AVPlayer Stalls Main Thread While Scrolling

Originator:fyun
Number:rdar://27757714 Date Originated:8/8/2016
Status:Open Resolved:
Product:iOS Product Version:iOS 8,9
Classification:Performance Reproducible:Yes
 
We have AVPlayer in an UITableViewCell. The AVPlayer will start to play once the tabview cell is visible and stop once the table view cell is invisible. We found there are frame loss whenever we init/attach/play/pause/dealloc the player. And reading property like accessLog will stall the main thread too.

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