libs/surfaces/osc/osc_select_observer.cc

   1 /*
   2     Copyright (C) 2009 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., 675 Mass Ave, Cambridge, MA 02139, USA.
  17
  18 */
  19
  20 #include "boost/lambda/lambda.hpp"
  21
  22 #include "ardour/session.h"
  23 #include "ardour/track.h"
  24 #include "ardour/monitor_control.h"
  25 #include "ardour/dB.h"
  26 #include "ardour/meter.h"
  27
  28 #include "osc.h"
  29 #include "osc_select_observer.h"
  30
  31 #include "i18n.h"
  32
  33 using namespace std;
  34 using namespace PBD;
  35 using namespace ARDOUR;
  36 using namespace ArdourSurface;
  37
  38 OSCSelectObserver::OSCSelectObserver (boost::shared_ptr<Stripable> s, lo_address a, uint32_t ss, uint32_t gm, std::bitset<32> fb)
  39         : _strip (s)
  40         ,ssid (ss)
  41         ,gainmode (gm)
  42         ,feedback (fb)
  43         ,nsends (0)
  44 {
  45         addr = lo_address_new (lo_address_get_hostname(a) , lo_address_get_port(a));
  46
  47         if (feedback[0]) { // buttons are separate feedback
  48                 _strip->PropertyChanged.connect (strip_connections, MISSING_INVALIDATOR, boost::bind (&OSCSelectObserver::name_changed, this, boost::lambda::_1), OSC::instance());
  49                 name_changed (ARDOUR::Properties::name);
  50
  51                 _strip->mute_control()->Changed.connect (strip_connections, MISSING_INVALIDATOR, boost::bind (&OSCSelectObserver::send_change_message, this, X_("/select/mute"), _strip->mute_control()), OSC::instance());
  52                 send_change_message ("/select/mute", _strip->mute_control());
  53
  54                 _strip->solo_control()->Changed.connect (strip_connections, MISSING_INVALIDATOR, boost::bind (&OSCSelectObserver::send_change_message, this, X_("/select/solo"), _strip->solo_control()), OSC::instance());
  55                 send_change_message ("/select/solo", _strip->solo_control());
  56
  57                 boost::shared_ptr<Track> track = boost::dynamic_pointer_cast<Track> (_strip);
  58                 if (track) {
  59                 track->monitoring_control()->Changed.connect (strip_connections, MISSING_INVALIDATOR, boost::bind (&OSCSelectObserver::send_monitor_status, this, track->monitoring_control()), OSC::instance());
  60                 send_monitor_status (track->monitoring_control());
  61                 }
  62
  63                 boost::shared_ptr<AutomationControl> rec_controllable = _strip->rec_enable_control ();
  64                 if (rec_controllable) {
  65                         rec_controllable->Changed.connect (strip_connections, MISSING_INVALIDATOR, boost::bind (&OSCSelectObserver::send_change_message, this, X_("/select/recenable"), _strip->rec_enable_control()), OSC::instance());
  66                         send_change_message ("/select/recenable", _strip->rec_enable_control());
  67                 }
  68                 boost::shared_ptr<AutomationControl> recsafe_controllable = _strip->rec_safe_control ();
  69                 if (rec_controllable) {
  70                         recsafe_controllable->Changed.connect (strip_connections, MISSING_INVALIDATOR, boost::bind (&OSCSelectObserver::send_change_message, this, X_("/select/record_safe"), _strip->rec_safe_control()), OSC::instance());
  71                         send_change_message ("/select/record_safe", _strip->rec_safe_control());
  72                 }
  73         }
  74
  75         if (feedback[1]) { // level controls
  76                 if (gainmode) {
  77                         _strip->gain_control()->Changed.connect (strip_connections, MISSING_INVALIDATOR, boost::bind (&OSCSelectObserver::send_gain_message, this, X_("/select/fader"), _strip->gain_control()), OSC::instance());
  78                         send_gain_message ("/select/fader", _strip->gain_control());
  79                 } else {
  80                         _strip->gain_control()->Changed.connect (strip_connections, MISSING_INVALIDATOR, boost::bind (&OSCSelectObserver::send_gain_message, this, X_("/select/gain"), _strip->gain_control()), OSC::instance());
  81                         send_gain_message ("/select/gain", _strip->gain_control());
  82                 }
  83
  84                 boost::shared_ptr<Controllable> trim_controllable = boost::dynamic_pointer_cast<Controllable>(_strip->trim_control());
  85                 if (trim_controllable) {
  86                         trim_controllable->Changed.connect (strip_connections, MISSING_INVALIDATOR, boost::bind (&OSCSelectObserver::send_trim_message, this, X_("/select/trimdB"), _strip->trim_control()), OSC::instance());
  87                         send_trim_message ("/select/trimdB", _strip->trim_control());
  88                 }
  89
  90                 boost::shared_ptr<Controllable> pan_controllable = boost::dynamic_pointer_cast<Controllable>(_strip->pan_azimuth_control());
  91                 if (pan_controllable) {
  92                         pan_controllable->Changed.connect (strip_connections, MISSING_INVALIDATOR, boost::bind (&OSCSelectObserver::send_change_message, this, X_("/select/pan_stereo_position"), _strip->pan_azimuth_control()), OSC::instance());
  93                         send_change_message ("/select/pan_stereo_position", _strip->pan_azimuth_control());
  94                 }
  95
  96                 boost::shared_ptr<Controllable> width_controllable = boost::dynamic_pointer_cast<Controllable>(_strip->pan_width_control());
  97                 if (width_controllable) {
  98                         width_controllable->Changed.connect (strip_connections, MISSING_INVALIDATOR, boost::bind (&OSCSelectObserver::send_change_message, this, X_("/select/pan_stereo_width"), _strip->pan_width_control()), OSC::instance());
  99                         send_change_message ("/select/pan_stereo_width", _strip->pan_width_control());
 100                 }
 101
 102                 // detecting processor changes requires cast to route
 103                 boost::shared_ptr<Route> r = boost::dynamic_pointer_cast<Route>(_strip);
 104                 r->processors_changed.connect  (strip_connections, MISSING_INVALIDATOR, boost::bind (&OSCSelectObserver::send_restart, this, -1), OSC::instance());
 105                 send_init();
 106         }
 107         tick();
 108 }
 109
 110 OSCSelectObserver::~OSCSelectObserver ()
 111 {
 112
 113         strip_connections.drop_connections ();
 114         // all strip buttons should be off and faders 0 and etc.
 115         if (feedback[0]) { // buttons are separate feedback
 116                 lo_message msg = lo_message_new ();
 117                 // name is a string do it first
 118                 string path = "/select/name";
 119                 lo_message_add_string (msg, " ");
 120                 lo_send_message (addr, path.c_str(), msg);
 121                 lo_message_free (msg);
 122                 clear_strip ("/select/mute", 0);
 123                 clear_strip ("/select/solo", 0);
 124                 clear_strip ("/select/recenable", 0);
 125                 clear_strip ("/select/record_safe", 0);
 126                 clear_strip ("/select/monitor_input", 0);
 127                 clear_strip ("/select/monitor_disk", 0);
 128         }
 129         if (feedback[1]) { // level controls
 130                 if (gainmode) {
 131                         clear_strip ("/select/fader", 0);
 132                 } else {
 133                         clear_strip ("/select/gain", -193);
 134                 }
 135                 clear_strip ("/select/trimdB", 0);
 136                 clear_strip ("/select/pan_stereo_position", 0.5);
 137                 clear_strip ("/select/pan_stereo_width", 1);
 138         }
 139         if (feedback[9]) {
 140                 clear_strip ("/select/signal", 0);
 141         }
 142         if (feedback[7]) {
 143                 if (gainmode) {
 144                         clear_strip ("/select/meter", 0);
 145                 } else {
 146                         clear_strip ("/select/meter", -193);
 147                 }
 148         }else if (feedback[8]) {
 149                 clear_strip ("/select/meter", 0);
 150         }
 151         send_end();
 152
 153         lo_address_free (addr);
 154 }
 155
 156 void
 157 OSCSelectObserver::send_init()
 158 {
 159         // we don't know how many there are, so find out.
 160         bool sends;
 161         do {
 162                 sends = false;
 163                 if (_strip->send_level_controllable (nsends)) {
 164                         _strip->send_level_controllable(nsends)->Changed.connect (strip_connections, MISSING_INVALIDATOR, boost::bind (&OSCSelectObserver::send_gain, this, X_("/select/send_gain"), nsends, _strip->send_level_controllable(nsends)), OSC::instance());
 165                         send_gain ("/select/send_gain", nsends, _strip->send_level_controllable(nsends));
 166                         sends = true;
 167                 }
 168
 169                 if (_strip->send_enable_controllable (nsends)) {
 170                         _strip->send_enable_controllable(nsends)->Changed.connect (strip_connections, MISSING_INVALIDATOR, boost::bind (&OSCSelectObserver::send_enable, this, X_("/select/send_enable"), nsends, _strip->send_enable_controllable(nsends)), OSC::instance());
 171                         send_enable ("/select/send_enable", nsends, _strip->send_enable_controllable(nsends));
 172                         sends = true;
 173                 } else if (sends) {
 174                         // not used by Ardour, just mixbus so in Ardour always true
 175                         lo_message msg = lo_message_new ();
 176                         path = "/select/send_enable";
 177                         if (feedback[2]) {
 178                                 path = set_path (path, nsends + 1);
 179                         } else {
 180                                 lo_message_add_int32 (msg, nsends + 1);
 181                         }
 182                         lo_message_add_int32 (msg, 1);
 183                         lo_send_message (addr, path.c_str(), msg);
 184                         lo_message_free (msg);
 185                         }
 186
 187                 if (sends) { // if the gain control is there, this is too
 188                         send_rename ("/select/send_name", nsends, _strip->send_name(nsends));
 189                 }
 190                 // Send numbers are 0 based, OSC is 1 based so this gets incremented at the end
 191                 if (sends) {
 192                         nsends++;
 193                 }
 194         } while (sends);
 195 }
 196
 197 void
 198 OSCSelectObserver::send_end ()
 199 {
 200         send_connections.drop_connections ();
 201         for (uint32_t i = 1; i <= nsends; i++) {
 202                 lo_message msg = lo_message_new ();
 203                 string path = "/select/send_gain";
 204                 if (feedback[2]) {
 205                         path = set_path (path, i);
 206                 } else {
 207                         lo_message_add_int32 (msg, i);
 208                 }
 209
 210                 if (gainmode) {
 211                         lo_message_add_int32 (msg, 0);
 212                 } else {
 213                         lo_message_add_float (msg, -193);
 214                 }
 215                 lo_send_message (addr, path.c_str(), msg);
 216                 lo_message_free (msg);
 217                 // next enable
 218                 msg = lo_message_new ();
 219                 path = "/select/send_enable";
 220                 if (feedback[2]) {
 221                         path = set_path (path, i);
 222                 } else {
 223                         lo_message_add_int32 (msg, i);
 224                 }
 225                 lo_message_add_int32 (msg, 0);
 226                 lo_send_message (addr, path.c_str(), msg);
 227                 lo_message_free (msg);
 228                 // next name
 229                 msg = lo_message_new ();
 230                 path = "/select/send_name";
 231                 if (feedback[2]) {
 232                         path = set_path (path, i);
 233                 } else {
 234                         lo_message_add_int32 (msg, i);
 235                 }
 236                 lo_message_add_string (msg, " ");
 237                 lo_send_message (addr, path.c_str(), msg);
 238                 lo_message_free (msg);
 239         }
 240         nsends = 0;
 241 }
 242
 243 void
 244 OSCSelectObserver::send_restart(int x)
 245 {
 246         send_end();
 247         send_init();
 248 }
 249
 250 void
 251 OSCSelectObserver::tick ()
 252 {
 253         if (feedback[7] || feedback[8] || feedback[9]) { // meters enabled
 254
 255                 float now_meter = _strip->peak_meter()->meter_level(0, MeterMCP);
 256                 if (now_meter < -193) now_meter = -193;
 257                 if (_last_meter != now_meter) {
 258                         if (feedback[7] || feedback[8]) {
 259                                 string path = "/select/meter";
 260                                 lo_message msg = lo_message_new ();
 261                                 if (gainmode && feedback[7]) {
 262                                         uint32_t lev1023 = (uint32_t)((now_meter + 54) * 17.05);
 263                                         lo_message_add_int32 (msg, lev1023);
 264                                         lo_send_message (addr, path.c_str(), msg);
 265                                 } else if ((!gainmode) && feedback[7]) {
 266                                         lo_message_add_float (msg, now_meter);
 267                                         lo_send_message (addr, path.c_str(), msg);
 268                                 } else if (feedback[8]) {
 269                                         uint32_t ledlvl = (uint32_t)(((now_meter + 54) / 3.75)-1);
 270                                         uint16_t ledbits = ~(0xfff<<ledlvl);
 271                                         lo_message_add_int32 (msg, ledbits);
 272                                         lo_send_message (addr, path.c_str(), msg);
 273                                 }
 274                                 lo_message_free (msg);
 275                         }
 276                         if (feedback[9]) {
 277                                 string path = "/select/signal";
 278                                 lo_message msg = lo_message_new ();
 279                                 float signal;
 280                                 if (now_meter < -40) {
 281                                         signal = 0;
 282                                 } else {
 283                                         signal = 1;
 284                                 }
 285                                 lo_message_add_float (msg, signal);
 286                                 lo_send_message (addr, path.c_str(), msg);
 287                                 lo_message_free (msg);
 288                         }
 289                 }
 290                 _last_meter = now_meter;
 291
 292         }
 293
 294 }
 295
 296 void
 297 OSCSelectObserver::name_changed (const PBD::PropertyChange& what_changed)
 298 {
 299         if (!what_changed.contains (ARDOUR::Properties::name)) {
 300             return;
 301         }
 302
 303         if (!_strip) {
 304                 return;
 305         }
 306
 307         lo_message msg = lo_message_new ();
 308
 309         // ssid is the strip on the surface this observer refers to
 310         // not part of the internal ordering.
 311         string path = "/select/name";
 312         /*if (feedback[2]) {
 313                 path = set_path (path);
 314         } else {
 315                 lo_message_add_int32 (msg, ssid);
 316         }*/
 317         lo_message_add_string (msg, _strip->name().c_str());
 318
 319         lo_send_message (addr, path.c_str(), msg);
 320         lo_message_free (msg);
 321 }
 322
 323 void
 324 OSCSelectObserver::send_change_message (string path, boost::shared_ptr<Controllable> controllable)
 325 {
 326         lo_message msg = lo_message_new ();
 327
 328         lo_message_add_float (msg, (float) controllable->get_value());
 329
 330         lo_send_message (addr, path.c_str(), msg);
 331         lo_message_free (msg);
 332 }
 333
 334 void
 335 OSCSelectObserver::send_monitor_status (boost::shared_ptr<Controllable> controllable)
 336 {
 337         int disk, input;
 338         float val = controllable->get_value();
 339         switch ((int) val) {
 340                 case 1:
 341                         disk = 0;
 342                         input = 1;
 343                         break;
 344                 case 2:
 345                         disk = 1;
 346                         input = 0;
 347                         break;
 348                 default:
 349                         disk = 0;
 350                         input = 0;
 351         }
 352
 353         lo_message msg = lo_message_new ();
 354         string path = "/select/monitor_input";
 355         lo_message_add_int32 (msg, (float) input);
 356         lo_send_message (addr, path.c_str(), msg);
 357         lo_message_free (msg);
 358
 359         msg = lo_message_new ();
 360         path = "/select/monitor_disk";
 361         lo_message_add_int32 (msg, (float) disk);
 362         lo_send_message (addr, path.c_str(), msg);
 363         lo_message_free (msg);
 364
 365 }
 366
 367 void
 368 OSCSelectObserver::send_trim_message (string path, boost::shared_ptr<Controllable> controllable)
 369 {
 370         lo_message msg = lo_message_new ();
 371
 372         lo_message_add_float (msg, (float) accurate_coefficient_to_dB (controllable->get_value()));
 373
 374         lo_send_message (addr, path.c_str(), msg);
 375         lo_message_free (msg);
 376 }
 377
 378 void
 379 OSCSelectObserver::send_gain_message (string path, boost::shared_ptr<Controllable> controllable)
 380 {
 381         lo_message msg = lo_message_new ();
 382
 383         if (gainmode) {
 384                 if (controllable->get_value() == 1) {
 385                         lo_message_add_int32 (msg, 800);
 386                 } else {
 387                         lo_message_add_int32 (msg, gain_to_slider_position (controllable->get_value()) * 1023);
 388                 }
 389         } else {
 390                 if (controllable->get_value() < 1e-15) {
 391                         lo_message_add_float (msg, -200);
 392                 } else {
 393                         lo_message_add_float (msg, accurate_coefficient_to_dB (controllable->get_value()));
 394                 }
 395         }
 396
 397         lo_send_message (addr, path.c_str(), msg);
 398         lo_message_free (msg);
 399 }
 400
 401 void
 402 OSCSelectObserver::send_gain (std::string path, uint32_t id, boost::shared_ptr<PBD::Controllable> controllable)
 403 {
 404         lo_message msg = lo_message_new ();
 405
 406         if (feedback[2]) {
 407                 path = set_path (path, id + 1);
 408         } else {
 409                 lo_message_add_int32 (msg, id + 1);
 410         }
 411
 412         if (gainmode) {
 413                 if (controllable->get_value() == 1) {
 414                         lo_message_add_int32 (msg, 800);
 415                 } else {
 416                         lo_message_add_int32 (msg, gain_to_slider_position (controllable->get_value()) * 1023);
 417                 }
 418         } else {
 419                 if (controllable->get_value() < 1e-15) {
 420                         lo_message_add_float (msg, -200);
 421                 } else {
 422                         lo_message_add_float (msg, accurate_coefficient_to_dB (controllable->get_value()));
 423                 }
 424         }
 425
 426         lo_send_message (addr, path.c_str(), msg);
 427         lo_message_free (msg);
 428 }
 429
 430 void
 431 OSCSelectObserver::send_enable (string path, uint32_t id, boost::shared_ptr<Controllable> controllable)
 432 {
 433         lo_message msg = lo_message_new ();
 434         if (feedback[2]) {
 435                 path = set_path (path, id + 1);
 436         } else {
 437                 lo_message_add_int32 (msg, id + 1);
 438         }
 439
 440         lo_message_add_float (msg, (float) controllable->get_value());
 441
 442         lo_send_message (addr, path.c_str(), msg);
 443         lo_message_free (msg);
 444 }
 445
 446 void
 447 OSCSelectObserver::send_rename (string path, uint32_t id, string name)
 448 {
 449         lo_message msg = lo_message_new ();
 450         if (feedback[2]) {
 451                 path = set_path (path, id + 1);
 452         } else {
 453                 lo_message_add_int32 (msg, id + 1);
 454         }
 455
 456         lo_message_add_string (msg, name.c_str());
 457
 458         lo_send_message (addr, path.c_str(), msg);
 459         lo_message_free (msg);
 460 }
 461
 462 string
 463 OSCSelectObserver::set_path (string path, uint32_t id)
 464 {
 465         if (feedback[2]) {
 466   ostringstream os;
 467   os << path << "/" << id;
 468   path = os.str();
 469         }
 470         return path;
 471 }
 472
 473 void
 474 OSCSelectObserver::clear_strip (string path, float val)
 475 {
 476         lo_message msg = lo_message_new ();
 477         lo_message_add_float (msg, val);
 478
 479         lo_send_message (addr, path.c_str(), msg);
 480         lo_message_free (msg);
 481
 482 }
 483