ref: 79b51e588d41bc7df8c27f1f1aee57832a9d45ad
dir: /modules/maygate.c/
/* This code is placed in the public domain. */ #include <stdlib.h> #include "soundpipe.h" int sp_maygate_create(sp_maygate **p) { *p = malloc(sizeof(sp_maygate)); return SP_OK; } int sp_maygate_destroy(sp_maygate **p) { free(*p); return SP_OK; } int sp_maygate_init(sp_data *sp, sp_maygate *p) { p->prob = 0.0; p->gate = 0; p->mode = 0; return SP_OK; } int sp_maygate_compute(sp_data *sp, sp_maygate *p, SPFLOAT *in, SPFLOAT *out) { if (*in == 0) { if (p->mode) { *out = 0; } else { *out = p->gate; } return SP_OK; } if ((1.0 * sp_rand(sp) / SP_RANDMAX) <= p->prob) { *out = 1; p->gate = 1; } else { *out = 0; p->gate = 0; } return SP_OK; }