87 lines
2.7 KiB
JavaScript
87 lines
2.7 KiB
JavaScript
const dropElement = document.getElementById("dropmark");
|
|
const label = document.getElementById("label");
|
|
const infoElement = document.getElementById("cuelist-outer");
|
|
const cueListElement = document.getElementById("cuelist");
|
|
const exportButton = document.getElementById("export-button");
|
|
|
|
|
|
function processFile (file) {
|
|
window.currentFile = file;
|
|
console.debug(window.currentFile);
|
|
file.arrayBuffer().then((arrayBuffer) => {
|
|
const buffer = new Uint8Array(arrayBuffer);
|
|
window.resultWav = new wavefile.WaveFile(buffer);
|
|
console.debug(window.resultWav);
|
|
window.cuePoints = window.resultWav.listCuePoints().map((point) => {
|
|
return new Date(point.position).toISOString().substr(11, 12);
|
|
});
|
|
console.debug(window.cuePoints);
|
|
displayMarks();
|
|
});
|
|
}
|
|
|
|
function displayMarks () {
|
|
const length = window.resultWav.data.chunkSize / window.resultWav.fmt.byteRate;
|
|
label.innerText = `${window.currentFile.name}: ${length.toFixed(2)}s`;
|
|
|
|
while (cueListElement.lastElementChild) {
|
|
cueListElement.removeChild(cueListElement.lastElementChild);
|
|
}
|
|
|
|
window.cuePoints.forEach((point) => {
|
|
const row = document.createElement("li");
|
|
row.innerText = point;
|
|
cueListElement.appendChild(row);
|
|
});
|
|
|
|
infoElement.style.visibility = "inherit";
|
|
exportButton.disabled = false;
|
|
}
|
|
|
|
function exportAsTSV () {
|
|
const filename = `${window.currentFile.name.replace(/\.(wav|WAV)$/, "")}_marks.csv`;
|
|
let text = "Name\tStart\tDuration\tTime Format\tType\tDescription\n";
|
|
window.cuePoints.forEach((point, idx) => {
|
|
text += `Mark ${idx}\t${point}\t0:00.000\tdecimal\tCue\n`;
|
|
});
|
|
|
|
console.debug(text);
|
|
|
|
const aElement = document.createElement("a");
|
|
aElement.setAttribute("href", "data:text/plain;charset=utf-8," + encodeURIComponent(text));
|
|
aElement.setAttribute("download", filename);
|
|
aElement.click();
|
|
}
|
|
|
|
function handleFileSelect (evt) {
|
|
evt.stopPropagation();
|
|
evt.preventDefault();
|
|
|
|
processFile(evt.dataTransfer.files.item(0));
|
|
}
|
|
|
|
function handleDragOver (evt) {
|
|
evt.stopPropagation();
|
|
evt.preventDefault();
|
|
}
|
|
|
|
function handleClick (evt) {
|
|
evt.stopPropagation();
|
|
evt.preventDefault();
|
|
|
|
const fileInput = document.createElement("input");
|
|
fileInput.type = "file";
|
|
fileInput.accept = ".wav";
|
|
fileInput.onchange = () => {
|
|
if (fileInput.files !== null) {
|
|
processFile(fileInput.files.item(0));
|
|
}
|
|
};
|
|
fileInput.click();
|
|
}
|
|
|
|
dropElement.addEventListener("dragover", handleDragOver, false);
|
|
dropElement.addEventListener("drop", handleFileSelect, false);
|
|
dropElement.addEventListener("click", handleClick, false);
|
|
exportButton.addEventListener("click", exportAsTSV, false);
|