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75 lines
2.0 KiB
Swift
75 lines
2.0 KiB
Swift
//
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// Copyright (c) 2018 Open Whisper Systems. All rights reserved.
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//
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import Foundation
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import AVFoundation
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@objc
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protocol OWSVideoPlayerDelegate: class {
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@available(iOSApplicationExtension 9.0, *)
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func videoPlayerDidPlayToCompletion(_ videoPlayer: OWSVideoPlayer)
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}
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@objc
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public class OWSVideoPlayer: NSObject {
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let avPlayer: AVPlayer
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let audioActivity: AudioActivity
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weak var delegate: OWSVideoPlayerDelegate?
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@available(iOS 9.0, *)
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init(url: URL) {
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self.avPlayer = AVPlayer(url: url)
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self.audioActivity = AudioActivity(audioDescription: "[OWSVideoPlayer] url:\(url)")
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super.init()
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NotificationCenter.default.addObserver(self,
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selector: #selector(playerItemDidPlayToCompletion(_:)),
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name: NSNotification.Name.AVPlayerItemDidPlayToEndTime,
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object: avPlayer.currentItem)
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}
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// MARK: Playback Controls
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@available(iOS 9.0, *)
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public func pause() {
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avPlayer.pause()
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OWSAudioSession.shared.endAudioActivity(self.audioActivity)
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}
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@available(iOS 9.0, *)
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public func play() {
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OWSAudioSession.shared.setPlaybackCategory(audioActivity: self.audioActivity)
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guard let item = avPlayer.currentItem else {
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owsFail("\(logTag) video player item was unexpectedly nil")
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return
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}
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if item.currentTime() == item.duration {
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// Rewind for repeated plays, but only if it previously played to end.
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avPlayer.seek(to: kCMTimeZero)
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}
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avPlayer.play()
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}
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@available(iOS 9.0, *)
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@objc(seekToTime:)
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public func seek(to time: CMTime) {
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avPlayer.seek(to: time)
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}
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// MARK: private
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@objc
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@available(iOS 9.0, *)
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private func playerItemDidPlayToCompletion(_ notification: Notification) {
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self.delegate?.videoPlayerDidPlayToCompletion(self)
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OWSAudioSession.shared.endAudioActivity(self.audioActivity)
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}
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}
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