diff options
| -rwxr-xr-x | sc4pd/make-files.txt | 2 | ||||
| -rw-r--r-- | sc4pd/pd/combl.pd | 20 | ||||
| -rw-r--r-- | sc4pd/pd/combn.pd | 20 | ||||
| -rw-r--r-- | sc4pd/pd/delayc.pd | 11 | ||||
| -rw-r--r-- | sc4pd/pd/delayl.pd | 11 | ||||
| -rw-r--r-- | sc4pd/source/CombL.cpp | 272 | ||||
| -rw-r--r-- | sc4pd/source/CombN.cpp | 341 | ||||
| -rw-r--r-- | sc4pd/source/DelayC.cpp | 287 | ||||
| -rw-r--r-- | sc4pd/source/DelayL.cpp | 236 | ||||
| -rw-r--r-- | sc4pd/source/DelayUnit.cpp | 3 | ||||
| -rw-r--r-- | sc4pd/source/main.cpp | 6 |
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); |