X-Git-Url: https://git.immae.eu/?a=blobdiff_plain;f=client%2Fsrc%2Fstandalone%2Fvideos%2Fembed.ts;h=28c10c75cd7b3bbb3c3c8bc9d699e26a8ed6d3d9;hb=f0a3988066f72a28bb44520af072f18d91d77dde;hp=f2ac5dca6439a900df037cf1267b8db501bfee2a;hpb=c6352f2c64f3c1ad54f8500f493587cdce3d33c9;p=github%2FChocobozzz%2FPeerTube.git diff --git a/client/src/standalone/videos/embed.ts b/client/src/standalone/videos/embed.ts index f2ac5dca6..28c10c75c 100644 --- a/client/src/standalone/videos/embed.ts +++ b/client/src/standalone/videos/embed.ts @@ -1,55 +1,378 @@ import './embed.scss' -import * as videojs from 'video.js' +import 'core-js/es6/symbol' +import 'core-js/es6/object' +import 'core-js/es6/function' +import 'core-js/es6/parse-int' +import 'core-js/es6/parse-float' +import 'core-js/es6/number' +import 'core-js/es6/math' +import 'core-js/es6/string' +import 'core-js/es6/date' +import 'core-js/es6/array' +import 'core-js/es6/regexp' +import 'core-js/es6/map' +import 'core-js/es6/weak-map' +import 'core-js/es6/set' +// For google bot that uses Chrome 41 and does not understand fetch +import 'whatwg-fetch' -import { VideoDetails } from '../../../../shared' -import { getVideojsOptions } from '../../assets/player/peertube-player' +import * as Channel from 'jschannel' -function getVideoUrl (id: string) { - return window.location.origin + '/api/v1/videos/' + id -} +import { peertubeTranslate, ResultList, VideoDetails } from '../../../../shared' +import { PeerTubeResolution } from '../player/definitions' +import { VideoJSCaption } from '../../assets/player/peertube-videojs-typings' +import { VideoCaption } from '../../../../shared/models/videos/caption/video-caption.model' +import { + P2PMediaLoaderOptions, + PeertubePlayerManager, + PeertubePlayerManagerOptions, + PlayerMode +} from '../../assets/player/peertube-player-manager' +import { VideoStreamingPlaylistType } from '../../../../shared/models/videos/video-streaming-playlist.type' + +/** + * Embed API exposes control of the embed player to the outside world via + * JSChannels and window.postMessage + */ +class PeerTubeEmbedApi { + private channel: Channel.MessagingChannel + private isReady = false + private resolutions: PeerTubeResolution[] = null + + constructor (private embed: PeerTubeEmbed) { + } + + initialize () { + this.constructChannel() + this.setupStateTracking() + + // We're ready! + + this.notifyReady() + } + + private get element () { + return this.embed.videoElement + } + + private constructChannel () { + let channel = Channel.build({ window: window.parent, origin: '*', scope: this.embed.scope }) + + channel.bind('play', (txn, params) => this.embed.player.play()) + channel.bind('pause', (txn, params) => this.embed.player.pause()) + channel.bind('seek', (txn, time) => this.embed.player.currentTime(time)) + channel.bind('setVolume', (txn, value) => this.embed.player.volume(value)) + channel.bind('getVolume', (txn, value) => this.embed.player.volume()) + channel.bind('isReady', (txn, params) => this.isReady) + channel.bind('setResolution', (txn, resolutionId) => this.setResolution(resolutionId)) + channel.bind('getResolutions', (txn, params) => this.resolutions) + channel.bind('setPlaybackRate', (txn, playbackRate) => this.embed.player.playbackRate(playbackRate)) + channel.bind('getPlaybackRate', (txn, params) => this.embed.player.playbackRate()) + channel.bind('getPlaybackRates', (txn, params) => this.embed.playerOptions.playbackRates) + + this.channel = channel + } + + private setResolution (resolutionId: number) { + if (resolutionId === -1 && this.embed.player.webtorrent().isAutoResolutionForbidden()) return + + // Auto resolution + if (resolutionId === -1) { + this.embed.player.webtorrent().enableAutoResolution() + return + } + + this.embed.player.webtorrent().disableAutoResolution() + this.embed.player.webtorrent().updateResolution(resolutionId) + } + + /** + * Let the host know that we're ready to go! + */ + private notifyReady () { + this.isReady = true + this.channel.notify({ method: 'ready', params: true }) + } + + private setupStateTracking () { + let currentState: 'playing' | 'paused' | 'unstarted' = 'unstarted' + + setInterval(() => { + let position = this.element.currentTime + let volume = this.element.volume + + this.channel.notify({ + method: 'playbackStatusUpdate', + params: { + position, + volume, + playbackState: currentState + } + }) + }, 500) + + this.element.addEventListener('play', ev => { + currentState = 'playing' + this.channel.notify({ method: 'playbackStatusChange', params: 'playing' }) + }) -async function loadVideoInfo (videoId: string): Promise { - const response = await fetch(getVideoUrl(videoId)) - return response.json() + this.element.addEventListener('pause', ev => { + currentState = 'paused' + this.channel.notify({ method: 'playbackStatusChange', params: 'paused' }) + }) + + // PeerTube specific capabilities + + if (this.embed.player.webtorrent) { + this.embed.player.webtorrent().on('autoResolutionUpdate', () => this.loadWebTorrentResolutions()) + this.embed.player.webtorrent().on('videoFileUpdate', () => this.loadWebTorrentResolutions()) + } + } + + private loadWebTorrentResolutions () { + let resolutions = [] + let currentResolutionId = this.embed.player.webtorrent().getCurrentResolutionId() + + for (const videoFile of this.embed.player.webtorrent().videoFiles) { + let label = videoFile.resolution.label + if (videoFile.fps && videoFile.fps >= 50) { + label += videoFile.fps + } + + resolutions.push({ + id: videoFile.resolution.id, + label, + src: videoFile.magnetUri, + active: videoFile.resolution.id === currentResolutionId + }) + } + + this.resolutions = resolutions + this.channel.notify({ + method: 'resolutionUpdate', + params: this.resolutions + }) + } } -const urlParts = window.location.href.split('/') -const videoId = urlParts[urlParts.length - 1] +class PeerTubeEmbed { + videoElement: HTMLVideoElement + player: any + playerOptions: any + api: PeerTubeEmbedApi = null + autoplay: boolean + controls: boolean + muted: boolean + loop: boolean + subtitle: string + enableApi = false + startTime: number | string = 0 + stopTime: number | string + mode: PlayerMode + scope = 'peertube' -loadVideoInfo(videoId) - .then(videoInfo => { + static async main () { const videoContainerId = 'video-container' + const embed = new PeerTubeEmbed(videoContainerId) + await embed.init() + } + + constructor (private videoContainerId: string) { + this.videoElement = document.getElementById(videoContainerId) as HTMLVideoElement + } + + getVideoUrl (id: string) { + return window.location.origin + '/api/v1/videos/' + id + } + + loadVideoInfo (videoId: string): Promise { + return fetch(this.getVideoUrl(videoId)) + } + + loadVideoCaptions (videoId: string): Promise { + return fetch(this.getVideoUrl(videoId) + '/captions') + } + + removeElement (element: HTMLElement) { + element.parentElement.removeChild(element) + } + + displayError (text: string, translations?: { [ id: string ]: string }) { + // Remove video element + if (this.videoElement) this.removeElement(this.videoElement) + + const translatedText = peertubeTranslate(text, translations) + const translatedSorry = peertubeTranslate('Sorry', translations) + + document.title = translatedSorry + ' - ' + translatedText + + const errorBlock = document.getElementById('error-block') + errorBlock.style.display = 'flex' - const videoElement = document.getElementById(videoContainerId) as HTMLVideoElement - videoElement.poster = window.location.origin + videoInfo.previewPath + const errorTitle = document.getElementById('error-title') + errorTitle.innerHTML = peertubeTranslate('Sorry', translations) - let autoplay = false + const errorText = document.getElementById('error-content') + errorText.innerHTML = translatedText + } + videoNotFound (translations?: { [ id: string ]: string }) { + const text = 'This video does not exist.' + this.displayError(text, translations) + } + + videoFetchError (translations?: { [ id: string ]: string }) { + const text = 'We cannot fetch the video. Please try again later.' + this.displayError(text, translations) + } + + getParamToggle (params: URLSearchParams, name: string, defaultValue?: boolean) { + return params.has(name) ? (params.get(name) === '1' || params.get(name) === 'true') : defaultValue + } + + getParamString (params: URLSearchParams, name: string, defaultValue?: string) { + return params.has(name) ? params.get(name) : defaultValue + } + + async init () { + try { + await this.initCore() + } catch (e) { + console.error(e) + } + } + + private initializeApi () { + if (!this.enableApi) return + + this.api = new PeerTubeEmbedApi(this) + this.api.initialize() + } + + private loadParams () { try { let params = new URL(window.location.toString()).searchParams - autoplay = params.has('autoplay') && (params.get('autoplay') === '1' || params.get('autoplay') === 'true') + + this.autoplay = this.getParamToggle(params, 'autoplay') + this.controls = this.getParamToggle(params, 'controls') + this.muted = this.getParamToggle(params, 'muted') + this.loop = this.getParamToggle(params, 'loop') + this.enableApi = this.getParamToggle(params, 'api', this.enableApi) + + this.scope = this.getParamString(params, 'scope', this.scope) + this.subtitle = this.getParamString(params, 'subtitle') + this.startTime = this.getParamString(params, 'start') + this.stopTime = this.getParamString(params, 'stop') + + this.mode = this.getParamString(params, 'mode') === 'p2p-media-loader' ? 'p2p-media-loader' : 'webtorrent' } catch (err) { console.error('Cannot get params from URL.', err) } + } - const videojsOptions = getVideojsOptions({ - autoplay, - inactivityTimeout: 1500, - videoViewUrl: getVideoUrl(videoId) + '/views', - playerElement: videoElement, - videoFiles: videoInfo.files, - videoDuration: videoInfo.duration, - enableHotkeys: true, - peertubeLink: true - }) - videojs(videoContainerId, videojsOptions, function () { - const player = this + private async initCore () { + const urlParts = window.location.pathname.split('/') + const videoId = urlParts[ urlParts.length - 1 ] + + const [ serverTranslations, videoResponse, captionsResponse ] = await Promise.all([ + PeertubePlayerManager.getServerTranslations(window.location.origin, navigator.language), + this.loadVideoInfo(videoId), + this.loadVideoCaptions(videoId) + ]) + + if (!videoResponse.ok) { + if (videoResponse.status === 404) return this.videoNotFound(serverTranslations) + + return this.videoFetchError(serverTranslations) + } + + const videoInfo: VideoDetails = await videoResponse.json() + let videoCaptions: VideoJSCaption[] = [] + if (captionsResponse.ok) { + const { data } = (await captionsResponse.json()) as ResultList + videoCaptions = data.map(c => ({ + label: peertubeTranslate(c.language.label, serverTranslations), + language: c.language.id, + src: window.location.origin + c.captionPath + })) + } + + this.loadParams() + + const options: PeertubePlayerManagerOptions = { + common: { + autoplay: this.autoplay, + controls: this.controls, + muted: this.muted, + loop: this.loop, + captions: videoCaptions.length !== 0, + startTime: this.startTime, + stopTime: this.stopTime, + subtitle: this.subtitle, - player.dock({ + videoCaptions, + inactivityTimeout: 1500, + videoViewUrl: this.getVideoUrl(videoId) + '/views', + + playerElement: this.videoElement, + onPlayerElementChange: (element: HTMLVideoElement) => this.videoElement = element, + + videoDuration: videoInfo.duration, + enableHotkeys: true, + peertubeLink: true, + poster: window.location.origin + videoInfo.previewPath, + theaterMode: false, + + serverUrl: window.location.origin, + language: navigator.language, + embedUrl: window.location.origin + videoInfo.embedPath + }, + + webtorrent: { + videoFiles: videoInfo.files + } + } + + if (this.mode === 'p2p-media-loader') { + const hlsPlaylist = videoInfo.streamingPlaylists.find(p => p.type === VideoStreamingPlaylistType.HLS) + + Object.assign(options, { + p2pMediaLoader: { + playlistUrl: hlsPlaylist.playlistUrl, + segmentsSha256Url: hlsPlaylist.segmentsSha256Url, + redundancyBaseUrls: hlsPlaylist.redundancies.map(r => r.baseUrl), + trackerAnnounce: videoInfo.trackerUrls, + videoFiles: videoInfo.files + } as P2PMediaLoaderOptions + }) + } + + this.player = await PeertubePlayerManager.initialize(this.mode, options) + + this.player.on('customError', (event: any, data: any) => this.handleError(data.err, serverTranslations)) + + window[ 'videojsPlayer' ] = this.player + + if (this.controls) { + this.player.dock({ title: videoInfo.name, - description: 'Uses P2P, others may know you are watching this video.' + description: this.player.localize('Uses P2P, others may know your IP is downloading this video.') }) - }) - }) - .catch(err => console.error(err)) + } + + this.initializeApi() + } + + private handleError (err: Error, translations?: { [ id: string ]: string }) { + if (err.message.indexOf('from xs param') !== -1) { + this.player.dispose() + this.videoElement = null + this.displayError('This video is not available because the remote instance is not responding.', translations) + return + } + } +} + +PeerTubeEmbed.main() + .catch(err => console.error('Cannot init embed.', err))