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 #include <boost/signals2.hpp>
  33
  34 #include <pbd/pthread_utils.h>
  35 #include <pbd/file_utils.h>
  36 #include <pbd/filesystem.h>
  37 #include <pbd/failed_constructor.h>
  38
  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
  48 #include "osc.h"
  49 #include "osc_controllable.h"
  50 #include "osc_route_observer.h"
  51 #include "i18n.h"
  52
  53 using namespace ARDOUR;
  54 using namespace std;
  55 using namespace Glib;
  56
  57 #include "pbd/abstract_ui.cc" // instantiate template
  58
  59 #define ui_bind(f, ...) boost::protect (boost::bind (f, __VA_ARGS__))
  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, "OSC", this)
  77         , AbstractUI<OSCUIRequest> ("osc")
  78         , _port(port)
  79 {
  80         _instance = this;
  81         _shutdown = false;
  82         _osc_server = 0;
  83         _osc_unix_server = 0;
  84         _namespace_root = "/ardour";
  85         _send_route_changes = true;
  86
  87         /* glibmm hack */
  88         local_server = 0;
  89         remote_server = 0;
  90
  91         // "Application Hooks"
  92         session_loaded (s);
  93         session->Exported.connect (*this, MISSING_INVALIDATOR, ui_bind (&OSC::session_exported, this, _1, _2), this);
  94 }
  95
  96 OSC::~OSC()
  97 {
  98         stop ();
  99         _instance = 0;
 100 }
 101
 102 void
 103 OSC::do_request (OSCUIRequest* req)
 104 {
 105         if (req->type == CallSlot) {
 106
 107                 call_slot (MISSING_INVALIDATOR, req->the_slot);
 108
 109         } else if (req->type == Quit) {
 110
 111                 stop ();
 112         }
 113 }
 114
 115 int
 116 OSC::set_active (bool yn)
 117 {
 118         if (yn) {
 119                 return start ();
 120         } else {
 121                 return stop ();
 122         }
 123 }
 124
 125 bool
 126 OSC::get_active () const
 127 {
 128         return _osc_server != 0;
 129 }
 130
 131 int
 132 OSC::set_feedback (bool yn)
 133 {
 134         _send_route_changes = yn;
 135         return 0;
 136 }
 137
 138 bool
 139 OSC::get_feedback () const
 140 {
 141         return _send_route_changes;
 142 }
 143
 144 int
 145 OSC::start ()
 146 {
 147         char tmpstr[255];
 148
 149         if (_osc_server) {
 150                 /* already started */
 151                 return 0;
 152         }
 153
 154         for (int j=0; j < 20; ++j) {
 155                 snprintf(tmpstr, sizeof(tmpstr), "%d", _port);
 156
 157                 //if ((_osc_server = lo_server_new_with_proto (tmpstr, LO_TCP, error_callback))) {
 158                 //      break;
 159                 //}
 160
 161                 if ((_osc_server = lo_server_new (tmpstr, error_callback))) {
 162                         break;
 163                 }
 164
 165 #ifdef DEBUG
 166                 cerr << "can't get osc at port: " << _port << endl;
 167 #endif
 168                 _port++;
 169                 continue;
 170         }
 171
 172 #ifdef ARDOUR_OSC_UNIX_SERVER
 173
 174         // APPEARS sluggish for now
 175
 176         // attempt to create unix socket server too
 177
 178         snprintf(tmpstr, sizeof(tmpstr), "/tmp/sooperlooper_XXXXXX");
 179         int fd = mkstemp(tmpstr);
 180
 181         if (fd >= 0 ) {
 182                 unlink (tmpstr);
 183                 close (fd);
 184
 185                 _osc_unix_server = lo_server_new (tmpstr, error_callback);
 186
 187                 if (_osc_unix_server) {
 188                         _osc_unix_socket_path = tmpstr;
 189                 }
 190         }
 191 #endif
 192
 193         cerr << "OSC @ " << get_server_url () << endl;
 194
 195         PBD::sys::path url_file;
 196
 197         if (find_file_in_search_path (ardour_search_path() + system_config_search_path(),
 198                                       "osc_url", url_file)) {
 199
 200                 _osc_url_file = url_file.to_string();
 201                 ofstream urlfile;
 202                 urlfile.open(_osc_url_file.c_str(), ios::trunc);
 203
 204                 if (urlfile) {
 205                         urlfile << get_server_url () << endl;
 206                         urlfile.close();
 207                 } else {
 208                         cerr << "Couldn't write '" <<  _osc_url_file << "'" <<endl;
 209                 }
 210         }
 211
 212         register_callbacks();
 213
 214         // lo_server_thread_add_method(_sthread, NULL, NULL, OSC::_dummy_handler, this);
 215
 216         /* startup the event loop thread */
 217
 218         BaseUI::run ();
 219
 220         return 0;
 221 }
 222
 223 void
 224 OSC::thread_init ()
 225 {
 226         pthread_set_name (X_("OSC"));
 227
 228         if (_osc_unix_server) {
 229                 Glib::RefPtr<IOSource> src = IOSource::create (lo_server_get_socket_fd (_osc_unix_server), IO_IN|IO_HUP|IO_ERR);
 230                 src->connect (sigc::bind (sigc::mem_fun (*this, &OSC::osc_input_handler), _osc_unix_server));
 231                 src->attach (_main_loop->get_context());
 232                 local_server = src->gobj();
 233                 g_source_ref (local_server);
 234         }
 235
 236         if (_osc_server) {
 237                 Glib::RefPtr<IOSource> src  = IOSource::create (lo_server_get_socket_fd (_osc_server), IO_IN|IO_HUP|IO_ERR);
 238                 src->connect (sigc::bind (sigc::mem_fun (*this, &OSC::osc_input_handler), _osc_server));
 239                 src->attach (_main_loop->get_context());
 240                 remote_server = src->gobj();
 241                 g_source_ref (remote_server);
 242         }
 243
 244         PBD::notify_gui_about_thread_creation (X_("gui"), pthread_self(), X_("OSC"), 2048);
 245         SessionEvent::create_per_thread_pool (X_("OSC"), 128);
 246 }
 247
 248 int
 249 OSC::stop ()
 250 {
 251         /* stop main loop */
 252
 253         if (local_server) {
 254                 g_source_destroy (local_server);
 255                 g_source_unref (local_server);
 256                 local_server = 0;
 257         }
 258
 259         if (remote_server) {
 260                 g_source_destroy (remote_server);
 261                 g_source_unref (remote_server);
 262                 remote_server = 0;
 263         }
 264
 265         BaseUI::quit ();
 266
 267         if (_osc_server) {
 268                 int fd = lo_server_get_socket_fd(_osc_server);
 269                 if (fd >=0) {
 270                         close(fd);
 271                 }
 272                 lo_server_free (_osc_server);
 273                 _osc_server = 0;
 274         }
 275
 276         if (_osc_unix_server) {
 277                 int fd = lo_server_get_socket_fd(_osc_unix_server);
 278                 if (fd >=0) {
 279                         close(fd);
 280                 }
 281                 lo_server_free (_osc_unix_server);
 282                 _osc_unix_server = 0;
 283         }
 284
 285         if (!_osc_unix_socket_path.empty()) {
 286                 unlink (_osc_unix_socket_path.c_str());
 287         }
 288
 289         if (!_osc_url_file.empty() ) {
 290                 unlink (_osc_url_file.c_str() );
 291         }
 292
 293         // Delete any active route observers
 294         for (RouteObservers::iterator x = route_observers.begin(); x != route_observers.end();) {
 295
 296                 OSCRouteObserver* rc;
 297
 298                 if ((rc = dynamic_cast<OSCRouteObserver*>(*x)) != 0) {
 299                         delete *x;
 300                         x = route_observers.erase (x);
 301                 } else {
 302                         ++x;
 303                 }
 304         }
 305
 306         return 0;
 307 }
 308
 309 void
 310 OSC::register_callbacks()
 311 {
 312         lo_server srvs[2];
 313         lo_server serv;
 314
 315         srvs[0] = _osc_server;
 316         srvs[1] = _osc_unix_server;
 317
 318         for (size_t i = 0; i < 2; ++i) {
 319
 320                 if (!srvs[i]) {
 321                         continue;
 322                 }
 323
 324                 serv = srvs[i];
 325
 326                 /* this is a special catchall handler */
 327
 328                 lo_server_add_method (serv, 0, 0, _catchall, this);
 329
 330 #define REGISTER_CALLBACK(serv,path,types, function) lo_server_add_method (serv, path, types, OSC::_ ## function, this)
 331
 332                 REGISTER_CALLBACK (serv, "/routes/list", "", routes_list);
 333                 REGISTER_CALLBACK (serv, "/ardour/add_marker", "", add_marker);
 334                 REGISTER_CALLBACK (serv, "/ardour/access_action", "s", access_action);
 335                 REGISTER_CALLBACK (serv, "/ardour/loop_toggle", "", loop_toggle);
 336                 REGISTER_CALLBACK (serv, "/ardour/goto_start", "", goto_start);
 337                 REGISTER_CALLBACK (serv, "/ardour/goto_end", "", goto_end);
 338                 REGISTER_CALLBACK (serv, "/ardour/rewind", "", rewind);
 339                 REGISTER_CALLBACK (serv, "/ardour/ffwd", "", ffwd);
 340                 REGISTER_CALLBACK (serv, "/ardour/transport_stop", "", transport_stop);
 341                 REGISTER_CALLBACK (serv, "/ardour/transport_play", "", transport_play);
 342                 REGISTER_CALLBACK (serv, "/ardour/transport_frame", "", transport_frame);
 343                 REGISTER_CALLBACK (serv, "/ardour/set_transport_speed", "f", set_transport_speed);
 344                 REGISTER_CALLBACK (serv, "/ardour/locate", "ii", locate);
 345                 REGISTER_CALLBACK (serv, "/ardour/save_state", "", save_state);
 346                 REGISTER_CALLBACK (serv, "/ardour/prev_marker", "", prev_marker);
 347                 REGISTER_CALLBACK (serv, "/ardour/next_marker", "", next_marker);
 348                 REGISTER_CALLBACK (serv, "/ardour/undo", "", undo);
 349                 REGISTER_CALLBACK (serv, "/ardour/redo", "", redo);
 350                 REGISTER_CALLBACK (serv, "/ardour/toggle_punch_in", "", toggle_punch_in);
 351                 REGISTER_CALLBACK (serv, "/ardour/toggle_punch_out", "", toggle_punch_out);
 352                 REGISTER_CALLBACK (serv, "/ardour/rec_enable_toggle", "", rec_enable_toggle);
 353                 REGISTER_CALLBACK (serv, "/ardour/toggle_all_rec_enables", "", toggle_all_rec_enables);
 354
 355                 REGISTER_CALLBACK (serv, "/ardour/routes/mute", "ii", route_mute);
 356                 REGISTER_CALLBACK (serv, "/ardour/routes/solo", "ii", route_solo);
 357                 REGISTER_CALLBACK (serv, "/ardour/routes/recenable", "ii", route_recenable);
 358                 REGISTER_CALLBACK (serv, "/ardour/routes/gainabs", "if", route_set_gain_abs);
 359                 REGISTER_CALLBACK (serv, "/ardour/routes/gaindB", "if", route_set_gain_dB);
 360                 REGISTER_CALLBACK (serv, "/ardour/routes/pan_stereo_position", "if", route_set_pan_stereo_position);
 361                 REGISTER_CALLBACK (serv, "/ardour/routes/pan_stereo_width", "if", route_set_pan_stereo_width);
 362                 REGISTER_CALLBACK (serv, "/ardour/routes/plugin/parameter", "iiif", route_plugin_parameter);
 363                 REGISTER_CALLBACK (serv, "/ardour/routes/plugin/parameter/print", "iii", route_plugin_parameter_print);
 364
 365
 366
 367                 /* still not-really-standardized query interface */
 368                 //REGISTER_CALLBACK (serv, "/ardour/*/#current_value", "", current_value);
 369                 //REGISTER_CALLBACK (serv, "/ardour/set", "", set);
 370
 371                 // un/register_update args= s:ctrl s:returl s:retpath
 372                 //lo_server_add_method(serv, "/register_update", "sss", OSC::global_register_update_handler, this);
 373                 //lo_server_add_method(serv, "/unregister_update", "sss", OSC::global_unregister_update_handler, this);
 374                 //lo_server_add_method(serv, "/register_auto_update", "siss", OSC::global_register_auto_update_handler, this);
 375                 //lo_server_add_method(serv, "/unregister_auto_update", "sss", OSC::_global_unregister_auto_update_handler, this);
 376
 377         }
 378 }
 379
 380 bool
 381 OSC::osc_input_handler (IOCondition ioc, lo_server srv)
 382 {
 383         if (ioc & ~IO_IN) {
 384                 return false;
 385         }
 386
 387         if (ioc & IO_IN) {
 388                 lo_server_recv (srv);
 389         }
 390
 391         return true;
 392 }
 393
 394 std::string
 395 OSC::get_server_url()
 396 {
 397         string url;
 398         char * urlstr;
 399
 400         if (_osc_server) {
 401                 urlstr = lo_server_get_url (_osc_server);
 402                 url = urlstr;
 403                 free (urlstr);
 404         }
 405
 406         return url;
 407 }
 408
 409 std::string
 410 OSC::get_unix_server_url()
 411 {
 412         string url;
 413         char * urlstr;
 414
 415         if (_osc_unix_server) {
 416                 urlstr = lo_server_get_url (_osc_unix_server);
 417                 url = urlstr;
 418                 free (urlstr);
 419         }
 420
 421         return url;
 422 }
 423
 424 void
 425 OSC::listen_to_route (boost::shared_ptr<Route> route, lo_address addr)
 426 {
 427         /* avoid duplicate listens */
 428
 429         for (RouteObservers::iterator x = route_observers.begin(); x != route_observers.end(); ++x) {
 430
 431                 OSCRouteObserver* ro;
 432
 433                 if ((ro = dynamic_cast<OSCRouteObserver*>(*x)) != 0) {
 434
 435                         int res = strcmp(lo_address_get_hostname(ro->address()), lo_address_get_hostname(addr));
 436
 437                         if (ro->route() == route && res == 0) {
 438                                 return;
 439                         }
 440                 }
 441         }
 442
 443         OSCRouteObserver* o = new OSCRouteObserver (route, addr);
 444         route_observers.push_back (o);
 445
 446         route->DropReferences.connect (*this, MISSING_INVALIDATOR, boost::bind (&OSC::drop_route, this, boost::weak_ptr<Route> (route)), this);
 447 }
 448
 449 void
 450 OSC::drop_route (boost::weak_ptr<Route> wr)
 451 {
 452         boost::shared_ptr<Route> r = wr.lock ();
 453
 454         if (!r) {
 455                 return;
 456         }
 457
 458         for (RouteObservers::iterator x = route_observers.begin(); x != route_observers.end();) {
 459
 460                 OSCRouteObserver* rc;
 461
 462                 if ((rc = dynamic_cast<OSCRouteObserver*>(*x)) != 0) {
 463
 464                         if (rc->route() == r) {
 465                                 delete *x;
 466                                 x = route_observers.erase (x);
 467                         } else {
 468                                 ++x;
 469                         }
 470                 } else {
 471                         ++x;
 472                 }
 473         }
 474 }
 475
 476 void
 477 OSC::end_listen (boost::shared_ptr<Route> r, lo_address addr)
 478 {
 479         RouteObservers::iterator x;
 480
 481         // Remove the route observers
 482         for (x = route_observers.begin(); x != route_observers.end();) {
 483
 484                 OSCRouteObserver* ro;
 485
 486                 if ((ro = dynamic_cast<OSCRouteObserver*>(*x)) != 0) {
 487
 488                         int res = strcmp(lo_address_get_hostname(ro->address()), lo_address_get_hostname(addr));
 489
 490                         if (ro->route() == r && res == 0) {
 491                                 delete *x;
 492                                 x = route_observers.erase (x);
 493                         }
 494                         else {
 495                                 ++x;
 496                         }
 497                 }
 498                 else {
 499                         ++x;
 500                 }
 501         }
 502 }
 503
 504 void
 505 OSC::current_value_query (const char* path, size_t len, lo_arg **argv, int argc, lo_message msg)
 506 {
 507         char* subpath;
 508
 509         subpath = (char*) malloc (len-15+1);
 510         memcpy (subpath, path, len-15);
 511         subpath[len-15] = '\0';
 512
 513         send_current_value (subpath, argv, argc, msg);
 514
 515         free (subpath);
 516 }
 517
 518 void
 519 OSC::send_current_value (const char* path, lo_arg** argv, int argc, lo_message msg)
 520 {
 521         if (!session) {
 522                 return;
 523         }
 524
 525         lo_message reply = lo_message_new ();
 526         boost::shared_ptr<Route> r;
 527         int id;
 528
 529         lo_message_add_string (reply, path);
 530
 531         if (argc == 0) {
 532                 lo_message_add_string (reply, "bad syntax");
 533         } else {
 534                 id = argv[0]->i;
 535                 r = session->route_by_remote_id (id);
 536
 537                 if (!r) {
 538                         lo_message_add_string (reply, "not found");
 539                 } else {
 540
 541                         if (strcmp (path, "/routes/state") == 0) {
 542
 543                                 if (boost::dynamic_pointer_cast<AudioTrack>(r)) {
 544                                         lo_message_add_string (reply, "AT");
 545                                 } else if (boost::dynamic_pointer_cast<MidiTrack>(r)) {
 546                                         lo_message_add_string (reply, "MT");
 547                                 } else {
 548                                         lo_message_add_string (reply, "B");
 549                                 }
 550
 551                                 lo_message_add_string (reply, r->name().c_str());
 552                                 lo_message_add_int32 (reply, r->n_inputs().n_audio());
 553                                 lo_message_add_int32 (reply, r->n_outputs().n_audio());
 554                                 lo_message_add_int32 (reply, r->muted());
 555                                 lo_message_add_int32 (reply, r->soloed());
 556
 557                         } else if (strcmp (path, "/routes/mute") == 0) {
 558
 559                                 lo_message_add_int32 (reply, (float) r->muted());
 560
 561                         } else if (strcmp (path, "/routes/solo") == 0) {
 562
 563                                 lo_message_add_int32 (reply, r->soloed());
 564                         }
 565                 }
 566         }
 567
 568         lo_send_message (lo_message_get_source (msg), "#reply", reply);
 569         lo_message_free (reply);
 570 }
 571
 572 int
 573 OSC::_catchall (const char *path, const char *types, lo_arg **argv, int argc, void *data, void *user_data)
 574 {
 575         return ((OSC*)user_data)->catchall (path, types, argv, argc, data);
 576 }
 577
 578 int
 579 OSC::catchall (const char *path, const char *types, lo_arg **argv, int argc, lo_message msg)
 580 {
 581         size_t len;
 582         int ret = 1; /* unhandled */
 583
 584         //cerr << "Received a message, path = " << path << " types = \""
 585         //     << (types ? types : "NULL") << '"' << endl;
 586
 587         /* 15 for /#current_value plus 2 for /<path> */
 588
 589         len = strlen (path);
 590
 591         if (len >= 17 && !strcmp (&path[len-15], "/#current_value")) {
 592                 current_value_query (path, len, argv, argc, msg);
 593                 ret = 0;
 594
 595         } else if (strcmp (path, "/routes/listen") == 0) {
 596
 597                 cerr << "set up listener\n";
 598
 599                 lo_message reply = lo_message_new ();
 600
 601                 if (argc <= 0) {
 602                         lo_message_add_string (reply, "syntax error");
 603                 } else {
 604                         for (int n = 0; n < argc; ++n) {
 605
 606                                 boost::shared_ptr<Route> r = session->route_by_remote_id (argv[n]->i);
 607
 608                                 if (!r) {
 609                                         lo_message_add_string (reply, "not found");
 610                                         cerr << "no such route\n";
 611                                         break;
 612                                 } else {
 613                                         cerr << "add listener\n";
 614                                         listen_to_route (r, lo_message_get_source (msg));
 615                                         lo_message_add_int32 (reply, argv[n]->i);
 616                                 }
 617                         }
 618                 }
 619
 620                 lo_send_message (lo_message_get_source (msg), "#reply", reply);
 621                 lo_message_free (reply);
 622
 623                 ret = 0;
 624
 625         } else if (strcmp (path, "/routes/ignore") == 0) {
 626
 627                 for (int n = 0; n < argc; ++n) {
 628
 629                         boost::shared_ptr<Route> r = session->route_by_remote_id (argv[n]->i);
 630
 631                         if (r) {
 632                                 end_listen (r, lo_message_get_source (msg));
 633                         }
 634                 }
 635
 636                 ret = 0;
 637         }
 638
 639         return ret;
 640 }
 641
 642 void
 643 OSC::update_clock ()
 644 {
 645
 646 }
 647
 648 // "Application Hook" Handlers //
 649 void
 650 OSC::session_loaded (Session& s)
 651 {
 652         lo_address listener = lo_address_new (NULL, "7770");
 653         lo_send (listener, "/session/loaded", "ss", s.path().c_str(), s.name().c_str());
 654 }
 655
 656 void
 657 OSC::session_exported (std::string path, std::string name)
 658 {
 659         lo_address listener = lo_address_new (NULL, "7770");
 660         lo_send (listener, "/session/exported", "ss", path.c_str(), name.c_str());
 661 }
 662
 663 // end "Application Hook" Handlers //
 664
 665 /* path callbacks */
 666
 667 int
 668 OSC::current_value (const char */*path*/, const char */*types*/, lo_arg **/*argv*/, int /*argc*/, void */*data*/, void* /*user_data*/)
 669 {
 670 #if 0
 671         const char* returl;
 672
 673         if (argc < 3 || types == 0 || strlen (types) < 3 || types[0] != 's' || types[1] != 's' || types[2] != s) {
 674                 return 1;
 675         }
 676
 677         const char *returl = argv[1]->s;
 678         lo_address addr = find_or_cache_addr (returl);
 679
 680         const char *retpath = argv[2]->s;
 681
 682
 683         if (strcmp (argv[0]->s, "transport_frame") == 0) {
 684
 685                 if (session) {
 686                         lo_send (addr, retpath, "i", session->transport_frame());
 687                 }
 688
 689         } else if (strcmp (argv[0]->s, "transport_speed") == 0) {
 690
 691                 if (session) {
 692                         lo_send (addr, retpath, "i", session->transport_frame());
 693                 }
 694
 695         } else if (strcmp (argv[0]->s, "transport_locked") == 0) {
 696
 697                 if (session) {
 698                         lo_send (addr, retpath, "i", session->transport_frame());
 699                 }
 700
 701         } else if (strcmp (argv[0]->s, "punch_in") == 0) {
 702
 703                 if (session) {
 704                         lo_send (addr, retpath, "i", session->transport_frame());
 705                 }
 706
 707         } else if (strcmp (argv[0]->s, "punch_out") == 0) {
 708
 709                 if (session) {
 710                         lo_send (addr, retpath, "i", session->transport_frame());
 711                 }
 712
 713         } else if (strcmp (argv[0]->s, "rec_enable") == 0) {
 714
 715                 if (session) {
 716                         lo_send (addr, retpath, "i", session->transport_frame());
 717                 }
 718
 719         } else {
 720
 721                 /* error */
 722         }
 723 #endif
 724         return 0;
 725 }
 726
 727 void
 728 OSC::routes_list (lo_message msg)
 729 {
 730         for (int n = 0; n < (int) session->nroutes(); ++n) {
 731
 732                 boost::shared_ptr<Route> r = session->route_by_remote_id (n);
 733
 734                 if (r) {
 735
 736                         lo_message reply = lo_message_new ();
 737
 738                         if (boost::dynamic_pointer_cast<AudioTrack>(r)) {
 739                                 lo_message_add_string (reply, "AT");
 740                         } else if (boost::dynamic_pointer_cast<MidiTrack>(r)) {
 741                                 lo_message_add_string (reply, "MT");
 742                         } else {
 743                                 lo_message_add_string (reply, "B");
 744                         }
 745
 746                         lo_message_add_string (reply, r->name().c_str());
 747                         lo_message_add_int32 (reply, r->n_inputs().n_audio());
 748                         lo_message_add_int32 (reply, r->n_outputs().n_audio());
 749                         lo_message_add_int32 (reply, r->muted());
 750                         lo_message_add_int32 (reply, r->soloed());
 751                         lo_message_add_int32 (reply, r->remote_control_id());
 752
 753                         if (boost::dynamic_pointer_cast<AudioTrack>(r)
 754                                 || boost::dynamic_pointer_cast<MidiTrack>(r)) {
 755
 756                                 boost::shared_ptr<Track> t = boost::dynamic_pointer_cast<Track>(r);
 757                                 lo_message_add_int32 (reply, t->record_enabled());
 758                         }
 759
 760                         //Automatically listen to routes listed
 761                         listen_to_route(r, lo_message_get_source (msg));
 762
 763                         lo_send_message (lo_message_get_source (msg), "#reply", reply);
 764                         lo_message_free (reply);
 765                 }
 766         }
 767
 768         // Send end of listing message
 769         lo_message reply = lo_message_new ();
 770
 771         lo_message_add_string (reply, "end_route_list");
 772         lo_message_add_int64 (reply, session->frame_rate());
 773         lo_message_add_int64 (reply, session->current_end_frame());
 774
 775         lo_send_message (lo_message_get_source (msg), "#reply", reply);
 776
 777         lo_message_free (reply);
 778 }
 779
 780 void
 781 OSC::transport_frame (lo_message msg)
 782 {
 783                 framepos_t pos = session->transport_frame ();
 784
 785                 lo_message reply = lo_message_new ();
 786                 lo_message_add_int64 (reply, pos);
 787
 788                 lo_send_message (lo_message_get_source (msg), "/ardour/transport_frame", reply);
 789
 790                 lo_message_free (reply);
 791 }
 792
 793 int
 794 OSC::route_mute (int rid, int yn)
 795 {
 796         if (!session) return -1;
 797
 798         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
 799
 800         if (r) {
 801                 r->set_mute (yn, this);
 802         }
 803
 804         return 0;
 805 }
 806
 807 int
 808 OSC::route_solo (int rid, int yn)
 809 {
 810         if (!session) return -1;
 811
 812         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
 813
 814         if (r) {
 815                 r->set_solo (yn, this);
 816         }
 817
 818         return 0;
 819 }
 820
 821 int
 822 OSC::route_recenable (int rid, int yn)
 823 {
 824         if (!session) return -1;
 825
 826         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
 827
 828         if (r) {
 829                 r->set_record_enabled (yn, this);
 830         }
 831
 832         return 0;
 833 }
 834
 835 int
 836 OSC::route_set_gain_abs (int rid, float level)
 837 {
 838         if (!session) return -1;
 839
 840         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
 841
 842         if (r) {
 843                 r->set_gain (level, this);
 844         }
 845
 846         return 0;
 847 }
 848
 849 int
 850 OSC::route_set_gain_dB (int rid, float dB)
 851 {
 852         if (!session) return -1;
 853
 854         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
 855
 856         if (r) {
 857                 r->set_gain (dB_to_coefficient (dB), this);
 858         }
 859
 860         return 0;
 861 }
 862
 863 int
 864 OSC::route_set_pan_stereo_position (int rid, float pos)
 865 {
 866         if (!session) return -1;
 867
 868         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
 869
 870         if (r) {
 871                 boost::shared_ptr<Panner> panner = r->panner();
 872                 if (panner) {
 873                         panner->set_position (pos);
 874                 }
 875         }
 876
 877         return 0;
 878
 879 }
 880
 881 int
 882 OSC::route_set_pan_stereo_width (int rid, float pos)
 883 {
 884         if (!session) return -1;
 885
 886         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
 887
 888         if (r) {
 889                 boost::shared_ptr<Panner> panner = r->panner();
 890                 if (panner) {
 891                         panner->set_width (pos);
 892                 }
 893         }
 894
 895         return 0;
 896
 897 }
 898
 899 int
 900 OSC::route_plugin_parameter (int rid, int piid, int par, float val)
 901 {
 902         if (!session) {
 903                 return -1;
 904         }
 905
 906         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
 907
 908         if (!r) {
 909                 return -1;
 910         }
 911
 912         boost::shared_ptr<Processor> redi=r->nth_processor (piid);
 913
 914         if (!redi) {
 915                 return -1;
 916         }
 917
 918         boost::shared_ptr<PluginInsert> pi;
 919
 920         if (!(pi = boost::dynamic_pointer_cast<PluginInsert>(redi))) {
 921                 return -1;
 922         }
 923
 924         boost::shared_ptr<ARDOUR::Plugin> pip = pi->plugin();
 925         bool ok=false;
 926
 927         uint32_t controlid = pip->nth_parameter (par,ok);
 928
 929         if (!ok) {
 930                 return -1;
 931         }
 932
 933         Plugin::ParameterDescriptor pd;
 934         pi->plugin()->get_parameter_descriptor (controlid,pd);
 935
 936         if (val >= pd.lower && val < pd.upper) {
 937
 938                 boost::shared_ptr<AutomationControl> c = pi->automation_control (Evoral::Parameter(PluginAutomation, 0, controlid));;
 939                 cerr << "parameter:" << redi->describe_parameter(controlid) << " val:" << val << "\n";
 940                 c->set_value (val);
 941         }
 942
 943         return 0;
 944 }
 945
 946 int
 947 OSC::route_plugin_parameter_print (int rid, int piid, int par)
 948 {
 949         if (!session) {
 950                 return -1;
 951         }
 952
 953         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
 954
 955         if (!r) {
 956                 return -1;
 957         }
 958
 959         boost::shared_ptr<Processor> redi=r->nth_processor (piid);
 960
 961         if (!redi) {
 962                 return -1;
 963         }
 964
 965         boost::shared_ptr<PluginInsert> pi;
 966
 967         if (!(pi = boost::dynamic_pointer_cast<PluginInsert>(redi))) {
 968                 return -1;
 969         }
 970
 971         boost::shared_ptr<ARDOUR::Plugin> pip = pi->plugin();
 972         bool ok=false;
 973
 974         uint32_t controlid = pip->nth_parameter (par,ok);
 975
 976         if (!ok) {
 977                 return -1;
 978         }
 979
 980         Plugin::ParameterDescriptor pd;
 981
 982         if (pi->plugin()->get_parameter_descriptor (controlid, pd) == 0) {
 983                 boost::shared_ptr<AutomationControl> c = pi->automation_control (Evoral::Parameter(PluginAutomation, 0, controlid));
 984
 985                 cerr << "parameter:     " << redi->describe_parameter(controlid)  << "\n";
 986                 cerr << "current value: " << c->get_value ();
 987                 cerr << "lower value:   " << pd.lower << "\n";
 988                 cerr << "upper value:   " << pd.upper << "\n";
 989         }
 990
 991         return 0;
 992 }
 993
 994 XMLNode&
 995 OSC::get_state ()
 996 {
 997         return *(new XMLNode ("OSC"));
 998 }
 999
1000 int
1001 OSC::set_state (const XMLNode&, int /*version*/)
1002 {
1003         return 0;
1004 }