-// Big thanks to: https://github.com/kmoskwiak/videojs-resolution-switcher
-
-import videojs, { Player } from 'video.js'
+import * as videojs from 'video.js'
import * as WebTorrent from 'webtorrent'
-import { VideoFile } from '../../../../shared'
-
+import { VideoFile } from '../../../../shared/models/videos/video.model'
import { renderVideo } from './video-renderer'
+import './settings-menu-button'
+import { PeertubePluginOptions, VideoJSComponentInterface, videojsUntyped } from './peertube-videojs-typings'
+import {
+ getAverageBandwidth,
+ getStoredMute,
+ getStoredVolume, isMobile,
+ saveAverageBandwidth,
+ saveMuteInStore,
+ saveVolumeInStore,
+ videoFileMaxByResolution,
+ videoFileMinByResolution
+} from './utils'
+import * as CacheChunkStore from 'cache-chunk-store'
+import { PeertubeChunkStore } from './peertube-chunk-store'
+
+const Plugin: VideoJSComponentInterface = videojs.getPlugin('plugin')
+class PeerTubePlugin extends Plugin {
+ private readonly playerElement: HTMLVideoElement
+
+ private readonly autoplay: boolean = false
+ private readonly startTime: number = 0
+ private readonly savePlayerSrcFunction: Function
+ private readonly videoFiles: VideoFile[]
+ private readonly videoViewUrl: string
+ private readonly videoDuration: number
+ private readonly CONSTANTS = {
+ INFO_SCHEDULER: 1000, // Don't change this
+ AUTO_QUALITY_SCHEDULER: 3000, // Check quality every 3 seconds
+ AUTO_QUALITY_THRESHOLD_PERCENT: 30, // Bandwidth should be 30% more important than a resolution bitrate to change to it
+ AUTO_QUALITY_OBSERVATION_TIME: 10000, // Wait 10 seconds after having change the resolution before another check
+ AUTO_QUALITY_HIGHER_RESOLUTION_DELAY: 5000, // Buffering higher resolution during 5 seconds
+ BANDWIDTH_AVERAGE_NUMBER_OF_VALUES: 5 // Last 5 seconds to build average bandwidth
+ }
-// https://github.com/danrevah/ngx-pipes/blob/master/src/pipes/math/bytes.ts
-// Don't import all Angular stuff, just copy the code with shame
-const dictionaryBytes: Array<{max: number, type: string}> = [
- { max: 1024, type: 'B' },
- { max: 1048576, type: 'KB' },
- { max: 1073741824, type: 'MB' },
- { max: 1.0995116e12, type: 'GB' }
-]
-function bytes (value) {
- const format = dictionaryBytes.find(d => value < d.max) || dictionaryBytes[dictionaryBytes.length - 1]
- const calc = Math.floor(value / (format.max / 1024)).toString()
-
- return [ calc, format.type ]
-}
-
-// videojs typings don't have some method we need
-const videojsUntyped = videojs as any
-const webtorrent = new WebTorrent({ dht: false })
-
-const MenuItem = videojsUntyped.getComponent('MenuItem')
-const ResolutionMenuItem = videojsUntyped.extend(MenuItem, {
- constructor: function (player: Player, options) {
- options.selectable = true
- MenuItem.call(this, player, options)
-
- const currentResolution = this.player_.getCurrentResolution()
- this.selected(this.options_.id === currentResolution)
- },
-
- handleClick: function (event) {
- MenuItem.prototype.handleClick.call(this, event)
- this.player_.updateResolution(this.options_.id)
- }
-})
-MenuItem.registerComponent('ResolutionMenuItem', ResolutionMenuItem)
-
-const MenuButton = videojsUntyped.getComponent('MenuButton')
-const ResolutionMenuButton = videojsUntyped.extend(MenuButton, {
- constructor: function (player, options) {
- this.label = document.createElement('span')
- options.label = 'Quality'
-
- MenuButton.call(this, player, options)
- this.el().setAttribute('aria-label', 'Quality')
- this.controlText('Quality')
-
- videojsUntyped.dom.addClass(this.label, 'vjs-resolution-button-label')
- this.el().appendChild(this.label)
-
- player.on('videoFileUpdate', videojs.bind(this, this.update))
- },
-
- createItems: function () {
- const menuItems = []
- for (const videoFile of this.player_.videoFiles) {
- menuItems.push(new ResolutionMenuItem(
- this.player_,
- {
- id: videoFile.resolution,
- label: videoFile.resolutionLabel,
- src: videoFile.magnetUri,
- selected: videoFile.resolution === this.currentSelection
- })
- )
- }
+ private readonly webtorrent = new WebTorrent({
+ tracker: {
+ rtcConfig: {
+ iceServers: [
+ {
+ urls: 'stun:stun.stunprotocol.org'
+ },
+ {
+ urls: 'stun:stun.framasoft.org'
+ }
+ ]
+ }
+ },
+ dht: false
+ })
- return menuItems
- },
-
- update: function () {
- this.label.innerHTML = this.player_.getCurrentResolutionLabel()
- this.hide()
- return MenuButton.prototype.update.call(this)
- },
-
- buildCSSClass: function () {
- return MenuButton.prototype.buildCSSClass.call(this) + ' vjs-resolution-button'
- }
-})
-MenuButton.registerComponent('ResolutionMenuButton', ResolutionMenuButton)
-
-const Button = videojsUntyped.getComponent('Button')
-const PeertubeLinkButton = videojsUntyped.extend(Button, {
- constructor: function (player) {
- Button.call(this, player)
- },
-
- createEl: function () {
- const link = document.createElement('a')
- link.href = window.location.href.replace('embed', 'watch')
- link.innerHTML = 'PeerTube'
- link.title = 'Go to the video page'
- link.className = 'vjs-peertube-link'
- link.target = '_blank'
-
- return link
- },
-
- handleClick: function () {
- this.player_.pause()
- }
-})
-Button.registerComponent('PeerTubeLinkButton', PeertubeLinkButton)
-
-const WebTorrentButton = videojsUntyped.extend(Button, {
- constructor: function (player) {
- Button.call(this, player)
- },
-
- createEl: function () {
- const div = document.createElement('div')
- const subDiv = document.createElement('div')
- div.appendChild(subDiv)
-
- const downloadIcon = document.createElement('span')
- downloadIcon.classList.add('icon', 'icon-download')
- subDiv.appendChild(downloadIcon)
-
- const downloadSpeedText = document.createElement('span')
- downloadSpeedText.classList.add('download-speed-text')
- const downloadSpeedNumber = document.createElement('span')
- downloadSpeedNumber.classList.add('download-speed-number')
- const downloadSpeedUnit = document.createElement('span')
- downloadSpeedText.appendChild(downloadSpeedNumber)
- downloadSpeedText.appendChild(downloadSpeedUnit)
- subDiv.appendChild(downloadSpeedText)
-
- const uploadIcon = document.createElement('span')
- uploadIcon.classList.add('icon', 'icon-upload')
- subDiv.appendChild(uploadIcon)
-
- const uploadSpeedText = document.createElement('span')
- uploadSpeedText.classList.add('upload-speed-text')
- const uploadSpeedNumber = document.createElement('span')
- uploadSpeedNumber.classList.add('upload-speed-number')
- const uploadSpeedUnit = document.createElement('span')
- uploadSpeedText.appendChild(uploadSpeedNumber)
- uploadSpeedText.appendChild(uploadSpeedUnit)
- subDiv.appendChild(uploadSpeedText)
-
- const peersText = document.createElement('span')
- peersText.textContent = ' peers'
- peersText.classList.add('peers-text')
- const peersNumber = document.createElement('span')
- peersNumber.classList.add('peers-number')
- subDiv.appendChild(peersNumber)
- subDiv.appendChild(peersText)
-
- div.className = 'vjs-webtorrent'
- // Hide the stats before we get the info
- subDiv.className = 'vjs-webtorrent-hidden'
-
- this.player_.on('torrentInfo', (event, data) => {
- const downloadSpeed = bytes(data.downloadSpeed)
- const uploadSpeed = bytes(data.uploadSpeed)
- const numPeers = data.numPeers
-
- downloadSpeedNumber.textContent = downloadSpeed[0]
- downloadSpeedUnit.textContent = ' ' + downloadSpeed[1]
-
- uploadSpeedNumber.textContent = uploadSpeed[0]
- uploadSpeedUnit.textContent = ' ' + uploadSpeed[1]
-
- peersNumber.textContent = numPeers
-
- subDiv.className = 'vjs-webtorrent-displayed'
+ private player: any
+ private currentVideoFile: VideoFile
+ private torrent: WebTorrent.Torrent
+ private renderer
+ private fakeRenderer
+ private autoResolution = true
+ private isAutoResolutionObservation = false
+
+ private videoViewInterval
+ private torrentInfoInterval
+ private autoQualityInterval
+ private addTorrentDelay
+ private qualityObservationTimer
+ private runAutoQualitySchedulerTimer
+
+ private downloadSpeeds: number[] = []
+
+ constructor (player: videojs.Player, options: PeertubePluginOptions) {
+ super(player, options)
+
+ // Disable auto play on iOS
+ this.autoplay = options.autoplay && this.isIOS() === false
+
+ this.startTime = options.startTime
+ this.videoFiles = options.videoFiles
+ this.videoViewUrl = options.videoViewUrl
+ this.videoDuration = options.videoDuration
+
+ this.savePlayerSrcFunction = this.player.src
+ // Hack to "simulate" src link in video.js >= 6
+ // Without this, we can't play the video after pausing it
+ // https://github.com/videojs/video.js/blob/master/src/js/player.js#L1633
+ this.player.src = () => true
+
+ this.playerElement = options.playerElement
+
+ if (this.autoplay === true) this.player.addClass('vjs-has-autoplay')
+
+ this.player.ready(() => {
+ const volume = getStoredVolume()
+ if (volume !== undefined) this.player.volume(volume)
+ const muted = getStoredMute()
+ if (muted !== undefined) this.player.muted(muted)
+
+ this.initializePlayer()
+ this.runTorrentInfoScheduler()
+ this.runViewAdd()
+
+ this.player.one('play', () => {
+ // Don't run immediately scheduler, wait some seconds the TCP connections are made
+ this.runAutoQualitySchedulerTimer = setTimeout(() => {
+ this.runAutoQualityScheduler()
+ }, this.CONSTANTS.AUTO_QUALITY_SCHEDULER)
+ })
})
- return div
+ this.player.on('volumechange', () => {
+ saveVolumeInStore(this.player.volume())
+ saveMuteInStore(this.player.muted())
+ })
}
-})
-Button.registerComponent('WebTorrentButton', WebTorrentButton)
-type PeertubePluginOptions = {
- videoFiles: VideoFile[]
- playerElement: HTMLVideoElement
- autoplay: boolean
- peerTubeLink: boolean
-}
-const peertubePlugin = function (options: PeertubePluginOptions) {
- const player = this
- let currentVideoFile: VideoFile = undefined
- const playerElement = options.playerElement
- player.videoFiles = options.videoFiles
+ dispose () {
+ clearTimeout(this.addTorrentDelay)
+ clearTimeout(this.qualityObservationTimer)
+ clearTimeout(this.runAutoQualitySchedulerTimer)
- // Hack to "simulate" src link in video.js >= 6
- // Without this, we can't play the video after pausing it
- // https://github.com/videojs/video.js/blob/master/src/js/player.js#L1633
- player.src = function () {
- return true
- }
+ clearInterval(this.videoViewInterval)
+ clearInterval(this.torrentInfoInterval)
+ clearInterval(this.autoQualityInterval)
+
+ // Don't need to destroy renderer, video player will be destroyed
+ this.flushVideoFile(this.currentVideoFile, false)
- player.getCurrentResolution = function () {
- return currentVideoFile ? currentVideoFile.resolution : -1
+ this.destroyFakeRenderer()
}
- player.getCurrentResolutionLabel = function () {
- return currentVideoFile ? currentVideoFile.resolutionLabel : ''
+ getCurrentResolutionId () {
+ return this.currentVideoFile ? this.currentVideoFile.resolution.id : -1
}
- player.updateVideoFile = function (videoFile: VideoFile, done: () => void) {
- if (done === undefined) {
- done = () => { /* empty */ }
- }
+ getCurrentResolutionLabel () {
+ return this.currentVideoFile ? this.currentVideoFile.resolution.label : ''
+ }
- // Pick the first one
+ updateVideoFile (
+ videoFile?: VideoFile,
+ options: {
+ forcePlay?: boolean,
+ seek?: number,
+ delay?: number
+ } = {},
+ done: () => void = () => { /* empty */ }
+ ) {
+ // Automatically choose the adapted video file
if (videoFile === undefined) {
- videoFile = player.videoFiles[0]
+ const savedAverageBandwidth = getAverageBandwidth()
+ videoFile = savedAverageBandwidth
+ ? this.getAppropriateFile(savedAverageBandwidth)
+ : this.pickAverageVideoFile()
}
// Don't add the same video file once again
- if (currentVideoFile !== undefined && currentVideoFile.magnetUri === videoFile.magnetUri) {
+ if (this.currentVideoFile !== undefined && this.currentVideoFile.magnetUri === videoFile.magnetUri) {
return
}
- const previousVideoFile = currentVideoFile
- currentVideoFile = videoFile
+ // Do not display error to user because we will have multiple fallback
+ this.disableErrorDisplay()
- console.log('Adding ' + videoFile.magnetUri + '.')
- player.torrent = webtorrent.add(videoFile.magnetUri, torrent => {
- console.log('Added ' + videoFile.magnetUri + '.')
+ this.player.src = () => true
+ const oldPlaybackRate = this.player.playbackRate()
- this.flushVideoFile(previousVideoFile)
+ const previousVideoFile = this.currentVideoFile
+ this.currentVideoFile = videoFile
- const options = { autoplay: true, controls: true }
- renderVideo(torrent.files[0], playerElement, options,(err, renderer) => {
- if (err) return handleError(err)
+ this.addTorrent(this.currentVideoFile.magnetUri, previousVideoFile, options, () => {
+ this.player.playbackRate(oldPlaybackRate)
+ return done()
+ })
- this.renderer = renderer
- player.play()
+ this.trigger('videoFileUpdate')
+ }
- return done()
+ addTorrent (
+ magnetOrTorrentUrl: string,
+ previousVideoFile: VideoFile,
+ options: {
+ forcePlay?: boolean,
+ seek?: number,
+ delay?: number
+ },
+ done: Function
+ ) {
+ console.log('Adding ' + magnetOrTorrentUrl + '.')
+
+ const oldTorrent = this.torrent
+ const torrentOptions = {
+ store: (chunkLength, storeOpts) => new CacheChunkStore(new PeertubeChunkStore(chunkLength, storeOpts), {
+ max: 100
})
+ }
+
+ this.torrent = this.webtorrent.add(magnetOrTorrentUrl, torrentOptions, torrent => {
+ console.log('Added ' + magnetOrTorrentUrl + '.')
+
+ if (oldTorrent) {
+ // Pause the old torrent
+ oldTorrent.pause()
+ // Pause does not remove actual peers (in particular the webseed peer)
+ oldTorrent.removePeer(oldTorrent['ws'])
+
+ // We use a fake renderer so we download correct pieces of the next file
+ if (options.delay) {
+ const fakeVideoElem = document.createElement('video')
+ renderVideo(torrent.files[0], fakeVideoElem, { autoplay: false, controls: false }, (err, renderer) => {
+ this.fakeRenderer = renderer
+
+ if (err) console.error('Cannot render new torrent in fake video element.', err)
+
+ // Load the future file at the correct time
+ fakeVideoElem.currentTime = this.player.currentTime() + (options.delay / 2000)
+ })
+ }
+ }
+
+ // Render the video in a few seconds? (on resolution change for example, we wait some seconds of the new video resolution)
+ this.addTorrentDelay = setTimeout(() => {
+ this.destroyFakeRenderer()
+
+ const paused = this.player.paused()
+
+ this.flushVideoFile(previousVideoFile)
+
+ const renderVideoOptions = { autoplay: false, controls: true }
+ renderVideo(torrent.files[0], this.playerElement, renderVideoOptions,(err, renderer) => {
+ this.renderer = renderer
+
+ if (err) return this.fallbackToHttp(done)
+
+ return this.tryToPlay(err => {
+ if (err) return done(err)
+
+ if (options.seek) this.seek(options.seek)
+ if (options.forcePlay === false && paused === true) this.player.pause()
+ })
+ })
+ }, options.delay || 0)
})
- player.torrent.on('error', err => handleError(err))
- player.torrent.on('warning', err => {
+ this.torrent.on('error', err => this.handleError(err))
+
+ this.torrent.on('warning', (err: any) => {
// We don't support HTTP tracker but we don't care -> we use the web socket tracker
- if (err.message.indexOf('Unsupported tracker protocol: http') !== -1) return
+ if (err.message.indexOf('Unsupported tracker protocol') !== -1) return
+
// Users don't care about issues with WebRTC, but developers do so log it in the console
if (err.message.indexOf('Ice connection failed') !== -1) {
console.error(err)
return
}
- return handleError(err)
- })
-
- player.trigger('videoFileUpdate')
+ // Magnet hash is not up to date with the torrent file, add directly the torrent file
+ if (err.message.indexOf('incorrect info hash') !== -1) {
+ console.error('Incorrect info hash detected, falling back to torrent file.')
+ const options = { forcePlay: true }
+ return this.addTorrent(this.torrent['xs'], previousVideoFile, options, done)
+ }
- return player
+ return this.handleError(err)
+ })
}
- player.updateResolution = function (resolution) {
+ updateResolution (resolutionId: number, delay = 0) {
// Remember player state
- const currentTime = player.currentTime()
- const isPaused = player.paused()
+ const currentTime = this.player.currentTime()
+ const isPaused = this.player.paused()
+
+ // Remove poster to have black background
+ this.playerElement.poster = ''
// Hide bigPlayButton
- if (!isPaused && this.player_.options_.bigPlayButton) {
- this.player_.bigPlayButton.hide()
+ if (!isPaused) {
+ this.player.bigPlayButton.hide()
}
- const newVideoFile = player.videoFiles.find(f => f.resolution === resolution)
- player.updateVideoFile(newVideoFile, () => {
- player.currentTime(currentTime)
- player.handleTechSeeked_()
- })
+ const newVideoFile = this.videoFiles.find(f => f.resolution.id === resolutionId)
+ const options = {
+ forcePlay: false,
+ delay,
+ seek: currentTime + (delay / 1000)
+ }
+ this.updateVideoFile(newVideoFile, options)
}
- player.flushVideoFile = function (videoFile: VideoFile, destroyRenderer = true) {
- if (videoFile !== undefined && webtorrent.get(videoFile.magnetUri)) {
- if (destroyRenderer === true) this.renderer.destroy()
- webtorrent.remove(videoFile.magnetUri)
+ flushVideoFile (videoFile: VideoFile, destroyRenderer = true) {
+ if (videoFile !== undefined && this.webtorrent.get(videoFile.magnetUri)) {
+ if (destroyRenderer === true && this.renderer && this.renderer.destroy) this.renderer.destroy()
+
+ this.webtorrent.remove(videoFile.magnetUri)
+ console.log('Removed ' + videoFile.magnetUri)
}
}
- player.ready(function () {
- const controlBar = player.controlBar
+ isAutoResolutionOn () {
+ return this.autoResolution
+ }
- const menuButton = new ResolutionMenuButton(player, options)
- const fullscreenElement = controlBar.fullscreenToggle.el()
- controlBar.resolutionSwitcher = controlBar.el().insertBefore(menuButton.el(), fullscreenElement)
- controlBar.resolutionSwitcher.dispose = function () {
- this.parentNode.removeChild(this)
- }
+ enableAutoResolution () {
+ this.autoResolution = true
+ this.trigger('autoResolutionUpdate')
+ }
+
+ disableAutoResolution () {
+ this.autoResolution = false
+ this.trigger('autoResolutionUpdate')
+ }
+
+ getCurrentVideoFile () {
+ return this.currentVideoFile
+ }
+
+ getTorrent () {
+ return this.torrent
+ }
- player.dispose = function () {
- // Don't need to destroy renderer, video player will be destroyed
- player.flushVideoFile(currentVideoFile, false)
+ private tryToPlay (done?: Function) {
+ if (!done) done = function () { /* empty */ }
+
+ const playPromise = this.player.play()
+ if (playPromise !== undefined) {
+ return playPromise.then(done)
+ .catch(err => {
+ console.error(err)
+ this.player.pause()
+ this.player.posterImage.show()
+ this.player.removeClass('vjs-has-autoplay')
+ this.player.removeClass('vjs-has-big-play-button-clicked')
+
+ return done()
+ })
}
- if (options.peerTubeLink === true) {
- const peerTubeLinkButton = new PeertubeLinkButton(player)
- controlBar.peerTubeLink = controlBar.el().insertBefore(peerTubeLinkButton.el(), fullscreenElement)
+ return done()
+ }
+
+ private seek (time: number) {
+ this.player.currentTime(time)
+ this.player.handleTechSeeked_()
+ }
+
+ private getAppropriateFile (averageDownloadSpeed?: number): VideoFile {
+ if (this.videoFiles === undefined || this.videoFiles.length === 0) return undefined
+ if (this.videoFiles.length === 1) return this.videoFiles[0]
+
+ // Don't change the torrent is the play was ended
+ if (this.torrent && this.torrent.progress === 1 && this.player.ended()) return this.currentVideoFile
- controlBar.peerTubeLink.dispose = function () {
- this.parentNode.removeChild(this)
+ if (!averageDownloadSpeed) averageDownloadSpeed = this.getAndSaveActualDownloadSpeed()
+
+ // Filter videos we can play according to our bandwidth
+ const filteredFiles = this.videoFiles.filter(f => {
+ const fileBitrate = (f.size / this.videoDuration)
+ let threshold = fileBitrate
+
+ // If this is for a higher resolution or an initial load: add a margin
+ if (!this.currentVideoFile || f.resolution.id > this.currentVideoFile.resolution.id) {
+ threshold += ((fileBitrate * this.CONSTANTS.AUTO_QUALITY_THRESHOLD_PERCENT) / 100)
}
- }
- const webTorrentButton = new WebTorrentButton(player)
- controlBar.webTorrent = controlBar.el().insertBefore(webTorrentButton.el(), controlBar.progressControl.el())
- controlBar.webTorrent.dispose = function () {
- this.parentNode.removeChild(this)
- }
+ return averageDownloadSpeed > threshold
+ })
+
+ // If the download speed is too bad, return the lowest resolution we have
+ if (filteredFiles.length === 0) return videoFileMinByResolution(this.videoFiles)
+
+ return videoFileMaxByResolution(filteredFiles)
+ }
+
+ private getAndSaveActualDownloadSpeed () {
+ const start = Math.max(this.downloadSpeeds.length - this.CONSTANTS.BANDWIDTH_AVERAGE_NUMBER_OF_VALUES, 0)
+ const lastDownloadSpeeds = this.downloadSpeeds.slice(start, this.downloadSpeeds.length)
+ if (lastDownloadSpeeds.length === 0) return -1
+
+ const sum = lastDownloadSpeeds.reduce((a, b) => a + b)
+ const averageBandwidth = Math.round(sum / lastDownloadSpeeds.length)
+
+ // Save the average bandwidth for future use
+ saveAverageBandwidth(averageBandwidth)
+
+ return averageBandwidth
+ }
+
+ private initializePlayer () {
+ if (isMobile()) this.player.addClass('vjs-is-mobile')
+
+ this.initSmoothProgressBar()
+
+ this.alterInactivity()
+
+ if (this.autoplay === true) {
+ this.player.posterImage.hide()
- if (options.autoplay === true) {
- player.updateVideoFile()
+ this.updateVideoFile(undefined, { forcePlay: true, seek: this.startTime })
} else {
- player.one('play', () => {
- // Pause, we wait the video to load before
- player.pause()
+ // Don't try on iOS that does not support MediaSource
+ if (this.isIOS()) {
+ this.currentVideoFile = this.pickAverageVideoFile()
+ return this.fallbackToHttp(undefined, false)
+ }
- player.updateVideoFile(undefined, () => player.play())
- })
+ // Proxy first play
+ const oldPlay = this.player.play.bind(this.player)
+ this.player.play = () => {
+ this.player.addClass('vjs-has-big-play-button-clicked')
+ this.player.play = oldPlay
+
+ this.updateVideoFile(undefined, { forcePlay: true, seek: this.startTime })
+ }
}
+ }
- setInterval(() => {
- if (player.torrent !== undefined) {
- player.trigger('torrentInfo', {
- downloadSpeed: player.torrent.downloadSpeed,
- numPeers: player.torrent.numPeers,
- uploadSpeed: player.torrent.uploadSpeed
- })
+ private runAutoQualityScheduler () {
+ this.autoQualityInterval = setInterval(() => {
+
+ // Not initialized or in HTTP fallback
+ if (this.torrent === undefined || this.torrent === null) return
+ if (this.isAutoResolutionOn() === false) return
+ if (this.isAutoResolutionObservation === true) return
+
+ const file = this.getAppropriateFile()
+ let changeResolution = false
+ let changeResolutionDelay = 0
+
+ // Lower resolution
+ if (this.isPlayerWaiting() && file.resolution.id < this.currentVideoFile.resolution.id) {
+ console.log('Downgrading automatically the resolution to: %s', file.resolution.label)
+ changeResolution = true
+ } else if (file.resolution.id > this.currentVideoFile.resolution.id) { // Higher resolution
+ console.log('Upgrading automatically the resolution to: %s', file.resolution.label)
+ changeResolution = true
+ changeResolutionDelay = this.CONSTANTS.AUTO_QUALITY_HIGHER_RESOLUTION_DELAY
+ }
+
+ if (changeResolution === true) {
+ this.updateResolution(file.resolution.id, changeResolutionDelay)
+
+ // Wait some seconds in observation of our new resolution
+ this.isAutoResolutionObservation = true
+
+ this.qualityObservationTimer = setTimeout(() => {
+ this.isAutoResolutionObservation = false
+ }, this.CONSTANTS.AUTO_QUALITY_OBSERVATION_TIME)
+ }
+ }, this.CONSTANTS.AUTO_QUALITY_SCHEDULER)
+ }
+
+ private isPlayerWaiting () {
+ return this.player && this.player.hasClass('vjs-waiting')
+ }
+
+ private runTorrentInfoScheduler () {
+ this.torrentInfoInterval = setInterval(() => {
+ // Not initialized yet
+ if (this.torrent === undefined) return
+
+ // Http fallback
+ if (this.torrent === null) return this.trigger('torrentInfo', false)
+
+ // this.webtorrent.downloadSpeed because we need to take into account the potential old torrent too
+ if (this.webtorrent.downloadSpeed !== 0) this.downloadSpeeds.push(this.webtorrent.downloadSpeed)
+
+ return this.trigger('torrentInfo', {
+ downloadSpeed: this.torrent.downloadSpeed,
+ numPeers: this.torrent.numPeers,
+ uploadSpeed: this.torrent.uploadSpeed
+ })
+ }, this.CONSTANTS.INFO_SCHEDULER)
+ }
+
+ private runViewAdd () {
+ this.clearVideoViewInterval()
+
+ // After 30 seconds (or 3/4 of the video), add a view to the video
+ let minSecondsToView = 30
+
+ if (this.videoDuration < minSecondsToView) minSecondsToView = (this.videoDuration * 3) / 4
+
+ let secondsViewed = 0
+ this.videoViewInterval = setInterval(() => {
+ if (this.player && !this.player.paused()) {
+ secondsViewed += 1
+
+ if (secondsViewed > minSecondsToView) {
+ this.clearVideoViewInterval()
+
+ this.addViewToVideo().catch(err => console.error(err))
+ }
}
}, 1000)
- })
+ }
- function handleError (err: Error | string) {
- return player.trigger('customError', { err })
+ private clearVideoViewInterval () {
+ if (this.videoViewInterval !== undefined) {
+ clearInterval(this.videoViewInterval)
+ this.videoViewInterval = undefined
+ }
+ }
+
+ private addViewToVideo () {
+ if (!this.videoViewUrl) return Promise.resolve(undefined)
+
+ return fetch(this.videoViewUrl, { method: 'POST' })
+ }
+
+ private fallbackToHttp (done?: Function, play = true) {
+ this.flushVideoFile(this.currentVideoFile, true)
+ this.torrent = null
+
+ // Enable error display now this is our last fallback
+ this.player.one('error', () => this.enableErrorDisplay())
+
+ const httpUrl = this.currentVideoFile.fileUrl
+ this.player.src = this.savePlayerSrcFunction
+ this.player.src(httpUrl)
+ if (play) this.tryToPlay()
+
+ if (done) return done()
+ }
+
+ private handleError (err: Error | string) {
+ return this.player.trigger('customError', { err })
+ }
+
+ private enableErrorDisplay () {
+ this.player.addClass('vjs-error-display-enabled')
+ }
+
+ private disableErrorDisplay () {
+ this.player.removeClass('vjs-error-display-enabled')
+ }
+
+ private isIOS () {
+ return !!navigator.platform && /iPad|iPhone|iPod/.test(navigator.platform)
+ }
+
+ private alterInactivity () {
+ let saveInactivityTimeout: number
+
+ const disableInactivity = () => {
+ saveInactivityTimeout = this.player.options_.inactivityTimeout
+ this.player.options_.inactivityTimeout = 0
+ }
+ const enableInactivity = () => {
+ this.player.options_.inactivityTimeout = saveInactivityTimeout
+ }
+
+ const settingsDialog = this.player.children_.find(c => c.name_ === 'SettingsDialog')
+
+ this.player.controlBar.on('mouseenter', () => disableInactivity())
+ settingsDialog.on('mouseenter', () => disableInactivity())
+ this.player.controlBar.on('mouseleave', () => enableInactivity())
+ settingsDialog.on('mouseleave', () => enableInactivity())
+ }
+
+ private pickAverageVideoFile () {
+ if (this.videoFiles.length === 1) return this.videoFiles[0]
+
+ return this.videoFiles[Math.floor(this.videoFiles.length / 2)]
+ }
+
+ private destroyFakeRenderer () {
+ if (this.fakeRenderer) {
+ if (this.fakeRenderer.destroy) {
+ try {
+ this.fakeRenderer.destroy()
+ } catch (err) {
+ console.log('Cannot destroy correctly fake renderer.', err)
+ }
+ }
+ this.fakeRenderer = undefined
+ }
+ }
+
+ // Thanks: https://github.com/videojs/video.js/issues/4460#issuecomment-312861657
+ private initSmoothProgressBar () {
+ const SeekBar = videojsUntyped.getComponent('SeekBar')
+ SeekBar.prototype.getPercent = function getPercent () {
+ // Allows for smooth scrubbing, when player can't keep up.
+ // const time = (this.player_.scrubbing()) ?
+ // this.player_.getCache().currentTime :
+ // this.player_.currentTime()
+ const time = this.player_.currentTime()
+ const percent = time / this.player_.duration()
+ return percent >= 1 ? 1 : percent
+ }
+ SeekBar.prototype.handleMouseMove = function handleMouseMove (event) {
+ let newTime = this.calculateDistance(event) * this.player_.duration()
+ if (newTime === this.player_.duration()) {
+ newTime = newTime - 0.1
+ }
+ this.player_.currentTime(newTime)
+ this.update()
+ }
}
}
-videojsUntyped.registerPlugin('peertube', peertubePlugin)
+videojs.registerPlugin('peertube', PeerTubePlugin)
+export { PeerTubePlugin }