JackTrip
Reverb.h
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3  JackTrip: A System for High-Quality Audio Network Performance
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6  Copyright (c) 2020 Julius Smith, Juan-Pablo Caceres, Chris Chafe.
7  SoundWIRE group at CCRMA, Stanford University.
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30 //*****************************************************************
31 
42 #ifndef __REVERB_H__
43 #define __REVERB_H__
44 
45 //#define SINE_TEST
46 
47 #include "ProcessPlugin.h"
48 #include "freeverbdsp.h" // stereo in and out
49 #include "freeverbmonodsp.h" // mono in and out (there is no mono to stereo case in jacktrip as yet)
50 #include "zitarevdsp.h" // stereo in and out
51 #include "zitarevmonodsp.h" // mono in and out
52 
56 class Reverb : public ProcessPlugin
57 {
58 public:
60  Reverb(int numInChans, int numOutChans, float reverbLevel = 1.0, bool verboseFlag = false) // xtor
61  : mNumInChannels(numInChans), mNumOutChannels(numOutChans), mReverbLevel(reverbLevel)
62  {
63  setVerbose(verboseFlag);
64  if ( mNumInChannels < 1 ) {
65  std::cerr << "*** Reverb.h: must have at least one input audio channels\n";
66  mNumInChannels = 1;
67  }
68  if ( mNumInChannels > 2 ) {
69  std::cerr << "*** Reverb.h: limiting number of audio output channels to 2\n";
70  mNumInChannels = 2;
71  }
72 #if 0
73  std::cout << "Reverb: constructed for "
74  << mNumInChannels << " input channels and "
75  << mNumOutChannels << " output channels with reverb level = "
76  << mReverbLevel << "\n";
77 #endif
78 
79  if (mReverbLevel <= 1.0) { // freeverb:
80  freeverbStereoP = new freeverbdsp; // stereo input and output
81  freeverbMonoP = new freeverbmonodsp; // mono input, stereo output
82  freeverbStereoUIP = new APIUI; // #included in *dsp.h
83  freeverbMonoUIP = new APIUI;
84  freeverbStereoP->buildUserInterface(freeverbStereoUIP);
85  freeverbMonoP->buildUserInterface(freeverbMonoUIP);
86  // std::cout << "Using freeverb\n";
87  } else {
88  zitarevStereoP = new zitarevdsp; // stereo input and output
89  zitarevMonoP = new zitarevmonodsp; // mono input, stereo output
90  zitarevStereoUIP = new APIUI;
91  zitarevMonoUIP = new APIUI;
92  zitarevStereoP->buildUserInterface(zitarevStereoUIP);
93  zitarevMonoP->buildUserInterface(zitarevMonoUIP);
94  // std::cout << "Using zitarev\n";
95  }
96  }
97 
99  virtual ~Reverb() {
100  if (mReverbLevel <= 1.0) { // freeverb:
101  delete freeverbStereoP;
102  delete freeverbMonoP;
103  delete freeverbStereoUIP;
104  delete freeverbMonoUIP;
105  } else {
106  delete zitarevStereoP;
107  delete zitarevMonoP;
108  delete zitarevStereoUIP;
109  delete zitarevMonoUIP;
110  }
111  }
112 
113  void init(int samplingRate) override {
114  ProcessPlugin::init(samplingRate);
115  // std::cout << "Reverb: init(" << samplingRate << ")\n";
116  if (samplingRate != fSamplingFreq) {
117  std::cerr << "Sampling rate not set by superclass!\n";
118  std::exit(1); }
119  fs = float(fSamplingFreq);
120  if (mReverbLevel <= 1.0) { // freeverb:
121  freeverbStereoP->init(fs); // compression filter parameters depend on sampling rate
122  freeverbMonoP->init(fs); // compression filter parameters depend on sampling rate
123  int ndx = freeverbStereoUIP->getParamIndex("Wet");
124  freeverbStereoUIP->setParamValue(ndx, mReverbLevel);
125  freeverbMonoUIP->setParamValue(ndx, mReverbLevel);
126  } else { // zitarev:
127  zitarevStereoP->init(fs); // compression filter parameters depend on sampling rate
128  zitarevMonoP->init(fs); // compression filter parameters depend on sampling rate
129  int ndx = zitarevStereoUIP->getParamIndex("Wet");
130  float zitaLevel = mReverbLevel-1.0f; // range within zitarev is 0 to 1 (our version only)
131  zitarevStereoUIP->setParamValue(ndx, zitaLevel);
132  zitarevMonoUIP->setParamValue(ndx, zitaLevel);
133  }
134  inited = true;
135  }
136  int getNumInputs() override { return(mNumInChannels); }
137  int getNumOutputs() override { return(mNumOutChannels); }
138  void compute(int nframes, float** inputs, float** outputs) override;
139 
140 private:
141  float fs;
142  int mNumInChannels;
143  int mNumOutChannels;
144 
145  float mReverbLevel;
146 
147  freeverbdsp* freeverbStereoP;
148  freeverbmonodsp* freeverbMonoP;
149  APIUI* freeverbStereoUIP;
150  APIUI* freeverbMonoUIP;
151 
152  zitarevdsp* zitarevStereoP;
153  zitarevmonodsp* zitarevMonoP;
154  APIUI* zitarevStereoUIP;
155  APIUI* zitarevMonoUIP;
156 };
157 
158 #endif
Definition: compressordsp.h:1031
int getParamIndex(const char *path)
Definition: compressordsp.h:1338
void setParamValue(int p, FAUSTFLOAT v)
Definition: compressordsp.h:1371
Interface for the process plugins to add to the JACK callback process in JackAudioInterface.
Definition: ProcessPlugin.h:53
virtual void setVerbose(bool v)
Definition: ProcessPlugin.h:86
int fSamplingFreq
Faust Data member, Sampling Rate.
Definition: ProcessPlugin.h:92
virtual void init(int samplingRate)
Do proper Initialization of members and class instances. By default this initializes the Sampling Fre...
Definition: ProcessPlugin.h:78
bool inited
Definition: ProcessPlugin.h:93
Applies freeverb or zitarev from the faustlibraries distribution: reverbs.lib.
Definition: Reverb.h:57
int getNumOutputs() override
Return Number of Output Channels.
Definition: Reverb.h:137
virtual ~Reverb()
The class destructor.
Definition: Reverb.h:99
void compute(int nframes, float **inputs, float **outputs) override
Compute process.
Definition: Reverb.cpp:45
Reverb(int numInChans, int numOutChans, float reverbLevel=1.0, bool verboseFlag=false)
The class constructor sets the number of channels to limit.
Definition: Reverb.h:60
void init(int samplingRate) override
Do proper Initialization of members and class instances. By default this initializes the Sampling Fre...
Definition: Reverb.h:113
int getNumInputs() override
Return Number of Input Channels.
Definition: Reverb.h:136
Definition: freeverbdsp.h:1575
virtual void init(int sample_rate)
Definition: freeverbdsp.h:1970
virtual void buildUserInterface(UI *ui_interface)
Definition: freeverbdsp.h:1988
Definition: freeverbmonodsp.h:1572
virtual void buildUserInterface(UI *ui_interface)
Definition: freeverbmonodsp.h:1978
virtual void init(int sample_rate)
Definition: freeverbmonodsp.h:1960
Definition: zitarevdsp.h:1575
virtual void init(int sample_rate)
Definition: zitarevdsp.h:2024
virtual void buildUserInterface(UI *ui_interface)
Definition: zitarevdsp.h:2042
Definition: zitarevmonodsp.h:1575
virtual void buildUserInterface(UI *ui_interface)
Definition: zitarevmonodsp.h:2030
virtual void init(int sample_rate)
Definition: zitarevmonodsp.h:2012