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202e7223 C |
1 | import './embed.scss' |
2 | ||
99941732 | 3 | import * as Channel from 'jschannel' |
c6352f2c | 4 | |
3dfa8494 | 5 | import { peertubeTranslate, ResultList, VideoDetails } from '../../../../shared' |
902aa3a0 | 6 | import { PeerTubeResolution } from '../player/definitions' |
16f7022b | 7 | import { VideoJSCaption } from '../../assets/player/peertube-videojs-typings' |
59c76ffa | 8 | import { VideoCaption } from '../../../../shared/models/videos/caption/video-caption.model' |
09209296 C |
9 | import { |
10 | P2PMediaLoaderOptions, | |
11 | PeertubePlayerManager, | |
12 | PeertubePlayerManagerOptions, | |
13 | PlayerMode | |
14 | } from '../../assets/player/peertube-player-manager' | |
15 | import { VideoStreamingPlaylistType } from '../../../../shared/models/videos/video-streaming-playlist.type' | |
202e7223 | 16 | |
99941732 | 17 | /** |
902aa3a0 | 18 | * Embed API exposes control of the embed player to the outside world via |
99941732 WL |
19 | * JSChannels and window.postMessage |
20 | */ | |
21 | class PeerTubeEmbedApi { | |
902aa3a0 | 22 | private channel: Channel.MessagingChannel |
99941732 | 23 | private isReady = false |
902aa3a0 C |
24 | private resolutions: PeerTubeResolution[] = null |
25 | ||
26 | constructor (private embed: PeerTubeEmbed) { | |
27 | } | |
d4f3fea6 | 28 | |
902aa3a0 | 29 | initialize () { |
99941732 WL |
30 | this.constructChannel() |
31 | this.setupStateTracking() | |
d4f3fea6 | 32 | |
99941732 | 33 | // We're ready! |
d4f3fea6 | 34 | |
99941732 WL |
35 | this.notifyReady() |
36 | } | |
902aa3a0 C |
37 | |
38 | private get element () { | |
99941732 WL |
39 | return this.embed.videoElement |
40 | } | |
d4f3fea6 | 41 | |
902aa3a0 | 42 | private constructChannel () { |
99941732 | 43 | let channel = Channel.build({ window: window.parent, origin: '*', scope: this.embed.scope }) |
902aa3a0 | 44 | |
99941732 WL |
45 | channel.bind('play', (txn, params) => this.embed.player.play()) |
46 | channel.bind('pause', (txn, params) => this.embed.player.pause()) | |
47 | channel.bind('seek', (txn, time) => this.embed.player.currentTime(time)) | |
48 | channel.bind('setVolume', (txn, value) => this.embed.player.volume(value)) | |
49 | channel.bind('getVolume', (txn, value) => this.embed.player.volume()) | |
50 | channel.bind('isReady', (txn, params) => this.isReady) | |
51 | channel.bind('setResolution', (txn, resolutionId) => this.setResolution(resolutionId)) | |
52 | channel.bind('getResolutions', (txn, params) => this.resolutions) | |
53 | channel.bind('setPlaybackRate', (txn, playbackRate) => this.embed.player.playbackRate(playbackRate)) | |
54 | channel.bind('getPlaybackRate', (txn, params) => this.embed.player.playbackRate()) | |
55 | channel.bind('getPlaybackRates', (txn, params) => this.embed.playerOptions.playbackRates) | |
d4f3fea6 | 56 | |
99941732 WL |
57 | this.channel = channel |
58 | } | |
d4f3fea6 | 59 | |
902aa3a0 | 60 | private setResolution (resolutionId: number) { |
2adfc7ea | 61 | if (resolutionId === -1 && this.embed.player.webtorrent().isAutoResolutionForbidden()) return |
99941732 WL |
62 | |
63 | // Auto resolution | |
64 | if (resolutionId === -1) { | |
2adfc7ea | 65 | this.embed.player.webtorrent().enableAutoResolution() |
99941732 WL |
66 | return |
67 | } | |
68 | ||
2adfc7ea C |
69 | this.embed.player.webtorrent().disableAutoResolution() |
70 | this.embed.player.webtorrent().updateResolution(resolutionId) | |
99941732 WL |
71 | } |
72 | ||
73 | /** | |
74 | * Let the host know that we're ready to go! | |
75 | */ | |
902aa3a0 | 76 | private notifyReady () { |
99941732 WL |
77 | this.isReady = true |
78 | this.channel.notify({ method: 'ready', params: true }) | |
79 | } | |
80 | ||
902aa3a0 C |
81 | private setupStateTracking () { |
82 | let currentState: 'playing' | 'paused' | 'unstarted' = 'unstarted' | |
99941732 WL |
83 | |
84 | setInterval(() => { | |
85 | let position = this.element.currentTime | |
86 | let volume = this.element.volume | |
87 | ||
88 | this.channel.notify({ | |
89 | method: 'playbackStatusUpdate', | |
90 | params: { | |
91 | position, | |
92 | volume, | |
902aa3a0 | 93 | playbackState: currentState |
99941732 WL |
94 | } |
95 | }) | |
96 | }, 500) | |
97 | ||
98 | this.element.addEventListener('play', ev => { | |
99 | currentState = 'playing' | |
100 | this.channel.notify({ method: 'playbackStatusChange', params: 'playing' }) | |
101 | }) | |
102 | ||
103 | this.element.addEventListener('pause', ev => { | |
104 | currentState = 'paused' | |
105 | this.channel.notify({ method: 'playbackStatusChange', params: 'paused' }) | |
106 | }) | |
107 | ||
108 | // PeerTube specific capabilities | |
109 | ||
2adfc7ea C |
110 | if (this.embed.player.webtorrent) { |
111 | this.embed.player.webtorrent().on('autoResolutionUpdate', () => this.loadWebTorrentResolutions()) | |
112 | this.embed.player.webtorrent().on('videoFileUpdate', () => this.loadWebTorrentResolutions()) | |
113 | } | |
99941732 WL |
114 | } |
115 | ||
2adfc7ea | 116 | private loadWebTorrentResolutions () { |
99941732 | 117 | let resolutions = [] |
2adfc7ea | 118 | let currentResolutionId = this.embed.player.webtorrent().getCurrentResolutionId() |
99941732 | 119 | |
2adfc7ea | 120 | for (const videoFile of this.embed.player.webtorrent().videoFiles) { |
99941732 WL |
121 | let label = videoFile.resolution.label |
122 | if (videoFile.fps && videoFile.fps >= 50) { | |
123 | label += videoFile.fps | |
124 | } | |
d4f3fea6 | 125 | |
99941732 WL |
126 | resolutions.push({ |
127 | id: videoFile.resolution.id, | |
128 | label, | |
129 | src: videoFile.magnetUri, | |
130 | active: videoFile.resolution.id === currentResolutionId | |
131 | }) | |
132 | } | |
133 | ||
134 | this.resolutions = resolutions | |
135 | this.channel.notify({ | |
136 | method: 'resolutionUpdate', | |
137 | params: this.resolutions | |
138 | }) | |
139 | } | |
202e7223 C |
140 | } |
141 | ||
99941732 | 142 | class PeerTubeEmbed { |
902aa3a0 C |
143 | videoElement: HTMLVideoElement |
144 | player: any | |
145 | playerOptions: any | |
146 | api: PeerTubeEmbedApi = null | |
3b019808 C |
147 | autoplay: boolean |
148 | controls: boolean | |
149 | muted: boolean | |
150 | loop: boolean | |
151 | subtitle: string | |
902aa3a0 | 152 | enableApi = false |
1f6824c9 | 153 | startTime: number | string = 0 |
f0a39880 | 154 | stopTime: number | string |
3b6f205c | 155 | mode: PlayerMode |
902aa3a0 C |
156 | scope = 'peertube' |
157 | ||
158 | static async main () { | |
c6352f2c | 159 | const videoContainerId = 'video-container' |
99941732 WL |
160 | const embed = new PeerTubeEmbed(videoContainerId) |
161 | await embed.init() | |
162 | } | |
902aa3a0 C |
163 | |
164 | constructor (private videoContainerId: string) { | |
165 | this.videoElement = document.getElementById(videoContainerId) as HTMLVideoElement | |
166 | } | |
167 | ||
99941732 WL |
168 | getVideoUrl (id: string) { |
169 | return window.location.origin + '/api/v1/videos/' + id | |
170 | } | |
d4f3fea6 | 171 | |
99941732 WL |
172 | loadVideoInfo (videoId: string): Promise<Response> { |
173 | return fetch(this.getVideoUrl(videoId)) | |
174 | } | |
d4f3fea6 | 175 | |
16f7022b C |
176 | loadVideoCaptions (videoId: string): Promise<Response> { |
177 | return fetch(this.getVideoUrl(videoId) + '/captions') | |
178 | } | |
179 | ||
99941732 WL |
180 | removeElement (element: HTMLElement) { |
181 | element.parentElement.removeChild(element) | |
182 | } | |
d4f3fea6 | 183 | |
ad3fa0c5 | 184 | displayError (text: string, translations?: { [ id: string ]: string }) { |
99941732 | 185 | // Remove video element |
6d88de72 | 186 | if (this.videoElement) this.removeElement(this.videoElement) |
99941732 | 187 | |
ad3fa0c5 C |
188 | const translatedText = peertubeTranslate(text, translations) |
189 | const translatedSorry = peertubeTranslate('Sorry', translations) | |
190 | ||
191 | document.title = translatedSorry + ' - ' + translatedText | |
99941732 WL |
192 | |
193 | const errorBlock = document.getElementById('error-block') | |
194 | errorBlock.style.display = 'flex' | |
195 | ||
ad3fa0c5 C |
196 | const errorTitle = document.getElementById('error-title') |
197 | errorTitle.innerHTML = peertubeTranslate('Sorry', translations) | |
198 | ||
99941732 | 199 | const errorText = document.getElementById('error-content') |
ad3fa0c5 | 200 | errorText.innerHTML = translatedText |
99941732 WL |
201 | } |
202 | ||
ad3fa0c5 | 203 | videoNotFound (translations?: { [ id: string ]: string }) { |
99941732 | 204 | const text = 'This video does not exist.' |
ad3fa0c5 | 205 | this.displayError(text, translations) |
99941732 WL |
206 | } |
207 | ||
ad3fa0c5 | 208 | videoFetchError (translations?: { [ id: string ]: string }) { |
99941732 | 209 | const text = 'We cannot fetch the video. Please try again later.' |
ad3fa0c5 | 210 | this.displayError(text, translations) |
99941732 WL |
211 | } |
212 | ||
3b019808 | 213 | getParamToggle (params: URLSearchParams, name: string, defaultValue?: boolean) { |
99941732 WL |
214 | return params.has(name) ? (params.get(name) === '1' || params.get(name) === 'true') : defaultValue |
215 | } | |
d4f3fea6 | 216 | |
3b019808 | 217 | getParamString (params: URLSearchParams, name: string, defaultValue?: string) { |
99941732 WL |
218 | return params.has(name) ? params.get(name) : defaultValue |
219 | } | |
da99ccf2 | 220 | |
902aa3a0 | 221 | async init () { |
99941732 WL |
222 | try { |
223 | await this.initCore() | |
224 | } catch (e) { | |
225 | console.error(e) | |
226 | } | |
227 | } | |
228 | ||
902aa3a0 C |
229 | private initializeApi () { |
230 | if (!this.enableApi) return | |
231 | ||
232 | this.api = new PeerTubeEmbedApi(this) | |
233 | this.api.initialize() | |
234 | } | |
235 | ||
236 | private loadParams () { | |
da99ccf2 C |
237 | try { |
238 | let params = new URL(window.location.toString()).searchParams | |
99941732 | 239 | |
3b019808 C |
240 | this.autoplay = this.getParamToggle(params, 'autoplay') |
241 | this.controls = this.getParamToggle(params, 'controls') | |
242 | this.muted = this.getParamToggle(params, 'muted') | |
243 | this.loop = this.getParamToggle(params, 'loop') | |
99941732 | 244 | this.enableApi = this.getParamToggle(params, 'api', this.enableApi) |
f37bad63 | 245 | |
3b019808 C |
246 | this.scope = this.getParamString(params, 'scope', this.scope) |
247 | this.subtitle = this.getParamString(params, 'subtitle') | |
248 | this.startTime = this.getParamString(params, 'start') | |
f0a39880 | 249 | this.stopTime = this.getParamString(params, 'stop') |
3b6f205c | 250 | |
597a9266 | 251 | this.mode = this.getParamString(params, 'mode') === 'p2p-media-loader' ? 'p2p-media-loader' : 'webtorrent' |
da99ccf2 C |
252 | } catch (err) { |
253 | console.error('Cannot get params from URL.', err) | |
254 | } | |
99941732 WL |
255 | } |
256 | ||
902aa3a0 | 257 | private async initCore () { |
6385c0cb C |
258 | const urlParts = window.location.pathname.split('/') |
259 | const videoId = urlParts[ urlParts.length - 1 ] | |
99941732 | 260 | |
2adfc7ea C |
261 | const [ serverTranslations, videoResponse, captionsResponse ] = await Promise.all([ |
262 | PeertubePlayerManager.getServerTranslations(window.location.origin, navigator.language), | |
16f7022b C |
263 | this.loadVideoInfo(videoId), |
264 | this.loadVideoCaptions(videoId) | |
265 | ]) | |
99941732 | 266 | |
16f7022b | 267 | if (!videoResponse.ok) { |
ad3fa0c5 | 268 | if (videoResponse.status === 404) return this.videoNotFound(serverTranslations) |
99941732 | 269 | |
ad3fa0c5 | 270 | return this.videoFetchError(serverTranslations) |
99941732 WL |
271 | } |
272 | ||
16f7022b C |
273 | const videoInfo: VideoDetails = await videoResponse.json() |
274 | let videoCaptions: VideoJSCaption[] = [] | |
275 | if (captionsResponse.ok) { | |
276 | const { data } = (await captionsResponse.json()) as ResultList<VideoCaption> | |
277 | videoCaptions = data.map(c => ({ | |
3dfa8494 | 278 | label: peertubeTranslate(c.language.label, serverTranslations), |
16f7022b C |
279 | language: c.language.id, |
280 | src: window.location.origin + c.captionPath | |
281 | })) | |
282 | } | |
99941732 WL |
283 | |
284 | this.loadParams() | |
da99ccf2 | 285 | |
2adfc7ea C |
286 | const options: PeertubePlayerManagerOptions = { |
287 | common: { | |
288 | autoplay: this.autoplay, | |
289 | controls: this.controls, | |
290 | muted: this.muted, | |
291 | loop: this.loop, | |
292 | captions: videoCaptions.length !== 0, | |
293 | startTime: this.startTime, | |
f0a39880 | 294 | stopTime: this.stopTime, |
2adfc7ea C |
295 | subtitle: this.subtitle, |
296 | ||
297 | videoCaptions, | |
298 | inactivityTimeout: 1500, | |
299 | videoViewUrl: this.getVideoUrl(videoId) + '/views', | |
6ec0b75b | 300 | |
2adfc7ea | 301 | playerElement: this.videoElement, |
6ec0b75b C |
302 | onPlayerElementChange: (element: HTMLVideoElement) => this.videoElement = element, |
303 | ||
2adfc7ea C |
304 | videoDuration: videoInfo.duration, |
305 | enableHotkeys: true, | |
306 | peertubeLink: true, | |
307 | poster: window.location.origin + videoInfo.previewPath, | |
308 | theaterMode: false, | |
309 | ||
310 | serverUrl: window.location.origin, | |
311 | language: navigator.language, | |
312 | embedUrl: window.location.origin + videoInfo.embedPath | |
6ec0b75b C |
313 | }, |
314 | ||
315 | webtorrent: { | |
316 | videoFiles: videoInfo.files | |
2adfc7ea | 317 | } |
3b6f205c | 318 | } |
2adfc7ea | 319 | |
3b6f205c | 320 | if (this.mode === 'p2p-media-loader') { |
09209296 C |
321 | const hlsPlaylist = videoInfo.streamingPlaylists.find(p => p.type === VideoStreamingPlaylistType.HLS) |
322 | ||
3b6f205c C |
323 | Object.assign(options, { |
324 | p2pMediaLoader: { | |
09209296 C |
325 | playlistUrl: hlsPlaylist.playlistUrl, |
326 | segmentsSha256Url: hlsPlaylist.segmentsSha256Url, | |
327 | redundancyBaseUrls: hlsPlaylist.redundancies.map(r => r.baseUrl), | |
328 | trackerAnnounce: videoInfo.trackerUrls, | |
329 | videoFiles: videoInfo.files | |
330 | } as P2PMediaLoaderOptions | |
3b6f205c | 331 | }) |
2adfc7ea | 332 | } |
202e7223 | 333 | |
3b6f205c | 334 | this.player = await PeertubePlayerManager.initialize(this.mode, options) |
e945b184 | 335 | |
2adfc7ea | 336 | this.player.on('customError', (event: any, data: any) => this.handleError(data.err, serverTranslations)) |
99941732 | 337 | |
2adfc7ea | 338 | window[ 'videojsPlayer' ] = this.player |
902aa3a0 | 339 | |
2adfc7ea C |
340 | if (this.controls) { |
341 | this.player.dock({ | |
342 | title: videoInfo.name, | |
343 | description: this.player.localize('Uses P2P, others may know your IP is downloading this video.') | |
344 | }) | |
345 | } | |
16f7022b | 346 | |
2adfc7ea | 347 | this.initializeApi() |
99941732 | 348 | } |
6d88de72 | 349 | |
ad3fa0c5 | 350 | private handleError (err: Error, translations?: { [ id: string ]: string }) { |
0f7fedc3 | 351 | if (err.message.indexOf('from xs param') !== -1) { |
6d88de72 C |
352 | this.player.dispose() |
353 | this.videoElement = null | |
ad3fa0c5 | 354 | this.displayError('This video is not available because the remote instance is not responding.', translations) |
6d88de72 C |
355 | return |
356 | } | |
357 | } | |
99941732 WL |
358 | } |
359 | ||
360 | PeerTubeEmbed.main() | |
902aa3a0 | 361 | .catch(err => console.error('Cannot init embed.', err)) |