//*****************************************************************
/*
JackTrip: A System for High-Quality Audio Network Performance
over the Internet
Copyright (c) 2008 Juan-Pablo Caceres, Chris Chafe.
SoundWIRE group at CCRMA, Stanford University.
Permission is hereby granted, free of charge, to any person
obtaining a copy of this software and associated documentation
files (the "Software"), to deal in the Software without
restriction, including without limitation the rights to use,
copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the
Software is furnished to do so, subject to the following
conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
OTHER DEALINGS IN THE SOFTWARE.
*/
//*****************************************************************
/**
* \file JackTrip.h
* \author Juan-Pablo Caceres
* \date October 2008
*/
#ifndef __NETKS_H__
#define __NETKS_H__
#include <iostream>
//#include <unistd.h>
#include <QTimer>
#include "ProcessPlugin.h"
/** \brief A simple (basic) network Karplus Strong.
*
* This plugin creates a one channel network karplus strong.
*/
class NetKS : public ProcessPlugin
{
Q_OBJECT;
public:
/*
void play()
{
std::cout << "********** PALYING ***********************************" << std::endl;
QTimer *timer = new QTimer(this);
QObject::connect(timer, SIGNAL(timeout()), this, SLOT(exciteString()));
timer->start(300);
}
*/
private slots:
/// \brief Stlot to excite (play) the string
void exciteString()
{
std::cout << "========= EXTICING STRING ===========" << std::endl;
fbutton0 = 1.0;
//std::cout << fbutton0 << std::endl;
QThread::usleep(280000); /// \todo Define this number based on the sampling rate and buffer size
fbutton0 = 0.0;
//std::cout << fbutton0 << std::endl;
}
//=========== FROM FAUST ===================================================
private:
float fbutton0;
float fVec0[2];
float fRec0[2];
int iRec1[2];
float fVec1[2];
public:
virtual int getNumInputs() { return 1; }
virtual int getNumOutputs() { return 1; }
static void classInit(int /*samplingFreq*/) {}
virtual void instanceInit(int samplingFreq) {
fSamplingFreq = samplingFreq;
fbutton0 = 0.0;
for (int i=0; i<2; i++) fVec0[i] = 0;
for (int i=0; i<2; i++) fRec0[i] = 0;
for (int i=0; i<2; i++) iRec1[i] = 0;
for (int i=0; i<2; i++) fVec1[i] = 0;
}
virtual void init(int samplingFreq) {
classInit(samplingFreq);
instanceInit(samplingFreq);
}
/*
virtual void buildUserInterface(UI* interface) {
interface->openVerticalBox("excitator");
interface->addButton("play", &fbutton0);
interface->closeBox();
}
*/
virtual void compute (int count, float** input, float** output) {
float* input0 = input[0];
float* output0 = output[0];
float fSlow0 = fbutton0;
for (int i=0; i<count; i++) {
fVec0[0] = fSlow0;
fRec0[0] = ((((fSlow0 - fVec0[1]) > 0.000000f) + fRec0[1]) - (3.333333e-03f * (fRec0[1] > 0.000000f)));
iRec1[0] = (12345 + (1103515245 * iRec1[1]));
float fTemp0 = ((4.190951e-10f * iRec1[0]) * (fRec0[0] > 0.000000f));
float fTemp1 = input0[i];
fVec1[0] = (fTemp1 + fTemp0);
output0[i] = (0.500000f * ((fTemp0 + fTemp1) + fVec1[1]));
// post processing
fVec1[1] = fVec1[0];
iRec1[1] = iRec1[0];
fRec0[1] = fRec0[0];
fVec0[1] = fVec0[0];
}
}
//============================================================================
};
#endif // __NETKS_H__