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-rw-r--r--sc4pd/source/sc+.cpp113
-rw-r--r--sc4pd/source/sc-.cpp142
2 files changed, 255 insertions, 0 deletions
diff --git a/sc4pd/source/sc+.cpp b/sc4pd/source/sc+.cpp
new file mode 100644
index 0000000..e1a7e26
--- /dev/null
+++ b/sc4pd/source/sc+.cpp
@@ -0,0 +1,113 @@
+/* sc4pd
+ sc+~
+
+ 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: Phil Minton & Veryan Weston: Ways Past
+
+*/
+
+#include "sc4pd.hpp"
+
+
+/* ------------------------ sc+~ -------------------------------*/
+
+class scadd_ar:
+ public sc4pd_dsp
+{
+ FLEXT_HEADER(scadd_ar,sc4pd_dsp);
+
+public:
+ scadd_ar(int argc, t_atom *argv);
+
+protected:
+ virtual void m_signal(int n, t_sample *const *in, t_sample *const *out);
+
+ void m_set(float f)
+ {
+ m_nextsummand = f;
+ changed = true;
+ }
+
+ float m_nextsummand, m_summand;
+ bool changed;
+
+private:
+ FLEXT_CALLBACK_1(m_set,float);
+};
+
+FLEXT_LIB_DSP_V("sc+~",scadd_ar);
+
+scadd_ar::scadd_ar(int argc, t_atom *argv)
+{
+ FLEXT_ADDMETHOD(1,m_set);
+
+ //parse arguments
+ AtomList Args(argc,argv);
+
+ m_summand = sc_getfloatarg(Args,0);
+
+ AddInSignal("signal");
+ AddInFloat("scalar");
+ AddOutSignal();
+
+ changed = false;
+}
+
+void scadd_ar::m_signal(int n, t_sample *const *in,
+ t_sample *const *out)
+{
+ t_sample *nin = *in;
+ t_sample *nout = *out;
+
+ if (changed)
+ {
+ float xb = m_nextsummand;
+ float slope = CALCSLOPE(xb, m_summand);
+ for (int i = 0; i!=n; ++i)
+ {
+ ZXP(nout) = ZXP(nin) + xb;
+ xb += slope;
+ }
+ m_summand = xb;
+ changed = false;
+ }
+ else
+ {
+ float xb = m_summand;
+
+ for (int i = 0; i!=n; ++i)
+ {
+ ZXP(nout) = ZXP(nin) + xb;
+ }
+ }
+}
+
+
diff --git a/sc4pd/source/sc-.cpp b/sc4pd/source/sc-.cpp
new file mode 100644
index 0000000..0dfd2ce
--- /dev/null
+++ b/sc4pd/source/sc-.cpp
@@ -0,0 +1,142 @@
+/* sc4pd
+ sc-~
+
+ 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: Phil Minton & Veryan Weston: Ways
+
+*/
+
+#include "sc4pd.hpp"
+
+
+/* ------------------------ sc-~ -------------------------------*/
+
+class scsub_ar:
+ public sc4pd_dsp
+{
+ FLEXT_HEADER(scsub_ar,sc4pd_dsp);
+
+public:
+ scsub_ar(int argc, t_atom *argv);
+
+protected:
+ virtual void m_signal(int n, t_sample *const *in, t_sample *const *out);
+
+ void m_set(float f)
+ {
+ m_nextsubtrahend = f;
+ changed = true;
+ }
+
+ float m_nextsubtrahend, m_subtrahend;
+ bool changed;
+ bool invert;
+
+private:
+ FLEXT_CALLBACK_1(m_set,float);
+};
+
+FLEXT_LIB_DSP_V("sc-~",scsub_ar);
+
+scsub_ar::scsub_ar(int argc, t_atom *argv)
+{
+ FLEXT_ADDMETHOD(1,m_set);
+
+ //parse arguments
+ AtomList Args(argc,argv);
+
+ m_subtrahend = sc_getfloatarg(Args,0);
+
+ invert = sc_inv(Args);
+
+ AddInSignal("signal");
+ AddInFloat("scalar");
+ AddOutSignal();
+
+ changed = false;
+}
+
+void scsub_ar::m_signal(int n, t_sample *const *in,
+ t_sample *const *out)
+{
+ t_sample *nin = *in;
+ t_sample *nout = *out;
+
+ if (invert)
+ {
+ if (changed)
+ {
+ float xb = m_nextsubtrahend;
+ float slope = CALCSLOPE(xb, m_subtrahend);
+ for (int i = 0; i!=n; ++i)
+ {
+ ZXP(nout) = xb - ZXP(nin);
+ xb += slope;
+ }
+ m_subtrahend = xb;
+ changed = false;
+ }
+ else
+ {
+ float xb = m_subtrahend;
+
+ for (int i = 0; i!=n; ++i)
+ {
+ ZXP(nout) = xb - ZXP(nin);
+ }
+ }
+ }
+ else
+ {
+ if (changed)
+ {
+ float xb = m_nextsubtrahend;
+ float slope = CALCSLOPE(xb, m_subtrahend);
+ for (int i = 0; i!=n; ++i)
+ {
+ ZXP(nout) = ZXP(nin) - xb;
+ xb += slope;
+ }
+ m_subtrahend = xb;
+ changed = false;
+ }
+ else
+ {
+ float xb = m_subtrahend;
+
+ for (int i = 0; i!=n; ++i)
+ {
+ ZXP(nout) = ZXP(nin) - xb;
+ }
+ }
+ }
+}
+