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->Exported.connect (*this, MISSING_INVALIDATOR, boost::bind (&OSC::session_exported, this, _1, _2), this);
  92 }
  93
  94 OSC::~OSC()
  95 {
  96         stop ();
  97         _instance = 0;
  98 }
  99
 100 void*
 101 OSC::request_factory (uint32_t num_requests)
 102 {
 103         /* AbstractUI<T>::request_buffer_factory() is a template method only
 104            instantiated in this source module. To provide something visible for
 105            use in the interface/descriptor, we have this static method that is
 106            template-free.
 107         */
 108         return request_buffer_factory (num_requests);
 109 }
 110
 111 void
 112 OSC::do_request (OSCUIRequest* req)
 113 {
 114         if (req->type == CallSlot) {
 115
 116                 call_slot (MISSING_INVALIDATOR, req->the_slot);
 117
 118         } else if (req->type == Quit) {
 119
 120                 stop ();
 121         }
 122 }
 123
 124 int
 125 OSC::set_active (bool yn)
 126 {
 127         if (yn != active()) {
 128
 129                 if (yn) {
 130                         if (start ()) {
 131                                 return -1;
 132                         }
 133                 } else {
 134                         if (stop ()) {
 135                                 return -1;
 136                         }
 137                 }
 138
 139         }
 140
 141         return ControlProtocol::set_active (yn);
 142 }
 143
 144 bool
 145 OSC::get_active () const
 146 {
 147         return _osc_server != 0;
 148 }
 149
 150 int
 151 OSC::set_feedback (bool yn)
 152 {
 153         _send_route_changes = yn;
 154         return 0;
 155 }
 156
 157 bool
 158 OSC::get_feedback () const
 159 {
 160         return _send_route_changes;
 161 }
 162
 163 int
 164 OSC::start ()
 165 {
 166         char tmpstr[255];
 167
 168         if (_osc_server) {
 169                 /* already started */
 170                 return 0;
 171         }
 172
 173         for (int j=0; j < 20; ++j) {
 174                 snprintf(tmpstr, sizeof(tmpstr), "%d", _port);
 175
 176                 //if ((_osc_server = lo_server_new_with_proto (tmpstr, LO_TCP, error_callback))) {
 177                 //      break;
 178                 //}
 179
 180                 if ((_osc_server = lo_server_new (tmpstr, error_callback))) {
 181                         break;
 182                 }
 183
 184 #ifdef DEBUG
 185                 cerr << "can't get osc at port: " << _port << endl;
 186 #endif
 187                 _port++;
 188                 continue;
 189         }
 190
 191         if (!_osc_server) {
 192                 return 1;
 193         }
 194
 195 #ifdef ARDOUR_OSC_UNIX_SERVER
 196
 197         // APPEARS sluggish for now
 198
 199         // attempt to create unix socket server too
 200
 201         snprintf(tmpstr, sizeof(tmpstr), "/tmp/sooperlooper_XXXXXX");
 202         int fd = mkstemp(tmpstr);
 203
 204         if (fd >= 0 ) {
 205                 ::g_unlink (tmpstr);
 206                 close (fd);
 207
 208                 _osc_unix_server = lo_server_new (tmpstr, error_callback);
 209
 210                 if (_osc_unix_server) {
 211                         _osc_unix_socket_path = tmpstr;
 212                 }
 213         }
 214 #endif
 215
 216         PBD::info << "OSC @ " << get_server_url () << endmsg;
 217
 218         std::string url_file;
 219
 220         if (find_file (ardour_config_search_path(), "osc_url", url_file)) {
 221                 _osc_url_file = url_file;
 222                 if (g_file_set_contents (_osc_url_file.c_str(), get_server_url().c_str(), -1, NULL)) {
 223                         cerr << "Couldn't write '" <<  _osc_url_file << "'" <<endl;
 224                 }
 225         }
 226
 227         register_callbacks();
 228
 229         session_loaded (*session);
 230
 231         // lo_server_thread_add_method(_sthread, NULL, NULL, OSC::_dummy_handler, this);
 232
 233         /* startup the event loop thread */
 234
 235         BaseUI::run ();
 236
 237         return 0;
 238 }
 239
 240 void
 241 OSC::thread_init ()
 242 {
 243         pthread_set_name (event_loop_name().c_str());
 244
 245         if (_osc_unix_server) {
 246                 Glib::RefPtr<IOSource> src = IOSource::create (lo_server_get_socket_fd (_osc_unix_server), IO_IN|IO_HUP|IO_ERR);
 247                 src->connect (sigc::bind (sigc::mem_fun (*this, &OSC::osc_input_handler), _osc_unix_server));
 248                 src->attach (_main_loop->get_context());
 249                 local_server = src->gobj();
 250                 g_source_ref (local_server);
 251         }
 252
 253         if (_osc_server) {
 254                 Glib::RefPtr<IOSource> src  = IOSource::create (lo_server_get_socket_fd (_osc_server), IO_IN|IO_HUP|IO_ERR);
 255                 src->connect (sigc::bind (sigc::mem_fun (*this, &OSC::osc_input_handler), _osc_server));
 256                 src->attach (_main_loop->get_context());
 257                 remote_server = src->gobj();
 258                 g_source_ref (remote_server);
 259         }
 260
 261         PBD::notify_event_loops_about_thread_creation (pthread_self(), event_loop_name(), 2048);
 262         SessionEvent::create_per_thread_pool (event_loop_name(), 128);
 263 }
 264
 265 int
 266 OSC::stop ()
 267 {
 268         /* stop main loop */
 269
 270         if (local_server) {
 271                 g_source_destroy (local_server);
 272                 g_source_unref (local_server);
 273                 local_server = 0;
 274         }
 275
 276         if (remote_server) {
 277                 g_source_destroy (remote_server);
 278                 g_source_unref (remote_server);
 279                 remote_server = 0;
 280         }
 281
 282         BaseUI::quit ();
 283
 284         if (_osc_server) {
 285                 lo_server_free (_osc_server);
 286                 _osc_server = 0;
 287         }
 288
 289         if (_osc_unix_server) {
 290                 lo_server_free (_osc_unix_server);
 291                 _osc_unix_server = 0;
 292         }
 293
 294         if (!_osc_unix_socket_path.empty()) {
 295                 ::g_unlink (_osc_unix_socket_path.c_str());
 296         }
 297
 298         if (!_osc_url_file.empty() ) {
 299                 ::g_unlink (_osc_url_file.c_str() );
 300         }
 301
 302         // Delete any active route observers
 303         for (RouteObservers::iterator x = route_observers.begin(); x != route_observers.end();) {
 304
 305                 OSCRouteObserver* rc;
 306
 307                 if ((rc = dynamic_cast<OSCRouteObserver*>(*x)) != 0) {
 308                         delete *x;
 309                         x = route_observers.erase (x);
 310                 } else {
 311                         ++x;
 312                 }
 313         }
 314
 315         return 0;
 316 }
 317
 318 void
 319 OSC::register_callbacks()
 320 {
 321         lo_server srvs[2];
 322         lo_server serv;
 323
 324         srvs[0] = _osc_server;
 325         srvs[1] = _osc_unix_server;
 326
 327         for (size_t i = 0; i < 2; ++i) {
 328
 329                 if (!srvs[i]) {
 330                         continue;
 331                 }
 332
 333                 serv = srvs[i];
 334
 335
 336 #define REGISTER_CALLBACK(serv,path,types, function) lo_server_add_method (serv, path, types, OSC::_ ## function, this)
 337
 338                 REGISTER_CALLBACK (serv, "/routes/list", "", routes_list);
 339                 REGISTER_CALLBACK (serv, "/ardour/add_marker", "", add_marker);
 340                 REGISTER_CALLBACK (serv, "/ardour/access_action", "s", access_action);
 341                 REGISTER_CALLBACK (serv, "/ardour/loop_toggle", "", loop_toggle);
 342                 REGISTER_CALLBACK (serv, "/ardour/loop_location", "ii", loop_location);
 343                 REGISTER_CALLBACK (serv, "/ardour/goto_start", "", goto_start);
 344                 REGISTER_CALLBACK (serv, "/ardour/goto_end", "", goto_end);
 345                 REGISTER_CALLBACK (serv, "/ardour/rewind", "", rewind);
 346                 REGISTER_CALLBACK (serv, "/ardour/ffwd", "", ffwd);
 347                 REGISTER_CALLBACK (serv, "/ardour/transport_stop", "", transport_stop);
 348                 REGISTER_CALLBACK (serv, "/ardour/transport_play", "", transport_play);
 349                 REGISTER_CALLBACK (serv, "/ardour/transport_frame", "", transport_frame);
 350                 REGISTER_CALLBACK (serv, "/ardour/transport_speed", "", transport_speed);
 351                 REGISTER_CALLBACK (serv, "/ardour/record_enabled", "", record_enabled);
 352                 REGISTER_CALLBACK (serv, "/ardour/set_transport_speed", "f", set_transport_speed);
 353                 REGISTER_CALLBACK (serv, "/ardour/locate", "ii", locate);
 354                 REGISTER_CALLBACK (serv, "/ardour/save_state", "", save_state);
 355                 REGISTER_CALLBACK (serv, "/ardour/prev_marker", "", prev_marker);
 356                 REGISTER_CALLBACK (serv, "/ardour/next_marker", "", next_marker);
 357                 REGISTER_CALLBACK (serv, "/ardour/undo", "", undo);
 358                 REGISTER_CALLBACK (serv, "/ardour/redo", "", redo);
 359                 REGISTER_CALLBACK (serv, "/ardour/toggle_punch_in", "", toggle_punch_in);
 360                 REGISTER_CALLBACK (serv, "/ardour/toggle_punch_out", "", toggle_punch_out);
 361                 REGISTER_CALLBACK (serv, "/ardour/rec_enable_toggle", "", rec_enable_toggle);
 362                 REGISTER_CALLBACK (serv, "/ardour/toggle_all_rec_enables", "", toggle_all_rec_enables);
 363                 REGISTER_CALLBACK (serv, "/ardour/all_tracks_rec_in", "f", all_tracks_rec_in);
 364                 REGISTER_CALLBACK (serv, "/ardour/all_tracks_rec_out", "f", all_tracks_rec_out);
 365                 REGISTER_CALLBACK (serv, "/ardour/remove_marker", "", remove_marker_at_playhead);
 366                 REGISTER_CALLBACK (serv, "/ardour/jump_bars", "f", jump_by_bars);
 367                 REGISTER_CALLBACK (serv, "/ardour/jump_seconds", "f", jump_by_seconds);
 368                 REGISTER_CALLBACK (serv, "/ardour/mark_in", "", mark_in);
 369                 REGISTER_CALLBACK (serv, "/ardour/mark_out", "", mark_out);
 370                 REGISTER_CALLBACK (serv, "/ardour/toggle_click", "", toggle_click);
 371                 REGISTER_CALLBACK (serv, "/ardour/midi_panic", "", midi_panic);
 372                 REGISTER_CALLBACK (serv, "/ardour/toggle_roll", "", toggle_roll);
 373                 REGISTER_CALLBACK (serv, "/ardour/stop_forget", "", stop_forget);
 374                 REGISTER_CALLBACK (serv, "/ardour/set_punch_range", "", set_punch_range);
 375                 REGISTER_CALLBACK (serv, "/ardour/set_loop_range", "", set_loop_range);
 376                 REGISTER_CALLBACK (serv, "/ardour/set_session_range", "", set_session_range);
 377                 REGISTER_CALLBACK (serv, "/ardour/toggle_monitor_mute", "", toggle_monitor_mute);
 378                 REGISTER_CALLBACK (serv, "/ardour/toggle_monitor_dim", "", toggle_monitor_dim);
 379                 REGISTER_CALLBACK (serv, "/ardour/toggle_monitor_mono", "", toggle_monitor_mono);
 380                 REGISTER_CALLBACK (serv, "/ardour/quick_snapshot_switch", "", quick_snapshot_switch);
 381                 REGISTER_CALLBACK (serv, "/ardour/quick_snapshot_stay", "", quick_snapshot_stay);
 382                 REGISTER_CALLBACK (serv, "/ardour/fit_1_track", "", fit_1_track);
 383                 REGISTER_CALLBACK (serv, "/ardour/fit_2_tracks", "", fit_2_tracks);
 384                 REGISTER_CALLBACK (serv, "/ardour/fit_4_tracks", "", fit_4_tracks);
 385                 REGISTER_CALLBACK (serv, "/ardour/fit_8_tracks", "", fit_8_tracks);
 386                 REGISTER_CALLBACK (serv, "/ardour/fit_16_tracks", "", fit_16_tracks);
 387                 REGISTER_CALLBACK (serv, "/ardour/fit_32_tracks", "", fit_32_tracks);
 388                 REGISTER_CALLBACK (serv, "/ardour/fit_all_tracks", "", fit_all_tracks);
 389                 REGISTER_CALLBACK (serv, "/ardour/zoom_100_ms", "", zoom_100_ms);
 390                 REGISTER_CALLBACK (serv, "/ardour/zoom_1_sec", "", zoom_1_sec);
 391                 REGISTER_CALLBACK (serv, "/ardour/zoom_10_sec", "", zoom_10_sec);
 392                 REGISTER_CALLBACK (serv, "/ardour/zoom_1_min", "", zoom_1_min);
 393                 REGISTER_CALLBACK (serv, "/ardour/zoom_5_min", "", zoom_5_min);
 394                 REGISTER_CALLBACK (serv, "/ardour/zoom_10_min", "", zoom_10_min);
 395                 REGISTER_CALLBACK (serv, "/ardour/zoom_to_session", "", zoom_to_session);
 396                 REGISTER_CALLBACK (serv, "/ardour/temporal_zoom_in", "f", temporal_zoom_in);
 397                 REGISTER_CALLBACK (serv, "/ardour/temporal_zoom_out", "f", temporal_zoom_out);
 398                 REGISTER_CALLBACK (serv, "/ardour/scroll_up_1_track", "f", scroll_up_1_track);
 399                 REGISTER_CALLBACK (serv, "/ardour/scroll_dn_1_track", "f", scroll_dn_1_track);
 400                 REGISTER_CALLBACK (serv, "/ardour/scroll_up_1_page", "f", scroll_up_1_page);
 401                 REGISTER_CALLBACK (serv, "/ardour/scroll_dn_1_page", "f", scroll_dn_1_page);
 402
 403
 404                 /*
 405                  * NOTE: these messages are provided for (arguably broken) apps
 406                  *   that MUST send float args ( TouchOSC and Lemur ).
 407                  * Normally these ardour transport messages don't require an argument,
 408                  * so we're providing redundant calls with vestigial "float" args.
 409                  *
 410                  * These controls are active on 1.0 only (to prevent duplicate action on
 411                  * press "/button 1", and release "/button 0")
 412                  * http://hexler.net/docs/touchosc-controls-reference
 413                  */
 414                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/loop_toggle", "f", loop_toggle);
 415                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/add_marker", "f", add_marker);
 416                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/goto_start", "f", goto_start);
 417                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/goto_end", "f", goto_end);
 418                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/rewind", "f", rewind);
 419                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/ffwd", "f", ffwd);
 420                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/transport_stop", "f", transport_stop);
 421                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/transport_play", "f", transport_play);
 422                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/save_state", "f", save_state);
 423                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/prev_marker", "f", prev_marker);
 424                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/next_marker", "f", next_marker);
 425                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/undo", "f", undo);
 426                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/redo", "f", redo);
 427                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/toggle_punch_in", "f", toggle_punch_in);
 428                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/toggle_punch_out", "f", toggle_punch_out);
 429                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/rec_enable_toggle", "f", rec_enable_toggle);
 430                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/toggle_all_rec_enables", "f", toggle_all_rec_enables);
 431                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/all_tracks_rec_in", "f", all_tracks_rec_in);
 432                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/all_tracks_rec_out", "f", all_tracks_rec_out);
 433                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/remove_marker", "f", remove_marker_at_playhead);
 434                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/mark_in", "f", mark_in);
 435                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/mark_out", "f", mark_out);
 436                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/toggle_click", "f", toggle_click);
 437                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/midi_panic", "f", midi_panic);
 438                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/toggle_roll", "f", toggle_roll);
 439                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/stop_forget", "f", stop_forget);
 440                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/set_punch_range", "f", set_punch_range);
 441                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/set_loop_range", "f", set_loop_range);
 442                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/set_session_range", "f", set_session_range);
 443                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/toggle_monitor_mute", "f", toggle_monitor_mute);
 444                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/toggle_monitor_dim", "f", toggle_monitor_dim);
 445                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/toggle_monitor_mono", "f", toggle_monitor_mono);
 446                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/quick_snapshot_switch", "f", quick_snapshot_switch);
 447                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/quick_snapshot_stay", "f", quick_snapshot_stay);
 448                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/fit_1_track", "f", fit_1_track);
 449                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/fit_2_tracks", "f", fit_2_tracks);
 450                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/fit_4_tracks", "f", fit_4_tracks);
 451                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/fit_8_tracks", "f", fit_8_tracks);
 452                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/fit_16_tracks", "f", fit_16_tracks);
 453                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/fit_32_tracks", "f", fit_32_tracks);
 454                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/fit_all_tracks", "f", fit_all_tracks);
 455                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/zoom_100_ms", "f", zoom_100_ms);
 456                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/zoom_1_sec", "f", zoom_1_sec);
 457                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/zoom_10_sec", "f", zoom_10_sec);
 458                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/zoom_1_min", "f", zoom_1_min);
 459                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/zoom_5_min", "f", zoom_5_min);
 460                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/zoom_10_min", "f", zoom_10_min);
 461                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/zoom_to_session", "f", zoom_to_session);
 462                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/temporal_zoom_in", "f", temporal_zoom_in);
 463                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/temporal_zoom_out", "f", temporal_zoom_out);
 464                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/scroll_up_1_track", "f", scroll_up_1_track);
 465                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/scroll_dn_1_track", "f", scroll_dn_1_track);
 466                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/scroll_up_1_page", "f", scroll_up_1_page);
 467                 REGISTER_CALLBACK (serv, "/ardour/pushbutton/scroll_dn_1_page", "f", scroll_dn_1_page);
 468
 469                 /* These commands require the route index in addition to the arg; TouchOSC (et al) can't use these  */
 470                 REGISTER_CALLBACK (serv, "/ardour/routes/mute", "ii", route_mute);
 471                 REGISTER_CALLBACK (serv, "/ardour/routes/solo", "ii", route_solo);
 472                 REGISTER_CALLBACK (serv, "/ardour/routes/recenable", "ii", route_recenable);
 473                 REGISTER_CALLBACK (serv, "/ardour/routes/gainabs", "if", route_set_gain_abs);
 474                 REGISTER_CALLBACK (serv, "/ardour/routes/gaindB", "if", route_set_gain_dB);
 475                 REGISTER_CALLBACK (serv, "/ardour/routes/trimabs", "if", route_set_trim_abs);
 476                 REGISTER_CALLBACK (serv, "/ardour/routes/trimdB", "if", route_set_trim_dB);
 477                 REGISTER_CALLBACK (serv, "/ardour/routes/pan_stereo_position", "if", route_set_pan_stereo_position);
 478                 REGISTER_CALLBACK (serv, "/ardour/routes/pan_stereo_width", "if", route_set_pan_stereo_width);
 479                 REGISTER_CALLBACK (serv, "/ardour/routes/plugin/parameter", "iiif", route_plugin_parameter);
 480                 REGISTER_CALLBACK (serv, "/ardour/routes/plugin/parameter/print", "iii", route_plugin_parameter_print);
 481                 REGISTER_CALLBACK (serv, "/ardour/routes/send/gainabs", "iif", route_set_send_gain_abs);
 482                 REGISTER_CALLBACK (serv, "/ardour/routes/send/gaindB", "iif", route_set_send_gain_dB);
 483
 484                 /* still not-really-standardized query interface */
 485                 //REGISTER_CALLBACK (serv, "/ardour/*/#current_value", "", current_value);
 486                 //REGISTER_CALLBACK (serv, "/ardour/set", "", set);
 487
 488                 // un/register_update args= s:ctrl s:returl s:retpath
 489                 //lo_server_add_method(serv, "/register_update", "sss", OSC::global_register_update_handler, this);
 490                 //lo_server_add_method(serv, "/unregister_update", "sss", OSC::global_unregister_update_handler, this);
 491                 //lo_server_add_method(serv, "/register_auto_update", "siss", OSC::global_register_auto_update_handler, this);
 492                 //lo_server_add_method(serv, "/unregister_auto_update", "sss", OSC::_global_unregister_auto_update_handler, this);
 493
 494                 /* this is a special catchall handler,
 495                  * register at the end so this is only called if no
 496                  * other handler matches (used for debug) */
 497                 lo_server_add_method (serv, 0, 0, _catchall, this);
 498         }
 499 }
 500
 501 bool
 502 OSC::osc_input_handler (IOCondition ioc, lo_server srv)
 503 {
 504         if (ioc & ~IO_IN) {
 505                 return false;
 506         }
 507
 508         if (ioc & IO_IN) {
 509                 lo_server_recv (srv);
 510         }
 511
 512         return true;
 513 }
 514
 515 std::string
 516 OSC::get_server_url()
 517 {
 518         string url;
 519         char * urlstr;
 520
 521         if (_osc_server) {
 522                 urlstr = lo_server_get_url (_osc_server);
 523                 url = urlstr;
 524                 free (urlstr);
 525         }
 526
 527         return url;
 528 }
 529
 530 std::string
 531 OSC::get_unix_server_url()
 532 {
 533         string url;
 534         char * urlstr;
 535
 536         if (_osc_unix_server) {
 537                 urlstr = lo_server_get_url (_osc_unix_server);
 538                 url = urlstr;
 539                 free (urlstr);
 540         }
 541
 542         return url;
 543 }
 544
 545 void
 546 OSC::listen_to_route (boost::shared_ptr<Route> route, lo_address addr)
 547 {
 548         /* avoid duplicate listens */
 549
 550         for (RouteObservers::iterator x = route_observers.begin(); x != route_observers.end(); ++x) {
 551
 552                 OSCRouteObserver* ro;
 553
 554                 if ((ro = dynamic_cast<OSCRouteObserver*>(*x)) != 0) {
 555
 556                         int res = strcmp(lo_address_get_hostname(ro->address()), lo_address_get_hostname(addr));
 557
 558                         if (ro->route() == route && res == 0) {
 559                                 return;
 560                         }
 561                 }
 562         }
 563
 564         OSCRouteObserver* o = new OSCRouteObserver (route, addr);
 565         route_observers.push_back (o);
 566
 567         route->DropReferences.connect (*this, MISSING_INVALIDATOR, boost::bind (&OSC::drop_route, this, boost::weak_ptr<Route> (route)), this);
 568 }
 569
 570 void
 571 OSC::drop_route (boost::weak_ptr<Route> wr)
 572 {
 573         boost::shared_ptr<Route> r = wr.lock ();
 574
 575         if (!r) {
 576                 return;
 577         }
 578
 579         for (RouteObservers::iterator x = route_observers.begin(); x != route_observers.end();) {
 580
 581                 OSCRouteObserver* rc;
 582
 583                 if ((rc = dynamic_cast<OSCRouteObserver*>(*x)) != 0) {
 584
 585                         if (rc->route() == r) {
 586                                 delete *x;
 587                                 x = route_observers.erase (x);
 588                         } else {
 589                                 ++x;
 590                         }
 591                 } else {
 592                         ++x;
 593                 }
 594         }
 595 }
 596
 597 void
 598 OSC::end_listen (boost::shared_ptr<Route> r, lo_address addr)
 599 {
 600         RouteObservers::iterator x;
 601
 602         // Remove the route observers
 603         for (x = route_observers.begin(); x != route_observers.end();) {
 604
 605                 OSCRouteObserver* ro;
 606
 607                 if ((ro = dynamic_cast<OSCRouteObserver*>(*x)) != 0) {
 608
 609                         int res = strcmp(lo_address_get_hostname(ro->address()), lo_address_get_hostname(addr));
 610
 611                         if (ro->route() == r && res == 0) {
 612                                 delete *x;
 613                                 x = route_observers.erase (x);
 614                         }
 615                         else {
 616                                 ++x;
 617                         }
 618                 }
 619                 else {
 620                         ++x;
 621                 }
 622         }
 623 }
 624
 625 void
 626 OSC::current_value_query (const char* path, size_t len, lo_arg **argv, int argc, lo_message msg)
 627 {
 628         char* subpath;
 629
 630         subpath = (char*) malloc (len-15+1);
 631         memcpy (subpath, path, len-15);
 632         subpath[len-15] = '\0';
 633
 634         send_current_value (subpath, argv, argc, msg);
 635
 636         free (subpath);
 637 }
 638
 639 void
 640 OSC::send_current_value (const char* path, lo_arg** argv, int argc, lo_message msg)
 641 {
 642         if (!session) {
 643                 return;
 644         }
 645
 646         lo_message reply = lo_message_new ();
 647         boost::shared_ptr<Route> r;
 648         int id;
 649
 650         lo_message_add_string (reply, path);
 651
 652         if (argc == 0) {
 653                 lo_message_add_string (reply, "bad syntax");
 654         } else {
 655                 id = argv[0]->i;
 656                 r = session->route_by_remote_id (id);
 657
 658                 if (!r) {
 659                         lo_message_add_string (reply, "not found");
 660                 } else {
 661
 662                         if (strcmp (path, "/routes/state") == 0) {
 663
 664                                 if (boost::dynamic_pointer_cast<AudioTrack>(r)) {
 665                                         lo_message_add_string (reply, "AT");
 666                                 } else if (boost::dynamic_pointer_cast<MidiTrack>(r)) {
 667                                         lo_message_add_string (reply, "MT");
 668                                 } else {
 669                                         lo_message_add_string (reply, "B");
 670                                 }
 671
 672                                 lo_message_add_string (reply, r->name().c_str());
 673                                 lo_message_add_int32 (reply, r->n_inputs().n_audio());
 674                                 lo_message_add_int32 (reply, r->n_outputs().n_audio());
 675                                 lo_message_add_int32 (reply, r->muted());
 676                                 lo_message_add_int32 (reply, r->soloed());
 677
 678                         } else if (strcmp (path, "/routes/mute") == 0) {
 679
 680                                 lo_message_add_int32 (reply, (float) r->muted());
 681
 682                         } else if (strcmp (path, "/routes/solo") == 0) {
 683
 684                                 lo_message_add_int32 (reply, r->soloed());
 685                         }
 686                 }
 687         }
 688
 689         lo_send_message (lo_message_get_source (msg), "#reply", reply);
 690         lo_message_free (reply);
 691 }
 692
 693 int
 694 OSC::_catchall (const char *path, const char *types, lo_arg **argv, int argc, void *data, void *user_data)
 695 {
 696         return ((OSC*)user_data)->catchall (path, types, argv, argc, data);
 697 }
 698
 699 int
 700 OSC::catchall (const char *path, const char* types, lo_arg **argv, int argc, lo_message msg)
 701 {
 702         size_t len;
 703         int ret = 1; /* unhandled */
 704
 705         //cerr << "Received a message, path = " << path << " types = \""
 706         //     << (types ? types : "NULL") << '"' << endl;
 707
 708         /* 15 for /#current_value plus 2 for /<path> */
 709
 710         len = strlen (path);
 711
 712         if (len >= 17 && !strcmp (&path[len-15], "/#current_value")) {
 713                 current_value_query (path, len, argv, argc, msg);
 714                 ret = 0;
 715
 716         } else if (strcmp (path, "/routes/listen") == 0) {
 717
 718                 cerr << "set up listener\n";
 719
 720                 lo_message reply = lo_message_new ();
 721
 722                 if (argc <= 0) {
 723                         lo_message_add_string (reply, "syntax error");
 724                 } else {
 725                         for (int n = 0; n < argc; ++n) {
 726
 727                                 boost::shared_ptr<Route> r = session->route_by_remote_id (argv[n]->i);
 728
 729                                 if (!r) {
 730                                         lo_message_add_string (reply, "not found");
 731                                         cerr << "no such route\n";
 732                                         break;
 733                                 } else {
 734                                         cerr << "add listener\n";
 735                                         listen_to_route (r, lo_message_get_source (msg));
 736                                         lo_message_add_int32 (reply, argv[n]->i);
 737                                 }
 738                         }
 739                 }
 740
 741                 lo_send_message (lo_message_get_source (msg), "#reply", reply);
 742                 lo_message_free (reply);
 743
 744                 ret = 0;
 745
 746         } else if (strcmp (path, "/routes/ignore") == 0) {
 747
 748                 for (int n = 0; n < argc; ++n) {
 749
 750                         boost::shared_ptr<Route> r = session->route_by_remote_id (argv[n]->i);
 751
 752                         if (r) {
 753                                 end_listen (r, lo_message_get_source (msg));
 754                         }
 755                 }
 756
 757                 ret = 0;
 758         } else if (argc == 1 && types[0] == 'f') { // single float -- probably TouchOSC
 759                 if (!strncmp (path, "/ardour/routes/gainabs/", 23) && strlen (path) > 23) {
 760                         int rid = atoi (&path[23]);
 761                         // use some power-scale mapping??
 762                         route_set_gain_abs (rid, argv[0]->f);
 763                         ret = 0;
 764                 }
 765                 else if (!strncmp (path, "/ardour/routes/trimabs/", 23) && strlen (path) > 23) {
 766                         int rid = atoi (&path[23]);
 767                         // normalize 0..1 ?
 768                         route_set_trim_abs (rid, argv[0]->f);
 769                         ret = 0;
 770                 }
 771                 else if (!strncmp (path, "/ardour/routes/mute/", 20) && strlen (path) > 20) {
 772                         int rid = atoi (&path[20]);
 773                         route_mute (rid, argv[0]->f == 1.0);
 774                         ret = 0;
 775                 }
 776                 else if (!strncmp (path, "/ardour/routes/solo/", 20) && strlen (path) > 20) {
 777                         int rid = atoi (&path[20]);
 778                         route_solo (rid, argv[0]->f == 1.0);
 779                         ret = 0;
 780                 }
 781                 else if (!strncmp (path, "/ardour/routes/recenable/", 25) && strlen (path) > 25) {
 782                         int rid = atoi (&path[25]);
 783                         route_recenable (rid, argv[0]->f == 1.0);
 784                         ret = 0;
 785                 }
 786         }
 787
 788         if ((ret && _debugmode == Unhandled)) {
 789                 debugmsg (_("Unhandled OSC message"), path, types, argv, argc);
 790         }
 791
 792         return ret;
 793 }
 794
 795 void
 796 OSC::debugmsg (const char *prefix, const char *path, const char* types, lo_arg **argv, int argc)
 797 {
 798         std::stringstream ss;
 799         for (int i = 0; i < argc; ++i) {
 800                 lo_type type = (lo_type)types[i];
 801                         ss << " ";
 802                 switch (type) {
 803                         case LO_INT32:
 804                                 ss << "i:" << argv[i]->i;
 805                                 break;
 806                         case LO_FLOAT:
 807                                 ss << "f:" << argv[i]->f;
 808                                 break;
 809                         case LO_DOUBLE:
 810                                 ss << "d:" << argv[i]->d;
 811                                 break;
 812                         case LO_STRING:
 813                                 ss << "s:" << &argv[i]->s;
 814                                 break;
 815                         case LO_INT64:
 816                                 ss << "h:" << argv[i]->h;
 817                                 break;
 818                         case LO_CHAR:
 819                                 ss << "c:" << argv[i]->s;
 820                                 break;
 821                         case LO_TIMETAG:
 822                                 ss << "<Timetag>";
 823                                 break;
 824                         case LO_BLOB:
 825                                 ss << "<BLOB>";
 826                                 break;
 827                         case LO_TRUE:
 828                                 ss << "#T";
 829                                 break;
 830                         case LO_FALSE:
 831                                 ss << "#F";
 832                                 break;
 833                         case LO_NIL:
 834                                 ss << "NIL";
 835                                 break;
 836                         case LO_INFINITUM:
 837                                 ss << "#inf";
 838                                 break;
 839                         case LO_MIDI:
 840                                 ss << "<MIDI>";
 841                                 break;
 842                         case LO_SYMBOL:
 843                                 ss << "<SYMBOL>";
 844                                 break;
 845                         default:
 846                                 ss << "< ?? >";
 847                                 break;
 848                 }
 849         }
 850         PBD::info << prefix << ": " << path << ss.str() << endmsg;
 851 }
 852
 853 void
 854 OSC::update_clock ()
 855 {
 856
 857 }
 858
 859 // "Application Hook" Handlers //
 860 void
 861 OSC::session_loaded (Session& s)
 862 {
 863 //      lo_address listener = lo_address_new (NULL, "7770");
 864 //      lo_send (listener, "/session/loaded", "ss", s.path().c_str(), s.name().c_str());
 865 }
 866
 867 void
 868 OSC::session_exported (std::string path, std::string name)
 869 {
 870         lo_address listener = lo_address_new (NULL, "7770");
 871         lo_send (listener, "/session/exported", "ss", path.c_str(), name.c_str());
 872 }
 873
 874 // end "Application Hook" Handlers //
 875
 876 /* path callbacks */
 877
 878 int
 879 OSC::current_value (const char */*path*/, const char */*types*/, lo_arg **/*argv*/, int /*argc*/, void */*data*/, void* /*user_data*/)
 880 {
 881 #if 0
 882         const char* returl;
 883
 884         if (argc < 3 || types == 0 || strlen (types) < 3 || types[0] != 's' || types[1] != 's' || types[2] != s) {
 885                 return 1;
 886         }
 887
 888         const char *returl = argv[1]->s;
 889         lo_address addr = find_or_cache_addr (returl);
 890
 891         const char *retpath = argv[2]->s;
 892
 893
 894         if (strcmp (argv[0]->s, "transport_frame") == 0) {
 895
 896                 if (session) {
 897                         lo_send (addr, retpath, "i", session->transport_frame());
 898                 }
 899
 900         } else if (strcmp (argv[0]->s, "transport_speed") == 0) {
 901
 902                 if (session) {
 903                         lo_send (addr, retpath, "i", session->transport_frame());
 904                 }
 905
 906         } else if (strcmp (argv[0]->s, "transport_locked") == 0) {
 907
 908                 if (session) {
 909                         lo_send (addr, retpath, "i", session->transport_frame());
 910                 }
 911
 912         } else if (strcmp (argv[0]->s, "punch_in") == 0) {
 913
 914                 if (session) {
 915                         lo_send (addr, retpath, "i", session->transport_frame());
 916                 }
 917
 918         } else if (strcmp (argv[0]->s, "punch_out") == 0) {
 919
 920                 if (session) {
 921                         lo_send (addr, retpath, "i", session->transport_frame());
 922                 }
 923
 924         } else if (strcmp (argv[0]->s, "rec_enable") == 0) {
 925
 926                 if (session) {
 927                         lo_send (addr, retpath, "i", session->transport_frame());
 928                 }
 929
 930         } else {
 931
 932                 /* error */
 933         }
 934 #endif
 935         return 0;
 936 }
 937
 938 void
 939 OSC::routes_list (lo_message msg)
 940 {
 941         if (!session) {
 942                 return;
 943         }
 944         for (int n = 0; n < (int) session->nroutes(); ++n) {
 945
 946                 boost::shared_ptr<Route> r = session->route_by_remote_id (n);
 947
 948                 if (r) {
 949
 950                         lo_message reply = lo_message_new ();
 951
 952                         if (boost::dynamic_pointer_cast<AudioTrack>(r)) {
 953                                 lo_message_add_string (reply, "AT");
 954                         } else if (boost::dynamic_pointer_cast<MidiTrack>(r)) {
 955                                 lo_message_add_string (reply, "MT");
 956                         } else {
 957                                 lo_message_add_string (reply, "B");
 958                         }
 959
 960                         lo_message_add_string (reply, r->name().c_str());
 961                         lo_message_add_int32 (reply, r->n_inputs().n_audio());
 962                         lo_message_add_int32 (reply, r->n_outputs().n_audio());
 963                         lo_message_add_int32 (reply, r->muted());
 964                         lo_message_add_int32 (reply, r->soloed());
 965                         lo_message_add_int32 (reply, r->remote_control_id());
 966
 967                         if (boost::dynamic_pointer_cast<AudioTrack>(r)
 968                                         || boost::dynamic_pointer_cast<MidiTrack>(r)) {
 969
 970                                 boost::shared_ptr<Track> t = boost::dynamic_pointer_cast<Track>(r);
 971                                 lo_message_add_int32 (reply, t->record_enabled());
 972                         }
 973
 974                         //Automatically listen to routes listed
 975                         listen_to_route(r, lo_message_get_source (msg));
 976
 977                         lo_send_message (lo_message_get_source (msg), "#reply", reply);
 978                         lo_message_free (reply);
 979                 }
 980         }
 981
 982         // Send end of listing message
 983         lo_message reply = lo_message_new ();
 984
 985         lo_message_add_string (reply, "end_route_list");
 986         lo_message_add_int64 (reply, session->frame_rate());
 987         lo_message_add_int64 (reply, session->current_end_frame());
 988
 989         lo_send_message (lo_message_get_source (msg), "#reply", reply);
 990
 991         lo_message_free (reply);
 992 }
 993
 994 void
 995 OSC::transport_frame (lo_message msg)
 996 {
 997         if (!session) {
 998                 return;
 999         }
1000         framepos_t pos = session->transport_frame ();
1001
1002         lo_message reply = lo_message_new ();
1003         lo_message_add_int64 (reply, pos);
1004
1005         lo_send_message (lo_message_get_source (msg), "/ardour/transport_frame", reply);
1006
1007         lo_message_free (reply);
1008 }
1009
1010 void
1011 OSC::transport_speed (lo_message msg)
1012 {
1013         if (!session) {
1014                 return;
1015         }
1016         double ts = session->transport_speed ();
1017
1018         lo_message reply = lo_message_new ();
1019         lo_message_add_double (reply, ts);
1020
1021         lo_send_message (lo_message_get_source (msg), "/ardour/transport_speed", reply);
1022
1023         lo_message_free (reply);
1024 }
1025
1026 void
1027 OSC::record_enabled (lo_message msg)
1028 {
1029         if (!session) {
1030                 return;
1031         }
1032         int re = (int)session->get_record_enabled ();
1033
1034         lo_message reply = lo_message_new ();
1035         lo_message_add_int32 (reply, re);
1036
1037         lo_send_message (lo_message_get_source (msg), "/ardour/record_enabled", reply);
1038
1039         lo_message_free (reply);
1040 }
1041
1042
1043 int
1044 OSC::route_mute (int rid, int yn)
1045 {
1046         if (!session) return -1;
1047
1048         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
1049
1050         if (r) {
1051                 r->set_mute (yn, PBD::Controllable::NoGroup);
1052         }
1053
1054         return 0;
1055 }
1056
1057 int
1058 OSC::route_solo (int rid, int yn)
1059 {
1060         if (!session) return -1;
1061
1062         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
1063
1064         if (r) {
1065                 boost::shared_ptr<RouteList> rl (new RouteList);
1066                 rl->push_back (r);
1067                 session->set_solo (rl, yn, Session::rt_cleanup, PBD::Controllable::NoGroup);
1068         }
1069
1070         return 0;
1071 }
1072
1073 int
1074 OSC::route_recenable (int rid, int yn)
1075 {
1076         if (!session) return -1;
1077
1078         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
1079
1080         if (r) {
1081                 r->set_record_enabled (yn, PBD::Controllable::NoGroup);
1082         }
1083
1084         return 0;
1085 }
1086
1087 int
1088 OSC::route_set_gain_abs (int rid, float level)
1089 {
1090         if (!session) return -1;
1091
1092         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
1093
1094         if (r) {
1095                 r->set_gain (level, PBD::Controllable::NoGroup);
1096         }
1097
1098         return 0;
1099 }
1100
1101 int
1102 OSC::route_set_gain_dB (int rid, float dB)
1103 {
1104         return route_set_gain_abs (rid, dB_to_coefficient (dB));
1105 }
1106
1107
1108 int
1109 OSC::route_set_trim_abs (int rid, float level)
1110 {
1111         if (!session) return -1;
1112
1113         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
1114
1115         if (r) {
1116                 r->set_trim (level, PBD::Controllable::NoGroup);
1117         }
1118
1119         return 0;
1120 }
1121
1122 int
1123 OSC::route_set_trim_dB (int rid, float dB)
1124 {
1125         return route_set_trim_abs(rid, dB_to_coefficient (dB));
1126 }
1127
1128
1129 int
1130 OSC::route_set_pan_stereo_position (int rid, float pos)
1131 {
1132         if (!session) return -1;
1133
1134         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
1135
1136         if (r) {
1137                 boost::shared_ptr<Panner> panner = r->panner();
1138                 if (panner) {
1139                         panner->set_position (pos);
1140                 }
1141         }
1142
1143         return 0;
1144
1145 }
1146
1147 int
1148 OSC::route_set_pan_stereo_width (int rid, float pos)
1149 {
1150         if (!session) return -1;
1151
1152         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
1153
1154         if (r) {
1155                 boost::shared_ptr<Panner> panner = r->panner();
1156                 if (panner) {
1157                         panner->set_width (pos);
1158                 }
1159         }
1160
1161         return 0;
1162
1163 }
1164
1165 int
1166 OSC::route_set_send_gain_abs (int rid, int sid, float val)
1167 {
1168         if (!session) {
1169                 return -1;
1170         }
1171
1172         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
1173
1174         if (!r) {
1175                 return -1;
1176         }
1177
1178         /* revert to zero-based counting */
1179
1180         if (sid > 0) {
1181                 --sid;
1182         }
1183
1184         boost::shared_ptr<Processor> p = r->nth_send (sid);
1185
1186         if (p) {
1187                 boost::shared_ptr<Send> s = boost::dynamic_pointer_cast<Send>(p);
1188                 boost::shared_ptr<Amp> a = s->amp();
1189
1190                 if (a) {
1191                         a->gain_control()->set_value (val, PBD::Controllable::NoGroup);
1192                 }
1193         }
1194         return 0;
1195 }
1196
1197 int
1198 OSC::route_set_send_gain_dB (int rid, int sid, float val)
1199 {
1200         if (!session) {
1201                 return -1;
1202         }
1203
1204         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
1205
1206         if (!r) {
1207                 return -1;
1208         }
1209
1210         /* revert to zero-based counting */
1211
1212         if (sid > 0) {
1213                 --sid;
1214         }
1215
1216         boost::shared_ptr<Processor> p = r->nth_send (sid);
1217
1218         if (p) {
1219                 boost::shared_ptr<Send> s = boost::dynamic_pointer_cast<Send>(p);
1220                 boost::shared_ptr<Amp> a = s->amp();
1221
1222                 if (a) {
1223                         a->gain_control()->set_value (dB_to_coefficient (val), PBD::Controllable::NoGroup);
1224                 }
1225         }
1226         return 0;
1227 }
1228
1229 int
1230 OSC::route_plugin_parameter (int rid, int piid, int par, float val)
1231 {
1232         if (!session)
1233                 return -1;
1234
1235         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
1236
1237         if (!r) {
1238                 PBD::error << "OSC: Invalid Remote Control ID '" << rid << "'" << endmsg;
1239                 return -1;
1240         }
1241
1242         boost::shared_ptr<Processor> redi=r->nth_plugin (piid);
1243
1244         if (!redi) {
1245                 PBD::error << "OSC: cannot find plugin # " << piid << " for RID '" << rid << "'" << endmsg;
1246                 return -1;
1247         }
1248
1249         boost::shared_ptr<PluginInsert> pi;
1250
1251         if (!(pi = boost::dynamic_pointer_cast<PluginInsert>(redi))) {
1252                 PBD::error << "OSC: given processor # " << piid << " on RID '" << rid << "' is not a Plugin." << endmsg;
1253                 return -1;
1254         }
1255
1256         boost::shared_ptr<ARDOUR::Plugin> pip = pi->plugin();
1257         bool ok=false;
1258
1259         uint32_t controlid = pip->nth_parameter (par,ok);
1260
1261         if (!ok) {
1262                 PBD::error << "OSC: Cannot find parameter # " << par <<  " for plugin # " << piid << " on RID '" << rid << "'" << endmsg;
1263                 return -1;
1264         }
1265
1266         if (!pip->parameter_is_input(controlid)) {
1267                 PBD::error << "OSC: Parameter # " << par <<  " for plugin # " << piid << " on RID '" << rid << "' is not a control input" << endmsg;
1268                 return -1;
1269         }
1270
1271         ParameterDescriptor pd;
1272         pi->plugin()->get_parameter_descriptor (controlid,pd);
1273
1274         if (val >= pd.lower && val < pd.upper) {
1275
1276                 boost::shared_ptr<AutomationControl> c = pi->automation_control (Evoral::Parameter(PluginAutomation, 0, controlid));
1277                 // cerr << "parameter:" << redi->describe_parameter(controlid) << " val:" << val << "\n";
1278                 c->set_value (val, PBD::Controllable::NoGroup);
1279         } else {
1280                 PBD::warning << "OSC: Parameter # " << par <<  " for plugin # " << piid << " on RID '" << rid << "' is out of range" << endmsg;
1281                 PBD::info << "OSC: Valid range min=" << pd.lower << " max=" << pd.upper << endmsg;
1282         }
1283
1284         return 0;
1285 }
1286
1287 int
1288 OSC::route_plugin_parameter_print (int rid, int piid, int par)
1289 {
1290         if (!session) {
1291                 return -1;
1292         }
1293
1294         boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
1295
1296         if (!r) {
1297                 return -1;
1298         }
1299
1300         boost::shared_ptr<Processor> redi=r->nth_processor (piid);
1301
1302         if (!redi) {
1303                 return -1;
1304         }
1305
1306         boost::shared_ptr<PluginInsert> pi;
1307
1308         if (!(pi = boost::dynamic_pointer_cast<PluginInsert>(redi))) {
1309                 return -1;
1310         }
1311
1312         boost::shared_ptr<ARDOUR::Plugin> pip = pi->plugin();
1313         bool ok=false;
1314
1315         uint32_t controlid = pip->nth_parameter (par,ok);
1316
1317         if (!ok) {
1318                 return -1;
1319         }
1320
1321         ParameterDescriptor pd;
1322
1323         if (pi->plugin()->get_parameter_descriptor (controlid, pd) == 0) {
1324                 boost::shared_ptr<AutomationControl> c = pi->automation_control (Evoral::Parameter(PluginAutomation, 0, controlid));
1325
1326                 cerr << "parameter:     " << redi->describe_parameter(controlid)  << "\n";
1327                 cerr << "current value: " << c->get_value ();
1328                 cerr << "lower value:   " << pd.lower << "\n";
1329                 cerr << "upper value:   " << pd.upper << "\n";
1330         }
1331
1332         return 0;
1333 }
1334
1335 XMLNode&
1336 OSC::get_state ()
1337 {
1338         XMLNode& node (ControlProtocol::get_state());
1339         node.add_property("debugmode", (int) _debugmode); // TODO: enum2str
1340         return node;
1341 }
1342
1343 int
1344 OSC::set_state (const XMLNode& node, int version)
1345 {
1346         if (ControlProtocol::set_state (node, version)) {
1347                 return -1;
1348         }
1349         XMLProperty const * p = node.property (X_("debugmode"));
1350         if (p) {
1351                 _debugmode = OSCDebugMode (PBD::atoi(p->value ()));
1352         }
1353
1354         return 0;
1355 }