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Configure time observer on the main queue

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ronaldheft 2022-08-25 18:31:09 -04:00
parent 7cf36d829a
commit 3e31e72734
1 changed files with 17 additions and 14 deletions
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31
ios/App/Shared/player/AudioPlayer.swift
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@ -137,21 +137,24 @@ class AudioPlayer: NSObject {
}
private func setupTimeObserver() {
removeTimeObserver()
let timeScale = CMTimeScale(NSEC_PER_SEC)
// Rate will be different depending on playback speed, aim for 2 observations/sec
let seconds = 0.5 * (self.rate > 0 ? self.rate : 1.0)
let time = CMTime(seconds: Double(seconds), preferredTimescale: timeScale)
self.timeObserverToken = self.audioPlayer.addPeriodicTimeObserver(forInterval: time, queue: queue) { [weak self] time in
Task {
// Let the player update the current playback positions
await PlayerProgress.shared.syncFromPlayer(currentTime: time.seconds, includesPlayProgress: true, isStopping: false)
}
// Time observer should be configured on the main queue
DispatchQueue.main.sync {
self.removeTimeObserver()
// Update the sleep time, if set
if self?.sleepTimeStopAt != nil {
NotificationCenter.default.post(name: NSNotification.Name(PlayerEvents.sleepSet.rawValue), object: nil)
let timeScale = CMTimeScale(NSEC_PER_SEC)
// Rate will be different depending on playback speed, aim for 2 observations/sec
let seconds = 0.5 * (self.rate > 0 ? self.rate : 1.0)
let time = CMTime(seconds: Double(seconds), preferredTimescale: timeScale)
self.timeObserverToken = self.audioPlayer.addPeriodicTimeObserver(forInterval: time, queue: queue) { [weak self] time in
Task {
// Let the player update the current playback positions
await PlayerProgress.shared.syncFromPlayer(currentTime: time.seconds, includesPlayProgress: true, isStopping: false)
}
// Update the sleep time, if set
if self?.sleepTimeStopAt != nil {
NotificationCenter.default.post(name: NSNotification.Name(PlayerEvents.sleepSet.rawValue), object: nil)
}
}
}
}