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