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Recalculate durations when speed is changed

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This commit is contained in:
Jackson Harper 2022-09-12 13:00:22 +08:00
parent 65c77a9bdf
commit 8c4c88a51a
2 changed files with 5 additions and 6 deletions
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9
apple/OmnivoreKit/Sources/Services/AudioSession/AudioController.swift
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@ -160,7 +160,7 @@ public class AudioController: NSObject, ObservableObject, AVAudioPlayerDelegate
func updateDuration(forItem item: SpeechItem, newDuration: TimeInterval) {
if let durations = self.durations, item.audioIdx < durations.count {
self.durations?[item.audioIdx] = newDuration
self.durations?[item.audioIdx] = (newDuration / playbackRate)
}
}
@ -280,7 +280,7 @@ public class AudioController: NSObject, ObservableObject, AVAudioPlayerDelegate
player = AVQueuePlayer(items: [])
let synthesizer = SpeechSynthesizer(appEnvironment: appEnvironment, networker: networker, document: document!)
durations = synthesizer.estimatedDurations(forSpeed: 1.0)
durations = synthesizer.estimatedDurations(forSpeed: playbackRate)
self.synthesizer = synthesizer
synthesizeFrom(start: 0, playWhenReady: true)
@ -297,8 +297,7 @@ public class AudioController: NSObject, ObservableObject, AVAudioPlayerDelegate
// TODO: in here we need to supply an offset into the playeritem when seeking
if playWhenReady, self.player?.items().count == 1 {
self.startTimer()
self.player?.play()
self.state = .playing
self.unpause()
self.setupRemoteControl()
self.fireTimer()
}
@ -317,7 +316,7 @@ public class AudioController: NSObject, ObservableObject, AVAudioPlayerDelegate
public func unpause() {
if let player = player {
player.play()
player.rate = Float(playbackRate)
state = .playing
}
}

2
apple/OmnivoreKit/Sources/Services/AudioSession/SpeechSynthesizer.swift
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@ -43,7 +43,7 @@ struct SpeechDocument: Decodable {
public let utterances: [Utterance]
public func estimatedDuration(utterance: Utterance, speed: Double) -> Double {
utterance.wordCount / averageWPM * speed * 60.0
utterance.wordCount / averageWPM / speed * 60.0
}
var audioDirectory: URL {