From d0ae3caca5828675335d3b19ab5dd987e7369b23 Mon Sep 17 00:00:00 2001 From: Tim Blechmann Date: Wed, 14 Jul 2004 16:21:44 +0000 Subject: This commit was generated by cvs2svn to compensate for changes in r1857, which included commits to RCS files with non-trunk default branches. svn path=/trunk/externals/tb/; revision=1858 --- sc4pd/source/PinkNoise.cpp | 168 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 168 insertions(+) create mode 100644 sc4pd/source/PinkNoise.cpp (limited to 'sc4pd/source/PinkNoise.cpp') diff --git a/sc4pd/source/PinkNoise.cpp b/sc4pd/source/PinkNoise.cpp new file mode 100644 index 0000000..bf6db62 --- /dev/null +++ b/sc4pd/source/PinkNoise.cpp @@ -0,0 +1,168 @@ +/* sc4pd + PinkNoise, PinkNoise~ + + 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: Gottfried Michael Koenig: Klangfiguren II + +*/ + +#include +#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 + + +/* ------------------------ PinkNoise~ -------------------------------*/ + +class PinkNoise_ar: + public flext_dsp +{ + FLEXT_HEADER(PinkNoise_ar,flext_dsp); + +public: + PinkNoise_ar(int argc, t_atom *argv); + +protected: + virtual void m_signal(int n, t_sample *const *in, t_sample *const *out); + +private: + uint32 m_dice[16]; + int32 m_total; + RGen rgen; +}; + +FLEXT_LIB_DSP_V("PinkNoise~",PinkNoise_ar); + +PinkNoise_ar::PinkNoise_ar(int argc, t_atom *argv) + : m_total(0) +{ + + //parse arguments + AtomList Args(argc,argv); + + rgen.init(0); //set seed to 0 + + for (int i=0; i<16; ++i) + { + uint32 newrand = rgen.trand() >> 13; + m_total += newrand; + m_dice[i] = newrand; + } + + AddOutSignal(); +} + + +void PinkNoise_ar::m_signal(int n, t_sample *const *in, + t_sample *const *out) +{ + t_sample *nout = *out; + + RGET; + uint32 total = m_total; + uint32 *dice = m_dice; + + for (int i = 0; i!= n;++i) + { + uint32 counter = trand(s1,s2,s3); // Magnus Jonsson's suggestion. + uint32 newrand = counter >> 13; + int k = (CTZ(counter)) & 15; + uint32 prevrand = dice[k]; + dice[k] = newrand; + total += (newrand - prevrand); + newrand = trand(s1,s2,s3) >> 13; + uint32 ifval = (total + newrand) | 0x40000000; + (*(nout)++) = ((*(float*)&ifval) - 3.0f); + } + RPUT; +} + + +/* ------------------------ PinkNoise ---------------------------------*/ + +class PinkNoise_kr: + public flext_base +{ + FLEXT_HEADER(PinkNoise_kr,flext_base); + +public: + PinkNoise_kr(int argc, t_atom *argv); + +protected: + void m_perform(); + +private: + uint32 m_dice[16]; + int32 m_total; + RGen rgen; + FLEXT_CALLBACK(m_perform); +}; + +FLEXT_LIB_V("PinkNoise",PinkNoise_kr); + +PinkNoise_kr::PinkNoise_kr(int argc, t_atom *argv) + : m_total(0) +{ + FLEXT_ADDBANG(0,m_perform); + + //parse arguments + AtomList Args(argc,argv); + + rgen.init(0); //set seed to 0 + + for (int i=0; i<16; ++i) + { + uint32 newrand = rgen.trand() >> 13; + m_total += newrand; + m_dice[i] = newrand; + } + + AddOutFloat(); +} + +void PinkNoise_kr::m_perform() +{ + uint32 counter = rgen.trand(); // Magnus Jonsson's suggestion. + uint32 newrand = counter >> 13; + int k = (CTZ(counter)) & 15; + uint32 prevrand = m_dice[k]; + m_dice[k] = newrand; + m_total += (newrand - prevrand); + newrand = rgen.trand() >> 13; + uint32 ifval = (m_total + newrand) | 0x40000000; + + ToOutFloat(0,((*(float*)&ifval) - 3.0f)); +} -- cgit v1.2.1 From 9ecfff90135ec05498f9f55a39cd386c855a8571 Mon Sep 17 00:00:00 2001 From: Tim Blechmann Date: Thu, 15 Jul 2004 19:05:05 +0000 Subject: rng have setable seed and other changes svn path=/trunk/externals/tb/; revision=1867 --- sc4pd/source/PinkNoise.cpp | 18 ++++++++++++++++-- 1 file changed, 16 insertions(+), 2 deletions(-) (limited to 'sc4pd/source/PinkNoise.cpp') diff --git a/sc4pd/source/PinkNoise.cpp b/sc4pd/source/PinkNoise.cpp index bf6db62..9a1c5bc 100644 --- a/sc4pd/source/PinkNoise.cpp +++ b/sc4pd/source/PinkNoise.cpp @@ -57,11 +57,17 @@ public: protected: virtual void m_signal(int n, t_sample *const *in, t_sample *const *out); + + void m_seed(int i) + { + rgen.init(i); + } private: uint32 m_dice[16]; int32 m_total; RGen rgen; + FLEXT_CALLBACK_I(m_seed); }; FLEXT_LIB_DSP_V("PinkNoise~",PinkNoise_ar); @@ -69,11 +75,12 @@ FLEXT_LIB_DSP_V("PinkNoise~",PinkNoise_ar); PinkNoise_ar::PinkNoise_ar(int argc, t_atom *argv) : m_total(0) { + FLEXT_ADDMETHOD_(0,"seed",m_seed); //parse arguments AtomList Args(argc,argv); - rgen.init(0); //set seed to 0 + rgen.init(timeseed()); for (int i=0; i<16; ++i) { @@ -123,12 +130,18 @@ public: protected: void m_perform(); + + void m_seed(int i) + { + rgen.init(i); + } private: uint32 m_dice[16]; int32 m_total; RGen rgen; FLEXT_CALLBACK(m_perform); + FLEXT_CALLBACK_I(m_seed); }; FLEXT_LIB_V("PinkNoise",PinkNoise_kr); @@ -137,11 +150,12 @@ PinkNoise_kr::PinkNoise_kr(int argc, t_atom *argv) : m_total(0) { FLEXT_ADDBANG(0,m_perform); + FLEXT_ADDMETHOD_(0,"seed",m_seed); //parse arguments AtomList Args(argc,argv); - rgen.init(0); //set seed to 0 + rgen.init(timeseed()); for (int i=0; i<16; ++i) { -- cgit v1.2.1 From 5e1268fb9920b248ee377797b130605f669c6dee Mon Sep 17 00:00:00 2001 From: Tim Blechmann Date: Mon, 2 Aug 2004 19:18:22 +0000 Subject: main header file svn path=/trunk/externals/tb/; revision=1903 --- sc4pd/source/PinkNoise.cpp | 10 +--------- 1 file changed, 1 insertion(+), 9 deletions(-) (limited to 'sc4pd/source/PinkNoise.cpp') diff --git a/sc4pd/source/PinkNoise.cpp b/sc4pd/source/PinkNoise.cpp index 9a1c5bc..513d02a 100644 --- a/sc4pd/source/PinkNoise.cpp +++ b/sc4pd/source/PinkNoise.cpp @@ -35,15 +35,7 @@ */ -#include -#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 - +#include "sc4pd.hpp" /* ------------------------ PinkNoise~ -------------------------------*/ -- cgit v1.2.1 From 89f570e5ebeab979202acf679974bafd05072692 Mon Sep 17 00:00:00 2001 From: Tim Blechmann Date: Sat, 7 Aug 2004 14:01:31 +0000 Subject: sc4pd_dsp class and other changes svn path=/trunk/externals/tb/; revision=1912 --- sc4pd/source/PinkNoise.cpp | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'sc4pd/source/PinkNoise.cpp') diff --git a/sc4pd/source/PinkNoise.cpp b/sc4pd/source/PinkNoise.cpp index 513d02a..296f383 100644 --- a/sc4pd/source/PinkNoise.cpp +++ b/sc4pd/source/PinkNoise.cpp @@ -40,9 +40,9 @@ /* ------------------------ PinkNoise~ -------------------------------*/ class PinkNoise_ar: - public flext_dsp + public sc4pd_dsp { - FLEXT_HEADER(PinkNoise_ar,flext_dsp); + FLEXT_HEADER(PinkNoise_ar,sc4pd_dsp); public: PinkNoise_ar(int argc, t_atom *argv); -- cgit v1.2.1