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                 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());
  65                 send_change_message ("/master/pan_stereo_position", strip->pan_azimuth_control());
  66
  67                 boost::shared_ptr<Controllable> gain_controllable = boost::dynamic_pointer_cast<Controllable>(strip->gain_control());
  68                 if (gainmode) {
  69                         gain_controllable->Changed.connect (strip_connections, MISSING_INVALIDATOR, bind (&OSCGlobalObserver::send_gain_message, this, X_("/master/fader"), strip->gain_control()), OSC::instance());
  70                         send_gain_message ("/master/fader", strip->gain_control());
  71                 } else {
  72                         gain_controllable->Changed.connect (strip_connections, MISSING_INVALIDATOR, bind (&OSCGlobalObserver::send_gain_message, this, X_("/master/gain"), strip->gain_control()), OSC::instance());
  73                         send_gain_message ("/master/gain", strip->gain_control());
  74                 }
  75
  76                 // monitor stuff next
  77                 /*
  78                 *       Monitor (todo)
  79                 *               Mute
  80                 *               Dim
  81                 *               Mono
  82                 *               Rude Solo
  83                 *               etc.
  84                 */
  85                 strip = session->monitor_out();
  86                 if (strip) {
  87
  88                         // Hmm, it seems the monitor mute is not at route->mute_control()
  89                         /*boost::shared_ptr<Controllable> mute_controllable2 = boost::dynamic_pointer_cast<Controllable>(strip->mute_control());
  90                         //mute_controllable = boost::dynamic_pointer_cast<Controllable>(r2->mute_control());
  91                         mute_controllable2->Changed.connect (monitor_mute_connection, MISSING_INVALIDATOR, bind (&OSCGlobalObserver::send_change_message, this, X_("/monitor/mute"), strip->mute_control()), OSC::instance());
  92                         send_change_message ("/monitor/mute", strip->mute_control());
  93                         */
  94                         gain_controllable = boost::dynamic_pointer_cast<Controllable>(strip->gain_control());
  95                         if (gainmode) {
  96                                 gain_controllable->Changed.connect (strip_connections, MISSING_INVALIDATOR, bind (&OSCGlobalObserver::send_gain_message, this, X_("/monitor/fader"), strip->gain_control()), OSC::instance());
  97                                 send_gain_message ("/monitor/fader", strip->gain_control());
  98                         } else {
  99                                 gain_controllable->Changed.connect (strip_connections, MISSING_INVALIDATOR, bind (&OSCGlobalObserver::send_gain_message, this, X_("/monitor/gain"), strip->gain_control()), OSC::instance());
 100                                 send_gain_message ("/monitor/gain", strip->gain_control());
 101                         }
 102                 }
 103
 104                 /*
 105                 *       Transport (todo)
 106                 *               punchin/out
 107                 */
 108                 //Transport feedback
 109                 session->TransportStateChange.connect(session_connections, MISSING_INVALIDATOR, boost::bind (&OSCGlobalObserver::send_transport_state_changed, this), OSC::instance());
 110                 send_transport_state_changed ();
 111                 session->TransportLooped.connect(session_connections, MISSING_INVALIDATOR, boost::bind (&OSCGlobalObserver::send_transport_state_changed, this), OSC::instance());
 112                 session->RecordStateChanged.connect(session_connections, MISSING_INVALIDATOR, boost::bind (&OSCGlobalObserver::send_record_state_changed, this), OSC::instance());
 113                 send_record_state_changed ();
 114
 115                 // session feedback
 116                 session->StateSaved.connect(session_connections, MISSING_INVALIDATOR, boost::bind (&OSCGlobalObserver::send_session_saved, this, _1), OSC::instance());
 117                 send_session_saved (session->snap_name());
 118                 session->SoloActive.connect(session_connections, MISSING_INVALIDATOR, boost::bind (&OSCGlobalObserver::solo_active, this, _1), OSC::instance());
 119                 solo_active (session->soloing() || session->listening());
 120
 121                 /*
 122                 *       Maybe (many) more
 123                 */
 124         }
 125 }
 126
 127 OSCGlobalObserver::~OSCGlobalObserver ()
 128 {
 129
 130         strip_connections.drop_connections ();
 131         session_connections.drop_connections ();
 132
 133         lo_address_free (addr);
 134 }
 135
 136 void
 137 OSCGlobalObserver::tick ()
 138 {
 139         framepos_t now_frame = session->transport_frame();
 140         if (now_frame != _last_frame) {
 141                 if (feedback[6]) { // timecode enabled
 142                         Timecode::Time timecode;
 143                         session->timecode_time (now_frame, timecode);
 144
 145                         // Timecode mode: Hours/Minutes/Seconds/Frames
 146                         ostringstream os;
 147                         os << setw(2) << setfill('0') << timecode.hours;
 148                         os << ':';
 149                         os << setw(2) << setfill('0') << timecode.minutes;
 150                         os << ':';
 151                         os << setw(2) << setfill('0') << timecode.seconds;
 152                         os << ':';
 153                         os << setw(2) << setfill('0') << timecode.frames;
 154
 155                         lo_message msg = lo_message_new ();
 156                         lo_message_add_string (msg, os.str().c_str());
 157                         lo_send_message (addr, "/position/smpte", msg);
 158                         lo_message_free (msg);
 159                 }
 160                 if (feedback[5]) { // Bar beat enabled
 161                         Timecode::BBT_Time bbt_time;
 162
 163                         session->bbt_time (now_frame, bbt_time);
 164
 165                         // semantics:  BBB/bb/tttt
 166                         ostringstream os;
 167
 168                         os << setw(3) << setfill('0') << bbt_time.bars;
 169                         os << '|';
 170                         os << setw(2) << setfill('0') << bbt_time.beats;
 171                         os << '|';
 172                         os << setw(4) << setfill('0') << bbt_time.ticks;
 173
 174                         lo_message msg = lo_message_new ();
 175                         lo_message_add_string (msg, os.str().c_str());
 176                         lo_send_message (addr, "/position/bbt", msg);
 177                         lo_message_free (msg);
 178                 }
 179                 if (feedback[11]) { // minutes/seconds enabled
 180                         framepos_t left = now_frame;
 181                         int hrs = (int) floor (left / (session->frame_rate() * 60.0f * 60.0f));
 182                         left -= (framecnt_t) floor (hrs * session->frame_rate() * 60.0f * 60.0f);
 183                         int mins = (int) floor (left / (session->frame_rate() * 60.0f));
 184                         left -= (framecnt_t) floor (mins * session->frame_rate() * 60.0f);
 185                         int secs = (int) floor (left / (float) session->frame_rate());
 186                         left -= (framecnt_t) floor ((double)(secs * session->frame_rate()));
 187                         int millisecs = floor (left * 1000.0 / (float) session->frame_rate());
 188
 189                         // Min/sec mode: Hours/Minutes/Seconds/msec
 190                         ostringstream os;
 191                         os << setw(2) << setfill('0') << hrs;
 192                         os << ':';
 193                         os << setw(2) << setfill('0') << mins;
 194                         os << ':';
 195                         os << setw(2) << setfill('0') << secs;
 196                         os << '.';
 197                         os << setw(3) << setfill('0') << millisecs;
 198
 199                         lo_message msg = lo_message_new ();
 200                         lo_message_add_string (msg, os.str().c_str());
 201                         lo_send_message (addr, "/position/time", msg);
 202                         lo_message_free (msg);
 203                 }
 204                 if (feedback[10]) { // samples
 205                         ostringstream os;
 206                         os << now_frame;
 207                         lo_message msg = lo_message_new ();
 208                         lo_message_add_string (msg, os.str().c_str());
 209                         lo_send_message (addr, "/position/samples", msg);
 210                         lo_message_free (msg);
 211                 }
 212                 _last_frame = now_frame;
 213         }
 214         if (feedback[3]) { //heart beat enabled
 215                 if (_heartbeat == 10) {
 216                         lo_message msg = lo_message_new ();
 217                         lo_message_add_float (msg, 1.0);
 218                         lo_send_message (addr, "/heartbeat", msg);
 219                         lo_message_free (msg);
 220                 }
 221                 if (!_heartbeat) {
 222                         lo_message msg = lo_message_new ();
 223                         lo_message_add_float (msg, 0.0);
 224                         lo_send_message (addr, "/heartbeat", msg);
 225                         lo_message_free (msg);
 226                 }
 227                 _heartbeat++;
 228                 if (_heartbeat > 20) _heartbeat = 0;
 229         }
 230         if (feedback[7] || feedback[8] || feedback[9]) { // meters enabled
 231                 // the only meter here is master
 232                 float now_meter = session->master_out()->peak_meter()->meter_level(0, MeterMCP);
 233                 if (now_meter < -193) now_meter = -193;
 234                 if (_last_meter != now_meter) {
 235                         if (feedback[7] || feedback[8]) {
 236                                 lo_message msg = lo_message_new ();
 237                                 if (gainmode && feedback[7]) {
 238                                         uint32_t lev1023 = (uint32_t)((now_meter + 54) * 17.05);
 239                                         lo_message_add_int32 (msg, lev1023);
 240                                         lo_send_message (addr, "/master/meter", msg);
 241                                 } else if ((!gainmode) && feedback[7]) {
 242                                         lo_message_add_float (msg, now_meter);
 243                                         lo_send_message (addr, "/master/meter", msg);
 244                                 } else if (feedback[8]) {
 245                                         uint32_t ledlvl = (uint32_t)(((now_meter + 54) / 3.75)-1);
 246                                         uint32_t ledbits = ~(0xfff<<ledlvl);
 247                                         lo_message_add_int32 (msg, ledbits);
 248                                         lo_send_message (addr, "/master/meter", msg);
 249                                 }
 250                                 lo_message_free (msg);
 251                         }
 252                         if (feedback[9]) {
 253                                 lo_message msg = lo_message_new ();
 254                                 float signal;
 255                                 if (now_meter < -40) {
 256                                         signal = 0;
 257                                 } else {
 258                                         signal = 1;
 259                                 }
 260                                 lo_message_add_float (msg, signal);
 261                                 lo_send_message (addr, "/master/signal", msg);
 262                                 lo_message_free (msg);
 263                         }
 264                 }
 265                 _last_meter = now_meter;
 266
 267         }
 268 }
 269
 270 void
 271 OSCGlobalObserver::send_change_message (string path, boost::shared_ptr<Controllable> controllable)
 272 {
 273         lo_message msg = lo_message_new ();
 274
 275         lo_message_add_float (msg, (float) controllable->get_value());
 276
 277
 278         lo_send_message (addr, path.c_str(), msg);
 279         lo_message_free (msg);
 280 }
 281
 282 void
 283 OSCGlobalObserver::send_gain_message (string path, boost::shared_ptr<Controllable> controllable)
 284 {
 285         lo_message msg = lo_message_new ();
 286
 287         if (gainmode) {
 288                 if (controllable->get_value() == 1) {
 289                         lo_message_add_int32 (msg, 800);
 290                 } else {
 291                         lo_message_add_int32 (msg, gain_to_slider_position (controllable->get_value()) * 1023);
 292                 }
 293         } else {
 294                 if (controllable->get_value() < 1e-15) {
 295                         lo_message_add_float (msg, -200);
 296                 } else {
 297                         lo_message_add_float (msg, accurate_coefficient_to_dB (controllable->get_value()));
 298                 }
 299         }
 300
 301         lo_send_message (addr, path.c_str(), msg);
 302         lo_message_free (msg);
 303 }
 304
 305 void
 306 OSCGlobalObserver::send_trim_message (string path, boost::shared_ptr<Controllable> controllable)
 307 {
 308         lo_message msg = lo_message_new ();
 309
 310         lo_message_add_float (msg, (float) accurate_coefficient_to_dB (controllable->get_value()));
 311
 312         lo_send_message (addr, path.c_str(), msg);
 313         lo_message_free (msg);
 314 }
 315
 316
 317 void
 318 OSCGlobalObserver::send_transport_state_changed()
 319 {
 320
 321         lo_message msg = lo_message_new ();
 322         lo_message_add_int32 (msg, session->get_play_loop());
 323         lo_send_message (addr, "/loop_toggle", msg);
 324         lo_message_free (msg);
 325
 326         msg = lo_message_new ();
 327         lo_message_add_int32 (msg, session->transport_speed() == 1.0);
 328         lo_send_message (addr, "/transport_play", msg);
 329         lo_message_free (msg);
 330
 331         msg = lo_message_new ();
 332         lo_message_add_int32 (msg, session->transport_stopped ());
 333         lo_send_message (addr, "/transport_stop", msg);
 334         lo_message_free (msg);
 335
 336         msg = lo_message_new ();
 337         lo_message_add_int32 (msg, session->transport_speed() < 0.0);
 338         lo_send_message (addr, "/rewind", msg);
 339         lo_message_free (msg);
 340
 341         msg = lo_message_new ();
 342         lo_message_add_int32 (msg, session->transport_speed() > 1.0);
 343         lo_send_message (addr, "/ffwd", msg);
 344         lo_message_free (msg);
 345
 346 }
 347
 348 void
 349 OSCGlobalObserver::send_record_state_changed ()
 350 {
 351         lo_message msg = lo_message_new ();
 352         lo_message_add_int32 (msg, (int)session->get_record_enabled ());
 353         lo_send_message (addr, "/rec_enable_toggle", msg);
 354         lo_message_free (msg);
 355
 356         msg = lo_message_new ();
 357         if (session->have_rec_enabled_track ()) {
 358                 lo_message_add_int32 (msg, 1);
 359         } else {
 360                 lo_message_add_int32 (msg, 0);
 361         }
 362         lo_send_message (addr, "/record_tally", msg);
 363         lo_message_free (msg);
 364
 365 }
 366
 367 void
 368 OSCGlobalObserver::send_session_saved (std::string name)
 369 {
 370         lo_message msg = lo_message_new ();
 371         lo_message_add_string (msg, name.c_str());
 372         lo_send_message (addr, "/session_name", msg);
 373         lo_message_free (msg);
 374
 375 }
 376
 377 void
 378 OSCGlobalObserver::solo_active (bool active)
 379 {
 380         lo_message msg = lo_message_new ();
 381         lo_message_add_float (msg, (float) active);
 382         lo_send_message (addr, "/cancel_all_solos", msg);
 383         lo_message_free (msg);
 384 }