Thanks, was this covered under warranty? Did it totally fix the tapping?

Hi guys The engine on my Nissan Qashqai 1.2 Automatic 1.2 Dig-T Xtronic (Petrol) is tapping on idle as in this video ... https://www.youtube.com/watch?v=seH_cJ_yvMU&feature=youtu.be Is this normal? Also, there seems to be a flappy noise when accelerating from low speed. It's got 9k miles on it, ...