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         , _debugmode (Off)
  87         , gui (0)
  88 {
  89         _instance = this;
  90
  91         session_loaded (s);
  92         session->Exported.connect (*this, MISSING_INVALIDATOR, boost::bind (&OSC::session_exported, this, _1, _2), this);
  93 }
  94
  95 OSC::~OSC()
  96 {
  97         stop ();
  98         _instance = 0;
  99 }
 100
 101 void*
 102 OSC::request_factory (uint32_t num_requests)
 103 {
 104         /* AbstractUI<T>::request_buffer_factory() is a template method only
 105            instantiated in this source module. To provide something visible for
 106            use in the interface/descriptor, we have this static method that is
 107            template-free.
 108         */
 109         return request_buffer_factory (num_requests);
 110 }
 111
 112 void
 113 OSC::do_request (OSCUIRequest* req)
 114 {
 115         if (req->type == CallSlot) {
 116
 117                 call_slot (MISSING_INVALIDATOR, req->the_slot);
 118
 119         } else if (req->type == Quit) {
 120
 121                 stop ();
 122         }
 123 }
 124
 125 int
 126 OSC::set_active (bool yn)
 127 {
 128         if (yn != active()) {
 129
 130                 if (yn) {
 131                         if (start ()) {
 132                                 return -1;
 133                         }
 134                 } else {
 135                         if (stop ()) {
 136                                 return -1;
 137                         }
 138                 }
 139
 140         }
 141
 142         return ControlProtocol::set_active (yn);
 143 }
 144
 145 bool
 146 OSC::get_active () const
 147 {
 148         return _osc_server != 0;
 149 }
 150
 151 int
 152 OSC::set_feedback (bool yn)
 153 {
 154         _send_route_changes = yn;
 155         return 0;
 156 }
 157
 158 bool
 159 OSC::get_feedback () const
 160 {
 161         return _send_route_changes;
 162 }
 163
 164 int
 165 OSC::start ()
 166 {
 167         char tmpstr[255];
 168
 169         if (_osc_server) {
 170                 /* already started */
 171                 return 0;
 172         }
 173
 174         for (int j=0; j < 20; ++j) {
 175                 snprintf(tmpstr, sizeof(tmpstr), "%d", _port);
 176
 177                 //if ((_osc_server = lo_server_new_with_proto (tmpstr, LO_TCP, error_callback))) {
 178                 //      break;
 179                 //}
 180
 181                 if ((_osc_server = lo_server_new (tmpstr, error_callback))) {
 182                         break;
 183                 }
 184
 185 #ifdef DEBUG
 186                 cerr << "can't get osc at port: " << _port << endl;
 187 #endif
 188                 _port++;
 189                 continue;
 190         }
 191
 192         if (!_osc_server) {
 193                 return 1;
 194         }
 195
 196 #ifdef ARDOUR_OSC_UNIX_SERVER
 197
 198         // APPEARS sluggish for now
 199
 200         // attempt to create unix socket server too
 201
 202         snprintf(tmpstr, sizeof(tmpstr), "/tmp/sooperlooper_XXXXXX");
 203         int fd = mkstemp(tmpstr);
 204
 205         if (fd >= 0 ) {
 206                 ::g_unlink (tmpstr);
 207                 close (fd);
 208
 209                 _osc_unix_server = lo_server_new (tmpstr, error_callback);
 210
 211                 if (_osc_unix_server) {
 212                         _osc_unix_socket_path = tmpstr;
 213                 }
 214         }
 215 #endif
 216
 217         PBD::info << "OSC @ " << get_server_url () << endmsg;
 218
 219         std::string url_file;
 220
 221         if (find_file (ardour_config_search_path(), "osc_url", url_file)) {
 222                 _osc_url_file = url_file;
 223                 if (g_file_set_contents (_osc_url_file.c_str(), get_server_url().c_str(), -1, NULL)) {
 224                         cerr << "Couldn't write '" <<  _osc_url_file << "'" <<endl;
 225                 }
 226         }
 227
 228         register_callbacks();
 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                 Glib::RefPtr<IOSource> src  = IOSource::create (lo_server_get_socket_fd (_osc_server), IO_IN|IO_HUP|IO_ERR);
 254                 src->connect (sigc::bind (sigc::mem_fun (*this, &OSC::osc_input_handler), _osc_server));
 255                 src->attach (_main_loop->get_context());
 256                 remote_server = src->gobj();
 257                 g_source_ref (remote_server);
 258         }
 259
 260         PBD::notify_event_loops_about_thread_creation (pthread_self(), event_loop_name(), 2048);
 261         SessionEvent::create_per_thread_pool (event_loop_name(), 128);
 262 }
 263
 264 int
 265 OSC::stop ()
 266 {
 267         /* stop main loop */
 268
 269         if (local_server) {
 270                 g_source_destroy (local_server);
 271                 g_source_unref (local_server);
 272                 local_server = 0;
 273         }
 274
 275         if (remote_server) {
 276                 g_source_destroy (remote_server);
 277                 g_source_unref (remote_server);
 278                 remote_server = 0;
 279         }
 280
 281         BaseUI::quit ();
 282
 283         if (_osc_server) {
 284                 lo_server_free (_osc_server);
 285                 _osc_server = 0;
 286         }
 287
 288         if (_osc_unix_server) {
 289                 lo_server_free (_osc_unix_server);
 290                 _osc_unix_server = 0;
 291         }
 292
 293         if (!_osc_unix_socket_path.empty()) {
 294                 ::g_unlink (_osc_unix_socket_path.c_str());
 295         }
 296
 297         if (!_osc_url_file.empty() ) {
 298                 ::g_unlink (_osc_url_file.c_str() );
 299         }
 300
 301         // Delete any active route observers
 302         for (RouteObservers::iterator x = route_observers.begin(); x != route_observers.end();) {
 303
 304                 OSCRouteObserver* rc;
 305
 306                 if ((rc = dynamic_cast<OSCRouteObserver*>(*x)) != 0) {
 307                         delete *x;
 308                         x = route_observers.erase (x);
 309                 } else {
 310                         ++x;
 311                 }
 312         }
 313
 314         return 0;
 315 }
 316
 317 void
 318 OSC::register_callbacks()
 319 {
 320         lo_server srvs[2];
 321         lo_server serv;
 322
 323         srvs[0] = _osc_server;
 324         srvs[1] = _osc_unix_server;
 325
 326         for (size_t i = 0; i < 2; ++i) {
 327
 328                 if (!srvs[i]) {
 329                         continue;
 330                 }
 331
 332                 serv = srvs[i];
 333
 334
 335 #define REGISTER_CALLBACK(serv,path,types, function) lo_server_add_method (serv, path, types, OSC::_ ## function, this)
 336
 337                 REGISTER_CALLBACK (serv, "/routes/list", "", routes_list);
 338                 REGISTER_CALLBACK (serv, "/ardour/add_marker", "", add_marker);
 339                 REGISTER_CALLBACK (serv, "/ardour/access_action", "s", access_action);
 340                 REGISTER_CALLBACK (serv, "/ardour/loop_toggle", "", loop_toggle);
 341                 REGISTER_CALLBACK (serv, "/ardour/loop_location", "ii", loop_location);
 342                 REGISTER_CALLBACK (serv, "/ardour/goto_start", "", goto_start);
 343                 REGISTER_CALLBACK (serv, "/ardour/goto_end", "", goto_end);
 344                 REGISTER_CALLBACK (serv, "/ardour/rewind", "", rewind);
 345                 REGISTER_CALLBACK (serv, "/ardour/ffwd", "", ffwd);
 346                 REGISTER_CALLBACK (serv, "/ardour/transport_stop", "", transport_stop);
 347                 REGISTER_CALLBACK (serv, "/ardour/transport_play", "", transport_play);
 348                 REGISTER_CALLBACK (serv, "/ardour/transport_frame", "", transport_frame);
 349                 REGISTER_CALLBACK (serv, "/ardour/transport_speed", "", transport_speed);
 350                 REGISTER_CALLBACK (serv, "/ardour/record_enabled", "", record_enabled);
 351                 REGISTER_CALLBACK (serv, "/ardour/set_transport_speed", "f", set_transport_speed);
 352                 REGISTER_CALLBACK (serv, "/ardour/locate", "ii", locate);
 353                 REGISTER_CALLBACK (serv, "/ardour/save_state", "", save_state);
 354                 REGISTER_CALLBACK (serv, "/ardour/prev_marker", "", prev_marker);
 355                 REGISTER_CALLBACK (serv, "/ardour/next_marker", "", next_marker);
 356                 REGISTER_CALLBACK (serv, "/ardour/undo", "", undo);
 357                 REGISTER_CALLBACK (serv, "/ardour/redo", "", redo);
 358                 REGISTER_CALLBACK (serv, "/ardour/toggle_punch_in", "", toggle_punch_in);
 359                 REGISTER_CALLBACK (serv, "/ardour/toggle_punch_out", "", toggle_punch_out);
 360                 REGISTER_CALLBACK (serv, "/ardour/rec_enable_toggle", "", rec_enable_toggle);
 361                 REGISTER_CALLBACK (serv, "/ardour/toggle_all_rec_enables", "", toggle_all_rec_enables);
 362                 REGISTER_CALLBACK (serv, "/ardour/all_tracks_rec_in", "f", all_tracks_rec_in);
 363                 REGISTER_CALLBACK (serv, "/ardour/all_tracks_rec_out", "f", all_tracks_rec_out);
 364                 REGISTER_CALLBACK (serv, "/ardour/remove_marker", "", remove_marker_at_playhead);
 365                 REGISTER_CALLBACK (serv, "/ardour/jump_bars", "f", jump_by_bars);
 366                 REGISTER_CALLBACK (serv, "/ardour/jump_seconds", "f", jump_by_seconds);
 367                 REGISTER_CALLBACK (serv, "/ardour/mark_in", "", mark_in);
 368                 REGISTER_CALLBACK (serv, "/ardour/mark_out", "", mark_out);
 369                 REGISTER_CALLBACK (serv, "/ardour/toggle_click", "", toggle_click);
 370                 REGISTER_CALLBACK (serv, "/ardour/midi_panic", "", midi_panic);
 371                 REGISTER_CALLBACK (serv, "/ardour/toggle_roll", "", toggle_roll);
 372                 REGISTER_CALLBACK (serv, "/ardour/stop_forget", "", stop_forget);
 373                 REGISTER_CALLBACK (serv, "/ardour/set_punch_range", "", set_punch_range);
 374                 REGISTER_CALLBACK (serv, "/ardour/set_loop_range", "", set_loop_range);
 375                 REGISTER_CALLBACK (serv, "/ardour/set_session_range", "", set_session_range);
 376                 REGISTER_CALLBACK (serv, "/ardour/toggle_monitor_mute", "", toggle_monitor_mute);
 377                 REGISTER_CALLBACK (serv, "/ardour/toggle_monitor_dim", "", toggle_monitor_dim);
 378                 REGISTER_CALLBACK (serv, "/ardour/toggle_monitor_mono", "", toggle_monitor_mono);
 379                 REGISTER_CALLBACK (serv, "/ardour/quick_snapshot_switch", "", quick_snapshot_switch);
 380                 REGISTER_CALLBACK (serv, "/ardour/quick_snapshot_stay", "", quick_snapshot_stay);
 381                 REGISTER_CALLBACK (serv, "/ardour/fit_1_track", "", fit_1_track);
 382                 REGISTER_CALLBACK (serv, "/ardour/fit_2_tracks", "", fit_2_tracks);
 383                 REGISTER_CALLBACK (serv, "/ardour/fit_4_tracks", "", fit_4_tracks);
 384                 REGISTER_CALLBACK (serv, "/ardour/fit_8_tracks", "", fit_8_tracks);
 385                 REGISTER_CALLBACK (serv, "/ardour/fit_16_tracks", "", fit_16_tracks);
 386                 REGISTER_CALLBACK (serv, "/ardour/fit_32_tracks", "", fit_32_tracks);
 387                 REGISTER_CALLBACK (serv, "/ardour/fit_all_tracks", "", fit_all_tracks);
 388                 REGISTER_CALLBACK (serv, "/ardour/zoom_100_ms", "", zoom_100_ms);
 389                 REGISTER_CALLBACK (serv, "/ardour/zoom_1_sec", "", zoom_1_sec);
 390                 REGISTER_CALLBACK (serv, "/ardour/zoom_10_sec", "", zoom_10_sec);
 391                 REGISTER_CALLBACK (serv, "/ardour/zoom_1_min", "", zoom_1_min);
 392                 REGISTER_CALLBACK (serv, "/ardour/zoom_5_min", "", zoom_5_min);
 393                 REGISTER_CALLBACK (serv, "/ardour/zoom_10_min", "", zoom_10_min);
 394                 REGISTER_CALLBACK (serv, "/ardour/zoom_to_session", "", zoom_to_session);
 395                 REGISTER_CALLBACK (serv, "/ardour/temporal_zoom_in", "f", temporal_zoom_in);
 396                 REGISTER_CALLBACK (serv, "/ardour/temporal_zoom_out", "f", temporal_zoom_out);
 397                 REGISTER_CALLBACK (serv, "/ardour/scroll_up_1_track", "f", scroll_up_1_track);
 398                 REGISTER_CALLBACK (serv, "/ardour/scroll_dn_1_track", "f", scroll_dn_1_track);
 399                 REGISTER_CALLBACK (serv, "/ardour/scroll_up_1_page", "f", scroll_up_1_page);
 400                 REGISTER_CALLBACK (serv, "/ardour/scroll_dn_1_page", "f", scroll_dn_1_page);
 401
 402
 403                 /*
 404                  * NOTE: these messages are provided for (arguably broken) apps
 405                  *   that MUST send float args ( TouchOSC and Lemur ).
 406                  * Normally these ardour transport messages don't require an argument,
 407                  * so we're providing redundant calls with vestigial "float" args.
 408                  *
 409                  * These controls are active on 1.0 only (to prevent duplicate action on
 410                  * press "/button 1", and release "/button 0")
 411                  * http://hexler.net/docs/touchosc-controls-reference
 412                  */
 413                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/loop_toggle", "f", loop_toggle);
 414                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/add_marker", "f", add_marker);
 415                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/goto_start", "f", goto_start);
 416                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/goto_end", "f", goto_end);
 417                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/rewind", "f", rewind);
 418                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/ffwd", "f", ffwd);
 419                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/transport_stop", "f", transport_stop);
 420                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/transport_play", "f", transport_play);
 421                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/save_state", "f", save_state);
 422                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/prev_marker", "f", prev_marker);
 423                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/next_marker", "f", next_marker);
 424                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/undo", "f", undo);
 425                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/redo", "f", redo);
 426                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/toggle_punch_in", "f", toggle_punch_in);
 427                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/toggle_punch_out", "f", toggle_punch_out);
 428                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/rec_enable_toggle", "f", rec_enable_toggle);
 429                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/toggle_all_rec_enables", "f", toggle_all_rec_enables);
 430                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/all_tracks_rec_in", "f", all_tracks_rec_in);
 431                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/all_tracks_rec_out", "f", all_tracks_rec_out);
 432                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/remove_marker", "f", remove_marker_at_playhead);
 433                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/mark_in", "f", mark_in);
 434                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/mark_out", "f", mark_out);
 435                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/toggle_click", "f", toggle_click);
 436                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/midi_panic", "f", midi_panic);
 437                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/toggle_roll", "f", toggle_roll);
 438                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/stop_forget", "f", stop_forget);
 439                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/set_punch_range", "f", set_punch_range);
 440                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/set_loop_range", "f", set_loop_range);
 441                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/set_session_range", "f", set_session_range);
 442                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/toggle_monitor_mute", "f", toggle_monitor_mute);
 443                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/toggle_monitor_dim", "f", toggle_monitor_dim);
 444                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/toggle_monitor_mono", "f", toggle_monitor_mono);
 445                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/quick_snapshot_switch", "f", quick_snapshot_switch);
 446                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/quick_snapshot_stay", "f", quick_snapshot_stay);
 447                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/fit_1_track", "f", fit_1_track);
 448                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/fit_2_tracks", "f", fit_2_tracks);
 449                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/fit_4_tracks", "f", fit_4_tracks);
 450                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/fit_8_tracks", "f", fit_8_tracks);
 451                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/fit_16_tracks", "f", fit_16_tracks);
 452                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/fit_32_tracks", "f", fit_32_tracks);
 453                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/fit_all_tracks", "f", fit_all_tracks);
 454                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/zoom_100_ms", "f", zoom_100_ms);
 455                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/zoom_1_sec", "f", zoom_1_sec);
 456                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/zoom_10_sec", "f", zoom_10_sec);
 457                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/zoom_1_min", "f", zoom_1_min);
 458                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/zoom_5_min", "f", zoom_5_min);
 459                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/zoom_10_min", "f", zoom_10_min);
 460                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/zoom_to_session", "f", zoom_to_session);
 461                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/temporal_zoom_in", "f", temporal_zoom_in);
 462                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/temporal_zoom_out", "f", temporal_zoom_out);
 463                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/scroll_up_1_track", "f", scroll_up_1_track);
 464                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/scroll_dn_1_track", "f", scroll_dn_1_track);
 465                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/scroll_up_1_page", "f", scroll_up_1_page);
 466                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/scroll_dn_1_page", "f", scroll_dn_1_page);
 467
 468                 /* These commands require the route index in addition to the arg; TouchOSC (et al) can't use these  */
 469                 REGISTER_CALLBACK (serv, "/ardour/routes/mute", "ii", route_mute);
 470                 REGISTER_CALLBACK (serv, "/ardour/routes/solo", "ii", route_solo);
 471                 REGISTER_CALLBACK (serv, "/ardour/routes/recenable", "ii", route_recenable);
 472                 REGISTER_CALLBACK (serv, "/ardour/routes/gainabs", "if", route_set_gain_abs);
 473                 REGISTER_CALLBACK (serv, "/ardour/routes/gaindB", "if", route_set_gain_dB);
 474                 REGISTER_CALLBACK (serv, "/ardour/routes/trimabs", "if", route_set_trim_abs);
 475                 REGISTER_CALLBACK (serv, "/ardour/routes/trimdB", "if", route_set_trim_dB);
 476                 REGISTER_CALLBACK (serv, "/ardour/routes/pan_stereo_position", "if", route_set_pan_stereo_position);
 477                 REGISTER_CALLBACK (serv, "/ardour/routes/pan_stereo_width", "if", route_set_pan_stereo_width);
 478                 REGISTER_CALLBACK (serv, "/ardour/routes/plugin/parameter", "iiif", route_plugin_parameter);
 479                 REGISTER_CALLBACK (serv, "/ardour/routes/plugin/parameter/print", "iii", route_plugin_parameter_print);
 480                 REGISTER_CALLBACK (serv, "/ardour/routes/send/gainabs", "iif", route_set_send_gain_abs);
 481                 REGISTER_CALLBACK (serv, "/ardour/routes/send/gaindB", "iif", route_set_send_gain_dB);
 482
 483                 /* still not-really-standardized query interface */
 484                 //REGISTER_CALLBACK (serv, "/ardour/*/#current_value", "", current_value);
 485                 //REGISTER_CALLBACK (serv, "/ardour/set", "", set);
 486
 487                 // un/register_update args= s:ctrl s:returl s:retpath
 488                 //lo_server_add_method(serv, "/register_update", "sss", OSC::global_register_update_handler, this);
 489                 //lo_server_add_method(serv, "/unregister_update", "sss", OSC::global_unregister_update_handler, this);
 490                 //lo_server_add_method(serv, "/register_auto_update", "siss", OSC::global_register_auto_update_handler, this);
 491                 //lo_server_add_method(serv, "/unregister_auto_update", "sss", OSC::_global_unregister_auto_update_handler, this);
 492
 493                 /* this is a special catchall handler,
 494                  * register at the end so this is only called if no
 495                  * other handler matches (used for debug) */
 496                 lo_server_add_method (serv, 0, 0, _catchall, this);
 497         }
 498 }
 499
 500 bool
 501 OSC::osc_input_handler (IOCondition ioc, lo_server srv)
 502 {
 503         if (ioc & ~IO_IN) {
 504                 return false;
 505         }
 506
 507         if (ioc & IO_IN) {
 508                 lo_server_recv (srv);
 509         }
 510
 511         return true;
 512 }
 513
 514 std::string
 515 OSC::get_server_url()
 516 {
 517         string url;
 518         char * urlstr;
 519
 520         if (_osc_server) {
 521                 urlstr = lo_server_get_url (_osc_server);
 522                 url = urlstr;
 523                 free (urlstr);
 524         }
 525
 526         return url;
 527 }
 528
 529 std::string
 530 OSC::get_unix_server_url()
 531 {
 532         string url;
 533         char * urlstr;
 534
 535         if (_osc_unix_server) {
 536                 urlstr = lo_server_get_url (_osc_unix_server);
 537                 url = urlstr;
 538                 free (urlstr);
 539         }
 540
 541         return url;
 542 }
 543
 544 void
 545 OSC::listen_to_route (boost::shared_ptr<Route> route, lo_address addr)
 546 {
 547         /* avoid duplicate listens */
 548
 549         for (RouteObservers::iterator x = route_observers.begin(); x != route_observers.end(); ++x) {
 550
 551                 OSCRouteObserver* ro;
 552
 553                 if ((ro = dynamic_cast<OSCRouteObserver*>(*x)) != 0) {
 554
 555                         int res = strcmp(lo_address_get_hostname(ro->address()), lo_address_get_hostname(addr));
 556
 557                         if (ro->route() == route && res == 0) {
 558                                 return;
 559                         }
 560                 }
 561         }
 562
 563         OSCRouteObserver* o = new OSCRouteObserver (route, addr);
 564         route_observers.push_back (o);
 565
 566         route->DropReferences.connect (*this, MISSING_INVALIDATOR, boost::bind (&OSC::drop_route, this, boost::weak_ptr<Route> (route)), this);
 567 }
 568
 569 void
 570 OSC::drop_route (boost::weak_ptr<Route> wr)
 571 {
 572         boost::shared_ptr<Route> r = wr.lock ();
 573
 574         if (!r) {
 575                 return;
 576         }
 577
 578         for (RouteObservers::iterator x = route_observers.begin(); x != route_observers.end();) {
 579
 580                 OSCRouteObserver* rc;
 581
 582                 if ((rc = dynamic_cast<OSCRouteObserver*>(*x)) != 0) {
 583
 584                         if (rc->route() == r) {
 585                                 delete *x;
 586                                 x = route_observers.erase (x);
 587                         } else {
 588                                 ++x;
 589                         }
 590                 } else {
 591                         ++x;
 592                 }
 593         }
 594 }
 595
 596 void
 597 OSC::end_listen (boost::shared_ptr<Route> r, lo_address addr)
 598 {
 599         RouteObservers::iterator x;
 600
 601         // Remove the route observers
 602         for (x = route_observers.begin(); x != route_observers.end();) {
 603
 604                 OSCRouteObserver* ro;
 605
 606                 if ((ro = dynamic_cast<OSCRouteObserver*>(*x)) != 0) {
 607
 608                         int res = strcmp(lo_address_get_hostname(ro->address()), lo_address_get_hostname(addr));
 609
 610                         if (ro->route() == r && res == 0) {
 611                                 delete *x;
 612                                 x = route_observers.erase (x);
 613                         }
 614                         else {
 615                                 ++x;
 616                         }
 617                 }
 618                 else {
 619                         ++x;
 620                 }
 621         }
 622 }
 623
 624 void
 625 OSC::current_value_query (const char* path, size_t len, lo_arg **argv, int argc, lo_message msg)
 626 {
 627         char* subpath;
 628
 629         subpath = (char*) malloc (len-15+1);
 630         memcpy (subpath, path, len-15);
 631         subpath[len-15] = '\0';
 632
 633         send_current_value (subpath, argv, argc, msg);
 634
 635         free (subpath);
 636 }
 637
 638 void
 639 OSC::send_current_value (const char* path, lo_arg** argv, int argc, lo_message msg)
 640 {
 641         if (!session) {
 642                 return;
 643         }
 644
 645         lo_message reply = lo_message_new ();
 646         boost::shared_ptr<Route> r;
 647         int id;
 648
 649         lo_message_add_string (reply, path);
 650
 651         if (argc == 0) {
 652                 lo_message_add_string (reply, "bad syntax");
 653         } else {
 654                 id = argv[0]->i;
 655                 r = session->route_by_remote_id (id);
 656
 657                 if (!r) {
 658                         lo_message_add_string (reply, "not found");
 659                 } else {
 660
 661                         if (strcmp (path, "/routes/state") == 0) {
 662
 663                                 if (boost::dynamic_pointer_cast<AudioTrack>(r)) {
 664                                         lo_message_add_string (reply, "AT");
 665                                 } else if (boost::dynamic_pointer_cast<MidiTrack>(r)) {
 666                                         lo_message_add_string (reply, "MT");
 667                                 } else {
 668                                         lo_message_add_string (reply, "B");
 669                                 }
 670
 671                                 lo_message_add_string (reply, r->name().c_str());
 672                                 lo_message_add_int32 (reply, r->n_inputs().n_audio());
 673                                 lo_message_add_int32 (reply, r->n_outputs().n_audio());
 674                                 lo_message_add_int32 (reply, r->muted());
 675                                 lo_message_add_int32 (reply, r->soloed());
 676
 677                         } else if (strcmp (path, "/routes/mute") == 0) {
 678
 679                                 lo_message_add_int32 (reply, (float) r->muted());
 680
 681                         } else if (strcmp (path, "/routes/solo") == 0) {
 682
 683                                 lo_message_add_int32 (reply, r->soloed());
 684                         }
 685                 }
 686         }
 687
 688         lo_send_message (lo_message_get_source (msg), "#reply", reply);
 689         lo_message_free (reply);
 690 }
 691
 692 int
 693 OSC::_catchall (const char *path, const char *types, lo_arg **argv, int argc, void *data, void *user_data)
 694 {
 695         return ((OSC*)user_data)->catchall (path, types, argv, argc, data);
 696 }
 697
 698 int
 699 OSC::catchall (const char *path, const char* types, lo_arg **argv, int argc, lo_message msg)
 700 {
 701         size_t len;
 702         int ret = 1; /* unhandled */
 703
 704         //cerr << "Received a message, path = " << path << " types = \""
 705         //     << (types ? types : "NULL") << '"' << endl;
 706
 707         /* 15 for /#current_value plus 2 for /<path> */
 708
 709         len = strlen (path);
 710
 711         if (len >= 17 && !strcmp (&path[len-15], "/#current_value")) {
 712                 current_value_query (path, len, argv, argc, msg);
 713                 ret = 0;
 714
 715         } else if (strcmp (path, "/routes/listen") == 0) {
 716
 717                 cerr << "set up listener\n";
 718
 719                 lo_message reply = lo_message_new ();
 720
 721                 if (argc <= 0) {
 722                         lo_message_add_string (reply, "syntax error");
 723                 } else {
 724                         for (int n = 0; n < argc; ++n) {
 725
 726                                 boost::shared_ptr<Route> r = session->route_by_remote_id (argv[n]->i);
 727
 728                                 if (!r) {
 729                                         lo_message_add_string (reply, "not found");
 730                                         cerr << "no such route\n";
 731                                         break;
 732                                 } else {
 733                                         cerr << "add listener\n";
 734                                         listen_to_route (r, lo_message_get_source (msg));
 735                                         lo_message_add_int32 (reply, argv[n]->i);
 736                                 }
 737                         }
 738                 }
 739
 740                 lo_send_message (lo_message_get_source (msg), "#reply", reply);
 741                 lo_message_free (reply);
 742
 743                 ret = 0;
 744
 745         } else if (strcmp (path, "/routes/ignore") == 0) {
 746
 747                 for (int n = 0; n < argc; ++n) {
 748
 749                         boost::shared_ptr<Route> r = session->route_by_remote_id (argv[n]->i);
 750
 751                         if (r) {
 752                                 end_listen (r, lo_message_get_source (msg));
 753                         }
 754                 }
 755
 756                 ret = 0;
 757         } else if (argc == 1 && types[0] == 'f') { // single float -- probably TouchOSC
 758                 if (!strncmp (path, "/ardour/routes/gainabs/", 23) && strlen (path) > 23) {
 759                         int rid = atoi (&path[23]);
 760                         // use some power-scale mapping??
 761                         route_set_gain_abs (rid, argv[0]->f);
 762                         ret = 0;
 763                 }
 764                 else if (!strncmp (path, "/ardour/routes/trimabs/", 23) && strlen (path) > 23) {
 765                         int rid = atoi (&path[23]);
 766                         // normalize 0..1 ?
 767                         route_set_trim_abs (rid, argv[0]->f);
 768                         ret = 0;
 769                 }
 770                 else if (!strncmp (path, "/ardour/routes/mute/", 20) && strlen (path) > 20) {
 771                         int rid = atoi (&path[20]);
 772                         route_mute (rid, argv[0]->f == 1.0);
 773                         ret = 0;
 774                 }
 775                 else if (!strncmp (path, "/ardour/routes/solo/", 20) && strlen (path) > 20) {
 776                         int rid = atoi (&path[20]);
 777                         route_solo (rid, argv[0]->f == 1.0);
 778                         ret = 0;
 779                 }
 780                 else if (!strncmp (path, "/ardour/routes/recenable/", 25) && strlen (path) > 25) {
 781                         int rid = atoi (&path[25]);
 782                         route_recenable (rid, argv[0]->f == 1.0);
 783                         ret = 0;
 784                 }
 785         }
 786
 787         if ((ret && _debugmode == Unhandled)) {
 788                 debugmsg (_("Unhandled OSC message"), path, types, argv, argc);
 789         }
 790
 791         return ret;
 792 }
 793
 794 void
 795 OSC::debugmsg (const char *prefix, const char *path, const char* types, lo_arg **argv, int argc)
 796 {
 797         std::stringstream ss;
 798         for (int i = 0; i < argc; ++i) {
 799                 lo_type type = (lo_type)types[i];
 800                         ss << " ";
 801                 switch (type) {
 802                         case LO_INT32:
 803                                 ss << "i:" << argv[i]->i;
 804                                 break;
 805                         case LO_FLOAT:
 806                                 ss << "f:" << argv[i]->f;
 807                                 break;
 808                         case LO_DOUBLE:
 809                                 ss << "d:" << argv[i]->d;
 810                                 break;
 811                         case LO_STRING:
 812                                 ss << "s:" << &argv[i]->s;
 813                                 break;
 814                         case LO_INT64:
 815                                 ss << "h:" << argv[i]->h;
 816                                 break;
 817                         case LO_CHAR:
 818                                 ss << "c:" << argv[i]->s;
 819                                 break;
 820                         case LO_TIMETAG:
 821                                 ss << "<Timetag>";
 822                                 break;
 823                         case LO_BLOB:
 824                                 ss << "<BLOB>";
 825                                 break;
 826                         case LO_TRUE:
 827                                 ss << "#T";
 828                                 break;
 829                         case LO_FALSE:
 830                                 ss << "#F";
 831                                 break;
 832                         case LO_NIL:
 833                                 ss << "NIL";
 834                                 break;
 835                         case LO_INFINITUM:
 836                                 ss << "#inf";
 837                                 break;
 838                         case LO_MIDI:
 839                                 ss << "<MIDI>";
 840                                 break;
 841                         case LO_SYMBOL:
 842                                 ss << "<SYMBOL>";
 843                                 break;
 844                         default:
 845                                 ss << "< ?? >";
 846                                 break;
 847                 }
 848         }
 849         PBD::info << prefix << ": " << path << ss.str() << endmsg;
 850 }
 851
 852 void
 853 OSC::update_clock ()
 854 {
 855
 856 }
 857
 858 // "Application Hook" Handlers //
 859 void
 860 OSC::session_loaded (Session& s)
 861 {
 862         lo_address listener = lo_address_new (NULL, "7770");
 863         lo_send (listener, "/session/loaded", "ss", s.path().c_str(), s.name().c_str());
 864 }
 865
 866 void
 867 OSC::session_exported (std::string path, std::string name)
 868 {
 869         lo_address listener = lo_address_new (NULL, "7770");
 870         lo_send (listener, "/session/exported", "ss", path.c_str(), name.c_str());
 871 }
 872
 873 // end "Application Hook" Handlers //
 874
 875 /* path callbacks */
 876
 877 int
 878 OSC::current_value (const char */*path*/, const char */*types*/, lo_arg **/*argv*/, int /*argc*/, void */*data*/, void* /*user_data*/)
 879 {
 880 #if 0
 881         const char* returl;
 882
 883         if (argc < 3 || types == 0 || strlen (types) < 3 || types[0] != 's' || types[1] != 's' || types[2] != s) {
 884                 return 1;
 885         }
 886
 887         const char *returl = argv[1]->s;
 888         lo_address addr = find_or_cache_addr (returl);
 889
 890         const char *retpath = argv[2]->s;
 891
 892
 893         if (strcmp (argv[0]->s, "transport_frame") == 0) {
 894
 895                 if (session) {
 896                         lo_send (addr, retpath, "i", session->transport_frame());
 897                 }
 898
 899         } else if (strcmp (argv[0]->s, "transport_speed") == 0) {
 900
 901                 if (session) {
 902                         lo_send (addr, retpath, "i", session->transport_frame());
 903                 }
 904
 905         } else if (strcmp (argv[0]->s, "transport_locked") == 0) {
 906
 907                 if (session) {
 908                         lo_send (addr, retpath, "i", session->transport_frame());
 909                 }
 910
 911         } else if (strcmp (argv[0]->s, "punch_in") == 0) {
 912
 913                 if (session) {
 914                         lo_send (addr, retpath, "i", session->transport_frame());
 915                 }
 916
 917         } else if (strcmp (argv[0]->s, "punch_out") == 0) {
 918
 919                 if (session) {
 920                         lo_send (addr, retpath, "i", session->transport_frame());
 921                 }
 922
 923         } else if (strcmp (argv[0]->s, "rec_enable") == 0) {
 924
 925                 if (session) {
 926                         lo_send (addr, retpath, "i", session->transport_frame());
 927                 }
 928
 929         } else {
 930
 931                 /* error */
 932         }
 933 #endif
 934         return 0;
 935 }
 936
 937 void
 938 OSC::routes_list (lo_message msg)
 939 {
 940         if (!session) {
 941                 return;
 942         }
 943         for (int n = 0; n < (int) session->nroutes(); ++n) {
 944
 945                 boost::shared_ptr<Route> r = session->route_by_remote_id (n);
 946
 947                 if (r) {
 948
 949                         lo_message reply = lo_message_new ();
 950
 951                         if (boost::dynamic_pointer_cast<AudioTrack>(r)) {
 952                                 lo_message_add_string (reply, "AT");
 953                         } else if (boost::dynamic_pointer_cast<MidiTrack>(r)) {
 954                                 lo_message_add_string (reply, "MT");
 955                         } else {
 956                                 lo_message_add_string (reply, "B");
 957                         }
 958
 959                         lo_message_add_string (reply, r->name().c_str());
 960                         lo_message_add_int32 (reply, r->n_inputs().n_audio());
 961                         lo_message_add_int32 (reply, r->n_outputs().n_audio());
 962                         lo_message_add_int32 (reply, r->muted());
 963                         lo_message_add_int32 (reply, r->soloed());
 964                         lo_message_add_int32 (reply, r->remote_control_id());
 965
 966                         if (boost::dynamic_pointer_cast<AudioTrack>(r)
 967                                         || boost::dynamic_pointer_cast<MidiTrack>(r)) {
 968
 969                                 boost::shared_ptr<Track> t = boost::dynamic_pointer_cast<Track>(r);
 970                                 lo_message_add_int32 (reply, t->record_enabled());
 971                         }
 972
 973                         //Automatically listen to routes listed
 974                         listen_to_route(r, lo_message_get_source (msg));
 975
 976                         lo_send_message (lo_message_get_source (msg), "#reply", reply);
 977                         lo_message_free (reply);
 978                 }
 979         }
 980
 981         // Send end of listing message
 982         lo_message reply = lo_message_new ();
 983
 984         lo_message_add_string (reply, "end_route_list");
 985         lo_message_add_int64 (reply, session->frame_rate());
 986         lo_message_add_int64 (reply, session->current_end_frame());
 987
 988         lo_send_message (lo_message_get_source (msg), "#reply", reply);
 989
 990         lo_message_free (reply);
 991 }
 992
 993 void
 994 OSC::transport_frame (lo_message msg)
 995 {
 996         if (!session) {
 997                 return;
 998         }
 999         framepos_t pos = session->transport_frame ();
1000
1001         lo_message reply = lo_message_new ();
1002         lo_message_add_int64 (reply, pos);
1003
1004         lo_send_message (lo_message_get_source (msg), "/ardour/transport_frame", reply);
1005
1006         lo_message_free (reply);
1007 }
1008
1009 void
1010 OSC::transport_speed (lo_message msg)
1011 {
1012         if (!session) {
1013                 return;
1014         }
1015         double ts = session->transport_speed ();
1016
1017         lo_message reply = lo_message_new ();
1018         lo_message_add_double (reply, ts);
1019
1020         lo_send_message (lo_message_get_source (msg), "/ardour/transport_speed", reply);
1021
1022         lo_message_free (reply);
1023 }
1024
1025 void
1026 OSC::record_enabled (lo_message msg)
1027 {
1028         if (!session) {
1029                 return;
1030         }
1031         int re = (int)session->get_record_enabled ();
1032
1033         lo_message reply = lo_message_new ();
1034         lo_message_add_int32 (reply, re);
1035
1036         lo_send_message (lo_message_get_source (msg), "/ardour/record_enabled", reply);
1037
1038         lo_message_free (reply);
1039 }
1040
1041
1042 int
1043 OSC::route_mute (int rid, int yn)
1044 {
1045         if (!session) return -1;
1046
1047         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
1048
1049         if (r) {
1050                 r->set_mute (yn, this);
1051         }
1052
1053         return 0;
1054 }
1055
1056 int
1057 OSC::route_solo (int rid, int yn)
1058 {
1059         if (!session) return -1;
1060
1061         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
1062
1063         if (r) {
1064                 boost::shared_ptr<RouteList> rl (new RouteList);
1065                 rl->push_back (r);
1066                 session->set_solo (rl, yn);
1067         }
1068
1069         return 0;
1070 }
1071
1072 int
1073 OSC::route_recenable (int rid, int yn)
1074 {
1075         if (!session) return -1;
1076
1077         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
1078
1079         if (r) {
1080                 r->set_record_enabled (yn, this);
1081         }
1082
1083         return 0;
1084 }
1085
1086 int
1087 OSC::route_set_gain_abs (int rid, float level)
1088 {
1089         if (!session) return -1;
1090
1091         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
1092
1093         if (r) {
1094                 r->set_gain (level, PBD::Controllable::NoGroup);
1095         }
1096
1097         return 0;
1098 }
1099
1100 int
1101 OSC::route_set_gain_dB (int rid, float dB)
1102 {
1103         return route_set_gain_abs (rid, dB_to_coefficient (dB));
1104 }
1105
1106
1107 int
1108 OSC::route_set_trim_abs (int rid, float level)
1109 {
1110         if (!session) return -1;
1111
1112         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
1113
1114         if (r) {
1115                 r->set_trim (level, this);
1116         }
1117
1118         return 0;
1119 }
1120
1121 int
1122 OSC::route_set_trim_dB (int rid, float dB)
1123 {
1124         return route_set_trim_abs(rid, dB_to_coefficient (dB));
1125 }
1126
1127
1128 int
1129 OSC::route_set_pan_stereo_position (int rid, float pos)
1130 {
1131         if (!session) return -1;
1132
1133         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
1134
1135         if (r) {
1136                 boost::shared_ptr<Panner> panner = r->panner();
1137                 if (panner) {
1138                         panner->set_position (pos);
1139                 }
1140         }
1141
1142         return 0;
1143
1144 }
1145
1146 int
1147 OSC::route_set_pan_stereo_width (int rid, float pos)
1148 {
1149         if (!session) return -1;
1150
1151         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
1152
1153         if (r) {
1154                 boost::shared_ptr<Panner> panner = r->panner();
1155                 if (panner) {
1156                         panner->set_width (pos);
1157                 }
1158         }
1159
1160         return 0;
1161
1162 }
1163
1164 int
1165 OSC::route_set_send_gain_abs (int rid, int sid, float val)
1166 {
1167         if (!session) {
1168                 return -1;
1169         }
1170
1171         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
1172
1173         if (!r) {
1174                 return -1;
1175         }
1176
1177         /* revert to zero-based counting */
1178
1179         if (sid > 0) {
1180                 --sid;
1181         }
1182
1183         boost::shared_ptr<Processor> p = r->nth_send (sid);
1184
1185         if (p) {
1186                 boost::shared_ptr<Send> s = boost::dynamic_pointer_cast<Send>(p);
1187                 boost::shared_ptr<Amp> a = s->amp();
1188
1189                 if (a) {
1190                         a->gain_control()->set_value (val, PBD::Controllable::NoGroup);
1191                 }
1192         }
1193         return 0;
1194 }
1195
1196 int
1197 OSC::route_set_send_gain_dB (int rid, int sid, float val)
1198 {
1199         if (!session) {
1200                 return -1;
1201         }
1202
1203         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
1204
1205         if (!r) {
1206                 return -1;
1207         }
1208
1209         /* revert to zero-based counting */
1210
1211         if (sid > 0) {
1212                 --sid;
1213         }
1214
1215         boost::shared_ptr<Processor> p = r->nth_send (sid);
1216
1217         if (p) {
1218                 boost::shared_ptr<Send> s = boost::dynamic_pointer_cast<Send>(p);
1219                 boost::shared_ptr<Amp> a = s->amp();
1220
1221                 if (a) {
1222                         a->gain_control()->set_value (dB_to_coefficient (val), PBD::Controllable::NoGroup);
1223                 }
1224         }
1225         return 0;
1226 }
1227
1228 int
1229 OSC::route_plugin_parameter (int rid, int piid, int par, float val)
1230 {
1231         if (!session)
1232                 return -1;
1233
1234         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
1235
1236         if (!r) {
1237                 PBD::error << "OSC: Invalid Remote Control ID '" << rid << "'" << endmsg;
1238                 return -1;
1239         }
1240
1241         boost::shared_ptr<Processor> redi=r->nth_plugin (piid);
1242
1243         if (!redi) {
1244                 PBD::error << "OSC: cannot find plugin # " << piid << " for RID '" << rid << "'" << endmsg;
1245                 return -1;
1246         }
1247
1248         boost::shared_ptr<PluginInsert> pi;
1249
1250         if (!(pi = boost::dynamic_pointer_cast<PluginInsert>(redi))) {
1251                 PBD::error << "OSC: given processor # " << piid << " on RID '" << rid << "' is not a Plugin." << endmsg;
1252                 return -1;
1253         }
1254
1255         boost::shared_ptr<ARDOUR::Plugin> pip = pi->plugin();
1256         bool ok=false;
1257
1258         uint32_t controlid = pip->nth_parameter (par,ok);
1259
1260         if (!ok) {
1261                 PBD::error << "OSC: Cannot find parameter # " << par <<  " for plugin # " << piid << " on RID '" << rid << "'" << endmsg;
1262                 return -1;
1263         }
1264
1265         if (!pip->parameter_is_input(controlid)) {
1266                 PBD::error << "OSC: Parameter # " << par <<  " for plugin # " << piid << " on RID '" << rid << "' is not a control input" << endmsg;
1267                 return -1;
1268         }
1269
1270         ParameterDescriptor pd;
1271         pi->plugin()->get_parameter_descriptor (controlid,pd);
1272
1273         if (val >= pd.lower && val < pd.upper) {
1274
1275                 boost::shared_ptr<AutomationControl> c = pi->automation_control (Evoral::Parameter(PluginAutomation, 0, controlid));
1276                 // cerr << "parameter:" << redi->describe_parameter(controlid) << " val:" << val << "\n";
1277                 c->set_value (val, PBD::Controllable::NoGroup);
1278         } else {
1279                 PBD::warning << "OSC: Parameter # " << par <<  " for plugin # " << piid << " on RID '" << rid << "' is out of range" << endmsg;
1280                 PBD::info << "OSC: Valid range min=" << pd.lower << " max=" << pd.upper << endmsg;
1281         }
1282
1283         return 0;
1284 }
1285
1286 int
1287 OSC::route_plugin_parameter_print (int rid, int piid, int par)
1288 {
1289         if (!session) {
1290                 return -1;
1291         }
1292
1293         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
1294
1295         if (!r) {
1296                 return -1;
1297         }
1298
1299         boost::shared_ptr<Processor> redi=r->nth_processor (piid);
1300
1301         if (!redi) {
1302                 return -1;
1303         }
1304
1305         boost::shared_ptr<PluginInsert> pi;
1306
1307         if (!(pi = boost::dynamic_pointer_cast<PluginInsert>(redi))) {
1308                 return -1;
1309         }
1310
1311         boost::shared_ptr<ARDOUR::Plugin> pip = pi->plugin();
1312         bool ok=false;
1313
1314         uint32_t controlid = pip->nth_parameter (par,ok);
1315
1316         if (!ok) {
1317                 return -1;
1318         }
1319
1320         ParameterDescriptor pd;
1321
1322         if (pi->plugin()->get_parameter_descriptor (controlid, pd) == 0) {
1323                 boost::shared_ptr<AutomationControl> c = pi->automation_control (Evoral::Parameter(PluginAutomation, 0, controlid));
1324
1325                 cerr << "parameter:     " << redi->describe_parameter(controlid)  << "\n";
1326                 cerr << "current value: " << c->get_value ();
1327                 cerr << "lower value:   " << pd.lower << "\n";
1328                 cerr << "upper value:   " << pd.upper << "\n";
1329         }
1330
1331         return 0;
1332 }
1333
1334 XMLNode&
1335 OSC::get_state ()
1336 {
1337         XMLNode& node (ControlProtocol::get_state());
1338         node.add_property("debugmode", (int) _debugmode); // TODO: enum2str
1339         return node;
1340 }
1341
1342 int
1343 OSC::set_state (const XMLNode& node, int version)
1344 {
1345         if (ControlProtocol::set_state (node, version)) {
1346                 return -1;
1347         }
1348         XMLProperty const * p = node.property (X_("debugmode"));
1349         if (p) {
1350                 _debugmode = OSCDebugMode (PBD::atoi(p->value ()));
1351         }
1352
1353         return 0;
1354 }