+ std::string const & name = prop->value();
+ AudioPort * port = dynamic_cast<AudioPort *> (session.engine().get_port_by_name (name));
+ if (port) {
+ ports.insert (port);
+ } else {
+ PBD::warning << string_compose (_("Could not get port for export channel \"%1\", dropping the channel"), name) << endmsg;
+ }