Guys try this instead, helped me, using layerClass seems to be an issue, not sure why this works though
yaroslavlvov
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AVPlayer is not properly deinited and continues playing in background when AVPictureInPictureController is used for pip mode. Manualy removing all strong references to AVPlayer does not help
Also found the same issue here
http://www.openradar.me/FB8561088#ag9zfm9wZW5yYWRhci1ocmRyFAsSB0NvbW1lbnQYgICA2qbY-ggM
Having the same issue. Did u manage to find out what the problem is?