int t_pluck(sp_test *tst, sp_data *sp, const char *hash)
{
uint32_t n;
int fail = 0;
UserData ud;
sp_srand(sp, 1337);
SPFLOAT pluck = 0, met = 0;
SPFLOAT notes[] = {60, 63, 67, 70, 74};
sp_pluck_create(&ud.pluck);
sp_metro_create(&ud.met);
sp_pluck_init(sp, ud.pluck, 400);
sp_metro_init(sp, ud.met);
ud.met->freq = 4;
for(n = 0; n < tst->size; n++) {
pluck = 0, met = 0;
sp_metro_compute(sp, ud.met, NULL, &met);
if(met) {
ud.pluck->freq = sp_midi2cps(notes[sp_rand(sp) % 5]);
}
sp_pluck_compute(sp, ud.pluck, &met, &pluck);
sp_test_add_sample(tst, pluck);
}
fail = sp_test_verify(tst, hash);
sp_pluck_destroy(&ud.pluck);
sp_metro_destroy(&ud.met);
if(fail) return SP_NOT_OK;
else return SP_OK;
}
void process(sp_data *sp, void *udata) {
UserData *ud = udata;
SPFLOAT osc = 0, pluck = 0, met = 0;
sp_osc_compute(sp, ud->osc, NULL, &osc);
sp_metro_compute(sp, ud->met, NULL, &met);
if(met) {
ud->pluck->reflect = 0.5;
ud->pluck->freq = ud->pluck->ifreq + rand() % 500;
}
sp_pluck_compute(sp, ud->pluck, &met, &osc, &pluck);
sp->out[0] = pluck;
}
int sporth_pluck(sporth_stack *stack, void *ud)
{
plumber_data *pd = ud;
sp_pluck *pluck;
SPFLOAT freq = 0;
SPFLOAT amp = 0;
SPFLOAT trig = 0;
SPFLOAT ifreq = 0;
SPFLOAT out = 0;
switch(pd->mode) {
case PLUMBER_CREATE:
#ifdef DEBUG_MODE
plumber_print(pd, "pluck: Creating\n");
#endif
sp_pluck_create(&pluck);
plumber_add_ugen(pd, SPORTH_PLUCK, pluck);
if(sporth_check_args(stack, "ffff") != SPORTH_OK) {
plumber_print(pd,"Not enough arguments for pluck\n");
stack->error++;
return PLUMBER_NOTOK;
}
ifreq = sporth_stack_pop_float(stack);
amp = sporth_stack_pop_float(stack);
freq = sporth_stack_pop_float(stack);
trig = sporth_stack_pop_float(stack);
sporth_stack_push_float(stack, 0);
break;
case PLUMBER_INIT:
#ifdef DEBUG_MODE
plumber_print(pd, "pluck: Initialising\n");
#endif
pluck = pd->last->ud;
ifreq = sporth_stack_pop_float(stack);
amp = sporth_stack_pop_float(stack);
freq = sporth_stack_pop_float(stack);
trig = sporth_stack_pop_float(stack);
sp_pluck_init(pd->sp, pluck, ifreq);
sporth_stack_push_float(stack, 0);
break;
case PLUMBER_COMPUTE:
pluck = pd->last->ud;
ifreq = sporth_stack_pop_float(stack);
amp = sporth_stack_pop_float(stack);
freq = sporth_stack_pop_float(stack);
trig = sporth_stack_pop_float(stack);
pluck->freq = freq;
pluck->amp = amp;
sp_pluck_compute(pd->sp, pluck, &trig, &out);
sporth_stack_push_float(stack, out);
break;
case PLUMBER_DESTROY:
pluck = pd->last->ud;
sp_pluck_destroy(&pluck);
break;
default:
plumber_print(pd, "pluck: Unknown mode!\n");
break;
}
return PLUMBER_OK;
}
