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