sound-visualizer
Version:
59 lines (57 loc) • 1.67 kB
JavaScript
;
var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __export = (target, all) => {
for (var name in all)
__defProp(target, name, { get: all[name], enumerable: true });
};
var __copyProps = (to, from, except, desc) => {
if (from && typeof from === "object" || typeof from === "function") {
for (let key of __getOwnPropNames(from))
if (!__hasOwnProp.call(to, key) && key !== except)
__defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
}
return to;
};
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);
// src/continuous/wave/pure.ts
var pure_exports = {};
__export(pure_exports, {
frequencyValue: () => frequencyValue,
waveForm: () => waveForm,
waveFormUint: () => waveFormUint
});
module.exports = __toCommonJS(pure_exports);
function waveFormUint(array) {
let min = 256;
let max = -1;
for (let current of array) {
if (current < min)
min = current;
if (current > max)
max = current;
}
return max - min;
}
function waveForm(array) {
let min = Infinity;
let max = -Infinity;
for (let current of array) {
if (current < min)
min = current;
if (current > max)
max = current;
}
return max - min;
}
function frequencyValue(audioData) {
return 255 - waveFormUint(audioData);
}
// Annotate the CommonJS export names for ESM import in node:
0 && (module.exports = {
frequencyValue,
waveForm,
waveFormUint
});