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 "pbd/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                 _strip->presentation_info().PropertyChanged.connect (strip_connections, MISSING_INVALIDATOR, bind (&OSCRouteObserver::send_select_status, this, _1), OSC::instance());
  73                 send_select_status (ARDOUR::Properties::selected);
  74         }
  75
  76         if (feedback[1]) { // level controls
  77                 if (gainmode) {
  78                         _strip->gain_control()->Changed.connect (strip_connections, MISSING_INVALIDATOR, bind (&OSCRouteObserver::send_gain_message, this, X_("/strip/fader"), _strip->gain_control()), OSC::instance());
  79                         send_gain_message ("/strip/fader", _strip->gain_control());
  80                 } else {
  81                         _strip->gain_control()->Changed.connect (strip_connections, MISSING_INVALIDATOR, bind (&OSCRouteObserver::send_gain_message, this, X_("/strip/gain"), _strip->gain_control()), OSC::instance());
  82                         send_gain_message ("/strip/gain", _strip->gain_control());
  83                 }
  84
  85                 boost::shared_ptr<Controllable> trim_controllable = boost::dynamic_pointer_cast<Controllable>(_strip->trim_control());
  86                 if (trim_controllable) {
  87                         trim_controllable->Changed.connect (strip_connections, MISSING_INVALIDATOR, bind (&OSCRouteObserver::send_trim_message, this, X_("/strip/trimdB"), _strip->trim_control()), OSC::instance());
  88                         send_trim_message ("/strip/trimdB", _strip->trim_control());
  89                 }
  90
  91                 boost::shared_ptr<Controllable> pan_controllable = boost::dynamic_pointer_cast<Controllable>(_strip->pan_azimuth_control());
  92                 if (pan_controllable) {
  93                         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());
  94                         send_change_message ("/strip/pan_stereo_position", _strip->pan_azimuth_control());
  95                 }
  96         }
  97         tick();
  98 }
  99
 100 OSCRouteObserver::~OSCRouteObserver ()
 101 {
 102
 103         strip_connections.drop_connections ();
 104         // all strip buttons should be off and faders 0 and etc.
 105         clear_strip ("/strip/expand", 0);
 106         if (feedback[0]) { // buttons are separate feedback
 107                 lo_message msg = lo_message_new ();
 108                 // name is a string do it first
 109                 string path = "/strip/name";
 110                 if (feedback[2]) {
 111                         path = set_path (path);
 112                 } else {
 113                         lo_message_add_int32 (msg, ssid);
 114                 }
 115                 lo_message_add_string (msg, " ");
 116
 117                 lo_send_message (addr, path.c_str(), msg);
 118                 lo_message_free (msg);
 119                 clear_strip ("/strip/mute", 0);
 120                 clear_strip ("/strip/solo", 0);
 121                 clear_strip ("/strip/recenable", 0);
 122                 clear_strip ("/strip/record_safe", 0);
 123                 clear_strip ("/strip/monitor_input", 0);
 124                 clear_strip ("/strip/monitor_disk", 0);
 125                 clear_strip ("/strip/gui_select", 0);
 126                 clear_strip ("/strip/select", 0);
 127         }
 128         if (feedback[1]) { // level controls
 129                 if (gainmode) {
 130                         clear_strip ("/strip/fader", 0);
 131                 } else {
 132                         clear_strip ("/strip/gain", -193);
 133                 }
 134                 clear_strip ("/strip/trimdB", 0);
 135                 clear_strip ("/strip/pan_stereo_position", 0.5);
 136         }
 137         if (feedback[9]) {
 138                 clear_strip ("/strip/signal", 0);
 139         }
 140         if (feedback[7]) {
 141                 if (gainmode) {
 142                         clear_strip ("/strip/meter", 0);
 143                 } else {
 144                         clear_strip ("/strip/meter", -193);
 145                 }
 146         }else if (feedback[8]) {
 147                 clear_strip ("/strip/meter", 0);
 148         }
 149
 150         lo_address_free (addr);
 151 }
 152
 153 void
 154 OSCRouteObserver::tick ()
 155 {
 156         if (feedback[7] || feedback[8] || feedback[9]) { // meters enabled
 157                 // the only meter here is master
 158                 float now_meter;
 159                 if (_strip->peak_meter()) {
 160                         now_meter = _strip->peak_meter()->meter_level(0, MeterMCP);
 161                 } else {
 162                         now_meter = -193;
 163                 }
 164                 if (now_meter < -144) now_meter = -193;
 165                 if (_last_meter != now_meter) {
 166                         if (feedback[7] || feedback[8]) {
 167                                 string path = "/strip/meter";
 168                                 lo_message msg = lo_message_new ();
 169                                 if (feedback[2]) {
 170                                         path = set_path (path);
 171                                 } else {
 172                                         lo_message_add_int32 (msg, ssid);
 173                                 }
 174                                 if (gainmode && feedback[7]) {
 175                                         uint32_t lev1023 = (uint32_t)((now_meter + 54) * 17.05);
 176                                         lo_message_add_int32 (msg, lev1023);
 177                                         lo_send_message (addr, path.c_str(), msg);
 178                                 } else if ((!gainmode) && feedback[7]) {
 179                                         lo_message_add_float (msg, now_meter);
 180                                         lo_send_message (addr, path.c_str(), msg);
 181                                 } else if (feedback[8]) {
 182                                         uint32_t ledlvl = (uint32_t)(((now_meter + 54) / 3.75)-1);
 183                                         uint16_t ledbits = ~(0xfff<<ledlvl);
 184                                         lo_message_add_int32 (msg, ledbits);
 185                                         lo_send_message (addr, path.c_str(), msg);
 186                                 }
 187                                 lo_message_free (msg);
 188                         }
 189                         if (feedback[9]) {
 190                                 string path = "/strip/signal";
 191                                 lo_message msg = lo_message_new ();
 192                                 if (feedback[2]) {
 193                                         path = set_path (path);
 194                                 } else {
 195                                         lo_message_add_int32 (msg, ssid);
 196                                 }
 197                                 float signal;
 198                                 if (now_meter < -40) {
 199                                         signal = 0;
 200                                 } else {
 201                                         signal = 1;
 202                                 }
 203                                 lo_message_add_float (msg, signal);
 204                                 lo_send_message (addr, path.c_str(), msg);
 205                                 lo_message_free (msg);
 206                         }
 207                 }
 208                 _last_meter = now_meter;
 209
 210         }
 211
 212 }
 213
 214 void
 215 OSCRouteObserver::name_changed (const PBD::PropertyChange& what_changed)
 216 {
 217         if (!what_changed.contains (ARDOUR::Properties::name)) {
 218             return;
 219         }
 220
 221         if (!_strip) {
 222                 return;
 223         }
 224
 225         lo_message msg = lo_message_new ();
 226
 227         // ssid is the strip on the surface this observer refers to
 228         // not part of the internal ordering.
 229         string path = "/strip/name";
 230         if (feedback[2]) {
 231                 path = set_path (path);
 232         } else {
 233                 lo_message_add_int32 (msg, ssid);
 234         }
 235         lo_message_add_string (msg, _strip->name().c_str());
 236
 237         lo_send_message (addr, path.c_str(), msg);
 238         lo_message_free (msg);
 239 }
 240
 241 void
 242 OSCRouteObserver::send_change_message (string path, boost::shared_ptr<Controllable> controllable)
 243 {
 244         lo_message msg = lo_message_new ();
 245
 246         if (feedback[2]) {
 247                 path = set_path (path);
 248         } else {
 249                 lo_message_add_int32 (msg, ssid);
 250         }
 251         float val = controllable->get_value();
 252         lo_message_add_float (msg, (float) controllable->internal_to_interface (val));
 253
 254         lo_send_message (addr, path.c_str(), msg);
 255         lo_message_free (msg);
 256 }
 257
 258 void
 259 OSCRouteObserver::send_monitor_status (boost::shared_ptr<Controllable> controllable)
 260 {
 261         int disk, input;
 262         float val = controllable->get_value();
 263         switch ((int) val) {
 264                 case 1:
 265                         disk = 0;
 266                         input = 1;
 267                         break;
 268                 case 2:
 269                         disk = 1;
 270                         input = 0;
 271                         break;
 272                 default:
 273                         disk = 0;
 274                         input = 0;
 275         }
 276
 277         lo_message msg = lo_message_new ();
 278         string path = "/strip/monitor_input";
 279         if (feedback[2]) {
 280                 path = set_path (path);
 281         } else {
 282                 lo_message_add_int32 (msg, ssid);
 283         }
 284         lo_message_add_int32 (msg, (float) input);
 285         lo_send_message (addr, path.c_str(), msg);
 286         lo_message_free (msg);
 287
 288         msg = lo_message_new ();
 289         path = "/strip/monitor_disk";
 290         if (feedback[2]) {
 291                 path = set_path (path);
 292         } else {
 293                 lo_message_add_int32 (msg, ssid);
 294         }
 295         lo_message_add_int32 (msg, (float) disk);
 296         lo_send_message (addr, path.c_str(), msg);
 297         lo_message_free (msg);
 298
 299 }
 300
 301 void
 302 OSCRouteObserver::send_trim_message (string path, boost::shared_ptr<Controllable> controllable)
 303 {
 304         lo_message msg = lo_message_new ();
 305
 306         if (feedback[2]) {
 307                 path = set_path (path);
 308         } else {
 309                 lo_message_add_int32 (msg, ssid);
 310         }
 311
 312         lo_message_add_float (msg, (float) accurate_coefficient_to_dB (controllable->get_value()));
 313
 314         lo_send_message (addr, path.c_str(), msg);
 315         lo_message_free (msg);
 316 }
 317
 318 void
 319 OSCRouteObserver::send_gain_message (string path, boost::shared_ptr<Controllable> controllable)
 320 {
 321         lo_message msg = lo_message_new ();
 322
 323         if (feedback[2]) {
 324                 path = set_path (path);
 325         } else {
 326                 lo_message_add_int32 (msg, ssid);
 327         }
 328
 329         if (gainmode) {
 330                 if (controllable->get_value() == 1) {
 331                         lo_message_add_int32 (msg, 800);
 332                 } else {
 333                         lo_message_add_int32 (msg, gain_to_slider_position (controllable->get_value()) * 1023);
 334                 }
 335         } else {
 336                 if (controllable->get_value() < 1e-15) {
 337                         lo_message_add_float (msg, -200);
 338                 } else {
 339                         lo_message_add_float (msg, accurate_coefficient_to_dB (controllable->get_value()));
 340                 }
 341         }
 342
 343         lo_send_message (addr, path.c_str(), msg);
 344         lo_message_free (msg);
 345 }
 346
 347 string
 348 OSCRouteObserver::set_path (string path)
 349 {
 350         if (feedback[2]) {
 351   ostringstream os;
 352   os << path << "/" << ssid;
 353   path = os.str();
 354         }
 355         return path;
 356 }
 357
 358 void
 359 OSCRouteObserver::clear_strip (string path, float val)
 360 {
 361         lo_message msg = lo_message_new ();
 362         if (feedback[2]) {
 363                 path = set_path (path);
 364         } else {
 365                 lo_message_add_int32 (msg, ssid);
 366         }
 367         lo_message_add_float (msg, val);
 368
 369         lo_send_message (addr, path.c_str(), msg);
 370         lo_message_free (msg);
 371
 372 }
 373
 374 void
 375 OSCRouteObserver::send_select_status (const PropertyChange& what)
 376 {
 377         if (what == PropertyChange(ARDOUR::Properties::selected)) {
 378                 if (_strip) {
 379                         string path = "/strip/select";
 380
 381                         lo_message msg = lo_message_new ();
 382                         if (feedback[2]) {
 383                                 path = set_path (path);
 384                         } else {
 385                                 lo_message_add_int32 (msg, ssid);
 386                         }
 387                         lo_message_add_float (msg, _strip->is_selected());
 388                         lo_send_message (addr, path.c_str(), msg);
 389                         lo_message_free (msg);
 390                 }
 391         }
 392 }