X-Git-Url: https://git.immae.eu/?a=blobdiff_plain;f=client%2Fsrc%2Fassets%2Fplayer%2Fpeertube-videojs-plugin.ts;h=4b0677faba6dc43f9a85e8e22277371bf919c7a5;hb=ad77475251c3516dd5851a08655be79d7bf76245;hp=25e65abd882ef3f9f506be9c444fb47edd07bdbf;hpb=a22bfc3ebc9f80088035774c6cfca4bd5707acd3;p=github%2FChocobozzz%2FPeerTube.git diff --git a/client/src/assets/player/peertube-videojs-plugin.ts b/client/src/assets/player/peertube-videojs-plugin.ts index 25e65abd8..4b0677fab 100644 --- a/client/src/assets/player/peertube-videojs-plugin.ts +++ b/client/src/assets/player/peertube-videojs-plugin.ts @@ -1,379 +1,659 @@ -// Big thanks to: https://github.com/kmoskwiak/videojs-resolution-switcher - 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, VideoJSCaption, VideoJSComponentInterface, videojsUntyped } from './peertube-videojs-typings' +import { isMobile, videoFileMaxByResolution, videoFileMinByResolution, timeToInt } from './utils' +import * as CacheChunkStore from 'cache-chunk-store' +import { PeertubeChunkStore } from './peertube-chunk-store' +import { + getAverageBandwidthInStore, + getStoredMute, + getStoredVolume, + saveAverageBandwidth, + saveMuteInStore, + saveVolumeInStore +} from './peertube-player-local-storage' + +const Plugin: VideoJSComponentInterface = videojs.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 + } -interface VideoJSComponentInterface { - _player: VideoJSPlayer + private readonly webtorrent = new WebTorrent({ + tracker: { + rtcConfig: { + iceServers: [ + { + urls: 'stun:stun.stunprotocol.org' + }, + { + urls: 'stun:stun.framasoft.org' + } + ] + } + }, + dht: false + }) - new (player: VideoJSPlayer, options?: any) + private player: any + private currentVideoFile: VideoFile + private torrent: WebTorrent.Torrent + private videoCaptions: VideoJSCaption[] + private renderer + private fakeRenderer + private autoResolution = true + private forbidAutoResolution = false + 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) - registerComponent (name: string, obj: any) -} + // Disable auto play on iOS + this.autoplay = options.autoplay && this.isIOS() === false -interface VideoJSPlayer extends videojs.Player { - peertube (): PeerTubePlugin -} + this.startTime = timeToInt(options.startTime) + this.videoFiles = options.videoFiles + this.videoViewUrl = options.videoViewUrl + this.videoDuration = options.videoDuration + this.videoCaptions = options.videoCaptions -type PeertubePluginOptions = { - videoFiles: VideoFile[] - playerElement: HTMLVideoElement - peerTubeLink: boolean -} + 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 -// https://github.com/danrevah/ngx-pipes/blob/master/src/pipes/math/bytes.ts -// Don't import all Angular stuff, just copy the code with shame -const dictionaryBytes: Array<{max: number, type: string}> = [ - { max: 1024, type: 'B' }, - { max: 1048576, type: 'KB' }, - { max: 1073741824, type: 'MB' }, - { max: 1.0995116e12, type: 'GB' } -] -function bytes (value) { - const format = dictionaryBytes.find(d => value < d.max) || dictionaryBytes[dictionaryBytes.length - 1] - const calc = Math.floor(value / (format.max / 1024)).toString() - - return [ calc, format.type ] -} + this.playerElement = options.playerElement -// videojs typings don't have some method we need -const videojsUntyped = videojs as any -const webtorrent = new WebTorrent({ dht: false }) + if (this.autoplay === true) this.player.addClass('vjs-has-autoplay') -const MenuItem: VideoJSComponentInterface = videojsUntyped.getComponent('MenuItem') -class ResolutionMenuItem extends MenuItem { + this.player.ready(() => { + const volume = getStoredVolume() + if (volume !== undefined) this.player.volume(volume) + const muted = getStoredMute() + if (muted !== undefined) this.player.muted(muted) - constructor (player: VideoJSPlayer, options) { - options.selectable = true - super(player, options) + this.initializePlayer() + this.runTorrentInfoScheduler() + this.runViewAdd() - const currentResolution = this.player_.peertube().getCurrentResolution() - this.selected(this.options_.id === currentResolution) - } + 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) + }) + }) - handleClick (event) { - MenuItem.prototype.handleClick.call(this, event) - this.player_.peertube().updateResolution(this.options_.id) + this.player.on('volumechange', () => { + saveVolumeInStore(this.player.volume()) + saveMuteInStore(this.player.muted()) + }) } -} -MenuItem.registerComponent('ResolutionMenuItem', ResolutionMenuItem) -const MenuButton: VideoJSComponentInterface = videojsUntyped.getComponent('MenuButton') -class ResolutionMenuButton extends MenuButton { - label: HTMLElement - - constructor (player: VideoJSPlayer, options) { - options.label = 'Quality' - super(player, options) - - this.label = document.createElement('span') + dispose () { + clearTimeout(this.addTorrentDelay) + clearTimeout(this.qualityObservationTimer) + clearTimeout(this.runAutoQualitySchedulerTimer) - this.el().setAttribute('aria-label', 'Quality') - this.controlText('Quality') + clearInterval(this.videoViewInterval) + clearInterval(this.torrentInfoInterval) + clearInterval(this.autoQualityInterval) - videojsUntyped.dom.addClass(this.label, 'vjs-resolution-button-label') - this.el().appendChild(this.label) + // Don't need to destroy renderer, video player will be destroyed + this.flushVideoFile(this.currentVideoFile, false) - player.peertube().on('videoFileUpdate', () => this.update()) + this.destroyFakeRenderer() } - createItems () { - const menuItems = [] - for (const videoFile of this.player_.peertube().videoFiles) { - menuItems.push(new ResolutionMenuItem( - this.player_, - { - id: videoFile.resolution, - label: videoFile.resolutionLabel, - src: videoFile.magnetUri, - selected: videoFile.resolution === this.currentSelection - }) - ) - } - - return menuItems + getCurrentResolutionId () { + return this.currentVideoFile ? this.currentVideoFile.resolution.id : -1 } - update () { - if (!this.label) return - - this.label.innerHTML = this.player_.peertube().getCurrentResolutionLabel() - this.hide() - return super.update() - } + getCurrentResolutionLabel () { + if (!this.currentVideoFile) return '' - buildCSSClass () { - return super.buildCSSClass() + ' vjs-resolution-button' + const fps = this.currentVideoFile.fps >= 50 ? this.currentVideoFile.fps : '' + return this.currentVideoFile.resolution.label + fps } - dispose () { - this.parentNode.removeChild(this) - } -} -MenuButton.registerComponent('ResolutionMenuButton', ResolutionMenuButton) + updateVideoFile ( + videoFile?: VideoFile, + options: { + forcePlay?: boolean, + seek?: number, + delay?: number + } = {}, + done: () => void = () => { /* empty */ } + ) { + // Automatically choose the adapted video file + if (videoFile === undefined) { + const savedAverageBandwidth = getAverageBandwidthInStore() + videoFile = savedAverageBandwidth + ? this.getAppropriateFile(savedAverageBandwidth) + : this.pickAverageVideoFile() + } -const Button: VideoJSComponentInterface = videojsUntyped.getComponent('Button') -class PeertubeLinkButton extends Button { + // Don't add the same video file once again + if (this.currentVideoFile !== undefined && this.currentVideoFile.magnetUri === videoFile.magnetUri) { + return + } - createEl () { - const link = document.createElement('a') - link.href = window.location.href.replace('embed', 'watch') - link.innerHTML = 'PeerTube' - link.title = 'Go to the video page' - link.className = 'vjs-peertube-link' - link.target = '_blank' + // Do not display error to user because we will have multiple fallback + this.disableErrorDisplay() - return link - } + this.player.src = () => true + const oldPlaybackRate = this.player.playbackRate() - handleClick () { - this.player_.pause() - } + const previousVideoFile = this.currentVideoFile + this.currentVideoFile = videoFile - dispose () { - this.parentNode.removeChild(this) - } -} -Button.registerComponent('PeerTubeLinkButton', PeertubeLinkButton) - -class WebTorrentButton extends Button { - createEl () { - const div = document.createElement('div') - const subDiv = document.createElement('div') - div.appendChild(subDiv) - - const downloadIcon = document.createElement('span') - downloadIcon.classList.add('icon', 'icon-download') - subDiv.appendChild(downloadIcon) - - const downloadSpeedText = document.createElement('span') - downloadSpeedText.classList.add('download-speed-text') - const downloadSpeedNumber = document.createElement('span') - downloadSpeedNumber.classList.add('download-speed-number') - const downloadSpeedUnit = document.createElement('span') - downloadSpeedText.appendChild(downloadSpeedNumber) - downloadSpeedText.appendChild(downloadSpeedUnit) - subDiv.appendChild(downloadSpeedText) - - const uploadIcon = document.createElement('span') - uploadIcon.classList.add('icon', 'icon-upload') - subDiv.appendChild(uploadIcon) - - const uploadSpeedText = document.createElement('span') - uploadSpeedText.classList.add('upload-speed-text') - const uploadSpeedNumber = document.createElement('span') - uploadSpeedNumber.classList.add('upload-speed-number') - const uploadSpeedUnit = document.createElement('span') - uploadSpeedText.appendChild(uploadSpeedNumber) - uploadSpeedText.appendChild(uploadSpeedUnit) - subDiv.appendChild(uploadSpeedText) - - const peersText = document.createElement('span') - peersText.textContent = ' peers' - peersText.classList.add('peers-text') - const peersNumber = document.createElement('span') - peersNumber.classList.add('peers-number') - subDiv.appendChild(peersNumber) - subDiv.appendChild(peersText) - - div.className = 'vjs-webtorrent' - // Hide the stats before we get the info - subDiv.className = 'vjs-webtorrent-hidden' - - this.player_.peertube().on('torrentInfo', (event, data) => { - const downloadSpeed = bytes(data.downloadSpeed) - const uploadSpeed = bytes(data.uploadSpeed) - const numPeers = data.numPeers - - downloadSpeedNumber.textContent = downloadSpeed[0] - downloadSpeedUnit.textContent = ' ' + downloadSpeed[1] - - uploadSpeedNumber.textContent = uploadSpeed[0] - uploadSpeedUnit.textContent = ' ' + uploadSpeed[1] - - peersNumber.textContent = numPeers - - subDiv.className = 'vjs-webtorrent-displayed' + this.addTorrent(this.currentVideoFile.magnetUri, previousVideoFile, options, () => { + this.player.playbackRate(oldPlaybackRate) + return done() }) - return div - } - - dispose () { - this.parentNode.removeChild(this) + this.trigger('videoFileUpdate') } -} -Button.registerComponent('WebTorrentButton', WebTorrentButton) - -const Plugin: VideoJSComponentInterface = videojsUntyped.getPlugin('plugin') -class PeerTubePlugin extends Plugin { - private player: any - private currentVideoFile: VideoFile - private playerElement: HTMLVideoElement - private videoFiles: VideoFile[] - private torrent: WebTorrent.Torrent - - constructor (player: VideoJSPlayer, options: PeertubePluginOptions) { - super(player, options) - this.videoFiles = options.videoFiles - - // 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 = function () { - return true + addTorrent ( + magnetOrTorrentUrl: string, + previousVideoFile: VideoFile, + options: { + forcePlay?: boolean, + seek?: number, + delay?: number + }, + done: Function + ) { + console.log('Adding ' + magnetOrTorrentUrl + '.') + + const oldTorrent = this.torrent + const torrentOptions = { + store: (chunkLength, storeOpts) => new CacheChunkStore(new PeertubeChunkStore(chunkLength, storeOpts), { + max: 100 + }) } - this.playerElement = options.playerElement + this.torrent = this.webtorrent.add(magnetOrTorrentUrl, torrentOptions, torrent => { + console.log('Added ' + magnetOrTorrentUrl + '.') - this.player.ready(() => { - this.initializePlayer(options) - this.runTorrentInfoScheduler() - }) - } + if (oldTorrent) { + // Pause the old torrent + oldTorrent.pause() + // Pause does not remove actual peers (in particular the webseed peer) + oldTorrent.removePeer(oldTorrent['ws']) - dispose () { - // Don't need to destroy renderer, video player will be destroyed - this.flushVideoFile(this.currentVideoFile, false) - } + // 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 - getCurrentResolution () { - return this.currentVideoFile ? this.currentVideoFile.resolution : -1 - } + if (err) console.error('Cannot render new torrent in fake video element.', err) - getCurrentResolutionLabel () { - return this.currentVideoFile ? this.currentVideoFile.resolutionLabel : '' - } + // Load the future file at the correct time + fakeVideoElem.currentTime = this.player.currentTime() + (options.delay / 2000) + }) + } + } - updateVideoFile (videoFile?: VideoFile, done?: () => void) { - if (done === undefined) { - done = () => { /* empty */ } - } + // Render the video in a few seconds? (on resolution change for example, we wait some seconds of the new video resolution) + this.addTorrentDelay = setTimeout(() => { + this.destroyFakeRenderer() - // Pick the first one - if (videoFile === undefined) { - videoFile = this.videoFiles[0] - } + const paused = this.player.paused() - // Don't add the same video file once again - if (this.currentVideoFile !== undefined && this.currentVideoFile.magnetUri === videoFile.magnetUri) { - return - } + this.flushVideoFile(previousVideoFile) - const previousVideoFile = this.currentVideoFile - this.currentVideoFile = videoFile + const renderVideoOptions = { autoplay: false, controls: true } + renderVideo(torrent.files[0], this.playerElement, renderVideoOptions,(err, renderer) => { + this.renderer = renderer - console.log('Adding ' + videoFile.magnetUri + '.') - this.torrent = webtorrent.add(videoFile.magnetUri, torrent => { - console.log('Added ' + videoFile.magnetUri + '.') + if (err) return this.fallbackToHttp(done) - this.flushVideoFile(previousVideoFile) + return this.tryToPlay(err => { + if (err) return done(err) - const options = { autoplay: true, controls: true } - renderVideo(torrent.files[0], this.playerElement, options,(err, renderer) => { - if (err) return this.handleError(err) + if (options.seek) this.seek(options.seek) + if (options.forcePlay === false && paused === true) this.player.pause() - this.renderer = renderer - this.player.play().then(done) - }) + return done(err) + }) + }) + }, options.delay || 0) }) - this.torrent.on('error', err => this.handleError(err)) + this.torrent.on('error', err => 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 - if (err.message.indexOf('Unsupported tracker protocol: http') !== -1) return + if (err.message.indexOf('Unsupported tracker protocol') !== -1) return + // Users don't care about issues with WebRTC, but developers do so log it in the console if (err.message.indexOf('Ice connection failed') !== -1) { - console.error(err) + console.log(err) return } - return 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.') + const newOptions = { forcePlay: true, seek: options.seek } + return this.addTorrent(this.torrent['xs'], previousVideoFile, newOptions, done) + } - this.trigger('videoFileUpdate') + // Remote instance is down + if (err.message.indexOf('from xs param') !== -1) { + this.handleError(err) + } + + console.warn(err) + }) } - updateResolution (resolution) { + 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 === resolution) - this.updateVideoFile(newVideoFile, () => { - this.player.currentTime(currentTime) - this.player.handleTechSeeked_() - }) + 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 && webtorrent.get(videoFile.magnetUri)) { - if (destroyRenderer === true) this.renderer.destroy() - webtorrent.remove(videoFile.magnetUri) + 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) } } - setVideoFiles (files: VideoFile[]) { - this.videoFiles = files + isAutoResolutionOn () { + return this.autoResolution + } + + enableAutoResolution () { + this.autoResolution = true + this.trigger('autoResolutionUpdate') + } + + disableAutoResolution (forbid = false) { + if (forbid === true) this.forbidAutoResolution = true - this.updateVideoFile(undefined, () => this.player.play()) + this.autoResolution = false + this.trigger('autoResolutionUpdate') } - private initializePlayer (options: PeertubePluginOptions) { - const controlBar = this.player.controlBar + isAutoResolutionForbidden () { + return this.forbidAutoResolution === true + } - const menuButton = new ResolutionMenuButton(this.player, options) - const fullscreenElement = controlBar.fullscreenToggle.el() - controlBar.resolutionSwitcher = controlBar.el().insertBefore(menuButton.el(), fullscreenElement) + getCurrentVideoFile () { + return this.currentVideoFile + } - if (options.peerTubeLink === true) { - const peerTubeLinkButton = new PeertubeLinkButton(this.player) - controlBar.peerTubeLink = controlBar.el().insertBefore(peerTubeLinkButton.el(), fullscreenElement) + getTorrent () { + return this.torrent + } + + private tryToPlay (done?: Function) { + if (!done) done = function () { /* empty */ } + + const playPromise = this.player.play() + if (playPromise !== undefined) { + return playPromise.then(done) + .catch(err => { + if (err.message.indexOf('The play() request was interrupted by a call to pause()') !== -1) { + return + } + + console.error(err) + this.player.pause() + this.player.posterImage.show() + this.player.removeClass('vjs-has-autoplay') + this.player.removeClass('vjs-has-big-play-button-clicked') + + return done() + }) } - const webTorrentButton = new WebTorrentButton(this.player) - controlBar.webTorrent = controlBar.el().insertBefore(webTorrentButton.el(), controlBar.progressControl.el()) + return done() + } - if (this.player.options_.autoplay === true) { - this.updateVideoFile() + 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] + + // Don't change the torrent is the play was 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 + + // 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 + } + } + + // 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) + + return videoFileMaxByResolution(filteredFiles) + } + + private getAndSaveActualDownloadSpeed () { + 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 () { + if (isMobile()) this.player.addClass('vjs-is-mobile') + + this.initSmoothProgressBar() + + this.initCaptions() + + this.alterInactivity() + + if (this.autoplay === true) { + this.player.posterImage.hide() + + this.updateVideoFile(undefined, { forcePlay: true, seek: this.startTime }) } else { - this.player.one('play', () => { - // On firefox, we need to wait to load the video before playing - if (navigator.userAgent.toLowerCase().indexOf('firefox') !== -1) { - this.player.pause() - this.updateVideoFile(undefined, () => this.player.play()) - return - } + // Don't try on iOS that does not support MediaSource + if (this.isIOS()) { + this.currentVideoFile = this.pickAverageVideoFile() + return this.fallbackToHttp(undefined, false) + } - this.updateVideoFile(undefined) - }) + // 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 }) + } } } + 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 () { - setInterval(() => { - if (this.torrent !== undefined) { - this.trigger('torrentInfo', { - downloadSpeed: this.torrent.downloadSpeed, - numPeers: this.torrent.numPeers, - uploadSpeed: this.torrent.uploadSpeed - }) + this.torrentInfoInterval = setInterval(() => { + // Not initialized yet + if (this.torrent === undefined) return + + // Http fallback + if (this.torrent === null) return this.trigger('torrentInfo', false) + + // this.webtorrent.downloadSpeed because we need to take into account the potential old torrent too + if (this.webtorrent.downloadSpeed !== 0) this.downloadSpeeds.push(this.webtorrent.downloadSpeed) + + return this.trigger('torrentInfo', { + downloadSpeed: this.torrent.downloadSpeed, + numPeers: this.torrent.numPeers, + uploadSpeed: this.torrent.uploadSpeed, + downloaded: this.torrent.downloaded, + uploaded: this.torrent.uploaded + }) + }, this.CONSTANTS.INFO_SCHEDULER) + } + + private runViewAdd () { + this.clearVideoViewInterval() + + // After 30 seconds (or 3/4 of the video), add a view to the video + let minSecondsToView = 30 + + if (this.videoDuration < minSecondsToView) minSecondsToView = (this.videoDuration * 3) / 4 + + let secondsViewed = 0 + this.videoViewInterval = setInterval(() => { + if (this.player && !this.player.paused()) { + secondsViewed += 1 + + if (secondsViewed > minSecondsToView) { + this.clearVideoViewInterval() + + this.addViewToVideo().catch(err => console.error(err)) + } } }, 1000) } + private clearVideoViewInterval () { + if (this.videoViewInterval !== undefined) { + clearInterval(this.videoViewInterval) + this.videoViewInterval = undefined + } + } + + private addViewToVideo () { + if (!this.videoViewUrl) return Promise.resolve(undefined) + + return fetch(this.videoViewUrl, { method: 'POST' }) + } + + private fallbackToHttp (done?: Function, play = true) { + this.disableAutoResolution(true) + + this.flushVideoFile(this.currentVideoFile, true) + this.torrent = null + + // Enable error display now this is our last fallback + this.player.one('error', () => this.enableErrorDisplay()) + + const httpUrl = this.currentVideoFile.fileUrl + this.player.src = this.savePlayerSrcFunction + this.player.src(httpUrl) + if (play) this.tryToPlay() + + if (done) return done() + } + private handleError (err: Error | string) { 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 alterInactivity () { + let saveInactivityTimeout: number + + const disableInactivity = () => { + saveInactivityTimeout = this.player.options_.inactivityTimeout + this.player.options_.inactivityTimeout = 0 + } + const enableInactivity = () => { + this.player.options_.inactivityTimeout = saveInactivityTimeout + } + + const settingsDialog = this.player.children_.find(c => c.name_ === 'SettingsDialog') + + this.player.controlBar.on('mouseenter', () => disableInactivity()) + settingsDialog.on('mouseenter', () => disableInactivity()) + this.player.controlBar.on('mouseleave', () => enableInactivity()) + settingsDialog.on('mouseleave', () => enableInactivity()) + } + + private pickAverageVideoFile () { + if (this.videoFiles.length === 1) return this.videoFiles[0] + + return this.videoFiles[Math.floor(this.videoFiles.length / 2)] + } + + private destroyFakeRenderer () { + if (this.fakeRenderer) { + if (this.fakeRenderer.destroy) { + try { + this.fakeRenderer.destroy() + } catch (err) { + console.log('Cannot destroy correctly fake renderer.', err) + } + } + this.fakeRenderer = undefined + } + } + + 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') + SeekBar.prototype.getPercent = function getPercent () { + // Allows for smooth scrubbing, when player can't keep up. + // const time = (this.player_.scrubbing()) ? + // this.player_.getCache().currentTime : + // this.player_.currentTime() + const time = this.player_.currentTime() + const percent = time / this.player_.duration() + return percent >= 1 ? 1 : percent + } + SeekBar.prototype.handleMouseMove = function handleMouseMove (event) { + let newTime = this.calculateDistance(event) * this.player_.duration() + if (newTime === this.player_.duration()) { + newTime = newTime - 0.1 + } + this.player_.currentTime(newTime) + this.update() + } + } } -videojsUntyped.registerPlugin('peertube', PeerTubePlugin) + +videojs.registerPlugin('peertube', PeerTubePlugin) +export { PeerTubePlugin }