Technical Stilo 1.6 is this cam timing problem sound?

[okayovip55]

I've recently been hearing this sound,but only when the engine is slightly warmed up. The sound gets loudly along with accelerating and comes from left side of engine. Do you guys think it is cam timing problem?

Thanks!
youtu.be/HkTiyoWyPQE
youtu.be/valSLKpOdP0