2 Copyright (C) 2002 Paul Davis
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.
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.
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.
22 #include "ardour/meter.h"
24 #include <gtkmm2ext/utils.h>
25 #include "pbd/fastlog.h"
27 #include "ardour_ui.h"
28 #include "global_signals.h"
29 #include "level_meter.h"
32 #include "gui_thread.h"
34 #include "public_editor.h"
38 using namespace ARDOUR;
39 using namespace ARDOUR_UI_UTILS;
41 using namespace Gtkmm2ext;
45 LevelMeterBase::LevelMeterBase (Session* s, PBD::EventLoop::InvalidationRecord* ir, FastMeter::Orientation o)
46 : parent_invalidator(ir)
48 , _meter_orientation(o)
49 , regular_meter_width (6)
52 , max_peak (minus_infinity())
53 , meter_type (MeterPeak)
54 , color_changed (false)
58 Config->ParameterChanged.connect (_parameter_connection, parent_invalidator, boost::bind (&LevelMeterBase::parameter_changed, this, _1), gui_context());
59 ARDOUR_UI::config()->ParameterChanged.connect (sigc::mem_fun(*this, &LevelMeterBase::parameter_changed));
60 ColorsChanged.connect (sigc::mem_fun (*this, &LevelMeterBase::color_handler));
63 LevelMeterBase::~LevelMeterBase ()
65 _configuration_connection.disconnect();
66 _meter_type_connection.disconnect();
67 _parameter_connection.disconnect();
68 for (vector<MeterInfo>::iterator i = meters.begin(); i != meters.end(); i++) {
75 LevelMeterBase::set_meter (PeakMeter* meter)
77 _configuration_connection.disconnect();
78 _meter_type_connection.disconnect();
84 _meter->ConfigurationChanged.connect (_configuration_connection, parent_invalidator, boost::bind (&LevelMeterBase::configuration_changed, this, _1, _2), gui_context());
85 _meter->TypeChanged.connect (_meter_type_connection, parent_invalidator, boost::bind (&LevelMeterBase::meter_type_changed, this, _1), gui_context());
89 static float meter_lineup_cfg(MeterLineUp lul, float offset) {
91 case MeteringLineUp24:
93 case MeteringLineUp20:
95 case MeteringLineUp18:
97 case MeteringLineUp15:
105 static float meter_lineup(float offset) {
106 return meter_lineup_cfg (ARDOUR_UI::config()->get_meter_line_up_level(), offset);
109 static float vu_standard() {
110 // note - default meter config is +2dB (france)
111 switch (ARDOUR_UI::config()->get_meter_vu_standard()) {
113 case MeteringVUfrench: // 0VU = -2dBu
115 case MeteringVUamerican: // 0VU = 0dBu
117 case MeteringVUstandard: // 0VU = +4dBu
119 case MeteringVUeight: // 0VU = +8dBu
125 LevelMeterBase::update_meters ()
127 vector<MeterInfo>::iterator i;
134 uint32_t nmidi = _meter->input_streams().n_midi();
136 for (n = 0, i = meters.begin(); i != meters.end(); ++i, ++n) {
138 const float mpeak = _meter->meter_level(n, MeterMaxPeak);
139 if (mpeak > (*i).max_peak) {
140 (*i).max_peak = mpeak;
141 (*i).meter->set_highlight(mpeak >= ARDOUR_UI::config()->get_meter_peak());
143 if (mpeak > max_peak) {
148 (*i).meter->set (_meter->meter_level (n, MeterPeak));
150 const float peak = _meter->meter_level (n, meter_type);
151 if (meter_type == MeterPeak) {
152 (*i).meter->set (log_meter (peak));
153 } else if (meter_type == MeterIEC1NOR) {
154 (*i).meter->set (meter_deflect_nordic (peak + meter_lineup(0)));
155 } else if (meter_type == MeterIEC1DIN) {
156 (*i).meter->set (meter_deflect_din (peak + meter_lineup_cfg(ARDOUR_UI::config()->get_meter_line_up_din(), 3.0)));
157 } else if (meter_type == MeterIEC2BBC || meter_type == MeterIEC2EBU) {
158 (*i).meter->set (meter_deflect_ppm (peak + meter_lineup(0)));
159 } else if (meter_type == MeterVU) {
160 (*i).meter->set (meter_deflect_vu (peak + vu_standard() + meter_lineup(0)));
161 } else if (meter_type == MeterK12) {
162 (*i).meter->set (meter_deflect_k (peak, 12), meter_deflect_k(_meter->meter_level(n, MeterPeak), 12));
163 } else if (meter_type == MeterK14) {
164 (*i).meter->set (meter_deflect_k (peak, 14), meter_deflect_k(_meter->meter_level(n, MeterPeak), 14));
165 } else if (meter_type == MeterK20) {
166 (*i).meter->set (meter_deflect_k (peak, 20), meter_deflect_k(_meter->meter_level(n, MeterPeak), 20));
168 (*i).meter->set (log_meter (peak), log_meter(_meter->meter_level(n, MeterPeak)));
177 LevelMeterBase::parameter_changed (string p)
179 ENSURE_GUI_THREAD (*this, &LevelMeterBase::parameter_changed, p)
181 if (p == "meter-hold") {
182 vector<MeterInfo>::iterator i;
185 for (n = 0, i = meters.begin(); i != meters.end(); ++i, ++n) {
186 (*i).meter->set_hold_count ((uint32_t) floor(ARDOUR_UI::config()->get_meter_hold()));
189 else if (p == "meter-line-up-level") {
190 color_changed = true;
191 setup_meters (meter_length, regular_meter_width, thin_meter_width);
193 else if (p == "meter-style-led") {
194 color_changed = true;
195 setup_meters (meter_length, regular_meter_width, thin_meter_width);
197 else if (p == "meter-peak") {
198 vector<MeterInfo>::iterator i;
201 for (n = 0, i = meters.begin(); i != meters.end(); ++i, ++n) {
202 (*i).max_peak = minus_infinity();
208 LevelMeterBase::configuration_changed (ChanCount /*in*/, ChanCount /*out*/)
210 color_changed = true;
211 setup_meters (meter_length, regular_meter_width, thin_meter_width);
215 LevelMeterBase::meter_type_changed (MeterType t)
218 color_changed = true;
219 setup_meters (meter_length, regular_meter_width, thin_meter_width);
224 LevelMeterBase::hide_all_meters ()
226 for (vector<MeterInfo>::iterator i = meters.begin(); i != meters.end(); ++i) {
228 mtr_remove (*((*i).meter));
235 LevelMeterBase::setup_meters (int len, int initial_width, int thin_width)
238 return; /* do it later or never */
241 int32_t nmidi = _meter->input_streams().n_midi();
242 uint32_t nmeters = _meter->input_streams().n_total();
243 regular_meter_width = initial_width;
244 thin_meter_width = thin_width;
254 width = regular_meter_width;
256 width = thin_meter_width;
259 while (meters.size() < nmeters) {
260 meters.push_back (MeterInfo());
263 //cerr << "LevelMeterBase::setup_meters() called color_changed = " << color_changed << " colors: " << endl;//DEBUG
265 for (int32_t n = nmeters-1; nmeters && n >= 0 ; --n) {
269 int styleflags = ARDOUR_UI::config()->get_meter_style_led() ? 3 : 1;
270 b[0] = ARDOUR_UI::config()->color ("meter background bottom");
271 b[1] = ARDOUR_UI::config()->color ("meter background top");
272 b[2] = 0x991122ff; // red highlight gradient Bot
273 b[3] = 0x551111ff; // red highlight gradient Top
275 c[0] = ARDOUR_UI::config()->color ("midi meter color0");
276 c[1] = ARDOUR_UI::config()->color ("midi meter color1");
277 c[2] = ARDOUR_UI::config()->color ("midi meter color2");
278 c[3] = ARDOUR_UI::config()->color ("midi meter color3");
279 c[4] = ARDOUR_UI::config()->color ("midi meter color4");
280 c[5] = ARDOUR_UI::config()->color ("midi meter color5");
281 c[6] = ARDOUR_UI::config()->color ("midi meter color6");
282 c[7] = ARDOUR_UI::config()->color ("midi meter color7");
283 c[8] = ARDOUR_UI::config()->color ("midi meter color8");
284 c[9] = ARDOUR_UI::config()->color ("midi meter color9");
285 stp[0] = 115.0 * 32.0 / 128.0;
286 stp[1] = 115.0 * 64.0 / 128.0;
287 stp[2] = 115.0 * 100.0 / 128.0;
288 stp[3] = 115.0 * 112.0 / 128.0;
290 c[0] = ARDOUR_UI::config()->color ("meter color0");
291 c[1] = ARDOUR_UI::config()->color ("meter color1");
292 c[2] = ARDOUR_UI::config()->color ("meter color2");
293 c[3] = ARDOUR_UI::config()->color ("meter color3");
294 c[4] = ARDOUR_UI::config()->color ("meter color4");
295 c[5] = ARDOUR_UI::config()->color ("meter color5");
296 c[6] = ARDOUR_UI::config()->color ("meter color6");
297 c[7] = ARDOUR_UI::config()->color ("meter color7");
298 c[8] = ARDOUR_UI::config()->color ("meter color8");
299 c[9] = ARDOUR_UI::config()->color ("meter color9");
301 switch (meter_type) {
303 stp[0] = 115.0 * meter_deflect_k(-40, 20); //-20
304 stp[1] = 115.0 * meter_deflect_k(-20, 20); // 0
305 stp[2] = 115.0 * meter_deflect_k(-18, 20); // +2
306 stp[3] = 115.0 * meter_deflect_k(-16, 20); // +4
307 c[0] = c[1] = 0x008800ff;
308 c[2] = c[3] = 0x00ff00ff;
309 c[4] = c[5] = 0xffff00ff;
310 c[6] = c[7] = 0xffff00ff;
311 c[8] = c[9] = 0xff0000ff;
314 stp[0] = 115.0 * meter_deflect_k(-34, 14); //-20
315 stp[1] = 115.0 * meter_deflect_k(-14, 14); // 0
316 stp[2] = 115.0 * meter_deflect_k(-12, 14); // +2
317 stp[3] = 115.0 * meter_deflect_k(-10, 14); // +4
318 c[0] = c[1] = 0x008800ff;
319 c[2] = c[3] = 0x00ff00ff;
320 c[4] = c[5] = 0xffff00ff;
321 c[6] = c[7] = 0xffff00ff;
322 c[8] = c[9] = 0xff0000ff;
325 stp[0] = 115.0 * meter_deflect_k(-32, 12); //-20
326 stp[1] = 115.0 * meter_deflect_k(-12, 12); // 0
327 stp[2] = 115.0 * meter_deflect_k(-10, 12); // +2
328 stp[3] = 115.0 * meter_deflect_k( -8, 12); // +4
329 c[0] = c[1] = 0x008800ff;
330 c[2] = c[3] = 0x00ff00ff;
331 c[4] = c[5] = 0xffff00ff;
332 c[6] = c[7] = 0xffff00ff;
333 c[8] = c[9] = 0xff0000ff;
336 c[0] = c[1] = c[2] = c[3] = c[4] = c[5] = c[6] = c[7] = c[8] = c[9] =
337 ARDOUR_UI::config()->color ("meter color BBC");
338 stp[0] = stp[1] = stp[2] = stp[3] = 115.0;
341 stp[0] = 115.0 * meter_deflect_ppm(-24); // ignored
342 stp[1] = 115.0 * meter_deflect_ppm(-18);
343 stp[2] = 115.0 * meter_deflect_ppm( -9);
344 stp[3] = 115.0 * meter_deflect_ppm( 0); // ignored
346 c[6] = c[7] = c[8] = c[9];
349 stp[0] = 115.0 * meter_deflect_nordic(-30); // ignored
350 stp[1] = 115.0 * meter_deflect_nordic(-18);
351 stp[2] = 115.0 * meter_deflect_nordic(-12);
352 stp[3] = 115.0 * meter_deflect_nordic( -9); // ignored
353 c[0] = c[1] = c[2]; // bright-green
354 c[6] = c[7] = c[8] = c[9];
357 stp[0] = 115.0 * meter_deflect_din(-29); // ignored
358 stp[1] = 115.0 * meter_deflect_din(-18);
359 stp[2] = 115.0 * meter_deflect_din(-15); // ignored
360 stp[3] = 115.0 * meter_deflect_din( -9);
361 c[0] = c[2] = c[3] = c[1];
366 stp[0] = 115.0 * meter_deflect_vu(-26); // -6
367 stp[1] = 115.0 * meter_deflect_vu(-23); // -3
368 stp[2] = 115.0 * meter_deflect_vu(-20); // 0
369 stp[3] = 115.0 * meter_deflect_vu(-18); // +2
370 c[0] = c[2] = c[3] = c[4] = c[5] = c[1];
371 c[7] = c[8] = c[9] = c[6];
373 default: // PEAK, RMS
374 stp[1] = 77.5; // 115 * log_meter(-10)
375 stp[2] = 92.5; // 115 * log_meter(-3)
376 stp[3] = 100.0; // 115 * log_meter(0)
377 switch (ARDOUR_UI::config()->get_meter_line_up_level()) {
378 case MeteringLineUp24:
381 case MeteringLineUp20:
385 case MeteringLineUp18:
388 case MeteringLineUp15:
394 if (meters[n].width != width || meters[n].length != len || color_changed || meter_type != visible_meter_type) {
395 bool hl = meters[n].meter ? meters[n].meter->get_highlight() : false;
397 if (meters[n].meter && meters[n].meter->get_parent()) {
398 mtr_remove (*meters[n].meter);
399 meters[n].packed = false;
400 delete meters[n].meter;
403 meters[n].meter = new FastMeter ((uint32_t) floor (ARDOUR_UI::config()->get_meter_hold()), width, _meter_orientation, len,
404 c[0], c[1], c[2], c[3], c[4],
405 c[5], c[6], c[7], c[8], c[9],
406 b[0], b[1], b[2], b[3],
407 stp[0], stp[1], stp[2], stp[3],
410 meters[n].meter->set_highlight(hl);
411 meters[n].width = width;
412 meters[n].length = len;
413 meters[n].meter->add_events (Gdk::BUTTON_PRESS_MASK | Gdk::BUTTON_RELEASE_MASK);
414 meters[n].meter->signal_button_press_event().connect (sigc::mem_fun (*this, &LevelMeterBase::meter_button_press), false);
415 meters[n].meter->signal_button_release_event().connect (sigc::mem_fun (*this, &LevelMeterBase::meter_button_release), false);
417 mtr_pack (*meters[n].meter);
418 meters[n].meter->show_all ();
419 meters[n].packed = true;
423 color_changed = false;
424 visible_meter_type = meter_type;
428 LevelMeterBase::set_type(MeterType t)
435 LevelMeterBase::meter_button_press (GdkEventButton* ev)
437 return !!ButtonPress (ev); /* EMIT SIGNAL */
441 LevelMeterBase::meter_button_release (GdkEventButton* ev)
443 if (ev->button == 1) {
444 clear_meters (false);
452 void LevelMeterBase::clear_meters (bool reset_highlight)
454 for (vector<MeterInfo>::iterator i = meters.begin(); i < meters.end(); i++) {
456 (*i).max_peak = minus_infinity();
458 (*i).meter->set_highlight(false);
460 max_peak = minus_infinity();
463 void LevelMeterBase::hide_meters ()
469 LevelMeterBase::color_handler ()
471 color_changed = true;
472 setup_meters (meter_length, regular_meter_width, thin_meter_width);
475 LevelMeterHBox::LevelMeterHBox(Session* s)
476 : LevelMeterBase(s, invalidator(*this))
483 LevelMeterHBox::~LevelMeterHBox() {}
486 LevelMeterHBox::mtr_pack(Gtk::Widget &w) {
487 pack_end (w, false, false);
491 LevelMeterHBox::mtr_remove(Gtk::Widget &w) {
496 LevelMeterVBox::LevelMeterVBox(Session* s)
497 : LevelMeterBase(s, invalidator(*this), FastMeter::Horizontal)
502 LevelMeterVBox::~LevelMeterVBox() {}
505 LevelMeterVBox::mtr_pack(Gtk::Widget &w) {
506 pack_end (w, false, false);
510 LevelMeterVBox::mtr_remove(Gtk::Widget &w) {