void init(int _channels, double _sampleRate) override {
AKSoundpipeKernel::init(_channels, _sampleRate);
sp_pshift_create(&pshift0);
sp_pshift_create(&pshift1);
sp_pshift_init(sp, pshift0);
sp_pshift_init(sp, pshift1);
*pshift0->shift = 0;
*pshift1->shift = 0;
*pshift0->window = 1024;
*pshift1->window = 1024;
*pshift0->xfade = 512;
*pshift1->xfade = 512;
shiftRamper.init();
windowSizeRamper.init();
crossfadeRamper.init();
}
void init(int channelCount, double inSampleRate) {
channels = channelCount;
sampleRate = float(inSampleRate);
sp_create(&sp);
sp->sr = sampleRate;
sp->nchan = channels;
sp_pshift_create(&pshift);
sp_pshift_init(sp, pshift);
*pshift->shift = 0;
*pshift->window = 1024;
*pshift->xfade = 512;
shiftRamper.init();
windowSizeRamper.init();
crossfadeRamper.init();
}
int sporth_pshift(sporth_stack *stack, void *ud)
{
plumber_data *pd = ud;
SPFLOAT input;
SPFLOAT out;
SPFLOAT shift;
SPFLOAT window;
SPFLOAT xfade;
sp_pshift *pshift;
switch(pd->mode) {
case PLUMBER_CREATE:
#ifdef DEBUG_MODE
fprintf(stderr, "pshift: Creating\n");
#endif
sp_pshift_create(&pshift);
plumber_add_ugen(pd, SPORTH_PSHIFT, pshift);
if(sporth_check_args(stack, "ffff") != SPORTH_OK) {
fprintf(stderr,"Not enough arguments for pshift\n");
stack->error++;
return PLUMBER_NOTOK;
}
xfade = sporth_stack_pop_float(stack);
window = sporth_stack_pop_float(stack);
shift = sporth_stack_pop_float(stack);
input = sporth_stack_pop_float(stack);
sp_pshift_init(pd->sp, pshift);
sporth_stack_push_float(stack, 0);
break;
case PLUMBER_INIT:
#ifdef DEBUG_MODE
fprintf(stderr, "pshift: Initialising\n");
#endif
xfade = sporth_stack_pop_float(stack);
window = sporth_stack_pop_float(stack);
shift = sporth_stack_pop_float(stack);
input = sporth_stack_pop_float(stack);
sporth_stack_push_float(stack, 0);
break;
case PLUMBER_COMPUTE:
xfade = sporth_stack_pop_float(stack);
window = sporth_stack_pop_float(stack);
shift = sporth_stack_pop_float(stack);
input = sporth_stack_pop_float(stack);
pshift = pd->last->ud;
*pshift->shift = shift;
*pshift->window = window;
*pshift->xfade = xfade;
sp_pshift_compute(pd->sp, pshift, &input, &out);
sporth_stack_push_float(stack, out);
break;
case PLUMBER_DESTROY:
pshift = pd->last->ud;
sp_pshift_destroy(&pshift);
break;
default:
fprintf(stderr, "pshift: Unknown mode!\n");
break;
}
return PLUMBER_OK;
}
