[PD-cvs] externals/sc4pd/source CoinGate.cpp,NONE,1.1 LinRand.cpp,NONE,1.1 NRand.cpp,NONE,1.1 support.cpp,NONE,1.1

Tim Blechmann timblech at users.sourceforge.net
Thu Jul 15 21:03:24 CEST 2004


Update of /cvsroot/pure-data/externals/sc4pd/source
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv1370/d

Added Files:
	CoinGate.cpp LinRand.cpp NRand.cpp support.cpp 
Log Message:
further checkins

--- NEW FILE: CoinGate.cpp ---
/* sc4pd 
   CoinGate

   Copyright (c) 2004 Tim Blechmann.

   This code is derived from:
	SuperCollider real time audio synthesis system
    Copyright (c) 2002 James McCartney. All rights reserved.
	http://www.audiosynth.com


   This program is free software; you can redistribute it and/or
   modify it under the terms of the GNU General Public License
   as published by the Free Software Foundation; either version 2
   of the License, or (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.
   
   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

   Based on:
     PureData by Miller Puckette and others.
         http://www.crca.ucsd.edu/~msp/software.html
     FLEXT by Thomas Grill
         http://www.parasitaere-kapazitaeten.net/ext
     SuperCollider by James McCartney
         http://www.audiosynth.com
     
   Coded while listening to: the sounds coming through my open window
   
*/

#include <flext.h>
#include "SC_PlugIn.h"
#include "support.hpp"


#if !defined(FLEXT_VERSION) || (FLEXT_VERSION < 406)
#error You need at least FLEXT version 0.4.6
#endif


/* ------------------------ CoinGate ---------------------------------*/

class CoinGate_kr:
    public flext_base
{
    FLEXT_HEADER(CoinGate_kr,flext_base);

public:
    CoinGate_kr(int argc, t_atom *argv);
    
protected:
    void m_bang();

    void m_seed(int i)
    {
	rgen.init(i);
    }

private:
    float prob;
    FLEXT_CALLBACK(m_bang);
    FLEXT_CALLBACK_I(m_seed);
    RGen rgen;
};

FLEXT_LIB_V("CoinGate",CoinGate_kr);

CoinGate_kr::CoinGate_kr(int argc, t_atom *argv)
{
    AtomList Args(argc,argv);
    
    rgen.init(timeseed());

    prob = sc_getfloatarg(Args,0);
        
    FLEXT_ADDBANG(0,m_bang);
    FLEXT_ADDMETHOD_(0,"seed",m_seed);
    AddOutBang();
}

void CoinGate_kr::m_bang()
{
    if(rgen.frand() < prob)    
	ToOutBang(0);
}

--- NEW FILE: support.cpp ---
/* sc4pd: 
   support functions
   
   Copyright (c) 2004 Tim Blechmann.                                       

   This code is derived from:
	SuperCollider real time audio synthesis system
    Copyright (c) 2002 James McCartney. All rights reserved.
	http://www.audiosynth.com

   This program is free software; you can redistribute it and/or
   modify it under the terms of the GNU General Public License
   as published by the Free Software Foundation; either version 2
   of the License, or (at your option) any later version.

   This program is distributed in the hope that it will be useful,             
   but WITHOUT ANY WARRANTY; without even the implied warranty of         
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.
   
   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

   Based on:
     PureData by Miller Puckette and others.
         http://www.crca.ucsd.edu/~msp/software.html
     FLEXT by Thomas Grill
         http://www.parasitaere-kapazitaeten.net/ext
     SuperCollider by James McCartney
         http://www.audiosynth.com
     
   Coded while listening to: Nmperign & Guenter Mueller: More Gloom, More Light
   
*/

#include <flext.h>
#include "SC_PlugIn.h"

#include <sys/time.h>

#if !defined(FLEXT_VERSION) || (FLEXT_VERSION < 406)
#error You need at least FLEXT version 0.4.6
#endif


bool sc_add (flext::AtomList a)
{
    for (int i = 0; i!=a.Count();++i)
    {
	if ( flext::IsSymbol(a[i]) )
	{
	    const char * teststring; 
	    teststring = flext::GetString(a[i]);
	    if((strcmp(teststring,"add"))==0)
		return true;
	}
    }
    return false;
}

float sc_getfloatarg (flext::AtomList a,int i)
{
    if (a.Count() > 0 && a.Count() > i)
	return flext::GetAFloat(a[i]);
    else 
	return 0;
}

bool sc_ar(flext::AtomList a)
{
    for (int i = 0; i!=a.Count();++i)
    {
	if ( flext::IsSymbol(a[i]) )
	{
	    const char * teststring; 
	    teststring = flext::GetString(a[i]);
	    if((strcmp(teststring,"ar"))==0)
		return true;
	}
    }
    return false;
}

// macros to put rgen state in registers
#define RGET \
	uint32 s1 = rgen.s1; \
	uint32 s2 = rgen.s2; \
	uint32 s3 = rgen.s3; 

#define RPUT \
	rgen.s1 = s1; \
	rgen.s2 = s2; \
	rgen.s3 = s3;

int32 timeseed()
{
	static int32 count = 0;
	struct timeval tv;
	gettimeofday(&tv, 0);
	return (int32)tv.tv_sec ^ (int32)tv.tv_usec ^ count--;
}

--- NEW FILE: LinRand.cpp ---
/* sc4pd 
   LinRand, LinRand~

   Copyright (c) 2004 Tim Blechmann.

   This code is derived from:
	SuperCollider real time audio synthesis system
    Copyright (c) 2002 James McCartney. All rights reserved.
	http://www.audiosynth.com


   This program is free software; you can redistribute it and/or
   modify it under the terms of the GNU General Public License
   as published by the Free Software Foundation; either version 2
   of the License, or (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.
   
   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

   Based on:
     PureData by Miller Puckette and others.
         http://www.crca.ucsd.edu/~msp/software.html
     FLEXT by Thomas Grill
         http://www.parasitaere-kapazitaeten.net/ext
     SuperCollider by James McCartney
         http://www.audiosynth.com
     
   Coded while listening to: Jim O'Rourke & Loren Mazzacane Connors: In Bern
   
*/

#include <flext.h>
#include "SC_PlugIn.h"
#include "support.hpp"


#if !defined(FLEXT_VERSION) || (FLEXT_VERSION < 406)
#error You need at least FLEXT version 0.4.6
#endif


/* ------------------------ LinRand~ -------------------------------*/

class LinRand_ar:
    public flext_dsp
{
    FLEXT_HEADER(LinRand_ar,flext_dsp);
    
public:
    LinRand_ar(int argc, t_atom *argv);
    
protected:
    virtual void m_signal(int n, t_sample *const *in, t_sample *const *out);
    virtual void m_dsp(int n, t_sample *const *in, t_sample *const *out);

    void m_seed(int i)
    {
	rgen.init(i);
    }
    
private:
    float m_sample;
    float lo;
    float hi;
    int sc_n;
    RGen rgen;
    FLEXT_CALLBACK_I(m_seed);
};

FLEXT_LIB_DSP_V("LinRand~",LinRand_ar);

LinRand_ar::LinRand_ar(int argc, t_atom *argv)
{
    FLEXT_ADDMETHOD_(0,"seed",m_seed);

    AtomList Args(argc,argv);

    if (Args.Count() != 3)
    {
	post("not enough arguments");
	return;
    }
    lo=sc_getfloatarg(Args,0);
    hi=sc_getfloatarg(Args,1);
    sc_n=sc_getfloatarg(Args,2);
    
    rgen.init(timeseed());

    AddOutSignal();
}

void LinRand_ar::m_dsp(int n, t_sample *const *in, t_sample *const *out)
{
    float range = hi - lo;
    float a, b;
    a = rgen.frand();
    b = rgen.frand();
    if (sc_n <= 0) {
	m_sample = sc_min(a, b) * range + lo;
    } else {
	m_sample = sc_max(a, b) * range + lo;
    }
}


void LinRand_ar::m_signal(int n, t_sample *const *in, 
		       t_sample *const *out)
{
    t_sample *nout = *out;
    
    float sample = m_sample;
    
    for (int i = 0; i!= n;++i)
    {
	(*(nout)++) = sample;
    }
}


/* ------------------------ LinRand ---------------------------------*/

class LinRand_kr:
    public flext_base
{
    FLEXT_HEADER(LinRand_kr,flext_base);

public:
    LinRand_kr(int argc, t_atom *argv);
    
protected:
    void m_loadbang();

    void m_seed(int i)
    {
	rgen.init(i);
    }

private:
    float lo;
    float hi;
    int sc_n;
    RGen rgen;
    FLEXT_CALLBACK_I(m_seed);
};

FLEXT_LIB_V("LinRand",LinRand_kr);

LinRand_kr::LinRand_kr(int argc, t_atom *argv)
{
    FLEXT_ADDMETHOD_(0,"seed",m_seed);

    AtomList Args(argc,argv);
    if (Args.Count() != 3)
    {
	post("not enough arguments");
	return;
    }
    lo=sc_getfloatarg(Args,0);
    hi=sc_getfloatarg(Args,1);
    sc_n=sc_getfloatarg(Args,2);
    
    rgen.init(timeseed());

    AddOutFloat();
}

void LinRand_kr::m_loadbang()
{
    float range = hi - lo;
    float a, b;
    a = rgen.frand();
    b = rgen.frand();
    if (sc_n <= 0) {
	ToOutFloat(0,sc_min(a, b) * range + lo);
    } else {
	ToOutFloat(0,sc_max(a, b) * range + lo);
    }
}

--- NEW FILE: NRand.cpp ---
/* sc4pd 
   NRand, NRand~

   Copyright (c) 2004 Tim Blechmann.

   This code is derived from:
	SuperCollider real time audio synthesis system
    Copyright (c) 2002 James McCartney. All rights reserved.
	http://www.audiosynth.com


   This program is free software; you can redistribute it and/or
   modify it under the terms of the GNU General Public License
   as published by the Free Software Foundation; either version 2
   of the License, or (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.
   
   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

   Based on:
     PureData by Miller Puckette and others.
         http://www.crca.ucsd.edu/~msp/software.html
     FLEXT by Thomas Grill
         http://www.parasitaere-kapazitaeten.net/ext
     SuperCollider by James McCartney
         http://www.audiosynth.com
     
   Coded while listening to: Jim O'Rourke & Loren Mazzacane Connors: In Bern
   
*/

#include <flext.h>
#include "SC_PlugIn.h"
#include "support.hpp"


#if !defined(FLEXT_VERSION) || (FLEXT_VERSION < 406)
#error You need at least FLEXT version 0.4.6
#endif


/* ------------------------ NRand~ -------------------------------*/

class NRand_ar:
    public flext_dsp
{
    FLEXT_HEADER(NRand_ar,flext_dsp);
    
public:
    NRand_ar(int argc, t_atom *argv);
    
protected:
    virtual void m_signal(int n, t_sample *const *in, t_sample *const *out);
    virtual void m_dsp(int n, t_sample *const *in, t_sample *const *out);

    void m_seed(int i)
    {
	rgen.init(i);
    }
    
private:
    float m_sample;
    float lo;
    float hi;
    int sc_n;
    RGen rgen;
    FLEXT_CALLBACK_I(m_seed);
};

FLEXT_LIB_DSP_V("NRand~",NRand_ar);

NRand_ar::NRand_ar(int argc, t_atom *argv)
{
    FLEXT_ADDMETHOD_(0,"seed",m_seed);

    AtomList Args(argc,argv);

    if (Args.Count() != 3)
    {
	post("not enough arguments");
	return;
    }
    lo=sc_getfloatarg(Args,0);
    hi=sc_getfloatarg(Args,1);
    sc_n=sc_getfloatarg(Args,2);
    
    rgen.init(timeseed());

    AddOutSignal();
}

void NRand_ar::m_dsp(int n, t_sample *const *in, t_sample *const *out)
{
    float range = hi - lo;
    float sum = 0;
    for (int i=0; i<sc_n; ++i) 
    {
	sum += rgen.frand();
    }
    m_sample = (sum/sc_n) * range + lo;
}


void NRand_ar::m_signal(int n, t_sample *const *in, 
		       t_sample *const *out)
{
    t_sample *nout = *out;
    
    float sample = m_sample;
    
    for (int i = 0; i!= n;++i)
    {
	(*(nout)++) = sample;
    }
}


/* ------------------------ NRand ---------------------------------*/

class NRand_kr:
    public flext_base
{
    FLEXT_HEADER(NRand_kr,flext_base);

public:
    NRand_kr(int argc, t_atom *argv);
    
protected:
    void m_loadbang();

    void m_seed(int i)
    {
	rgen.init(i);
    }

private:
    float lo;
    float hi;
    int sc_n;
    RGen rgen;
    FLEXT_CALLBACK_I(m_seed);
};

FLEXT_LIB_V("NRand",NRand_kr);

NRand_kr::NRand_kr(int argc, t_atom *argv)
{
    FLEXT_ADDMETHOD_(0,"seed",m_seed);

    AtomList Args(argc,argv);
    if (Args.Count() != 3)
    {
	post("not enough arguments");
	return;
    }
    lo=sc_getfloatarg(Args,0);
    hi=sc_getfloatarg(Args,1);
    sc_n=sc_getfloatarg(Args,2);
    
    rgen.init(timeseed());

    AddOutFloat();
}

void NRand_kr::m_loadbang()
{
    float range = hi - lo;
    float sum = 0;
    for (int i=0; i<sc_n; ++i) 
    {
	sum += rgen.frand();
    }
    ToOutFloat(0,(sum/sc_n) * range + lo);
}





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