ref: a7639e57d9ba60b4eab83a0658816b15f7c7699d
dir: /h/reverse.h/
typedef struct { SPFLOAT delay; uint32_t bufpos; uint32_t bufsize; SPFLOAT *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);