aboutsummaryrefslogtreecommitdiff
path: root/sc4pd
diff options
context:
space:
mode:
authorTim Blechmann <timblech@users.sourceforge.net>2004-08-07 22:57:36 +0000
committerIOhannes m zmölnig <zmoelnig@iem.at>2015-10-14 15:11:56 +0200
commitea10413727c241467ab729cee102dd68534f4db9 (patch)
tree25e178562c96536b7246f216c580d4158c8277e7 /sc4pd
parent13803d97db1f5f234cb2358d255b86571f93cdb9 (diff)
*** empty log message ***
svn path=/trunk/externals/tb/; revision=1915
Diffstat (limited to 'sc4pd')
-rwxr-xr-xsc4pd/config-pd-linux.txt2
-rwxr-xr-xsc4pd/make-files.txt2
-rw-r--r--sc4pd/makefile.pd-linux2
-rw-r--r--sc4pd/pd/fos.pd45
-rw-r--r--sc4pd/pd/sos.pd38
-rw-r--r--sc4pd/pd/twozero.pd15
-rw-r--r--sc4pd/source/DelayUnit.cpp2
-rw-r--r--sc4pd/source/DelayUnit.hpp2
-rw-r--r--sc4pd/source/FOS.cpp258
-rw-r--r--sc4pd/source/SOS.cpp258
-rw-r--r--sc4pd/source/TwoZero.cpp175
-rw-r--r--sc4pd/source/main.cpp13
12 files changed, 804 insertions, 8 deletions
diff --git a/sc4pd/config-pd-linux.txt b/sc4pd/config-pd-linux.txt
index 1e95392..9b46ed4 100755
--- a/sc4pd/config-pd-linux.txt
+++ b/sc4pd/config-pd-linux.txt
@@ -1,7 +1,7 @@
# config file for sc4pd, adapted from Thomas Grill's xsample makefile
# your c++ compiler (if not g++)
- CXX=icc
+# CXX=icc
# where does the PD installation reside?
diff --git a/sc4pd/make-files.txt b/sc4pd/make-files.txt
index a9b154f..d6e04d5 100755
--- a/sc4pd/make-files.txt
+++ b/sc4pd/make-files.txt
@@ -13,4 +13,4 @@ SRCS= \
Lag2.cpp Lag3.cpp LinExp.cpp DelayUnit.cpp DelayN.cpp DelayL.cpp \
DelayC.cpp CombN.cpp CombL.cpp CombC.cpp AllpassN.cpp AllpassL.cpp \
AllpassC.cpp PitchShift.cpp Resonz.cpp OnePole.cpp OneZero.cpp \
- TwoPole.cpp
+ TwoPole.cpp TwoZero.cpp FOS.cpp SOS.cpp
diff --git a/sc4pd/makefile.pd-linux b/sc4pd/makefile.pd-linux
index 99d62ef..f1deedb 100644
--- a/sc4pd/makefile.pd-linux
+++ b/sc4pd/makefile.pd-linux
@@ -24,7 +24,7 @@ LIBS=m
ifdef FLEXT_SHARED
CFLAGS+=-DFLEXT_SHARED -DFLEXT_THREADS
LDFLAGS+=-Bdynamic
-LINKFLEXT=-lflext
+LINKFLEXT=-lflext_d
else
LINKFLEXT=$(FLEXTLIB)
endif
diff --git a/sc4pd/pd/fos.pd b/sc4pd/pd/fos.pd
new file mode 100644
index 0000000..f03f45b
--- /dev/null
+++ b/sc4pd/pd/fos.pd
@@ -0,0 +1,45 @@
+#N canvas 0 0 539 300 10;
+#X obj 12 159 dac~;
+#X floatatom 112 20 5 0 0 0 - - -;
+#X obj 18 28 WhiteNoise~;
+#X obj 37 269 dac~;
+#X obj 95 174 Dust~ 444;
+#X obj 18 86 FOS~ 0.3 0.3 0.3;
+#X msg 89 60 a0 \$1;
+#X floatatom 161 20 5 0 0 0 - - -;
+#X msg 138 60 a1 \$1;
+#X floatatom 215 20 5 0 0 0 - - -;
+#X msg 192 60 b1 \$1;
+#X obj 46 229 FOS~ 0.3 0.3 0.3 ar;
+#X floatatom 374 26 5 0 0 0 - - -;
+#X msg 351 66 a0 \$1;
+#X floatatom 423 26 5 0 0 0 - - -;
+#X msg 400 66 a1 \$1;
+#X floatatom 477 26 5 0 0 0 - - -;
+#X msg 454 66 b1 \$1;
+#X obj 280 92 FOS 0.3 0.3 0.3;
+#X floatatom 282 129 5 0 0 0 - - -;
+#X floatatom 283 36 5 0 0 0 - - -;
+#X connect 1 0 6 0;
+#X connect 2 0 5 0;
+#X connect 4 0 11 1;
+#X connect 4 0 11 0;
+#X connect 4 0 11 2;
+#X connect 4 0 11 3;
+#X connect 5 0 0 0;
+#X connect 5 0 0 1;
+#X connect 6 0 5 0;
+#X connect 7 0 8 0;
+#X connect 8 0 5 0;
+#X connect 9 0 10 0;
+#X connect 10 0 5 0;
+#X connect 11 0 3 0;
+#X connect 11 0 3 1;
+#X connect 12 0 13 0;
+#X connect 13 0 18 0;
+#X connect 14 0 15 0;
+#X connect 15 0 18 0;
+#X connect 16 0 17 0;
+#X connect 17 0 18 0;
+#X connect 18 0 19 0;
+#X connect 20 0 18 0;
diff --git a/sc4pd/pd/sos.pd b/sc4pd/pd/sos.pd
new file mode 100644
index 0000000..b09be69
--- /dev/null
+++ b/sc4pd/pd/sos.pd
@@ -0,0 +1,38 @@
+#N canvas 0 0 539 300 10;
+#X obj 12 159 dac~;
+#X floatatom 112 20 5 0 0 0 - - -;
+#X obj 18 28 WhiteNoise~;
+#X obj 90 262 dac~;
+#X obj 206 145 Dust~ 444;
+#X msg 89 60 a0 \$1;
+#X floatatom 161 20 5 0 0 0 - - -;
+#X msg 138 60 a1 \$1;
+#X floatatom 262 20 5 0 0 0 - - -;
+#X msg 239 60 b1 \$1;
+#X obj 18 87 SOS~ 0.3 0.3 0.3 0.3 0.3;
+#X floatatom 212 20 5 0 0 0 - - -;
+#X floatatom 313 20 5 0 0 0 - - -;
+#X msg 189 60 a2 \$1;
+#X msg 290 60 b2 \$1;
+#X obj 85 208 SOS~ 0.3 0.3 0.3 0.3 0.3 ar;
+#X connect 1 0 5 0;
+#X connect 2 0 10 0;
+#X connect 4 0 15 0;
+#X connect 4 0 15 1;
+#X connect 4 0 15 2;
+#X connect 4 0 15 3;
+#X connect 4 0 15 4;
+#X connect 4 0 15 5;
+#X connect 5 0 10 0;
+#X connect 6 0 7 0;
+#X connect 7 0 10 0;
+#X connect 8 0 9 0;
+#X connect 9 0 10 0;
+#X connect 10 0 0 0;
+#X connect 10 0 0 1;
+#X connect 11 0 13 0;
+#X connect 12 0 14 0;
+#X connect 13 0 10 0;
+#X connect 14 0 10 0;
+#X connect 15 0 3 1;
+#X connect 15 0 3 0;
diff --git a/sc4pd/pd/twozero.pd b/sc4pd/pd/twozero.pd
new file mode 100644
index 0000000..3cd2c63
--- /dev/null
+++ b/sc4pd/pd/twozero.pd
@@ -0,0 +1,15 @@
+#N canvas 0 0 450 300 10;
+#X obj 124 220 dac~;
+#X floatatom 224 81 5 0 0 0 - - -;
+#X obj 130 89 WhiteNoise~;
+#X msg 201 121 kfreq \$1;
+#X floatatom 294 81 5 0 0 0 - - -;
+#X msg 271 121 kradius \$1;
+#X obj 130 160 TwoZero~ 440 0.5;
+#X connect 1 0 3 0;
+#X connect 2 0 6 0;
+#X connect 3 0 6 0;
+#X connect 4 0 5 0;
+#X connect 5 0 6 0;
+#X connect 6 0 0 0;
+#X connect 6 0 0 1;
diff --git a/sc4pd/source/DelayUnit.cpp b/sc4pd/source/DelayUnit.cpp
index bbd5a2d..bd57f7d 100644
--- a/sc4pd/source/DelayUnit.cpp
+++ b/sc4pd/source/DelayUnit.cpp
@@ -35,7 +35,7 @@
*/
-// #include "sc4pd.hpp"
+#include "sc4pd.hpp"
#include "DelayUnit.hpp"
void DelayUnit_ar::DelayUnit_AllocDelayLine()
diff --git a/sc4pd/source/DelayUnit.hpp b/sc4pd/source/DelayUnit.hpp
index e9db066..a5951e5 100644
--- a/sc4pd/source/DelayUnit.hpp
+++ b/sc4pd/source/DelayUnit.hpp
@@ -35,7 +35,7 @@
*/
-#include "sc4pd.hpp"
+//#include "sc4pd.hpp"
class DelayUnit_ar
: public sc4pd_dsp
diff --git a/sc4pd/source/FOS.cpp b/sc4pd/source/FOS.cpp
new file mode 100644
index 0000000..6bd3c26
--- /dev/null
+++ b/sc4pd/source/FOS.cpp
@@ -0,0 +1,258 @@
+/* sc4pd
+ FOS, FOS~
+
+ 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: Susie Ibarra & Assif Tsahar: Home Cookin'
+
+*/
+
+#include "sc4pd.hpp"
+
+/* ------------------------ FOS~ -------------------------------*/
+
+class FOS_ar:
+ public sc4pd_dsp
+{
+ FLEXT_HEADER(FOS_ar,sc4pd_dsp);
+
+public:
+ FOS_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_a0(float f)
+ {
+ next_a0=f;
+ }
+
+ void m_set_a1(float f)
+ {
+ next_a1=f;
+ }
+
+ void m_set_b1(float f)
+ {
+ next_b1=f;
+ }
+
+ void m_ar()
+ {
+ SETSIGFUN(m_signal_fun,SIGFUN(m_signal_ar));
+ }
+
+ void m_kr()
+ {
+ SETSIGFUN(m_signal_fun,SIGFUN(m_signal_kr));
+ }
+
+private:
+ float next_a0, next_a1, next_b1;
+ float m_y1, m_a0, m_a1, m_b1;
+
+ DEFSIGCALL (m_signal_fun);
+ DEFSIGFUN (m_signal_ar);
+ DEFSIGFUN (m_signal_kr);
+
+ FLEXT_CALLBACK_F(m_set_a0);
+ FLEXT_CALLBACK_F(m_set_a1);
+ FLEXT_CALLBACK_F(m_set_b1);
+ FLEXT_CALLBACK(m_ar);
+ FLEXT_CALLBACK(m_kr);
+};
+
+FLEXT_LIB_DSP_V("FOS~",FOS_ar);
+
+FOS_ar::FOS_ar(int argc, t_atom *argv)
+{
+ FLEXT_ADDMETHOD_(0,"a0",m_set_a0);
+ FLEXT_ADDMETHOD_(0,"a1",m_set_a1);
+ FLEXT_ADDMETHOD_(0,"b1",m_set_b1);
+ FLEXT_ADDMETHOD_(0,"ar",m_ar);
+ FLEXT_ADDMETHOD_(0,"kr",m_kr);
+
+ //parse arguments
+ AtomList Args(argc,argv);
+
+ if (Args.Count()<3)
+ {
+ post("needs at least 3 arguments");
+ return;
+ }
+ m_a0 = sc_getfloatarg(Args,0);
+ m_a1 = sc_getfloatarg(Args,1);
+ m_b1 = sc_getfloatarg(Args,2);
+
+ if(sc_ar(Args))
+ {
+ SETSIGFUN(m_signal_fun,SIGFUN(m_signal_ar));
+ AddInSignal();
+ AddInSignal();
+ AddInSignal();
+ AddInSignal();
+ }
+ else // if not given, use control rate
+ SETSIGFUN(m_signal_fun,SIGFUN(m_signal_kr));
+
+ AddOutSignal();
+
+ m_y1 = 0.f;
+ m_a0 = 0.f;
+ m_a1 = 0.f;
+ m_b1 = 0.f;
+}
+
+void FOS_ar::m_signal_ar(int n, t_sample *const *in,
+ t_sample *const *out)
+{
+ t_sample *nin = *in;
+ t_sample *nout = *out;
+ float *a0 = *(in+1);
+ float *a1 = *(in+2);
+ float *b1 = *(in+3);
+
+ float y1 = m_y1;
+
+ for (int i = 0; i!= n;++i)
+ {
+ float y0 = ZXP(nin) + ZXP(b1) * y1;
+ ZXP(nout) = ZXP(a0) * y0 + ZXP(a1) * y1;
+ y1 = y0;
+ }
+ m_y1 = zapgremlins(y1);
+}
+
+
+void FOS_ar::m_signal_kr(int n, t_sample *const *in,
+ t_sample *const *out)
+{
+ t_sample *nin = *in;
+ t_sample *nout = *out;
+
+ float y1 = m_y1;
+ float a0 = m_a0;
+ float a1 = m_a1;
+ float b1 = m_b1;
+ float a0_slope = CALCSLOPE(next_a0, a0);
+ float a1_slope = CALCSLOPE(next_a1, a1);
+ float b1_slope = CALCSLOPE(next_b1, b1);
+
+ for (int i = 0; i!= n;++i)
+ {
+ float y0 = ZXP(nin) + b1 * y1;
+ ZXP(nout) = a0 * y0 + a1 * y1;
+ y1 = y0;
+
+ a0 += a0_slope;
+ a1 += a1_slope;
+ b1 += b1_slope;
+ }
+}
+
+/* ------------------------ FOS ---------------------------------*/
+
+
+class FOS_kr:
+ public flext_base
+{
+ FLEXT_HEADER(FOS_kr,flext_base);
+
+public:
+ FOS_kr(int argc, t_atom *argv);
+
+protected:
+ void m_perform(float f);
+
+ void m_set_a0(float f)
+ {
+ m_a0=f;
+ }
+
+ void m_set_a1(float f)
+ {
+ m_a1=f;
+ }
+
+ void m_set_b1(float f)
+ {
+ m_b1=f;
+ }
+
+
+private:
+ float m_y1, m_a0, m_a1, m_b1;
+
+ FLEXT_CALLBACK_F(m_set_a0);
+ FLEXT_CALLBACK_F(m_set_a1);
+ FLEXT_CALLBACK_F(m_set_b1);
+ FLEXT_CALLBACK_F(m_perform);
+};
+
+
+FLEXT_LIB_V("FOS",FOS_kr);
+
+FOS_kr::FOS_kr(int argc, t_atom *argv)
+{
+ FLEXT_ADDMETHOD(0,m_perform);
+ FLEXT_ADDMETHOD_(0,"a0",m_set_a0);
+ FLEXT_ADDMETHOD_(0,"a1",m_set_a1);
+ FLEXT_ADDMETHOD_(0,"b1",m_set_b1);
+
+ AddOutFloat();
+
+ //parse arguments
+ AtomList Args(argc,argv);
+
+ if (Args.Count()!=3)
+ {
+ post("needs 3 arguments");
+ return;
+ }
+
+ m_a0 = sc_getfloatarg(Args,0);
+ m_a1 = sc_getfloatarg(Args,1);
+ m_b1 = sc_getfloatarg(Args,2);
+
+ m_y1 = 0.f;
+ m_a0 = 0.f;
+ m_a1 = 0.f;
+ m_b1 = 0.f;
+}
+
+void FOS_kr::m_perform(float f)
+{
+ m_y1 = m_a0 * (f + m_b1 * m_y1) + m_a1 * m_y1;
+ ToOutFloat(0,m_y1);
+}
diff --git a/sc4pd/source/SOS.cpp b/sc4pd/source/SOS.cpp
new file mode 100644
index 0000000..996833a
--- /dev/null
+++ b/sc4pd/source/SOS.cpp
@@ -0,0 +1,258 @@
+/* sc4pd
+ SOS~
+
+ 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: Susie Ibarra & Assif Tsahar: Home Cookin'
+
+*/
+
+#include "sc4pd.hpp"
+
+/* ------------------------ SOS~ -------------------------------*/
+
+class SOS_ar:
+ public sc4pd_dsp
+{
+ FLEXT_HEADER(SOS_ar,sc4pd_dsp);
+
+public:
+ SOS_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);
+ }
+
+ virtual void m_dsp(int n, t_sample *const *in, t_sample *const *out)
+ {
+ mFilterLoops = sc_filterloops();
+ mFilterRemain = sc_filterremain();
+ mFilterSlope = sc_filterslope();
+ }
+
+ void m_set_a0(float f)
+ {
+ next_a0=f;
+ }
+
+ void m_set_a1(float f)
+ {
+ next_a1=f;
+ }
+
+ void m_set_a2(float f)
+ {
+ next_a2=f;
+ }
+
+ void m_set_b1(float f)
+ {
+ next_b1=f;
+ }
+
+ void m_set_b2(float f)
+ {
+ next_b2=f;
+ }
+
+ void m_ar()
+ {
+ SETSIGFUN(m_signal_fun,SIGFUN(m_signal_ar));
+ }
+
+ void m_kr()
+ {
+ SETSIGFUN(m_signal_fun,SIGFUN(m_signal_kr));
+ }
+
+private:
+ float next_a0, next_a1, next_a2, next_b1, next_b2;
+ float m_y1, m_y2, m_a0, m_a1, m_a2, m_b1, m_b2;
+
+ float mFilterSlope;
+ int mFilterLoops, mFilterRemain;
+
+ DEFSIGCALL (m_signal_fun);
+ DEFSIGFUN (m_signal_ar);
+ DEFSIGFUN (m_signal_kr);
+
+ FLEXT_CALLBACK_F(m_set_a0);
+ FLEXT_CALLBACK_F(m_set_a1);
+ FLEXT_CALLBACK_F(m_set_a2);
+ FLEXT_CALLBACK_F(m_set_b1);
+ FLEXT_CALLBACK_F(m_set_b2);
+ FLEXT_CALLBACK(m_ar);
+ FLEXT_CALLBACK(m_kr);
+};
+
+FLEXT_LIB_DSP_V("SOS~",SOS_ar);
+
+SOS_ar::SOS_ar(int argc, t_atom *argv)
+{
+ FLEXT_ADDMETHOD_(0,"a0",m_set_a0);
+ FLEXT_ADDMETHOD_(0,"a1",m_set_a1);
+ FLEXT_ADDMETHOD_(0,"a2",m_set_a2);
+ FLEXT_ADDMETHOD_(0,"b1",m_set_b1);
+ FLEXT_ADDMETHOD_(0,"b2",m_set_b2);
+ FLEXT_ADDMETHOD_(0,"ar",m_ar);
+ FLEXT_ADDMETHOD_(0,"kr",m_kr);
+
+ //parse arguments
+ AtomList Args(argc,argv);
+
+ if (Args.Count()<5)
+ {
+ post("needs at least 5 arguments");
+ return;
+ }
+ m_a0 = sc_getfloatarg(Args,0);
+ m_a1 = sc_getfloatarg(Args,1);
+ m_a2 = sc_getfloatarg(Args,2);
+ m_b1 = sc_getfloatarg(Args,3);
+ m_b2 = sc_getfloatarg(Args,4);
+
+ if(sc_ar(Args))
+ {
+ SETSIGFUN(m_signal_fun,SIGFUN(m_signal_ar));
+ AddInSignal();
+ AddInSignal();
+ AddInSignal();
+ AddInSignal();
+ AddInSignal();
+ AddInSignal();
+ }
+ else // if not given, use control rate
+ SETSIGFUN(m_signal_fun,SIGFUN(m_signal_kr));
+
+ AddOutSignal();
+
+ m_y1 = 0.f;
+ m_a0 = 0.f;
+ m_a1 = 0.f;
+ m_a2 = 0.f;
+ m_b1 = 0.f;
+ m_b2 = 0.f;
+}
+
+void SOS_ar::m_signal_ar(int n, t_sample *const *in,
+ t_sample *const *out)
+{
+ t_sample *nin = *in;
+ t_sample *nout = *out;
+ float *a0 = *(in+1);
+ float *a1 = *(in+2);
+ float *a2 = *(in+3);
+ float *b1 = *(in+4);
+ float *b2 = *(in+5);
+
+ float y0;
+ float y1 = m_y1;
+ float y2 = m_y2;
+
+ for (int i = 0; i!= mFilterLoops;++i)
+ {
+ y0 = ZXP(nin) + ZXP(b1) * y1 + ZXP(b2) * y2;
+ ZXP(nout) = ZXP(a0) * y0 + ZXP(a1) * y1 + ZXP(a2) * y2;
+
+ y2 = ZXP(nin) + ZXP(b1) * y0 + ZXP(b2) * y1;
+ ZXP(nout) = ZXP(a0) * y2 + ZXP(a1) * y0 + ZXP(a2) * y1;
+
+ y1 = ZXP(nin) + ZXP(b1) * y2 + ZXP(b2) * y0;
+ ZXP(nout) = ZXP(a0) * y1 + ZXP(a1) * y2 + ZXP(a2) * y0;
+ }
+
+ for (int i = 0; i!= mFilterLoops;++i)
+ {
+ y0 = ZXP(nin) + ZXP(b1) * y1 + ZXP(b2) * y2;
+ ZXP(nout) = ZXP(a0) * y0 + ZXP(a1) * y1 + ZXP(a2) * y2;
+ y2 = y1;
+ y1 = y0;
+ }
+
+ m_y1 = zapgremlins(y1);
+ m_y2 = zapgremlins(y2);
+
+}
+
+
+void SOS_ar::m_signal_kr(int n, t_sample *const *in,
+ t_sample *const *out)
+{
+ t_sample *nin = *in;
+ t_sample *nout = *out;
+
+ float y0;
+ float y1 = m_y1;
+ float y2 = m_y2;
+ float a0 = m_a0;
+ float a1 = m_a1;
+ float a2 = m_a2;
+ float b1 = m_b1;
+ float b2 = m_b2;
+ float a0_slope = (next_a0 - a0) * mFilterSlope;
+ float a1_slope = (next_a1 - a1) * mFilterSlope;
+ float a2_slope = (next_a2 - a2) * mFilterSlope;
+ float b1_slope = (next_b1 - b1) * mFilterSlope;
+ float b2_slope = (next_b2 - b2) * mFilterSlope;
+
+ for (int i = 0; i!= mFilterLoops;++i)
+ {
+ y0 = ZXP(nin) + b1 * y1 + b2 * y2;
+ ZXP(nout) = a0 * y0 + a1 * y1 + a2 * y2;
+
+ y2 = ZXP(nin) + b1 * y0 + b2 * y1;
+ ZXP(nout) = a0 * y2 + a1 * y0 + a2 * y1;
+
+ y1 = ZXP(nin) + b1 * y2 + b2 * y0;
+ ZXP(nout) = a0 * y1 + a1 * y2 + a2 * y0;
+
+ a0 += a0_slope;
+ a1 += a1_slope;
+ a2 += a2_slope;
+ b1 += b1_slope;
+ b2 += b2_slope;
+ }
+
+ for (int i = 0; i!= mFilterLoops;++i)
+ {
+ y0 = ZXP(nin) + b1 * y1 + b2 * y2;
+ ZXP(nout) = a0 * y0 + a1 * y1 + a2 * y2;
+ y2 = y1;
+ y1 = y0;
+ }
+
+ m_y1 = zapgremlins(y1);
+ m_y2 = zapgremlins(y2);
+}
+
+/* no kr SOS */
diff --git a/sc4pd/source/TwoZero.cpp b/sc4pd/source/TwoZero.cpp
new file mode 100644
index 0000000..85a7633
--- /dev/null
+++ b/sc4pd/source/TwoZero.cpp
@@ -0,0 +1,175 @@
+/* sc4pd
+ TwoZero~
+
+ 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: VA: Insight
+
+*/
+
+#include "sc4pd.hpp"
+
+/* ------------------------ TwoZero~ -------------------------------*/
+
+class TwoZero_ar:
+ public sc4pd_dsp
+{
+ FLEXT_HEADER(TwoZero_ar,sc4pd_dsp);
+
+public:
+ TwoZero_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)
+ {
+ mRadiansPerSample = sc_radianspersample();
+ mFilterSlope = sc_filterslope();
+ mFilterLoops = sc_filterloops();
+ mFilterRemain = sc_filterremain();
+ }
+
+ void m_set_freq(float f)
+ {
+ m_freq=f;
+ changed = true;
+ }
+
+ void m_set_radius(float f)
+ {
+ m_reson=f;
+ changed = true;
+ }
+
+
+private:
+ float m_b1, m_b2, m_x1, m_x2, m_freq, m_reson;
+ bool changed;
+ float mRadiansPerSample, mFilterSlope;
+ int mFilterLoops, mFilterRemain;
+
+ FLEXT_CALLBACK_F(m_set_freq);
+ FLEXT_CALLBACK_F(m_set_radius);
+};
+
+FLEXT_LIB_DSP_V("TwoZero~",TwoZero_ar);
+
+TwoZero_ar::TwoZero_ar(int argc, t_atom *argv)
+{
+ FLEXT_ADDMETHOD_(0,"kfreq",m_set_freq);
+ FLEXT_ADDMETHOD_(0,"kradius",m_set_radius);
+
+ //parse arguments
+ AtomList Args(argc,argv);
+
+ m_freq = sc_getfloatarg(Args,0);
+ m_reson = sc_getfloatarg(Args,1);
+ changed = false;
+
+ AddOutSignal();
+
+ m_b1 = 0.f;
+ m_b2 = 0.f;
+ m_x1 = 0.f;
+ m_x2 = 0.f;
+}
+
+void TwoZero_ar::m_signal(int n, t_sample *const *in,
+ t_sample *const *out)
+{
+ t_sample *nin = *in;
+ t_sample *nout = *out;
+
+ float x0;
+ float x1 = m_x1;
+ float x2 = m_x2;
+
+ if (changed)
+ {
+ float b1 = m_b1;
+ float b2 = m_b2;
+ float b1_next = -2.f * m_reson * cos(m_freq * mRadiansPerSample);
+ float b2_next = (m_reson * m_reson);
+ float b1_slope = (b1_next - b1) * mFilterSlope;
+ float b2_slope = (b2_next - b2) * mFilterSlope;
+
+ for (int i = 0; i!= mFilterLoops;++i)
+ {
+ x0 = ZXP(nin);
+ ZXP(nout) = x0 + b1 * x1 + b2 * x2;
+ x2 = ZXP(nin);
+ ZXP(nout) = x2 + b1 * x0 + b2 * x1;
+ x1 = ZXP(nin);
+ ZXP(nout) = x1 + b1 * x2 + b2 * x0;
+
+ b1 += b1_slope;
+ b2 += b2_slope;
+ }
+
+ for (int i = 0; i!= mFilterRemain;++i)
+ {
+ x0 = ZXP(nin);
+ ZXP(nout) = x0 + b1 * x1 + b2 * x2;
+ x2 = x1;
+ x1 = x0;
+ }
+
+ m_b1 = b1;
+ m_b2 = b2;
+ changed = false;
+ }
+ else
+ {
+ float b1 = m_b1;
+ float b2 = m_b2;
+
+ for (int i = 0; i!= mFilterLoops;++i)
+ {
+ x0 = ZXP(nin);
+ ZXP(nout) = x0 + b1 * x1 + b2 * x2;
+ x2 = ZXP(nin);
+ ZXP(nout) = x2 + b1 * x0 + b2 * x1;
+ x1 = ZXP(nin);
+ ZXP(nout) = x1 + b1 * x2 + b2 * x0;
+ }
+ for (int i = 0; i!= mFilterRemain;++i)
+ {
+ x0 = ZXP(nin);
+ ZXP(nout) = x0 + b1 * x1 + b2 * x2;
+ x2 = x1;
+ x1 = x0;
+ }
+ }
+ m_x1 = x1;
+ m_x2 = x2;
+}
+
+/* no control rate twozero filter */
diff --git a/sc4pd/source/main.cpp b/sc4pd/source/main.cpp
index 2cac635..3430ee4 100644
--- a/sc4pd/source/main.cpp
+++ b/sc4pd/source/main.cpp
@@ -62,9 +62,9 @@ void sc4pd_library_setup()
"DelayN~,\n"
" DelayL~, DelayC~, CombN~, CombL~, CombC~, AllpassN~, "
"AllpassL~,\n"
- " AllpassC~, PitchShift~, Resonz~, OnePole(~), OneZero(~)"
- "TwoPole~"
-
+ " AllpassC~, PitchShift~, Resonz~, OnePole(~), OneZero(~), "
+ "TwoPole~, \n"
+ " TwoZero~, FOS(~), SOS~"
"\n"
);
@@ -242,6 +242,13 @@ void sc4pd_library_setup()
FLEXT_SETUP(OneZero_kr);
FLEXT_DSP_SETUP(TwoPole_ar);
+
+ FLEXT_DSP_SETUP(TwoZero_ar);
+
+ FLEXT_DSP_SETUP(FOS_ar);
+ FLEXT_SETUP(FOS_kr);
+
+ FLEXT_DSP_SETUP(SOS_ar);
}
FLEXT_LIB_SETUP(sc4pd,sc4pd_library_setup);