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-rwxr-xr-xsc4pd/make-files.txt2
-rw-r--r--sc4pd/pd/combl.pd20
-rw-r--r--sc4pd/pd/combn.pd20
-rw-r--r--sc4pd/pd/delayc.pd11
-rw-r--r--sc4pd/pd/delayl.pd11
-rw-r--r--sc4pd/source/CombL.cpp272
-rw-r--r--sc4pd/source/CombN.cpp341
-rw-r--r--sc4pd/source/DelayC.cpp287
-rw-r--r--sc4pd/source/DelayL.cpp236
-rw-r--r--sc4pd/source/DelayUnit.cpp3
-rw-r--r--sc4pd/source/main.cpp6
11 files changed, 1205 insertions, 4 deletions
diff --git a/sc4pd/make-files.txt b/sc4pd/make-files.txt
index 38c790a..99913e7 100755
--- a/sc4pd/make-files.txt
+++ b/sc4pd/make-files.txt
@@ -11,4 +11,4 @@ SRCS= \
difsqr.cpp sumsqr.cpp sqrdif.cpp sqrsum.cpp absdif.cpp LFSaw.cpp \
LFPulse.cpp Impulse.cpp Integrator.cpp Decay.cpp Decay2.cpp Lag.cpp \
Lag2.cpp Lag3.cpp LinExp.cpp DelayUnit.cpp DelayN.cpp DelayL.cpp \
- DelayC.cpp CombN.cpp
+ DelayC.cpp CombN.cpp CombL.cpp
diff --git a/sc4pd/pd/combl.pd b/sc4pd/pd/combl.pd
new file mode 100644
index 0000000..b8fb0d2
--- /dev/null
+++ b/sc4pd/pd/combl.pd
@@ -0,0 +1,20 @@
+#N canvas 0 0 450 300 10;
+#X floatatom 188 40 5 0 0 0 - - -;
+#X obj 67 187 dac~;
+#X msg 185 88 delaytime \$1;
+#X obj 111 190 print~;
+#X obj 128 170 bng 15 250 50 0 empty empty empty 0 -6 0 8 -262144 -1
+-1;
+#X floatatom 316 83 5 0 0 0 - - -;
+#X msg 316 107 decaytime \$1;
+#X obj 79 57 WhiteNoise~;
+#X obj 77 138 CombL~ 1 0.001 0.2;
+#X connect 0 0 2 0;
+#X connect 2 0 8 0;
+#X connect 4 0 3 0;
+#X connect 5 0 6 0;
+#X connect 6 0 8 0;
+#X connect 7 0 8 0;
+#X connect 8 0 1 0;
+#X connect 8 0 1 1;
+#X connect 8 0 3 0;
diff --git a/sc4pd/pd/combn.pd b/sc4pd/pd/combn.pd
new file mode 100644
index 0000000..4baf6ef
--- /dev/null
+++ b/sc4pd/pd/combn.pd
@@ -0,0 +1,20 @@
+#N canvas 0 0 450 300 10;
+#X floatatom 188 40 5 0 0 0 - - -;
+#X obj 67 187 dac~;
+#X msg 185 88 delaytime \$1;
+#X obj 111 190 print~;
+#X obj 128 170 bng 15 250 50 0 empty empty empty 0 -6 0 8 -262144 -1
+-1;
+#X floatatom 316 83 5 0 0 0 - - -;
+#X msg 316 107 decaytime \$1;
+#X obj 79 57 WhiteNoise~;
+#X obj 77 138 CombN~ 1 0.001 0.2;
+#X connect 0 0 2 0;
+#X connect 2 0 8 0;
+#X connect 4 0 3 0;
+#X connect 5 0 6 0;
+#X connect 6 0 8 0;
+#X connect 7 0 8 0;
+#X connect 8 0 1 0;
+#X connect 8 0 1 1;
+#X connect 8 0 3 0;
diff --git a/sc4pd/pd/delayc.pd b/sc4pd/pd/delayc.pd
new file mode 100644
index 0000000..2f539ff
--- /dev/null
+++ b/sc4pd/pd/delayc.pd
@@ -0,0 +1,11 @@
+#N canvas 0 0 450 300 10;
+#X floatatom 188 40 5 0 0 0 - - -;
+#X obj 67 187 dac~;
+#X msg 185 88 delaytime \$1;
+#X obj 77 138 CombN~ 0.01 0.003 3;
+#X obj 79 57 Dust~ 440;
+#X connect 0 0 2 0;
+#X connect 2 0 3 0;
+#X connect 3 0 1 0;
+#X connect 3 0 1 1;
+#X connect 4 0 3 0;
diff --git a/sc4pd/pd/delayl.pd b/sc4pd/pd/delayl.pd
new file mode 100644
index 0000000..690063b
--- /dev/null
+++ b/sc4pd/pd/delayl.pd
@@ -0,0 +1,11 @@
+#N canvas 0 0 450 300 10;
+#X floatatom 188 40 5 0 0 0 - - -;
+#X obj 90 233 dac~;
+#X msg 185 88 delaytime \$1;
+#X obj 79 57 Dust~ 4;
+#X obj 77 138 DelayL~ 1 3;
+#X connect 0 0 2 0;
+#X connect 2 0 4 0;
+#X connect 3 0 1 1;
+#X connect 3 0 4 0;
+#X connect 4 0 1 0;
diff --git a/sc4pd/source/CombL.cpp b/sc4pd/source/CombL.cpp
new file mode 100644
index 0000000..9af21ae
--- /dev/null
+++ b/sc4pd/source/CombL.cpp
@@ -0,0 +1,272 @@
+/* sc4pd
+ CombL~
+
+ 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: Butcher/Charles/Doerner: The Contest Of Pleasures
+
+*/
+
+#include "sc4pd.hpp"
+#include "DelayUnit.hpp"
+
+class CombL_ar : public FeedbackDelay_ar
+{
+ FLEXT_HEADER(CombL_ar,FeedbackDelay_ar);
+
+ CombL_ar (int argc, t_atom *argv);
+ ~CombL_ar ();
+
+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)
+ {
+ delay_changed = decay_changed = false;
+ FeedbackDelay_Reset();
+ }
+
+ void m_delay(float f)
+ {
+ m_delaytime=f;
+ delay_changed = true;
+ }
+
+ void m_decay(float f)
+ {
+ m_decaytime=f;
+ decay_changed = true;
+ }
+
+private:
+ bool delay_changed, decay_changed;
+ DEFSIGCALL(m_signal_fun);
+ DEFSIGFUN(m_signal_);
+ DEFSIGFUN(m_signal_z);
+
+ FLEXT_CALLBACK_F(m_delay);
+ FLEXT_CALLBACK_F(m_decay);
+};
+
+FLEXT_LIB_DSP_V("CombL~",CombL_ar);
+
+CombL_ar::CombL_ar (int argc, t_atom *argv)
+{
+ FLEXT_ADDMETHOD_(0,"delaytime",m_delay);
+ FLEXT_ADDMETHOD_(0,"decaytime",m_decay);
+
+ //parse arguments
+ AtomList Args(argc,argv);
+
+ if (Args.Count() != 3)
+ {
+ post("3 arguments are needed");
+ return;
+ }
+
+ m_maxdelaytime = sc_getfloatarg(Args,0);
+ m_delaytime = sc_getfloatarg(Args,1);
+ m_decaytime = sc_getfloatarg(Args,2);
+
+ SETSIGFUN(m_signal_fun,SIGFUN(m_signal_z));
+
+ AddOutSignal();
+}
+
+CombL_ar::~CombL_ar ()
+{
+ DelayUnit_Dtor();
+}
+
+void CombL_ar::m_signal_z(int n, t_sample *const *in, t_sample *const *out)
+{
+ t_sample *nin = *in;
+ t_sample *nout = *out;
+
+ float *dlybuf = m_dlybuf;
+ long iwrphase = m_iwrphase;
+ float dsamp = m_dsamp;
+ float feedbk = m_feedbk;
+ long mask = m_mask;
+
+ if (delay_changed || decay_changed)
+ {
+ float next_dsamp = CalcDelay(m_delaytime);
+ float dsamp_slope = CALCSLOPE(next_dsamp, dsamp);
+
+ float next_feedbk = CalcFeedback(m_delaytime, m_decaytime);
+ float feedbk_slope = CALCSLOPE(next_feedbk, feedbk);
+
+ for (int i = 0; i!= n;++i)
+ {
+ dsamp += dsamp_slope;
+ long idsamp = (long)dsamp;
+ float frac = dsamp - idsamp;
+ long irdphase = iwrphase - idsamp;
+ long irdphaseb = irdphase - 1;
+
+ float zin = ZXP(nin);
+ if (irdphase < 0)
+ {
+ dlybuf[iwrphase & mask] = zin;
+ ZXP(nout) = 0.f;
+ }
+ else if (irdphaseb < 0)
+ {
+ float d1 = dlybuf[irdphase & mask];
+ float value = d1 - frac * d1;
+ dlybuf[iwrphase & mask] = zin + feedbk * value;
+ ZXP(nout) = value;
+ }
+ else
+ {
+ float d1 = dlybuf[irdphase & mask];
+ float d2 = dlybuf[irdphaseb & mask];
+ float value = lininterp(frac, d1, d2);
+ dlybuf[iwrphase & mask] = zin + feedbk * value;
+ ZXP(nout) = value;
+ }
+
+ feedbk += feedbk_slope;
+ iwrphase++;
+ }
+ m_feedbk = feedbk;
+ m_dsamp = dsamp;
+ delay_changed = decay_changed = false;
+ }
+ else
+ {
+ long idsamp = (long)dsamp;
+ float frac = dsamp - idsamp;
+
+ for (int i = 0; i!= n;++i)
+ {
+ long irdphase = iwrphase - idsamp;
+ long irdphaseb = irdphase - 1;
+
+ float zin = ZXP(nin);
+ if (irdphase < 0)
+ {
+ dlybuf[iwrphase & mask] = zin;
+ ZXP(nout) = 0.f;
+ }
+ else if (irdphaseb < 0)
+ {
+ float d1 = dlybuf[irdphase & mask];
+ float value = d1 - frac * d1;
+ dlybuf[iwrphase & mask] = zin + feedbk * value;
+ ZXP(nout) = value;
+ }
+ else
+ {
+ float d1 = dlybuf[irdphase & mask];
+ float d2 = dlybuf[irdphaseb & mask];
+ float value = lininterp(frac, d1, d2);
+ dlybuf[iwrphase & mask] = zin + feedbk * value;
+ ZXP(nout) = value;
+ }
+ iwrphase++;
+ }
+
+
+ }
+
+ m_iwrphase = iwrphase;
+ m_numoutput += n;
+ if (m_numoutput >= m_idelaylen)
+ {
+ SETSIGFUN(m_signal_fun,SIGFUN(m_signal_));
+ }
+}
+
+void CombL_ar::m_signal_(int n, t_sample *const *in, t_sample *const *out)
+{
+ t_sample *nin = *in;
+ t_sample *nout = *out;
+
+ float *dlybuf = m_dlybuf;
+ long iwrphase = m_iwrphase;
+ float dsamp = m_dsamp;
+ float feedbk = m_feedbk;
+ long mask = m_mask;
+
+ if(delay_changed || decay_changed)
+ {
+ float next_dsamp = CalcDelay(m_delaytime);
+ float dsamp_slope = CALCSLOPE(next_dsamp, dsamp);
+
+ float next_feedbk = CalcFeedback(m_delaytime, m_decaytime);
+ float feedbk_slope = CALCSLOPE(next_feedbk, feedbk);
+
+ for(int i=0; i!= n;++i)
+ {
+ dsamp += dsamp_slope;
+ long idsamp = (long)dsamp;
+ float frac = dsamp - idsamp;
+ long irdphase = iwrphase - idsamp;
+ long irdphaseb = irdphase - 1;
+ float d1 = dlybuf[irdphase & mask];
+ float d2 = dlybuf[irdphaseb & mask];
+ float value = lininterp(frac, d1, d2);
+ dlybuf[iwrphase & mask] = ZXP(nin) + feedbk * value;
+ ZXP(nout) = value;
+ feedbk += feedbk_slope;
+ iwrphase++;
+ }
+ m_feedbk = feedbk;
+ m_dsamp = dsamp;
+ delay_changed = decay_changed = false;
+ }
+ else
+ {
+ long idsamp = (long)dsamp;
+ float frac = dsamp - idsamp;
+
+ for(int i=0; i!= n;++i)
+ {
+ long irdphase = iwrphase - idsamp;
+ long irdphaseb = irdphase - 1;
+ float d1 = dlybuf[irdphase & mask];
+ float d2 = dlybuf[irdphaseb & mask];
+ float value = lininterp(frac, d1, d2);
+ dlybuf[iwrphase & mask] = ZXP(nin) + feedbk * value;
+ ZXP(nout) = value;
+ iwrphase++;
+
+ }
+ }
+ m_iwrphase = iwrphase;
+}
+
+/* todo: CombL for control rate ? */
diff --git a/sc4pd/source/CombN.cpp b/sc4pd/source/CombN.cpp
new file mode 100644
index 0000000..9c6f33e
--- /dev/null
+++ b/sc4pd/source/CombN.cpp
@@ -0,0 +1,341 @@
+/* sc4pd
+ CombN~
+
+ 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 "sc4pd.hpp"
+#include "DelayUnit.hpp"
+
+class CombN_ar : public FeedbackDelay_ar
+{
+ FLEXT_HEADER(CombN_ar,FeedbackDelay_ar);
+
+ CombN_ar (int argc, t_atom *argv);
+ ~CombN_ar ();
+
+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)
+ {
+ delay_changed = decay_changed = false;
+ FeedbackDelay_Reset();
+ }
+
+ void m_delay(float f)
+ {
+ m_delaytime=f;
+ delay_changed = true;
+ }
+
+ void m_decay(float f)
+ {
+ m_decaytime=f;
+ decay_changed = true;
+ }
+
+private:
+ bool delay_changed, decay_changed;
+ DEFSIGCALL(m_signal_fun);
+ DEFSIGFUN(m_signal_);
+ DEFSIGFUN(m_signal_z);
+
+ FLEXT_CALLBACK_F(m_delay);
+ FLEXT_CALLBACK_F(m_decay);
+};
+
+FLEXT_LIB_DSP_V("CombN~",CombN_ar);
+
+CombN_ar::CombN_ar (int argc, t_atom *argv)
+{
+ FLEXT_ADDMETHOD_(0,"delaytime",m_delay);
+ FLEXT_ADDMETHOD_(0,"decaytime",m_decay);
+
+ //parse arguments
+ AtomList Args(argc,argv);
+
+ if (Args.Count() != 3)
+ {
+ post("3 arguments are needed");
+ return;
+ }
+
+ m_maxdelaytime = sc_getfloatarg(Args,0);
+ m_delaytime = sc_getfloatarg(Args,1);
+ m_decaytime = sc_getfloatarg(Args,2);
+
+ SETSIGFUN(m_signal_fun,SIGFUN(m_signal_z));
+
+ AddOutSignal();
+}
+
+CombN_ar::~CombN_ar ()
+{
+ DelayUnit_Dtor();
+}
+
+void CombN_ar::m_signal_z(int n, t_sample *const *in, t_sample *const *out)
+{
+ t_sample *nin = *in;
+ t_sample *nout = *out;
+
+ float *dlybuf = m_dlybuf;
+ long iwrphase = m_iwrphase;
+ float dsamp = m_dsamp;
+ float feedbk = m_feedbk;
+ long mask = m_mask;
+
+ if (delay_changed)
+ {
+ float next_dsamp = CalcDelay(m_delaytime);
+ float dsamp_slope = CALCSLOPE(next_dsamp, dsamp);
+
+ float next_feedbk = CalcFeedback(m_delaytime, m_decaytime);
+ float feedbk_slope = CALCSLOPE(next_feedbk, feedbk);
+
+ for (int i = 0; i!= n;++i)
+ {
+ dsamp += dsamp_slope;
+ long irdphase = iwrphase - (long)dsamp;
+
+ if (irdphase < 0)
+ {
+ dlybuf[iwrphase & mask] = ZXP(nin);
+ ZXP(nout) = 0.f;
+ }
+ else
+ {
+ float value = dlybuf[irdphase & mask];
+ dlybuf[iwrphase & mask] = ZXP(nin) + feedbk * value;
+ ZXP(nout) = value;
+ }
+ feedbk += feedbk_slope;
+ iwrphase++;
+ }
+ m_feedbk = feedbk;
+ m_dsamp = dsamp;
+ delay_changed = decay_changed = false;
+ }
+ else
+ {
+ long irdphase = iwrphase - (long)dsamp;
+ float* dlybuf1 = dlybuf - ZOFF;
+ float* dlyN = dlybuf1 + m_idelaylen;
+ if (decay_changed)
+ {
+ float next_feedbk = CalcFeedback(m_delaytime, m_decaytime);
+ float feedbk_slope = CALCSLOPE(next_feedbk, feedbk);
+ long remain = n;
+ while (remain)
+ {
+ float* dlyrd = dlybuf1 + (irdphase & mask);
+ float* dlywr = dlybuf1 + (iwrphase & mask);
+ long rdspace = dlyN - dlyrd;
+ long wrspace = dlyN - dlywr;
+ long nsmps = sc_min(rdspace, wrspace);
+ nsmps = sc_min(remain, nsmps);
+ remain -= nsmps;
+
+ if (irdphase < 0)
+ {
+ feedbk += nsmps * feedbk_slope;
+ dlyrd += nsmps;
+ for (int i = 0; i!= nsmps;++i)
+ {
+ ZXP(dlywr) = ZXP(nin);
+ ZXP(nout) = 0.f;
+ }
+ }
+ else
+ {
+ for (int i = 0; i!= nsmps;++i)
+ {
+ float value = ZXP(dlyrd);
+ ZXP(dlywr) = value * feedbk + ZXP(nin);
+ ZXP(nout) = value;
+ feedbk += feedbk_slope;
+ }
+ }
+ iwrphase += nsmps;
+ irdphase += nsmps;
+ }
+ m_feedbk = feedbk;
+ decay_changed=false;
+ }
+ else
+ {
+ long remain = n;
+ while (remain)
+ {
+ float* dlywr = dlybuf1 + (iwrphase & mask);
+ float* dlyrd = dlybuf1 + (irdphase & mask);
+ long rdspace = dlyN - dlyrd;
+ long wrspace = dlyN - dlywr;
+ long nsmps = sc_min(rdspace, wrspace);
+ nsmps = sc_min(remain, nsmps);
+ remain -= nsmps;
+ if (irdphase < 0)
+ {
+ for (int i = 0; i!= nsmps;++i)
+ {
+ ZXP(dlywr) = ZXP(nin);
+ ZXP(nout) = 0.f;
+ }
+ }
+ else
+ {
+ for (int i = 0; i!= nsmps;++i)
+ {
+ float value = ZXP(dlyrd);
+ ZXP(dlywr) = value * feedbk + ZXP(nin);
+ ZXP(nout) = value;
+ }
+ }
+ iwrphase += nsmps;
+ irdphase += nsmps;
+ }
+
+ }
+ }
+
+ m_iwrphase = iwrphase;
+ m_numoutput += n;
+ if (m_numoutput >= m_idelaylen)
+ {
+ SETSIGFUN(m_signal_fun,SIGFUN(m_signal_));
+ }
+}
+
+void CombN_ar::m_signal_(int n, t_sample *const *in, t_sample *const *out)
+{
+ t_sample *nin = *in;
+ t_sample *nout = *out;
+
+ float *dlybuf = m_dlybuf;
+ long iwrphase = m_iwrphase;
+ float dsamp = m_dsamp;
+ float feedbk = m_feedbk;
+ long mask = m_mask;
+
+ if(delay_changed)
+ {
+ float next_dsamp = CalcDelay(m_delaytime);
+ float dsamp_slope = CALCSLOPE(next_dsamp, dsamp);
+
+ float next_feedbk = CalcFeedback(m_delaytime, m_decaytime);
+ float feedbk_slope = CALCSLOPE(next_feedbk, feedbk);
+
+ for(int i=0; i!= n;++i)
+ {
+ dsamp += dsamp_slope;
+ ++iwrphase;
+ long irdphase = iwrphase - (long)dsamp;
+ float value = dlybuf[irdphase & mask];
+ dlybuf[iwrphase & mask] = ZXP(nin) + feedbk * value;
+ ZXP(nout) = value;
+ feedbk += feedbk_slope;
+
+ }
+ m_feedbk = feedbk;
+ m_dsamp = dsamp;
+ delay_changed = decay_changed = false;
+ }
+ else
+ {
+ long irdphase = iwrphase - (long)dsamp;
+ float* dlybuf1 = dlybuf - ZOFF;
+ float* dlyrd = dlybuf1 + (irdphase & mask);
+ float* dlywr = dlybuf1 + (iwrphase & mask);
+ float* dlyN = dlybuf1 + m_idelaylen;
+
+ if(decay_changed)
+ {
+ float next_feedbk = CalcFeedback(m_delaytime, m_decaytime);
+ float feedbk_slope = CALCSLOPE(next_feedbk, feedbk);
+ long remain = n;
+ while (remain)
+ {
+ long rdspace = dlyN - dlyrd;
+ long wrspace = dlyN - dlywr;
+ long nsmps = sc_min(rdspace, wrspace);
+ nsmps = sc_min(remain, nsmps);
+ remain -= nsmps;
+
+ for(int i=0; i!= nsmps;++i)
+ {
+ float value = ZXP(dlyrd);
+ ZXP(dlywr) = value * feedbk + ZXP(nin);
+ ZXP(nout) = value;
+ feedbk += feedbk_slope;
+ }
+ if (dlyrd == dlyN) dlyrd = dlybuf1;
+ if (dlywr == dlyN) dlywr = dlybuf1;
+ }
+ m_feedbk = feedbk;
+ decay_changed = false;
+ }
+ else
+ {
+ long remain = n;
+ while (remain)
+ {
+ long rdspace = dlyN - dlyrd;
+ long wrspace = dlyN - dlywr;
+ long nsmps = sc_min(rdspace, wrspace);
+ nsmps = sc_min(remain, nsmps);
+ remain -= nsmps;
+
+ for (int i = 0; i!= nsmps; ++i)
+ {
+ float value = ZXP(dlyrd);
+ ZXP(dlywr) = value * feedbk + ZXP(nin);
+ ZXP(nout) = value;
+ }
+ if (dlyrd == dlyN) dlyrd = dlybuf1;
+ if (dlywr == dlyN) dlywr = dlybuf1;
+ }
+
+ }
+ iwrphase += n;
+
+
+ }
+ m_iwrphase = iwrphase;
+}
+
+/* todo: CombN for control rate ? */
diff --git a/sc4pd/source/DelayC.cpp b/sc4pd/source/DelayC.cpp
new file mode 100644
index 0000000..50ab366
--- /dev/null
+++ b/sc4pd/source/DelayC.cpp
@@ -0,0 +1,287 @@
+/* sc4pd
+ DelayC~
+
+ 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: Tom Cora: Halleluja, Anyway
+
+*/
+
+#include "sc4pd.hpp"
+#include "DelayUnit.hpp"
+
+class DelayC_ar : private DelayUnit_ar
+{
+ FLEXT_HEADER(DelayC_ar,DelayUnit_ar);
+
+ DelayC_ar (int argc, t_atom *argv);
+ ~DelayC_ar ();
+
+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)
+ {
+ changed = false;
+ DelayUnit_Reset();
+ }
+
+ void m_set(float f)
+ {
+ m_delaytime=f;
+ changed = true;
+ }
+
+private:
+ bool changed;
+ DEFSIGCALL(m_signal_fun);
+ DEFSIGFUN(m_signal_);
+ DEFSIGFUN(m_signal_z);
+
+ FLEXT_CALLBACK_F(m_set);
+};
+
+FLEXT_LIB_DSP_V("DelayC~",DelayC_ar);
+
+DelayC_ar::DelayC_ar (int argc, t_atom *argv)
+{
+
+ FLEXT_ADDMETHOD_(0,"delaytime",m_set);
+
+
+ //parse arguments
+ AtomList Args(argc,argv);
+
+ if (Args.Count() != 2)
+ {
+ post("2 arguments are needed");
+ return;
+ }
+
+ m_delaytime = sc_getfloatarg(Args,0);
+ m_maxdelaytime = sc_getfloatarg(Args,1);
+
+
+ SETSIGFUN(m_signal_fun,SIGFUN(m_signal_z));
+
+ AddOutSignal();
+}
+
+DelayC_ar::~DelayC_ar ()
+{
+ DelayUnit_Dtor();
+}
+
+void DelayC_ar::m_signal_z(int n, t_sample *const *in, t_sample *const *out)
+{
+ t_sample *nin = *in;
+ t_sample *nout = *out;
+
+ float *dlybuf = m_dlybuf;
+ long iwrphase = m_iwrphase;
+ float dsamp = m_dsamp;
+ long mask = m_mask;
+ float d0, d1, d2, d3;
+
+ if (changed)
+ {
+ float next_dsamp = CalcDelay(m_delaytime);
+ float dsamp_slope = CALCSLOPE(next_dsamp, dsamp);
+
+ for (int i = 0; i!= n;++i)
+ {
+ dsamp += dsamp_slope;
+ long idsamp = (long)dsamp;
+ float frac = dsamp - idsamp;
+ long irdphase1 = iwrphase - idsamp;
+ long irdphase2 = irdphase1 - 1;
+ long irdphase3 = irdphase1 - 2;
+ long irdphase0 = irdphase1 + 1;
+
+ dlybuf[iwrphase & mask] = ZXP(nin);
+ if (irdphase0 < 0)
+ {
+ ZXP(nout) = 0.f;
+ }
+ else
+ {
+ if (irdphase1 < 0)
+ {
+ d1 = d2 = d3 = 0.f;
+ d0 = dlybuf[irdphase0 & mask];
+ }
+ else if (irdphase2 < 0)
+ {
+ d1 = d2 = d3 = 0.f;
+ d0 = dlybuf[irdphase0 & mask];
+ d1 = dlybuf[irdphase1 & mask];
+ }
+ else if (irdphase3 < 0)
+ {
+ d3 = 0.f;
+ d0 = dlybuf[irdphase0 & mask];
+ d1 = dlybuf[irdphase1 & mask];
+ d2 = dlybuf[irdphase2 & mask];
+ }
+ else
+ {
+ d0 = dlybuf[irdphase0 & mask];
+ d1 = dlybuf[irdphase1 & mask];
+ d2 = dlybuf[irdphase2 & mask];
+ d3 = dlybuf[irdphase3 & mask];
+ }
+ ZXP(nout) = cubicinterp(frac, d0, d1, d2, d3);
+ }
+ iwrphase++;
+ }
+ m_dsamp = dsamp;
+ changed = false;
+ }
+ else
+ {
+ long idsamp = (long)dsamp;
+ float frac = dsamp - idsamp;
+ for (int i = 0; i!= n;++i)
+ {
+ long irdphase1 = iwrphase - idsamp;
+ long irdphase2 = irdphase1 - 1;
+ long irdphase3 = irdphase1 - 2;
+ long irdphase0 = irdphase1 + 1;
+
+ dlybuf[iwrphase & mask] = ZXP(nin);
+ if (irdphase0 < 0)
+ {
+ ZXP(nout) = 0.f;
+ }
+ else
+ {
+ if (irdphase1 < 0)
+ {
+ d1 = d2 = d3 = 0.f;
+ d0 = dlybuf[irdphase0 & mask];
+ }
+ else if (irdphase2 < 0)
+ {
+ d1 = d2 = d3 = 0.f;
+ d0 = dlybuf[irdphase0 & mask];
+ d1 = dlybuf[irdphase1 & mask];
+ }
+ else if (irdphase3 < 0)
+ {
+ d3 = 0.f;
+ d0 = dlybuf[irdphase0 & mask];
+ d1 = dlybuf[irdphase1 & mask];
+ d2 = dlybuf[irdphase2 & mask];
+ }
+ else
+ {
+ d0 = dlybuf[irdphase0 & mask];
+ d1 = dlybuf[irdphase1 & mask];
+ d2 = dlybuf[irdphase2 & mask];
+ d3 = dlybuf[irdphase3 & mask];
+ }
+ ZXP(nout) = cubicinterp(frac, d0, d1, d2, d3);
+ }
+ iwrphase++;
+ }
+ }
+
+ m_iwrphase = iwrphase;
+
+ m_numoutput += n;
+
+ if (m_numoutput >= m_idelaylen)
+ {
+ SETSIGFUN(m_signal_fun,SIGFUN(m_signal_));
+ }
+}
+
+void DelayC_ar::m_signal_(int n, t_sample *const *in, t_sample *const *out)
+{
+ t_sample *nin = *in;
+ t_sample *nout = *out;
+
+ float *dlybuf = m_dlybuf;
+ long iwrphase = m_iwrphase;
+ float dsamp = m_dsamp;
+ long mask = m_mask;
+
+ if (changed)
+ {
+ float next_dsamp = CalcDelay(m_delaytime);
+ float dsamp_slope = CALCSLOPE(next_dsamp, dsamp);
+
+ for (int i = 0; i!= n;++i)
+ {
+ dlybuf[iwrphase & mask] = ZXP(nin);
+ dsamp += dsamp_slope;
+ long idsamp = (long)dsamp;
+ float frac = dsamp - idsamp;
+ long irdphase1 = iwrphase - idsamp;
+ long irdphase2 = irdphase1 - 1;
+ long irdphase3 = irdphase1 - 2;
+ long irdphase0 = irdphase1 + 1;
+ float d0 = dlybuf[irdphase0 & mask];
+ float d1 = dlybuf[irdphase1 & mask];
+ float d2 = dlybuf[irdphase2 & mask];
+ float d3 = dlybuf[irdphase3 & mask];
+ ZXP(nout) = cubicinterp(frac, d0, d1, d2, d3);
+ iwrphase++;
+ }
+ m_dsamp = dsamp;
+ changed = false;
+ }
+ else
+ {
+ long idsamp = (long)dsamp;
+ float frac = dsamp - idsamp;
+ for (int i = 0; i!= n;++i)
+ {
+ dlybuf[iwrphase & mask] = ZXP(nin);
+ long irdphase1 = iwrphase - idsamp;
+ long irdphase2 = irdphase1 - 1;
+ long irdphase3 = irdphase1 - 2;
+ long irdphase0 = irdphase1 + 1;
+ float d0 = dlybuf[irdphase0 & mask];
+ float d1 = dlybuf[irdphase1 & mask];
+ float d2 = dlybuf[irdphase2 & mask];
+ float d3 = dlybuf[irdphase3 & mask];
+ ZXP(nout) = cubicinterp(frac, d0, d1, d2, d3);
+ iwrphase++;
+ }
+ }
+ m_iwrphase = iwrphase;
+}
+
+/* todo: DelayC for control rate ? */
diff --git a/sc4pd/source/DelayL.cpp b/sc4pd/source/DelayL.cpp
new file mode 100644
index 0000000..46b5458
--- /dev/null
+++ b/sc4pd/source/DelayL.cpp
@@ -0,0 +1,236 @@
+/* sc4pd
+ DelayL~
+
+ 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: Tom Cora: Halleluja, Anyway
+
+*/
+
+#include "sc4pd.hpp"
+#include "DelayUnit.hpp"
+
+class DelayL_ar : private DelayUnit_ar
+{
+ FLEXT_HEADER(DelayL_ar,DelayUnit_ar);
+
+ DelayL_ar (int argc, t_atom *argv);
+ ~DelayL_ar ();
+
+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)
+ {
+ changed = false;
+ DelayUnit_Reset();
+ }
+
+ void m_set(float f)
+ {
+ m_delaytime=f;
+ changed = true;
+ }
+
+private:
+ bool changed;
+ DEFSIGCALL(m_signal_fun);
+ DEFSIGFUN(m_signal_);
+ DEFSIGFUN(m_signal_z);
+
+ FLEXT_CALLBACK_F(m_set);
+};
+
+FLEXT_LIB_DSP_V("DelayL~",DelayL_ar);
+
+DelayL_ar::DelayL_ar (int argc, t_atom *argv)
+{
+ FLEXT_ADDMETHOD_(0,"delaytime",m_set);
+
+ //parse arguments
+ AtomList Args(argc,argv);
+
+ if (Args.Count() != 2)
+ {
+ post("2 arguments are needed");
+ return;
+ }
+
+ m_delaytime = sc_getfloatarg(Args,0);
+ m_maxdelaytime = sc_getfloatarg(Args,1);
+
+ SETSIGFUN(m_signal_fun,SIGFUN(m_signal_z));
+
+ AddOutSignal();
+}
+
+DelayL_ar::~DelayL_ar ()
+{
+ DelayUnit_Dtor();
+}
+
+void DelayL_ar::m_signal_z(int n, t_sample *const *in, t_sample *const *out)
+{
+ t_sample *nin = *in;
+ t_sample *nout = *out;
+
+ float *dlybuf = m_dlybuf;
+ long iwrphase = m_iwrphase;
+ float dsamp = m_dsamp;
+ long mask = m_mask;
+
+ if (changed)
+ {
+ float next_dsamp = CalcDelay(m_delaytime);
+ float dsamp_slope = CALCSLOPE(next_dsamp, dsamp);
+
+ for (int i = 0; i!= n;++i)
+ {
+ dsamp += dsamp_slope;
+ long idsamp = (long)dsamp;
+ float frac = dsamp - idsamp;
+ long irdphase = iwrphase - idsamp;
+ long irdphaseb = irdphase - 1;
+
+ dlybuf[iwrphase & mask] = ZXP(nin);
+ if (irdphase < 0)
+ {
+ ZXP(nout) = 0.f;
+ }
+ else if (irdphaseb < 0)
+ {
+ float d1 = dlybuf[irdphase & mask];
+ ZXP(nout) = d1 - frac * d1;
+ }
+ else
+ {
+ float d1 = dlybuf[irdphase & mask];
+ float d2 = dlybuf[irdphaseb & mask];
+ ZXP(nout) = lininterp(frac, d1, d2);
+ }
+ iwrphase++;
+ }
+ m_dsamp = dsamp;
+ changed = false;
+ }
+ else
+ {
+ long idsamp = (long)dsamp;
+ float frac = dsamp - idsamp;
+ for (int i = 0; i!= n;++i)
+ {
+ long irdphase = iwrphase - idsamp;
+ long irdphaseb = irdphase - 1;
+
+ dlybuf[iwrphase & mask] = ZXP(nin);
+ if (irdphase < 0)
+ {
+ ZXP(nout) = 0.f;
+ }
+ else if (irdphaseb < 0)
+ {
+ float d1 = dlybuf[irdphase & mask];
+ ZXP(nout) = d1 - frac * d1;
+ }
+ else
+ {
+ float d1 = dlybuf[irdphase & mask];
+ float d2 = dlybuf[irdphaseb & mask];
+ ZXP(nout) = lininterp(frac, d1, d2);
+ }
+ iwrphase++;
+ }
+ }
+
+ m_iwrphase = iwrphase;
+
+ m_numoutput += n;
+
+ if (m_numoutput >= m_idelaylen)
+ {
+ SETSIGFUN(m_signal_fun,SIGFUN(m_signal_));
+ }
+}
+
+void DelayL_ar::m_signal_(int n, t_sample *const *in, t_sample *const *out)
+{
+ t_sample *nin = *in;
+ t_sample *nout = *out;
+
+ float *dlybuf = m_dlybuf;
+ long iwrphase = m_iwrphase;
+ float dsamp = m_dsamp;
+ long mask = m_mask;
+
+ if (changed)
+ {
+ float next_dsamp = CalcDelay(m_delaytime);
+ float dsamp_slope = CALCSLOPE(next_dsamp, dsamp);
+
+ for (int i = 0; i!= n;++i)
+ {
+ dlybuf[iwrphase & mask] = ZXP(nin);
+ dsamp += dsamp_slope;
+ long idsamp = (long)dsamp;
+ float frac = dsamp - idsamp;
+ long irdphase = iwrphase - idsamp;
+ long irdphaseb = irdphase - 1;
+ float d1 = dlybuf[irdphase & mask];
+ float d2 = dlybuf[irdphaseb & mask];
+ ZXP(nout) = lininterp(frac, d1, d2);
+ iwrphase++;
+ }
+ m_dsamp = dsamp;
+ changed = false;
+ }
+ else
+ {
+ long idsamp = (long)dsamp;
+ float frac = dsamp - idsamp;
+ for (int i = 0; i!= n;++i)
+ {
+ dlybuf[iwrphase & mask] = ZXP(nin);
+ long irdphase = iwrphase - idsamp;
+ long irdphaseb = irdphase - 1;
+ float d1 = dlybuf[irdphase & mask];
+ float d2 = dlybuf[irdphaseb & mask];
+ ZXP(nout) = lininterp(frac, d1, d2);
+ iwrphase++;
+ }
+
+ }
+ m_iwrphase = iwrphase;
+}
+
+/* todo: DelayL for control rate ? */
diff --git a/sc4pd/source/DelayUnit.cpp b/sc4pd/source/DelayUnit.cpp
index 5b11f96..45b05d5 100644
--- a/sc4pd/source/DelayUnit.cpp
+++ b/sc4pd/source/DelayUnit.cpp
@@ -30,8 +30,7 @@
http://www.parasitaere-kapazitaeten.net/ext
SuperCollider by James McCartney
http://www.audiosynth.com
-
- Coded while listening to:
+ Coded while listening to:
*/
diff --git a/sc4pd/source/main.cpp b/sc4pd/source/main.cpp
index 126cf50..79e67a9 100644
--- a/sc4pd/source/main.cpp
+++ b/sc4pd/source/main.cpp
@@ -60,7 +60,7 @@ void sc4pd_library_setup()
" sqrsum(~), absdif(~), LFSaw(~), LFPulse(~), Impulse(~),\n"
" Integrator(~), Decay~, Decay2~, Lag~, Lag2~, LinExp(~), "
"DelayN~,\n"
- " DelayL~, DelayC~"
+ " DelayL~, DelayC~, CombN~, CombL~"
);
//initialize objects
@@ -213,6 +213,10 @@ void sc4pd_library_setup()
FLEXT_DSP_SETUP(DelayL_ar);
FLEXT_DSP_SETUP(DelayC_ar);
+
+ FLEXT_DSP_SETUP(CombN_ar);
+
+ FLEXT_DSP_SETUP(CombL_ar);
}
FLEXT_LIB_SETUP(sc4pd,sc4pd_library_setup);
generated by cgit v1.2.1 (git 2.18.0) at 2024-12-28 13:13:23 +0000