2021-10-06 01:50:09 +05:30
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import AVKit
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import Defaults
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2021-06-14 23:35:02 +05:30
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import Foundation
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import Logging
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2021-10-29 01:48:23 +05:30
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import MediaPlayer
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2021-07-12 02:22:49 +05:30
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#if !os(macOS)
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import UIKit
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#endif
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2021-10-17 04:18:58 +05:30
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import Siesta
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import SwiftUI
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import SwiftyJSON
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2021-06-14 23:35:02 +05:30
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2021-09-25 13:48:22 +05:30
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final class PlayerModel: ObservableObject {
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static let availableRates: [Float] = [0.5, 0.67, 0.8, 1, 1.25, 1.5, 2]
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let logger = Logger(label: "stream.yattee.app")
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private(set) var player = AVPlayer()
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2021-10-28 22:44:55 +05:30
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private(set) var playerView = Player()
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var controller: PlayerViewController? { didSet { playerView.controller = controller } }
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2021-10-06 01:50:09 +05:30
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#if os(tvOS)
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var avPlayerViewController: AVPlayerViewController?
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#endif
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2021-11-05 20:28:51 +05:30
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@Published var presentingPlayer = false { didSet { pauseOnPlayerDismiss() } }
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@Published var stream: Stream?
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@Published var currentRate: Float = 1.0 { didSet { player.rate = currentRate } }
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@Published var availableStreams = [Stream]() { didSet { rebuildTVMenu() } }
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@Published var streamSelection: Stream? { didSet { rebuildTVMenu() } }
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@Published var queue = [PlayerQueueItem]() { didSet { Defaults[.queue] = queue } }
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@Published var currentItem: PlayerQueueItem! { didSet { Defaults[.lastPlayed] = currentItem } }
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@Published var history = [PlayerQueueItem]() { didSet { Defaults[.history] = history } }
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@Published var savedTime: CMTime?
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@Published var playerNavigationLinkActive = false
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@Published var sponsorBlock = SponsorBlockAPI()
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@Published var segmentRestorationTime: CMTime?
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@Published var lastSkipped: Segment? { didSet { rebuildTVMenu() } }
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@Published var restoredSegments = [Segment]()
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var accounts: AccountsModel
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var instances: InstancesModel
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var composition = AVMutableComposition()
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private var currentArtwork: MPMediaItemArtwork?
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private var frequentTimeObserver: Any?
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private var infrequentTimeObserver: Any?
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private var playerTimeControlStatusObserver: Any?
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private var statusObservation: NSKeyValueObservation?
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private var timeObserverThrottle = Throttle(interval: 2)
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var playingInPictureInPicture = false
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init(accounts: AccountsModel? = nil, instances: InstancesModel? = nil) {
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self.accounts = accounts ?? AccountsModel()
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self.instances = instances ?? InstancesModel()
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addItemDidPlayToEndTimeObserver()
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addFrequentTimeObserver()
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addInfrequentTimeObserver()
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addPlayerTimeControlStatusObserver()
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}
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func presentPlayer() {
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presentingPlayer = true
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}
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var isPlaying: Bool {
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player.timeControlStatus == .playing
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}
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var time: CMTime? {
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currentItem?.playbackTime
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}
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var live: Bool {
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currentItem?.video?.live ?? false
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}
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var playerItemDuration: CMTime? {
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player.currentItem?.asset.duration
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}
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var videoDuration: TimeInterval? {
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currentItem?.duration ?? currentVideo?.length
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}
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func togglePlay() {
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isPlaying ? pause() : play()
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}
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func play() {
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guard player.timeControlStatus != .playing else {
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return
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}
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player.play()
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}
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func pause() {
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guard player.timeControlStatus != .paused else {
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return
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}
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player.pause()
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}
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func upgradeToStream(_ stream: Stream) {
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if !self.stream.isNil, self.stream != stream {
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playStream(stream, of: currentVideo!, preservingTime: true)
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}
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}
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func playStream(
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_ stream: Stream,
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of video: Video,
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preservingTime: Bool = false
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) {
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resetSegments()
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sponsorBlock.loadSegments(videoID: video.videoID, categories: Defaults[.sponsorBlockCategories])
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if let url = stream.singleAssetURL {
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logger.info("playing stream with one asset\(stream.kind == .hls ? " (HLS)" : ""): \(url)")
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insertPlayerItem(stream, for: video, preservingTime: preservingTime)
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} else {
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logger.info("playing stream with many assets:")
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logger.info("composition audio asset: \(stream.audioAsset.url)")
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logger.info("composition video asset: \(stream.videoAsset.url)")
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Task {
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await self.loadComposition(stream, of: video, preservingTime: preservingTime)
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}
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}
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updateCurrentArtwork()
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}
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private func pauseOnPlayerDismiss() {
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if !playingInPictureInPicture, !presentingPlayer {
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DispatchQueue.main.asyncAfter(deadline: .now() + 0.5) {
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self.pause()
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}
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}
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}
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private func insertPlayerItem(
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_ stream: Stream,
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for video: Video,
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preservingTime: Bool = false
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) {
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let playerItem = playerItem(stream)
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guard playerItem != nil else {
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return
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}
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attachMetadata(to: playerItem!, video: video, for: stream)
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DispatchQueue.main.async { [weak self] in
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guard let self = self else {
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return
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}
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self.stream = stream
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self.composition = AVMutableComposition()
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}
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let startPlaying = {
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#if !os(macOS)
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try? AVAudioSession.sharedInstance().setActive(true)
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#endif
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2021-11-02 03:26:18 +05:30
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if self.isAutoplaying(playerItem!) {
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DispatchQueue.main.asyncAfter(deadline: .now() + 0.3) { [weak self] in
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self?.play()
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}
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}
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}
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2021-10-23 02:19:31 +05:30
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let replaceItemAndSeek = {
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self.player.replaceCurrentItem(with: playerItem)
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self.seekToSavedTime { finished in
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guard finished else {
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return
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}
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self.savedTime = nil
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startPlaying()
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}
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}
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if preservingTime {
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if savedTime.isNil {
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saveTime {
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replaceItemAndSeek()
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startPlaying()
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}
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} else {
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replaceItemAndSeek()
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startPlaying()
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}
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} else {
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player.replaceCurrentItem(with: playerItem)
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startPlaying()
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}
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}
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private func loadComposition(
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_ stream: Stream,
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of video: Video,
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preservingTime: Bool = false
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) async {
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await loadCompositionAsset(stream.audioAsset, type: .audio, of: video)
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await loadCompositionAsset(stream.videoAsset, type: .video, of: video)
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guard streamSelection == stream else {
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logger.critical("IGNORING LOADED")
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return
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}
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2021-10-23 02:19:31 +05:30
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insertPlayerItem(stream, for: video, preservingTime: preservingTime)
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}
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private func loadCompositionAsset(
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_ asset: AVURLAsset,
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type: AVMediaType,
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of video: Video
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) async {
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async let assetTracks = asset.loadTracks(withMediaType: type)
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logger.info("loading \(type.rawValue) track")
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guard let compositionTrack = composition.addMutableTrack(
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withMediaType: type,
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preferredTrackID: kCMPersistentTrackID_Invalid
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) else {
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logger.critical("composition \(type.rawValue) addMutableTrack FAILED")
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return
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}
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2021-10-17 04:18:58 +05:30
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guard let assetTrack = try? await assetTracks.first else {
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logger.critical("asset \(type.rawValue) track FAILED")
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return
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}
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try! compositionTrack.insertTimeRange(
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CMTimeRange(start: .zero, duration: CMTime.secondsInDefaultTimescale(video.length)),
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of: assetTrack,
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at: .zero
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)
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logger.critical("\(type.rawValue) LOADED")
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}
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private func playerItem(_ stream: Stream) -> AVPlayerItem? {
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if let url = stream.singleAssetURL {
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return AVPlayerItem(asset: AVURLAsset(url: url))
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} else {
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return AVPlayerItem(asset: composition)
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}
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}
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2021-07-22 18:13:13 +05:30
|
|
|
|
|
2021-10-17 04:18:58 +05:30
|
|
|
|
private func attachMetadata(to item: AVPlayerItem, video: Video, for _: Stream? = nil) {
|
2021-07-22 18:13:13 +05:30
|
|
|
|
#if !os(macOS)
|
2021-10-17 04:18:58 +05:30
|
|
|
|
var externalMetadata = [
|
|
|
|
|
makeMetadataItem(.commonIdentifierTitle, value: video.title),
|
2021-10-21 03:51:50 +05:30
|
|
|
|
makeMetadataItem(.quickTimeMetadataGenre, value: video.genre ?? ""),
|
|
|
|
|
makeMetadataItem(.commonIdentifierDescription, value: video.description ?? "")
|
2021-10-17 04:18:58 +05:30
|
|
|
|
]
|
2021-10-06 01:50:09 +05:30
|
|
|
|
if let thumbnailData = try? Data(contentsOf: video.thumbnailURL(quality: .medium)!),
|
2021-07-22 18:13:13 +05:30
|
|
|
|
let image = UIImage(data: thumbnailData),
|
|
|
|
|
let pngData = image.pngData()
|
|
|
|
|
{
|
|
|
|
|
let artworkItem = makeMetadataItem(.commonIdentifierArtwork, value: pngData)
|
|
|
|
|
externalMetadata.append(artworkItem)
|
|
|
|
|
}
|
2021-06-16 02:51:57 +05:30
|
|
|
|
|
2021-10-17 04:18:58 +05:30
|
|
|
|
item.externalMetadata = externalMetadata
|
2021-07-22 18:13:13 +05:30
|
|
|
|
#endif
|
2021-06-16 02:51:57 +05:30
|
|
|
|
|
2021-10-17 04:18:58 +05:30
|
|
|
|
item.preferredForwardBufferDuration = 5
|
2021-06-16 02:51:57 +05:30
|
|
|
|
|
2021-10-06 01:50:09 +05:30
|
|
|
|
statusObservation?.invalidate()
|
2021-10-24 23:31:08 +05:30
|
|
|
|
statusObservation = item.observe(\.status, options: [.old, .new]) { [weak self] playerItem, _ in
|
|
|
|
|
guard let self = self else {
|
|
|
|
|
return
|
|
|
|
|
}
|
|
|
|
|
|
2021-10-06 01:50:09 +05:30
|
|
|
|
switch playerItem.status {
|
|
|
|
|
case .readyToPlay:
|
2021-10-24 23:31:08 +05:30
|
|
|
|
if self.isAutoplaying(playerItem) {
|
2021-10-17 04:18:58 +05:30
|
|
|
|
self.play()
|
2021-10-06 01:50:09 +05:30
|
|
|
|
}
|
2021-10-17 04:18:58 +05:30
|
|
|
|
case .failed:
|
|
|
|
|
print("item error: \(String(describing: item.error))")
|
|
|
|
|
print((item.asset as! AVURLAsset).url)
|
|
|
|
|
|
2021-10-06 01:50:09 +05:30
|
|
|
|
default:
|
|
|
|
|
return
|
|
|
|
|
}
|
2021-06-18 15:47:01 +05:30
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
2021-10-17 04:18:58 +05:30
|
|
|
|
#if !os(macOS)
|
|
|
|
|
private func makeMetadataItem(_ identifier: AVMetadataIdentifier, value: Any) -> AVMetadataItem {
|
|
|
|
|
let item = AVMutableMetadataItem()
|
|
|
|
|
|
|
|
|
|
item.identifier = identifier
|
|
|
|
|
item.value = value as? NSCopying & NSObjectProtocol
|
|
|
|
|
item.extendedLanguageTag = "und"
|
|
|
|
|
|
|
|
|
|
return item.copy() as! AVMetadataItem
|
|
|
|
|
}
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
private func addItemDidPlayToEndTimeObserver() {
|
2021-10-06 01:50:09 +05:30
|
|
|
|
NotificationCenter.default.addObserver(
|
|
|
|
|
self,
|
|
|
|
|
selector: #selector(itemDidPlayToEndTime),
|
|
|
|
|
name: NSNotification.Name.AVPlayerItemDidPlayToEndTime,
|
|
|
|
|
object: nil
|
|
|
|
|
)
|
2021-06-18 15:47:01 +05:30
|
|
|
|
}
|
|
|
|
|
|
2021-10-06 01:50:09 +05:30
|
|
|
|
@objc func itemDidPlayToEndTime() {
|
2021-10-24 23:31:08 +05:30
|
|
|
|
currentItem.playbackTime = playerItemDuration
|
|
|
|
|
|
2021-10-06 01:50:09 +05:30
|
|
|
|
if queue.isEmpty {
|
2021-10-25 03:56:25 +05:30
|
|
|
|
#if !os(macOS)
|
|
|
|
|
try? AVAudioSession.sharedInstance().setActive(false)
|
|
|
|
|
#endif
|
2021-10-23 02:19:31 +05:30
|
|
|
|
addCurrentItemToHistory()
|
2021-10-06 01:50:09 +05:30
|
|
|
|
resetQueue()
|
|
|
|
|
#if os(tvOS)
|
2021-10-24 23:31:08 +05:30
|
|
|
|
avPlayerViewController!.dismiss(animated: true) { [weak self] in
|
|
|
|
|
self?.controller!.dismiss(animated: true)
|
2021-10-06 01:50:09 +05:30
|
|
|
|
}
|
|
|
|
|
#endif
|
|
|
|
|
presentingPlayer = false
|
|
|
|
|
} else {
|
|
|
|
|
advanceToNextItem()
|
2021-06-16 02:51:57 +05:30
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
2021-10-17 04:18:58 +05:30
|
|
|
|
private func saveTime(completionHandler: @escaping () -> Void = {}) {
|
|
|
|
|
let currentTime = player.currentTime()
|
|
|
|
|
|
|
|
|
|
guard currentTime.seconds > 0 else {
|
|
|
|
|
return
|
|
|
|
|
}
|
|
|
|
|
|
2021-10-24 23:31:08 +05:30
|
|
|
|
DispatchQueue.main.async { [weak self] in
|
|
|
|
|
self?.savedTime = currentTime
|
2021-10-17 04:18:58 +05:30
|
|
|
|
completionHandler()
|
2021-06-18 04:13:29 +05:30
|
|
|
|
}
|
2021-10-17 04:18:58 +05:30
|
|
|
|
}
|
2021-07-22 18:13:13 +05:30
|
|
|
|
|
2021-10-17 04:18:58 +05:30
|
|
|
|
private func seekToSavedTime(completionHandler: @escaping (Bool) -> Void = { _ in }) {
|
|
|
|
|
guard let time = savedTime else {
|
|
|
|
|
return
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
player.seek(
|
|
|
|
|
to: time,
|
2021-10-24 23:31:08 +05:30
|
|
|
|
toleranceBefore: .secondsInDefaultTimescale(1),
|
2021-10-17 04:18:58 +05:30
|
|
|
|
toleranceAfter: .zero,
|
|
|
|
|
completionHandler: completionHandler
|
|
|
|
|
)
|
2021-06-18 04:13:29 +05:30
|
|
|
|
}
|
|
|
|
|
|
2021-10-24 23:31:08 +05:30
|
|
|
|
private func addFrequentTimeObserver() {
|
|
|
|
|
let interval = CMTime.secondsInDefaultTimescale(0.5)
|
|
|
|
|
|
|
|
|
|
frequentTimeObserver = player.addPeriodicTimeObserver(
|
|
|
|
|
forInterval: interval,
|
|
|
|
|
queue: .main
|
|
|
|
|
) { [weak self] _ in
|
|
|
|
|
guard let self = self else {
|
|
|
|
|
return
|
|
|
|
|
}
|
2021-06-20 01:40:14 +05:30
|
|
|
|
|
2021-10-23 22:19:45 +05:30
|
|
|
|
guard !self.currentItem.isNil else {
|
|
|
|
|
return
|
|
|
|
|
}
|
|
|
|
|
|
2021-11-03 01:10:49 +05:30
|
|
|
|
#if !os(tvOS)
|
|
|
|
|
self.updateNowPlayingInfo()
|
|
|
|
|
#endif
|
|
|
|
|
|
2021-10-24 23:31:08 +05:30
|
|
|
|
self.handleSegments(at: self.player.currentTime())
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
private func addInfrequentTimeObserver() {
|
|
|
|
|
let interval = CMTime.secondsInDefaultTimescale(5)
|
2021-10-23 22:19:45 +05:30
|
|
|
|
|
2021-10-24 23:31:08 +05:30
|
|
|
|
infrequentTimeObserver = player.addPeriodicTimeObserver(
|
|
|
|
|
forInterval: interval,
|
|
|
|
|
queue: .main
|
|
|
|
|
) { [weak self] _ in
|
|
|
|
|
guard let self = self else {
|
|
|
|
|
return
|
|
|
|
|
}
|
2021-10-23 22:19:45 +05:30
|
|
|
|
|
2021-10-24 23:31:08 +05:30
|
|
|
|
guard !self.currentItem.isNil else {
|
|
|
|
|
return
|
|
|
|
|
}
|
|
|
|
|
|
2021-10-26 02:59:06 +05:30
|
|
|
|
self.timeObserverThrottle.execute {
|
|
|
|
|
self.updateCurrentItemIntervals()
|
|
|
|
|
}
|
2021-06-18 04:13:29 +05:30
|
|
|
|
}
|
2021-06-17 00:42:41 +05:30
|
|
|
|
}
|
2021-10-24 19:31:36 +05:30
|
|
|
|
|
2021-10-24 23:31:08 +05:30
|
|
|
|
private func addPlayerTimeControlStatusObserver() {
|
|
|
|
|
playerTimeControlStatusObserver = player.observe(\.timeControlStatus) { [weak self] player, _ in
|
|
|
|
|
guard let self = self,
|
|
|
|
|
self.player == player
|
|
|
|
|
else {
|
|
|
|
|
return
|
|
|
|
|
}
|
|
|
|
|
|
2021-10-26 02:59:06 +05:30
|
|
|
|
if player.timeControlStatus != .waitingToPlayAtSpecifiedRate {
|
|
|
|
|
self.objectWillChange.send()
|
|
|
|
|
}
|
2021-10-24 23:31:08 +05:30
|
|
|
|
|
2021-11-02 22:54:59 +05:30
|
|
|
|
if player.timeControlStatus == .playing, player.rate != self.currentRate {
|
|
|
|
|
player.rate = self.currentRate
|
|
|
|
|
}
|
|
|
|
|
|
2021-11-02 16:31:45 +05:30
|
|
|
|
#if os(macOS)
|
|
|
|
|
if player.timeControlStatus == .playing {
|
|
|
|
|
ScreenSaverManager.shared.disable(reason: "Yattee is playing video")
|
|
|
|
|
} else {
|
|
|
|
|
ScreenSaverManager.shared.enable()
|
|
|
|
|
}
|
|
|
|
|
#endif
|
2021-10-26 02:59:06 +05:30
|
|
|
|
|
2021-11-02 16:31:45 +05:30
|
|
|
|
self.timeObserverThrottle.execute {
|
2021-10-26 02:59:06 +05:30
|
|
|
|
self.updateCurrentItemIntervals()
|
|
|
|
|
}
|
2021-10-24 19:31:36 +05:30
|
|
|
|
}
|
2021-10-24 23:31:08 +05:30
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
private func updateCurrentItemIntervals() {
|
|
|
|
|
currentItem?.playbackTime = player.currentTime()
|
|
|
|
|
currentItem?.videoDuration = player.currentItem?.asset.duration.seconds
|
|
|
|
|
}
|
2021-10-29 01:48:23 +05:30
|
|
|
|
|
|
|
|
|
fileprivate func updateNowPlayingInfo() {
|
2021-11-06 01:05:27 +05:30
|
|
|
|
let duration: Int? = currentItem.video.live ? nil : Int(currentItem.videoDuration ?? 0)
|
2021-10-29 01:48:23 +05:30
|
|
|
|
let nowPlayingInfo: [String: AnyObject] = [
|
|
|
|
|
MPMediaItemPropertyTitle: currentItem.video.title as AnyObject,
|
|
|
|
|
MPMediaItemPropertyArtist: currentItem.video.author as AnyObject,
|
|
|
|
|
MPMediaItemPropertyArtwork: currentArtwork as AnyObject,
|
2021-11-06 01:05:27 +05:30
|
|
|
|
MPMediaItemPropertyPlaybackDuration: duration as AnyObject,
|
2021-11-02 03:26:18 +05:30
|
|
|
|
MPNowPlayingInfoPropertyIsLiveStream: currentItem.video.live as AnyObject,
|
2021-10-29 01:48:23 +05:30
|
|
|
|
MPNowPlayingInfoPropertyElapsedPlaybackTime: player.currentTime().seconds as AnyObject,
|
|
|
|
|
MPNowPlayingInfoPropertyPlaybackQueueCount: queue.count as AnyObject,
|
|
|
|
|
MPMediaItemPropertyMediaType: MPMediaType.anyVideo.rawValue as AnyObject
|
|
|
|
|
]
|
|
|
|
|
|
|
|
|
|
MPNowPlayingInfoCenter.default().nowPlayingInfo = nowPlayingInfo
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
private func updateCurrentArtwork() {
|
|
|
|
|
guard let thumbnailData = try? Data(contentsOf: currentItem.video.thumbnailURL(quality: .medium)!) else {
|
|
|
|
|
return
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#if os(macOS)
|
|
|
|
|
let image = NSImage(data: thumbnailData)
|
|
|
|
|
#else
|
|
|
|
|
let image = UIImage(data: thumbnailData)
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
if image.isNil {
|
|
|
|
|
return
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
currentArtwork = MPMediaItemArtwork(boundsSize: image!.size) { _ in image! }
|
|
|
|
|
}
|
2021-11-02 22:54:59 +05:30
|
|
|
|
|
|
|
|
|
func rateLabel(_ rate: Float) -> String {
|
|
|
|
|
let formatter = NumberFormatter()
|
|
|
|
|
formatter.minimumFractionDigits = 0
|
|
|
|
|
formatter.maximumFractionDigits = 2
|
|
|
|
|
|
|
|
|
|
return "\(formatter.string(from: NSNumber(value: rate))!)×"
|
|
|
|
|
}
|
2021-06-14 23:35:02 +05:30
|
|
|
|
}
|