import { renderVideo } from './video-renderer'
import './settings-menu-button'
import { PeertubePluginOptions, VideoJSComponentInterface, videojsUntyped } from './peertube-videojs-typings'
-import { getStoredMute, getStoredVolume, saveMuteInStore, saveVolumeInStore } from './utils'
+import {
+ getAverageBandwidth,
+ getStoredMute,
+ getStoredVolume,
+ saveAverageBandwidth,
+ saveMuteInStore,
+ saveVolumeInStore
+} from './utils'
+import minBy from 'lodash-es/minBy'
+import maxBy from 'lodash-es/maxBy'
const webtorrent = new WebTorrent({
tracker: {
const Plugin: VideoJSComponentInterface = videojsUntyped.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
+ }
+
private player: any
private currentVideoFile: VideoFile
- private videoFiles: VideoFile[]
private torrent: WebTorrent.Torrent
- private videoViewUrl: string
- private videoDuration: number
+ 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)
- // Fix canplay event on google chrome by disabling default videojs autoplay
- this.autoplay = this.player.options_.autoplay
- this.player.options_.autoplay = false
+ this.autoplay = options.autoplay
+ this.startTime = options.startTime
this.videoFiles = options.videoFiles
this.videoViewUrl = options.videoViewUrl
this.videoDuration = options.videoDuration
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)
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)
+ })
})
this.player.on('volumechange', () => {
}
dispose () {
+ clearTimeout(this.addTorrentDelay)
+ clearTimeout(this.qualityObservationTimer)
+ clearTimeout(this.runAutoQualitySchedulerTimer)
+
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)
return this.currentVideoFile ? this.currentVideoFile.resolution.label : ''
}
- updateVideoFile (videoFile?: VideoFile, done?: () => void) {
+ updateVideoFile (videoFile?: VideoFile, delay = 0, done?: () => void) {
if (done === undefined) {
done = () => { /* empty */ }
}
- // Pick the first one
+ // Automatically choose the adapted video file
if (videoFile === undefined) {
- videoFile = this.videoFiles[0]
+ const savedAverageBandwidth = getAverageBandwidth()
+ videoFile = savedAverageBandwidth
+ ? this.getAppropriateFile(savedAverageBandwidth)
+ : this.videoFiles[0]
}
// Don't add the same video file once again
const previousVideoFile = this.currentVideoFile
this.currentVideoFile = videoFile
- this.addTorrent(this.currentVideoFile.magnetUri, previousVideoFile, () => {
+ this.addTorrent(this.currentVideoFile.magnetUri, previousVideoFile, delay, () => {
this.player.playbackRate(oldPlaybackRate)
return done()
})
this.trigger('videoFileUpdate')
}
- addTorrent (magnetOrTorrentUrl: string, previousVideoFile: VideoFile, done: Function) {
+ addTorrent (magnetOrTorrentUrl: string, previousVideoFile: VideoFile, delay = 0, done: Function) {
console.log('Adding ' + magnetOrTorrentUrl + '.')
+ const oldTorrent = this.torrent
this.torrent = webtorrent.add(magnetOrTorrentUrl, torrent => {
console.log('Added ' + magnetOrTorrentUrl + '.')
- this.flushVideoFile(previousVideoFile)
+ // Pause the old torrent
+ if (oldTorrent) {
+ oldTorrent.pause()
+ // Pause does not remove actual peers (in particular the webseed peer)
+ oldTorrent.removePeer(oldTorrent['ws'])
+ }
- const options = { autoplay: true, controls: true }
- renderVideo(torrent.files[0], this.playerElement, options,(err, renderer) => {
- this.renderer = renderer
+ this.addTorrentDelay = setTimeout(() => {
+ this.flushVideoFile(previousVideoFile)
- if (err) return this.fallbackToHttp(done)
+ const options = { autoplay: true, controls: true }
+ renderVideo(torrent.files[0], this.playerElement, options,(err, renderer) => {
+ this.renderer = renderer
- if (!this.player.paused()) {
- const playPromise = this.player.play()
- if (playPromise !== undefined) return playPromise.then(done)
+ if (err) return this.fallbackToHttp(done)
- return done()
- }
+ if (!this.player.paused()) return this.tryToPlay(done)
- return done()
- })
+ return done()
+ })
+ }, delay)
})
this.torrent.on('error', err => this.handleError(err))
// 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.')
- return this.addTorrent(this.torrent['xs'], previousVideoFile, done)
+ return this.addTorrent(this.torrent['xs'], previousVideoFile, 0, done)
}
return this.handleError(err)
})
}
- updateResolution (resolutionId: number) {
+ updateResolution (resolutionId: number, delay = 0) {
// Remember player state
const currentTime = this.player.currentTime()
const isPaused = this.player.paused()
}
const newVideoFile = this.videoFiles.find(f => f.resolution.id === resolutionId)
- this.updateVideoFile(newVideoFile, () => {
- this.player.currentTime(currentTime)
- this.player.handleTechSeeked_()
- })
+ this.updateVideoFile(newVideoFile, delay, () => this.seek(currentTime))
}
flushVideoFile (videoFile: VideoFile, destroyRenderer = true) {
}
}
- setVideoFiles (files: VideoFile[], videoViewUrl: string, videoDuration: number) {
- this.videoViewUrl = videoViewUrl
- this.videoDuration = videoDuration
- this.videoFiles = files
+ isAutoResolutionOn () {
+ return this.autoResolution
+ }
+
+ enableAutoResolution () {
+ this.autoResolution = true
+ this.trigger('autoResolutionUpdate')
+ }
+
+ disableAutoResolution () {
+ this.autoResolution = false
+ this.trigger('autoResolutionUpdate')
+ }
+
+ 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')
+
+ return done()
+ })
+ }
+
+ 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]
+ if (this.torrent && this.torrent.progress === 1) return this.currentVideoFile
+
+ if (!averageDownloadSpeed) averageDownloadSpeed = this.getActualDownloadSpeed()
+
+ // 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)
+ }
+
+ return averageDownloadSpeed > threshold
+ })
+
+ // If the download speed is too bad, return the lowest resolution we have
+ if (filteredFiles.length === 0) return minBy(this.videoFiles, 'resolution.id')
+
+ return maxBy(filteredFiles, 'resolution.id')
+ }
+
+ private getActualDownloadSpeed () {
+ 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)
- // Re run view add for the new video
- this.runViewAdd()
- this.updateVideoFile(undefined, () => this.player.play())
+ return averageBandwidth
}
private initializePlayer () {
if (this.autoplay === true) {
this.player.posterImage.hide()
- this.updateVideoFile(undefined, () => this.player.play())
+
+ this.updateVideoFile(undefined, 0, () => {
+ this.seek(this.startTime)
+ this.tryToPlay()
+ })
} else {
// Proxy first play
const oldPlay = this.player.play.bind(this.player)
this.player.play = () => {
- this.updateVideoFile(undefined, () => oldPlay)
+ this.player.addClass('vjs-has-big-play-button-clicked')
this.player.play = oldPlay
+
+ this.updateVideoFile(undefined, 0, () => this.seek(this.startTime))
}
}
}
+ 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
// Http fallback
if (this.torrent === null) return this.trigger('torrentInfo', false)
+ // webtorrent.downloadSpeed because we need to take into account the potential old torrent too
+ if (webtorrent.downloadSpeed !== 0) this.downloadSpeeds.push(webtorrent.downloadSpeed)
+
return this.trigger('torrentInfo', {
downloadSpeed: this.torrent.downloadSpeed,
numPeers: this.torrent.numPeers,
uploadSpeed: this.torrent.uploadSpeed
})
- }, 1000)
+ }, this.CONSTANTS.INFO_SCHEDULER)
}
private runViewAdd () {
projects / github / Chocobozzz / PeerTube.git / blobdiff