From 2bc701fec065db8d399498a8c2f4f4145acf3369 Mon Sep 17 00:00:00 2001 From: Tim Blechmann Date: Thu, 15 Jul 2004 21:34:12 +0000 Subject: the work of this evening ... svn path=/trunk/externals/tb/; revision=1868 --- sc4pd/source/LFNoise0.cpp | 202 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 202 insertions(+) create mode 100644 sc4pd/source/LFNoise0.cpp (limited to 'sc4pd/source/LFNoise0.cpp') diff --git a/sc4pd/source/LFNoise0.cpp b/sc4pd/source/LFNoise0.cpp new file mode 100644 index 0000000..6e9c5bb --- /dev/null +++ b/sc4pd/source/LFNoise0.cpp @@ -0,0 +1,202 @@ +/* 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 +#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()); +} -- cgit v1.2.1 From c1f0c701a5b598e665b0e884081c9a02c44a2550 Mon Sep 17 00:00:00 2001 From: Tim Blechmann Date: Fri, 16 Jul 2004 16:43:48 +0000 Subject: *** empty log message *** svn path=/trunk/externals/tb/; revision=1869 --- sc4pd/source/LFNoise0.cpp | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) (limited to 'sc4pd/source/LFNoise0.cpp') diff --git a/sc4pd/source/LFNoise0.cpp b/sc4pd/source/LFNoise0.cpp index 6e9c5bb..c0f8abd 100644 --- a/sc4pd/source/LFNoise0.cpp +++ b/sc4pd/source/LFNoise0.cpp @@ -154,8 +154,8 @@ public: LFNoise0_kr(int argc, t_atom *argv); protected: - void m_perform(); - + void m_perform(void*); + void m_seed(int i) { rgen.init(i); @@ -163,9 +163,9 @@ protected: void m_set(float f) { - double dt = sc_min(1/f, .001f); + double dt = sc_max(1/f, .001f); m_timer.Reset(); - m_timer.Periodic(1000*dt); + m_timer.Periodic(dt); } private: @@ -187,16 +187,16 @@ LFNoise0_kr::LFNoise0_kr(int argc, t_atom *argv) //parse arguments AtomList Args(argc,argv); - double dt = sc_min(1/sc_getfloatarg(Args,0), .001f); + double dt = sc_max(1/sc_getfloatarg(Args,0), .001f); rgen.init(timeseed()); - m_timer.Periodic(1000*dt); + m_timer.Periodic(dt); AddOutFloat(); } -void LFNoise0_kr::m_perform() +void LFNoise0_kr::m_perform(void*) { ToOutFloat(0,rgen.frand2()); } -- 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/LFNoise0.cpp | 9 +-------- 1 file changed, 1 insertion(+), 8 deletions(-) (limited to 'sc4pd/source/LFNoise0.cpp') diff --git a/sc4pd/source/LFNoise0.cpp b/sc4pd/source/LFNoise0.cpp index c0f8abd..a548e9e 100644 --- a/sc4pd/source/LFNoise0.cpp +++ b/sc4pd/source/LFNoise0.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" /* ------------------------ LFNoise0~ -------------------------------*/ -- 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/LFNoise0.cpp | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'sc4pd/source/LFNoise0.cpp') diff --git a/sc4pd/source/LFNoise0.cpp b/sc4pd/source/LFNoise0.cpp index a548e9e..9ee9ff6 100644 --- a/sc4pd/source/LFNoise0.cpp +++ b/sc4pd/source/LFNoise0.cpp @@ -41,9 +41,9 @@ /* ------------------------ LFNoise0~ -------------------------------*/ class LFNoise0_ar: - public flext_dsp + public sc4pd_dsp { - FLEXT_HEADER(LFNoise0_ar,flext_dsp); + FLEXT_HEADER(LFNoise0_ar,sc4pd_dsp); public: LFNoise0_ar(int argc, t_atom *argv); -- cgit v1.2.1