From 9b76d2cfe25558b3f1951fcf8ee26982beca1e48 Mon Sep 17 00:00:00 2001 From: Tim Blechmann Date: Fri, 23 Jul 2004 10:01:56 +0000 Subject: added LinCong ugen svn path=/trunk/externals/tb/; revision=1887 --- sc4pd/source/LinCong.cpp | 218 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 218 insertions(+) create mode 100644 sc4pd/source/LinCong.cpp (limited to 'sc4pd/source/LinCong.cpp') diff --git a/sc4pd/source/LinCong.cpp b/sc4pd/source/LinCong.cpp new file mode 100644 index 0000000..0da0df7 --- /dev/null +++ b/sc4pd/source/LinCong.cpp @@ -0,0 +1,218 @@ +/* sc4pd + LinCong, LinCong~ + + 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: Keith Rowe & John Tilbury: Duos For Doris + +*/ + +#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 + + +/* ------------------------ LinCong~ -------------------------------*/ + +class LinCong_ar: + public flext_dsp +{ + FLEXT_HEADER(LinCong_ar,flext_dsp); + +public: + LinCong_ar(int argc, t_atom *argv); + +protected: + virtual void m_signal(int n, t_sample *const *in, t_sample *const *out); + + void m_set_seed(float f) + { + m_seed = (int)f; + } + + void m_set_mul(float f) + { + m_mul = (int)f; + } + + void m_set_add(float f) + { + m_add = (int)f; + } + + void m_set_mod(float f) + { + m_mod = (int)f; + m_scale = 2/f; //output between -1 and 1 + } + +private: + unsigned int m_seed; //seed + unsigned int m_mul, m_add, m_mod; //parameters + + float m_scale; + + FLEXT_CALLBACK_F(m_set_seed); + FLEXT_CALLBACK_F(m_set_mul); + FLEXT_CALLBACK_F(m_set_add); + FLEXT_CALLBACK_F(m_set_mod); +}; + +FLEXT_LIB_DSP_V("LinCong~",LinCong_ar); + +LinCong_ar::LinCong_ar(int argc, t_atom *argv) +{ + FLEXT_ADDMETHOD_(0,"seed",m_set_seed); + FLEXT_ADDMETHOD_(0,"mul",m_set_mul); + FLEXT_ADDMETHOD_(0,"add",m_set_add); + FLEXT_ADDMETHOD_(0,"mod",m_set_mod); + + //parse arguments + AtomList Args(argc,argv); + if (Args.Count()!=4) + { + post("4 arguments needed"); + } + m_seed = sc_getfloatarg(Args,0); + m_mul = sc_getfloatarg(Args,1); + m_add = sc_getfloatarg(Args,2); + m_set_mod(sc_getfloatarg(Args,3)); + + AddOutSignal(); +} + + +void LinCong_ar::m_signal(int n, t_sample *const *in, + t_sample *const *out) +{ + t_sample *xout = *out; + + + unsigned int seed = m_seed; + unsigned int mul = m_mul; + unsigned int add = m_add; + unsigned int mod = m_mod; + + float scale = m_scale; + + for (int i = 0; i!= n;++i) + { + seed=(seed * mul + add) % mod; + (*(xout)++)=float(seed)*scale - 1; + } + + m_seed = seed; +} + + + +/* ------------------------ LinCong ---------------------------------*/ + +class LinCong_kr: + public flext_base +{ + FLEXT_HEADER(LinCong_kr,flext_base); + +public: + LinCong_kr(int argc, t_atom *argv); + +protected: + void m_perform(); + + void m_set_seed(float f) + { + m_seed = (int)f; + } + + void m_set_mul(float f) + { + m_mul = (int)f; + } + + void m_set_add(float f) + { + m_add = (int)f; + } + + void m_set_mod(float f) + { + m_mod = (int)f; + m_scale = 2/f; //output between -1 and 1 + } + +private: + unsigned int m_seed; //seed + unsigned int m_mul, m_add, m_mod; //parameters + + float m_scale; + + FLEXT_CALLBACK_F(m_set_seed); + FLEXT_CALLBACK_F(m_set_mul); + FLEXT_CALLBACK_F(m_set_add); + FLEXT_CALLBACK_F(m_set_mod); + FLEXT_CALLBACK(m_perform); +}; + + +FLEXT_LIB_V("LinCong",LinCong_kr); + +LinCong_kr::LinCong_kr(int argc, t_atom *argv) +{ + FLEXT_ADDMETHOD_(0,"seed",m_set_seed); + FLEXT_ADDMETHOD_(0,"mul",m_set_mul); + FLEXT_ADDMETHOD_(0,"add",m_set_add); + FLEXT_ADDMETHOD_(0,"mod",m_set_mod); + FLEXT_ADDBANG(0,m_perform); + + //parse arguments + AtomList Args(argc,argv); + if (Args.Count()!=4) + { + post("4 arguments needed"); + } + m_seed = sc_getfloatarg(Args,0); + m_mul = sc_getfloatarg(Args,1); + m_add = sc_getfloatarg(Args,2); + m_set_mod(sc_getfloatarg(Args,3)); + + AddOutFloat(); +} + +void LinCong_kr::m_perform() +{ + m_seed=(m_seed * m_mul + m_add) % m_mod; + ToOutFloat(0,float(m_seed) * m_scale - 1); +} -- 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/LinCong.cpp | 9 +-------- 1 file changed, 1 insertion(+), 8 deletions(-) (limited to 'sc4pd/source/LinCong.cpp') diff --git a/sc4pd/source/LinCong.cpp b/sc4pd/source/LinCong.cpp index 0da0df7..4f0b327 100644 --- a/sc4pd/source/LinCong.cpp +++ b/sc4pd/source/LinCong.cpp @@ -35,14 +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" /* ------------------------ LinCong~ -------------------------------*/ -- 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/LinCong.cpp | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'sc4pd/source/LinCong.cpp') diff --git a/sc4pd/source/LinCong.cpp b/sc4pd/source/LinCong.cpp index 4f0b327..fdead9c 100644 --- a/sc4pd/source/LinCong.cpp +++ b/sc4pd/source/LinCong.cpp @@ -41,9 +41,9 @@ /* ------------------------ LinCong~ -------------------------------*/ class LinCong_ar: - public flext_dsp + public sc4pd_dsp { - FLEXT_HEADER(LinCong_ar,flext_dsp); + FLEXT_HEADER(LinCong_ar,sc4pd_dsp); public: LinCong_ar(int argc, t_atom *argv); -- cgit v1.2.1