How to stop animation when adding default display view in playerview

[userSV]

When the default player view is being added to the player view, it show a strange animation while adding. How to remove this animation.
The code for adding view is:
self.displayView.snp.makeConstraints {(make) in
make.top.equalTo(view.snp.top)
make.left.equalTo(view.snp.left)
make.right.equalTo(view.snp.right)
make.bottom.equalTo(view.snp.bottom)
}