const fs = require('fs'); const { createWorker } = require('../../src'); const worker = createWorker({ logger: ({ message }) => console.log(message), }); (async () => { await worker.load(); console.log('Start hstack'); await worker.write('flame.avi', '../../tests/assets/flame.avi'); await worker.run('-i flame.avi -i flame.avi -filter_complex hstack flame.mp4'); const { data } = await worker.read('flame.mp4'); console.log('Complete hstack'); fs.writeFileSync('flame.mp4', Buffer.from(data)); await worker.terminate(); })();