/* This code is placed in the public domain. */ #include <stdlib.h>#include "soundpipe.h" int sp_dtrig_create(sp_dtrig **p){ *p = malloc(sizeof(sp_dtrig)); return SP_OK;} int sp_dtrig_destroy(sp_dtrig **p){ free(*p); return SP_OK;} int sp_dtrig_init(sp_data *sp, sp_dtrig *p, sp_ftbl *ft){ USED(sp); p->ft = ft; p->counter = 0; p->pos = 0; p->running = 0; p->loop = 0; p->delay = 0; p->scale = 1; return SP_OK;} int sp_dtrig_compute(sp_data *sp, sp_dtrig *p, SPFLOAT *in, SPFLOAT *out){ if (*in == 1.0) { p->running = 1.0; p->pos = 0; p->counter = p->delay * sp->sr; } if ((p->pos < p->ft->size) && p->running) { if (p->counter == 0) { p->counter = (uint32_t)(p->scale * p->ft->tbl[p->pos] * sp->sr - 1); *out = 1.0; p->pos++; if (p->loop) { p->pos %= p->ft->size; } return SP_OK; } else { *out = 0; p->counter--; return SP_OK; } } *out = 0; return SP_NOT_OK;}
/* This code is placed in the public domain. */
#include <stdlib.h>
#include "soundpipe.h"
int sp_dtrig_create(sp_dtrig **p)
{
*p = malloc(sizeof(sp_dtrig));
return SP_OK;
}
int sp_dtrig_destroy(sp_dtrig **p)
{
free(*p);
return SP_OK;
}
int sp_dtrig_init(sp_data *sp, sp_dtrig *p, sp_ftbl *ft)
{
USED(sp);
p->ft = ft;
p->counter = 0;
p->pos = 0;
p->running = 0;
p->loop = 0;
p->delay = 0;
p->scale = 1;
return SP_OK;
}
int sp_dtrig_compute(sp_data *sp, sp_dtrig *p, SPFLOAT *in, SPFLOAT *out)
{
if (*in == 1.0) {
p->running = 1.0;
p->pos = 0;
p->counter = p->delay * sp->sr;
}
if ((p->pos < p->ft->size) && p->running) {
if (p->counter == 0) {
p->counter = (uint32_t)(p->scale * p->ft->tbl[p->pos] * sp->sr - 1);
*out = 1.0;
p->pos++;
if (p->loop) {
p->pos %= p->ft->size;
}
return SP_OK;
} else {
*out = 0;
p->counter--;
return SP_OK;
}
}
*out = 0;
return SP_NOT_OK;
}