returns the last generated format id , with the format `` programnumber/trackid '' . if no programnumber was provided , the trackid alone is used as format id . must becalled after the first #generatenewid call . concode_field_sep int streamType concode_elem_sep String formatId concode_elem_sep byte[] initializationData concode_elem_sep int trackId concode_elem_sep byte[] descriptorBytes concode_elem_sep String language concode_elem_sep String formatIdPrefix concode_elem_sep int trackIdIncrement concode_elem_sep int type concode_elem_sep List<DvbSubtitleInfo> dvbSubtitleInfos concode_elem_sep int ID_UNSET concode_elem_sep int firstTrackId concode_field_sep void init concode_elem_sep SparseArray<TsPayloadReader> createInitialPayloadReaders concode_elem_sep void maybeThrowUninitializedError concode_elem_sep void generateNewId concode_elem_sep void consume concode_elem_sep TsPayloadReader createPayloadReader concode_elem_sep void seek concode_elem_sep int getTrackId
String function ( ) { maybeThrowUninitializedError ( ) ; return formatId ; }