if (sample_range_.first == sample_range_.second) {
start_sample_ = 0;
sample_count_ = any_segment->get_sample_count();
} else {
if (sample_range_.first > sample_range_.second) {
start_sample_ = sample_range_.second;
if (sample_range_.first == sample_range_.second) {
start_sample_ = 0;
sample_count_ = any_segment->get_sample_count();
} else {
if (sample_range_.first > sample_range_.second) {
start_sample_ = sample_range_.second;