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 32 /** 33 * \file JackTrip.h 34 * \author Juan-Pablo Caceres 35 * \date October 2008 36 */ 37 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 48 /** \brief A simple (basic) network Karplus Strong. 49 * 50 * This plugin creates a one channel network karplus strong. 51 */ 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 70 /// \brief Stlot to excite (play) the string exciteString()71 void exciteString() 72 { 73 std::cout << "========= EXTICING STRING ===========" << std::endl; 74 fbutton0 = 1.0; 75 //std::cout << fbutton0 << std::endl; 76 QThread::usleep(280000); /// \todo Define this number based on the sampling rate and buffer size 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: getNumInputs()89 virtual int getNumInputs() { return 1; } getNumOutputs()90 virtual int getNumOutputs() { return 1; } classInit(int)91 static void classInit(int /*samplingFreq*/) {} instanceInit(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 } init(int samplingFreq)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 */ compute(int count,float ** input,float ** output)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