libs/surfaces/osc/osc.cc

   1 /*
   2  * Copyright (C) 2006 Paul Davis
   3  *
   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.
   8  *
   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.
  13  *
  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.
  17  *
  18  */
  19
  20 #include <cstdio>
  21 #include <cstdlib>
  22 #include <cerrno>
  23 #include <algorithm>
  24
  25 #include <unistd.h>
  26 #include <fcntl.h>
  27
  28 #include "pbd/gstdio_compat.h"
  29 #include <glibmm/miscutils.h>
  30
  31 #include <pbd/convert.h>
  32 #include <pbd/pthread_utils.h>
  33 #include <pbd/file_utils.h>
  34 #include <pbd/failed_constructor.h>
  35
  36 #include "ardour/amp.h"
  37 #include "ardour/session.h"
  38 #include "ardour/route.h"
  39 #include "ardour/audio_track.h"
  40 #include "ardour/midi_track.h"
  41 #include "ardour/dB.h"
  42 #include "ardour/filesystem_paths.h"
  43 #include "ardour/panner.h"
  44 #include "ardour/plugin.h"
  45 #include "ardour/plugin_insert.h"
  46 #include "ardour/send.h"
  47
  48 #include "osc.h"
  49 #include "osc_controllable.h"
  50 #include "osc_route_observer.h"
  51 #include "i18n.h"
  52
  53 using namespace ARDOUR;
  54 using namespace std;
  55 using namespace Glib;
  56 using namespace ArdourSurface;
  57
  58 #include "pbd/abstract_ui.cc" // instantiate template
  59
  60 OSC* OSC::_instance = 0;
  61
  62 #ifdef DEBUG
  63 static void error_callback(int num, const char *m, const char *path)
  64 {
  65         fprintf(stderr, "liblo server error %d in path %s: %s\n", num, path, m);
  66 }
  67 #else
  68 static void error_callback(int, const char *, const char *)
  69 {
  70
  71 }
  72 #endif
  73
  74 OSC::OSC (Session& s, uint32_t port)
  75         : ControlProtocol (s, X_("Open Sound Control (OSC)"))
  76         , AbstractUI<OSCUIRequest> ("osc")
  77         , local_server (0)
  78         , remote_server (0)
  79         , _port(port)
  80         , _ok (true)
  81         , _shutdown (false)
  82         , _osc_server (0)
  83         , _osc_unix_server (0)
  84         , _namespace_root ("/ardour")
  85         , _send_route_changes (true)
  86 {
  87         _instance = this;
  88
  89         session_loaded (s);
  90         session->Exported.connect (*this, MISSING_INVALIDATOR, boost::bind (&OSC::session_exported, this, _1, _2), this);
  91 }
  92
  93 OSC::~OSC()
  94 {
  95         stop ();
  96         _instance = 0;
  97 }
  98
  99 void
 100 OSC::do_request (OSCUIRequest* req)
 101 {
 102         if (req->type == CallSlot) {
 103
 104                 call_slot (MISSING_INVALIDATOR, req->the_slot);
 105
 106         } else if (req->type == Quit) {
 107
 108                 stop ();
 109         }
 110 }
 111
 112 int
 113 OSC::set_active (bool yn)
 114 {
 115         if (yn != active()) {
 116
 117                 if (yn) {
 118                         if (start ()) {
 119                                 return -1;
 120                         }
 121                 } else {
 122                         if (stop ()) {
 123                                 return -1;
 124                         }
 125                 }
 126
 127         }
 128
 129         return ControlProtocol::set_active (yn);
 130 }
 131
 132 bool
 133 OSC::get_active () const
 134 {
 135         return _osc_server != 0;
 136 }
 137
 138 int
 139 OSC::set_feedback (bool yn)
 140 {
 141         _send_route_changes = yn;
 142         return 0;
 143 }
 144
 145 bool
 146 OSC::get_feedback () const
 147 {
 148         return _send_route_changes;
 149 }
 150
 151 int
 152 OSC::start ()
 153 {
 154         char tmpstr[255];
 155
 156         if (_osc_server) {
 157                 /* already started */
 158                 return 0;
 159         }
 160
 161         for (int j=0; j < 20; ++j) {
 162                 snprintf(tmpstr, sizeof(tmpstr), "%d", _port);
 163
 164                 //if ((_osc_server = lo_server_new_with_proto (tmpstr, LO_TCP, error_callback))) {
 165                 //      break;
 166                 //}
 167
 168                 if ((_osc_server = lo_server_new (tmpstr, error_callback))) {
 169                         break;
 170                 }
 171
 172 #ifdef DEBUG
 173                 cerr << "can't get osc at port: " << _port << endl;
 174 #endif
 175                 _port++;
 176                 continue;
 177         }
 178
 179         if (!_osc_server) {
 180                 return 1;
 181         }
 182
 183 #ifdef ARDOUR_OSC_UNIX_SERVER
 184
 185         // APPEARS sluggish for now
 186
 187         // attempt to create unix socket server too
 188
 189         snprintf(tmpstr, sizeof(tmpstr), "/tmp/sooperlooper_XXXXXX");
 190         int fd = mkstemp(tmpstr);
 191
 192         if (fd >= 0 ) {
 193                 ::g_unlink (tmpstr);
 194                 close (fd);
 195
 196                 _osc_unix_server = lo_server_new (tmpstr, error_callback);
 197
 198                 if (_osc_unix_server) {
 199                         _osc_unix_socket_path = tmpstr;
 200                 }
 201         }
 202 #endif
 203
 204         PBD::info << "OSC @ " << get_server_url () << endmsg;
 205
 206         std::string url_file;
 207
 208         if (find_file (ardour_config_search_path(), "osc_url", url_file)) {
 209                 _osc_url_file = url_file;
 210                 if (g_file_set_contents (_osc_url_file.c_str(), get_server_url().c_str(), -1, NULL)) {
 211                         cerr << "Couldn't write '" <<  _osc_url_file << "'" <<endl;
 212                 }
 213         }
 214
 215         register_callbacks();
 216
 217         // lo_server_thread_add_method(_sthread, NULL, NULL, OSC::_dummy_handler, this);
 218
 219         /* startup the event loop thread */
 220
 221         BaseUI::run ();
 222
 223         return 0;
 224 }
 225
 226 void
 227 OSC::thread_init ()
 228 {
 229         pthread_set_name (X_("OSC"));
 230
 231         if (_osc_unix_server) {
 232                 Glib::RefPtr<IOSource> src = IOSource::create (lo_server_get_socket_fd (_osc_unix_server), IO_IN|IO_HUP|IO_ERR);
 233                 src->connect (sigc::bind (sigc::mem_fun (*this, &OSC::osc_input_handler), _osc_unix_server));
 234                 src->attach (_main_loop->get_context());
 235                 local_server = src->gobj();
 236                 g_source_ref (local_server);
 237         }
 238
 239         if (_osc_server) {
 240                 Glib::RefPtr<IOSource> src  = IOSource::create (lo_server_get_socket_fd (_osc_server), IO_IN|IO_HUP|IO_ERR);
 241                 src->connect (sigc::bind (sigc::mem_fun (*this, &OSC::osc_input_handler), _osc_server));
 242                 src->attach (_main_loop->get_context());
 243                 remote_server = src->gobj();
 244                 g_source_ref (remote_server);
 245         }
 246
 247         PBD::notify_gui_about_thread_creation (X_("gui"), pthread_self(), X_("OSC"), 2048);
 248         SessionEvent::create_per_thread_pool (X_("OSC"), 128);
 249 }
 250
 251 int
 252 OSC::stop ()
 253 {
 254         /* stop main loop */
 255
 256         if (local_server) {
 257                 g_source_destroy (local_server);
 258                 g_source_unref (local_server);
 259                 local_server = 0;
 260         }
 261
 262         if (remote_server) {
 263                 g_source_destroy (remote_server);
 264                 g_source_unref (remote_server);
 265                 remote_server = 0;
 266         }
 267
 268         BaseUI::quit ();
 269
 270         if (_osc_server) {
 271                 lo_server_free (_osc_server);
 272                 _osc_server = 0;
 273         }
 274
 275         if (_osc_unix_server) {
 276                 lo_server_free (_osc_unix_server);
 277                 _osc_unix_server = 0;
 278         }
 279
 280         if (!_osc_unix_socket_path.empty()) {
 281                 ::g_unlink (_osc_unix_socket_path.c_str());
 282         }
 283
 284         if (!_osc_url_file.empty() ) {
 285                 ::g_unlink (_osc_url_file.c_str() );
 286         }
 287
 288         // Delete any active route observers
 289         for (RouteObservers::iterator x = route_observers.begin(); x != route_observers.end();) {
 290
 291                 OSCRouteObserver* rc;
 292
 293                 if ((rc = dynamic_cast<OSCRouteObserver*>(*x)) != 0) {
 294                         delete *x;
 295                         x = route_observers.erase (x);
 296                 } else {
 297                         ++x;
 298                 }
 299         }
 300
 301         return 0;
 302 }
 303
 304 void
 305 OSC::register_callbacks()
 306 {
 307         lo_server srvs[2];
 308         lo_server serv;
 309
 310         srvs[0] = _osc_server;
 311         srvs[1] = _osc_unix_server;
 312
 313         for (size_t i = 0; i < 2; ++i) {
 314
 315                 if (!srvs[i]) {
 316                         continue;
 317                 }
 318
 319                 serv = srvs[i];
 320
 321                 /* this is a special catchall handler */
 322
 323                 lo_server_add_method (serv, 0, 0, _catchall, this);
 324
 325 #define REGISTER_CALLBACK(serv,path,types, function) lo_server_add_method (serv, path, types, OSC::_ ## function, this)
 326
 327                 REGISTER_CALLBACK (serv, "/routes/list", "", routes_list);
 328                 REGISTER_CALLBACK (serv, "/ardour/add_marker", "", add_marker);
 329                 REGISTER_CALLBACK (serv, "/ardour/access_action", "s", access_action);
 330                 REGISTER_CALLBACK (serv, "/ardour/loop_toggle", "", loop_toggle);
 331                 REGISTER_CALLBACK (serv, "/ardour/loop_location", "ii", loop_location);
 332                 REGISTER_CALLBACK (serv, "/ardour/goto_start", "", goto_start);
 333                 REGISTER_CALLBACK (serv, "/ardour/goto_end", "", goto_end);
 334                 REGISTER_CALLBACK (serv, "/ardour/rewind", "", rewind);
 335                 REGISTER_CALLBACK (serv, "/ardour/ffwd", "", ffwd);
 336                 REGISTER_CALLBACK (serv, "/ardour/transport_stop", "", transport_stop);
 337                 REGISTER_CALLBACK (serv, "/ardour/transport_play", "", transport_play);
 338                 REGISTER_CALLBACK (serv, "/ardour/transport_frame", "", transport_frame);
 339                 REGISTER_CALLBACK (serv, "/ardour/transport_speed", "", transport_speed);
 340                 REGISTER_CALLBACK (serv, "/ardour/record_enabled", "", record_enabled);
 341                 REGISTER_CALLBACK (serv, "/ardour/set_transport_speed", "f", set_transport_speed);
 342
 343                 REGISTER_CALLBACK (serv, "/ardour/locate", "ii", locate);
 344                 REGISTER_CALLBACK (serv, "/ardour/save_state", "", save_state);
 345                 REGISTER_CALLBACK (serv, "/ardour/prev_marker", "", prev_marker);
 346                 REGISTER_CALLBACK (serv, "/ardour/next_marker", "", next_marker);
 347                 REGISTER_CALLBACK (serv, "/ardour/undo", "", undo);
 348                 REGISTER_CALLBACK (serv, "/ardour/redo", "", redo);
 349                 REGISTER_CALLBACK (serv, "/ardour/toggle_punch_in", "", toggle_punch_in);
 350                 REGISTER_CALLBACK (serv, "/ardour/toggle_punch_out", "", toggle_punch_out);
 351                 REGISTER_CALLBACK (serv, "/ardour/rec_enable_toggle", "", rec_enable_toggle);
 352                 REGISTER_CALLBACK (serv, "/ardour/toggle_all_rec_enables", "", toggle_all_rec_enables);
 353
 354                 REGISTER_CALLBACK (serv, "/ardour/routes/mute", "ii", route_mute);
 355                 REGISTER_CALLBACK (serv, "/ardour/routes/solo", "ii", route_solo);
 356                 REGISTER_CALLBACK (serv, "/ardour/routes/recenable", "ii", route_recenable);
 357                 REGISTER_CALLBACK (serv, "/ardour/routes/gainabs", "if", route_set_gain_abs);
 358                 REGISTER_CALLBACK (serv, "/ardour/routes/gaindB", "if", route_set_gain_dB);
 359                 REGISTER_CALLBACK (serv, "/ardour/routes/trimabs", "if", route_set_trim_abs);
 360                 REGISTER_CALLBACK (serv, "/ardour/routes/trimdB", "if", route_set_trim_dB);
 361                 REGISTER_CALLBACK (serv, "/ardour/routes/pan_stereo_position", "if", route_set_pan_stereo_position);
 362                 REGISTER_CALLBACK (serv, "/ardour/routes/pan_stereo_width", "if", route_set_pan_stereo_width);
 363                 REGISTER_CALLBACK (serv, "/ardour/routes/plugin/parameter", "iiif", route_plugin_parameter);
 364                 REGISTER_CALLBACK (serv, "/ardour/routes/plugin/parameter/print", "iii", route_plugin_parameter_print);
 365                 REGISTER_CALLBACK (serv, "/ardour/routes/send/gainabs", "iif", route_set_send_gain_abs);
 366                 REGISTER_CALLBACK (serv, "/ardour/routes/send/gaindB", "iif", route_set_send_gain_dB);
 367
 368                 /* still not-really-standardized query interface */
 369                 //REGISTER_CALLBACK (serv, "/ardour/*/#current_value", "", current_value);
 370                 //REGISTER_CALLBACK (serv, "/ardour/set", "", set);
 371
 372                 // un/register_update args= s:ctrl s:returl s:retpath
 373                 //lo_server_add_method(serv, "/register_update", "sss", OSC::global_register_update_handler, this);
 374                 //lo_server_add_method(serv, "/unregister_update", "sss", OSC::global_unregister_update_handler, this);
 375                 //lo_server_add_method(serv, "/register_auto_update", "siss", OSC::global_register_auto_update_handler, this);
 376                 //lo_server_add_method(serv, "/unregister_auto_update", "sss", OSC::_global_unregister_auto_update_handler, this);
 377
 378         }
 379 }
 380
 381 bool
 382 OSC::osc_input_handler (IOCondition ioc, lo_server srv)
 383 {
 384         if (ioc & ~IO_IN) {
 385                 return false;
 386         }
 387
 388         if (ioc & IO_IN) {
 389                 lo_server_recv (srv);
 390         }
 391
 392         return true;
 393 }
 394
 395 std::string
 396 OSC::get_server_url()
 397 {
 398         string url;
 399         char * urlstr;
 400
 401         if (_osc_server) {
 402                 urlstr = lo_server_get_url (_osc_server);
 403                 url = urlstr;
 404                 free (urlstr);
 405         }
 406
 407         return url;
 408 }
 409
 410 std::string
 411 OSC::get_unix_server_url()
 412 {
 413         string url;
 414         char * urlstr;
 415
 416         if (_osc_unix_server) {
 417                 urlstr = lo_server_get_url (_osc_unix_server);
 418                 url = urlstr;
 419                 free (urlstr);
 420         }
 421
 422         return url;
 423 }
 424
 425 void
 426 OSC::listen_to_route (boost::shared_ptr<Route> route, lo_address addr)
 427 {
 428         /* avoid duplicate listens */
 429
 430         for (RouteObservers::iterator x = route_observers.begin(); x != route_observers.end(); ++x) {
 431
 432                 OSCRouteObserver* ro;
 433
 434                 if ((ro = dynamic_cast<OSCRouteObserver*>(*x)) != 0) {
 435
 436                         int res = strcmp(lo_address_get_hostname(ro->address()), lo_address_get_hostname(addr));
 437
 438                         if (ro->route() == route && res == 0) {
 439                                 return;
 440                         }
 441                 }
 442         }
 443
 444         OSCRouteObserver* o = new OSCRouteObserver (route, addr);
 445         route_observers.push_back (o);
 446
 447         route->DropReferences.connect (*this, MISSING_INVALIDATOR, boost::bind (&OSC::drop_route, this, boost::weak_ptr<Route> (route)), this);
 448 }
 449
 450 void
 451 OSC::drop_route (boost::weak_ptr<Route> wr)
 452 {
 453         boost::shared_ptr<Route> r = wr.lock ();
 454
 455         if (!r) {
 456                 return;
 457         }
 458
 459         for (RouteObservers::iterator x = route_observers.begin(); x != route_observers.end();) {
 460
 461                 OSCRouteObserver* rc;
 462
 463                 if ((rc = dynamic_cast<OSCRouteObserver*>(*x)) != 0) {
 464
 465                         if (rc->route() == r) {
 466                                 delete *x;
 467                                 x = route_observers.erase (x);
 468                         } else {
 469                                 ++x;
 470                         }
 471                 } else {
 472                         ++x;
 473                 }
 474         }
 475 }
 476
 477 void
 478 OSC::end_listen (boost::shared_ptr<Route> r, lo_address addr)
 479 {
 480         RouteObservers::iterator x;
 481
 482         // Remove the route observers
 483         for (x = route_observers.begin(); x != route_observers.end();) {
 484
 485                 OSCRouteObserver* ro;
 486
 487                 if ((ro = dynamic_cast<OSCRouteObserver*>(*x)) != 0) {
 488
 489                         int res = strcmp(lo_address_get_hostname(ro->address()), lo_address_get_hostname(addr));
 490
 491                         if (ro->route() == r && res == 0) {
 492                                 delete *x;
 493                                 x = route_observers.erase (x);
 494                         }
 495                         else {
 496                                 ++x;
 497                         }
 498                 }
 499                 else {
 500                         ++x;
 501                 }
 502         }
 503 }
 504
 505 void
 506 OSC::current_value_query (const char* path, size_t len, lo_arg **argv, int argc, lo_message msg)
 507 {
 508         char* subpath;
 509
 510         subpath = (char*) malloc (len-15+1);
 511         memcpy (subpath, path, len-15);
 512         subpath[len-15] = '\0';
 513
 514         send_current_value (subpath, argv, argc, msg);
 515
 516         free (subpath);
 517 }
 518
 519 void
 520 OSC::send_current_value (const char* path, lo_arg** argv, int argc, lo_message msg)
 521 {
 522         if (!session) {
 523                 return;
 524         }
 525
 526         lo_message reply = lo_message_new ();
 527         boost::shared_ptr<Route> r;
 528         int id;
 529
 530         lo_message_add_string (reply, path);
 531
 532         if (argc == 0) {
 533                 lo_message_add_string (reply, "bad syntax");
 534         } else {
 535                 id = argv[0]->i;
 536                 r = session->route_by_remote_id (id);
 537
 538                 if (!r) {
 539                         lo_message_add_string (reply, "not found");
 540                 } else {
 541
 542                         if (strcmp (path, "/routes/state") == 0) {
 543
 544                                 if (boost::dynamic_pointer_cast<AudioTrack>(r)) {
 545                                         lo_message_add_string (reply, "AT");
 546                                 } else if (boost::dynamic_pointer_cast<MidiTrack>(r)) {
 547                                         lo_message_add_string (reply, "MT");
 548                                 } else {
 549                                         lo_message_add_string (reply, "B");
 550                                 }
 551
 552                                 lo_message_add_string (reply, r->name().c_str());
 553                                 lo_message_add_int32 (reply, r->n_inputs().n_audio());
 554                                 lo_message_add_int32 (reply, r->n_outputs().n_audio());
 555                                 lo_message_add_int32 (reply, r->muted());
 556                                 lo_message_add_int32 (reply, r->soloed());
 557
 558                         } else if (strcmp (path, "/routes/mute") == 0) {
 559
 560                                 lo_message_add_int32 (reply, (float) r->muted());
 561
 562                         } else if (strcmp (path, "/routes/solo") == 0) {
 563
 564                                 lo_message_add_int32 (reply, r->soloed());
 565                         }
 566                 }
 567         }
 568
 569         lo_send_message (lo_message_get_source (msg), "#reply", reply);
 570         lo_message_free (reply);
 571 }
 572
 573 int
 574 OSC::_catchall (const char *path, const char *types, lo_arg **argv, int argc, void *data, void *user_data)
 575 {
 576         return ((OSC*)user_data)->catchall (path, types, argv, argc, data);
 577 }
 578
 579 int
 580 OSC::catchall (const char *path, const char* /*types*/, lo_arg **argv, int argc, lo_message msg)
 581 {
 582         size_t len;
 583         int ret = 1; /* unhandled */
 584
 585         //cerr << "Received a message, path = " << path << " types = \""
 586         //     << (types ? types : "NULL") << '"' << endl;
 587
 588         /* 15 for /#current_value plus 2 for /<path> */
 589
 590         len = strlen (path);
 591
 592         if (len >= 17 && !strcmp (&path[len-15], "/#current_value")) {
 593                 current_value_query (path, len, argv, argc, msg);
 594                 ret = 0;
 595
 596         } else if (strcmp (path, "/routes/listen") == 0) {
 597
 598                 cerr << "set up listener\n";
 599
 600                 lo_message reply = lo_message_new ();
 601
 602                 if (argc <= 0) {
 603                         lo_message_add_string (reply, "syntax error");
 604                 } else {
 605                         for (int n = 0; n < argc; ++n) {
 606
 607                                 boost::shared_ptr<Route> r = session->route_by_remote_id (argv[n]->i);
 608
 609                                 if (!r) {
 610                                         lo_message_add_string (reply, "not found");
 611                                         cerr << "no such route\n";
 612                                         break;
 613                                 } else {
 614                                         cerr << "add listener\n";
 615                                         listen_to_route (r, lo_message_get_source (msg));
 616                                         lo_message_add_int32 (reply, argv[n]->i);
 617                                 }
 618                         }
 619                 }
 620
 621                 lo_send_message (lo_message_get_source (msg), "#reply", reply);
 622                 lo_message_free (reply);
 623
 624                 ret = 0;
 625
 626         } else if (strcmp (path, "/routes/ignore") == 0) {
 627
 628                 for (int n = 0; n < argc; ++n) {
 629
 630                         boost::shared_ptr<Route> r = session->route_by_remote_id (argv[n]->i);
 631
 632                         if (r) {
 633                                 end_listen (r, lo_message_get_source (msg));
 634                         }
 635                 }
 636
 637                 ret = 0;
 638         }
 639
 640         return ret;
 641 }
 642
 643 void
 644 OSC::update_clock ()
 645 {
 646
 647 }
 648
 649 // "Application Hook" Handlers //
 650 void
 651 OSC::session_loaded (Session& s)
 652 {
 653         lo_address listener = lo_address_new (NULL, "7770");
 654         lo_send (listener, "/session/loaded", "ss", s.path().c_str(), s.name().c_str());
 655 }
 656
 657 void
 658 OSC::session_exported (std::string path, std::string name)
 659 {
 660         lo_address listener = lo_address_new (NULL, "7770");
 661         lo_send (listener, "/session/exported", "ss", path.c_str(), name.c_str());
 662 }
 663
 664 // end "Application Hook" Handlers //
 665
 666 /* path callbacks */
 667
 668 int
 669 OSC::current_value (const char */*path*/, const char */*types*/, lo_arg **/*argv*/, int /*argc*/, void */*data*/, void* /*user_data*/)
 670 {
 671 #if 0
 672         const char* returl;
 673
 674         if (argc < 3 || types == 0 || strlen (types) < 3 || types[0] != 's' || types[1] != 's' || types[2] != s) {
 675                 return 1;
 676         }
 677
 678         const char *returl = argv[1]->s;
 679         lo_address addr = find_or_cache_addr (returl);
 680
 681         const char *retpath = argv[2]->s;
 682
 683
 684         if (strcmp (argv[0]->s, "transport_frame") == 0) {
 685
 686                 if (session) {
 687                         lo_send (addr, retpath, "i", session->transport_frame());
 688                 }
 689
 690         } else if (strcmp (argv[0]->s, "transport_speed") == 0) {
 691
 692                 if (session) {
 693                         lo_send (addr, retpath, "i", session->transport_frame());
 694                 }
 695
 696         } else if (strcmp (argv[0]->s, "transport_locked") == 0) {
 697
 698                 if (session) {
 699                         lo_send (addr, retpath, "i", session->transport_frame());
 700                 }
 701
 702         } else if (strcmp (argv[0]->s, "punch_in") == 0) {
 703
 704                 if (session) {
 705                         lo_send (addr, retpath, "i", session->transport_frame());
 706                 }
 707
 708         } else if (strcmp (argv[0]->s, "punch_out") == 0) {
 709
 710                 if (session) {
 711                         lo_send (addr, retpath, "i", session->transport_frame());
 712                 }
 713
 714         } else if (strcmp (argv[0]->s, "rec_enable") == 0) {
 715
 716                 if (session) {
 717                         lo_send (addr, retpath, "i", session->transport_frame());
 718                 }
 719
 720         } else {
 721
 722                 /* error */
 723         }
 724 #endif
 725         return 0;
 726 }
 727
 728 void
 729 OSC::routes_list (lo_message msg)
 730 {
 731         for (int n = 0; n < (int) session->nroutes(); ++n) {
 732
 733                 boost::shared_ptr<Route> r = session->route_by_remote_id (n);
 734
 735                 if (r) {
 736
 737                         lo_message reply = lo_message_new ();
 738
 739                         if (boost::dynamic_pointer_cast<AudioTrack>(r)) {
 740                                 lo_message_add_string (reply, "AT");
 741                         } else if (boost::dynamic_pointer_cast<MidiTrack>(r)) {
 742                                 lo_message_add_string (reply, "MT");
 743                         } else {
 744                                 lo_message_add_string (reply, "B");
 745                         }
 746
 747                         lo_message_add_string (reply, r->name().c_str());
 748                         lo_message_add_int32 (reply, r->n_inputs().n_audio());
 749                         lo_message_add_int32 (reply, r->n_outputs().n_audio());
 750                         lo_message_add_int32 (reply, r->muted());
 751                         lo_message_add_int32 (reply, r->soloed());
 752                         lo_message_add_int32 (reply, r->remote_control_id());
 753
 754                         if (boost::dynamic_pointer_cast<AudioTrack>(r)
 755                                         || boost::dynamic_pointer_cast<MidiTrack>(r)) {
 756
 757                                 boost::shared_ptr<Track> t = boost::dynamic_pointer_cast<Track>(r);
 758                                 lo_message_add_int32 (reply, t->record_enabled());
 759                         }
 760
 761                         //Automatically listen to routes listed
 762                         listen_to_route(r, lo_message_get_source (msg));
 763
 764                         lo_send_message (lo_message_get_source (msg), "#reply", reply);
 765                         lo_message_free (reply);
 766                 }
 767         }
 768
 769         // Send end of listing message
 770         lo_message reply = lo_message_new ();
 771
 772         lo_message_add_string (reply, "end_route_list");
 773         lo_message_add_int64 (reply, session->frame_rate());
 774         lo_message_add_int64 (reply, session->current_end_frame());
 775
 776         lo_send_message (lo_message_get_source (msg), "#reply", reply);
 777
 778         lo_message_free (reply);
 779 }
 780
 781 void
 782 OSC::transport_frame (lo_message msg)
 783 {
 784         framepos_t pos = session->transport_frame ();
 785
 786         lo_message reply = lo_message_new ();
 787         lo_message_add_int64 (reply, pos);
 788
 789         lo_send_message (lo_message_get_source (msg), "/ardour/transport_frame", reply);
 790
 791         lo_message_free (reply);
 792 }
 793
 794 void
 795 OSC::transport_speed(lo_message msg)
 796 {
 797         double ts = session->transport_speed ();
 798
 799         lo_message reply = lo_message_new ();
 800         lo_message_add_double (reply, ts);
 801
 802         lo_send_message (lo_message_get_source (msg), "/ardour/transport_speed", reply);
 803
 804         lo_message_free (reply);
 805 }
 806
 807 void
 808 OSC::record_enabled(lo_message msg)
 809 {
 810         int re = (int)session->get_record_enabled ();
 811
 812         lo_message reply = lo_message_new ();
 813         lo_message_add_int32 (reply, re);
 814
 815         lo_send_message (lo_message_get_source (msg), "/ardour/record_enabled", reply);
 816
 817         lo_message_free (reply);
 818 }
 819
 820
 821 int
 822 OSC::route_mute (int rid, int yn)
 823 {
 824         if (!session) return -1;
 825
 826         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
 827
 828         if (r) {
 829                 r->set_mute (yn, this);
 830         }
 831
 832         return 0;
 833 }
 834
 835 int
 836 OSC::route_solo (int rid, int yn)
 837 {
 838         if (!session) return -1;
 839
 840         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
 841
 842         if (r) {
 843                 boost::shared_ptr<RouteList> rl (new RouteList);
 844                 rl->push_back (r);
 845                 session->set_solo (rl, yn);
 846         }
 847
 848         return 0;
 849 }
 850
 851 int
 852 OSC::route_recenable (int rid, int yn)
 853 {
 854         if (!session) return -1;
 855
 856         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
 857
 858         if (r) {
 859                 r->set_record_enabled (yn, this);
 860         }
 861
 862         return 0;
 863 }
 864
 865 int
 866 OSC::route_set_gain_abs (int rid, float level)
 867 {
 868         if (!session) return -1;
 869
 870         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
 871
 872         if (r) {
 873                 r->set_gain (level, this);
 874         }
 875
 876         return 0;
 877 }
 878
 879 int
 880 OSC::route_set_gain_dB (int rid, float dB)
 881 {
 882         return route_set_gain_abs (rid, dB_to_coefficient (dB));
 883 }
 884
 885
 886 int
 887 OSC::route_set_trim_abs (int rid, float level)
 888 {
 889         if (!session) return -1;
 890
 891         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
 892
 893         if (r) {
 894                 r->set_trim (level, this);
 895         }
 896
 897         return 0;
 898 }
 899
 900 int
 901 OSC::route_set_trim_dB (int rid, float dB)
 902 {
 903         return route_set_trim_abs(rid, dB_to_coefficient (dB));
 904 }
 905
 906
 907 int
 908 OSC::route_set_pan_stereo_position (int rid, float pos)
 909 {
 910         if (!session) return -1;
 911
 912         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
 913
 914         if (r) {
 915                 boost::shared_ptr<Panner> panner = r->panner();
 916                 if (panner) {
 917                         panner->set_position (pos);
 918                 }
 919         }
 920
 921         return 0;
 922
 923 }
 924
 925 int
 926 OSC::route_set_pan_stereo_width (int rid, float pos)
 927 {
 928         if (!session) return -1;
 929
 930         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
 931
 932         if (r) {
 933                 boost::shared_ptr<Panner> panner = r->panner();
 934                 if (panner) {
 935                         panner->set_width (pos);
 936                 }
 937         }
 938
 939         return 0;
 940
 941 }
 942
 943 int
 944 OSC::route_set_send_gain_abs (int rid, int sid, float val)
 945 {
 946         if (!session) {
 947                 return -1;
 948         }
 949
 950         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
 951
 952         if (!r) {
 953                 return -1;
 954         }
 955
 956         /* revert to zero-based counting */
 957
 958         if (sid > 0) {
 959                 --sid;
 960         }
 961
 962         boost::shared_ptr<Processor> p = r->nth_send (sid);
 963
 964         if (p) {
 965                 boost::shared_ptr<Send> s = boost::dynamic_pointer_cast<Send>(p);
 966                 boost::shared_ptr<Amp> a = s->amp();
 967
 968                 if (a) {
 969                         a->set_gain (val, this);
 970                 }
 971         }
 972         return 0;
 973 }
 974
 975 int
 976 OSC::route_set_send_gain_dB (int rid, int sid, float val)
 977 {
 978         if (!session) {
 979                 return -1;
 980         }
 981
 982         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
 983
 984         if (!r) {
 985                 return -1;
 986         }
 987
 988         /* revert to zero-based counting */
 989
 990         if (sid > 0) {
 991                 --sid;
 992         }
 993
 994         boost::shared_ptr<Processor> p = r->nth_send (sid);
 995
 996         if (p) {
 997                 boost::shared_ptr<Send> s = boost::dynamic_pointer_cast<Send>(p);
 998                 boost::shared_ptr<Amp> a = s->amp();
 999
1000                 if (a) {
1001                         a->set_gain (dB_to_coefficient (val), this);
1002                 }
1003         }
1004         return 0;
1005 }
1006
1007 int
1008 OSC::route_plugin_parameter (int rid, int piid, int par, float val)
1009 {
1010         if (!session)
1011                 return -1;
1012
1013         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
1014
1015         if (!r) {
1016                 PBD::error << "OSC: Invalid Remote Control ID '" << rid << "'" << endmsg;
1017                 return -1;
1018         }
1019
1020         boost::shared_ptr<Processor> redi=r->nth_plugin (piid);
1021
1022         if (!redi) {
1023                 PBD::error << "OSC: cannot find plugin # " << piid << " for RID '" << rid << "'" << endmsg;
1024                 return -1;
1025         }
1026
1027         boost::shared_ptr<PluginInsert> pi;
1028
1029         if (!(pi = boost::dynamic_pointer_cast<PluginInsert>(redi))) {
1030                 PBD::error << "OSC: given processor # " << piid << " on RID '" << rid << "' is not a Plugin." << endmsg;
1031                 return -1;
1032         }
1033
1034         boost::shared_ptr<ARDOUR::Plugin> pip = pi->plugin();
1035         bool ok=false;
1036
1037         uint32_t controlid = pip->nth_parameter (par,ok);
1038
1039         if (!ok) {
1040                 PBD::error << "OSC: Cannot find parameter # " << par <<  " for plugin # " << piid << " on RID '" << rid << "'" << endmsg;
1041                 return -1;
1042         }
1043
1044         if (!pip->parameter_is_input(controlid)) {
1045                 PBD::error << "OSC: Parameter # " << par <<  " for plugin # " << piid << " on RID '" << rid << "' is not a control input" << endmsg;
1046                 return -1;
1047         }
1048
1049         ParameterDescriptor pd;
1050         pi->plugin()->get_parameter_descriptor (controlid,pd);
1051
1052         if (val >= pd.lower && val < pd.upper) {
1053
1054                 boost::shared_ptr<AutomationControl> c = pi->automation_control (Evoral::Parameter(PluginAutomation, 0, controlid));
1055                 // cerr << "parameter:" << redi->describe_parameter(controlid) << " val:" << val << "\n";
1056                 c->set_value (val);
1057         } else {
1058                 PBD::warning << "OSC: Parameter # " << par <<  " for plugin # " << piid << " on RID '" << rid << "' is out of range" << endmsg;
1059                 PBD::info << "OSC: Valid range min=" << pd.lower << " max=" << pd.upper << endmsg;
1060         }
1061
1062         return 0;
1063 }
1064
1065 int
1066 OSC::route_plugin_parameter_print (int rid, int piid, int par)
1067 {
1068         if (!session) {
1069                 return -1;
1070         }
1071
1072         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
1073
1074         if (!r) {
1075                 return -1;
1076         }
1077
1078         boost::shared_ptr<Processor> redi=r->nth_processor (piid);
1079
1080         if (!redi) {
1081                 return -1;
1082         }
1083
1084         boost::shared_ptr<PluginInsert> pi;
1085
1086         if (!(pi = boost::dynamic_pointer_cast<PluginInsert>(redi))) {
1087                 return -1;
1088         }
1089
1090         boost::shared_ptr<ARDOUR::Plugin> pip = pi->plugin();
1091         bool ok=false;
1092
1093         uint32_t controlid = pip->nth_parameter (par,ok);
1094
1095         if (!ok) {
1096                 return -1;
1097         }
1098
1099         ParameterDescriptor pd;
1100
1101         if (pi->plugin()->get_parameter_descriptor (controlid, pd) == 0) {
1102                 boost::shared_ptr<AutomationControl> c = pi->automation_control (Evoral::Parameter(PluginAutomation, 0, controlid));
1103
1104                 cerr << "parameter:     " << redi->describe_parameter(controlid)  << "\n";
1105                 cerr << "current value: " << c->get_value ();
1106                 cerr << "lower value:   " << pd.lower << "\n";
1107                 cerr << "upper value:   " << pd.upper << "\n";
1108         }
1109
1110         return 0;
1111 }
1112
1113 XMLNode&
1114 OSC::get_state ()
1115 {
1116         return ControlProtocol::get_state();
1117 }
1118
1119 int
1120 OSC::set_state (const XMLNode& node, int version)
1121 {
1122         if (ControlProtocol::set_state (node, version)) {
1123                 return -1;
1124         }
1125
1126         return 0;
1127 }