libs/surfaces/osc/osc.cc

   1 /*
   2  * Copyright (C) 2006 Paul Davis
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software
  16  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  17  *
  18  */
  19
  20 #include <iostream>
  21 #include <fstream>
  22 #include <cstdio>
  23 #include <cstdlib>
  24 #include <cerrno>
  25 #include <algorithm>
  26
  27 #include <unistd.h>
  28 #include <fcntl.h>
  29
  30 #include <glib/gstdio.h>
  31 #include <glibmm/miscutils.h>
  32
  33 #include <pbd/convert.h>
  34 #include <pbd/pthread_utils.h>
  35 #include <pbd/file_utils.h>
  36 #include <pbd/failed_constructor.h>
  37
  38 #include "ardour/amp.h"
  39 #include "ardour/session.h"
  40 #include "ardour/route.h"
  41 #include "ardour/audio_track.h"
  42 #include "ardour/midi_track.h"
  43 #include "ardour/dB.h"
  44 #include "ardour/filesystem_paths.h"
  45 #include "ardour/panner.h"
  46 #include "ardour/plugin.h"
  47 #include "ardour/plugin_insert.h"
  48 #include "ardour/send.h"
  49
  50 #include "osc.h"
  51 #include "osc_controllable.h"
  52 #include "osc_route_observer.h"
  53 #include "i18n.h"
  54
  55 using namespace ARDOUR;
  56 using namespace std;
  57 using namespace Glib;
  58 using namespace ArdourSurface;
  59
  60 #include "pbd/abstract_ui.cc" // instantiate template
  61
  62 OSC* OSC::_instance = 0;
  63
  64 #ifdef DEBUG
  65 static void error_callback(int num, const char *m, const char *path)
  66 {
  67         fprintf(stderr, "liblo server error %d in path %s: %s\n", num, path, m);
  68 }
  69 #else
  70 static void error_callback(int, const char *, const char *)
  71 {
  72
  73 }
  74 #endif
  75
  76 OSC::OSC (Session& s, uint32_t port)
  77         : ControlProtocol (s, X_("Open Sound Control (OSC)"))
  78         , AbstractUI<OSCUIRequest> ("osc")
  79         , local_server (0)
  80         , remote_server (0)
  81         , _port(port)
  82         , _ok (true)
  83         , _shutdown (false)
  84         , _osc_server (0)
  85         , _osc_unix_server (0)
  86         , _namespace_root ("/ardour")
  87         , _send_route_changes (true)
  88 {
  89         _instance = this;
  90
  91         session_loaded (s);
  92         session->Exported.connect (*this, MISSING_INVALIDATOR, boost::bind (&OSC::session_exported, this, _1, _2), this);
  93 }
  94
  95 OSC::~OSC()
  96 {
  97         stop ();
  98         _instance = 0;
  99 }
 100
 101 void
 102 OSC::do_request (OSCUIRequest* req)
 103 {
 104         if (req->type == CallSlot) {
 105
 106                 call_slot (MISSING_INVALIDATOR, req->the_slot);
 107
 108         } else if (req->type == Quit) {
 109
 110                 stop ();
 111         }
 112 }
 113
 114 int
 115 OSC::set_active (bool yn)
 116 {
 117         if (yn != active()) {
 118
 119                 if (yn) {
 120                         if (start ()) {
 121                                 return -1;
 122                         }
 123                 } else {
 124                         if (stop ()) {
 125                                 return -1;
 126                         }
 127                 }
 128
 129         }
 130
 131         return ControlProtocol::set_active (yn);
 132 }
 133
 134 bool
 135 OSC::get_active () const
 136 {
 137         return _osc_server != 0;
 138 }
 139
 140 int
 141 OSC::set_feedback (bool yn)
 142 {
 143         _send_route_changes = yn;
 144         return 0;
 145 }
 146
 147 bool
 148 OSC::get_feedback () const
 149 {
 150         return _send_route_changes;
 151 }
 152
 153 int
 154 OSC::start ()
 155 {
 156         char tmpstr[255];
 157
 158         if (_osc_server) {
 159                 /* already started */
 160                 return 0;
 161         }
 162
 163         for (int j=0; j < 20; ++j) {
 164                 snprintf(tmpstr, sizeof(tmpstr), "%d", _port);
 165
 166                 //if ((_osc_server = lo_server_new_with_proto (tmpstr, LO_TCP, error_callback))) {
 167                 //      break;
 168                 //}
 169
 170                 if ((_osc_server = lo_server_new (tmpstr, error_callback))) {
 171                         break;
 172                 }
 173
 174 #ifdef DEBUG
 175                 cerr << "can't get osc at port: " << _port << endl;
 176 #endif
 177                 _port++;
 178                 continue;
 179         }
 180
 181         if (!_osc_server) {
 182                 return 1;
 183         }
 184
 185 #ifdef ARDOUR_OSC_UNIX_SERVER
 186
 187         // APPEARS sluggish for now
 188
 189         // attempt to create unix socket server too
 190
 191         snprintf(tmpstr, sizeof(tmpstr), "/tmp/sooperlooper_XXXXXX");
 192         int fd = mkstemp(tmpstr);
 193
 194         if (fd >= 0 ) {
 195                 ::g_unlink (tmpstr);
 196                 close (fd);
 197
 198                 _osc_unix_server = lo_server_new (tmpstr, error_callback);
 199
 200                 if (_osc_unix_server) {
 201                         _osc_unix_socket_path = tmpstr;
 202                 }
 203         }
 204 #endif
 205
 206         PBD::info << "OSC @ " << get_server_url () << endmsg;
 207
 208         std::string url_file;
 209
 210         if (find_file (ardour_config_search_path(), "osc_url", url_file)) {
 211
 212                 _osc_url_file = url_file;
 213                 ofstream urlfile;
 214                 urlfile.open(_osc_url_file.c_str(), ios::trunc);
 215
 216                 if (urlfile) {
 217                         urlfile << get_server_url () << endl;
 218                         urlfile.close();
 219                 } else {
 220                         cerr << "Couldn't write '" <<  _osc_url_file << "'" <<endl;
 221                 }
 222         }
 223
 224         register_callbacks();
 225
 226         // lo_server_thread_add_method(_sthread, NULL, NULL, OSC::_dummy_handler, this);
 227
 228         /* startup the event loop thread */
 229
 230         BaseUI::run ();
 231
 232         return 0;
 233 }
 234
 235 void
 236 OSC::thread_init ()
 237 {
 238         pthread_set_name (X_("OSC"));
 239
 240         if (_osc_unix_server) {
 241                 Glib::RefPtr<IOSource> src = IOSource::create (lo_server_get_socket_fd (_osc_unix_server), IO_IN|IO_HUP|IO_ERR);
 242                 src->connect (sigc::bind (sigc::mem_fun (*this, &OSC::osc_input_handler), _osc_unix_server));
 243                 src->attach (_main_loop->get_context());
 244                 local_server = src->gobj();
 245                 g_source_ref (local_server);
 246         }
 247
 248         if (_osc_server) {
 249                 Glib::RefPtr<IOSource> src  = IOSource::create (lo_server_get_socket_fd (_osc_server), IO_IN|IO_HUP|IO_ERR);
 250                 src->connect (sigc::bind (sigc::mem_fun (*this, &OSC::osc_input_handler), _osc_server));
 251                 src->attach (_main_loop->get_context());
 252                 remote_server = src->gobj();
 253                 g_source_ref (remote_server);
 254         }
 255
 256         PBD::notify_gui_about_thread_creation (X_("gui"), pthread_self(), X_("OSC"), 2048);
 257         SessionEvent::create_per_thread_pool (X_("OSC"), 128);
 258 }
 259
 260 int
 261 OSC::stop ()
 262 {
 263         /* stop main loop */
 264
 265         if (local_server) {
 266                 g_source_destroy (local_server);
 267                 g_source_unref (local_server);
 268                 local_server = 0;
 269         }
 270
 271         if (remote_server) {
 272                 g_source_destroy (remote_server);
 273                 g_source_unref (remote_server);
 274                 remote_server = 0;
 275         }
 276
 277         BaseUI::quit ();
 278
 279         if (_osc_server) {
 280                 lo_server_free (_osc_server);
 281                 _osc_server = 0;
 282         }
 283
 284         if (_osc_unix_server) {
 285                 lo_server_free (_osc_unix_server);
 286                 _osc_unix_server = 0;
 287         }
 288
 289         if (!_osc_unix_socket_path.empty()) {
 290                 ::g_unlink (_osc_unix_socket_path.c_str());
 291         }
 292
 293         if (!_osc_url_file.empty() ) {
 294                 ::g_unlink (_osc_url_file.c_str() );
 295         }
 296
 297         // Delete any active route observers
 298         for (RouteObservers::iterator x = route_observers.begin(); x != route_observers.end();) {
 299
 300                 OSCRouteObserver* rc;
 301
 302                 if ((rc = dynamic_cast<OSCRouteObserver*>(*x)) != 0) {
 303                         delete *x;
 304                         x = route_observers.erase (x);
 305                 } else {
 306                         ++x;
 307                 }
 308         }
 309
 310         return 0;
 311 }
 312
 313 void
 314 OSC::register_callbacks()
 315 {
 316         lo_server srvs[2];
 317         lo_server serv;
 318
 319         srvs[0] = _osc_server;
 320         srvs[1] = _osc_unix_server;
 321
 322         for (size_t i = 0; i < 2; ++i) {
 323
 324                 if (!srvs[i]) {
 325                         continue;
 326                 }
 327
 328                 serv = srvs[i];
 329
 330                 /* this is a special catchall handler */
 331
 332                 lo_server_add_method (serv, 0, 0, _catchall, this);
 333
 334 #define REGISTER_CALLBACK(serv,path,types, function) lo_server_add_method (serv, path, types, OSC::_ ## function, this)
 335
 336                 REGISTER_CALLBACK (serv, "/routes/list", "", routes_list);
 337                 REGISTER_CALLBACK (serv, "/ardour/add_marker", "", add_marker);
 338                 REGISTER_CALLBACK (serv, "/ardour/access_action", "s", access_action);
 339                 REGISTER_CALLBACK (serv, "/ardour/loop_toggle", "", loop_toggle);
 340                 REGISTER_CALLBACK (serv, "/ardour/loop_location", "ii", loop_location);
 341                 REGISTER_CALLBACK (serv, "/ardour/goto_start", "", goto_start);
 342                 REGISTER_CALLBACK (serv, "/ardour/goto_end", "", goto_end);
 343                 REGISTER_CALLBACK (serv, "/ardour/rewind", "", rewind);
 344                 REGISTER_CALLBACK (serv, "/ardour/ffwd", "", ffwd);
 345                 REGISTER_CALLBACK (serv, "/ardour/transport_stop", "", transport_stop);
 346                 REGISTER_CALLBACK (serv, "/ardour/transport_play", "", transport_play);
 347                 REGISTER_CALLBACK (serv, "/ardour/transport_frame", "", transport_frame);
 348                 REGISTER_CALLBACK (serv, "/ardour/set_transport_speed", "f", set_transport_speed);
 349                 REGISTER_CALLBACK (serv, "/ardour/locate", "ii", locate);
 350                 REGISTER_CALLBACK (serv, "/ardour/save_state", "", save_state);
 351                 REGISTER_CALLBACK (serv, "/ardour/prev_marker", "", prev_marker);
 352                 REGISTER_CALLBACK (serv, "/ardour/next_marker", "", next_marker);
 353                 REGISTER_CALLBACK (serv, "/ardour/undo", "", undo);
 354                 REGISTER_CALLBACK (serv, "/ardour/redo", "", redo);
 355                 REGISTER_CALLBACK (serv, "/ardour/toggle_punch_in", "", toggle_punch_in);
 356                 REGISTER_CALLBACK (serv, "/ardour/toggle_punch_out", "", toggle_punch_out);
 357                 REGISTER_CALLBACK (serv, "/ardour/rec_enable_toggle", "", rec_enable_toggle);
 358                 REGISTER_CALLBACK (serv, "/ardour/toggle_all_rec_enables", "", toggle_all_rec_enables);
 359
 360                 REGISTER_CALLBACK (serv, "/ardour/routes/mute", "ii", route_mute);
 361                 REGISTER_CALLBACK (serv, "/ardour/routes/solo", "ii", route_solo);
 362                 REGISTER_CALLBACK (serv, "/ardour/routes/recenable", "ii", route_recenable);
 363                 REGISTER_CALLBACK (serv, "/ardour/routes/gainabs", "if", route_set_gain_abs);
 364                 REGISTER_CALLBACK (serv, "/ardour/routes/gaindB", "if", route_set_gain_dB);
 365                 REGISTER_CALLBACK (serv, "/ardour/routes/trimabs", "if", route_set_trim_abs);
 366                 REGISTER_CALLBACK (serv, "/ardour/routes/trimdB", "if", route_set_trim_dB);
 367                 REGISTER_CALLBACK (serv, "/ardour/routes/pan_stereo_position", "if", route_set_pan_stereo_position);
 368                 REGISTER_CALLBACK (serv, "/ardour/routes/pan_stereo_width", "if", route_set_pan_stereo_width);
 369                 REGISTER_CALLBACK (serv, "/ardour/routes/plugin/parameter", "iiif", route_plugin_parameter);
 370                 REGISTER_CALLBACK (serv, "/ardour/routes/plugin/parameter/print", "iii", route_plugin_parameter_print);
 371                 REGISTER_CALLBACK (serv, "/ardour/routes/send/gainabs", "iif", route_set_send_gain_abs);
 372                 REGISTER_CALLBACK (serv, "/ardour/routes/send/gaindB", "iif", route_set_send_gain_dB);
 373
 374                 /* still not-really-standardized query interface */
 375                 //REGISTER_CALLBACK (serv, "/ardour/*/#current_value", "", current_value);
 376                 //REGISTER_CALLBACK (serv, "/ardour/set", "", set);
 377
 378                 // un/register_update args= s:ctrl s:returl s:retpath
 379                 //lo_server_add_method(serv, "/register_update", "sss", OSC::global_register_update_handler, this);
 380                 //lo_server_add_method(serv, "/unregister_update", "sss", OSC::global_unregister_update_handler, this);
 381                 //lo_server_add_method(serv, "/register_auto_update", "siss", OSC::global_register_auto_update_handler, this);
 382                 //lo_server_add_method(serv, "/unregister_auto_update", "sss", OSC::_global_unregister_auto_update_handler, this);
 383
 384         }
 385 }
 386
 387 bool
 388 OSC::osc_input_handler (IOCondition ioc, lo_server srv)
 389 {
 390         if (ioc & ~IO_IN) {
 391                 return false;
 392         }
 393
 394         if (ioc & IO_IN) {
 395                 lo_server_recv (srv);
 396         }
 397
 398         return true;
 399 }
 400
 401 std::string
 402 OSC::get_server_url()
 403 {
 404         string url;
 405         char * urlstr;
 406
 407         if (_osc_server) {
 408                 urlstr = lo_server_get_url (_osc_server);
 409                 url = urlstr;
 410                 free (urlstr);
 411         }
 412
 413         return url;
 414 }
 415
 416 std::string
 417 OSC::get_unix_server_url()
 418 {
 419         string url;
 420         char * urlstr;
 421
 422         if (_osc_unix_server) {
 423                 urlstr = lo_server_get_url (_osc_unix_server);
 424                 url = urlstr;
 425                 free (urlstr);
 426         }
 427
 428         return url;
 429 }
 430
 431 void
 432 OSC::listen_to_route (boost::shared_ptr<Route> route, lo_address addr)
 433 {
 434         /* avoid duplicate listens */
 435
 436         for (RouteObservers::iterator x = route_observers.begin(); x != route_observers.end(); ++x) {
 437
 438                 OSCRouteObserver* ro;
 439
 440                 if ((ro = dynamic_cast<OSCRouteObserver*>(*x)) != 0) {
 441
 442                         int res = strcmp(lo_address_get_hostname(ro->address()), lo_address_get_hostname(addr));
 443
 444                         if (ro->route() == route && res == 0) {
 445                                 return;
 446                         }
 447                 }
 448         }
 449
 450         OSCRouteObserver* o = new OSCRouteObserver (route, addr);
 451         route_observers.push_back (o);
 452
 453         route->DropReferences.connect (*this, MISSING_INVALIDATOR, boost::bind (&OSC::drop_route, this, boost::weak_ptr<Route> (route)), this);
 454 }
 455
 456 void
 457 OSC::drop_route (boost::weak_ptr<Route> wr)
 458 {
 459         boost::shared_ptr<Route> r = wr.lock ();
 460
 461         if (!r) {
 462                 return;
 463         }
 464
 465         for (RouteObservers::iterator x = route_observers.begin(); x != route_observers.end();) {
 466
 467                 OSCRouteObserver* rc;
 468
 469                 if ((rc = dynamic_cast<OSCRouteObserver*>(*x)) != 0) {
 470
 471                         if (rc->route() == r) {
 472                                 delete *x;
 473                                 x = route_observers.erase (x);
 474                         } else {
 475                                 ++x;
 476                         }
 477                 } else {
 478                         ++x;
 479                 }
 480         }
 481 }
 482
 483 void
 484 OSC::end_listen (boost::shared_ptr<Route> r, lo_address addr)
 485 {
 486         RouteObservers::iterator x;
 487
 488         // Remove the route observers
 489         for (x = route_observers.begin(); x != route_observers.end();) {
 490
 491                 OSCRouteObserver* ro;
 492
 493                 if ((ro = dynamic_cast<OSCRouteObserver*>(*x)) != 0) {
 494
 495                         int res = strcmp(lo_address_get_hostname(ro->address()), lo_address_get_hostname(addr));
 496
 497                         if (ro->route() == r && res == 0) {
 498                                 delete *x;
 499                                 x = route_observers.erase (x);
 500                         }
 501                         else {
 502                                 ++x;
 503                         }
 504                 }
 505                 else {
 506                         ++x;
 507                 }
 508         }
 509 }
 510
 511 void
 512 OSC::current_value_query (const char* path, size_t len, lo_arg **argv, int argc, lo_message msg)
 513 {
 514         char* subpath;
 515
 516         subpath = (char*) malloc (len-15+1);
 517         memcpy (subpath, path, len-15);
 518         subpath[len-15] = '\0';
 519
 520         send_current_value (subpath, argv, argc, msg);
 521
 522         free (subpath);
 523 }
 524
 525 void
 526 OSC::send_current_value (const char* path, lo_arg** argv, int argc, lo_message msg)
 527 {
 528         if (!session) {
 529                 return;
 530         }
 531
 532         lo_message reply = lo_message_new ();
 533         boost::shared_ptr<Route> r;
 534         int id;
 535
 536         lo_message_add_string (reply, path);
 537
 538         if (argc == 0) {
 539                 lo_message_add_string (reply, "bad syntax");
 540         } else {
 541                 id = argv[0]->i;
 542                 r = session->route_by_remote_id (id);
 543
 544                 if (!r) {
 545                         lo_message_add_string (reply, "not found");
 546                 } else {
 547
 548                         if (strcmp (path, "/routes/state") == 0) {
 549
 550                                 if (boost::dynamic_pointer_cast<AudioTrack>(r)) {
 551                                         lo_message_add_string (reply, "AT");
 552                                 } else if (boost::dynamic_pointer_cast<MidiTrack>(r)) {
 553                                         lo_message_add_string (reply, "MT");
 554                                 } else {
 555                                         lo_message_add_string (reply, "B");
 556                                 }
 557
 558                                 lo_message_add_string (reply, r->name().c_str());
 559                                 lo_message_add_int32 (reply, r->n_inputs().n_audio());
 560                                 lo_message_add_int32 (reply, r->n_outputs().n_audio());
 561                                 lo_message_add_int32 (reply, r->muted());
 562                                 lo_message_add_int32 (reply, r->soloed());
 563
 564                         } else if (strcmp (path, "/routes/mute") == 0) {
 565
 566                                 lo_message_add_int32 (reply, (float) r->muted());
 567
 568                         } else if (strcmp (path, "/routes/solo") == 0) {
 569
 570                                 lo_message_add_int32 (reply, r->soloed());
 571                         }
 572                 }
 573         }
 574
 575         lo_send_message (lo_message_get_source (msg), "#reply", reply);
 576         lo_message_free (reply);
 577 }
 578
 579 int
 580 OSC::_catchall (const char *path, const char *types, lo_arg **argv, int argc, void *data, void *user_data)
 581 {
 582         return ((OSC*)user_data)->catchall (path, types, argv, argc, data);
 583 }
 584
 585 int
 586 OSC::catchall (const char *path, const char* /*types*/, lo_arg **argv, int argc, lo_message msg)
 587 {
 588         size_t len;
 589         int ret = 1; /* unhandled */
 590
 591         //cerr << "Received a message, path = " << path << " types = \""
 592         //     << (types ? types : "NULL") << '"' << endl;
 593
 594         /* 15 for /#current_value plus 2 for /<path> */
 595
 596         len = strlen (path);
 597
 598         if (len >= 17 && !strcmp (&path[len-15], "/#current_value")) {
 599                 current_value_query (path, len, argv, argc, msg);
 600                 ret = 0;
 601
 602         } else if (strcmp (path, "/routes/listen") == 0) {
 603
 604                 cerr << "set up listener\n";
 605
 606                 lo_message reply = lo_message_new ();
 607
 608                 if (argc <= 0) {
 609                         lo_message_add_string (reply, "syntax error");
 610                 } else {
 611                         for (int n = 0; n < argc; ++n) {
 612
 613                                 boost::shared_ptr<Route> r = session->route_by_remote_id (argv[n]->i);
 614
 615                                 if (!r) {
 616                                         lo_message_add_string (reply, "not found");
 617                                         cerr << "no such route\n";
 618                                         break;
 619                                 } else {
 620                                         cerr << "add listener\n";
 621                                         listen_to_route (r, lo_message_get_source (msg));
 622                                         lo_message_add_int32 (reply, argv[n]->i);
 623                                 }
 624                         }
 625                 }
 626
 627                 lo_send_message (lo_message_get_source (msg), "#reply", reply);
 628                 lo_message_free (reply);
 629
 630                 ret = 0;
 631
 632         } else if (strcmp (path, "/routes/ignore") == 0) {
 633
 634                 for (int n = 0; n < argc; ++n) {
 635
 636                         boost::shared_ptr<Route> r = session->route_by_remote_id (argv[n]->i);
 637
 638                         if (r) {
 639                                 end_listen (r, lo_message_get_source (msg));
 640                         }
 641                 }
 642
 643                 ret = 0;
 644         }
 645
 646         return ret;
 647 }
 648
 649 void
 650 OSC::update_clock ()
 651 {
 652
 653 }
 654
 655 // "Application Hook" Handlers //
 656 void
 657 OSC::session_loaded (Session& s)
 658 {
 659         lo_address listener = lo_address_new (NULL, "7770");
 660         lo_send (listener, "/session/loaded", "ss", s.path().c_str(), s.name().c_str());
 661 }
 662
 663 void
 664 OSC::session_exported (std::string path, std::string name)
 665 {
 666         lo_address listener = lo_address_new (NULL, "7770");
 667         lo_send (listener, "/session/exported", "ss", path.c_str(), name.c_str());
 668 }
 669
 670 // end "Application Hook" Handlers //
 671
 672 /* path callbacks */
 673
 674 int
 675 OSC::current_value (const char */*path*/, const char */*types*/, lo_arg **/*argv*/, int /*argc*/, void */*data*/, void* /*user_data*/)
 676 {
 677 #if 0
 678         const char* returl;
 679
 680         if (argc < 3 || types == 0 || strlen (types) < 3 || types[0] != 's' || types[1] != 's' || types[2] != s) {
 681                 return 1;
 682         }
 683
 684         const char *returl = argv[1]->s;
 685         lo_address addr = find_or_cache_addr (returl);
 686
 687         const char *retpath = argv[2]->s;
 688
 689
 690         if (strcmp (argv[0]->s, "transport_frame") == 0) {
 691
 692                 if (session) {
 693                         lo_send (addr, retpath, "i", session->transport_frame());
 694                 }
 695
 696         } else if (strcmp (argv[0]->s, "transport_speed") == 0) {
 697
 698                 if (session) {
 699                         lo_send (addr, retpath, "i", session->transport_frame());
 700                 }
 701
 702         } else if (strcmp (argv[0]->s, "transport_locked") == 0) {
 703
 704                 if (session) {
 705                         lo_send (addr, retpath, "i", session->transport_frame());
 706                 }
 707
 708         } else if (strcmp (argv[0]->s, "punch_in") == 0) {
 709
 710                 if (session) {
 711                         lo_send (addr, retpath, "i", session->transport_frame());
 712                 }
 713
 714         } else if (strcmp (argv[0]->s, "punch_out") == 0) {
 715
 716                 if (session) {
 717                         lo_send (addr, retpath, "i", session->transport_frame());
 718                 }
 719
 720         } else if (strcmp (argv[0]->s, "rec_enable") == 0) {
 721
 722                 if (session) {
 723                         lo_send (addr, retpath, "i", session->transport_frame());
 724                 }
 725
 726         } else {
 727
 728                 /* error */
 729         }
 730 #endif
 731         return 0;
 732 }
 733
 734 void
 735 OSC::routes_list (lo_message msg)
 736 {
 737         for (int n = 0; n < (int) session->nroutes(); ++n) {
 738
 739                 boost::shared_ptr<Route> r = session->route_by_remote_id (n);
 740
 741                 if (r) {
 742
 743                         lo_message reply = lo_message_new ();
 744
 745                         if (boost::dynamic_pointer_cast<AudioTrack>(r)) {
 746                                 lo_message_add_string (reply, "AT");
 747                         } else if (boost::dynamic_pointer_cast<MidiTrack>(r)) {
 748                                 lo_message_add_string (reply, "MT");
 749                         } else {
 750                                 lo_message_add_string (reply, "B");
 751                         }
 752
 753                         lo_message_add_string (reply, r->name().c_str());
 754                         lo_message_add_int32 (reply, r->n_inputs().n_audio());
 755                         lo_message_add_int32 (reply, r->n_outputs().n_audio());
 756                         lo_message_add_int32 (reply, r->muted());
 757                         lo_message_add_int32 (reply, r->soloed());
 758                         lo_message_add_int32 (reply, r->remote_control_id());
 759
 760                         if (boost::dynamic_pointer_cast<AudioTrack>(r)
 761                                         || boost::dynamic_pointer_cast<MidiTrack>(r)) {
 762
 763                                 boost::shared_ptr<Track> t = boost::dynamic_pointer_cast<Track>(r);
 764                                 lo_message_add_int32 (reply, t->record_enabled());
 765                         }
 766
 767                         //Automatically listen to routes listed
 768                         listen_to_route(r, lo_message_get_source (msg));
 769
 770                         lo_send_message (lo_message_get_source (msg), "#reply", reply);
 771                         lo_message_free (reply);
 772                 }
 773         }
 774
 775         // Send end of listing message
 776         lo_message reply = lo_message_new ();
 777
 778         lo_message_add_string (reply, "end_route_list");
 779         lo_message_add_int64 (reply, session->frame_rate());
 780         lo_message_add_int64 (reply, session->current_end_frame());
 781
 782         lo_send_message (lo_message_get_source (msg), "#reply", reply);
 783
 784         lo_message_free (reply);
 785 }
 786
 787 void
 788 OSC::transport_frame (lo_message msg)
 789 {
 790         framepos_t pos = session->transport_frame ();
 791
 792         lo_message reply = lo_message_new ();
 793         lo_message_add_int64 (reply, pos);
 794
 795         lo_send_message (lo_message_get_source (msg), "/ardour/transport_frame", reply);
 796
 797         lo_message_free (reply);
 798 }
 799
 800 int
 801 OSC::route_mute (int rid, int yn)
 802 {
 803         if (!session) return -1;
 804
 805         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
 806
 807         if (r) {
 808                 r->set_mute (yn, this);
 809         }
 810
 811         return 0;
 812 }
 813
 814 int
 815 OSC::route_solo (int rid, int yn)
 816 {
 817         if (!session) return -1;
 818
 819         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
 820
 821         if (r) {
 822                 r->set_solo (yn, this);
 823         }
 824
 825         return 0;
 826 }
 827
 828 int
 829 OSC::route_recenable (int rid, int yn)
 830 {
 831         if (!session) return -1;
 832
 833         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
 834
 835         if (r) {
 836                 r->set_record_enabled (yn, this);
 837         }
 838
 839         return 0;
 840 }
 841
 842 int
 843 OSC::route_set_gain_abs (int rid, float level)
 844 {
 845         if (!session) return -1;
 846
 847         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
 848
 849         if (r) {
 850                 r->set_gain (level, this);
 851         }
 852
 853         return 0;
 854 }
 855
 856 int
 857 OSC::route_set_gain_dB (int rid, float dB)
 858 {
 859         return route_set_gain_abs (rid, dB_to_coefficient (dB));
 860 }
 861
 862
 863 int
 864 OSC::route_set_trim_abs (int rid, float level)
 865 {
 866         if (!session) return -1;
 867
 868         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
 869
 870         if (r) {
 871                 r->set_trim (level, this);
 872         }
 873
 874         return 0;
 875 }
 876
 877 int
 878 OSC::route_set_trim_dB (int rid, float dB)
 879 {
 880         return route_set_trim_abs(rid, dB_to_coefficient (dB));
 881 }
 882
 883
 884 int
 885 OSC::route_set_pan_stereo_position (int rid, float pos)
 886 {
 887         if (!session) return -1;
 888
 889         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
 890
 891         if (r) {
 892                 boost::shared_ptr<Panner> panner = r->panner();
 893                 if (panner) {
 894                         panner->set_position (pos);
 895                 }
 896         }
 897
 898         return 0;
 899
 900 }
 901
 902 int
 903 OSC::route_set_pan_stereo_width (int rid, float pos)
 904 {
 905         if (!session) return -1;
 906
 907         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
 908
 909         if (r) {
 910                 boost::shared_ptr<Panner> panner = r->panner();
 911                 if (panner) {
 912                         panner->set_width (pos);
 913                 }
 914         }
 915
 916         return 0;
 917
 918 }
 919
 920 int
 921 OSC::route_set_send_gain_abs (int rid, int sid, float val)
 922 {
 923         if (!session) {
 924                 return -1;
 925         }
 926
 927         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
 928
 929         if (!r) {
 930                 return -1;
 931         }
 932
 933         /* revert to zero-based counting */
 934
 935         if (sid > 0) {
 936                 --sid;
 937         }
 938
 939         boost::shared_ptr<Processor> p = r->nth_send (sid);
 940
 941         if (p) {
 942                 boost::shared_ptr<Send> s = boost::dynamic_pointer_cast<Send>(p);
 943                 boost::shared_ptr<Amp> a = s->amp();
 944
 945                 if (a) {
 946                         a->set_gain (val, this);
 947                 }
 948         }
 949         return 0;
 950 }
 951
 952 int
 953 OSC::route_set_send_gain_dB (int rid, int sid, float val)
 954 {
 955         if (!session) {
 956                 return -1;
 957         }
 958
 959         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
 960
 961         if (!r) {
 962                 return -1;
 963         }
 964
 965         /* revert to zero-based counting */
 966
 967         if (sid > 0) {
 968                 --sid;
 969         }
 970
 971         boost::shared_ptr<Processor> p = r->nth_send (sid);
 972
 973         if (p) {
 974                 boost::shared_ptr<Send> s = boost::dynamic_pointer_cast<Send>(p);
 975                 boost::shared_ptr<Amp> a = s->amp();
 976
 977                 if (a) {
 978                         a->set_gain (dB_to_coefficient (val), this);
 979                 }
 980         }
 981         return 0;
 982 }
 983
 984 int
 985 OSC::route_plugin_parameter (int rid, int piid, int par, float val)
 986 {
 987         if (!session)
 988                 return -1;
 989
 990         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
 991
 992         if (!r) {
 993                 PBD::error << "OSC: Invalid Remote Control ID '" << rid << "'" << endmsg;
 994                 return -1;
 995         }
 996
 997         boost::shared_ptr<Processor> redi=r->nth_plugin (piid);
 998
 999         if (!redi) {
1000                 PBD::error << "OSC: cannot find plugin # " << piid << " for RID '" << rid << "'" << endmsg;
1001                 return -1;
1002         }
1003
1004         boost::shared_ptr<PluginInsert> pi;
1005
1006         if (!(pi = boost::dynamic_pointer_cast<PluginInsert>(redi))) {
1007                 PBD::error << "OSC: given processor # " << piid << " on RID '" << rid << "' is not a Plugin." << endmsg;
1008                 return -1;
1009         }
1010
1011         boost::shared_ptr<ARDOUR::Plugin> pip = pi->plugin();
1012         bool ok=false;
1013
1014         uint32_t controlid = pip->nth_parameter (par,ok);
1015
1016         if (!ok) {
1017                 PBD::error << "OSC: Cannot find parameter # " << par <<  " for plugin # " << piid << " on RID '" << rid << "'" << endmsg;
1018                 return -1;
1019         }
1020
1021         if (!pip->parameter_is_input(controlid)) {
1022                 PBD::error << "OSC: Parameter # " << par <<  " for plugin # " << piid << " on RID '" << rid << "' is not a control input" << endmsg;
1023                 return -1;
1024         }
1025
1026         ParameterDescriptor pd;
1027         pi->plugin()->get_parameter_descriptor (controlid,pd);
1028
1029         if (val >= pd.lower && val < pd.upper) {
1030
1031                 boost::shared_ptr<AutomationControl> c = pi->automation_control (Evoral::Parameter(PluginAutomation, 0, controlid));
1032                 // cerr << "parameter:" << redi->describe_parameter(controlid) << " val:" << val << "\n";
1033                 c->set_value (val);
1034         } else {
1035                 PBD::warning << "OSC: Parameter # " << par <<  " for plugin # " << piid << " on RID '" << rid << "' is out of range" << endmsg;
1036                 PBD::info << "OSC: Valid range min=" << pd.lower << " max=" << pd.upper << endmsg;
1037         }
1038
1039         return 0;
1040 }
1041
1042 int
1043 OSC::route_plugin_parameter_print (int rid, int piid, int par)
1044 {
1045         if (!session) {
1046                 return -1;
1047         }
1048
1049         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
1050
1051         if (!r) {
1052                 return -1;
1053         }
1054
1055         boost::shared_ptr<Processor> redi=r->nth_processor (piid);
1056
1057         if (!redi) {
1058                 return -1;
1059         }
1060
1061         boost::shared_ptr<PluginInsert> pi;
1062
1063         if (!(pi = boost::dynamic_pointer_cast<PluginInsert>(redi))) {
1064                 return -1;
1065         }
1066
1067         boost::shared_ptr<ARDOUR::Plugin> pip = pi->plugin();
1068         bool ok=false;
1069
1070         uint32_t controlid = pip->nth_parameter (par,ok);
1071
1072         if (!ok) {
1073                 return -1;
1074         }
1075
1076         ParameterDescriptor pd;
1077
1078         if (pi->plugin()->get_parameter_descriptor (controlid, pd) == 0) {
1079                 boost::shared_ptr<AutomationControl> c = pi->automation_control (Evoral::Parameter(PluginAutomation, 0, controlid));
1080
1081                 cerr << "parameter:     " << redi->describe_parameter(controlid)  << "\n";
1082                 cerr << "current value: " << c->get_value ();
1083                 cerr << "lower value:   " << pd.lower << "\n";
1084                 cerr << "upper value:   " << pd.upper << "\n";
1085         }
1086
1087         return 0;
1088 }
1089
1090 XMLNode&
1091 OSC::get_state ()
1092 {
1093         return ControlProtocol::get_state();
1094 }
1095
1096 int
1097 OSC::set_state (const XMLNode& node, int version)
1098 {
1099         if (ControlProtocol::set_state (node, version)) {
1100                 return -1;
1101         }
1102
1103         return 0;
1104 }