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Commit | Line | Data |
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c199c427 C |
1 | // FIXME: something weird with our path definition in tsconfig and typings |
2 | // @ts-ignore | |
3 | import * as videojs from 'video.js' | |
4 | ||
aa8b6df4 | 5 | import * as WebTorrent from 'webtorrent' |
09209296 C |
6 | import { renderVideo } from './video-renderer' |
7 | import { LoadedQualityData, PlayerNetworkInfo, VideoJSComponentInterface, WebtorrentPluginOptions } from '../peertube-videojs-typings' | |
f0a39880 | 8 | import { getRtcConfig, timeToInt, videoFileMaxByResolution, videoFileMinByResolution } from '../utils' |
09209296 | 9 | import { PeertubeChunkStore } from './peertube-chunk-store' |
6cca7360 | 10 | import { |
7b3a99d5 | 11 | getAverageBandwidthInStore, |
6cca7360 | 12 | getStoredMute, |
7b3a99d5 | 13 | getStoredVolume, |
a73115f3 | 14 | getStoredWebTorrentEnabled, |
2adfc7ea | 15 | saveAverageBandwidth |
09209296 | 16 | } from '../peertube-player-local-storage' |
d7a25329 | 17 | import { VideoFile } from '@shared/models' |
be6a4802 | 18 | |
c199c427 C |
19 | const CacheChunkStore = require('cache-chunk-store') |
20 | ||
a73115f3 C |
21 | type PlayOptions = { |
22 | forcePlay?: boolean, | |
23 | seek?: number, | |
24 | delay?: number | |
25 | } | |
26 | ||
b7f1747d | 27 | const Plugin: VideoJSComponentInterface = videojs.getPlugin('plugin') |
2adfc7ea | 28 | class WebTorrentPlugin extends Plugin { |
c6352f2c | 29 | private readonly playerElement: HTMLVideoElement |
a8462c8e | 30 | |
c6352f2c | 31 | private readonly autoplay: boolean = false |
f37bad63 | 32 | private readonly startTime: number = 0 |
c6352f2c | 33 | private readonly savePlayerSrcFunction: Function |
a8462c8e | 34 | private readonly videoFiles: VideoFile[] |
a8462c8e C |
35 | private readonly videoDuration: number |
36 | private readonly CONSTANTS = { | |
37 | INFO_SCHEDULER: 1000, // Don't change this | |
38 | AUTO_QUALITY_SCHEDULER: 3000, // Check quality every 3 seconds | |
39 | AUTO_QUALITY_THRESHOLD_PERCENT: 30, // Bandwidth should be 30% more important than a resolution bitrate to change to it | |
7ee4a4af C |
40 | AUTO_QUALITY_OBSERVATION_TIME: 10000, // Wait 10 seconds after having change the resolution before another check |
41 | AUTO_QUALITY_HIGHER_RESOLUTION_DELAY: 5000, // Buffering higher resolution during 5 seconds | |
2adfc7ea | 42 | BANDWIDTH_AVERAGE_NUMBER_OF_VALUES: 5 // Last 5 seconds to build average bandwidth |
a8462c8e C |
43 | } |
44 | ||
b7f1747d C |
45 | private readonly webtorrent = new WebTorrent({ |
46 | tracker: { | |
09209296 | 47 | rtcConfig: getRtcConfig() |
b7f1747d C |
48 | }, |
49 | dht: false | |
50 | }) | |
51 | ||
a22bfc3e C |
52 | private player: any |
53 | private currentVideoFile: VideoFile | |
c199c427 | 54 | private torrent: WebTorrent.Torrent |
287918da | 55 | |
244b4ae3 B |
56 | private renderer: any |
57 | private fakeRenderer: any | |
3b019808 | 58 | private destroyingFakeRenderer = false |
287918da | 59 | |
7ee4a4af | 60 | private autoResolution = true |
2adfc7ea | 61 | private autoResolutionPossible = true |
7ee4a4af | 62 | private isAutoResolutionObservation = false |
64cc5e85 | 63 | private playerRefusedP2P = false |
7ee4a4af | 64 | |
244b4ae3 B |
65 | private torrentInfoInterval: any |
66 | private autoQualityInterval: any | |
244b4ae3 B |
67 | private addTorrentDelay: any |
68 | private qualityObservationTimer: any | |
69 | private runAutoQualitySchedulerTimer: any | |
a8462c8e C |
70 | |
71 | private downloadSpeeds: number[] = [] | |
a22bfc3e | 72 | |
2adfc7ea | 73 | constructor (player: videojs.Player, options: WebtorrentPluginOptions) { |
a22bfc3e C |
74 | super(player, options) |
75 | ||
f0a39880 C |
76 | this.startTime = timeToInt(options.startTime) |
77 | ||
e7eb5b39 C |
78 | // Disable auto play on iOS |
79 | this.autoplay = options.autoplay && this.isIOS() === false | |
ed638e53 | 80 | this.playerRefusedP2P = !getStoredWebTorrentEnabled() |
481d3596 | 81 | |
a22bfc3e | 82 | this.videoFiles = options.videoFiles |
3bcfff7f | 83 | this.videoDuration = options.videoDuration |
a22bfc3e | 84 | |
bf5685f0 | 85 | this.savePlayerSrcFunction = this.player.src |
a22bfc3e C |
86 | this.playerElement = options.playerElement |
87 | ||
88 | this.player.ready(() => { | |
3b019808 C |
89 | const playerOptions = this.player.options_ |
90 | ||
c6352f2c C |
91 | const volume = getStoredVolume() |
92 | if (volume !== undefined) this.player.volume(volume) | |
3b019808 C |
93 | |
94 | const muted = playerOptions.muted !== undefined ? playerOptions.muted : getStoredMute() | |
c6352f2c C |
95 | if (muted !== undefined) this.player.muted(muted) |
96 | ||
fe05c3ac C |
97 | this.player.duration(options.videoDuration) |
98 | ||
0dcf9a14 | 99 | this.initializePlayer() |
a22bfc3e | 100 | this.runTorrentInfoScheduler() |
6e46de09 | 101 | |
a8462c8e | 102 | this.player.one('play', () => { |
f37bad63 | 103 | // Don't run immediately scheduler, wait some seconds the TCP connections are made |
b335ccec | 104 | this.runAutoQualitySchedulerTimer = setTimeout(() => this.runAutoQualityScheduler(), this.CONSTANTS.AUTO_QUALITY_SCHEDULER) |
a8462c8e | 105 | }) |
a22bfc3e C |
106 | }) |
107 | } | |
108 | ||
109 | dispose () { | |
7ee4a4af C |
110 | clearTimeout(this.addTorrentDelay) |
111 | clearTimeout(this.qualityObservationTimer) | |
112 | clearTimeout(this.runAutoQualitySchedulerTimer) | |
113 | ||
3bcfff7f | 114 | clearInterval(this.torrentInfoInterval) |
a8462c8e | 115 | clearInterval(this.autoQualityInterval) |
3bcfff7f | 116 | |
a22bfc3e C |
117 | // Don't need to destroy renderer, video player will be destroyed |
118 | this.flushVideoFile(this.currentVideoFile, false) | |
054a103b C |
119 | |
120 | this.destroyFakeRenderer() | |
aa8b6df4 C |
121 | } |
122 | ||
09700934 C |
123 | getCurrentResolutionId () { |
124 | return this.currentVideoFile ? this.currentVideoFile.resolution.id : -1 | |
aa8b6df4 C |
125 | } |
126 | ||
3baf9be2 C |
127 | updateVideoFile ( |
128 | videoFile?: VideoFile, | |
129 | options: { | |
130 | forcePlay?: boolean, | |
131 | seek?: number, | |
132 | delay?: number | |
133 | } = {}, | |
134 | done: () => void = () => { /* empty */ } | |
135 | ) { | |
a8462c8e | 136 | // Automatically choose the adapted video file |
aa8b6df4 | 137 | if (videoFile === undefined) { |
7b3a99d5 | 138 | const savedAverageBandwidth = getAverageBandwidthInStore() |
a8462c8e C |
139 | videoFile = savedAverageBandwidth |
140 | ? this.getAppropriateFile(savedAverageBandwidth) | |
8eb8bc20 | 141 | : this.pickAverageVideoFile() |
aa8b6df4 C |
142 | } |
143 | ||
144 | // Don't add the same video file once again | |
a22bfc3e | 145 | if (this.currentVideoFile !== undefined && this.currentVideoFile.magnetUri === videoFile.magnetUri) { |
aa8b6df4 C |
146 | return |
147 | } | |
148 | ||
c6352f2c | 149 | // Do not display error to user because we will have multiple fallback |
bf5685f0 | 150 | this.disableErrorDisplay() |
1198a08c | 151 | |
b335ccec C |
152 | // Hack to "simulate" src link in video.js >= 6 |
153 | // Without this, we can't play the video after pausing it | |
154 | // https://github.com/videojs/video.js/blob/master/src/js/player.js#L1633 | |
bf5685f0 | 155 | this.player.src = () => true |
c6352f2c | 156 | const oldPlaybackRate = this.player.playbackRate() |
bf5685f0 | 157 | |
a22bfc3e C |
158 | const previousVideoFile = this.currentVideoFile |
159 | this.currentVideoFile = videoFile | |
aa8b6df4 | 160 | |
a73115f3 C |
161 | // Don't try on iOS that does not support MediaSource |
162 | // Or don't use P2P if webtorrent is disabled | |
163 | if (this.isIOS() || this.playerRefusedP2P) { | |
164 | return this.fallbackToHttp(options, () => { | |
165 | this.player.playbackRate(oldPlaybackRate) | |
166 | return done() | |
167 | }) | |
168 | } | |
169 | ||
3baf9be2 | 170 | this.addTorrent(this.currentVideoFile.magnetUri, previousVideoFile, options, () => { |
c6352f2c C |
171 | this.player.playbackRate(oldPlaybackRate) |
172 | return done() | |
173 | }) | |
a216c623 | 174 | |
2adfc7ea | 175 | this.changeQuality() |
3b6f205c | 176 | this.trigger('resolutionChange', { auto: this.autoResolution, resolutionId: this.currentVideoFile.resolution.id }) |
a216c623 C |
177 | } |
178 | ||
b335ccec C |
179 | updateResolution (resolutionId: number, delay = 0) { |
180 | // Remember player state | |
181 | const currentTime = this.player.currentTime() | |
182 | const isPaused = this.player.paused() | |
183 | ||
184 | // Remove poster to have black background | |
185 | this.playerElement.poster = '' | |
186 | ||
187 | // Hide bigPlayButton | |
188 | if (!isPaused) { | |
189 | this.player.bigPlayButton.hide() | |
190 | } | |
191 | ||
192 | const newVideoFile = this.videoFiles.find(f => f.resolution.id === resolutionId) | |
193 | const options = { | |
194 | forcePlay: false, | |
195 | delay, | |
196 | seek: currentTime + (delay / 1000) | |
197 | } | |
198 | this.updateVideoFile(newVideoFile, options) | |
199 | } | |
200 | ||
201 | flushVideoFile (videoFile: VideoFile, destroyRenderer = true) { | |
202 | if (videoFile !== undefined && this.webtorrent.get(videoFile.magnetUri)) { | |
203 | if (destroyRenderer === true && this.renderer && this.renderer.destroy) this.renderer.destroy() | |
204 | ||
205 | this.webtorrent.remove(videoFile.magnetUri) | |
206 | console.log('Removed ' + videoFile.magnetUri) | |
207 | } | |
208 | } | |
209 | ||
b335ccec C |
210 | enableAutoResolution () { |
211 | this.autoResolution = true | |
3b6f205c | 212 | this.trigger('resolutionChange', { auto: this.autoResolution, resolutionId: this.getCurrentResolutionId() }) |
b335ccec C |
213 | } |
214 | ||
215 | disableAutoResolution (forbid = false) { | |
2adfc7ea | 216 | if (forbid === true) this.autoResolutionPossible = false |
b335ccec C |
217 | |
218 | this.autoResolution = false | |
3b6f205c C |
219 | this.trigger('autoResolutionChange', { possible: this.autoResolutionPossible }) |
220 | this.trigger('resolutionChange', { auto: this.autoResolution, resolutionId: this.getCurrentResolutionId() }) | |
b335ccec C |
221 | } |
222 | ||
223 | getTorrent () { | |
224 | return this.torrent | |
225 | } | |
226 | ||
227 | private addTorrent ( | |
3baf9be2 C |
228 | magnetOrTorrentUrl: string, |
229 | previousVideoFile: VideoFile, | |
a73115f3 | 230 | options: PlayOptions, |
3baf9be2 C |
231 | done: Function |
232 | ) { | |
a216c623 C |
233 | console.log('Adding ' + magnetOrTorrentUrl + '.') |
234 | ||
a8462c8e | 235 | const oldTorrent = this.torrent |
3baf9be2 | 236 | const torrentOptions = { |
85394ba2 C |
237 | // Don't use arrow function: it breaks webtorrent (that uses `new` keyword) |
238 | store: function (chunkLength: number, storeOpts: any) { | |
239 | return new CacheChunkStore(new PeertubeChunkStore(chunkLength, storeOpts), { | |
240 | max: 100 | |
241 | }) | |
242 | } | |
efda99c3 C |
243 | } |
244 | ||
b7f1747d | 245 | this.torrent = this.webtorrent.add(magnetOrTorrentUrl, torrentOptions, torrent => { |
a216c623 | 246 | console.log('Added ' + magnetOrTorrentUrl + '.') |
aa8b6df4 | 247 | |
a8462c8e | 248 | if (oldTorrent) { |
4a7591e1 | 249 | // Pause the old torrent |
b335ccec | 250 | this.stopTorrent(oldTorrent) |
6d272f39 C |
251 | |
252 | // We use a fake renderer so we download correct pieces of the next file | |
b335ccec | 253 | if (options.delay) this.renderFileInFakeElement(torrent.files[ 0 ], options.delay) |
a8462c8e | 254 | } |
aa8b6df4 | 255 | |
e7eb5b39 | 256 | // Render the video in a few seconds? (on resolution change for example, we wait some seconds of the new video resolution) |
7ee4a4af | 257 | this.addTorrentDelay = setTimeout(() => { |
b335ccec | 258 | // We don't need the fake renderer anymore |
054a103b | 259 | this.destroyFakeRenderer() |
6d272f39 | 260 | |
3baf9be2 C |
261 | const paused = this.player.paused() |
262 | ||
a8462c8e | 263 | this.flushVideoFile(previousVideoFile) |
0dcf9a14 | 264 | |
fe05c3ac C |
265 | // Update progress bar (just for the UI), do not wait rendering |
266 | if (options.seek) this.player.currentTime(options.seek) | |
267 | ||
3baf9be2 | 268 | const renderVideoOptions = { autoplay: false, controls: true } |
b335ccec | 269 | renderVideo(torrent.files[ 0 ], this.playerElement, renderVideoOptions, (err, renderer) => { |
a8462c8e | 270 | this.renderer = renderer |
aa8b6df4 | 271 | |
a73115f3 | 272 | if (err) return this.fallbackToHttp(options, done) |
3bcfff7f | 273 | |
c199c427 | 274 | return this.tryToPlay(err => { |
3baf9be2 | 275 | if (err) return done(err) |
a8462c8e | 276 | |
3baf9be2 C |
277 | if (options.seek) this.seek(options.seek) |
278 | if (options.forcePlay === false && paused === true) this.player.pause() | |
8244e187 | 279 | |
a73115f3 | 280 | return done() |
3baf9be2 | 281 | }) |
a8462c8e | 282 | }) |
3baf9be2 | 283 | }, options.delay || 0) |
aa8b6df4 C |
284 | }) |
285 | ||
244b4ae3 | 286 | this.torrent.on('error', (err: any) => console.error(err)) |
a216c623 | 287 | |
a22bfc3e | 288 | this.torrent.on('warning', (err: any) => { |
a96aed15 | 289 | // We don't support HTTP tracker but we don't care -> we use the web socket tracker |
531ab5b6 | 290 | if (err.message.indexOf('Unsupported tracker protocol') !== -1) return |
a216c623 | 291 | |
7dbdc3ba C |
292 | // Users don't care about issues with WebRTC, but developers do so log it in the console |
293 | if (err.message.indexOf('Ice connection failed') !== -1) { | |
332e7032 | 294 | console.log(err) |
7dbdc3ba C |
295 | return |
296 | } | |
a96aed15 | 297 | |
a216c623 C |
298 | // Magnet hash is not up to date with the torrent file, add directly the torrent file |
299 | if (err.message.indexOf('incorrect info hash') !== -1) { | |
300 | console.error('Incorrect info hash detected, falling back to torrent file.') | |
1f6824c9 | 301 | const newOptions = { forcePlay: true, seek: options.seek } |
b335ccec | 302 | return this.addTorrent(this.torrent[ 'xs' ], previousVideoFile, newOptions, done) |
a216c623 C |
303 | } |
304 | ||
6d88de72 | 305 | // Remote instance is down |
0f7fedc3 | 306 | if (err.message.indexOf('from xs param') !== -1) { |
6d88de72 C |
307 | this.handleError(err) |
308 | } | |
309 | ||
310 | console.warn(err) | |
a96aed15 | 311 | }) |
aa8b6df4 C |
312 | } |
313 | ||
c199c427 | 314 | private tryToPlay (done?: (err?: Error) => void) { |
80109b2d | 315 | if (!done) done = function () { /* empty */ } |
1fad099d | 316 | |
80109b2d C |
317 | const playPromise = this.player.play() |
318 | if (playPromise !== undefined) { | |
319 | return playPromise.then(done) | |
244b4ae3 | 320 | .catch((err: Error) => { |
70b40c2e C |
321 | if (err.message.indexOf('The play() request was interrupted by a call to pause()') !== -1) { |
322 | return | |
323 | } | |
324 | ||
80109b2d C |
325 | console.error(err) |
326 | this.player.pause() | |
327 | this.player.posterImage.show() | |
328 | this.player.removeClass('vjs-has-autoplay') | |
91d95589 | 329 | this.player.removeClass('vjs-has-big-play-button-clicked') |
80109b2d C |
330 | |
331 | return done() | |
332 | }) | |
333 | } | |
334 | ||
335 | return done() | |
336 | } | |
337 | ||
f37bad63 C |
338 | private seek (time: number) { |
339 | this.player.currentTime(time) | |
340 | this.player.handleTechSeeked_() | |
341 | } | |
342 | ||
a8462c8e C |
343 | private getAppropriateFile (averageDownloadSpeed?: number): VideoFile { |
344 | if (this.videoFiles === undefined || this.videoFiles.length === 0) return undefined | |
345 | if (this.videoFiles.length === 1) return this.videoFiles[0] | |
a8462c8e | 346 | |
3c40590d C |
347 | // Don't change the torrent is the play was ended |
348 | if (this.torrent && this.torrent.progress === 1 && this.player.ended()) return this.currentVideoFile | |
349 | ||
350 | if (!averageDownloadSpeed) averageDownloadSpeed = this.getAndSaveActualDownloadSpeed() | |
a8462c8e | 351 | |
0b755f3b | 352 | // Limit resolution according to player height |
c4710631 | 353 | const playerHeight = this.playerElement.offsetHeight |
0b755f3b C |
354 | |
355 | // We take the first resolution just above the player height | |
356 | // Example: player height is 530px, we want the 720p file instead of 480p | |
357 | let maxResolution = this.videoFiles[0].resolution.id | |
358 | for (let i = this.videoFiles.length - 1; i >= 0; i--) { | |
359 | const resolutionId = this.videoFiles[i].resolution.id | |
360 | if (resolutionId >= playerHeight) { | |
361 | maxResolution = resolutionId | |
362 | break | |
a8462c8e | 363 | } |
0b755f3b | 364 | } |
a8462c8e | 365 | |
0b755f3b C |
366 | // Filter videos we can play according to our screen resolution and bandwidth |
367 | const filteredFiles = this.videoFiles | |
368 | .filter(f => f.resolution.id <= maxResolution) | |
369 | .filter(f => { | |
370 | const fileBitrate = (f.size / this.videoDuration) | |
371 | let threshold = fileBitrate | |
372 | ||
373 | // If this is for a higher resolution or an initial load: add a margin | |
374 | if (!this.currentVideoFile || f.resolution.id > this.currentVideoFile.resolution.id) { | |
375 | threshold += ((fileBitrate * this.CONSTANTS.AUTO_QUALITY_THRESHOLD_PERCENT) / 100) | |
376 | } | |
377 | ||
378 | return averageDownloadSpeed > threshold | |
379 | }) | |
a8462c8e C |
380 | |
381 | // If the download speed is too bad, return the lowest resolution we have | |
6cca7360 | 382 | if (filteredFiles.length === 0) return videoFileMinByResolution(this.videoFiles) |
a8462c8e | 383 | |
6cca7360 | 384 | return videoFileMaxByResolution(filteredFiles) |
a8462c8e C |
385 | } |
386 | ||
3c40590d | 387 | private getAndSaveActualDownloadSpeed () { |
a8462c8e C |
388 | const start = Math.max(this.downloadSpeeds.length - this.CONSTANTS.BANDWIDTH_AVERAGE_NUMBER_OF_VALUES, 0) |
389 | const lastDownloadSpeeds = this.downloadSpeeds.slice(start, this.downloadSpeeds.length) | |
390 | if (lastDownloadSpeeds.length === 0) return -1 | |
391 | ||
392 | const sum = lastDownloadSpeeds.reduce((a, b) => a + b) | |
393 | const averageBandwidth = Math.round(sum / lastDownloadSpeeds.length) | |
394 | ||
395 | // Save the average bandwidth for future use | |
396 | saveAverageBandwidth(averageBandwidth) | |
ed9f9f5f | 397 | |
a8462c8e | 398 | return averageBandwidth |
ed9f9f5f C |
399 | } |
400 | ||
0dcf9a14 | 401 | private initializePlayer () { |
2adfc7ea | 402 | this.buildQualities() |
c6352f2c | 403 | |
481d3596 | 404 | if (this.autoplay === true) { |
33d78552 | 405 | this.player.posterImage.hide() |
e6f62797 | 406 | |
b335ccec C |
407 | return this.updateVideoFile(undefined, { forcePlay: true, seek: this.startTime }) |
408 | } | |
e7eb5b39 | 409 | |
b335ccec C |
410 | // Proxy first play |
411 | const oldPlay = this.player.play.bind(this.player) | |
412 | this.player.play = () => { | |
413 | this.player.addClass('vjs-has-big-play-button-clicked') | |
414 | this.player.play = oldPlay | |
415 | ||
416 | this.updateVideoFile(undefined, { forcePlay: true, seek: this.startTime }) | |
aa8b6df4 | 417 | } |
a22bfc3e | 418 | } |
aa8b6df4 | 419 | |
a8462c8e C |
420 | private runAutoQualityScheduler () { |
421 | this.autoQualityInterval = setInterval(() => { | |
7ee4a4af | 422 | |
877b0528 C |
423 | // Not initialized or in HTTP fallback |
424 | if (this.torrent === undefined || this.torrent === null) return | |
2adfc7ea | 425 | if (this.autoResolution === false) return |
a8462c8e C |
426 | if (this.isAutoResolutionObservation === true) return |
427 | ||
428 | const file = this.getAppropriateFile() | |
429 | let changeResolution = false | |
430 | let changeResolutionDelay = 0 | |
431 | ||
432 | // Lower resolution | |
433 | if (this.isPlayerWaiting() && file.resolution.id < this.currentVideoFile.resolution.id) { | |
434 | console.log('Downgrading automatically the resolution to: %s', file.resolution.label) | |
435 | changeResolution = true | |
7ee4a4af | 436 | } else if (file.resolution.id > this.currentVideoFile.resolution.id) { // Higher resolution |
a8462c8e C |
437 | console.log('Upgrading automatically the resolution to: %s', file.resolution.label) |
438 | changeResolution = true | |
7ee4a4af | 439 | changeResolutionDelay = this.CONSTANTS.AUTO_QUALITY_HIGHER_RESOLUTION_DELAY |
a8462c8e C |
440 | } |
441 | ||
442 | if (changeResolution === true) { | |
443 | this.updateResolution(file.resolution.id, changeResolutionDelay) | |
444 | ||
445 | // Wait some seconds in observation of our new resolution | |
446 | this.isAutoResolutionObservation = true | |
7ee4a4af C |
447 | |
448 | this.qualityObservationTimer = setTimeout(() => { | |
449 | this.isAutoResolutionObservation = false | |
450 | }, this.CONSTANTS.AUTO_QUALITY_OBSERVATION_TIME) | |
a8462c8e C |
451 | } |
452 | }, this.CONSTANTS.AUTO_QUALITY_SCHEDULER) | |
453 | } | |
454 | ||
455 | private isPlayerWaiting () { | |
7ee4a4af | 456 | return this.player && this.player.hasClass('vjs-waiting') |
a8462c8e C |
457 | } |
458 | ||
a22bfc3e | 459 | private runTorrentInfoScheduler () { |
3bcfff7f | 460 | this.torrentInfoInterval = setInterval(() => { |
bf5685f0 C |
461 | // Not initialized yet |
462 | if (this.torrent === undefined) return | |
463 | ||
464 | // Http fallback | |
2adfc7ea | 465 | if (this.torrent === null) return this.player.trigger('p2pInfo', false) |
bf5685f0 | 466 | |
b7f1747d C |
467 | // this.webtorrent.downloadSpeed because we need to take into account the potential old torrent too |
468 | if (this.webtorrent.downloadSpeed !== 0) this.downloadSpeeds.push(this.webtorrent.downloadSpeed) | |
a8462c8e | 469 | |
2adfc7ea | 470 | return this.player.trigger('p2pInfo', { |
09209296 C |
471 | http: { |
472 | downloadSpeed: 0, | |
473 | uploadSpeed: 0, | |
474 | downloaded: 0, | |
475 | uploaded: 0 | |
476 | }, | |
3b6f205c C |
477 | p2p: { |
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 | } as PlayerNetworkInfo) | |
a8462c8e | 485 | }, this.CONSTANTS.INFO_SCHEDULER) |
a22bfc3e | 486 | } |
aa8b6df4 | 487 | |
a73115f3 C |
488 | private fallbackToHttp (options: PlayOptions, done?: Function) { |
489 | const paused = this.player.paused() | |
490 | ||
c4082b8b C |
491 | this.disableAutoResolution(true) |
492 | ||
bf5685f0 C |
493 | this.flushVideoFile(this.currentVideoFile, true) |
494 | this.torrent = null | |
495 | ||
496 | // Enable error display now this is our last fallback | |
497 | this.player.one('error', () => this.enableErrorDisplay()) | |
498 | ||
499 | const httpUrl = this.currentVideoFile.fileUrl | |
500 | this.player.src = this.savePlayerSrcFunction | |
501 | this.player.src(httpUrl) | |
c6352f2c | 502 | |
2adfc7ea C |
503 | this.changeQuality() |
504 | ||
c32bf839 | 505 | // We changed the source, so reinit captions |
2adfc7ea | 506 | this.player.trigger('sourcechange') |
c32bf839 | 507 | |
a73115f3 C |
508 | return this.tryToPlay(err => { |
509 | if (err && done) return done(err) | |
510 | ||
511 | if (options.seek) this.seek(options.seek) | |
512 | if (options.forcePlay === false && paused === true) this.player.pause() | |
513 | ||
514 | if (done) return done() | |
515 | }) | |
bf5685f0 C |
516 | } |
517 | ||
a22bfc3e C |
518 | private handleError (err: Error | string) { |
519 | return this.player.trigger('customError', { err }) | |
aa8b6df4 | 520 | } |
bf5685f0 C |
521 | |
522 | private enableErrorDisplay () { | |
523 | this.player.addClass('vjs-error-display-enabled') | |
524 | } | |
525 | ||
526 | private disableErrorDisplay () { | |
527 | this.player.removeClass('vjs-error-display-enabled') | |
528 | } | |
e993ecb3 | 529 | |
e7eb5b39 C |
530 | private isIOS () { |
531 | return !!navigator.platform && /iPad|iPhone|iPod/.test(navigator.platform) | |
532 | } | |
533 | ||
8eb8bc20 C |
534 | private pickAverageVideoFile () { |
535 | if (this.videoFiles.length === 1) return this.videoFiles[0] | |
536 | ||
537 | return this.videoFiles[Math.floor(this.videoFiles.length / 2)] | |
538 | } | |
539 | ||
c199c427 | 540 | private stopTorrent (torrent: WebTorrent.Torrent) { |
b335ccec C |
541 | torrent.pause() |
542 | // Pause does not remove actual peers (in particular the webseed peer) | |
543 | torrent.removePeer(torrent[ 'ws' ]) | |
544 | } | |
545 | ||
546 | private renderFileInFakeElement (file: WebTorrent.TorrentFile, delay: number) { | |
3b019808 | 547 | this.destroyingFakeRenderer = false |
287918da | 548 | |
b335ccec C |
549 | const fakeVideoElem = document.createElement('video') |
550 | renderVideo(file, fakeVideoElem, { autoplay: false, controls: false }, (err, renderer) => { | |
551 | this.fakeRenderer = renderer | |
552 | ||
287918da | 553 | // The renderer returns an error when we destroy it, so skip them |
3b019808 | 554 | if (this.destroyingFakeRenderer === false && err) { |
287918da C |
555 | console.error('Cannot render new torrent in fake video element.', err) |
556 | } | |
b335ccec C |
557 | |
558 | // Load the future file at the correct time (in delay MS - 2 seconds) | |
559 | fakeVideoElem.currentTime = this.player.currentTime() + (delay - 2000) | |
560 | }) | |
561 | } | |
562 | ||
054a103b C |
563 | private destroyFakeRenderer () { |
564 | if (this.fakeRenderer) { | |
3b019808 | 565 | this.destroyingFakeRenderer = true |
287918da | 566 | |
054a103b C |
567 | if (this.fakeRenderer.destroy) { |
568 | try { | |
569 | this.fakeRenderer.destroy() | |
570 | } catch (err) { | |
571 | console.log('Cannot destroy correctly fake renderer.', err) | |
572 | } | |
573 | } | |
574 | this.fakeRenderer = undefined | |
575 | } | |
576 | } | |
577 | ||
2adfc7ea C |
578 | private buildQualities () { |
579 | const qualityLevelsPayload = [] | |
580 | ||
581 | for (const file of this.videoFiles) { | |
582 | const representation = { | |
583 | id: file.resolution.id, | |
584 | label: this.buildQualityLabel(file), | |
585 | height: file.resolution.id, | |
586 | _enabled: true | |
587 | } | |
588 | ||
589 | this.player.qualityLevels().addQualityLevel(representation) | |
590 | ||
591 | qualityLevelsPayload.push({ | |
592 | id: representation.id, | |
593 | label: representation.label, | |
594 | selected: false | |
595 | }) | |
16f7022b | 596 | } |
c32bf839 | 597 | |
2adfc7ea C |
598 | const payload: LoadedQualityData = { |
599 | qualitySwitchCallback: (d: any) => this.qualitySwitchCallback(d), | |
600 | qualityData: { | |
601 | video: qualityLevelsPayload | |
602 | } | |
603 | } | |
3b6f205c | 604 | this.player.tech_.trigger('loadedqualitydata', payload) |
16f7022b C |
605 | } |
606 | ||
2adfc7ea C |
607 | private buildQualityLabel (file: VideoFile) { |
608 | let label = file.resolution.label | |
609 | ||
610 | if (file.fps && file.fps >= 50) { | |
611 | label += file.fps | |
e993ecb3 | 612 | } |
2adfc7ea C |
613 | |
614 | return label | |
615 | } | |
616 | ||
617 | private qualitySwitchCallback (id: number) { | |
618 | if (id === -1) { | |
619 | if (this.autoResolutionPossible === true) this.enableAutoResolution() | |
620 | return | |
621 | } | |
622 | ||
623 | this.disableAutoResolution() | |
624 | this.updateResolution(id) | |
625 | } | |
626 | ||
627 | private changeQuality () { | |
628 | const resolutionId = this.currentVideoFile.resolution.id | |
629 | const qualityLevels = this.player.qualityLevels() | |
630 | ||
631 | if (resolutionId === -1) { | |
632 | qualityLevels.selectedIndex = -1 | |
633 | return | |
634 | } | |
635 | ||
636 | for (let i = 0; i < qualityLevels; i++) { | |
637 | const q = this.player.qualityLevels[i] | |
638 | if (q.height === resolutionId) qualityLevels.selectedIndex = i | |
e993ecb3 C |
639 | } |
640 | } | |
aa8b6df4 | 641 | } |
c6352f2c | 642 | |
2adfc7ea C |
643 | videojs.registerPlugin('webtorrent', WebTorrentPlugin) |
644 | export { WebTorrentPlugin } |