void
tempopopup::tap ()
{
m_is_typing = false;
double bpm = update_bpm();
set_tap_button(m_current_beats);
if (m_current_beats > 1) /* first one is useless */
m_adjust_bpm->set_value(double(bpm));
}
static void
run(LV2_Handle instance, uint32_t n_samples)
{
ADelay* adelay = (ADelay*)instance;
const float* const input = adelay->input;
float* const output = adelay->output;
float srate = adelay->srate;
uint32_t i;
float in;
int delaysamples;
unsigned int tmp;
float inv;
float xfade;
int recalc;
if (*(adelay->inv) < 0.5) {
inv = -1.f;
} else {
inv = 1.f;
}
recalc = 0;
if (*(adelay->inv) != adelay->invertold) {
recalc = 1;
}
if (*(adelay->sync) != adelay->syncold) {
recalc = 1;
}
if (*(adelay->time) != adelay->timeold) {
recalc = 1;
}
if (*(adelay->divisor) != adelay->divisorold) {
recalc = 1;
}
if (*(adelay->lpf) != adelay->lpfold) {
lpfRbj(adelay, *(adelay->lpf), srate);
}
if (*(adelay->gain) != adelay->gainold) {
recalc = 1;
}
if (recalc) {
if (*(adelay->sync) > 0.5f && adelay->bpmvalid) {
*(adelay->delaytime) = adelay->beatunit * 1000.f * 60.f / (adelay->bpm * *(adelay->divisor));
} else {
*(adelay->delaytime) = *(adelay->time);
}
delaysamples = (int)(*(adelay->delaytime) * srate) / 1000;
adelay->tap[adelay->next] = delaysamples;
}
xfade = 0.f;
for (i = 0; i < n_samples; i++) {
in = input[i];
adelay->z[adelay->posz] = in; // + feedb / 100. * fbstate;
adelay->fbstate = 0.f;
int p = adelay->posz - adelay->tap[adelay->active]; // active line
if (p<0) p += MAX_DELAY;
adelay->fbstate += adelay->z[p];
if (recalc) {
xfade += 1.0f / (float)n_samples;
adelay->fbstate *= (1.-xfade);
int p = adelay->posz - adelay->tap[adelay->next]; // next line
if (p<0) p += MAX_DELAY;
adelay->fbstate += adelay->z[p] * xfade;
}
output[i] = from_dB(*(adelay->gain)) * ((100.-*(adelay->wetdry)) / 100. * in + *(adelay->wetdry) / 100. * -inv * runfilter(adelay, adelay->fbstate));
if (++(adelay->posz) >= MAX_DELAY) {
adelay->posz = 0;
}
}
adelay->lpfold = *(adelay->lpf);
adelay->divisorold = *(adelay->divisor);
adelay->gainold = *(adelay->gain);
adelay->invertold = *(adelay->inv);
adelay->timeold = *(adelay->time);
adelay->syncold = *(adelay->sync);
adelay->wetdryold = *(adelay->wetdry);
adelay->delaytimeold = *(adelay->delaytime);
adelay->delaysamplesold = delaysamples;
if (recalc) {
tmp = adelay->active;
adelay->active = adelay->next;
adelay->next = tmp;
}
if (adelay->atombpm) {
LV2_Atom_Event* ev = lv2_atom_sequence_begin(&(adelay->atombpm)->body);
while(!lv2_atom_sequence_is_end(&(adelay->atombpm)->body, (adelay->atombpm)->atom.size, ev)) {
if (ev->body.type == adelay->uris.atom_Blank || ev->body.type == adelay->uris.atom_Object) {
const LV2_Atom_Object* obj = (LV2_Atom_Object*)&ev->body;
if (obj->body.otype == adelay->uris.time_Position) {
update_bpm(adelay, obj);
}
}
ev = lv2_atom_sequence_next(ev);
}
}
}
