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Voicing selected words and phrases from Longman #62: Create AVAudioNe…
…tPlayer to play network audio.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,49 @@ | ||
| // | ||
| // AVAudioPlayer.swift | ||
| // ReaderTranslator | ||
| // | ||
| // Created by Viktor Kushnerov on 20/1/20. | ||
| // Copyright © 2020 Viktor Kushnerov. All rights reserved. | ||
| // | ||
|
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| import AVFoundation | ||
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| class AVAudioNetPlayer { | ||
| public var delegate: AVAudioNetPlayerDelegate? | ||
| private var player: AVAudioPlayer? | ||
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| func play(url: URL) { | ||
| URLSession.shared.dataTask(with: url, completionHandler: self.load).resume() | ||
| } | ||
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| private func load(data: Data?, response: URLResponse?, error: Error?) { | ||
| guard let data = data else { | ||
| Logger.log(value: (response?.url, error)) | ||
| self.delegate?.audioPlayerLoadErrorDidOccur() | ||
| return | ||
| } | ||
| self.delegate?.audioPlayerLoadDidFinishDidOccur() | ||
| createAVAudioPlayer(data: data) | ||
| } | ||
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| private func createAVAudioPlayer(data: Data) { | ||
| do { | ||
| self.player = try AVAudioPlayer(data: data) | ||
| if let player = self.player { | ||
| player.delegate = self.delegate | ||
| self.delegate?.audioPlayerCreateSuccessOccur(player: player) | ||
| } | ||
| } catch { | ||
| Logger.log(value: error) | ||
| self.delegate?.audioPlayerCreateErrorDidOccur() | ||
| } | ||
| } | ||
| } | ||
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| protocol AVAudioNetPlayerDelegate: AVAudioPlayerDelegate { | ||
| func audioPlayerLoadDidFinishDidOccur() | ||
| func audioPlayerLoadErrorDidOccur() | ||
|
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| func audioPlayerCreateSuccessOccur(player: AVAudioPlayer) | ||
| func audioPlayerCreateErrorDidOccur() | ||
| } |
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