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                 REGISTER_CALLBACK (serv, "/ardour/locate", "ii", locate);
 343                 REGISTER_CALLBACK (serv, "/ardour/save_state", "", save_state);
 344                 REGISTER_CALLBACK (serv, "/ardour/prev_marker", "", prev_marker);
 345                 REGISTER_CALLBACK (serv, "/ardour/next_marker", "", next_marker);
 346                 REGISTER_CALLBACK (serv, "/ardour/undo", "", undo);
 347                 REGISTER_CALLBACK (serv, "/ardour/redo", "", redo);
 348                 REGISTER_CALLBACK (serv, "/ardour/toggle_punch_in", "", toggle_punch_in);
 349                 REGISTER_CALLBACK (serv, "/ardour/toggle_punch_out", "", toggle_punch_out);
 350                 REGISTER_CALLBACK (serv, "/ardour/rec_enable_toggle", "", rec_enable_toggle);
 351                 REGISTER_CALLBACK (serv, "/ardour/toggle_all_rec_enables", "", toggle_all_rec_enables);
 352
 353                 REGISTER_CALLBACK (serv, "/ardour/routes/mute", "ii", route_mute);
 354                 REGISTER_CALLBACK (serv, "/ardour/routes/solo", "ii", route_solo);
 355                 REGISTER_CALLBACK (serv, "/ardour/routes/recenable", "ii", route_recenable);
 356                 REGISTER_CALLBACK (serv, "/ardour/routes/gainabs", "if", route_set_gain_abs);
 357                 REGISTER_CALLBACK (serv, "/ardour/routes/gaindB", "if", route_set_gain_dB);
 358                 REGISTER_CALLBACK (serv, "/ardour/routes/trimabs", "if", route_set_trim_abs);
 359                 REGISTER_CALLBACK (serv, "/ardour/routes/trimdB", "if", route_set_trim_dB);
 360                 REGISTER_CALLBACK (serv, "/ardour/routes/pan_stereo_position", "if", route_set_pan_stereo_position);
 361                 REGISTER_CALLBACK (serv, "/ardour/routes/pan_stereo_width", "if", route_set_pan_stereo_width);
 362                 REGISTER_CALLBACK (serv, "/ardour/routes/plugin/parameter", "iiif", route_plugin_parameter);
 363                 REGISTER_CALLBACK (serv, "/ardour/routes/plugin/parameter/print", "iii", route_plugin_parameter_print);
 364                 REGISTER_CALLBACK (serv, "/ardour/routes/send/gainabs", "iif", route_set_send_gain_abs);
 365                 REGISTER_CALLBACK (serv, "/ardour/routes/send/gaindB", "iif", route_set_send_gain_dB);
 366
 367                 /* still not-really-standardized query interface */
 368                 //REGISTER_CALLBACK (serv, "/ardour/*/#current_value", "", current_value);
 369                 //REGISTER_CALLBACK (serv, "/ardour/set", "", set);
 370
 371                 // un/register_update args= s:ctrl s:returl s:retpath
 372                 //lo_server_add_method(serv, "/register_update", "sss", OSC::global_register_update_handler, this);
 373                 //lo_server_add_method(serv, "/unregister_update", "sss", OSC::global_unregister_update_handler, this);
 374                 //lo_server_add_method(serv, "/register_auto_update", "siss", OSC::global_register_auto_update_handler, this);
 375                 //lo_server_add_method(serv, "/unregister_auto_update", "sss", OSC::_global_unregister_auto_update_handler, this);
 376
 377         }
 378 }
 379
 380 bool
 381 OSC::osc_input_handler (IOCondition ioc, lo_server srv)
 382 {
 383         if (ioc & ~IO_IN) {
 384                 return false;
 385         }
 386
 387         if (ioc & IO_IN) {
 388                 lo_server_recv (srv);
 389         }
 390
 391         return true;
 392 }
 393
 394 std::string
 395 OSC::get_server_url()
 396 {
 397         string url;
 398         char * urlstr;
 399
 400         if (_osc_server) {
 401                 urlstr = lo_server_get_url (_osc_server);
 402                 url = urlstr;
 403                 free (urlstr);
 404         }
 405
 406         return url;
 407 }
 408
 409 std::string
 410 OSC::get_unix_server_url()
 411 {
 412         string url;
 413         char * urlstr;
 414
 415         if (_osc_unix_server) {
 416                 urlstr = lo_server_get_url (_osc_unix_server);
 417                 url = urlstr;
 418                 free (urlstr);
 419         }
 420
 421         return url;
 422 }
 423
 424 void
 425 OSC::listen_to_route (boost::shared_ptr<Route> route, lo_address addr)
 426 {
 427         /* avoid duplicate listens */
 428
 429         for (RouteObservers::iterator x = route_observers.begin(); x != route_observers.end(); ++x) {
 430
 431                 OSCRouteObserver* ro;
 432
 433                 if ((ro = dynamic_cast<OSCRouteObserver*>(*x)) != 0) {
 434
 435                         int res = strcmp(lo_address_get_hostname(ro->address()), lo_address_get_hostname(addr));
 436
 437                         if (ro->route() == route && res == 0) {
 438                                 return;
 439                         }
 440                 }
 441         }
 442
 443         OSCRouteObserver* o = new OSCRouteObserver (route, addr);
 444         route_observers.push_back (o);
 445
 446         route->DropReferences.connect (*this, MISSING_INVALIDATOR, boost::bind (&OSC::drop_route, this, boost::weak_ptr<Route> (route)), this);
 447 }
 448
 449 void
 450 OSC::drop_route (boost::weak_ptr<Route> wr)
 451 {
 452         boost::shared_ptr<Route> r = wr.lock ();
 453
 454         if (!r) {
 455                 return;
 456         }
 457
 458         for (RouteObservers::iterator x = route_observers.begin(); x != route_observers.end();) {
 459
 460                 OSCRouteObserver* rc;
 461
 462                 if ((rc = dynamic_cast<OSCRouteObserver*>(*x)) != 0) {
 463
 464                         if (rc->route() == r) {
 465                                 delete *x;
 466                                 x = route_observers.erase (x);
 467                         } else {
 468                                 ++x;
 469                         }
 470                 } else {
 471                         ++x;
 472                 }
 473         }
 474 }
 475
 476 void
 477 OSC::end_listen (boost::shared_ptr<Route> r, lo_address addr)
 478 {
 479         RouteObservers::iterator x;
 480
 481         // Remove the route observers
 482         for (x = route_observers.begin(); x != route_observers.end();) {
 483
 484                 OSCRouteObserver* ro;
 485
 486                 if ((ro = dynamic_cast<OSCRouteObserver*>(*x)) != 0) {
 487
 488                         int res = strcmp(lo_address_get_hostname(ro->address()), lo_address_get_hostname(addr));
 489
 490                         if (ro->route() == r && res == 0) {
 491                                 delete *x;
 492                                 x = route_observers.erase (x);
 493                         }
 494                         else {
 495                                 ++x;
 496                         }
 497                 }
 498                 else {
 499                         ++x;
 500                 }
 501         }
 502 }
 503
 504 void
 505 OSC::current_value_query (const char* path, size_t len, lo_arg **argv, int argc, lo_message msg)
 506 {
 507         char* subpath;
 508
 509         subpath = (char*) malloc (len-15+1);
 510         memcpy (subpath, path, len-15);
 511         subpath[len-15] = '\0';
 512
 513         send_current_value (subpath, argv, argc, msg);
 514
 515         free (subpath);
 516 }
 517
 518 void
 519 OSC::send_current_value (const char* path, lo_arg** argv, int argc, lo_message msg)
 520 {
 521         if (!session) {
 522                 return;
 523         }
 524
 525         lo_message reply = lo_message_new ();
 526         boost::shared_ptr<Route> r;
 527         int id;
 528
 529         lo_message_add_string (reply, path);
 530
 531         if (argc == 0) {
 532                 lo_message_add_string (reply, "bad syntax");
 533         } else {
 534                 id = argv[0]->i;
 535                 r = session->route_by_remote_id (id);
 536
 537                 if (!r) {
 538                         lo_message_add_string (reply, "not found");
 539                 } else {
 540
 541                         if (strcmp (path, "/routes/state") == 0) {
 542
 543                                 if (boost::dynamic_pointer_cast<AudioTrack>(r)) {
 544                                         lo_message_add_string (reply, "AT");
 545                                 } else if (boost::dynamic_pointer_cast<MidiTrack>(r)) {
 546                                         lo_message_add_string (reply, "MT");
 547                                 } else {
 548                                         lo_message_add_string (reply, "B");
 549                                 }
 550
 551                                 lo_message_add_string (reply, r->name().c_str());
 552                                 lo_message_add_int32 (reply, r->n_inputs().n_audio());
 553                                 lo_message_add_int32 (reply, r->n_outputs().n_audio());
 554                                 lo_message_add_int32 (reply, r->muted());
 555                                 lo_message_add_int32 (reply, r->soloed());
 556
 557                         } else if (strcmp (path, "/routes/mute") == 0) {
 558
 559                                 lo_message_add_int32 (reply, (float) r->muted());
 560
 561                         } else if (strcmp (path, "/routes/solo") == 0) {
 562
 563                                 lo_message_add_int32 (reply, r->soloed());
 564                         }
 565                 }
 566         }
 567
 568         lo_send_message (lo_message_get_source (msg), "#reply", reply);
 569         lo_message_free (reply);
 570 }
 571
 572 int
 573 OSC::_catchall (const char *path, const char *types, lo_arg **argv, int argc, void *data, void *user_data)
 574 {
 575         return ((OSC*)user_data)->catchall (path, types, argv, argc, data);
 576 }
 577
 578 int
 579 OSC::catchall (const char *path, const char* /*types*/, lo_arg **argv, int argc, lo_message msg)
 580 {
 581         size_t len;
 582         int ret = 1; /* unhandled */
 583
 584         //cerr << "Received a message, path = " << path << " types = \""
 585         //     << (types ? types : "NULL") << '"' << endl;
 586
 587         /* 15 for /#current_value plus 2 for /<path> */
 588
 589         len = strlen (path);
 590
 591         if (len >= 17 && !strcmp (&path[len-15], "/#current_value")) {
 592                 current_value_query (path, len, argv, argc, msg);
 593                 ret = 0;
 594
 595         } else if (strcmp (path, "/routes/listen") == 0) {
 596
 597                 cerr << "set up listener\n";
 598
 599                 lo_message reply = lo_message_new ();
 600
 601                 if (argc <= 0) {
 602                         lo_message_add_string (reply, "syntax error");
 603                 } else {
 604                         for (int n = 0; n < argc; ++n) {
 605
 606                                 boost::shared_ptr<Route> r = session->route_by_remote_id (argv[n]->i);
 607
 608                                 if (!r) {
 609                                         lo_message_add_string (reply, "not found");
 610                                         cerr << "no such route\n";
 611                                         break;
 612                                 } else {
 613                                         cerr << "add listener\n";
 614                                         listen_to_route (r, lo_message_get_source (msg));
 615                                         lo_message_add_int32 (reply, argv[n]->i);
 616                                 }
 617                         }
 618                 }
 619
 620                 lo_send_message (lo_message_get_source (msg), "#reply", reply);
 621                 lo_message_free (reply);
 622
 623                 ret = 0;
 624
 625         } else if (strcmp (path, "/routes/ignore") == 0) {
 626
 627                 for (int n = 0; n < argc; ++n) {
 628
 629                         boost::shared_ptr<Route> r = session->route_by_remote_id (argv[n]->i);
 630
 631                         if (r) {
 632                                 end_listen (r, lo_message_get_source (msg));
 633                         }
 634                 }
 635
 636                 ret = 0;
 637         }
 638
 639         return ret;
 640 }
 641
 642 void
 643 OSC::update_clock ()
 644 {
 645
 646 }
 647
 648 // "Application Hook" Handlers //
 649 void
 650 OSC::session_loaded (Session& s)
 651 {
 652         lo_address listener = lo_address_new (NULL, "7770");
 653         lo_send (listener, "/session/loaded", "ss", s.path().c_str(), s.name().c_str());
 654 }
 655
 656 void
 657 OSC::session_exported (std::string path, std::string name)
 658 {
 659         lo_address listener = lo_address_new (NULL, "7770");
 660         lo_send (listener, "/session/exported", "ss", path.c_str(), name.c_str());
 661 }
 662
 663 // end "Application Hook" Handlers //
 664
 665 /* path callbacks */
 666
 667 int
 668 OSC::current_value (const char */*path*/, const char */*types*/, lo_arg **/*argv*/, int /*argc*/, void */*data*/, void* /*user_data*/)
 669 {
 670 #if 0
 671         const char* returl;
 672
 673         if (argc < 3 || types == 0 || strlen (types) < 3 || types[0] != 's' || types[1] != 's' || types[2] != s) {
 674                 return 1;
 675         }
 676
 677         const char *returl = argv[1]->s;
 678         lo_address addr = find_or_cache_addr (returl);
 679
 680         const char *retpath = argv[2]->s;
 681
 682
 683         if (strcmp (argv[0]->s, "transport_frame") == 0) {
 684
 685                 if (session) {
 686                         lo_send (addr, retpath, "i", session->transport_frame());
 687                 }
 688
 689         } else if (strcmp (argv[0]->s, "transport_speed") == 0) {
 690
 691                 if (session) {
 692                         lo_send (addr, retpath, "i", session->transport_frame());
 693                 }
 694
 695         } else if (strcmp (argv[0]->s, "transport_locked") == 0) {
 696
 697                 if (session) {
 698                         lo_send (addr, retpath, "i", session->transport_frame());
 699                 }
 700
 701         } else if (strcmp (argv[0]->s, "punch_in") == 0) {
 702
 703                 if (session) {
 704                         lo_send (addr, retpath, "i", session->transport_frame());
 705                 }
 706
 707         } else if (strcmp (argv[0]->s, "punch_out") == 0) {
 708
 709                 if (session) {
 710                         lo_send (addr, retpath, "i", session->transport_frame());
 711                 }
 712
 713         } else if (strcmp (argv[0]->s, "rec_enable") == 0) {
 714
 715                 if (session) {
 716                         lo_send (addr, retpath, "i", session->transport_frame());
 717                 }
 718
 719         } else {
 720
 721                 /* error */
 722         }
 723 #endif
 724         return 0;
 725 }
 726
 727 void
 728 OSC::routes_list (lo_message msg)
 729 {
 730         for (int n = 0; n < (int) session->nroutes(); ++n) {
 731
 732                 boost::shared_ptr<Route> r = session->route_by_remote_id (n);
 733
 734                 if (r) {
 735
 736                         lo_message reply = lo_message_new ();
 737
 738                         if (boost::dynamic_pointer_cast<AudioTrack>(r)) {
 739                                 lo_message_add_string (reply, "AT");
 740                         } else if (boost::dynamic_pointer_cast<MidiTrack>(r)) {
 741                                 lo_message_add_string (reply, "MT");
 742                         } else {
 743                                 lo_message_add_string (reply, "B");
 744                         }
 745
 746                         lo_message_add_string (reply, r->name().c_str());
 747                         lo_message_add_int32 (reply, r->n_inputs().n_audio());
 748                         lo_message_add_int32 (reply, r->n_outputs().n_audio());
 749                         lo_message_add_int32 (reply, r->muted());
 750                         lo_message_add_int32 (reply, r->soloed());
 751                         lo_message_add_int32 (reply, r->remote_control_id());
 752
 753                         if (boost::dynamic_pointer_cast<AudioTrack>(r)
 754                                         || boost::dynamic_pointer_cast<MidiTrack>(r)) {
 755
 756                                 boost::shared_ptr<Track> t = boost::dynamic_pointer_cast<Track>(r);
 757                                 lo_message_add_int32 (reply, t->record_enabled());
 758                         }
 759
 760                         //Automatically listen to routes listed
 761                         listen_to_route(r, lo_message_get_source (msg));
 762
 763                         lo_send_message (lo_message_get_source (msg), "#reply", reply);
 764                         lo_message_free (reply);
 765                 }
 766         }
 767
 768         // Send end of listing message
 769         lo_message reply = lo_message_new ();
 770
 771         lo_message_add_string (reply, "end_route_list");
 772         lo_message_add_int64 (reply, session->frame_rate());
 773         lo_message_add_int64 (reply, session->current_end_frame());
 774
 775         lo_send_message (lo_message_get_source (msg), "#reply", reply);
 776
 777         lo_message_free (reply);
 778 }
 779
 780 void
 781 OSC::transport_frame (lo_message msg)
 782 {
 783         framepos_t pos = session->transport_frame ();
 784
 785         lo_message reply = lo_message_new ();
 786         lo_message_add_int64 (reply, pos);
 787
 788         lo_send_message (lo_message_get_source (msg), "/ardour/transport_frame", reply);
 789
 790         lo_message_free (reply);
 791 }
 792
 793 void
 794 OSC::transport_speed (lo_message msg)
 795 {
 796         double ts = session->transport_speed ();
 797
 798         lo_message reply = lo_message_new ();
 799         lo_message_add_double (reply, ts);
 800
 801         lo_send_message (lo_message_get_source (msg), "/ardour/transport_speed", reply);
 802
 803         lo_message_free (reply);
 804 }
 805
 806 void
 807 OSC::record_enabled (lo_message msg)
 808 {
 809         int re = (int)session->get_record_enabled ();
 810
 811         lo_message reply = lo_message_new ();
 812         lo_message_add_int32 (reply, re);
 813
 814         lo_send_message (lo_message_get_source (msg), "/ardour/record_enabled", reply);
 815
 816         lo_message_free (reply);
 817 }
 818
 819
 820 int
 821 OSC::route_mute (int rid, int yn)
 822 {
 823         if (!session) return -1;
 824
 825         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
 826
 827         if (r) {
 828                 r->set_mute (yn, this);
 829         }
 830
 831         return 0;
 832 }
 833
 834 int
 835 OSC::route_solo (int rid, int yn)
 836 {
 837         if (!session) return -1;
 838
 839         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
 840
 841         if (r) {
 842                 boost::shared_ptr<RouteList> rl (new RouteList);
 843                 rl->push_back (r);
 844                 session->set_solo (rl, yn);
 845         }
 846
 847         return 0;
 848 }
 849
 850 int
 851 OSC::route_recenable (int rid, int yn)
 852 {
 853         if (!session) return -1;
 854
 855         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
 856
 857         if (r) {
 858                 r->set_record_enabled (yn, this);
 859         }
 860
 861         return 0;
 862 }
 863
 864 int
 865 OSC::route_set_gain_abs (int rid, float level)
 866 {
 867         if (!session) return -1;
 868
 869         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
 870
 871         if (r) {
 872                 r->set_gain (level, this);
 873         }
 874
 875         return 0;
 876 }
 877
 878 int
 879 OSC::route_set_gain_dB (int rid, float dB)
 880 {
 881         return route_set_gain_abs (rid, dB_to_coefficient (dB));
 882 }
 883
 884
 885 int
 886 OSC::route_set_trim_abs (int rid, float level)
 887 {
 888         if (!session) return -1;
 889
 890         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
 891
 892         if (r) {
 893                 r->set_trim (level, this);
 894         }
 895
 896         return 0;
 897 }
 898
 899 int
 900 OSC::route_set_trim_dB (int rid, float dB)
 901 {
 902         return route_set_trim_abs(rid, dB_to_coefficient (dB));
 903 }
 904
 905
 906 int
 907 OSC::route_set_pan_stereo_position (int rid, float pos)
 908 {
 909         if (!session) return -1;
 910
 911         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
 912
 913         if (r) {
 914                 boost::shared_ptr<Panner> panner = r->panner();
 915                 if (panner) {
 916                         panner->set_position (pos);
 917                 }
 918         }
 919
 920         return 0;
 921
 922 }
 923
 924 int
 925 OSC::route_set_pan_stereo_width (int rid, float pos)
 926 {
 927         if (!session) return -1;
 928
 929         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
 930
 931         if (r) {
 932                 boost::shared_ptr<Panner> panner = r->panner();
 933                 if (panner) {
 934                         panner->set_width (pos);
 935                 }
 936         }
 937
 938         return 0;
 939
 940 }
 941
 942 int
 943 OSC::route_set_send_gain_abs (int rid, int sid, float val)
 944 {
 945         if (!session) {
 946                 return -1;
 947         }
 948
 949         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
 950
 951         if (!r) {
 952                 return -1;
 953         }
 954
 955         /* revert to zero-based counting */
 956
 957         if (sid > 0) {
 958                 --sid;
 959         }
 960
 961         boost::shared_ptr<Processor> p = r->nth_send (sid);
 962
 963         if (p) {
 964                 boost::shared_ptr<Send> s = boost::dynamic_pointer_cast<Send>(p);
 965                 boost::shared_ptr<Amp> a = s->amp();
 966
 967                 if (a) {
 968                         a->set_gain (val, this);
 969                 }
 970         }
 971         return 0;
 972 }
 973
 974 int
 975 OSC::route_set_send_gain_dB (int rid, int sid, float val)
 976 {
 977         if (!session) {
 978                 return -1;
 979         }
 980
 981         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
 982
 983         if (!r) {
 984                 return -1;
 985         }
 986
 987         /* revert to zero-based counting */
 988
 989         if (sid > 0) {
 990                 --sid;
 991         }
 992
 993         boost::shared_ptr<Processor> p = r->nth_send (sid);
 994
 995         if (p) {
 996                 boost::shared_ptr<Send> s = boost::dynamic_pointer_cast<Send>(p);
 997                 boost::shared_ptr<Amp> a = s->amp();
 998
 999                 if (a) {
1000                         a->set_gain (dB_to_coefficient (val), this);
1001                 }
1002         }
1003         return 0;
1004 }
1005
1006 int
1007 OSC::route_plugin_parameter (int rid, int piid, int par, float val)
1008 {
1009         if (!session)
1010                 return -1;
1011
1012         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
1013
1014         if (!r) {
1015                 PBD::error << "OSC: Invalid Remote Control ID '" << rid << "'" << endmsg;
1016                 return -1;
1017         }
1018
1019         boost::shared_ptr<Processor> redi=r->nth_plugin (piid);
1020
1021         if (!redi) {
1022                 PBD::error << "OSC: cannot find plugin # " << piid << " for RID '" << rid << "'" << endmsg;
1023                 return -1;
1024         }
1025
1026         boost::shared_ptr<PluginInsert> pi;
1027
1028         if (!(pi = boost::dynamic_pointer_cast<PluginInsert>(redi))) {
1029                 PBD::error << "OSC: given processor # " << piid << " on RID '" << rid << "' is not a Plugin." << endmsg;
1030                 return -1;
1031         }
1032
1033         boost::shared_ptr<ARDOUR::Plugin> pip = pi->plugin();
1034         bool ok=false;
1035
1036         uint32_t controlid = pip->nth_parameter (par,ok);
1037
1038         if (!ok) {
1039                 PBD::error << "OSC: Cannot find parameter # " << par <<  " for plugin # " << piid << " on RID '" << rid << "'" << endmsg;
1040                 return -1;
1041         }
1042
1043         if (!pip->parameter_is_input(controlid)) {
1044                 PBD::error << "OSC: Parameter # " << par <<  " for plugin # " << piid << " on RID '" << rid << "' is not a control input" << endmsg;
1045                 return -1;
1046         }
1047
1048         ParameterDescriptor pd;
1049         pi->plugin()->get_parameter_descriptor (controlid,pd);
1050
1051         if (val >= pd.lower && val < pd.upper) {
1052
1053                 boost::shared_ptr<AutomationControl> c = pi->automation_control (Evoral::Parameter(PluginAutomation, 0, controlid));
1054                 // cerr << "parameter:" << redi->describe_parameter(controlid) << " val:" << val << "\n";
1055                 c->set_value (val);
1056         } else {
1057                 PBD::warning << "OSC: Parameter # " << par <<  " for plugin # " << piid << " on RID '" << rid << "' is out of range" << endmsg;
1058                 PBD::info << "OSC: Valid range min=" << pd.lower << " max=" << pd.upper << endmsg;
1059         }
1060
1061         return 0;
1062 }
1063
1064 int
1065 OSC::route_plugin_parameter_print (int rid, int piid, int par)
1066 {
1067         if (!session) {
1068                 return -1;
1069         }
1070
1071         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
1072
1073         if (!r) {
1074                 return -1;
1075         }
1076
1077         boost::shared_ptr<Processor> redi=r->nth_processor (piid);
1078
1079         if (!redi) {
1080                 return -1;
1081         }
1082
1083         boost::shared_ptr<PluginInsert> pi;
1084
1085         if (!(pi = boost::dynamic_pointer_cast<PluginInsert>(redi))) {
1086                 return -1;
1087         }
1088
1089         boost::shared_ptr<ARDOUR::Plugin> pip = pi->plugin();
1090         bool ok=false;
1091
1092         uint32_t controlid = pip->nth_parameter (par,ok);
1093
1094         if (!ok) {
1095                 return -1;
1096         }
1097
1098         ParameterDescriptor pd;
1099
1100         if (pi->plugin()->get_parameter_descriptor (controlid, pd) == 0) {
1101                 boost::shared_ptr<AutomationControl> c = pi->automation_control (Evoral::Parameter(PluginAutomation, 0, controlid));
1102
1103                 cerr << "parameter:     " << redi->describe_parameter(controlid)  << "\n";
1104                 cerr << "current value: " << c->get_value ();
1105                 cerr << "lower value:   " << pd.lower << "\n";
1106                 cerr << "upper value:   " << pd.upper << "\n";
1107         }
1108
1109         return 0;
1110 }
1111
1112 XMLNode&
1113 OSC::get_state ()
1114 {
1115         return ControlProtocol::get_state();
1116 }
1117
1118 int
1119 OSC::set_state (const XMLNode& node, int version)
1120 {
1121         if (ControlProtocol::set_state (node, version)) {
1122                 return -1;
1123         }
1124
1125         return 0;
1126 }