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         , _send_route_changes (true)
  85         , _debugmode (Off)
  86         , gui (0)
  87 {
  88         _instance = this;
  89
  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         session_loaded (*session);
 229
 230         // lo_server_thread_add_method(_sthread, NULL, NULL, OSC::_dummy_handler, this);
 231
 232         /* startup the event loop thread */
 233
 234         BaseUI::run ();
 235
 236         return 0;
 237 }
 238
 239 void
 240 OSC::thread_init ()
 241 {
 242         pthread_set_name (event_loop_name().c_str());
 243
 244         if (_osc_unix_server) {
 245                 Glib::RefPtr<IOSource> src = IOSource::create (lo_server_get_socket_fd (_osc_unix_server), IO_IN|IO_HUP|IO_ERR);
 246                 src->connect (sigc::bind (sigc::mem_fun (*this, &OSC::osc_input_handler), _osc_unix_server));
 247                 src->attach (_main_loop->get_context());
 248                 local_server = src->gobj();
 249                 g_source_ref (local_server);
 250         }
 251
 252         if (_osc_server) {
 253 #ifdef PLATFORM_WINDOWS
 254                 Glib::RefPtr<IOChannel> chan = Glib::IOChannel::create_from_win32_socket (lo_server_get_socket_fd (_osc_server));
 255                 Glib::RefPtr<IOSource> src  = IOSource::create (chan, IO_IN|IO_HUP|IO_ERR);
 256 #else
 257                 Glib::RefPtr<IOSource> src  = IOSource::create (lo_server_get_socket_fd (_osc_server), IO_IN|IO_HUP|IO_ERR);
 258 #endif
 259                 src->connect (sigc::bind (sigc::mem_fun (*this, &OSC::osc_input_handler), _osc_server));
 260                 src->attach (_main_loop->get_context());
 261                 remote_server = src->gobj();
 262                 g_source_ref (remote_server);
 263         }
 264
 265         PBD::notify_event_loops_about_thread_creation (pthread_self(), event_loop_name(), 2048);
 266         SessionEvent::create_per_thread_pool (event_loop_name(), 128);
 267 }
 268
 269 int
 270 OSC::stop ()
 271 {
 272         /* stop main loop */
 273
 274         if (local_server) {
 275                 g_source_destroy (local_server);
 276                 g_source_unref (local_server);
 277                 local_server = 0;
 278         }
 279
 280         if (remote_server) {
 281                 g_source_destroy (remote_server);
 282                 g_source_unref (remote_server);
 283                 remote_server = 0;
 284         }
 285
 286         BaseUI::quit ();
 287
 288         if (_osc_server) {
 289                 lo_server_free (_osc_server);
 290                 _osc_server = 0;
 291         }
 292
 293         if (_osc_unix_server) {
 294                 lo_server_free (_osc_unix_server);
 295                 _osc_unix_server = 0;
 296         }
 297
 298         if (!_osc_unix_socket_path.empty()) {
 299                 ::g_unlink (_osc_unix_socket_path.c_str());
 300         }
 301
 302         if (!_osc_url_file.empty() ) {
 303                 ::g_unlink (_osc_url_file.c_str() );
 304         }
 305
 306         // Delete any active route observers
 307         for (RouteObservers::iterator x = route_observers.begin(); x != route_observers.end();) {
 308
 309                 OSCRouteObserver* rc;
 310
 311                 if ((rc = dynamic_cast<OSCRouteObserver*>(*x)) != 0) {
 312                         delete *x;
 313                         x = route_observers.erase (x);
 314                 } else {
 315                         ++x;
 316                 }
 317         }
 318
 319         return 0;
 320 }
 321
 322 void
 323 OSC::register_callbacks()
 324 {
 325         lo_server srvs[2];
 326         lo_server serv;
 327
 328         srvs[0] = _osc_server;
 329         srvs[1] = _osc_unix_server;
 330
 331         for (size_t i = 0; i < 2; ++i) {
 332
 333                 if (!srvs[i]) {
 334                         continue;
 335                 }
 336
 337                 serv = srvs[i];
 338
 339
 340 #define REGISTER_CALLBACK(serv,path,types, function) lo_server_add_method (serv, path, types, OSC::_ ## function, this)
 341
 342                 REGISTER_CALLBACK (serv, "/routes/list", "", routes_list);
 343                 REGISTER_CALLBACK (serv, "/ardour/add_marker", "", add_marker);
 344                 REGISTER_CALLBACK (serv, "/ardour/access_action", "s", access_action);
 345                 REGISTER_CALLBACK (serv, "/ardour/loop_toggle", "", loop_toggle);
 346                 REGISTER_CALLBACK (serv, "/ardour/loop_location", "ii", loop_location);
 347                 REGISTER_CALLBACK (serv, "/ardour/goto_start", "", goto_start);
 348                 REGISTER_CALLBACK (serv, "/ardour/goto_end", "", goto_end);
 349                 REGISTER_CALLBACK (serv, "/ardour/rewind", "", rewind);
 350                 REGISTER_CALLBACK (serv, "/ardour/ffwd", "", ffwd);
 351                 REGISTER_CALLBACK (serv, "/ardour/transport_stop", "", transport_stop);
 352                 REGISTER_CALLBACK (serv, "/ardour/transport_play", "", transport_play);
 353                 REGISTER_CALLBACK (serv, "/ardour/transport_frame", "", transport_frame);
 354                 REGISTER_CALLBACK (serv, "/ardour/transport_speed", "", transport_speed);
 355                 REGISTER_CALLBACK (serv, "/ardour/record_enabled", "", record_enabled);
 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                 REGISTER_CALLBACK (serv, "/ardour/all_tracks_rec_in", "f", all_tracks_rec_in);
 368                 REGISTER_CALLBACK (serv, "/ardour/all_tracks_rec_out", "f", all_tracks_rec_out);
 369                 REGISTER_CALLBACK (serv, "/ardour/remove_marker", "", remove_marker_at_playhead);
 370                 REGISTER_CALLBACK (serv, "/ardour/jump_bars", "f", jump_by_bars);
 371                 REGISTER_CALLBACK (serv, "/ardour/jump_seconds", "f", jump_by_seconds);
 372                 REGISTER_CALLBACK (serv, "/ardour/mark_in", "", mark_in);
 373                 REGISTER_CALLBACK (serv, "/ardour/mark_out", "", mark_out);
 374                 REGISTER_CALLBACK (serv, "/ardour/toggle_click", "", toggle_click);
 375                 REGISTER_CALLBACK (serv, "/ardour/midi_panic", "", midi_panic);
 376                 REGISTER_CALLBACK (serv, "/ardour/toggle_roll", "", toggle_roll);
 377                 REGISTER_CALLBACK (serv, "/ardour/stop_forget", "", stop_forget);
 378                 REGISTER_CALLBACK (serv, "/ardour/set_punch_range", "", set_punch_range);
 379                 REGISTER_CALLBACK (serv, "/ardour/set_loop_range", "", set_loop_range);
 380                 REGISTER_CALLBACK (serv, "/ardour/set_session_range", "", set_session_range);
 381                 REGISTER_CALLBACK (serv, "/ardour/toggle_monitor_mute", "", toggle_monitor_mute);
 382                 REGISTER_CALLBACK (serv, "/ardour/toggle_monitor_dim", "", toggle_monitor_dim);
 383                 REGISTER_CALLBACK (serv, "/ardour/toggle_monitor_mono", "", toggle_monitor_mono);
 384                 REGISTER_CALLBACK (serv, "/ardour/quick_snapshot_switch", "", quick_snapshot_switch);
 385                 REGISTER_CALLBACK (serv, "/ardour/quick_snapshot_stay", "", quick_snapshot_stay);
 386                 REGISTER_CALLBACK (serv, "/ardour/fit_1_track", "", fit_1_track);
 387                 REGISTER_CALLBACK (serv, "/ardour/fit_2_tracks", "", fit_2_tracks);
 388                 REGISTER_CALLBACK (serv, "/ardour/fit_4_tracks", "", fit_4_tracks);
 389                 REGISTER_CALLBACK (serv, "/ardour/fit_8_tracks", "", fit_8_tracks);
 390                 REGISTER_CALLBACK (serv, "/ardour/fit_16_tracks", "", fit_16_tracks);
 391                 REGISTER_CALLBACK (serv, "/ardour/fit_32_tracks", "", fit_32_tracks);
 392                 REGISTER_CALLBACK (serv, "/ardour/fit_all_tracks", "", fit_all_tracks);
 393                 REGISTER_CALLBACK (serv, "/ardour/zoom_100_ms", "", zoom_100_ms);
 394                 REGISTER_CALLBACK (serv, "/ardour/zoom_1_sec", "", zoom_1_sec);
 395                 REGISTER_CALLBACK (serv, "/ardour/zoom_10_sec", "", zoom_10_sec);
 396                 REGISTER_CALLBACK (serv, "/ardour/zoom_1_min", "", zoom_1_min);
 397                 REGISTER_CALLBACK (serv, "/ardour/zoom_5_min", "", zoom_5_min);
 398                 REGISTER_CALLBACK (serv, "/ardour/zoom_10_min", "", zoom_10_min);
 399                 REGISTER_CALLBACK (serv, "/ardour/zoom_to_session", "", zoom_to_session);
 400                 REGISTER_CALLBACK (serv, "/ardour/temporal_zoom_in", "f", temporal_zoom_in);
 401                 REGISTER_CALLBACK (serv, "/ardour/temporal_zoom_out", "f", temporal_zoom_out);
 402                 REGISTER_CALLBACK (serv, "/ardour/scroll_up_1_track", "f", scroll_up_1_track);
 403                 REGISTER_CALLBACK (serv, "/ardour/scroll_dn_1_track", "f", scroll_dn_1_track);
 404                 REGISTER_CALLBACK (serv, "/ardour/scroll_up_1_page", "f", scroll_up_1_page);
 405                 REGISTER_CALLBACK (serv, "/ardour/scroll_dn_1_page", "f", scroll_dn_1_page);
 406
 407
 408                 /*
 409                  * NOTE: these messages are provided for (arguably broken) apps
 410                  *   that MUST send float args ( TouchOSC and Lemur ).
 411                  * Normally these ardour transport messages don't require an argument,
 412                  * so we're providing redundant calls with vestigial "float" args.
 413                  *
 414                  * These controls are active on 1.0 only (to prevent duplicate action on
 415                  * press "/button 1", and release "/button 0")
 416                  * http://hexler.net/docs/touchosc-controls-reference
 417                  */
 418                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/loop_toggle", "f", loop_toggle);
 419                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/add_marker", "f", add_marker);
 420                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/goto_start", "f", goto_start);
 421                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/goto_end", "f", goto_end);
 422                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/rewind", "f", rewind);
 423                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/ffwd", "f", ffwd);
 424                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/transport_stop", "f", transport_stop);
 425                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/transport_play", "f", transport_play);
 426                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/save_state", "f", save_state);
 427                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/prev_marker", "f", prev_marker);
 428                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/next_marker", "f", next_marker);
 429                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/undo", "f", undo);
 430                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/redo", "f", redo);
 431                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/toggle_punch_in", "f", toggle_punch_in);
 432                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/toggle_punch_out", "f", toggle_punch_out);
 433                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/rec_enable_toggle", "f", rec_enable_toggle);
 434                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/toggle_all_rec_enables", "f", toggle_all_rec_enables);
 435                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/all_tracks_rec_in", "f", all_tracks_rec_in);
 436                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/all_tracks_rec_out", "f", all_tracks_rec_out);
 437                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/remove_marker", "f", remove_marker_at_playhead);
 438                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/mark_in", "f", mark_in);
 439                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/mark_out", "f", mark_out);
 440                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/toggle_click", "f", toggle_click);
 441                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/midi_panic", "f", midi_panic);
 442                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/toggle_roll", "f", toggle_roll);
 443                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/stop_forget", "f", stop_forget);
 444                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/set_punch_range", "f", set_punch_range);
 445                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/set_loop_range", "f", set_loop_range);
 446                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/set_session_range", "f", set_session_range);
 447                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/toggle_monitor_mute", "f", toggle_monitor_mute);
 448                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/toggle_monitor_dim", "f", toggle_monitor_dim);
 449                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/toggle_monitor_mono", "f", toggle_monitor_mono);
 450                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/quick_snapshot_switch", "f", quick_snapshot_switch);
 451                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/quick_snapshot_stay", "f", quick_snapshot_stay);
 452                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/fit_1_track", "f", fit_1_track);
 453                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/fit_2_tracks", "f", fit_2_tracks);
 454                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/fit_4_tracks", "f", fit_4_tracks);
 455                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/fit_8_tracks", "f", fit_8_tracks);
 456                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/fit_16_tracks", "f", fit_16_tracks);
 457                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/fit_32_tracks", "f", fit_32_tracks);
 458                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/fit_all_tracks", "f", fit_all_tracks);
 459                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/zoom_100_ms", "f", zoom_100_ms);
 460                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/zoom_1_sec", "f", zoom_1_sec);
 461                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/zoom_10_sec", "f", zoom_10_sec);
 462                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/zoom_1_min", "f", zoom_1_min);
 463                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/zoom_5_min", "f", zoom_5_min);
 464                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/zoom_10_min", "f", zoom_10_min);
 465                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/zoom_to_session", "f", zoom_to_session);
 466                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/temporal_zoom_in", "f", temporal_zoom_in);
 467                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/temporal_zoom_out", "f", temporal_zoom_out);
 468                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/scroll_up_1_track", "f", scroll_up_1_track);
 469                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/scroll_dn_1_track", "f", scroll_dn_1_track);
 470                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/scroll_up_1_page", "f", scroll_up_1_page);
 471                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/scroll_dn_1_page", "f", scroll_dn_1_page);
 472
 473                 /* These commands require the route index in addition to the arg; TouchOSC (et al) can't use these  */
 474                 REGISTER_CALLBACK (serv, "/ardour/routes/mute", "ii", route_mute);
 475                 REGISTER_CALLBACK (serv, "/ardour/routes/solo", "ii", route_solo);
 476                 REGISTER_CALLBACK (serv, "/ardour/routes/recenable", "ii", route_recenable);
 477                 REGISTER_CALLBACK (serv, "/ardour/routes/gainabs", "if", route_set_gain_abs);
 478                 REGISTER_CALLBACK (serv, "/ardour/routes/gaindB", "if", route_set_gain_dB);
 479                 REGISTER_CALLBACK (serv, "/ardour/routes/gainfader", "if", route_set_gain_fader);
 480                 REGISTER_CALLBACK (serv, "/ardour/routes/trimabs", "if", route_set_trim_abs);
 481                 REGISTER_CALLBACK (serv, "/ardour/routes/trimdB", "if", route_set_trim_dB);
 482                 REGISTER_CALLBACK (serv, "/ardour/routes/pan_stereo_position", "if", route_set_pan_stereo_position);
 483                 REGISTER_CALLBACK (serv, "/ardour/routes/pan_stereo_width", "if", route_set_pan_stereo_width);
 484                 REGISTER_CALLBACK (serv, "/ardour/routes/plugin/parameter", "iiif", route_plugin_parameter);
 485                 REGISTER_CALLBACK (serv, "/ardour/routes/plugin/parameter/print", "iii", route_plugin_parameter_print);
 486                 REGISTER_CALLBACK (serv, "/ardour/routes/send/gainabs", "iif", route_set_send_gain_abs);
 487                 REGISTER_CALLBACK (serv, "/ardour/routes/send/gaindB", "iif", route_set_send_gain_dB);
 488
 489                 /* still not-really-standardized query interface */
 490                 //REGISTER_CALLBACK (serv, "/ardour/*/#current_value", "", current_value);
 491                 //REGISTER_CALLBACK (serv, "/ardour/set", "", set);
 492
 493                 // un/register_update args= s:ctrl s:returl s:retpath
 494                 //lo_server_add_method(serv, "/register_update", "sss", OSC::global_register_update_handler, this);
 495                 //lo_server_add_method(serv, "/unregister_update", "sss", OSC::global_unregister_update_handler, this);
 496                 //lo_server_add_method(serv, "/register_auto_update", "siss", OSC::global_register_auto_update_handler, this);
 497                 //lo_server_add_method(serv, "/unregister_auto_update", "sss", OSC::_global_unregister_auto_update_handler, this);
 498
 499                 /* this is a special catchall handler,
 500                  * register at the end so this is only called if no
 501                  * other handler matches (used for debug) */
 502                 lo_server_add_method (serv, 0, 0, _catchall, this);
 503         }
 504 }
 505
 506 bool
 507 OSC::osc_input_handler (IOCondition ioc, lo_server srv)
 508 {
 509         if (ioc & ~IO_IN) {
 510                 return false;
 511         }
 512
 513         if (ioc & IO_IN) {
 514                 lo_server_recv (srv);
 515         }
 516
 517         return true;
 518 }
 519
 520 std::string
 521 OSC::get_server_url()
 522 {
 523         string url;
 524         char * urlstr;
 525
 526         if (_osc_server) {
 527                 urlstr = lo_server_get_url (_osc_server);
 528                 url = urlstr;
 529                 free (urlstr);
 530         }
 531
 532         return url;
 533 }
 534
 535 std::string
 536 OSC::get_unix_server_url()
 537 {
 538         string url;
 539         char * urlstr;
 540
 541         if (_osc_unix_server) {
 542                 urlstr = lo_server_get_url (_osc_unix_server);
 543                 url = urlstr;
 544                 free (urlstr);
 545         }
 546
 547         return url;
 548 }
 549
 550 void
 551 OSC::listen_to_route (boost::shared_ptr<Route> route, lo_address addr)
 552 {
 553         /* avoid duplicate listens */
 554
 555         for (RouteObservers::iterator x = route_observers.begin(); x != route_observers.end(); ++x) {
 556
 557                 OSCRouteObserver* ro;
 558
 559                 if ((ro = dynamic_cast<OSCRouteObserver*>(*x)) != 0) {
 560
 561                         int res = strcmp(lo_address_get_hostname(ro->address()), lo_address_get_hostname(addr));
 562
 563                         if (ro->route() == route && res == 0) {
 564                                 return;
 565                         }
 566                 }
 567         }
 568
 569         OSCRouteObserver* o = new OSCRouteObserver (route, addr);
 570         route_observers.push_back (o);
 571
 572         route->DropReferences.connect (*this, MISSING_INVALIDATOR, boost::bind (&OSC::drop_route, this, boost::weak_ptr<Route> (route)), this);
 573 }
 574
 575 void
 576 OSC::drop_route (boost::weak_ptr<Route> wr)
 577 {
 578         boost::shared_ptr<Route> r = wr.lock ();
 579
 580         if (!r) {
 581                 return;
 582         }
 583
 584         for (RouteObservers::iterator x = route_observers.begin(); x != route_observers.end();) {
 585
 586                 OSCRouteObserver* rc;
 587
 588                 if ((rc = dynamic_cast<OSCRouteObserver*>(*x)) != 0) {
 589
 590                         if (rc->route() == r) {
 591                                 delete *x;
 592                                 x = route_observers.erase (x);
 593                         } else {
 594                                 ++x;
 595                         }
 596                 } else {
 597                         ++x;
 598                 }
 599         }
 600 }
 601
 602 void
 603 OSC::end_listen (boost::shared_ptr<Route> r, lo_address addr)
 604 {
 605         RouteObservers::iterator x;
 606
 607         // Remove the route observers
 608         for (x = route_observers.begin(); x != route_observers.end();) {
 609
 610                 OSCRouteObserver* ro;
 611
 612                 if ((ro = dynamic_cast<OSCRouteObserver*>(*x)) != 0) {
 613
 614                         int res = strcmp(lo_address_get_hostname(ro->address()), lo_address_get_hostname(addr));
 615
 616                         if (ro->route() == r && res == 0) {
 617                                 delete *x;
 618                                 x = route_observers.erase (x);
 619                         }
 620                         else {
 621                                 ++x;
 622                         }
 623                 }
 624                 else {
 625                         ++x;
 626                 }
 627         }
 628 }
 629
 630 void
 631 OSC::current_value_query (const char* path, size_t len, lo_arg **argv, int argc, lo_message msg)
 632 {
 633         char* subpath;
 634
 635         subpath = (char*) malloc (len-15+1);
 636         memcpy (subpath, path, len-15);
 637         subpath[len-15] = '\0';
 638
 639         send_current_value (subpath, argv, argc, msg);
 640
 641         free (subpath);
 642 }
 643
 644 void
 645 OSC::send_current_value (const char* path, lo_arg** argv, int argc, lo_message msg)
 646 {
 647         if (!session) {
 648                 return;
 649         }
 650
 651         lo_message reply = lo_message_new ();
 652         boost::shared_ptr<Route> r;
 653         int id;
 654
 655         lo_message_add_string (reply, path);
 656
 657         if (argc == 0) {
 658                 lo_message_add_string (reply, "bad syntax");
 659         } else {
 660                 id = argv[0]->i;
 661                 r = session->route_by_remote_id (id);
 662
 663                 if (!r) {
 664                         lo_message_add_string (reply, "not found");
 665                 } else {
 666
 667                         if (strcmp (path, "/routes/state") == 0) {
 668
 669                                 if (boost::dynamic_pointer_cast<AudioTrack>(r)) {
 670                                         lo_message_add_string (reply, "AT");
 671                                 } else if (boost::dynamic_pointer_cast<MidiTrack>(r)) {
 672                                         lo_message_add_string (reply, "MT");
 673                                 } else {
 674                                         lo_message_add_string (reply, "B");
 675                                 }
 676
 677                                 lo_message_add_string (reply, r->name().c_str());
 678                                 lo_message_add_int32 (reply, r->n_inputs().n_audio());
 679                                 lo_message_add_int32 (reply, r->n_outputs().n_audio());
 680                                 lo_message_add_int32 (reply, r->muted());
 681                                 lo_message_add_int32 (reply, r->soloed());
 682
 683                         } else if (strcmp (path, "/routes/mute") == 0) {
 684
 685                                 lo_message_add_int32 (reply, (float) r->muted());
 686
 687                         } else if (strcmp (path, "/routes/solo") == 0) {
 688
 689                                 lo_message_add_int32 (reply, r->soloed());
 690                         }
 691                 }
 692         }
 693
 694         lo_send_message (lo_message_get_source (msg), "#reply", reply);
 695         lo_message_free (reply);
 696 }
 697
 698 int
 699 OSC::_catchall (const char *path, const char *types, lo_arg **argv, int argc, void *data, void *user_data)
 700 {
 701         return ((OSC*)user_data)->catchall (path, types, argv, argc, data);
 702 }
 703
 704 int
 705 OSC::catchall (const char *path, const char* types, lo_arg **argv, int argc, lo_message msg)
 706 {
 707         size_t len;
 708         int ret = 1; /* unhandled */
 709
 710         //cerr << "Received a message, path = " << path << " types = \""
 711         //     << (types ? types : "NULL") << '"' << endl;
 712
 713         /* 15 for /#current_value plus 2 for /<path> */
 714
 715         len = strlen (path);
 716
 717         if (len >= 17 && !strcmp (&path[len-15], "/#current_value")) {
 718                 current_value_query (path, len, argv, argc, msg);
 719                 ret = 0;
 720
 721         } else if (strcmp (path, "/routes/listen") == 0) {
 722
 723                 cerr << "set up listener\n";
 724
 725                 lo_message reply = lo_message_new ();
 726
 727                 if (argc <= 0) {
 728                         lo_message_add_string (reply, "syntax error");
 729                 } else {
 730                         for (int n = 0; n < argc; ++n) {
 731
 732                                 boost::shared_ptr<Route> r = session->route_by_remote_id (argv[n]->i);
 733
 734                                 if (!r) {
 735                                         lo_message_add_string (reply, "not found");
 736                                         cerr << "no such route\n";
 737                                         break;
 738                                 } else {
 739                                         cerr << "add listener\n";
 740                                         listen_to_route (r, lo_message_get_source (msg));
 741                                         lo_message_add_int32 (reply, argv[n]->i);
 742                                 }
 743                         }
 744                 }
 745
 746                 lo_send_message (lo_message_get_source (msg), "#reply", reply);
 747                 lo_message_free (reply);
 748
 749                 ret = 0;
 750
 751         } else if (strcmp (path, "/routes/ignore") == 0) {
 752
 753                 for (int n = 0; n < argc; ++n) {
 754
 755                         boost::shared_ptr<Route> r = session->route_by_remote_id (argv[n]->i);
 756
 757                         if (r) {
 758                                 end_listen (r, lo_message_get_source (msg));
 759                         }
 760                 }
 761
 762                 ret = 0;
 763         } else if (argc == 1 && types[0] == 'f') { // single float -- probably TouchOSC
 764                 if (!strncmp (path, "/ardour/routes/gainabs/", 23) && strlen (path) > 23) {
 765                         int rid = atoi (&path[23]);
 766                         // use some power-scale mapping??
 767                         route_set_gain_abs (rid, argv[0]->f);
 768                         ret = 0;
 769                 }
 770                 else if (!strncmp (path, "/ardour/routes/trimabs/", 23) && strlen (path) > 23) {
 771                         int rid = atoi (&path[23]);
 772                         // normalize 0..1 ?
 773                         route_set_trim_abs (rid, argv[0]->f);
 774                         ret = 0;
 775                 }
 776                 else if (!strncmp (path, "/ardour/routes/mute/", 20) && strlen (path) > 20) {
 777                         int rid = atoi (&path[20]);
 778                         route_mute (rid, argv[0]->f == 1.0);
 779                         ret = 0;
 780                 }
 781                 else if (!strncmp (path, "/ardour/routes/solo/", 20) && strlen (path) > 20) {
 782                         int rid = atoi (&path[20]);
 783                         route_solo (rid, argv[0]->f == 1.0);
 784                         ret = 0;
 785                 }
 786                 else if (!strncmp (path, "/ardour/routes/recenable/", 25) && strlen (path) > 25) {
 787                         int rid = atoi (&path[25]);
 788                         route_recenable (rid, argv[0]->f == 1.0);
 789                         ret = 0;
 790                 }
 791         }
 792
 793         if ((ret && _debugmode == Unhandled)) {
 794                 debugmsg (_("Unhandled OSC message"), path, types, argv, argc);
 795         }
 796
 797         return ret;
 798 }
 799
 800 void
 801 OSC::debugmsg (const char *prefix, const char *path, const char* types, lo_arg **argv, int argc)
 802 {
 803         std::stringstream ss;
 804         for (int i = 0; i < argc; ++i) {
 805                 lo_type type = (lo_type)types[i];
 806                         ss << " ";
 807                 switch (type) {
 808                         case LO_INT32:
 809                                 ss << "i:" << argv[i]->i;
 810                                 break;
 811                         case LO_FLOAT:
 812                                 ss << "f:" << argv[i]->f;
 813                                 break;
 814                         case LO_DOUBLE:
 815                                 ss << "d:" << argv[i]->d;
 816                                 break;
 817                         case LO_STRING:
 818                                 ss << "s:" << &argv[i]->s;
 819                                 break;
 820                         case LO_INT64:
 821                                 ss << "h:" << argv[i]->h;
 822                                 break;
 823                         case LO_CHAR:
 824                                 ss << "c:" << argv[i]->s;
 825                                 break;
 826                         case LO_TIMETAG:
 827                                 ss << "<Timetag>";
 828                                 break;
 829                         case LO_BLOB:
 830                                 ss << "<BLOB>";
 831                                 break;
 832                         case LO_TRUE:
 833                                 ss << "#T";
 834                                 break;
 835                         case LO_FALSE:
 836                                 ss << "#F";
 837                                 break;
 838                         case LO_NIL:
 839                                 ss << "NIL";
 840                                 break;
 841                         case LO_INFINITUM:
 842                                 ss << "#inf";
 843                                 break;
 844                         case LO_MIDI:
 845                                 ss << "<MIDI>";
 846                                 break;
 847                         case LO_SYMBOL:
 848                                 ss << "<SYMBOL>";
 849                                 break;
 850                         default:
 851                                 ss << "< ?? >";
 852                                 break;
 853                 }
 854         }
 855         PBD::info << prefix << ": " << path << ss.str() << endmsg;
 856 }
 857
 858 void
 859 OSC::update_clock ()
 860 {
 861
 862 }
 863
 864 // "Application Hook" Handlers //
 865 void
 866 OSC::session_loaded (Session& s)
 867 {
 868 //      lo_address listener = lo_address_new (NULL, "7770");
 869 //      lo_send (listener, "/session/loaded", "ss", s.path().c_str(), s.name().c_str());
 870 }
 871
 872 void
 873 OSC::session_exported (std::string path, std::string name)
 874 {
 875         lo_address listener = lo_address_new (NULL, "7770");
 876         lo_send (listener, "/session/exported", "ss", path.c_str(), name.c_str());
 877         lo_address_free (listener);
 878 }
 879
 880 // end "Application Hook" Handlers //
 881
 882 /* path callbacks */
 883
 884 int
 885 OSC::current_value (const char */*path*/, const char */*types*/, lo_arg **/*argv*/, int /*argc*/, void */*data*/, void* /*user_data*/)
 886 {
 887 #if 0
 888         const char* returl;
 889
 890         if (argc < 3 || types == 0 || strlen (types) < 3 || types[0] != 's' || types[1] != 's' || types[2] != s) {
 891                 return 1;
 892         }
 893
 894         const char *returl = argv[1]->s;
 895         lo_address addr = find_or_cache_addr (returl);
 896
 897         const char *retpath = argv[2]->s;
 898
 899
 900         if (strcmp (argv[0]->s, "transport_frame") == 0) {
 901
 902                 if (session) {
 903                         lo_send (addr, retpath, "i", session->transport_frame());
 904                 }
 905
 906         } else if (strcmp (argv[0]->s, "transport_speed") == 0) {
 907
 908                 if (session) {
 909                         lo_send (addr, retpath, "i", session->transport_frame());
 910                 }
 911
 912         } else if (strcmp (argv[0]->s, "transport_locked") == 0) {
 913
 914                 if (session) {
 915                         lo_send (addr, retpath, "i", session->transport_frame());
 916                 }
 917
 918         } else if (strcmp (argv[0]->s, "punch_in") == 0) {
 919
 920                 if (session) {
 921                         lo_send (addr, retpath, "i", session->transport_frame());
 922                 }
 923
 924         } else if (strcmp (argv[0]->s, "punch_out") == 0) {
 925
 926                 if (session) {
 927                         lo_send (addr, retpath, "i", session->transport_frame());
 928                 }
 929
 930         } else if (strcmp (argv[0]->s, "rec_enable") == 0) {
 931
 932                 if (session) {
 933                         lo_send (addr, retpath, "i", session->transport_frame());
 934                 }
 935
 936         } else {
 937
 938                 /* error */
 939         }
 940 #endif
 941         return 0;
 942 }
 943
 944 void
 945 OSC::routes_list (lo_message msg)
 946 {
 947         if (!session) {
 948                 return;
 949         }
 950         for (int n = 0; n < (int) session->nroutes(); ++n) {
 951
 952                 boost::shared_ptr<Route> r = session->route_by_remote_id (n);
 953
 954                 if (r) {
 955
 956                         lo_message reply = lo_message_new ();
 957
 958                         if (boost::dynamic_pointer_cast<AudioTrack>(r)) {
 959                                 lo_message_add_string (reply, "AT");
 960                         } else if (boost::dynamic_pointer_cast<MidiTrack>(r)) {
 961                                 lo_message_add_string (reply, "MT");
 962                         } else {
 963                                 lo_message_add_string (reply, "B");
 964                         }
 965
 966                         lo_message_add_string (reply, r->name().c_str());
 967                         lo_message_add_int32 (reply, r->n_inputs().n_audio());
 968                         lo_message_add_int32 (reply, r->n_outputs().n_audio());
 969                         lo_message_add_int32 (reply, r->muted());
 970                         lo_message_add_int32 (reply, r->soloed());
 971                         lo_message_add_int32 (reply, r->remote_control_id());
 972
 973                         if (boost::dynamic_pointer_cast<AudioTrack>(r)
 974                                         || boost::dynamic_pointer_cast<MidiTrack>(r)) {
 975
 976                                 boost::shared_ptr<Track> t = boost::dynamic_pointer_cast<Track>(r);
 977                                 lo_message_add_int32 (reply, (int32_t) t->rec_enable_control()->get_value());
 978                         }
 979
 980                         //Automatically listen to routes listed
 981                         listen_to_route(r, lo_message_get_source (msg));
 982
 983                         lo_send_message (lo_message_get_source (msg), "#reply", reply);
 984                         lo_message_free (reply);
 985                 }
 986         }
 987
 988         // Send end of listing message
 989         lo_message reply = lo_message_new ();
 990
 991         lo_message_add_string (reply, "end_route_list");
 992         lo_message_add_int64 (reply, session->frame_rate());
 993         lo_message_add_int64 (reply, session->current_end_frame());
 994
 995         lo_send_message (lo_message_get_source (msg), "#reply", reply);
 996
 997         lo_message_free (reply);
 998 }
 999
1000 void
1001 OSC::transport_frame (lo_message msg)
1002 {
1003         if (!session) {
1004                 return;
1005         }
1006         framepos_t pos = session->transport_frame ();
1007
1008         lo_message reply = lo_message_new ();
1009         lo_message_add_int64 (reply, pos);
1010
1011         lo_send_message (lo_message_get_source (msg), "/ardour/transport_frame", reply);
1012
1013         lo_message_free (reply);
1014 }
1015
1016 void
1017 OSC::transport_speed (lo_message msg)
1018 {
1019         if (!session) {
1020                 return;
1021         }
1022         double ts = session->transport_speed ();
1023
1024         lo_message reply = lo_message_new ();
1025         lo_message_add_double (reply, ts);
1026
1027         lo_send_message (lo_message_get_source (msg), "/ardour/transport_speed", reply);
1028
1029         lo_message_free (reply);
1030 }
1031
1032 void
1033 OSC::record_enabled (lo_message msg)
1034 {
1035         if (!session) {
1036                 return;
1037         }
1038         int re = (int)session->get_record_enabled ();
1039
1040         lo_message reply = lo_message_new ();
1041         lo_message_add_int32 (reply, re);
1042
1043         lo_send_message (lo_message_get_source (msg), "/ardour/record_enabled", reply);
1044
1045         lo_message_free (reply);
1046 }
1047
1048
1049 int
1050 OSC::route_mute (int rid, int yn)
1051 {
1052         if (!session) return -1;
1053
1054         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
1055
1056         if (r) {
1057                 r->mute_control()->set_value (yn ? 1.0 : 0.0, PBD::Controllable::NoGroup);
1058         }
1059
1060         return 0;
1061 }
1062
1063 int
1064 OSC::route_solo (int rid, int yn)
1065 {
1066         if (!session) return -1;
1067
1068         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
1069
1070         if (r) {
1071                 r->solo_control()->set_value (yn ? 1.0 : 0.0, PBD::Controllable::NoGroup);
1072         }
1073
1074         return 0;
1075 }
1076
1077 int
1078 OSC::route_recenable (int rid, int yn)
1079 {
1080         if (!session) return -1;
1081
1082         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
1083
1084         if (r) {
1085                 boost::shared_ptr<Track> trk = boost::dynamic_pointer_cast<Track> (r);
1086                 if (trk) {
1087                         trk->rec_enable_control()->set_value (yn, PBD::Controllable::UseGroup);
1088                 }
1089         }
1090
1091         return 0;
1092 }
1093
1094 int
1095 OSC::route_set_gain_abs (int rid, float level)
1096 {
1097         if (!session) return -1;
1098
1099         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
1100
1101         if (r) {
1102                 r->gain_control()->set_value (level, PBD::Controllable::NoGroup);
1103         }
1104
1105         return 0;
1106 }
1107
1108 int
1109 OSC::route_set_gain_dB (int rid, float dB)
1110 {
1111         if (dB < -192) {
1112                 return route_set_gain_abs (rid, 0.0);
1113         }
1114         return route_set_gain_abs (rid, dB_to_coefficient (dB));
1115 }
1116
1117 int
1118 OSC::route_set_gain_fader (int rid, float pos)
1119 {
1120         return route_set_gain_abs (rid, slider_position_to_gain_with_max (pos, 2.0));
1121 }
1122
1123
1124 int
1125 OSC::route_set_trim_abs (int rid, float level)
1126 {
1127         if (!session) return -1;
1128
1129         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
1130
1131         if (r) {
1132                 r->set_trim (level, PBD::Controllable::NoGroup);
1133         }
1134
1135         return 0;
1136 }
1137
1138 int
1139 OSC::route_set_trim_dB (int rid, float dB)
1140 {
1141         return route_set_trim_abs(rid, dB_to_coefficient (dB));
1142 }
1143
1144
1145 int
1146 OSC::route_set_pan_stereo_position (int rid, float pos)
1147 {
1148         if (!session) return -1;
1149
1150         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
1151
1152         if (r) {
1153                 boost::shared_ptr<Panner> panner = r->panner();
1154                 if (panner) {
1155                         panner->set_position (pos);
1156                 }
1157         }
1158
1159         return 0;
1160
1161 }
1162
1163 int
1164 OSC::route_set_pan_stereo_width (int rid, float pos)
1165 {
1166         if (!session) return -1;
1167
1168         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
1169
1170         if (r) {
1171                 boost::shared_ptr<Panner> panner = r->panner();
1172                 if (panner) {
1173                         panner->set_width (pos);
1174                 }
1175         }
1176
1177         return 0;
1178
1179 }
1180
1181 int
1182 OSC::route_set_send_gain_abs (int rid, int sid, float val)
1183 {
1184         if (!session) {
1185                 return -1;
1186         }
1187
1188         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
1189
1190         if (!r) {
1191                 return -1;
1192         }
1193
1194         /* revert to zero-based counting */
1195
1196         if (sid > 0) {
1197                 --sid;
1198         }
1199
1200         boost::shared_ptr<Processor> p = r->nth_send (sid);
1201
1202         if (p) {
1203                 boost::shared_ptr<Send> s = boost::dynamic_pointer_cast<Send>(p);
1204                 boost::shared_ptr<Amp> a = s->amp();
1205
1206                 if (a) {
1207                         a->gain_control()->set_value (val, PBD::Controllable::NoGroup);
1208                 }
1209         }
1210         return 0;
1211 }
1212
1213 int
1214 OSC::route_set_send_gain_dB (int rid, int sid, float val)
1215 {
1216         if (!session) {
1217                 return -1;
1218         }
1219
1220         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
1221
1222         if (!r) {
1223                 return -1;
1224         }
1225
1226         /* revert to zero-based counting */
1227
1228         if (sid > 0) {
1229                 --sid;
1230         }
1231
1232         boost::shared_ptr<Processor> p = r->nth_send (sid);
1233
1234         if (p) {
1235                 boost::shared_ptr<Send> s = boost::dynamic_pointer_cast<Send>(p);
1236                 boost::shared_ptr<Amp> a = s->amp();
1237
1238                 if (a) {
1239                         a->gain_control()->set_value (dB_to_coefficient (val), PBD::Controllable::NoGroup);
1240                 }
1241         }
1242         return 0;
1243 }
1244
1245 int
1246 OSC::route_plugin_parameter (int rid, int piid, int par, float val)
1247 {
1248         if (!session)
1249                 return -1;
1250
1251         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
1252
1253         if (!r) {
1254                 PBD::error << "OSC: Invalid Remote Control ID '" << rid << "'" << endmsg;
1255                 return -1;
1256         }
1257
1258         boost::shared_ptr<Processor> redi=r->nth_plugin (piid);
1259
1260         if (!redi) {
1261                 PBD::error << "OSC: cannot find plugin # " << piid << " for RID '" << rid << "'" << endmsg;
1262                 return -1;
1263         }
1264
1265         boost::shared_ptr<PluginInsert> pi;
1266
1267         if (!(pi = boost::dynamic_pointer_cast<PluginInsert>(redi))) {
1268                 PBD::error << "OSC: given processor # " << piid << " on RID '" << rid << "' is not a Plugin." << endmsg;
1269                 return -1;
1270         }
1271
1272         boost::shared_ptr<ARDOUR::Plugin> pip = pi->plugin();
1273         bool ok=false;
1274
1275         uint32_t controlid = pip->nth_parameter (par,ok);
1276
1277         if (!ok) {
1278                 PBD::error << "OSC: Cannot find parameter # " << par <<  " for plugin # " << piid << " on RID '" << rid << "'" << endmsg;
1279                 return -1;
1280         }
1281
1282         if (!pip->parameter_is_input(controlid)) {
1283                 PBD::error << "OSC: Parameter # " << par <<  " for plugin # " << piid << " on RID '" << rid << "' is not a control input" << endmsg;
1284                 return -1;
1285         }
1286
1287         ParameterDescriptor pd;
1288         pi->plugin()->get_parameter_descriptor (controlid,pd);
1289
1290         if (val >= pd.lower && val <= pd.upper) {
1291
1292                 boost::shared_ptr<AutomationControl> c = pi->automation_control (Evoral::Parameter(PluginAutomation, 0, controlid));
1293                 // cerr << "parameter:" << redi->describe_parameter(controlid) << " val:" << val << "\n";
1294                 c->set_value (val, PBD::Controllable::NoGroup);
1295         } else {
1296                 PBD::warning << "OSC: Parameter # " << par <<  " for plugin # " << piid << " on RID '" << rid << "' is out of range" << endmsg;
1297                 PBD::info << "OSC: Valid range min=" << pd.lower << " max=" << pd.upper << endmsg;
1298         }
1299
1300         return 0;
1301 }
1302
1303 int
1304 OSC::route_plugin_parameter_print (int rid, int piid, int par)
1305 {
1306         if (!session) {
1307                 return -1;
1308         }
1309
1310         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
1311
1312         if (!r) {
1313                 return -1;
1314         }
1315
1316         boost::shared_ptr<Processor> redi=r->nth_processor (piid);
1317
1318         if (!redi) {
1319                 return -1;
1320         }
1321
1322         boost::shared_ptr<PluginInsert> pi;
1323
1324         if (!(pi = boost::dynamic_pointer_cast<PluginInsert>(redi))) {
1325                 return -1;
1326         }
1327
1328         boost::shared_ptr<ARDOUR::Plugin> pip = pi->plugin();
1329         bool ok=false;
1330
1331         uint32_t controlid = pip->nth_parameter (par,ok);
1332
1333         if (!ok) {
1334                 return -1;
1335         }
1336
1337         ParameterDescriptor pd;
1338
1339         if (pi->plugin()->get_parameter_descriptor (controlid, pd) == 0) {
1340                 boost::shared_ptr<AutomationControl> c = pi->automation_control (Evoral::Parameter(PluginAutomation, 0, controlid));
1341
1342                 cerr << "parameter:     " << redi->describe_parameter(controlid)  << "\n";
1343                 cerr << "current value: " << c->get_value ();
1344                 cerr << "lower value:   " << pd.lower << "\n";
1345                 cerr << "upper value:   " << pd.upper << "\n";
1346         }
1347
1348         return 0;
1349 }
1350
1351 XMLNode&
1352 OSC::get_state ()
1353 {
1354         XMLNode& node (ControlProtocol::get_state());
1355         node.add_property("debugmode", (int) _debugmode); // TODO: enum2str
1356         return node;
1357 }
1358
1359 int
1360 OSC::set_state (const XMLNode& node, int version)
1361 {
1362         if (ControlProtocol::set_state (node, version)) {
1363                 return -1;
1364         }
1365         XMLProperty const * p = node.property (X_("debugmode"));
1366         if (p) {
1367                 _debugmode = OSCDebugMode (PBD::atoi(p->value ()));
1368         }
1369
1370         return 0;
1371 }