]> git.immae.eu Git - github/Chocobozzz/PeerTube.git/blobdiff - client/src/assets/player/webtorrent/webtorrent-plugin.ts
Better display redundancy pies
[github/Chocobozzz/PeerTube.git] / client / src / assets / player / webtorrent / webtorrent-plugin.ts
index c69bf31fa8d5f56b1cf9473cce45d114c11d0f65..4bcb2766a66d673f37e713d6b5836f0ec59004fd 100644 (file)
@@ -1,37 +1,31 @@
-// FIXME: something weird with our path definition in tsconfig and typings
-// @ts-ignore
-import * as videojs from 'video.js'
-
+import videojs from 'video.js'
 import * as WebTorrent from 'webtorrent'
-import { VideoFile } from '../../../../../shared/models/videos/video.model'
-import { renderVideo } from './video-renderer'
-import { LoadedQualityData, PlayerNetworkInfo, VideoJSComponentInterface, WebtorrentPluginOptions } from '../peertube-videojs-typings'
-import { getRtcConfig, videoFileMaxByResolution, videoFileMinByResolution } from '../utils'
+import { timeToInt } from '@shared/core-utils'
+import { VideoFile } from '@shared/models'
+import { getAverageBandwidthInStore, getStoredMute, getStoredVolume, saveAverageBandwidth } from '../peertube-player-local-storage'
+import { PeerTubeResolution, PlayerNetworkInfo, WebtorrentPluginOptions } from '../peertube-videojs-typings'
+import { getRtcConfig, isIOS, videoFileMaxByResolution, videoFileMinByResolution } from '../utils'
 import { PeertubeChunkStore } from './peertube-chunk-store'
-import {
-  getAverageBandwidthInStore,
-  getStoredMute,
-  getStoredVolume,
-  getStoredWebTorrentEnabled,
-  saveAverageBandwidth
-} from '../peertube-player-local-storage'
+import { renderVideo } from './video-renderer'
 
 const CacheChunkStore = require('cache-chunk-store')
 
 type PlayOptions = {
-  forcePlay?: boolean,
-  seek?: number,
+  forcePlay?: boolean
+  seek?: number
   delay?: number
 }
 
-const Plugin: VideoJSComponentInterface = videojs.getPlugin('plugin')
+const Plugin = videojs.getPlugin('plugin')
+
 class WebTorrentPlugin extends Plugin {
+  readonly videoFiles: VideoFile[]
+
   private readonly playerElement: HTMLVideoElement
 
   private readonly autoplay: boolean = false
   private readonly startTime: number = 0
-  private readonly savePlayerSrcFunction: Function
-  private readonly videoFiles: VideoFile[]
+  private readonly savePlayerSrcFunction: videojs.Player['src']
   private readonly videoDuration: number
   private readonly CONSTANTS = {
     INFO_SCHEDULER: 1000, // Don't change this
@@ -49,7 +43,6 @@ class WebTorrentPlugin extends Plugin {
     dht: false
   })
 
-  private player: any
   private currentVideoFile: VideoFile
   private torrent: WebTorrent.Torrent
 
@@ -70,12 +63,15 @@ class WebTorrentPlugin extends Plugin {
 
   private downloadSpeeds: number[] = []
 
-  constructor (player: videojs.Player, options: WebtorrentPluginOptions) {
-    super(player, options)
+  constructor (player: videojs.Player, options?: WebtorrentPluginOptions) {
+    super(player)
+
+    this.startTime = timeToInt(options.startTime)
 
-    // Disable auto play on iOS
-    this.autoplay = options.autoplay && this.isIOS() === false
-    this.playerRefusedP2P = !getStoredWebTorrentEnabled()
+    // Custom autoplay handled by webtorrent because we lazy play the video
+    this.autoplay = options.autoplay
+
+    this.playerRefusedP2P = options.playerRefusedP2P
 
     this.videoFiles = options.videoFiles
     this.videoDuration = options.videoDuration
@@ -125,32 +121,36 @@ class WebTorrentPlugin extends Plugin {
   updateVideoFile (
     videoFile?: VideoFile,
     options: {
-      forcePlay?: boolean,
-      seek?: number,
+      forcePlay?: boolean
+      seek?: number
       delay?: number
     } = {},
     done: () => void = () => { /* empty */ }
   ) {
     // Automatically choose the adapted video file
-    if (videoFile === undefined) {
+    if (!videoFile) {
       const savedAverageBandwidth = getAverageBandwidthInStore()
       videoFile = savedAverageBandwidth
         ? this.getAppropriateFile(savedAverageBandwidth)
         : this.pickAverageVideoFile()
     }
 
+    if (!videoFile) {
+      throw Error(`Can't update video file since videoFile is undefined.`)
+    }
+
     // Don't add the same video file once again
     if (this.currentVideoFile !== undefined && this.currentVideoFile.magnetUri === videoFile.magnetUri) {
       return
     }
 
     // Do not display error to user because we will have multiple fallback
-    this.disableErrorDisplay()
+    this.player.peertube().hideFatalError();
 
     // 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.player as any).src = () => true
     const oldPlaybackRate = this.player.playbackRate()
 
     const previousVideoFile = this.currentVideoFile
@@ -158,7 +158,7 @@ class WebTorrentPlugin extends Plugin {
 
     // Don't try on iOS that does not support MediaSource
     // Or don't use P2P if webtorrent is disabled
-    if (this.isIOS() || this.playerRefusedP2P) {
+    if (isIOS() || this.playerRefusedP2P) {
       return this.fallbackToHttp(options, () => {
         this.player.playbackRate(oldPlaybackRate)
         return done()
@@ -170,29 +170,37 @@ class WebTorrentPlugin extends Plugin {
       return done()
     })
 
-    this.changeQuality()
-    this.trigger('resolutionChange', { auto: this.autoResolution, resolutionId: this.currentVideoFile.resolution.id })
+    this.selectAppropriateResolution(true)
   }
 
-  updateResolution (resolutionId: number, delay = 0) {
+  updateEngineResolution (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()
     }
 
+    // Audio-only (resolutionId === 0) gets special treatment
+    if (resolutionId === 0) {
+      // Audio-only: show poster, do not auto-hide controls
+      this.player.addClass('vjs-playing-audio-only-content')
+      this.player.posterImage.show()
+    } else {
+      // Hide poster to have black background
+      this.player.removeClass('vjs-playing-audio-only-content')
+      this.player.posterImage.hide()
+    }
+
     const newVideoFile = this.videoFiles.find(f => f.resolution.id === resolutionId)
     const options = {
       forcePlay: false,
       delay,
       seek: currentTime + (delay / 1000)
     }
+
     this.updateVideoFile(newVideoFile, options)
   }
 
@@ -205,36 +213,58 @@ class WebTorrentPlugin extends Plugin {
     }
   }
 
-  enableAutoResolution () {
-    this.autoResolution = true
-    this.trigger('resolutionChange', { auto: this.autoResolution, resolutionId: this.getCurrentResolutionId() })
+  disableAutoResolution () {
+    this.autoResolution = false
+    this.autoResolutionPossible = false
+    this.player.peertubeResolutions().disableAutoResolution()
   }
 
-  disableAutoResolution (forbid = false) {
-    if (forbid === true) this.autoResolutionPossible = false
-
-    this.autoResolution = false
-    this.trigger('autoResolutionChange', { possible: this.autoResolutionPossible })
-    this.trigger('resolutionChange', { auto: this.autoResolution, resolutionId: this.getCurrentResolutionId() })
+  isAutoResolutionPossible () {
+    return this.autoResolutionPossible
   }
 
   getTorrent () {
     return this.torrent
   }
 
+  getCurrentVideoFile () {
+    return this.currentVideoFile
+  }
+
+  changeQuality (id: number) {
+    if (id === -1) {
+      if (this.autoResolutionPossible === true) {
+        this.autoResolution = true
+
+        this.selectAppropriateResolution(false)
+      }
+
+      return
+    }
+
+    this.autoResolution = false
+    this.updateEngineResolution(id)
+    this.selectAppropriateResolution(false)
+  }
+
   private addTorrent (
     magnetOrTorrentUrl: string,
     previousVideoFile: VideoFile,
     options: PlayOptions,
-    done: Function
+    done: (err?: Error) => void
   ) {
+    if (!magnetOrTorrentUrl) return this.fallbackToHttp(options, done)
+
     console.log('Adding ' + magnetOrTorrentUrl + '.')
 
     const oldTorrent = this.torrent
     const torrentOptions = {
-      store: (chunkLength: number, storeOpts: any) => new CacheChunkStore(new PeertubeChunkStore(chunkLength, storeOpts), {
-        max: 100
-      })
+      // Don't use arrow function: it breaks webtorrent (that uses `new` keyword)
+      store: function (chunkLength: number, storeOpts: any) {
+        return new CacheChunkStore(new PeertubeChunkStore(chunkLength, storeOpts), {
+          max: 100
+        })
+      }
     }
 
     this.torrent = this.webtorrent.add(magnetOrTorrentUrl, torrentOptions, torrent => {
@@ -245,7 +275,7 @@ class WebTorrentPlugin extends Plugin {
         this.stopTorrent(oldTorrent)
 
         // We use a fake renderer so we download correct pieces of the next file
-        if (options.delay) this.renderFileInFakeElement(torrent.files[ 0 ], options.delay)
+        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)
@@ -261,7 +291,7 @@ class WebTorrentPlugin extends Plugin {
         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(options, done)
@@ -294,7 +324,7 @@ class WebTorrentPlugin extends Plugin {
       if (err.message.indexOf('incorrect info hash') !== -1) {
         console.error('Incorrect info hash detected, falling back to torrent file.')
         const newOptions = { forcePlay: true, seek: options.seek }
-        return this.addTorrent(this.torrent[ 'xs' ], previousVideoFile, newOptions, done)
+        return this.addTorrent(this.torrent['xs'], previousVideoFile, newOptions, done)
       }
 
       // Remote instance is down
@@ -311,9 +341,9 @@ class WebTorrentPlugin extends Plugin {
 
     const playPromise = this.player.play()
     if (playPromise !== undefined) {
-      return playPromise.then(done)
+      return playPromise.then(() => done())
                         .catch((err: Error) => {
-                          if (err.message.indexOf('The play() request was interrupted by a call to pause()') !== -1) {
+                          if (err.message.includes('The play() request was interrupted by a call to pause()')) {
                             return
                           }
 
@@ -322,6 +352,7 @@ class WebTorrentPlugin extends Plugin {
                           this.player.posterImage.show()
                           this.player.removeClass('vjs-has-autoplay')
                           this.player.removeClass('vjs-has-big-play-button-clicked')
+                          this.player.removeClass('vjs-playing-audio-only-content')
 
                           return done()
                         })
@@ -336,45 +367,47 @@ class WebTorrentPlugin extends Plugin {
   }
 
   private getAppropriateFile (averageDownloadSpeed?: number): VideoFile {
-    if (this.videoFiles === undefined || this.videoFiles.length === 0) return undefined
+    if (this.videoFiles === undefined) return undefined
     if (this.videoFiles.length === 1) return this.videoFiles[0]
 
-    // Don't change the torrent is the play was ended
+    const files = this.videoFiles.filter(f => f.resolution.id !== 0)
+    if (files.length === 0) return undefined
+
+    // Don't change the torrent if the player ended
     if (this.torrent && this.torrent.progress === 1 && this.player.ended()) return this.currentVideoFile
 
     if (!averageDownloadSpeed) averageDownloadSpeed = this.getAndSaveActualDownloadSpeed()
 
     // Limit resolution according to player height
-    const playerHeight = this.playerElement.offsetHeight as number
+    const playerHeight = this.playerElement.offsetHeight
 
     // 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) {
+    let maxResolution = files[0].resolution.id
+    for (let i = files.length - 1; i >= 0; i--) {
+      const resolutionId = files[i].resolution.id
+      if (resolutionId !== 0 && resolutionId >= playerHeight) {
         maxResolution = resolutionId
         break
       }
     }
 
     // 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
+    const filteredFiles = files.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)
-                                }
+                                 // 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
-                              })
+                                 return averageDownloadSpeed > threshold
+                               })
 
     // If the download speed is too bad, return the lowest resolution we have
-    if (filteredFiles.length === 0) return videoFileMinByResolution(this.videoFiles)
+    if (filteredFiles.length === 0) return videoFileMinByResolution(files)
 
     return videoFileMaxByResolution(filteredFiles)
   }
@@ -396,15 +429,15 @@ class WebTorrentPlugin extends Plugin {
   private initializePlayer () {
     this.buildQualities()
 
-    if (this.autoplay === true) {
+    if (this.autoplay) {
       this.player.posterImage.hide()
 
       return this.updateVideoFile(undefined, { forcePlay: true, seek: this.startTime })
     }
 
     // Proxy first play
-    const oldPlay = this.player.play.bind(this.player)
-    this.player.play = () => {
+    const oldPlay = this.player.play.bind(this.player);
+    (this.player as any).play = () => {
       this.player.addClass('vjs-has-big-play-button-clicked')
       this.player.play = oldPlay
 
@@ -435,7 +468,7 @@ class WebTorrentPlugin extends Plugin {
       }
 
       if (changeResolution === true) {
-        this.updateResolution(file.resolution.id, changeResolutionDelay)
+        this.updateEngineResolution(file.resolution.id, changeResolutionDelay)
 
         // Wait some seconds in observation of our new resolution
         this.isAutoResolutionObservation = true
@@ -448,7 +481,7 @@ class WebTorrentPlugin extends Plugin {
   }
 
   private isPlayerWaiting () {
-    return this.player && this.player.hasClass('vjs-waiting')
+    return this.player?.hasClass('vjs-waiting')
   }
 
   private runTorrentInfoScheduler () {
@@ -463,6 +496,7 @@ class WebTorrentPlugin extends Plugin {
       if (this.webtorrent.downloadSpeed !== 0) this.downloadSpeeds.push(this.webtorrent.downloadSpeed)
 
       return this.player.trigger('p2pInfo', {
+        source: 'webtorrent',
         http: {
           downloadSpeed: 0,
           uploadSpeed: 0,
@@ -475,27 +509,28 @@ class WebTorrentPlugin extends Plugin {
           uploadSpeed: this.torrent.uploadSpeed,
           downloaded: this.torrent.downloaded,
           uploaded: this.torrent.uploaded
-        }
+        },
+        bandwidthEstimate: this.webtorrent.downloadSpeed
       } as PlayerNetworkInfo)
     }, this.CONSTANTS.INFO_SCHEDULER)
   }
 
-  private fallbackToHttp (options: PlayOptions, done?: Function) {
+  private fallbackToHttp (options: PlayOptions, done?: (err?: Error) => void) {
     const paused = this.player.paused()
 
-    this.disableAutoResolution(true)
+    this.disableAutoResolution()
 
     this.flushVideoFile(this.currentVideoFile, true)
     this.torrent = null
 
     // Enable error display now this is our last fallback
-    this.player.one('error', () => this.enableErrorDisplay())
+    this.player.one('error', () => this.player.peertube().displayFatalError())
 
     const httpUrl = this.currentVideoFile.fileUrl
     this.player.src = this.savePlayerSrcFunction
     this.player.src(httpUrl)
 
-    this.changeQuality()
+    this.selectAppropriateResolution(true)
 
     // We changed the source, so reinit captions
     this.player.trigger('sourcechange')
@@ -514,28 +549,17 @@ class WebTorrentPlugin extends Plugin {
     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 pickAverageVideoFile () {
     if (this.videoFiles.length === 1) return this.videoFiles[0]
 
-    return this.videoFiles[Math.floor(this.videoFiles.length / 2)]
+    const files = this.videoFiles.filter(f => f.resolution.id !== 0)
+    return files[Math.floor(files.length / 2)]
   }
 
   private stopTorrent (torrent: WebTorrent.Torrent) {
     torrent.pause()
     // Pause does not remove actual peers (in particular the webseed peer)
-    torrent.removePeer(torrent[ 'ws' ])
+    torrent.removePeer(torrent['ws'])
   }
 
   private renderFileInFakeElement (file: WebTorrent.TorrentFile, delay: number) {
@@ -571,32 +595,22 @@ class WebTorrentPlugin extends Plugin {
   }
 
   private buildQualities () {
-    const qualityLevelsPayload = []
-
-    for (const file of this.videoFiles) {
-      const representation = {
-        id: file.resolution.id,
-        label: this.buildQualityLabel(file),
-        height: file.resolution.id,
-        _enabled: true
-      }
-
-      this.player.qualityLevels().addQualityLevel(representation)
-
-      qualityLevelsPayload.push({
-        id: representation.id,
-        label: representation.label,
-        selected: false
-      })
-    }
+    const resolutions: PeerTubeResolution[] = this.videoFiles.map(file => ({
+      id: file.resolution.id,
+      label: this.buildQualityLabel(file),
+      height: file.resolution.id,
+      selected: false,
+      selectCallback: () => this.changeQuality(file.resolution.id)
+    }))
+
+    resolutions.push({
+      id: -1,
+      label: this.player.localize('Auto'),
+      selected: true,
+      selectCallback: () => this.changeQuality(-1)
+    })
 
-    const payload: LoadedQualityData = {
-      qualitySwitchCallback: (d: any) => this.qualitySwitchCallback(d),
-      qualityData: {
-        video: qualityLevelsPayload
-      }
-    }
-    this.player.tech_.trigger('loadedqualitydata', payload)
+    this.player.peertubeResolutions().add(resolutions)
   }
 
   private buildQualityLabel (file: VideoFile) {
@@ -609,29 +623,16 @@ class WebTorrentPlugin extends Plugin {
     return label
   }
 
-  private qualitySwitchCallback (id: number) {
-    if (id === -1) {
-      if (this.autoResolutionPossible === true) this.enableAutoResolution()
-      return
-    }
+  private selectAppropriateResolution (byEngine: boolean) {
+    const resolution = this.autoResolution
+      ? -1
+      : this.getCurrentResolutionId()
 
-    this.disableAutoResolution()
-    this.updateResolution(id)
-  }
+    const autoResolutionChosen = this.autoResolution
+      ? this.getCurrentResolutionId()
+      : undefined
 
-  private changeQuality () {
-    const resolutionId = this.currentVideoFile.resolution.id
-    const qualityLevels = this.player.qualityLevels()
-
-    if (resolutionId === -1) {
-      qualityLevels.selectedIndex = -1
-      return
-    }
-
-    for (let i = 0; i < qualityLevels; i++) {
-      const q = this.player.qualityLevels[i]
-      if (q.height === resolutionId) qualityLevels.selectedIndex = i
-    }
+    this.player.peertubeResolutions().select({ id: resolution, autoResolutionChosenId: autoResolutionChosen, byEngine })
   }
 }