int main() {
udata ud;
sp_data *sp;
sp_create(&sp);
sp_vdelay_create(&ud.del);
sp_ftbl_create(sp, &ud.ft, 2048);
sp_osc_create(&ud.osc);
sp_ftbl_create(sp, &ud.sine, 4096);
sp_osc_create(&ud.lfo);
sp_vdelay_init(sp, ud.del, 0.5);
sp_gen_file(sp, ud.ft, "Formant04.wav");
sp_osc_init(sp, ud.osc, ud.ft, 0);
ud.osc->freq = sp_midi2cps(50);
sp_gen_sine(sp, ud.sine);
sp_osc_init(sp, ud.lfo, ud.sine, 0);
ud.lfo->freq = 0.2;
sp->len = 44100 * 5;
sp_process(sp, &ud, process);
sp_vdelay_destroy(&ud.del);
sp_ftbl_destroy(&ud.ft);
sp_ftbl_destroy(&ud.sine);
sp_osc_destroy(&ud.osc);
sp_osc_destroy(&ud.lfo);
sp_destroy(&sp);
return 0;
}
int main()
{
srand(time(NULL));
int i;
UserData ud;
ud.pdel = 0;
sp_data *sp;
sp_create(&sp);
sp->len = 44100 * 40;
char *notes[] = {
"62 69 78",
"55 62 69 71",
"43 50"
};
for(i = 0; i < NUMLINE; i++) {
sp_randi_create(&ud.line[i].randi);
chord_cloud_create(&ud.line[i].cc);
chord_cloud_init(sp, ud.line[i].cc, notes[i], 0.1);
sp_randi_init(sp, ud.line[i].randi, rand());
ud.line[i].randi->cps = 0.1 + randf(1.5);
}
sp_revsc_create(&ud.rev);
sp_revsc_init(sp, ud.rev);
ud.rev->feedback = 0.95;
sp_metro_create(&ud.clk);
sp_metro_init(sp, ud.clk);
ud.clk->freq = 86.0 / 60.0;
sp_count_create(&ud.meter);
sp_count_init(sp, ud.meter);
ud.meter->count = 5;
sp_drip_create(&ud.drip);
sp_drip_init(sp, ud.drip, 0.01);
sp_vdelay_create(&ud.del);
/* give some headroom for the delay */
sp_vdelay_init(sp, ud.del, 0.4);
ud.del->del = 0.3;
sp_tenv_create(&ud.master);
sp_tenv_init(sp, ud.master);
ud.master->atk = 0;
ud.master->hold = 30;
ud.master->rel = 10;
sp_progress_create(&ud.prog);
sp_progress_init(sp, ud.prog);
modal_create(&ud.mod);
modal_init(sp, ud.mod);
sp_ftbl_create(sp, &ud.notes, 1);
sp_gen_vals(sp, ud.notes, "62 64 59 57");
sp_tseq_create(&ud.seq);
sp_tseq_init(sp, ud.seq, ud.notes);
sp_maygate_create(&ud.mg);
sp_maygate_init(sp, ud.mg);
ud.mg->prob = 0.3;
ud.mg->mode = 1;
sp_process(sp, &ud, process);
for(i = 0; i < NUMLINE; i++) {
sp_randi_destroy(&ud.line[i].randi);
chord_cloud_destroy(&ud.line[i].cc);
}
sp_drip_destroy(&ud.drip);
sp_revsc_destroy(&ud.rev);
sp_metro_destroy(&ud.clk);
sp_count_destroy(&ud.meter);
sp_vdelay_destroy(&ud.del);
sp_tenv_destroy(&ud.master);
modal_destroy(&ud.mod);
sp_ftbl_destroy(&ud.notes);
sp_tseq_destroy(&ud.seq);
sp_maygate_destroy(&ud.mg);
sp_progress_destroy(&ud.prog);
sp_destroy(&sp);
return 0;
}
int sporth_vdelay(sporth_stack *stack, void *ud)
{
plumber_data *pd = ud;
SPFLOAT in;
SPFLOAT out;
SPFLOAT maxdel;
SPFLOAT feedback;
SPFLOAT del;
sporth_vdelay_d *vd;
switch(pd->mode) {
case PLUMBER_CREATE:
#ifdef DEBUG_MODE
fprintf(stderr, "vdelay: Creating\n");
#endif
vd = malloc(sizeof(sporth_vdelay_d));
sp_vdelay_create(&vd->vdelay);
plumber_add_ugen(pd, SPORTH_VDELAY, vd);
if(sporth_check_args(stack, "ffff") != SPORTH_OK) {
fprintf(stderr,"Not enough arguments for vdelay\n");
stack->error++;
return PLUMBER_NOTOK;
}
maxdel = sporth_stack_pop_float(stack);
del = sporth_stack_pop_float(stack);
feedback = sporth_stack_pop_float(stack);
in = sporth_stack_pop_float(stack);
vd->prev = 0;
sporth_stack_push_float(stack, 0);
break;
case PLUMBER_INIT:
#ifdef DEBUG_MODE
fprintf(stderr, "vdelay: Initialising\n");
#endif
maxdel = sporth_stack_pop_float(stack);
del = sporth_stack_pop_float(stack);
feedback = sporth_stack_pop_float(stack);
in = sporth_stack_pop_float(stack);
vd = pd->last->ud;
vd->prev = 0;
sp_vdelay_init(pd->sp, vd->vdelay, maxdel);
sporth_stack_push_float(stack, 0);
break;
case PLUMBER_COMPUTE:
vd = pd->last->ud;
maxdel = sporth_stack_pop_float(stack);
del = sporth_stack_pop_float(stack);
feedback = sporth_stack_pop_float(stack);
in = sporth_stack_pop_float(stack);
in += vd->prev * feedback;
vd->vdelay->del = del;
sp_vdelay_compute(pd->sp, vd->vdelay, &in, &out);
sporth_stack_push_float(stack, out);
vd->prev = out;
break;
case PLUMBER_DESTROY:
vd= pd->last->ud;
sp_vdelay_destroy(&vd->vdelay);
free(vd);
break;
default:
fprintf(stderr, "vdelay: Uknown mode!\n");
break;
}
return PLUMBER_OK;
}
