2017-10-06 04:40:09 -04:00
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// Big thanks to: https://github.com/kmoskwiak/videojs-resolution-switcher
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import videojs, { Player } from 'video.js'
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import * as WebTorrent from 'webtorrent'
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import { renderVideo } from './video-renderer'
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import { VideoFile } from '../../../../shared'
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// videojs typings don't have some method we need
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const videojsUntyped = videojs as any
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const webtorrent = new WebTorrent({ dht: false })
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const MenuItem = videojsUntyped.getComponent('MenuItem')
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const ResolutionMenuItem = videojsUntyped.extend(MenuItem, {
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constructor: function (player: Player, options) {
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options.selectable = true
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MenuItem.call(this, player, options)
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const currentResolution = this.player_.getCurrentResolution()
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this.selected(this.options_.id === currentResolution)
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},
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handleClick: function (event) {
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MenuItem.prototype.handleClick.call(this, event)
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this.player_.updateResolution(this.options_.id)
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}
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})
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MenuItem.registerComponent('ResolutionMenuItem', ResolutionMenuItem)
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const MenuButton = videojsUntyped.getComponent('MenuButton')
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const ResolutionMenuButton = videojsUntyped.extend(MenuButton, {
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constructor: function (player, options) {
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this.label = document.createElement('span')
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options.label = 'Quality'
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MenuButton.call(this, player, options)
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this.el().setAttribute('aria-label', 'Quality')
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this.controlText('Quality')
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videojsUntyped.dom.addClass(this.label, 'vjs-resolution-button-label')
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this.el().appendChild(this.label)
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player.on('videoFileUpdate', videojs.bind(this, this.update))
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},
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createItems: function () {
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const menuItems = []
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for (const videoFile of this.player_.videoFiles) {
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menuItems.push(new ResolutionMenuItem(
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this.player_,
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{
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id: videoFile.resolution,
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label: videoFile.resolutionLabel,
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src: videoFile.magnetUri,
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selected: videoFile.resolution === this.currentSelection
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})
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)
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}
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return menuItems
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},
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update: function () {
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this.label.innerHTML = this.player_.getCurrentResolutionLabel()
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return MenuButton.prototype.update.call(this)
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},
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buildCSSClass: function () {
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return MenuButton.prototype.buildCSSClass.call(this) + ' vjs-resolution-button'
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}
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})
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MenuButton.registerComponent('ResolutionMenuButton', ResolutionMenuButton)
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const Button = videojsUntyped.getComponent('Button')
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const PeertubeLinkButton = videojsUntyped.extend(Button, {
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constructor: function (player) {
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Button.apply(this, arguments)
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this.player = player
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},
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createEl: function () {
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const link = document.createElement('a')
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link.href = window.location.href.replace('embed', 'watch')
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link.innerHTML = 'PeerTube'
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link.title = 'Go to the video page'
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link.className = 'vjs-peertube-link'
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link.target = '_blank'
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return link
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},
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handleClick: function () {
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this.player.pause()
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}
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})
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Button.registerComponent('PeerTubeLinkButton', PeertubeLinkButton)
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type PeertubePluginOptions = {
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videoFiles: VideoFile[]
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playerElement: HTMLVideoElement
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autoplay: boolean
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peerTubeLink: boolean
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}
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const peertubePlugin = function (options: PeertubePluginOptions) {
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const player = this
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let currentVideoFile: VideoFile = undefined
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const playerElement = options.playerElement
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player.videoFiles = options.videoFiles
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// Hack to "simulate" src link in video.js >= 6
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// Without this, we can't play the video after pausing it
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// https://github.com/videojs/video.js/blob/master/src/js/player.js#L1633
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player.src = function () {
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return true
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}
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player.getCurrentResolution = function () {
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return currentVideoFile ? currentVideoFile.resolution : -1
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}
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player.getCurrentResolutionLabel = function () {
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return currentVideoFile ? currentVideoFile.resolutionLabel : ''
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}
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player.updateVideoFile = function (videoFile: VideoFile, done: () => void) {
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if (done === undefined) {
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done = () => { /* empty */ }
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}
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// Pick the first one
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if (videoFile === undefined) {
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videoFile = player.videoFiles[0]
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}
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// Don't add the same video file once again
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if (currentVideoFile !== undefined && currentVideoFile.magnetUri === videoFile.magnetUri) {
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return
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}
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const previousVideoFile = currentVideoFile
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currentVideoFile = videoFile
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console.log('Adding ' + videoFile.magnetUri + '.')
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player.torrent = webtorrent.add(videoFile.magnetUri, torrent => {
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console.log('Added ' + videoFile.magnetUri + '.')
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this.flushVideoFile(previousVideoFile)
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const options = { autoplay: true, controls: true }
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renderVideo(torrent.files[0], playerElement, options,(err, renderer) => {
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if (err) return handleError(err)
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this.renderer = renderer
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player.play()
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return done()
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})
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})
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player.torrent.on('error', err => handleError(err))
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2017-10-19 08:58:28 -04:00
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player.torrent.on('warning', err => {
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// We don't support HTTP tracker but we don't care -> we use the web socket tracker
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if (err.message.indexOf('Unsupported tracker protocol: http://') !== -1) return
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return handleError(err)
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})
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2017-10-06 04:40:09 -04:00
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player.trigger('videoFileUpdate')
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return player
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}
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player.updateResolution = function (resolution) {
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// Remember player state
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const currentTime = player.currentTime()
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const isPaused = player.paused()
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// Hide bigPlayButton
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if (!isPaused && this.player_.options_.bigPlayButton) {
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this.player_.bigPlayButton.hide()
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}
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const newVideoFile = player.videoFiles.find(f => f.resolution === resolution)
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player.updateVideoFile(newVideoFile, () => {
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player.currentTime(currentTime)
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player.handleTechSeeked_()
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})
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}
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player.flushVideoFile = function (videoFile: VideoFile, destroyRenderer = true) {
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if (videoFile !== undefined && webtorrent.get(videoFile.magnetUri)) {
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if (destroyRenderer === true) this.renderer.destroy()
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webtorrent.remove(videoFile.magnetUri)
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}
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}
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player.ready(function () {
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const controlBar = player.controlBar
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const menuButton = new ResolutionMenuButton(player, options)
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const fullscreenElement = controlBar.fullscreenToggle.el()
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controlBar.resolutionSwitcher = controlBar.el().insertBefore(menuButton.el(), fullscreenElement)
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controlBar.resolutionSwitcher.dispose = function () {
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this.parentNode.removeChild(this)
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}
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player.dispose = function () {
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// Don't need to destroy renderer, video player will be destroyed
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player.flushVideoFile(currentVideoFile, false)
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}
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if (options.peerTubeLink === true) {
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const peerTubeLinkButton = new PeertubeLinkButton(player)
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controlBar.peerTubeLink = controlBar.el().insertBefore(peerTubeLinkButton.el(), fullscreenElement)
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controlBar.peerTubeLink.dispose = function () {
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this.parentNode.removeChild(this)
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}
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}
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if (options.autoplay === true) {
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player.updateVideoFile()
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} else {
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2017-10-18 12:19:35 -04:00
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player.one('play', () => {
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// Pause, we wait the video to load before
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player.pause()
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player.updateVideoFile(undefined, () => player.play())
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})
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2017-10-06 04:40:09 -04:00
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}
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setInterval(() => {
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if (player.torrent !== undefined) {
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player.trigger('torrentInfo', {
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downloadSpeed: player.torrent.downloadSpeed,
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numPeers: player.torrent.numPeers,
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uploadSpeed: player.torrent.uploadSpeed
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})
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}
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}, 1000)
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})
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function handleError (err: Error|string) {
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return player.trigger('customError', { err })
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}
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}
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videojsUntyped.registerPlugin('peertube', peertubePlugin)
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