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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_vcpanning.h"
#include "port.h"
M_vcpanning::M_vcpanning(QWidget* parent, const char *name, SynthData *p_synthdata)
: Module(2, parent, name, p_synthdata) {
QString qs;
int l1, l2;
float pos, q;
M_type = M_type_vcpanning;
setGeometry(MODULE_NEW_X, MODULE_NEW_Y, MODULE_VCPANNING_WIDTH, MODULE_VCPANNING_HEIGHT);
port_M_in = new Port("In", PORT_IN, 0, this, synthdata);
port_M_in->move(0, 35);
port_M_in->outTypeAcceptList.append(outType_audio);
portList.append(port_M_in);
port_M_pan = new Port("Pan CV", PORT_IN, 1, this, synthdata);
port_M_pan->move(0, 55);
port_M_pan->outTypeAcceptList.append(outType_audio);
portList.append(port_M_pan);
for (l1 = 0; l1 < 2; l1++) {
qs.sprintf("Out %d", l1);
port_out[l1] = new Port(qs, PORT_OUT, l1, this, synthdata);
port_out[l1]->move(width() - port_out[l1]->width(), 75 + 20 * l1);
port_out[l1]->outType = outType_audio;
portList.append(port_out[l1]);
}
q = 2.0 / ((double)synthdata->poly - 1.0);
for (l2 = 0; l2 < 2; l2++) {
for (l1 = 0; l1 < synthdata->poly; l1++) {
pan[l2][l1] = 0;
oldpan[l2][l1] = 0;
}
}
if (synthdata->poly & 1) {
pos = 0;
for (l1 = 0; l1 < synthdata->poly; l1++) {
if (l1 & 1) {
pos += q;
}
panPos[l1] = (l1 & 1) ? -pos : pos;
// fprintf(stderr, "odd pan[%d] = %f\n", l1, panPos[l1]);
}
} else {
pos = q / 2.0;
for (l1 = 0; l1 < synthdata->poly; l1++) {
panPos[l1] = (l1 & 1) ? -pos : pos;
if (l1 & 1) {
pos += q;
}
// fprintf(stderr, "even pan[%d] = %f\n", l1, panPos[l1]);
}
}
panGain = 0.0;
panOffset = 0.0;
configDialog->addSlider(-1, 1, panOffset, "Pan Offset", &panOffset);
configDialog->addSlider(0, 2, panGain, "Pan Gain", &panGain);
QStrList *panModeNames = new QStrList(true);
panModeNames->append("VC control");
panModeNames->append("Fixed alternating panorama, full width");
panModeNames->append("Fixed alternating panorama, half width");
panModeNames->append("Fixed alternating panorama, quarter width");
panModeNames->append("Sort by pitch, Low <--> High");
panModeNames->append("Sort by pitch, High <--> Low");
panModeNames->append("Mono");
configDialog->addComboBox(0, "Panning Mode", &panMode, panModeNames->count(), panModeNames);
qs.sprintf("VC Panning ID %d", moduleID);
configDialog->setCaption(qs);
}
M_vcpanning::~M_vcpanning() {
}
void M_vcpanning::generateCycle() {
int l1, l2, k, len;
double dpan[2], x, y, x_2, widthConst;
if (!cycleReady) {
cycleProcessing = true;
inData = port_M_in->getinputdata ();
panData = port_M_pan->getinputdata ();
widthConst = 2.0 / 88.0;
for (l1 = 0; l1 < synthdata->poly; l1++) {
len = synthdata->cyclesize;
l2 = -1;
do {
k = (len > 24) ? 16 : len;
l2 += k;
len -= k;
switch (panMode) {
case 0: x = panOffset + panGain * panData[l1][l2];
x_2 = 0.5 * x;
if (x < -1) x = -1;
if (x > 1) x = 1;
y = 0.2125 * (1.0 - x * x);
pan[1][l1] = (0.5 + x_2) + y;
pan[0][l1] = (0.5 - x_2) + y;
break;
case 1: x = panPos[l1];
x_2 = 0.5 * x;
y = 0.2125 * (1.0 - x * x);
pan[1][l1] = (0.5 + x_2) + y;
pan[0][l1] = (0.5 - x_2) + y;
break;
case 2: x = 0.5 * panPos[l1];
x_2 = 0.5 * x;
y = 0.2125 * (1.0 - x * x);
pan[1][l1] = (0.5 + x_2) + y;
pan[0][l1] = (0.5 - x_2) + y;
break;
case 3: x = 0.25 * panPos[l1];
x_2 = 0.5 * x;
y = 0.2125 * (1.0 - x * x);
pan[1][l1] = (0.5 + x_2) + y;
pan[0][l1] = (0.5 - x_2) + y;
break;
case 4: x = ((double)(synthdata->notes[l1] - 21) * widthConst - 1.0 ) * panGain + panOffset;
if (x < -1) x = -1;
if (x > 1) x = 1;
x_2 = 0.5 * x;
y = 0.2125 * (1.0 - x * x);
pan[1][l1] = (0.5 + x_2) + y;
pan[0][l1] = (0.5 - x_2) + y;
break;
case 5: x = ((double)(88 - (synthdata->notes[l1] - 21)) * widthConst - 1.0) * panGain + panOffset;
if (x < -1) x = -1;
if (x > 1) x = 1;
x_2 = 0.5 * x;
y = 0.2125 * (1.0 - x * x);
pan[1][l1] = (0.5 + x_2) + y;
pan[0][l1] = (0.5 - x_2) + y;
break;
case 6: pan[1][l1] = 1;
pan[0][l1] = 1;
break;
}
dpan[0] = (pan[0][l1] - oldpan[0][l1]) / (double) k;
dpan[1] = (pan[1][l1] - oldpan[1][l1]) / (double) k;
while(k--) {
oldpan[0][l1] += dpan[0];
oldpan[1][l1] += dpan[1];
data[0][l1][l2-k] = oldpan[0][l1] * inData[l1][l2-k];
data[1][l1][l2-k] = oldpan[1][l1] * inData[l1][l2-k];
}
} while(len);
}
}
cycleProcessing = false;
cycleReady = true;
}
void M_vcpanning::showConfigDialog() {
}
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