+ ProcessorList to_skip;
+
+ // check if there's an instrument to replace or configure
+ for (ProcessorList::const_iterator i = others.begin(); i != others.end(); ++i) {
+ boost::shared_ptr<PluginInsert> pi;
+ if ((pi = boost::dynamic_pointer_cast<PluginInsert>(*i)) == 0) {
+ continue;
+ }
+ if (!pi->plugin ()->get_info ()->is_instrument ()) {
+ continue;
+ }
+ boost::shared_ptr<Processor> instrument = the_instrument ();
+ ChanCount in (DataType::MIDI, 1);
+ ChanCount out (DataType::AUDIO, 2); // XXX route's out?!
+
+ PluginSetupOptions flags = None;
+ if (instrument) {
+ flags |= CanReplace;
+ in = instrument->input_streams ();
+ out = instrument->output_streams ();
+ }
+ if (pi->has_output_presets (in, out)) {
+ flags |= MultiOut;
+ }
+
+ pi->set_strict_io (_strict_io);
+
+ PluginSetupOptions mask = None;
+ if (Config->get_ask_replace_instrument ()) {
+ mask |= CanReplace;
+ }
+ if (Config->get_ask_setup_instrument ()) {
+ mask |= MultiOut;
+ }
+
+ flags &= mask;
+
+ if (flags != None) {
+ boost::optional<int> rv = PluginSetup (shared_from_this (), pi, flags); /* EMIT SIGNAL */
+ switch (rv.get_value_or (0)) {
+ case 1:
+ to_skip.push_back (*i); // don't add this one;
+ break;
+ case 2:
+ replace_processor (instrument, *i, err);
+ to_skip.push_back (*i);
+ break;
+ default:
+ break;
+ }
+ }
+ }
+