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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_vcenv.h"
#include "port.h"
M_vcenv::M_vcenv(QWidget* parent, const char *name, SynthData *p_synthdata)
: Module(1, parent, name, p_synthdata) {
QString qs;
int l1;
M_type = M_type_vcenv;
setGeometry(MODULE_NEW_X, MODULE_NEW_Y, MODULE_VCENV_WIDTH, MODULE_VCENV_HEIGHT);
port_M_gate = new Port("Gate", PORT_IN, 0, this, synthdata);
port_M_gate->move(0, 35);
port_M_gate->outTypeAcceptList.append(outType_audio);
portList.append(port_M_gate);
port_M_retrigger = new Port("Retrigger", PORT_IN, 1, this, synthdata);
port_M_retrigger->move(0, 55);
port_M_retrigger->outTypeAcceptList.append(outType_audio);
portList.append(port_M_retrigger);
port_M_attack = new Port("Attack", PORT_IN, 2, this, synthdata);
port_M_attack->move(0, 75);
port_M_attack->outTypeAcceptList.append(outType_audio);
portList.append(port_M_attack);
port_M_decay = new Port("Decay", PORT_IN, 3, this, synthdata);
port_M_decay->move(0, 95);
port_M_decay->outTypeAcceptList.append(outType_audio);
portList.append(port_M_decay);
port_M_sustain = new Port("Sustain", PORT_IN, 4, this, synthdata);
port_M_sustain->move(0, 115);
port_M_sustain->outTypeAcceptList.append(outType_audio);
portList.append(port_M_sustain);
port_M_release = new Port("Release", PORT_IN, 5, this, synthdata);
port_M_release->move(0, 135);
port_M_release->outTypeAcceptList.append(outType_audio);
portList.append(port_M_release);
port_out = new Port("Out", PORT_OUT, 0, this, synthdata);
port_out->move(width() - port_out->width(), 155);
port_out->outType = outType_audio;
portList.append(port_out);
qs.sprintf("VC Envelope ID %d", moduleID);
a0 = 0.01;
d0 = 0.3;
s0 = 0.7;
r0 = 0.1;
aGain = 0.0;
dGain = 0.0;
sGain = 0.0;
rGain = 0.0;
timeScale = 1;
decayReleaseMode = 1;
for (l1 = 0; l1 < synthdata->poly; l1++) {
gate[l1] = false;
retrigger[l1] = false;
state[l1] = 0;
noteActive[l1] = false;
e[l1] = 0;
old_e[l1] = 0;
}
configDialog->addSlider(0, 1, a0, "Attack Offset", &a0);
configDialog->addSlider(0, 1, d0, "Decay Offset", &d0);
configDialog->addSlider(0, 1, s0, "Sustain Offset", &s0);
configDialog->addSlider(0, 1, r0, "Release Offset", &r0);
configDialog->addSlider(-1, 1, aGain, "Attack Gain", &aGain);
configDialog->addSlider(-1, 1, dGain, "Decay Gain", &dGain);
configDialog->addSlider(-1, 1, sGain, "Sustain Gain", &sGain);
configDialog->addSlider(-1, 1, rGain, "Release Gain", &rGain);
QStrList *timeScaleNames = new QStrList(true);
timeScaleNames->append(" 0.1 s");
timeScaleNames->append(" 1.0 s");
timeScaleNames->append("10.0 s");
configDialog->addComboBox(1, "Time Scale", &timeScale, timeScaleNames->count(), timeScaleNames);
QStrList *decayReleaseModeNames = new QStrList(true);
decayReleaseModeNames->append("Linear");
decayReleaseModeNames->append("Exponential");
configDialog->addComboBox(1, "Decay/Release Mode", &decayReleaseMode, decayReleaseModeNames->count(), decayReleaseModeNames);
configDialog->setCaption(qs);
}
M_vcenv::~M_vcenv() {
}
void M_vcenv::generateCycle() {
int l1, l2, l2_out;
double ts, tsr, tsn, tmp, c, n, de;
int k, len;
if (!cycleReady) {
cycleProcessing = true;
gateData = port_M_gate->getinputdata ();
retriggerData = port_M_retrigger->getinputdata ();
attackData = port_M_attack->getinputdata ();
decayData = port_M_decay->getinputdata ();
sustainData = port_M_sustain->getinputdata ();
releaseData = port_M_release->getinputdata ();
switch(timeScale) {
case 0: ts = 0.1;
break;
case 1: ts = 1.0;
break;
case 2: ts = 10.0;
break;
default: tsr = 1.0;
}
tsr = 16.0 * ts / (double)synthdata->rate;
tsn = ts * (double)synthdata->rate / 16.0;
for (l1 = 0; l1 < synthdata->poly; l1++) {
// fprintf(stderr, "gate:%d retrigger:%d noteActive:%d state: %d\n", gate[l1], retrigger[l1], noteActive[l1], state[l1]);
len = synthdata->cyclesize;
old_e[l1] = e[l1];
l2 = -1;
l2_out = 0;
do {
k = (len > 24) ? 16 : len;
l2 += k;
len -= k;
if (!gate[l1] && gateData[l1][l2] > 0.5) {
gate[l1] = true;
noteActive[l1] = true;
state[l1] = 1;
}
if (gate[l1] && gateData[l1][l2] < 0.5) {
gate[l1] = false;
state[l1] = 4;
}
if (!retrigger[l1] && retriggerData[l1][l2] > 0.5) {
retrigger[l1] = true;
if (gate[l1]) {
state[l1] = 1;
}
}
if (retrigger[l1] && retriggerData[l1][l2] < 0.5) {
retrigger[l1] = false;
}
switch (state[l1]) {
case 0: e[l1] = 0;
break;
case 1: e[l1] += ((tmp = a0 + aGain * attackData[l1][l2]) > 0.001) ? tsr / tmp : tsr / 0.001;
if (e[l1] >= 1.0) {
state[l1] = 2;
e[l1] = 1.0;
}
break;
case 2: if (decayReleaseMode) {
n = tsn * (d0 + dGain * decayData[l1][l2]);
if (n < 1) n = 1;
c = 2.3 / n;
e[l1] *= exp(-c);
} else {
e[l1] -= ((tmp = d0 + dGain * decayData[l1][l2]) > 0.001) ? tsr / tmp : tsr / 0.001;
}
if (e[l1] <= s0 + sGain * sustainData[l1][l2] + 1e-20) {
state[l1] = 3;
} else {
break;
}
case 3: e[l1] = s0 + sGain * sustainData[l1][l2];
break;
case 4: if (decayReleaseMode) {
n = tsn * (r0 + rGain * releaseData[l1][l2]);
if (n < 1) n = 1;
c = 2.3 / n;
e[l1] *= exp(-c);
} else {
e[l1] -= ((tmp = r0 + rGain * releaseData[l1][l2]) > 0.001) ? tsr / tmp : tsr / 0.001;
}
if (e[l1] <= 1e-20) {
e[l1] = 0;
noteActive[l1] = false;
}
break;
default: e[l1] = 0;
}
de = (e[l1] - old_e[l1]) / (double)k;
while (k--) {
old_e[l1] += de;
data[0][l1][l2_out++] = old_e[l1];
}
} while(len);
}
}
cycleProcessing = false;
cycleReady = true;
}
void M_vcenv::showConfigDialog() {
}
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