Hard to tell on YouTube. Is it cold? I wouldn't say anything is out of the ordinary. I have a 6 cylinder diesel and when cold it sounds like a bloody tractor. However when it heats up its amazingly quite. A 4 cylinder (like you have) will not sound near as smooth. I'd day your engine is fine. Don't forget the age of the engine.
Putting a video on YouTube and posting it on a forum is good for some indications. However take everything with a grain of salt