and here is the exported C++
include “gen_exported.h”
namespace gen_exported {
/*******************************************************************************************************************
Cycling '74 License for Max-Generated Code for Export
Copyright © 2016 Cycling '74
The code that Max generates automatically and that end users are capable of exporting and using, and any
associated documentation files (the “Software”) is a work of authorship for which Cycling '74 is the author
and owner for copyright purposes. A license is hereby granted, free of charge, to any person obtaining a
copy of the Software (“Licensee”) to use, copy, modify, merge, publish, and distribute copies of the Software,
and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The Software is licensed to Licensee only for non-commercial use. Users who wish to make commercial use of the
Software must contact the copyright owner to determine if a license for commercial use is available, and the
terms and conditions for same, which may include fees or royalties. For commercial use, please send inquiries
to licensing (at) cycling74.com. The determination of whether a use is commercial use or non-commercial use is based
upon the use, not the user. The Software may be used by individuals, institutions, governments, corporations, or
other business whether for-profit or non-profit so long as the use itself is not a commercialization of the
materials or a use that generates or is intended to generate income, revenue, sales or profit.
The above copyright notice and this license 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 NON-INFRINGEMENT. IN NO EVENT SHALL
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CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
DEALINGS IN THE SOFTWARE.
*******************************************************************************************************************/
// global noise generator
Noise noise;
static const int GENLIB_LOOPCOUNT_BAIL = 100000;
// The State struct contains all the state and procedures for the gendsp kernel
typedef struct State {
CommonState __commonstate;
Delay m_delay_3;
Delay m_delay_4;
int __exception;
int vectorsize;
t_sample m_delaytime_5;
t_sample m_history_2;
t_sample m_history_1;
t_sample m_feedback_6;
t_sample samplerate;
t_sample m_dryWet_7;
// re-initialize all member variables;
inline void reset(t_param __sr, int __vs) {
__exception = 0;
vectorsize = __vs;
samplerate = __sr;
m_history_1 = 0;
m_history_2 = 0;
m_delay_3.reset(“m_delay_3”, 96000);
m_delay_4.reset(“m_delay_4”, 96000);
m_delaytime_5 = 250;
m_feedback_6 = 0.5;
m_dryWet_7 = 0.5;
genlib_reset_complete(this);
};
// the signal processing routine;
inline int perform(t_sample ** __ins, t_sample ** __outs, int __n) {
vectorsize = __n;
const t_sample * __in1 = __ins[0];
const t_sample * __in2 = __ins[1];
t_sample * __out1 = __outs[0];
t_sample * __out2 = __outs[1];
if (__exception) {
return __exception;
} else if (( (__in1 == 0) || (__in2 == 0) || (__out1 == 0) || (__out2 == 0) )) {
__exception = GENLIB_ERR_NULL_BUFFER;
return __exception;
};
t_sample mstosamps_118 = (m_delaytime_5 * (samplerate * 0.001));
// the main sample loop;
while ((__n--)) {
const t_sample in1 = (*(__in1++));
const t_sample in2 = (*(__in2++));
t_sample mix_147 = (in2 + (m_dryWet_7 * (m_history_2 - in2)));
t_sample out2 = mix_147;
t_sample mul_95 = (m_history_2 * m_feedback_6);
t_sample tap_7 = m_delay_4.read_spline(mstosamps_118);
t_sample tap_20 = m_delay_3.read_spline(mstosamps_118);
t_sample mix_148 = (in1 + (m_dryWet_7 * (m_history_1 - in1)));
t_sample out1 = mix_148;
t_sample mul_103 = (m_history_1 * m_feedback_6);
t_sample history_10_next_142 = fixdenorm(tap_7);
t_sample history_18_next_143 = fixdenorm(tap_20);
m_delay_4.write((mul_95 + in2));
m_delay_3.write((mul_103 + in1));
m_history_2 = history_10_next_142;
m_history_1 = history_18_next_143;
m_delay_3.step();
m_delay_4.step();
// assign results to output buffer;
(*(__out1++)) = out1;
(*(__out2++)) = out2;
};
return __exception;
};
inline void set_delaytime(t_param _value) {
m_delaytime_5 = (_value < 0 ? 0 : (_value > 1 ? 1 : _value));
};
inline void set_feedback(t_param _value) {
m_feedback_6 = (_value < 0 ? 0 : (_value > 1 ? 1 : _value));
};
inline void set_dryWet(t_param _value) {
m_dryWet_7 = (_value < 0 ? 0 : (_value > 1 ? 1 : _value));
};
} State;
///
/// Configuration for the genlib API
///
/// Number of signal inputs and outputs
int gen_kernel_numins = 2;
int gen_kernel_numouts = 2;
int num_inputs() { return gen_kernel_numins; }
int num_outputs() { return gen_kernel_numouts; }
int num_params() { return 3; }
/// Assistive lables for the signal inputs and outputs
const char *gen_kernel_innames[] = { “in1”, “in2” };
const char *gen_kernel_outnames[] = { “out1”, “out2” };
/// Invoke the signal process of a State object
int perform(CommonState *cself, t_sample **ins, long numins, t_sample *outs, long numouts, long n) {
State self = (State *)cself;
return self->perform(ins, outs, n);
}
/// Reset all parameters and stateful operators of a State object
void reset(CommonState cself) {
State self = (State *)cself;
self->reset(cself->sr, cself->vs);
}
/// Set a parameter of a State object
void setparameter(CommonState *cself, long index, t_param value, void *ref) {
State *self = (State *)cself;
switch (index) {
case 0: self->set_delaytime(value); break;
case 1: self->set_dryWet(value); break;
case 2: self->set_feedback(value); break;
default: break;
}
}
/// Get the value of a parameter of a State object
void getparameter(CommonState *cself, long index, t_param *value) {
State *self = (State *)cself;
switch (index) {
case 0: *value = self->m_delaytime_5; break;
case 1: *value = self->m_dryWet_7; break;
case 2: *value = self->m_feedback_6; break;
default: break;
}
}
/// Get the name of a parameter of a State object
const char *getparametername(CommonState *cself, long index) {
if (index >= 0 && index < cself->numparams) {
return cself->params[index].name;
}
return 0;
}
/// Get the minimum value of a parameter of a State object
t_param getparametermin(CommonState *cself, long index) {
if (index >= 0 && index < cself->numparams) {
return cself->params[index].outputmin;
}
return 0;
}
/// Get the maximum value of a parameter of a State object
t_param getparametermax(CommonState *cself, long index) {
if (index >= 0 && index < cself->numparams) {
return cself->params[index].outputmax;
}
return 0;
}
/// Get parameter of a State object has a minimum and maximum value
char getparameterhasminmax(CommonState *cself, long index) {
if (index >= 0 && index < cself->numparams) {
return cself->params[index].hasminmax;
}
return 0;
}
/// Get the units of a parameter of a State object
const char *getparameterunits(CommonState *cself, long index) {
if (index >= 0 && index < cself->numparams) {
return cself->params[index].units;
}
return 0;
}
/// Get the size of the state of all parameters of a State object
size_t getstatesize(CommonState *cself) {
return genlib_getstatesize(cself, &getparameter);
}
/// Get the state of all parameters of a State object
short getstate(CommonState *cself, char *state) {
return genlib_getstate(cself, state, &getparameter);
}
/// set the state of all parameters of a State object
short setstate(CommonState *cself, const char *state) {
return genlib_setstate(cself, state, &setparameter);
}
/// Allocate and configure a new State object and it’s internal CommonState:
void *create(t_param sr, long vs) {
State *self = new State;
self->reset(sr, vs);
ParamInfo *pi;
self->__commonstate.inputnames = gen_kernel_innames;
self->__commonstate.outputnames = gen_kernel_outnames;
self->__commonstate.numins = gen_kernel_numins;
self->__commonstate.numouts = gen_kernel_numouts;
self->__commonstate.sr = sr;
self->__commonstate.vs = vs;
self->__commonstate.params = (ParamInfo *)genlib_sysmem_newptr(3 * sizeof(ParamInfo));
self->__commonstate.numparams = 3;
// initialize parameter 0 (“m_delaytime_5”)
pi = self->__commonstate.params + 0;
pi->name = “delaytime”;
pi->paramtype = GENLIB_PARAMTYPE_FLOAT;
pi->defaultvalue = self->m_delaytime_5;
pi->defaultref = 0;
pi->hasinputminmax = false;
pi->inputmin = 0;
pi->inputmax = 1;
pi->hasminmax = true;
pi->outputmin = 0;
pi->outputmax = 1;
pi->exp = 0;
pi->units = “”; // no units defined
// initialize parameter 1 (“m_dryWet_7”)
pi = self->__commonstate.params + 1;
pi->name = “dryWet”;
pi->paramtype = GENLIB_PARAMTYPE_FLOAT;
pi->defaultvalue = self->m_dryWet_7;
pi->defaultref = 0;
pi->hasinputminmax = false;
pi->inputmin = 0;
pi->inputmax = 1;
pi->hasminmax = true;
pi->outputmin = 0;
pi->outputmax = 1;
pi->exp = 0;
pi->units = “”; // no units defined
// initialize parameter 2 (“m_feedback_6”)
pi = self->__commonstate.params + 2;
pi->name = “feedback”;
pi->paramtype = GENLIB_PARAMTYPE_FLOAT;
pi->defaultvalue = self->m_feedback_6;
pi->defaultref = 0;
pi->hasinputminmax = false;
pi->inputmin = 0;
pi->inputmax = 1;
pi->hasminmax = true;
pi->outputmin = 0;
pi->outputmax = 1;
pi->exp = 0;
pi->units = “”; // no units defined
return self;
}
/// Release all resources and memory used by a State object:
void destroy(CommonState *cself) {
State *self = (State *)cself;
genlib_sysmem_freeptr(cself->params);
delete self;
}
} // gen_exported::
