shithub: soundpipe

ref: ffe16b59b7ae8c2e00dffa7bba7c9d7b9238c9f5
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;
}