+// FIXME: something weird with our path definition in tsconfig and typings
+// @ts-ignore
import * as videojs from 'video.js'
+
import * as WebTorrent from 'webtorrent'
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 { isMobile, videoFileMaxByResolution, videoFileMinByResolution } from './utils'
-import * as CacheChunkStore from 'cache-chunk-store'
+import { PeertubePluginOptions, UserWatching, VideoJSCaption, VideoJSComponentInterface, videojsUntyped } from './peertube-videojs-typings'
+import { isMobile, timeToInt, videoFileMaxByResolution, videoFileMinByResolution } from './utils'
import { PeertubeChunkStore } from './peertube-chunk-store'
import {
getAverageBandwidthInStore,
getStoredMute,
getStoredVolume,
+ getStoredWebTorrentEnabled,
saveAverageBandwidth,
saveMuteInStore,
saveVolumeInStore
} from './peertube-player-local-storage'
+const CacheChunkStore = require('cache-chunk-store')
+
+type PlayOptions = {
+ forcePlay?: boolean,
+ seek?: number,
+ delay?: number
+}
+
const Plugin: VideoJSComponentInterface = videojs.getPlugin('plugin')
class PeerTubePlugin extends Plugin {
private readonly playerElement: HTMLVideoElement
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
+ BANDWIDTH_AVERAGE_NUMBER_OF_VALUES: 5, // Last 5 seconds to build average bandwidth
+ USER_WATCHING_VIDEO_INTERVAL: 5000 // Every 5 seconds, notify the user is watching the video
}
private readonly webtorrent = new WebTorrent({
private player: any
private currentVideoFile: VideoFile
private torrent: WebTorrent.Torrent
- private renderer
- private fakeRenderer
+ private videoCaptions: VideoJSCaption[]
+
+ private renderer: any
+ private fakeRenderer: any
+ private destoyingFakeRenderer = false
+
private autoResolution = true
private forbidAutoResolution = false
private isAutoResolutionObservation = false
+ private playerRefusedP2P = false
- private videoViewInterval
- private torrentInfoInterval
- private autoQualityInterval
- private addTorrentDelay
- private qualityObservationTimer
- private runAutoQualitySchedulerTimer
+ private videoViewInterval: any
+ private torrentInfoInterval: any
+ private autoQualityInterval: any
+ private userWatchingVideoInterval: any
+ private addTorrentDelay: any
+ private qualityObservationTimer: any
+ private runAutoQualitySchedulerTimer: any
private downloadSpeeds: number[] = []
// Disable auto play on iOS
this.autoplay = options.autoplay && this.isIOS() === false
+ this.playerRefusedP2P = !getStoredWebTorrentEnabled()
- this.startTime = options.startTime
+ this.startTime = timeToInt(options.startTime)
this.videoFiles = options.videoFiles
this.videoViewUrl = options.videoViewUrl
this.videoDuration = options.videoDuration
+ this.videoCaptions = options.videoCaptions
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')
const muted = getStoredMute()
if (muted !== undefined) this.player.muted(muted)
+ this.player.duration(options.videoDuration)
+
this.initializePlayer()
this.runTorrentInfoScheduler()
this.runViewAdd()
+ if (options.userWatching) this.runUserWatchVideo(options.userWatching)
+
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.runAutoQualitySchedulerTimer = setTimeout(() => this.runAutoQualityScheduler(), this.CONSTANTS.AUTO_QUALITY_SCHEDULER)
})
})
clearInterval(this.torrentInfoInterval)
clearInterval(this.autoQualityInterval)
+ if (this.userWatchingVideoInterval) clearInterval(this.userWatchingVideoInterval)
+
// Don't need to destroy renderer, video player will be destroyed
this.flushVideoFile(this.currentVideoFile, false)
}
getCurrentResolutionLabel () {
- return this.currentVideoFile ? this.currentVideoFile.resolution.label : ''
+ if (!this.currentVideoFile) return ''
+
+ const fps = this.currentVideoFile.fps >= 50 ? this.currentVideoFile.fps : ''
+ return this.currentVideoFile.resolution.label + fps
}
updateVideoFile (
// Do not display error to user because we will have multiple fallback
this.disableErrorDisplay()
+ // 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
const oldPlaybackRate = this.player.playbackRate()
const previousVideoFile = this.currentVideoFile
this.currentVideoFile = videoFile
+ // Don't try on iOS that does not support MediaSource
+ // Or don't use P2P if webtorrent is disabled
+ if (this.isIOS() || this.playerRefusedP2P) {
+ return this.fallbackToHttp(options, () => {
+ this.player.playbackRate(oldPlaybackRate)
+ return done()
+ })
+ }
+
this.addTorrent(this.currentVideoFile.magnetUri, previousVideoFile, options, () => {
this.player.playbackRate(oldPlaybackRate)
return done()
this.trigger('videoFileUpdate')
}
- addTorrent (
+ updateResolution (resolutionId: number, delay = 0) {
+ // Remember player state
+ 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.bigPlayButton.hide()
+ }
+
+ const newVideoFile = this.videoFiles.find(f => f.resolution.id === resolutionId)
+ const options = {
+ forcePlay: false,
+ delay,
+ seek: currentTime + (delay / 1000)
+ }
+ this.updateVideoFile(newVideoFile, options)
+ }
+
+ 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)
+ }
+ }
+
+ isAutoResolutionOn () {
+ return this.autoResolution
+ }
+
+ enableAutoResolution () {
+ this.autoResolution = true
+ this.trigger('autoResolutionUpdate')
+ }
+
+ disableAutoResolution (forbid = false) {
+ if (forbid === true) this.forbidAutoResolution = true
+
+ this.autoResolution = false
+ this.trigger('autoResolutionUpdate')
+ }
+
+ isAutoResolutionForbidden () {
+ return this.forbidAutoResolution === true
+ }
+
+ getCurrentVideoFile () {
+ return this.currentVideoFile
+ }
+
+ getTorrent () {
+ return this.torrent
+ }
+
+ private addTorrent (
magnetOrTorrentUrl: string,
previousVideoFile: VideoFile,
- options: {
- forcePlay?: boolean,
- seek?: number,
- delay?: number
- },
+ options: PlayOptions,
done: Function
) {
console.log('Adding ' + magnetOrTorrentUrl + '.')
const oldTorrent = this.torrent
const torrentOptions = {
- store: (chunkLength, storeOpts) => new CacheChunkStore(new PeertubeChunkStore(chunkLength, storeOpts), {
+ store: (chunkLength: number, storeOpts: any) => new CacheChunkStore(new PeertubeChunkStore(chunkLength, storeOpts), {
max: 100
})
}
if (oldTorrent) {
// Pause the old torrent
- oldTorrent.pause()
- // Pause does not remove actual peers (in particular the webseed peer)
- oldTorrent.removePeer(oldTorrent['ws'])
+ this.stopTorrent(oldTorrent)
// 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)
- })
- }
+ if (options.delay) this.renderFileInFakeElement(torrent.files[ 0 ], options.delay)
}
// Render the video in a few seconds? (on resolution change for example, we wait some seconds of the new video resolution)
this.addTorrentDelay = setTimeout(() => {
+ // We don't need the fake renderer anymore
this.destroyFakeRenderer()
const paused = this.player.paused()
this.flushVideoFile(previousVideoFile)
+ // Update progress bar (just for the UI), do not wait rendering
+ if (options.seek) this.player.currentTime(options.seek)
+
const renderVideoOptions = { autoplay: false, controls: true }
- renderVideo(torrent.files[0], this.playerElement, renderVideoOptions,(err, renderer) => {
+ renderVideo(torrent.files[ 0 ], this.playerElement, renderVideoOptions, (err, renderer) => {
this.renderer = renderer
- if (err) return this.fallbackToHttp(done)
+ if (err) return this.fallbackToHttp(options, 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()
+
+ return done()
})
})
}, options.delay || 0)
})
- this.torrent.on('error', err => console.error(err))
+ this.torrent.on('error', (err: any) => console.error(err))
this.torrent.on('warning', (err: any) => {
// We don't support HTTP tracker but we don't care -> we use the web socket tracker
// 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)
+ const newOptions = { forcePlay: true, seek: options.seek }
+ return this.addTorrent(this.torrent[ 'xs' ], previousVideoFile, newOptions, done)
}
- return console.warn(err)
- })
- }
-
- updateResolution (resolutionId: number, delay = 0) {
- // Remember player state
- 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.bigPlayButton.hide()
- }
-
- const newVideoFile = this.videoFiles.find(f => f.resolution.id === resolutionId)
- const options = {
- forcePlay: false,
- delay,
- seek: currentTime + (delay / 1000)
- }
- this.updateVideoFile(newVideoFile, options)
- }
-
- 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)
- }
- }
-
- isAutoResolutionOn () {
- return this.autoResolution
- }
-
- enableAutoResolution () {
- this.autoResolution = true
- this.trigger('autoResolutionUpdate')
- }
-
- disableAutoResolution (forbid = false) {
- if (forbid === true) this.forbidAutoResolution = true
-
- this.autoResolution = false
- this.trigger('autoResolutionUpdate')
- }
-
- isAutoResolutionForbidden () {
- return this.forbidAutoResolution === true
- }
-
- getCurrentVideoFile () {
- return this.currentVideoFile
- }
+ // Remote instance is down
+ if (err.message.indexOf('from xs param') !== -1) {
+ this.handleError(err)
+ }
- getTorrent () {
- return this.torrent
+ console.warn(err)
+ })
}
- private tryToPlay (done?: Function) {
+ private tryToPlay (done?: (err?: Error) => void) {
if (!done) done = function () { /* empty */ }
const playPromise = this.player.play()
if (playPromise !== undefined) {
return playPromise.then(done)
- .catch(err => {
+ .catch((err: Error) => {
if (err.message.indexOf('The play() request was interrupted by a call to pause()') !== -1) {
return
}
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)
+ // Limit resolution according to player height
+ const playerHeight = this.playerElement.offsetHeight as number
+
+ // We take the first resolution just above the player height
+ // Example: player height is 530px, we want the 720p file instead of 480p
+ let maxResolution = this.videoFiles[0].resolution.id
+ for (let i = this.videoFiles.length - 1; i >= 0; i--) {
+ const resolutionId = this.videoFiles[i].resolution.id
+ if (resolutionId >= playerHeight) {
+ maxResolution = resolutionId
+ break
}
+ }
- return averageDownloadSpeed > threshold
- })
+ // Filter videos we can play according to our screen resolution and bandwidth
+ const filteredFiles = this.videoFiles
+ .filter(f => f.resolution.id <= maxResolution)
+ .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 videoFileMinByResolution(this.videoFiles)
this.initSmoothProgressBar()
+ this.initCaptions()
+
this.alterInactivity()
if (this.autoplay === true) {
this.player.posterImage.hide()
- this.updateVideoFile(undefined, { forcePlay: true, seek: this.startTime })
- } else {
- // Don't try on iOS that does not support MediaSource
- if (this.isIOS()) {
- this.currentVideoFile = this.pickAverageVideoFile()
- return this.fallbackToHttp(undefined, false)
- }
+ return this.updateVideoFile(undefined, { forcePlay: true, seek: this.startTime })
+ }
- // 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
+ // 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 })
- }
+ this.updateVideoFile(undefined, { forcePlay: true, seek: this.startTime })
}
}
}, 1000)
}
+ private runUserWatchVideo (options: UserWatching) {
+ let lastCurrentTime = 0
+
+ this.userWatchingVideoInterval = setInterval(() => {
+ const currentTime = Math.floor(this.player.currentTime())
+
+ if (currentTime - lastCurrentTime >= 1) {
+ lastCurrentTime = currentTime
+
+ this.notifyUserIsWatching(currentTime, options.url, options.authorizationHeader)
+ .catch(err => console.error('Cannot notify user is watching.', err))
+ }
+ }, this.CONSTANTS.USER_WATCHING_VIDEO_INTERVAL)
+ }
+
private clearVideoViewInterval () {
if (this.videoViewInterval !== undefined) {
clearInterval(this.videoViewInterval)
return fetch(this.videoViewUrl, { method: 'POST' })
}
- private fallbackToHttp (done?: Function, play = true) {
+ private notifyUserIsWatching (currentTime: number, url: string, authorizationHeader: string) {
+ const body = new URLSearchParams()
+ body.append('currentTime', currentTime.toString())
+
+ const headers = new Headers({ 'Authorization': authorizationHeader })
+
+ return fetch(url, { method: 'PUT', body, headers })
+ }
+
+ private fallbackToHttp (options: PlayOptions, done?: Function) {
+ const paused = this.player.paused()
+
this.disableAutoResolution(true)
this.flushVideoFile(this.currentVideoFile, true)
const httpUrl = this.currentVideoFile.fileUrl
this.player.src = this.savePlayerSrcFunction
this.player.src(httpUrl)
- if (play) this.tryToPlay()
- if (done) return done()
+ return this.tryToPlay(err => {
+ if (err && done) return done(err)
+
+ if (options.seek) this.seek(options.seek)
+ if (options.forcePlay === false && paused === true) this.player.pause()
+
+ if (done) return done()
+ })
}
private handleError (err: Error | string) {
this.player.options_.inactivityTimeout = saveInactivityTimeout
}
- const settingsDialog = this.player.children_.find(c => c.name_ === 'SettingsDialog')
+ const settingsDialog = this.player.children_.find((c: any) => c.name_ === 'SettingsDialog')
this.player.controlBar.on('mouseenter', () => disableInactivity())
settingsDialog.on('mouseenter', () => disableInactivity())
return this.videoFiles[Math.floor(this.videoFiles.length / 2)]
}
+ private stopTorrent (torrent: WebTorrent.Torrent) {
+ torrent.pause()
+ // Pause does not remove actual peers (in particular the webseed peer)
+ torrent.removePeer(torrent[ 'ws' ])
+ }
+
+ private renderFileInFakeElement (file: WebTorrent.TorrentFile, delay: number) {
+ this.destoyingFakeRenderer = false
+
+ const fakeVideoElem = document.createElement('video')
+ renderVideo(file, fakeVideoElem, { autoplay: false, controls: false }, (err, renderer) => {
+ this.fakeRenderer = renderer
+
+ // The renderer returns an error when we destroy it, so skip them
+ if (this.destoyingFakeRenderer === false && err) {
+ console.error('Cannot render new torrent in fake video element.', err)
+ }
+
+ // Load the future file at the correct time (in delay MS - 2 seconds)
+ fakeVideoElem.currentTime = this.player.currentTime() + (delay - 2000)
+ })
+ }
+
private destroyFakeRenderer () {
if (this.fakeRenderer) {
+ this.destoyingFakeRenderer = true
+
if (this.fakeRenderer.destroy) {
try {
this.fakeRenderer.destroy()
}
}
+ private initCaptions () {
+ for (const caption of this.videoCaptions) {
+ this.player.addRemoteTextTrack({
+ kind: 'captions',
+ label: caption.label,
+ language: caption.language,
+ id: caption.language,
+ src: caption.src
+ }, false)
+ }
+ }
+
// Thanks: https://github.com/videojs/video.js/issues/4460#issuecomment-312861657
private initSmoothProgressBar () {
const SeekBar = videojsUntyped.getComponent('SeekBar')
const percent = time / this.player_.duration()
return percent >= 1 ? 1 : percent
}
- SeekBar.prototype.handleMouseMove = function handleMouseMove (event) {
+ SeekBar.prototype.handleMouseMove = function handleMouseMove (event: any) {
let newTime = this.calculateDistance(event) * this.player_.duration()
if (newTime === this.player_.duration()) {
newTime = newTime - 0.1