konowebcodecs/apps/node-ts/ffmpeg/transcode-audio.ts

18 lines
501 B
TypeScript

import fs from "node:fs";
import path from "node:path";
import createFFmpeg from "@ffmpeg/ffmpeg";
void (async () => {
const wav = Uint8Array.from(
fs.readFileSync(path.join(__dirname, "../../../testdata/audio-15s.wav"))
);
const ffmpeg = await createFFmpeg();
ffmpeg.setProgress((progress) =>
console.log(`transcoding progress: ${progress * 100} %`)
);
ffmpeg.FS.writeFile("audio.wav", wav);
console.log("return code: ", ffmpeg.exec(["-i", "audio.wav", "audio.mp4"]));
})();