libs/surfaces/osc/osc_route_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 "pbd/control_math.h"
  23
  24 #include "ardour/session.h"
  25 #include "ardour/track.h"
  26 #include "ardour/monitor_control.h"
  27 #include "ardour/dB.h"
  28 #include "ardour/meter.h"
  29
  30 #include "osc.h"
  31 #include "osc_route_observer.h"
  32
  33 #include "pbd/i18n.h"
  34
  35 using namespace std;
  36 using namespace PBD;
  37 using namespace ARDOUR;
  38 using namespace ArdourSurface;
  39
  40 OSCRouteObserver::OSCRouteObserver (boost::shared_ptr<Stripable> s, lo_address a, uint32_t ss, ArdourSurface::OSC::OSCSurface* su)
  41         : _strip (s)
  42         ,ssid (ss)
  43         ,sur (su)
  44         ,_last_gain (0.0)
  45 {
  46         addr = lo_address_new (lo_address_get_hostname(a) , lo_address_get_port(a));
  47         gainmode = sur->gainmode;
  48         feedback = sur->feedback;
  49         as = ARDOUR::Off;
  50
  51         if (feedback[0]) { // buttons are separate feedback
  52                 _strip->PropertyChanged.connect (strip_connections, MISSING_INVALIDATOR, boost::bind (&OSCRouteObserver::name_changed, this, boost::lambda::_1), OSC::instance());
  53                 name_changed (ARDOUR::Properties::name);
  54
  55                 _strip->mute_control()->Changed.connect (strip_connections, MISSING_INVALIDATOR, boost::bind (&OSCRouteObserver::send_change_message, this, X_("/strip/mute"), _strip->mute_control()), OSC::instance());
  56                 send_change_message ("/strip/mute", _strip->mute_control());
  57
  58                 _strip->solo_control()->Changed.connect (strip_connections, MISSING_INVALIDATOR, boost::bind (&OSCRouteObserver::send_change_message, this, X_("/strip/solo"), _strip->solo_control()), OSC::instance());
  59                 send_change_message ("/strip/solo", _strip->solo_control());
  60
  61                 boost::shared_ptr<Track> track = boost::dynamic_pointer_cast<Track> (_strip);
  62                 if (track) {
  63                         track->monitoring_control()->Changed.connect (strip_connections, MISSING_INVALIDATOR, boost::bind (&OSCRouteObserver::send_monitor_status, this, track->monitoring_control()), OSC::instance());
  64                         send_monitor_status (track->monitoring_control());
  65                 }
  66
  67                 boost::shared_ptr<AutomationControl> rec_controllable = _strip->rec_enable_control ();
  68                 if (rec_controllable) {
  69                         rec_controllable->Changed.connect (strip_connections, MISSING_INVALIDATOR, boost::bind (&OSCRouteObserver::send_change_message, this, X_("/strip/recenable"), _strip->rec_enable_control()), OSC::instance());
  70                         send_change_message ("/strip/recenable", _strip->rec_enable_control());
  71                 }
  72                 boost::shared_ptr<AutomationControl> recsafe_controllable = _strip->rec_safe_control ();
  73                 if (rec_controllable) {
  74                         recsafe_controllable->Changed.connect (strip_connections, MISSING_INVALIDATOR, boost::bind (&OSCRouteObserver::send_change_message, this, X_("/strip/record_safe"), _strip->rec_safe_control()), OSC::instance());
  75                         send_change_message ("/strip/record_safe", _strip->rec_safe_control());
  76                 }
  77                 _strip->presentation_info().PropertyChanged.connect (strip_connections, MISSING_INVALIDATOR, boost::bind (&OSCRouteObserver::send_select_status, this, _1), OSC::instance());
  78                 send_select_status (ARDOUR::Properties::selected);
  79         }
  80
  81         if (feedback[1]) { // level controls
  82                 boost::shared_ptr<GainControl> gain_cont = _strip->gain_control();
  83                 if (gainmode) {
  84                         gain_cont->alist()->automation_state_changed.connect (strip_connections, MISSING_INVALIDATOR, boost::bind (&OSCRouteObserver::gain_automation, this, X_("/strip/fader")), OSC::instance());
  85                         gain_cont->Changed.connect (strip_connections, MISSING_INVALIDATOR, boost::bind (&OSCRouteObserver::send_gain_message, this, X_("/strip/fader"), gain_cont), OSC::instance());
  86                         gain_automation ("/strip/fader");
  87                 } else {
  88                         gain_cont->alist()->automation_state_changed.connect (strip_connections, MISSING_INVALIDATOR, boost::bind (&OSCRouteObserver::gain_automation, this, X_("/strip/gain")), OSC::instance());
  89                         gain_cont->Changed.connect (strip_connections, MISSING_INVALIDATOR, boost::bind (&OSCRouteObserver::send_gain_message, this, X_("/strip/gain"), gain_cont), OSC::instance());
  90                         gain_automation ("/strip/gain");
  91                 }
  92
  93                 boost::shared_ptr<Controllable> trim_controllable = boost::dynamic_pointer_cast<Controllable>(_strip->trim_control());
  94                 if (trim_controllable) {
  95                         trim_controllable->Changed.connect (strip_connections, MISSING_INVALIDATOR, boost::bind (&OSCRouteObserver::send_trim_message, this, X_("/strip/trimdB"), _strip->trim_control()), OSC::instance());
  96                         send_trim_message ("/strip/trimdB", _strip->trim_control());
  97                 }
  98
  99                 boost::shared_ptr<Controllable> pan_controllable = boost::dynamic_pointer_cast<Controllable>(_strip->pan_azimuth_control());
 100                 if (pan_controllable) {
 101                         pan_controllable->Changed.connect (strip_connections, MISSING_INVALIDATOR, boost::bind (&OSCRouteObserver::send_change_message, this, X_("/strip/pan_stereo_position"), _strip->pan_azimuth_control()), OSC::instance());
 102                         send_change_message ("/strip/pan_stereo_position", _strip->pan_azimuth_control());
 103                 }
 104         }
 105         tick();
 106 }
 107
 108 OSCRouteObserver::~OSCRouteObserver ()
 109 {
 110
 111         strip_connections.drop_connections ();
 112         if (sur->no_clear) {
 113                 // some surfaces destroy their own strips and don't need the extra noise
 114                 lo_address_free (addr);
 115                 return;
 116         }
 117
 118         // all strip buttons should be off and faders 0 and etc.
 119         clear_strip ("/strip/expand", 0);
 120         if (feedback[0]) { // buttons are separate feedback
 121                 text_with_id ("/strip/name", ssid, " ");
 122                 clear_strip ("/strip/mute", 0);
 123                 clear_strip ("/strip/solo", 0);
 124                 clear_strip ("/strip/recenable", 0);
 125                 clear_strip ("/strip/record_safe", 0);
 126                 clear_strip ("/strip/monitor_input", 0);
 127                 clear_strip ("/strip/monitor_disk", 0);
 128                 clear_strip ("/strip/gui_select", 0);
 129                 clear_strip ("/strip/select", 0);
 130         }
 131         if (feedback[1]) { // level controls
 132                 if (gainmode) {
 133                         clear_strip ("/strip/fader", 0);
 134                 } else {
 135                         clear_strip ("/strip/gain", -193);
 136                 }
 137                 clear_strip ("/strip/trimdB", 0);
 138                 clear_strip ("/strip/pan_stereo_position", 0.5);
 139         }
 140         if (feedback[9]) {
 141                 clear_strip ("/strip/signal", 0);
 142         }
 143         if (feedback[7]) {
 144                 if (gainmode) {
 145                         clear_strip ("/strip/meter", 0);
 146                 } else {
 147                         clear_strip ("/strip/meter", -193);
 148                 }
 149         }else if (feedback[8]) {
 150                 clear_strip ("/strip/meter", 0);
 151         }
 152
 153         lo_address_free (addr);
 154 }
 155
 156 void
 157 OSCRouteObserver::tick ()
 158 {
 159         if (feedback[7] || feedback[8] || feedback[9]) { // meters enabled
 160                 // the only meter here is master
 161                 float now_meter;
 162                 if (_strip->peak_meter()) {
 163                         now_meter = _strip->peak_meter()->meter_level(0, MeterMCP);
 164                 } else {
 165                         now_meter = -193;
 166                 }
 167                 if (now_meter < -120) now_meter = -193;
 168                 if (_last_meter != now_meter) {
 169                         if (feedback[7] || feedback[8]) {
 170                                 string path = "/strip/meter";
 171                                 lo_message msg = lo_message_new ();
 172                                 if (feedback[2]) {
 173                                         path = set_path (path);
 174                                 } else {
 175                                         lo_message_add_int32 (msg, ssid);
 176                                 }
 177                                 if (gainmode && feedback[7]) {
 178                                         lo_message_add_float (msg, ((now_meter + 94) / 100));
 179                                         lo_send_message (addr, path.c_str(), msg);
 180                                 } else if ((!gainmode) && feedback[7]) {
 181                                         lo_message_add_float (msg, now_meter);
 182                                         lo_send_message (addr, path.c_str(), msg);
 183                                 } else if (feedback[8]) {
 184                                         uint32_t ledlvl = (uint32_t)(((now_meter + 54) / 3.75)-1);
 185                                         uint16_t ledbits = ~(0xfff<<ledlvl);
 186                                         lo_message_add_int32 (msg, ledbits);
 187                                         lo_send_message (addr, path.c_str(), msg);
 188                                 }
 189                                 lo_message_free (msg);
 190                         }
 191                         if (feedback[9]) {
 192                                 string path = "/strip/signal";
 193                                 lo_message msg = lo_message_new ();
 194                                 if (feedback[2]) {
 195                                         path = set_path (path);
 196                                 } else {
 197                                         lo_message_add_int32 (msg, ssid);
 198                                 }
 199                                 float signal;
 200                                 if (now_meter < -40) {
 201                                         signal = 0;
 202                                 } else {
 203                                         signal = 1;
 204                                 }
 205                                 lo_message_add_float (msg, signal);
 206                                 lo_send_message (addr, path.c_str(), msg);
 207                                 lo_message_free (msg);
 208                         }
 209                 }
 210                 _last_meter = now_meter;
 211
 212         }
 213         if (feedback[1]) {
 214                 if (gain_timeout) {
 215                         if (gain_timeout == 1) {
 216                                 text_with_id ("/strip/name", ssid, _strip->name());
 217                         }
 218                         gain_timeout--;
 219                 }
 220                 if (trim_timeout) {
 221                         if (trim_timeout == 1) {
 222                                 text_with_id ("/strip/name", ssid, _strip->name());
 223                         }
 224                         trim_timeout--;
 225                 }
 226                 if (as == ARDOUR::Play ||  as == ARDOUR::Touch) {
 227                         if(_last_gain != _strip->gain_control()->get_value()) {
 228                                 _last_gain = _strip->gain_control()->get_value();
 229                                 if (gainmode) {
 230                                         send_gain_message ("/strip/fader", _strip->gain_control());
 231                                 } else {
 232                                         send_gain_message ("/strip/gain", _strip->gain_control());
 233                                 }
 234                         }
 235                 }
 236         }
 237
 238 }
 239
 240 void
 241 OSCRouteObserver::name_changed (const PBD::PropertyChange& what_changed)
 242 {
 243         if (!what_changed.contains (ARDOUR::Properties::name)) {
 244             return;
 245         }
 246
 247         if (!_strip) {
 248                 return;
 249         }
 250         text_with_id ("/strip/name", ssid, _strip->name());
 251 }
 252
 253 void
 254 OSCRouteObserver::send_change_message (string path, boost::shared_ptr<Controllable> controllable)
 255 {
 256         lo_message msg = lo_message_new ();
 257
 258         if (feedback[2]) {
 259                 path = set_path (path);
 260         } else {
 261                 lo_message_add_int32 (msg, ssid);
 262         }
 263         float val = controllable->get_value();
 264         lo_message_add_float (msg, (float) controllable->internal_to_interface (val));
 265
 266         lo_send_message (addr, path.c_str(), msg);
 267         lo_message_free (msg);
 268 }
 269
 270 void
 271 OSCRouteObserver::text_with_id (string path, uint32_t id, string name)
 272 {
 273         lo_message msg = lo_message_new ();
 274         if (feedback[2]) {
 275                 path = set_path (path);
 276         } else {
 277                 lo_message_add_int32 (msg, id);
 278         }
 279
 280         lo_message_add_string (msg, name.c_str());
 281
 282         lo_send_message (addr, path.c_str(), msg);
 283         lo_message_free (msg);
 284 }
 285
 286 void
 287 OSCRouteObserver::send_monitor_status (boost::shared_ptr<Controllable> controllable)
 288 {
 289         int disk, input;
 290         float val = controllable->get_value();
 291         switch ((int) val) {
 292                 case 1:
 293                         disk = 0;
 294                         input = 1;
 295                         break;
 296                 case 2:
 297                         disk = 1;
 298                         input = 0;
 299                         break;
 300                 default:
 301                         disk = 0;
 302                         input = 0;
 303         }
 304
 305         lo_message msg = lo_message_new ();
 306         string path = "/strip/monitor_input";
 307         if (feedback[2]) {
 308                 path = set_path (path);
 309         } else {
 310                 lo_message_add_int32 (msg, ssid);
 311         }
 312         lo_message_add_int32 (msg, (float) input);
 313         lo_send_message (addr, path.c_str(), msg);
 314         lo_message_free (msg);
 315
 316         msg = lo_message_new ();
 317         path = "/strip/monitor_disk";
 318         if (feedback[2]) {
 319                 path = set_path (path);
 320         } else {
 321                 lo_message_add_int32 (msg, ssid);
 322         }
 323         lo_message_add_int32 (msg, (float) disk);
 324         lo_send_message (addr, path.c_str(), msg);
 325         lo_message_free (msg);
 326
 327 }
 328
 329 void
 330 OSCRouteObserver::send_trim_message (string path, boost::shared_ptr<Controllable> controllable)
 331 {
 332         if (gainmode) {
 333                 text_with_id ("/strip/name", ssid, string_compose ("%1%2%3", std::fixed, std::setprecision(2), accurate_coefficient_to_dB (controllable->get_value())));
 334                 trim_timeout = 8;
 335         }
 336
 337         lo_message msg = lo_message_new ();
 338
 339         if (feedback[2]) {
 340                 path = set_path (path);
 341         } else {
 342                 lo_message_add_int32 (msg, ssid);
 343         }
 344
 345         lo_message_add_float (msg, (float) accurate_coefficient_to_dB (controllable->get_value()));
 346
 347         lo_send_message (addr, path.c_str(), msg);
 348         lo_message_free (msg);
 349 }
 350
 351 void
 352 OSCRouteObserver::send_gain_message (string path, boost::shared_ptr<Controllable> controllable)
 353 {
 354         lo_message msg = lo_message_new ();
 355
 356         if (feedback[2]) {
 357                 path = set_path (path);
 358         } else {
 359                 lo_message_add_int32 (msg, ssid);
 360         }
 361
 362         if (gainmode) {
 363                 lo_message_add_float (msg, gain_to_position (controllable->get_value())); // XXX use internal_to_interface
 364                 text_with_id ("/strip/name", ssid, string_compose ("%1%2%3", std::fixed, std::setprecision(2), accurate_coefficient_to_dB (controllable->get_value())));
 365                 gain_timeout = 8;
 366         } else {
 367                 if (controllable->get_value() < 1e-15) {
 368                         lo_message_add_float (msg, -200);
 369                 } else {
 370                         lo_message_add_float (msg, accurate_coefficient_to_dB (controllable->get_value()));
 371                 }
 372         }
 373
 374         lo_send_message (addr, path.c_str(), msg);
 375         lo_message_free (msg);
 376 }
 377
 378 void
 379 OSCRouteObserver::gain_automation (string path)
 380 {
 381         lo_message msg = lo_message_new ();
 382         string apath = string_compose ("%1/automation", path);
 383         string npath = string_compose ("%1/automation_name", path);
 384
 385         if (feedback[2]) {
 386                 apath = set_path (apath);
 387         } else {
 388                 lo_message_add_int32 (msg, ssid);
 389         }
 390
 391         boost::shared_ptr<GainControl> control = _strip->gain_control();
 392         as = control->alist()->automation_state();
 393         string auto_name;
 394         float output;
 395         switch (as) {
 396                 case ARDOUR::Off:
 397                         output = 0;
 398                         auto_name = "Manual";
 399                         break;
 400                 case ARDOUR::Play:
 401                         output = 1;
 402                         auto_name = "Play";
 403                         break;
 404                 case ARDOUR::Write:
 405                         output = 2;
 406                         auto_name = "Write";
 407                         break;
 408                 case ARDOUR::Touch:
 409                         output = 3;
 410                         auto_name = "Touch";
 411                         break;
 412                 default:
 413                         break;
 414         }
 415
 416         send_gain_message (path, control);
 417         lo_message_add_float (msg, output);
 418         lo_send_message (addr, apath.c_str(), msg);
 419         lo_message_free (msg);
 420         text_with_id (npath, ssid, auto_name);
 421 }
 422
 423 string
 424 OSCRouteObserver::set_path (string path)
 425 {
 426         if (feedback[2]) {
 427                 path = string_compose ("%1/%2", path, ssid);
 428         }
 429         return path;
 430 }
 431
 432 void
 433 OSCRouteObserver::clear_strip (string path, float val)
 434 {
 435         lo_message msg = lo_message_new ();
 436         if (feedback[2]) {
 437                 path = set_path (path);
 438         } else {
 439                 lo_message_add_int32 (msg, ssid);
 440         }
 441         lo_message_add_float (msg, val);
 442
 443         lo_send_message (addr, path.c_str(), msg);
 444         lo_message_free (msg);
 445
 446 }
 447
 448 void
 449 OSCRouteObserver::send_select_status (const PropertyChange& what)
 450 {
 451         if (what == PropertyChange(ARDOUR::Properties::selected)) {
 452                 if (_strip) {
 453                         string path = "/strip/select";
 454
 455                         lo_message msg = lo_message_new ();
 456                         if (feedback[2]) {
 457                                 path = set_path (path);
 458                         } else {
 459                                 lo_message_add_int32 (msg, ssid);
 460                         }
 461                         lo_message_add_float (msg, _strip->is_selected());
 462                         lo_send_message (addr, path.c_str(), msg);
 463                         lo_message_free (msg);
 464                 }
 465         }
 466 }