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author | Chocobozzz <me@florianbigard.com> | 2019-01-23 15:36:45 +0100 |
---|---|---|
committer | Chocobozzz <chocobozzz@cpy.re> | 2019-02-11 09:13:02 +0100 |
commit | 2adfc7ea9a1f858db874df9fe322e7ae833db77c (patch) | |
tree | e27c6ebe01b7c96ea0e053839a38fc1f824d1284 /client/src/assets/player/peertube-videojs-plugin.ts | |
parent | 7eeb6a0ba4028d0e20847b846332dd0b7747c7f8 (diff) | |
download | PeerTube-2adfc7ea9a1f858db874df9fe322e7ae833db77c.tar.gz PeerTube-2adfc7ea9a1f858db874df9fe322e7ae833db77c.tar.zst PeerTube-2adfc7ea9a1f858db874df9fe322e7ae833db77c.zip |
Refractor videojs player
Add fake p2p-media-loader plugin
Diffstat (limited to 'client/src/assets/player/peertube-videojs-plugin.ts')
-rw-r--r-- | client/src/assets/player/peertube-videojs-plugin.ts | 754 |
1 files changed, 0 insertions, 754 deletions
diff --git a/client/src/assets/player/peertube-videojs-plugin.ts b/client/src/assets/player/peertube-videojs-plugin.ts deleted file mode 100644 index e9fb90c61..000000000 --- a/client/src/assets/player/peertube-videojs-plugin.ts +++ /dev/null | |||
@@ -1,754 +0,0 @@ | |||
1 | // FIXME: something weird with our path definition in tsconfig and typings | ||
2 | // @ts-ignore | ||
3 | import * as videojs from 'video.js' | ||
4 | |||
5 | import * as WebTorrent from 'webtorrent' | ||
6 | import { VideoFile } from '../../../../shared/models/videos/video.model' | ||
7 | import { renderVideo } from './video-renderer' | ||
8 | import './settings-menu-button' | ||
9 | import { PeertubePluginOptions, UserWatching, VideoJSCaption, VideoJSComponentInterface, videojsUntyped } from './peertube-videojs-typings' | ||
10 | import { isMobile, timeToInt, videoFileMaxByResolution, videoFileMinByResolution } from './utils' | ||
11 | import { PeertubeChunkStore } from './peertube-chunk-store' | ||
12 | import { | ||
13 | getAverageBandwidthInStore, | ||
14 | getStoredLastSubtitle, | ||
15 | getStoredMute, | ||
16 | getStoredVolume, | ||
17 | getStoredWebTorrentEnabled, | ||
18 | saveAverageBandwidth, | ||
19 | saveLastSubtitle, | ||
20 | saveMuteInStore, | ||
21 | saveVolumeInStore | ||
22 | } from './peertube-player-local-storage' | ||
23 | |||
24 | const CacheChunkStore = require('cache-chunk-store') | ||
25 | |||
26 | type PlayOptions = { | ||
27 | forcePlay?: boolean, | ||
28 | seek?: number, | ||
29 | delay?: number | ||
30 | } | ||
31 | |||
32 | const Plugin: VideoJSComponentInterface = videojs.getPlugin('plugin') | ||
33 | class PeerTubePlugin extends Plugin { | ||
34 | private readonly playerElement: HTMLVideoElement | ||
35 | |||
36 | private readonly autoplay: boolean = false | ||
37 | private readonly startTime: number = 0 | ||
38 | private readonly savePlayerSrcFunction: Function | ||
39 | private readonly videoFiles: VideoFile[] | ||
40 | private readonly videoViewUrl: string | ||
41 | private readonly videoDuration: number | ||
42 | private readonly CONSTANTS = { | ||
43 | INFO_SCHEDULER: 1000, // Don't change this | ||
44 | AUTO_QUALITY_SCHEDULER: 3000, // Check quality every 3 seconds | ||
45 | AUTO_QUALITY_THRESHOLD_PERCENT: 30, // Bandwidth should be 30% more important than a resolution bitrate to change to it | ||
46 | AUTO_QUALITY_OBSERVATION_TIME: 10000, // Wait 10 seconds after having change the resolution before another check | ||
47 | AUTO_QUALITY_HIGHER_RESOLUTION_DELAY: 5000, // Buffering higher resolution during 5 seconds | ||
48 | BANDWIDTH_AVERAGE_NUMBER_OF_VALUES: 5, // Last 5 seconds to build average bandwidth | ||
49 | USER_WATCHING_VIDEO_INTERVAL: 5000 // Every 5 seconds, notify the user is watching the video | ||
50 | } | ||
51 | |||
52 | private readonly webtorrent = new WebTorrent({ | ||
53 | tracker: { | ||
54 | rtcConfig: { | ||
55 | iceServers: [ | ||
56 | { | ||
57 | urls: 'stun:stun.stunprotocol.org' | ||
58 | }, | ||
59 | { | ||
60 | urls: 'stun:stun.framasoft.org' | ||
61 | } | ||
62 | ] | ||
63 | } | ||
64 | }, | ||
65 | dht: false | ||
66 | }) | ||
67 | |||
68 | private player: any | ||
69 | private currentVideoFile: VideoFile | ||
70 | private torrent: WebTorrent.Torrent | ||
71 | private videoCaptions: VideoJSCaption[] | ||
72 | private defaultSubtitle: string | ||
73 | |||
74 | private renderer: any | ||
75 | private fakeRenderer: any | ||
76 | private destroyingFakeRenderer = false | ||
77 | |||
78 | private autoResolution = true | ||
79 | private forbidAutoResolution = false | ||
80 | private isAutoResolutionObservation = false | ||
81 | private playerRefusedP2P = false | ||
82 | |||
83 | private videoViewInterval: any | ||
84 | private torrentInfoInterval: any | ||
85 | private autoQualityInterval: any | ||
86 | private userWatchingVideoInterval: any | ||
87 | private addTorrentDelay: any | ||
88 | private qualityObservationTimer: any | ||
89 | private runAutoQualitySchedulerTimer: any | ||
90 | |||
91 | private downloadSpeeds: number[] = [] | ||
92 | |||
93 | constructor (player: videojs.Player, options: PeertubePluginOptions) { | ||
94 | super(player, options) | ||
95 | |||
96 | // Disable auto play on iOS | ||
97 | this.autoplay = options.autoplay && this.isIOS() === false | ||
98 | this.playerRefusedP2P = !getStoredWebTorrentEnabled() | ||
99 | |||
100 | this.startTime = timeToInt(options.startTime) | ||
101 | this.videoFiles = options.videoFiles | ||
102 | this.videoViewUrl = options.videoViewUrl | ||
103 | this.videoDuration = options.videoDuration | ||
104 | this.videoCaptions = options.videoCaptions | ||
105 | |||
106 | this.savePlayerSrcFunction = this.player.src | ||
107 | this.playerElement = options.playerElement | ||
108 | |||
109 | if (this.autoplay === true) this.player.addClass('vjs-has-autoplay') | ||
110 | |||
111 | this.player.ready(() => { | ||
112 | const playerOptions = this.player.options_ | ||
113 | |||
114 | const volume = getStoredVolume() | ||
115 | if (volume !== undefined) this.player.volume(volume) | ||
116 | |||
117 | const muted = playerOptions.muted !== undefined ? playerOptions.muted : getStoredMute() | ||
118 | if (muted !== undefined) this.player.muted(muted) | ||
119 | |||
120 | this.defaultSubtitle = options.subtitle || getStoredLastSubtitle() | ||
121 | |||
122 | this.player.on('volumechange', () => { | ||
123 | saveVolumeInStore(this.player.volume()) | ||
124 | saveMuteInStore(this.player.muted()) | ||
125 | }) | ||
126 | |||
127 | this.player.textTracks().on('change', () => { | ||
128 | const showing = this.player.textTracks().tracks_.find((t: { kind: string, mode: string }) => { | ||
129 | return t.kind === 'captions' && t.mode === 'showing' | ||
130 | }) | ||
131 | |||
132 | if (!showing) { | ||
133 | saveLastSubtitle('off') | ||
134 | return | ||
135 | } | ||
136 | |||
137 | saveLastSubtitle(showing.language) | ||
138 | }) | ||
139 | |||
140 | this.player.duration(options.videoDuration) | ||
141 | |||
142 | this.initializePlayer() | ||
143 | this.runTorrentInfoScheduler() | ||
144 | this.runViewAdd() | ||
145 | |||
146 | if (options.userWatching) this.runUserWatchVideo(options.userWatching) | ||
147 | |||
148 | this.player.one('play', () => { | ||
149 | // Don't run immediately scheduler, wait some seconds the TCP connections are made | ||
150 | this.runAutoQualitySchedulerTimer = setTimeout(() => this.runAutoQualityScheduler(), this.CONSTANTS.AUTO_QUALITY_SCHEDULER) | ||
151 | }) | ||
152 | }) | ||
153 | } | ||
154 | |||
155 | dispose () { | ||
156 | clearTimeout(this.addTorrentDelay) | ||
157 | clearTimeout(this.qualityObservationTimer) | ||
158 | clearTimeout(this.runAutoQualitySchedulerTimer) | ||
159 | |||
160 | clearInterval(this.videoViewInterval) | ||
161 | clearInterval(this.torrentInfoInterval) | ||
162 | clearInterval(this.autoQualityInterval) | ||
163 | |||
164 | if (this.userWatchingVideoInterval) clearInterval(this.userWatchingVideoInterval) | ||
165 | |||
166 | // Don't need to destroy renderer, video player will be destroyed | ||
167 | this.flushVideoFile(this.currentVideoFile, false) | ||
168 | |||
169 | this.destroyFakeRenderer() | ||
170 | } | ||
171 | |||
172 | getCurrentResolutionId () { | ||
173 | return this.currentVideoFile ? this.currentVideoFile.resolution.id : -1 | ||
174 | } | ||
175 | |||
176 | getCurrentResolutionLabel () { | ||
177 | if (!this.currentVideoFile) return '' | ||
178 | |||
179 | const fps = this.currentVideoFile.fps >= 50 ? this.currentVideoFile.fps : '' | ||
180 | return this.currentVideoFile.resolution.label + fps | ||
181 | } | ||
182 | |||
183 | updateVideoFile ( | ||
184 | videoFile?: VideoFile, | ||
185 | options: { | ||
186 | forcePlay?: boolean, | ||
187 | seek?: number, | ||
188 | delay?: number | ||
189 | } = {}, | ||
190 | done: () => void = () => { /* empty */ } | ||
191 | ) { | ||
192 | // Automatically choose the adapted video file | ||
193 | if (videoFile === undefined) { | ||
194 | const savedAverageBandwidth = getAverageBandwidthInStore() | ||
195 | videoFile = savedAverageBandwidth | ||
196 | ? this.getAppropriateFile(savedAverageBandwidth) | ||
197 | : this.pickAverageVideoFile() | ||
198 | } | ||
199 | |||
200 | // Don't add the same video file once again | ||
201 | if (this.currentVideoFile !== undefined && this.currentVideoFile.magnetUri === videoFile.magnetUri) { | ||
202 | return | ||
203 | } | ||
204 | |||
205 | // Do not display error to user because we will have multiple fallback | ||
206 | this.disableErrorDisplay() | ||
207 | |||
208 | // Hack to "simulate" src link in video.js >= 6 | ||
209 | // Without this, we can't play the video after pausing it | ||
210 | // https://github.com/videojs/video.js/blob/master/src/js/player.js#L1633 | ||
211 | this.player.src = () => true | ||
212 | const oldPlaybackRate = this.player.playbackRate() | ||
213 | |||
214 | const previousVideoFile = this.currentVideoFile | ||
215 | this.currentVideoFile = videoFile | ||
216 | |||
217 | // Don't try on iOS that does not support MediaSource | ||
218 | // Or don't use P2P if webtorrent is disabled | ||
219 | if (this.isIOS() || this.playerRefusedP2P) { | ||
220 | return this.fallbackToHttp(options, () => { | ||
221 | this.player.playbackRate(oldPlaybackRate) | ||
222 | return done() | ||
223 | }) | ||
224 | } | ||
225 | |||
226 | this.addTorrent(this.currentVideoFile.magnetUri, previousVideoFile, options, () => { | ||
227 | this.player.playbackRate(oldPlaybackRate) | ||
228 | return done() | ||
229 | }) | ||
230 | |||
231 | this.trigger('videoFileUpdate') | ||
232 | } | ||
233 | |||
234 | updateResolution (resolutionId: number, delay = 0) { | ||
235 | // Remember player state | ||
236 | const currentTime = this.player.currentTime() | ||
237 | const isPaused = this.player.paused() | ||
238 | |||
239 | // Remove poster to have black background | ||
240 | this.playerElement.poster = '' | ||
241 | |||
242 | // Hide bigPlayButton | ||
243 | if (!isPaused) { | ||
244 | this.player.bigPlayButton.hide() | ||
245 | } | ||
246 | |||
247 | const newVideoFile = this.videoFiles.find(f => f.resolution.id === resolutionId) | ||
248 | const options = { | ||
249 | forcePlay: false, | ||
250 | delay, | ||
251 | seek: currentTime + (delay / 1000) | ||
252 | } | ||
253 | this.updateVideoFile(newVideoFile, options) | ||
254 | } | ||
255 | |||
256 | flushVideoFile (videoFile: VideoFile, destroyRenderer = true) { | ||
257 | if (videoFile !== undefined && this.webtorrent.get(videoFile.magnetUri)) { | ||
258 | if (destroyRenderer === true && this.renderer && this.renderer.destroy) this.renderer.destroy() | ||
259 | |||
260 | this.webtorrent.remove(videoFile.magnetUri) | ||
261 | console.log('Removed ' + videoFile.magnetUri) | ||
262 | } | ||
263 | } | ||
264 | |||
265 | isAutoResolutionOn () { | ||
266 | return this.autoResolution | ||
267 | } | ||
268 | |||
269 | enableAutoResolution () { | ||
270 | this.autoResolution = true | ||
271 | this.trigger('autoResolutionUpdate') | ||
272 | } | ||
273 | |||
274 | disableAutoResolution (forbid = false) { | ||
275 | if (forbid === true) this.forbidAutoResolution = true | ||
276 | |||
277 | this.autoResolution = false | ||
278 | this.trigger('autoResolutionUpdate') | ||
279 | } | ||
280 | |||
281 | isAutoResolutionForbidden () { | ||
282 | return this.forbidAutoResolution === true | ||
283 | } | ||
284 | |||
285 | getCurrentVideoFile () { | ||
286 | return this.currentVideoFile | ||
287 | } | ||
288 | |||
289 | getTorrent () { | ||
290 | return this.torrent | ||
291 | } | ||
292 | |||
293 | private addTorrent ( | ||
294 | magnetOrTorrentUrl: string, | ||
295 | previousVideoFile: VideoFile, | ||
296 | options: PlayOptions, | ||
297 | done: Function | ||
298 | ) { | ||
299 | console.log('Adding ' + magnetOrTorrentUrl + '.') | ||
300 | |||
301 | const oldTorrent = this.torrent | ||
302 | const torrentOptions = { | ||
303 | store: (chunkLength: number, storeOpts: any) => new CacheChunkStore(new PeertubeChunkStore(chunkLength, storeOpts), { | ||
304 | max: 100 | ||
305 | }) | ||
306 | } | ||
307 | |||
308 | this.torrent = this.webtorrent.add(magnetOrTorrentUrl, torrentOptions, torrent => { | ||
309 | console.log('Added ' + magnetOrTorrentUrl + '.') | ||
310 | |||
311 | if (oldTorrent) { | ||
312 | // Pause the old torrent | ||
313 | this.stopTorrent(oldTorrent) | ||
314 | |||
315 | // We use a fake renderer so we download correct pieces of the next file | ||
316 | if (options.delay) this.renderFileInFakeElement(torrent.files[ 0 ], options.delay) | ||
317 | } | ||
318 | |||
319 | // Render the video in a few seconds? (on resolution change for example, we wait some seconds of the new video resolution) | ||
320 | this.addTorrentDelay = setTimeout(() => { | ||
321 | // We don't need the fake renderer anymore | ||
322 | this.destroyFakeRenderer() | ||
323 | |||
324 | const paused = this.player.paused() | ||
325 | |||
326 | this.flushVideoFile(previousVideoFile) | ||
327 | |||
328 | // Update progress bar (just for the UI), do not wait rendering | ||
329 | if (options.seek) this.player.currentTime(options.seek) | ||
330 | |||
331 | const renderVideoOptions = { autoplay: false, controls: true } | ||
332 | renderVideo(torrent.files[ 0 ], this.playerElement, renderVideoOptions, (err, renderer) => { | ||
333 | this.renderer = renderer | ||
334 | |||
335 | if (err) return this.fallbackToHttp(options, done) | ||
336 | |||
337 | return this.tryToPlay(err => { | ||
338 | if (err) return done(err) | ||
339 | |||
340 | if (options.seek) this.seek(options.seek) | ||
341 | if (options.forcePlay === false && paused === true) this.player.pause() | ||
342 | |||
343 | return done() | ||
344 | }) | ||
345 | }) | ||
346 | }, options.delay || 0) | ||
347 | }) | ||
348 | |||
349 | this.torrent.on('error', (err: any) => console.error(err)) | ||
350 | |||
351 | this.torrent.on('warning', (err: any) => { | ||
352 | // We don't support HTTP tracker but we don't care -> we use the web socket tracker | ||
353 | if (err.message.indexOf('Unsupported tracker protocol') !== -1) return | ||
354 | |||
355 | // Users don't care about issues with WebRTC, but developers do so log it in the console | ||
356 | if (err.message.indexOf('Ice connection failed') !== -1) { | ||
357 | console.log(err) | ||
358 | return | ||
359 | } | ||
360 | |||
361 | // Magnet hash is not up to date with the torrent file, add directly the torrent file | ||
362 | if (err.message.indexOf('incorrect info hash') !== -1) { | ||
363 | console.error('Incorrect info hash detected, falling back to torrent file.') | ||
364 | const newOptions = { forcePlay: true, seek: options.seek } | ||
365 | return this.addTorrent(this.torrent[ 'xs' ], previousVideoFile, newOptions, done) | ||
366 | } | ||
367 | |||
368 | // Remote instance is down | ||
369 | if (err.message.indexOf('from xs param') !== -1) { | ||
370 | this.handleError(err) | ||
371 | } | ||
372 | |||
373 | console.warn(err) | ||
374 | }) | ||
375 | } | ||
376 | |||
377 | private tryToPlay (done?: (err?: Error) => void) { | ||
378 | if (!done) done = function () { /* empty */ } | ||
379 | |||
380 | const playPromise = this.player.play() | ||
381 | if (playPromise !== undefined) { | ||
382 | return playPromise.then(done) | ||
383 | .catch((err: Error) => { | ||
384 | if (err.message.indexOf('The play() request was interrupted by a call to pause()') !== -1) { | ||
385 | return | ||
386 | } | ||
387 | |||
388 | console.error(err) | ||
389 | this.player.pause() | ||
390 | this.player.posterImage.show() | ||
391 | this.player.removeClass('vjs-has-autoplay') | ||
392 | this.player.removeClass('vjs-has-big-play-button-clicked') | ||
393 | |||
394 | return done() | ||
395 | }) | ||
396 | } | ||
397 | |||
398 | return done() | ||
399 | } | ||
400 | |||
401 | private seek (time: number) { | ||
402 | this.player.currentTime(time) | ||
403 | this.player.handleTechSeeked_() | ||
404 | } | ||
405 | |||
406 | private getAppropriateFile (averageDownloadSpeed?: number): VideoFile { | ||
407 | if (this.videoFiles === undefined || this.videoFiles.length === 0) return undefined | ||
408 | if (this.videoFiles.length === 1) return this.videoFiles[0] | ||
409 | |||
410 | // Don't change the torrent is the play was ended | ||
411 | if (this.torrent && this.torrent.progress === 1 && this.player.ended()) return this.currentVideoFile | ||
412 | |||
413 | if (!averageDownloadSpeed) averageDownloadSpeed = this.getAndSaveActualDownloadSpeed() | ||
414 | |||
415 | // Limit resolution according to player height | ||
416 | const playerHeight = this.playerElement.offsetHeight as number | ||
417 | |||
418 | // We take the first resolution just above the player height | ||
419 | // Example: player height is 530px, we want the 720p file instead of 480p | ||
420 | let maxResolution = this.videoFiles[0].resolution.id | ||
421 | for (let i = this.videoFiles.length - 1; i >= 0; i--) { | ||
422 | const resolutionId = this.videoFiles[i].resolution.id | ||
423 | if (resolutionId >= playerHeight) { | ||
424 | maxResolution = resolutionId | ||
425 | break | ||
426 | } | ||
427 | } | ||
428 | |||
429 | // Filter videos we can play according to our screen resolution and bandwidth | ||
430 | const filteredFiles = this.videoFiles | ||
431 | .filter(f => f.resolution.id <= maxResolution) | ||
432 | .filter(f => { | ||
433 | const fileBitrate = (f.size / this.videoDuration) | ||
434 | let threshold = fileBitrate | ||
435 | |||
436 | // If this is for a higher resolution or an initial load: add a margin | ||
437 | if (!this.currentVideoFile || f.resolution.id > this.currentVideoFile.resolution.id) { | ||
438 | threshold += ((fileBitrate * this.CONSTANTS.AUTO_QUALITY_THRESHOLD_PERCENT) / 100) | ||
439 | } | ||
440 | |||
441 | return averageDownloadSpeed > threshold | ||
442 | }) | ||
443 | |||
444 | // If the download speed is too bad, return the lowest resolution we have | ||
445 | if (filteredFiles.length === 0) return videoFileMinByResolution(this.videoFiles) | ||
446 | |||
447 | return videoFileMaxByResolution(filteredFiles) | ||
448 | } | ||
449 | |||
450 | private getAndSaveActualDownloadSpeed () { | ||
451 | const start = Math.max(this.downloadSpeeds.length - this.CONSTANTS.BANDWIDTH_AVERAGE_NUMBER_OF_VALUES, 0) | ||
452 | const lastDownloadSpeeds = this.downloadSpeeds.slice(start, this.downloadSpeeds.length) | ||
453 | if (lastDownloadSpeeds.length === 0) return -1 | ||
454 | |||
455 | const sum = lastDownloadSpeeds.reduce((a, b) => a + b) | ||
456 | const averageBandwidth = Math.round(sum / lastDownloadSpeeds.length) | ||
457 | |||
458 | // Save the average bandwidth for future use | ||
459 | saveAverageBandwidth(averageBandwidth) | ||
460 | |||
461 | return averageBandwidth | ||
462 | } | ||
463 | |||
464 | private initializePlayer () { | ||
465 | if (isMobile()) this.player.addClass('vjs-is-mobile') | ||
466 | |||
467 | this.initSmoothProgressBar() | ||
468 | |||
469 | this.initCaptions() | ||
470 | |||
471 | this.alterInactivity() | ||
472 | |||
473 | if (this.autoplay === true) { | ||
474 | this.player.posterImage.hide() | ||
475 | |||
476 | return this.updateVideoFile(undefined, { forcePlay: true, seek: this.startTime }) | ||
477 | } | ||
478 | |||
479 | // Proxy first play | ||
480 | const oldPlay = this.player.play.bind(this.player) | ||
481 | this.player.play = () => { | ||
482 | this.player.addClass('vjs-has-big-play-button-clicked') | ||
483 | this.player.play = oldPlay | ||
484 | |||
485 | this.updateVideoFile(undefined, { forcePlay: true, seek: this.startTime }) | ||
486 | } | ||
487 | } | ||
488 | |||
489 | private runAutoQualityScheduler () { | ||
490 | this.autoQualityInterval = setInterval(() => { | ||
491 | |||
492 | // Not initialized or in HTTP fallback | ||
493 | if (this.torrent === undefined || this.torrent === null) return | ||
494 | if (this.isAutoResolutionOn() === false) return | ||
495 | if (this.isAutoResolutionObservation === true) return | ||
496 | |||
497 | const file = this.getAppropriateFile() | ||
498 | let changeResolution = false | ||
499 | let changeResolutionDelay = 0 | ||
500 | |||
501 | // Lower resolution | ||
502 | if (this.isPlayerWaiting() && file.resolution.id < this.currentVideoFile.resolution.id) { | ||
503 | console.log('Downgrading automatically the resolution to: %s', file.resolution.label) | ||
504 | changeResolution = true | ||
505 | } else if (file.resolution.id > this.currentVideoFile.resolution.id) { // Higher resolution | ||
506 | console.log('Upgrading automatically the resolution to: %s', file.resolution.label) | ||
507 | changeResolution = true | ||
508 | changeResolutionDelay = this.CONSTANTS.AUTO_QUALITY_HIGHER_RESOLUTION_DELAY | ||
509 | } | ||
510 | |||
511 | if (changeResolution === true) { | ||
512 | this.updateResolution(file.resolution.id, changeResolutionDelay) | ||
513 | |||
514 | // Wait some seconds in observation of our new resolution | ||
515 | this.isAutoResolutionObservation = true | ||
516 | |||
517 | this.qualityObservationTimer = setTimeout(() => { | ||
518 | this.isAutoResolutionObservation = false | ||
519 | }, this.CONSTANTS.AUTO_QUALITY_OBSERVATION_TIME) | ||
520 | } | ||
521 | }, this.CONSTANTS.AUTO_QUALITY_SCHEDULER) | ||
522 | } | ||
523 | |||
524 | private isPlayerWaiting () { | ||
525 | return this.player && this.player.hasClass('vjs-waiting') | ||
526 | } | ||
527 | |||
528 | private runTorrentInfoScheduler () { | ||
529 | this.torrentInfoInterval = setInterval(() => { | ||
530 | // Not initialized yet | ||
531 | if (this.torrent === undefined) return | ||
532 | |||
533 | // Http fallback | ||
534 | if (this.torrent === null) return this.trigger('torrentInfo', false) | ||
535 | |||
536 | // this.webtorrent.downloadSpeed because we need to take into account the potential old torrent too | ||
537 | if (this.webtorrent.downloadSpeed !== 0) this.downloadSpeeds.push(this.webtorrent.downloadSpeed) | ||
538 | |||
539 | return this.trigger('torrentInfo', { | ||
540 | downloadSpeed: this.torrent.downloadSpeed, | ||
541 | numPeers: this.torrent.numPeers, | ||
542 | uploadSpeed: this.torrent.uploadSpeed, | ||
543 | downloaded: this.torrent.downloaded, | ||
544 | uploaded: this.torrent.uploaded | ||
545 | }) | ||
546 | }, this.CONSTANTS.INFO_SCHEDULER) | ||
547 | } | ||
548 | |||
549 | private runViewAdd () { | ||
550 | this.clearVideoViewInterval() | ||
551 | |||
552 | // After 30 seconds (or 3/4 of the video), add a view to the video | ||
553 | let minSecondsToView = 30 | ||
554 | |||
555 | if (this.videoDuration < minSecondsToView) minSecondsToView = (this.videoDuration * 3) / 4 | ||
556 | |||
557 | let secondsViewed = 0 | ||
558 | this.videoViewInterval = setInterval(() => { | ||
559 | if (this.player && !this.player.paused()) { | ||
560 | secondsViewed += 1 | ||
561 | |||
562 | if (secondsViewed > minSecondsToView) { | ||
563 | this.clearVideoViewInterval() | ||
564 | |||
565 | this.addViewToVideo().catch(err => console.error(err)) | ||
566 | } | ||
567 | } | ||
568 | }, 1000) | ||
569 | } | ||
570 | |||
571 | private runUserWatchVideo (options: UserWatching) { | ||
572 | let lastCurrentTime = 0 | ||
573 | |||
574 | this.userWatchingVideoInterval = setInterval(() => { | ||
575 | const currentTime = Math.floor(this.player.currentTime()) | ||
576 | |||
577 | if (currentTime - lastCurrentTime >= 1) { | ||
578 | lastCurrentTime = currentTime | ||
579 | |||
580 | this.notifyUserIsWatching(currentTime, options.url, options.authorizationHeader) | ||
581 | .catch(err => console.error('Cannot notify user is watching.', err)) | ||
582 | } | ||
583 | }, this.CONSTANTS.USER_WATCHING_VIDEO_INTERVAL) | ||
584 | } | ||
585 | |||
586 | private clearVideoViewInterval () { | ||
587 | if (this.videoViewInterval !== undefined) { | ||
588 | clearInterval(this.videoViewInterval) | ||
589 | this.videoViewInterval = undefined | ||
590 | } | ||
591 | } | ||
592 | |||
593 | private addViewToVideo () { | ||
594 | if (!this.videoViewUrl) return Promise.resolve(undefined) | ||
595 | |||
596 | return fetch(this.videoViewUrl, { method: 'POST' }) | ||
597 | } | ||
598 | |||
599 | private notifyUserIsWatching (currentTime: number, url: string, authorizationHeader: string) { | ||
600 | const body = new URLSearchParams() | ||
601 | body.append('currentTime', currentTime.toString()) | ||
602 | |||
603 | const headers = new Headers({ 'Authorization': authorizationHeader }) | ||
604 | |||
605 | return fetch(url, { method: 'PUT', body, headers }) | ||
606 | } | ||
607 | |||
608 | private fallbackToHttp (options: PlayOptions, done?: Function) { | ||
609 | const paused = this.player.paused() | ||
610 | |||
611 | this.disableAutoResolution(true) | ||
612 | |||
613 | this.flushVideoFile(this.currentVideoFile, true) | ||
614 | this.torrent = null | ||
615 | |||
616 | // Enable error display now this is our last fallback | ||
617 | this.player.one('error', () => this.enableErrorDisplay()) | ||
618 | |||
619 | const httpUrl = this.currentVideoFile.fileUrl | ||
620 | this.player.src = this.savePlayerSrcFunction | ||
621 | this.player.src(httpUrl) | ||
622 | |||
623 | // We changed the source, so reinit captions | ||
624 | this.initCaptions() | ||
625 | |||
626 | return this.tryToPlay(err => { | ||
627 | if (err && done) return done(err) | ||
628 | |||
629 | if (options.seek) this.seek(options.seek) | ||
630 | if (options.forcePlay === false && paused === true) this.player.pause() | ||
631 | |||
632 | if (done) return done() | ||
633 | }) | ||
634 | } | ||
635 | |||
636 | private handleError (err: Error | string) { | ||
637 | return this.player.trigger('customError', { err }) | ||
638 | } | ||
639 | |||
640 | private enableErrorDisplay () { | ||
641 | this.player.addClass('vjs-error-display-enabled') | ||
642 | } | ||
643 | |||
644 | private disableErrorDisplay () { | ||
645 | this.player.removeClass('vjs-error-display-enabled') | ||
646 | } | ||
647 | |||
648 | private isIOS () { | ||
649 | return !!navigator.platform && /iPad|iPhone|iPod/.test(navigator.platform) | ||
650 | } | ||
651 | |||
652 | private alterInactivity () { | ||
653 | let saveInactivityTimeout: number | ||
654 | |||
655 | const disableInactivity = () => { | ||
656 | saveInactivityTimeout = this.player.options_.inactivityTimeout | ||
657 | this.player.options_.inactivityTimeout = 0 | ||
658 | } | ||
659 | const enableInactivity = () => { | ||
660 | this.player.options_.inactivityTimeout = saveInactivityTimeout | ||
661 | } | ||
662 | |||
663 | const settingsDialog = this.player.children_.find((c: any) => c.name_ === 'SettingsDialog') | ||
664 | |||
665 | this.player.controlBar.on('mouseenter', () => disableInactivity()) | ||
666 | settingsDialog.on('mouseenter', () => disableInactivity()) | ||
667 | this.player.controlBar.on('mouseleave', () => enableInactivity()) | ||
668 | settingsDialog.on('mouseleave', () => enableInactivity()) | ||
669 | } | ||
670 | |||
671 | private pickAverageVideoFile () { | ||
672 | if (this.videoFiles.length === 1) return this.videoFiles[0] | ||
673 | |||
674 | return this.videoFiles[Math.floor(this.videoFiles.length / 2)] | ||
675 | } | ||
676 | |||
677 | private stopTorrent (torrent: WebTorrent.Torrent) { | ||
678 | torrent.pause() | ||
679 | // Pause does not remove actual peers (in particular the webseed peer) | ||
680 | torrent.removePeer(torrent[ 'ws' ]) | ||
681 | } | ||
682 | |||
683 | private renderFileInFakeElement (file: WebTorrent.TorrentFile, delay: number) { | ||
684 | this.destroyingFakeRenderer = false | ||
685 | |||
686 | const fakeVideoElem = document.createElement('video') | ||
687 | renderVideo(file, fakeVideoElem, { autoplay: false, controls: false }, (err, renderer) => { | ||
688 | this.fakeRenderer = renderer | ||
689 | |||
690 | // The renderer returns an error when we destroy it, so skip them | ||
691 | if (this.destroyingFakeRenderer === false && err) { | ||
692 | console.error('Cannot render new torrent in fake video element.', err) | ||
693 | } | ||
694 | |||
695 | // Load the future file at the correct time (in delay MS - 2 seconds) | ||
696 | fakeVideoElem.currentTime = this.player.currentTime() + (delay - 2000) | ||
697 | }) | ||
698 | } | ||
699 | |||
700 | private destroyFakeRenderer () { | ||
701 | if (this.fakeRenderer) { | ||
702 | this.destroyingFakeRenderer = true | ||
703 | |||
704 | if (this.fakeRenderer.destroy) { | ||
705 | try { | ||
706 | this.fakeRenderer.destroy() | ||
707 | } catch (err) { | ||
708 | console.log('Cannot destroy correctly fake renderer.', err) | ||
709 | } | ||
710 | } | ||
711 | this.fakeRenderer = undefined | ||
712 | } | ||
713 | } | ||
714 | |||
715 | private initCaptions () { | ||
716 | for (const caption of this.videoCaptions) { | ||
717 | this.player.addRemoteTextTrack({ | ||
718 | kind: 'captions', | ||
719 | label: caption.label, | ||
720 | language: caption.language, | ||
721 | id: caption.language, | ||
722 | src: caption.src, | ||
723 | default: this.defaultSubtitle === caption.language | ||
724 | }, false) | ||
725 | } | ||
726 | |||
727 | this.player.trigger('captionsChanged') | ||
728 | } | ||
729 | |||
730 | // Thanks: https://github.com/videojs/video.js/issues/4460#issuecomment-312861657 | ||
731 | private initSmoothProgressBar () { | ||
732 | const SeekBar = videojsUntyped.getComponent('SeekBar') | ||
733 | SeekBar.prototype.getPercent = function getPercent () { | ||
734 | // Allows for smooth scrubbing, when player can't keep up. | ||
735 | // const time = (this.player_.scrubbing()) ? | ||
736 | // this.player_.getCache().currentTime : | ||
737 | // this.player_.currentTime() | ||
738 | const time = this.player_.currentTime() | ||
739 | const percent = time / this.player_.duration() | ||
740 | return percent >= 1 ? 1 : percent | ||
741 | } | ||
742 | SeekBar.prototype.handleMouseMove = function handleMouseMove (event: any) { | ||
743 | let newTime = this.calculateDistance(event) * this.player_.duration() | ||
744 | if (newTime === this.player_.duration()) { | ||
745 | newTime = newTime - 0.1 | ||
746 | } | ||
747 | this.player_.currentTime(newTime) | ||
748 | this.update() | ||
749 | } | ||
750 | } | ||
751 | } | ||
752 | |||
753 | videojs.registerPlugin('peertube', PeerTubePlugin) | ||
754 | export { PeerTubePlugin } | ||