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-rwxr-xr-xtab/makefile2
-rw-r--r--tab/tabosc4aa~-help.pd34
-rw-r--r--tab/tabread4c~.c12
-rw-r--r--tab/tabread6c~-help.pd58
-rw-r--r--tab/tabread6c~.c175
5 files changed, 259 insertions, 22 deletions
diff --git a/tab/makefile b/tab/makefile
index 1ae94c1..4dd12d5 100755
--- a/tab/makefile
+++ b/tab/makefile
@@ -57,7 +57,7 @@ SGICFLAGS6 = -n32 -DPD -DUNIX -DIRIX -DN32 -woff 1080,1064,1185 \
# ----------------------- LINUX i386 -----------------------
-pd_linux: tabosc4c~.pd_linux tabread4c~.pd_linux tabosc4cloop~.pd_linux tabosc4h~.pd_linux tabosc4l~.pd_linux tabosc4aa~.pd_linux
+pd_linux: tabosc4c~.pd_linux tabosc4cloop~.pd_linux tabosc4aa~.pd_linux tabread4c~.pd_linux tabread6c~.pd_linux
.SUFFIXES: .pd_linux
diff --git a/tab/tabosc4aa~-help.pd b/tab/tabosc4aa~-help.pd
index da9adac..1b5d0c9 100644
--- a/tab/tabosc4aa~-help.pd
+++ b/tab/tabosc4aa~-help.pd
@@ -1,11 +1,11 @@
-#N canvas 624 76 774 681 12;
+#N canvas 635 121 774 681 12;
#X floatatom 41 42 9 0 0 0 - - -;
#N canvas 0 0 450 300 (subpatch) 0;
#X array array99 11 float 0;
#X coords 0 1 10 -1 250 200 1;
#X restore 436 180 graph;
#X obj 437 48 loadbang;
-#X floatatom 41 -1 5 0 0 0 - - -;
+#X floatatom 41 -1 5 0 135 0 - - -;
#X obj 41 19 mtof;
#X floatatom 77 307 0 0 0 0 - - -;
#N canvas 159 26 706 447 output 0;
@@ -76,7 +76,6 @@
but offer a 4 points cubic interpolation with tengent continuity. So
\, in some case \, quality is better than the standart interpolation
;
-#X obj 42 123 tabosc4aa~ array99;
#X obj 179 122 tabosc4~ array99;
#X obj 157 498 oscillo~;
#X text 279 17 tabosc4~;
@@ -198,10 +197,12 @@ but offer a 4 points cubic interpolation with tengent continuity. So
#X restore 205 288 pd osc~;
#X msg 305 230 reset \, create \, 1;
#X msg 311 252 0 \, destroy;
-#X obj 305 274 gemwin 60;
#X msg 41 60 \$1 100;
#X obj 41 83 line~;
-#X connect 0 0 27 0;
+#X obj 42 123 tabosc4aa~ array99;
+#X obj 305 274 gemwin 20;
+#X floatatom 106 4 5 0 0 0 - - -;
+#X connect 0 0 25 0;
#X connect 2 0 16 0;
#X connect 3 0 4 0;
#X connect 4 0 0 0;
@@ -209,8 +210,8 @@ but offer a 4 points cubic interpolation with tengent continuity. So
#X connect 6 0 5 0;
#X connect 7 0 6 2;
#X connect 8 0 6 0;
-#X connect 8 0 20 0;
-#X connect 8 0 23 0;
+#X connect 8 0 19 0;
+#X connect 8 0 22 0;
#X connect 9 0 13 0;
#X connect 10 0 9 0;
#X connect 11 0 12 0;
@@ -218,14 +219,15 @@ but offer a 4 points cubic interpolation with tengent continuity. So
#X connect 13 0 11 0;
#X connect 13 0 14 1;
#X connect 14 0 6 0;
-#X connect 14 0 20 0;
-#X connect 14 0 23 0;
+#X connect 14 0 19 0;
+#X connect 14 0 22 0;
#X connect 15 0 18 1;
-#X connect 15 0 19 1;
-#X connect 18 0 14 0;
-#X connect 19 0 8 0;
-#X connect 24 0 26 0;
+#X connect 15 0 27 1;
+#X connect 18 0 8 0;
+#X connect 23 0 28 0;
+#X connect 24 0 28 0;
#X connect 25 0 26 0;
-#X connect 27 0 28 0;
-#X connect 28 0 18 0;
-#X connect 28 0 19 0;
+#X connect 26 0 18 0;
+#X connect 26 0 27 0;
+#X connect 27 0 14 0;
+#X connect 29 0 4 0;
diff --git a/tab/tabread4c~.c b/tab/tabread4c~.c
index 41f4ff3..c4a7804 100644
--- a/tab/tabread4c~.c
+++ b/tab/tabread4c~.c
@@ -72,7 +72,7 @@ static t_int *tabread4c_tilde_perform(t_int *w)
int maxindex;
t_word *buf = x->x_vec, *wp;
int i;
- double a0,a1,a2; // CH
+ double a3,a1,a2; // CH
maxindex = x->x_npoints - 3;
@@ -117,10 +117,12 @@ static t_int *tabread4c_tilde_perform(t_int *w)
// cminusb - 0.1666667f * (1.-frac) * (
// (d - a - 3.0f * cminusb) * frac + (d + 2.0f*a - 3.0f*b)
// CH
- a0 = d - c - a + b;
- a1 = a - b - a0;
- a2 = c - a;
- *out++ = ((a0*frac+a1)*frac+a2)*frac+b;
+ // 4-point, 3rd-order Hermite (x-form)
+ a1 = 0.5f * (c - a);
+ a2 = a - 2.5 * b + 2.f * c - 0.5f * d;
+ a3 = 0.5f * (d - a) + 1.5f * (b - c);
+
+ *out++ = ((a3 * frac + a2) * frac + a1) * frac + b;
}
return (w+5);
zero:
diff --git a/tab/tabread6c~-help.pd b/tab/tabread6c~-help.pd
new file mode 100644
index 0000000..ba67350
--- /dev/null
+++ b/tab/tabread6c~-help.pd
@@ -0,0 +1,58 @@
+#N canvas 334 239 834 544 10;
+#N canvas 0 0 450 300 (subpatch) 0;
+#X array array99 20 float 0;
+#X coords 0 1 19 -1 250 200 1;
+#X restore 515 66 graph;
+#X obj 69 195 line~;
+#X obj 36 139 bng 15 250 50 0 empty empty empty 17 7 0 10 -262144 -1
+-1;
+#X obj 36 32 loadbang;
+#X obj 300 195 line~;
+#X obj 36 55 t b b;
+#N canvas 0 0 450 300 (subpatch) 0;
+#X array test_4c 44100 float 0;
+#X coords 0 1 44099 -1 250 200 1;
+#X restore 278 316 graph;
+#X obj 70 219 tabread6c~ array99;
+#N canvas 0 0 450 300 (subpatch) 0;
+#X array test_6c 44100 float 0;
+#X coords 0 1 44099 -1 250 200 1;
+#X restore 18 317 graph;
+#X obj 301 219 tabread4c~ array99;
+#X obj 583 373 phasor~ 222;
+#X msg 68 77 \; array99 resize 20 \; array99 0 0 0 0 0 0 -0.5 -0.5
+-0.5 0.5 0.5 0.5 -0.5 0 0 0.5 0 0 0 0 0 \; pd dsp 1 \;;
+#X msg 70 171 2 \, 17 1000;
+#X msg 300 172 2 \, 17 1000;
+#X obj 583 400 *~ 15;
+#X obj 582 425 +~ 2;
+#X obj 582 448 tabread6c~ array99;
+#X obj 606 471 tabread4c~ array99;
+#X obj 582 494 dac~;
+#X floatatom 583 354 5 0 0 0 - - -;
+#X floatatom 583 314 5 0 0 0 - - -;
+#X obj 583 333 mtof;
+#X obj 302 258 tabwrite~ test_4c;
+#X obj 36 250 tabwrite~ test_6c;
+#X connect 1 0 7 0;
+#X connect 2 0 12 0;
+#X connect 2 0 13 0;
+#X connect 2 0 22 0;
+#X connect 2 0 23 0;
+#X connect 3 0 5 0;
+#X connect 4 0 9 0;
+#X connect 5 0 2 0;
+#X connect 5 1 11 0;
+#X connect 7 0 23 0;
+#X connect 9 0 22 0;
+#X connect 10 0 14 0;
+#X connect 12 0 1 0;
+#X connect 13 0 4 0;
+#X connect 14 0 15 0;
+#X connect 15 0 16 0;
+#X connect 15 0 17 0;
+#X connect 16 0 18 0;
+#X connect 17 0 18 1;
+#X connect 19 0 10 0;
+#X connect 20 0 21 0;
+#X connect 21 0 19 0;
diff --git a/tab/tabread6c~.c b/tab/tabread6c~.c
new file mode 100644
index 0000000..6bfe127
--- /dev/null
+++ b/tab/tabread6c~.c
@@ -0,0 +1,175 @@
+// tabread6c~
+// most of this code comes from pd. just the interpolation shematic is diferent.
+
+
+/*
+This software is copyrighted by Miller Puckette and others. The following
+terms (the "Standard Improved BSD License") apply to all files associated with
+the software unless explicitly disclaimed in individual files:
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are
+met:
+
+1. Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+2. Redistributions in binary form must reproduce the above
+ copyright notice, this list of conditions and the following
+ disclaimer in the documentation and/or other materials provided
+ with the distribution.
+3. The name of the author may not be used to endorse or promote
+ products derived from this software without specific prior
+ written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR
+BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
+TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+// Cyrille Henry 06 2008
+
+#include "m_pd.h"
+
+/******************** tabread6c~ ***********************/
+
+static t_class *tabread6c_tilde_class;
+
+typedef struct _tabread6c_tilde
+{
+ t_object x_obj;
+ int x_npoints;
+ t_word *x_vec;
+ t_symbol *x_arrayname;
+ t_float x_f;
+} t_tabread6c_tilde;
+
+static void *tabread6c_tilde_new(t_symbol *s)
+{
+ t_tabread6c_tilde *x = (t_tabread6c_tilde *)pd_new(tabread6c_tilde_class);
+ x->x_arrayname = s;
+ x->x_vec = 0;
+ outlet_new(&x->x_obj, gensym("signal"));
+ x->x_f = 0;
+ return (x);
+}
+
+static t_int *tabread6c_tilde_perform(t_int *w)
+{
+ t_tabread6c_tilde *x = (t_tabread6c_tilde *)(w[1]);
+ t_sample *in = (t_sample *)(w[2]);
+ t_sample *out = (t_sample *)(w[3]);
+ int n = (int)(w[4]);
+ int maxindex;
+ t_word *buf = x->x_vec, *wp;
+ int i;
+ double a0,a1,a2,a3,a4,a5; // CH
+
+ maxindex = x->x_npoints - 3;
+
+ if (!buf) goto zero;
+
+#if 0 /* test for spam -- I'm not ready to deal with this */
+ for (i = 0, xmax = 0, xmin = maxindex, fp = in1; i < n; i++, fp++)
+ {
+ t_sample f = *in1;
+ if (f < xmin) xmin = f;
+ else if (f > xmax) xmax = f;
+ }
+ if (xmax < xmin + x->c_maxextent) xmax = xmin + x->c_maxextent;
+ for (i = 0, splitlo = xmin+ x->c_maxextent, splithi = xmax - x->c_maxextent,
+ fp = in1; i < n; i++, fp++)
+ {
+ t_sample f = *in1;
+ if (f > splitlo && f < splithi) goto zero;
+ }
+#endif
+
+ for (i = 0; i < n; i++)
+ {
+ t_sample findex = *in++;
+ int index = findex;
+ t_sample frac, a, b, c, d, e, f, cminusb;
+ static int count;
+ if (index < 1)
+ index = 1, frac = 0;
+ else if (index > maxindex)
+ index = maxindex, frac = 1;
+ else frac = findex - index;
+ wp = buf + index;
+ a = wp[-2].w_float;
+ b = wp[-1].w_float;
+ c = wp[0].w_float;
+ d = wp[1].w_float;
+ e = wp[2].w_float;
+ f = wp[3].w_float;
+// CH
+
+ a0 = c;
+ a1 = ( 1./12.)*a - ( 2./3. )*b + ( 2./3. )*d - ( 1./12.)*e;
+ a2 = (-1./24.)*a + ( 2./3. )*b - ( 5./4. )*c + ( 2./3. )*d - ( 1./24.)*e;
+ a3 = (-3./8. )*a + (13./8. )*b - (35./12.)*c + (11./4. )*d - (11./8. )*e + ( 7./24.)*f;
+ a4 = (13./24.)*a - ( 8./3. )*b + (21./4. )*c - (31./6. )*d + (61./24.)*e - ( 1./2. )*f;
+ a5 = (-5./24.)*a + (25./24.)*b - (25./12.)*c + (25./12.)*d - (25./24.)*e + ( 5./24.)*f;
+
+ *out++ = ((((a5 * frac + a4 ) * frac + a3) * frac + a2) * frac + a1) * frac + a0;
+
+ }
+ return (w+5);
+ zero:
+ while (n--) *out++ = 0;
+
+ return (w+5);
+}
+
+void tabread6c_tilde_set(t_tabread6c_tilde *x, t_symbol *s)
+{
+ t_garray *a;
+
+ x->x_arrayname = s;
+ if (!(a = (t_garray *)pd_findbyclass(x->x_arrayname, garray_class)))
+ {
+ if (*s->s_name)
+ pd_error(x, "tabread6c~: %s: no such array", x->x_arrayname->s_name);
+ x->x_vec = 0;
+ }
+ else if (!garray_getfloatwords(a, &x->x_npoints, &x->x_vec))
+ {
+ pd_error(x, "%s: bad template for tabread6c~", x->x_arrayname->s_name);
+ x->x_vec = 0;
+ }
+ else garray_usedindsp(a);
+}
+
+static void tabread6c_tilde_dsp(t_tabread6c_tilde *x, t_signal **sp)
+{
+ tabread6c_tilde_set(x, x->x_arrayname);
+
+ dsp_add(tabread6c_tilde_perform, 4, x,
+ sp[0]->s_vec, sp[1]->s_vec, sp[0]->s_n);
+
+}
+
+static void tabread6c_tilde_free(t_tabread6c_tilde *x)
+{
+}
+
+void tabread6c_tilde_setup(void)
+{
+ tabread6c_tilde_class = class_new(gensym("tabread6c~"),
+ (t_newmethod)tabread6c_tilde_new, (t_method)tabread6c_tilde_free,
+ sizeof(t_tabread6c_tilde), 0, A_DEFSYM, 0);
+ CLASS_MAINSIGNALIN(tabread6c_tilde_class, t_tabread6c_tilde, x_f);
+ class_addmethod(tabread6c_tilde_class, (t_method)tabread6c_tilde_dsp,
+ gensym("dsp"), 0);
+ class_addmethod(tabread6c_tilde_class, (t_method)tabread6c_tilde_set,
+ gensym("set"), A_SYMBOL, 0);
+}
generated by cgit v1.2.1 (git 2.18.0) at 2024-11-11 12:10:07 +0000