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();
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(Config->get_meter_line_up_level(), offset);
109 static float vu_standard() {
110 // note - default meter config is +2dB (france)
111 switch (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 >= 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(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(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)
240 return; /* do it later or never */
243 int32_t nmidi = _meter->input_streams().n_midi();
244 uint32_t nmeters = _meter->input_streams().n_total();
245 regular_meter_width = initial_width;
246 thin_meter_width = thin_width;
256 width = regular_meter_width;
258 width = thin_meter_width;
261 while (meters.size() < nmeters) {
262 meters.push_back (MeterInfo());
265 //cerr << "LevelMeterBase::setup_meters() called color_changed = " << color_changed << " colors: " << endl;//DEBUG
267 for (int32_t n = nmeters-1; nmeters && n >= 0 ; --n) {
271 int styleflags = Config->get_meter_style_led() ? 3 : 1;
272 b[0] = ARDOUR_UI::config()->get_canvasvar_MeterBackgroundBot();
273 b[1] = ARDOUR_UI::config()->get_canvasvar_MeterBackgroundTop();
274 b[2] = 0x991122ff; // red highlight gradient Bot
275 b[3] = 0x551111ff; // red highlight gradient Top
277 c[0] = ARDOUR_UI::config()->get_canvasvar_MidiMeterColor0();
278 c[1] = ARDOUR_UI::config()->get_canvasvar_MidiMeterColor1();
279 c[2] = ARDOUR_UI::config()->get_canvasvar_MidiMeterColor2();
280 c[3] = ARDOUR_UI::config()->get_canvasvar_MidiMeterColor3();
281 c[4] = ARDOUR_UI::config()->get_canvasvar_MidiMeterColor4();
282 c[5] = ARDOUR_UI::config()->get_canvasvar_MidiMeterColor5();
283 c[6] = ARDOUR_UI::config()->get_canvasvar_MidiMeterColor6();
284 c[7] = ARDOUR_UI::config()->get_canvasvar_MidiMeterColor7();
285 c[8] = ARDOUR_UI::config()->get_canvasvar_MidiMeterColor8();
286 c[9] = ARDOUR_UI::config()->get_canvasvar_MidiMeterColor9();
287 stp[0] = 115.0 * 32.0 / 128.0;
288 stp[1] = 115.0 * 64.0 / 128.0;
289 stp[2] = 115.0 * 100.0 / 128.0;
290 stp[3] = 115.0 * 112.0 / 128.0;
292 c[0] = ARDOUR_UI::config()->get_canvasvar_MeterColor0();
293 c[1] = ARDOUR_UI::config()->get_canvasvar_MeterColor1();
294 c[2] = ARDOUR_UI::config()->get_canvasvar_MeterColor2();
295 c[3] = ARDOUR_UI::config()->get_canvasvar_MeterColor3();
296 c[4] = ARDOUR_UI::config()->get_canvasvar_MeterColor4();
297 c[5] = ARDOUR_UI::config()->get_canvasvar_MeterColor5();
298 c[6] = ARDOUR_UI::config()->get_canvasvar_MeterColor6();
299 c[7] = ARDOUR_UI::config()->get_canvasvar_MeterColor7();
300 c[8] = ARDOUR_UI::config()->get_canvasvar_MeterColor8();
301 c[9] = ARDOUR_UI::config()->get_canvasvar_MeterColor9();
303 switch (meter_type) {
305 stp[0] = 115.0 * meter_deflect_k(-40, 20); //-20
306 stp[1] = 115.0 * meter_deflect_k(-20, 20); // 0
307 stp[2] = 115.0 * meter_deflect_k(-18, 20); // +2
308 stp[3] = 115.0 * meter_deflect_k(-16, 20); // +4
309 c[0] = c[1] = 0x008800ff;
310 c[2] = c[3] = 0x00ff00ff;
311 c[4] = c[5] = 0xffff00ff;
312 c[6] = c[7] = 0xffff00ff;
313 c[8] = c[9] = 0xff0000ff;
316 stp[0] = 115.0 * meter_deflect_k(-34, 14); //-20
317 stp[1] = 115.0 * meter_deflect_k(-14, 14); // 0
318 stp[2] = 115.0 * meter_deflect_k(-12, 14); // +2
319 stp[3] = 115.0 * meter_deflect_k(-10, 14); // +4
320 c[0] = c[1] = 0x008800ff;
321 c[2] = c[3] = 0x00ff00ff;
322 c[4] = c[5] = 0xffff00ff;
323 c[6] = c[7] = 0xffff00ff;
324 c[8] = c[9] = 0xff0000ff;
327 stp[0] = 115.0 * meter_deflect_k(-32, 12); //-20
328 stp[1] = 115.0 * meter_deflect_k(-12, 12); // 0
329 stp[2] = 115.0 * meter_deflect_k(-10, 12); // +2
330 stp[3] = 115.0 * meter_deflect_k( -8, 12); // +4
331 c[0] = c[1] = 0x008800ff;
332 c[2] = c[3] = 0x00ff00ff;
333 c[4] = c[5] = 0xffff00ff;
334 c[6] = c[7] = 0xffff00ff;
335 c[8] = c[9] = 0xff0000ff;
338 c[0] = c[1] = c[2] = c[3] = c[4] = c[5] = c[6] = c[7] = c[8] = c[9] =
339 ARDOUR_UI::config()->color_by_name ("meter color BBC");
340 stp[0] = stp[1] = stp[2] = stp[3] = 115.0;
343 stp[0] = 115.0 * meter_deflect_ppm(-24); // ignored
344 stp[1] = 115.0 * meter_deflect_ppm(-18);
345 stp[2] = 115.0 * meter_deflect_ppm( -9);
346 stp[3] = 115.0 * meter_deflect_ppm( 0); // ignored
348 c[6] = c[7] = c[8] = c[9];
351 stp[0] = 115.0 * meter_deflect_nordic(-30); // ignored
352 stp[1] = 115.0 * meter_deflect_nordic(-18);
353 stp[2] = 115.0 * meter_deflect_nordic(-12);
354 stp[3] = 115.0 * meter_deflect_nordic( -9); // ignored
355 //c[2] = c[3] = c[1]; // dark-green
356 c[0] = c[1] = c[2]; // bright-green
357 c[6] = c[7] = c[8] = c[9];
360 stp[0] = 115.0 * meter_deflect_din(-29); // ignored
361 stp[1] = 115.0 * meter_deflect_din(-18);
362 stp[2] = 115.0 * meter_deflect_din(-15); // ignored
363 stp[3] = 115.0 * meter_deflect_din( -9);
364 c[0] = c[1] = c[2] = c[3] = 0x00aa00ff;
369 stp[0] = 115.0 * meter_deflect_vu(-26); // -6
370 stp[1] = 115.0 * meter_deflect_vu(-23); // -3
371 stp[2] = 115.0 * meter_deflect_vu(-20); // 0
372 stp[3] = 115.0 * meter_deflect_vu(-18); // +2
373 c[0] = c[1] = c[2] = c[3] = c[4] = c[5] = 0x00aa00ff;
374 c[6] = c[7] = c[8] = c[9] = 0xff8800ff;
376 default: // PEAK, RMS
377 stp[1] = 77.5; // 115 * log_meter(-10)
378 stp[2] = 92.5; // 115 * log_meter(-3)
379 stp[3] = 100.0; // 115 * log_meter(0)
380 switch (Config->get_meter_line_up_level()) {
381 case MeteringLineUp24:
384 case MeteringLineUp20:
388 case MeteringLineUp18:
391 case MeteringLineUp15:
397 if (meters[n].width != width || meters[n].length != len || color_changed || meter_type != visible_meter_type) {
398 bool hl = meters[n].meter ? meters[n].meter->get_highlight() : false;
399 meters[n].packed = false;
400 delete meters[n].meter;
401 meters[n].meter = new FastMeter ((uint32_t) floor (Config->get_meter_hold()), width, _meter_orientation, len,
402 c[0], c[1], c[2], c[3], c[4],
403 c[5], c[6], c[7], c[8], c[9],
404 b[0], b[1], b[2], b[3],
405 stp[0], stp[1], stp[2], stp[3],
408 meters[n].meter->set_highlight(hl);
409 meters[n].width = width;
410 meters[n].length = len;
411 meters[n].meter->add_events (Gdk::BUTTON_PRESS_MASK | Gdk::BUTTON_RELEASE_MASK);
412 meters[n].meter->signal_button_press_event().connect (sigc::mem_fun (*this, &LevelMeterBase::meter_button_press));
413 meters[n].meter->signal_button_release_event().connect (sigc::mem_fun (*this, &LevelMeterBase::meter_button_release));
416 //pack_end (*meters[n].meter, false, false);
417 mtr_pack (*meters[n].meter);
418 meters[n].meter->show_all ();
419 meters[n].packed = true;
422 color_changed = false;
423 visible_meter_type = meter_type;
427 LevelMeterBase::set_type(MeterType t)
434 LevelMeterBase::meter_button_press (GdkEventButton* ev)
436 return ButtonPress (ev); /* EMIT SIGNAL */
440 LevelMeterBase::meter_button_release (GdkEventButton* ev)
442 if (ev->button == 1) {
443 clear_meters (false);
451 void LevelMeterBase::clear_meters (bool reset_highlight)
453 for (vector<MeterInfo>::iterator i = meters.begin(); i < meters.end(); i++) {
455 (*i).max_peak = minus_infinity();
457 (*i).meter->set_highlight(false);
459 max_peak = minus_infinity();
462 void LevelMeterBase::hide_meters ()
468 LevelMeterBase::color_handler ()
470 color_changed = true;
471 setup_meters (meter_length, regular_meter_width, thin_meter_width);
474 LevelMeterHBox::LevelMeterHBox(Session* s)
475 : LevelMeterBase(s, invalidator(*this))
482 LevelMeterHBox::~LevelMeterHBox() {}
485 LevelMeterHBox::mtr_pack(Gtk::Widget &w) {
486 pack_end (w, false, false);
490 LevelMeterHBox::mtr_remove(Gtk::Widget &w) {
495 LevelMeterVBox::LevelMeterVBox(Session* s)
496 : LevelMeterBase(s, invalidator(*this), FastMeter::Horizontal)
501 LevelMeterVBox::~LevelMeterVBox() {}
504 LevelMeterVBox::mtr_pack(Gtk::Widget &w) {
505 pack_end (w, false, false);
509 LevelMeterVBox::mtr_remove(Gtk::Widget &w) {