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