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/send.h"
  48
  49 #include "osc.h"
  50 #include "osc_controllable.h"
  51 #include "osc_route_observer.h"
  52 #include "i18n.h"
  53
  54 using namespace ARDOUR;
  55 using namespace std;
  56 using namespace Glib;
  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_in_search_path (ardour_config_search_path(), "osc_url", url_file)) {
 209
 210                 _osc_url_file = url_file;
 211                 ofstream urlfile;
 212                 urlfile.open(_osc_url_file.c_str(), ios::trunc);
 213
 214                 if (urlfile) {
 215                         urlfile << get_server_url () << endl;
 216                         urlfile.close();
 217                 } else {
 218                         cerr << "Couldn't write '" <<  _osc_url_file << "'" <<endl;
 219                 }
 220         }
 221
 222         register_callbacks();
 223
 224         // lo_server_thread_add_method(_sthread, NULL, NULL, OSC::_dummy_handler, this);
 225
 226         /* startup the event loop thread */
 227
 228         BaseUI::run ();
 229
 230         return 0;
 231 }
 232
 233 void
 234 OSC::thread_init ()
 235 {
 236         pthread_set_name (X_("OSC"));
 237
 238         if (_osc_unix_server) {
 239                 Glib::RefPtr<IOSource> src = IOSource::create (lo_server_get_socket_fd (_osc_unix_server), IO_IN|IO_HUP|IO_ERR);
 240                 src->connect (sigc::bind (sigc::mem_fun (*this, &OSC::osc_input_handler), _osc_unix_server));
 241                 src->attach (_main_loop->get_context());
 242                 local_server = src->gobj();
 243                 g_source_ref (local_server);
 244         }
 245
 246         if (_osc_server) {
 247                 Glib::RefPtr<IOSource> src  = IOSource::create (lo_server_get_socket_fd (_osc_server), IO_IN|IO_HUP|IO_ERR);
 248                 src->connect (sigc::bind (sigc::mem_fun (*this, &OSC::osc_input_handler), _osc_server));
 249                 src->attach (_main_loop->get_context());
 250                 remote_server = src->gobj();
 251                 g_source_ref (remote_server);
 252         }
 253
 254         PBD::notify_gui_about_thread_creation (X_("gui"), pthread_self(), X_("OSC"), 2048);
 255         SessionEvent::create_per_thread_pool (X_("OSC"), 128);
 256 }
 257
 258 int
 259 OSC::stop ()
 260 {
 261         /* stop main loop */
 262
 263         if (local_server) {
 264                 g_source_destroy (local_server);
 265                 g_source_unref (local_server);
 266                 local_server = 0;
 267         }
 268
 269         if (remote_server) {
 270                 g_source_destroy (remote_server);
 271                 g_source_unref (remote_server);
 272                 remote_server = 0;
 273         }
 274
 275         BaseUI::quit ();
 276
 277         if (_osc_server) {
 278                 int fd = lo_server_get_socket_fd(_osc_server);
 279                 if (fd >=0) {
 280                         close(fd);
 281                 }
 282                 lo_server_free (_osc_server);
 283                 _osc_server = 0;
 284         }
 285
 286         if (_osc_unix_server) {
 287                 int fd = lo_server_get_socket_fd(_osc_unix_server);
 288                 if (fd >=0) {
 289                         close(fd);
 290                 }
 291                 lo_server_free (_osc_unix_server);
 292                 _osc_unix_server = 0;
 293         }
 294
 295         if (!_osc_unix_socket_path.empty()) {
 296                 ::g_unlink (_osc_unix_socket_path.c_str());
 297         }
 298
 299         if (!_osc_url_file.empty() ) {
 300                 ::g_unlink (_osc_url_file.c_str() );
 301         }
 302
 303         // Delete any active route observers
 304         for (RouteObservers::iterator x = route_observers.begin(); x != route_observers.end();) {
 305
 306                 OSCRouteObserver* rc;
 307
 308                 if ((rc = dynamic_cast<OSCRouteObserver*>(*x)) != 0) {
 309                         delete *x;
 310                         x = route_observers.erase (x);
 311                 } else {
 312                         ++x;
 313                 }
 314         }
 315
 316         return 0;
 317 }
 318
 319 void
 320 OSC::register_callbacks()
 321 {
 322         lo_server srvs[2];
 323         lo_server serv;
 324
 325         srvs[0] = _osc_server;
 326         srvs[1] = _osc_unix_server;
 327
 328         for (size_t i = 0; i < 2; ++i) {
 329
 330                 if (!srvs[i]) {
 331                         continue;
 332                 }
 333
 334                 serv = srvs[i];
 335
 336                 /* this is a special catchall handler */
 337
 338                 lo_server_add_method (serv, 0, 0, _catchall, this);
 339
 340 #define REGISTER_CALLBACK(serv,path,types, function) lo_server_add_method (serv, path, types, OSC::_ ## function, this)
 341
 342                 REGISTER_CALLBACK (serv, "/routes/list", "", routes_list);
 343                 REGISTER_CALLBACK (serv, "/ardour/add_marker", "", add_marker);
 344                 REGISTER_CALLBACK (serv, "/ardour/access_action", "s", access_action);
 345                 REGISTER_CALLBACK (serv, "/ardour/loop_toggle", "", loop_toggle);
 346                 REGISTER_CALLBACK (serv, "/ardour/goto_start", "", goto_start);
 347                 REGISTER_CALLBACK (serv, "/ardour/goto_end", "", goto_end);
 348                 REGISTER_CALLBACK (serv, "/ardour/rewind", "", rewind);
 349                 REGISTER_CALLBACK (serv, "/ardour/ffwd", "", ffwd);
 350                 REGISTER_CALLBACK (serv, "/ardour/transport_stop", "", transport_stop);
 351                 REGISTER_CALLBACK (serv, "/ardour/transport_play", "", transport_play);
 352                 REGISTER_CALLBACK (serv, "/ardour/transport_frame", "", transport_frame);
 353                 REGISTER_CALLBACK (serv, "/ardour/set_transport_speed", "f", set_transport_speed);
 354                 REGISTER_CALLBACK (serv, "/ardour/locate", "ii", locate);
 355                 REGISTER_CALLBACK (serv, "/ardour/save_state", "", save_state);
 356                 REGISTER_CALLBACK (serv, "/ardour/prev_marker", "", prev_marker);
 357                 REGISTER_CALLBACK (serv, "/ardour/next_marker", "", next_marker);
 358                 REGISTER_CALLBACK (serv, "/ardour/undo", "", undo);
 359                 REGISTER_CALLBACK (serv, "/ardour/redo", "", redo);
 360                 REGISTER_CALLBACK (serv, "/ardour/toggle_punch_in", "", toggle_punch_in);
 361                 REGISTER_CALLBACK (serv, "/ardour/toggle_punch_out", "", toggle_punch_out);
 362                 REGISTER_CALLBACK (serv, "/ardour/rec_enable_toggle", "", rec_enable_toggle);
 363                 REGISTER_CALLBACK (serv, "/ardour/toggle_all_rec_enables", "", toggle_all_rec_enables);
 364
 365                 REGISTER_CALLBACK (serv, "/ardour/routes/mute", "ii", route_mute);
 366                 REGISTER_CALLBACK (serv, "/ardour/routes/solo", "ii", route_solo);
 367                 REGISTER_CALLBACK (serv, "/ardour/routes/recenable", "ii", route_recenable);
 368                 REGISTER_CALLBACK (serv, "/ardour/routes/gainabs", "if", route_set_gain_abs);
 369                 REGISTER_CALLBACK (serv, "/ardour/routes/gaindB", "if", route_set_gain_dB);
 370                 REGISTER_CALLBACK (serv, "/ardour/routes/pan_stereo_position", "if", route_set_pan_stereo_position);
 371                 REGISTER_CALLBACK (serv, "/ardour/routes/pan_stereo_width", "if", route_set_pan_stereo_width);
 372                 REGISTER_CALLBACK (serv, "/ardour/routes/plugin/parameter", "iiif", route_plugin_parameter);
 373                 REGISTER_CALLBACK (serv, "/ardour/routes/plugin/parameter/print", "iii", route_plugin_parameter_print);
 374                 REGISTER_CALLBACK (serv, "/ardour/routes/send/gainabs", "iif", route_set_send_gain_abs);
 375                 REGISTER_CALLBACK (serv, "/ardour/routes/send/gaindB", "iif", route_set_send_gain_dB);
 376
 377                 /* still not-really-standardized query interface */
 378                 //REGISTER_CALLBACK (serv, "/ardour/*/#current_value", "", current_value);
 379                 //REGISTER_CALLBACK (serv, "/ardour/set", "", set);
 380
 381                 // un/register_update args= s:ctrl s:returl s:retpath
 382                 //lo_server_add_method(serv, "/register_update", "sss", OSC::global_register_update_handler, this);
 383                 //lo_server_add_method(serv, "/unregister_update", "sss", OSC::global_unregister_update_handler, this);
 384                 //lo_server_add_method(serv, "/register_auto_update", "siss", OSC::global_register_auto_update_handler, this);
 385                 //lo_server_add_method(serv, "/unregister_auto_update", "sss", OSC::_global_unregister_auto_update_handler, this);
 386
 387         }
 388 }
 389
 390 bool
 391 OSC::osc_input_handler (IOCondition ioc, lo_server srv)
 392 {
 393         if (ioc & ~IO_IN) {
 394                 return false;
 395         }
 396
 397         if (ioc & IO_IN) {
 398                 lo_server_recv (srv);
 399         }
 400
 401         return true;
 402 }
 403
 404 std::string
 405 OSC::get_server_url()
 406 {
 407         string url;
 408         char * urlstr;
 409
 410         if (_osc_server) {
 411                 urlstr = lo_server_get_url (_osc_server);
 412                 url = urlstr;
 413                 free (urlstr);
 414         }
 415
 416         return url;
 417 }
 418
 419 std::string
 420 OSC::get_unix_server_url()
 421 {
 422         string url;
 423         char * urlstr;
 424
 425         if (_osc_unix_server) {
 426                 urlstr = lo_server_get_url (_osc_unix_server);
 427                 url = urlstr;
 428                 free (urlstr);
 429         }
 430
 431         return url;
 432 }
 433
 434 void
 435 OSC::listen_to_route (boost::shared_ptr<Route> route, lo_address addr)
 436 {
 437         /* avoid duplicate listens */
 438
 439         for (RouteObservers::iterator x = route_observers.begin(); x != route_observers.end(); ++x) {
 440
 441                 OSCRouteObserver* ro;
 442
 443                 if ((ro = dynamic_cast<OSCRouteObserver*>(*x)) != 0) {
 444
 445                         int res = strcmp(lo_address_get_hostname(ro->address()), lo_address_get_hostname(addr));
 446
 447                         if (ro->route() == route && res == 0) {
 448                                 return;
 449                         }
 450                 }
 451         }
 452
 453         OSCRouteObserver* o = new OSCRouteObserver (route, addr);
 454         route_observers.push_back (o);
 455
 456         route->DropReferences.connect (*this, MISSING_INVALIDATOR, boost::bind (&OSC::drop_route, this, boost::weak_ptr<Route> (route)), this);
 457 }
 458
 459 void
 460 OSC::drop_route (boost::weak_ptr<Route> wr)
 461 {
 462         boost::shared_ptr<Route> r = wr.lock ();
 463
 464         if (!r) {
 465                 return;
 466         }
 467
 468         for (RouteObservers::iterator x = route_observers.begin(); x != route_observers.end();) {
 469
 470                 OSCRouteObserver* rc;
 471
 472                 if ((rc = dynamic_cast<OSCRouteObserver*>(*x)) != 0) {
 473
 474                         if (rc->route() == r) {
 475                                 delete *x;
 476                                 x = route_observers.erase (x);
 477                         } else {
 478                                 ++x;
 479                         }
 480                 } else {
 481                         ++x;
 482                 }
 483         }
 484 }
 485
 486 void
 487 OSC::end_listen (boost::shared_ptr<Route> r, lo_address addr)
 488 {
 489         RouteObservers::iterator x;
 490
 491         // Remove the route observers
 492         for (x = route_observers.begin(); x != route_observers.end();) {
 493
 494                 OSCRouteObserver* ro;
 495
 496                 if ((ro = dynamic_cast<OSCRouteObserver*>(*x)) != 0) {
 497
 498                         int res = strcmp(lo_address_get_hostname(ro->address()), lo_address_get_hostname(addr));
 499
 500                         if (ro->route() == r && res == 0) {
 501                                 delete *x;
 502                                 x = route_observers.erase (x);
 503                         }
 504                         else {
 505                                 ++x;
 506                         }
 507                 }
 508                 else {
 509                         ++x;
 510                 }
 511         }
 512 }
 513
 514 void
 515 OSC::current_value_query (const char* path, size_t len, lo_arg **argv, int argc, lo_message msg)
 516 {
 517         char* subpath;
 518
 519         subpath = (char*) malloc (len-15+1);
 520         memcpy (subpath, path, len-15);
 521         subpath[len-15] = '\0';
 522
 523         send_current_value (subpath, argv, argc, msg);
 524
 525         free (subpath);
 526 }
 527
 528 void
 529 OSC::send_current_value (const char* path, lo_arg** argv, int argc, lo_message msg)
 530 {
 531         if (!session) {
 532                 return;
 533         }
 534
 535         lo_message reply = lo_message_new ();
 536         boost::shared_ptr<Route> r;
 537         int id;
 538
 539         lo_message_add_string (reply, path);
 540
 541         if (argc == 0) {
 542                 lo_message_add_string (reply, "bad syntax");
 543         } else {
 544                 id = argv[0]->i;
 545                 r = session->route_by_remote_id (id);
 546
 547                 if (!r) {
 548                         lo_message_add_string (reply, "not found");
 549                 } else {
 550
 551                         if (strcmp (path, "/routes/state") == 0) {
 552
 553                                 if (boost::dynamic_pointer_cast<AudioTrack>(r)) {
 554                                         lo_message_add_string (reply, "AT");
 555                                 } else if (boost::dynamic_pointer_cast<MidiTrack>(r)) {
 556                                         lo_message_add_string (reply, "MT");
 557                                 } else {
 558                                         lo_message_add_string (reply, "B");
 559                                 }
 560
 561                                 lo_message_add_string (reply, r->name().c_str());
 562                                 lo_message_add_int32 (reply, r->n_inputs().n_audio());
 563                                 lo_message_add_int32 (reply, r->n_outputs().n_audio());
 564                                 lo_message_add_int32 (reply, r->muted());
 565                                 lo_message_add_int32 (reply, r->soloed());
 566
 567                         } else if (strcmp (path, "/routes/mute") == 0) {
 568
 569                                 lo_message_add_int32 (reply, (float) r->muted());
 570
 571                         } else if (strcmp (path, "/routes/solo") == 0) {
 572
 573                                 lo_message_add_int32 (reply, r->soloed());
 574                         }
 575                 }
 576         }
 577
 578         lo_send_message (lo_message_get_source (msg), "#reply", reply);
 579         lo_message_free (reply);
 580 }
 581
 582 int
 583 OSC::_catchall (const char *path, const char *types, lo_arg **argv, int argc, void *data, void *user_data)
 584 {
 585         return ((OSC*)user_data)->catchall (path, types, argv, argc, data);
 586 }
 587
 588 int
 589 OSC::catchall (const char *path, const char* /*types*/, lo_arg **argv, int argc, lo_message msg)
 590 {
 591         size_t len;
 592         int ret = 1; /* unhandled */
 593
 594         //cerr << "Received a message, path = " << path << " types = \""
 595         //     << (types ? types : "NULL") << '"' << endl;
 596
 597         /* 15 for /#current_value plus 2 for /<path> */
 598
 599         len = strlen (path);
 600
 601         if (len >= 17 && !strcmp (&path[len-15], "/#current_value")) {
 602                 current_value_query (path, len, argv, argc, msg);
 603                 ret = 0;
 604
 605         } else if (strcmp (path, "/routes/listen") == 0) {
 606
 607                 cerr << "set up listener\n";
 608
 609                 lo_message reply = lo_message_new ();
 610
 611                 if (argc <= 0) {
 612                         lo_message_add_string (reply, "syntax error");
 613                 } else {
 614                         for (int n = 0; n < argc; ++n) {
 615
 616                                 boost::shared_ptr<Route> r = session->route_by_remote_id (argv[n]->i);
 617
 618                                 if (!r) {
 619                                         lo_message_add_string (reply, "not found");
 620                                         cerr << "no such route\n";
 621                                         break;
 622                                 } else {
 623                                         cerr << "add listener\n";
 624                                         listen_to_route (r, lo_message_get_source (msg));
 625                                         lo_message_add_int32 (reply, argv[n]->i);
 626                                 }
 627                         }
 628                 }
 629
 630                 lo_send_message (lo_message_get_source (msg), "#reply", reply);
 631                 lo_message_free (reply);
 632
 633                 ret = 0;
 634
 635         } else if (strcmp (path, "/routes/ignore") == 0) {
 636
 637                 for (int n = 0; n < argc; ++n) {
 638
 639                         boost::shared_ptr<Route> r = session->route_by_remote_id (argv[n]->i);
 640
 641                         if (r) {
 642                                 end_listen (r, lo_message_get_source (msg));
 643                         }
 644                 }
 645
 646                 ret = 0;
 647         }
 648
 649         return ret;
 650 }
 651
 652 void
 653 OSC::update_clock ()
 654 {
 655
 656 }
 657
 658 // "Application Hook" Handlers //
 659 void
 660 OSC::session_loaded (Session& s)
 661 {
 662         lo_address listener = lo_address_new (NULL, "7770");
 663         lo_send (listener, "/session/loaded", "ss", s.path().c_str(), s.name().c_str());
 664 }
 665
 666 void
 667 OSC::session_exported (std::string path, std::string name)
 668 {
 669         lo_address listener = lo_address_new (NULL, "7770");
 670         lo_send (listener, "/session/exported", "ss", path.c_str(), name.c_str());
 671 }
 672
 673 // end "Application Hook" Handlers //
 674
 675 /* path callbacks */
 676
 677 int
 678 OSC::current_value (const char */*path*/, const char */*types*/, lo_arg **/*argv*/, int /*argc*/, void */*data*/, void* /*user_data*/)
 679 {
 680 #if 0
 681         const char* returl;
 682
 683         if (argc < 3 || types == 0 || strlen (types) < 3 || types[0] != 's' || types[1] != 's' || types[2] != s) {
 684                 return 1;
 685         }
 686
 687         const char *returl = argv[1]->s;
 688         lo_address addr = find_or_cache_addr (returl);
 689
 690         const char *retpath = argv[2]->s;
 691
 692
 693         if (strcmp (argv[0]->s, "transport_frame") == 0) {
 694
 695                 if (session) {
 696                         lo_send (addr, retpath, "i", session->transport_frame());
 697                 }
 698
 699         } else if (strcmp (argv[0]->s, "transport_speed") == 0) {
 700
 701                 if (session) {
 702                         lo_send (addr, retpath, "i", session->transport_frame());
 703                 }
 704
 705         } else if (strcmp (argv[0]->s, "transport_locked") == 0) {
 706
 707                 if (session) {
 708                         lo_send (addr, retpath, "i", session->transport_frame());
 709                 }
 710
 711         } else if (strcmp (argv[0]->s, "punch_in") == 0) {
 712
 713                 if (session) {
 714                         lo_send (addr, retpath, "i", session->transport_frame());
 715                 }
 716
 717         } else if (strcmp (argv[0]->s, "punch_out") == 0) {
 718
 719                 if (session) {
 720                         lo_send (addr, retpath, "i", session->transport_frame());
 721                 }
 722
 723         } else if (strcmp (argv[0]->s, "rec_enable") == 0) {
 724
 725                 if (session) {
 726                         lo_send (addr, retpath, "i", session->transport_frame());
 727                 }
 728
 729         } else {
 730
 731                 /* error */
 732         }
 733 #endif
 734         return 0;
 735 }
 736
 737 void
 738 OSC::routes_list (lo_message msg)
 739 {
 740         for (int n = 0; n < (int) session->nroutes(); ++n) {
 741
 742                 boost::shared_ptr<Route> r = session->route_by_remote_id (n);
 743
 744                 if (r) {
 745
 746                         lo_message reply = lo_message_new ();
 747
 748                         if (boost::dynamic_pointer_cast<AudioTrack>(r)) {
 749                                 lo_message_add_string (reply, "AT");
 750                         } else if (boost::dynamic_pointer_cast<MidiTrack>(r)) {
 751                                 lo_message_add_string (reply, "MT");
 752                         } else {
 753                                 lo_message_add_string (reply, "B");
 754                         }
 755
 756                         lo_message_add_string (reply, r->name().c_str());
 757                         lo_message_add_int32 (reply, r->n_inputs().n_audio());
 758                         lo_message_add_int32 (reply, r->n_outputs().n_audio());
 759                         lo_message_add_int32 (reply, r->muted());
 760                         lo_message_add_int32 (reply, r->soloed());
 761                         lo_message_add_int32 (reply, r->remote_control_id());
 762
 763                         if (boost::dynamic_pointer_cast<AudioTrack>(r)
 764                                 || boost::dynamic_pointer_cast<MidiTrack>(r)) {
 765
 766                                 boost::shared_ptr<Track> t = boost::dynamic_pointer_cast<Track>(r);
 767                                 lo_message_add_int32 (reply, t->record_enabled());
 768                         }
 769
 770                         //Automatically listen to routes listed
 771                         listen_to_route(r, lo_message_get_source (msg));
 772
 773                         lo_send_message (lo_message_get_source (msg), "#reply", reply);
 774                         lo_message_free (reply);
 775                 }
 776         }
 777
 778         // Send end of listing message
 779         lo_message reply = lo_message_new ();
 780
 781         lo_message_add_string (reply, "end_route_list");
 782         lo_message_add_int64 (reply, session->frame_rate());
 783         lo_message_add_int64 (reply, session->current_end_frame());
 784
 785         lo_send_message (lo_message_get_source (msg), "#reply", reply);
 786
 787         lo_message_free (reply);
 788 }
 789
 790 void
 791 OSC::transport_frame (lo_message msg)
 792 {
 793                 framepos_t pos = session->transport_frame ();
 794
 795                 lo_message reply = lo_message_new ();
 796                 lo_message_add_int64 (reply, pos);
 797
 798                 lo_send_message (lo_message_get_source (msg), "/ardour/transport_frame", reply);
 799
 800                 lo_message_free (reply);
 801 }
 802
 803 int
 804 OSC::route_mute (int rid, int yn)
 805 {
 806         if (!session) return -1;
 807
 808         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
 809
 810         if (r) {
 811                 r->set_mute (yn, this);
 812         }
 813
 814         return 0;
 815 }
 816
 817 int
 818 OSC::route_solo (int rid, int yn)
 819 {
 820         if (!session) return -1;
 821
 822         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
 823
 824         if (r) {
 825                 r->set_solo (yn, this);
 826         }
 827
 828         return 0;
 829 }
 830
 831 int
 832 OSC::route_recenable (int rid, int yn)
 833 {
 834         if (!session) return -1;
 835
 836         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
 837
 838         if (r) {
 839                 r->set_record_enabled (yn, this);
 840         }
 841
 842         return 0;
 843 }
 844
 845 int
 846 OSC::route_set_gain_abs (int rid, float level)
 847 {
 848         if (!session) return -1;
 849
 850         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
 851
 852         if (r) {
 853                 r->set_gain (level, this);
 854         }
 855
 856         return 0;
 857 }
 858
 859 int
 860 OSC::route_set_gain_dB (int rid, float dB)
 861 {
 862         if (!session) return -1;
 863
 864         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
 865
 866         if (r) {
 867                 r->set_gain (dB_to_coefficient (dB), this);
 868         }
 869
 870         return 0;
 871 }
 872
 873 int
 874 OSC::route_set_pan_stereo_position (int rid, float pos)
 875 {
 876         if (!session) return -1;
 877
 878         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
 879
 880         if (r) {
 881                 boost::shared_ptr<Panner> panner = r->panner();
 882                 if (panner) {
 883                         panner->set_position (pos);
 884                 }
 885         }
 886
 887         return 0;
 888
 889 }
 890
 891 int
 892 OSC::route_set_pan_stereo_width (int rid, float pos)
 893 {
 894         if (!session) return -1;
 895
 896         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
 897
 898         if (r) {
 899                 boost::shared_ptr<Panner> panner = r->panner();
 900                 if (panner) {
 901                         panner->set_width (pos);
 902                 }
 903         }
 904
 905         return 0;
 906
 907 }
 908
 909 int
 910 OSC::route_set_send_gain_abs (int rid, int sid, float val)
 911 {
 912         if (!session) {
 913                 return -1;
 914         }
 915
 916         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
 917
 918         if (!r) {
 919                 return -1;
 920         }
 921
 922         /* revert to zero-based counting */
 923
 924         if (sid > 0) {
 925                 --sid;
 926         }
 927
 928         boost::shared_ptr<Processor> p = r->nth_send (sid);
 929
 930         if (p) {
 931                 boost::shared_ptr<Send> s = boost::dynamic_pointer_cast<Send>(p);
 932                 boost::shared_ptr<Amp> a = s->amp();
 933
 934                 if (a) {
 935                         a->set_gain (val, this);
 936                 }
 937         }
 938         return 0;
 939 }
 940
 941 int
 942 OSC::route_set_send_gain_dB (int rid, int sid, float val)
 943 {
 944         if (!session) {
 945                 return -1;
 946         }
 947
 948         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
 949
 950         if (!r) {
 951                 return -1;
 952         }
 953
 954         /* revert to zero-based counting */
 955
 956         if (sid > 0) {
 957                 --sid;
 958         }
 959
 960         boost::shared_ptr<Processor> p = r->nth_send (sid);
 961
 962         if (p) {
 963                 boost::shared_ptr<Send> s = boost::dynamic_pointer_cast<Send>(p);
 964                 boost::shared_ptr<Amp> a = s->amp();
 965
 966                 if (a) {
 967                         a->set_gain (dB_to_coefficient (val), this);
 968                 }
 969         }
 970         return 0;
 971 }
 972
 973 int
 974 OSC::route_plugin_parameter (int rid, int piid, int par, float val)
 975 {
 976         if (!session) {
 977                 return -1;
 978         }
 979
 980         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
 981
 982         if (!r) {
 983                 return -1;
 984         }
 985
 986         boost::shared_ptr<Processor> redi=r->nth_processor (piid);
 987
 988         if (!redi) {
 989                 return -1;
 990         }
 991
 992         boost::shared_ptr<PluginInsert> pi;
 993
 994         if (!(pi = boost::dynamic_pointer_cast<PluginInsert>(redi))) {
 995                 return -1;
 996         }
 997
 998         boost::shared_ptr<ARDOUR::Plugin> pip = pi->plugin();
 999         bool ok=false;
1000
1001         uint32_t controlid = pip->nth_parameter (par,ok);
1002
1003         if (!ok) {
1004                 return -1;
1005         }
1006
1007         Plugin::ParameterDescriptor pd;
1008         pi->plugin()->get_parameter_descriptor (controlid,pd);
1009
1010         if (val >= pd.lower && val < pd.upper) {
1011
1012                 boost::shared_ptr<AutomationControl> c = pi->automation_control (Evoral::Parameter(PluginAutomation, 0, controlid));;
1013                 cerr << "parameter:" << redi->describe_parameter(controlid) << " val:" << val << "\n";
1014                 c->set_value (val);
1015         }
1016
1017         return 0;
1018 }
1019
1020 int
1021 OSC::route_plugin_parameter_print (int rid, int piid, int par)
1022 {
1023         if (!session) {
1024                 return -1;
1025         }
1026
1027         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
1028
1029         if (!r) {
1030                 return -1;
1031         }
1032
1033         boost::shared_ptr<Processor> redi=r->nth_processor (piid);
1034
1035         if (!redi) {
1036                 return -1;
1037         }
1038
1039         boost::shared_ptr<PluginInsert> pi;
1040
1041         if (!(pi = boost::dynamic_pointer_cast<PluginInsert>(redi))) {
1042                 return -1;
1043         }
1044
1045         boost::shared_ptr<ARDOUR::Plugin> pip = pi->plugin();
1046         bool ok=false;
1047
1048         uint32_t controlid = pip->nth_parameter (par,ok);
1049
1050         if (!ok) {
1051                 return -1;
1052         }
1053
1054         Plugin::ParameterDescriptor pd;
1055
1056         if (pi->plugin()->get_parameter_descriptor (controlid, pd) == 0) {
1057                 boost::shared_ptr<AutomationControl> c = pi->automation_control (Evoral::Parameter(PluginAutomation, 0, controlid));
1058
1059                 cerr << "parameter:     " << redi->describe_parameter(controlid)  << "\n";
1060                 cerr << "current value: " << c->get_value ();
1061                 cerr << "lower value:   " << pd.lower << "\n";
1062                 cerr << "upper value:   " << pd.upper << "\n";
1063         }
1064
1065         return 0;
1066 }
1067
1068 XMLNode&
1069 OSC::get_state ()
1070 {
1071         XMLNode& node (ControlProtocol::get_state());
1072
1073         node.add_property (X_("feedback"), _send_route_changes ? "1" : "0");
1074         return node;
1075 }
1076
1077 int
1078 OSC::set_state (const XMLNode& node, int /*version*/)
1079 {
1080         const XMLProperty* prop = node.property (X_("feedback"));
1081
1082         if (prop) {
1083                 if (PBD::string_is_affirmative (prop->value())) {
1084                         _send_route_changes = true;
1085                 } else {
1086                         _send_route_changes = false;
1087                 }
1088         } else {
1089                 /* leave it alone */
1090         }
1091
1092         return 0;
1093 }