ref: 4717f3fcc1523ee0e7e7b85273d6c5dd5bf192a3
dir: /h/reverse.h/
typedef struct { SPFLOAT delay; uint32_t bufpos; uint32_t bufsize; sp_auxdata buf; } sp_reverse; int sp_reverse_create(sp_reverse **p); int sp_reverse_destroy(sp_reverse **p); int sp_reverse_init(sp_data *sp, sp_reverse *p, SPFLOAT delay); int sp_reverse_compute(sp_data *sp, sp_reverse *p, SPFLOAT *in, SPFLOAT *out);