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 <gtkmm2ext/barcontroller.h>
26 #include "pbd/fastlog.h"
28 #include "ardour_ui.h"
29 #include "global_signals.h"
30 #include "level_meter.h"
33 #include "gui_thread.h"
35 #include "public_editor.h"
39 using namespace ARDOUR;
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)
54 Config->ParameterChanged.connect (_parameter_connection, parent_invalidator, boost::bind (&LevelMeterBase::parameter_changed, this, _1), gui_context());
55 UI::instance()->theme_changed.connect (sigc::mem_fun(*this, &LevelMeterBase::on_theme_changed));
56 ColorsChanged.connect (sigc::mem_fun (*this, &LevelMeterBase::color_handler));
57 max_peak = minus_infinity();
58 meter_type = MeterPeak;
62 LevelMeterBase::on_theme_changed()
67 LevelMeterBase::~LevelMeterBase ()
69 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();
83 _meter->ConfigurationChanged.connect (_configuration_connection, parent_invalidator, boost::bind (&LevelMeterBase::configuration_changed, this, _1, _2), gui_context());
84 _meter->TypeChanged.connect (_meter_type_connection, parent_invalidator, boost::bind (&LevelMeterBase::meter_type_changed, this, _1), gui_context());
88 static float meter_lineup_cfg(MeterLineUp lul, float offset) {
90 case MeteringLineUp24:
92 case MeteringLineUp20:
94 case MeteringLineUp18:
96 case MeteringLineUp15:
104 static float meter_lineup(float offset) {
105 return meter_lineup_cfg(Config->get_meter_line_up_level(), offset);
108 static float vu_standard() {
109 // note - default meter config is +2dB (france)
110 switch (Config->get_meter_vu_standard()) {
112 case MeteringVUfrench: // 0VU = -2dBu
114 case MeteringVUamerican: // 0VU = 0dBu
116 case MeteringVUstandard: // 0VU = +4dBu
118 case MeteringVUeight: // 0VU = +8dBu
124 LevelMeterBase::update_meters ()
126 vector<MeterInfo>::iterator i;
133 uint32_t nmidi = _meter->input_streams().n_midi();
135 for (n = 0, i = meters.begin(); i != meters.end(); ++i, ++n) {
137 const float mpeak = _meter->meter_level(n, MeterMaxPeak);
138 if (mpeak > (*i).max_peak) {
139 (*i).max_peak = mpeak;
140 (*i).meter->set_highlight(mpeak >= Config->get_meter_peak());
142 if (mpeak > max_peak) {
147 (*i).meter->set (_meter->meter_level (n, MeterPeak));
149 const float peak = _meter->meter_level (n, meter_type);
150 if (meter_type == MeterPeak) {
151 (*i).meter->set (log_meter (peak));
152 } else if (meter_type == MeterIEC1NOR) {
153 (*i).meter->set (meter_deflect_nordic (peak + meter_lineup(0)));
154 } else if (meter_type == MeterIEC1DIN) {
155 (*i).meter->set (meter_deflect_din (peak + meter_lineup_cfg(Config->get_meter_line_up_din(), 3.0)));
156 } else if (meter_type == MeterIEC2BBC || meter_type == MeterIEC2EBU) {
157 (*i).meter->set (meter_deflect_ppm (peak + meter_lineup(0)));
158 } else if (meter_type == MeterVU) {
159 (*i).meter->set (meter_deflect_vu (peak + vu_standard() + meter_lineup(0)));
160 } else if (meter_type == MeterK12) {
161 (*i).meter->set (meter_deflect_k (peak, 12), meter_deflect_k(_meter->meter_level(n, MeterPeak), 12));
162 } else if (meter_type == MeterK14) {
163 (*i).meter->set (meter_deflect_k (peak, 14), meter_deflect_k(_meter->meter_level(n, MeterPeak), 14));
164 } else if (meter_type == MeterK20) {
165 (*i).meter->set (meter_deflect_k (peak, 20), meter_deflect_k(_meter->meter_level(n, MeterPeak), 20));
167 (*i).meter->set (log_meter (peak), log_meter(_meter->meter_level(n, MeterPeak)));
176 LevelMeterBase::parameter_changed (string p)
178 ENSURE_GUI_THREAD (*this, &LevelMeterBase::parameter_changed, p)
180 if (p == "meter-hold") {
181 vector<MeterInfo>::iterator i;
184 for (n = 0, i = meters.begin(); i != meters.end(); ++i, ++n) {
185 (*i).meter->set_hold_count ((uint32_t) floor(Config->get_meter_hold()));
188 else if (p == "meter-line-up-level") {
189 color_changed = true;
190 setup_meters (meter_length, regular_meter_width, thin_meter_width);
192 else if (p == "meter-style-led") {
193 color_changed = true;
194 setup_meters (meter_length, regular_meter_width, thin_meter_width);
196 else if (p == "meter-peak") {
197 vector<MeterInfo>::iterator i;
200 for (n = 0, i = meters.begin(); i != meters.end(); ++i, ++n) {
201 (*i).max_peak = minus_infinity();
207 LevelMeterBase::configuration_changed (ChanCount /*in*/, ChanCount /*out*/)
209 color_changed = true;
210 setup_meters (meter_length, regular_meter_width, thin_meter_width);
214 LevelMeterBase::meter_type_changed (MeterType t)
217 color_changed = true;
218 setup_meters (meter_length, regular_meter_width, thin_meter_width);
223 LevelMeterBase::hide_all_meters ()
225 for (vector<MeterInfo>::iterator i = meters.begin(); i != meters.end(); ++i) {
227 mtr_remove (*((*i).meter));
234 LevelMeterBase::setup_meters (int len, int initial_width, int thin_width)
239 return; /* do it later or never */
242 int32_t nmidi = _meter->input_streams().n_midi();
243 uint32_t nmeters = _meter->input_streams().n_total();
244 regular_meter_width = initial_width;
245 thin_meter_width = thin_width;
255 width = regular_meter_width;
257 width = thin_meter_width;
260 while (meters.size() < nmeters) {
261 meters.push_back (MeterInfo());
264 //cerr << "LevelMeterBase::setup_meters() called color_changed = " << color_changed << " colors: " << endl;//DEBUG
266 for (int32_t n = nmeters-1; nmeters && n >= 0 ; --n) {
270 int styleflags = Config->get_meter_style_led() ? 3 : 1;
271 b[0] = ARDOUR_UI::config()->get_canvasvar_MeterBackgroundBot();
272 b[1] = ARDOUR_UI::config()->get_canvasvar_MeterBackgroundTop();
273 b[2] = 0x991122ff; // red highlight gradient Bot
274 b[3] = 0x551111ff; // red highlight gradient Top
276 c[0] = ARDOUR_UI::config()->get_canvasvar_MidiMeterColor0();
277 c[1] = ARDOUR_UI::config()->get_canvasvar_MidiMeterColor1();
278 c[2] = ARDOUR_UI::config()->get_canvasvar_MidiMeterColor2();
279 c[3] = ARDOUR_UI::config()->get_canvasvar_MidiMeterColor3();
280 c[4] = ARDOUR_UI::config()->get_canvasvar_MidiMeterColor4();
281 c[5] = ARDOUR_UI::config()->get_canvasvar_MidiMeterColor5();
282 c[6] = ARDOUR_UI::config()->get_canvasvar_MidiMeterColor6();
283 c[7] = ARDOUR_UI::config()->get_canvasvar_MidiMeterColor7();
284 c[8] = ARDOUR_UI::config()->get_canvasvar_MidiMeterColor8();
285 c[9] = ARDOUR_UI::config()->get_canvasvar_MidiMeterColor9();
286 stp[0] = 115.0 * 32.0 / 128.0;
287 stp[1] = 115.0 * 64.0 / 128.0;
288 stp[2] = 115.0 * 100.0 / 128.0;
289 stp[3] = 115.0 * 112.0 / 128.0;
291 c[0] = ARDOUR_UI::config()->get_canvasvar_MeterColor0();
292 c[1] = ARDOUR_UI::config()->get_canvasvar_MeterColor1();
293 c[2] = ARDOUR_UI::config()->get_canvasvar_MeterColor2();
294 c[3] = ARDOUR_UI::config()->get_canvasvar_MeterColor3();
295 c[4] = ARDOUR_UI::config()->get_canvasvar_MeterColor4();
296 c[5] = ARDOUR_UI::config()->get_canvasvar_MeterColor5();
297 c[6] = ARDOUR_UI::config()->get_canvasvar_MeterColor6();
298 c[7] = ARDOUR_UI::config()->get_canvasvar_MeterColor7();
299 c[8] = ARDOUR_UI::config()->get_canvasvar_MeterColor8();
300 c[9] = ARDOUR_UI::config()->get_canvasvar_MeterColor9();
302 switch (meter_type) {
304 stp[0] = 115.0 * meter_deflect_k(-40, 20); //-20
305 stp[1] = 115.0 * meter_deflect_k(-20, 20); // 0
306 stp[2] = 115.0 * meter_deflect_k(-18, 20); // +2
307 stp[3] = 115.0 * meter_deflect_k(-16, 20); // +4
308 c[0] = c[1] = 0x008800ff;
309 c[2] = c[3] = 0x00ff00ff;
310 c[4] = c[5] = 0xffff00ff;
311 c[6] = c[7] = 0xffff00ff;
312 c[8] = c[9] = 0xff0000ff;
315 stp[0] = 115.0 * meter_deflect_k(-34, 14); //-20
316 stp[1] = 115.0 * meter_deflect_k(-14, 14); // 0
317 stp[2] = 115.0 * meter_deflect_k(-12, 14); // +2
318 stp[3] = 115.0 * meter_deflect_k(-10, 14); // +4
319 c[0] = c[1] = 0x008800ff;
320 c[2] = c[3] = 0x00ff00ff;
321 c[4] = c[5] = 0xffff00ff;
322 c[6] = c[7] = 0xffff00ff;
323 c[8] = c[9] = 0xff0000ff;
326 stp[0] = 115.0 * meter_deflect_k(-32, 12); //-20
327 stp[1] = 115.0 * meter_deflect_k(-12, 12); // 0
328 stp[2] = 115.0 * meter_deflect_k(-10, 12); // +2
329 stp[3] = 115.0 * meter_deflect_k( -8, 12); // +4
330 c[0] = c[1] = 0x008800ff;
331 c[2] = c[3] = 0x00ff00ff;
332 c[4] = c[5] = 0xffff00ff;
333 c[6] = c[7] = 0xffff00ff;
334 c[8] = c[9] = 0xff0000ff;
337 c[0] = c[1] = c[2] = c[3] = c[4] = c[5] = c[6] = c[7] = c[8] = c[9] =
338 ARDOUR_UI::config()->color_by_name ("meter color BBC");
339 stp[0] = stp[1] = stp[2] = stp[3] = 115.0;
342 stp[0] = 115.0 * meter_deflect_ppm(-24); // ignored
343 stp[1] = 115.0 * meter_deflect_ppm(-18);
344 stp[2] = 115.0 * meter_deflect_ppm( -9);
345 stp[3] = 115.0 * meter_deflect_ppm( 0); // ignored
347 c[6] = c[7] = c[8] = c[9];
350 stp[0] = 115.0 * meter_deflect_nordic(-30); // ignored
351 stp[1] = 115.0 * meter_deflect_nordic(-18);
352 stp[2] = 115.0 * meter_deflect_nordic(-12);
353 stp[3] = 115.0 * meter_deflect_nordic( -9); // ignored
354 //c[2] = c[3] = c[1]; // dark-green
355 c[0] = c[1] = c[2]; // bright-green
356 c[6] = c[7] = c[8] = c[9];
359 stp[0] = 115.0 * meter_deflect_din(-29); // ignored
360 stp[1] = 115.0 * meter_deflect_din(-18);
361 stp[2] = 115.0 * meter_deflect_din(-15); // ignored
362 stp[3] = 115.0 * meter_deflect_din( -9);
363 c[0] = c[1] = c[2] = c[3] = 0x00aa00ff;
368 stp[0] = 115.0 * meter_deflect_vu(-26); // -6
369 stp[1] = 115.0 * meter_deflect_vu(-23); // -3
370 stp[2] = 115.0 * meter_deflect_vu(-20); // 0
371 stp[3] = 115.0 * meter_deflect_vu(-18); // +2
372 c[0] = c[1] = c[2] = c[3] = c[4] = c[5] = 0x00aa00ff;
373 c[6] = c[7] = c[8] = c[9] = 0xff8800ff;
375 default: // PEAK, RMS
376 stp[1] = 77.5; // 115 * log_meter(-10)
377 stp[2] = 92.5; // 115 * log_meter(-3)
378 stp[3] = 100.0; // 115 * log_meter(0)
379 switch (Config->get_meter_line_up_level()) {
380 case MeteringLineUp24:
383 case MeteringLineUp20:
387 case MeteringLineUp18:
390 case MeteringLineUp15:
396 if (meters[n].width != width || meters[n].length != len || color_changed || meter_type != visible_meter_type) {
397 bool hl = meters[n].meter ? meters[n].meter->get_highlight() : false;
398 meters[n].packed = false;
399 delete meters[n].meter;
400 meters[n].meter = new FastMeter ((uint32_t) floor (Config->get_meter_hold()), width, _meter_orientation, len,
401 c[0], c[1], c[2], c[3], c[4],
402 c[5], c[6], c[7], c[8], c[9],
403 b[0], b[1], b[2], b[3],
404 stp[0], stp[1], stp[2], stp[3],
407 meters[n].meter->set_highlight(hl);
408 meters[n].width = width;
409 meters[n].length = len;
410 meters[n].meter->add_events (Gdk::BUTTON_PRESS_MASK | Gdk::BUTTON_RELEASE_MASK);
411 meters[n].meter->signal_button_press_event().connect (sigc::mem_fun (*this, &LevelMeterBase::meter_button_press));
412 meters[n].meter->signal_button_release_event().connect (sigc::mem_fun (*this, &LevelMeterBase::meter_button_release));
415 //pack_end (*meters[n].meter, false, false);
416 mtr_pack (*meters[n].meter);
417 meters[n].meter->show_all ();
418 meters[n].packed = true;
421 color_changed = false;
422 visible_meter_type = meter_type;
426 LevelMeterBase::set_type(MeterType t)
433 LevelMeterBase::meter_button_press (GdkEventButton* ev)
435 return ButtonPress (ev); /* EMIT SIGNAL */
439 LevelMeterBase::meter_button_release (GdkEventButton* ev)
441 if (ev->button == 1) {
442 clear_meters (false);
450 void LevelMeterBase::clear_meters (bool reset_highlight)
452 for (vector<MeterInfo>::iterator i = meters.begin(); i < meters.end(); i++) {
454 (*i).max_peak = minus_infinity();
456 (*i).meter->set_highlight(false);
458 max_peak = minus_infinity();
461 void LevelMeterBase::hide_meters ()
467 LevelMeterBase::color_handler ()
469 color_changed = true;
470 setup_meters (meter_length, regular_meter_width, thin_meter_width);
473 LevelMeterHBox::LevelMeterHBox(Session* s)
474 : LevelMeterBase(s, invalidator(*this))
481 LevelMeterHBox::~LevelMeterHBox() {}
484 LevelMeterHBox::mtr_pack(Gtk::Widget &w) {
485 pack_end (w, false, false);
489 LevelMeterHBox::mtr_remove(Gtk::Widget &w) {
494 LevelMeterVBox::LevelMeterVBox(Session* s)
495 : LevelMeterBase(s, invalidator(*this), FastMeter::Horizontal)
500 LevelMeterVBox::~LevelMeterVBox() {}
503 LevelMeterVBox::mtr_pack(Gtk::Widget &w) {
504 pack_end (w, false, false);
508 LevelMeterVBox::mtr_remove(Gtk::Widget &w) {