libs/surfaces/push2/level_meter.cc

   1 /*
   2   Copyright (C) 2002 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 <limits.h>
  21
  22 #include "ardour/meter.h"
  23 #include "ardour/logmeter.h"
  24 #include "ardour/rc_configuration.h"
  25
  26 #include <gtkmm2ext/utils.h>
  27 #include <gtkmm2ext/gui_thread.h>
  28
  29 #include "pbd/fastlog.h"
  30 #include "pbd/i18n.h"
  31
  32 #include "canvas/box.h"
  33 #include "canvas/meter.h"
  34
  35 #include "level_meter.h"
  36 #include "push2.h"
  37
  38 using namespace ARDOUR;
  39 using namespace PBD;
  40 using namespace Gtkmm2ext;
  41 using namespace std;
  42 using namespace ArdourSurface;
  43 using namespace ArdourCanvas;
  44
  45 LevelMeter::LevelMeter (Push2& p, Item* parent, int len, Meter::Orientation o)
  46         : Container (parent)
  47         , p2 (p)
  48         , _meter (0)
  49         , _meter_orientation(o)
  50         , regular_meter_width (6)
  51         , meter_length (len)
  52         , thin_meter_width(2)
  53         , max_peak (minus_infinity())
  54         , meter_type (MeterPeak)
  55         , visible_meter_type (MeterType(0))
  56         , midi_count (0)
  57         , meter_count (0)
  58         , max_visible_meters (0)
  59 {
  60         Config->ParameterChanged.connect (_parameter_connection, invalidator(*this), boost::bind (&LevelMeter::parameter_changed, this, _1), &p2);
  61
  62         if (_meter_orientation == Meter::Vertical) {
  63                 meter_packer = new HBox (this);
  64         } else {
  65                 meter_packer = new VBox (this);
  66         }
  67
  68         meter_packer->set_collapse_on_hide (true);
  69 }
  70
  71 LevelMeter::~LevelMeter ()
  72 {
  73         _configuration_connection.disconnect();
  74         _meter_type_connection.disconnect();
  75         _parameter_connection.disconnect();
  76         for (vector<MeterInfo>::iterator i = meters.begin(); i != meters.end(); i++) {
  77                 delete (*i).meter;
  78         }
  79         meters.clear();
  80 }
  81
  82 void
  83 LevelMeter::set_meter (PeakMeter* meter)
  84 {
  85         _configuration_connection.disconnect();
  86         _meter_type_connection.disconnect();
  87
  88         _meter = meter;
  89
  90         if (_meter) {
  91                 _meter->ConfigurationChanged.connect (_configuration_connection, invalidator(*this), boost::bind (&LevelMeter::configuration_changed, this, _1, _2), &p2);
  92                 _meter->TypeChanged.connect (_meter_type_connection, invalidator (*this), boost::bind (&LevelMeter::meter_type_changed, this, _1), &p2);
  93         }
  94
  95         setup_meters (meter_length, regular_meter_width, thin_meter_width);
  96 }
  97
  98 static float meter_lineup_cfg(MeterLineUp lul, float offset) {
  99         switch (lul) {
 100                 case MeteringLineUp24:
 101                         return offset + 6.0;
 102                 case MeteringLineUp20:
 103                         return offset + 2.0;
 104                 case MeteringLineUp18:
 105                         return offset;
 106                 case MeteringLineUp15:
 107                         return offset - 3.0;
 108                 default:
 109                         break;
 110         }
 111         return offset;
 112 }
 113
 114 static float meter_lineup(float offset) {
 115         return meter_lineup_cfg (MeteringLineUp24, offset);
 116         //return meter_lineup_cfg (UIConfiguration::instance().get_meter_line_up_level(), offset);
 117 }
 118
 119 static float vu_standard() {
 120         return 0;
 121 #if 0
 122         // note - default meter config is +2dB (france)
 123         switch (UIConfiguration::instance().get_meter_vu_standard()) {
 124                 default:
 125                 case MeteringVUfrench:   // 0VU = -2dBu
 126                         return 0;
 127                 case MeteringVUamerican: // 0VU =  0dBu
 128                         return -2;
 129                 case MeteringVUstandard: // 0VU = +4dBu
 130                         return -6;
 131                 case MeteringVUeight:    // 0VU = +8dBu
 132                         return -10;
 133         }
 134 #endif
 135 }
 136
 137 float
 138 LevelMeter::update_meters ()
 139 {
 140         vector<MeterInfo>::iterator i;
 141         uint32_t n;
 142
 143         if (!_meter) {
 144                 return 0.0f;
 145         }
 146
 147         uint32_t nmidi = _meter->input_streams().n_midi();
 148
 149         for (n = 0, i = meters.begin(); i != meters.end(); ++i, ++n) {
 150                 if ((*i).packed) {
 151                         const float mpeak = _meter->meter_level(n, MeterMaxPeak);
 152                         if (mpeak > (*i).max_peak) {
 153                                 (*i).max_peak = mpeak;
 154                                 //(*i).meter->set_highlight(mpeak >= UIConfiguration::instance().get_meter_peak());
 155                                 (*i).meter->set_highlight (mpeak >= 2.0);
 156                         }
 157                         if (mpeak > max_peak) {
 158                                 max_peak = mpeak;
 159                         }
 160
 161                         if (n < nmidi) {
 162                                 (*i).meter->set (_meter->meter_level (n, MeterPeak));
 163                         } else {
 164                                 const float peak = _meter->meter_level (n, meter_type);
 165                                 if (meter_type == MeterPeak) {
 166                                         (*i).meter->set (log_meter (peak));
 167                                 } else if (meter_type == MeterPeak0dB) {
 168                                         (*i).meter->set (log_meter0dB (peak));
 169                                 } else if (meter_type == MeterIEC1NOR) {
 170                                         (*i).meter->set (meter_deflect_nordic (peak + meter_lineup(0)));
 171                                 } else if (meter_type == MeterIEC1DIN) {
 172                                         // (*i).meter->set (meter_deflect_din (peak + meter_lineup_cfg(UIConfiguration::instance().get_meter_line_up_din(), 3.0)));
 173                                 } else if (meter_type == MeterIEC2BBC || meter_type == MeterIEC2EBU) {
 174                                         (*i).meter->set (meter_deflect_ppm (peak + meter_lineup(0)));
 175                                 } else if (meter_type == MeterVU) {
 176                                         (*i).meter->set (meter_deflect_vu (peak + vu_standard() + meter_lineup(0)));
 177                                 } else if (meter_type == MeterK12) {
 178                                         (*i).meter->set (meter_deflect_k (peak, 12), meter_deflect_k(_meter->meter_level(n, MeterPeak), 12));
 179                                 } else if (meter_type == MeterK14) {
 180                                         (*i).meter->set (meter_deflect_k (peak, 14), meter_deflect_k(_meter->meter_level(n, MeterPeak), 14));
 181                                 } else if (meter_type == MeterK20) {
 182                                         (*i).meter->set (meter_deflect_k (peak, 20), meter_deflect_k(_meter->meter_level(n, MeterPeak), 20));
 183                                 } else { // RMS
 184                                         (*i).meter->set (log_meter (peak), log_meter(_meter->meter_level(n, MeterPeak)));
 185                                 }
 186                         }
 187                 }
 188         }
 189         return max_peak;
 190 }
 191
 192 void
 193 LevelMeter::parameter_changed (string p)
 194 {
 195         if (p == "meter-hold") {
 196                 vector<MeterInfo>::iterator i;
 197                 uint32_t n;
 198
 199                 for (n = 0, i = meters.begin(); i != meters.end(); ++i, ++n) {
 200                         //(*i).meter->set_hold_count ((uint32_t) floor(UIConfiguration::instance().get_meter_hold()));
 201                         (*i).meter->set_hold_count (20);
 202                 }
 203         }
 204         else if (p == "meter-line-up-level") {
 205                 setup_meters (meter_length, regular_meter_width, thin_meter_width);
 206         }
 207         else if (p == "meter-style-led") {
 208                 setup_meters (meter_length, regular_meter_width, thin_meter_width);
 209         }
 210         else if (p == "meter-peak") {
 211                 vector<MeterInfo>::iterator i;
 212                 uint32_t n;
 213
 214                 for (n = 0, i = meters.begin(); i != meters.end(); ++i, ++n) {
 215                         (*i).max_peak = minus_infinity();
 216                 }
 217         }
 218 }
 219
 220 void
 221 LevelMeter::configuration_changed (ChanCount /*in*/, ChanCount /*out*/)
 222 {
 223         setup_meters (meter_length, regular_meter_width, thin_meter_width);
 224 }
 225
 226 void
 227 LevelMeter::meter_type_changed (MeterType t)
 228 {
 229         meter_type = t;
 230         setup_meters (meter_length, regular_meter_width, thin_meter_width);
 231 }
 232
 233 void
 234 LevelMeter::hide_all_meters ()
 235 {
 236         for (vector<MeterInfo>::iterator i = meters.begin(); i != meters.end(); ++i) {
 237                 if ((*i).packed) {
 238                         meter_packer->remove ((*i).meter);
 239                         (*i).packed = false;
 240                 }
 241         }
 242         meter_count = 0;
 243 }
 244
 245 void
 246 LevelMeter::set_max_audio_meter_count (uint32_t cnt)
 247 {
 248         if (cnt == max_visible_meters) {
 249                 return;
 250         }
 251         max_visible_meters = cnt;
 252         setup_meters (meter_length, regular_meter_width, thin_meter_width);
 253 }
 254
 255 void
 256 LevelMeter::setup_meters (int len, int initial_width, int thin_width)
 257 {
 258
 259         if (!_meter) {
 260                 hide_all_meters ();
 261                 return; /* do it later or never */
 262         }
 263
 264         uint32_t nmidi = _meter->input_streams().n_midi();
 265         uint32_t nmeters = _meter->input_streams().n_total();
 266         regular_meter_width = initial_width;
 267         thin_meter_width = thin_width;
 268         meter_length = len;
 269
 270         guint16 width;
 271
 272         if (nmeters == 0) {
 273                 hide_all_meters ();
 274                 return;
 275         }
 276
 277         if (nmeters <= 2) {
 278                 width = regular_meter_width;
 279         } else {
 280                 width = thin_meter_width;
 281         }
 282
 283         if (   meters.size() > 0
 284             && nmidi == midi_count
 285             && nmeters == meter_count
 286             && meters[0].width == width
 287             && meters[0].length == len
 288             && meter_type == visible_meter_type) {
 289                 return;
 290         }
 291
 292 #if 0
 293         printf("Meter redraw: %s %s %s %s %s %s\n",
 294                         (meters.size() > 0) ? "yes" : "no",
 295                         (meters.size() > 0 &&  meters[0].width == width) ? "yes" : "no",
 296                         (meters.size() > 0 &&  meters[0].length == len) ? "yes" : "no",
 297                         (nmeters == meter_count) ? "yes" : "no",
 298                         (meter_type == visible_meter_type) ? "yes" : "no",
 299                         !color_changed ? "yes" : "no"
 300                         );
 301 #endif
 302
 303         hide_all_meters ();
 304         while (meters.size() < nmeters) {
 305                 meters.push_back (MeterInfo());
 306         }
 307
 308         //cerr << "LevelMeter::setup_meters() called color_changed = " << color_changed << " colors: " << endl;//DEBUG
 309
 310         for (int32_t n = nmeters-1; nmeters && n >= 0 ; --n) {
 311 #if 0
 312                 uint32_t c[10];
 313                 uint32_t b[4];
 314                 float stp[4];
 315                 int styleflags = UIConfiguration::instance().get_meter_style_led() ? 3 : 1;
 316                 b[0] = UIConfiguration::instance().color ("meter background bottom");
 317                 b[1] = UIConfiguration::instance().color ("meter background top");
 318                 b[2] = 0x991122ff; // red highlight gradient Bot
 319                 b[3] = 0x551111ff; // red highlight gradient Top
 320                 if ((uint32_t) n < nmidi) {
 321                         c[0] = UIConfiguration::instance().color ("midi meter color0");
 322                         c[1] = UIConfiguration::instance().color ("midi meter color1");
 323                         c[2] = UIConfiguration::instance().color ("midi meter color2");
 324                         c[3] = UIConfiguration::instance().color ("midi meter color3");
 325                         c[4] = UIConfiguration::instance().color ("midi meter color4");
 326                         c[5] = UIConfiguration::instance().color ("midi meter color5");
 327                         c[6] = UIConfiguration::instance().color ("midi meter color6");
 328                         c[7] = UIConfiguration::instance().color ("midi meter color7");
 329                         c[8] = UIConfiguration::instance().color ("midi meter color8");
 330                         c[9] = UIConfiguration::instance().color ("midi meter color9");
 331                         stp[0] = 115.0 *  32.0 / 128.0;
 332                         stp[1] = 115.0 *  64.0 / 128.0;
 333                         stp[2] = 115.0 * 100.0 / 128.0;
 334                         stp[3] = 115.0 * 112.0 / 128.0;
 335                 } else {
 336                         c[0] = UIConfiguration::instance().color ("meter color0");
 337                         c[1] = UIConfiguration::instance().color ("meter color1");
 338                         c[2] = UIConfiguration::instance().color ("meter color2");
 339                         c[3] = UIConfiguration::instance().color ("meter color3");
 340                         c[4] = UIConfiguration::instance().color ("meter color4");
 341                         c[5] = UIConfiguration::instance().color ("meter color5");
 342                         c[6] = UIConfiguration::instance().color ("meter color6");
 343                         c[7] = UIConfiguration::instance().color ("meter color7");
 344                         c[8] = UIConfiguration::instance().color ("meter color8");
 345                         c[9] = UIConfiguration::instance().color ("meter color9");
 346
 347                         switch (meter_type) {
 348                                 case MeterK20:
 349                                         stp[0] = 115.0 * meter_deflect_k(-40, 20);  //-20
 350                                         stp[1] = 115.0 * meter_deflect_k(-20, 20);  //  0
 351                                         stp[2] = 115.0 * meter_deflect_k(-18, 20);  // +2
 352                                         stp[3] = 115.0 * meter_deflect_k(-16, 20);  // +4
 353                                         c[0] = c[1] = 0x008800ff;
 354                                         c[2] = c[3] = 0x00ff00ff;
 355                                         c[4] = c[5] = 0xffff00ff;
 356                                         c[6] = c[7] = 0xffff00ff;
 357                                         c[8] = c[9] = 0xff0000ff;
 358                                         break;
 359                                 case MeterK14:
 360                                         stp[0] = 115.0 * meter_deflect_k(-34, 14);  //-20
 361                                         stp[1] = 115.0 * meter_deflect_k(-14, 14);  //  0
 362                                         stp[2] = 115.0 * meter_deflect_k(-12, 14);  // +2
 363                                         stp[3] = 115.0 * meter_deflect_k(-10, 14);  // +4
 364                                         c[0] = c[1] = 0x008800ff;
 365                                         c[2] = c[3] = 0x00ff00ff;
 366                                         c[4] = c[5] = 0xffff00ff;
 367                                         c[6] = c[7] = 0xffff00ff;
 368                                         c[8] = c[9] = 0xff0000ff;
 369                                         break;
 370                                 case MeterK12:
 371                                         stp[0] = 115.0 * meter_deflect_k(-32, 12);  //-20
 372                                         stp[1] = 115.0 * meter_deflect_k(-12, 12);  //  0
 373                                         stp[2] = 115.0 * meter_deflect_k(-10, 12);  // +2
 374                                         stp[3] = 115.0 * meter_deflect_k( -8, 12);  // +4
 375                                         c[0] = c[1] = 0x008800ff;
 376                                         c[2] = c[3] = 0x00ff00ff;
 377                                         c[4] = c[5] = 0xffff00ff;
 378                                         c[6] = c[7] = 0xffff00ff;
 379                                         c[8] = c[9] = 0xff0000ff;
 380                                         break;
 381                                 case MeterIEC2BBC:
 382                                         c[0] = c[1] = c[2] = c[3] = c[4] = c[5] = c[6] = c[7] = c[8] = c[9] =
 383                                                 UIConfiguration::instance().color ("meter color BBC");
 384                                         stp[0] = stp[1] = stp[2] = stp[3] = 115.0;
 385                                         break;
 386                                 case MeterIEC2EBU:
 387                                         stp[0] = 115.0 * meter_deflect_ppm(-24); // ignored
 388                                         stp[1] = 115.0 * meter_deflect_ppm(-18);
 389                                         stp[2] = 115.0 * meter_deflect_ppm( -9);
 390                                         stp[3] = 115.0 * meter_deflect_ppm(  0); // ignored
 391                                         c[3] = c[2] = c[1];
 392                                         c[6] = c[7] = c[8] = c[9];
 393                                         break;
 394                                 case MeterIEC1NOR:
 395                                         stp[0] = 115.0 * meter_deflect_nordic(-30); // ignored
 396                                         stp[1] = 115.0 * meter_deflect_nordic(-18);
 397                                         stp[2] = 115.0 * meter_deflect_nordic(-12);
 398                                         stp[3] = 115.0 * meter_deflect_nordic( -9); // ignored
 399                                         c[0] = c[1] = c[2]; // bright-green
 400                                         c[6] = c[7] = c[8] = c[9];
 401                                         break;
 402                                 case MeterIEC1DIN:
 403                                         stp[0] = 115.0 * meter_deflect_din(-29); // ignored
 404                                         stp[1] = 115.0 * meter_deflect_din(-18);
 405                                         stp[2] = 115.0 * meter_deflect_din(-15); // ignored
 406                                         stp[3] = 115.0 * meter_deflect_din( -9);
 407                                         c[0] = c[2] = c[3] = c[1];
 408                                         c[4] = c[6];
 409                                         c[5] = c[7];
 410                                         break;
 411                                 case MeterVU:
 412                                         stp[0] = 115.0 * meter_deflect_vu(-26); // -6
 413                                         stp[1] = 115.0 * meter_deflect_vu(-23); // -3
 414                                         stp[2] = 115.0 * meter_deflect_vu(-20); // 0
 415                                         stp[3] = 115.0 * meter_deflect_vu(-18); // +2
 416                                         c[0] = c[2] = c[3] = c[4] = c[5] = c[1];
 417                                         c[7] = c[8] = c[9] = c[6];
 418                                         break;
 419                                 case MeterPeak0dB:
 420                                          stp[1] =  89.125; // 115.0 * log_meter0dB(-9);
 421                                          stp[2] = 106.375; // 115.0 * log_meter0dB(-3);
 422                                          stp[3] = 115.0;   // 115.0 * log_meter0dB(0);
 423                                         switch (UIConfiguration::instance().get_meter_line_up_level()) {
 424                                         case MeteringLineUp24:
 425                                                 stp[0] = 115.0 * log_meter0dB(-24);
 426                                                 break;
 427                                         case MeteringLineUp20:
 428                                                 stp[0] = 115.0 * log_meter0dB(-20);
 429                                                 break;
 430                                         default:
 431                                         case MeteringLineUp18:
 432                                                 stp[0] = 115.0 * log_meter0dB(-18);
 433                                                 break;
 434                                         case MeteringLineUp15:
 435                                                 stp[0] = 115.0 * log_meter0dB(-15);
 436                                         }
 437                                         break;
 438                                 default: // PEAK, RMS
 439                                         stp[1] = 77.5;  // 115 * log_meter(-9)
 440                                         stp[2] = 92.5;  // 115 * log_meter(-3)
 441                                         stp[3] = 100.0; // 115 * log_meter(0)
 442                                         switch (UIConfiguration::instance().get_meter_line_up_level()) {
 443                                         case MeteringLineUp24:
 444                                                 stp[0] = 42.0;
 445                                                 break;
 446                                         case MeteringLineUp20:
 447                                                 stp[0] = 50.0;
 448                                                 break;
 449                                         default:
 450                                         case MeteringLineUp18:
 451                                                 stp[0] = 55.0;
 452                                                 break;
 453                                         case MeteringLineUp15:
 454                                                 stp[0] = 62.5;
 455                                                 break;
 456                                 }
 457                         }
 458                 }
 459
 460 #endif
 461                 if (meters[n].width != width || meters[n].length != len || meter_type != visible_meter_type || nmidi != midi_count) {
 462                         bool hl = meters[n].meter ? meters[n].meter->get_highlight() : false;
 463                         meters[n].packed = false;
 464                         delete meters[n].meter;
 465                         meters[n].meter = new Meter (this->canvas(), 32, width, _meter_orientation, len);
 466                         meters[n].meter->set_highlight(hl);
 467                         meters[n].width = width;
 468                         meters[n].length = len;
 469                 }
 470
 471                 meter_packer->pack_start (meters[n].meter);
 472                 meters[n].packed = true;
 473                 if (max_visible_meters == 0 || (uint32_t) n < max_visible_meters + nmidi) {
 474                         meters[n].meter->show ();
 475                 } else {
 476                         meters[n].meter->hide ();
 477                 }
 478         }
 479
 480         visible_meter_type = meter_type;
 481         midi_count = nmidi;
 482         meter_count = nmeters;
 483 }
 484
 485 void
 486 LevelMeter::set_type(MeterType t)
 487 {
 488         meter_type = t;
 489         _meter->set_type(t);
 490 }
 491
 492 void LevelMeter::clear_meters (bool reset_highlight)
 493 {
 494         for (vector<MeterInfo>::iterator i = meters.begin(); i < meters.end(); i++) {
 495                 (*i).meter->clear();
 496                 (*i).max_peak = minus_infinity();
 497                 if (reset_highlight)
 498                         (*i).meter->set_highlight(false);
 499         }
 500         max_peak = minus_infinity();
 501 }
 502
 503 void LevelMeter::hide_meters ()
 504 {
 505         hide_all_meters();
 506 }