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authorChocobozzz <me@florianbigard.com>2022-03-14 14:28:20 +0100
committerChocobozzz <me@florianbigard.com>2022-03-14 14:36:35 +0100
commit57d6503286b114fee61b5e4725825e2490dcac29 (patch)
tree2d3d23f697b2986d7e41bb443754394296b66ec3 /client/src/assets/player/webtorrent
parent9597920ee3d4ac99803e7107983ddf98a9dfb3c4 (diff)
downloadPeerTube-57d6503286b114fee61b5e4725825e2490dcac29.tar.gz
PeerTube-57d6503286b114fee61b5e4725825e2490dcac29.tar.zst
PeerTube-57d6503286b114fee61b5e4725825e2490dcac29.zip
Reorganize player files
Diffstat (limited to 'client/src/assets/player/webtorrent')
-rw-r--r--client/src/assets/player/webtorrent/peertube-chunk-store.ts233
-rw-r--r--client/src/assets/player/webtorrent/video-renderer.ts133
-rw-r--r--client/src/assets/player/webtorrent/webtorrent-plugin.ts640
3 files changed, 0 insertions, 1006 deletions
diff --git a/client/src/assets/player/webtorrent/peertube-chunk-store.ts b/client/src/assets/player/webtorrent/peertube-chunk-store.ts
deleted file mode 100644
index 81378c277..000000000
--- a/client/src/assets/player/webtorrent/peertube-chunk-store.ts
+++ /dev/null
@@ -1,233 +0,0 @@
1// From https://github.com/MinEduTDF/idb-chunk-store
2// We use temporary IndexDB (all data are removed on destroy) to avoid RAM issues
3// Thanks @santiagogil and @Feross
4
5import { EventEmitter } from 'events'
6import Dexie from 'dexie'
7
8class ChunkDatabase extends Dexie {
9 chunks: Dexie.Table<{ id: number, buf: Buffer }, number>
10
11 constructor (dbname: string) {
12 super(dbname)
13
14 this.version(1).stores({
15 chunks: 'id'
16 })
17 }
18}
19
20class ExpirationDatabase extends Dexie {
21 databases: Dexie.Table<{ name: string, expiration: number }, number>
22
23 constructor () {
24 super('webtorrent-expiration')
25
26 this.version(1).stores({
27 databases: 'name,expiration'
28 })
29 }
30}
31
32export class PeertubeChunkStore extends EventEmitter {
33 private static readonly BUFFERING_PUT_MS = 1000
34 private static readonly CLEANER_INTERVAL_MS = 1000 * 60 // 1 minute
35 private static readonly CLEANER_EXPIRATION_MS = 1000 * 60 * 5 // 5 minutes
36
37 chunkLength: number
38
39 private pendingPut: { id: number, buf: Buffer, cb: (err?: Error) => void }[] = []
40 // If the store is full
41 private memoryChunks: { [ id: number ]: Buffer | true } = {}
42 private databaseName: string
43 private putBulkTimeout: any
44 private cleanerInterval: any
45 private db: ChunkDatabase
46 private expirationDB: ExpirationDatabase
47 private readonly length: number
48 private readonly lastChunkLength: number
49 private readonly lastChunkIndex: number
50
51 constructor (chunkLength: number, opts: any) {
52 super()
53
54 this.databaseName = 'webtorrent-chunks-'
55
56 if (!opts) opts = {}
57 if (opts.torrent?.infoHash) this.databaseName += opts.torrent.infoHash
58 else this.databaseName += '-default'
59
60 this.setMaxListeners(100)
61
62 this.chunkLength = Number(chunkLength)
63 if (!this.chunkLength) throw new Error('First argument must be a chunk length')
64
65 this.length = Number(opts.length) || Infinity
66
67 if (this.length !== Infinity) {
68 this.lastChunkLength = (this.length % this.chunkLength) || this.chunkLength
69 this.lastChunkIndex = Math.ceil(this.length / this.chunkLength) - 1
70 }
71
72 this.db = new ChunkDatabase(this.databaseName)
73 // Track databases that expired
74 this.expirationDB = new ExpirationDatabase()
75
76 this.runCleaner()
77 }
78
79 put (index: number, buf: Buffer, cb: (err?: Error) => void) {
80 const isLastChunk = (index === this.lastChunkIndex)
81 if (isLastChunk && buf.length !== this.lastChunkLength) {
82 return this.nextTick(cb, new Error('Last chunk length must be ' + this.lastChunkLength))
83 }
84 if (!isLastChunk && buf.length !== this.chunkLength) {
85 return this.nextTick(cb, new Error('Chunk length must be ' + this.chunkLength))
86 }
87
88 // Specify we have this chunk
89 this.memoryChunks[index] = true
90
91 // Add it to the pending put
92 this.pendingPut.push({ id: index, buf, cb })
93 // If it's already planned, return
94 if (this.putBulkTimeout) return
95
96 // Plan a future bulk insert
97 this.putBulkTimeout = setTimeout(async () => {
98 const processing = this.pendingPut
99 this.pendingPut = []
100 this.putBulkTimeout = undefined
101
102 try {
103 await this.db.transaction('rw', this.db.chunks, () => {
104 return this.db.chunks.bulkPut(processing.map(p => ({ id: p.id, buf: p.buf })))
105 })
106 } catch (err) {
107 console.log('Cannot bulk insert chunks. Store them in memory.', { err })
108
109 processing.forEach(p => {
110 this.memoryChunks[p.id] = p.buf
111 })
112 } finally {
113 processing.forEach(p => p.cb())
114 }
115 }, PeertubeChunkStore.BUFFERING_PUT_MS)
116 }
117
118 get (index: number, opts: any, cb: (err?: Error, buf?: Buffer) => void): void {
119 if (typeof opts === 'function') return this.get(index, null, opts)
120
121 // IndexDB could be slow, use our memory index first
122 const memoryChunk = this.memoryChunks[index]
123 if (memoryChunk === undefined) {
124 const err = new Error('Chunk not found') as any
125 err['notFound'] = true
126
127 return process.nextTick(() => cb(err))
128 }
129
130 // Chunk in memory
131 if (memoryChunk !== true) return cb(null, memoryChunk)
132
133 // Chunk in store
134 this.db.transaction('r', this.db.chunks, async () => {
135 const result = await this.db.chunks.get({ id: index })
136 if (result === undefined) return cb(null, Buffer.alloc(0))
137
138 const buf = result.buf
139 if (!opts) return this.nextTick(cb, null, buf)
140
141 const offset = opts.offset || 0
142 const len = opts.length || (buf.length - offset)
143 return cb(null, buf.slice(offset, len + offset))
144 })
145 .catch(err => {
146 console.error(err)
147 return cb(err)
148 })
149 }
150
151 close (cb: (err?: Error) => void) {
152 return this.destroy(cb)
153 }
154
155 async destroy (cb: (err?: Error) => void) {
156 try {
157 if (this.pendingPut) {
158 clearTimeout(this.putBulkTimeout)
159 this.pendingPut = null
160 }
161 if (this.cleanerInterval) {
162 clearInterval(this.cleanerInterval)
163 this.cleanerInterval = null
164 }
165
166 if (this.db) {
167 this.db.close()
168
169 await this.dropDatabase(this.databaseName)
170 }
171
172 if (this.expirationDB) {
173 this.expirationDB.close()
174 this.expirationDB = null
175 }
176
177 return cb()
178 } catch (err) {
179 console.error('Cannot destroy peertube chunk store.', err)
180 return cb(err)
181 }
182 }
183
184 private runCleaner () {
185 this.checkExpiration()
186
187 this.cleanerInterval = setInterval(() => {
188 this.checkExpiration()
189 }, PeertubeChunkStore.CLEANER_INTERVAL_MS)
190 }
191
192 private async checkExpiration () {
193 let databasesToDeleteInfo: { name: string }[] = []
194
195 try {
196 await this.expirationDB.transaction('rw', this.expirationDB.databases, async () => {
197 // Update our database expiration since we are alive
198 await this.expirationDB.databases.put({
199 name: this.databaseName,
200 expiration: new Date().getTime() + PeertubeChunkStore.CLEANER_EXPIRATION_MS
201 })
202
203 const now = new Date().getTime()
204 databasesToDeleteInfo = await this.expirationDB.databases.where('expiration').below(now).toArray()
205 })
206 } catch (err) {
207 console.error('Cannot update expiration of fetch expired databases.', err)
208 }
209
210 for (const databaseToDeleteInfo of databasesToDeleteInfo) {
211 await this.dropDatabase(databaseToDeleteInfo.name)
212 }
213 }
214
215 private async dropDatabase (databaseName: string) {
216 const dbToDelete = new ChunkDatabase(databaseName)
217 console.log('Destroying IndexDB database %s.', databaseName)
218
219 try {
220 await dbToDelete.delete()
221
222 await this.expirationDB.transaction('rw', this.expirationDB.databases, () => {
223 return this.expirationDB.databases.where({ name: databaseName }).delete()
224 })
225 } catch (err) {
226 console.error('Cannot delete %s.', databaseName, err)
227 }
228 }
229
230 private nextTick <T> (cb: (err?: Error, val?: T) => void, err: Error, val?: T) {
231 process.nextTick(() => cb(err, val), undefined)
232 }
233}
diff --git a/client/src/assets/player/webtorrent/video-renderer.ts b/client/src/assets/player/webtorrent/video-renderer.ts
deleted file mode 100644
index 9b80fea2c..000000000
--- a/client/src/assets/player/webtorrent/video-renderer.ts
+++ /dev/null
@@ -1,133 +0,0 @@
1// Thanks: https://github.com/feross/render-media
2
3const MediaElementWrapper = require('mediasource')
4import { extname } from 'path'
5const Videostream = require('videostream')
6
7const VIDEOSTREAM_EXTS = [
8 '.m4a',
9 '.m4v',
10 '.mp4'
11]
12
13type RenderMediaOptions = {
14 controls: boolean
15 autoplay: boolean
16}
17
18function renderVideo (
19 file: any,
20 elem: HTMLVideoElement,
21 opts: RenderMediaOptions,
22 callback: (err: Error, renderer: any) => void
23) {
24 validateFile(file)
25
26 return renderMedia(file, elem, opts, callback)
27}
28
29function renderMedia (file: any, elem: HTMLVideoElement, opts: RenderMediaOptions, callback: (err: Error, renderer?: any) => void) {
30 const extension = extname(file.name).toLowerCase()
31 let preparedElem: any
32 let currentTime = 0
33 let renderer: any
34
35 try {
36 if (VIDEOSTREAM_EXTS.includes(extension)) {
37 renderer = useVideostream()
38 } else {
39 renderer = useMediaSource()
40 }
41 } catch (err) {
42 return callback(err)
43 }
44
45 function useVideostream () {
46 prepareElem()
47 preparedElem.addEventListener('error', function onError (err: Error) {
48 preparedElem.removeEventListener('error', onError)
49
50 return callback(err)
51 })
52 preparedElem.addEventListener('loadstart', onLoadStart)
53 return new Videostream(file, preparedElem)
54 }
55
56 function useMediaSource (useVP9 = false) {
57 const codecs = getCodec(file.name, useVP9)
58
59 prepareElem()
60 preparedElem.addEventListener('error', function onError (err: Error) {
61 preparedElem.removeEventListener('error', onError)
62
63 // Try with vp9 before returning an error
64 if (codecs.includes('vp8')) return fallbackToMediaSource(true)
65
66 return callback(err)
67 })
68 preparedElem.addEventListener('loadstart', onLoadStart)
69
70 const wrapper = new MediaElementWrapper(preparedElem)
71 const writable = wrapper.createWriteStream(codecs)
72 file.createReadStream().pipe(writable)
73
74 if (currentTime) preparedElem.currentTime = currentTime
75
76 return wrapper
77 }
78
79 function fallbackToMediaSource (useVP9 = false) {
80 if (useVP9 === true) console.log('Falling back to media source with VP9 enabled.')
81 else console.log('Falling back to media source..')
82
83 useMediaSource(useVP9)
84 }
85
86 function prepareElem () {
87 if (preparedElem === undefined) {
88 preparedElem = elem
89
90 preparedElem.addEventListener('progress', function () {
91 currentTime = elem.currentTime
92 })
93 }
94 }
95
96 function onLoadStart () {
97 preparedElem.removeEventListener('loadstart', onLoadStart)
98 if (opts.autoplay) preparedElem.play()
99
100 callback(null, renderer)
101 }
102}
103
104function validateFile (file: any) {
105 if (file == null) {
106 throw new Error('file cannot be null or undefined')
107 }
108 if (typeof file.name !== 'string') {
109 throw new Error('missing or invalid file.name property')
110 }
111 if (typeof file.createReadStream !== 'function') {
112 throw new Error('missing or invalid file.createReadStream property')
113 }
114}
115
116function getCodec (name: string, useVP9 = false) {
117 const ext = extname(name).toLowerCase()
118 if (ext === '.mp4') {
119 return 'video/mp4; codecs="avc1.640029, mp4a.40.5"'
120 }
121
122 if (ext === '.webm') {
123 if (useVP9 === true) return 'video/webm; codecs="vp9, opus"'
124
125 return 'video/webm; codecs="vp8, vorbis"'
126 }
127
128 return undefined
129}
130
131export {
132 renderVideo
133}
diff --git a/client/src/assets/player/webtorrent/webtorrent-plugin.ts b/client/src/assets/player/webtorrent/webtorrent-plugin.ts
deleted file mode 100644
index 4bcb2766a..000000000
--- a/client/src/assets/player/webtorrent/webtorrent-plugin.ts
+++ /dev/null
@@ -1,640 +0,0 @@
1import videojs from 'video.js'
2import * as WebTorrent from 'webtorrent'
3import { timeToInt } from '@shared/core-utils'
4import { VideoFile } from '@shared/models'
5import { getAverageBandwidthInStore, getStoredMute, getStoredVolume, saveAverageBandwidth } from '../peertube-player-local-storage'
6import { PeerTubeResolution, PlayerNetworkInfo, WebtorrentPluginOptions } from '../peertube-videojs-typings'
7import { getRtcConfig, isIOS, videoFileMaxByResolution, videoFileMinByResolution } from '../utils'
8import { PeertubeChunkStore } from './peertube-chunk-store'
9import { renderVideo } from './video-renderer'
10
11const CacheChunkStore = require('cache-chunk-store')
12
13type PlayOptions = {
14 forcePlay?: boolean
15 seek?: number
16 delay?: number
17}
18
19const Plugin = videojs.getPlugin('plugin')
20
21class WebTorrentPlugin extends Plugin {
22 readonly videoFiles: VideoFile[]
23
24 private readonly playerElement: HTMLVideoElement
25
26 private readonly autoplay: boolean = false
27 private readonly startTime: number = 0
28 private readonly savePlayerSrcFunction: videojs.Player['src']
29 private readonly videoDuration: number
30 private readonly CONSTANTS = {
31 INFO_SCHEDULER: 1000, // Don't change this
32 AUTO_QUALITY_SCHEDULER: 3000, // Check quality every 3 seconds
33 AUTO_QUALITY_THRESHOLD_PERCENT: 30, // Bandwidth should be 30% more important than a resolution bitrate to change to it
34 AUTO_QUALITY_OBSERVATION_TIME: 10000, // Wait 10 seconds after having change the resolution before another check
35 AUTO_QUALITY_HIGHER_RESOLUTION_DELAY: 5000, // Buffering higher resolution during 5 seconds
36 BANDWIDTH_AVERAGE_NUMBER_OF_VALUES: 5 // Last 5 seconds to build average bandwidth
37 }
38
39 private readonly webtorrent = new WebTorrent({
40 tracker: {
41 rtcConfig: getRtcConfig()
42 },
43 dht: false
44 })
45
46 private currentVideoFile: VideoFile
47 private torrent: WebTorrent.Torrent
48
49 private renderer: any
50 private fakeRenderer: any
51 private destroyingFakeRenderer = false
52
53 private autoResolution = true
54 private autoResolutionPossible = true
55 private isAutoResolutionObservation = false
56 private playerRefusedP2P = false
57
58 private torrentInfoInterval: any
59 private autoQualityInterval: any
60 private addTorrentDelay: any
61 private qualityObservationTimer: any
62 private runAutoQualitySchedulerTimer: any
63
64 private downloadSpeeds: number[] = []
65
66 constructor (player: videojs.Player, options?: WebtorrentPluginOptions) {
67 super(player)
68
69 this.startTime = timeToInt(options.startTime)
70
71 // Custom autoplay handled by webtorrent because we lazy play the video
72 this.autoplay = options.autoplay
73
74 this.playerRefusedP2P = options.playerRefusedP2P
75
76 this.videoFiles = options.videoFiles
77 this.videoDuration = options.videoDuration
78
79 this.savePlayerSrcFunction = this.player.src
80 this.playerElement = options.playerElement
81
82 this.player.ready(() => {
83 const playerOptions = this.player.options_
84
85 const volume = getStoredVolume()
86 if (volume !== undefined) this.player.volume(volume)
87
88 const muted = playerOptions.muted !== undefined ? playerOptions.muted : getStoredMute()
89 if (muted !== undefined) this.player.muted(muted)
90
91 this.player.duration(options.videoDuration)
92
93 this.initializePlayer()
94 this.runTorrentInfoScheduler()
95
96 this.player.one('play', () => {
97 // Don't run immediately scheduler, wait some seconds the TCP connections are made
98 this.runAutoQualitySchedulerTimer = setTimeout(() => this.runAutoQualityScheduler(), this.CONSTANTS.AUTO_QUALITY_SCHEDULER)
99 })
100 })
101 }
102
103 dispose () {
104 clearTimeout(this.addTorrentDelay)
105 clearTimeout(this.qualityObservationTimer)
106 clearTimeout(this.runAutoQualitySchedulerTimer)
107
108 clearInterval(this.torrentInfoInterval)
109 clearInterval(this.autoQualityInterval)
110
111 // Don't need to destroy renderer, video player will be destroyed
112 this.flushVideoFile(this.currentVideoFile, false)
113
114 this.destroyFakeRenderer()
115 }
116
117 getCurrentResolutionId () {
118 return this.currentVideoFile ? this.currentVideoFile.resolution.id : -1
119 }
120
121 updateVideoFile (
122 videoFile?: VideoFile,
123 options: {
124 forcePlay?: boolean
125 seek?: number
126 delay?: number
127 } = {},
128 done: () => void = () => { /* empty */ }
129 ) {
130 // Automatically choose the adapted video file
131 if (!videoFile) {
132 const savedAverageBandwidth = getAverageBandwidthInStore()
133 videoFile = savedAverageBandwidth
134 ? this.getAppropriateFile(savedAverageBandwidth)
135 : this.pickAverageVideoFile()
136 }
137
138 if (!videoFile) {
139 throw Error(`Can't update video file since videoFile is undefined.`)
140 }
141
142 // Don't add the same video file once again
143 if (this.currentVideoFile !== undefined && this.currentVideoFile.magnetUri === videoFile.magnetUri) {
144 return
145 }
146
147 // Do not display error to user because we will have multiple fallback
148 this.player.peertube().hideFatalError();
149
150 // Hack to "simulate" src link in video.js >= 6
151 // Without this, we can't play the video after pausing it
152 // https://github.com/videojs/video.js/blob/master/src/js/player.js#L1633
153 (this.player as any).src = () => true
154 const oldPlaybackRate = this.player.playbackRate()
155
156 const previousVideoFile = this.currentVideoFile
157 this.currentVideoFile = videoFile
158
159 // Don't try on iOS that does not support MediaSource
160 // Or don't use P2P if webtorrent is disabled
161 if (isIOS() || this.playerRefusedP2P) {
162 return this.fallbackToHttp(options, () => {
163 this.player.playbackRate(oldPlaybackRate)
164 return done()
165 })
166 }
167
168 this.addTorrent(this.currentVideoFile.magnetUri, previousVideoFile, options, () => {
169 this.player.playbackRate(oldPlaybackRate)
170 return done()
171 })
172
173 this.selectAppropriateResolution(true)
174 }
175
176 updateEngineResolution (resolutionId: number, delay = 0) {
177 // Remember player state
178 const currentTime = this.player.currentTime()
179 const isPaused = this.player.paused()
180
181 // Hide bigPlayButton
182 if (!isPaused) {
183 this.player.bigPlayButton.hide()
184 }
185
186 // Audio-only (resolutionId === 0) gets special treatment
187 if (resolutionId === 0) {
188 // Audio-only: show poster, do not auto-hide controls
189 this.player.addClass('vjs-playing-audio-only-content')
190 this.player.posterImage.show()
191 } else {
192 // Hide poster to have black background
193 this.player.removeClass('vjs-playing-audio-only-content')
194 this.player.posterImage.hide()
195 }
196
197 const newVideoFile = this.videoFiles.find(f => f.resolution.id === resolutionId)
198 const options = {
199 forcePlay: false,
200 delay,
201 seek: currentTime + (delay / 1000)
202 }
203
204 this.updateVideoFile(newVideoFile, options)
205 }
206
207 flushVideoFile (videoFile: VideoFile, destroyRenderer = true) {
208 if (videoFile !== undefined && this.webtorrent.get(videoFile.magnetUri)) {
209 if (destroyRenderer === true && this.renderer && this.renderer.destroy) this.renderer.destroy()
210
211 this.webtorrent.remove(videoFile.magnetUri)
212 console.log('Removed ' + videoFile.magnetUri)
213 }
214 }
215
216 disableAutoResolution () {
217 this.autoResolution = false
218 this.autoResolutionPossible = false
219 this.player.peertubeResolutions().disableAutoResolution()
220 }
221
222 isAutoResolutionPossible () {
223 return this.autoResolutionPossible
224 }
225
226 getTorrent () {
227 return this.torrent
228 }
229
230 getCurrentVideoFile () {
231 return this.currentVideoFile
232 }
233
234 changeQuality (id: number) {
235 if (id === -1) {
236 if (this.autoResolutionPossible === true) {
237 this.autoResolution = true
238
239 this.selectAppropriateResolution(false)
240 }
241
242 return
243 }
244
245 this.autoResolution = false
246 this.updateEngineResolution(id)
247 this.selectAppropriateResolution(false)
248 }
249
250 private addTorrent (
251 magnetOrTorrentUrl: string,
252 previousVideoFile: VideoFile,
253 options: PlayOptions,
254 done: (err?: Error) => void
255 ) {
256 if (!magnetOrTorrentUrl) return this.fallbackToHttp(options, done)
257
258 console.log('Adding ' + magnetOrTorrentUrl + '.')
259
260 const oldTorrent = this.torrent
261 const torrentOptions = {
262 // Don't use arrow function: it breaks webtorrent (that uses `new` keyword)
263 store: function (chunkLength: number, storeOpts: any) {
264 return new CacheChunkStore(new PeertubeChunkStore(chunkLength, storeOpts), {
265 max: 100
266 })
267 }
268 }
269
270 this.torrent = this.webtorrent.add(magnetOrTorrentUrl, torrentOptions, torrent => {
271 console.log('Added ' + magnetOrTorrentUrl + '.')
272
273 if (oldTorrent) {
274 // Pause the old torrent
275 this.stopTorrent(oldTorrent)
276
277 // We use a fake renderer so we download correct pieces of the next file
278 if (options.delay) this.renderFileInFakeElement(torrent.files[0], options.delay)
279 }
280
281 // Render the video in a few seconds? (on resolution change for example, we wait some seconds of the new video resolution)
282 this.addTorrentDelay = setTimeout(() => {
283 // We don't need the fake renderer anymore
284 this.destroyFakeRenderer()
285
286 const paused = this.player.paused()
287
288 this.flushVideoFile(previousVideoFile)
289
290 // Update progress bar (just for the UI), do not wait rendering
291 if (options.seek) this.player.currentTime(options.seek)
292
293 const renderVideoOptions = { autoplay: false, controls: true }
294 renderVideo(torrent.files[0], this.playerElement, renderVideoOptions, (err, renderer) => {
295 this.renderer = renderer
296
297 if (err) return this.fallbackToHttp(options, done)
298
299 return this.tryToPlay(err => {
300 if (err) return done(err)
301
302 if (options.seek) this.seek(options.seek)
303 if (options.forcePlay === false && paused === true) this.player.pause()
304
305 return done()
306 })
307 })
308 }, options.delay || 0)
309 })
310
311 this.torrent.on('error', (err: any) => console.error(err))
312
313 this.torrent.on('warning', (err: any) => {
314 // We don't support HTTP tracker but we don't care -> we use the web socket tracker
315 if (err.message.indexOf('Unsupported tracker protocol') !== -1) return
316
317 // Users don't care about issues with WebRTC, but developers do so log it in the console
318 if (err.message.indexOf('Ice connection failed') !== -1) {
319 console.log(err)
320 return
321 }
322
323 // Magnet hash is not up to date with the torrent file, add directly the torrent file
324 if (err.message.indexOf('incorrect info hash') !== -1) {
325 console.error('Incorrect info hash detected, falling back to torrent file.')
326 const newOptions = { forcePlay: true, seek: options.seek }
327 return this.addTorrent(this.torrent['xs'], previousVideoFile, newOptions, done)
328 }
329
330 // Remote instance is down
331 if (err.message.indexOf('from xs param') !== -1) {
332 this.handleError(err)
333 }
334
335 console.warn(err)
336 })
337 }
338
339 private tryToPlay (done?: (err?: Error) => void) {
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: Error) => {
346 if (err.message.includes('The play() request was interrupted by a call to pause()')) {
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 this.player.removeClass('vjs-playing-audio-only-content')
356
357 return done()
358 })
359 }
360
361 return done()
362 }
363
364 private seek (time: number) {
365 this.player.currentTime(time)
366 this.player.handleTechSeeked_()
367 }
368
369 private getAppropriateFile (averageDownloadSpeed?: number): VideoFile {
370 if (this.videoFiles === undefined) return undefined
371 if (this.videoFiles.length === 1) return this.videoFiles[0]
372
373 const files = this.videoFiles.filter(f => f.resolution.id !== 0)
374 if (files.length === 0) return undefined
375
376 // Don't change the torrent if the player ended
377 if (this.torrent && this.torrent.progress === 1 && this.player.ended()) return this.currentVideoFile
378
379 if (!averageDownloadSpeed) averageDownloadSpeed = this.getAndSaveActualDownloadSpeed()
380
381 // Limit resolution according to player height
382 const playerHeight = this.playerElement.offsetHeight
383
384 // We take the first resolution just above the player height
385 // Example: player height is 530px, we want the 720p file instead of 480p
386 let maxResolution = files[0].resolution.id
387 for (let i = files.length - 1; i >= 0; i--) {
388 const resolutionId = files[i].resolution.id
389 if (resolutionId !== 0 && resolutionId >= playerHeight) {
390 maxResolution = resolutionId
391 break
392 }
393 }
394
395 // Filter videos we can play according to our screen resolution and bandwidth
396 const filteredFiles = files.filter(f => f.resolution.id <= maxResolution)
397 .filter(f => {
398 const fileBitrate = (f.size / this.videoDuration)
399 let threshold = fileBitrate
400
401 // If this is for a higher resolution or an initial load: add a margin
402 if (!this.currentVideoFile || f.resolution.id > this.currentVideoFile.resolution.id) {
403 threshold += ((fileBitrate * this.CONSTANTS.AUTO_QUALITY_THRESHOLD_PERCENT) / 100)
404 }
405
406 return averageDownloadSpeed > threshold
407 })
408
409 // If the download speed is too bad, return the lowest resolution we have
410 if (filteredFiles.length === 0) return videoFileMinByResolution(files)
411
412 return videoFileMaxByResolution(filteredFiles)
413 }
414
415 private getAndSaveActualDownloadSpeed () {
416 const start = Math.max(this.downloadSpeeds.length - this.CONSTANTS.BANDWIDTH_AVERAGE_NUMBER_OF_VALUES, 0)
417 const lastDownloadSpeeds = this.downloadSpeeds.slice(start, this.downloadSpeeds.length)
418 if (lastDownloadSpeeds.length === 0) return -1
419
420 const sum = lastDownloadSpeeds.reduce((a, b) => a + b)
421 const averageBandwidth = Math.round(sum / lastDownloadSpeeds.length)
422
423 // Save the average bandwidth for future use
424 saveAverageBandwidth(averageBandwidth)
425
426 return averageBandwidth
427 }
428
429 private initializePlayer () {
430 this.buildQualities()
431
432 if (this.autoplay) {
433 this.player.posterImage.hide()
434
435 return this.updateVideoFile(undefined, { forcePlay: true, seek: this.startTime })
436 }
437
438 // Proxy first play
439 const oldPlay = this.player.play.bind(this.player);
440 (this.player as any).play = () => {
441 this.player.addClass('vjs-has-big-play-button-clicked')
442 this.player.play = oldPlay
443
444 this.updateVideoFile(undefined, { forcePlay: true, seek: this.startTime })
445 }
446 }
447
448 private runAutoQualityScheduler () {
449 this.autoQualityInterval = setInterval(() => {
450
451 // Not initialized or in HTTP fallback
452 if (this.torrent === undefined || this.torrent === null) return
453 if (this.autoResolution === false) return
454 if (this.isAutoResolutionObservation === true) return
455
456 const file = this.getAppropriateFile()
457 let changeResolution = false
458 let changeResolutionDelay = 0
459
460 // Lower resolution
461 if (this.isPlayerWaiting() && file.resolution.id < this.currentVideoFile.resolution.id) {
462 console.log('Downgrading automatically the resolution to: %s', file.resolution.label)
463 changeResolution = true
464 } else if (file.resolution.id > this.currentVideoFile.resolution.id) { // Higher resolution
465 console.log('Upgrading automatically the resolution to: %s', file.resolution.label)
466 changeResolution = true
467 changeResolutionDelay = this.CONSTANTS.AUTO_QUALITY_HIGHER_RESOLUTION_DELAY
468 }
469
470 if (changeResolution === true) {
471 this.updateEngineResolution(file.resolution.id, changeResolutionDelay)
472
473 // Wait some seconds in observation of our new resolution
474 this.isAutoResolutionObservation = true
475
476 this.qualityObservationTimer = setTimeout(() => {
477 this.isAutoResolutionObservation = false
478 }, this.CONSTANTS.AUTO_QUALITY_OBSERVATION_TIME)
479 }
480 }, this.CONSTANTS.AUTO_QUALITY_SCHEDULER)
481 }
482
483 private isPlayerWaiting () {
484 return this.player?.hasClass('vjs-waiting')
485 }
486
487 private runTorrentInfoScheduler () {
488 this.torrentInfoInterval = setInterval(() => {
489 // Not initialized yet
490 if (this.torrent === undefined) return
491
492 // Http fallback
493 if (this.torrent === null) return this.player.trigger('p2pInfo', false)
494
495 // this.webtorrent.downloadSpeed because we need to take into account the potential old torrent too
496 if (this.webtorrent.downloadSpeed !== 0) this.downloadSpeeds.push(this.webtorrent.downloadSpeed)
497
498 return this.player.trigger('p2pInfo', {
499 source: 'webtorrent',
500 http: {
501 downloadSpeed: 0,
502 uploadSpeed: 0,
503 downloaded: 0,
504 uploaded: 0
505 },
506 p2p: {
507 downloadSpeed: this.torrent.downloadSpeed,
508 numPeers: this.torrent.numPeers,
509 uploadSpeed: this.torrent.uploadSpeed,
510 downloaded: this.torrent.downloaded,
511 uploaded: this.torrent.uploaded
512 },
513 bandwidthEstimate: this.webtorrent.downloadSpeed
514 } as PlayerNetworkInfo)
515 }, this.CONSTANTS.INFO_SCHEDULER)
516 }
517
518 private fallbackToHttp (options: PlayOptions, done?: (err?: Error) => void) {
519 const paused = this.player.paused()
520
521 this.disableAutoResolution()
522
523 this.flushVideoFile(this.currentVideoFile, true)
524 this.torrent = null
525
526 // Enable error display now this is our last fallback
527 this.player.one('error', () => this.player.peertube().displayFatalError())
528
529 const httpUrl = this.currentVideoFile.fileUrl
530 this.player.src = this.savePlayerSrcFunction
531 this.player.src(httpUrl)
532
533 this.selectAppropriateResolution(true)
534
535 // We changed the source, so reinit captions
536 this.player.trigger('sourcechange')
537
538 return this.tryToPlay(err => {
539 if (err && done) return done(err)
540
541 if (options.seek) this.seek(options.seek)
542 if (options.forcePlay === false && paused === true) this.player.pause()
543
544 if (done) return done()
545 })
546 }
547
548 private handleError (err: Error | string) {
549 return this.player.trigger('customError', { err })
550 }
551
552 private pickAverageVideoFile () {
553 if (this.videoFiles.length === 1) return this.videoFiles[0]
554
555 const files = this.videoFiles.filter(f => f.resolution.id !== 0)
556 return files[Math.floor(files.length / 2)]
557 }
558
559 private stopTorrent (torrent: WebTorrent.Torrent) {
560 torrent.pause()
561 // Pause does not remove actual peers (in particular the webseed peer)
562 torrent.removePeer(torrent['ws'])
563 }
564
565 private renderFileInFakeElement (file: WebTorrent.TorrentFile, delay: number) {
566 this.destroyingFakeRenderer = false
567
568 const fakeVideoElem = document.createElement('video')
569 renderVideo(file, fakeVideoElem, { autoplay: false, controls: false }, (err, renderer) => {
570 this.fakeRenderer = renderer
571
572 // The renderer returns an error when we destroy it, so skip them
573 if (this.destroyingFakeRenderer === false && err) {
574 console.error('Cannot render new torrent in fake video element.', err)
575 }
576
577 // Load the future file at the correct time (in delay MS - 2 seconds)
578 fakeVideoElem.currentTime = this.player.currentTime() + (delay - 2000)
579 })
580 }
581
582 private destroyFakeRenderer () {
583 if (this.fakeRenderer) {
584 this.destroyingFakeRenderer = true
585
586 if (this.fakeRenderer.destroy) {
587 try {
588 this.fakeRenderer.destroy()
589 } catch (err) {
590 console.log('Cannot destroy correctly fake renderer.', err)
591 }
592 }
593 this.fakeRenderer = undefined
594 }
595 }
596
597 private buildQualities () {
598 const resolutions: PeerTubeResolution[] = this.videoFiles.map(file => ({
599 id: file.resolution.id,
600 label: this.buildQualityLabel(file),
601 height: file.resolution.id,
602 selected: false,
603 selectCallback: () => this.changeQuality(file.resolution.id)
604 }))
605
606 resolutions.push({
607 id: -1,
608 label: this.player.localize('Auto'),
609 selected: true,
610 selectCallback: () => this.changeQuality(-1)
611 })
612
613 this.player.peertubeResolutions().add(resolutions)
614 }
615
616 private buildQualityLabel (file: VideoFile) {
617 let label = file.resolution.label
618
619 if (file.fps && file.fps >= 50) {
620 label += file.fps
621 }
622
623 return label
624 }
625
626 private selectAppropriateResolution (byEngine: boolean) {
627 const resolution = this.autoResolution
628 ? -1
629 : this.getCurrentResolutionId()
630
631 const autoResolutionChosen = this.autoResolution
632 ? this.getCurrentResolutionId()
633 : undefined
634
635 this.player.peertubeResolutions().select({ id: resolution, autoResolutionChosenId: autoResolutionChosen, byEngine })
636 }
637}
638
639videojs.registerPlugin('webtorrent', WebTorrentPlugin)
640export { WebTorrentPlugin }
generated by cgit v1.2.3 (git 2.25.1) at 2025-01-25 13:47:54 +0000