TYPE_NumberOfSlaves ui4 X_A_ARG_TYPE_UUID string X_A_ARG_TYPE_SyncTime string X_SetMusicURI InstanceID in A_ARG_TYPE_InstanceID CurrentURI in AVTransportURI CurrentURIMetaData in AVTransportURIMetaData X_SetNextMusicURI InstanceID in A_ARG_TYPE_InstanceID NextMusicMode in X_A_ARG_TYPE_NextMusicMode NextURI in NextAVTransportURI NextURIMetaData in NextAVTransportURIMetaData X_Stop InstanceID in A_ARG_TYPE_InstanceID X_FollowPause InstanceID in A_ARG_TYPE_InstanceID SyncTime in X_A_ARG_TYPE_SyncTime X_FollowPlay InstanceID in A_ARG_TYPE_InstanceID SyncTime in X_A_ARG_TYPE_SyncTime