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);
})();