From f9e3fe480e7e3c448a626d508f1976f4fec2f759 Mon Sep 17 00:00:00 2001 From: Hans-Christoph Steiner Date: Tue, 9 Feb 2010 21:05:37 +0000 Subject: convert file layout to libdir style and setup everything with the new template Makefile+debian stuff svn path=/trunk/externals/sigpack/; revision=13153 --- source/chop~.c | 67 ------------------ source/decimate~.c | 76 -------------------- source/diode~.c | 78 --------------------- source/foldback~.c | 70 ------------------- source/foldover~.c | 71 ------------------- source/freqdiv~.c | 100 -------------------------- source/freqshift~.c | 197 ---------------------------------------------------- source/harmgen~.c | 161 ------------------------------------------ source/rectify~.c | 61 ---------------- source/round~.c | 64 ----------------- source/sIgpAck.c | 58 ---------------- source/saturate~.c | 83 ---------------------- source/sieve~.c | 105 ---------------------------- source/split~.c | 72 ------------------- source/ustep~.c | 83 ---------------------- source/vowel~.c | 118 ------------------------------- 16 files changed, 1464 deletions(-) delete mode 100644 source/chop~.c delete mode 100644 source/decimate~.c delete mode 100644 source/diode~.c delete mode 100644 source/foldback~.c delete mode 100644 source/foldover~.c delete mode 100644 source/freqdiv~.c delete mode 100644 source/freqshift~.c delete mode 100644 source/harmgen~.c delete mode 100644 source/rectify~.c delete mode 100644 source/round~.c delete mode 100644 source/sIgpAck.c delete mode 100644 source/saturate~.c delete mode 100644 source/sieve~.c delete mode 100644 source/split~.c delete mode 100644 source/ustep~.c delete mode 100644 source/vowel~.c (limited to 'source') diff --git a/source/chop~.c b/source/chop~.c deleted file mode 100644 index 1d8c35a..0000000 --- a/source/chop~.c +++ /dev/null @@ -1,67 +0,0 @@ -/* sIgpAck - * for - * pure-data - * www.weiss-archiv.de */ - -#include "m_pd.h" -#ifdef _MSC_VER -#pragma warning( disable : 4244 ) -#pragma warning( disable : 4305 ) -#endif - -// ------------------------ chop~ ----------------------------- -// signal chopping modulator - -static t_class *chop_tilde_class; - -typedef struct _chop_tilde -{ - t_object x_obj; - t_sample x_factor; - float x_f; -} t_chop_tilde; - -static void *chop_tilde_new(t_floatarg factor) -{ - t_chop_tilde *x = (t_chop_tilde *)pd_new(chop_tilde_class); - x->x_factor = factor; - outlet_new(&x->x_obj, gensym("signal")); - inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_signal, &s_signal); - floatinlet_new(&x->x_obj, &x->x_factor); - x->x_f = 0; - if(factor) x->x_factor = factor; - else x->x_factor = 0; - return (x); -} - -static t_int *chop_tilde_perform(t_int *w) -{ - t_chop_tilde *x = (t_chop_tilde *)(w[1]); - t_float *in1 = (t_float *)(w[2]); - t_float *in2 = (t_float *)(w[3]); - t_float *out = (t_float *)(w[4]); - int n = (int)(w[5]); - float f, m, value; - while (n--) - { - f = *in1++; - m = *in2++; - if(m > 0.) value = f * x->x_factor; - else value = f; - *out++ = value; - } - return (w+6); -} - -static void chop_tilde_dsp(t_chop_tilde *x, t_signal **sp) -{ - dsp_add(chop_tilde_perform, 5, x, sp[0]->s_vec, sp[1]->s_vec, sp[2]->s_vec, sp[0]->s_n); -} - -void chop_tilde_setup(void) -{ - chop_tilde_class = class_new(gensym("chop~"), (t_newmethod)chop_tilde_new, 0, - sizeof(t_chop_tilde), 0, A_DEFFLOAT, 0); - CLASS_MAINSIGNALIN(chop_tilde_class, t_chop_tilde, x_f); - class_addmethod(chop_tilde_class, (t_method)chop_tilde_dsp, gensym("dsp"), 0); -} diff --git a/source/decimate~.c b/source/decimate~.c deleted file mode 100644 index 6468d20..0000000 --- a/source/decimate~.c +++ /dev/null @@ -1,76 +0,0 @@ -/* sIgpAck - * for - * pure-data - * www.weiss-archiv.de */ - -#include "m_pd.h" -#ifdef _MSC_VER -#pragma warning( disable : 4244 ) -#pragma warning( disable : 4305 ) -#endif - -// ------------------------ decimate~ ----------------------------- -// signal decimation -// code from musicdsp.org posted by tobybear - -static t_class *decimate_tilde_class; - -typedef struct _decimate_tilde -{ - t_object x_obj; - t_sample x_rate; - t_sample x_bits; - float x_f; -} t_decimate_tilde; - -static void *decimate_tilde_new(t_floatarg rate, t_floatarg bits) -{ - t_decimate_tilde *x = (t_decimate_tilde *)pd_new(decimate_tilde_class); - x->x_rate = rate; - x->x_bits = bits; - outlet_new(&x->x_obj, gensym("signal")); - floatinlet_new(&x->x_obj, &x->x_rate); - floatinlet_new(&x->x_obj, &x->x_bits); - x->x_f = 0; - if (rate) x->x_rate = rate; - else x->x_rate = 0.5; - if (bits) x->x_bits = bits; - else x->x_bits = 16; - return (x); -} - -static t_int *decimate_tilde_perform(t_int *w) -{ - t_decimate_tilde *x = (t_decimate_tilde *)(w[1]); - t_float *in = (t_float *)(w[2]); - t_float *out = (t_float *)(w[3]); - int n = (int)(w[4]); - float f; - long int m=1<<(int)(x->x_bits-1); - float y=0, cnt=0; - while (n--) - { - f = *in++; - cnt+=x->x_rate; - if (cnt>=1) - { - cnt-=1; - y=(long int)(f*m)/(float)m; - } - *out++ = y; - } - return (w+5); -} - -static void decimate_tilde_dsp(t_decimate_tilde *x, t_signal **sp) -{ - dsp_add(decimate_tilde_perform, 4, x, sp[0]->s_vec, sp[1]->s_vec, sp[0]->s_n); -} - -void decimate_tilde_setup(void) -{ - decimate_tilde_class = class_new(gensym("decimate~"), (t_newmethod)decimate_tilde_new, 0, - sizeof(t_decimate_tilde), 0, A_DEFFLOAT, A_DEFFLOAT, 0); - CLASS_MAINSIGNALIN(decimate_tilde_class, t_decimate_tilde, x_f); - class_addmethod(decimate_tilde_class, (t_method)decimate_tilde_dsp, gensym("dsp"), 0); -} diff --git a/source/diode~.c b/source/diode~.c deleted file mode 100644 index 546ba27..0000000 --- a/source/diode~.c +++ /dev/null @@ -1,78 +0,0 @@ -/* sIgpAck - * for - * pure-data - * www.weiss-archiv.de */ - -#include "m_pd.h" -#include -#ifdef _MSC_VER -#pragma warning( disable : 4244 ) -#pragma warning( disable : 4305 ) -#endif - -/* ------------------------ diode~ ----------------------------- */ -/* Mangles the signal as if it had been passed through a diode rectifier network.*/ -/* code from swh_plugins by steve harris www.plugin.org.uk */ - -static t_class *diode_tilde_class; - -typedef struct _diode_tilde -{ - t_object x_obj; - t_sample x_mode;//0=none,1=halfWave,2=fullWave - float x_f; -} t_diode_tilde; - -static void *diode_tilde_new(t_floatarg mode) -{ - t_diode_tilde *x = (t_diode_tilde *)pd_new(diode_tilde_class); - x->x_mode = mode; - outlet_new(&x->x_obj, gensym("signal")); - floatinlet_new(&x->x_obj, &x->x_mode); - x->x_f = 0; - if(mode) x->x_mode = mode; - else x->x_mode = 0; - return (x); -} - -static t_int *diode_tilde_perform(t_int *w) -{ - t_diode_tilde *x = (t_diode_tilde *)(w[1]); - t_float *in = (t_float *)(w[2]); - t_float *out = (t_float *)(w[3]); - int n = (int)(w[4]); - float f, value; - while (n--) - { - f = *in++; - if(x->x_mode >= 0.0f && x->x_mode < 1.0f) { - value = ((1.0f - x->x_mode) * f + (x->x_mode * (f > 0.0f ? f : 0.0f))); - } - else if (x->x_mode >= 1.0f && x->x_mode < 2.0f) { - float fac = x->x_mode - 1.0f; - value = ((1.0f - fac) * (f > 0 ? f : 0.0)) + (fac * fabs(f)); - } - else if (x->x_mode >= 2) { - float fac = x->x_mode < 3 ? x->x_mode - 2 : 1.0; - value = (1.0 - fac) * fabs(f); - } - else { - value = f; - } - *out++ = value; - } - return (w+5); -} - -static void diode_tilde_dsp(t_diode_tilde *x, t_signal **sp) -{ - dsp_add(diode_tilde_perform, 4, x, sp[0]->s_vec, sp[1]->s_vec, sp[0]->s_n); -} - -void diode_tilde_setup(void) -{ - diode_tilde_class = class_new(gensym("diode~"), (t_newmethod)diode_tilde_new, 0, - sizeof(t_diode_tilde), 0, A_DEFFLOAT, 0); - CLASS_MAINSIGNALIN(diode_tilde_class, t_diode_tilde, x_f); - class_addmethod(diode_tilde_class, (t_method)diode_tilde_dsp, gensym("dsp"), 0); -} diff --git a/source/foldback~.c b/source/foldback~.c deleted file mode 100644 index a40f408..0000000 --- a/source/foldback~.c +++ /dev/null @@ -1,70 +0,0 @@ -/* sIgpAck - * for - * pure-data - * www.weiss-archiv.de */ - -#include "m_pd.h" -#ifdef _MSC_VER -#pragma warning( disable : 4244 ) -#pragma warning( disable : 4305 ) -#endif - -/* ------------------------ foldback~ ----------------------------- */ -/* signal mirror */ - -static t_class *foldback_tilde_class; - -typedef struct _foldback_tilde -{ - t_object x_obj; - t_sample x_low; - t_sample x_high; - float x_f; -} t_foldback_tilde; - -static void *foldback_tilde_new(t_floatarg low, t_floatarg high) -{ - t_foldback_tilde *x = (t_foldback_tilde *)pd_new(foldback_tilde_class); - x->x_low = low; - x->x_high = high; - outlet_new(&x->x_obj, gensym("signal")); - floatinlet_new(&x->x_obj, &x->x_low); - floatinlet_new(&x->x_obj, &x->x_high); - x->x_f = 0; - if(low) x->x_low = low; - else x->x_low = -1; - if(high) x->x_high = high; - else x->x_high = 1; - return (x); -} - -static t_int *foldback_tilde_perform(t_int *w) -{ - t_foldback_tilde *x = (t_foldback_tilde *)(w[1]); - t_float *in = (t_float *)(w[2]); - t_float *out = (t_float *)(w[3]); - int n = (int)(w[4]); - float f, value; - while (n--) - { - f = *in++; - if(f < x->x_low) value = (f - ((f - x->x_low) * 2)); - else if(f > x->x_high) value = (f - ((f - x->x_high) * 2)); - else value = f; - *out++ = value; - } - return (w+5); -} - -static void foldback_tilde_dsp(t_foldback_tilde *x, t_signal **sp) -{ - dsp_add(foldback_tilde_perform, 4, x, sp[0]->s_vec, sp[1]->s_vec, sp[0]->s_n); -} - -void foldback_tilde_setup(void) -{ - foldback_tilde_class = class_new(gensym("foldback~"), (t_newmethod)foldback_tilde_new, 0, - sizeof(t_foldback_tilde), 0, A_DEFFLOAT, A_DEFFLOAT, 0); - CLASS_MAINSIGNALIN(foldback_tilde_class, t_foldback_tilde, x_f); - class_addmethod(foldback_tilde_class, (t_method)foldback_tilde_dsp, gensym("dsp"), 0); -} diff --git a/source/foldover~.c b/source/foldover~.c deleted file mode 100644 index 9b1c699..0000000 --- a/source/foldover~.c +++ /dev/null @@ -1,71 +0,0 @@ -/* sIgpAck - * for - * pure-data - * www.weiss-archiv.de */ - -#include "m_pd.h" -#ifdef _MSC_VER -#pragma warning( disable : 4244 ) -#pragma warning( disable : 4305 ) -#endif - -/* ------------------------ foldover~ ----------------------------- */ -/* foldover distortion */ -/* code from swh_plugins by steve harris www.plugin.org.uk */ - -static t_class *foldover_tilde_class; - -typedef struct _foldover_tilde -{ - t_object x_obj; - t_sample x_drive_p; - t_sample x_push; - float x_f; -} t_foldover_tilde; - -static void *foldover_tilde_new(t_floatarg drive_p, t_floatarg push) -{ - t_foldover_tilde *x = (t_foldover_tilde *)pd_new(foldover_tilde_class); - x->x_drive_p = drive_p; - x->x_push = push; - outlet_new(&x->x_obj, gensym("signal")); - floatinlet_new(&x->x_obj, &x->x_drive_p); - floatinlet_new(&x->x_obj, &x->x_push); - x->x_f = 0; - if(drive_p) x->x_drive_p = drive_p; - else x->x_drive_p = 0; - if(push) x->x_push = push; - else x->x_push = 0; - return (x); -} - -static t_int *foldover_tilde_perform(t_int *w) -{ - t_foldover_tilde *x = (t_foldover_tilde *)(w[1]); - t_float *in = (t_float *)(w[2]); - t_float *out = (t_float *)(w[3]); - int n = (int)(w[4]); - float f, value, y; - float drive = x->x_drive_p + 1.0f; - while (n--) - { - f = *in++; - y = f * drive + x->x_push; - value = 1.5f * y - 0.5f * y * y *y; - *out++ = value; - } - return (w+5); -} - -static void foldover_tilde_dsp(t_foldover_tilde *x, t_signal **sp) -{ - dsp_add(foldover_tilde_perform, 4, x, sp[0]->s_vec, sp[1]->s_vec, sp[0]->s_n); -} - -void foldover_tilde_setup(void) -{ - foldover_tilde_class = class_new(gensym("foldover~"), (t_newmethod)foldover_tilde_new, 0, - sizeof(t_foldover_tilde), 0, A_DEFFLOAT, A_DEFFLOAT, 0); - CLASS_MAINSIGNALIN(foldover_tilde_class, t_foldover_tilde, x_f); - class_addmethod(foldover_tilde_class, (t_method)foldover_tilde_dsp, gensym("dsp"), 0); -} diff --git a/source/freqdiv~.c b/source/freqdiv~.c deleted file mode 100644 index 0155172..0000000 --- a/source/freqdiv~.c +++ /dev/null @@ -1,100 +0,0 @@ -/* sIgpAck - * for - * pure-data - * www.weiss-archiv.de */ - -#include "m_pd.h" -#include -#ifdef _MSC_VER -#pragma warning( disable : 4244 ) -#pragma warning( disable : 4305 ) -#endif - -/* ------------------------ freqdiv~ ----------------------------- */ -/* frequency divider */ -/* code from swh_plugins by steve harris www.plugins.org.uk */ - -static t_class *freqdiv_tilde_class; - -typedef struct _freqdiv_tilde -{ - t_object x_obj; - t_sample x_denominate; - t_sample x_amp; - float x_count; - t_sample x_lamp; - t_sample x_last; - t_sample x_out; - int x_zeroxs; - float x_f; -} t_freqdiv_tilde; - -static void *freqdiv_tilde_new(t_floatarg denominate) -{ - t_freqdiv_tilde *x = (t_freqdiv_tilde *)pd_new(freqdiv_tilde_class); - x->x_denominate = denominate; - outlet_new(&x->x_obj, gensym("signal")); - floatinlet_new(&x->x_obj, &x->x_denominate); - x->x_f = 0; - x->x_amp = 0; - x->x_count = 0; - x->x_lamp = 0; - x->x_last = 0; - x->x_out = 0; - x->x_zeroxs = 0; - if (denominate) x->x_denominate = denominate; - else x->x_denominate = 1; - return (x); -} - -static t_int *freqdiv_tilde_perform(t_int *w) -{ - t_freqdiv_tilde *x = (t_freqdiv_tilde *)(w[1]); - t_float *in = (t_float *)(w[2]); - t_float *out = (t_float *)(w[3]); - int n = (int)(w[4]); - float f; - int den = (int)x->x_denominate; - while (n--) - { - f = *in++; - x->x_count += 1.0f; - if ((f > 0.0f && x->x_last <= 0.0f) || (f < 0.0f && x->x_last >= 0.0)) - { - x->x_zeroxs++; - if (den == 1) - { - x->x_out = x->x_out > 0.0f ? -1.0f : 1.0f; - x->x_lamp = x->x_amp / x->x_count; - x->x_zeroxs = 0; - x->x_count = 0; - x->x_amp = 0; - } - } - x->x_amp += fabs(f); - if (den > 1 && (x->x_zeroxs % den) == den-1) - { - x->x_out = x->x_out > 0.0f ? -1.0f : 1.0f; - x->x_lamp = x->x_amp / x->x_count; - x->x_zeroxs = 0; - x->x_count = 0; - x->x_amp = 0; - } - x->x_last = f; - *out++ = x->x_out * x->x_lamp; - } - return (w+5); -} - -static void freqdiv_tilde_dsp(t_freqdiv_tilde *x, t_signal **sp) -{ - dsp_add(freqdiv_tilde_perform, 4, x, sp[0]->s_vec, sp[1]->s_vec, sp[0]->s_n); -} - -void freqdiv_tilde_setup(void) -{ - freqdiv_tilde_class = class_new(gensym("freqdiv~"), (t_newmethod)freqdiv_tilde_new, 0, - sizeof(t_freqdiv_tilde), 0, A_DEFFLOAT, 0); - CLASS_MAINSIGNALIN(freqdiv_tilde_class, t_freqdiv_tilde, x_f); - class_addmethod(freqdiv_tilde_class, (t_method)freqdiv_tilde_dsp, gensym("dsp"), 0); -} diff --git a/source/freqshift~.c b/source/freqshift~.c deleted file mode 100644 index 026e4cb..0000000 --- a/source/freqshift~.c +++ /dev/null @@ -1,197 +0,0 @@ -/* sIgpAck - * for - * pure-data - * www.weiss-archiv.de */ - -#include "m_pd.h" -#include -#ifdef _MSC_VER -#pragma warning( disable : 4244 ) -#pragma warning( disable : 4305 ) -#define M_PI 3.14159265358979323846 -#endif - -/* ------------------------ freqshift~ ----------------------------- */ -/* frequency shifter */ -/* code from swh_plugins by steve harris www.plugins.org.uk */ - -#define SIN_T_SIZE 64 -#define D_SIZE 256 -#define NZEROS 200 - -static t_class *freqshift_tilde_class; - -typedef struct _freqshift_tilde -{ - t_object x_obj; - t_float x_shift;//[0 - 5000] - float *x_delay; - unsigned int x_dptr; - t_float x_fs; - t_float x_last_shift; - t_float x_phi; - float *x_sint; - float x_f; -} t_freqshift_tilde; - -static void *freqshift_tilde_new(t_floatarg shift) -{ - unsigned int i; - - t_freqshift_tilde *x = (t_freqshift_tilde *)pd_new(freqshift_tilde_class); - //x->x_shift = shift; - outlet_new(&x->x_obj, gensym("signal")); - outlet_new(&x->x_obj, gensym("signal")); - floatinlet_new(&x->x_obj, &x->x_shift); - x->x_fs = sys_getsr(); - x->x_delay = (float *)getbytes(D_SIZE * sizeof(float)); - x->x_sint = (float *)getbytes(SIN_T_SIZE * sizeof(float)); - x->x_dptr = 0; - x->x_phi = 0.0f; - x->x_last_shift = 0.0f; - x->x_f = 0; - for (i = 0; i < SIN_T_SIZE; i++) { - x->x_sint[i] = sin(2.0f * M_PI * (float)i / (float)SIN_T_SIZE); - } - if (shift) x->x_shift = shift; - else x->x_shift = 0; - return (x); -} - -/* The non-zero taps of the Hilbert transformer */ -static float xcoeffs[] = { - +0.0008103736f, +0.0008457886f, +0.0009017196f, +0.0009793364f, - +0.0010798341f, +0.0012044365f, +0.0013544008f, +0.0015310235f, - +0.0017356466f, +0.0019696659f, +0.0022345404f, +0.0025318040f, - +0.0028630784f, +0.0032300896f, +0.0036346867f, +0.0040788644f, - +0.0045647903f, +0.0050948365f, +0.0056716186f, +0.0062980419f, - +0.0069773575f, +0.0077132300f, +0.0085098208f, +0.0093718901f, - +0.0103049226f, +0.0113152847f, +0.0124104218f, +0.0135991079f, - +0.0148917649f, +0.0163008758f, +0.0178415242f, +0.0195321089f, - +0.0213953037f, +0.0234593652f, +0.0257599469f, +0.0283426636f, - +0.0312667947f, +0.0346107648f, +0.0384804823f, +0.0430224431f, - +0.0484451086f, +0.0550553725f, +0.0633242001f, +0.0740128560f, - +0.0884368322f, +0.1090816773f, +0.1412745301f, +0.1988673273f, - +0.3326528346f, +0.9997730178f, -0.9997730178f, -0.3326528346f, - -0.1988673273f, -0.1412745301f, -0.1090816773f, -0.0884368322f, - -0.0740128560f, -0.0633242001f, -0.0550553725f, -0.0484451086f, - -0.0430224431f, -0.0384804823f, -0.0346107648f, -0.0312667947f, - -0.0283426636f, -0.0257599469f, -0.0234593652f, -0.0213953037f, - -0.0195321089f, -0.0178415242f, -0.0163008758f, -0.0148917649f, - -0.0135991079f, -0.0124104218f, -0.0113152847f, -0.0103049226f, - -0.0093718901f, -0.0085098208f, -0.0077132300f, -0.0069773575f, - -0.0062980419f, -0.0056716186f, -0.0050948365f, -0.0045647903f, - -0.0040788644f, -0.0036346867f, -0.0032300896f, -0.0028630784f, - -0.0025318040f, -0.0022345404f, -0.0019696659f, -0.0017356466f, - -0.0015310235f, -0.0013544008f, -0.0012044365f, -0.0010798341f, - -0.0009793364f, -0.0009017196f, -0.0008457886f, -0.0008103736f, -}; - -static float f_clamp(float x, float a, float b) -{ - const float x1 = fabs(x - a); - const float x2 = fabs(x - b); - - x = x1 + a + b; - x -= x2; - x *= 0.5; - - return x; -} - -// Round float to int using IEEE int* hack -static int f_round(float f) { - f += (3<<22); - return *((int*)&f) - 0x4b400000; -} - -// Cubic interpolation function -static float cube_interp(const float fr, const float inm1, const float - in, const float inp1, const float inp2) -{ - return in + 0.5f * fr * (inp1 - inm1 + - fr * (4.0f * inp1 + 2.0f * inm1 - 5.0f * in - inp2 + - fr * (3.0f * (in - inp1) - inm1 + inp2))); -} - -static t_int *freqshift_tilde_perform(t_int *w) -{ - t_freqshift_tilde *x = (t_freqshift_tilde *)(w[1]); - t_float *in = (t_float *)(w[2]); - t_float *out1 = (t_float *)(w[3]); - t_float *out2 = (t_float *)(w[4]); - int n = (int)(w[5]); - float f, hilb, rm1, rm2, frac_p; - float shift_i = x->x_last_shift; - float sample_count = sys_getblksize(); - unsigned int i; - int int_p; - const float shift_c = f_clamp(x->x_shift, 0.0f, 10000.0f); - const float shift_inc = (shift_c - x->x_last_shift) / (float)sample_count; - const float freq_fix = (float)SIN_T_SIZE / x->x_fs; - while (n--) - { - f = *in++; - x->x_delay[x->x_dptr] = f; - /* Perform the Hilbert FIR convolution - * (probably FFT would be faster) */ - hilb = 0.0f; - for (i = 0; i <= NZEROS/2; i++) { - hilb += (xcoeffs[i] * x->x_delay[(x->x_dptr - i*2) & (D_SIZE - 1)]); - } - - /* Calcuate the table positions for the sine modulator */ - int_p = f_round(floor(x->x_phi)); - - /* Calculate ringmod1, the transformed input modulated with a shift Hz - * sinewave. This creates a +180 degree sideband at source-shift Hz and - * a 0 degree sindeband at source+shift Hz */ - frac_p = x->x_phi - int_p; - rm1 = hilb * cube_interp(frac_p, x->x_sint[int_p], x->x_sint[int_p+1], - x->x_sint[int_p+2], x->x_sint[int_p+3]); - - /* Calcuate the table positions for the cosine modulator */ - int_p = (int_p + SIN_T_SIZE / 4) & (SIN_T_SIZE - 1); - - /* Calculate ringmod2, the delayed input modulated with a shift Hz - * cosinewave. This creates a 0 degree sideband at source+shift Hz - * and a -180 degree sindeband at source-shift Hz */ - rm2 = x->x_delay[(x->x_dptr - 100) & (D_SIZE - 1)] * cube_interp(frac_p, - x->x_sint[int_p], x->x_sint[int_p+1], x->x_sint[int_p+2], x->x_sint[int_p+3]); - - /* Output the sum and differences of the ringmods. The +/-180 degree - * sidebands cancel (more of less) and just leave the shifted - * components */ - *out1++ = (rm2 - rm1) * 0.5f; /*downshifting*/ - *out2++ = (rm2 + rm1) * 0.5f; /*upshifting*/ - - x->x_dptr = (x->x_dptr + 1) & (D_SIZE - 1); - x->x_phi += shift_i * freq_fix; - while (x->x_phi > SIN_T_SIZE) { - x->x_phi -= SIN_T_SIZE; - } - shift_i += shift_inc; - } - return (w+6); -} - -static void freqshift_tilde_dsp(t_freqshift_tilde *x, t_signal **sp) -{ - dsp_add(freqshift_tilde_perform, 5, x, sp[0]->s_vec, sp[1]->s_vec, sp[2]->s_vec, sp[0]->s_n); -} - -static void freqshift_tilde_free(t_freqshift_tilde *x) -{ - if(x->x_delay) - freebytes(x->x_delay, D_SIZE * sizeof(float)); - if(x->x_sint) - freebytes(x->x_sint, SIN_T_SIZE + 4 * sizeof(float)); -} - -void freqshift_tilde_setup(void) -{ - freqshift_tilde_class = class_new(gensym("freqshift~"), (t_newmethod)freqshift_tilde_new, (t_method)freqshift_tilde_free, - sizeof(t_freqshift_tilde), 0, A_DEFFLOAT, 0); - CLASS_MAINSIGNALIN(freqshift_tilde_class, t_freqshift_tilde, x_f); - class_addmethod(freqshift_tilde_class, (t_method)freqshift_tilde_dsp, gensym("dsp"), 0); -} diff --git a/source/harmgen~.c b/source/harmgen~.c deleted file mode 100644 index aea31e1..0000000 --- a/source/harmgen~.c +++ /dev/null @@ -1,161 +0,0 @@ -/* sIgpAck - * for - * pure-data - * www.weiss-archiv.de */ - -#include "m_pd.h" -#include -#ifdef _MSC_VER -#pragma warning( disable : 4244 ) -#pragma warning( disable : 4305 ) -#endif -#define HARMONICS 11 - -// ------------------------ harmgen~ ----------------------------- -// harmonic generator -// code from swh_plugins by steve harris www.plugins.org.uk - -static t_class *harmgen_tilde_class; - -typedef struct _harmgen_tilde -{ - t_object x_obj; - t_sample x_mag1; - t_sample x_mag2; - t_sample x_mag3; - t_sample x_mag4; - t_sample x_mag5; - t_sample x_mag6; - t_sample x_mag7; - t_sample x_mag8; - t_sample x_mag9; - t_sample x_mag10; - float x_itm; - float x_otm; - float x_f; -} t_harmgen_tilde; - -static void *harmgen_tilde_new(t_floatarg mag1, t_floatarg mag2, t_floatarg mag3, t_floatarg mag4, t_floatarg mag5, t_floatarg mag6, t_floatarg mag7, t_floatarg mag8, t_floatarg mag9, t_floatarg mag10) -{ - t_harmgen_tilde *x = (t_harmgen_tilde *)pd_new(harmgen_tilde_class); - outlet_new(&x->x_obj, gensym("signal")); - floatinlet_new(&x->x_obj, &x->x_mag1); - floatinlet_new(&x->x_obj, &x->x_mag2); - floatinlet_new(&x->x_obj, &x->x_mag3); - floatinlet_new(&x->x_obj, &x->x_mag4); - floatinlet_new(&x->x_obj, &x->x_mag5); - floatinlet_new(&x->x_obj, &x->x_mag6); - floatinlet_new(&x->x_obj, &x->x_mag7); - floatinlet_new(&x->x_obj, &x->x_mag8); - floatinlet_new(&x->x_obj, &x->x_mag9); - floatinlet_new(&x->x_obj, &x->x_mag10); - x->x_f = 0; - if(mag1) x->x_mag1 = mag1; - else x->x_mag1 = 1; - if(mag2) x->x_mag2 = mag2; - else x->x_mag2 = 1; - if(mag3) x->x_mag3 = mag3; - else x->x_mag3 = 1; - if(mag4) x->x_mag4 = mag4; - else x->x_mag4 = 1; - if(mag5) x->x_mag5 = mag5; - else x->x_mag5 = 1; - if(mag6) x->x_mag6 = mag6; - else x->x_mag6 = 1; - if(mag7) x->x_mag7 = mag7; - else x->x_mag7 = 1; - if(mag8) x->x_mag8 = mag8; - else x->x_mag8 = 1; - if(mag9) x->x_mag9 = mag9; - else x->x_mag9 = 1; - if(mag10) x->x_mag10 = mag10; - else x->x_mag10 = 1; - return (x); -} - -/* Calculate Chebychev coefficents from partial magnitudes, adapted from - * example in Num. Rec. */ -void chebpc(float c[], float d[]) -{ - int k, j; - float sv, dd[HARMONICS]; - - for (j = 0; j < HARMONICS; j++) { - d[j] = dd[j] = 0.0; - } - - d[0] = c[HARMONICS - 1]; - - for (j = HARMONICS - 2; j >= 1; j--) { - for (k = HARMONICS - j; k >= 1; k--) { - sv = d[k]; - d[k] = 2.0 * d[k - 1] - dd[k]; - dd[k] = sv; - } - sv = d[0]; - d[0] = -dd[0] + c[j]; - dd[0] = sv; - } - - for (j = HARMONICS - 1; j >= 1; j--) { - d[j] = d[j - 1] - dd[j]; - } - d[0] = -dd[0] + 0.5 * c[0]; -} - -static t_int *harmgen_tilde_perform(t_int *w) -{ - t_harmgen_tilde *x = (t_harmgen_tilde *)(w[1]); - t_float *in1 = (t_float *)(w[2]); - t_float *out = (t_float *)(w[3]); - int n = (int)(w[4]); - unsigned long i; - float mag_fix, y, f, value; - float mag[HARMONICS] = {0.0f, x->x_mag1, x->x_mag2, x->x_mag3, x->x_mag4, x->x_mag5, x->x_mag6, - x->x_mag7, x->x_mag8, x->x_mag9, x->x_mag10}; - float p[HARMONICS]; - - // Normalise magnitudes - mag_fix = (fabs(x->x_mag1) + fabs(x->x_mag2) + fabs(x->x_mag3) + fabs(x->x_mag4) + - fabs(x->x_mag5) + fabs(x->x_mag6) + fabs(x->x_mag7) + fabs(x->x_mag8) + - fabs(x->x_mag9) + fabs(x->x_mag10)); - if (mag_fix < 1.0f) { - mag_fix = 1.0f; - } else { - mag_fix = 1.0f / mag_fix; - } - for (i=0; ix_otm = 0.999f * x->x_otm + y - x->x_itm; - x->x_itm = y; - *out++ = x->x_otm; - } - return (w+5); -} - -static void harmgen_tilde_dsp(t_harmgen_tilde *x, t_signal **sp) -{ - dsp_add(harmgen_tilde_perform, 4, x, sp[0]->s_vec, sp[1]->s_vec, sp[0]->s_n); -} - -void harmgen_tilde_setup(void) -{ - harmgen_tilde_class = class_new(gensym("harmgen~"), (t_newmethod)harmgen_tilde_new, 0, - sizeof(t_harmgen_tilde), 0, A_GIMME, 0); - CLASS_MAINSIGNALIN(harmgen_tilde_class, t_harmgen_tilde, x_f); - class_addmethod(harmgen_tilde_class, (t_method)harmgen_tilde_dsp, gensym("dsp"), 0); -} diff --git a/source/rectify~.c b/source/rectify~.c deleted file mode 100644 index 4e5c3eb..0000000 --- a/source/rectify~.c +++ /dev/null @@ -1,61 +0,0 @@ -/* sIgpAck - * for - * pure-data - * www.weiss-archiv.de */ - -#include "m_pd.h" -#ifdef _MSC_VER -#pragma warning( disable : 4244 ) -#pragma warning( disable : 4305 ) -#endif - -/* ------------------------ rectify~ ----------------------------- */ -/* flips negative signal values to positive */ - -static t_class *rectify_tilde_class; - -typedef struct _rectify_tilde -{ - t_object x_obj; - float x_f; -} t_rectify_tilde; - -static void *rectify_tilde_new(void) -{ - t_rectify_tilde *x = (t_rectify_tilde *)pd_new(rectify_tilde_class); - outlet_new(&x->x_obj, gensym("signal")); - x->x_f = 0; - return (x); -} - -static t_int *rectify_tilde_perform(t_int *w) -{ - t_rectify_tilde *x = (t_rectify_tilde *)(w[1]); - t_float *in = (t_float *)(w[2]); - t_float *out = (t_float *)(w[3]); - int n = (int)(w[4]); - float f, value; - while (n--) - { - f = *in++; - if (f < 0) - value = f * -1; - else - value = f; - *out++ = value; - } - return (w+5); -} - -static void rectify_tilde_dsp(t_rectify_tilde *x, t_signal **sp) -{ - dsp_add(rectify_tilde_perform, 4, x, sp[0]->s_vec, sp[1]->s_vec, sp[0]->s_n); -} - -void rectify_tilde_setup(void) -{ - rectify_tilde_class = class_new(gensym("rectify~"), (t_newmethod)rectify_tilde_new, 0, - sizeof(t_rectify_tilde), 0, A_DEFFLOAT, 0); - CLASS_MAINSIGNALIN(rectify_tilde_class, t_rectify_tilde, x_f); - class_addmethod(rectify_tilde_class, (t_method)rectify_tilde_dsp, gensym("dsp"), 0); -} diff --git a/source/round~.c b/source/round~.c deleted file mode 100644 index 2edd047..0000000 --- a/source/round~.c +++ /dev/null @@ -1,64 +0,0 @@ -/* sIgpAck - * for - * pure-data - * www.weiss-archiv.de */ - -#include "m_pd.h" -#ifdef _MSC_VER -#pragma warning( disable : 4244 ) -#pragma warning( disable : 4305 ) -#endif - -/* ------------------------ round~ ----------------------------- */ -/* simple rounder */ - -static t_class *round_tilde_class; - -typedef struct _round_tilde -{ - t_object x_obj; - t_sample x_coarse; - float x_f; -} t_round_tilde; - -static void *round_tilde_new(t_floatarg coarse) -{ - t_round_tilde *x = (t_round_tilde *)pd_new(round_tilde_class); - x->x_coarse = coarse; - outlet_new(&x->x_obj, gensym("signal")); - floatinlet_new(&x->x_obj, &x->x_coarse); - x->x_f = 0; - if(coarse) x->x_coarse = coarse; - else x->x_coarse = 1; - return (x); -} - -static t_int *round_tilde_perform(t_int *w) -{ - t_round_tilde *x = (t_round_tilde *)(w[1]); - t_float *in = (t_float *)(w[2]); - t_float *out = (t_float *)(w[3]); - int n = (int)(w[4]); - float f, mult, value; - while (n--) - { - f = *in++; - mult = f * x->x_coarse; - value = (int)mult / x->x_coarse; - *out++ = value; - } - return (w+5); -} - -static void round_tilde_dsp(t_round_tilde *x, t_signal **sp) -{ - dsp_add(round_tilde_perform, 4, x, sp[0]->s_vec, sp[1]->s_vec, sp[0]->s_n); -} - -void round_tilde_setup(void) -{ - round_tilde_class = class_new(gensym("round~"), (t_newmethod)round_tilde_new, 0, - sizeof(t_round_tilde), 0, A_DEFFLOAT, 0); - CLASS_MAINSIGNALIN(round_tilde_class, t_round_tilde, x_f); - class_addmethod(round_tilde_class, (t_method)round_tilde_dsp, gensym("dsp"), 0); -} diff --git a/source/sIgpAck.c b/source/sIgpAck.c deleted file mode 100644 index e666e75..0000000 --- a/source/sIgpAck.c +++ /dev/null @@ -1,58 +0,0 @@ -#ifndef VERSION -#define VERSION "0.03" -#endif - -#include - - -typedef struct _sigpack -{ - t_object x_obj; -} t_sigpack; - -static t_class* sigpack_class; - -void chop_tilde_setup(); -void decimate_tilde_setup(); -void diode_tilde_setup(); -void foldback_tilde_setup(); -void foldover_tilde_setup(); -void freqdiv_tilde_setup(); -void freqshift_tilde_setup(); -void harmgen_tilde_setup(); -void rectify_tilde_setup(); -void round_tilde_setup(); -void saturate_tilde_setup(); -void sieve_tilde_setup(); -void split_tilde_setup(); -void ustep_tilde_setup(); -void vowel_tilde_setup(); - -static void* sigpack_new(t_symbol* s) { - t_sigpack *x = (t_sigpack *)pd_new(sigpack_class); - return (x); -} - -void sigpack_setup(void) -{ - sigpack_class = class_new(gensym("sIgpAck"), (t_newmethod)sigpack_new, 0, - sizeof(t_sigpack), 0,0); - - chop_tilde_setup(); - decimate_tilde_setup(); - diode_tilde_setup(); - foldback_tilde_setup(); - foldover_tilde_setup(); - freqdiv_tilde_setup(); - freqshift_tilde_setup(); - harmgen_tilde_setup(); - rectify_tilde_setup(); - round_tilde_setup(); - saturate_tilde_setup(); - sieve_tilde_setup(); - split_tilde_setup(); - ustep_tilde_setup(); - vowel_tilde_setup(); - - post("sIgpAck"" "VERSION " weiss www.weiss-archiv.de"); -} diff --git a/source/saturate~.c b/source/saturate~.c deleted file mode 100644 index 9438e8e..0000000 --- a/source/saturate~.c +++ /dev/null @@ -1,83 +0,0 @@ -/* sIgpAck - * for - * pure-data - * www.weiss-archiv.de */ - -#include "m_pd.h" -#include -#ifdef _MSC_VER -#pragma warning( disable : 4244 ) -#pragma warning( disable : 4305 ) -#endif - -/* ------------------------ saturate~ ----------------------------- */ -/* signal soft saturation */ -/* code from www.musicdsp.org posted by bram de jong */ - -static t_class *saturate_tilde_class; - -typedef struct _saturate_tilde -{ - t_object x_obj; - t_sample x_thresh; - float x_f; -} t_saturate_tilde; - -static void *saturate_tilde_new(t_floatarg thresh) -{ - t_saturate_tilde *x = (t_saturate_tilde *)pd_new(saturate_tilde_class); - x->x_thresh = thresh; - outlet_new(&x->x_obj, gensym("signal")); - floatinlet_new(&x->x_obj, &x->x_thresh); - x->x_f = 0; - if(thresh) x->x_thresh = thresh; - else x->x_thresh = 1.; - return (x); -} - -static float sigmoid(float x) -{ - if(fabs(x) < 1) - return x * (1.5f - 0.5f * x * x); - else - return x > 0.f ? 1.f : -1.f; -} - -static t_int *saturate_tilde_perform(t_int *w) -{ - t_saturate_tilde *x = (t_saturate_tilde *)(w[1]); - t_float *in = (t_float *)(w[2]); - t_float *out = (t_float *)(w[3]); - int n = (int)(w[4]); - float f, value; - float t = x->x_thresh; - while (n--) - { - f = *in++; - if(fabs(f) < t) - value = f; - else - { - if(f > 0.f) - value = t + (1.f - t) * sigmoid((f - t)/((1 - t) * 1.5f)); - else - value = -(t + (1.f - t) * sigmoid((-f - t)/((1 - t) * 1.5f))); - } - *out++ = value; - } - return (w+5); -} - -static void saturate_tilde_dsp(t_saturate_tilde *x, t_signal **sp) -{ - dsp_add(saturate_tilde_perform, 4, x, sp[0]->s_vec, sp[1]->s_vec, sp[0]->s_n); -} - -void saturate_tilde_setup(void) -{ - saturate_tilde_class = class_new(gensym("saturate~"), (t_newmethod)saturate_tilde_new, 0, - sizeof(t_saturate_tilde), 0, A_DEFFLOAT, 0); - CLASS_MAINSIGNALIN(saturate_tilde_class, t_saturate_tilde, x_f); - class_addmethod(saturate_tilde_class, (t_method)saturate_tilde_dsp, gensym("dsp"), 0); - class_addmethod(saturate_tilde_class, (t_method)saturate_tilde_dsp, gensym("sigmoid"), A_FLOAT, 0); -} diff --git a/source/sieve~.c b/source/sieve~.c deleted file mode 100644 index 293d4e2..0000000 --- a/source/sieve~.c +++ /dev/null @@ -1,105 +0,0 @@ -/* sIgpAck - * for - * pure-data - * www.weiss-archiv.de */ - -#include "m_pd.h" -#ifdef _MSC_VER -#pragma warning( disable : 4244 ) -#pragma warning( disable : 4305 ) -#endif - -/* ------------------------ sieve~ ----------------------------- */ -/* sift samples */ - -static t_class *sieve_tilde_class; - -typedef struct _sieve_tilde -{ - t_object x_obj; - t_sample x_mode; - t_sample x_sample; - t_sample x_last; - float x_f; -} t_sieve_tilde; - -static void *sieve_tilde_new(t_floatarg mode, t_floatarg sample) -{ - t_sieve_tilde *x = (t_sieve_tilde *)pd_new(sieve_tilde_class); - x->x_mode = mode; - x->x_sample = sample; - outlet_new(&x->x_obj, gensym("signal")); - floatinlet_new(&x->x_obj, &x->x_mode); - floatinlet_new(&x->x_obj, &x->x_sample); - x->x_last = 0; - x->x_f = 0; - x->x_mode = 0; - - if(mode) x->x_mode = mode; - if(x->x_mode > 1) x->x_mode = 1; - if(x->x_mode < 0) x->x_mode = 0; - return (x); -} - -static float round(float in) -{ - float y, round; - int temp; - { - round = in * 10; - temp = round; - y = temp * 0.1; - } - return y; -} - -static t_int *sieve_tilde_perform(t_int *w) -{ - t_sieve_tilde *x = (t_sieve_tilde *)(w[1]); - t_float *in = (t_float *)(w[2]); - t_float *out = (t_float *)(w[3]); - int n = (int)(w[4]); - float f; - int mode = x->x_mode; - while (n--) - { - f = *in++; - switch(mode){ - case(0): - if (round(f) != round(x->x_sample)) - { - *out++ = f; - x->x_last = f; - } - else - { - *out++ = x->x_last; - } - break; - case(1): - if (round(f) == round(x->x_sample)) - { - *out++ = f; - x->x_last = f; - } - else - { - *out++ = x->x_last; - } - } - } - return (w+5); -} - -static void sieve_tilde_dsp(t_sieve_tilde *x, t_signal **sp) -{ - dsp_add(sieve_tilde_perform, 4, x, sp[0]->s_vec, sp[1]->s_vec, sp[0]->s_n); -} - -void sieve_tilde_setup(void) -{ - sieve_tilde_class = class_new(gensym("sieve~"), (t_newmethod)sieve_tilde_new, 0, - sizeof(t_sieve_tilde), 0, A_DEFFLOAT, A_DEFFLOAT, 0); - CLASS_MAINSIGNALIN(sieve_tilde_class, t_sieve_tilde, x_f); - class_addmethod(sieve_tilde_class, (t_method)sieve_tilde_dsp, gensym("dsp"), 0); -} diff --git a/source/split~.c b/source/split~.c deleted file mode 100644 index 49b8d82..0000000 --- a/source/split~.c +++ /dev/null @@ -1,72 +0,0 @@ -/* sIgpAck - * for - * pure-data - * www.weiss-archiv.de */ - -#include "m_pd.h" -#ifdef _MSC_VER -#pragma warning( disable : 4244 ) -#pragma warning( disable : 4305 ) -#endif - -/* ------------------------ split~ ----------------------------- */ -/* signal splitter */ - -static t_class *split_tilde_class; - -typedef struct _split_tilde -{ - t_object x_obj; - float x_f; - t_sample x_thres; -} t_split_tilde; - -static void *split_tilde_new(t_floatarg thres) -{ - t_split_tilde *x = (t_split_tilde *)pd_new(split_tilde_class); - x->x_thres = thres; - outlet_new(&x->x_obj, gensym("signal")); - outlet_new(&x->x_obj, gensym("signal")); - floatinlet_new(&x->x_obj, &x->x_thres); - x->x_f = 0; - if(thres) x->x_thres = thres; - else x->x_thres = 0; - return (x); -} - -static t_int *split_tilde_perform(t_int *w) -{ - t_split_tilde *x = (t_split_tilde *)(w[1]); - t_float *in = (t_float *)(w[2]); - t_float *out1 = (t_float *)(w[3]); - t_float *out2 = (t_float *)(w[4]); - int n = (int)(w[5]); - while (n--) - { - float f = *in++; - if(f < x->x_thres) - { - *out1++ = f; - *out2++ = 0; - } - else if(f >= x->x_thres) - { - *out1++ = 0; - *out2++ = f; - } - } - return (w+6); -} - -static void split_tilde_dsp(t_split_tilde *x, t_signal **sp) -{ - dsp_add(split_tilde_perform, 5, x, sp[0]->s_vec, sp[1]->s_vec, sp[2]->s_vec, sp[0]->s_n); -} - -void split_tilde_setup(void) -{ - split_tilde_class = class_new(gensym("split~"), (t_newmethod)split_tilde_new, 0, - sizeof(t_split_tilde), 0, A_DEFFLOAT, 0); - CLASS_MAINSIGNALIN(split_tilde_class, t_split_tilde, x_f); - class_addmethod(split_tilde_class, (t_method)split_tilde_dsp, gensym("dsp"), 0); -} diff --git a/source/ustep~.c b/source/ustep~.c deleted file mode 100644 index b7ea923..0000000 --- a/source/ustep~.c +++ /dev/null @@ -1,83 +0,0 @@ -/* sIgpAck - * for - * pure-data - * www.weiss-archiv.de */ - -#include "m_pd.h" -#ifdef _MSC_VER -#pragma warning( disable : 4244 ) -#pragma warning( disable : 4305 ) -#endif - -/* ------------------------ ustep~ ----------------------------- */ -/* signal unity step function */ - -static t_class *ustep_tilde_class; - -typedef struct _ustep_tilde -{ - t_object x_obj; - t_sample x_mode; - t_sample x_thres; - float x_f; -} t_ustep_tilde; - -static void *ustep_tilde_new(t_floatarg mode, t_floatarg thres) -{ - t_ustep_tilde *x = (t_ustep_tilde *)pd_new(ustep_tilde_class); - x->x_mode = mode; - x->x_thres = thres; - outlet_new(&x->x_obj, gensym("signal")); - floatinlet_new(&x->x_obj, &x->x_mode); - floatinlet_new(&x->x_obj, &x->x_thres); - x->x_f = 0; - if(mode) x->x_mode = mode; - else x->x_mode = 0; - if(x->x_mode > 1) x->x_mode = 1; - if(x->x_mode < 0) x->x_mode = 0; - if(thres) x->x_thres = thres; - else x->x_thres = 0.5; - return (x); -} - -static t_int *ustep_tilde_perform(t_int *w) -{ - t_ustep_tilde *x = (t_ustep_tilde *)(w[1]); - t_float *in = (t_float *)(w[2]); - t_float *out = (t_float *)(w[3]); - int n = (int)(w[4]); - float f, value; - int mode = x->x_mode; - while (n--) - { - f = *in++; - switch(mode){ - case(0): - if (f >= x->x_thres) - value = 1; - else - value = 0; - break; - case(1): - if (f >= x->x_thres) - value = 1; - else - value = f; - } - *out++ = value; - } - return (w+5); -} - -static void ustep_tilde_dsp(t_ustep_tilde *x, t_signal **sp) -{ - dsp_add(ustep_tilde_perform, 4, x, sp[0]->s_vec, sp[1]->s_vec, sp[0]->s_n); -} - -void ustep_tilde_setup(void) -{ - ustep_tilde_class = class_new(gensym("ustep~"), (t_newmethod)ustep_tilde_new, 0, - sizeof(t_ustep_tilde), 0, A_DEFFLOAT, A_DEFFLOAT, 0); - CLASS_MAINSIGNALIN(ustep_tilde_class, t_ustep_tilde, x_f); - class_addmethod(ustep_tilde_class, (t_method)ustep_tilde_dsp, gensym("dsp"), 0); -} diff --git a/source/vowel~.c b/source/vowel~.c deleted file mode 100644 index 87b8e39..0000000 --- a/source/vowel~.c +++ /dev/null @@ -1,118 +0,0 @@ -/* sIgpAck - * for - * pure-data - * www.weiss-archiv.de */ - -#include "m_pd.h" -#ifdef _MSC_VER -#pragma warning( disable : 4244 ) -#pragma warning( disable : 4305 ) -#endif - -/* ------------------------ vowel~ ----------------------------- */ -/* simple formant filter */ -/* code from musicdsp.org posted by alex@smartelectronix.com */ - -static t_class *vowel_tilde_class; - -typedef struct _vowel_tilde -{ - t_object x_obj; - t_sample x_vowelnum; - float x_f; -} t_vowel_tilde; - -static void *vowel_tilde_new(t_floatarg vowelnum) -{ - t_vowel_tilde *x = (t_vowel_tilde *)pd_new(vowel_tilde_class); - x->x_vowelnum = vowelnum; - outlet_new(&x->x_obj, gensym("signal")); - floatinlet_new(&x->x_obj, &x->x_vowelnum); - x->x_f = 0; - if(vowelnum) x->x_vowelnum = vowelnum; - else x->x_vowelnum = 0; - return (x); -} - -const double coeff[5][11]= { - { 8.11044e-06, - 8.943665402, -36.83889529, 92.01697887, -154.337906, 181.6233289, - -151.8651235, 89.09614114, -35.10298511, 8.388101016, -0.923313471 ///A - }, - { 4.36215e-06, - 8.90438318, -36.55179099, 91.05750846, -152.422234, 179.1170248, ///E - -149.6496211,87.78352223, -34.60687431, 8.282228154, -0.914150747 - }, - { 3.33819e-06, - 8.893102966, -36.49532826, 90.96543286, -152.4545478, 179.4835618, - -150.315433, 88.43409371, -34.98612086, 8.407803364, -0.932568035 ///I - }, - { 1.13572e-06, - 8.994734087, -37.2084849, 93.22900521, -156.6929844, 184.596544, ///O - -154.3755513, 90.49663749, -35.58964535, 8.478996281, -0.929252233 - }, - { 4.09431e-07, - 8.997322763, -37.20218544, 93.11385476, -156.2530937, 183.7080141, ///U - -153.2631681, 89.59539726, -35.12454591, 8.338655623, -0.910251753 - } -}; - -static double memory[10] = {0,0,0,0,0,0,0,0,0,0}; - -float formant_filter (float in, int vowelnum) -{ - float res; - res= (float) (coeff[vowelnum][0]*in + - coeff[vowelnum][1]*memory[0] + - coeff[vowelnum][2]*memory[1] + - coeff[vowelnum][3]*memory[2] + - coeff[vowelnum][4]*memory[3] + - coeff[vowelnum][5]*memory[4] + - coeff[vowelnum][6]*memory[5] + - coeff[vowelnum][7]*memory[6] + - coeff[vowelnum][8]*memory[7] + - coeff[vowelnum][9]*memory[8] + - coeff[vowelnum][10]*memory[9]); - - memory[9]=memory[8]; - memory[8]=memory[7]; - memory[7]=memory[6]; - memory[6]=memory[5]; - memory[5]=memory[4]; - memory[4]=memory[3]; - memory[3]=memory[2]; - memory[2]=memory[1]; - memory[1]=memory[0]; - memory[0]=(double)res; - return res; -} - -static t_int *vowel_tilde_perform(t_int *w) -{ - t_vowel_tilde *x = (t_vowel_tilde *)(w[1]); - t_float *in = (t_float *)(w[2]); - t_float *out = (t_float *)(w[3]); - int n = (int)(w[4]); - float f, value; - while (n--) - { - f = *in++; - value = formant_filter(f, (int)x->x_vowelnum); - *out++ = value; - } - return (w+5); -} - -static void vowel_tilde_dsp(t_vowel_tilde *x, t_signal **sp) -{ - dsp_add(vowel_tilde_perform, 4, x, sp[0]->s_vec, sp[1]->s_vec, sp[0]->s_n); -} - -void vowel_tilde_setup(void) -{ - vowel_tilde_class = class_new(gensym("vowel~"), (t_newmethod)vowel_tilde_new, 0, - sizeof(t_vowel_tilde), 0, A_DEFFLOAT, 0); - CLASS_MAINSIGNALIN(vowel_tilde_class, t_vowel_tilde, x_f); - class_addmethod(vowel_tilde_class, (t_method)vowel_tilde_dsp, gensym("dsp"), 0); - class_addmethod(vowel_tilde_class, (t_method)formant_filter, gensym("formant_filter"), A_GIMME, A_NULL); -} -- cgit v1.2.1