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/session.h"
23 #include "ardour/session_route.h"
24 #include "ardour/dB.h"
25 #include "ardour/meter.h"
27 #include <gtkmm2ext/utils.h>
28 #include <gtkmm2ext/fastmeter.h>
29 #include <gtkmm2ext/stop_signal.h>
30 #include <gtkmm2ext/barcontroller.h>
31 #include "midi++/manager.h"
32 #include "pbd/fastlog.h"
34 #include "ardour_ui.h"
35 #include "level_meter.h"
38 #include "gui_thread.h"
40 #include "public_editor.h"
42 #include "ardour/session.h"
46 using namespace ARDOUR;
48 using namespace Gtkmm2ext;
53 //sigc::signal<void> LevelMeter::ResetAllPeakDisplays;
54 //sigc::signal<void,RouteGroup*> LevelMeter::ResetGroupPeakDisplays;
57 LevelMeter::LevelMeter (Session& s)
63 Config->ParameterChanged.connect (mem_fun (*this, &LevelMeter::parameter_changed));
64 UI::instance()->theme_changed.connect (mem_fun(*this, &LevelMeter::on_theme_changed));
65 ColorsChanged.connect (mem_fun (*this, &LevelMeter::color_handler));
66 max_peak = minus_infinity();
70 LevelMeter::on_theme_changed()
75 LevelMeter::~LevelMeter ()
77 for (vector<MeterInfo>::iterator i = meters.begin(); i != meters.end(); i++) {
83 LevelMeter::set_meter (PeakMeter* meter)
85 _configuration_connection.disconnect();
88 _configuration_connection = _meter->ConfigurationChanged.connect(
89 mem_fun(*this, &LevelMeter::configuration_changed));
94 LevelMeter::update_meters ()
96 vector<MeterInfo>::iterator i;
104 for (n = 0, i = meters.begin(); i != meters.end(); ++i, ++n) {
106 peak = _meter->peak_power (n);
107 (*i).meter->set (log_meter (peak));
108 mpeak = _meter->max_peak_power(n);
109 if (mpeak > max_peak) {
112 if (mpeak > max_peak) {
121 LevelMeter::parameter_changed (string p)
123 ENSURE_GUI_THREAD (bind (mem_fun(*this, &LevelMeter::parameter_changed), p));
125 if (p == "meter-hold") {
127 vector<MeterInfo>::iterator i;
130 for (n = 0, i = meters.begin(); i != meters.end(); ++i, ++n) {
132 (*i).meter->set_hold_count ((uint32_t) floor(Config->get_meter_hold()));
138 LevelMeter::configuration_changed(ChanCount in, ChanCount out)
140 color_changed = true;
141 setup_meters (meter_length, regular_meter_width);
145 LevelMeter::hide_all_meters ()
147 for (vector<MeterInfo>::iterator i = meters.begin(); i != meters.end(); ++i) {
149 remove (*((*i).meter));
156 LevelMeter::setup_meters (int len, int initial_width)
161 return; /* do it later or never */
164 int32_t nmidi = _meter->input_streams().n_midi();
165 uint32_t nmeters = _meter->input_streams().n_total();
166 regular_meter_width = initial_width;
176 width = regular_meter_width;
178 width = thin_meter_width;
181 while (meters.size() < nmeters) {
182 meters.push_back (MeterInfo());
185 //cerr << "LevelMeter::setup_meters() called color_changed = " << color_changed << " colors: " << endl;//DEBUG
187 for (int32_t n = nmeters-1; nmeters && n >= 0 ; --n) {
190 b = ARDOUR_UI::config()->canvasvar_MidiNoteMeterColorBase.get();
191 m = ARDOUR_UI::config()->canvasvar_MidiNoteMeterColorMid.get();
192 t = ARDOUR_UI::config()->canvasvar_MidiNoteMeterColorTop.get();
193 c = ARDOUR_UI::config()->canvasvar_MeterColorClip.get();
195 b = ARDOUR_UI::config()->canvasvar_MeterColorBase.get();
196 m = ARDOUR_UI::config()->canvasvar_MeterColorMid.get();
197 t = ARDOUR_UI::config()->canvasvar_MeterColorTop.get();
198 c = ARDOUR_UI::config()->canvasvar_MeterColorClip.get();
200 if (meters[n].width != width || meters[n].length != len || color_changed) {
201 delete meters[n].meter;
202 meters[n].meter = new FastMeter ((uint32_t) floor (Config->get_meter_hold()), width, FastMeter::Vertical, len, b, m, t, c);
203 //cerr << "LevelMeter::setup_meters() w:l = " << width << ":" << len << endl;//DEBUG
204 meters[n].width = width;
205 meters[n].length = len;
206 meters[n].meter->add_events (Gdk::BUTTON_RELEASE_MASK);
207 meters[n].meter->signal_button_release_event().connect (bind (mem_fun(*this, &LevelMeter::meter_button_release), n));
210 pack_end (*meters[n].meter, false, false);
211 meters[n].meter->show_all ();
212 meters[n].packed = true;
215 color_changed = false;
219 LevelMeter::meter_button_release (GdkEventButton* ev, uint32_t which)
221 if (ev->button == 1) {
228 void LevelMeter::clear_meters ()
230 for (vector<MeterInfo>::iterator i = meters.begin(); i < meters.end(); i++) {
233 max_peak = minus_infinity();
236 void LevelMeter::hide_meters ()
242 LevelMeter::color_handler ()
244 color_changed = true;