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livetrax/libs/surfaces/push2/level_meter.cc
David Robillard c4632da2e7 Push2: Drop "using namespace std" 
No functional changes, just makes some more context explicit like the previous
commit.
2022-08-26 14:10:40 -06:00

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/*
* Copyright (C) 2016 Paul Davis <paul@linuxaudiosystems.com>
* Copyright (C) 2019 Robin Gareus <robin@gareus.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <limits.h>
#include "ardour/meter.h"
#include "ardour/logmeter.h"
#include "ardour/rc_configuration.h"
#include <gtkmm2ext/utils.h>
#include <gtkmm2ext/gui_thread.h>
#include "pbd/fastlog.h"
#include "pbd/i18n.h"
#include "canvas/box.h"
#include "canvas/meter.h"
#include "level_meter.h"
#include "push2.h"
using namespace ARDOUR;
using namespace PBD;
using namespace Gtkmm2ext;
using namespace ArdourSurface;
using namespace ArdourCanvas;
LevelMeter::LevelMeter (Push2& p, Item* parent, int len, Meter::Orientation o)
: Container (parent)
, _p2 (p)
, _meter (0)
, _meter_orientation(o)
, _regular_meter_width (6)
, _meter_length (len)
, _thin_meter_width(2)
, _max_peak (minus_infinity())
, _visible_meter_type (MeterType(0))
, _midi_count (0)
, _meter_count (0)
, _max_visible_meters (0)
{
Config->ParameterChanged.connect (_parameter_connection, invalidator(*this), boost::bind (&LevelMeter::parameter_changed, this, _1), &_p2);
if (_meter_orientation == Meter::Vertical) {
_meter_packer = new HBox (_canvas);
} else {
_meter_packer = new VBox (_canvas);
}
_meter_packer->set_collapse_on_hide (true);
}
LevelMeter::~LevelMeter ()
{
_configuration_connection.disconnect();
_meter_type_connection.disconnect();
_parameter_connection.disconnect();
for (std::vector<MeterInfo>::iterator i = _meters.begin(); i != _meters.end(); ++i) {
delete (*i).meter;
}
_meters.clear();
}
void
LevelMeter::set_meter (PeakMeter* meter)
{
_configuration_connection.disconnect();
_meter_type_connection.disconnect();
_meter = meter;
if (_meter) {
_meter->ConfigurationChanged.connect (_configuration_connection, invalidator(*this), boost::bind (&LevelMeter::configuration_changed, this, _1, _2), &_p2);
_meter->MeterTypeChanged.connect (_meter_type_connection, invalidator (*this), boost::bind (&LevelMeter::meter_type_changed, this, _1), &_p2);
}
setup_meters (_meter_length, _regular_meter_width, _thin_meter_width);
}
static float meter_lineup_cfg(MeterLineUp lul, float offset) {
switch (lul) {
case MeteringLineUp24:
return offset + 6.0;
case MeteringLineUp20:
return offset + 2.0;
case MeteringLineUp18:
return offset;
case MeteringLineUp15:
return offset - 3.0;
default:
break;
}
return offset;
}
static float meter_lineup(float offset) {
return meter_lineup_cfg (MeteringLineUp24, offset);
//return meter_lineup_cfg (UIConfiguration::instance().get_meter_line_up_level(), offset);
}
static float vu_standard() {
return 0;
#if 0
// note - default meter config is +2dB (france)
switch (UIConfiguration::instance().get_meter_vu_standard()) {
default:
case MeteringVUfrench: // 0VU = -2dBu
return 0;
case MeteringVUamerican: // 0VU = 0dBu
return -2;
case MeteringVUstandard: // 0VU = +4dBu
return -6;
case MeteringVUeight: // 0VU = +8dBu
return -10;
}
#endif
}
float
LevelMeter::update_meters ()
{
std::vector<MeterInfo>::iterator i;
uint32_t n;
if (!_meter) {
return 0.0f;
}
uint32_t nmidi = _meter->input_streams().n_midi();
for (n = 0, i = _meters.begin(); i != _meters.end(); ++i, ++n) {
if ((*i).packed) {
const float mpeak = _meter->meter_level(n, MeterMaxPeak);
if (mpeak > (*i).max_peak) {
(*i).max_peak = mpeak;
//(*i).meter->set_highlight(mpeak >= UIConfiguration::instance().get_meter_peak());
(*i).meter->set_highlight (mpeak >= 2.0);
}
if (mpeak > _max_peak) {
_max_peak = mpeak;
}
if (n < nmidi) {
(*i).meter->set (_meter->meter_level (n, MeterPeak));
} else {
MeterType meter_type = _meter->meter_type ();
const float peak = _meter->meter_level (n, meter_type);
if (meter_type == MeterPeak) {
(*i).meter->set (log_meter (peak));
} else if (meter_type == MeterPeak0dB) {
(*i).meter->set (log_meter0dB (peak));
} else if (meter_type == MeterIEC1NOR) {
(*i).meter->set (meter_deflect_nordic (peak + meter_lineup(0)));
} else if (meter_type == MeterIEC1DIN) {
// (*i).meter->set (meter_deflect_din (peak + meter_lineup_cfg(UIConfiguration::instance().get_meter_line_up_din(), 3.0)));
} else if (meter_type == MeterIEC2BBC || meter_type == MeterIEC2EBU) {
(*i).meter->set (meter_deflect_ppm (peak + meter_lineup(0)));
} else if (meter_type == MeterVU) {
(*i).meter->set (meter_deflect_vu (peak + vu_standard() + meter_lineup(0)));
} else if (meter_type == MeterK12) {
(*i).meter->set (meter_deflect_k (peak, 12), meter_deflect_k(_meter->meter_level(n, MeterPeak), 12));
} else if (meter_type == MeterK14) {
(*i).meter->set (meter_deflect_k (peak, 14), meter_deflect_k(_meter->meter_level(n, MeterPeak), 14));
} else if (meter_type == MeterK20) {
(*i).meter->set (meter_deflect_k (peak, 20), meter_deflect_k(_meter->meter_level(n, MeterPeak), 20));
} else { // RMS
(*i).meter->set (log_meter (peak), log_meter(_meter->meter_level(n, MeterPeak)));
}
}
}
}
return _max_peak;
}
void
LevelMeter::parameter_changed (std::string p)
{
if (p == "meter-hold") {
std::vector<MeterInfo>::iterator i;
uint32_t n;
for (n = 0, i = _meters.begin(); i != _meters.end(); ++i, ++n) {
//(*i).meter->set_hold_count ((uint32_t) floor(UIConfiguration::instance().get_meter_hold()));
(*i).meter->set_hold_count (20);
}
}
else if (p == "meter-line-up-level") {
setup_meters (_meter_length, _regular_meter_width, _thin_meter_width);
}
else if (p == "meter-style-led") {
setup_meters (_meter_length, _regular_meter_width, _thin_meter_width);
}
else if (p == "meter-peak") {
std::vector<MeterInfo>::iterator i;
uint32_t n;
for (n = 0, i = _meters.begin(); i != _meters.end(); ++i, ++n) {
(*i).max_peak = minus_infinity();
}
}
}
void
LevelMeter::configuration_changed (ChanCount /*in*/, ChanCount /*out*/)
{
setup_meters (_meter_length, _regular_meter_width, _thin_meter_width);
}
void
LevelMeter::meter_type_changed (MeterType t)
{
setup_meters (_meter_length, _regular_meter_width, _thin_meter_width);
}
void
LevelMeter::hide_all_meters ()
{
for (std::vector<MeterInfo>::iterator i = _meters.begin(); i != _meters.end(); ++i) {
if ((*i).packed) {
_meter_packer->remove ((*i).meter);
(*i).packed = false;
}
}
_meter_count = 0;
}
void
LevelMeter::set_max_audio_meter_count (uint32_t cnt)
{
if (cnt == _max_visible_meters) {
return;
}
_max_visible_meters = cnt;
setup_meters (_meter_length, _regular_meter_width, _thin_meter_width);
}
void
LevelMeter::setup_meters (int len, int initial_width, int thin_width)
{
if (!_meter) {
hide_all_meters ();
return; /* do it later or never */
}
MeterType meter_type = _meter->meter_type ();
uint32_t nmidi = _meter->input_streams().n_midi();
uint32_t nmeters = _meter->input_streams().n_total();
_regular_meter_width = initial_width;
_thin_meter_width = thin_width;
_meter_length = len;
guint16 width;
if (nmeters == 0) {
hide_all_meters ();
return;
}
if (nmeters <= 2) {
width = _regular_meter_width;
} else {
width = _thin_meter_width;
}
if (_meters.size() > 0
&& nmidi == _midi_count
&& nmeters == _meter_count
&& _meters[0].width == width
&& _meters[0].length == len
&& meter_type == _visible_meter_type) {
return;
}
#if 0
printf("Meter redraw: %s %s %s %s %s %s\n",
(meters.size() > 0) ? "yes" : "no",
(meters.size() > 0 && meters[0].width == width) ? "yes" : "no",
(meters.size() > 0 && meters[0].length == len) ? "yes" : "no",
(nmeters == meter_count) ? "yes" : "no",
(meter_type == visible_meter_type) ? "yes" : "no",
!color_changed ? "yes" : "no"
);
#endif
hide_all_meters ();
while (_meters.size() < nmeters) {
_meters.push_back (MeterInfo());
}
//cerr << "LevelMeter::setup_meters() called color_changed = " << color_changed << " colors: " << endl;//DEBUG
for (int32_t n = nmeters-1; nmeters && n >= 0 ; --n) {
#if 0
uint32_t c[10];
uint32_t b[4];
float stp[4];
int styleflags = UIConfiguration::instance().get_meter_style_led() ? 3 : 1;
b[0] = UIConfiguration::instance().color ("meter background bottom");
b[1] = UIConfiguration::instance().color ("meter background top");
b[2] = 0x991122ff; // red highlight gradient Bot
b[3] = 0x551111ff; // red highlight gradient Top
if ((uint32_t) n < nmidi) {
c[0] = UIConfiguration::instance().color ("midi meter color0");
c[1] = UIConfiguration::instance().color ("midi meter color1");
c[2] = UIConfiguration::instance().color ("midi meter color2");
c[3] = UIConfiguration::instance().color ("midi meter color3");
c[4] = UIConfiguration::instance().color ("midi meter color4");
c[5] = UIConfiguration::instance().color ("midi meter color5");
c[6] = UIConfiguration::instance().color ("midi meter color6");
c[7] = UIConfiguration::instance().color ("midi meter color7");
c[8] = UIConfiguration::instance().color ("midi meter color8");
c[9] = UIConfiguration::instance().color ("midi meter color9");
stp[0] = 115.0 * 32.0 / 128.0;
stp[1] = 115.0 * 64.0 / 128.0;
stp[2] = 115.0 * 100.0 / 128.0;
stp[3] = 115.0 * 112.0 / 128.0;
} else {
c[0] = UIConfiguration::instance().color ("meter color0");
c[1] = UIConfiguration::instance().color ("meter color1");
c[2] = UIConfiguration::instance().color ("meter color2");
c[3] = UIConfiguration::instance().color ("meter color3");
c[4] = UIConfiguration::instance().color ("meter color4");
c[5] = UIConfiguration::instance().color ("meter color5");
c[6] = UIConfiguration::instance().color ("meter color6");
c[7] = UIConfiguration::instance().color ("meter color7");
c[8] = UIConfiguration::instance().color ("meter color8");
c[9] = UIConfiguration::instance().color ("meter color9");
switch (meter_type) {
case MeterK20:
stp[0] = 115.0 * meter_deflect_k(-40, 20); //-20
stp[1] = 115.0 * meter_deflect_k(-20, 20); // 0
stp[2] = 115.0 * meter_deflect_k(-18, 20); // +2
stp[3] = 115.0 * meter_deflect_k(-16, 20); // +4
c[0] = c[1] = 0x008800ff;
c[2] = c[3] = 0x00ff00ff;
c[4] = c[5] = 0xffff00ff;
c[6] = c[7] = 0xffff00ff;
c[8] = c[9] = 0xff0000ff;
break;
case MeterK14:
stp[0] = 115.0 * meter_deflect_k(-34, 14); //-20
stp[1] = 115.0 * meter_deflect_k(-14, 14); // 0
stp[2] = 115.0 * meter_deflect_k(-12, 14); // +2
stp[3] = 115.0 * meter_deflect_k(-10, 14); // +4
c[0] = c[1] = 0x008800ff;
c[2] = c[3] = 0x00ff00ff;
c[4] = c[5] = 0xffff00ff;
c[6] = c[7] = 0xffff00ff;
c[8] = c[9] = 0xff0000ff;
break;
case MeterK12:
stp[0] = 115.0 * meter_deflect_k(-32, 12); //-20
stp[1] = 115.0 * meter_deflect_k(-12, 12); // 0
stp[2] = 115.0 * meter_deflect_k(-10, 12); // +2
stp[3] = 115.0 * meter_deflect_k( -8, 12); // +4
c[0] = c[1] = 0x008800ff;
c[2] = c[3] = 0x00ff00ff;
c[4] = c[5] = 0xffff00ff;
c[6] = c[7] = 0xffff00ff;
c[8] = c[9] = 0xff0000ff;
break;
case MeterIEC2BBC:
c[0] = c[1] = c[2] = c[3] = c[4] = c[5] = c[6] = c[7] = c[8] = c[9] =
UIConfiguration::instance().color ("meter color BBC");
stp[0] = stp[1] = stp[2] = stp[3] = 115.0;
break;
case MeterIEC2EBU:
stp[0] = 115.0 * meter_deflect_ppm(-24); // ignored
stp[1] = 115.0 * meter_deflect_ppm(-18);
stp[2] = 115.0 * meter_deflect_ppm( -9);
stp[3] = 115.0 * meter_deflect_ppm( 0); // ignored
c[3] = c[2] = c[1];
c[6] = c[7] = c[8] = c[9];
break;
case MeterIEC1NOR:
stp[0] = 115.0 * meter_deflect_nordic(-30); // ignored
stp[1] = 115.0 * meter_deflect_nordic(-18);
stp[2] = 115.0 * meter_deflect_nordic(-12);
stp[3] = 115.0 * meter_deflect_nordic( -9); // ignored
c[0] = c[1] = c[2]; // bright-green
c[6] = c[7] = c[8] = c[9];
break;
case MeterIEC1DIN:
stp[0] = 115.0 * meter_deflect_din(-29); // ignored
stp[1] = 115.0 * meter_deflect_din(-18);
stp[2] = 115.0 * meter_deflect_din(-15); // ignored
stp[3] = 115.0 * meter_deflect_din( -9);
c[0] = c[2] = c[3] = c[1];
c[4] = c[6];
c[5] = c[7];
break;
case MeterVU:
stp[0] = 115.0 * meter_deflect_vu(-26); // -6
stp[1] = 115.0 * meter_deflect_vu(-23); // -3
stp[2] = 115.0 * meter_deflect_vu(-20); // 0
stp[3] = 115.0 * meter_deflect_vu(-18); // +2
c[0] = c[2] = c[3] = c[4] = c[5] = c[1];
c[7] = c[8] = c[9] = c[6];
break;
case MeterPeak0dB:
stp[1] = 89.125; // 115.0 * log_meter0dB(-9);
stp[2] = 106.375; // 115.0 * log_meter0dB(-3);
stp[3] = 115.0; // 115.0 * log_meter0dB(0);
switch (UIConfiguration::instance().get_meter_line_up_level()) {
case MeteringLineUp24:
stp[0] = 115.0 * log_meter0dB(-24);
break;
case MeteringLineUp20:
stp[0] = 115.0 * log_meter0dB(-20);
break;
default:
case MeteringLineUp18:
stp[0] = 115.0 * log_meter0dB(-18);
break;
case MeteringLineUp15:
stp[0] = 115.0 * log_meter0dB(-15);
}
break;
default: // PEAK, RMS
stp[1] = 77.5; // 115 * log_meter(-9)
stp[2] = 92.5; // 115 * log_meter(-3)
stp[3] = 100.0; // 115 * log_meter(0)
switch (UIConfiguration::instance().get_meter_line_up_level()) {
case MeteringLineUp24:
stp[0] = 42.0;
break;
case MeteringLineUp20:
stp[0] = 50.0;
break;
default:
case MeteringLineUp18:
stp[0] = 55.0;
break;
case MeteringLineUp15:
stp[0] = 62.5;
break;
}
}
}
#endif
if (_meters[n].width != width || _meters[n].length != len || meter_type != _visible_meter_type || nmidi != _midi_count) {
bool hl = _meters[n].meter ? _meters[n].meter->get_highlight() : false;
_meters[n].packed = false;
delete _meters[n].meter;
_meters[n].meter = new Meter (this->canvas(), 32, width, _meter_orientation, len);
_meters[n].meter->set_highlight(hl);
_meters[n].width = width;
_meters[n].length = len;
}
_meter_packer->add (_meters[n].meter);
_meters[n].packed = true;
if (_max_visible_meters == 0 || (uint32_t) n < _max_visible_meters + nmidi) {
_meters[n].meter->show ();
} else {
_meters[n].meter->hide ();
}
}
_visible_meter_type = meter_type;
_midi_count = nmidi;
_meter_count = nmeters;
}
void LevelMeter::clear_meters (bool reset_highlight)
{
for (std::vector<MeterInfo>::iterator i = _meters.begin(); i < _meters.end(); ++i) {
(*i).meter->clear();
(*i).max_peak = minus_infinity();
if (reset_highlight)
(*i).meter->set_highlight(false);
}
_max_peak = minus_infinity();
}
void LevelMeter::hide_meters ()
{
hide_all_meters();
}
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