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 "pbd/control_math.h"
  23
  24 #include "ardour/session.h"
  25 #include "ardour/dB.h"
  26 #include "ardour/meter.h"
  27 #include "ardour/monitor_processor.h"
  28
  29 #include "osc.h"
  30 #include "osc_global_observer.h"
  31
  32 #include "pbd/i18n.h"
  33
  34 using namespace std;
  35 using namespace PBD;
  36 using namespace ARDOUR;
  37 using namespace ArdourSurface;
  38
  39 OSCGlobalObserver::OSCGlobalObserver (Session& s, lo_address a, uint32_t gm, std::bitset<32> fb)
  40         : gainmode (gm)
  41         ,feedback (fb)
  42 {
  43         addr = lo_address_new (lo_address_get_hostname(a) , lo_address_get_port(a));
  44         session = &s;
  45         _last_frame = -1;
  46         if (feedback[4]) {
  47
  48                 // connect to all the things we want to send feed back from
  49
  50                 /*
  51                 *       Master (todo)
  52                 *               Pan width
  53                 */
  54
  55                 // Master channel first
  56                 text_message (X_("/master/name"), "Master");
  57                 boost::shared_ptr<Stripable> strip = session->master_out();
  58
  59                 boost::shared_ptr<Controllable> mute_controllable = boost::dynamic_pointer_cast<Controllable>(strip->mute_control());
  60                 mute_controllable->Changed.connect (strip_connections, MISSING_INVALIDATOR, boost::bind (&OSCGlobalObserver::send_change_message, this, X_("/master/mute"), strip->mute_control()), OSC::instance());
  61                 send_change_message ("/master/mute", strip->mute_control());
  62
  63                 boost::shared_ptr<Controllable> trim_controllable = boost::dynamic_pointer_cast<Controllable>(strip->trim_control());
  64                 trim_controllable->Changed.connect (strip_connections, MISSING_INVALIDATOR, boost::bind (&OSCGlobalObserver::send_trim_message, this, X_("/master/trimdB"), strip->trim_control()), OSC::instance());
  65                 send_trim_message ("/master/trimdB", strip->trim_control());
  66
  67                 boost::shared_ptr<Controllable> pan_controllable = boost::dynamic_pointer_cast<Controllable>(strip->pan_azimuth_control());
  68                 if (pan_controllable) {
  69                         pan_controllable->Changed.connect (strip_connections, MISSING_INVALIDATOR, boost::bind (&OSCGlobalObserver::send_change_message, this, X_("/master/pan_stereo_position"), strip->pan_azimuth_control()), OSC::instance());
  70                         send_change_message ("/master/pan_stereo_position", strip->pan_azimuth_control());
  71                 }
  72
  73                 boost::shared_ptr<Controllable> gain_controllable = boost::dynamic_pointer_cast<Controllable>(strip->gain_control());
  74                 gain_controllable->Changed.connect (strip_connections, MISSING_INVALIDATOR, boost::bind (&OSCGlobalObserver::send_gain_message, this, X_("/master/"), strip->gain_control()), OSC::instance());
  75                 send_gain_message ("/master/", strip->gain_control());
  76
  77                 // monitor stuff next
  78                 strip = session->monitor_out();
  79                 if (strip) {
  80                         text_message (X_("/monitor/name"), "Monitor");
  81
  82                         boost::shared_ptr<Controllable> mon_mute_cont = strip->monitor_control()->cut_control();
  83                         mon_mute_cont->Changed.connect (strip_connections, MISSING_INVALIDATOR, boost::bind (&OSCGlobalObserver::send_change_message, this, X_("/monitor/mute"), mon_mute_cont), OSC::instance());
  84                         send_change_message ("/monitor/mute", mon_mute_cont);
  85
  86                         boost::shared_ptr<Controllable> mon_dim_cont = strip->monitor_control()->dim_control();
  87                         mon_dim_cont->Changed.connect (strip_connections, MISSING_INVALIDATOR, boost::bind (&OSCGlobalObserver::send_change_message, this, X_("/monitor/dim"), mon_dim_cont), OSC::instance());
  88                         send_change_message ("/monitor/dim", mon_dim_cont);
  89
  90                         boost::shared_ptr<Controllable> mon_mono_cont = strip->monitor_control()->mono_control();
  91                         mon_mono_cont->Changed.connect (strip_connections, MISSING_INVALIDATOR, boost::bind (&OSCGlobalObserver::send_change_message, this, X_("/monitor/mono"), mon_mono_cont), OSC::instance());
  92                         send_change_message ("/monitor/mono", mon_mono_cont);
  93
  94                         gain_controllable = boost::dynamic_pointer_cast<Controllable>(strip->gain_control());
  95                                 gain_controllable->Changed.connect (strip_connections, MISSING_INVALIDATOR, boost::bind (&OSCGlobalObserver::send_gain_message, this, X_("/monitor/"), strip->gain_control()), OSC::instance());
  96                                 send_gain_message ("/monitor/", strip->gain_control());
  97                 }
  98
  99                 /*
 100                 *       Transport (todo)
 101                 *               punchin/out
 102                 */
 103                 //Transport feedback
 104                 session->TransportStateChange.connect(session_connections, MISSING_INVALIDATOR, boost::bind (&OSCGlobalObserver::send_transport_state_changed, this), OSC::instance());
 105                 send_transport_state_changed ();
 106                 session->TransportLooped.connect(session_connections, MISSING_INVALIDATOR, boost::bind (&OSCGlobalObserver::send_transport_state_changed, this), OSC::instance());
 107                 session->RecordStateChanged.connect(session_connections, MISSING_INVALIDATOR, boost::bind (&OSCGlobalObserver::send_record_state_changed, this), OSC::instance());
 108                 send_record_state_changed ();
 109
 110                 // session feedback
 111                 session->StateSaved.connect(session_connections, MISSING_INVALIDATOR, boost::bind (&OSCGlobalObserver::text_message, this, X_("/session_name"), _1), OSC::instance());
 112                 text_message (X_("/session_name"), session->snap_name());
 113                 session->SoloActive.connect(session_connections, MISSING_INVALIDATOR, boost::bind (&OSCGlobalObserver::solo_active, this, _1), OSC::instance());
 114                 solo_active (session->soloing() || session->listening());
 115
 116                 /*
 117                 *       Maybe (many) more
 118                 */
 119         }
 120 }
 121
 122 OSCGlobalObserver::~OSCGlobalObserver ()
 123 {
 124
 125         // need to add general zero everything messages
 126         strip_connections.drop_connections ();
 127         session_connections.drop_connections ();
 128
 129         lo_address_free (addr);
 130 }
 131
 132 void
 133 OSCGlobalObserver::tick ()
 134 {
 135         framepos_t now_frame = session->transport_frame();
 136         if (now_frame != _last_frame) {
 137                 if (feedback[6]) { // timecode enabled
 138                         Timecode::Time timecode;
 139                         session->timecode_time (now_frame, timecode);
 140
 141                         // Timecode mode: Hours/Minutes/Seconds/Frames
 142                         ostringstream os;
 143                         os << setw(2) << setfill('0') << timecode.hours;
 144                         os << ':';
 145                         os << setw(2) << setfill('0') << timecode.minutes;
 146                         os << ':';
 147                         os << setw(2) << setfill('0') << timecode.seconds;
 148                         os << ':';
 149                         os << setw(2) << setfill('0') << timecode.frames;
 150
 151                         text_message ("/position/smpte", os.str());
 152                 }
 153                 if (feedback[5]) { // Bar beat enabled
 154                         Timecode::BBT_Time bbt_time;
 155
 156                         session->bbt_time (now_frame, bbt_time);
 157
 158                         // semantics:  BBB/bb/tttt
 159                         ostringstream os;
 160
 161                         os << setw(3) << setfill('0') << bbt_time.bars;
 162                         os << '|';
 163                         os << setw(2) << setfill('0') << bbt_time.beats;
 164                         os << '|';
 165                         os << setw(4) << setfill('0') << bbt_time.ticks;
 166
 167                         text_message ("/position/bbt", os.str());
 168                 }
 169                 if (feedback[11]) { // minutes/seconds enabled
 170                         framepos_t left = now_frame;
 171                         int hrs = (int) floor (left / (session->frame_rate() * 60.0f * 60.0f));
 172                         left -= (framecnt_t) floor (hrs * session->frame_rate() * 60.0f * 60.0f);
 173                         int mins = (int) floor (left / (session->frame_rate() * 60.0f));
 174                         left -= (framecnt_t) floor (mins * session->frame_rate() * 60.0f);
 175                         int secs = (int) floor (left / (float) session->frame_rate());
 176                         left -= (framecnt_t) floor ((double)(secs * session->frame_rate()));
 177                         int millisecs = floor (left * 1000.0 / (float) session->frame_rate());
 178
 179                         // Min/sec mode: Hours/Minutes/Seconds/msec
 180                         ostringstream os;
 181                         os << setw(2) << setfill('0') << hrs;
 182                         os << ':';
 183                         os << setw(2) << setfill('0') << mins;
 184                         os << ':';
 185                         os << setw(2) << setfill('0') << secs;
 186                         os << '.';
 187                         os << setw(3) << setfill('0') << millisecs;
 188
 189                         text_message ("/position/time", os.str());
 190                 }
 191                 if (feedback[10]) { // samples
 192                         ostringstream os;
 193                         os << now_frame;
 194                         text_message ("/position/samples", os.str());
 195                 }
 196                 _last_frame = now_frame;
 197         }
 198         if (feedback[3]) { //heart beat enabled
 199                 if (_heartbeat == 10) {
 200                         float_message (X_("/heartbeat"), 1.0);
 201                 }
 202                 if (!_heartbeat) {
 203                         float_message (X_("/heartbeat"), 0.0);
 204                 }
 205                 _heartbeat++;
 206                 if (_heartbeat > 20) _heartbeat = 0;
 207         }
 208         if (feedback[7] || feedback[8] || feedback[9]) { // meters enabled
 209                 // the only meter here is master
 210                 float now_meter = session->master_out()->peak_meter()->meter_level(0, MeterMCP);
 211                 if (now_meter < -94) now_meter = -193;
 212                 if (_last_meter != now_meter) {
 213                         if (feedback[7] || feedback[8]) {
 214                                 if (gainmode && feedback[7]) {
 215                                         // change from db to 0-1
 216                                         float_message (X_("/master/meter"), ((now_meter + 94) / 100));
 217                                 } else if ((!gainmode) && feedback[7]) {
 218                                         float_message (X_("/master/meter"), now_meter);
 219                                 } else if (feedback[8]) {
 220                                         uint32_t ledlvl = (uint32_t)(((now_meter + 54) / 3.75)-1);
 221                                         uint32_t ledbits = ~(0xfff<<ledlvl);
 222                                         int_message (X_("/master/meter"), ledbits);
 223                                 }
 224                         }
 225                         if (feedback[9]) {
 226                                 float signal;
 227                                 if (now_meter < -40) {
 228                                         signal = 0;
 229                                 } else {
 230                                         signal = 1;
 231                                 }
 232                                 float_message (X_("/master/signal"), signal);
 233                         }
 234                 }
 235                 _last_meter = now_meter;
 236
 237         }
 238         if (feedback[4]) {
 239                 if (master_timeout) {
 240                         if (master_timeout == 1) {
 241                                 text_message (X_("/master/name"), "Master");
 242                         }
 243                         master_timeout--;
 244                 }
 245                 if (monitor_timeout) {
 246                         if (monitor_timeout == 1) {
 247                                 text_message (X_("/monitor/name"), "Monitor");
 248                         }
 249                         monitor_timeout--;
 250                 }
 251         }
 252 }
 253
 254 void
 255 OSCGlobalObserver::send_change_message (string path, boost::shared_ptr<Controllable> controllable)
 256 {
 257         float_message (path, (float) controllable->get_value());
 258 }
 259
 260 void
 261 OSCGlobalObserver::send_gain_message (string path, boost::shared_ptr<Controllable> controllable)
 262 {
 263         if (gainmode) {
 264                 float_message (string_compose ("%1fader", path), gain_to_position (controllable->get_value())); // XXX use internal_to_interface
 265                 text_message (string_compose ("%1name", path), string_compose ("%1%2%3", std::fixed, std::setprecision(2), accurate_coefficient_to_dB (controllable->get_value())));
 266                 if (path.find("master") != std::string::npos) {
 267                         master_timeout = 8;
 268                 } else {
 269                         monitor_timeout = 8;
 270                 }
 271
 272         } else {
 273                 if (controllable->get_value() < 1e-15) {
 274                         float_message (string_compose ("%1gain",path), -200);
 275                 } else {
 276                         float_message (string_compose ("%1gain",path), accurate_coefficient_to_dB (controllable->get_value()));
 277                 }
 278         }
 279 }
 280
 281 void
 282 OSCGlobalObserver::send_trim_message (string path, boost::shared_ptr<Controllable> controllable)
 283 {
 284         float_message (X_("/master/trimdB"), (float) accurate_coefficient_to_dB (controllable->get_value()));
 285 }
 286
 287
 288 void
 289 OSCGlobalObserver::send_transport_state_changed()
 290 {
 291         int_message (X_("/loop_toggle"), session->get_play_loop());
 292         int_message (X_("/transport_play"), session->transport_speed() == 1.0);
 293         int_message (X_("/transport_stop"), session->transport_stopped());
 294         int_message (X_("/rewind"), session->transport_speed() < 0.0);
 295         int_message (X_("/ffwd"), (session->transport_speed() != 1.0 && session->transport_speed() > 0.0));
 296 }
 297
 298 void
 299 OSCGlobalObserver::send_record_state_changed ()
 300 {
 301         int_message (X_("/rec_enable_toggle"), (int)session->get_record_enabled ());
 302
 303         if (session->have_rec_enabled_track ()) {
 304                 int_message (X_("/record_tally"), 1);
 305         } else {
 306                 int_message (X_("/record_tally"), 0);
 307         }
 308 }
 309
 310 void
 311 OSCGlobalObserver::solo_active (bool active)
 312 {
 313         float_message (X_("/cancel_all_solos"), (float) active);
 314 }
 315
 316 void
 317 OSCGlobalObserver::text_message (string path, std::string text)
 318 {
 319         lo_message msg = lo_message_new ();
 320
 321         lo_message_add_string (msg, text.c_str());
 322
 323         lo_send_message (addr, path.c_str(), msg);
 324         lo_message_free (msg);
 325 }
 326
 327 void
 328 OSCGlobalObserver::float_message (string path, float value)
 329 {
 330         lo_message msg = lo_message_new ();
 331
 332         lo_message_add_float (msg, value);
 333
 334         lo_send_message (addr, path.c_str(), msg);
 335         lo_message_free (msg);
 336 }
 337
 338 void
 339 OSCGlobalObserver::int_message (string path, uint32_t value)
 340 {
 341         lo_message msg = lo_message_new ();
 342
 343         lo_message_add_int32 (msg, value);
 344
 345         lo_send_message (addr, path.c_str(), msg);
 346         lo_message_free (msg);
 347 }