ref: 2e86b938c226edc0d8bd6c3855baf3bec02b5179
dir: /h/dtrig.h/
typedef struct sp_dtrig{ sp_ftbl *ft; uint32_t counter; uint32_t pos; int running; int loop; SPFLOAT delay; SPFLOAT scale; } sp_dtrig; int sp_dtrig_create(sp_dtrig **p); int sp_dtrig_destroy(sp_dtrig **p); int sp_dtrig_init(sp_data *sp, sp_dtrig *p, sp_ftbl *ft); int sp_dtrig_compute(sp_data *sp, sp_dtrig *p, SPFLOAT *in, SPFLOAT *out);