From a8462c8e3a61f4f7314fe18c0c10cc2946c254d1 Mon Sep 17 00:00:00 2001 From: Chocobozzz Date: Thu, 5 Apr 2018 16:15:51 +0200 Subject: Automatic resolution according to user bandwidth V1 --- .../src/assets/player/peertube-videojs-plugin.ts | 192 +++++++++++++++++---- client/src/assets/player/resolution-menu-button.ts | 17 +- client/src/assets/player/resolution-menu-item.ts | 21 +++ client/src/assets/player/settings-menu-item.ts | 19 +- client/src/assets/player/utils.ts | 18 ++ 5 files changed, 218 insertions(+), 49 deletions(-) (limited to 'client/src/assets/player') diff --git a/client/src/assets/player/peertube-videojs-plugin.ts b/client/src/assets/player/peertube-videojs-plugin.ts index 10c31cc0f..91a3993a3 100644 --- a/client/src/assets/player/peertube-videojs-plugin.ts +++ b/client/src/assets/player/peertube-videojs-plugin.ts @@ -4,7 +4,16 @@ 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 { 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: { @@ -25,16 +34,31 @@ const webtorrent = new WebTorrent({ const Plugin: VideoJSComponentInterface = videojsUntyped.getPlugin('plugin') class PeerTubePlugin extends Plugin { private readonly playerElement: HTMLVideoElement + private readonly autoplay: boolean = false 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 before potentially changing the definition + AUTO_QUALITY_UPPER_RESOLUTION_DELAY: 5000, // Buffer upper 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 videoViewInterval private torrentInfoInterval + private autoQualityInterval + private autoResolution = true + private isAutoResolutionObservation = false + + private downloadSpeeds: number[] = [] constructor (player: videojs.Player, options: PeertubePluginOptions) { super(player, options) @@ -64,6 +88,11 @@ class PeerTubePlugin extends Plugin { this.initializePlayer() this.runTorrentInfoScheduler() this.runViewAdd() + + this.player.one('play', () => { + // Don't run immediately scheduler, wait some seconds the TCP connections are maid + setTimeout(() => this.runAutoQualityScheduler(), this.CONSTANTS.AUTO_QUALITY_SCHEDULER) + }) }) this.player.on('volumechange', () => { @@ -75,6 +104,7 @@ class PeerTubePlugin extends Plugin { dispose () { 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) @@ -88,14 +118,17 @@ class PeerTubePlugin extends Plugin { 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 @@ -112,7 +145,7 @@ class PeerTubePlugin extends Plugin { 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() }) @@ -120,29 +153,39 @@ class PeerTubePlugin extends Plugin { 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 + 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()) { + const playPromise = this.player.play() + if (playPromise !== undefined) return playPromise.then(done) - return done() - }) + return done() + } + + return done() + }) + }, delay) }) this.torrent.on('error', err => this.handleError(err)) @@ -160,14 +203,14 @@ class PeerTubePlugin extends Plugin { // 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() @@ -181,7 +224,7 @@ class PeerTubePlugin extends Plugin { } const newVideoFile = this.videoFiles.find(f => f.resolution.id === resolutionId) - this.updateVideoFile(newVideoFile, () => { + this.updateVideoFile(newVideoFile, delay, () => { this.player.currentTime(currentTime) this.player.handleTechSeeked_() }) @@ -196,14 +239,58 @@ class PeerTubePlugin extends Plugin { } } - setVideoFiles (files: VideoFile[], videoViewUrl: string, videoDuration: number) { - this.videoViewUrl = videoViewUrl - this.videoDuration = videoDuration - this.videoFiles = files + isAutoResolutionOn () { + return this.autoResolution + } - // Re run view add for the new video - this.runViewAdd() - this.updateVideoFile(undefined, () => this.player.play()) + enableAutoResolution () { + this.autoResolution = true + this.trigger('autoResolutionUpdate') + } + + disableAutoResolution () { + this.autoResolution = false + this.trigger('autoResolutionUpdate') + } + + 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 upper 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) + + return averageBandwidth } private initializePlayer () { @@ -213,17 +300,51 @@ class PeerTubePlugin extends Plugin { if (this.autoplay === true) { this.player.posterImage.hide() - this.updateVideoFile(undefined, () => this.player.play()) + this.updateVideoFile(undefined, 0, () => this.player.play()) } else { // Proxy first play const oldPlay = this.player.play.bind(this.player) this.player.play = () => { - this.updateVideoFile(undefined, () => oldPlay) + this.updateVideoFile(undefined, 0, () => oldPlay) this.player.play = oldPlay } } } + private runAutoQualityScheduler () { + this.autoQualityInterval = setInterval(() => { + if (this.torrent === undefined) 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) { // Greater resolution + console.log('Upgrading automatically the resolution to: %s', file.resolution.label) + changeResolution = true + changeResolutionDelay = this.CONSTANTS.AUTO_QUALITY_UPPER_RESOLUTION_DELAY + } + + if (changeResolution === true) { + this.updateResolution(file.resolution.id, changeResolutionDelay) + + // Wait some seconds in observation of our new resolution + this.isAutoResolutionObservation = true + setTimeout(() => this.isAutoResolutionObservation = false, this.CONSTANTS.AUTO_QUALITY_OBSERVATION_TIME) + } + }, this.CONSTANTS.AUTO_QUALITY_SCHEDULER) + } + + private isPlayerWaiting () { + return this.player.hasClass('vjs-waiting') + } + private runTorrentInfoScheduler () { this.torrentInfoInterval = setInterval(() => { // Not initialized yet @@ -232,12 +353,15 @@ class PeerTubePlugin extends Plugin { // 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 () { diff --git a/client/src/assets/player/resolution-menu-button.ts b/client/src/assets/player/resolution-menu-button.ts index 712e71192..2efc8de69 100644 --- a/client/src/assets/player/resolution-menu-button.ts +++ b/client/src/assets/player/resolution-menu-button.ts @@ -22,7 +22,7 @@ class ResolutionMenuButton extends MenuButton { this.labelEl_ = videojsUntyped.dom.createEl('div', { className: 'vjs-resolution-value', - innerHTML: this.player_.peertube().getCurrentResolutionLabel() + innerHTML: this.buildLabelHTML() }) el.appendChild(this.labelEl_) @@ -47,13 +47,22 @@ class ResolutionMenuButton extends MenuButton { ) } + menu.addChild(new ResolutionMenuItem( + this.player_, + { + id: -1, + label: 'Auto', + src: null + } + )) + return menu } updateLabel () { if (!this.labelEl_) return - this.labelEl_.innerHTML = this.player_.peertube().getCurrentResolutionLabel() + this.labelEl_.innerHTML = this.buildLabelHTML() } buildCSSClass () { @@ -63,5 +72,9 @@ class ResolutionMenuButton extends MenuButton { buildWrapperCSSClass () { return 'vjs-resolution-control ' + super.buildWrapperCSSClass() } + + private buildLabelHTML () { + return this.player_.peertube().getCurrentResolutionLabel() + } } MenuButton.registerComponent('ResolutionMenuButton', ResolutionMenuButton) diff --git a/client/src/assets/player/resolution-menu-item.ts b/client/src/assets/player/resolution-menu-item.ts index 8ad834c59..4b1ed0642 100644 --- a/client/src/assets/player/resolution-menu-item.ts +++ b/client/src/assets/player/resolution-menu-item.ts @@ -14,17 +14,38 @@ class ResolutionMenuItem extends MenuItem { this.id = options.id player.peertube().on('videoFileUpdate', () => this.updateSelection()) + player.peertube().on('autoResolutionUpdate', () => this.updateSelection()) } handleClick (event) { super.handleClick(event) + // Auto resolution + if (this.id === -1) { + this.player_.peertube().enableAutoResolution() + return + } + + this.player_.peertube().disableAutoResolution() this.player_.peertube().updateResolution(this.id) } updateSelection () { + if (this.player_.peertube().isAutoResolutionOn()) { + this.selected(this.id === -1) + return + } + this.selected(this.player_.peertube().getCurrentResolutionId() === this.id) } + + getLabel () { + if (this.id === -1) { + return this.label + ' ' + this.player_.peertube().getCurrentResolutionLabel() + '' + } + + return this.label + } } MenuItem.registerComponent('ResolutionMenuItem', ResolutionMenuItem) diff --git a/client/src/assets/player/settings-menu-item.ts b/client/src/assets/player/settings-menu-item.ts index e979ae088..048c88533 100644 --- a/client/src/assets/player/settings-menu-item.ts +++ b/client/src/assets/player/settings-menu-item.ts @@ -241,21 +241,14 @@ class SettingsMenuItem extends MenuItem { continue } - switch (subMenu) { - case 'SubtitlesButton': - case 'CaptionsButton': - // subtitlesButton entering default check twice and overwriting - // selected label in main manu - if (subMenuItem.hasClass('vjs-selected')) { - this.settingsSubMenuValueEl_.innerHTML = subMenuItem.options_.label - } + if (subMenuItem.hasClass('vjs-selected')) { + // Prefer to use the function + if (typeof subMenuItem.getLabel === 'function') { + this.settingsSubMenuValueEl_.innerHTML = subMenuItem.getLabel() break + } - default: - // Set submenu value based on what item is selected - if (subMenuItem.options_.selected || subMenuItem.hasClass('vjs-selected')) { - this.settingsSubMenuValueEl_.innerHTML = subMenuItem.options_.label - } + this.settingsSubMenuValueEl_.innerHTML = subMenuItem.options_.label } } } diff --git a/client/src/assets/player/utils.ts b/client/src/assets/player/utils.ts index 7a99dba1a..f5407ef60 100644 --- a/client/src/assets/player/utils.ts +++ b/client/src/assets/player/utils.ts @@ -36,6 +36,18 @@ function getStoredMute () { return undefined } +function getAverageBandwidth () { + const value = getLocalStorage('average-bandwidth') + if (value !== null && value !== undefined) { + const valueNumber = parseInt(value, 10) + if (isNaN(valueNumber)) return undefined + + return valueNumber + } + + return undefined +} + function saveVolumeInStore (value: number) { return setLocalStorage('volume', value.toString()) } @@ -44,10 +56,16 @@ function saveMuteInStore (value: boolean) { return setLocalStorage('mute', value.toString()) } +function saveAverageBandwidth (value: number) { + return setLocalStorage('average-bandwidth', value.toString()) +} + export { toTitleCase, getStoredVolume, saveVolumeInStore, + saveAverageBandwidth, + getAverageBandwidth, saveMuteInStore, getStoredMute, bytes -- cgit v1.2.3