Merge branchesHEADsvn2git-headmaster

- abstractions/tb
- externals/tb

1 files changed, 195 insertions, 0 deletions

diff --git a/sc4pd/source/LFClipNoise.cpp b/sc4pd/source/LFClipNoise.cpp
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+/* 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 "sc4pd.hpp"
+
+
+/* ------------------------ LFClipNoise~ -------------------------------*/
+
+class LFClipNoise_ar:
+    public sc4pd_dsp
+{
+    FLEXT_HEADER(LFClipNoise_ar,sc4pd_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*);
+    
+    void m_seed(int i)
+    {
+	rgen.init(i);
+    }
+ 
+    void m_set(float f)
+    {
+	double dt = sc_max(1/f, .001f);
+	m_timer.Reset();
+	m_timer.Periodic(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_max(1/sc_getfloatarg(Args,0), .001f);
+    
+    rgen.init(timeseed());
+
+    m_timer.Periodic(dt);
+
+    AddOutFloat();
+}
+
+void LFClipNoise_kr::m_perform(void*)
+{
+    ToOutFloat(0,rgen.fcoin());
+}