libs/surfaces/osc/osc.cc

   1 /*
   2  * Copyright (C) 2006 Paul Davis
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software
  16  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  17  *
  18  */
  19
  20 #include <cstdio>
  21 #include <cstdlib>
  22 #include <cerrno>
  23 #include <algorithm>
  24
  25 #include <unistd.h>
  26 #include <fcntl.h>
  27
  28 #include "pbd/gstdio_compat.h"
  29 #include <glibmm/miscutils.h>
  30
  31 #include <pbd/convert.h>
  32 #include <pbd/pthread_utils.h>
  33 #include <pbd/file_utils.h>
  34 #include <pbd/failed_constructor.h>
  35
  36 #include "ardour/amp.h"
  37 #include "ardour/session.h"
  38 #include "ardour/route.h"
  39 #include "ardour/audio_track.h"
  40 #include "ardour/midi_track.h"
  41 #include "ardour/dB.h"
  42 #include "ardour/filesystem_paths.h"
  43 #include "ardour/panner.h"
  44 #include "ardour/plugin.h"
  45 #include "ardour/plugin_insert.h"
  46 #include "ardour/send.h"
  47
  48 #include "osc.h"
  49 #include "osc_controllable.h"
  50 #include "osc_route_observer.h"
  51 #include "i18n.h"
  52
  53 using namespace ARDOUR;
  54 using namespace std;
  55 using namespace Glib;
  56 using namespace ArdourSurface;
  57
  58 #include "pbd/abstract_ui.cc" // instantiate template
  59
  60 OSC* OSC::_instance = 0;
  61
  62 #ifdef DEBUG
  63 static void error_callback(int num, const char *m, const char *path)
  64 {
  65         fprintf(stderr, "liblo server error %d in path %s: %s\n", num, path, m);
  66 }
  67 #else
  68 static void error_callback(int, const char *, const char *)
  69 {
  70
  71 }
  72 #endif
  73
  74 OSC::OSC (Session& s, uint32_t port)
  75         : ControlProtocol (s, X_("Open Sound Control (OSC)"))
  76         , AbstractUI<OSCUIRequest> (name())
  77         , local_server (0)
  78         , remote_server (0)
  79         , _port(port)
  80         , _ok (true)
  81         , _shutdown (false)
  82         , _osc_server (0)
  83         , _osc_unix_server (0)
  84         , _namespace_root ("/ardour")
  85         , _send_route_changes (true)
  86 {
  87         _instance = this;
  88
  89         session_loaded (s);
  90         session->Exported.connect (*this, MISSING_INVALIDATOR, boost::bind (&OSC::session_exported, this, _1, _2), this);
  91 }
  92
  93 OSC::~OSC()
  94 {
  95         stop ();
  96         _instance = 0;
  97 }
  98
  99 void*
 100 OSC::request_factory (uint32_t num_requests)
 101 {
 102         /* AbstractUI<T>::request_buffer_factory() is a template method only
 103            instantiated in this source module. To provide something visible for
 104            use in the interface/descriptor, we have this static method that is
 105            template-free.
 106         */
 107         return request_buffer_factory (num_requests);
 108 }
 109
 110 void
 111 OSC::do_request (OSCUIRequest* req)
 112 {
 113         if (req->type == CallSlot) {
 114
 115                 call_slot (MISSING_INVALIDATOR, req->the_slot);
 116
 117         } else if (req->type == Quit) {
 118
 119                 stop ();
 120         }
 121 }
 122
 123 int
 124 OSC::set_active (bool yn)
 125 {
 126         if (yn != active()) {
 127
 128                 if (yn) {
 129                         if (start ()) {
 130                                 return -1;
 131                         }
 132                 } else {
 133                         if (stop ()) {
 134                                 return -1;
 135                         }
 136                 }
 137
 138         }
 139
 140         return ControlProtocol::set_active (yn);
 141 }
 142
 143 bool
 144 OSC::get_active () const
 145 {
 146         return _osc_server != 0;
 147 }
 148
 149 int
 150 OSC::set_feedback (bool yn)
 151 {
 152         _send_route_changes = yn;
 153         return 0;
 154 }
 155
 156 bool
 157 OSC::get_feedback () const
 158 {
 159         return _send_route_changes;
 160 }
 161
 162 int
 163 OSC::start ()
 164 {
 165         char tmpstr[255];
 166
 167         if (_osc_server) {
 168                 /* already started */
 169                 return 0;
 170         }
 171
 172         for (int j=0; j < 20; ++j) {
 173                 snprintf(tmpstr, sizeof(tmpstr), "%d", _port);
 174
 175                 //if ((_osc_server = lo_server_new_with_proto (tmpstr, LO_TCP, error_callback))) {
 176                 //      break;
 177                 //}
 178
 179                 if ((_osc_server = lo_server_new (tmpstr, error_callback))) {
 180                         break;
 181                 }
 182
 183 #ifdef DEBUG
 184                 cerr << "can't get osc at port: " << _port << endl;
 185 #endif
 186                 _port++;
 187                 continue;
 188         }
 189
 190         if (!_osc_server) {
 191                 return 1;
 192         }
 193
 194 #ifdef ARDOUR_OSC_UNIX_SERVER
 195
 196         // APPEARS sluggish for now
 197
 198         // attempt to create unix socket server too
 199
 200         snprintf(tmpstr, sizeof(tmpstr), "/tmp/sooperlooper_XXXXXX");
 201         int fd = mkstemp(tmpstr);
 202
 203         if (fd >= 0 ) {
 204                 ::g_unlink (tmpstr);
 205                 close (fd);
 206
 207                 _osc_unix_server = lo_server_new (tmpstr, error_callback);
 208
 209                 if (_osc_unix_server) {
 210                         _osc_unix_socket_path = tmpstr;
 211                 }
 212         }
 213 #endif
 214
 215         PBD::info << "OSC @ " << get_server_url () << endmsg;
 216
 217         std::string url_file;
 218
 219         if (find_file (ardour_config_search_path(), "osc_url", url_file)) {
 220                 _osc_url_file = url_file;
 221                 if (g_file_set_contents (_osc_url_file.c_str(), get_server_url().c_str(), -1, NULL)) {
 222                         cerr << "Couldn't write '" <<  _osc_url_file << "'" <<endl;
 223                 }
 224         }
 225
 226         register_callbacks();
 227
 228         // lo_server_thread_add_method(_sthread, NULL, NULL, OSC::_dummy_handler, this);
 229
 230         /* startup the event loop thread */
 231
 232         BaseUI::run ();
 233
 234         return 0;
 235 }
 236
 237 void
 238 OSC::thread_init ()
 239 {
 240         pthread_set_name (event_loop_name().c_str());
 241
 242         if (_osc_unix_server) {
 243                 Glib::RefPtr<IOSource> src = IOSource::create (lo_server_get_socket_fd (_osc_unix_server), IO_IN|IO_HUP|IO_ERR);
 244                 src->connect (sigc::bind (sigc::mem_fun (*this, &OSC::osc_input_handler), _osc_unix_server));
 245                 src->attach (_main_loop->get_context());
 246                 local_server = src->gobj();
 247                 g_source_ref (local_server);
 248         }
 249
 250         if (_osc_server) {
 251                 Glib::RefPtr<IOSource> src  = IOSource::create (lo_server_get_socket_fd (_osc_server), IO_IN|IO_HUP|IO_ERR);
 252                 src->connect (sigc::bind (sigc::mem_fun (*this, &OSC::osc_input_handler), _osc_server));
 253                 src->attach (_main_loop->get_context());
 254                 remote_server = src->gobj();
 255                 g_source_ref (remote_server);
 256         }
 257
 258         PBD::notify_event_loops_about_thread_creation (pthread_self(), event_loop_name(), 2048);
 259         SessionEvent::create_per_thread_pool (event_loop_name(), 128);
 260 }
 261
 262 int
 263 OSC::stop ()
 264 {
 265         /* stop main loop */
 266
 267         if (local_server) {
 268                 g_source_destroy (local_server);
 269                 g_source_unref (local_server);
 270                 local_server = 0;
 271         }
 272
 273         if (remote_server) {
 274                 g_source_destroy (remote_server);
 275                 g_source_unref (remote_server);
 276                 remote_server = 0;
 277         }
 278
 279         BaseUI::quit ();
 280
 281         if (_osc_server) {
 282                 lo_server_free (_osc_server);
 283                 _osc_server = 0;
 284         }
 285
 286         if (_osc_unix_server) {
 287                 lo_server_free (_osc_unix_server);
 288                 _osc_unix_server = 0;
 289         }
 290
 291         if (!_osc_unix_socket_path.empty()) {
 292                 ::g_unlink (_osc_unix_socket_path.c_str());
 293         }
 294
 295         if (!_osc_url_file.empty() ) {
 296                 ::g_unlink (_osc_url_file.c_str() );
 297         }
 298
 299         // Delete any active route observers
 300         for (RouteObservers::iterator x = route_observers.begin(); x != route_observers.end();) {
 301
 302                 OSCRouteObserver* rc;
 303
 304                 if ((rc = dynamic_cast<OSCRouteObserver*>(*x)) != 0) {
 305                         delete *x;
 306                         x = route_observers.erase (x);
 307                 } else {
 308                         ++x;
 309                 }
 310         }
 311
 312         return 0;
 313 }
 314
 315 void
 316 OSC::register_callbacks()
 317 {
 318         lo_server srvs[2];
 319         lo_server serv;
 320
 321         srvs[0] = _osc_server;
 322         srvs[1] = _osc_unix_server;
 323
 324         for (size_t i = 0; i < 2; ++i) {
 325
 326                 if (!srvs[i]) {
 327                         continue;
 328                 }
 329
 330                 serv = srvs[i];
 331
 332                 /* this is a special catchall handler */
 333
 334                 lo_server_add_method (serv, 0, 0, _catchall, this);
 335
 336 #define REGISTER_CALLBACK(serv,path,types, function) lo_server_add_method (serv, path, types, OSC::_ ## function, this)
 337
 338                 REGISTER_CALLBACK (serv, "/routes/list", "", routes_list);
 339                 REGISTER_CALLBACK (serv, "/ardour/add_marker", "", add_marker);
 340                 REGISTER_CALLBACK (serv, "/ardour/access_action", "s", access_action);
 341                 REGISTER_CALLBACK (serv, "/ardour/loop_toggle", "", loop_toggle);
 342                 REGISTER_CALLBACK (serv, "/ardour/loop_location", "ii", loop_location);
 343                 REGISTER_CALLBACK (serv, "/ardour/goto_start", "", goto_start);
 344                 REGISTER_CALLBACK (serv, "/ardour/goto_end", "", goto_end);
 345                 REGISTER_CALLBACK (serv, "/ardour/rewind", "", rewind);
 346                 REGISTER_CALLBACK (serv, "/ardour/ffwd", "", ffwd);
 347                 REGISTER_CALLBACK (serv, "/ardour/transport_stop", "", transport_stop);
 348                 REGISTER_CALLBACK (serv, "/ardour/transport_play", "", transport_play);
 349                 REGISTER_CALLBACK (serv, "/ardour/transport_frame", "", transport_frame);
 350                 REGISTER_CALLBACK (serv, "/ardour/transport_speed", "", transport_speed);
 351                 REGISTER_CALLBACK (serv, "/ardour/record_enabled", "", record_enabled);
 352                 REGISTER_CALLBACK (serv, "/ardour/set_transport_speed", "f", set_transport_speed);
 353                 REGISTER_CALLBACK (serv, "/ardour/locate", "ii", locate);
 354                 REGISTER_CALLBACK (serv, "/ardour/save_state", "", save_state);
 355                 REGISTER_CALLBACK (serv, "/ardour/prev_marker", "", prev_marker);
 356                 REGISTER_CALLBACK (serv, "/ardour/next_marker", "", next_marker);
 357                 REGISTER_CALLBACK (serv, "/ardour/undo", "", undo);
 358                 REGISTER_CALLBACK (serv, "/ardour/redo", "", redo);
 359                 REGISTER_CALLBACK (serv, "/ardour/toggle_punch_in", "", toggle_punch_in);
 360                 REGISTER_CALLBACK (serv, "/ardour/toggle_punch_out", "", toggle_punch_out);
 361                 REGISTER_CALLBACK (serv, "/ardour/rec_enable_toggle", "", rec_enable_toggle);
 362                 REGISTER_CALLBACK (serv, "/ardour/toggle_all_rec_enables", "", toggle_all_rec_enables);
 363
 364                 /*
 365                  * NOTE: these messages are provided for (arguably broken) apps
 366                  *   that MUST send float args ( TouchOSC and Lemur ).
 367                  * Normally these ardour transport messages don't require an argument,
 368                  * so we're providing redundant calls with vestigial "float" args.
 369                  *
 370                  * These controls are active on 1.0 only (to prevent duplicate action on
 371                  * press "/button 1", and release "/button 0")
 372                  * http://hexler.net/docs/touchosc-controls-reference
 373                  */
 374                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/loop_toggle", "f", loop_toggle);
 375                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/add_marker", "f", add_marker);
 376                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/goto_start", "f", goto_start);
 377                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/goto_end", "f", goto_end);
 378                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/rewind", "f", rewind);
 379                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/ffwd", "f", ffwd);
 380                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/transport_stop", "f", transport_stop);
 381                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/transport_play", "f", transport_play);
 382                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/save_state", "f", save_state);
 383                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/prev_marker", "f", prev_marker);
 384                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/next_marker", "f", next_marker);
 385                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/undo", "f", undo);
 386                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/redo", "f", redo);
 387                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/toggle_punch_in", "f", toggle_punch_in);
 388                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/toggle_punch_out", "f", toggle_punch_out);
 389                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/rec_enable_toggle", "f", rec_enable_toggle);
 390                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/toggle_all_rec_enables", "f", toggle_all_rec_enables);
 391
 392                 REGISTER_CALLBACK (serv, "/ardour/routes/mute", "ii", route_mute);
 393                 REGISTER_CALLBACK (serv, "/ardour/routes/solo", "ii", route_solo);
 394                 REGISTER_CALLBACK (serv, "/ardour/routes/recenable", "ii", route_recenable);
 395                 REGISTER_CALLBACK (serv, "/ardour/routes/gainabs", "if", route_set_gain_abs);
 396                 REGISTER_CALLBACK (serv, "/ardour/routes/gaindB", "if", route_set_gain_dB);
 397                 REGISTER_CALLBACK (serv, "/ardour/routes/trimabs", "if", route_set_trim_abs);
 398                 REGISTER_CALLBACK (serv, "/ardour/routes/trimdB", "if", route_set_trim_dB);
 399                 REGISTER_CALLBACK (serv, "/ardour/routes/pan_stereo_position", "if", route_set_pan_stereo_position);
 400                 REGISTER_CALLBACK (serv, "/ardour/routes/pan_stereo_width", "if", route_set_pan_stereo_width);
 401                 REGISTER_CALLBACK (serv, "/ardour/routes/plugin/parameter", "iiif", route_plugin_parameter);
 402                 REGISTER_CALLBACK (serv, "/ardour/routes/plugin/parameter/print", "iii", route_plugin_parameter_print);
 403                 REGISTER_CALLBACK (serv, "/ardour/routes/send/gainabs", "iif", route_set_send_gain_abs);
 404                 REGISTER_CALLBACK (serv, "/ardour/routes/send/gaindB", "iif", route_set_send_gain_dB);
 405
 406                 /* still not-really-standardized query interface */
 407                 //REGISTER_CALLBACK (serv, "/ardour/*/#current_value", "", current_value);
 408                 //REGISTER_CALLBACK (serv, "/ardour/set", "", set);
 409
 410                 // un/register_update args= s:ctrl s:returl s:retpath
 411                 //lo_server_add_method(serv, "/register_update", "sss", OSC::global_register_update_handler, this);
 412                 //lo_server_add_method(serv, "/unregister_update", "sss", OSC::global_unregister_update_handler, this);
 413                 //lo_server_add_method(serv, "/register_auto_update", "siss", OSC::global_register_auto_update_handler, this);
 414                 //lo_server_add_method(serv, "/unregister_auto_update", "sss", OSC::_global_unregister_auto_update_handler, this);
 415
 416         }
 417 }
 418
 419 bool
 420 OSC::osc_input_handler (IOCondition ioc, lo_server srv)
 421 {
 422         if (ioc & ~IO_IN) {
 423                 return false;
 424         }
 425
 426         if (ioc & IO_IN) {
 427                 lo_server_recv (srv);
 428         }
 429
 430         return true;
 431 }
 432
 433 std::string
 434 OSC::get_server_url()
 435 {
 436         string url;
 437         char * urlstr;
 438
 439         if (_osc_server) {
 440                 urlstr = lo_server_get_url (_osc_server);
 441                 url = urlstr;
 442                 free (urlstr);
 443         }
 444
 445         return url;
 446 }
 447
 448 std::string
 449 OSC::get_unix_server_url()
 450 {
 451         string url;
 452         char * urlstr;
 453
 454         if (_osc_unix_server) {
 455                 urlstr = lo_server_get_url (_osc_unix_server);
 456                 url = urlstr;
 457                 free (urlstr);
 458         }
 459
 460         return url;
 461 }
 462
 463 void
 464 OSC::listen_to_route (boost::shared_ptr<Route> route, lo_address addr)
 465 {
 466         /* avoid duplicate listens */
 467
 468         for (RouteObservers::iterator x = route_observers.begin(); x != route_observers.end(); ++x) {
 469
 470                 OSCRouteObserver* ro;
 471
 472                 if ((ro = dynamic_cast<OSCRouteObserver*>(*x)) != 0) {
 473
 474                         int res = strcmp(lo_address_get_hostname(ro->address()), lo_address_get_hostname(addr));
 475
 476                         if (ro->route() == route && res == 0) {
 477                                 return;
 478                         }
 479                 }
 480         }
 481
 482         OSCRouteObserver* o = new OSCRouteObserver (route, addr);
 483         route_observers.push_back (o);
 484
 485         route->DropReferences.connect (*this, MISSING_INVALIDATOR, boost::bind (&OSC::drop_route, this, boost::weak_ptr<Route> (route)), this);
 486 }
 487
 488 void
 489 OSC::drop_route (boost::weak_ptr<Route> wr)
 490 {
 491         boost::shared_ptr<Route> r = wr.lock ();
 492
 493         if (!r) {
 494                 return;
 495         }
 496
 497         for (RouteObservers::iterator x = route_observers.begin(); x != route_observers.end();) {
 498
 499                 OSCRouteObserver* rc;
 500
 501                 if ((rc = dynamic_cast<OSCRouteObserver*>(*x)) != 0) {
 502
 503                         if (rc->route() == r) {
 504                                 delete *x;
 505                                 x = route_observers.erase (x);
 506                         } else {
 507                                 ++x;
 508                         }
 509                 } else {
 510                         ++x;
 511                 }
 512         }
 513 }
 514
 515 void
 516 OSC::end_listen (boost::shared_ptr<Route> r, lo_address addr)
 517 {
 518         RouteObservers::iterator x;
 519
 520         // Remove the route observers
 521         for (x = route_observers.begin(); x != route_observers.end();) {
 522
 523                 OSCRouteObserver* ro;
 524
 525                 if ((ro = dynamic_cast<OSCRouteObserver*>(*x)) != 0) {
 526
 527                         int res = strcmp(lo_address_get_hostname(ro->address()), lo_address_get_hostname(addr));
 528
 529                         if (ro->route() == r && res == 0) {
 530                                 delete *x;
 531                                 x = route_observers.erase (x);
 532                         }
 533                         else {
 534                                 ++x;
 535                         }
 536                 }
 537                 else {
 538                         ++x;
 539                 }
 540         }
 541 }
 542
 543 void
 544 OSC::current_value_query (const char* path, size_t len, lo_arg **argv, int argc, lo_message msg)
 545 {
 546         char* subpath;
 547
 548         subpath = (char*) malloc (len-15+1);
 549         memcpy (subpath, path, len-15);
 550         subpath[len-15] = '\0';
 551
 552         send_current_value (subpath, argv, argc, msg);
 553
 554         free (subpath);
 555 }
 556
 557 void
 558 OSC::send_current_value (const char* path, lo_arg** argv, int argc, lo_message msg)
 559 {
 560         if (!session) {
 561                 return;
 562         }
 563
 564         lo_message reply = lo_message_new ();
 565         boost::shared_ptr<Route> r;
 566         int id;
 567
 568         lo_message_add_string (reply, path);
 569
 570         if (argc == 0) {
 571                 lo_message_add_string (reply, "bad syntax");
 572         } else {
 573                 id = argv[0]->i;
 574                 r = session->route_by_remote_id (id);
 575
 576                 if (!r) {
 577                         lo_message_add_string (reply, "not found");
 578                 } else {
 579
 580                         if (strcmp (path, "/routes/state") == 0) {
 581
 582                                 if (boost::dynamic_pointer_cast<AudioTrack>(r)) {
 583                                         lo_message_add_string (reply, "AT");
 584                                 } else if (boost::dynamic_pointer_cast<MidiTrack>(r)) {
 585                                         lo_message_add_string (reply, "MT");
 586                                 } else {
 587                                         lo_message_add_string (reply, "B");
 588                                 }
 589
 590                                 lo_message_add_string (reply, r->name().c_str());
 591                                 lo_message_add_int32 (reply, r->n_inputs().n_audio());
 592                                 lo_message_add_int32 (reply, r->n_outputs().n_audio());
 593                                 lo_message_add_int32 (reply, r->muted());
 594                                 lo_message_add_int32 (reply, r->soloed());
 595
 596                         } else if (strcmp (path, "/routes/mute") == 0) {
 597
 598                                 lo_message_add_int32 (reply, (float) r->muted());
 599
 600                         } else if (strcmp (path, "/routes/solo") == 0) {
 601
 602                                 lo_message_add_int32 (reply, r->soloed());
 603                         }
 604                 }
 605         }
 606
 607         lo_send_message (lo_message_get_source (msg), "#reply", reply);
 608         lo_message_free (reply);
 609 }
 610
 611 int
 612 OSC::_catchall (const char *path, const char *types, lo_arg **argv, int argc, void *data, void *user_data)
 613 {
 614         return ((OSC*)user_data)->catchall (path, types, argv, argc, data);
 615 }
 616
 617 int
 618 OSC::catchall (const char *path, const char* /*types*/, lo_arg **argv, int argc, lo_message msg)
 619 {
 620         size_t len;
 621         int ret = 1; /* unhandled */
 622
 623         //cerr << "Received a message, path = " << path << " types = \""
 624         //     << (types ? types : "NULL") << '"' << endl;
 625
 626         /* 15 for /#current_value plus 2 for /<path> */
 627
 628         len = strlen (path);
 629
 630         if (len >= 17 && !strcmp (&path[len-15], "/#current_value")) {
 631                 current_value_query (path, len, argv, argc, msg);
 632                 ret = 0;
 633
 634         } else if (strcmp (path, "/routes/listen") == 0) {
 635
 636                 cerr << "set up listener\n";
 637
 638                 lo_message reply = lo_message_new ();
 639
 640                 if (argc <= 0) {
 641                         lo_message_add_string (reply, "syntax error");
 642                 } else {
 643                         for (int n = 0; n < argc; ++n) {
 644
 645                                 boost::shared_ptr<Route> r = session->route_by_remote_id (argv[n]->i);
 646
 647                                 if (!r) {
 648                                         lo_message_add_string (reply, "not found");
 649                                         cerr << "no such route\n";
 650                                         break;
 651                                 } else {
 652                                         cerr << "add listener\n";
 653                                         listen_to_route (r, lo_message_get_source (msg));
 654                                         lo_message_add_int32 (reply, argv[n]->i);
 655                                 }
 656                         }
 657                 }
 658
 659                 lo_send_message (lo_message_get_source (msg), "#reply", reply);
 660                 lo_message_free (reply);
 661
 662                 ret = 0;
 663
 664         } else if (strcmp (path, "/routes/ignore") == 0) {
 665
 666                 for (int n = 0; n < argc; ++n) {
 667
 668                         boost::shared_ptr<Route> r = session->route_by_remote_id (argv[n]->i);
 669
 670                         if (r) {
 671                                 end_listen (r, lo_message_get_source (msg));
 672                         }
 673                 }
 674
 675                 ret = 0;
 676         }
 677
 678         return ret;
 679 }
 680
 681 void
 682 OSC::update_clock ()
 683 {
 684
 685 }
 686
 687 // "Application Hook" Handlers //
 688 void
 689 OSC::session_loaded (Session& s)
 690 {
 691         lo_address listener = lo_address_new (NULL, "7770");
 692         lo_send (listener, "/session/loaded", "ss", s.path().c_str(), s.name().c_str());
 693 }
 694
 695 void
 696 OSC::session_exported (std::string path, std::string name)
 697 {
 698         lo_address listener = lo_address_new (NULL, "7770");
 699         lo_send (listener, "/session/exported", "ss", path.c_str(), name.c_str());
 700 }
 701
 702 // end "Application Hook" Handlers //
 703
 704 /* path callbacks */
 705
 706 int
 707 OSC::current_value (const char */*path*/, const char */*types*/, lo_arg **/*argv*/, int /*argc*/, void */*data*/, void* /*user_data*/)
 708 {
 709 #if 0
 710         const char* returl;
 711
 712         if (argc < 3 || types == 0 || strlen (types) < 3 || types[0] != 's' || types[1] != 's' || types[2] != s) {
 713                 return 1;
 714         }
 715
 716         const char *returl = argv[1]->s;
 717         lo_address addr = find_or_cache_addr (returl);
 718
 719         const char *retpath = argv[2]->s;
 720
 721
 722         if (strcmp (argv[0]->s, "transport_frame") == 0) {
 723
 724                 if (session) {
 725                         lo_send (addr, retpath, "i", session->transport_frame());
 726                 }
 727
 728         } else if (strcmp (argv[0]->s, "transport_speed") == 0) {
 729
 730                 if (session) {
 731                         lo_send (addr, retpath, "i", session->transport_frame());
 732                 }
 733
 734         } else if (strcmp (argv[0]->s, "transport_locked") == 0) {
 735
 736                 if (session) {
 737                         lo_send (addr, retpath, "i", session->transport_frame());
 738                 }
 739
 740         } else if (strcmp (argv[0]->s, "punch_in") == 0) {
 741
 742                 if (session) {
 743                         lo_send (addr, retpath, "i", session->transport_frame());
 744                 }
 745
 746         } else if (strcmp (argv[0]->s, "punch_out") == 0) {
 747
 748                 if (session) {
 749                         lo_send (addr, retpath, "i", session->transport_frame());
 750                 }
 751
 752         } else if (strcmp (argv[0]->s, "rec_enable") == 0) {
 753
 754                 if (session) {
 755                         lo_send (addr, retpath, "i", session->transport_frame());
 756                 }
 757
 758         } else {
 759
 760                 /* error */
 761         }
 762 #endif
 763         return 0;
 764 }
 765
 766 void
 767 OSC::routes_list (lo_message msg)
 768 {
 769         if (!session) {
 770                 return;
 771         }
 772         for (int n = 0; n < (int) session->nroutes(); ++n) {
 773
 774                 boost::shared_ptr<Route> r = session->route_by_remote_id (n);
 775
 776                 if (r) {
 777
 778                         lo_message reply = lo_message_new ();
 779
 780                         if (boost::dynamic_pointer_cast<AudioTrack>(r)) {
 781                                 lo_message_add_string (reply, "AT");
 782                         } else if (boost::dynamic_pointer_cast<MidiTrack>(r)) {
 783                                 lo_message_add_string (reply, "MT");
 784                         } else {
 785                                 lo_message_add_string (reply, "B");
 786                         }
 787
 788                         lo_message_add_string (reply, r->name().c_str());
 789                         lo_message_add_int32 (reply, r->n_inputs().n_audio());
 790                         lo_message_add_int32 (reply, r->n_outputs().n_audio());
 791                         lo_message_add_int32 (reply, r->muted());
 792                         lo_message_add_int32 (reply, r->soloed());
 793                         lo_message_add_int32 (reply, r->remote_control_id());
 794
 795                         if (boost::dynamic_pointer_cast<AudioTrack>(r)
 796                                         || boost::dynamic_pointer_cast<MidiTrack>(r)) {
 797
 798                                 boost::shared_ptr<Track> t = boost::dynamic_pointer_cast<Track>(r);
 799                                 lo_message_add_int32 (reply, t->record_enabled());
 800                         }
 801
 802                         //Automatically listen to routes listed
 803                         listen_to_route(r, lo_message_get_source (msg));
 804
 805                         lo_send_message (lo_message_get_source (msg), "#reply", reply);
 806                         lo_message_free (reply);
 807                 }
 808         }
 809
 810         // Send end of listing message
 811         lo_message reply = lo_message_new ();
 812
 813         lo_message_add_string (reply, "end_route_list");
 814         lo_message_add_int64 (reply, session->frame_rate());
 815         lo_message_add_int64 (reply, session->current_end_frame());
 816
 817         lo_send_message (lo_message_get_source (msg), "#reply", reply);
 818
 819         lo_message_free (reply);
 820 }
 821
 822 void
 823 OSC::transport_frame (lo_message msg)
 824 {
 825         if (!session) {
 826                 return;
 827         }
 828         framepos_t pos = session->transport_frame ();
 829
 830         lo_message reply = lo_message_new ();
 831         lo_message_add_int64 (reply, pos);
 832
 833         lo_send_message (lo_message_get_source (msg), "/ardour/transport_frame", reply);
 834
 835         lo_message_free (reply);
 836 }
 837
 838 void
 839 OSC::transport_speed (lo_message msg)
 840 {
 841         if (!session) {
 842                 return;
 843         }
 844         double ts = session->transport_speed ();
 845
 846         lo_message reply = lo_message_new ();
 847         lo_message_add_double (reply, ts);
 848
 849         lo_send_message (lo_message_get_source (msg), "/ardour/transport_speed", reply);
 850
 851         lo_message_free (reply);
 852 }
 853
 854 void
 855 OSC::record_enabled (lo_message msg)
 856 {
 857         if (!session) {
 858                 return;
 859         }
 860         int re = (int)session->get_record_enabled ();
 861
 862         lo_message reply = lo_message_new ();
 863         lo_message_add_int32 (reply, re);
 864
 865         lo_send_message (lo_message_get_source (msg), "/ardour/record_enabled", reply);
 866
 867         lo_message_free (reply);
 868 }
 869
 870
 871 int
 872 OSC::route_mute (int rid, int yn)
 873 {
 874         if (!session) return -1;
 875
 876         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
 877
 878         if (r) {
 879                 r->set_mute (yn, this);
 880         }
 881
 882         return 0;
 883 }
 884
 885 int
 886 OSC::route_solo (int rid, int yn)
 887 {
 888         if (!session) return -1;
 889
 890         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
 891
 892         if (r) {
 893                 boost::shared_ptr<RouteList> rl (new RouteList);
 894                 rl->push_back (r);
 895                 session->set_solo (rl, yn);
 896         }
 897
 898         return 0;
 899 }
 900
 901 int
 902 OSC::route_recenable (int rid, int yn)
 903 {
 904         if (!session) return -1;
 905
 906         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
 907
 908         if (r) {
 909                 r->set_record_enabled (yn, this);
 910         }
 911
 912         return 0;
 913 }
 914
 915 int
 916 OSC::route_set_gain_abs (int rid, float level)
 917 {
 918         if (!session) return -1;
 919
 920         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
 921
 922         if (r) {
 923                 r->set_gain (level, this);
 924         }
 925
 926         return 0;
 927 }
 928
 929 int
 930 OSC::route_set_gain_dB (int rid, float dB)
 931 {
 932         return route_set_gain_abs (rid, dB_to_coefficient (dB));
 933 }
 934
 935
 936 int
 937 OSC::route_set_trim_abs (int rid, float level)
 938 {
 939         if (!session) return -1;
 940
 941         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
 942
 943         if (r) {
 944                 r->set_trim (level, this);
 945         }
 946
 947         return 0;
 948 }
 949
 950 int
 951 OSC::route_set_trim_dB (int rid, float dB)
 952 {
 953         return route_set_trim_abs(rid, dB_to_coefficient (dB));
 954 }
 955
 956
 957 int
 958 OSC::route_set_pan_stereo_position (int rid, float pos)
 959 {
 960         if (!session) return -1;
 961
 962         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
 963
 964         if (r) {
 965                 boost::shared_ptr<Panner> panner = r->panner();
 966                 if (panner) {
 967                         panner->set_position (pos);
 968                 }
 969         }
 970
 971         return 0;
 972
 973 }
 974
 975 int
 976 OSC::route_set_pan_stereo_width (int rid, float pos)
 977 {
 978         if (!session) return -1;
 979
 980         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
 981
 982         if (r) {
 983                 boost::shared_ptr<Panner> panner = r->panner();
 984                 if (panner) {
 985                         panner->set_width (pos);
 986                 }
 987         }
 988
 989         return 0;
 990
 991 }
 992
 993 int
 994 OSC::route_set_send_gain_abs (int rid, int sid, float val)
 995 {
 996         if (!session) {
 997                 return -1;
 998         }
 999
1000         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
1001
1002         if (!r) {
1003                 return -1;
1004         }
1005
1006         /* revert to zero-based counting */
1007
1008         if (sid > 0) {
1009                 --sid;
1010         }
1011
1012         boost::shared_ptr<Processor> p = r->nth_send (sid);
1013
1014         if (p) {
1015                 boost::shared_ptr<Send> s = boost::dynamic_pointer_cast<Send>(p);
1016                 boost::shared_ptr<Amp> a = s->amp();
1017
1018                 if (a) {
1019                         a->set_gain (val, this);
1020                 }
1021         }
1022         return 0;
1023 }
1024
1025 int
1026 OSC::route_set_send_gain_dB (int rid, int sid, float val)
1027 {
1028         if (!session) {
1029                 return -1;
1030         }
1031
1032         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
1033
1034         if (!r) {
1035                 return -1;
1036         }
1037
1038         /* revert to zero-based counting */
1039
1040         if (sid > 0) {
1041                 --sid;
1042         }
1043
1044         boost::shared_ptr<Processor> p = r->nth_send (sid);
1045
1046         if (p) {
1047                 boost::shared_ptr<Send> s = boost::dynamic_pointer_cast<Send>(p);
1048                 boost::shared_ptr<Amp> a = s->amp();
1049
1050                 if (a) {
1051                         a->set_gain (dB_to_coefficient (val), this);
1052                 }
1053         }
1054         return 0;
1055 }
1056
1057 int
1058 OSC::route_plugin_parameter (int rid, int piid, int par, float val)
1059 {
1060         if (!session)
1061                 return -1;
1062
1063         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
1064
1065         if (!r) {
1066                 PBD::error << "OSC: Invalid Remote Control ID '" << rid << "'" << endmsg;
1067                 return -1;
1068         }
1069
1070         boost::shared_ptr<Processor> redi=r->nth_plugin (piid);
1071
1072         if (!redi) {
1073                 PBD::error << "OSC: cannot find plugin # " << piid << " for RID '" << rid << "'" << endmsg;
1074                 return -1;
1075         }
1076
1077         boost::shared_ptr<PluginInsert> pi;
1078
1079         if (!(pi = boost::dynamic_pointer_cast<PluginInsert>(redi))) {
1080                 PBD::error << "OSC: given processor # " << piid << " on RID '" << rid << "' is not a Plugin." << endmsg;
1081                 return -1;
1082         }
1083
1084         boost::shared_ptr<ARDOUR::Plugin> pip = pi->plugin();
1085         bool ok=false;
1086
1087         uint32_t controlid = pip->nth_parameter (par,ok);
1088
1089         if (!ok) {
1090                 PBD::error << "OSC: Cannot find parameter # " << par <<  " for plugin # " << piid << " on RID '" << rid << "'" << endmsg;
1091                 return -1;
1092         }
1093
1094         if (!pip->parameter_is_input(controlid)) {
1095                 PBD::error << "OSC: Parameter # " << par <<  " for plugin # " << piid << " on RID '" << rid << "' is not a control input" << endmsg;
1096                 return -1;
1097         }
1098
1099         ParameterDescriptor pd;
1100         pi->plugin()->get_parameter_descriptor (controlid,pd);
1101
1102         if (val >= pd.lower && val < pd.upper) {
1103
1104                 boost::shared_ptr<AutomationControl> c = pi->automation_control (Evoral::Parameter(PluginAutomation, 0, controlid));
1105                 // cerr << "parameter:" << redi->describe_parameter(controlid) << " val:" << val << "\n";
1106                 c->set_value (val, PBD::Controllable::NoGroup);
1107         } else {
1108                 PBD::warning << "OSC: Parameter # " << par <<  " for plugin # " << piid << " on RID '" << rid << "' is out of range" << endmsg;
1109                 PBD::info << "OSC: Valid range min=" << pd.lower << " max=" << pd.upper << endmsg;
1110         }
1111
1112         return 0;
1113 }
1114
1115 int
1116 OSC::route_plugin_parameter_print (int rid, int piid, int par)
1117 {
1118         if (!session) {
1119                 return -1;
1120         }
1121
1122         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
1123
1124         if (!r) {
1125                 return -1;
1126         }
1127
1128         boost::shared_ptr<Processor> redi=r->nth_processor (piid);
1129
1130         if (!redi) {
1131                 return -1;
1132         }
1133
1134         boost::shared_ptr<PluginInsert> pi;
1135
1136         if (!(pi = boost::dynamic_pointer_cast<PluginInsert>(redi))) {
1137                 return -1;
1138         }
1139
1140         boost::shared_ptr<ARDOUR::Plugin> pip = pi->plugin();
1141         bool ok=false;
1142
1143         uint32_t controlid = pip->nth_parameter (par,ok);
1144
1145         if (!ok) {
1146                 return -1;
1147         }
1148
1149         ParameterDescriptor pd;
1150
1151         if (pi->plugin()->get_parameter_descriptor (controlid, pd) == 0) {
1152                 boost::shared_ptr<AutomationControl> c = pi->automation_control (Evoral::Parameter(PluginAutomation, 0, controlid));
1153
1154                 cerr << "parameter:     " << redi->describe_parameter(controlid)  << "\n";
1155                 cerr << "current value: " << c->get_value ();
1156                 cerr << "lower value:   " << pd.lower << "\n";
1157                 cerr << "upper value:   " << pd.upper << "\n";
1158         }
1159
1160         return 0;
1161 }
1162
1163 XMLNode&
1164 OSC::get_state ()
1165 {
1166         return ControlProtocol::get_state();
1167 }
1168
1169 int
1170 OSC::set_state (const XMLNode& node, int version)
1171 {
1172         if (ControlProtocol::set_state (node, version)) {
1173                 return -1;
1174         }
1175
1176         return 0;
1177 }