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

   1 import { VideoFile } from '../../../../shared/models/videos'
   2 // @ts-ignore
   3 import * as videojs from 'video.js'
   4 import 'videojs-hotkeys'
   5 import 'videojs-dock'
   6 import 'videojs-contextmenu-ui'
   7 import 'videojs-contrib-quality-levels'
   8 import './peertube-plugin'
   9 import './videojs-components/peertube-link-button'
  10 import './videojs-components/resolution-menu-button'
  11 import './videojs-components/settings-menu-button'
  12 import './videojs-components/p2p-info-button'
  13 import './videojs-components/peertube-load-progress-bar'
  14 import './videojs-components/theater-button'
  15 import { P2PMediaLoaderPluginOptions, UserWatching, VideoJSCaption, VideoJSPluginOptions, videojsUntyped } from './peertube-videojs-typings'
  16 import { buildVideoEmbed, buildVideoLink, copyToClipboard, getRtcConfig } from './utils'
  17 import { getCompleteLocale, getShortLocale, is18nLocale, isDefaultLocale } from '../../../../shared/models/i18n/i18n'
  18 import { segmentValidatorFactory } from './p2p-media-loader/segment-validator'
  19 import { segmentUrlBuilderFactory } from './p2p-media-loader/segment-url-builder'
  20
  21 // Change 'Playback Rate' to 'Speed' (smaller for our settings menu)
  22 videojsUntyped.getComponent('PlaybackRateMenuButton').prototype.controlText_ = 'Speed'
  23 // Change Captions to Subtitles/CC
  24 videojsUntyped.getComponent('CaptionsButton').prototype.controlText_ = 'Subtitles/CC'
  25 // We just want to display 'Off' instead of 'captions off', keep a space so the variable == true (hacky I know)
  26 videojsUntyped.getComponent('CaptionsButton').prototype.label_ = ' '
  27
  28 export type PlayerMode = 'webtorrent' | 'p2p-media-loader'
  29
  30 export type WebtorrentOptions = {
  31   videoFiles: VideoFile[]
  32 }
  33
  34 export type P2PMediaLoaderOptions = {
  35   playlistUrl: string
  36   segmentsSha256Url: string
  37   trackerAnnounce: string[]
  38   redundancyBaseUrls: string[]
  39   videoFiles: VideoFile[]
  40 }
  41
  42 export interface CustomizationOptions {
  43   startTime: number | string
  44   stopTime: number | string
  45
  46   controls?: boolean
  47   muted?: boolean
  48   loop?: boolean
  49   subtitle?: string
  50
  51   peertubeLink: boolean
  52 }
  53
  54 export interface CommonOptions extends CustomizationOptions {
  55   playerElement: HTMLVideoElement
  56   onPlayerElementChange: (element: HTMLVideoElement) => void
  57
  58   autoplay: boolean
  59   videoDuration: number
  60   enableHotkeys: boolean
  61   inactivityTimeout: number
  62   poster: string
  63
  64   theaterMode: boolean
  65   captions: boolean
  66
  67   videoViewUrl: string
  68   embedUrl: string
  69
  70   language?: string
  71
  72   videoCaptions: VideoJSCaption[]
  73
  74   userWatching?: UserWatching
  75
  76   serverUrl: string
  77 }
  78
  79 export type PeertubePlayerManagerOptions = {
  80   common: CommonOptions,
  81   webtorrent: WebtorrentOptions,
  82   p2pMediaLoader?: P2PMediaLoaderOptions
  83 }
  84
  85 export class PeertubePlayerManager {
  86
  87   private static videojsLocaleCache: { [ path: string ]: any } = {}
  88   private static playerElementClassName: string
  89   private static onPlayerChange: (player: any) => void
  90
  91   static getServerTranslations (serverUrl: string, locale: string) {
  92     const path = PeertubePlayerManager.getLocalePath(serverUrl, locale)
  93     // It is the default locale, nothing to translate
  94     if (!path) return Promise.resolve(undefined)
  95
  96     return fetch(path + '/server.json')
  97       .then(res => res.json())
  98       .catch(err => {
  99         console.error('Cannot get server translations', err)
 100         return undefined
 101       })
 102   }
 103
 104   static async initialize (mode: PlayerMode, options: PeertubePlayerManagerOptions, onPlayerChange: (player: any) => void) {
 105     let p2pMediaLoader: any
 106
 107     this.onPlayerChange = onPlayerChange
 108     this.playerElementClassName = options.common.playerElement.className
 109
 110     if (mode === 'webtorrent') await import('./webtorrent/webtorrent-plugin')
 111     if (mode === 'p2p-media-loader') {
 112       [ p2pMediaLoader ] = await Promise.all([
 113         import('p2p-media-loader-hlsjs'),
 114         import('./p2p-media-loader/p2p-media-loader-plugin')
 115       ])
 116     }
 117
 118     const videojsOptions = this.getVideojsOptions(mode, options, p2pMediaLoader)
 119
 120     await this.loadLocaleInVideoJS(options.common.serverUrl, options.common.language)
 121
 122     const self = this
 123     return new Promise(res => {
 124       videojs(options.common.playerElement, videojsOptions, function (this: any) {
 125         const player = this
 126
 127         let alreadyFallback = false
 128
 129         player.tech_.one('error', () => {
 130           if (!alreadyFallback) self.maybeFallbackToWebTorrent(mode, player, options)
 131           alreadyFallback = true
 132         })
 133
 134         player.one('error', () => {
 135           if (!alreadyFallback) self.maybeFallbackToWebTorrent(mode, player, options)
 136           alreadyFallback = true
 137         })
 138
 139         self.addContextMenu(mode, player, options.common.embedUrl)
 140
 141         return res(player)
 142       })
 143     })
 144   }
 145
 146   private static async maybeFallbackToWebTorrent (currentMode: PlayerMode, player: any, options: PeertubePlayerManagerOptions) {
 147     if (currentMode === 'webtorrent') return
 148
 149     console.log('Fallback to webtorrent.')
 150
 151     const newVideoElement = document.createElement('video')
 152     newVideoElement.className = this.playerElementClassName
 153
 154     // VideoJS wraps our video element inside a div
 155     let currentParentPlayerElement = options.common.playerElement.parentNode
 156     // Fix on IOS, don't ask me why
 157     if (!currentParentPlayerElement) currentParentPlayerElement = document.getElementById(options.common.playerElement.id).parentNode
 158
 159     currentParentPlayerElement.parentNode.insertBefore(newVideoElement, currentParentPlayerElement)
 160
 161     options.common.playerElement = newVideoElement
 162     options.common.onPlayerElementChange(newVideoElement)
 163
 164     player.dispose()
 165
 166     await import('./webtorrent/webtorrent-plugin')
 167
 168     const mode = 'webtorrent'
 169     const videojsOptions = this.getVideojsOptions(mode, options)
 170
 171     const self = this
 172     videojs(newVideoElement, videojsOptions, function (this: any) {
 173       const player = this
 174
 175       self.addContextMenu(mode, player, options.common.embedUrl)
 176
 177       PeertubePlayerManager.onPlayerChange(player)
 178     })
 179   }
 180
 181   private static loadLocaleInVideoJS (serverUrl: string, locale: string) {
 182     const path = PeertubePlayerManager.getLocalePath(serverUrl, locale)
 183     // It is the default locale, nothing to translate
 184     if (!path) return Promise.resolve(undefined)
 185
 186     let p: Promise<any>
 187
 188     if (PeertubePlayerManager.videojsLocaleCache[path]) {
 189       p = Promise.resolve(PeertubePlayerManager.videojsLocaleCache[path])
 190     } else {
 191       p = fetch(path + '/player.json')
 192         .then(res => res.json())
 193         .then(json => {
 194           PeertubePlayerManager.videojsLocaleCache[path] = json
 195           return json
 196         })
 197         .catch(err => {
 198           console.error('Cannot get player translations', err)
 199           return undefined
 200         })
 201     }
 202
 203     const completeLocale = getCompleteLocale(locale)
 204     return p.then(json => videojs.addLanguage(getShortLocale(completeLocale), json))
 205   }
 206
 207   private static getVideojsOptions (mode: PlayerMode, options: PeertubePlayerManagerOptions, p2pMediaLoaderModule?: any) {
 208     const commonOptions = options.common
 209     const webtorrentOptions = options.webtorrent
 210     const p2pMediaLoaderOptions = options.p2pMediaLoader
 211
 212     let autoplay = options.common.autoplay
 213     let html5 = {}
 214
 215     const plugins: VideoJSPluginOptions = {
 216       peertube: {
 217         mode,
 218         autoplay, // Use peertube plugin autoplay because we get the file by webtorrent
 219         videoViewUrl: commonOptions.videoViewUrl,
 220         videoDuration: commonOptions.videoDuration,
 221         userWatching: commonOptions.userWatching,
 222         subtitle: commonOptions.subtitle,
 223         videoCaptions: commonOptions.videoCaptions,
 224         stopTime: commonOptions.stopTime
 225       }
 226     }
 227
 228     if (mode === 'p2p-media-loader') {
 229       const p2pMediaLoader: P2PMediaLoaderPluginOptions = {
 230         redundancyBaseUrls: options.p2pMediaLoader.redundancyBaseUrls,
 231         type: 'application/x-mpegURL',
 232         startTime: commonOptions.startTime,
 233         src: p2pMediaLoaderOptions.playlistUrl
 234       }
 235
 236       const trackerAnnounce = p2pMediaLoaderOptions.trackerAnnounce
 237         .filter(t => t.startsWith('ws'))
 238
 239       const p2pMediaLoaderConfig = {
 240         loader: {
 241           trackerAnnounce,
 242           segmentValidator: segmentValidatorFactory(options.p2pMediaLoader.segmentsSha256Url),
 243           rtcConfig: getRtcConfig(),
 244           requiredSegmentsPriority: 5,
 245           segmentUrlBuilder: segmentUrlBuilderFactory(options.p2pMediaLoader.redundancyBaseUrls)
 246         },
 247         segments: {
 248           swarmId: p2pMediaLoaderOptions.playlistUrl
 249         }
 250       }
 251       const streamrootHls = {
 252         levelLabelHandler: (level: { height: number, width: number }) => {
 253           const file = p2pMediaLoaderOptions.videoFiles.find(f => f.resolution.id === level.height)
 254
 255           let label = file.resolution.label
 256           if (file.fps >= 50) label += file.fps
 257
 258           return label
 259         },
 260         html5: {
 261           hlsjsConfig: {
 262             liveSyncDurationCount: 7,
 263             loader: new p2pMediaLoaderModule.Engine(p2pMediaLoaderConfig).createLoaderClass()
 264           }
 265         }
 266       }
 267
 268       Object.assign(plugins, { p2pMediaLoader, streamrootHls })
 269       html5 = streamrootHls.html5
 270     }
 271
 272     if (mode === 'webtorrent') {
 273       const webtorrent = {
 274         autoplay,
 275         videoDuration: commonOptions.videoDuration,
 276         playerElement: commonOptions.playerElement,
 277         videoFiles: webtorrentOptions.videoFiles,
 278         startTime: commonOptions.startTime
 279       }
 280       Object.assign(plugins, { webtorrent })
 281
 282       // WebTorrent plugin handles autoplay, because we do some hackish stuff in there
 283       autoplay = false
 284     }
 285
 286     const videojsOptions = {
 287       html5,
 288
 289       // We don't use text track settings for now
 290       textTrackSettings: false,
 291       controls: commonOptions.controls !== undefined ? commonOptions.controls : true,
 292       loop: commonOptions.loop !== undefined ? commonOptions.loop : false,
 293
 294       muted: commonOptions.muted !== undefined
 295         ? commonOptions.muted
 296         : undefined, // Undefined so the player knows it has to check the local storage
 297
 298       poster: commonOptions.poster,
 299       autoplay: autoplay === true ? 'any' : autoplay, // Use 'any' instead of true to get notifier by videojs if autoplay fails
 300       inactivityTimeout: commonOptions.inactivityTimeout,
 301       playbackRates: [ 0.5, 0.75, 1, 1.25, 1.5, 2 ],
 302       plugins,
 303       controlBar: {
 304         children: this.getControlBarChildren(mode, {
 305           captions: commonOptions.captions,
 306           peertubeLink: commonOptions.peertubeLink,
 307           theaterMode: commonOptions.theaterMode
 308         })
 309       }
 310     }
 311
 312     if (commonOptions.enableHotkeys === true) {
 313       Object.assign(videojsOptions.plugins, {
 314         hotkeys: {
 315           enableVolumeScroll: false,
 316           enableModifiersForNumbers: false,
 317
 318           fullscreenKey: function (event: KeyboardEvent) {
 319             // fullscreen with the f key or Ctrl+Enter
 320             return event.key === 'f' || (event.ctrlKey && event.key === 'Enter')
 321           },
 322
 323           seekStep: function (event: KeyboardEvent) {
 324             // mimic VLC seek behavior, and default to 5 (original value is 5).
 325             if (event.ctrlKey && event.altKey) {
 326               return 5 * 60
 327             } else if (event.ctrlKey) {
 328               return 60
 329             } else if (event.altKey) {
 330               return 10
 331             } else {
 332               return 5
 333             }
 334           },
 335
 336           customKeys: {
 337             increasePlaybackRateKey: {
 338               key: function (event: KeyboardEvent) {
 339                 return event.key === '>'
 340               },
 341               handler: function (player: videojs.Player) {
 342                 player.playbackRate((player.playbackRate() + 0.1).toFixed(2))
 343               }
 344             },
 345             decreasePlaybackRateKey: {
 346               key: function (event: KeyboardEvent) {
 347                 return event.key === '<'
 348               },
 349               handler: function (player: videojs.Player) {
 350                 player.playbackRate((player.playbackRate() - 0.1).toFixed(2))
 351               }
 352             },
 353             frameByFrame: {
 354               key: function (event: KeyboardEvent) {
 355                 return event.key === '.'
 356               },
 357               handler: function (player: videojs.Player) {
 358                 player.pause()
 359                 // Calculate movement distance (assuming 30 fps)
 360                 const dist = 1 / 30
 361                 player.currentTime(player.currentTime() + dist)
 362               }
 363             }
 364           }
 365         }
 366       })
 367     }
 368
 369     if (commonOptions.language && !isDefaultLocale(commonOptions.language)) {
 370       Object.assign(videojsOptions, { language: commonOptions.language })
 371     }
 372
 373     return videojsOptions
 374   }
 375
 376   private static getControlBarChildren (mode: PlayerMode, options: {
 377     peertubeLink: boolean
 378     theaterMode: boolean,
 379     captions: boolean
 380   }) {
 381     const settingEntries = []
 382     const loadProgressBar = mode === 'webtorrent' ? 'peerTubeLoadProgressBar' : 'loadProgressBar'
 383
 384     // Keep an order
 385     settingEntries.push('playbackRateMenuButton')
 386     if (options.captions === true) settingEntries.push('captionsButton')
 387     settingEntries.push('resolutionMenuButton')
 388
 389     const children = {
 390       'playToggle': {},
 391       'currentTimeDisplay': {},
 392       'timeDivider': {},
 393       'durationDisplay': {},
 394       'liveDisplay': {},
 395
 396       'flexibleWidthSpacer': {},
 397       'progressControl': {
 398         children: {
 399           'seekBar': {
 400             children: {
 401               [loadProgressBar]: {},
 402               'mouseTimeDisplay': {},
 403               'playProgressBar': {}
 404             }
 405           }
 406         }
 407       },
 408
 409       'p2PInfoButton': {},
 410
 411       'muteToggle': {},
 412       'volumeControl': {},
 413
 414       'settingsButton': {
 415         setup: {
 416           maxHeightOffset: 40
 417         },
 418         entries: settingEntries
 419       }
 420     }
 421
 422     if (options.peertubeLink === true) {
 423       Object.assign(children, {
 424         'peerTubeLinkButton': {}
 425       })
 426     }
 427
 428     if (options.theaterMode === true) {
 429       Object.assign(children, {
 430         'theaterButton': {}
 431       })
 432     }
 433
 434     Object.assign(children, {
 435       'fullscreenToggle': {}
 436     })
 437
 438     return children
 439   }
 440
 441   private static addContextMenu (mode: PlayerMode, player: any, videoEmbedUrl: string) {
 442     const content = [
 443       {
 444         label: player.localize('Copy the video URL'),
 445         listener: function () {
 446           copyToClipboard(buildVideoLink())
 447         }
 448       },
 449       {
 450         label: player.localize('Copy the video URL at the current time'),
 451         listener: function () {
 452           const player = this as videojs.Player
 453           copyToClipboard(buildVideoLink({ startTime: player.currentTime() }))
 454         }
 455       },
 456       {
 457         label: player.localize('Copy embed code'),
 458         listener: () => {
 459           copyToClipboard(buildVideoEmbed(videoEmbedUrl))
 460         }
 461       }
 462     ]
 463
 464     if (mode === 'webtorrent') {
 465       content.push({
 466         label: player.localize('Copy magnet URI'),
 467         listener: function () {
 468           const player = this as videojs.Player
 469           copyToClipboard(player.webtorrent().getCurrentVideoFile().magnetUri)
 470         }
 471       })
 472     }
 473
 474     player.contextmenuUI({ content })
 475   }
 476
 477   private static getLocalePath (serverUrl: string, locale: string) {
 478     const completeLocale = getCompleteLocale(locale)
 479
 480     if (!is18nLocale(completeLocale) || isDefaultLocale(completeLocale)) return undefined
 481
 482     return serverUrl + '/client/locales/' + completeLocale
 483   }
 484 }
 485
 486 // ############################################################################
 487
 488 export {
 489   videojs
 490 }