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ensoniq-buddy
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add rate to sample tab

This commit is contained in:
Kelvin Sherlock 2023-05-27 14:24:16 -04:00
parent 7a91750238
commit 320bcf3dca
2 changed files with 38 additions and 8 deletions
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25
js/application.js
View File

@ -409,7 +409,6 @@ function NoteDisplay(props) {
const f = note_frq / (sr / (1 << 8 + wave));
var best_res = 0;
var best_freq = 0;
var actual = 0;
for (var res = 0; res < 8; ++res) {
const shift = 1 << calc_shift(res, wave);
const tmp = Math.round(f * shift);
@ -417,10 +416,22 @@ function NoteDisplay(props) {
break;
best_res = res;
best_freq = tmp;
actual = sr / (256 * shift / tmp);
}
[best_res, best_freq] = simplify(best_res, best_freq);
return /* @__PURE__ */ preact.h(preact.Fragment, null, /* @__PURE__ */ preact.h("div", null, "Note: ", actual.toFixed(2), " Hz"), /* @__PURE__ */ preact.h("div", null, "Wave Size: 256"), /* @__PURE__ */ preact.h("div", null, "Resolution: ", best_res), /* @__PURE__ */ preact.h("div", null, "Frequency: ", best_freq));
return /* @__PURE__ */ preact.h(preact.Fragment, null, /* @__PURE__ */ preact.h(RateDisplay, {
wave: 0,
osc,
freq: best_freq,
res: best_res
}), /* @__PURE__ */ preact.h("div", null, "Wave Size: 256"), /* @__PURE__ */ preact.h("div", null, "Resolution: ", best_res), /* @__PURE__ */ preact.h("div", null, "Frequency: ", best_freq));
}
function RateDisplay(props) {
const { osc, wave, freq, res } = props;
const sr = calc_sr(osc);
const shift = 1 << calc_shift(res, wave);
const size = 256 << wave;
const rate = sr / (size * shift / freq);
return /* @__PURE__ */ preact.h("div", null, "Rate: ", rate.toFixed(2), " Hz");
}
function ResampleDisplay(props) {
var { osc, size, freq } = props;
@ -593,7 +604,13 @@ var Application = class extends preact.Component {
})), /* @__PURE__ */ preact.h("div", null, /* @__PURE__ */ preact.h("label", null, "Frequency"), " ", /* @__PURE__ */ preact.h(Frequency, {
value: freq,
onChange: this._freqChange
})), /* @__PURE__ */ preact.h(SampleDisplay, {
})), /* @__PURE__ */ preact.h(RateDisplay, {
wave,
osc,
freq,
shift,
res
}), /* @__PURE__ */ preact.h(SampleDisplay, {
freq,
shift
}));

21
src/application.jsx
View File

@ -94,22 +94,19 @@ function NoteDisplay(props) {
var best_res = 0;
var best_freq = 0;
var actual = 0;
for (var res = 0; res < 8; ++res) {
const shift = (1 << calc_shift(res, wave));
const tmp = Math.round(f * shift);
if (tmp >= 0x10000) break;
best_res = res;
best_freq = tmp;
actual = sr / ( 256 * shift / tmp);
}
[best_res, best_freq] = simplify(best_res, best_freq);
return (
<>
<div>Note: { actual.toFixed(2)} Hz</div>
<RateDisplay wave={0} osc={osc} freq={best_freq} res={best_res} />
<div>Wave Size: 256</div>
<div>Resolution: {best_res}</div>
<div>Frequency: {best_freq}</div>
@ -118,6 +115,20 @@ function NoteDisplay(props) {
);
}
function RateDisplay(props) {
const { osc, wave, freq, res} = props;
const sr = calc_sr(osc);
const shift = (1 << calc_shift(res, wave));
const size = 256 << wave;
const rate = sr / (size * shift / freq);
return <div>Rate: {rate.toFixed(2)} Hz</div>;
}
function ResampleDisplay(props) {
var { osc, size, freq } = props;
@ -356,6 +367,8 @@ export class Application extends preact.Component {
<label>Frequency</label> <Frequency value={freq} onChange={this._freqChange} />
</div>
<RateDisplay wave={wave} osc={osc} freq={freq} shift={shift} res={res} />
<SampleDisplay freq={freq} shift={shift} />
</>
);