metatext/Caches/PlayerCache.swift

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// Copyright © 2020 Metabolist. All rights reserved.
import AVKit
final class PlayerCache {
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private let cache = NSCache<NSURL, AVPlayer>()
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private var allURLsCached = Set<URL>()
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private init() {
cache.countLimit = 4
}
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}
extension PlayerCache {
static let shared = PlayerCache()
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func player(url: URL) -> AVPlayer {
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if let player = cache.object(forKey: url as NSURL) {
return player
}
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let player = AVPlayer(url: url)
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cache.setObject(player, forKey: url as NSURL)
allURLsCached.insert(url)
return player
}
}