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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_slew.h"
#include "port.h"
M_slew::M_slew(QWidget* parent, const char *name, SynthData *p_synthdata)
: Module(1, parent, name, p_synthdata) {
QString qs;
int l1;
M_type = M_type_slew;
setGeometry(MODULE_NEW_X, MODULE_NEW_Y, MODULE_SLEW_WIDTH, MODULE_SLEW_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_out = new Port("Out", PORT_OUT, 0, this, synthdata);
port_out->move(width() - port_out->width(), 55);
port_out->outType = outType_audio;
portList.append(port_out);
timeUp = 0.5;
timeDown = 0.5;
configDialog->addSlider(0, 10, timeUp, "Time Up", &timeUp);
configDialog->addSlider(0, 10, timeDown, "Time Down", &timeDown);
qs.sprintf("Slew Limiter ID %d", moduleID);
configDialog->setCaption(qs);
for (l1 = 0; l1 < synthdata->poly; l1++) {
lastData[l1] = 0;
}
}
M_slew::~M_slew() {
}
void M_slew::generateCycle() {
int l1, l2;
float ds, slewUp, slewDown;
if (!cycleReady) {
cycleProcessing = true;
inData = port_M_in->getinputdata ();
if (timeUp > 0.0001) {
slewUp = 1.0 / (timeUp * (float)synthdata->rate);
} else {
slewUp = 1.0 / (0.0001 * (float)synthdata->rate);
}
if (timeDown > 0.0001) {
slewDown = -1.0 / (timeDown * (float)synthdata->rate);
} else {
slewDown = -1.0 / (0.0001 * (float)synthdata->rate);
}
for (l1 = 0; l1 < synthdata->poly; l1++) {
for (l2 = 0; l2 < synthdata->cyclesize; l2++) {
ds = inData[l1][l2] - lastData[l1];
if (ds > 0) {
if (ds > slewUp) ds = slewUp;
} else {
if (ds < slewDown) ds = slewDown;
}
data[0][l1][l2] = lastData[l1] + ds;
lastData[l1] = data[0][l1][l2];
}
}
}
cycleProcessing = false;
cycleReady = true;
}
void M_slew::showConfigDialog() {
}
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