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 "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_route_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 OSCRouteObserver::OSCRouteObserver (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 {
  44         addr = lo_address_new (lo_address_get_hostname(a) , lo_address_get_port(a));
  45
  46         if (feedback[0]) { // buttons are separate feedback
  47                 _strip->PropertyChanged.connect (strip_connections, MISSING_INVALIDATOR, boost::bind (&OSCRouteObserver::name_changed, this, boost::lambda::_1), OSC::instance());
  48                 name_changed (ARDOUR::Properties::name);
  49
  50                 _strip->mute_control()->Changed.connect (strip_connections, MISSING_INVALIDATOR, bind (&OSCRouteObserver::send_change_message, this, X_("/strip/mute"), _strip->mute_control()), OSC::instance());
  51                 send_change_message ("/strip/mute", _strip->mute_control());
  52
  53                 _strip->solo_control()->Changed.connect (strip_connections, MISSING_INVALIDATOR, bind (&OSCRouteObserver::send_change_message, this, X_("/strip/solo"), _strip->solo_control()), OSC::instance());
  54                 send_change_message ("/strip/solo", _strip->solo_control());
  55
  56                 boost::shared_ptr<Track> track = boost::dynamic_pointer_cast<Track> (_strip);
  57                 if (track) {
  58                 track->monitoring_control()->Changed.connect (strip_connections, MISSING_INVALIDATOR, bind (&OSCRouteObserver::send_monitor_status, this, track->monitoring_control()), OSC::instance());
  59                 send_monitor_status (track->monitoring_control());
  60                 }
  61
  62                 boost::shared_ptr<AutomationControl> rec_controllable = _strip->rec_enable_control ();
  63                 if (rec_controllable) {
  64                         rec_controllable->Changed.connect (strip_connections, MISSING_INVALIDATOR, bind (&OSCRouteObserver::send_change_message, this, X_("/strip/recenable"), _strip->rec_enable_control()), OSC::instance());
  65                         send_change_message ("/strip/recenable", _strip->rec_enable_control());
  66                 }
  67                 boost::shared_ptr<AutomationControl> recsafe_controllable = _strip->rec_safe_control ();
  68                 if (rec_controllable) {
  69                         recsafe_controllable->Changed.connect (strip_connections, MISSING_INVALIDATOR, bind (&OSCRouteObserver::send_change_message, this, X_("/strip/record_safe"), _strip->rec_safe_control()), OSC::instance());
  70                         send_change_message ("/strip/record_safe", _strip->rec_safe_control());
  71                 }
  72                 send_select_status ();
  73         }
  74
  75         if (feedback[1]) { // level controls
  76                 if (gainmode) {
  77                         _strip->gain_control()->Changed.connect (strip_connections, MISSING_INVALIDATOR, bind (&OSCRouteObserver::send_gain_message, this, X_("/strip/fader"), _strip->gain_control()), OSC::instance());
  78                         send_gain_message ("/strip/fader", _strip->gain_control());
  79                 } else {
  80                         _strip->gain_control()->Changed.connect (strip_connections, MISSING_INVALIDATOR, bind (&OSCRouteObserver::send_gain_message, this, X_("/strip/gain"), _strip->gain_control()), OSC::instance());
  81                         send_gain_message ("/strip/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, bind (&OSCRouteObserver::send_trim_message, this, X_("/strip/trimdB"), _strip->trim_control()), OSC::instance());
  87                         send_trim_message ("/strip/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, bind (&OSCRouteObserver::send_change_message, this, X_("/strip/pan_stereo_position"), _strip->pan_azimuth_control()), OSC::instance());
  93                         send_change_message ("/strip/pan_stereo_position", _strip->pan_azimuth_control());
  94                 }
  95         }
  96         tick();
  97 }
  98
  99 OSCRouteObserver::~OSCRouteObserver ()
 100 {
 101
 102         strip_connections.drop_connections ();
 103         // all strip buttons should be off and faders 0 and etc.
 104         if (feedback[0]) { // buttons are separate feedback
 105                 lo_message msg = lo_message_new ();
 106                 // name is a string do it first
 107                 string path = "/strip/name";
 108                 if (feedback[2]) {
 109                         path = set_path (path);
 110                 } else {
 111                         lo_message_add_int32 (msg, ssid);
 112                 }
 113                 lo_message_add_string (msg, " ");
 114
 115                 lo_send_message (addr, path.c_str(), msg);
 116                 lo_message_free (msg);
 117                 clear_strip ("/strip/mute", 0);
 118                 clear_strip ("/strip/solo", 0);
 119                 clear_strip ("/strip/recenable", 0);
 120                 clear_strip ("/strip/record_safe", 0);
 121                 clear_strip ("/strip/monitor_input", 0);
 122                 clear_strip ("/strip/monitor_disk", 0);
 123                 clear_strip ("/strip/gui_select", 0);
 124         }
 125         if (feedback[1]) { // level controls
 126                 if (gainmode) {
 127                         clear_strip ("/strip/fader", 0);
 128                 } else {
 129                         clear_strip ("/strip/gain", -193);
 130                 }
 131                 clear_strip ("/strip/trimdB", 0);
 132                 clear_strip ("/strip/pan_stereo_position", 0.5);
 133         }
 134         if (feedback[9]) {
 135                 clear_strip ("/strip/signal", 0);
 136         }
 137         if (feedback[7]) {
 138                 if (gainmode) {
 139                         clear_strip ("/strip/meter", 0);
 140                 } else {
 141                         clear_strip ("/strip/meter", -193);
 142                 }
 143         }else if (feedback[8]) {
 144                 clear_strip ("/strip/meter", 0);
 145         }
 146
 147         lo_address_free (addr);
 148 }
 149
 150 void
 151 OSCRouteObserver::tick ()
 152 {
 153         if (feedback[7] || feedback[8] || feedback[9]) { // meters enabled
 154                 // the only meter here is master
 155                 float now_meter = _strip->peak_meter()->meter_level(0, MeterMCP);
 156                 if (now_meter < -193) now_meter = -193;
 157                 if (_last_meter != now_meter) {
 158                         if (feedback[7] || feedback[8]) {
 159                                 string path = "/strip/meter";
 160                                 lo_message msg = lo_message_new ();
 161                                 if (feedback[2]) {
 162                                         path = set_path (path);
 163                                 } else {
 164                                         lo_message_add_int32 (msg, ssid);
 165                                 }
 166                                 if (gainmode && feedback[7]) {
 167                                         uint32_t lev1023 = (uint32_t)((now_meter + 54) * 17.05);
 168                                         lo_message_add_int32 (msg, lev1023);
 169                                         lo_send_message (addr, path.c_str(), msg);
 170                                 } else if ((!gainmode) && feedback[7]) {
 171                                         lo_message_add_float (msg, now_meter);
 172                                         lo_send_message (addr, path.c_str(), msg);
 173                                 } else if (feedback[8]) {
 174                                         uint32_t ledlvl = (uint32_t)(((now_meter + 54) / 3.75)-1);
 175                                         uint16_t ledbits = ~(0xfff<<ledlvl);
 176                                         lo_message_add_int32 (msg, ledbits);
 177                                         lo_send_message (addr, path.c_str(), msg);
 178                                 }
 179                                 lo_message_free (msg);
 180                         }
 181                         if (feedback[9]) {
 182                                 string path = "/strip/signal";
 183                                 lo_message msg = lo_message_new ();
 184                                 if (feedback[2]) {
 185                                         path = set_path (path);
 186                                 } else {
 187                                         lo_message_add_int32 (msg, ssid);
 188                                 }
 189                                 float signal;
 190                                 if (now_meter < -40) {
 191                                         signal = 0;
 192                                 } else {
 193                                         signal = 1;
 194                                 }
 195                                 lo_message_add_float (msg, signal);
 196                                 lo_send_message (addr, path.c_str(), msg);
 197                                 lo_message_free (msg);
 198                         }
 199                 }
 200                 _last_meter = now_meter;
 201
 202         }
 203
 204 }
 205
 206 void
 207 OSCRouteObserver::name_changed (const PBD::PropertyChange& what_changed)
 208 {
 209         if (!what_changed.contains (ARDOUR::Properties::name)) {
 210             return;
 211         }
 212
 213         if (!_strip) {
 214                 return;
 215         }
 216
 217         lo_message msg = lo_message_new ();
 218
 219         // ssid is the strip on the surface this observer refers to
 220         // not part of the internal ordering.
 221         string path = "/strip/name";
 222         if (feedback[2]) {
 223                 path = set_path (path);
 224         } else {
 225                 lo_message_add_int32 (msg, ssid);
 226         }
 227         lo_message_add_string (msg, _strip->name().c_str());
 228
 229         lo_send_message (addr, path.c_str(), msg);
 230         lo_message_free (msg);
 231 }
 232
 233 void
 234 OSCRouteObserver::send_change_message (string path, boost::shared_ptr<Controllable> controllable)
 235 {
 236         lo_message msg = lo_message_new ();
 237
 238         if (feedback[2]) {
 239                 path = set_path (path);
 240         } else {
 241                 lo_message_add_int32 (msg, ssid);
 242         }
 243         lo_message_add_float (msg, (float) controllable->get_value());
 244
 245         lo_send_message (addr, path.c_str(), msg);
 246         lo_message_free (msg);
 247 }
 248
 249 void
 250 OSCRouteObserver::send_monitor_status (boost::shared_ptr<Controllable> controllable)
 251 {
 252         int disk, input;
 253         float val = controllable->get_value();
 254         switch ((int) val) {
 255                 case 1:
 256                         disk = 0;
 257                         input = 1;
 258                         break;
 259                 case 2:
 260                         disk = 1;
 261                         input = 0;
 262                         break;
 263                 default:
 264                         disk = 0;
 265                         input = 0;
 266         }
 267
 268         lo_message msg = lo_message_new ();
 269         string path = "/strip/monitor_input";
 270         if (feedback[2]) {
 271                 path = set_path (path);
 272         } else {
 273                 lo_message_add_int32 (msg, ssid);
 274         }
 275         lo_message_add_int32 (msg, (float) input);
 276         lo_send_message (addr, path.c_str(), msg);
 277         lo_message_free (msg);
 278
 279         msg = lo_message_new ();
 280         path = "/strip/monitor_disk";
 281         if (feedback[2]) {
 282                 path = set_path (path);
 283         } else {
 284                 lo_message_add_int32 (msg, ssid);
 285         }
 286         lo_message_add_int32 (msg, (float) disk);
 287         lo_send_message (addr, path.c_str(), msg);
 288         lo_message_free (msg);
 289
 290 }
 291
 292 void
 293 OSCRouteObserver::send_trim_message (string path, boost::shared_ptr<Controllable> controllable)
 294 {
 295         lo_message msg = lo_message_new ();
 296
 297         if (feedback[2]) {
 298                 path = set_path (path);
 299         } else {
 300                 lo_message_add_int32 (msg, ssid);
 301         }
 302
 303         lo_message_add_float (msg, (float) accurate_coefficient_to_dB (controllable->get_value()));
 304
 305         lo_send_message (addr, path.c_str(), msg);
 306         lo_message_free (msg);
 307 }
 308
 309 void
 310 OSCRouteObserver::send_gain_message (string path, boost::shared_ptr<Controllable> controllable)
 311 {
 312         lo_message msg = lo_message_new ();
 313
 314         if (feedback[2]) {
 315                 path = set_path (path);
 316         } else {
 317                 lo_message_add_int32 (msg, ssid);
 318         }
 319
 320         if (gainmode) {
 321                 if (controllable->get_value() == 1) {
 322                         lo_message_add_int32 (msg, 800);
 323                 } else {
 324                         lo_message_add_int32 (msg, gain_to_slider_position (controllable->get_value()) * 1023);
 325                 }
 326         } else {
 327                 if (controllable->get_value() < 1e-15) {
 328                         lo_message_add_float (msg, -200);
 329                 } else {
 330                         lo_message_add_float (msg, accurate_coefficient_to_dB (controllable->get_value()));
 331                 }
 332         }
 333
 334         lo_send_message (addr, path.c_str(), msg);
 335         lo_message_free (msg);
 336 }
 337
 338 string
 339 OSCRouteObserver::set_path (string path)
 340 {
 341         if (feedback[2]) {
 342   ostringstream os;
 343   os << path << "/" << ssid;
 344   path = os.str();
 345         }
 346         return path;
 347 }
 348
 349 void
 350 OSCRouteObserver::clear_strip (string path, float val)
 351 {
 352         lo_message msg = lo_message_new ();
 353         if (feedback[2]) {
 354                 path = set_path (path);
 355         } else {
 356                 lo_message_add_int32 (msg, ssid);
 357         }
 358         lo_message_add_float (msg, val);
 359
 360         lo_send_message (addr, path.c_str(), msg);
 361         lo_message_free (msg);
 362
 363 }
 364
 365 void
 366 OSCRouteObserver::send_select_status ()
 367 {
 368         // waiting for _strip->is_selected to start working
 369         if (_strip) {
 370                 string path = "/strip/gui_select";
 371
 372                 lo_message msg = lo_message_new ();
 373                 if (feedback[2]) {
 374                         path = set_path (path);
 375                 } else {
 376                         lo_message_add_int32 (msg, ssid);
 377                 }
 378                 //std::cout << "strip: " << ssid << " strip name: " << _strip->name() << " select: " << _strip->is_selected() << "\n";
 379                 lo_message_add_float (msg, _strip->is_selected());
 380                 lo_send_message (addr, path.c_str(), msg);
 381                 lo_message_free (msg);
 382         }
 383 }