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