libs/surfaces/osc/osc_global_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/dB.h"
  24 #include "ardour/meter.h"
  25
  26 #include "osc.h"
  27 #include "osc_global_observer.h"
  28
  29 #include "pbd/i18n.h"
  30
  31 using namespace std;
  32 using namespace PBD;
  33 using namespace ARDOUR;
  34 using namespace ArdourSurface;
  35
  36 OSCGlobalObserver::OSCGlobalObserver (Session& s, lo_address a, uint32_t gm, std::bitset<32> fb)
  37         : gainmode (gm)
  38         ,feedback (fb)
  39 {
  40         if (feedback[4]) {
  41                 addr = lo_address_new (lo_address_get_hostname(a) , lo_address_get_port(a));
  42                 session = &s;
  43                 _last_frame = -1;
  44
  45                 // connect to all the things we want to send feed back from
  46
  47                 /*
  48                 *       Master (todo)
  49                 *               Pan width
  50                 */
  51
  52                 // Master channel first
  53                 boost::shared_ptr<Stripable> strip = session->master_out();
  54
  55                 boost::shared_ptr<Controllable> mute_controllable = boost::dynamic_pointer_cast<Controllable>(strip->mute_control());
  56                 mute_controllable->Changed.connect (strip_connections, MISSING_INVALIDATOR, bind (&OSCGlobalObserver::send_change_message, this, X_("/master/mute"), strip->mute_control()), OSC::instance());
  57                 send_change_message ("/master/mute", strip->mute_control());
  58
  59                 boost::shared_ptr<Controllable> trim_controllable = boost::dynamic_pointer_cast<Controllable>(strip->trim_control());
  60                 trim_controllable->Changed.connect (strip_connections, MISSING_INVALIDATOR, bind (&OSCGlobalObserver::send_trim_message, this, X_("/master/trimdB"), strip->trim_control()), OSC::instance());
  61                 send_trim_message ("/master/trimdB", strip->trim_control());
  62
  63                 boost::shared_ptr<Controllable> pan_controllable = boost::dynamic_pointer_cast<Controllable>(strip->pan_azimuth_control());
  64                 if (pan_controllable) {
  65                         pan_controllable->Changed.connect (strip_connections, MISSING_INVALIDATOR, bind (&OSCGlobalObserver::send_change_message, this, X_("/master/pan_stereo_position"), strip->pan_azimuth_control()), OSC::instance());
  66                         send_change_message ("/master/pan_stereo_position", strip->pan_azimuth_control());
  67                 }
  68
  69                 boost::shared_ptr<Controllable> gain_controllable = boost::dynamic_pointer_cast<Controllable>(strip->gain_control());
  70                 if (gainmode) {
  71                         gain_controllable->Changed.connect (strip_connections, MISSING_INVALIDATOR, bind (&OSCGlobalObserver::send_gain_message, this, X_("/master/fader"), strip->gain_control()), OSC::instance());
  72                         send_gain_message ("/master/fader", strip->gain_control());
  73                 } else {
  74                         gain_controllable->Changed.connect (strip_connections, MISSING_INVALIDATOR, bind (&OSCGlobalObserver::send_gain_message, this, X_("/master/gain"), strip->gain_control()), OSC::instance());
  75                         send_gain_message ("/master/gain", strip->gain_control());
  76                 }
  77
  78                 // monitor stuff next
  79                 /*
  80                 *       Monitor (todo)
  81                 *               Mute
  82                 *               Dim
  83                 *               Mono
  84                 *               Rude Solo
  85                 *               etc.
  86                 */
  87                 strip = session->monitor_out();
  88                 if (strip) {
  89
  90                         // Hmm, it seems the monitor mute is not at route->mute_control()
  91                         /*boost::shared_ptr<Controllable> mute_controllable2 = boost::dynamic_pointer_cast<Controllable>(strip->mute_control());
  92                         //mute_controllable = boost::dynamic_pointer_cast<Controllable>(r2->mute_control());
  93                         mute_controllable2->Changed.connect (monitor_mute_connection, MISSING_INVALIDATOR, bind (&OSCGlobalObserver::send_change_message, this, X_("/monitor/mute"), strip->mute_control()), OSC::instance());
  94                         send_change_message ("/monitor/mute", strip->mute_control());
  95                         */
  96                         gain_controllable = boost::dynamic_pointer_cast<Controllable>(strip->gain_control());
  97                         if (gainmode) {
  98                                 gain_controllable->Changed.connect (strip_connections, MISSING_INVALIDATOR, bind (&OSCGlobalObserver::send_gain_message, this, X_("/monitor/fader"), strip->gain_control()), OSC::instance());
  99                                 send_gain_message ("/monitor/fader", strip->gain_control());
 100                         } else {
 101                                 gain_controllable->Changed.connect (strip_connections, MISSING_INVALIDATOR, bind (&OSCGlobalObserver::send_gain_message, this, X_("/monitor/gain"), strip->gain_control()), OSC::instance());
 102                                 send_gain_message ("/monitor/gain", strip->gain_control());
 103                         }
 104                 }
 105
 106                 /*
 107                 *       Transport (todo)
 108                 *               punchin/out
 109                 */
 110                 //Transport feedback
 111                 session->TransportStateChange.connect(session_connections, MISSING_INVALIDATOR, boost::bind (&OSCGlobalObserver::send_transport_state_changed, this), OSC::instance());
 112                 send_transport_state_changed ();
 113                 session->TransportLooped.connect(session_connections, MISSING_INVALIDATOR, boost::bind (&OSCGlobalObserver::send_transport_state_changed, this), OSC::instance());
 114                 session->RecordStateChanged.connect(session_connections, MISSING_INVALIDATOR, boost::bind (&OSCGlobalObserver::send_record_state_changed, this), OSC::instance());
 115                 send_record_state_changed ();
 116
 117                 // session feedback
 118                 session->StateSaved.connect(session_connections, MISSING_INVALIDATOR, boost::bind (&OSCGlobalObserver::send_session_saved, this, _1), OSC::instance());
 119                 send_session_saved (session->snap_name());
 120                 session->SoloActive.connect(session_connections, MISSING_INVALIDATOR, boost::bind (&OSCGlobalObserver::solo_active, this, _1), OSC::instance());
 121                 solo_active (session->soloing() || session->listening());
 122
 123                 /*
 124                 *       Maybe (many) more
 125                 */
 126         }
 127 }
 128
 129 OSCGlobalObserver::~OSCGlobalObserver ()
 130 {
 131
 132         strip_connections.drop_connections ();
 133         session_connections.drop_connections ();
 134
 135         lo_address_free (addr);
 136 }
 137
 138 void
 139 OSCGlobalObserver::tick ()
 140 {
 141         framepos_t now_frame = session->transport_frame();
 142         if (now_frame != _last_frame) {
 143                 if (feedback[6]) { // timecode enabled
 144                         Timecode::Time timecode;
 145                         session->timecode_time (now_frame, timecode);
 146
 147                         // Timecode mode: Hours/Minutes/Seconds/Frames
 148                         ostringstream os;
 149                         os << setw(2) << setfill('0') << timecode.hours;
 150                         os << ':';
 151                         os << setw(2) << setfill('0') << timecode.minutes;
 152                         os << ':';
 153                         os << setw(2) << setfill('0') << timecode.seconds;
 154                         os << ':';
 155                         os << setw(2) << setfill('0') << timecode.frames;
 156
 157                         lo_message msg = lo_message_new ();
 158                         lo_message_add_string (msg, os.str().c_str());
 159                         lo_send_message (addr, "/position/smpte", msg);
 160                         lo_message_free (msg);
 161                 }
 162                 if (feedback[5]) { // Bar beat enabled
 163                         Timecode::BBT_Time bbt_time;
 164
 165                         session->bbt_time (now_frame, bbt_time);
 166
 167                         // semantics:  BBB/bb/tttt
 168                         ostringstream os;
 169
 170                         os << setw(3) << setfill('0') << bbt_time.bars;
 171                         os << '|';
 172                         os << setw(2) << setfill('0') << bbt_time.beats;
 173                         os << '|';
 174                         os << setw(4) << setfill('0') << bbt_time.ticks;
 175
 176                         lo_message msg = lo_message_new ();
 177                         lo_message_add_string (msg, os.str().c_str());
 178                         lo_send_message (addr, "/position/bbt", msg);
 179                         lo_message_free (msg);
 180                 }
 181                 if (feedback[11]) { // minutes/seconds enabled
 182                         framepos_t left = now_frame;
 183                         int hrs = (int) floor (left / (session->frame_rate() * 60.0f * 60.0f));
 184                         left -= (framecnt_t) floor (hrs * session->frame_rate() * 60.0f * 60.0f);
 185                         int mins = (int) floor (left / (session->frame_rate() * 60.0f));
 186                         left -= (framecnt_t) floor (mins * session->frame_rate() * 60.0f);
 187                         int secs = (int) floor (left / (float) session->frame_rate());
 188                         left -= (framecnt_t) floor ((double)(secs * session->frame_rate()));
 189                         int millisecs = floor (left * 1000.0 / (float) session->frame_rate());
 190
 191                         // Min/sec mode: Hours/Minutes/Seconds/msec
 192                         ostringstream os;
 193                         os << setw(2) << setfill('0') << hrs;
 194                         os << ':';
 195                         os << setw(2) << setfill('0') << mins;
 196                         os << ':';
 197                         os << setw(2) << setfill('0') << secs;
 198                         os << '.';
 199                         os << setw(3) << setfill('0') << millisecs;
 200
 201                         lo_message msg = lo_message_new ();
 202                         lo_message_add_string (msg, os.str().c_str());
 203                         lo_send_message (addr, "/position/time", msg);
 204                         lo_message_free (msg);
 205                 }
 206                 if (feedback[10]) { // samples
 207                         ostringstream os;
 208                         os << now_frame;
 209                         lo_message msg = lo_message_new ();
 210                         lo_message_add_string (msg, os.str().c_str());
 211                         lo_send_message (addr, "/position/samples", msg);
 212                         lo_message_free (msg);
 213                 }
 214                 _last_frame = now_frame;
 215         }
 216         if (feedback[3]) { //heart beat enabled
 217                 if (_heartbeat == 10) {
 218                         lo_message msg = lo_message_new ();
 219                         lo_message_add_float (msg, 1.0);
 220                         lo_send_message (addr, "/heartbeat", msg);
 221                         lo_message_free (msg);
 222                 }
 223                 if (!_heartbeat) {
 224                         lo_message msg = lo_message_new ();
 225                         lo_message_add_float (msg, 0.0);
 226                         lo_send_message (addr, "/heartbeat", msg);
 227                         lo_message_free (msg);
 228                 }
 229                 _heartbeat++;
 230                 if (_heartbeat > 20) _heartbeat = 0;
 231         }
 232         if (feedback[7] || feedback[8] || feedback[9]) { // meters enabled
 233                 // the only meter here is master
 234                 float now_meter = session->master_out()->peak_meter()->meter_level(0, MeterMCP);
 235                 if (now_meter < -120) now_meter = -193;
 236                 if (_last_meter != now_meter) {
 237                         if (feedback[7] || feedback[8]) {
 238                                 lo_message msg = lo_message_new ();
 239                                 if (gainmode && feedback[7]) {
 240                                         uint32_t lev1023 = (uint32_t)((now_meter + 54) * 17.05);
 241                                         lo_message_add_int32 (msg, lev1023);
 242                                         lo_send_message (addr, "/master/meter", msg);
 243                                 } else if ((!gainmode) && feedback[7]) {
 244                                         lo_message_add_float (msg, now_meter);
 245                                         lo_send_message (addr, "/master/meter", msg);
 246                                 } else if (feedback[8]) {
 247                                         uint32_t ledlvl = (uint32_t)(((now_meter + 54) / 3.75)-1);
 248                                         uint32_t ledbits = ~(0xfff<<ledlvl);
 249                                         lo_message_add_int32 (msg, ledbits);
 250                                         lo_send_message (addr, "/master/meter", msg);
 251                                 }
 252                                 lo_message_free (msg);
 253                         }
 254                         if (feedback[9]) {
 255                                 lo_message msg = lo_message_new ();
 256                                 float signal;
 257                                 if (now_meter < -40) {
 258                                         signal = 0;
 259                                 } else {
 260                                         signal = 1;
 261                                 }
 262                                 lo_message_add_float (msg, signal);
 263                                 lo_send_message (addr, "/master/signal", msg);
 264                                 lo_message_free (msg);
 265                         }
 266                 }
 267                 _last_meter = now_meter;
 268
 269         }
 270 }
 271
 272 void
 273 OSCGlobalObserver::send_change_message (string path, boost::shared_ptr<Controllable> controllable)
 274 {
 275         lo_message msg = lo_message_new ();
 276
 277         lo_message_add_float (msg, (float) controllable->get_value());
 278
 279
 280         lo_send_message (addr, path.c_str(), msg);
 281         lo_message_free (msg);
 282 }
 283
 284 void
 285 OSCGlobalObserver::send_gain_message (string path, boost::shared_ptr<Controllable> controllable)
 286 {
 287         lo_message msg = lo_message_new ();
 288
 289         if (gainmode) {
 290                 if (controllable->get_value() == 1) {
 291                         lo_message_add_int32 (msg, 800);
 292                 } else {
 293                         lo_message_add_int32 (msg, gain_to_slider_position (controllable->get_value()) * 1023);
 294                 }
 295         } else {
 296                 if (controllable->get_value() < 1e-15) {
 297                         lo_message_add_float (msg, -200);
 298                 } else {
 299                         lo_message_add_float (msg, accurate_coefficient_to_dB (controllable->get_value()));
 300                 }
 301         }
 302
 303         lo_send_message (addr, path.c_str(), msg);
 304         lo_message_free (msg);
 305 }
 306
 307 void
 308 OSCGlobalObserver::send_trim_message (string path, boost::shared_ptr<Controllable> controllable)
 309 {
 310         lo_message msg = lo_message_new ();
 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
 319 void
 320 OSCGlobalObserver::send_transport_state_changed()
 321 {
 322
 323         lo_message msg = lo_message_new ();
 324         lo_message_add_int32 (msg, session->get_play_loop());
 325         lo_send_message (addr, "/loop_toggle", msg);
 326         lo_message_free (msg);
 327
 328         msg = lo_message_new ();
 329         lo_message_add_int32 (msg, session->transport_speed() == 1.0);
 330         lo_send_message (addr, "/transport_play", msg);
 331         lo_message_free (msg);
 332
 333         msg = lo_message_new ();
 334         lo_message_add_int32 (msg, session->transport_stopped ());
 335         lo_send_message (addr, "/transport_stop", msg);
 336         lo_message_free (msg);
 337
 338         msg = lo_message_new ();
 339         lo_message_add_int32 (msg, session->transport_speed() < 0.0);
 340         lo_send_message (addr, "/rewind", msg);
 341         lo_message_free (msg);
 342
 343         msg = lo_message_new ();
 344         lo_message_add_int32 (msg, (session->transport_speed() != 1.0 && session->transport_speed() > 0.0));
 345         lo_send_message (addr, "/ffwd", msg);
 346         lo_message_free (msg);
 347
 348 }
 349
 350 void
 351 OSCGlobalObserver::send_record_state_changed ()
 352 {
 353         lo_message msg = lo_message_new ();
 354         lo_message_add_int32 (msg, (int)session->get_record_enabled ());
 355         lo_send_message (addr, "/rec_enable_toggle", msg);
 356         lo_message_free (msg);
 357
 358         msg = lo_message_new ();
 359         if (session->have_rec_enabled_track ()) {
 360                 lo_message_add_int32 (msg, 1);
 361         } else {
 362                 lo_message_add_int32 (msg, 0);
 363         }
 364         lo_send_message (addr, "/record_tally", msg);
 365         lo_message_free (msg);
 366
 367 }
 368
 369 void
 370 OSCGlobalObserver::send_session_saved (std::string name)
 371 {
 372         lo_message msg = lo_message_new ();
 373         lo_message_add_string (msg, name.c_str());
 374         lo_send_message (addr, "/session_name", msg);
 375         lo_message_free (msg);
 376
 377 }
 378
 379 void
 380 OSCGlobalObserver::solo_active (bool active)
 381 {
 382         lo_message msg = lo_message_new ();
 383         lo_message_add_float (msg, (float) active);
 384         lo_send_message (addr, "/cancel_all_solos", msg);
 385         lo_message_free (msg);
 386 }