433 lines
12 KiB
C++
433 lines
12 KiB
C++
/*
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Copyright (C) 2002 Paul Davis
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <limits.h>
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#include "ardour/meter.h"
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#include <gtkmm2ext/utils.h>
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#include <gtkmm2ext/fastmeter.h>
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#include <gtkmm2ext/barcontroller.h>
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#include "midi++/manager.h"
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#include "pbd/fastlog.h"
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#include "ardour_ui.h"
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#include "global_signals.h"
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#include "level_meter.h"
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#include "utils.h"
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#include "logmeter.h"
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#include "gui_thread.h"
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#include "keyboard.h"
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#include "public_editor.h"
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#include "i18n.h"
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using namespace ARDOUR;
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using namespace PBD;
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using namespace Gtkmm2ext;
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using namespace Gtk;
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using namespace std;
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LevelMeter::LevelMeter (Session* s)
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: _meter (0)
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, meter_length (0)
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, thin_meter_width(2)
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{
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set_session (s);
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set_spacing (1);
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Config->ParameterChanged.connect (_parameter_connection, invalidator (*this), boost::bind (&LevelMeter::parameter_changed, this, _1), gui_context());
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UI::instance()->theme_changed.connect (sigc::mem_fun(*this, &LevelMeter::on_theme_changed));
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ColorsChanged.connect (sigc::mem_fun (*this, &LevelMeter::color_handler));
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max_peak = minus_infinity();
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meter_type = MeterPeak;
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}
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void
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LevelMeter::on_theme_changed()
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{
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style_changed = true;
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}
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LevelMeter::~LevelMeter ()
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{
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for (vector<MeterInfo>::iterator i = meters.begin(); i != meters.end(); i++) {
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delete (*i).meter;
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}
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}
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void
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LevelMeter::set_meter (PeakMeter* meter)
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{
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_configuration_connection.disconnect();
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_meter_type_connection.disconnect();
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_meter = meter;
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if (_meter) {
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_meter->ConfigurationChanged.connect (_configuration_connection, invalidator (*this), boost::bind (&LevelMeter::configuration_changed, this, _1, _2), gui_context());
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_meter->TypeChanged.connect (_meter_type_connection, invalidator (*this), boost::bind (&LevelMeter::meter_type_changed, this, _1), gui_context());
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}
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}
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static float meter_lineup(float offset) {
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switch (Config->get_meter_line_up_level()) {
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case MeteringLineUp24:
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return offset + 6.0;
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case MeteringLineUp20:
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return offset + 2.0;
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case MeteringLineUp18:
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return offset;
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case MeteringLineUp15:
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return offset - 3.0;
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default:
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break;
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}
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return offset;
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}
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static float vu_standard() {
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// note - default meter config is +2dB (france)
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switch (Config->get_meter_vu_standard()) {
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default:
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case MeteringVUfrench: // 0VU = -2dBu
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return 0;
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case MeteringVUamerican: // 0VU = 0dBu
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return -2;
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case MeteringVUstandard: // 0VU = +4dBu
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return -6;
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case MeteringVUeight: // 0VU = +8dBu
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return -10;
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}
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}
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float
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LevelMeter::update_meters ()
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{
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vector<MeterInfo>::iterator i;
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uint32_t n;
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if (!_meter) {
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return 0.0f;
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}
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uint32_t nmidi = _meter->input_streams().n_midi();
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for (n = 0, i = meters.begin(); i != meters.end(); ++i, ++n) {
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if ((*i).packed) {
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const float mpeak = _meter->meter_level(n, MeterMaxPeak);
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if (mpeak > (*i).max_peak) {
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(*i).max_peak = mpeak;
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(*i).meter->set_highlight(mpeak > Config->get_meter_peak());
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}
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if (mpeak > max_peak) {
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max_peak = mpeak;
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}
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if (n < nmidi) {
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(*i).meter->set (_meter->meter_level (n, MeterPeak));
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} else {
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const float peak = _meter->meter_level (n, meter_type);
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if (meter_type == MeterPeak) {
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(*i).meter->set (log_meter (peak));
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} else if (meter_type == MeterIEC1NOR) {
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(*i).meter->set (meter_deflect_nordic (peak + meter_lineup(0)));
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} else if (meter_type == MeterIEC1DIN) {
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(*i).meter->set (meter_deflect_din (peak + meter_lineup(3.0)));
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} else if (meter_type == MeterIEC2BBC || meter_type == MeterIEC2EBU) {
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(*i).meter->set (meter_deflect_ppm (peak + meter_lineup(0)));
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} else if (meter_type == MeterVU) {
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(*i).meter->set (meter_deflect_vu (peak + vu_standard() + meter_lineup(0)));
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} else if (meter_type == MeterK14) {
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(*i).meter->set (meter_deflect_k (peak, 14), meter_deflect_k(_meter->meter_level(n, MeterPeak), 14));
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} else if (meter_type == MeterK20) {
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(*i).meter->set (meter_deflect_k (peak, 20), meter_deflect_k(_meter->meter_level(n, MeterPeak), 20));
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} else { // RMS
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(*i).meter->set (log_meter (peak), log_meter(_meter->meter_level(n, MeterPeak)));
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}
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}
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}
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}
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return max_peak;
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}
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void
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LevelMeter::parameter_changed (string p)
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{
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ENSURE_GUI_THREAD (*this, &LevelMeter::parameter_changed, p)
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if (p == "meter-hold") {
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vector<MeterInfo>::iterator i;
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uint32_t n;
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for (n = 0, i = meters.begin(); i != meters.end(); ++i, ++n) {
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(*i).meter->set_hold_count ((uint32_t) floor(Config->get_meter_hold()));
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}
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}
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else if (p == "meter-line-up-level") {
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color_changed = true;
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setup_meters (meter_length, regular_meter_width, thin_meter_width);
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}
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else if (p == "meter-peak") {
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vector<MeterInfo>::iterator i;
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uint32_t n;
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for (n = 0, i = meters.begin(); i != meters.end(); ++i, ++n) {
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(*i).max_peak = minus_infinity();
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}
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}
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}
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void
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LevelMeter::configuration_changed (ChanCount /*in*/, ChanCount /*out*/)
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{
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color_changed = true;
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setup_meters (meter_length, regular_meter_width, thin_meter_width);
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}
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void
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LevelMeter::meter_type_changed (MeterType t)
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{
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meter_type = t;
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color_changed = true;
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setup_meters (meter_length, regular_meter_width, thin_meter_width);
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MeterTypeChanged(t);
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}
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void
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LevelMeter::hide_all_meters ()
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{
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for (vector<MeterInfo>::iterator i = meters.begin(); i != meters.end(); ++i) {
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if ((*i).packed) {
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remove (*((*i).meter));
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(*i).packed = false;
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}
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}
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}
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void
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LevelMeter::setup_meters (int len, int initial_width, int thin_width)
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{
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hide_all_meters ();
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if (!_meter) {
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return; /* do it later or never */
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}
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int32_t nmidi = _meter->input_streams().n_midi();
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uint32_t nmeters = _meter->input_streams().n_total();
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regular_meter_width = initial_width;
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thin_meter_width = thin_width;
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meter_length = len;
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guint16 width;
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if (nmeters == 0) {
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return;
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}
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if (nmeters <= 2) {
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width = regular_meter_width;
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} else {
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width = thin_meter_width;
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}
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while (meters.size() < nmeters) {
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meters.push_back (MeterInfo());
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}
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//cerr << "LevelMeter::setup_meters() called color_changed = " << color_changed << " colors: " << endl;//DEBUG
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for (int32_t n = nmeters-1; nmeters && n >= 0 ; --n) {
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uint32_t c[10];
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uint32_t b[4];
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float stp[4];
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int styleflags = 3;
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b[0] = ARDOUR_UI::config()->canvasvar_MeterBackgroundBot.get();
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b[1] = ARDOUR_UI::config()->canvasvar_MeterBackgroundTop.get();
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b[2] = 0x991122ff; // red highlight gradient Bot
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b[3] = 0x551111ff; // red highlight gradient Top
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if (n < nmidi) {
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c[0] = ARDOUR_UI::config()->get_canvasvar_MidiMeterColor0();
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c[1] = ARDOUR_UI::config()->get_canvasvar_MidiMeterColor1();
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c[2] = ARDOUR_UI::config()->get_canvasvar_MidiMeterColor2();
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c[3] = ARDOUR_UI::config()->get_canvasvar_MidiMeterColor3();
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c[4] = ARDOUR_UI::config()->get_canvasvar_MidiMeterColor4();
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c[5] = ARDOUR_UI::config()->get_canvasvar_MidiMeterColor5();
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c[6] = ARDOUR_UI::config()->get_canvasvar_MidiMeterColor6();
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c[7] = ARDOUR_UI::config()->get_canvasvar_MidiMeterColor7();
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c[8] = ARDOUR_UI::config()->get_canvasvar_MidiMeterColor8();
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c[9] = ARDOUR_UI::config()->get_canvasvar_MidiMeterColor9();
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stp[0] = 115.0 * 32.0 / 128.0;
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stp[1] = 115.0 * 64.0 / 128.0;
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stp[2] = 115.0 * 100.0 / 128.0;
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stp[3] = 115.0 * 112.0 / 128.0;
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} else {
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c[0] = ARDOUR_UI::config()->get_canvasvar_MeterColor0();
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c[1] = ARDOUR_UI::config()->get_canvasvar_MeterColor1();
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c[2] = ARDOUR_UI::config()->get_canvasvar_MeterColor2();
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c[3] = ARDOUR_UI::config()->get_canvasvar_MeterColor3();
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c[4] = ARDOUR_UI::config()->get_canvasvar_MeterColor4();
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c[5] = ARDOUR_UI::config()->get_canvasvar_MeterColor5();
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c[6] = ARDOUR_UI::config()->get_canvasvar_MeterColor6();
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c[7] = ARDOUR_UI::config()->get_canvasvar_MeterColor7();
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c[8] = ARDOUR_UI::config()->get_canvasvar_MeterColor8();
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c[9] = ARDOUR_UI::config()->get_canvasvar_MeterColor9();
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switch (meter_type) {
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case MeterK20:
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stp[0] = 115.0 * meter_deflect_k(-40, 20); //-20
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stp[1] = 115.0 * meter_deflect_k(-20, 20); // 0
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stp[2] = 115.0 * meter_deflect_k(-18, 20); // +2
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stp[3] = 115.0 * meter_deflect_k(-16, 20); // +4
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c[0] = c[1] = 0x008800ff;
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c[2] = c[3] = 0x00ff00ff;
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c[4] = c[5] = 0xffff00ff;
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c[6] = c[7] = 0xffff00ff;
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c[8] = c[9] = 0xff0000ff;
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break;
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case MeterK14:
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stp[0] = 115.0 * meter_deflect_k(-34, 14); //-20
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stp[1] = 115.0 * meter_deflect_k(-14, 14); // 0
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stp[2] = 115.0 * meter_deflect_k(-12, 14); // +2
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stp[3] = 115.0 * meter_deflect_k(-10, 14); // +4
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c[0] = c[1] = 0x008800ff;
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c[2] = c[3] = 0x00ff00ff;
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c[4] = c[5] = 0xffff00ff;
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c[6] = c[7] = 0xffff00ff;
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c[8] = c[9] = 0xff0000ff;
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break;
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case MeterIEC2EBU:
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case MeterIEC2BBC:
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stp[0] = 115.0 * meter_deflect_ppm(-18);
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stp[1] = 115.0 * meter_deflect_ppm(-14);
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stp[2] = 115.0 * meter_deflect_ppm(-10);
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stp[3] = 115.0 * meter_deflect_ppm( -8);
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break;
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case MeterIEC1NOR:
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stp[0] = 115.0 * meter_deflect_nordic(-18);
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stp[1] = 115.0 * meter_deflect_nordic(-15);
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stp[2] = 115.0 * meter_deflect_nordic(-12);
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stp[3] = 115.0 * meter_deflect_nordic( -9);
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break;
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case MeterIEC1DIN:
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stp[0] = 115.0 * meter_deflect_din(-29);
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stp[1] = 115.0 * meter_deflect_din(-18);
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stp[2] = 115.0 * meter_deflect_din(-15);
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stp[3] = 115.0 * meter_deflect_din( -9);
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break;
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case MeterVU:
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stp[0] = 115.0 * meter_deflect_vu(-26); // -6
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stp[1] = 115.0 * meter_deflect_vu(-23); // -3
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stp[2] = 115.0 * meter_deflect_vu(-20); // 0
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stp[3] = 115.0 * meter_deflect_vu(-18); // +2
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styleflags = 1;
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break;
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default: // PEAK, RMS
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stp[1] = 77.5; // 115 * log_meter(-10)
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stp[2] = 92.5; // 115 * log_meter(-3)
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stp[3] = 100.0; // 115 * log_meter(0)
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switch (Config->get_meter_line_up_level()) {
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case MeteringLineUp24:
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stp[0] = 42.0;
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break;
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case MeteringLineUp20:
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stp[0] = 50.0;
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break;
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default:
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case MeteringLineUp18:
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stp[0] = 55.0;
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break;
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case MeteringLineUp15:
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stp[0] = 62.5;
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break;
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}
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}
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}
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if (meters[n].width != width || meters[n].length != len || color_changed || meter_type != visible_meter_type) {
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delete meters[n].meter;
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meters[n].meter = new FastMeter ((uint32_t) floor (Config->get_meter_hold()), width, FastMeter::Vertical, len,
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c[0], c[1], c[2], c[3], c[4],
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c[5], c[6], c[7], c[8], c[9],
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b[0], b[1], b[2], b[3],
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stp[0], stp[1], stp[2], stp[3],
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styleflags
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);
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meters[n].width = width;
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meters[n].length = len;
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meters[n].meter->add_events (Gdk::BUTTON_PRESS_MASK | Gdk::BUTTON_RELEASE_MASK);
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meters[n].meter->signal_button_press_event().connect (sigc::mem_fun (*this, &LevelMeter::meter_button_press));
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meters[n].meter->signal_button_release_event().connect (sigc::mem_fun (*this, &LevelMeter::meter_button_release));
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}
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pack_end (*meters[n].meter, false, false);
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meters[n].meter->show_all ();
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meters[n].packed = true;
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}
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show();
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color_changed = false;
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visible_meter_type = meter_type;
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}
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void
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LevelMeter::set_type(MeterType t)
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{
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meter_type = t;
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_meter->set_type(t);
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}
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bool
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LevelMeter::meter_button_press (GdkEventButton* ev)
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{
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return ButtonPress (ev); /* EMIT SIGNAL */
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}
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bool
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LevelMeter::meter_button_release (GdkEventButton* ev)
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{
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if (ev->button == 1) {
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clear_meters (false);
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}
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return true;
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}
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void LevelMeter::clear_meters (bool reset_highlight)
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{
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for (vector<MeterInfo>::iterator i = meters.begin(); i < meters.end(); i++) {
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(*i).meter->clear();
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(*i).max_peak = minus_infinity();
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if (reset_highlight)
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(*i).meter->set_highlight(false);
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}
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max_peak = minus_infinity();
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}
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void LevelMeter::hide_meters ()
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{
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hide_all_meters();
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}
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void
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LevelMeter::color_handler ()
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{
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color_changed = true;
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}
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