/* This code is placed in the public domain. */ #include <stdlib.h>#include "soundpipe.h" #ifndef max#define max(a, b) ((a > b) ? a : b)#endif #ifndef min#define min(a, b) ((a < b) ? a : b)#endif int sp_incr_create(sp_incr **p){ *p = malloc(sizeof(sp_incr)); return SP_OK;} int sp_incr_destroy(sp_incr **p){ free(*p); return SP_OK;} int sp_incr_init(sp_data *sp, sp_incr *p, SPFLOAT val){ USED(sp); p->min = 0; p->max = 1; p->step = 0.1; p->val = val; return SP_OK;} int sp_incr_compute(sp_data *sp, sp_incr *p, SPFLOAT *in, SPFLOAT *out){ USED(sp); if (*in > 0 ) { p->val += p->step; p->val = max(min(p->val, p->max), p->min); } else if (*in < 0) { p->val -= p->step; p->val = max(min(p->val, p->max), p->min); } *out = p->val; return SP_OK;}
/* This code is placed in the public domain. */
#include <stdlib.h>
#include "soundpipe.h"
#ifndef max
#define max(a, b) ((a > b) ? a : b)
#endif
#ifndef min
#define min(a, b) ((a < b) ? a : b)
#endif
int sp_incr_create(sp_incr **p)
{
*p = malloc(sizeof(sp_incr));
return SP_OK;
}
int sp_incr_destroy(sp_incr **p)
{
free(*p);
return SP_OK;
}
int sp_incr_init(sp_data *sp, sp_incr *p, SPFLOAT val)
{
USED(sp);
p->min = 0;
p->max = 1;
p->step = 0.1;
p->val = val;
return SP_OK;
}
int sp_incr_compute(sp_data *sp, sp_incr *p, SPFLOAT *in, SPFLOAT *out)
{
USED(sp);
if (*in > 0 ) {
p->val += p->step;
p->val = max(min(p->val, p->max), p->min);
} else if (*in < 0) {
p->val -= p->step;
p->val = max(min(p->val, p->max), p->min);
}
*out = p->val;
return SP_OK;
}