+const uint8_t* Segment::get_raw_sample(uint64_t sample_num) const
+{
+ assert(sample_num <= sample_count_);
+
+ uint64_t chunk_num = (sample_num * unit_size_) / chunk_size_;
+ uint64_t chunk_offs = (sample_num * unit_size_) % chunk_size_;
+
+ lock_guard<recursive_mutex> lock(mutex_); // Because of free_unused_memory()
+
+ const uint8_t* chunk = data_chunks_[chunk_num];
+
+ return chunk + chunk_offs;
+}
+
+void Segment::get_raw_samples(uint64_t start, uint64_t count, uint8_t* dest) const