]>
Commit | Line | Data |
---|---|---|
1 | // Thanks https://github.com/streamroot/videojs-hlsjs-plugin | |
2 | // We duplicated this plugin to choose the hls.js version we want, because streamroot only provide a bundled file | |
3 | ||
4 | import * as Hlsjs from 'hls.js/dist/hls.light.js' | |
5 | import videojs from 'video.js' | |
6 | import { HlsjsConfigHandlerOptions, QualityLevelRepresentation, QualityLevels, VideoJSTechHLS } from '../peertube-videojs-typings' | |
7 | ||
8 | type ErrorCounts = { | |
9 | [ type: string ]: number | |
10 | } | |
11 | ||
12 | type Metadata = { | |
13 | levels: Hlsjs.Level[] | |
14 | } | |
15 | ||
16 | type CustomAudioTrack = AudioTrack & { name?: string, lang?: string } | |
17 | ||
18 | const registerSourceHandler = function (vjs: typeof videojs) { | |
19 | if (!Hlsjs.isSupported()) { | |
20 | console.warn('Hls.js is not supported in this browser!') | |
21 | return | |
22 | } | |
23 | ||
24 | const html5 = vjs.getTech('Html5') | |
25 | ||
26 | if (!html5) { | |
27 | console.error('Not supported version if video.js') | |
28 | return | |
29 | } | |
30 | ||
31 | // FIXME: typings | |
32 | (html5 as any).registerSourceHandler({ | |
33 | canHandleSource: function (source: videojs.Tech.SourceObject) { | |
34 | const hlsTypeRE = /^application\/x-mpegURL|application\/vnd\.apple\.mpegurl$/i | |
35 | const hlsExtRE = /\.m3u8/i | |
36 | ||
37 | if (hlsTypeRE.test(source.type)) return 'probably' | |
38 | if (hlsExtRE.test(source.src)) return 'maybe' | |
39 | ||
40 | return '' | |
41 | }, | |
42 | ||
43 | handleSource: function (source: videojs.Tech.SourceObject, tech: VideoJSTechHLS) { | |
44 | if (tech.hlsProvider) { | |
45 | tech.hlsProvider.dispose() | |
46 | } | |
47 | ||
48 | tech.hlsProvider = new Html5Hlsjs(vjs, source, tech) | |
49 | ||
50 | return tech.hlsProvider | |
51 | } | |
52 | }, 0); | |
53 | ||
54 | // FIXME: typings | |
55 | (vjs as any).Html5Hlsjs = Html5Hlsjs | |
56 | } | |
57 | ||
58 | function hlsjsConfigHandler (this: videojs.Player, options: HlsjsConfigHandlerOptions) { | |
59 | const player = this | |
60 | ||
61 | if (!options) return | |
62 | ||
63 | if (!player.srOptions_) { | |
64 | player.srOptions_ = {} | |
65 | } | |
66 | ||
67 | if (!player.srOptions_.hlsjsConfig) { | |
68 | player.srOptions_.hlsjsConfig = options.hlsjsConfig | |
69 | } | |
70 | ||
71 | if (!player.srOptions_.captionConfig) { | |
72 | player.srOptions_.captionConfig = options.captionConfig | |
73 | } | |
74 | ||
75 | if (options.levelLabelHandler && !player.srOptions_.levelLabelHandler) { | |
76 | player.srOptions_.levelLabelHandler = options.levelLabelHandler | |
77 | } | |
78 | } | |
79 | ||
80 | const registerConfigPlugin = function (vjs: typeof videojs) { | |
81 | // Used in Brightcove since we don't pass options directly there | |
82 | const registerVjsPlugin = vjs.registerPlugin || vjs.plugin | |
83 | registerVjsPlugin('hlsjs', hlsjsConfigHandler) | |
84 | } | |
85 | ||
86 | class Html5Hlsjs { | |
87 | private static readonly hooks: { [id: string]: Function[] } = {} | |
88 | ||
89 | private readonly videoElement: HTMLVideoElement | |
90 | private readonly errorCounts: ErrorCounts = {} | |
91 | private readonly player: videojs.Player | |
92 | private readonly tech: videojs.Tech | |
93 | private readonly source: videojs.Tech.SourceObject | |
94 | private readonly vjs: typeof videojs | |
95 | ||
96 | private hls: Hlsjs & { manualLevel?: number, audioTrack?: any, audioTracks?: CustomAudioTrack[] } // FIXME: typings | |
97 | private hlsjsConfig: Partial<Hlsjs.Config & { cueHandler: any }> = null | |
98 | ||
99 | private _duration: number = null | |
100 | private metadata: Metadata = null | |
101 | private isLive: boolean = null | |
102 | private dvrDuration: number = null | |
103 | private edgeMargin: number = null | |
104 | ||
105 | private handlers: { [ id in 'play' | 'addtrack' | 'playing' | 'textTracksChange' | 'audioTracksChange' ]: EventListener } = { | |
106 | play: null, | |
107 | addtrack: null, | |
108 | playing: null, | |
109 | textTracksChange: null, | |
110 | audioTracksChange: null | |
111 | } | |
112 | ||
113 | private uiTextTrackHandled = false | |
114 | ||
115 | constructor (vjs: typeof videojs, source: videojs.Tech.SourceObject, tech: videojs.Tech) { | |
116 | this.vjs = vjs | |
117 | this.source = source | |
118 | ||
119 | this.tech = tech; | |
120 | (this.tech as any).name_ = 'Hlsjs' | |
121 | ||
122 | this.videoElement = tech.el() as HTMLVideoElement | |
123 | this.player = vjs((tech.options_ as any).playerId) | |
124 | ||
125 | this.videoElement.addEventListener('error', event => { | |
126 | let errorTxt: string | |
127 | const mediaError = (event.currentTarget as HTMLVideoElement).error | |
128 | ||
129 | switch (mediaError.code) { | |
130 | case mediaError.MEDIA_ERR_ABORTED: | |
131 | errorTxt = 'You aborted the video playback' | |
132 | break | |
133 | case mediaError.MEDIA_ERR_DECODE: | |
134 | errorTxt = 'The video playback was aborted due to a corruption problem or because the video used features your browser did not support' | |
135 | this._handleMediaError(mediaError) | |
136 | break | |
137 | case mediaError.MEDIA_ERR_NETWORK: | |
138 | errorTxt = 'A network error caused the video download to fail part-way' | |
139 | break | |
140 | case mediaError.MEDIA_ERR_SRC_NOT_SUPPORTED: | |
141 | errorTxt = 'The video could not be loaded, either because the server or network failed or because the format is not supported' | |
142 | break | |
143 | ||
144 | default: | |
145 | errorTxt = mediaError.message | |
146 | } | |
147 | ||
148 | console.error('MEDIA_ERROR: ', errorTxt) | |
149 | }) | |
150 | ||
151 | this.initialize() | |
152 | } | |
153 | ||
154 | duration () { | |
155 | return this._duration || this.videoElement.duration || 0 | |
156 | } | |
157 | ||
158 | seekable () { | |
159 | if (this.hls.media) { | |
160 | if (!this.isLive) { | |
161 | return this.vjs.createTimeRanges(0, this.hls.media.duration) | |
162 | } | |
163 | ||
164 | // Video.js doesn't seem to like floating point timeranges | |
165 | const startTime = Math.round(this.hls.media.duration - this.dvrDuration) | |
166 | const endTime = Math.round(this.hls.media.duration - this.edgeMargin) | |
167 | ||
168 | return this.vjs.createTimeRanges(startTime, endTime) | |
169 | } | |
170 | ||
171 | return this.vjs.createTimeRanges() | |
172 | } | |
173 | ||
174 | // See comment for `initialize` method. | |
175 | dispose () { | |
176 | this.videoElement.removeEventListener('play', this.handlers.play) | |
177 | this.videoElement.textTracks.removeEventListener('addtrack', this.handlers.addtrack) | |
178 | this.videoElement.removeEventListener('playing', this.handlers.playing) | |
179 | ||
180 | this.player.textTracks().removeEventListener('change', this.handlers.textTracksChange) | |
181 | this.uiTextTrackHandled = false | |
182 | ||
183 | this.player.audioTracks().removeEventListener('change', this.handlers.audioTracksChange) | |
184 | ||
185 | this.hls.destroy() | |
186 | } | |
187 | ||
188 | static addHook (type: string, callback: Function) { | |
189 | Html5Hlsjs.hooks[ type ] = this.hooks[ type ] || [] | |
190 | Html5Hlsjs.hooks[ type ].push(callback) | |
191 | } | |
192 | ||
193 | static removeHook (type: string, callback: Function) { | |
194 | if (Html5Hlsjs.hooks[ type ] === undefined) return false | |
195 | ||
196 | const index = Html5Hlsjs.hooks[ type ].indexOf(callback) | |
197 | if (index === -1) return false | |
198 | ||
199 | Html5Hlsjs.hooks[ type ].splice(index, 1) | |
200 | ||
201 | return true | |
202 | } | |
203 | ||
204 | private _executeHooksFor (type: string) { | |
205 | if (Html5Hlsjs.hooks[ type ] === undefined) { | |
206 | return | |
207 | } | |
208 | ||
209 | // ES3 and IE < 9 | |
210 | for (let i = 0; i < Html5Hlsjs.hooks[ type ].length; i++) { | |
211 | Html5Hlsjs.hooks[ type ][ i ](this.player, this.hls) | |
212 | } | |
213 | } | |
214 | ||
215 | private _handleMediaError (error: any) { | |
216 | if (this.errorCounts[ Hlsjs.ErrorTypes.MEDIA_ERROR ] === 1) { | |
217 | console.info('trying to recover media error') | |
218 | this.hls.recoverMediaError() | |
219 | return | |
220 | } | |
221 | ||
222 | if (this.errorCounts[ Hlsjs.ErrorTypes.MEDIA_ERROR ] === 2) { | |
223 | console.info('2nd try to recover media error (by swapping audio codec') | |
224 | this.hls.swapAudioCodec() | |
225 | this.hls.recoverMediaError() | |
226 | return | |
227 | } | |
228 | ||
229 | if (this.errorCounts[ Hlsjs.ErrorTypes.MEDIA_ERROR ] > 2) { | |
230 | console.info('bubbling media error up to VIDEOJS') | |
231 | this.tech.error = () => error | |
232 | this.tech.trigger('error') | |
233 | return | |
234 | } | |
235 | } | |
236 | ||
237 | private _onError (_event: any, data: Hlsjs.errorData) { | |
238 | const error: { message: string, code?: number } = { | |
239 | message: `HLS.js error: ${data.type} - fatal: ${data.fatal} - ${data.details}` | |
240 | } | |
241 | console.error(error.message) | |
242 | ||
243 | // increment/set error count | |
244 | if (this.errorCounts[ data.type ]) this.errorCounts[ data.type ] += 1 | |
245 | else this.errorCounts[ data.type ] = 1 | |
246 | ||
247 | // Implement simple error handling based on hls.js documentation | |
248 | // https://github.com/dailymotion/hls.js/blob/master/API.md#fifth-step-error-handling | |
249 | if (data.fatal) { | |
250 | switch (data.type) { | |
251 | case Hlsjs.ErrorTypes.NETWORK_ERROR: | |
252 | console.info('bubbling network error up to VIDEOJS') | |
253 | error.code = 2 | |
254 | this.tech.error = () => error as any | |
255 | this.tech.trigger('error') | |
256 | break | |
257 | ||
258 | case Hlsjs.ErrorTypes.MEDIA_ERROR: | |
259 | error.code = 3 | |
260 | this._handleMediaError(error) | |
261 | break | |
262 | ||
263 | default: | |
264 | // cannot recover | |
265 | this.hls.destroy() | |
266 | console.info('bubbling error up to VIDEOJS') | |
267 | this.tech.error = () => error as any | |
268 | this.tech.trigger('error') | |
269 | break | |
270 | } | |
271 | } | |
272 | } | |
273 | ||
274 | private switchQuality (qualityId: number) { | |
275 | this.hls.nextLevel = qualityId | |
276 | } | |
277 | ||
278 | private _levelLabel (level: Hlsjs.Level) { | |
279 | if (this.player.srOptions_.levelLabelHandler) { | |
280 | return this.player.srOptions_.levelLabelHandler(level) | |
281 | } | |
282 | ||
283 | if (level.height) return level.height + 'p' | |
284 | if (level.width) return Math.round(level.width * 9 / 16) + 'p' | |
285 | if (level.bitrate) return (level.bitrate / 1000) + 'kbps' | |
286 | ||
287 | return 0 | |
288 | } | |
289 | ||
290 | private _relayQualityChange (qualityLevels: QualityLevels) { | |
291 | // Determine if it is "Auto" (all tracks enabled) | |
292 | let isAuto = true | |
293 | ||
294 | for (let i = 0; i < qualityLevels.length; i++) { | |
295 | if (!qualityLevels[ i ]._enabled) { | |
296 | isAuto = false | |
297 | break | |
298 | } | |
299 | } | |
300 | ||
301 | // Interact with ME | |
302 | if (isAuto) { | |
303 | this.hls.currentLevel = -1 | |
304 | return | |
305 | } | |
306 | ||
307 | // Find ID of highest enabled track | |
308 | let selectedTrack: number | |
309 | ||
310 | for (selectedTrack = qualityLevels.length - 1; selectedTrack >= 0; selectedTrack--) { | |
311 | if (qualityLevels[ selectedTrack ]._enabled) { | |
312 | break | |
313 | } | |
314 | } | |
315 | ||
316 | this.hls.currentLevel = selectedTrack | |
317 | } | |
318 | ||
319 | private _handleQualityLevels () { | |
320 | if (!this.metadata) return | |
321 | ||
322 | const qualityLevels = this.player.qualityLevels && this.player.qualityLevels() | |
323 | if (!qualityLevels) return | |
324 | ||
325 | for (let i = 0; i < this.metadata.levels.length; i++) { | |
326 | const details = this.metadata.levels[ i ] | |
327 | const representation: QualityLevelRepresentation = { | |
328 | id: i, | |
329 | width: details.width, | |
330 | height: details.height, | |
331 | bandwidth: details.bitrate, | |
332 | bitrate: details.bitrate, | |
333 | _enabled: true | |
334 | } | |
335 | ||
336 | const self = this | |
337 | representation.enabled = function (this: QualityLevels, level: number, toggle?: boolean) { | |
338 | // Brightcove switcher works TextTracks-style (enable tracks that it wants to ABR on) | |
339 | if (typeof toggle === 'boolean') { | |
340 | this[ level ]._enabled = toggle | |
341 | self._relayQualityChange(this) | |
342 | } | |
343 | ||
344 | return this[ level ]._enabled | |
345 | } | |
346 | ||
347 | qualityLevels.addQualityLevel(representation) | |
348 | } | |
349 | } | |
350 | ||
351 | private _notifyVideoQualities () { | |
352 | if (!this.metadata) return | |
353 | const cleanTracklist = [] | |
354 | ||
355 | if (this.metadata.levels.length > 1) { | |
356 | const autoLevel = { | |
357 | id: -1, | |
358 | label: 'auto', | |
359 | selected: this.hls.manualLevel === -1 | |
360 | } | |
361 | cleanTracklist.push(autoLevel) | |
362 | } | |
363 | ||
364 | this.metadata.levels.forEach((level, index) => { | |
365 | // Don't write in level (shared reference with Hls.js) | |
366 | const quality = { | |
367 | id: index, | |
368 | selected: index === this.hls.manualLevel, | |
369 | label: this._levelLabel(level) | |
370 | } | |
371 | ||
372 | cleanTracklist.push(quality) | |
373 | }) | |
374 | ||
375 | const payload = { | |
376 | qualityData: { video: cleanTracklist }, | |
377 | qualitySwitchCallback: this.switchQuality.bind(this) | |
378 | } | |
379 | ||
380 | this.tech.trigger('loadedqualitydata', payload) | |
381 | ||
382 | // Self-de-register so we don't raise the payload multiple times | |
383 | this.videoElement.removeEventListener('playing', this.handlers.playing) | |
384 | } | |
385 | ||
386 | private _updateSelectedAudioTrack () { | |
387 | const playerAudioTracks = this.tech.audioTracks() | |
388 | for (let j = 0; j < playerAudioTracks.length; j++) { | |
389 | // FIXME: typings | |
390 | if ((playerAudioTracks[ j ] as any).enabled) { | |
391 | this.hls.audioTrack = j | |
392 | break | |
393 | } | |
394 | } | |
395 | } | |
396 | ||
397 | private _onAudioTracks () { | |
398 | const hlsAudioTracks = this.hls.audioTracks | |
399 | const playerAudioTracks = this.tech.audioTracks() | |
400 | ||
401 | if (hlsAudioTracks.length > 1 && playerAudioTracks.length === 0) { | |
402 | // Add Hls.js audio tracks if not added yet | |
403 | for (let i = 0; i < hlsAudioTracks.length; i++) { | |
404 | playerAudioTracks.addTrack(new this.vjs.AudioTrack({ | |
405 | id: i.toString(), | |
406 | kind: 'alternative', | |
407 | label: hlsAudioTracks[ i ].name || hlsAudioTracks[ i ].lang, | |
408 | language: hlsAudioTracks[ i ].lang, | |
409 | enabled: i === this.hls.audioTrack | |
410 | })) | |
411 | } | |
412 | ||
413 | // Handle audio track change event | |
414 | this.handlers.audioTracksChange = this._updateSelectedAudioTrack.bind(this) | |
415 | playerAudioTracks.addEventListener('change', this.handlers.audioTracksChange) | |
416 | } | |
417 | } | |
418 | ||
419 | private _getTextTrackLabel (textTrack: TextTrack) { | |
420 | // Label here is readable label and is optional (used in the UI so if it is there it should be different) | |
421 | return textTrack.label ? textTrack.label : textTrack.language | |
422 | } | |
423 | ||
424 | private _isSameTextTrack (track1: TextTrack, track2: TextTrack) { | |
425 | return this._getTextTrackLabel(track1) === this._getTextTrackLabel(track2) | |
426 | && track1.kind === track2.kind | |
427 | } | |
428 | ||
429 | private _updateSelectedTextTrack () { | |
430 | const playerTextTracks = this.player.textTracks() | |
431 | let activeTrack: TextTrack = null | |
432 | ||
433 | for (let j = 0; j < playerTextTracks.length; j++) { | |
434 | if (playerTextTracks[ j ].mode === 'showing') { | |
435 | activeTrack = playerTextTracks[ j ] | |
436 | break | |
437 | } | |
438 | } | |
439 | ||
440 | const hlsjsTracks = this.videoElement.textTracks | |
441 | for (let k = 0; k < hlsjsTracks.length; k++) { | |
442 | if (hlsjsTracks[ k ].kind === 'subtitles' || hlsjsTracks[ k ].kind === 'captions') { | |
443 | hlsjsTracks[ k ].mode = activeTrack && this._isSameTextTrack(hlsjsTracks[ k ], activeTrack) | |
444 | ? 'showing' | |
445 | : 'disabled' | |
446 | } | |
447 | } | |
448 | } | |
449 | ||
450 | private _startLoad () { | |
451 | this.hls.startLoad(-1) | |
452 | this.videoElement.removeEventListener('play', this.handlers.play) | |
453 | } | |
454 | ||
455 | private _oneLevelObjClone (obj: object) { | |
456 | const result = {} | |
457 | const objKeys = Object.keys(obj) | |
458 | for (let i = 0; i < objKeys.length; i++) { | |
459 | result[ objKeys[ i ] ] = obj[ objKeys[ i ] ] | |
460 | } | |
461 | ||
462 | return result | |
463 | } | |
464 | ||
465 | private _filterDisplayableTextTracks (textTracks: TextTrackList) { | |
466 | const displayableTracks = [] | |
467 | ||
468 | // Filter out tracks that is displayable (captions or subtitles) | |
469 | for (let idx = 0; idx < textTracks.length; idx++) { | |
470 | if (textTracks[ idx ].kind === 'subtitles' || textTracks[ idx ].kind === 'captions') { | |
471 | displayableTracks.push(textTracks[ idx ]) | |
472 | } | |
473 | } | |
474 | ||
475 | return displayableTracks | |
476 | } | |
477 | ||
478 | private _updateTextTrackList () { | |
479 | const displayableTracks = this._filterDisplayableTextTracks(this.videoElement.textTracks) | |
480 | const playerTextTracks = this.player.textTracks() | |
481 | ||
482 | // Add stubs to make the caption switcher shows up | |
483 | // Adding the Hls.js text track in will make us have double captions | |
484 | for (let idx = 0; idx < displayableTracks.length; idx++) { | |
485 | let isAdded = false | |
486 | ||
487 | for (let jdx = 0; jdx < playerTextTracks.length; jdx++) { | |
488 | if (this._isSameTextTrack(displayableTracks[ idx ], playerTextTracks[ jdx ])) { | |
489 | isAdded = true | |
490 | break | |
491 | } | |
492 | } | |
493 | ||
494 | if (!isAdded) { | |
495 | const hlsjsTextTrack = displayableTracks[ idx ] | |
496 | this.player.addRemoteTextTrack({ | |
497 | kind: hlsjsTextTrack.kind as videojs.TextTrack.Kind, | |
498 | label: this._getTextTrackLabel(hlsjsTextTrack), | |
499 | language: hlsjsTextTrack.language, | |
500 | srclang: hlsjsTextTrack.language | |
501 | }, false) | |
502 | } | |
503 | } | |
504 | ||
505 | // Handle UI switching | |
506 | this._updateSelectedTextTrack() | |
507 | ||
508 | if (!this.uiTextTrackHandled) { | |
509 | this.handlers.textTracksChange = this._updateSelectedTextTrack.bind(this) | |
510 | playerTextTracks.addEventListener('change', this.handlers.textTracksChange) | |
511 | ||
512 | this.uiTextTrackHandled = true | |
513 | } | |
514 | } | |
515 | ||
516 | private _onMetaData (_event: any, data: Hlsjs.manifestLoadedData) { | |
517 | // This could arrive before 'loadedqualitydata' handlers is registered, remember it so we can raise it later | |
518 | this.metadata = data as any | |
519 | this._handleQualityLevels() | |
520 | } | |
521 | ||
522 | private _createCueHandler (captionConfig: any) { | |
523 | return { | |
524 | newCue: (track: any, startTime: number, endTime: number, captionScreen: { rows: any[] }) => { | |
525 | let row: any | |
526 | let cue: VTTCue | |
527 | let text: string | |
528 | const VTTCue = (window as any).VTTCue || (window as any).TextTrackCue | |
529 | ||
530 | for (let r = 0; r < captionScreen.rows.length; r++) { | |
531 | row = captionScreen.rows[ r ] | |
532 | text = '' | |
533 | ||
534 | if (!row.isEmpty()) { | |
535 | for (let c = 0; c < row.chars.length; c++) { | |
536 | text += row.chars[ c ].ucharj | |
537 | } | |
538 | ||
539 | cue = new VTTCue(startTime, endTime, text.trim()) | |
540 | ||
541 | // typeof null === 'object' | |
542 | if (captionConfig != null && typeof captionConfig === 'object') { | |
543 | // Copy client overridden property into the cue object | |
544 | const configKeys = Object.keys(captionConfig) | |
545 | ||
546 | for (let k = 0; k < configKeys.length; k++) { | |
547 | cue[ configKeys[ k ] ] = captionConfig[ configKeys[ k ] ] | |
548 | } | |
549 | } | |
550 | track.addCue(cue) | |
551 | if (endTime === startTime) track.addCue(new VTTCue(endTime + 5, '')) | |
552 | } | |
553 | } | |
554 | } | |
555 | } | |
556 | } | |
557 | ||
558 | private _initHlsjs () { | |
559 | const techOptions = this.tech.options_ as HlsjsConfigHandlerOptions | |
560 | const srOptions_ = this.player.srOptions_ | |
561 | ||
562 | const hlsjsConfigRef = srOptions_ && srOptions_.hlsjsConfig || techOptions.hlsjsConfig | |
563 | // Hls.js will write to the reference thus change the object for later streams | |
564 | this.hlsjsConfig = hlsjsConfigRef ? this._oneLevelObjClone(hlsjsConfigRef) : {} | |
565 | ||
566 | if ([ '', 'auto' ].includes(this.videoElement.preload) && !this.videoElement.autoplay && this.hlsjsConfig.autoStartLoad === undefined) { | |
567 | this.hlsjsConfig.autoStartLoad = false | |
568 | } | |
569 | ||
570 | const captionConfig = srOptions_ && srOptions_.captionConfig || techOptions.captionConfig | |
571 | if (captionConfig) { | |
572 | this.hlsjsConfig.cueHandler = this._createCueHandler(captionConfig) | |
573 | } | |
574 | ||
575 | // If the user explicitly sets autoStartLoad to false, we're not going to enter the if block above | |
576 | // That's why we have a separate if block here to set the 'play' listener | |
577 | if (this.hlsjsConfig.autoStartLoad === false) { | |
578 | this.handlers.play = this._startLoad.bind(this) | |
579 | this.videoElement.addEventListener('play', this.handlers.play) | |
580 | } | |
581 | ||
582 | // _notifyVideoQualities sometimes runs before the quality picker event handler is registered -> no video switcher | |
583 | this.handlers.playing = this._notifyVideoQualities.bind(this) | |
584 | this.videoElement.addEventListener('playing', this.handlers.playing) | |
585 | ||
586 | this.hls = new Hlsjs(this.hlsjsConfig) | |
587 | ||
588 | this._executeHooksFor('beforeinitialize') | |
589 | ||
590 | this.hls.on(Hlsjs.Events.ERROR, (event, data) => this._onError(event, data)) | |
591 | this.hls.on(Hlsjs.Events.AUDIO_TRACKS_UPDATED, () => this._onAudioTracks()) | |
592 | this.hls.on(Hlsjs.Events.MANIFEST_PARSED, (event, data) => this._onMetaData(event, data as any)) // FIXME: typings | |
593 | this.hls.on(Hlsjs.Events.LEVEL_LOADED, (event, data) => { | |
594 | // The DVR plugin will auto seek to "live edge" on start up | |
595 | if (this.hlsjsConfig.liveSyncDuration) { | |
596 | this.edgeMargin = this.hlsjsConfig.liveSyncDuration | |
597 | } else if (this.hlsjsConfig.liveSyncDurationCount) { | |
598 | this.edgeMargin = this.hlsjsConfig.liveSyncDurationCount * data.details.targetduration | |
599 | } | |
600 | ||
601 | this.isLive = data.details.live | |
602 | this.dvrDuration = data.details.totalduration | |
603 | this._duration = this.isLive ? Infinity : data.details.totalduration | |
604 | }) | |
605 | this.hls.once(Hlsjs.Events.FRAG_LOADED, () => { | |
606 | // Emit custom 'loadedmetadata' event for parity with `videojs-contrib-hls` | |
607 | // Ref: https://github.com/videojs/videojs-contrib-hls#loadedmetadata | |
608 | this.tech.trigger('loadedmetadata') | |
609 | }) | |
610 | ||
611 | this.hls.attachMedia(this.videoElement) | |
612 | ||
613 | this.handlers.addtrack = this._updateTextTrackList.bind(this) | |
614 | this.videoElement.textTracks.addEventListener('addtrack', this.handlers.addtrack) | |
615 | ||
616 | this.hls.loadSource(this.source.src) | |
617 | } | |
618 | ||
619 | private initialize () { | |
620 | this._initHlsjs() | |
621 | } | |
622 | } | |
623 | ||
624 | export { | |
625 | Html5Hlsjs, | |
626 | registerSourceHandler, | |
627 | registerConfigPlugin | |
628 | } |