const { createFFmpeg } = FFmpeg; const ffmpeg = createFFmpeg(OPTIONS); before(async function cb() { this.timeout(0); await ffmpeg.load(); }); describe('transcode()', () => { describe('should transcode different format', () => { [1, 2, 4].forEach((n) => { [ { from: 'flame.avi', to: 'flame.mp4' }, { from: 'flame.avi', to: 'flame.webm' }, { from: 'StarWars3.wav', to: 'StarWars3.mp3' }, ].forEach(({ from, to }) => ( it(`transcode ${from} to ${to} (${n} threads)`, async () => { await ffmpeg.write(from, `${BASE_URL}/${from}`); await ffmpeg.transcode(from, to, `-threads ${n}`); const data = ffmpeg.read(to); ffmpeg.remove(to); expect(data.length).not.to.be(0); }).timeout(TIMEOUT) )); }); }); });