ref: 0df3039072e1eb47d710348117063fa45cfaf2dd
dir: /h/spa.h/
typedef struct { SPFLOAT *buf; uint32_t pos; uint32_t bufsize; sp_audio spa; } sp_spa; int sp_spa_create(sp_spa **p); int sp_spa_destroy(sp_spa **p); int sp_spa_init(sp_data *sp, sp_spa *p, const char *filename); int sp_spa_compute(sp_data *sp, sp_spa *p, SPFLOAT *in, SPFLOAT *out);