const { exec } = require('child_process'); exec('ffmpeg -version', (error, stdout, stderr) => { if (error) { console.log('FFmpeg is not installed. Installing FFmpeg...'); exec('apt update && sudo apt install -y ffmpeg', (installError, installStdout, installStderr) => { if (installError) { console.error(`Error installing FFmpeg: ${installError}`); return; } console.log('FFmpeg installed successfully.'); }); } else { console.log('FFmpeg is already installed.'); } });