1 // Big thanks to: https://github.com/kmoskwiak/videojs-resolution-switcher
3 import * as videojs from 'video.js'
4 import * as WebTorrent from 'webtorrent'
5 import { VideoConstant, VideoResolution } from '../../../../shared/models/videos'
6 import { VideoFile } from '../../../../shared/models/videos/video.model'
7 import { renderVideo } from './video-renderer'
9 declare module 'video.js' {
11 peertube (): PeerTubePlugin
15 interface VideoJSComponentInterface {
16 _player: videojs.Player
18 new (player: videojs.Player, options?: any)
20 registerComponent (name: string, obj: any)
23 type PeertubePluginOptions = {
24 videoFiles: VideoFile[]
25 playerElement: HTMLVideoElement
30 // https://github.com/danrevah/ngx-pipes/blob/master/src/pipes/math/bytes.ts
31 // Don't import all Angular stuff, just copy the code with shame
32 const dictionaryBytes: Array<{max: number, type: string}> = [
33 { max: 1024, type: 'B' },
34 { max: 1048576, type: 'KB' },
35 { max: 1073741824, type: 'MB' },
36 { max: 1.0995116e12, type: 'GB' }
38 function bytes (value) {
39 const format = dictionaryBytes.find(d => value < d.max) || dictionaryBytes[dictionaryBytes.length - 1]
40 const calc = Math.floor(value / (format.max / 1024)).toString()
42 return [ calc, format.type ]
45 // videojs typings don't have some method we need
46 const videojsUntyped = videojs as any
47 const webtorrent = new WebTorrent({
52 urls: 'stun:stun.stunprotocol.org'
55 urls: 'stun:stun.framasoft.org'
58 urls: 'stun:stun.l.google.com:19302'
66 const MenuItem: VideoJSComponentInterface = videojsUntyped.getComponent('MenuItem')
67 class ResolutionMenuItem extends MenuItem {
69 constructor (player: videojs.Player, options) {
70 options.selectable = true
71 super(player, options)
73 const currentResolutionId = this.player_.peertube().getCurrentResolutionId()
74 this.selected(this.options_.id === currentResolutionId)
78 super.handleClick(event)
80 this.player_.peertube().updateResolution(this.options_.id)
83 MenuItem.registerComponent('ResolutionMenuItem', ResolutionMenuItem)
85 const MenuButton: VideoJSComponentInterface = videojsUntyped.getComponent('MenuButton')
86 class ResolutionMenuButton extends MenuButton {
89 constructor (player: videojs.Player, options) {
90 options.label = 'Quality'
91 super(player, options)
93 this.label = document.createElement('span')
95 this.el().setAttribute('aria-label', 'Quality')
96 this.controlText('Quality')
98 videojsUntyped.dom.addClass(this.label, 'vjs-resolution-button-label')
99 this.el().appendChild(this.label)
101 player.peertube().on('videoFileUpdate', () => this.update())
106 for (const videoFile of this.player_.peertube().videoFiles) {
107 menuItems.push(new ResolutionMenuItem(
110 id: videoFile.resolution.id,
111 label: videoFile.resolution.label,
112 src: videoFile.magnetUri,
113 selected: videoFile.resolution.id === this.currentSelectionId
122 if (!this.label) return
124 this.label.innerHTML = this.player_.peertube().getCurrentResolutionLabel()
126 return super.update()
130 return super.buildCSSClass() + ' vjs-resolution-button'
133 MenuButton.registerComponent('ResolutionMenuButton', ResolutionMenuButton)
135 const Button: VideoJSComponentInterface = videojsUntyped.getComponent('Button')
136 class PeerTubeLinkButton extends Button {
139 const link = document.createElement('a')
140 link.href = window.location.href.replace('embed', 'watch')
141 link.innerHTML = 'PeerTube'
142 link.title = 'Go to the video page'
143 link.className = 'vjs-peertube-link'
144 link.target = '_blank'
153 Button.registerComponent('PeerTubeLinkButton', PeerTubeLinkButton)
155 class WebTorrentButton extends Button {
157 const div = document.createElement('div')
158 const subDivWebtorrent = document.createElement('div')
159 div.appendChild(subDivWebtorrent)
161 const downloadIcon = document.createElement('span')
162 downloadIcon.classList.add('icon', 'icon-download')
163 subDivWebtorrent.appendChild(downloadIcon)
165 const downloadSpeedText = document.createElement('span')
166 downloadSpeedText.classList.add('download-speed-text')
167 const downloadSpeedNumber = document.createElement('span')
168 downloadSpeedNumber.classList.add('download-speed-number')
169 const downloadSpeedUnit = document.createElement('span')
170 downloadSpeedText.appendChild(downloadSpeedNumber)
171 downloadSpeedText.appendChild(downloadSpeedUnit)
172 subDivWebtorrent.appendChild(downloadSpeedText)
174 const uploadIcon = document.createElement('span')
175 uploadIcon.classList.add('icon', 'icon-upload')
176 subDivWebtorrent.appendChild(uploadIcon)
178 const uploadSpeedText = document.createElement('span')
179 uploadSpeedText.classList.add('upload-speed-text')
180 const uploadSpeedNumber = document.createElement('span')
181 uploadSpeedNumber.classList.add('upload-speed-number')
182 const uploadSpeedUnit = document.createElement('span')
183 uploadSpeedText.appendChild(uploadSpeedNumber)
184 uploadSpeedText.appendChild(uploadSpeedUnit)
185 subDivWebtorrent.appendChild(uploadSpeedText)
187 const peersText = document.createElement('span')
188 peersText.classList.add('peers-text')
189 const peersNumber = document.createElement('span')
190 peersNumber.classList.add('peers-number')
191 subDivWebtorrent.appendChild(peersNumber)
192 subDivWebtorrent.appendChild(peersText)
194 div.className = 'vjs-peertube'
195 // Hide the stats before we get the info
196 subDivWebtorrent.className = 'vjs-peertube-hidden'
198 const subDivHttp = document.createElement('div')
199 subDivHttp.className = 'vjs-peertube-hidden'
200 const subDivHttpText = document.createElement('span')
201 subDivHttpText.classList.add('peers-number')
202 subDivHttpText.textContent = 'HTTP'
203 const subDivFallbackText = document.createElement('span')
204 subDivFallbackText.classList.add('peers-text')
205 subDivFallbackText.textContent = ' fallback'
207 subDivHttp.appendChild(subDivHttpText)
208 subDivHttp.appendChild(subDivFallbackText)
209 div.appendChild(subDivHttp)
211 this.player_.peertube().on('torrentInfo', (event, data) => {
212 // We are in HTTP fallback
214 subDivHttp.className = 'vjs-peertube-displayed'
215 subDivWebtorrent.className = 'vjs-peertube-hidden'
220 const downloadSpeed = bytes(data.downloadSpeed)
221 const uploadSpeed = bytes(data.uploadSpeed)
222 const numPeers = data.numPeers
224 downloadSpeedNumber.textContent = downloadSpeed[ 0 ]
225 downloadSpeedUnit.textContent = ' ' + downloadSpeed[ 1 ]
227 uploadSpeedNumber.textContent = uploadSpeed[ 0 ]
228 uploadSpeedUnit.textContent = ' ' + uploadSpeed[ 1 ]
230 peersNumber.textContent = numPeers
231 peersText.textContent = ' peers'
233 subDivHttp.className = 'vjs-peertube-hidden'
234 subDivWebtorrent.className = 'vjs-peertube-displayed'
240 Button.registerComponent('WebTorrentButton', WebTorrentButton)
242 const Plugin: VideoJSComponentInterface = videojsUntyped.getPlugin('plugin')
243 class PeerTubePlugin extends Plugin {
245 private currentVideoFile: VideoFile
246 private playerElement: HTMLVideoElement
247 private videoFiles: VideoFile[]
248 private torrent: WebTorrent.Torrent
249 private autoplay = false
250 private videoViewUrl: string
251 private videoDuration: number
252 private videoViewInterval
253 private torrentInfoInterval
254 private savePlayerSrcFunction: Function
256 constructor (player: videojs.Player, options: PeertubePluginOptions) {
257 super(player, options)
259 // Fix canplay event on google chrome by disabling default videojs autoplay
260 this.autoplay = this.player.options_.autoplay
261 this.player.options_.autoplay = false
263 this.videoFiles = options.videoFiles
264 this.videoViewUrl = options.videoViewUrl
265 this.videoDuration = options.videoDuration
267 this.savePlayerSrcFunction = this.player.src
268 // Hack to "simulate" src link in video.js >= 6
269 // Without this, we can't play the video after pausing it
270 // https://github.com/videojs/video.js/blob/master/src/js/player.js#L1633
271 this.player.src = () => true
273 this.playerElement = options.playerElement
275 this.player.ready(() => {
276 this.initializePlayer(options)
277 this.runTorrentInfoScheduler()
283 clearInterval(this.videoViewInterval)
284 clearInterval(this.torrentInfoInterval)
286 // Don't need to destroy renderer, video player will be destroyed
287 this.flushVideoFile(this.currentVideoFile, false)
290 getCurrentResolutionId () {
291 return this.currentVideoFile ? this.currentVideoFile.resolution.id : -1
294 getCurrentResolutionLabel () {
295 return this.currentVideoFile ? this.currentVideoFile.resolution.label : ''
298 updateVideoFile (videoFile?: VideoFile, done?: () => void) {
299 if (done === undefined) {
300 done = () => { /* empty */ }
303 // Pick the first one
304 if (videoFile === undefined) {
305 videoFile = this.videoFiles[0]
308 // Don't add the same video file once again
309 if (this.currentVideoFile !== undefined && this.currentVideoFile.magnetUri === videoFile.magnetUri) {
313 // Do not display error to user because we will have multiple fallbacks
314 this.disableErrorDisplay()
316 this.player.src = () => true
317 this.player.playbackRate(1)
319 const previousVideoFile = this.currentVideoFile
320 this.currentVideoFile = videoFile
322 this.addTorrent(this.currentVideoFile.magnetUri, previousVideoFile, done)
324 this.trigger('videoFileUpdate')
327 addTorrent (magnetOrTorrentUrl: string, previousVideoFile: VideoFile, done: Function) {
328 console.log('Adding ' + magnetOrTorrentUrl + '.')
330 this.torrent = webtorrent.add(magnetOrTorrentUrl, torrent => {
331 console.log('Added ' + magnetOrTorrentUrl + '.')
333 this.flushVideoFile(previousVideoFile)
335 const options = { autoplay: true, controls: true }
336 renderVideo(torrent.files[0], this.playerElement, options,(err, renderer) => {
337 if (err) return this.fallbackToHttp()
339 this.renderer = renderer
340 if (!this.player.paused()) {
341 const playPromise = this.player.play()
342 if (playPromise !== undefined) return playPromise.then(done)
351 this.torrent.on('error', err => this.handleError(err))
353 this.torrent.on('warning', (err: any) => {
354 // We don't support HTTP tracker but we don't care -> we use the web socket tracker
355 if (err.message.indexOf('Unsupported tracker protocol') !== -1) return
357 // Users don't care about issues with WebRTC, but developers do so log it in the console
358 if (err.message.indexOf('Ice connection failed') !== -1) {
363 // Magnet hash is not up to date with the torrent file, add directly the torrent file
364 if (err.message.indexOf('incorrect info hash') !== -1) {
365 console.error('Incorrect info hash detected, falling back to torrent file.')
366 return this.addTorrent(this.torrent['xs'], previousVideoFile, done)
369 return this.handleError(err)
373 updateResolution (resolutionId: number) {
374 // Remember player state
375 const currentTime = this.player.currentTime()
376 const isPaused = this.player.paused()
378 // Remove poster to have black background
379 this.playerElement.poster = ''
381 // Hide bigPlayButton
383 this.player.bigPlayButton.hide()
386 const newVideoFile = this.videoFiles.find(f => f.resolution.id === resolutionId)
387 this.updateVideoFile(newVideoFile, () => {
388 this.player.currentTime(currentTime)
389 this.player.handleTechSeeked_()
393 flushVideoFile (videoFile: VideoFile, destroyRenderer = true) {
394 if (videoFile !== undefined && webtorrent.get(videoFile.magnetUri)) {
395 if (destroyRenderer === true && this.renderer && this.renderer.destroy) this.renderer.destroy()
397 webtorrent.remove(videoFile.magnetUri)
398 console.log('Removed ' + videoFile.magnetUri)
402 setVideoFiles (files: VideoFile[], videoViewUrl: string, videoDuration: number) {
403 this.videoViewUrl = videoViewUrl
404 this.videoDuration = videoDuration
405 this.videoFiles = files
407 // Re run view add for the new video
409 this.updateVideoFile(undefined, () => this.player.play())
412 private initializePlayer (options: PeertubePluginOptions) {
413 if (this.autoplay === true) {
414 this.updateVideoFile(undefined, () => this.player.play())
416 this.player.one('play', () => {
418 this.updateVideoFile(undefined, () => this.player.play())
423 private runTorrentInfoScheduler () {
424 this.torrentInfoInterval = setInterval(() => {
425 // Not initialized yet
426 if (this.torrent === undefined) return
429 if (this.torrent === null) return this.trigger('torrentInfo', false)
431 return this.trigger('torrentInfo', {
432 downloadSpeed: this.torrent.downloadSpeed,
433 numPeers: this.torrent.numPeers,
434 uploadSpeed: this.torrent.uploadSpeed
439 private runViewAdd () {
440 this.clearVideoViewInterval()
442 // After 30 seconds (or 3/4 of the video), add a view to the video
443 let minSecondsToView = 30
445 if (this.videoDuration < minSecondsToView) minSecondsToView = (this.videoDuration * 3) / 4
447 let secondsViewed = 0
448 this.videoViewInterval = setInterval(() => {
449 if (this.player && !this.player.paused()) {
452 if (secondsViewed > minSecondsToView) {
453 this.clearVideoViewInterval()
455 this.addViewToVideo().catch(err => console.error(err))
461 private clearVideoViewInterval () {
462 if (this.videoViewInterval !== undefined) {
463 clearInterval(this.videoViewInterval)
464 this.videoViewInterval = undefined
468 private addViewToVideo () {
469 return fetch(this.videoViewUrl, { method: 'POST' })
472 private fallbackToHttp () {
473 this.flushVideoFile(this.currentVideoFile, true)
476 // Enable error display now this is our last fallback
477 this.player.one('error', () => this.enableErrorDisplay())
479 const httpUrl = this.currentVideoFile.fileUrl
480 this.player.src = this.savePlayerSrcFunction
481 this.player.src(httpUrl)
485 private handleError (err: Error | string) {
486 return this.player.trigger('customError', { err })
489 private enableErrorDisplay () {
490 this.player.addClass('vjs-error-display-enabled')
493 private disableErrorDisplay () {
494 this.player.removeClass('vjs-error-display-enabled')
497 videojsUntyped.registerPlugin('peertube', PeerTubePlugin)