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/io.h>
23 #include <ardour/route.h>
24 #include <ardour/route_group.h>
25 #include <ardour/session.h>
26 #include <ardour/session_route.h>
27 #include <ardour/dB.h>
28 #include <ardour/meter.h>
30 #include <gtkmm2ext/utils.h>
31 #include <gtkmm2ext/fastmeter.h>
32 #include <gtkmm2ext/stop_signal.h>
33 #include <gtkmm2ext/barcontroller.h>
34 #include <midi++/manager.h>
35 #include <pbd/fastlog.h>
37 #include "ardour_ui.h"
38 #include "level_meter.h"
41 #include "gui_thread.h"
43 #include "public_editor.h"
45 #include <ardour/session.h>
46 #include <ardour/route.h>
50 using namespace ARDOUR;
52 using namespace Gtkmm2ext;
57 //sigc::signal<void> LevelMeter::ResetAllPeakDisplays;
58 //sigc::signal<void,RouteGroup*> LevelMeter::ResetGroupPeakDisplays;
61 LevelMeter::LevelMeter (boost::shared_ptr<IO> io, Session& s)
67 Config->ParameterChanged.connect (mem_fun (*this, &LevelMeter::parameter_changed));
68 UI::instance()->theme_changed.connect (mem_fun(*this, &LevelMeter::on_theme_changed));
69 ColorsChanged.connect (mem_fun (*this, &LevelMeter::color_handler));
70 max_peak = minus_infinity();
74 LevelMeter::on_theme_changed()
79 LevelMeter::~LevelMeter ()
81 for (vector<MeterInfo>::iterator i = meters.begin(); i != meters.end(); i++) {
89 LevelMeter::update_meters ()
91 vector<MeterInfo>::iterator i;
95 for (n = 0, i = meters.begin(); i != meters.end(); ++i, ++n) {
97 peak = _io->peak_meter().peak_power (n);
98 (*i).meter->set (log_meter (peak));
99 mpeak = _io->peak_meter().max_peak_power(n);
100 if (mpeak > max_peak) {
103 if (mpeak > max_peak) {
112 LevelMeter::parameter_changed(const char* parameter_name)
114 #define PARAM_IS(x) (!strcmp (parameter_name, (x)))
116 ENSURE_GUI_THREAD (bind (mem_fun(*this, &LevelMeter::parameter_changed), parameter_name));
118 if (PARAM_IS ("meter-hold")) {
120 vector<MeterInfo>::iterator i;
123 for (n = 0, i = meters.begin(); i != meters.end(); ++i, ++n) {
125 (*i).meter->set_hold_count ((uint32_t) floor(Config->get_meter_hold()));
133 LevelMeter::hide_all_meters ()
136 for (vector<MeterInfo>::iterator i = meters.begin(); i != meters.end(); ++i) {
138 remove (*((*i).meter));
145 LevelMeter::setup_meters (int len, int initial_width)
147 uint32_t nmeters = _io->n_outputs().n_total();
148 regular_meter_width = initial_width;
156 if ((r = dynamic_cast<Route*> (_io.get())) != 0) {
158 switch (r->meter_point()) {
161 nmeters = r->n_inputs().n_total();
164 nmeters = r->n_outputs().n_total();
170 nmeters = _io->n_outputs().n_total();
179 width = regular_meter_width;
181 width = thin_meter_width;
184 while (meters.size() < nmeters) {
185 meters.push_back (MeterInfo());
189 int b = ARDOUR_UI::config()->canvasvar_MeterColorBase.get();
190 int m = ARDOUR_UI::config()->canvasvar_MeterColorMid.get();
191 int t = ARDOUR_UI::config()->canvasvar_MeterColorTop.get();
192 int c = ARDOUR_UI::config()->canvasvar_MeterColorClip.get();
194 //cerr << "LevelMeter::setup_meters() called color_changed = " << color_changed << " colors: " << endl;//DEBUG
196 for (int32_t n = nmeters-1; nmeters && n >= 0 ; --n) {
197 if (meters[n].width != width || meters[n].length != len || color_changed) {
198 delete meters[n].meter;
199 meters[n].meter = new FastMeter ((uint32_t) floor (Config->get_meter_hold()), width, FastMeter::Vertical, len, b, m, t, c);
200 //cerr << "LevelMeter::setup_meters() w:l = " << width << ":" << len << endl;//DEBUG
201 meters[n].width = width;
202 meters[n].length = len;
203 meters[n].meter->add_events (Gdk::BUTTON_RELEASE_MASK);
204 meters[n].meter->signal_button_release_event().connect (bind (mem_fun(*this, &LevelMeter::meter_button_release), n));
207 pack_end (*meters[n].meter, false, false);
208 meters[n].meter->show_all ();
209 meters[n].packed = true;
212 color_changed = false;
216 LevelMeter::meter_button_release (GdkEventButton* ev, uint32_t which)
218 if (ev->button == 1) {
225 void LevelMeter::clear_meters ()
227 for (vector<MeterInfo>::iterator i = meters.begin(); i < meters.end(); i++) {
230 max_peak = minus_infinity();
233 void LevelMeter::hide_meters ()
239 LevelMeter::color_handler ()
241 color_changed = true;