2 * Copyright (C) 2006 Paul Davis
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
30 #include <pbd/gstdio_compat.h>
31 #include <glibmm/miscutils.h>
33 #include <pbd/convert.h>
34 #include <pbd/pthread_utils.h>
35 #include <pbd/file_utils.h>
36 #include <pbd/failed_constructor.h>
38 #include "ardour/amp.h"
39 #include "ardour/session.h"
40 #include "ardour/route.h"
41 #include "ardour/audio_track.h"
42 #include "ardour/midi_track.h"
43 #include "ardour/dB.h"
44 #include "ardour/filesystem_paths.h"
45 #include "ardour/panner.h"
46 #include "ardour/plugin.h"
47 #include "ardour/plugin_insert.h"
48 #include "ardour/send.h"
51 #include "osc_controllable.h"
52 #include "osc_route_observer.h"
55 using namespace ARDOUR;
58 using namespace ArdourSurface;
60 #include "pbd/abstract_ui.cc" // instantiate template
62 OSC* OSC::_instance = 0;
65 static void error_callback(int num, const char *m, const char *path)
67 fprintf(stderr, "liblo server error %d in path %s: %s\n", num, path, m);
70 static void error_callback(int, const char *, const char *)
76 OSC::OSC (Session& s, uint32_t port)
77 : ControlProtocol (s, X_("Open Sound Control (OSC)"))
78 , AbstractUI<OSCUIRequest> ("osc")
85 , _osc_unix_server (0)
86 , _namespace_root ("/ardour")
87 , _send_route_changes (true)
92 session->Exported.connect (*this, MISSING_INVALIDATOR, boost::bind (&OSC::session_exported, this, _1, _2), this);
102 OSC::do_request (OSCUIRequest* req)
104 if (req->type == CallSlot) {
106 call_slot (MISSING_INVALIDATOR, req->the_slot);
108 } else if (req->type == Quit) {
115 OSC::set_active (bool yn)
117 if (yn != active()) {
131 return ControlProtocol::set_active (yn);
135 OSC::get_active () const
137 return _osc_server != 0;
141 OSC::set_feedback (bool yn)
143 _send_route_changes = yn;
148 OSC::get_feedback () const
150 return _send_route_changes;
159 /* already started */
163 for (int j=0; j < 20; ++j) {
164 snprintf(tmpstr, sizeof(tmpstr), "%d", _port);
166 //if ((_osc_server = lo_server_new_with_proto (tmpstr, LO_TCP, error_callback))) {
170 if ((_osc_server = lo_server_new (tmpstr, error_callback))) {
175 cerr << "can't get osc at port: " << _port << endl;
185 #ifdef ARDOUR_OSC_UNIX_SERVER
187 // APPEARS sluggish for now
189 // attempt to create unix socket server too
191 snprintf(tmpstr, sizeof(tmpstr), "/tmp/sooperlooper_XXXXXX");
192 int fd = mkstemp(tmpstr);
198 _osc_unix_server = lo_server_new (tmpstr, error_callback);
200 if (_osc_unix_server) {
201 _osc_unix_socket_path = tmpstr;
206 PBD::info << "OSC @ " << get_server_url () << endmsg;
208 std::string url_file;
210 if (find_file (ardour_config_search_path(), "osc_url", url_file)) {
212 _osc_url_file = url_file;
214 urlfile.open(_osc_url_file.c_str(), ios::trunc);
217 urlfile << get_server_url () << endl;
220 cerr << "Couldn't write '" << _osc_url_file << "'" <<endl;
224 register_callbacks();
226 // lo_server_thread_add_method(_sthread, NULL, NULL, OSC::_dummy_handler, this);
228 /* startup the event loop thread */
238 pthread_set_name (X_("OSC"));
240 if (_osc_unix_server) {
241 Glib::RefPtr<IOSource> src = IOSource::create (lo_server_get_socket_fd (_osc_unix_server), IO_IN|IO_HUP|IO_ERR);
242 src->connect (sigc::bind (sigc::mem_fun (*this, &OSC::osc_input_handler), _osc_unix_server));
243 src->attach (_main_loop->get_context());
244 local_server = src->gobj();
245 g_source_ref (local_server);
249 Glib::RefPtr<IOSource> src = IOSource::create (lo_server_get_socket_fd (_osc_server), IO_IN|IO_HUP|IO_ERR);
250 src->connect (sigc::bind (sigc::mem_fun (*this, &OSC::osc_input_handler), _osc_server));
251 src->attach (_main_loop->get_context());
252 remote_server = src->gobj();
253 g_source_ref (remote_server);
256 PBD::notify_gui_about_thread_creation (X_("gui"), pthread_self(), X_("OSC"), 2048);
257 SessionEvent::create_per_thread_pool (X_("OSC"), 128);
266 g_source_destroy (local_server);
267 g_source_unref (local_server);
272 g_source_destroy (remote_server);
273 g_source_unref (remote_server);
280 lo_server_free (_osc_server);
284 if (_osc_unix_server) {
285 lo_server_free (_osc_unix_server);
286 _osc_unix_server = 0;
289 if (!_osc_unix_socket_path.empty()) {
290 ::g_unlink (_osc_unix_socket_path.c_str());
293 if (!_osc_url_file.empty() ) {
294 ::g_unlink (_osc_url_file.c_str() );
297 // Delete any active route observers
298 for (RouteObservers::iterator x = route_observers.begin(); x != route_observers.end();) {
300 OSCRouteObserver* rc;
302 if ((rc = dynamic_cast<OSCRouteObserver*>(*x)) != 0) {
304 x = route_observers.erase (x);
314 OSC::register_callbacks()
319 srvs[0] = _osc_server;
320 srvs[1] = _osc_unix_server;
322 for (size_t i = 0; i < 2; ++i) {
330 /* this is a special catchall handler */
332 lo_server_add_method (serv, 0, 0, _catchall, this);
334 #define REGISTER_CALLBACK(serv,path,types, function) lo_server_add_method (serv, path, types, OSC::_ ## function, this)
336 REGISTER_CALLBACK (serv, "/routes/list", "", routes_list);
337 REGISTER_CALLBACK (serv, "/ardour/add_marker", "", add_marker);
338 REGISTER_CALLBACK (serv, "/ardour/access_action", "s", access_action);
339 REGISTER_CALLBACK (serv, "/ardour/loop_toggle", "", loop_toggle);
340 REGISTER_CALLBACK (serv, "/ardour/loop_location", "ii", loop_location);
341 REGISTER_CALLBACK (serv, "/ardour/goto_start", "", goto_start);
342 REGISTER_CALLBACK (serv, "/ardour/goto_end", "", goto_end);
343 REGISTER_CALLBACK (serv, "/ardour/rewind", "", rewind);
344 REGISTER_CALLBACK (serv, "/ardour/ffwd", "", ffwd);
345 REGISTER_CALLBACK (serv, "/ardour/transport_stop", "", transport_stop);
346 REGISTER_CALLBACK (serv, "/ardour/transport_play", "", transport_play);
347 REGISTER_CALLBACK (serv, "/ardour/transport_frame", "", transport_frame);
348 REGISTER_CALLBACK (serv, "/ardour/set_transport_speed", "f", set_transport_speed);
349 REGISTER_CALLBACK (serv, "/ardour/locate", "ii", locate);
350 REGISTER_CALLBACK (serv, "/ardour/save_state", "", save_state);
351 REGISTER_CALLBACK (serv, "/ardour/prev_marker", "", prev_marker);
352 REGISTER_CALLBACK (serv, "/ardour/next_marker", "", next_marker);
353 REGISTER_CALLBACK (serv, "/ardour/undo", "", undo);
354 REGISTER_CALLBACK (serv, "/ardour/redo", "", redo);
355 REGISTER_CALLBACK (serv, "/ardour/toggle_punch_in", "", toggle_punch_in);
356 REGISTER_CALLBACK (serv, "/ardour/toggle_punch_out", "", toggle_punch_out);
357 REGISTER_CALLBACK (serv, "/ardour/rec_enable_toggle", "", rec_enable_toggle);
358 REGISTER_CALLBACK (serv, "/ardour/toggle_all_rec_enables", "", toggle_all_rec_enables);
360 REGISTER_CALLBACK (serv, "/ardour/routes/mute", "ii", route_mute);
361 REGISTER_CALLBACK (serv, "/ardour/routes/solo", "ii", route_solo);
362 REGISTER_CALLBACK (serv, "/ardour/routes/recenable", "ii", route_recenable);
363 REGISTER_CALLBACK (serv, "/ardour/routes/gainabs", "if", route_set_gain_abs);
364 REGISTER_CALLBACK (serv, "/ardour/routes/gaindB", "if", route_set_gain_dB);
365 REGISTER_CALLBACK (serv, "/ardour/routes/trimabs", "if", route_set_trim_abs);
366 REGISTER_CALLBACK (serv, "/ardour/routes/trimdB", "if", route_set_trim_dB);
367 REGISTER_CALLBACK (serv, "/ardour/routes/pan_stereo_position", "if", route_set_pan_stereo_position);
368 REGISTER_CALLBACK (serv, "/ardour/routes/pan_stereo_width", "if", route_set_pan_stereo_width);
369 REGISTER_CALLBACK (serv, "/ardour/routes/plugin/parameter", "iiif", route_plugin_parameter);
370 REGISTER_CALLBACK (serv, "/ardour/routes/plugin/parameter/print", "iii", route_plugin_parameter_print);
371 REGISTER_CALLBACK (serv, "/ardour/routes/send/gainabs", "iif", route_set_send_gain_abs);
372 REGISTER_CALLBACK (serv, "/ardour/routes/send/gaindB", "iif", route_set_send_gain_dB);
374 /* still not-really-standardized query interface */
375 //REGISTER_CALLBACK (serv, "/ardour/*/#current_value", "", current_value);
376 //REGISTER_CALLBACK (serv, "/ardour/set", "", set);
378 // un/register_update args= s:ctrl s:returl s:retpath
379 //lo_server_add_method(serv, "/register_update", "sss", OSC::global_register_update_handler, this);
380 //lo_server_add_method(serv, "/unregister_update", "sss", OSC::global_unregister_update_handler, this);
381 //lo_server_add_method(serv, "/register_auto_update", "siss", OSC::global_register_auto_update_handler, this);
382 //lo_server_add_method(serv, "/unregister_auto_update", "sss", OSC::_global_unregister_auto_update_handler, this);
388 OSC::osc_input_handler (IOCondition ioc, lo_server srv)
395 lo_server_recv (srv);
402 OSC::get_server_url()
408 urlstr = lo_server_get_url (_osc_server);
417 OSC::get_unix_server_url()
422 if (_osc_unix_server) {
423 urlstr = lo_server_get_url (_osc_unix_server);
432 OSC::listen_to_route (boost::shared_ptr<Route> route, lo_address addr)
434 /* avoid duplicate listens */
436 for (RouteObservers::iterator x = route_observers.begin(); x != route_observers.end(); ++x) {
438 OSCRouteObserver* ro;
440 if ((ro = dynamic_cast<OSCRouteObserver*>(*x)) != 0) {
442 int res = strcmp(lo_address_get_hostname(ro->address()), lo_address_get_hostname(addr));
444 if (ro->route() == route && res == 0) {
450 OSCRouteObserver* o = new OSCRouteObserver (route, addr);
451 route_observers.push_back (o);
453 route->DropReferences.connect (*this, MISSING_INVALIDATOR, boost::bind (&OSC::drop_route, this, boost::weak_ptr<Route> (route)), this);
457 OSC::drop_route (boost::weak_ptr<Route> wr)
459 boost::shared_ptr<Route> r = wr.lock ();
465 for (RouteObservers::iterator x = route_observers.begin(); x != route_observers.end();) {
467 OSCRouteObserver* rc;
469 if ((rc = dynamic_cast<OSCRouteObserver*>(*x)) != 0) {
471 if (rc->route() == r) {
473 x = route_observers.erase (x);
484 OSC::end_listen (boost::shared_ptr<Route> r, lo_address addr)
486 RouteObservers::iterator x;
488 // Remove the route observers
489 for (x = route_observers.begin(); x != route_observers.end();) {
491 OSCRouteObserver* ro;
493 if ((ro = dynamic_cast<OSCRouteObserver*>(*x)) != 0) {
495 int res = strcmp(lo_address_get_hostname(ro->address()), lo_address_get_hostname(addr));
497 if (ro->route() == r && res == 0) {
499 x = route_observers.erase (x);
512 OSC::current_value_query (const char* path, size_t len, lo_arg **argv, int argc, lo_message msg)
516 subpath = (char*) malloc (len-15+1);
517 memcpy (subpath, path, len-15);
518 subpath[len-15] = '\0';
520 send_current_value (subpath, argv, argc, msg);
526 OSC::send_current_value (const char* path, lo_arg** argv, int argc, lo_message msg)
532 lo_message reply = lo_message_new ();
533 boost::shared_ptr<Route> r;
536 lo_message_add_string (reply, path);
539 lo_message_add_string (reply, "bad syntax");
542 r = session->route_by_remote_id (id);
545 lo_message_add_string (reply, "not found");
548 if (strcmp (path, "/routes/state") == 0) {
550 if (boost::dynamic_pointer_cast<AudioTrack>(r)) {
551 lo_message_add_string (reply, "AT");
552 } else if (boost::dynamic_pointer_cast<MidiTrack>(r)) {
553 lo_message_add_string (reply, "MT");
555 lo_message_add_string (reply, "B");
558 lo_message_add_string (reply, r->name().c_str());
559 lo_message_add_int32 (reply, r->n_inputs().n_audio());
560 lo_message_add_int32 (reply, r->n_outputs().n_audio());
561 lo_message_add_int32 (reply, r->muted());
562 lo_message_add_int32 (reply, r->soloed());
564 } else if (strcmp (path, "/routes/mute") == 0) {
566 lo_message_add_int32 (reply, (float) r->muted());
568 } else if (strcmp (path, "/routes/solo") == 0) {
570 lo_message_add_int32 (reply, r->soloed());
575 lo_send_message (lo_message_get_source (msg), "#reply", reply);
576 lo_message_free (reply);
580 OSC::_catchall (const char *path, const char *types, lo_arg **argv, int argc, void *data, void *user_data)
582 return ((OSC*)user_data)->catchall (path, types, argv, argc, data);
586 OSC::catchall (const char *path, const char* /*types*/, lo_arg **argv, int argc, lo_message msg)
589 int ret = 1; /* unhandled */
591 //cerr << "Received a message, path = " << path << " types = \""
592 // << (types ? types : "NULL") << '"' << endl;
594 /* 15 for /#current_value plus 2 for /<path> */
598 if (len >= 17 && !strcmp (&path[len-15], "/#current_value")) {
599 current_value_query (path, len, argv, argc, msg);
602 } else if (strcmp (path, "/routes/listen") == 0) {
604 cerr << "set up listener\n";
606 lo_message reply = lo_message_new ();
609 lo_message_add_string (reply, "syntax error");
611 for (int n = 0; n < argc; ++n) {
613 boost::shared_ptr<Route> r = session->route_by_remote_id (argv[n]->i);
616 lo_message_add_string (reply, "not found");
617 cerr << "no such route\n";
620 cerr << "add listener\n";
621 listen_to_route (r, lo_message_get_source (msg));
622 lo_message_add_int32 (reply, argv[n]->i);
627 lo_send_message (lo_message_get_source (msg), "#reply", reply);
628 lo_message_free (reply);
632 } else if (strcmp (path, "/routes/ignore") == 0) {
634 for (int n = 0; n < argc; ++n) {
636 boost::shared_ptr<Route> r = session->route_by_remote_id (argv[n]->i);
639 end_listen (r, lo_message_get_source (msg));
655 // "Application Hook" Handlers //
657 OSC::session_loaded (Session& s)
659 lo_address listener = lo_address_new (NULL, "7770");
660 lo_send (listener, "/session/loaded", "ss", s.path().c_str(), s.name().c_str());
664 OSC::session_exported (std::string path, std::string name)
666 lo_address listener = lo_address_new (NULL, "7770");
667 lo_send (listener, "/session/exported", "ss", path.c_str(), name.c_str());
670 // end "Application Hook" Handlers //
675 OSC::current_value (const char */*path*/, const char */*types*/, lo_arg **/*argv*/, int /*argc*/, void */*data*/, void* /*user_data*/)
680 if (argc < 3 || types == 0 || strlen (types) < 3 || types[0] != 's' || types[1] != 's' || types[2] != s) {
684 const char *returl = argv[1]->s;
685 lo_address addr = find_or_cache_addr (returl);
687 const char *retpath = argv[2]->s;
690 if (strcmp (argv[0]->s, "transport_frame") == 0) {
693 lo_send (addr, retpath, "i", session->transport_frame());
696 } else if (strcmp (argv[0]->s, "transport_speed") == 0) {
699 lo_send (addr, retpath, "i", session->transport_frame());
702 } else if (strcmp (argv[0]->s, "transport_locked") == 0) {
705 lo_send (addr, retpath, "i", session->transport_frame());
708 } else if (strcmp (argv[0]->s, "punch_in") == 0) {
711 lo_send (addr, retpath, "i", session->transport_frame());
714 } else if (strcmp (argv[0]->s, "punch_out") == 0) {
717 lo_send (addr, retpath, "i", session->transport_frame());
720 } else if (strcmp (argv[0]->s, "rec_enable") == 0) {
723 lo_send (addr, retpath, "i", session->transport_frame());
735 OSC::routes_list (lo_message msg)
737 for (int n = 0; n < (int) session->nroutes(); ++n) {
739 boost::shared_ptr<Route> r = session->route_by_remote_id (n);
743 lo_message reply = lo_message_new ();
745 if (boost::dynamic_pointer_cast<AudioTrack>(r)) {
746 lo_message_add_string (reply, "AT");
747 } else if (boost::dynamic_pointer_cast<MidiTrack>(r)) {
748 lo_message_add_string (reply, "MT");
750 lo_message_add_string (reply, "B");
753 lo_message_add_string (reply, r->name().c_str());
754 lo_message_add_int32 (reply, r->n_inputs().n_audio());
755 lo_message_add_int32 (reply, r->n_outputs().n_audio());
756 lo_message_add_int32 (reply, r->muted());
757 lo_message_add_int32 (reply, r->soloed());
758 lo_message_add_int32 (reply, r->remote_control_id());
760 if (boost::dynamic_pointer_cast<AudioTrack>(r)
761 || boost::dynamic_pointer_cast<MidiTrack>(r)) {
763 boost::shared_ptr<Track> t = boost::dynamic_pointer_cast<Track>(r);
764 lo_message_add_int32 (reply, t->record_enabled());
767 //Automatically listen to routes listed
768 listen_to_route(r, lo_message_get_source (msg));
770 lo_send_message (lo_message_get_source (msg), "#reply", reply);
771 lo_message_free (reply);
775 // Send end of listing message
776 lo_message reply = lo_message_new ();
778 lo_message_add_string (reply, "end_route_list");
779 lo_message_add_int64 (reply, session->frame_rate());
780 lo_message_add_int64 (reply, session->current_end_frame());
782 lo_send_message (lo_message_get_source (msg), "#reply", reply);
784 lo_message_free (reply);
788 OSC::transport_frame (lo_message msg)
790 framepos_t pos = session->transport_frame ();
792 lo_message reply = lo_message_new ();
793 lo_message_add_int64 (reply, pos);
795 lo_send_message (lo_message_get_source (msg), "/ardour/transport_frame", reply);
797 lo_message_free (reply);
801 OSC::route_mute (int rid, int yn)
803 if (!session) return -1;
805 boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
808 r->set_mute (yn, this);
815 OSC::route_solo (int rid, int yn)
817 if (!session) return -1;
819 boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
822 boost::shared_ptr<RouteList> rl (new RouteList);
824 session->set_solo (rl, yn);
831 OSC::route_recenable (int rid, int yn)
833 if (!session) return -1;
835 boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
838 r->set_record_enabled (yn, this);
845 OSC::route_set_gain_abs (int rid, float level)
847 if (!session) return -1;
849 boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
852 r->set_gain (level, this);
859 OSC::route_set_gain_dB (int rid, float dB)
861 return route_set_gain_abs (rid, dB_to_coefficient (dB));
866 OSC::route_set_trim_abs (int rid, float level)
868 if (!session) return -1;
870 boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
873 r->set_trim (level, this);
880 OSC::route_set_trim_dB (int rid, float dB)
882 return route_set_trim_abs(rid, dB_to_coefficient (dB));
887 OSC::route_set_pan_stereo_position (int rid, float pos)
889 if (!session) return -1;
891 boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
894 boost::shared_ptr<Panner> panner = r->panner();
896 panner->set_position (pos);
905 OSC::route_set_pan_stereo_width (int rid, float pos)
907 if (!session) return -1;
909 boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
912 boost::shared_ptr<Panner> panner = r->panner();
914 panner->set_width (pos);
923 OSC::route_set_send_gain_abs (int rid, int sid, float val)
929 boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
935 /* revert to zero-based counting */
941 boost::shared_ptr<Processor> p = r->nth_send (sid);
944 boost::shared_ptr<Send> s = boost::dynamic_pointer_cast<Send>(p);
945 boost::shared_ptr<Amp> a = s->amp();
948 a->set_gain (val, this);
955 OSC::route_set_send_gain_dB (int rid, int sid, float val)
961 boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
967 /* revert to zero-based counting */
973 boost::shared_ptr<Processor> p = r->nth_send (sid);
976 boost::shared_ptr<Send> s = boost::dynamic_pointer_cast<Send>(p);
977 boost::shared_ptr<Amp> a = s->amp();
980 a->set_gain (dB_to_coefficient (val), this);
987 OSC::route_plugin_parameter (int rid, int piid, int par, float val)
992 boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
995 PBD::error << "OSC: Invalid Remote Control ID '" << rid << "'" << endmsg;
999 boost::shared_ptr<Processor> redi=r->nth_plugin (piid);
1002 PBD::error << "OSC: cannot find plugin # " << piid << " for RID '" << rid << "'" << endmsg;
1006 boost::shared_ptr<PluginInsert> pi;
1008 if (!(pi = boost::dynamic_pointer_cast<PluginInsert>(redi))) {
1009 PBD::error << "OSC: given processor # " << piid << " on RID '" << rid << "' is not a Plugin." << endmsg;
1013 boost::shared_ptr<ARDOUR::Plugin> pip = pi->plugin();
1016 uint32_t controlid = pip->nth_parameter (par,ok);
1019 PBD::error << "OSC: Cannot find parameter # " << par << " for plugin # " << piid << " on RID '" << rid << "'" << endmsg;
1023 if (!pip->parameter_is_input(controlid)) {
1024 PBD::error << "OSC: Parameter # " << par << " for plugin # " << piid << " on RID '" << rid << "' is not a control input" << endmsg;
1028 ParameterDescriptor pd;
1029 pi->plugin()->get_parameter_descriptor (controlid,pd);
1031 if (val >= pd.lower && val < pd.upper) {
1033 boost::shared_ptr<AutomationControl> c = pi->automation_control (Evoral::Parameter(PluginAutomation, 0, controlid));
1034 // cerr << "parameter:" << redi->describe_parameter(controlid) << " val:" << val << "\n";
1037 PBD::warning << "OSC: Parameter # " << par << " for plugin # " << piid << " on RID '" << rid << "' is out of range" << endmsg;
1038 PBD::info << "OSC: Valid range min=" << pd.lower << " max=" << pd.upper << endmsg;
1045 OSC::route_plugin_parameter_print (int rid, int piid, int par)
1051 boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
1057 boost::shared_ptr<Processor> redi=r->nth_processor (piid);
1063 boost::shared_ptr<PluginInsert> pi;
1065 if (!(pi = boost::dynamic_pointer_cast<PluginInsert>(redi))) {
1069 boost::shared_ptr<ARDOUR::Plugin> pip = pi->plugin();
1072 uint32_t controlid = pip->nth_parameter (par,ok);
1078 ParameterDescriptor pd;
1080 if (pi->plugin()->get_parameter_descriptor (controlid, pd) == 0) {
1081 boost::shared_ptr<AutomationControl> c = pi->automation_control (Evoral::Parameter(PluginAutomation, 0, controlid));
1083 cerr << "parameter: " << redi->describe_parameter(controlid) << "\n";
1084 cerr << "current value: " << c->get_value ();
1085 cerr << "lower value: " << pd.lower << "\n";
1086 cerr << "upper value: " << pd.upper << "\n";
1095 return ControlProtocol::get_state();
1099 OSC::set_state (const XMLNode& node, int version)
1101 if (ControlProtocol::set_state (node, version)) {