/* This code is placed in the public domain. */ #include <stdlib.h>#include "soundpipe.h" int sp_tdiv_create(sp_tdiv **p){    *p = malloc(sizeof(sp_tdiv));    return SP_OK;} int sp_tdiv_destroy(sp_tdiv **p){    free(*p);    return SP_OK;} int sp_tdiv_init(sp_data *sp, sp_tdiv *p){    USED(sp);     p->num = 2;    p->counter = 0;    p->offset = 0;    return SP_OK;} int sp_tdiv_compute(sp_data *sp, sp_tdiv *p, SPFLOAT *in, SPFLOAT *out){    USED(sp);     *out = 0.0;    if(*in != 0) {        if(p->counter == p->offset) *out = 1.0;        else *out = 0.0;        p->counter = (p->counter + 1) % p->num;    }    return SP_OK;}