title: Can we combine multiple html5 <video> streams into one .mp4 file?
body: <p>I have two videos one for streaming my <strong>webcam</strong> and the other to share my desktop <strong>screen/window</strong>. I need to <strong>combine these two media streams</strong> into one so that I can <strong>save it as an .mp4 file</strong> and broadcast it over <strong>WebRTC</strong>.</p>