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