konowebcodecs/packages/ffmpeg/examples/node/concatDemuxer.js
2022-09-13 17:23:21 +08:00

14 lines
519 B
JavaScript
Executable File

const fs = require('fs');
const { createFFmpeg, fetchFile } = require('../../src');
const ffmpeg = createFFmpeg({ log: true });
(async () => {
await ffmpeg.load();
ffmpeg.FS('writeFile', 'flame.avi', await fetchFile('../assets/flame.avi'));
ffmpeg.FS('writeFile', 'concat_list.txt', 'file flame.avi\nfile flame.avi');
await ffmpeg.run('-f', 'concat', '-safe', '0', '-i', 'concat_list.txt', 'flame.mp4');
await fs.promises.writeFile('flame.mp4', ffmpeg.FS('readFile', 'flame.mp4'));
process.exit(0);
})();