+ Region::merge_features (afl, _onsets, _position);
+ Region::merge_features (afl, _user_transients, _position + _transient_user_start - _start);
+ if (!_onsets.empty ()) {
+ ++cnt;
+ }
+ if (!_user_transients.empty ()) {
+ ++cnt;
+ }
+ if (cnt > 1 ) {
+ afl.sort ();
+ // remove exact duplicates
+ TransientDetector::cleanup_transients (afl, _session.frame_rate(), 0);
+ }
+}
+
+bool
+Region::has_transients () const
+{
+ if (!_user_transients.empty ()) {
+ assert (_valid_transients);
+ return true;
+ }
+ if (!_onsets.empty ()) {
+ return true;
+ }
+ return false;
+}
+
+void
+Region::merge_features (AnalysisFeatureList& result, const AnalysisFeatureList& src, const frameoffset_t off) const
+{
+ for (AnalysisFeatureList::const_iterator x = src.begin(); x != src.end(); ++x) {
+ const frameoffset_t p = (*x) + off;
+ if (p < first_frame() || p > last_frame()) {
+ continue;
+ }
+ result.push_back (p);
+ }