client/src/assets/player/peertube-player-manager.ts

   1 import 'videojs-hotkeys/videojs.hotkeys'
   2 import 'videojs-dock'
   3 import '@peertube/videojs-contextmenu'
   4 import './upnext/end-card'
   5 import './upnext/upnext-plugin'
   6 import './stats/stats-card'
   7 import './stats/stats-plugin'
   8 import './bezels/bezels-plugin'
   9 import './peertube-plugin'
  10 import './peertube-resolutions-plugin'
  11 import './videojs-components/next-previous-video-button'
  12 import './videojs-components/p2p-info-button'
  13 import './videojs-components/peertube-link-button'
  14 import './videojs-components/peertube-load-progress-bar'
  15 import './videojs-components/resolution-menu-button'
  16 import './videojs-components/resolution-menu-item'
  17 import './videojs-components/settings-dialog'
  18 import './videojs-components/settings-menu-button'
  19 import './videojs-components/settings-menu-item'
  20 import './videojs-components/settings-panel'
  21 import './videojs-components/settings-panel-child'
  22 import './videojs-components/theater-button'
  23 import './playlist/playlist-plugin'
  24 import videojs from 'video.js'
  25 import { HlsJsEngineSettings } from '@peertube/p2p-media-loader-hlsjs'
  26 import { PluginsManager } from '@root-helpers/plugins-manager'
  27 import { buildVideoLink, decorateVideoLink } from '@shared/core-utils'
  28 import { isDefaultLocale } from '@shared/core-utils/i18n'
  29 import { VideoFile } from '@shared/models'
  30 import { copyToClipboard } from '../../root-helpers/utils'
  31 import { RedundancyUrlManager } from './p2p-media-loader/redundancy-url-manager'
  32 import { segmentUrlBuilderFactory } from './p2p-media-loader/segment-url-builder'
  33 import { segmentValidatorFactory } from './p2p-media-loader/segment-validator'
  34 import { getAverageBandwidthInStore, saveAverageBandwidth } from './peertube-player-local-storage'
  35 import {
  36   NextPreviousVideoButtonOptions,
  37   P2PMediaLoaderPluginOptions,
  38   PeerTubeLinkButtonOptions,
  39   PlayerNetworkInfo,
  40   PlaylistPluginOptions,
  41   UserWatching,
  42   VideoJSCaption,
  43   VideoJSPluginOptions
  44 } from './peertube-videojs-typings'
  45 import { TranslationsManager } from './translations-manager'
  46 import { buildVideoOrPlaylistEmbed, getRtcConfig, isIOS, isSafari } from './utils'
  47
  48 // Change 'Playback Rate' to 'Speed' (smaller for our settings menu)
  49 (videojs.getComponent('PlaybackRateMenuButton') as any).prototype.controlText_ = 'Speed'
  50
  51 const CaptionsButton = videojs.getComponent('CaptionsButton') as any
  52 // Change Captions to Subtitles/CC
  53 CaptionsButton.prototype.controlText_ = 'Subtitles/CC'
  54 // We just want to display 'Off' instead of 'captions off', keep a space so the variable == true (hacky I know)
  55 CaptionsButton.prototype.label_ = ' '
  56
  57 export type PlayerMode = 'webtorrent' | 'p2p-media-loader'
  58
  59 export type WebtorrentOptions = {
  60   videoFiles: VideoFile[]
  61 }
  62
  63 export type P2PMediaLoaderOptions = {
  64   playlistUrl: string
  65   segmentsSha256Url: string
  66   trackerAnnounce: string[]
  67   redundancyBaseUrls: string[]
  68   videoFiles: VideoFile[]
  69 }
  70
  71 export interface CustomizationOptions {
  72   startTime: number | string
  73   stopTime: number | string
  74
  75   controls?: boolean
  76   muted?: boolean
  77   loop?: boolean
  78   subtitle?: string
  79   resume?: string
  80
  81   peertubeLink: boolean
  82 }
  83
  84 export interface CommonOptions extends CustomizationOptions {
  85   playerElement: HTMLVideoElement
  86   onPlayerElementChange: (element: HTMLVideoElement) => void
  87
  88   autoplay: boolean
  89   p2pEnabled: boolean
  90
  91   nextVideo?: () => void
  92   hasNextVideo?: () => boolean
  93
  94   previousVideo?: () => void
  95   hasPreviousVideo?: () => boolean
  96
  97   playlist?: PlaylistPluginOptions
  98
  99   videoDuration: number
 100   enableHotkeys: boolean
 101   inactivityTimeout: number
 102   poster: string
 103
 104   theaterButton: boolean
 105   captions: boolean
 106
 107   videoViewUrl: string
 108   embedUrl: string
 109   embedTitle: string
 110
 111   isLive: boolean
 112
 113   language?: string
 114
 115   videoCaptions: VideoJSCaption[]
 116
 117   videoUUID: string
 118   videoShortUUID: string
 119
 120   userWatching?: UserWatching
 121
 122   serverUrl: string
 123 }
 124
 125 export type PeertubePlayerManagerOptions = {
 126   common: CommonOptions
 127   webtorrent: WebtorrentOptions
 128   p2pMediaLoader?: P2PMediaLoaderOptions
 129
 130   pluginsManager: PluginsManager
 131 }
 132
 133 export class PeertubePlayerManager {
 134   private static playerElementClassName: string
 135   private static onPlayerChange: (player: videojs.Player) => void
 136   private static alreadyPlayed = false
 137   private static pluginsManager: PluginsManager
 138
 139   static initState () {
 140     PeertubePlayerManager.alreadyPlayed = false
 141   }
 142
 143   static async initialize (mode: PlayerMode, options: PeertubePlayerManagerOptions, onPlayerChange: (player: videojs.Player) => void) {
 144     this.pluginsManager = options.pluginsManager
 145
 146     let p2pMediaLoader: any
 147
 148     this.onPlayerChange = onPlayerChange
 149     this.playerElementClassName = options.common.playerElement.className
 150
 151     if (mode === 'webtorrent') await import('./webtorrent/webtorrent-plugin')
 152     if (mode === 'p2p-media-loader') {
 153       [ p2pMediaLoader ] = await Promise.all([
 154         import('@peertube/p2p-media-loader-hlsjs'),
 155         import('./p2p-media-loader/p2p-media-loader-plugin')
 156       ])
 157     }
 158
 159     const videojsOptions = await this.getVideojsOptions(mode, options, p2pMediaLoader)
 160
 161     await TranslationsManager.loadLocaleInVideoJS(options.common.serverUrl, options.common.language, videojs)
 162
 163     const self = this
 164     return new Promise(res => {
 165       videojs(options.common.playerElement, videojsOptions, function (this: videojs.Player) {
 166         const player = this
 167
 168         let alreadyFallback = false
 169
 170         player.tech(true).one('error', () => {
 171           if (!alreadyFallback) self.maybeFallbackToWebTorrent(mode, player, options)
 172           alreadyFallback = true
 173         })
 174
 175         player.one('error', () => {
 176           if (!alreadyFallback) self.maybeFallbackToWebTorrent(mode, player, options)
 177           alreadyFallback = true
 178         })
 179
 180         player.one('play', () => {
 181           PeertubePlayerManager.alreadyPlayed = true
 182         })
 183
 184         self.addContextMenu({
 185           mode,
 186           player,
 187           videoShortUUID: options.common.videoShortUUID,
 188           videoEmbedUrl: options.common.embedUrl,
 189           videoEmbedTitle: options.common.embedTitle
 190         })
 191
 192         player.bezels()
 193         player.stats({
 194           videoUUID: options.common.videoUUID,
 195           videoIsLive: options.common.isLive,
 196           mode
 197         })
 198
 199         player.on('p2pInfo', (_, data: PlayerNetworkInfo) => {
 200           if (data.source !== 'p2p-media-loader' || isNaN(data.bandwidthEstimate)) return
 201
 202           saveAverageBandwidth(data.bandwidthEstimate)
 203         })
 204
 205         return res(player)
 206       })
 207     })
 208   }
 209
 210   private static async maybeFallbackToWebTorrent (currentMode: PlayerMode, player: any, options: PeertubePlayerManagerOptions) {
 211     if (currentMode === 'webtorrent') return
 212
 213     console.log('Fallback to webtorrent.')
 214
 215     const newVideoElement = document.createElement('video')
 216     newVideoElement.className = this.playerElementClassName
 217
 218     // VideoJS wraps our video element inside a div
 219     let currentParentPlayerElement = options.common.playerElement.parentNode
 220     // Fix on IOS, don't ask me why
 221     if (!currentParentPlayerElement) currentParentPlayerElement = document.getElementById(options.common.playerElement.id).parentNode
 222
 223     currentParentPlayerElement.parentNode.insertBefore(newVideoElement, currentParentPlayerElement)
 224
 225     options.common.playerElement = newVideoElement
 226     options.common.onPlayerElementChange(newVideoElement)
 227
 228     player.dispose()
 229
 230     await import('./webtorrent/webtorrent-plugin')
 231
 232     const mode = 'webtorrent'
 233     const videojsOptions = await this.getVideojsOptions(mode, options)
 234
 235     const self = this
 236     videojs(newVideoElement, videojsOptions, function (this: videojs.Player) {
 237       const player = this
 238
 239       self.addContextMenu({
 240         mode,
 241         player,
 242         videoShortUUID: options.common.videoShortUUID,
 243         videoEmbedUrl: options.common.embedUrl,
 244         videoEmbedTitle: options.common.embedTitle
 245       })
 246
 247       PeertubePlayerManager.onPlayerChange(player)
 248     })
 249   }
 250
 251   private static async getVideojsOptions (
 252     mode: PlayerMode,
 253     options: PeertubePlayerManagerOptions,
 254     p2pMediaLoaderModule?: any
 255   ): Promise<videojs.PlayerOptions> {
 256     const commonOptions = options.common
 257     const isHLS = mode === 'p2p-media-loader'
 258
 259     let autoplay = this.getAutoPlayValue(commonOptions.autoplay)
 260     const html5 = {
 261       preloadTextTracks: false
 262     }
 263
 264     const plugins: VideoJSPluginOptions = {
 265       peertube: {
 266         mode,
 267         autoplay, // Use peertube plugin autoplay because we could get the file by webtorrent
 268         videoViewUrl: commonOptions.videoViewUrl,
 269         videoDuration: commonOptions.videoDuration,
 270         userWatching: commonOptions.userWatching,
 271         subtitle: commonOptions.subtitle,
 272         videoCaptions: commonOptions.videoCaptions,
 273         stopTime: commonOptions.stopTime,
 274         isLive: commonOptions.isLive,
 275         videoUUID: commonOptions.videoUUID
 276       }
 277     }
 278
 279     if (commonOptions.playlist) {
 280       plugins.playlist = commonOptions.playlist
 281     }
 282
 283     if (commonOptions.enableHotkeys === true) {
 284       PeertubePlayerManager.addHotkeysOptions(plugins)
 285     }
 286
 287     if (isHLS) {
 288       const { hlsjs } = PeertubePlayerManager.addP2PMediaLoaderOptions(plugins, options, p2pMediaLoaderModule)
 289
 290       Object.assign(html5, hlsjs.html5)
 291     }
 292
 293     if (mode === 'webtorrent') {
 294       PeertubePlayerManager.addWebTorrentOptions(plugins, options)
 295
 296       // WebTorrent plugin handles autoplay, because we do some hackish stuff in there
 297       autoplay = false
 298     }
 299
 300     const videojsOptions = {
 301       html5,
 302
 303       // We don't use text track settings for now
 304       textTrackSettings: false as any, // FIXME: typings
 305       controls: commonOptions.controls !== undefined ? commonOptions.controls : true,
 306       loop: commonOptions.loop !== undefined ? commonOptions.loop : false,
 307
 308       muted: commonOptions.muted !== undefined
 309         ? commonOptions.muted
 310         : undefined, // Undefined so the player knows it has to check the local storage
 311
 312       autoplay: this.getAutoPlayValue(autoplay),
 313
 314       poster: commonOptions.poster,
 315       inactivityTimeout: commonOptions.inactivityTimeout,
 316       playbackRates: [ 0.5, 0.75, 1, 1.25, 1.5, 1.75, 2 ],
 317
 318       plugins,
 319
 320       controlBar: {
 321         children: this.getControlBarChildren(mode, {
 322           videoShortUUID: commonOptions.videoShortUUID,
 323           p2pEnabled: commonOptions.p2pEnabled,
 324
 325           captions: commonOptions.captions,
 326           peertubeLink: commonOptions.peertubeLink,
 327           theaterButton: commonOptions.theaterButton,
 328
 329           nextVideo: commonOptions.nextVideo,
 330           hasNextVideo: commonOptions.hasNextVideo,
 331
 332           previousVideo: commonOptions.previousVideo,
 333           hasPreviousVideo: commonOptions.hasPreviousVideo
 334         }) as any // FIXME: typings
 335       }
 336     }
 337
 338     if (commonOptions.language && !isDefaultLocale(commonOptions.language)) {
 339       Object.assign(videojsOptions, { language: commonOptions.language })
 340     }
 341
 342     return this.pluginsManager.runHook('filter:internal.player.videojs.options.result', videojsOptions)
 343   }
 344
 345   private static addP2PMediaLoaderOptions (
 346     plugins: VideoJSPluginOptions,
 347     options: PeertubePlayerManagerOptions,
 348     p2pMediaLoaderModule: any
 349   ) {
 350     const p2pMediaLoaderOptions = options.p2pMediaLoader
 351     const commonOptions = options.common
 352
 353     const trackerAnnounce = p2pMediaLoaderOptions.trackerAnnounce
 354                                                  .filter(t => t.startsWith('ws'))
 355
 356     const redundancyUrlManager = new RedundancyUrlManager(options.p2pMediaLoader.redundancyBaseUrls)
 357
 358     const p2pMediaLoader: P2PMediaLoaderPluginOptions = {
 359       redundancyUrlManager,
 360       type: 'application/x-mpegURL',
 361       startTime: commonOptions.startTime,
 362       src: p2pMediaLoaderOptions.playlistUrl
 363     }
 364
 365     let consumeOnly = false
 366     if ((navigator as any)?.connection?.type === 'cellular') {
 367       console.log('We are on a cellular connection: disabling seeding.')
 368       consumeOnly = true
 369     }
 370
 371     const p2pMediaLoaderConfig: HlsJsEngineSettings = {
 372       loader: {
 373         trackerAnnounce,
 374         segmentValidator: segmentValidatorFactory(options.p2pMediaLoader.segmentsSha256Url, options.common.isLive),
 375         rtcConfig: getRtcConfig(),
 376         requiredSegmentsPriority: 1,
 377         simultaneousHttpDownloads: 1,
 378         segmentUrlBuilder: segmentUrlBuilderFactory(redundancyUrlManager, 1),
 379         useP2P: commonOptions.p2pEnabled,
 380         consumeOnly
 381       },
 382       segments: {
 383         swarmId: p2pMediaLoaderOptions.playlistUrl
 384       }
 385     }
 386
 387     const hlsjs = {
 388       levelLabelHandler: (level: { height: number, width: number }) => {
 389         const resolution = Math.min(level.height || 0, level.width || 0)
 390
 391         const file = p2pMediaLoaderOptions.videoFiles.find(f => f.resolution.id === resolution)
 392         // We don't have files for live videos
 393         if (!file) return level.height
 394
 395         let label = file.resolution.label
 396         if (file.fps >= 50) label += file.fps
 397
 398         return label
 399       },
 400       html5: {
 401         hlsjsConfig: this.getHLSOptions(p2pMediaLoaderModule, p2pMediaLoaderConfig)
 402       }
 403     }
 404
 405     const toAssign = { p2pMediaLoader, hlsjs }
 406     Object.assign(plugins, toAssign)
 407
 408     return toAssign
 409   }
 410
 411   private static getHLSOptions (p2pMediaLoaderModule: any, p2pMediaLoaderConfig: HlsJsEngineSettings) {
 412     const base = {
 413       capLevelToPlayerSize: true,
 414       autoStartLoad: false,
 415       liveSyncDurationCount: 5,
 416
 417       loader: new p2pMediaLoaderModule.Engine(p2pMediaLoaderConfig).createLoaderClass()
 418     }
 419
 420     const averageBandwidth = getAverageBandwidthInStore()
 421     if (!averageBandwidth) return base
 422
 423     return {
 424       ...base,
 425
 426       abrEwmaDefaultEstimate: averageBandwidth * 8, // We want bit/s
 427       startLevel: -1,
 428       testBandwidth: false,
 429       debug: false
 430     }
 431   }
 432
 433   private static addWebTorrentOptions (plugins: VideoJSPluginOptions, options: PeertubePlayerManagerOptions) {
 434     const commonOptions = options.common
 435     const webtorrentOptions = options.webtorrent
 436     const p2pMediaLoaderOptions = options.p2pMediaLoader
 437
 438     const autoplay = this.getAutoPlayValue(commonOptions.autoplay) === 'play'
 439
 440     const webtorrent = {
 441       autoplay,
 442       playerRefusedP2P: commonOptions.p2pEnabled === false,
 443       videoDuration: commonOptions.videoDuration,
 444       playerElement: commonOptions.playerElement,
 445       videoFiles: webtorrentOptions.videoFiles.length !== 0
 446         ? webtorrentOptions.videoFiles
 447         // The WebTorrent plugin won't be able to play these files, but it will fallback to HTTP mode
 448         : p2pMediaLoaderOptions?.videoFiles || [],
 449       startTime: commonOptions.startTime
 450     }
 451
 452     Object.assign(plugins, { webtorrent })
 453   }
 454
 455   private static getControlBarChildren (mode: PlayerMode, options: {
 456     p2pEnabled: boolean
 457     videoShortUUID: string
 458
 459     peertubeLink: boolean
 460     theaterButton: boolean
 461     captions: boolean
 462
 463     nextVideo?: () => void
 464     hasNextVideo?: () => boolean
 465
 466     previousVideo?: () => void
 467     hasPreviousVideo?: () => boolean
 468   }) {
 469     const settingEntries = []
 470     const loadProgressBar = mode === 'webtorrent' ? 'peerTubeLoadProgressBar' : 'loadProgressBar'
 471
 472     // Keep an order
 473     settingEntries.push('playbackRateMenuButton')
 474     if (options.captions === true) settingEntries.push('captionsButton')
 475     settingEntries.push('resolutionMenuButton')
 476
 477     const children = {}
 478
 479     if (options.previousVideo) {
 480       const buttonOptions: NextPreviousVideoButtonOptions = {
 481         type: 'previous',
 482         handler: options.previousVideo,
 483         isDisabled: () => {
 484           if (!options.hasPreviousVideo) return false
 485
 486           return !options.hasPreviousVideo()
 487         }
 488       }
 489
 490       Object.assign(children, {
 491         previousVideoButton: buttonOptions
 492       })
 493     }
 494
 495     Object.assign(children, { playToggle: {} })
 496
 497     if (options.nextVideo) {
 498       const buttonOptions: NextPreviousVideoButtonOptions = {
 499         type: 'next',
 500         handler: options.nextVideo,
 501         isDisabled: () => {
 502           if (!options.hasNextVideo) return false
 503
 504           return !options.hasNextVideo()
 505         }
 506       }
 507
 508       Object.assign(children, {
 509         nextVideoButton: buttonOptions
 510       })
 511     }
 512
 513     Object.assign(children, {
 514       currentTimeDisplay: {},
 515       timeDivider: {},
 516       durationDisplay: {},
 517       liveDisplay: {},
 518
 519       flexibleWidthSpacer: {},
 520       progressControl: {
 521         children: {
 522           seekBar: {
 523             children: {
 524               [loadProgressBar]: {},
 525               mouseTimeDisplay: {},
 526               playProgressBar: {}
 527             }
 528           }
 529         }
 530       },
 531
 532       p2PInfoButton: {
 533         p2pEnabled: options.p2pEnabled
 534       },
 535
 536       muteToggle: {},
 537       volumeControl: {},
 538
 539       settingsButton: {
 540         setup: {
 541           maxHeightOffset: 40
 542         },
 543         entries: settingEntries
 544       }
 545     })
 546
 547     if (options.peertubeLink === true) {
 548       Object.assign(children, {
 549         peerTubeLinkButton: { shortUUID: options.videoShortUUID } as PeerTubeLinkButtonOptions
 550       })
 551     }
 552
 553     if (options.theaterButton === true) {
 554       Object.assign(children, {
 555         theaterButton: {}
 556       })
 557     }
 558
 559     Object.assign(children, {
 560       fullscreenToggle: {}
 561     })
 562
 563     return children
 564   }
 565
 566   private static addContextMenu (options: {
 567     mode: PlayerMode
 568     player: videojs.Player
 569     videoShortUUID: string
 570     videoEmbedUrl: string
 571     videoEmbedTitle: string
 572   }) {
 573     const { mode, player, videoEmbedTitle, videoEmbedUrl, videoShortUUID } = options
 574
 575     const content = () => {
 576       const isLoopEnabled = player.options_['loop']
 577       const items = [
 578         {
 579           icon: 'repeat',
 580           label: player.localize('Play in loop') + (isLoopEnabled ? '<span class="vjs-icon-tick-white"></span>' : ''),
 581           listener: function () {
 582             player.options_['loop'] = !isLoopEnabled
 583           }
 584         },
 585         {
 586           label: player.localize('Copy the video URL'),
 587           listener: function () {
 588             copyToClipboard(buildVideoLink({ shortUUID: videoShortUUID }))
 589           }
 590         },
 591         {
 592           label: player.localize('Copy the video URL at the current time'),
 593           listener: function (this: videojs.Player) {
 594             const url = buildVideoLink({ shortUUID: videoShortUUID })
 595
 596             copyToClipboard(decorateVideoLink({ url, startTime: this.currentTime() }))
 597           }
 598         },
 599         {
 600           icon: 'code',
 601           label: player.localize('Copy embed code'),
 602           listener: () => {
 603             copyToClipboard(buildVideoOrPlaylistEmbed(videoEmbedUrl, videoEmbedTitle))
 604           }
 605         }
 606       ]
 607
 608       if (mode === 'webtorrent') {
 609         items.push({
 610           label: player.localize('Copy magnet URI'),
 611           listener: function (this: videojs.Player) {
 612             copyToClipboard(this.webtorrent().getCurrentVideoFile().magnetUri)
 613           }
 614         })
 615       }
 616
 617       items.push({
 618         icon: 'info',
 619         label: player.localize('Stats for nerds'),
 620         listener: () => {
 621           player.stats().show()
 622         }
 623       })
 624
 625       return items.map(i => ({
 626         ...i,
 627         label: `<span class="vjs-icon-${i.icon || 'link-2'}"></span>` + i.label
 628       }))
 629     }
 630
 631     // adding the menu
 632     player.contextmenuUI({ content })
 633   }
 634
 635   private static addHotkeysOptions (plugins: VideoJSPluginOptions) {
 636     const isNaked = (event: KeyboardEvent, key: string) =>
 637       (!event.ctrlKey && !event.altKey && !event.metaKey && !event.shiftKey && event.key === key)
 638
 639     Object.assign(plugins, {
 640       hotkeys: {
 641         skipInitialFocus: true,
 642         enableInactiveFocus: false,
 643         captureDocumentHotkeys: true,
 644         documentHotkeysFocusElementFilter: (e: HTMLElement) => {
 645           const tagName = e.tagName.toLowerCase()
 646           return e.id === 'content' || tagName === 'body' || tagName === 'video'
 647         },
 648
 649         enableVolumeScroll: false,
 650         enableModifiersForNumbers: false,
 651
 652         rewindKey: function (event: KeyboardEvent) {
 653           return isNaked(event, 'ArrowLeft')
 654         },
 655
 656         forwardKey: function (event: KeyboardEvent) {
 657           return isNaked(event, 'ArrowRight')
 658         },
 659
 660         fullscreenKey: function (event: KeyboardEvent) {
 661           // fullscreen with the f key or Ctrl+Enter
 662           return isNaked(event, 'f') || (!event.altKey && event.ctrlKey && event.key === 'Enter')
 663         },
 664
 665         customKeys: {
 666           increasePlaybackRateKey: {
 667             key: function (event: KeyboardEvent) {
 668               return isNaked(event, '>')
 669             },
 670             handler: function (player: videojs.Player) {
 671               const newValue = Math.min(player.playbackRate() + 0.1, 5)
 672               player.playbackRate(parseFloat(newValue.toFixed(2)))
 673             }
 674           },
 675           decreasePlaybackRateKey: {
 676             key: function (event: KeyboardEvent) {
 677               return isNaked(event, '<')
 678             },
 679             handler: function (player: videojs.Player) {
 680               const newValue = Math.max(player.playbackRate() - 0.1, 0.10)
 681               player.playbackRate(parseFloat(newValue.toFixed(2)))
 682             }
 683           },
 684           frameByFrame: {
 685             key: function (event: KeyboardEvent) {
 686               return isNaked(event, '.')
 687             },
 688             handler: function (player: videojs.Player) {
 689               player.pause()
 690               // Calculate movement distance (assuming 30 fps)
 691               const dist = 1 / 30
 692               player.currentTime(player.currentTime() + dist)
 693             }
 694           }
 695         }
 696       }
 697     })
 698   }
 699
 700   private static getAutoPlayValue (autoplay: any) {
 701     if (autoplay !== true) return autoplay
 702
 703     // On first play, disable autoplay to avoid issues
 704     // But if the player already played videos, we can safely autoplay next ones
 705     if (isIOS() || isSafari()) {
 706       return PeertubePlayerManager.alreadyPlayed ? 'play' : false
 707     }
 708
 709     return 'play'
 710   }
 711 }
 712
 713 // ############################################################################
 714
 715 export {
 716   videojs
 717 }