/* This code is placed in the public domain. */ #include <stdlib.h>#include "soundpipe.h" int sp_randh_create(sp_randh **p){ *p = malloc(sizeof(sp_randh)); return SP_OK;} int sp_randh_destroy(sp_randh **p){ free(*p); return SP_OK;} int sp_randh_init(sp_data *sp, sp_randh *p){ p->counter = 0; p->freq = 10; p->dur = (sp->sr / p->freq); p->min = 0; p->max = 1; p->val = 0; return SP_OK;} int sp_randh_compute(sp_data *sp, sp_randh *p, SPFLOAT *in, SPFLOAT *out){ USED(in); if (p->counter == 0) { p->val = p->min + ((SPFLOAT) sp_rand(sp) / SP_RANDMAX) * (p->max - p->min); if (p->freq == 0) { p->dur = 1; } else { p->dur = (sp->sr / p->freq) + 1; } *out = p->val; } else { *out = p->val; } p->counter = (p->counter + 1) % p->dur; return SP_OK;}
/* This code is placed in the public domain. */
#include <stdlib.h>
#include "soundpipe.h"
int sp_randh_create(sp_randh **p)
{
*p = malloc(sizeof(sp_randh));
return SP_OK;
}
int sp_randh_destroy(sp_randh **p)
{
free(*p);
return SP_OK;
}
int sp_randh_init(sp_data *sp, sp_randh *p)
{
p->counter = 0;
p->freq = 10;
p->dur = (sp->sr / p->freq);
p->min = 0;
p->max = 1;
p->val = 0;
return SP_OK;
}
int sp_randh_compute(sp_data *sp, sp_randh *p, SPFLOAT *in, SPFLOAT *out)
{
USED(in);
if (p->counter == 0) {
p->val = p->min + ((SPFLOAT) sp_rand(sp) / SP_RANDMAX) * (p->max - p->min);
if (p->freq == 0) {
p->dur = 1;
} else {
p->dur = (sp->sr / p->freq) + 1;
}
*out = p->val;
} else {
*out = p->val;
}
p->counter = (p->counter + 1) % p->dur;
return SP_OK;
}