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#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <math.h>
#include <qwidget.h>
#include <qstring.h>
#include <qslider.h>
#include <qcheckbox.h>
#include <qlabel.h>
#include <qvbox.h>
#include <qhbox.h>
#include <qspinbox.h>
#include <qradiobutton.h>
#include <qpushbutton.h>
#include <qdialog.h>
#include <qpainter.h>
#include <alsa/asoundlib.h>
#include "synthdata.h"
#include "m_env.h"
#include "port.h"
M_env::M_env(QWidget* parent, const char *name, SynthData *p_synthdata)
: Module(2, parent, name, p_synthdata) {
QString qs;
int l1;
M_type = M_type_env;
setGeometry(MODULE_NEW_X, MODULE_NEW_Y, MODULE_ENV_WIDTH, MODULE_ENV_HEIGHT);
delay = 0;
attack = 0.05;
hold = 0.02;
decay = 0.1;
sustain = 0.7;
release = 0.05;
timeScale = 1.0;
port_gate = new Port("Gate", PORT_IN, 0, this, synthdata);
port_gate->move(0, 35);
port_gate->outTypeAcceptList.append(outType_audio);
portList.append(port_gate);
port_retrigger = new Port("Retrigger", PORT_IN, 1, this, synthdata);
port_retrigger->move(0, 55);
port_retrigger->outTypeAcceptList.append(outType_audio);
portList.append(port_retrigger);
port_gain_out = new Port("Out", PORT_OUT, 0, this, synthdata);
port_gain_out->move(width() - port_gain_out->width(), 75);
port_gain_out->outType = outType_audio;
portList.append(port_gain_out);
port_inverse_out = new Port("Inverse Out", PORT_OUT, 1, this, synthdata);
port_inverse_out->move(width() - port_inverse_out->width(), 95);
port_inverse_out->outType = outType_audio;
portList.append(port_inverse_out);
qs.sprintf("ENV ID %d", moduleID);
configDialog->setCaption(qs);
configDialog->addEnvelope(&delay, &attack, &hold, &decay, &sustain, &release);
configDialog->initTabWidget();
QVBox *adsrTab = new QVBox(configDialog->tabWidget);
QVBox *delayTab = new QVBox(configDialog->tabWidget);
configDialog->addSlider(0, 1, delay, "Delay", &delay, false, delayTab);
configDialog->addSlider(0, 1, attack, "Attack", &attack, false, adsrTab);
configDialog->addSlider(0, 1, hold, "Hold", &hold, false, delayTab);
configDialog->addSlider(0, 1, decay, "Decay", &decay, false, adsrTab);
configDialog->addSlider(0, 1, sustain, "Sustain", &sustain, false, adsrTab);
configDialog->addSlider(0, 1, release, "Release", &release, false, adsrTab);
configDialog->addSlider(0.1, 10, timeScale, "Time Scale", &timeScale, false, delayTab);
configDialog->addTab(adsrTab, "ADSR");
configDialog->addTab(delayTab, "Delay / Hold / Time Scale");
for (l1 = 0; l1 < configDialog->midiSliderList.count(); l1++) {
QObject::connect(configDialog->midiSliderList.at(l1), SIGNAL(valueChanged(int)),
configDialog->envelopeList.at(0), SLOT(updateEnvelope(int)));
}
for (l1 = 0; l1 < synthdata->poly; l1++) {
noteActive[l1] = false;
gate[l1] = false;
retrigger[l1] = false;
noteOnOfs[l1] = 0;
noteOffOfs[l1] = 0;
e[l1] = 0;
de[l1] = 0;
}
}
M_env::~M_env() {
}
void M_env::generateCycle() {
int l1, l2, status;
float tscale, de_attack, de_decay, de_release;
float a, dl, dc, h, dla, dlah, dlahdc;
if (!cycleReady) {
cycleProcessing = true;
gateData = port_gate->getinputdata();
retriggerData = port_retrigger->getinputdata();
tscale = timeScale * (float)synthdata->rate;
de_attack = (attack > 0) ? 1.0 / (attack * tscale) : 0;
de_decay = (decay > 0) ? (1.0 - sustain) / (decay * tscale) : 0;
a = tscale * attack;
dl = tscale * delay;
h = tscale * hold;
dc = tscale * decay;
dla = dl + a;
dlah = dla + h;
dlahdc = dlah + dc;
for (l1 = 0; l1 < synthdata->poly; l1++) {
for (l2 = 0; l2 < synthdata->cyclesize; l2++) {
if (!gate[l1] && (gateData[l1][l2] > 0.5)) {
gate[l1] = true;
noteActive[l1] = true;
if (e[l1] > 0) {
noteOnOfs[l1] = -ENVELOPE_RESPONSE;
de[l1] = e[l1] / (float)ENVELOPE_RESPONSE;
} else {
noteOnOfs[l1] = 0;
}
}
if (gate[l1] && (gateData[l1][l2] < 0.5)) {
gate[l1] = false;
noteOffOfs[l1] = 0;
e_noteOff[l1] = e[l1];
}
if (!retrigger[l1] && (retriggerData[l1][l2] > 0.5)) {
retrigger[l1] = true;
if (e[l1] > 0) {
noteOnOfs[l1] = (de_attack > 0) ? e[l1] / de_attack : 0;
} else {
noteOnOfs[l1] = 0;
}
}
if (retrigger[l1] && (retriggerData[l1][l2] < 0.5)) {
retrigger[l1] = false;
}
if (gate[l1]) {
status = 1;
if (noteOnOfs[l1] < 0) status = 0;
if (noteOnOfs[l1] >= int(dl)) status = 2;
if (noteOnOfs[l1] >= int(dla)) status = 3;
if (noteOnOfs[l1] >= int(dlah)) status = 4;
if (noteOnOfs[l1] >= int(dlahdc)) status = 5;
switch (status) {
case 0: e[l1] -= de[l1];
break;
case 1: e[l1] = 0;
break;
case 2: e[l1] += de_attack;
break;
case 3: e[l1] = 1.0;
break;
case 4: e[l1] -= de_decay;
break;
case 5: e[l1] = sustain;
break;
default: e[l1] = 0;
break;
}
if (e[l1] < 0) e[l1] = 0;
data[0][l1][l2] = e[l1];
data[1][l1][l2] = -e[l1];
noteOnOfs[l1]++;
} else { // Release
de_release = (release > 0) ? e_noteOff[l1] / (release * tscale) : 0;
e[l1] -= de_release;
noteOffOfs[l1]++;
if (noteOffOfs[l1] >= int(tscale * release)) {
noteActive[l1] = false;
}
if ((release == 0) || (e[l1] < 0)) {
e[l1] = 0;
}
data[0][l1][l2] = e[l1];
data[1][l1][l2] = -e[l1];
}
}
}
}
cycleProcessing = false;
cycleReady = true;
}
void M_env::showConfigDialog() {
}
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