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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, VideoJSCaption, VideoJSComponentInterface, videojsUntyped } from './peertube-videojs-typings' | |
7 | import { isMobile, videoFileMaxByResolution, videoFileMinByResolution, timeToInt } 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 videoCaptions: VideoJSCaption[] | |
58 | private renderer | |
59 | private fakeRenderer | |
60 | private autoResolution = true | |
61 | private forbidAutoResolution = false | |
62 | private isAutoResolutionObservation = false | |
63 | ||
64 | private videoViewInterval | |
65 | private torrentInfoInterval | |
66 | private autoQualityInterval | |
67 | private addTorrentDelay | |
68 | private qualityObservationTimer | |
69 | private runAutoQualitySchedulerTimer | |
70 | ||
71 | private downloadSpeeds: number[] = [] | |
72 | ||
73 | constructor (player: videojs.Player, options: PeertubePluginOptions) { | |
74 | super(player, options) | |
75 | ||
76 | // Disable auto play on iOS | |
77 | this.autoplay = options.autoplay && this.isIOS() === false | |
78 | ||
79 | this.startTime = timeToInt(options.startTime) | |
80 | this.videoFiles = options.videoFiles | |
81 | this.videoViewUrl = options.videoViewUrl | |
82 | this.videoDuration = options.videoDuration | |
83 | this.videoCaptions = options.videoCaptions | |
84 | ||
85 | this.savePlayerSrcFunction = this.player.src | |
86 | // Hack to "simulate" src link in video.js >= 6 | |
87 | // Without this, we can't play the video after pausing it | |
88 | // https://github.com/videojs/video.js/blob/master/src/js/player.js#L1633 | |
89 | this.player.src = () => true | |
90 | ||
91 | this.playerElement = options.playerElement | |
92 | ||
93 | if (this.autoplay === true) this.player.addClass('vjs-has-autoplay') | |
94 | ||
95 | this.player.ready(() => { | |
96 | const volume = getStoredVolume() | |
97 | if (volume !== undefined) this.player.volume(volume) | |
98 | const muted = getStoredMute() | |
99 | if (muted !== undefined) this.player.muted(muted) | |
100 | ||
101 | this.initializePlayer() | |
102 | this.runTorrentInfoScheduler() | |
103 | this.runViewAdd() | |
104 | ||
105 | this.player.one('play', () => { | |
106 | // Don't run immediately scheduler, wait some seconds the TCP connections are made | |
107 | this.runAutoQualitySchedulerTimer = setTimeout(() => { | |
108 | this.runAutoQualityScheduler() | |
109 | }, this.CONSTANTS.AUTO_QUALITY_SCHEDULER) | |
110 | }) | |
111 | }) | |
112 | ||
113 | this.player.on('volumechange', () => { | |
114 | saveVolumeInStore(this.player.volume()) | |
115 | saveMuteInStore(this.player.muted()) | |
116 | }) | |
117 | } | |
118 | ||
119 | dispose () { | |
120 | clearTimeout(this.addTorrentDelay) | |
121 | clearTimeout(this.qualityObservationTimer) | |
122 | clearTimeout(this.runAutoQualitySchedulerTimer) | |
123 | ||
124 | clearInterval(this.videoViewInterval) | |
125 | clearInterval(this.torrentInfoInterval) | |
126 | clearInterval(this.autoQualityInterval) | |
127 | ||
128 | // Don't need to destroy renderer, video player will be destroyed | |
129 | this.flushVideoFile(this.currentVideoFile, false) | |
130 | ||
131 | this.destroyFakeRenderer() | |
132 | } | |
133 | ||
134 | getCurrentResolutionId () { | |
135 | return this.currentVideoFile ? this.currentVideoFile.resolution.id : -1 | |
136 | } | |
137 | ||
138 | getCurrentResolutionLabel () { | |
139 | if (!this.currentVideoFile) return '' | |
140 | ||
141 | const fps = this.currentVideoFile.fps >= 50 ? this.currentVideoFile.fps : '' | |
142 | return this.currentVideoFile.resolution.label + fps | |
143 | } | |
144 | ||
145 | updateVideoFile ( | |
146 | videoFile?: VideoFile, | |
147 | options: { | |
148 | forcePlay?: boolean, | |
149 | seek?: number, | |
150 | delay?: number | |
151 | } = {}, | |
152 | done: () => void = () => { /* empty */ } | |
153 | ) { | |
154 | // Automatically choose the adapted video file | |
155 | if (videoFile === undefined) { | |
156 | const savedAverageBandwidth = getAverageBandwidthInStore() | |
157 | videoFile = savedAverageBandwidth | |
158 | ? this.getAppropriateFile(savedAverageBandwidth) | |
159 | : this.pickAverageVideoFile() | |
160 | } | |
161 | ||
162 | // Don't add the same video file once again | |
163 | if (this.currentVideoFile !== undefined && this.currentVideoFile.magnetUri === videoFile.magnetUri) { | |
164 | return | |
165 | } | |
166 | ||
167 | // Do not display error to user because we will have multiple fallback | |
168 | this.disableErrorDisplay() | |
169 | ||
170 | this.player.src = () => true | |
171 | const oldPlaybackRate = this.player.playbackRate() | |
172 | ||
173 | const previousVideoFile = this.currentVideoFile | |
174 | this.currentVideoFile = videoFile | |
175 | ||
176 | this.addTorrent(this.currentVideoFile.magnetUri, previousVideoFile, options, () => { | |
177 | this.player.playbackRate(oldPlaybackRate) | |
178 | return done() | |
179 | }) | |
180 | ||
181 | this.trigger('videoFileUpdate') | |
182 | } | |
183 | ||
184 | addTorrent ( | |
185 | magnetOrTorrentUrl: string, | |
186 | previousVideoFile: VideoFile, | |
187 | options: { | |
188 | forcePlay?: boolean, | |
189 | seek?: number, | |
190 | delay?: number | |
191 | }, | |
192 | done: Function | |
193 | ) { | |
194 | console.log('Adding ' + magnetOrTorrentUrl + '.') | |
195 | ||
196 | const oldTorrent = this.torrent | |
197 | const torrentOptions = { | |
198 | store: (chunkLength, storeOpts) => new CacheChunkStore(new PeertubeChunkStore(chunkLength, storeOpts), { | |
199 | max: 100 | |
200 | }) | |
201 | } | |
202 | ||
203 | this.torrent = this.webtorrent.add(magnetOrTorrentUrl, torrentOptions, torrent => { | |
204 | console.log('Added ' + magnetOrTorrentUrl + '.') | |
205 | ||
206 | if (oldTorrent) { | |
207 | // Pause the old torrent | |
208 | oldTorrent.pause() | |
209 | // Pause does not remove actual peers (in particular the webseed peer) | |
210 | oldTorrent.removePeer(oldTorrent['ws']) | |
211 | ||
212 | // We use a fake renderer so we download correct pieces of the next file | |
213 | if (options.delay) { | |
214 | const fakeVideoElem = document.createElement('video') | |
215 | renderVideo(torrent.files[0], fakeVideoElem, { autoplay: false, controls: false }, (err, renderer) => { | |
216 | this.fakeRenderer = renderer | |
217 | ||
218 | if (err) console.error('Cannot render new torrent in fake video element.', err) | |
219 | ||
220 | // Load the future file at the correct time | |
221 | fakeVideoElem.currentTime = this.player.currentTime() + (options.delay / 2000) | |
222 | }) | |
223 | } | |
224 | } | |
225 | ||
226 | // Render the video in a few seconds? (on resolution change for example, we wait some seconds of the new video resolution) | |
227 | this.addTorrentDelay = setTimeout(() => { | |
228 | this.destroyFakeRenderer() | |
229 | ||
230 | const paused = this.player.paused() | |
231 | ||
232 | this.flushVideoFile(previousVideoFile) | |
233 | ||
234 | const renderVideoOptions = { autoplay: false, controls: true } | |
235 | renderVideo(torrent.files[0], this.playerElement, renderVideoOptions,(err, renderer) => { | |
236 | this.renderer = renderer | |
237 | ||
238 | if (err) return this.fallbackToHttp(done) | |
239 | ||
240 | return this.tryToPlay(err => { | |
241 | if (err) return done(err) | |
242 | ||
243 | if (options.seek) this.seek(options.seek) | |
244 | if (options.forcePlay === false && paused === true) this.player.pause() | |
245 | ||
246 | return done(err) | |
247 | }) | |
248 | }) | |
249 | }, options.delay || 0) | |
250 | }) | |
251 | ||
252 | this.torrent.on('error', err => console.error(err)) | |
253 | ||
254 | this.torrent.on('warning', (err: any) => { | |
255 | // We don't support HTTP tracker but we don't care -> we use the web socket tracker | |
256 | if (err.message.indexOf('Unsupported tracker protocol') !== -1) return | |
257 | ||
258 | // Users don't care about issues with WebRTC, but developers do so log it in the console | |
259 | if (err.message.indexOf('Ice connection failed') !== -1) { | |
260 | console.log(err) | |
261 | return | |
262 | } | |
263 | ||
264 | // Magnet hash is not up to date with the torrent file, add directly the torrent file | |
265 | if (err.message.indexOf('incorrect info hash') !== -1) { | |
266 | console.error('Incorrect info hash detected, falling back to torrent file.') | |
267 | const newOptions = { forcePlay: true, seek: options.seek } | |
268 | return this.addTorrent(this.torrent['xs'], previousVideoFile, newOptions, done) | |
269 | } | |
270 | ||
271 | // Remote instance is down | |
272 | if (err.message.indexOf('from xs param') !== -1) { | |
273 | this.handleError(err) | |
274 | } | |
275 | ||
276 | console.warn(err) | |
277 | }) | |
278 | } | |
279 | ||
280 | updateResolution (resolutionId: number, delay = 0) { | |
281 | // Remember player state | |
282 | const currentTime = this.player.currentTime() | |
283 | const isPaused = this.player.paused() | |
284 | ||
285 | // Remove poster to have black background | |
286 | this.playerElement.poster = '' | |
287 | ||
288 | // Hide bigPlayButton | |
289 | if (!isPaused) { | |
290 | this.player.bigPlayButton.hide() | |
291 | } | |
292 | ||
293 | const newVideoFile = this.videoFiles.find(f => f.resolution.id === resolutionId) | |
294 | const options = { | |
295 | forcePlay: false, | |
296 | delay, | |
297 | seek: currentTime + (delay / 1000) | |
298 | } | |
299 | this.updateVideoFile(newVideoFile, options) | |
300 | } | |
301 | ||
302 | flushVideoFile (videoFile: VideoFile, destroyRenderer = true) { | |
303 | if (videoFile !== undefined && this.webtorrent.get(videoFile.magnetUri)) { | |
304 | if (destroyRenderer === true && this.renderer && this.renderer.destroy) this.renderer.destroy() | |
305 | ||
306 | this.webtorrent.remove(videoFile.magnetUri) | |
307 | console.log('Removed ' + videoFile.magnetUri) | |
308 | } | |
309 | } | |
310 | ||
311 | isAutoResolutionOn () { | |
312 | return this.autoResolution | |
313 | } | |
314 | ||
315 | enableAutoResolution () { | |
316 | this.autoResolution = true | |
317 | this.trigger('autoResolutionUpdate') | |
318 | } | |
319 | ||
320 | disableAutoResolution (forbid = false) { | |
321 | if (forbid === true) this.forbidAutoResolution = true | |
322 | ||
323 | this.autoResolution = false | |
324 | this.trigger('autoResolutionUpdate') | |
325 | } | |
326 | ||
327 | isAutoResolutionForbidden () { | |
328 | return this.forbidAutoResolution === true | |
329 | } | |
330 | ||
331 | getCurrentVideoFile () { | |
332 | return this.currentVideoFile | |
333 | } | |
334 | ||
335 | getTorrent () { | |
336 | return this.torrent | |
337 | } | |
338 | ||
339 | private tryToPlay (done?: Function) { | |
340 | if (!done) done = function () { /* empty */ } | |
341 | ||
342 | const playPromise = this.player.play() | |
343 | if (playPromise !== undefined) { | |
344 | return playPromise.then(done) | |
345 | .catch(err => { | |
346 | if (err.message.indexOf('The play() request was interrupted by a call to pause()') !== -1) { | |
347 | return | |
348 | } | |
349 | ||
350 | console.error(err) | |
351 | this.player.pause() | |
352 | this.player.posterImage.show() | |
353 | this.player.removeClass('vjs-has-autoplay') | |
354 | this.player.removeClass('vjs-has-big-play-button-clicked') | |
355 | ||
356 | return done() | |
357 | }) | |
358 | } | |
359 | ||
360 | return done() | |
361 | } | |
362 | ||
363 | private seek (time: number) { | |
364 | this.player.currentTime(time) | |
365 | this.player.handleTechSeeked_() | |
366 | } | |
367 | ||
368 | private getAppropriateFile (averageDownloadSpeed?: number): VideoFile { | |
369 | if (this.videoFiles === undefined || this.videoFiles.length === 0) return undefined | |
370 | if (this.videoFiles.length === 1) return this.videoFiles[0] | |
371 | ||
372 | // Don't change the torrent is the play was ended | |
373 | if (this.torrent && this.torrent.progress === 1 && this.player.ended()) return this.currentVideoFile | |
374 | ||
375 | if (!averageDownloadSpeed) averageDownloadSpeed = this.getAndSaveActualDownloadSpeed() | |
376 | ||
377 | // Limit resolution according to player height | |
378 | const playerHeight = this.playerElement.offsetHeight as number | |
379 | ||
380 | // We take the first resolution just above the player height | |
381 | // Example: player height is 530px, we want the 720p file instead of 480p | |
382 | let maxResolution = this.videoFiles[0].resolution.id | |
383 | for (let i = this.videoFiles.length - 1; i >= 0; i--) { | |
384 | const resolutionId = this.videoFiles[i].resolution.id | |
385 | if (resolutionId >= playerHeight) { | |
386 | maxResolution = resolutionId | |
387 | break | |
388 | } | |
389 | } | |
390 | ||
391 | // Filter videos we can play according to our screen resolution and bandwidth | |
392 | const filteredFiles = this.videoFiles | |
393 | .filter(f => f.resolution.id <= maxResolution) | |
394 | .filter(f => { | |
395 | const fileBitrate = (f.size / this.videoDuration) | |
396 | let threshold = fileBitrate | |
397 | ||
398 | // If this is for a higher resolution or an initial load: add a margin | |
399 | if (!this.currentVideoFile || f.resolution.id > this.currentVideoFile.resolution.id) { | |
400 | threshold += ((fileBitrate * this.CONSTANTS.AUTO_QUALITY_THRESHOLD_PERCENT) / 100) | |
401 | } | |
402 | ||
403 | return averageDownloadSpeed > threshold | |
404 | }) | |
405 | ||
406 | // If the download speed is too bad, return the lowest resolution we have | |
407 | if (filteredFiles.length === 0) return videoFileMinByResolution(this.videoFiles) | |
408 | ||
409 | return videoFileMaxByResolution(filteredFiles) | |
410 | } | |
411 | ||
412 | private getAndSaveActualDownloadSpeed () { | |
413 | const start = Math.max(this.downloadSpeeds.length - this.CONSTANTS.BANDWIDTH_AVERAGE_NUMBER_OF_VALUES, 0) | |
414 | const lastDownloadSpeeds = this.downloadSpeeds.slice(start, this.downloadSpeeds.length) | |
415 | if (lastDownloadSpeeds.length === 0) return -1 | |
416 | ||
417 | const sum = lastDownloadSpeeds.reduce((a, b) => a + b) | |
418 | const averageBandwidth = Math.round(sum / lastDownloadSpeeds.length) | |
419 | ||
420 | // Save the average bandwidth for future use | |
421 | saveAverageBandwidth(averageBandwidth) | |
422 | ||
423 | return averageBandwidth | |
424 | } | |
425 | ||
426 | private initializePlayer () { | |
427 | if (isMobile()) this.player.addClass('vjs-is-mobile') | |
428 | ||
429 | this.initSmoothProgressBar() | |
430 | ||
431 | this.initCaptions() | |
432 | ||
433 | this.alterInactivity() | |
434 | ||
435 | if (this.autoplay === true) { | |
436 | this.player.posterImage.hide() | |
437 | ||
438 | this.updateVideoFile(undefined, { forcePlay: true, seek: this.startTime }) | |
439 | } else { | |
440 | // Don't try on iOS that does not support MediaSource | |
441 | if (this.isIOS()) { | |
442 | this.currentVideoFile = this.pickAverageVideoFile() | |
443 | return this.fallbackToHttp(undefined, false) | |
444 | } | |
445 | ||
446 | // Proxy first play | |
447 | const oldPlay = this.player.play.bind(this.player) | |
448 | this.player.play = () => { | |
449 | this.player.addClass('vjs-has-big-play-button-clicked') | |
450 | this.player.play = oldPlay | |
451 | ||
452 | this.updateVideoFile(undefined, { forcePlay: true, seek: this.startTime }) | |
453 | } | |
454 | } | |
455 | } | |
456 | ||
457 | private runAutoQualityScheduler () { | |
458 | this.autoQualityInterval = setInterval(() => { | |
459 | ||
460 | // Not initialized or in HTTP fallback | |
461 | if (this.torrent === undefined || this.torrent === null) return | |
462 | if (this.isAutoResolutionOn() === false) return | |
463 | if (this.isAutoResolutionObservation === true) return | |
464 | ||
465 | const file = this.getAppropriateFile() | |
466 | let changeResolution = false | |
467 | let changeResolutionDelay = 0 | |
468 | ||
469 | // Lower resolution | |
470 | if (this.isPlayerWaiting() && file.resolution.id < this.currentVideoFile.resolution.id) { | |
471 | console.log('Downgrading automatically the resolution to: %s', file.resolution.label) | |
472 | changeResolution = true | |
473 | } else if (file.resolution.id > this.currentVideoFile.resolution.id) { // Higher resolution | |
474 | console.log('Upgrading automatically the resolution to: %s', file.resolution.label) | |
475 | changeResolution = true | |
476 | changeResolutionDelay = this.CONSTANTS.AUTO_QUALITY_HIGHER_RESOLUTION_DELAY | |
477 | } | |
478 | ||
479 | if (changeResolution === true) { | |
480 | this.updateResolution(file.resolution.id, changeResolutionDelay) | |
481 | ||
482 | // Wait some seconds in observation of our new resolution | |
483 | this.isAutoResolutionObservation = true | |
484 | ||
485 | this.qualityObservationTimer = setTimeout(() => { | |
486 | this.isAutoResolutionObservation = false | |
487 | }, this.CONSTANTS.AUTO_QUALITY_OBSERVATION_TIME) | |
488 | } | |
489 | }, this.CONSTANTS.AUTO_QUALITY_SCHEDULER) | |
490 | } | |
491 | ||
492 | private isPlayerWaiting () { | |
493 | return this.player && this.player.hasClass('vjs-waiting') | |
494 | } | |
495 | ||
496 | private runTorrentInfoScheduler () { | |
497 | this.torrentInfoInterval = setInterval(() => { | |
498 | // Not initialized yet | |
499 | if (this.torrent === undefined) return | |
500 | ||
501 | // Http fallback | |
502 | if (this.torrent === null) return this.trigger('torrentInfo', false) | |
503 | ||
504 | // this.webtorrent.downloadSpeed because we need to take into account the potential old torrent too | |
505 | if (this.webtorrent.downloadSpeed !== 0) this.downloadSpeeds.push(this.webtorrent.downloadSpeed) | |
506 | ||
507 | return this.trigger('torrentInfo', { | |
508 | downloadSpeed: this.torrent.downloadSpeed, | |
509 | numPeers: this.torrent.numPeers, | |
510 | uploadSpeed: this.torrent.uploadSpeed, | |
511 | downloaded: this.torrent.downloaded, | |
512 | uploaded: this.torrent.uploaded | |
513 | }) | |
514 | }, this.CONSTANTS.INFO_SCHEDULER) | |
515 | } | |
516 | ||
517 | private runViewAdd () { | |
518 | this.clearVideoViewInterval() | |
519 | ||
520 | // After 30 seconds (or 3/4 of the video), add a view to the video | |
521 | let minSecondsToView = 30 | |
522 | ||
523 | if (this.videoDuration < minSecondsToView) minSecondsToView = (this.videoDuration * 3) / 4 | |
524 | ||
525 | let secondsViewed = 0 | |
526 | this.videoViewInterval = setInterval(() => { | |
527 | if (this.player && !this.player.paused()) { | |
528 | secondsViewed += 1 | |
529 | ||
530 | if (secondsViewed > minSecondsToView) { | |
531 | this.clearVideoViewInterval() | |
532 | ||
533 | this.addViewToVideo().catch(err => console.error(err)) | |
534 | } | |
535 | } | |
536 | }, 1000) | |
537 | } | |
538 | ||
539 | private clearVideoViewInterval () { | |
540 | if (this.videoViewInterval !== undefined) { | |
541 | clearInterval(this.videoViewInterval) | |
542 | this.videoViewInterval = undefined | |
543 | } | |
544 | } | |
545 | ||
546 | private addViewToVideo () { | |
547 | if (!this.videoViewUrl) return Promise.resolve(undefined) | |
548 | ||
549 | return fetch(this.videoViewUrl, { method: 'POST' }) | |
550 | } | |
551 | ||
552 | private fallbackToHttp (done?: Function, play = true) { | |
553 | this.disableAutoResolution(true) | |
554 | ||
555 | this.flushVideoFile(this.currentVideoFile, true) | |
556 | this.torrent = null | |
557 | ||
558 | // Enable error display now this is our last fallback | |
559 | this.player.one('error', () => this.enableErrorDisplay()) | |
560 | ||
561 | const httpUrl = this.currentVideoFile.fileUrl | |
562 | this.player.src = this.savePlayerSrcFunction | |
563 | this.player.src(httpUrl) | |
564 | if (play) this.tryToPlay() | |
565 | ||
566 | if (done) return done() | |
567 | } | |
568 | ||
569 | private handleError (err: Error | string) { | |
570 | return this.player.trigger('customError', { err }) | |
571 | } | |
572 | ||
573 | private enableErrorDisplay () { | |
574 | this.player.addClass('vjs-error-display-enabled') | |
575 | } | |
576 | ||
577 | private disableErrorDisplay () { | |
578 | this.player.removeClass('vjs-error-display-enabled') | |
579 | } | |
580 | ||
581 | private isIOS () { | |
582 | return !!navigator.platform && /iPad|iPhone|iPod/.test(navigator.platform) | |
583 | } | |
584 | ||
585 | private alterInactivity () { | |
586 | let saveInactivityTimeout: number | |
587 | ||
588 | const disableInactivity = () => { | |
589 | saveInactivityTimeout = this.player.options_.inactivityTimeout | |
590 | this.player.options_.inactivityTimeout = 0 | |
591 | } | |
592 | const enableInactivity = () => { | |
593 | // this.player.options_.inactivityTimeout = saveInactivityTimeout | |
594 | } | |
595 | ||
596 | const settingsDialog = this.player.children_.find(c => c.name_ === 'SettingsDialog') | |
597 | ||
598 | this.player.controlBar.on('mouseenter', () => disableInactivity()) | |
599 | settingsDialog.on('mouseenter', () => disableInactivity()) | |
600 | this.player.controlBar.on('mouseleave', () => enableInactivity()) | |
601 | settingsDialog.on('mouseleave', () => enableInactivity()) | |
602 | } | |
603 | ||
604 | private pickAverageVideoFile () { | |
605 | if (this.videoFiles.length === 1) return this.videoFiles[0] | |
606 | ||
607 | return this.videoFiles[Math.floor(this.videoFiles.length / 2)] | |
608 | } | |
609 | ||
610 | private destroyFakeRenderer () { | |
611 | if (this.fakeRenderer) { | |
612 | if (this.fakeRenderer.destroy) { | |
613 | try { | |
614 | this.fakeRenderer.destroy() | |
615 | } catch (err) { | |
616 | console.log('Cannot destroy correctly fake renderer.', err) | |
617 | } | |
618 | } | |
619 | this.fakeRenderer = undefined | |
620 | } | |
621 | } | |
622 | ||
623 | private initCaptions () { | |
624 | for (const caption of this.videoCaptions) { | |
625 | this.player.addRemoteTextTrack({ | |
626 | kind: 'captions', | |
627 | label: caption.label, | |
628 | language: caption.language, | |
629 | id: caption.language, | |
630 | src: caption.src | |
631 | }, false) | |
632 | } | |
633 | } | |
634 | ||
635 | // Thanks: https://github.com/videojs/video.js/issues/4460#issuecomment-312861657 | |
636 | private initSmoothProgressBar () { | |
637 | const SeekBar = videojsUntyped.getComponent('SeekBar') | |
638 | SeekBar.prototype.getPercent = function getPercent () { | |
639 | // Allows for smooth scrubbing, when player can't keep up. | |
640 | // const time = (this.player_.scrubbing()) ? | |
641 | // this.player_.getCache().currentTime : | |
642 | // this.player_.currentTime() | |
643 | const time = this.player_.currentTime() | |
644 | const percent = time / this.player_.duration() | |
645 | return percent >= 1 ? 1 : percent | |
646 | } | |
647 | SeekBar.prototype.handleMouseMove = function handleMouseMove (event) { | |
648 | let newTime = this.calculateDistance(event) * this.player_.duration() | |
649 | if (newTime === this.player_.duration()) { | |
650 | newTime = newTime - 0.1 | |
651 | } | |
652 | this.player_.currentTime(newTime) | |
653 | this.update() | |
654 | } | |
655 | } | |
656 | } | |
657 | ||
658 | videojs.registerPlugin('peertube', PeerTubePlugin) | |
659 | export { PeerTubePlugin } |