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 <cstdio>
  21 #include <cstdlib>
  22 #include <cerrno>
  23 #include <algorithm>
  24
  25 #include <unistd.h>
  26 #include <fcntl.h>
  27
  28 #include <pbd/gstdio_compat.h>
  29 #include <glibmm/miscutils.h>
  30
  31 #include <pbd/convert.h>
  32 #include <pbd/pthread_utils.h>
  33 #include <pbd/file_utils.h>
  34 #include <pbd/failed_constructor.h>
  35
  36 #include "ardour/amp.h"
  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 #include "ardour/plugin_insert.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 using namespace ArdourSurface;
  57
  58 #include "pbd/abstract_ui.cc" // instantiate template
  59
  60 OSC* OSC::_instance = 0;
  61
  62 #ifdef DEBUG
  63 static void error_callback(int num, const char *m, const char *path)
  64 {
  65         fprintf(stderr, "liblo server error %d in path %s: %s\n", num, path, m);
  66 }
  67 #else
  68 static void error_callback(int, const char *, const char *)
  69 {
  70
  71 }
  72 #endif
  73
  74 OSC::OSC (Session& s, uint32_t port)
  75         : ControlProtocol (s, X_("Open Sound Control (OSC)"))
  76         , AbstractUI<OSCUIRequest> ("osc")
  77         , local_server (0)
  78         , remote_server (0)
  79         , _port(port)
  80         , _ok (true)
  81         , _shutdown (false)
  82         , _osc_server (0)
  83         , _osc_unix_server (0)
  84         , _namespace_root ("/ardour")
  85         , _send_route_changes (true)
  86 {
  87         _instance = this;
  88
  89         session_loaded (s);
  90         session->Exported.connect (*this, MISSING_INVALIDATOR, boost::bind (&OSC::session_exported, this, _1, _2), this);
  91 }
  92
  93 OSC::~OSC()
  94 {
  95         stop ();
  96         _instance = 0;
  97 }
  98
  99 void
 100 OSC::do_request (OSCUIRequest* req)
 101 {
 102         if (req->type == CallSlot) {
 103
 104                 call_slot (MISSING_INVALIDATOR, req->the_slot);
 105
 106         } else if (req->type == Quit) {
 107
 108                 stop ();
 109         }
 110 }
 111
 112 int
 113 OSC::set_active (bool yn)
 114 {
 115         if (yn != active()) {
 116
 117                 if (yn) {
 118                         if (start ()) {
 119                                 return -1;
 120                         }
 121                 } else {
 122                         if (stop ()) {
 123                                 return -1;
 124                         }
 125                 }
 126
 127         }
 128
 129         return ControlProtocol::set_active (yn);
 130 }
 131
 132 bool
 133 OSC::get_active () const
 134 {
 135         return _osc_server != 0;
 136 }
 137
 138 int
 139 OSC::set_feedback (bool yn)
 140 {
 141         _send_route_changes = yn;
 142         return 0;
 143 }
 144
 145 bool
 146 OSC::get_feedback () const
 147 {
 148         return _send_route_changes;
 149 }
 150
 151 int
 152 OSC::start ()
 153 {
 154         char tmpstr[255];
 155
 156         if (_osc_server) {
 157                 /* already started */
 158                 return 0;
 159         }
 160
 161         for (int j=0; j < 20; ++j) {
 162                 snprintf(tmpstr, sizeof(tmpstr), "%d", _port);
 163
 164                 //if ((_osc_server = lo_server_new_with_proto (tmpstr, LO_TCP, error_callback))) {
 165                 //      break;
 166                 //}
 167
 168                 if ((_osc_server = lo_server_new (tmpstr, error_callback))) {
 169                         break;
 170                 }
 171
 172 #ifdef DEBUG
 173                 cerr << "can't get osc at port: " << _port << endl;
 174 #endif
 175                 _port++;
 176                 continue;
 177         }
 178
 179         if (!_osc_server) {
 180                 return 1;
 181         }
 182
 183 #ifdef ARDOUR_OSC_UNIX_SERVER
 184
 185         // APPEARS sluggish for now
 186
 187         // attempt to create unix socket server too
 188
 189         snprintf(tmpstr, sizeof(tmpstr), "/tmp/sooperlooper_XXXXXX");
 190         int fd = mkstemp(tmpstr);
 191
 192         if (fd >= 0 ) {
 193                 ::g_unlink (tmpstr);
 194                 close (fd);
 195
 196                 _osc_unix_server = lo_server_new (tmpstr, error_callback);
 197
 198                 if (_osc_unix_server) {
 199                         _osc_unix_socket_path = tmpstr;
 200                 }
 201         }
 202 #endif
 203
 204         PBD::info << "OSC @ " << get_server_url () << endmsg;
 205
 206         std::string url_file;
 207
 208         if (find_file (ardour_config_search_path(), "osc_url", url_file)) {
 209                 _osc_url_file = url_file;
 210                 if (g_file_set_contents (_osc_url_file.c_str(), get_server_url().c_str(), -1, NULL)) {
 211                         cerr << "Couldn't write '" <<  _osc_url_file << "'" <<endl;
 212                 }
 213         }
 214
 215         register_callbacks();
 216
 217         // lo_server_thread_add_method(_sthread, NULL, NULL, OSC::_dummy_handler, this);
 218
 219         /* startup the event loop thread */
 220
 221         BaseUI::run ();
 222
 223         return 0;
 224 }
 225
 226 void
 227 OSC::thread_init ()
 228 {
 229         pthread_set_name (X_("OSC"));
 230
 231         if (_osc_unix_server) {
 232                 Glib::RefPtr<IOSource> src = IOSource::create (lo_server_get_socket_fd (_osc_unix_server), IO_IN|IO_HUP|IO_ERR);
 233                 src->connect (sigc::bind (sigc::mem_fun (*this, &OSC::osc_input_handler), _osc_unix_server));
 234                 src->attach (_main_loop->get_context());
 235                 local_server = src->gobj();
 236                 g_source_ref (local_server);
 237         }
 238
 239         if (_osc_server) {
 240                 Glib::RefPtr<IOSource> src  = IOSource::create (lo_server_get_socket_fd (_osc_server), IO_IN|IO_HUP|IO_ERR);
 241                 src->connect (sigc::bind (sigc::mem_fun (*this, &OSC::osc_input_handler), _osc_server));
 242                 src->attach (_main_loop->get_context());
 243                 remote_server = src->gobj();
 244                 g_source_ref (remote_server);
 245         }
 246
 247         PBD::notify_gui_about_thread_creation (X_("gui"), pthread_self(), X_("OSC"), 2048);
 248         SessionEvent::create_per_thread_pool (X_("OSC"), 128);
 249 }
 250
 251 int
 252 OSC::stop ()
 253 {
 254         /* stop main loop */
 255
 256         if (local_server) {
 257                 g_source_destroy (local_server);
 258                 g_source_unref (local_server);
 259                 local_server = 0;
 260         }
 261
 262         if (remote_server) {
 263                 g_source_destroy (remote_server);
 264                 g_source_unref (remote_server);
 265                 remote_server = 0;
 266         }
 267
 268         BaseUI::quit ();
 269
 270         if (_osc_server) {
 271                 lo_server_free (_osc_server);
 272                 _osc_server = 0;
 273         }
 274
 275         if (_osc_unix_server) {
 276                 lo_server_free (_osc_unix_server);
 277                 _osc_unix_server = 0;
 278         }
 279
 280         if (!_osc_unix_socket_path.empty()) {
 281                 ::g_unlink (_osc_unix_socket_path.c_str());
 282         }
 283
 284         if (!_osc_url_file.empty() ) {
 285                 ::g_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/loop_location", "ii", loop_location);
 332                 REGISTER_CALLBACK (serv, "/ardour/goto_start", "", goto_start);
 333                 REGISTER_CALLBACK (serv, "/ardour/goto_end", "", goto_end);
 334                 REGISTER_CALLBACK (serv, "/ardour/rewind", "", rewind);
 335                 REGISTER_CALLBACK (serv, "/ardour/ffwd", "", ffwd);
 336                 REGISTER_CALLBACK (serv, "/ardour/transport_stop", "", transport_stop);
 337                 REGISTER_CALLBACK (serv, "/ardour/transport_play", "", transport_play);
 338                 REGISTER_CALLBACK (serv, "/ardour/transport_frame", "", transport_frame);
 339                 REGISTER_CALLBACK (serv, "/ardour/set_transport_speed", "f", set_transport_speed);
 340                 REGISTER_CALLBACK (serv, "/ardour/locate", "ii", locate);
 341                 REGISTER_CALLBACK (serv, "/ardour/save_state", "", save_state);
 342                 REGISTER_CALLBACK (serv, "/ardour/prev_marker", "", prev_marker);
 343                 REGISTER_CALLBACK (serv, "/ardour/next_marker", "", next_marker);
 344                 REGISTER_CALLBACK (serv, "/ardour/undo", "", undo);
 345                 REGISTER_CALLBACK (serv, "/ardour/redo", "", redo);
 346                 REGISTER_CALLBACK (serv, "/ardour/toggle_punch_in", "", toggle_punch_in);
 347                 REGISTER_CALLBACK (serv, "/ardour/toggle_punch_out", "", toggle_punch_out);
 348                 REGISTER_CALLBACK (serv, "/ardour/rec_enable_toggle", "", rec_enable_toggle);
 349                 REGISTER_CALLBACK (serv, "/ardour/toggle_all_rec_enables", "", toggle_all_rec_enables);
 350
 351                 REGISTER_CALLBACK (serv, "/ardour/routes/mute", "ii", route_mute);
 352                 REGISTER_CALLBACK (serv, "/ardour/routes/solo", "ii", route_solo);
 353                 REGISTER_CALLBACK (serv, "/ardour/routes/recenable", "ii", route_recenable);
 354                 REGISTER_CALLBACK (serv, "/ardour/routes/gainabs", "if", route_set_gain_abs);
 355                 REGISTER_CALLBACK (serv, "/ardour/routes/gaindB", "if", route_set_gain_dB);
 356                 REGISTER_CALLBACK (serv, "/ardour/routes/trimabs", "if", route_set_trim_abs);
 357                 REGISTER_CALLBACK (serv, "/ardour/routes/trimdB", "if", route_set_trim_dB);
 358                 REGISTER_CALLBACK (serv, "/ardour/routes/pan_stereo_position", "if", route_set_pan_stereo_position);
 359                 REGISTER_CALLBACK (serv, "/ardour/routes/pan_stereo_width", "if", route_set_pan_stereo_width);
 360                 REGISTER_CALLBACK (serv, "/ardour/routes/plugin/parameter", "iiif", route_plugin_parameter);
 361                 REGISTER_CALLBACK (serv, "/ardour/routes/plugin/parameter/print", "iii", route_plugin_parameter_print);
 362                 REGISTER_CALLBACK (serv, "/ardour/routes/send/gainabs", "iif", route_set_send_gain_abs);
 363                 REGISTER_CALLBACK (serv, "/ardour/routes/send/gaindB", "iif", route_set_send_gain_dB);
 364
 365                 /* still not-really-standardized query interface */
 366                 //REGISTER_CALLBACK (serv, "/ardour/*/#current_value", "", current_value);
 367                 //REGISTER_CALLBACK (serv, "/ardour/set", "", set);
 368
 369                 // un/register_update args= s:ctrl s:returl s:retpath
 370                 //lo_server_add_method(serv, "/register_update", "sss", OSC::global_register_update_handler, this);
 371                 //lo_server_add_method(serv, "/unregister_update", "sss", OSC::global_unregister_update_handler, this);
 372                 //lo_server_add_method(serv, "/register_auto_update", "siss", OSC::global_register_auto_update_handler, this);
 373                 //lo_server_add_method(serv, "/unregister_auto_update", "sss", OSC::_global_unregister_auto_update_handler, this);
 374
 375         }
 376 }
 377
 378 bool
 379 OSC::osc_input_handler (IOCondition ioc, lo_server srv)
 380 {
 381         if (ioc & ~IO_IN) {
 382                 return false;
 383         }
 384
 385         if (ioc & IO_IN) {
 386                 lo_server_recv (srv);
 387         }
 388
 389         return true;
 390 }
 391
 392 std::string
 393 OSC::get_server_url()
 394 {
 395         string url;
 396         char * urlstr;
 397
 398         if (_osc_server) {
 399                 urlstr = lo_server_get_url (_osc_server);
 400                 url = urlstr;
 401                 free (urlstr);
 402         }
 403
 404         return url;
 405 }
 406
 407 std::string
 408 OSC::get_unix_server_url()
 409 {
 410         string url;
 411         char * urlstr;
 412
 413         if (_osc_unix_server) {
 414                 urlstr = lo_server_get_url (_osc_unix_server);
 415                 url = urlstr;
 416                 free (urlstr);
 417         }
 418
 419         return url;
 420 }
 421
 422 void
 423 OSC::listen_to_route (boost::shared_ptr<Route> route, lo_address addr)
 424 {
 425         /* avoid duplicate listens */
 426
 427         for (RouteObservers::iterator x = route_observers.begin(); x != route_observers.end(); ++x) {
 428
 429                 OSCRouteObserver* ro;
 430
 431                 if ((ro = dynamic_cast<OSCRouteObserver*>(*x)) != 0) {
 432
 433                         int res = strcmp(lo_address_get_hostname(ro->address()), lo_address_get_hostname(addr));
 434
 435                         if (ro->route() == route && res == 0) {
 436                                 return;
 437                         }
 438                 }
 439         }
 440
 441         OSCRouteObserver* o = new OSCRouteObserver (route, addr);
 442         route_observers.push_back (o);
 443
 444         route->DropReferences.connect (*this, MISSING_INVALIDATOR, boost::bind (&OSC::drop_route, this, boost::weak_ptr<Route> (route)), this);
 445 }
 446
 447 void
 448 OSC::drop_route (boost::weak_ptr<Route> wr)
 449 {
 450         boost::shared_ptr<Route> r = wr.lock ();
 451
 452         if (!r) {
 453                 return;
 454         }
 455
 456         for (RouteObservers::iterator x = route_observers.begin(); x != route_observers.end();) {
 457
 458                 OSCRouteObserver* rc;
 459
 460                 if ((rc = dynamic_cast<OSCRouteObserver*>(*x)) != 0) {
 461
 462                         if (rc->route() == r) {
 463                                 delete *x;
 464                                 x = route_observers.erase (x);
 465                         } else {
 466                                 ++x;
 467                         }
 468                 } else {
 469                         ++x;
 470                 }
 471         }
 472 }
 473
 474 void
 475 OSC::end_listen (boost::shared_ptr<Route> r, lo_address addr)
 476 {
 477         RouteObservers::iterator x;
 478
 479         // Remove the route observers
 480         for (x = route_observers.begin(); x != route_observers.end();) {
 481
 482                 OSCRouteObserver* ro;
 483
 484                 if ((ro = dynamic_cast<OSCRouteObserver*>(*x)) != 0) {
 485
 486                         int res = strcmp(lo_address_get_hostname(ro->address()), lo_address_get_hostname(addr));
 487
 488                         if (ro->route() == r && res == 0) {
 489                                 delete *x;
 490                                 x = route_observers.erase (x);
 491                         }
 492                         else {
 493                                 ++x;
 494                         }
 495                 }
 496                 else {
 497                         ++x;
 498                 }
 499         }
 500 }
 501
 502 void
 503 OSC::current_value_query (const char* path, size_t len, lo_arg **argv, int argc, lo_message msg)
 504 {
 505         char* subpath;
 506
 507         subpath = (char*) malloc (len-15+1);
 508         memcpy (subpath, path, len-15);
 509         subpath[len-15] = '\0';
 510
 511         send_current_value (subpath, argv, argc, msg);
 512
 513         free (subpath);
 514 }
 515
 516 void
 517 OSC::send_current_value (const char* path, lo_arg** argv, int argc, lo_message msg)
 518 {
 519         if (!session) {
 520                 return;
 521         }
 522
 523         lo_message reply = lo_message_new ();
 524         boost::shared_ptr<Route> r;
 525         int id;
 526
 527         lo_message_add_string (reply, path);
 528
 529         if (argc == 0) {
 530                 lo_message_add_string (reply, "bad syntax");
 531         } else {
 532                 id = argv[0]->i;
 533                 r = session->route_by_remote_id (id);
 534
 535                 if (!r) {
 536                         lo_message_add_string (reply, "not found");
 537                 } else {
 538
 539                         if (strcmp (path, "/routes/state") == 0) {
 540
 541                                 if (boost::dynamic_pointer_cast<AudioTrack>(r)) {
 542                                         lo_message_add_string (reply, "AT");
 543                                 } else if (boost::dynamic_pointer_cast<MidiTrack>(r)) {
 544                                         lo_message_add_string (reply, "MT");
 545                                 } else {
 546                                         lo_message_add_string (reply, "B");
 547                                 }
 548
 549                                 lo_message_add_string (reply, r->name().c_str());
 550                                 lo_message_add_int32 (reply, r->n_inputs().n_audio());
 551                                 lo_message_add_int32 (reply, r->n_outputs().n_audio());
 552                                 lo_message_add_int32 (reply, r->muted());
 553                                 lo_message_add_int32 (reply, r->soloed());
 554
 555                         } else if (strcmp (path, "/routes/mute") == 0) {
 556
 557                                 lo_message_add_int32 (reply, (float) r->muted());
 558
 559                         } else if (strcmp (path, "/routes/solo") == 0) {
 560
 561                                 lo_message_add_int32 (reply, r->soloed());
 562                         }
 563                 }
 564         }
 565
 566         lo_send_message (lo_message_get_source (msg), "#reply", reply);
 567         lo_message_free (reply);
 568 }
 569
 570 int
 571 OSC::_catchall (const char *path, const char *types, lo_arg **argv, int argc, void *data, void *user_data)
 572 {
 573         return ((OSC*)user_data)->catchall (path, types, argv, argc, data);
 574 }
 575
 576 int
 577 OSC::catchall (const char *path, const char* /*types*/, lo_arg **argv, int argc, lo_message msg)
 578 {
 579         size_t len;
 580         int ret = 1; /* unhandled */
 581
 582         //cerr << "Received a message, path = " << path << " types = \""
 583         //     << (types ? types : "NULL") << '"' << endl;
 584
 585         /* 15 for /#current_value plus 2 for /<path> */
 586
 587         len = strlen (path);
 588
 589         if (len >= 17 && !strcmp (&path[len-15], "/#current_value")) {
 590                 current_value_query (path, len, argv, argc, msg);
 591                 ret = 0;
 592
 593         } else if (strcmp (path, "/routes/listen") == 0) {
 594
 595                 cerr << "set up listener\n";
 596
 597                 lo_message reply = lo_message_new ();
 598
 599                 if (argc <= 0) {
 600                         lo_message_add_string (reply, "syntax error");
 601                 } else {
 602                         for (int n = 0; n < argc; ++n) {
 603
 604                                 boost::shared_ptr<Route> r = session->route_by_remote_id (argv[n]->i);
 605
 606                                 if (!r) {
 607                                         lo_message_add_string (reply, "not found");
 608                                         cerr << "no such route\n";
 609                                         break;
 610                                 } else {
 611                                         cerr << "add listener\n";
 612                                         listen_to_route (r, lo_message_get_source (msg));
 613                                         lo_message_add_int32 (reply, argv[n]->i);
 614                                 }
 615                         }
 616                 }
 617
 618                 lo_send_message (lo_message_get_source (msg), "#reply", reply);
 619                 lo_message_free (reply);
 620
 621                 ret = 0;
 622
 623         } else if (strcmp (path, "/routes/ignore") == 0) {
 624
 625                 for (int n = 0; n < argc; ++n) {
 626
 627                         boost::shared_ptr<Route> r = session->route_by_remote_id (argv[n]->i);
 628
 629                         if (r) {
 630                                 end_listen (r, lo_message_get_source (msg));
 631                         }
 632                 }
 633
 634                 ret = 0;
 635         }
 636
 637         return ret;
 638 }
 639
 640 void
 641 OSC::update_clock ()
 642 {
 643
 644 }
 645
 646 // "Application Hook" Handlers //
 647 void
 648 OSC::session_loaded (Session& s)
 649 {
 650         lo_address listener = lo_address_new (NULL, "7770");
 651         lo_send (listener, "/session/loaded", "ss", s.path().c_str(), s.name().c_str());
 652 }
 653
 654 void
 655 OSC::session_exported (std::string path, std::string name)
 656 {
 657         lo_address listener = lo_address_new (NULL, "7770");
 658         lo_send (listener, "/session/exported", "ss", path.c_str(), name.c_str());
 659 }
 660
 661 // end "Application Hook" Handlers //
 662
 663 /* path callbacks */
 664
 665 int
 666 OSC::current_value (const char */*path*/, const char */*types*/, lo_arg **/*argv*/, int /*argc*/, void */*data*/, void* /*user_data*/)
 667 {
 668 #if 0
 669         const char* returl;
 670
 671         if (argc < 3 || types == 0 || strlen (types) < 3 || types[0] != 's' || types[1] != 's' || types[2] != s) {
 672                 return 1;
 673         }
 674
 675         const char *returl = argv[1]->s;
 676         lo_address addr = find_or_cache_addr (returl);
 677
 678         const char *retpath = argv[2]->s;
 679
 680
 681         if (strcmp (argv[0]->s, "transport_frame") == 0) {
 682
 683                 if (session) {
 684                         lo_send (addr, retpath, "i", session->transport_frame());
 685                 }
 686
 687         } else if (strcmp (argv[0]->s, "transport_speed") == 0) {
 688
 689                 if (session) {
 690                         lo_send (addr, retpath, "i", session->transport_frame());
 691                 }
 692
 693         } else if (strcmp (argv[0]->s, "transport_locked") == 0) {
 694
 695                 if (session) {
 696                         lo_send (addr, retpath, "i", session->transport_frame());
 697                 }
 698
 699         } else if (strcmp (argv[0]->s, "punch_in") == 0) {
 700
 701                 if (session) {
 702                         lo_send (addr, retpath, "i", session->transport_frame());
 703                 }
 704
 705         } else if (strcmp (argv[0]->s, "punch_out") == 0) {
 706
 707                 if (session) {
 708                         lo_send (addr, retpath, "i", session->transport_frame());
 709                 }
 710
 711         } else if (strcmp (argv[0]->s, "rec_enable") == 0) {
 712
 713                 if (session) {
 714                         lo_send (addr, retpath, "i", session->transport_frame());
 715                 }
 716
 717         } else {
 718
 719                 /* error */
 720         }
 721 #endif
 722         return 0;
 723 }
 724
 725 void
 726 OSC::routes_list (lo_message msg)
 727 {
 728         for (int n = 0; n < (int) session->nroutes(); ++n) {
 729
 730                 boost::shared_ptr<Route> r = session->route_by_remote_id (n);
 731
 732                 if (r) {
 733
 734                         lo_message reply = lo_message_new ();
 735
 736                         if (boost::dynamic_pointer_cast<AudioTrack>(r)) {
 737                                 lo_message_add_string (reply, "AT");
 738                         } else if (boost::dynamic_pointer_cast<MidiTrack>(r)) {
 739                                 lo_message_add_string (reply, "MT");
 740                         } else {
 741                                 lo_message_add_string (reply, "B");
 742                         }
 743
 744                         lo_message_add_string (reply, r->name().c_str());
 745                         lo_message_add_int32 (reply, r->n_inputs().n_audio());
 746                         lo_message_add_int32 (reply, r->n_outputs().n_audio());
 747                         lo_message_add_int32 (reply, r->muted());
 748                         lo_message_add_int32 (reply, r->soloed());
 749                         lo_message_add_int32 (reply, r->remote_control_id());
 750
 751                         if (boost::dynamic_pointer_cast<AudioTrack>(r)
 752                                         || boost::dynamic_pointer_cast<MidiTrack>(r)) {
 753
 754                                 boost::shared_ptr<Track> t = boost::dynamic_pointer_cast<Track>(r);
 755                                 lo_message_add_int32 (reply, t->record_enabled());
 756                         }
 757
 758                         //Automatically listen to routes listed
 759                         listen_to_route(r, lo_message_get_source (msg));
 760
 761                         lo_send_message (lo_message_get_source (msg), "#reply", reply);
 762                         lo_message_free (reply);
 763                 }
 764         }
 765
 766         // Send end of listing message
 767         lo_message reply = lo_message_new ();
 768
 769         lo_message_add_string (reply, "end_route_list");
 770         lo_message_add_int64 (reply, session->frame_rate());
 771         lo_message_add_int64 (reply, session->current_end_frame());
 772
 773         lo_send_message (lo_message_get_source (msg), "#reply", reply);
 774
 775         lo_message_free (reply);
 776 }
 777
 778 void
 779 OSC::transport_frame (lo_message msg)
 780 {
 781         framepos_t pos = session->transport_frame ();
 782
 783         lo_message reply = lo_message_new ();
 784         lo_message_add_int64 (reply, pos);
 785
 786         lo_send_message (lo_message_get_source (msg), "/ardour/transport_frame", reply);
 787
 788         lo_message_free (reply);
 789 }
 790
 791 int
 792 OSC::route_mute (int rid, int yn)
 793 {
 794         if (!session) return -1;
 795
 796         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
 797
 798         if (r) {
 799                 r->set_mute (yn, this);
 800         }
 801
 802         return 0;
 803 }
 804
 805 int
 806 OSC::route_solo (int rid, int yn)
 807 {
 808         if (!session) return -1;
 809
 810         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
 811
 812         if (r) {
 813                 boost::shared_ptr<RouteList> rl (new RouteList);
 814                 rl->push_back (r);
 815                 session->set_solo (rl, yn);
 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         return route_set_gain_abs (rid, dB_to_coefficient (dB));
 853 }
 854
 855
 856 int
 857 OSC::route_set_trim_abs (int rid, float level)
 858 {
 859         if (!session) return -1;
 860
 861         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
 862
 863         if (r) {
 864                 r->set_trim (level, this);
 865         }
 866
 867         return 0;
 868 }
 869
 870 int
 871 OSC::route_set_trim_dB (int rid, float dB)
 872 {
 873         return route_set_trim_abs(rid, dB_to_coefficient (dB));
 874 }
 875
 876
 877 int
 878 OSC::route_set_pan_stereo_position (int rid, float pos)
 879 {
 880         if (!session) return -1;
 881
 882         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
 883
 884         if (r) {
 885                 boost::shared_ptr<Panner> panner = r->panner();
 886                 if (panner) {
 887                         panner->set_position (pos);
 888                 }
 889         }
 890
 891         return 0;
 892
 893 }
 894
 895 int
 896 OSC::route_set_pan_stereo_width (int rid, float pos)
 897 {
 898         if (!session) return -1;
 899
 900         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
 901
 902         if (r) {
 903                 boost::shared_ptr<Panner> panner = r->panner();
 904                 if (panner) {
 905                         panner->set_width (pos);
 906                 }
 907         }
 908
 909         return 0;
 910
 911 }
 912
 913 int
 914 OSC::route_set_send_gain_abs (int rid, int sid, float val)
 915 {
 916         if (!session) {
 917                 return -1;
 918         }
 919
 920         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
 921
 922         if (!r) {
 923                 return -1;
 924         }
 925
 926         /* revert to zero-based counting */
 927
 928         if (sid > 0) {
 929                 --sid;
 930         }
 931
 932         boost::shared_ptr<Processor> p = r->nth_send (sid);
 933
 934         if (p) {
 935                 boost::shared_ptr<Send> s = boost::dynamic_pointer_cast<Send>(p);
 936                 boost::shared_ptr<Amp> a = s->amp();
 937
 938                 if (a) {
 939                         a->set_gain (val, this);
 940                 }
 941         }
 942         return 0;
 943 }
 944
 945 int
 946 OSC::route_set_send_gain_dB (int rid, int sid, float val)
 947 {
 948         if (!session) {
 949                 return -1;
 950         }
 951
 952         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
 953
 954         if (!r) {
 955                 return -1;
 956         }
 957
 958         /* revert to zero-based counting */
 959
 960         if (sid > 0) {
 961                 --sid;
 962         }
 963
 964         boost::shared_ptr<Processor> p = r->nth_send (sid);
 965
 966         if (p) {
 967                 boost::shared_ptr<Send> s = boost::dynamic_pointer_cast<Send>(p);
 968                 boost::shared_ptr<Amp> a = s->amp();
 969
 970                 if (a) {
 971                         a->set_gain (dB_to_coefficient (val), this);
 972                 }
 973         }
 974         return 0;
 975 }
 976
 977 int
 978 OSC::route_plugin_parameter (int rid, int piid, int par, float val)
 979 {
 980         if (!session)
 981                 return -1;
 982
 983         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
 984
 985         if (!r) {
 986                 PBD::error << "OSC: Invalid Remote Control ID '" << rid << "'" << endmsg;
 987                 return -1;
 988         }
 989
 990         boost::shared_ptr<Processor> redi=r->nth_plugin (piid);
 991
 992         if (!redi) {
 993                 PBD::error << "OSC: cannot find plugin # " << piid << " for RID '" << rid << "'" << endmsg;
 994                 return -1;
 995         }
 996
 997         boost::shared_ptr<PluginInsert> pi;
 998
 999         if (!(pi = boost::dynamic_pointer_cast<PluginInsert>(redi))) {
1000                 PBD::error << "OSC: given processor # " << piid << " on RID '" << rid << "' is not a Plugin." << endmsg;
1001                 return -1;
1002         }
1003
1004         boost::shared_ptr<ARDOUR::Plugin> pip = pi->plugin();
1005         bool ok=false;
1006
1007         uint32_t controlid = pip->nth_parameter (par,ok);
1008
1009         if (!ok) {
1010                 PBD::error << "OSC: Cannot find parameter # " << par <<  " for plugin # " << piid << " on RID '" << rid << "'" << endmsg;
1011                 return -1;
1012         }
1013
1014         if (!pip->parameter_is_input(controlid)) {
1015                 PBD::error << "OSC: Parameter # " << par <<  " for plugin # " << piid << " on RID '" << rid << "' is not a control input" << endmsg;
1016                 return -1;
1017         }
1018
1019         ParameterDescriptor pd;
1020         pi->plugin()->get_parameter_descriptor (controlid,pd);
1021
1022         if (val >= pd.lower && val < pd.upper) {
1023
1024                 boost::shared_ptr<AutomationControl> c = pi->automation_control (Evoral::Parameter(PluginAutomation, 0, controlid));
1025                 // cerr << "parameter:" << redi->describe_parameter(controlid) << " val:" << val << "\n";
1026                 c->set_value (val);
1027         } else {
1028                 PBD::warning << "OSC: Parameter # " << par <<  " for plugin # " << piid << " on RID '" << rid << "' is out of range" << endmsg;
1029                 PBD::info << "OSC: Valid range min=" << pd.lower << " max=" << pd.upper << endmsg;
1030         }
1031
1032         return 0;
1033 }
1034
1035 int
1036 OSC::route_plugin_parameter_print (int rid, int piid, int par)
1037 {
1038         if (!session) {
1039                 return -1;
1040         }
1041
1042         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
1043
1044         if (!r) {
1045                 return -1;
1046         }
1047
1048         boost::shared_ptr<Processor> redi=r->nth_processor (piid);
1049
1050         if (!redi) {
1051                 return -1;
1052         }
1053
1054         boost::shared_ptr<PluginInsert> pi;
1055
1056         if (!(pi = boost::dynamic_pointer_cast<PluginInsert>(redi))) {
1057                 return -1;
1058         }
1059
1060         boost::shared_ptr<ARDOUR::Plugin> pip = pi->plugin();
1061         bool ok=false;
1062
1063         uint32_t controlid = pip->nth_parameter (par,ok);
1064
1065         if (!ok) {
1066                 return -1;
1067         }
1068
1069         ParameterDescriptor pd;
1070
1071         if (pi->plugin()->get_parameter_descriptor (controlid, pd) == 0) {
1072                 boost::shared_ptr<AutomationControl> c = pi->automation_control (Evoral::Parameter(PluginAutomation, 0, controlid));
1073
1074                 cerr << "parameter:     " << redi->describe_parameter(controlid)  << "\n";
1075                 cerr << "current value: " << c->get_value ();
1076                 cerr << "lower value:   " << pd.lower << "\n";
1077                 cerr << "upper value:   " << pd.upper << "\n";
1078         }
1079
1080         return 0;
1081 }
1082
1083 XMLNode&
1084 OSC::get_state ()
1085 {
1086         return ControlProtocol::get_state();
1087 }
1088
1089 int
1090 OSC::set_state (const XMLNode& node, int version)
1091 {
1092         if (ControlProtocol::set_state (node, version)) {
1093                 return -1;
1094         }
1095
1096         return 0;
1097 }