int main() { srand(1234567); UserData ud; sp_data *sp; sp_create(&sp); sp_ftbl_loadfile(sp, &ud.wav, "oneart.wav"); sp_ftbl_create(sp, &ud.win, 1024); sp_fog_create(&ud.fog); sp_phasor_create(&ud.phs); sp_gen_composite(sp, ud.win, "0.5 0.5 270 0.5"); sp_fog_init(sp, ud.fog, ud.wav, ud.win, 100, 0); ud.fog->trans = 0.9; sp_phasor_init(sp, ud.phs, 0); ud.phs->freq = 0.3 / ((SPFLOAT)ud.wav->size / sp->sr); sp->len = 44100 * 10; sp_process(sp, &ud, process); sp_fog_destroy(&ud.fog); sp_ftbl_destroy(&ud.wav); sp_ftbl_destroy(&ud.win); sp_phasor_destroy(&ud.phs); sp_destroy(&sp); return 0; }
int sporth_phasor(sporth_stack *stack, void *ud) { plumber_data *pd = ud; SPFLOAT out; SPFLOAT iphs; SPFLOAT freq; sp_phasor *phasor; switch(pd->mode) { case PLUMBER_CREATE: #ifdef DEBUG_MODE fprintf(stderr, "phasor: Creating\n"); #endif sp_phasor_create(&phasor); plumber_add_ugen(pd, SPORTH_PHASOR, phasor); if(sporth_check_args(stack, "ff") != SPORTH_OK) { fprintf(stderr,"Not enough arguments for phasor\n"); stack->error++; return PLUMBER_NOTOK; } iphs = sporth_stack_pop_float(stack); freq = sporth_stack_pop_float(stack); sporth_stack_push_float(stack, 0); break; case PLUMBER_INIT: #ifdef DEBUG_MODE fprintf(stderr, "phasor: Initialising\n"); #endif iphs = sporth_stack_pop_float(stack); freq = sporth_stack_pop_float(stack); phasor = pd->last->ud; sp_phasor_init(pd->sp, phasor, iphs); sporth_stack_push_float(stack, 0); break; case PLUMBER_COMPUTE: iphs = sporth_stack_pop_float(stack); freq = sporth_stack_pop_float(stack); phasor = pd->last->ud; phasor->freq = freq; sp_phasor_compute(pd->sp, phasor, NULL, &out); sporth_stack_push_float(stack, out); break; case PLUMBER_DESTROY: phasor = pd->last->ud; sp_phasor_destroy(&phasor); break; default: fprintf(stderr, "phasor: Unknown mode!\n"); break; } return PLUMBER_OK; }
void start() { started = true; sp_tabread_init(sp, tabread1, ftbl1, 1); sp_tabread_init(sp, tabread2, ftbl2, 1); sp_phasor_init(sp, phasor, 0.0); SPFLOAT dur; dur = (SPFLOAT)ftbl1->size / sp->sr; phasor->freq = 1.0 / dur * rate; lastPosition = -1.0; }
void init() { sp_adsr_create(&adsr); sp_adsr_init(kernel->sp, adsr); sp_pdhalf_create(&pdhalf); sp_tabread_create(&tab); sp_tabread_init(kernel->sp, tab, kernel->ftbl, 1); sp_phasor_create(&phs); sp_pdhalf_init(kernel->sp, pdhalf); sp_phasor_init(kernel->sp, phs, 0); phs->freq = 0; }