diff options
author | Hans-Christoph Steiner <eighthave@users.sourceforge.net> | 2005-11-14 21:59:09 +0000 |
---|---|---|
committer | Hans-Christoph Steiner <eighthave@users.sourceforge.net> | 2005-11-14 21:59:09 +0000 |
commit | c1419b43ea354fa04360450ae4f64612df065099 (patch) | |
tree | 8c38d7338e9df7e889a18dceeedb3509adbbf423 /experimental | |
parent | 76be9508936fa53fe661d378ee2fc41cc9baebf3 (diff) |
these pragmas are only used for MSVC, not MinGW or Cygwin, therefore changing the define from NT to _MSC_VER
svn path=/trunk/externals/ggee/; revision=3903
Diffstat (limited to 'experimental')
-rwxr-xr-x | experimental/fofsynth~.c | 708 | ||||
-rwxr-xr-x | experimental/pvocfreq.c | 228 |
2 files changed, 468 insertions, 468 deletions
diff --git a/experimental/fofsynth~.c b/experimental/fofsynth~.c index 53df270..5a9de5b 100755 --- a/experimental/fofsynth~.c +++ b/experimental/fofsynth~.c @@ -1,354 +1,354 @@ -/* (C) Guenter Geiger <geiger@epy.co.at> */
-
-
-#include <m_pd.h>
-#include <math.h>
-#ifdef NT
-#pragma warning( disable : 4244 )
-#pragma warning( disable : 4305 )
-#endif
-
-/* ------------------------ fofsynth~ ----------------------------- */
-
-#ifndef NT
-void garray_usedindsp(t_garray *x);
-#endif
-
-#define DEBUG(a,b) if (x->debug) post(a,b);
-
-#define MAXGRAINS 1000
-#define PD_PI 3.14159
-
-static float* cos_table;
-static float* halfcos_table;
-static float* exp_table;
-
-static void cos_maketable(void)
-{
- int i;
- float *fp, phase, phsinc = (2. * PD_PI) / COSTABSIZE;
-
- if (cos_table) return;
- cos_table = (float *)getbytes(sizeof(float) * (COSTABSIZE+1));
-
- for (i = COSTABSIZE + 1, fp = cos_table, phase = 0; i--;
- fp++, phase += phsinc)
- *fp = cos(phase);
-
-}
-
-static void halfcos_maketable(void)
-{
- int i;
- float *fp, phase, phsinc = (PD_PI) / COSTABSIZE;
-
- if (halfcos_table) return;
- halfcos_table = (float *)getbytes(sizeof(float) * (COSTABSIZE+1));
-
- for (i = COSTABSIZE + 1, fp = halfcos_table, phase = PD_PI; i--;
- fp++, phase += phsinc)
- *fp = 0.5*(cos(phase) + 1.0);
-}
-
-
-static void exp_maketable(void)
-{
- int i;
- float *fp, phase, phsinc = (2 * PD_PI) / COSTABSIZE;
-
- if (exp_table) return;
- exp_table = (float *)getbytes(sizeof(float) * (COSTABSIZE+1));
-
- for (i = COSTABSIZE + 1, fp = exp_table, phase = 0; i--;
- fp++, phase += phsinc)
- *fp = exp(-phase);
-}
-
-
-static t_class *fofsynth_class;
-
-typedef struct _grain
-{
- struct _grain *next;
- t_float formph; /* 0 ... 1 */
- t_float formphinc;
- t_float envph;
- int falling;
-} t_grain;
-
-
-typedef struct _fofsynth
-{
- t_object x_obj;
-
- /* it is possible to use 2 array, prob change this one
- int the future */
-
- t_symbol* x_arrayname;
-
- /* template */
-
- int x_npoints;
- t_float *x_vec;
-
- /* fof */
- int debug;
-
- int maxgrains;
- int numgrains;
-
- float* x_envelope;
-
- /* the queue of grains */
-
- t_grain* grainbase;
- t_grain* grainstart;
- t_grain* grainend;
-
-
- t_float fundph; /* 0 to 1; if 1 -> add a new grain */
-
- t_float fundfreq; /* input parameter 1 */
- t_float formfreq; /* input paramter 2 */
- t_float risedur; /* input parameter 3 ( in % of total duration )*/
- t_float falldur; /* input parameter 5 ( in % of total duration */
-
- /* other */
- int neednewgrain;
-} t_fofsynth;
-
-
-
-
-/* build a cyclic list */
-static t_grain* grain_makecyclic(t_grain* base,int num)
-{
- t_grain* cur = base;
- while (--num) {
- cur->next = cur+1;
- cur++;
- }
- cur->next = base;
- return base;
-}
-
-
-
-
-
-static t_int *fofsynth_perform(t_int *w)
-{
- t_fofsynth* x = (t_fofsynth*) (w[1]);
- t_float *in = (t_float *)(w[2]);
- t_float *out = (t_float *)(w[3]);
- int n = (int)(w[4]);
-
- float totaldur = (x->risedur+ x->falldur)*0.01/ *in;
-
- float srate = 44100.0; /*((t_signal*)w[2])->s_sr;*/
- float israte = 1.0/srate;
-
- float fundphase = x->fundph;
- float numperiods = totaldur*x->formfreq;
- float formphinc = (x->formfreq/srate);
-
- float risinc;
- float fallinc;
-
- t_grain* cur;
-
- risinc = (x->risedur == 0) ? 1.0 : 1.0/ (srate*totaldur*0.01*x->risedur);
- fallinc = (x->falldur == 0.0) ? 1.0 :1.0/ (srate*totaldur*0.01*x->falldur);
-
- DEBUG(" fundph %3.2f",x->fundph);
- DEBUG(" fundfreq %3.2f",x->fundfreq);
- DEBUG(" formfreq %3.2f",x->formfreq);
- DEBUG(" risedur %3.2f %",x->risedur);
- DEBUG(" falldur %3.2f %",x->falldur);
- DEBUG(" totaldur %3.2f s",totaldur);
- DEBUG(" risinc %0.6f",risinc);
- DEBUG(" fallinc %0.6f",fallinc);
- DEBUG(" formant increase %3.2f",formphinc);
- DEBUG(" numgrains %d",x->numgrains);
-
- while (n--)
- {
- fundphase+=*++in*israte;
- *out = 0.0;
-
- if (x->neednewgrain) { /* new grain, they are deleted separetely */
- t_grain* newgrain = x->grainend;
-/* DEBUG("new grain created",0); */
- if (newgrain->next == x->grainstart) {
- post("fof: grain overflow");
- x->neednewgrain = 0;
- }
- else {
- x->numgrains++;
- x->grainend = newgrain->next;
- newgrain->formphinc = formphinc;
- newgrain->falling = 0;
- newgrain->formph = newgrain->envph = 0.0;
- x->neednewgrain = 0;
- }
- }
-
- cur = x->grainstart;
- while (cur != x->grainend) {
- float formphase = cur->formph;
- float envelope;
-
- float tph = (formphase - (float)((int) formphase));
- float val = *(x->x_vec + (int) (tph * x->x_npoints));
-
- /* Apply the envelope */
-
- if (!cur->falling && (cur->envph <= 1.0)) {
- envelope = *(halfcos_table + (int) (cur->envph * COSTABSIZE));
- cur->envph+=risinc;
- val *= envelope;
- }
- else if (!cur->falling)
- {
- cur->falling = 1;
- cur->envph = 0;
- }
-
-
- if (cur->falling) {
- envelope = *(exp_table + (int) (cur->envph * COSTABSIZE));
- cur->envph+=fallinc;
- val *= envelope;
- }
-
- /* end of envelope code */
-
-
- formphase+=cur->formphinc;
- cur->formph = formphase;
-
- if (formphase >= numperiods) { /* dead */
- DEBUG("grain died",0);
- x->grainstart = cur->next;
- x->numgrains--;/* not needed */
- }
-
- cur = cur->next;
- *out += val;
- }
-
-
- if (fundphase > 1.0) {
- fundphase -= 1.0;
- x->neednewgrain=1;
- }
- out++;
- }
-
- x->fundph=fundphase;
- x->debug = 0;
-
-
- return (w+5);
-}
-
-void fofsynth_usearray(t_symbol* s,int* points,t_float** vec)
-{
- t_garray *a;
- if (!(a = (t_garray *)pd_findbyclass(s, garray_class)))
- error("%s: no such array", s->s_name);
- else if (!garray_getfloatarray(a,points,vec))
- error("%s: bad template for fof~", s->s_name);
- else
- garray_usedindsp(a);
-}
-
-static void fofsynth_dsp(t_fofsynth *x, t_signal **sp)
-{
-
- if (x->x_arrayname)
- fofsynth_usearray(x->x_arrayname,&x->x_npoints, &x->x_vec);
- else {
- x->x_npoints=COSTABSIZE;
- x->x_vec = cos_table;
- }
-
- dsp_add(fofsynth_perform, 4, x,
- sp[0]->s_vec,sp[1]->s_vec, sp[0]->s_n);
-}
-
-
-static void fofsynth_free(t_fofsynth *x)
-{
- freebytes(x->grainbase,sizeof(t_grain)*x->maxgrains);
-}
-
-
-static void fofsynth_debug(t_fofsynth* x)
-{
- x->debug = 1;
-}
-
-
-static void fofsynth_float(t_fofsynth* x,t_float f)
-{
- x->fundfreq = f > 0.0 ? f : -f;
-}
-
-
-static void *fofsynth_new(t_symbol* s,t_float a,t_float b,t_float c,t_float d)
-{
- int maxgrains = MAXGRAINS;
- t_fofsynth *x = (t_fofsynth *)pd_new(fofsynth_class);
-
- x->debug = 0;
- x->x_arrayname = s;
-
- if (s == &s_)
- x->x_arrayname = NULL;
-
- /* setup the grain queue */
-
- x->grainbase = getbytes(sizeof(t_grain)*maxgrains);
- x->maxgrains = maxgrains;
- grain_makecyclic(x->grainbase,maxgrains);
- x->grainstart = x->grainbase;
- x->grainend = x->grainbase;
- x->numgrains = 0;
-
- /* some of them could be signals too */
-
- floatinlet_new(&x->x_obj, &x->formfreq);
- floatinlet_new(&x->x_obj, &x->risedur);
- floatinlet_new(&x->x_obj, &x->falldur);
-
- x->fundph = 0.0;
- x->fundfreq = 200.0;
- x->formfreq = 600.0;
- x->risedur = 5.0;
- x->falldur = 140.0;
-
- if (a) x->fundfreq = a;
- if (b) x->formfreq = b;
- if (c) x->risedur = c;
- if (d) x->falldur = d;
-
- outlet_new(&x->x_obj, &s_signal);
- return (x);
-}
-
-void fofsynth_tilde_setup(void)
-{
- cos_table = NULL;
- halfcos_table = NULL;
- fofsynth_class = class_new(gensym("fof~"), (t_newmethod) fofsynth_new,(t_method) fofsynth_free,
- sizeof(t_fofsynth), 0,A_DEFSYM, A_DEFFLOAT,A_DEFFLOAT,A_DEFFLOAT,A_DEFFLOAT,0);
- class_addcreator((t_newmethod)fofsynth_new,gensym("fofsynth~"),A_DEFSYM, A_DEFFLOAT,A_DEFFLOAT,A_DEFFLOAT,A_DEFFLOAT,0);
- class_addmethod(fofsynth_class, nullfn, gensym("signal"), 0);
- class_addmethod(fofsynth_class, (t_method) fofsynth_dsp, gensym("dsp"), 0);
- class_addfloat(fofsynth_class, (t_method) fofsynth_float);
- class_addmethod(fofsynth_class,(t_method) fofsynth_debug, gensym("debug"),0);
- cos_maketable();
- halfcos_maketable();
- exp_maketable();
-}
+/* (C) Guenter Geiger <geiger@epy.co.at> */ + + +#include <m_pd.h> +#include <math.h> +#ifdef _MSC_VER +#pragma warning( disable : 4244 ) +#pragma warning( disable : 4305 ) +#endif + +/* ------------------------ fofsynth~ ----------------------------- */ + +#ifndef NT +void garray_usedindsp(t_garray *x); +#endif + +#define DEBUG(a,b) if (x->debug) post(a,b); + +#define MAXGRAINS 1000 +#define PD_PI 3.14159 + +static float* cos_table; +static float* halfcos_table; +static float* exp_table; + +static void cos_maketable(void) +{ + int i; + float *fp, phase, phsinc = (2. * PD_PI) / COSTABSIZE; + + if (cos_table) return; + cos_table = (float *)getbytes(sizeof(float) * (COSTABSIZE+1)); + + for (i = COSTABSIZE + 1, fp = cos_table, phase = 0; i--; + fp++, phase += phsinc) + *fp = cos(phase); + +} + +static void halfcos_maketable(void) +{ + int i; + float *fp, phase, phsinc = (PD_PI) / COSTABSIZE; + + if (halfcos_table) return; + halfcos_table = (float *)getbytes(sizeof(float) * (COSTABSIZE+1)); + + for (i = COSTABSIZE + 1, fp = halfcos_table, phase = PD_PI; i--; + fp++, phase += phsinc) + *fp = 0.5*(cos(phase) + 1.0); +} + + +static void exp_maketable(void) +{ + int i; + float *fp, phase, phsinc = (2 * PD_PI) / COSTABSIZE; + + if (exp_table) return; + exp_table = (float *)getbytes(sizeof(float) * (COSTABSIZE+1)); + + for (i = COSTABSIZE + 1, fp = exp_table, phase = 0; i--; + fp++, phase += phsinc) + *fp = exp(-phase); +} + + +static t_class *fofsynth_class; + +typedef struct _grain +{ + struct _grain *next; + t_float formph; /* 0 ... 1 */ + t_float formphinc; + t_float envph; + int falling; +} t_grain; + + +typedef struct _fofsynth +{ + t_object x_obj; + + /* it is possible to use 2 array, prob change this one + int the future */ + + t_symbol* x_arrayname; + + /* template */ + + int x_npoints; + t_float *x_vec; + + /* fof */ + int debug; + + int maxgrains; + int numgrains; + + float* x_envelope; + + /* the queue of grains */ + + t_grain* grainbase; + t_grain* grainstart; + t_grain* grainend; + + + t_float fundph; /* 0 to 1; if 1 -> add a new grain */ + + t_float fundfreq; /* input parameter 1 */ + t_float formfreq; /* input paramter 2 */ + t_float risedur; /* input parameter 3 ( in % of total duration )*/ + t_float falldur; /* input parameter 5 ( in % of total duration */ + + /* other */ + int neednewgrain; +} t_fofsynth; + + + + +/* build a cyclic list */ +static t_grain* grain_makecyclic(t_grain* base,int num) +{ + t_grain* cur = base; + while (--num) { + cur->next = cur+1; + cur++; + } + cur->next = base; + return base; +} + + + + + +static t_int *fofsynth_perform(t_int *w) +{ + t_fofsynth* x = (t_fofsynth*) (w[1]); + t_float *in = (t_float *)(w[2]); + t_float *out = (t_float *)(w[3]); + int n = (int)(w[4]); + + float totaldur = (x->risedur+ x->falldur)*0.01/ *in; + + float srate = 44100.0; /*((t_signal*)w[2])->s_sr;*/ + float israte = 1.0/srate; + + float fundphase = x->fundph; + float numperiods = totaldur*x->formfreq; + float formphinc = (x->formfreq/srate); + + float risinc; + float fallinc; + + t_grain* cur; + + risinc = (x->risedur == 0) ? 1.0 : 1.0/ (srate*totaldur*0.01*x->risedur); + fallinc = (x->falldur == 0.0) ? 1.0 :1.0/ (srate*totaldur*0.01*x->falldur); + + DEBUG(" fundph %3.2f",x->fundph); + DEBUG(" fundfreq %3.2f",x->fundfreq); + DEBUG(" formfreq %3.2f",x->formfreq); + DEBUG(" risedur %3.2f %",x->risedur); + DEBUG(" falldur %3.2f %",x->falldur); + DEBUG(" totaldur %3.2f s",totaldur); + DEBUG(" risinc %0.6f",risinc); + DEBUG(" fallinc %0.6f",fallinc); + DEBUG(" formant increase %3.2f",formphinc); + DEBUG(" numgrains %d",x->numgrains); + + while (n--) + { + fundphase+=*++in*israte; + *out = 0.0; + + if (x->neednewgrain) { /* new grain, they are deleted separetely */ + t_grain* newgrain = x->grainend; +/* DEBUG("new grain created",0); */ + if (newgrain->next == x->grainstart) { + post("fof: grain overflow"); + x->neednewgrain = 0; + } + else { + x->numgrains++; + x->grainend = newgrain->next; + newgrain->formphinc = formphinc; + newgrain->falling = 0; + newgrain->formph = newgrain->envph = 0.0; + x->neednewgrain = 0; + } + } + + cur = x->grainstart; + while (cur != x->grainend) { + float formphase = cur->formph; + float envelope; + + float tph = (formphase - (float)((int) formphase)); + float val = *(x->x_vec + (int) (tph * x->x_npoints)); + + /* Apply the envelope */ + + if (!cur->falling && (cur->envph <= 1.0)) { + envelope = *(halfcos_table + (int) (cur->envph * COSTABSIZE)); + cur->envph+=risinc; + val *= envelope; + } + else if (!cur->falling) + { + cur->falling = 1; + cur->envph = 0; + } + + + if (cur->falling) { + envelope = *(exp_table + (int) (cur->envph * COSTABSIZE)); + cur->envph+=fallinc; + val *= envelope; + } + + /* end of envelope code */ + + + formphase+=cur->formphinc; + cur->formph = formphase; + + if (formphase >= numperiods) { /* dead */ + DEBUG("grain died",0); + x->grainstart = cur->next; + x->numgrains--;/* not needed */ + } + + cur = cur->next; + *out += val; + } + + + if (fundphase > 1.0) { + fundphase -= 1.0; + x->neednewgrain=1; + } + out++; + } + + x->fundph=fundphase; + x->debug = 0; + + + return (w+5); +} + +void fofsynth_usearray(t_symbol* s,int* points,t_float** vec) +{ + t_garray *a; + if (!(a = (t_garray *)pd_findbyclass(s, garray_class))) + error("%s: no such array", s->s_name); + else if (!garray_getfloatarray(a,points,vec)) + error("%s: bad template for fof~", s->s_name); + else + garray_usedindsp(a); +} + +static void fofsynth_dsp(t_fofsynth *x, t_signal **sp) +{ + + if (x->x_arrayname) + fofsynth_usearray(x->x_arrayname,&x->x_npoints, &x->x_vec); + else { + x->x_npoints=COSTABSIZE; + x->x_vec = cos_table; + } + + dsp_add(fofsynth_perform, 4, x, + sp[0]->s_vec,sp[1]->s_vec, sp[0]->s_n); +} + + +static void fofsynth_free(t_fofsynth *x) +{ + freebytes(x->grainbase,sizeof(t_grain)*x->maxgrains); +} + + +static void fofsynth_debug(t_fofsynth* x) +{ + x->debug = 1; +} + + +static void fofsynth_float(t_fofsynth* x,t_float f) +{ + x->fundfreq = f > 0.0 ? f : -f; +} + + +static void *fofsynth_new(t_symbol* s,t_float a,t_float b,t_float c,t_float d) +{ + int maxgrains = MAXGRAINS; + t_fofsynth *x = (t_fofsynth *)pd_new(fofsynth_class); + + x->debug = 0; + x->x_arrayname = s; + + if (s == &s_) + x->x_arrayname = NULL; + + /* setup the grain queue */ + + x->grainbase = getbytes(sizeof(t_grain)*maxgrains); + x->maxgrains = maxgrains; + grain_makecyclic(x->grainbase,maxgrains); + x->grainstart = x->grainbase; + x->grainend = x->grainbase; + x->numgrains = 0; + + /* some of them could be signals too */ + + floatinlet_new(&x->x_obj, &x->formfreq); + floatinlet_new(&x->x_obj, &x->risedur); + floatinlet_new(&x->x_obj, &x->falldur); + + x->fundph = 0.0; + x->fundfreq = 200.0; + x->formfreq = 600.0; + x->risedur = 5.0; + x->falldur = 140.0; + + if (a) x->fundfreq = a; + if (b) x->formfreq = b; + if (c) x->risedur = c; + if (d) x->falldur = d; + + outlet_new(&x->x_obj, &s_signal); + return (x); +} + +void fofsynth_tilde_setup(void) +{ + cos_table = NULL; + halfcos_table = NULL; + fofsynth_class = class_new(gensym("fof~"), (t_newmethod) fofsynth_new,(t_method) fofsynth_free, + sizeof(t_fofsynth), 0,A_DEFSYM, A_DEFFLOAT,A_DEFFLOAT,A_DEFFLOAT,A_DEFFLOAT,0); + class_addcreator((t_newmethod)fofsynth_new,gensym("fofsynth~"),A_DEFSYM, A_DEFFLOAT,A_DEFFLOAT,A_DEFFLOAT,A_DEFFLOAT,0); + class_addmethod(fofsynth_class, nullfn, gensym("signal"), 0); + class_addmethod(fofsynth_class, (t_method) fofsynth_dsp, gensym("dsp"), 0); + class_addfloat(fofsynth_class, (t_method) fofsynth_float); + class_addmethod(fofsynth_class,(t_method) fofsynth_debug, gensym("debug"),0); + cos_maketable(); + halfcos_maketable(); + exp_maketable(); +} diff --git a/experimental/pvocfreq.c b/experimental/pvocfreq.c index 4eb30ca..67ed01c 100755 --- a/experimental/pvocfreq.c +++ b/experimental/pvocfreq.c @@ -1,114 +1,114 @@ -/* (C) Guenter Geiger <geiger@epy.co.at> */
-
-
-#include <m_pd.h>
-#ifdef NT
-#pragma warning( disable : 4244 )
-#pragma warning( disable : 4305 )
-#endif
-
-/* ------------------------ shuffle ----------------------------- */
-
-static t_class *shuffle_class;
-
-
-typedef struct _shuffle
-{
- t_object x_obj;
- t_float x;
-} t_shuffle;
-
-
-void shuffle_float(t_shuffle *x, t_floatarg f)
-{
- post("float %f",f);
- x->x = f;
-}
-
-
-
-static t_int *shuffle_perform(t_int *w)
-{
- t_shuffle* x = (t_shuffle*)(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 = w[5];
-
- if (x->x <= 0) {
- while (n--) {
- *out++ = *in1++;
- }
- return w+6;
- }
-
- if (x->x < 0.5) {
- t_int index = 1/x->x;
- while (n--) {
- if (n%index){
- *out++ = *in1++;
- in2++;
- }
- else {
- *out++ = *in2++;
- in1++;
- }
- }
- return w+6;
- }
-
- if (x->x > 1.0) {
- while (n--) {
- *out++ = *in2++;
- }
- return w+6;
- }
-
- if (x->x >= 0.5) {
- t_int index = 1/(1.0- x->x);
- while (n--) {
- if (n%index) {
- *out++ = *in2++;
- in1++;
- }
- else {
- *out++ = *in1++;
- in2++;
- }
- }
- }
-
- return w+6;
-}
-
-
-static void shuffle_dsp(t_shuffle *x, t_signal **sp)
-{
- dsp_add(shuffle_perform, 5, x, sp[0]->s_vec,
- sp[1]->s_vec,sp[2]->s_vec, sp[0]->s_n);
-
-}
-
-static void *shuffle_new()
-{
- t_shuffle *x = (t_shuffle *)pd_new(shuffle_class);
-
- inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_signal, &s_signal);
-
-
- outlet_new(&x->x_obj, gensym("signal"));
- return (x);
-}
-
-void shuffle_setup(void)
-{
- shuffle_class = class_new(gensym("shuffle~"), (t_newmethod)shuffle_new, 0,
- sizeof(t_shuffle), 0,0);
-
- class_addmethod(shuffle_class, nullfn, gensym("signal"), 0);
- class_addmethod(shuffle_class, (t_method) shuffle_dsp, gensym("dsp"), 0);
-
- class_addfloat(shuffle_class,shuffle_float);
-}
-
-
+/* (C) Guenter Geiger <geiger@epy.co.at> */ + + +#include <m_pd.h> +#ifdef _MSC_VER +#pragma warning( disable : 4244 ) +#pragma warning( disable : 4305 ) +#endif + +/* ------------------------ shuffle ----------------------------- */ + +static t_class *shuffle_class; + + +typedef struct _shuffle +{ + t_object x_obj; + t_float x; +} t_shuffle; + + +void shuffle_float(t_shuffle *x, t_floatarg f) +{ + post("float %f",f); + x->x = f; +} + + + +static t_int *shuffle_perform(t_int *w) +{ + t_shuffle* x = (t_shuffle*)(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 = w[5]; + + if (x->x <= 0) { + while (n--) { + *out++ = *in1++; + } + return w+6; + } + + if (x->x < 0.5) { + t_int index = 1/x->x; + while (n--) { + if (n%index){ + *out++ = *in1++; + in2++; + } + else { + *out++ = *in2++; + in1++; + } + } + return w+6; + } + + if (x->x > 1.0) { + while (n--) { + *out++ = *in2++; + } + return w+6; + } + + if (x->x >= 0.5) { + t_int index = 1/(1.0- x->x); + while (n--) { + if (n%index) { + *out++ = *in2++; + in1++; + } + else { + *out++ = *in1++; + in2++; + } + } + } + + return w+6; +} + + +static void shuffle_dsp(t_shuffle *x, t_signal **sp) +{ + dsp_add(shuffle_perform, 5, x, sp[0]->s_vec, + sp[1]->s_vec,sp[2]->s_vec, sp[0]->s_n); + +} + +static void *shuffle_new() +{ + t_shuffle *x = (t_shuffle *)pd_new(shuffle_class); + + inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_signal, &s_signal); + + + outlet_new(&x->x_obj, gensym("signal")); + return (x); +} + +void shuffle_setup(void) +{ + shuffle_class = class_new(gensym("shuffle~"), (t_newmethod)shuffle_new, 0, + sizeof(t_shuffle), 0,0); + + class_addmethod(shuffle_class, nullfn, gensym("signal"), 0); + class_addmethod(shuffle_class, (t_method) shuffle_dsp, gensym("dsp"), 0); + + class_addfloat(shuffle_class,shuffle_float); +} + + |