From 1c90c506bb91c8ba80390d81a168e7425190e2bb Mon Sep 17 00:00:00 2001 From: Tim Blechmann Date: Sat, 7 Aug 2004 14:05:40 +0000 Subject: checkins svn path=/trunk/externals/tb/; revision=1913 --- sc4pd/pd/onepole.pd | 28 ++++++ sc4pd/pd/pitchshift.pd | 19 ++++ sc4pd/pd/resonz.pd | 15 +++ sc4pd/source/OnePole.cpp | 245 +++++++++++++++++++++++++++++++++++++++++++++++ sc4pd/source/Resonz.cpp | 190 ++++++++++++++++++++++++++++++++++++ 5 files changed, 497 insertions(+) create mode 100644 sc4pd/pd/onepole.pd create mode 100644 sc4pd/pd/pitchshift.pd create mode 100644 sc4pd/pd/resonz.pd create mode 100644 sc4pd/source/OnePole.cpp create mode 100644 sc4pd/source/Resonz.cpp diff --git a/sc4pd/pd/onepole.pd b/sc4pd/pd/onepole.pd new file mode 100644 index 0000000..cd816f5 --- /dev/null +++ b/sc4pd/pd/onepole.pd @@ -0,0 +1,28 @@ +#N canvas 0 0 450 300 10; +#X obj 12 159 dac~; +#X obj 89 131 print~; +#X obj 144 112 bng 15 250 50 0 empty empty empty 0 -6 0 8 -262144 -1 +-1; +#X floatatom 112 20 5 0 0 0 - - -; +#X floatatom 265 37 9 0 0 0 - - -; +#X floatatom 266 110 9 0 0 0 - - -; +#X obj 18 28 WhiteNoise~; +#X msg 89 60 coef \$1; +#X obj 18 86 OnePole~ 0.3; +#X obj 85 251 dac~; +#X obj 94 211 OnePole~ 0.3 ar; +#X obj 94 171 Dust~ 444; +#X obj 266 78 OnePole 0.3; +#X connect 2 0 1 0; +#X connect 3 0 7 0; +#X connect 4 0 12 0; +#X connect 6 0 8 0; +#X connect 7 0 8 0; +#X connect 8 0 1 0; +#X connect 8 0 0 0; +#X connect 8 0 0 1; +#X connect 10 0 9 0; +#X connect 10 0 9 1; +#X connect 11 0 10 1; +#X connect 11 0 10 0; +#X connect 12 0 5 0; diff --git a/sc4pd/pd/pitchshift.pd b/sc4pd/pd/pitchshift.pd new file mode 100644 index 0000000..e7653bc --- /dev/null +++ b/sc4pd/pd/pitchshift.pd @@ -0,0 +1,19 @@ +#N canvas 317 183 450 300 10; +#X floatatom 152 51 5 0 0 0 - - -; +#X obj 67 187 dac~; +#X floatatom 264 55 5 0 0 0 - - -; +#X obj 76 55 osc~ 440; +#X msg 152 80 pitchRatio \$1; +#X msg 264 79 pitchDispersion \$1; +#X floatatom 264 101 5 0 0 0 - - -; +#X msg 264 125 timeDispersion \$1; +#X obj 62 129 PitchShift~ 0.02 0.5 0 0; +#X connect 0 0 4 0; +#X connect 2 0 5 0; +#X connect 3 0 8 0; +#X connect 4 0 8 0; +#X connect 5 0 8 0; +#X connect 6 0 7 0; +#X connect 7 0 8 0; +#X connect 8 0 1 0; +#X connect 8 0 1 1; diff --git a/sc4pd/pd/resonz.pd b/sc4pd/pd/resonz.pd new file mode 100644 index 0000000..e23cf4e --- /dev/null +++ b/sc4pd/pd/resonz.pd @@ -0,0 +1,15 @@ +#N canvas 0 0 450 300 10; +#X floatatom 188 40 5 0 0 0 - - -; +#X obj 67 187 dac~; +#X floatatom 316 83 5 0 0 0 - - -; +#X msg 185 88 freq \$1; +#X msg 316 107 rq \$1; +#X obj 79 57 Dust~ 44; +#X obj 77 138 Resonz~ 440 20; +#X connect 0 0 3 0; +#X connect 2 0 4 0; +#X connect 3 0 6 0; +#X connect 4 0 6 0; +#X connect 5 0 6 0; +#X connect 6 0 1 0; +#X connect 6 0 1 1; diff --git a/sc4pd/source/OnePole.cpp b/sc4pd/source/OnePole.cpp new file mode 100644 index 0000000..310bf54 --- /dev/null +++ b/sc4pd/source/OnePole.cpp @@ -0,0 +1,245 @@ +/* sc4pd + OnePole, OnePole~ + + 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: + +*/ + +#include "sc4pd.hpp" + +/* ------------------------ OnePole~ -------------------------------*/ + +class OnePole_ar: + public sc4pd_dsp +{ + FLEXT_HEADER(OnePole_ar,sc4pd_dsp); + +public: + OnePole_ar(int argc, t_atom *argv); + +protected: + virtual void m_signal(int n, t_sample *const *in, t_sample *const *out) + { + m_signal_fun(n,in,out); + } + + void m_set(float f) + { + n_b1=f; + changed = true; + } + + void m_ar() + { + SETSIGFUN(m_signal_fun,SIGFUN(m_signal_ar)); + } + + void m_kr() + { + SETSIGFUN(m_signal_fun,SIGFUN(m_signal_kr)); + } + +private: + float m_b1, m_y1; + float n_b1; + bool changed; + + DEFSIGCALL (m_signal_fun); + DEFSIGFUN (m_signal_ar); + DEFSIGFUN (m_signal_kr); + + FLEXT_CALLBACK_F(m_set); + FLEXT_CALLBACK(m_ar); + FLEXT_CALLBACK(m_kr); +}; + +FLEXT_LIB_DSP_V("OnePole~",OnePole_ar); + +OnePole_ar::OnePole_ar(int argc, t_atom *argv) +{ + FLEXT_ADDMETHOD_(0,"coef",m_set); + FLEXT_ADDMETHOD_(0,"ar",m_ar); + FLEXT_ADDMETHOD_(0,"kr",m_kr); + + //parse arguments + AtomList Args(argc,argv); + + m_b1 = sc_getfloatarg(Args,0); + + if(sc_ar(Args)) + { + SETSIGFUN(m_signal_fun,SIGFUN(m_signal_ar)); + AddInSignal(); + AddInSignal(); + } + else // if not given, use control rate + SETSIGFUN(m_signal_fun,SIGFUN(m_signal_kr)); + + AddOutSignal(); + + m_y1 = 0.f; +} + +void OnePole_ar::m_signal_ar(int n, t_sample *const *in, + t_sample *const *out) +{ + t_sample *nin = *in; + t_sample *nout = *out; + float *b1p = *(in+1); + + float y1 = m_y1; + + for (int i = 0; i!= n;++i) + { + float y0 = ZXP(nin); + float b1 = ZXP(b1p); + ZXP(nout) = y1 = y0 + b1 * (y1 - y0); + } + m_y1 = zapgremlins(y1); +} + + +void OnePole_ar::m_signal_kr(int n, t_sample *const *in, + t_sample *const *out) +{ + t_sample *nin = *in; + t_sample *nout = *out; + + float b1 = m_b1; + float y1 = m_y1; + + if (changed) + { + m_b1=n_b1; + float b1_slope = CALCSLOPE(m_b1, b1); + if (b1 >= 0.f && m_b1 >= 0) + { + for (int i = 0; i!= n;++i) + { + float y0 = ZXP(nin); + ZXP(nout) = y1 = y0 + b1 * (y1 - y0); + b1 += b1_slope; + } + } + else if (b1 <= 0.f && m_b1 <= 0) + { + for (int i = 0; i!= n;++i) + { + float y0 = ZXP(nin); + ZXP(nout) = y1 = y0 + b1 * (y1 + y0); + b1 += b1_slope; + } + } + else + { + for (int i = 0; i!= n;++i) + { + float y0 = ZXP(nin); + ZXP(nout) = y1 = (1.f - fabs(b1)) * y0 + b1 * y1; + b1 += b1_slope; + } + } + changed = false; + } + else + { + if (b1 >= 0.f) + { + for (int i = 0; i!= n;++i) + { + float y0 = ZXP(nin); + ZXP(nout) = y1 = y0 + b1 * (y1 - y0); + } + } + else + { + for (int i = 0; i!= n;++i) + { + float y0 = ZXP(nin); + ZXP(nout) = y1 = y0 + b1 * (y1 + y0); + } + } + + } + m_y1 = zapgremlins(y1); +} + +/* ------------------------ OnePole ---------------------------------*/ + + +class OnePole_kr: + public flext_base +{ + FLEXT_HEADER(OnePole_kr,flext_base); + +public: + OnePole_kr(int argc, t_atom *argv); + +protected: + void m_perform(float f); + + void m_set(float f) + { + m_b1=f; + } + +private: + float m_b1, m_y1; + + FLEXT_CALLBACK_F(m_set); + FLEXT_CALLBACK_F(m_perform); +}; + + +FLEXT_LIB_V("OnePole",OnePole_kr); + +OnePole_kr::OnePole_kr(int argc, t_atom *argv) +{ + FLEXT_ADDMETHOD(0,m_perform); + FLEXT_ADDMETHOD_(0,"set",m_set); + + AddOutFloat(); + + //parse arguments + AtomList Args(argc,argv); + + m_b1 = sc_getfloatarg(Args,0); + + m_y1=0; +} + +void OnePole_kr::m_perform(float f) +{ + m_y1= f + m_b1 * (m_y1 - f); + ToOutFloat(0,m_y1); +} diff --git a/sc4pd/source/Resonz.cpp b/sc4pd/source/Resonz.cpp new file mode 100644 index 0000000..4561b9a --- /dev/null +++ b/sc4pd/source/Resonz.cpp @@ -0,0 +1,190 @@ +/* sc4pd + Resonz~, Resonz + + 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: MIMEO: Electric Chair And Table + +*/ + +#include "sc4pd.hpp" + +/* ------------------------ Resonz~ -----------------------------*/ + +class Resonz_ar + :public sc4pd_dsp +{ + FLEXT_HEADER(Resonz_ar,sc4pd_dsp); + +public: + Resonz_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_set_freq(float f) + { + m_freq = f; + m_ffreq = m_freq * mRadiansPerSample; + changed = true; + } + void m_set_rq(float f) + { + m_rq = f; + changed = true; + } + +private: + FLEXT_CALLBACK_F(m_set_freq); + FLEXT_CALLBACK_F(m_set_rq); + float m_y1, m_y2, m_a0, m_b1, m_b2, m_freq, m_rq, m_ffreq; + bool changed; + + float mRadiansPerSample, mFilterSlope, mFilterLoops, mFilterRemain; +}; + +FLEXT_LIB_DSP_V("Resonz~",Resonz_ar); + +Resonz_ar::Resonz_ar(int argc,t_atom * argv) +{ + FLEXT_ADDMETHOD_(0,"freq",m_set_freq); + FLEXT_ADDMETHOD_(0,"rq",m_set_rq); + + AtomList Args(argc,argv); + m_freq = sc_getfloatarg(Args,0); + m_rq = sc_getfloatarg(Args,1); + + AddOutSignal(); + + m_a0 = 0.f; + m_b1 = 0.f; + m_b2 = 0.f; + m_y1 = 0.f; + m_y2 = 0.f; + changed = false; +} + +void Resonz_ar::m_dsp(int n, t_sample *const *in, + t_sample *const *out) +{ + mRadiansPerSample = sc_radianspersample(); + mFilterSlope = sc_filterslope(); + mFilterLoops = sc_filterloops(); + mFilterRemain = sc_filterremain(); + + m_ffreq = m_freq * mRadiansPerSample; +} + +void Resonz_ar::m_signal(int n, t_sample *const *in, + t_sample *const *out) +{ + t_sample *nout = *out; + t_sample *nin = *in; + + float y0; + float y1 = m_y1; + float y2 = m_y2; + float a0 = m_a0; + float b1 = m_b1; + float b2 = m_b2; + + if (changed = true) + { + float B = m_ffreq * m_rq; + float R = 1.f - B * 0.5f; + float twoR = 2.f * R; + float R2 = R * R; + float cost = (twoR * cos(m_ffreq)) / (1.f + R2); + float b1_next = twoR * cost; + float b2_next = -R2; + float a0_next = (1.f - R2) * 0.5f; + float a0_slope = (a0_next - a0) * mFilterSlope; + float b1_slope = (b1_next - b1) * mFilterSlope; + float b2_slope = (b2_next - b2) * mFilterSlope; + + for (int i = 0; i!= mFilterLoops;++i) + { + y0 = ZXP(nin) + b1 * y1 + b2 * y2; + ZXP(nout) = a0 * (y0 - y2); + + y2 = ZXP(nin) + b1 * y0 + b2 * y1; + ZXP(nout) = a0 * (y2 - y1); + + y1 = ZXP(nin) + b1 * y2 + b2 * y0; + ZXP(nout) = a0 * (y1 - y0); + + a0 += a0_slope; + b1 += b1_slope; + b2 += b2_slope; + } + + for (int i = 0; i!= mFilterRemain;++i) + { + y0 = ZXP(nin) + b1 * y1 + b2 * y2; + ZXP(nout) = a0 * (y0 - y2); + y2 = y1; + y1 = y0; + } + + m_a0 = a0_next; + m_b1 = b1_next; + m_b2 = b2_next; + changed = false; + } + else + { + for (int i = 0; i!= mFilterLoops;++i) + { + y0 = ZXP(nin) + b1 * y1 + b2 * y2; + ZXP(nout) = a0 * (y0 - y2); + + y2 = ZXP(nin) + b1 * y0 + b2 * y1; + ZXP(nout) = a0 * (y2 - y1); + + y1 = ZXP(nin) + b1 * y2 + b2 * y0; + ZXP(nout) = a0 * (y1 - y0); + } + + for (int i = 0; i!= mFilterRemain;++i) + { + y0 = ZXP(nin) + b1 * y1 + b2 * y2; + ZXP(nout) = a0 * (y0 - y2); + y2 = y1; + y1 = y0; + } + } + m_y1 = zapgremlins(y1); + m_y2 = zapgremlins(y2); +} + + +/* no control rate resonz */ -- cgit v1.2.1