aboutsummaryrefslogtreecommitdiffhomepage
path: root/client/src/assets/player/peertube-player-manager.ts
blob: 0d4acc3d91e576054f45cfed29baca455e61f088 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
import '@peertube/videojs-contextmenu'
import './shared/upnext/end-card'
import './shared/upnext/upnext-plugin'
import './shared/stats/stats-card'
import './shared/stats/stats-plugin'
import './shared/bezels/bezels-plugin'
import './shared/peertube/peertube-plugin'
import './shared/resolutions/peertube-resolutions-plugin'
import './shared/control-bar/next-previous-video-button'
import './shared/control-bar/p2p-info-button'
import './shared/control-bar/peertube-link-button'
import './shared/control-bar/peertube-load-progress-bar'
import './shared/control-bar/theater-button'
import './shared/settings/resolution-menu-button'
import './shared/settings/resolution-menu-item'
import './shared/settings/settings-dialog'
import './shared/settings/settings-menu-button'
import './shared/settings/settings-menu-item'
import './shared/settings/settings-panel'
import './shared/settings/settings-panel-child'
import './shared/playlist/playlist-plugin'
import './shared/mobile/peertube-mobile-plugin'
import './shared/mobile/peertube-mobile-buttons'
import './shared/hotkeys/peertube-hotkeys-plugin'
import './shared/metrics/metrics-plugin'
import videojs from 'video.js'
import { logger } from '@root-helpers/logger'
import { PluginsManager } from '@root-helpers/plugins-manager'
import { isMobile } from '@root-helpers/web-browser'
import { saveAverageBandwidth } from './peertube-player-local-storage'
import { ManagerOptionsBuilder } from './shared/manager-options'
import { TranslationsManager } from './translations-manager'
import { CommonOptions, PeertubePlayerManagerOptions, PlayerMode, PlayerNetworkInfo } from './types'

// Change 'Playback Rate' to 'Speed' (smaller for our settings menu)
(videojs.getComponent('PlaybackRateMenuButton') as any).prototype.controlText_ = 'Speed'

const CaptionsButton = videojs.getComponent('CaptionsButton') as any
// Change Captions to Subtitles/CC
CaptionsButton.prototype.controlText_ = 'Subtitles/CC'
// We just want to display 'Off' instead of 'captions off', keep a space so the variable == true (hacky I know)
CaptionsButton.prototype.label_ = ' '

export class PeertubePlayerManager {
  private static playerElementClassName: string
  private static onPlayerChange: (player: videojs.Player) => void
  private static alreadyPlayed = false
  private static pluginsManager: PluginsManager

  private static videojsDecodeErrors = 0

  private static p2pMediaLoaderModule: any

  static initState () {
    this.alreadyPlayed = false
  }

  static async initialize (mode: PlayerMode, options: PeertubePlayerManagerOptions, onPlayerChange: (player: videojs.Player) => void) {
    this.pluginsManager = options.pluginsManager

    this.onPlayerChange = onPlayerChange
    this.playerElementClassName = options.common.playerElement.className

    if (mode === 'webtorrent') await import('./shared/webtorrent/webtorrent-plugin')
    if (mode === 'p2p-media-loader') {
      const [ p2pMediaLoaderModule ] = await Promise.all([
        import('@peertube/p2p-media-loader-hlsjs'),
        import('./shared/p2p-media-loader/p2p-media-loader-plugin')
      ])

      this.p2pMediaLoaderModule = p2pMediaLoaderModule
    }

    await TranslationsManager.loadLocaleInVideoJS(options.common.serverUrl, options.common.language, videojs)

    return this.buildPlayer(mode, options)
  }

  private static async buildPlayer (mode: PlayerMode, options: PeertubePlayerManagerOptions): Promise<videojs.Player> {
    const videojsOptionsBuilder = new ManagerOptionsBuilder(mode, options, this.p2pMediaLoaderModule)

    const videojsOptions = await this.pluginsManager.runHook(
      'filter:internal.player.videojs.options.result',
      videojsOptionsBuilder.getVideojsOptions(this.alreadyPlayed)
    )

    const self = this
    return new Promise(res => {
      videojs(options.common.playerElement, videojsOptions, function (this: videojs.Player) {
        const player = this

        let alreadyFallback = false

        const handleError = () => {
          if (alreadyFallback) return
          alreadyFallback = true

          if (mode === 'p2p-media-loader') {
            self.tryToRecoverHLSError(player.error(), player, options)
          } else {
            self.maybeFallbackToWebTorrent(mode, player, options)
          }
        }

        player.one('error', () => handleError())

        player.one('play', () => {
          self.alreadyPlayed = true
        })

        self.addContextMenu(videojsOptionsBuilder, player, options.common)

        if (isMobile()) player.peertubeMobile()
        if (options.common.enableHotkeys === true) player.peerTubeHotkeysPlugin()
        if (options.common.controlBar === false) player.controlBar.addClass('control-bar-hidden')

        player.bezels()

        player.stats({
          videoUUID: options.common.videoUUID,
          videoIsLive: options.common.isLive,
          mode,
          p2pEnabled: options.common.p2pEnabled
        })

        player.on('p2pInfo', (_, data: PlayerNetworkInfo) => {
          if (data.source !== 'p2p-media-loader' || isNaN(data.bandwidthEstimate)) return

          saveAverageBandwidth(data.bandwidthEstimate)
        })

        return res(player)
      })
    })
  }

  private static async tryToRecoverHLSError (err: any, currentPlayer: videojs.Player, options: PeertubePlayerManagerOptions) {
    if (err.code === 3) { // Decode error

      // Display a notification to user
      if (this.videojsDecodeErrors === 0) {
        options.common.errorNotifier(currentPlayer.localize('The video failed to play, will try to fast forward.'))
      }

      if (this.videojsDecodeErrors === 20) {
        this.maybeFallbackToWebTorrent('p2p-media-loader', currentPlayer, options)
        return
      }

      logger.info('Fast forwarding HLS to recover from an error.')

      this.videojsDecodeErrors++

      options.common.startTime = currentPlayer.currentTime() + 2
      options.common.autoplay = true
      this.rebuildAndUpdateVideoElement(currentPlayer, options.common)

      const newPlayer = await this.buildPlayer('p2p-media-loader', options)
      this.onPlayerChange(newPlayer)
    } else {
      this.maybeFallbackToWebTorrent('p2p-media-loader', currentPlayer, options)
    }
  }

  private static async maybeFallbackToWebTorrent (
    currentMode: PlayerMode,
    currentPlayer: videojs.Player,
    options: PeertubePlayerManagerOptions
  ) {
    if (options.webtorrent.videoFiles.length === 0 || currentMode === 'webtorrent') {
      currentPlayer.peertube().displayFatalError()
      return
    }

    logger.info('Fallback to webtorrent.')

    this.rebuildAndUpdateVideoElement(currentPlayer, options.common)

    await import('./shared/webtorrent/webtorrent-plugin')

    const newPlayer = await this.buildPlayer('webtorrent', options)
    this.onPlayerChange(newPlayer)
  }

  private static rebuildAndUpdateVideoElement (player: videojs.Player, commonOptions: CommonOptions) {
    const newVideoElement = document.createElement('video')
    newVideoElement.className = this.playerElementClassName

    // VideoJS wraps our video element inside a div
    let currentParentPlayerElement = commonOptions.playerElement.parentNode
    // Fix on IOS, don't ask me why
    if (!currentParentPlayerElement) currentParentPlayerElement = document.getElementById(commonOptions.playerElement.id).parentNode

    currentParentPlayerElement.parentNode.insertBefore(newVideoElement, currentParentPlayerElement)

    commonOptions.playerElement = newVideoElement
    commonOptions.onPlayerElementChange(newVideoElement)

    player.dispose()

    return newVideoElement
  }

  private static addContextMenu (optionsBuilder: ManagerOptionsBuilder, player: videojs.Player, commonOptions: CommonOptions) {
    const options = optionsBuilder.getContextMenuOptions(player, commonOptions)

    player.contextmenuUI(options)
  }
}

// ############################################################################

export {
  videojs
}