libs/surfaces/osc/osc_select_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_select_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 OSCSelectObserver::OSCSelectObserver (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 (&OSCSelectObserver::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 (&OSCSelectObserver::send_change_message, this, X_("/select/mute"), _strip->mute_control()), OSC::instance());
  51                 send_change_message ("/select/mute", _strip->mute_control());
  52
  53                 _strip->solo_control()->Changed.connect (strip_connections, MISSING_INVALIDATOR, bind (&OSCSelectObserver::send_change_message, this, X_("/select/solo"), _strip->solo_control()), OSC::instance());
  54                 send_change_message ("/select/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 (&OSCSelectObserver::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 (&OSCSelectObserver::send_change_message, this, X_("/select/recenable"), _strip->rec_enable_control()), OSC::instance());
  65                         send_change_message ("/select/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 (&OSCSelectObserver::send_change_message, this, X_("/select/record_safe"), _strip->rec_safe_control()), OSC::instance());
  70                         send_change_message ("/select/record_safe", _strip->rec_safe_control());
  71                 }
  72         }
  73
  74         if (feedback[1]) { // level controls
  75                 if (gainmode) {
  76                         _strip->gain_control()->Changed.connect (strip_connections, MISSING_INVALIDATOR, bind (&OSCSelectObserver::send_gain_message, this, X_("/select/fader"), _strip->gain_control()), OSC::instance());
  77                         send_gain_message ("/select/fader", _strip->gain_control());
  78                 } else {
  79                         _strip->gain_control()->Changed.connect (strip_connections, MISSING_INVALIDATOR, bind (&OSCSelectObserver::send_gain_message, this, X_("/select/gain"), _strip->gain_control()), OSC::instance());
  80                         send_gain_message ("/select/gain", _strip->gain_control());
  81                 }
  82
  83                 boost::shared_ptr<Controllable> trim_controllable = boost::dynamic_pointer_cast<Controllable>(_strip->trim_control());
  84                 if (trim_controllable) {
  85                         trim_controllable->Changed.connect (strip_connections, MISSING_INVALIDATOR, bind (&OSCSelectObserver::send_trim_message, this, X_("/select/trimdB"), _strip->trim_control()), OSC::instance());
  86                         send_trim_message ("/select/trimdB", _strip->trim_control());
  87                 }
  88
  89                 boost::shared_ptr<Controllable> pan_controllable = boost::dynamic_pointer_cast<Controllable>(_strip->pan_azimuth_control());
  90                 if (pan_controllable) {
  91                         pan_controllable->Changed.connect (strip_connections, MISSING_INVALIDATOR, bind (&OSCSelectObserver::send_change_message, this, X_("/select/pan_stereo_position"), _strip->pan_azimuth_control()), OSC::instance());
  92                         send_change_message ("/select/pan_stereo_position", _strip->pan_azimuth_control());
  93                 }
  94         }
  95         tick();
  96 }
  97
  98 OSCSelectObserver::~OSCSelectObserver ()
  99 {
 100
 101         strip_connections.drop_connections ();
 102         // all strip buttons should be off and faders 0 and etc.
 103         if (feedback[0]) { // buttons are separate feedback
 104                 lo_message msg = lo_message_new ();
 105                 // name is a string do it first
 106                 string path = "/select/name";
 107                 lo_message_add_string (msg, " ");
 108                 lo_send_message (addr, path.c_str(), msg);
 109                 lo_message_free (msg);
 110                 clear_strip ("/select/mute", 0);
 111                 clear_strip ("/select/solo", 0);
 112                 clear_strip ("/select/recenable", 0);
 113                 clear_strip ("/select/record_safe", 0);
 114                 clear_strip ("/select/monitor_input", 0);
 115                 clear_strip ("/select/monitor_disk", 0);
 116         }
 117         if (feedback[1]) { // level controls
 118                 if (gainmode) {
 119                         clear_strip ("/select/fader", 0);
 120                 } else {
 121                         clear_strip ("/select/gain", -193);
 122                 }
 123                 clear_strip ("/select/trimdB", 0);
 124                 clear_strip ("/select/pan_stereo_position", 0.5);
 125         }
 126         if (feedback[9]) {
 127                 clear_strip ("/select/signal", 0);
 128         }
 129         if (feedback[7]) {
 130                 if (gainmode) {
 131                         clear_strip ("/select/meter", 0);
 132                 } else {
 133                         clear_strip ("/select/meter", -193);
 134                 }
 135         }else if (feedback[8]) {
 136                 clear_strip ("/select/meter", 0);
 137         }
 138
 139         lo_address_free (addr);
 140 }
 141
 142 void
 143 OSCSelectObserver::tick ()
 144 {
 145         if (feedback[7] || feedback[8] || feedback[9]) { // meters enabled
 146
 147                 float now_meter = _strip->peak_meter()->meter_level(0, MeterMCP);
 148                 if (now_meter < -193) now_meter = -193;
 149                 if (_last_meter != now_meter) {
 150                         if (feedback[7] || feedback[8]) {
 151                                 string path = "/select/meter";
 152                                 lo_message msg = lo_message_new ();
 153                                 if (gainmode && feedback[7]) {
 154                                         uint32_t lev1023 = (uint32_t)((now_meter + 54) * 17.05);
 155                                         lo_message_add_int32 (msg, lev1023);
 156                                         lo_send_message (addr, path.c_str(), msg);
 157                                 } else if ((!gainmode) && feedback[7]) {
 158                                         lo_message_add_float (msg, now_meter);
 159                                         lo_send_message (addr, path.c_str(), msg);
 160                                 } else if (feedback[8]) {
 161                                         uint32_t ledlvl = (uint32_t)(((now_meter + 54) / 3.75)-1);
 162                                         uint16_t ledbits = ~(0xfff<<ledlvl);
 163                                         lo_message_add_int32 (msg, ledbits);
 164                                         lo_send_message (addr, path.c_str(), msg);
 165                                 }
 166                                 lo_message_free (msg);
 167                         }
 168                         if (feedback[9]) {
 169                                 string path = "/select/signal";
 170                                 lo_message msg = lo_message_new ();
 171                                 float signal;
 172                                 if (now_meter < -40) {
 173                                         signal = 0;
 174                                 } else {
 175                                         signal = 1;
 176                                 }
 177                                 lo_message_add_float (msg, signal);
 178                                 lo_send_message (addr, path.c_str(), msg);
 179                                 lo_message_free (msg);
 180                         }
 181                 }
 182                 _last_meter = now_meter;
 183
 184         }
 185
 186 }
 187
 188 void
 189 OSCSelectObserver::name_changed (const PBD::PropertyChange& what_changed)
 190 {
 191         if (!what_changed.contains (ARDOUR::Properties::name)) {
 192             return;
 193         }
 194
 195         if (!_strip) {
 196                 return;
 197         }
 198
 199         lo_message msg = lo_message_new ();
 200
 201         // ssid is the strip on the surface this observer refers to
 202         // not part of the internal ordering.
 203         string path = "/select/name";
 204         /*if (feedback[2]) {
 205                 path = set_path (path);
 206         } else {
 207                 lo_message_add_int32 (msg, ssid);
 208         }*/
 209         lo_message_add_string (msg, _strip->name().c_str());
 210
 211         lo_send_message (addr, path.c_str(), msg);
 212         lo_message_free (msg);
 213 }
 214
 215 void
 216 OSCSelectObserver::send_change_message (string path, boost::shared_ptr<Controllable> controllable)
 217 {
 218         lo_message msg = lo_message_new ();
 219
 220         lo_message_add_float (msg, (float) controllable->get_value());
 221
 222         lo_send_message (addr, path.c_str(), msg);
 223         lo_message_free (msg);
 224 }
 225
 226 void
 227 OSCSelectObserver::send_monitor_status (boost::shared_ptr<Controllable> controllable)
 228 {
 229         int disk, input;
 230         float val = controllable->get_value();
 231         switch ((int) val) {
 232                 case 1:
 233                         disk = 0;
 234                         input = 1;
 235                         break;
 236                 case 2:
 237                         disk = 1;
 238                         input = 0;
 239                         break;
 240                 default:
 241                         disk = 0;
 242                         input = 0;
 243         }
 244
 245         lo_message msg = lo_message_new ();
 246         string path = "/select/monitor_input";
 247         lo_message_add_int32 (msg, (float) input);
 248         lo_send_message (addr, path.c_str(), msg);
 249         lo_message_free (msg);
 250
 251         msg = lo_message_new ();
 252         path = "/select/monitor_disk";
 253         lo_message_add_int32 (msg, (float) disk);
 254         lo_send_message (addr, path.c_str(), msg);
 255         lo_message_free (msg);
 256
 257 }
 258
 259 void
 260 OSCSelectObserver::send_trim_message (string path, boost::shared_ptr<Controllable> controllable)
 261 {
 262         lo_message msg = lo_message_new ();
 263
 264         lo_message_add_float (msg, (float) accurate_coefficient_to_dB (controllable->get_value()));
 265
 266         lo_send_message (addr, path.c_str(), msg);
 267         lo_message_free (msg);
 268 }
 269
 270 void
 271 OSCSelectObserver::send_gain_message (string path, boost::shared_ptr<Controllable> controllable)
 272 {
 273         lo_message msg = lo_message_new ();
 274
 275         if (gainmode) {
 276                 if (controllable->get_value() == 1) {
 277                         lo_message_add_int32 (msg, 800);
 278                 } else {
 279                         lo_message_add_int32 (msg, gain_to_slider_position (controllable->get_value()) * 1023);
 280                 }
 281         } else {
 282                 if (controllable->get_value() < 1e-15) {
 283                         lo_message_add_float (msg, -200);
 284                 } else {
 285                         lo_message_add_float (msg, accurate_coefficient_to_dB (controllable->get_value()));
 286                 }
 287         }
 288
 289         lo_send_message (addr, path.c_str(), msg);
 290         lo_message_free (msg);
 291 }
 292
 293 string
 294 OSCSelectObserver::set_path (string path)
 295 {
 296         if (feedback[2]) {
 297   ostringstream os;
 298   os << path << "/" << ssid;
 299   path = os.str();
 300         }
 301         return path;
 302 }
 303
 304 void
 305 OSCSelectObserver::clear_strip (string path, float val)
 306 {
 307         lo_message msg = lo_message_new ();
 308         lo_message_add_float (msg, val);
 309
 310         lo_send_message (addr, path.c_str(), msg);
 311         lo_message_free (msg);
 312
 313 }
 314