JackTrip
NetKS.h
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1 //*****************************************************************
2 /*
3  JackTrip: A System for High-Quality Audio Network Performance
4  over the Internet
5 
6  Copyright (c) 2008 Juan-Pablo Caceres, Chris Chafe.
7  SoundWIRE group at CCRMA, Stanford University.
8 
9  Permission is hereby granted, free of charge, to any person
10  obtaining a copy of this software and associated documentation
11  files (the "Software"), to deal in the Software without
12  restriction, including without limitation the rights to use,
13  copy, modify, merge, publish, distribute, sublicense, and/or sell
14  copies of the Software, and to permit persons to whom the
15  Software is furnished to do so, subject to the following
16  conditions:
17 
18  The above copyright notice and this permission notice shall be
19  included in all copies or substantial portions of the Software.
20 
21  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
22  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
23  OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
24  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
25  HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
26  WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
27  FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
28  OTHER DEALINGS IN THE SOFTWARE.
29 */
30 //*****************************************************************
31 
38 #ifndef __NETKS_H__
39 #define __NETKS_H__
40 
41 #include <iostream>
42 #include <unistd.h>
43 
44 #include <QTimer>
45 
46 #include "ProcessPlugin.h"
47 
52 class NetKS : public ProcessPlugin
53 {
54  Q_OBJECT;
55 
56 
57 public:
58  /*
59  void play()
60  {
61  std::cout << "********** PALYING ***********************************" << std::endl;
62  QTimer *timer = new QTimer(this);
63  QObject::connect(timer, SIGNAL(timeout()), this, SLOT(exciteString()));
64  timer->start(300);
65  }
66  */
67 
68 private slots:
69 
71  void exciteString()
72  {
73  std::cout << "========= EXTICING STRING ===========" << std::endl;
74  fbutton0 = 1.0;
75  //std::cout << fbutton0 << std::endl;
76  usleep(280000);
77  fbutton0 = 0.0;
78  //std::cout << fbutton0 << std::endl;
79  }
80 
81  //=========== FROM FAUST ===================================================
82  private:
83  float fbutton0;
84  float fVec0[2];
85  float fRec0[2];
86  int iRec1[2];
87  float fVec1[2];
88  public:
89  virtual int getNumInputs() { return 1; }
90  virtual int getNumOutputs() { return 1; }
91  static void classInit(int /*samplingFreq*/) {}
92  virtual void instanceInit(int samplingFreq) {
93  fSamplingFreq = samplingFreq;
94  fbutton0 = 0.0;
95  for (int i=0; i<2; i++) fVec0[i] = 0;
96  for (int i=0; i<2; i++) fRec0[i] = 0;
97  for (int i=0; i<2; i++) iRec1[i] = 0;
98  for (int i=0; i<2; i++) fVec1[i] = 0;
99  }
100  virtual void init(int samplingFreq) {
101  classInit(samplingFreq);
102  instanceInit(samplingFreq);
103  }
104  /*
105  virtual void buildUserInterface(UI* interface) {
106  interface->openVerticalBox("excitator");
107  interface->addButton("play", &fbutton0);
108  interface->closeBox();
109  }
110  */
111  virtual void compute (int count, float** input, float** output) {
112  float* input0 = input[0];
113  float* output0 = output[0];
114  float fSlow0 = fbutton0;
115  for (int i=0; i<count; i++) {
116  fVec0[0] = fSlow0;
117  fRec0[0] = ((((fSlow0 - fVec0[1]) > 0.000000f) + fRec0[1]) - (3.333333e-03f * (fRec0[1] > 0.000000f)));
118  iRec1[0] = (12345 + (1103515245 * iRec1[1]));
119  float fTemp0 = ((4.190951e-10f * iRec1[0]) * (fRec0[0] > 0.000000f));
120  float fTemp1 = input0[i];
121  fVec1[0] = (fTemp1 + fTemp0);
122  output0[i] = (0.500000f * ((fTemp0 + fTemp1) + fVec1[1]));
123  // post processing
124  fVec1[1] = fVec1[0];
125  iRec1[1] = iRec1[0];
126  fRec0[1] = fRec0[0];
127  fVec0[1] = fVec0[0];
128  }
129  }
130 
131  //============================================================================
132 
133 };
134 
135 
136 #endif // __NETKS_H__
137