- SegmentRawDataIterator* begin_raw_sample_iteration(uint64_t start) const;
- void continue_raw_sample_iteration(SegmentRawDataIterator* it, uint64_t increase) const;
- void end_raw_sample_iteration(SegmentRawDataIterator* it) const;
+ SegmentDataIterator* begin_sample_iteration(uint64_t start);
+ void continue_sample_iteration(SegmentDataIterator* it, uint64_t increase);
+ void end_sample_iteration(SegmentDataIterator* it);
+ uint8_t* get_iterator_value(SegmentDataIterator* it);
+ uint64_t get_iterator_valid_length(SegmentDataIterator* it);