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