initial commit, first workable version
commit
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<title>Zoom Marks Analyzer</title>
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<link rel="stylesheet" href="main.css">
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</head>
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<body>
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<div id="app">
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<div id="dropmark">Click or drop file here</div>
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<div id="label"></div>
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<div id="cuelist-outer">
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<div>MARKS</div>
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<ol id="cuelist"></ol>
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</div>
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<button id="export-button" disabled>Export as TSV...
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<span class="subtitle">(For Adobe Audition)</span>
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</button>
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</div>
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<script src="https://cdn.jsdelivr.net/npm/wavefile@11.0.0/dist/wavefile.min.js"
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integrity="sha384-W3PirarYaOAUEL6KdD+DTxgNwNV2WjP01eFWsWWBBzy4goLvqOd//bovJESrq043"
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crossorigin="anonymous"></script>
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<script src="main.js"></script>
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</body>
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</html>
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html, body {
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margin: 0;
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padding: 0;
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width: 100%;
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height: 100%;
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display: flex;
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justify-content: center;
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font-family: monospace;
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font-size: 12pt;
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}
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#app {
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display: flex;
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flex-direction: column;
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align-items: center;
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padding: 2em;
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}
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#dropmark {
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font-size: 16pt;
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border: 4px dashed gray;
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padding: 2em 3em;
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background: #f5f5f5;
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cursor: pointer;
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}
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#label {
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margin: 2em 0;
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}
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#cuelist-outer {
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visibility: hidden;
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flex-grow: 1;
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}
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#cuelist-outer div {
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font-weight: bold;
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text-align: center;
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}
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#cuelist li {
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margin: .5em;
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}
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#export-button {
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font-size: 16pt;
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border: 4px solid gray;
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padding: 1.5em 3em;
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font-family: monospace;
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}
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#export-button .subtitle {
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display: block;
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font-size: 12pt;
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}
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const dropElement = document.getElementById("dropmark");
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const label = document.getElementById("label");
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const infoElement = document.getElementById("cuelist-outer");
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const cueListElement = document.getElementById("cuelist");
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const exportButton = document.getElementById("export-button");
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function processFile (file) {
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window.currentFile = file;
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console.debug(window.currentFile);
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file.arrayBuffer().then((arrayBuffer) => {
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const buffer = new Uint8Array(arrayBuffer);
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window.resultWav = new wavefile.WaveFile(buffer);
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console.debug(window.resultWav);
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window.cuePoints = window.resultWav.listCuePoints().map((point) => {
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return new Date(point.position).toISOString().substr(11, 12);
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});
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console.debug(window.cuePoints);
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displayMarks();
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});
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}
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function displayMarks () {
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const length = window.resultWav.data.chunkSize / window.resultWav.fmt.byteRate;
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label.innerText = `${window.currentFile.name}: ${length.toFixed(2)}s`;
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while (cueListElement.lastElementChild) {
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cueListElement.removeChild(cueListElement.lastElementChild);
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}
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window.cuePoints.forEach((point) => {
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const row = document.createElement("li");
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row.innerText = point;
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cueListElement.appendChild(row);
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});
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infoElement.style.visibility = "inherit";
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exportButton.disabled = false;
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}
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function exportAsTSV () {
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const filename = `${window.currentFile.name.replace(/\.(wav|WAV)$/, "")}_marks.csv`;
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let text = "Name\tStart\tDuration\tTime Format\tType\tDescription\n";
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window.cuePoints.forEach((point, idx) => {
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text += `Mark ${idx}\t${point}\t0:00.000\tdecimal\tCue\n`;
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});
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console.debug(text);
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const aElement = document.createElement("a");
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aElement.setAttribute("href", "data:text/plain;charset=utf-8," + encodeURIComponent(text));
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aElement.setAttribute("download", filename);
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aElement.click();
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}
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function handleFileSelect (evt) {
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evt.stopPropagation();
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evt.preventDefault();
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processFile(evt.dataTransfer.files.item(0));
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}
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function handleDragOver (evt) {
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evt.stopPropagation();
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evt.preventDefault();
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}
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function handleClick (evt) {
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evt.stopPropagation();
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evt.preventDefault();
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const fileInput = document.createElement("input");
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fileInput.type = "file";
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fileInput.accept = ".wav";
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fileInput.onchange = () => {
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if (fileInput.files !== null) {
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processFile(fileInput.files.item(0));
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}
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};
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fileInput.click();
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}
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dropElement.addEventListener("dragover", handleDragOver, false);
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dropElement.addEventListener("drop", handleFileSelect, false);
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dropElement.addEventListener("click", handleClick, false);
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exportButton.addEventListener("click", exportAsTSV, false);
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