+ void
+ Playlist::get_source_equivalent_regions (boost::shared_ptr<Region> other, vector<boost::shared_ptr<Region> >& results)
+ {
+ for (RegionList::iterator i = regions.begin(); i != regions.end(); ++i) {
+
+ if ((*i) && (*i)->any_source_equivalent (other)) {
+ results.push_back (*i);
+ }
+ }
+ }
+