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                 int fd = lo_server_get_socket_fd(_osc_server);
 281                 if (fd >=0) {
 282                         close(fd);
 283                 }
 284                 lo_server_free (_osc_server);
 285                 _osc_server = 0;
 286         }
 287
 288         if (_osc_unix_server) {
 289                 int fd = lo_server_get_socket_fd(_osc_unix_server);
 290                 if (fd >=0) {
 291                         close(fd);
 292                 }
 293                 lo_server_free (_osc_unix_server);
 294                 _osc_unix_server = 0;
 295         }
 296
 297         if (!_osc_unix_socket_path.empty()) {
 298                 ::g_unlink (_osc_unix_socket_path.c_str());
 299         }
 300
 301         if (!_osc_url_file.empty() ) {
 302                 ::g_unlink (_osc_url_file.c_str() );
 303         }
 304
 305         // Delete any active route observers
 306         for (RouteObservers::iterator x = route_observers.begin(); x != route_observers.end();) {
 307
 308                 OSCRouteObserver* rc;
 309
 310                 if ((rc = dynamic_cast<OSCRouteObserver*>(*x)) != 0) {
 311                         delete *x;
 312                         x = route_observers.erase (x);
 313                 } else {
 314                         ++x;
 315                 }
 316         }
 317
 318         return 0;
 319 }
 320
 321 void
 322 OSC::register_callbacks()
 323 {
 324         lo_server srvs[2];
 325         lo_server serv;
 326
 327         srvs[0] = _osc_server;
 328         srvs[1] = _osc_unix_server;
 329
 330         for (size_t i = 0; i < 2; ++i) {
 331
 332                 if (!srvs[i]) {
 333                         continue;
 334                 }
 335
 336                 serv = srvs[i];
 337
 338                 /* this is a special catchall handler */
 339
 340                 lo_server_add_method (serv, 0, 0, _catchall, this);
 341
 342 #define REGISTER_CALLBACK(serv,path,types, function) lo_server_add_method (serv, path, types, OSC::_ ## function, this)
 343
 344                 REGISTER_CALLBACK (serv, "/routes/list", "", routes_list);
 345                 REGISTER_CALLBACK (serv, "/ardour/add_marker", "", add_marker);
 346                 REGISTER_CALLBACK (serv, "/ardour/access_action", "s", access_action);
 347                 REGISTER_CALLBACK (serv, "/ardour/loop_toggle", "", loop_toggle);
 348                 REGISTER_CALLBACK (serv, "/ardour/loop_location", "ii", loop_location);
 349                 REGISTER_CALLBACK (serv, "/ardour/goto_start", "", goto_start);
 350                 REGISTER_CALLBACK (serv, "/ardour/goto_end", "", goto_end);
 351                 REGISTER_CALLBACK (serv, "/ardour/rewind", "", rewind);
 352                 REGISTER_CALLBACK (serv, "/ardour/ffwd", "", ffwd);
 353                 REGISTER_CALLBACK (serv, "/ardour/transport_stop", "", transport_stop);
 354                 REGISTER_CALLBACK (serv, "/ardour/transport_play", "", transport_play);
 355                 REGISTER_CALLBACK (serv, "/ardour/transport_frame", "", transport_frame);
 356                 REGISTER_CALLBACK (serv, "/ardour/set_transport_speed", "f", set_transport_speed);
 357                 REGISTER_CALLBACK (serv, "/ardour/locate", "ii", locate);
 358                 REGISTER_CALLBACK (serv, "/ardour/save_state", "", save_state);
 359                 REGISTER_CALLBACK (serv, "/ardour/prev_marker", "", prev_marker);
 360                 REGISTER_CALLBACK (serv, "/ardour/next_marker", "", next_marker);
 361                 REGISTER_CALLBACK (serv, "/ardour/undo", "", undo);
 362                 REGISTER_CALLBACK (serv, "/ardour/redo", "", redo);
 363                 REGISTER_CALLBACK (serv, "/ardour/toggle_punch_in", "", toggle_punch_in);
 364                 REGISTER_CALLBACK (serv, "/ardour/toggle_punch_out", "", toggle_punch_out);
 365                 REGISTER_CALLBACK (serv, "/ardour/rec_enable_toggle", "", rec_enable_toggle);
 366                 REGISTER_CALLBACK (serv, "/ardour/toggle_all_rec_enables", "", toggle_all_rec_enables);
 367
 368                 REGISTER_CALLBACK (serv, "/ardour/routes/mute", "ii", route_mute);
 369                 REGISTER_CALLBACK (serv, "/ardour/routes/solo", "ii", route_solo);
 370                 REGISTER_CALLBACK (serv, "/ardour/routes/recenable", "ii", route_recenable);
 371                 REGISTER_CALLBACK (serv, "/ardour/routes/gainabs", "if", route_set_gain_abs);
 372                 REGISTER_CALLBACK (serv, "/ardour/routes/gaindB", "if", route_set_gain_dB);
 373                 REGISTER_CALLBACK (serv, "/ardour/routes/pan_stereo_position", "if", route_set_pan_stereo_position);
 374                 REGISTER_CALLBACK (serv, "/ardour/routes/pan_stereo_width", "if", route_set_pan_stereo_width);
 375                 REGISTER_CALLBACK (serv, "/ardour/routes/plugin/parameter", "iiif", route_plugin_parameter);
 376                 REGISTER_CALLBACK (serv, "/ardour/routes/plugin/parameter/print", "iii", route_plugin_parameter_print);
 377                 REGISTER_CALLBACK (serv, "/ardour/routes/send/gainabs", "iif", route_set_send_gain_abs);
 378                 REGISTER_CALLBACK (serv, "/ardour/routes/send/gaindB", "iif", route_set_send_gain_dB);
 379
 380                 /* still not-really-standardized query interface */
 381                 //REGISTER_CALLBACK (serv, "/ardour/*/#current_value", "", current_value);
 382                 //REGISTER_CALLBACK (serv, "/ardour/set", "", set);
 383
 384                 // un/register_update args= s:ctrl s:returl s:retpath
 385                 //lo_server_add_method(serv, "/register_update", "sss", OSC::global_register_update_handler, this);
 386                 //lo_server_add_method(serv, "/unregister_update", "sss", OSC::global_unregister_update_handler, this);
 387                 //lo_server_add_method(serv, "/register_auto_update", "siss", OSC::global_register_auto_update_handler, this);
 388                 //lo_server_add_method(serv, "/unregister_auto_update", "sss", OSC::_global_unregister_auto_update_handler, this);
 389
 390         }
 391 }
 392
 393 bool
 394 OSC::osc_input_handler (IOCondition ioc, lo_server srv)
 395 {
 396         if (ioc & ~IO_IN) {
 397                 return false;
 398         }
 399
 400         if (ioc & IO_IN) {
 401                 lo_server_recv (srv);
 402         }
 403
 404         return true;
 405 }
 406
 407 std::string
 408 OSC::get_server_url()
 409 {
 410         string url;
 411         char * urlstr;
 412
 413         if (_osc_server) {
 414                 urlstr = lo_server_get_url (_osc_server);
 415                 url = urlstr;
 416                 free (urlstr);
 417         }
 418
 419         return url;
 420 }
 421
 422 std::string
 423 OSC::get_unix_server_url()
 424 {
 425         string url;
 426         char * urlstr;
 427
 428         if (_osc_unix_server) {
 429                 urlstr = lo_server_get_url (_osc_unix_server);
 430                 url = urlstr;
 431                 free (urlstr);
 432         }
 433
 434         return url;
 435 }
 436
 437 void
 438 OSC::listen_to_route (boost::shared_ptr<Route> route, lo_address addr)
 439 {
 440         /* avoid duplicate listens */
 441
 442         for (RouteObservers::iterator x = route_observers.begin(); x != route_observers.end(); ++x) {
 443
 444                 OSCRouteObserver* ro;
 445
 446                 if ((ro = dynamic_cast<OSCRouteObserver*>(*x)) != 0) {
 447
 448                         int res = strcmp(lo_address_get_hostname(ro->address()), lo_address_get_hostname(addr));
 449
 450                         if (ro->route() == route && res == 0) {
 451                                 return;
 452                         }
 453                 }
 454         }
 455
 456         OSCRouteObserver* o = new OSCRouteObserver (route, addr);
 457         route_observers.push_back (o);
 458
 459         route->DropReferences.connect (*this, MISSING_INVALIDATOR, boost::bind (&OSC::drop_route, this, boost::weak_ptr<Route> (route)), this);
 460 }
 461
 462 void
 463 OSC::drop_route (boost::weak_ptr<Route> wr)
 464 {
 465         boost::shared_ptr<Route> r = wr.lock ();
 466
 467         if (!r) {
 468                 return;
 469         }
 470
 471         for (RouteObservers::iterator x = route_observers.begin(); x != route_observers.end();) {
 472
 473                 OSCRouteObserver* rc;
 474
 475                 if ((rc = dynamic_cast<OSCRouteObserver*>(*x)) != 0) {
 476
 477                         if (rc->route() == r) {
 478                                 delete *x;
 479                                 x = route_observers.erase (x);
 480                         } else {
 481                                 ++x;
 482                         }
 483                 } else {
 484                         ++x;
 485                 }
 486         }
 487 }
 488
 489 void
 490 OSC::end_listen (boost::shared_ptr<Route> r, lo_address addr)
 491 {
 492         RouteObservers::iterator x;
 493
 494         // Remove the route observers
 495         for (x = route_observers.begin(); x != route_observers.end();) {
 496
 497                 OSCRouteObserver* ro;
 498
 499                 if ((ro = dynamic_cast<OSCRouteObserver*>(*x)) != 0) {
 500
 501                         int res = strcmp(lo_address_get_hostname(ro->address()), lo_address_get_hostname(addr));
 502
 503                         if (ro->route() == r && res == 0) {
 504                                 delete *x;
 505                                 x = route_observers.erase (x);
 506                         }
 507                         else {
 508                                 ++x;
 509                         }
 510                 }
 511                 else {
 512                         ++x;
 513                 }
 514         }
 515 }
 516
 517 void
 518 OSC::current_value_query (const char* path, size_t len, lo_arg **argv, int argc, lo_message msg)
 519 {
 520         char* subpath;
 521
 522         subpath = (char*) malloc (len-15+1);
 523         memcpy (subpath, path, len-15);
 524         subpath[len-15] = '\0';
 525
 526         send_current_value (subpath, argv, argc, msg);
 527
 528         free (subpath);
 529 }
 530
 531 void
 532 OSC::send_current_value (const char* path, lo_arg** argv, int argc, lo_message msg)
 533 {
 534         if (!session) {
 535                 return;
 536         }
 537
 538         lo_message reply = lo_message_new ();
 539         boost::shared_ptr<Route> r;
 540         int id;
 541
 542         lo_message_add_string (reply, path);
 543
 544         if (argc == 0) {
 545                 lo_message_add_string (reply, "bad syntax");
 546         } else {
 547                 id = argv[0]->i;
 548                 r = session->route_by_remote_id (id);
 549
 550                 if (!r) {
 551                         lo_message_add_string (reply, "not found");
 552                 } else {
 553
 554                         if (strcmp (path, "/routes/state") == 0) {
 555
 556                                 if (boost::dynamic_pointer_cast<AudioTrack>(r)) {
 557                                         lo_message_add_string (reply, "AT");
 558                                 } else if (boost::dynamic_pointer_cast<MidiTrack>(r)) {
 559                                         lo_message_add_string (reply, "MT");
 560                                 } else {
 561                                         lo_message_add_string (reply, "B");
 562                                 }
 563
 564                                 lo_message_add_string (reply, r->name().c_str());
 565                                 lo_message_add_int32 (reply, r->n_inputs().n_audio());
 566                                 lo_message_add_int32 (reply, r->n_outputs().n_audio());
 567                                 lo_message_add_int32 (reply, r->muted());
 568                                 lo_message_add_int32 (reply, r->soloed());
 569
 570                         } else if (strcmp (path, "/routes/mute") == 0) {
 571
 572                                 lo_message_add_int32 (reply, (float) r->muted());
 573
 574                         } else if (strcmp (path, "/routes/solo") == 0) {
 575
 576                                 lo_message_add_int32 (reply, r->soloed());
 577                         }
 578                 }
 579         }
 580
 581         lo_send_message (lo_message_get_source (msg), "#reply", reply);
 582         lo_message_free (reply);
 583 }
 584
 585 int
 586 OSC::_catchall (const char *path, const char *types, lo_arg **argv, int argc, void *data, void *user_data)
 587 {
 588         return ((OSC*)user_data)->catchall (path, types, argv, argc, data);
 589 }
 590
 591 int
 592 OSC::catchall (const char *path, const char* /*types*/, lo_arg **argv, int argc, lo_message msg)
 593 {
 594         size_t len;
 595         int ret = 1; /* unhandled */
 596
 597         //cerr << "Received a message, path = " << path << " types = \""
 598         //     << (types ? types : "NULL") << '"' << endl;
 599
 600         /* 15 for /#current_value plus 2 for /<path> */
 601
 602         len = strlen (path);
 603
 604         if (len >= 17 && !strcmp (&path[len-15], "/#current_value")) {
 605                 current_value_query (path, len, argv, argc, msg);
 606                 ret = 0;
 607
 608         } else if (strcmp (path, "/routes/listen") == 0) {
 609
 610                 cerr << "set up listener\n";
 611
 612                 lo_message reply = lo_message_new ();
 613
 614                 if (argc <= 0) {
 615                         lo_message_add_string (reply, "syntax error");
 616                 } else {
 617                         for (int n = 0; n < argc; ++n) {
 618
 619                                 boost::shared_ptr<Route> r = session->route_by_remote_id (argv[n]->i);
 620
 621                                 if (!r) {
 622                                         lo_message_add_string (reply, "not found");
 623                                         cerr << "no such route\n";
 624                                         break;
 625                                 } else {
 626                                         cerr << "add listener\n";
 627                                         listen_to_route (r, lo_message_get_source (msg));
 628                                         lo_message_add_int32 (reply, argv[n]->i);
 629                                 }
 630                         }
 631                 }
 632
 633                 lo_send_message (lo_message_get_source (msg), "#reply", reply);
 634                 lo_message_free (reply);
 635
 636                 ret = 0;
 637
 638         } else if (strcmp (path, "/routes/ignore") == 0) {
 639
 640                 for (int n = 0; n < argc; ++n) {
 641
 642                         boost::shared_ptr<Route> r = session->route_by_remote_id (argv[n]->i);
 643
 644                         if (r) {
 645                                 end_listen (r, lo_message_get_source (msg));
 646                         }
 647                 }
 648
 649                 ret = 0;
 650         }
 651
 652         return ret;
 653 }
 654
 655 void
 656 OSC::update_clock ()
 657 {
 658
 659 }
 660
 661 // "Application Hook" Handlers //
 662 void
 663 OSC::session_loaded (Session& s)
 664 {
 665         lo_address listener = lo_address_new (NULL, "7770");
 666         lo_send (listener, "/session/loaded", "ss", s.path().c_str(), s.name().c_str());
 667 }
 668
 669 void
 670 OSC::session_exported (std::string path, std::string name)
 671 {
 672         lo_address listener = lo_address_new (NULL, "7770");
 673         lo_send (listener, "/session/exported", "ss", path.c_str(), name.c_str());
 674 }
 675
 676 // end "Application Hook" Handlers //
 677
 678 /* path callbacks */
 679
 680 int
 681 OSC::current_value (const char */*path*/, const char */*types*/, lo_arg **/*argv*/, int /*argc*/, void */*data*/, void* /*user_data*/)
 682 {
 683 #if 0
 684         const char* returl;
 685
 686         if (argc < 3 || types == 0 || strlen (types) < 3 || types[0] != 's' || types[1] != 's' || types[2] != s) {
 687                 return 1;
 688         }
 689
 690         const char *returl = argv[1]->s;
 691         lo_address addr = find_or_cache_addr (returl);
 692
 693         const char *retpath = argv[2]->s;
 694
 695
 696         if (strcmp (argv[0]->s, "transport_frame") == 0) {
 697
 698                 if (session) {
 699                         lo_send (addr, retpath, "i", session->transport_frame());
 700                 }
 701
 702         } else if (strcmp (argv[0]->s, "transport_speed") == 0) {
 703
 704                 if (session) {
 705                         lo_send (addr, retpath, "i", session->transport_frame());
 706                 }
 707
 708         } else if (strcmp (argv[0]->s, "transport_locked") == 0) {
 709
 710                 if (session) {
 711                         lo_send (addr, retpath, "i", session->transport_frame());
 712                 }
 713
 714         } else if (strcmp (argv[0]->s, "punch_in") == 0) {
 715
 716                 if (session) {
 717                         lo_send (addr, retpath, "i", session->transport_frame());
 718                 }
 719
 720         } else if (strcmp (argv[0]->s, "punch_out") == 0) {
 721
 722                 if (session) {
 723                         lo_send (addr, retpath, "i", session->transport_frame());
 724                 }
 725
 726         } else if (strcmp (argv[0]->s, "rec_enable") == 0) {
 727
 728                 if (session) {
 729                         lo_send (addr, retpath, "i", session->transport_frame());
 730                 }
 731
 732         } else {
 733
 734                 /* error */
 735         }
 736 #endif
 737         return 0;
 738 }
 739
 740 void
 741 OSC::routes_list (lo_message msg)
 742 {
 743         for (int n = 0; n < (int) session->nroutes(); ++n) {
 744
 745                 boost::shared_ptr<Route> r = session->route_by_remote_id (n);
 746
 747                 if (r) {
 748
 749                         lo_message reply = lo_message_new ();
 750
 751                         if (boost::dynamic_pointer_cast<AudioTrack>(r)) {
 752                                 lo_message_add_string (reply, "AT");
 753                         } else if (boost::dynamic_pointer_cast<MidiTrack>(r)) {
 754                                 lo_message_add_string (reply, "MT");
 755                         } else {
 756                                 lo_message_add_string (reply, "B");
 757                         }
 758
 759                         lo_message_add_string (reply, r->name().c_str());
 760                         lo_message_add_int32 (reply, r->n_inputs().n_audio());
 761                         lo_message_add_int32 (reply, r->n_outputs().n_audio());
 762                         lo_message_add_int32 (reply, r->muted());
 763                         lo_message_add_int32 (reply, r->soloed());
 764                         lo_message_add_int32 (reply, r->remote_control_id());
 765
 766                         if (boost::dynamic_pointer_cast<AudioTrack>(r)
 767                                         || boost::dynamic_pointer_cast<MidiTrack>(r)) {
 768
 769                                 boost::shared_ptr<Track> t = boost::dynamic_pointer_cast<Track>(r);
 770                                 lo_message_add_int32 (reply, t->record_enabled());
 771                         }
 772
 773                         //Automatically listen to routes listed
 774                         listen_to_route(r, lo_message_get_source (msg));
 775
 776                         lo_send_message (lo_message_get_source (msg), "#reply", reply);
 777                         lo_message_free (reply);
 778                 }
 779         }
 780
 781         // Send end of listing message
 782         lo_message reply = lo_message_new ();
 783
 784         lo_message_add_string (reply, "end_route_list");
 785         lo_message_add_int64 (reply, session->frame_rate());
 786         lo_message_add_int64 (reply, session->current_end_frame());
 787
 788         lo_send_message (lo_message_get_source (msg), "#reply", reply);
 789
 790         lo_message_free (reply);
 791 }
 792
 793 void
 794 OSC::transport_frame (lo_message msg)
 795 {
 796         framepos_t pos = session->transport_frame ();
 797
 798         lo_message reply = lo_message_new ();
 799         lo_message_add_int64 (reply, pos);
 800
 801         lo_send_message (lo_message_get_source (msg), "/ardour/transport_frame", reply);
 802
 803         lo_message_free (reply);
 804 }
 805
 806 int
 807 OSC::route_mute (int rid, int yn)
 808 {
 809         if (!session) return -1;
 810
 811         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
 812
 813         if (r) {
 814                 r->set_mute (yn, this);
 815         }
 816
 817         return 0;
 818 }
 819
 820 int
 821 OSC::route_solo (int rid, int yn)
 822 {
 823         if (!session) return -1;
 824
 825         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
 826
 827         if (r) {
 828                 r->set_solo (yn, this);
 829         }
 830
 831         return 0;
 832 }
 833
 834 int
 835 OSC::route_recenable (int rid, int yn)
 836 {
 837         if (!session) return -1;
 838
 839         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
 840
 841         if (r) {
 842                 r->set_record_enabled (yn, this);
 843         }
 844
 845         return 0;
 846 }
 847
 848 int
 849 OSC::route_set_gain_abs (int rid, float level)
 850 {
 851         if (!session) return -1;
 852
 853         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
 854
 855         if (r) {
 856                 r->set_gain (level, this);
 857         }
 858
 859         return 0;
 860 }
 861
 862 int
 863 OSC::route_set_gain_dB (int rid, float dB)
 864 {
 865         if (!session) return -1;
 866
 867         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
 868
 869         if (r) {
 870                 r->set_gain (dB_to_coefficient (dB), this);
 871         }
 872
 873         return 0;
 874 }
 875
 876 int
 877 OSC::route_set_pan_stereo_position (int rid, float pos)
 878 {
 879         if (!session) return -1;
 880
 881         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
 882
 883         if (r) {
 884                 boost::shared_ptr<Panner> panner = r->panner();
 885                 if (panner) {
 886                         panner->set_position (pos);
 887                 }
 888         }
 889
 890         return 0;
 891
 892 }
 893
 894 int
 895 OSC::route_set_pan_stereo_width (int rid, float pos)
 896 {
 897         if (!session) return -1;
 898
 899         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
 900
 901         if (r) {
 902                 boost::shared_ptr<Panner> panner = r->panner();
 903                 if (panner) {
 904                         panner->set_width (pos);
 905                 }
 906         }
 907
 908         return 0;
 909
 910 }
 911
 912 int
 913 OSC::route_set_send_gain_abs (int rid, int sid, float val)
 914 {
 915         if (!session) {
 916                 return -1;
 917         }
 918
 919         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
 920
 921         if (!r) {
 922                 return -1;
 923         }
 924
 925         /* revert to zero-based counting */
 926
 927         if (sid > 0) {
 928                 --sid;
 929         }
 930
 931         boost::shared_ptr<Processor> p = r->nth_send (sid);
 932
 933         if (p) {
 934                 boost::shared_ptr<Send> s = boost::dynamic_pointer_cast<Send>(p);
 935                 boost::shared_ptr<Amp> a = s->amp();
 936
 937                 if (a) {
 938                         a->set_gain (val, this);
 939                 }
 940         }
 941         return 0;
 942 }
 943
 944 int
 945 OSC::route_set_send_gain_dB (int rid, int sid, float val)
 946 {
 947         if (!session) {
 948                 return -1;
 949         }
 950
 951         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
 952
 953         if (!r) {
 954                 return -1;
 955         }
 956
 957         /* revert to zero-based counting */
 958
 959         if (sid > 0) {
 960                 --sid;
 961         }
 962
 963         boost::shared_ptr<Processor> p = r->nth_send (sid);
 964
 965         if (p) {
 966                 boost::shared_ptr<Send> s = boost::dynamic_pointer_cast<Send>(p);
 967                 boost::shared_ptr<Amp> a = s->amp();
 968
 969                 if (a) {
 970                         a->set_gain (dB_to_coefficient (val), this);
 971                 }
 972         }
 973         return 0;
 974 }
 975
 976 int
 977 OSC::route_plugin_parameter (int rid, int piid, int par, float val)
 978 {
 979         if (!session)
 980                 return -1;
 981
 982         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
 983
 984         if (!r) {
 985                 PBD::error << "OSC: Invalid Remote Control ID '" << rid << "'" << endmsg;
 986                 return -1;
 987         }
 988
 989         boost::shared_ptr<Processor> redi=r->nth_plugin (piid);
 990
 991         if (!redi) {
 992                 PBD::error << "OSC: cannot find plugin # " << piid << " for RID '" << rid << "'" << endmsg;
 993                 return -1;
 994         }
 995
 996         boost::shared_ptr<PluginInsert> pi;
 997
 998         if (!(pi = boost::dynamic_pointer_cast<PluginInsert>(redi))) {
 999                 PBD::error << "OSC: given processor # " << piid << " on RID '" << rid << "' is not a Plugin." << endmsg;
1000                 return -1;
1001         }
1002
1003         boost::shared_ptr<ARDOUR::Plugin> pip = pi->plugin();
1004         bool ok=false;
1005
1006         uint32_t controlid = pip->nth_parameter (par,ok);
1007
1008         if (!ok) {
1009                 PBD::error << "OSC: Cannot find parameter # " << par <<  " for plugin # " << piid << " on RID '" << rid << "'" << endmsg;
1010                 return -1;
1011         }
1012
1013         if (!pip->parameter_is_input(controlid)) {
1014                 PBD::error << "OSC: Parameter # " << par <<  " for plugin # " << piid << " on RID '" << rid << "' is not a control input" << endmsg;
1015                 return -1;
1016         }
1017
1018         ParameterDescriptor pd;
1019         pi->plugin()->get_parameter_descriptor (controlid,pd);
1020
1021         if (val >= pd.lower && val < pd.upper) {
1022
1023                 boost::shared_ptr<AutomationControl> c = pi->automation_control (Evoral::Parameter(PluginAutomation, 0, controlid));
1024                 // cerr << "parameter:" << redi->describe_parameter(controlid) << " val:" << val << "\n";
1025                 c->set_value (val);
1026         } else {
1027                 PBD::warning << "OSC: Parameter # " << par <<  " for plugin # " << piid << " on RID '" << rid << "' is out of range" << endmsg;
1028                 PBD::info << "OSC: Valid range min=" << pd.lower << " max=" << pd.upper << endmsg;
1029         }
1030
1031         return 0;
1032 }
1033
1034 int
1035 OSC::route_plugin_parameter_print (int rid, int piid, int par)
1036 {
1037         if (!session) {
1038                 return -1;
1039         }
1040
1041         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
1042
1043         if (!r) {
1044                 return -1;
1045         }
1046
1047         boost::shared_ptr<Processor> redi=r->nth_processor (piid);
1048
1049         if (!redi) {
1050                 return -1;
1051         }
1052
1053         boost::shared_ptr<PluginInsert> pi;
1054
1055         if (!(pi = boost::dynamic_pointer_cast<PluginInsert>(redi))) {
1056                 return -1;
1057         }
1058
1059         boost::shared_ptr<ARDOUR::Plugin> pip = pi->plugin();
1060         bool ok=false;
1061
1062         uint32_t controlid = pip->nth_parameter (par,ok);
1063
1064         if (!ok) {
1065                 return -1;
1066         }
1067
1068         ParameterDescriptor pd;
1069
1070         if (pi->plugin()->get_parameter_descriptor (controlid, pd) == 0) {
1071                 boost::shared_ptr<AutomationControl> c = pi->automation_control (Evoral::Parameter(PluginAutomation, 0, controlid));
1072
1073                 cerr << "parameter:     " << redi->describe_parameter(controlid)  << "\n";
1074                 cerr << "current value: " << c->get_value ();
1075                 cerr << "lower value:   " << pd.lower << "\n";
1076                 cerr << "upper value:   " << pd.upper << "\n";
1077         }
1078
1079         return 0;
1080 }
1081
1082 XMLNode&
1083 OSC::get_state ()
1084 {
1085         XMLNode& node (ControlProtocol::get_state());
1086
1087         node.add_property (X_("feedback"), _send_route_changes ? "1" : "0");
1088         return node;
1089 }
1090
1091 int
1092 OSC::set_state (const XMLNode& node, int /*version*/)
1093 {
1094         const XMLProperty* prop = node.property (X_("feedback"));
1095
1096         if (prop) {
1097                 if (PBD::string_is_affirmative (prop->value())) {
1098                         _send_route_changes = true;
1099                 } else {
1100                         _send_route_changes = false;
1101                 }
1102         } else {
1103                 /* leave it alone */
1104         }
1105
1106         return 0;
1107 }