[PD-cvs] externals/sc4pd/source LFClipNoise.cpp,NONE,1.1 LFNoise0.cpp,NONE,1.1 ClipNoise.cpp,1.2,1.3 ExpRand.cpp,1.1,1.2 main.cpp,1.4,1.5 support.cpp,1.1,1.2

Tim Blechmann timblech at users.sourceforge.net
Thu Jul 15 23:34:14 CEST 2004


Update of /cvsroot/pure-data/externals/sc4pd/source
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv29224/source

Modified Files:
	ClipNoise.cpp ExpRand.cpp main.cpp support.cpp 
Added Files:
	LFClipNoise.cpp LFNoise0.cpp 
Log Message:
the work of this evening ...

Index: main.cpp
===================================================================
RCS file: /cvsroot/pure-data/externals/sc4pd/source/main.cpp,v
retrieving revision 1.4
retrieving revision 1.5
diff -C2 -d -r1.4 -r1.5
*** main.cpp	15 Jul 2004 19:05:05 -0000	1.4
--- main.cpp	15 Jul 2004 21:34:12 -0000	1.5
***************
*** 57,61 ****
  	 "PinkNoise(~), \n          Crackle(~), Rand(~), TRand(~), "
  	 "TExpRand(~), IRand(~), TIRand(~),\n          CoinGate, "
! 	 "LinRand(~), NRand(~), ExpRand(~)\n");
  
      //initialize objects
--- 57,62 ----
  	 "PinkNoise(~), \n          Crackle(~), Rand(~), TRand(~), "
  	 "TExpRand(~), IRand(~), TIRand(~),\n          CoinGate, "
! 	 "LinRand(~), NRand(~), ExpRand(~), LFClipNoise(~),\n"
! 	 "          LFNoise0(~)\n");
  
      //initialize objects
***************
*** 118,121 ****
--- 119,128 ----
      FLEXT_DSP_SETUP(ExpRand_ar);
      FLEXT_SETUP(ExpRand_kr);
+ 
+     FLEXT_DSP_SETUP(LFClipNoise_ar);
+     FLEXT_SETUP(LFClipNoise_kr);
+ 
+     FLEXT_DSP_SETUP(LFNoise0_ar);
+     FLEXT_SETUP(LFNoise0_kr);
  }
  

Index: ExpRand.cpp
===================================================================
RCS file: /cvsroot/pure-data/externals/sc4pd/source/ExpRand.cpp,v
retrieving revision 1.1
retrieving revision 1.2
diff -C2 -d -r1.1 -r1.2
*** ExpRand.cpp	15 Jul 2004 19:05:05 -0000	1.1
--- ExpRand.cpp	15 Jul 2004 21:34:12 -0000	1.2
***************
*** 98,102 ****
  {
      float ratio = hi / lo;
!     m_sample = pow(ratio,rgen.frand()) * lo);
  }
  
--- 98,102 ----
  {
      float ratio = hi / lo;
!     m_sample = pow(ratio,rgen.frand()) * lo;
  }
  

--- NEW FILE: LFNoise0.cpp ---
/* sc4pd 
   LFNoise0, LFNoise0~

   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: Elliott Sharp: Revenge Of The Stuttering Child
   
*/

#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


/* ------------------------ LFNoise0~ -------------------------------*/

class LFNoise0_ar:
    public flext_dsp
{
    FLEXT_HEADER(LFNoise0_ar,flext_dsp);
    
public:
    LFNoise0_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);
    }

    void m_set(float f)
    {
	m_freq = f;
    }
    
private:
    RGen rgen;
    float m_freq;
    float m_level;
    int m_counter;
    int m_sr;
    FLEXT_CALLBACK_I(m_seed);
    FLEXT_CALLBACK_F(m_set);
};

FLEXT_LIB_DSP_V("LFNoise0~",LFNoise0_ar);

LFNoise0_ar::LFNoise0_ar(int argc, t_atom *argv)
{
    FLEXT_ADDMETHOD_(0,"seed",m_seed);
    FLEXT_ADDMETHOD_(0,"set",m_set);

    //parse arguments
    AtomList Args(argc,argv);

    m_freq = sc_getfloatarg(Args,0);
    
    m_counter=0;
    m_level=0;

    rgen.init(timeseed());

    AddOutSignal();
}    

void LFNoise0_ar::m_dsp(int n, t_sample *const *in, 
			   t_sample *const *out)
{
    m_sr = Samplerate();
}


void LFNoise0_ar::m_signal(int n, t_sample *const *in, 
			       t_sample *const *out)
{
    t_sample *nout = *out;

    float level = m_level;
    int32 counter = m_counter;

    RGET;

    int remain = n;
    do
    {
	if (counter<=0) 
	{
	    counter = (int)(m_sr / sc_max(m_freq, .001f));
	    counter = sc_max(1, counter);
	    level = frand2(s1,s2,s3);
	}
	int nsmps = sc_min(remain, counter);
	remain -= nsmps;
	counter -= nsmps;
	
	for (int i = 0; i!= nsmps;++i)
	{
	    (*(nout)++)=level;
	}
    }
    while(remain);

    m_level = level;
    m_counter = counter;
    
    RPUT;
}


/* ------------------------ LFNoise0 ---------------------------------*/

class LFNoise0_kr:
    public flext_base
{
    FLEXT_HEADER(LFNoise0_kr,flext_base);

public:
    LFNoise0_kr(int argc, t_atom *argv);
    
protected:
    void m_perform();
    
    void m_seed(int i)
    {
	rgen.init(i);
    }
 
    void m_set(float f)
    {
	double dt = sc_min(1/f, .001f);
	m_timer.Reset();
	m_timer.Periodic(1000*dt);
    }
   
private:
    RGen rgen;
    Timer m_timer;
    FLEXT_CALLBACK_I(m_seed);
    FLEXT_CALLBACK_T(m_perform);
    FLEXT_CALLBACK_F(m_set);
};

FLEXT_LIB_V("LFNoise0",LFNoise0_kr);

LFNoise0_kr::LFNoise0_kr(int argc, t_atom *argv)
{
    FLEXT_ADDMETHOD_(0,"seed",m_seed);
    FLEXT_ADDMETHOD_(0,"set",m_set);
    FLEXT_ADDTIMER(m_timer,m_perform);
    
    //parse arguments
    AtomList Args(argc,argv);
    
    double dt = sc_min(1/sc_getfloatarg(Args,0), .001f);
    
    rgen.init(timeseed());

    m_timer.Periodic(1000*dt);

    AddOutFloat();
}

void LFNoise0_kr::m_perform()
{
    ToOutFloat(0,rgen.frand2());
}

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

   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: Elliott Sharp: Revenge Of The Stuttering Child
   
*/

#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


/* ------------------------ LFClipNoise~ -------------------------------*/

class LFClipNoise_ar:
    public flext_dsp
{
    FLEXT_HEADER(LFClipNoise_ar,flext_dsp);
    
public:
    LFClipNoise_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);
    }

    void m_set(float f)
    {
	m_freq = f;
    }
    
private:
    RGen rgen;
    float m_freq;
    float m_level;
    int m_counter;
    int m_sr;
    FLEXT_CALLBACK_I(m_seed);
    FLEXT_CALLBACK_F(m_set);
};

FLEXT_LIB_DSP_V("LFClipNoise~",LFClipNoise_ar);

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

    //parse arguments
    AtomList Args(argc,argv);

    m_freq = sc_getfloatarg(Args,0);
    
    m_counter=0;
    m_level=0;

    rgen.init(timeseed());

    AddOutSignal();
}    

void LFClipNoise_ar::m_dsp(int n, t_sample *const *in, 
			   t_sample *const *out)
{
    m_sr = Samplerate();
}


void LFClipNoise_ar::m_signal(int n, t_sample *const *in, 
			       t_sample *const *out)
{
    t_sample *nout = *out;

    float level = m_level;
    int32 counter = m_counter;

    RGET;

    int remain = n;
    do
    {
	if (counter<=0) 
	{
	    counter = (int)(m_sr / sc_max(m_freq, .001f));
	    counter = sc_max(1, counter);
	    level = fcoin(s1,s2,s3);
	}
	int nsmps = sc_min(remain, counter);
	remain -= nsmps;
	counter -= nsmps;
	
	for (int i = 0; i!= nsmps;++i)
	{
	    (*(nout)++)=level;
	}
    }
    while(remain);

    m_level = level;
    m_counter = counter;
    
    RPUT;
}


/* ------------------------ LFClipNoise ---------------------------------*/

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

public:
    LFClipNoise_kr(int argc, t_atom *argv);
    
protected:
    void m_perform();
    
    void m_seed(int i)
    {
	rgen.init(i);
    }
 
    void m_set(float f)
    {
	double dt = sc_min(1/f, .001f);
	m_timer.Reset();
	m_timer.Periodic(1000*dt);
    }
   
private:
    RGen rgen;
    Timer m_timer;
    FLEXT_CALLBACK_I(m_seed);
    FLEXT_CALLBACK_T(m_perform);
    FLEXT_CALLBACK_F(m_set);
};

FLEXT_LIB_V("LFClipNoise",LFClipNoise_kr);

LFClipNoise_kr::LFClipNoise_kr(int argc, t_atom *argv)
{
    FLEXT_ADDMETHOD_(0,"seed",m_seed);
    FLEXT_ADDMETHOD_(0,"set",m_set);
    FLEXT_ADDTIMER(m_timer,m_perform);
    
    //parse arguments
    AtomList Args(argc,argv);
    
    double dt = sc_min(1/sc_getfloatarg(Args,0), .001f);
    
    rgen.init(timeseed());

    m_timer.Periodic(1000*dt);

    AddOutFloat();
}

void LFClipNoise_kr::m_perform()
{
    ToOutFloat(0,rgen.fcoin());
}

Index: support.cpp
===================================================================
RCS file: /cvsroot/pure-data/externals/sc4pd/source/support.cpp,v
retrieving revision 1.1
retrieving revision 1.2
diff -C2 -d -r1.1 -r1.2
*** support.cpp	15 Jul 2004 19:03:22 -0000	1.1
--- support.cpp	15 Jul 2004 21:34:12 -0000	1.2
***************
*** 36,42 ****
  
  #include <flext.h>
  #include "SC_PlugIn.h"
  
- #include <sys/time.h>
  
  #if !defined(FLEXT_VERSION) || (FLEXT_VERSION < 406)
--- 36,42 ----
  
  #include <flext.h>
+ #include <flsupport.h>
  #include "SC_PlugIn.h"
  
  
  #if !defined(FLEXT_VERSION) || (FLEXT_VERSION < 406)
***************
*** 44,48 ****
  #endif
  
- 
  bool sc_add (flext::AtomList a)
  {
--- 44,47 ----
***************
*** 97,102 ****
  {
  	static int32 count = 0;
! 	struct timeval tv;
! 	gettimeofday(&tv, 0);
! 	return (int32)tv.tv_sec ^ (int32)tv.tv_usec ^ count--;
  }
--- 96,110 ----
  {
  	static int32 count = 0;
! 
! 	double time = flext::GetOSTime();
! 	
! 	double sec = trunc(time);
! 	double usec = (time-sec)*1e6;
! 	
! 	time_t tsec = sec;
! 	suseconds_t tusec =usec;       /* not exacty the way, it's calculated
! 					  in SuperCollider, but it's only 
! 					  the seed */
! 	
! 	return (int32)tsec ^ (int32)tusec ^ count--;
  }

Index: ClipNoise.cpp
===================================================================
RCS file: /cvsroot/pure-data/externals/sc4pd/source/ClipNoise.cpp,v
retrieving revision 1.2
retrieving revision 1.3
diff -C2 -d -r1.2 -r1.3
*** ClipNoise.cpp	15 Jul 2004 19:05:05 -0000	1.2
--- ClipNoise.cpp	15 Jul 2004 21:34:12 -0000	1.3
***************
*** 135,143 ****
      rgen.init(timeseed());
  
!     AddOutFloat();
  }
  
  void ClipNoise_kr::m_perform()
  {
!     ToOutFloat(0,rgen.fcoin());
  }
--- 135,143 ----
      rgen.init(timeseed());
  
!     AddOutInt();
  }
  
  void ClipNoise_kr::m_perform()
  {
!     ToOutInt(0,rgen.fcoin());
  }





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