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Utils.swift
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Utils.swift
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import AVKit
extension String {
func deletingPrefix(_ prefix: String) -> String {
guard self.hasPrefix(prefix) else { return self }
return String(self.dropFirst(prefix.count))
}
}
func toCMTime(millis: Int) -> CMTime {
return toCMTime(millis: Float(millis))
}
func toCMTime(millis: Double) -> CMTime {
return toCMTime(millis: Float(millis))
}
func toCMTime(millis: Float) -> CMTime {
return CMTimeMakeWithSeconds(Float64(millis) / 1000, preferredTimescale: Int32(NSEC_PER_SEC))
}
func fromCMTime(time: CMTime) -> Int {
guard CMTIME_IS_NUMERIC(time) else { return 0 }
let seconds: Float64 = CMTimeGetSeconds(time)
let milliseconds: Int = Int(seconds * 1000)
return milliseconds
}
class TimeObserver {
let player: AVPlayer
let observer: Any
init(
player: AVPlayer,
observer: Any
) {
self.player = player
self.observer = observer
}
}