ref: a901d5647d30cf20fc0a096a612c58b2f99b8551
dir: /test/t/t_jitter.c/
#include "soundpipe.h" #include "md5.h" #include "tap.h" #include "test.h" typedef struct { sp_fosc *osc; sp_ftbl *ft; sp_jitter *jit; } UserData; int t_jitter(sp_test *tst, sp_data *sp, const char *hash) { sp_srand(sp, 1234567); uint32_t n; int fail = 0; UserData ud; sp_ftbl_create(sp, &ud.ft, 2048); sp_fosc_create(&ud.osc); sp_jitter_create(&ud.jit); sp_gen_sine(sp, ud.ft); sp_fosc_init(sp, ud.osc, ud.ft); sp_jitter_init(sp, ud.jit); ud.jit->cpsMin = 0.5; ud.jit->cpsMax = 4; ud.jit->amp = 3; for(n = 0; n < tst->size; n++) { SPFLOAT jit = 0; sp_jitter_compute(sp, ud.jit, NULL, &jit); ud.osc->freq = sp_midi2cps(60 + jit); sp_fosc_compute(sp, ud.osc, NULL, &sp->out[0]); sp_test_add_sample(tst, sp->out[0]); } fail = sp_test_verify(tst, hash); sp_ftbl_destroy(&ud.ft); sp_fosc_destroy(&ud.osc); sp_jitter_destroy(&ud.jit); if(fail) return SP_NOT_OK; else return SP_OK; }