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/amp.h"
  38 #include "ardour/session.h"
  39 #include "ardour/route.h"
  40 #include "ardour/audio_track.h"
  41 #include "ardour/midi_track.h"
  42 #include "ardour/dB.h"
  43 #include "ardour/filesystem_paths.h"
  44 #include "ardour/panner.h"
  45 #include "ardour/plugin.h"
  46 #include "ardour/send.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 OSC* OSC::_instance = 0;
  60
  61 #ifdef DEBUG
  62 static void error_callback(int num, const char *m, const char *path)
  63 {
  64         fprintf(stderr, "liblo server error %d in path %s: %s\n", num, path, m);
  65 }
  66 #else
  67 static void error_callback(int, const char *, const char *)
  68 {
  69
  70 }
  71 #endif
  72
  73 OSC::OSC (Session& s, uint32_t port)
  74         : ControlProtocol (s, "OSC")
  75         , AbstractUI<OSCUIRequest> ("osc")
  76         , _port(port)
  77 {
  78         _instance = this;
  79         _shutdown = false;
  80         _osc_server = 0;
  81         _osc_unix_server = 0;
  82         _namespace_root = "/ardour";
  83         _send_route_changes = true;
  84
  85         /* glibmm hack */
  86         local_server = 0;
  87         remote_server = 0;
  88
  89         // "Application Hooks"
  90         session_loaded (s);
  91         session->Exported.connect (*this, MISSING_INVALIDATOR, boost::bind (&OSC::session_exported, this, _1, _2), this);
  92 }
  93
  94 OSC::~OSC()
  95 {
  96         stop ();
  97         _instance = 0;
  98 }
  99
 100 void
 101 OSC::do_request (OSCUIRequest* req)
 102 {
 103         if (req->type == CallSlot) {
 104
 105                 call_slot (MISSING_INVALIDATOR, req->the_slot);
 106
 107         } else if (req->type == Quit) {
 108
 109                 stop ();
 110         }
 111 }
 112
 113 int
 114 OSC::set_active (bool yn)
 115 {
 116         if (yn) {
 117                 return start ();
 118         } else {
 119                 return stop ();
 120         }
 121 }
 122
 123 bool
 124 OSC::get_active () const
 125 {
 126         return _osc_server != 0;
 127 }
 128
 129 int
 130 OSC::set_feedback (bool yn)
 131 {
 132         _send_route_changes = yn;
 133         return 0;
 134 }
 135
 136 bool
 137 OSC::get_feedback () const
 138 {
 139         return _send_route_changes;
 140 }
 141
 142 int
 143 OSC::start ()
 144 {
 145         char tmpstr[255];
 146
 147         if (_osc_server) {
 148                 /* already started */
 149                 return 0;
 150         }
 151
 152         for (int j=0; j < 20; ++j) {
 153                 snprintf(tmpstr, sizeof(tmpstr), "%d", _port);
 154
 155                 //if ((_osc_server = lo_server_new_with_proto (tmpstr, LO_TCP, error_callback))) {
 156                 //      break;
 157                 //}
 158
 159                 if ((_osc_server = lo_server_new (tmpstr, error_callback))) {
 160                         break;
 161                 }
 162
 163 #ifdef DEBUG
 164                 cerr << "can't get osc at port: " << _port << endl;
 165 #endif
 166                 _port++;
 167                 continue;
 168         }
 169
 170 #ifdef ARDOUR_OSC_UNIX_SERVER
 171
 172         // APPEARS sluggish for now
 173
 174         // attempt to create unix socket server too
 175
 176         snprintf(tmpstr, sizeof(tmpstr), "/tmp/sooperlooper_XXXXXX");
 177         int fd = mkstemp(tmpstr);
 178
 179         if (fd >= 0 ) {
 180                 unlink (tmpstr);
 181                 close (fd);
 182
 183                 _osc_unix_server = lo_server_new (tmpstr, error_callback);
 184
 185                 if (_osc_unix_server) {
 186                         _osc_unix_socket_path = tmpstr;
 187                 }
 188         }
 189 #endif
 190
 191         PBD::info << "OSC @ " << get_server_url () << endmsg;
 192
 193         std::string url_file;
 194
 195         if (find_file_in_search_path (ardour_config_search_path(), "osc_url", url_file)) {
 196
 197                 _osc_url_file = url_file;
 198                 ofstream urlfile;
 199                 urlfile.open(_osc_url_file.c_str(), ios::trunc);
 200
 201                 if (urlfile) {
 202                         urlfile << get_server_url () << endl;
 203                         urlfile.close();
 204                 } else {
 205                         cerr << "Couldn't write '" <<  _osc_url_file << "'" <<endl;
 206                 }
 207         }
 208
 209         register_callbacks();
 210
 211         // lo_server_thread_add_method(_sthread, NULL, NULL, OSC::_dummy_handler, this);
 212
 213         /* startup the event loop thread */
 214
 215         BaseUI::run ();
 216
 217         return 0;
 218 }
 219
 220 void
 221 OSC::thread_init ()
 222 {
 223         pthread_set_name (X_("OSC"));
 224
 225         if (_osc_unix_server) {
 226                 Glib::RefPtr<IOSource> src = IOSource::create (lo_server_get_socket_fd (_osc_unix_server), IO_IN|IO_HUP|IO_ERR);
 227                 src->connect (sigc::bind (sigc::mem_fun (*this, &OSC::osc_input_handler), _osc_unix_server));
 228                 src->attach (_main_loop->get_context());
 229                 local_server = src->gobj();
 230                 g_source_ref (local_server);
 231         }
 232
 233         if (_osc_server) {
 234                 Glib::RefPtr<IOSource> src  = IOSource::create (lo_server_get_socket_fd (_osc_server), IO_IN|IO_HUP|IO_ERR);
 235                 src->connect (sigc::bind (sigc::mem_fun (*this, &OSC::osc_input_handler), _osc_server));
 236                 src->attach (_main_loop->get_context());
 237                 remote_server = src->gobj();
 238                 g_source_ref (remote_server);
 239         }
 240
 241         PBD::notify_gui_about_thread_creation (X_("gui"), pthread_self(), X_("OSC"), 2048);
 242         SessionEvent::create_per_thread_pool (X_("OSC"), 128);
 243 }
 244
 245 int
 246 OSC::stop ()
 247 {
 248         /* stop main loop */
 249
 250         if (local_server) {
 251                 g_source_destroy (local_server);
 252                 g_source_unref (local_server);
 253                 local_server = 0;
 254         }
 255
 256         if (remote_server) {
 257                 g_source_destroy (remote_server);
 258                 g_source_unref (remote_server);
 259                 remote_server = 0;
 260         }
 261
 262         BaseUI::quit ();
 263
 264         if (_osc_server) {
 265                 int fd = lo_server_get_socket_fd(_osc_server);
 266                 if (fd >=0) {
 267                         close(fd);
 268                 }
 269                 lo_server_free (_osc_server);
 270                 _osc_server = 0;
 271         }
 272
 273         if (_osc_unix_server) {
 274                 int fd = lo_server_get_socket_fd(_osc_unix_server);
 275                 if (fd >=0) {
 276                         close(fd);
 277                 }
 278                 lo_server_free (_osc_unix_server);
 279                 _osc_unix_server = 0;
 280         }
 281
 282         if (!_osc_unix_socket_path.empty()) {
 283                 unlink (_osc_unix_socket_path.c_str());
 284         }
 285
 286         if (!_osc_url_file.empty() ) {
 287                 unlink (_osc_url_file.c_str() );
 288         }
 289
 290         // Delete any active route observers
 291         for (RouteObservers::iterator x = route_observers.begin(); x != route_observers.end();) {
 292
 293                 OSCRouteObserver* rc;
 294
 295                 if ((rc = dynamic_cast<OSCRouteObserver*>(*x)) != 0) {
 296                         delete *x;
 297                         x = route_observers.erase (x);
 298                 } else {
 299                         ++x;
 300                 }
 301         }
 302
 303         return 0;
 304 }
 305
 306 void
 307 OSC::register_callbacks()
 308 {
 309         lo_server srvs[2];
 310         lo_server serv;
 311
 312         srvs[0] = _osc_server;
 313         srvs[1] = _osc_unix_server;
 314
 315         for (size_t i = 0; i < 2; ++i) {
 316
 317                 if (!srvs[i]) {
 318                         continue;
 319                 }
 320
 321                 serv = srvs[i];
 322
 323                 /* this is a special catchall handler */
 324
 325                 lo_server_add_method (serv, 0, 0, _catchall, this);
 326
 327 #define REGISTER_CALLBACK(serv,path,types, function) lo_server_add_method (serv, path, types, OSC::_ ## function, this)
 328
 329                 REGISTER_CALLBACK (serv, "/routes/list", "", routes_list);
 330                 REGISTER_CALLBACK (serv, "/ardour/add_marker", "", add_marker);
 331                 REGISTER_CALLBACK (serv, "/ardour/access_action", "s", access_action);
 332                 REGISTER_CALLBACK (serv, "/ardour/loop_toggle", "", loop_toggle);
 333                 REGISTER_CALLBACK (serv, "/ardour/goto_start", "", goto_start);
 334                 REGISTER_CALLBACK (serv, "/ardour/goto_end", "", goto_end);
 335                 REGISTER_CALLBACK (serv, "/ardour/rewind", "", rewind);
 336                 REGISTER_CALLBACK (serv, "/ardour/ffwd", "", ffwd);
 337                 REGISTER_CALLBACK (serv, "/ardour/transport_stop", "", transport_stop);
 338                 REGISTER_CALLBACK (serv, "/ardour/transport_play", "", transport_play);
 339                 REGISTER_CALLBACK (serv, "/ardour/transport_frame", "", transport_frame);
 340                 REGISTER_CALLBACK (serv, "/ardour/set_transport_speed", "f", set_transport_speed);
 341                 REGISTER_CALLBACK (serv, "/ardour/locate", "ii", locate);
 342                 REGISTER_CALLBACK (serv, "/ardour/save_state", "", save_state);
 343                 REGISTER_CALLBACK (serv, "/ardour/prev_marker", "", prev_marker);
 344                 REGISTER_CALLBACK (serv, "/ardour/next_marker", "", next_marker);
 345                 REGISTER_CALLBACK (serv, "/ardour/undo", "", undo);
 346                 REGISTER_CALLBACK (serv, "/ardour/redo", "", redo);
 347                 REGISTER_CALLBACK (serv, "/ardour/toggle_punch_in", "", toggle_punch_in);
 348                 REGISTER_CALLBACK (serv, "/ardour/toggle_punch_out", "", toggle_punch_out);
 349                 REGISTER_CALLBACK (serv, "/ardour/rec_enable_toggle", "", rec_enable_toggle);
 350                 REGISTER_CALLBACK (serv, "/ardour/toggle_all_rec_enables", "", toggle_all_rec_enables);
 351
 352                 REGISTER_CALLBACK (serv, "/ardour/routes/mute", "ii", route_mute);
 353                 REGISTER_CALLBACK (serv, "/ardour/routes/solo", "ii", route_solo);
 354                 REGISTER_CALLBACK (serv, "/ardour/routes/recenable", "ii", route_recenable);
 355                 REGISTER_CALLBACK (serv, "/ardour/routes/gainabs", "if", route_set_gain_abs);
 356                 REGISTER_CALLBACK (serv, "/ardour/routes/gaindB", "if", route_set_gain_dB);
 357                 REGISTER_CALLBACK (serv, "/ardour/routes/pan_stereo_position", "if", route_set_pan_stereo_position);
 358                 REGISTER_CALLBACK (serv, "/ardour/routes/pan_stereo_width", "if", route_set_pan_stereo_width);
 359                 REGISTER_CALLBACK (serv, "/ardour/routes/plugin/parameter", "iiif", route_plugin_parameter);
 360                 REGISTER_CALLBACK (serv, "/ardour/routes/plugin/parameter/print", "iii", route_plugin_parameter_print);
 361                 REGISTER_CALLBACK (serv, "/ardour/routes/send/gainabs", "iif", route_set_send_gain_abs);
 362                 REGISTER_CALLBACK (serv, "/ardour/routes/send/gaindB", "iif", route_set_send_gain_dB);
 363
 364                 /* still not-really-standardized query interface */
 365                 //REGISTER_CALLBACK (serv, "/ardour/*/#current_value", "", current_value);
 366                 //REGISTER_CALLBACK (serv, "/ardour/set", "", set);
 367
 368                 // un/register_update args= s:ctrl s:returl s:retpath
 369                 //lo_server_add_method(serv, "/register_update", "sss", OSC::global_register_update_handler, this);
 370                 //lo_server_add_method(serv, "/unregister_update", "sss", OSC::global_unregister_update_handler, this);
 371                 //lo_server_add_method(serv, "/register_auto_update", "siss", OSC::global_register_auto_update_handler, this);
 372                 //lo_server_add_method(serv, "/unregister_auto_update", "sss", OSC::_global_unregister_auto_update_handler, this);
 373
 374         }
 375 }
 376
 377 bool
 378 OSC::osc_input_handler (IOCondition ioc, lo_server srv)
 379 {
 380         if (ioc & ~IO_IN) {
 381                 return false;
 382         }
 383
 384         if (ioc & IO_IN) {
 385                 lo_server_recv (srv);
 386         }
 387
 388         return true;
 389 }
 390
 391 std::string
 392 OSC::get_server_url()
 393 {
 394         string url;
 395         char * urlstr;
 396
 397         if (_osc_server) {
 398                 urlstr = lo_server_get_url (_osc_server);
 399                 url = urlstr;
 400                 free (urlstr);
 401         }
 402
 403         return url;
 404 }
 405
 406 std::string
 407 OSC::get_unix_server_url()
 408 {
 409         string url;
 410         char * urlstr;
 411
 412         if (_osc_unix_server) {
 413                 urlstr = lo_server_get_url (_osc_unix_server);
 414                 url = urlstr;
 415                 free (urlstr);
 416         }
 417
 418         return url;
 419 }
 420
 421 void
 422 OSC::listen_to_route (boost::shared_ptr<Route> route, lo_address addr)
 423 {
 424         /* avoid duplicate listens */
 425
 426         for (RouteObservers::iterator x = route_observers.begin(); x != route_observers.end(); ++x) {
 427
 428                 OSCRouteObserver* ro;
 429
 430                 if ((ro = dynamic_cast<OSCRouteObserver*>(*x)) != 0) {
 431
 432                         int res = strcmp(lo_address_get_hostname(ro->address()), lo_address_get_hostname(addr));
 433
 434                         if (ro->route() == route && res == 0) {
 435                                 return;
 436                         }
 437                 }
 438         }
 439
 440         OSCRouteObserver* o = new OSCRouteObserver (route, addr);
 441         route_observers.push_back (o);
 442
 443         route->DropReferences.connect (*this, MISSING_INVALIDATOR, boost::bind (&OSC::drop_route, this, boost::weak_ptr<Route> (route)), this);
 444 }
 445
 446 void
 447 OSC::drop_route (boost::weak_ptr<Route> wr)
 448 {
 449         boost::shared_ptr<Route> r = wr.lock ();
 450
 451         if (!r) {
 452                 return;
 453         }
 454
 455         for (RouteObservers::iterator x = route_observers.begin(); x != route_observers.end();) {
 456
 457                 OSCRouteObserver* rc;
 458
 459                 if ((rc = dynamic_cast<OSCRouteObserver*>(*x)) != 0) {
 460
 461                         if (rc->route() == r) {
 462                                 delete *x;
 463                                 x = route_observers.erase (x);
 464                         } else {
 465                                 ++x;
 466                         }
 467                 } else {
 468                         ++x;
 469                 }
 470         }
 471 }
 472
 473 void
 474 OSC::end_listen (boost::shared_ptr<Route> r, lo_address addr)
 475 {
 476         RouteObservers::iterator x;
 477
 478         // Remove the route observers
 479         for (x = route_observers.begin(); x != route_observers.end();) {
 480
 481                 OSCRouteObserver* ro;
 482
 483                 if ((ro = dynamic_cast<OSCRouteObserver*>(*x)) != 0) {
 484
 485                         int res = strcmp(lo_address_get_hostname(ro->address()), lo_address_get_hostname(addr));
 486
 487                         if (ro->route() == r && res == 0) {
 488                                 delete *x;
 489                                 x = route_observers.erase (x);
 490                         }
 491                         else {
 492                                 ++x;
 493                         }
 494                 }
 495                 else {
 496                         ++x;
 497                 }
 498         }
 499 }
 500
 501 void
 502 OSC::current_value_query (const char* path, size_t len, lo_arg **argv, int argc, lo_message msg)
 503 {
 504         char* subpath;
 505
 506         subpath = (char*) malloc (len-15+1);
 507         memcpy (subpath, path, len-15);
 508         subpath[len-15] = '\0';
 509
 510         send_current_value (subpath, argv, argc, msg);
 511
 512         free (subpath);
 513 }
 514
 515 void
 516 OSC::send_current_value (const char* path, lo_arg** argv, int argc, lo_message msg)
 517 {
 518         if (!session) {
 519                 return;
 520         }
 521
 522         lo_message reply = lo_message_new ();
 523         boost::shared_ptr<Route> r;
 524         int id;
 525
 526         lo_message_add_string (reply, path);
 527
 528         if (argc == 0) {
 529                 lo_message_add_string (reply, "bad syntax");
 530         } else {
 531                 id = argv[0]->i;
 532                 r = session->route_by_remote_id (id);
 533
 534                 if (!r) {
 535                         lo_message_add_string (reply, "not found");
 536                 } else {
 537
 538                         if (strcmp (path, "/routes/state") == 0) {
 539
 540                                 if (boost::dynamic_pointer_cast<AudioTrack>(r)) {
 541                                         lo_message_add_string (reply, "AT");
 542                                 } else if (boost::dynamic_pointer_cast<MidiTrack>(r)) {
 543                                         lo_message_add_string (reply, "MT");
 544                                 } else {
 545                                         lo_message_add_string (reply, "B");
 546                                 }
 547
 548                                 lo_message_add_string (reply, r->name().c_str());
 549                                 lo_message_add_int32 (reply, r->n_inputs().n_audio());
 550                                 lo_message_add_int32 (reply, r->n_outputs().n_audio());
 551                                 lo_message_add_int32 (reply, r->muted());
 552                                 lo_message_add_int32 (reply, r->soloed());
 553
 554                         } else if (strcmp (path, "/routes/mute") == 0) {
 555
 556                                 lo_message_add_int32 (reply, (float) r->muted());
 557
 558                         } else if (strcmp (path, "/routes/solo") == 0) {
 559
 560                                 lo_message_add_int32 (reply, r->soloed());
 561                         }
 562                 }
 563         }
 564
 565         lo_send_message (lo_message_get_source (msg), "#reply", reply);
 566         lo_message_free (reply);
 567 }
 568
 569 int
 570 OSC::_catchall (const char *path, const char *types, lo_arg **argv, int argc, void *data, void *user_data)
 571 {
 572         return ((OSC*)user_data)->catchall (path, types, argv, argc, data);
 573 }
 574
 575 int
 576 OSC::catchall (const char *path, const char* /*types*/, lo_arg **argv, int argc, lo_message msg)
 577 {
 578         size_t len;
 579         int ret = 1; /* unhandled */
 580
 581         //cerr << "Received a message, path = " << path << " types = \""
 582         //     << (types ? types : "NULL") << '"' << endl;
 583
 584         /* 15 for /#current_value plus 2 for /<path> */
 585
 586         len = strlen (path);
 587
 588         if (len >= 17 && !strcmp (&path[len-15], "/#current_value")) {
 589                 current_value_query (path, len, argv, argc, msg);
 590                 ret = 0;
 591
 592         } else if (strcmp (path, "/routes/listen") == 0) {
 593
 594                 cerr << "set up listener\n";
 595
 596                 lo_message reply = lo_message_new ();
 597
 598                 if (argc <= 0) {
 599                         lo_message_add_string (reply, "syntax error");
 600                 } else {
 601                         for (int n = 0; n < argc; ++n) {
 602
 603                                 boost::shared_ptr<Route> r = session->route_by_remote_id (argv[n]->i);
 604
 605                                 if (!r) {
 606                                         lo_message_add_string (reply, "not found");
 607                                         cerr << "no such route\n";
 608                                         break;
 609                                 } else {
 610                                         cerr << "add listener\n";
 611                                         listen_to_route (r, lo_message_get_source (msg));
 612                                         lo_message_add_int32 (reply, argv[n]->i);
 613                                 }
 614                         }
 615                 }
 616
 617                 lo_send_message (lo_message_get_source (msg), "#reply", reply);
 618                 lo_message_free (reply);
 619
 620                 ret = 0;
 621
 622         } else if (strcmp (path, "/routes/ignore") == 0) {
 623
 624                 for (int n = 0; n < argc; ++n) {
 625
 626                         boost::shared_ptr<Route> r = session->route_by_remote_id (argv[n]->i);
 627
 628                         if (r) {
 629                                 end_listen (r, lo_message_get_source (msg));
 630                         }
 631                 }
 632
 633                 ret = 0;
 634         }
 635
 636         return ret;
 637 }
 638
 639 void
 640 OSC::update_clock ()
 641 {
 642
 643 }
 644
 645 // "Application Hook" Handlers //
 646 void
 647 OSC::session_loaded (Session& s)
 648 {
 649         lo_address listener = lo_address_new (NULL, "7770");
 650         lo_send (listener, "/session/loaded", "ss", s.path().c_str(), s.name().c_str());
 651 }
 652
 653 void
 654 OSC::session_exported (std::string path, std::string name)
 655 {
 656         lo_address listener = lo_address_new (NULL, "7770");
 657         lo_send (listener, "/session/exported", "ss", path.c_str(), name.c_str());
 658 }
 659
 660 // end "Application Hook" Handlers //
 661
 662 /* path callbacks */
 663
 664 int
 665 OSC::current_value (const char */*path*/, const char */*types*/, lo_arg **/*argv*/, int /*argc*/, void */*data*/, void* /*user_data*/)
 666 {
 667 #if 0
 668         const char* returl;
 669
 670         if (argc < 3 || types == 0 || strlen (types) < 3 || types[0] != 's' || types[1] != 's' || types[2] != s) {
 671                 return 1;
 672         }
 673
 674         const char *returl = argv[1]->s;
 675         lo_address addr = find_or_cache_addr (returl);
 676
 677         const char *retpath = argv[2]->s;
 678
 679
 680         if (strcmp (argv[0]->s, "transport_frame") == 0) {
 681
 682                 if (session) {
 683                         lo_send (addr, retpath, "i", session->transport_frame());
 684                 }
 685
 686         } else if (strcmp (argv[0]->s, "transport_speed") == 0) {
 687
 688                 if (session) {
 689                         lo_send (addr, retpath, "i", session->transport_frame());
 690                 }
 691
 692         } else if (strcmp (argv[0]->s, "transport_locked") == 0) {
 693
 694                 if (session) {
 695                         lo_send (addr, retpath, "i", session->transport_frame());
 696                 }
 697
 698         } else if (strcmp (argv[0]->s, "punch_in") == 0) {
 699
 700                 if (session) {
 701                         lo_send (addr, retpath, "i", session->transport_frame());
 702                 }
 703
 704         } else if (strcmp (argv[0]->s, "punch_out") == 0) {
 705
 706                 if (session) {
 707                         lo_send (addr, retpath, "i", session->transport_frame());
 708                 }
 709
 710         } else if (strcmp (argv[0]->s, "rec_enable") == 0) {
 711
 712                 if (session) {
 713                         lo_send (addr, retpath, "i", session->transport_frame());
 714                 }
 715
 716         } else {
 717
 718                 /* error */
 719         }
 720 #endif
 721         return 0;
 722 }
 723
 724 void
 725 OSC::routes_list (lo_message msg)
 726 {
 727         for (int n = 0; n < (int) session->nroutes(); ++n) {
 728
 729                 boost::shared_ptr<Route> r = session->route_by_remote_id (n);
 730
 731                 if (r) {
 732
 733                         lo_message reply = lo_message_new ();
 734
 735                         if (boost::dynamic_pointer_cast<AudioTrack>(r)) {
 736                                 lo_message_add_string (reply, "AT");
 737                         } else if (boost::dynamic_pointer_cast<MidiTrack>(r)) {
 738                                 lo_message_add_string (reply, "MT");
 739                         } else {
 740                                 lo_message_add_string (reply, "B");
 741                         }
 742
 743                         lo_message_add_string (reply, r->name().c_str());
 744                         lo_message_add_int32 (reply, r->n_inputs().n_audio());
 745                         lo_message_add_int32 (reply, r->n_outputs().n_audio());
 746                         lo_message_add_int32 (reply, r->muted());
 747                         lo_message_add_int32 (reply, r->soloed());
 748                         lo_message_add_int32 (reply, r->remote_control_id());
 749
 750                         if (boost::dynamic_pointer_cast<AudioTrack>(r)
 751                                 || boost::dynamic_pointer_cast<MidiTrack>(r)) {
 752
 753                                 boost::shared_ptr<Track> t = boost::dynamic_pointer_cast<Track>(r);
 754                                 lo_message_add_int32 (reply, t->record_enabled());
 755                         }
 756
 757                         //Automatically listen to routes listed
 758                         listen_to_route(r, lo_message_get_source (msg));
 759
 760                         lo_send_message (lo_message_get_source (msg), "#reply", reply);
 761                         lo_message_free (reply);
 762                 }
 763         }
 764
 765         // Send end of listing message
 766         lo_message reply = lo_message_new ();
 767
 768         lo_message_add_string (reply, "end_route_list");
 769         lo_message_add_int64 (reply, session->frame_rate());
 770         lo_message_add_int64 (reply, session->current_end_frame());
 771
 772         lo_send_message (lo_message_get_source (msg), "#reply", reply);
 773
 774         lo_message_free (reply);
 775 }
 776
 777 void
 778 OSC::transport_frame (lo_message msg)
 779 {
 780                 framepos_t pos = session->transport_frame ();
 781
 782                 lo_message reply = lo_message_new ();
 783                 lo_message_add_int64 (reply, pos);
 784
 785                 lo_send_message (lo_message_get_source (msg), "/ardour/transport_frame", reply);
 786
 787                 lo_message_free (reply);
 788 }
 789
 790 int
 791 OSC::route_mute (int rid, int yn)
 792 {
 793         if (!session) return -1;
 794
 795         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
 796
 797         if (r) {
 798                 r->set_mute (yn, this);
 799         }
 800
 801         return 0;
 802 }
 803
 804 int
 805 OSC::route_solo (int rid, int yn)
 806 {
 807         if (!session) return -1;
 808
 809         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
 810
 811         if (r) {
 812                 r->set_solo (yn, this);
 813         }
 814
 815         return 0;
 816 }
 817
 818 int
 819 OSC::route_recenable (int rid, int yn)
 820 {
 821         if (!session) return -1;
 822
 823         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
 824
 825         if (r) {
 826                 r->set_record_enabled (yn, this);
 827         }
 828
 829         return 0;
 830 }
 831
 832 int
 833 OSC::route_set_gain_abs (int rid, float level)
 834 {
 835         if (!session) return -1;
 836
 837         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
 838
 839         if (r) {
 840                 r->set_gain (level, this);
 841         }
 842
 843         return 0;
 844 }
 845
 846 int
 847 OSC::route_set_gain_dB (int rid, float dB)
 848 {
 849         if (!session) return -1;
 850
 851         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
 852
 853         if (r) {
 854                 r->set_gain (dB_to_coefficient (dB), this);
 855         }
 856
 857         return 0;
 858 }
 859
 860 int
 861 OSC::route_set_pan_stereo_position (int rid, float pos)
 862 {
 863         if (!session) return -1;
 864
 865         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
 866
 867         if (r) {
 868                 boost::shared_ptr<Panner> panner = r->panner();
 869                 if (panner) {
 870                         panner->set_position (pos);
 871                 }
 872         }
 873
 874         return 0;
 875
 876 }
 877
 878 int
 879 OSC::route_set_pan_stereo_width (int rid, float pos)
 880 {
 881         if (!session) return -1;
 882
 883         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
 884
 885         if (r) {
 886                 boost::shared_ptr<Panner> panner = r->panner();
 887                 if (panner) {
 888                         panner->set_width (pos);
 889                 }
 890         }
 891
 892         return 0;
 893
 894 }
 895
 896 int
 897 OSC::route_set_send_gain_abs (int rid, int sid, float val)
 898 {
 899         if (!session) {
 900                 return -1;
 901         }
 902
 903         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
 904
 905         if (!r) {
 906                 return -1;
 907         }
 908
 909         /* revert to zero-based counting */
 910
 911         if (sid > 0) {
 912                 --sid;
 913         }
 914
 915         boost::shared_ptr<Processor> p = r->nth_send (sid);
 916
 917         if (p) {
 918                 boost::shared_ptr<Send> s = boost::dynamic_pointer_cast<Send>(p);
 919                 boost::shared_ptr<Amp> a = s->amp();
 920
 921                 if (a) {
 922                         a->set_gain (val, this);
 923                 }
 924         }
 925         return 0;
 926 }
 927
 928 int
 929 OSC::route_set_send_gain_dB (int rid, int sid, float val)
 930 {
 931         if (!session) {
 932                 return -1;
 933         }
 934
 935         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
 936
 937         if (!r) {
 938                 return -1;
 939         }
 940
 941         /* revert to zero-based counting */
 942
 943         if (sid > 0) {
 944                 --sid;
 945         }
 946
 947         boost::shared_ptr<Processor> p = r->nth_send (sid);
 948
 949         if (p) {
 950                 boost::shared_ptr<Send> s = boost::dynamic_pointer_cast<Send>(p);
 951                 boost::shared_ptr<Amp> a = s->amp();
 952
 953                 if (a) {
 954                         a->set_gain (dB_to_coefficient (val), this);
 955                 }
 956         }
 957         return 0;
 958 }
 959
 960 int
 961 OSC::route_plugin_parameter (int rid, int piid, int par, float val)
 962 {
 963         if (!session) {
 964                 return -1;
 965         }
 966
 967         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
 968
 969         if (!r) {
 970                 return -1;
 971         }
 972
 973         boost::shared_ptr<Processor> redi=r->nth_processor (piid);
 974
 975         if (!redi) {
 976                 return -1;
 977         }
 978
 979         boost::shared_ptr<PluginInsert> pi;
 980
 981         if (!(pi = boost::dynamic_pointer_cast<PluginInsert>(redi))) {
 982                 return -1;
 983         }
 984
 985         boost::shared_ptr<ARDOUR::Plugin> pip = pi->plugin();
 986         bool ok=false;
 987
 988         uint32_t controlid = pip->nth_parameter (par,ok);
 989
 990         if (!ok) {
 991                 return -1;
 992         }
 993
 994         Plugin::ParameterDescriptor pd;
 995         pi->plugin()->get_parameter_descriptor (controlid,pd);
 996
 997         if (val >= pd.lower && val < pd.upper) {
 998
 999                 boost::shared_ptr<AutomationControl> c = pi->automation_control (Evoral::Parameter(PluginAutomation, 0, controlid));;
1000                 cerr << "parameter:" << redi->describe_parameter(controlid) << " val:" << val << "\n";
1001                 c->set_value (val);
1002         }
1003
1004         return 0;
1005 }
1006
1007 int
1008 OSC::route_plugin_parameter_print (int rid, int piid, int par)
1009 {
1010         if (!session) {
1011                 return -1;
1012         }
1013
1014         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
1015
1016         if (!r) {
1017                 return -1;
1018         }
1019
1020         boost::shared_ptr<Processor> redi=r->nth_processor (piid);
1021
1022         if (!redi) {
1023                 return -1;
1024         }
1025
1026         boost::shared_ptr<PluginInsert> pi;
1027
1028         if (!(pi = boost::dynamic_pointer_cast<PluginInsert>(redi))) {
1029                 return -1;
1030         }
1031
1032         boost::shared_ptr<ARDOUR::Plugin> pip = pi->plugin();
1033         bool ok=false;
1034
1035         uint32_t controlid = pip->nth_parameter (par,ok);
1036
1037         if (!ok) {
1038                 return -1;
1039         }
1040
1041         Plugin::ParameterDescriptor pd;
1042
1043         if (pi->plugin()->get_parameter_descriptor (controlid, pd) == 0) {
1044                 boost::shared_ptr<AutomationControl> c = pi->automation_control (Evoral::Parameter(PluginAutomation, 0, controlid));
1045
1046                 cerr << "parameter:     " << redi->describe_parameter(controlid)  << "\n";
1047                 cerr << "current value: " << c->get_value ();
1048                 cerr << "lower value:   " << pd.lower << "\n";
1049                 cerr << "upper value:   " << pd.upper << "\n";
1050         }
1051
1052         return 0;
1053 }
1054
1055 XMLNode&
1056 OSC::get_state ()
1057 {
1058         XMLNode* node = new XMLNode ("Protocol");
1059
1060         node->add_property (X_("name"), "Open Sound Control (OSC)");
1061         node->add_property (X_("feedback"), _send_route_changes ? "1" : "0");
1062
1063         return *node;
1064 }
1065
1066 int
1067 OSC::set_state (const XMLNode&, int /*version*/)
1068 {
1069         return 0;
1070 }