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1 | // Big thanks to: https://github.com/kmoskwiak/videojs-resolution-switcher | |
2 | ||
3 | import { VideoService } from '@app/shared/video/video.service' | |
4 | import * as videojs from 'video.js' | |
5 | import * as WebTorrent from 'webtorrent' | |
6 | import { VideoFile } from '../../../../shared/models/videos/video.model' | |
7 | import { renderVideo } from './video-renderer' | |
8 | ||
9 | declare module 'video.js' { | |
10 | interface Player { | |
11 | peertube (): PeerTubePlugin | |
12 | } | |
13 | } | |
14 | ||
15 | interface VideoJSComponentInterface { | |
16 | _player: videojs.Player | |
17 | ||
18 | new (player: videojs.Player, options?: any) | |
19 | ||
20 | registerComponent (name: string, obj: any) | |
21 | } | |
22 | ||
23 | type PeertubePluginOptions = { | |
24 | videoFiles: VideoFile[] | |
25 | playerElement: HTMLVideoElement | |
26 | peerTubeLink: boolean | |
27 | videoViewUrl: string | |
28 | videoDuration: number | |
29 | } | |
30 | ||
31 | // https://github.com/danrevah/ngx-pipes/blob/master/src/pipes/math/bytes.ts | |
32 | // Don't import all Angular stuff, just copy the code with shame | |
33 | const dictionaryBytes: Array<{max: number, type: string}> = [ | |
34 | { max: 1024, type: 'B' }, | |
35 | { max: 1048576, type: 'KB' }, | |
36 | { max: 1073741824, type: 'MB' }, | |
37 | { max: 1.0995116e12, type: 'GB' } | |
38 | ] | |
39 | function bytes (value) { | |
40 | const format = dictionaryBytes.find(d => value < d.max) || dictionaryBytes[dictionaryBytes.length - 1] | |
41 | const calc = Math.floor(value / (format.max / 1024)).toString() | |
42 | ||
43 | return [ calc, format.type ] | |
44 | } | |
45 | ||
46 | // videojs typings don't have some method we need | |
47 | const videojsUntyped = videojs as any | |
48 | const webtorrent = new WebTorrent({ dht: false }) | |
49 | ||
50 | const MenuItem: VideoJSComponentInterface = videojsUntyped.getComponent('MenuItem') | |
51 | class ResolutionMenuItem extends MenuItem { | |
52 | ||
53 | constructor (player: videojs.Player, options) { | |
54 | options.selectable = true | |
55 | super(player, options) | |
56 | ||
57 | const currentResolution = this.player_.peertube().getCurrentResolution() | |
58 | this.selected(this.options_.id === currentResolution) | |
59 | } | |
60 | ||
61 | handleClick (event) { | |
62 | super.handleClick(event) | |
63 | ||
64 | this.player_.peertube().updateResolution(this.options_.id) | |
65 | } | |
66 | } | |
67 | MenuItem.registerComponent('ResolutionMenuItem', ResolutionMenuItem) | |
68 | ||
69 | const MenuButton: VideoJSComponentInterface = videojsUntyped.getComponent('MenuButton') | |
70 | class ResolutionMenuButton extends MenuButton { | |
71 | label: HTMLElement | |
72 | ||
73 | constructor (player: videojs.Player, options) { | |
74 | options.label = 'Quality' | |
75 | super(player, options) | |
76 | ||
77 | this.label = document.createElement('span') | |
78 | ||
79 | this.el().setAttribute('aria-label', 'Quality') | |
80 | this.controlText('Quality') | |
81 | ||
82 | videojsUntyped.dom.addClass(this.label, 'vjs-resolution-button-label') | |
83 | this.el().appendChild(this.label) | |
84 | ||
85 | player.peertube().on('videoFileUpdate', () => this.update()) | |
86 | } | |
87 | ||
88 | createItems () { | |
89 | const menuItems = [] | |
90 | for (const videoFile of this.player_.peertube().videoFiles) { | |
91 | menuItems.push(new ResolutionMenuItem( | |
92 | this.player_, | |
93 | { | |
94 | id: videoFile.resolution, | |
95 | label: videoFile.resolutionLabel, | |
96 | src: videoFile.magnetUri, | |
97 | selected: videoFile.resolution === this.currentSelection | |
98 | }) | |
99 | ) | |
100 | } | |
101 | ||
102 | return menuItems | |
103 | } | |
104 | ||
105 | update () { | |
106 | if (!this.label) return | |
107 | ||
108 | this.label.innerHTML = this.player_.peertube().getCurrentResolutionLabel() | |
109 | this.hide() | |
110 | return super.update() | |
111 | } | |
112 | ||
113 | buildCSSClass () { | |
114 | return super.buildCSSClass() + ' vjs-resolution-button' | |
115 | } | |
116 | ||
117 | dispose () { | |
118 | this.parentNode.removeChild(this) | |
119 | } | |
120 | } | |
121 | MenuButton.registerComponent('ResolutionMenuButton', ResolutionMenuButton) | |
122 | ||
123 | const Button: VideoJSComponentInterface = videojsUntyped.getComponent('Button') | |
124 | class PeertubeLinkButton extends Button { | |
125 | ||
126 | createEl () { | |
127 | const link = document.createElement('a') | |
128 | link.href = window.location.href.replace('embed', 'watch') | |
129 | link.innerHTML = 'PeerTube' | |
130 | link.title = 'Go to the video page' | |
131 | link.className = 'vjs-peertube-link' | |
132 | link.target = '_blank' | |
133 | ||
134 | return link | |
135 | } | |
136 | ||
137 | handleClick () { | |
138 | this.player_.pause() | |
139 | } | |
140 | ||
141 | dispose () { | |
142 | this.parentNode.removeChild(this) | |
143 | } | |
144 | } | |
145 | Button.registerComponent('PeerTubeLinkButton', PeertubeLinkButton) | |
146 | ||
147 | class WebTorrentButton extends Button { | |
148 | createEl () { | |
149 | const div = document.createElement('div') | |
150 | const subDiv = document.createElement('div') | |
151 | div.appendChild(subDiv) | |
152 | ||
153 | const downloadIcon = document.createElement('span') | |
154 | downloadIcon.classList.add('icon', 'icon-download') | |
155 | subDiv.appendChild(downloadIcon) | |
156 | ||
157 | const downloadSpeedText = document.createElement('span') | |
158 | downloadSpeedText.classList.add('download-speed-text') | |
159 | const downloadSpeedNumber = document.createElement('span') | |
160 | downloadSpeedNumber.classList.add('download-speed-number') | |
161 | const downloadSpeedUnit = document.createElement('span') | |
162 | downloadSpeedText.appendChild(downloadSpeedNumber) | |
163 | downloadSpeedText.appendChild(downloadSpeedUnit) | |
164 | subDiv.appendChild(downloadSpeedText) | |
165 | ||
166 | const uploadIcon = document.createElement('span') | |
167 | uploadIcon.classList.add('icon', 'icon-upload') | |
168 | subDiv.appendChild(uploadIcon) | |
169 | ||
170 | const uploadSpeedText = document.createElement('span') | |
171 | uploadSpeedText.classList.add('upload-speed-text') | |
172 | const uploadSpeedNumber = document.createElement('span') | |
173 | uploadSpeedNumber.classList.add('upload-speed-number') | |
174 | const uploadSpeedUnit = document.createElement('span') | |
175 | uploadSpeedText.appendChild(uploadSpeedNumber) | |
176 | uploadSpeedText.appendChild(uploadSpeedUnit) | |
177 | subDiv.appendChild(uploadSpeedText) | |
178 | ||
179 | const peersText = document.createElement('span') | |
180 | peersText.textContent = ' peers' | |
181 | peersText.classList.add('peers-text') | |
182 | const peersNumber = document.createElement('span') | |
183 | peersNumber.classList.add('peers-number') | |
184 | subDiv.appendChild(peersNumber) | |
185 | subDiv.appendChild(peersText) | |
186 | ||
187 | div.className = 'vjs-webtorrent' | |
188 | // Hide the stats before we get the info | |
189 | subDiv.className = 'vjs-webtorrent-hidden' | |
190 | ||
191 | this.player_.peertube().on('torrentInfo', (event, data) => { | |
192 | const downloadSpeed = bytes(data.downloadSpeed) | |
193 | const uploadSpeed = bytes(data.uploadSpeed) | |
194 | const numPeers = data.numPeers | |
195 | ||
196 | downloadSpeedNumber.textContent = downloadSpeed[0] | |
197 | downloadSpeedUnit.textContent = ' ' + downloadSpeed[1] | |
198 | ||
199 | uploadSpeedNumber.textContent = uploadSpeed[0] | |
200 | uploadSpeedUnit.textContent = ' ' + uploadSpeed[1] | |
201 | ||
202 | peersNumber.textContent = numPeers | |
203 | ||
204 | subDiv.className = 'vjs-webtorrent-displayed' | |
205 | }) | |
206 | ||
207 | return div | |
208 | } | |
209 | ||
210 | dispose () { | |
211 | this.parentNode.removeChild(this) | |
212 | } | |
213 | } | |
214 | Button.registerComponent('WebTorrentButton', WebTorrentButton) | |
215 | ||
216 | const Plugin: VideoJSComponentInterface = videojsUntyped.getPlugin('plugin') | |
217 | class PeerTubePlugin extends Plugin { | |
218 | private player: any | |
219 | private currentVideoFile: VideoFile | |
220 | private playerElement: HTMLVideoElement | |
221 | private videoFiles: VideoFile[] | |
222 | private torrent: WebTorrent.Torrent | |
223 | private autoplay = false | |
224 | private videoViewUrl: string | |
225 | private videoDuration: number | |
226 | private videoViewInterval | |
227 | private torrentInfoInterval | |
228 | ||
229 | constructor (player: videojs.Player, options: PeertubePluginOptions) { | |
230 | super(player, options) | |
231 | ||
232 | // Fix canplay event on google chrome by disabling default videojs autoplay | |
233 | this.autoplay = this.player.options_.autoplay | |
234 | this.player.options_.autoplay = false | |
235 | ||
236 | this.videoFiles = options.videoFiles | |
237 | this.videoViewUrl = options.videoViewUrl | |
238 | this.videoDuration = options.videoDuration | |
239 | ||
240 | // Hack to "simulate" src link in video.js >= 6 | |
241 | // Without this, we can't play the video after pausing it | |
242 | // https://github.com/videojs/video.js/blob/master/src/js/player.js#L1633 | |
243 | this.player.src = function () { | |
244 | return true | |
245 | } | |
246 | ||
247 | this.playerElement = options.playerElement | |
248 | ||
249 | this.player.ready(() => { | |
250 | this.initializePlayer(options) | |
251 | this.runTorrentInfoScheduler() | |
252 | this.runViewAdd() | |
253 | }) | |
254 | } | |
255 | ||
256 | dispose () { | |
257 | clearInterval(this.videoViewInterval) | |
258 | clearInterval(this.torrentInfoInterval) | |
259 | ||
260 | // Don't need to destroy renderer, video player will be destroyed | |
261 | this.flushVideoFile(this.currentVideoFile, false) | |
262 | } | |
263 | ||
264 | getCurrentResolution () { | |
265 | return this.currentVideoFile ? this.currentVideoFile.resolution : -1 | |
266 | } | |
267 | ||
268 | getCurrentResolutionLabel () { | |
269 | return this.currentVideoFile ? this.currentVideoFile.resolutionLabel : '' | |
270 | } | |
271 | ||
272 | updateVideoFile (videoFile?: VideoFile, done?: () => void) { | |
273 | if (done === undefined) { | |
274 | done = () => { /* empty */ } | |
275 | } | |
276 | ||
277 | // Pick the first one | |
278 | if (videoFile === undefined) { | |
279 | videoFile = this.videoFiles[0] | |
280 | } | |
281 | ||
282 | // Don't add the same video file once again | |
283 | if (this.currentVideoFile !== undefined && this.currentVideoFile.magnetUri === videoFile.magnetUri) { | |
284 | return | |
285 | } | |
286 | ||
287 | const previousVideoFile = this.currentVideoFile | |
288 | this.currentVideoFile = videoFile | |
289 | ||
290 | console.log('Adding ' + videoFile.magnetUri + '.') | |
291 | this.torrent = webtorrent.add(videoFile.magnetUri, torrent => { | |
292 | console.log('Added ' + videoFile.magnetUri + '.') | |
293 | ||
294 | this.flushVideoFile(previousVideoFile) | |
295 | ||
296 | const options = { autoplay: true, controls: true } | |
297 | renderVideo(torrent.files[0], this.playerElement, options,(err, renderer) => { | |
298 | if (err) return this.handleError(err) | |
299 | ||
300 | this.renderer = renderer | |
301 | if (!this.player.paused()) { | |
302 | const playPromise = this.player.play() | |
303 | if (playPromise !== undefined) return playPromise.then(done) | |
304 | ||
305 | return done() | |
306 | } | |
307 | ||
308 | return done() | |
309 | }) | |
310 | }) | |
311 | ||
312 | this.torrent.on('error', err => this.handleError(err)) | |
313 | this.torrent.on('warning', (err: any) => { | |
314 | // We don't support HTTP tracker but we don't care -> we use the web socket tracker | |
315 | if (err.message.indexOf('Unsupported tracker protocol') !== -1) return | |
316 | // Users don't care about issues with WebRTC, but developers do so log it in the console | |
317 | if (err.message.indexOf('Ice connection failed') !== -1) { | |
318 | console.error(err) | |
319 | return | |
320 | } | |
321 | ||
322 | return this.handleError(err) | |
323 | }) | |
324 | ||
325 | this.trigger('videoFileUpdate') | |
326 | } | |
327 | ||
328 | updateResolution (resolution) { | |
329 | // Remember player state | |
330 | const currentTime = this.player.currentTime() | |
331 | const isPaused = this.player.paused() | |
332 | ||
333 | // Remove poster to have black background | |
334 | this.playerElement.poster = '' | |
335 | ||
336 | // Hide bigPlayButton | |
337 | if (!isPaused) { | |
338 | this.player.bigPlayButton.hide() | |
339 | } | |
340 | ||
341 | const newVideoFile = this.videoFiles.find(f => f.resolution === resolution) | |
342 | this.updateVideoFile(newVideoFile, () => { | |
343 | this.player.currentTime(currentTime) | |
344 | this.player.handleTechSeeked_() | |
345 | }) | |
346 | } | |
347 | ||
348 | flushVideoFile (videoFile: VideoFile, destroyRenderer = true) { | |
349 | if (videoFile !== undefined && webtorrent.get(videoFile.magnetUri)) { | |
350 | if (destroyRenderer === true) this.renderer.destroy() | |
351 | webtorrent.remove(videoFile.magnetUri) | |
352 | console.log('Removed ' + videoFile.magnetUri) | |
353 | } | |
354 | } | |
355 | ||
356 | setVideoFiles (files: VideoFile[], videoViewUrl: string, videoDuration: number) { | |
357 | this.videoViewUrl = videoViewUrl | |
358 | this.videoDuration = videoDuration | |
359 | this.videoFiles = files | |
360 | ||
361 | // Re run view add for the new video | |
362 | this.runViewAdd() | |
363 | this.updateVideoFile(undefined, () => this.player.play()) | |
364 | } | |
365 | ||
366 | private initializePlayer (options: PeertubePluginOptions) { | |
367 | const controlBar = this.player.controlBar | |
368 | ||
369 | const menuButton = new ResolutionMenuButton(this.player, options) | |
370 | const fullscreenElement = controlBar.fullscreenToggle.el() | |
371 | controlBar.resolutionSwitcher = controlBar.el().insertBefore(menuButton.el(), fullscreenElement) | |
372 | ||
373 | if (options.peerTubeLink === true) { | |
374 | const peerTubeLinkButton = new PeertubeLinkButton(this.player) | |
375 | controlBar.peerTubeLink = controlBar.el().insertBefore(peerTubeLinkButton.el(), fullscreenElement) | |
376 | } | |
377 | ||
378 | const webTorrentButton = new WebTorrentButton(this.player) | |
379 | controlBar.webTorrent = controlBar.el().insertBefore(webTorrentButton.el(), controlBar.progressControl.el()) | |
380 | ||
381 | if (this.autoplay === true) { | |
382 | this.updateVideoFile(undefined, () => this.player.play()) | |
383 | } else { | |
384 | this.player.one('play', () => { | |
385 | this.player.pause() | |
386 | this.updateVideoFile(undefined, () => this.player.play()) | |
387 | }) | |
388 | } | |
389 | } | |
390 | ||
391 | private runTorrentInfoScheduler () { | |
392 | this.torrentInfoInterval = setInterval(() => { | |
393 | if (this.torrent !== undefined) { | |
394 | this.trigger('torrentInfo', { | |
395 | downloadSpeed: this.torrent.downloadSpeed, | |
396 | numPeers: this.torrent.numPeers, | |
397 | uploadSpeed: this.torrent.uploadSpeed | |
398 | }) | |
399 | } | |
400 | }, 1000) | |
401 | } | |
402 | ||
403 | private runViewAdd () { | |
404 | this.clearVideoViewInterval() | |
405 | ||
406 | // After 30 seconds (or 3/4 of the video), add a view to the video | |
407 | let minSecondsToView = 30 | |
408 | ||
409 | if (this.videoDuration < minSecondsToView) minSecondsToView = (this.videoDuration * 3) / 4 | |
410 | ||
411 | let secondsViewed = 0 | |
412 | this.videoViewInterval = setInterval(() => { | |
413 | if (this.player && !this.player.paused()) { | |
414 | secondsViewed += 1 | |
415 | ||
416 | if (secondsViewed > minSecondsToView) { | |
417 | this.clearVideoViewInterval() | |
418 | ||
419 | this.addViewToVideo().catch(err => console.error(err)) | |
420 | } | |
421 | } | |
422 | }, 1000) | |
423 | } | |
424 | ||
425 | private clearVideoViewInterval () { | |
426 | if (this.videoViewInterval !== undefined) { | |
427 | clearInterval(this.videoViewInterval) | |
428 | this.videoViewInterval = undefined | |
429 | } | |
430 | } | |
431 | ||
432 | private addViewToVideo () { | |
433 | return fetch(this.videoViewUrl, { method: 'POST' }) | |
434 | } | |
435 | ||
436 | private handleError (err: Error | string) { | |
437 | return this.player.trigger('customError', { err }) | |
438 | } | |
439 | } | |
440 | videojsUntyped.registerPlugin('peertube', PeerTubePlugin) |