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134006b0 | 1 | import Hlsjs from 'hls.js' |
512decf3 | 2 | import videojs from 'video.js' |
3e254de8 C |
3 | import { Events, Segment } from '@peertube/p2p-media-loader-core' |
4 | import { Engine, initHlsJsPlayer, initVideoJsContribHlsJsPlayer } from '@peertube/p2p-media-loader-hlsjs' | |
15a7eafb | 5 | import { timeToInt } from '@shared/core-utils' |
57d65032 | 6 | import { P2PMediaLoaderPluginOptions, PlayerNetworkInfo } from '../../types' |
83fcadac | 7 | import { registerConfigPlugin, registerSourceHandler } from './hls-plugin' |
2adfc7ea | 8 | |
83fcadac C |
9 | registerConfigPlugin(videojs) |
10 | registerSourceHandler(videojs) | |
2adfc7ea | 11 | |
f5fcd9f7 | 12 | const Plugin = videojs.getPlugin('plugin') |
2adfc7ea C |
13 | class P2pMediaLoaderPlugin extends Plugin { |
14 | ||
3b6f205c C |
15 | private readonly CONSTANTS = { |
16 | INFO_SCHEDULER: 1000 // Don't change this | |
17 | } | |
09209296 | 18 | private readonly options: P2PMediaLoaderPluginOptions |
3b6f205c | 19 | |
83fcadac | 20 | private hlsjs: Hlsjs |
3b6f205c C |
21 | private p2pEngine: Engine |
22 | private statsP2PBytes = { | |
23 | pendingDownload: [] as number[], | |
24 | pendingUpload: [] as number[], | |
25 | numPeers: 0, | |
26 | totalDownload: 0, | |
27 | totalUpload: 0 | |
28 | } | |
09209296 C |
29 | private statsHTTPBytes = { |
30 | pendingDownload: [] as number[], | |
31 | pendingUpload: [] as number[], | |
32 | totalDownload: 0, | |
33 | totalUpload: 0 | |
34 | } | |
e2f01c47 | 35 | private startTime: number |
3b6f205c C |
36 | |
37 | private networkInfoInterval: any | |
38 | ||
7e37e111 | 39 | constructor (player: videojs.Player, options?: P2PMediaLoaderPluginOptions) { |
f5fcd9f7 | 40 | super(player) |
2adfc7ea | 41 | |
09209296 C |
42 | this.options = options |
43 | ||
f5fcd9f7 C |
44 | // FIXME: typings https://github.com/Microsoft/TypeScript/issues/14080 |
45 | if (!(videojs as any).Html5Hlsjs) { | |
69a01996 | 46 | console.warn('HLS.js does not seem to be supported. Try to fallback to built in HLS.') |
96cb4527 | 47 | |
69a01996 C |
48 | if (!player.canPlayType('application/vnd.apple.mpegurl')) { |
49 | const message = 'Cannot fallback to built-in HLS' | |
50 | console.warn(message) | |
96cb4527 | 51 | |
69a01996 C |
52 | player.ready(() => player.trigger('error', new Error(message))) |
53 | return | |
54 | } | |
55 | } else { | |
56 | // FIXME: typings https://github.com/Microsoft/TypeScript/issues/14080 | |
57 | (videojs as any).Html5Hlsjs.addHook('beforeinitialize', (videojsPlayer: any, hlsjs: any) => { | |
58 | this.hlsjs = hlsjs | |
59 | }) | |
3b6f205c | 60 | |
69a01996 C |
61 | initVideoJsContribHlsJsPlayer(player) |
62 | } | |
2adfc7ea | 63 | |
e2f01c47 C |
64 | this.startTime = timeToInt(options.startTime) |
65 | ||
2adfc7ea C |
66 | player.src({ |
67 | type: options.type, | |
68 | src: options.src | |
69 | }) | |
09209296 | 70 | |
69a01996 C |
71 | player.ready(() => { |
72 | this.initializeCore() | |
6ec0b75b | 73 | |
69a01996 C |
74 | if ((videojs as any).Html5Hlsjs) { |
75 | this.initializePlugin() | |
76 | } | |
77 | }) | |
2adfc7ea C |
78 | } |
79 | ||
3b6f205c | 80 | dispose () { |
6ec0b75b C |
81 | if (this.hlsjs) this.hlsjs.destroy() |
82 | if (this.p2pEngine) this.p2pEngine.destroy() | |
83 | ||
3b6f205c C |
84 | clearInterval(this.networkInfoInterval) |
85 | } | |
86 | ||
4e11d8f3 | 87 | getCurrentLevel () { |
3e254de8 | 88 | return this.hlsjs.levels[this.hlsjs.currentLevel] |
4e11d8f3 C |
89 | } |
90 | ||
91 | getLiveLatency () { | |
02b2e482 | 92 | return Math.round(this.hlsjs.latency) |
4e11d8f3 C |
93 | } |
94 | ||
6377a9f2 C |
95 | getHLSJS () { |
96 | return this.hlsjs | |
97 | } | |
98 | ||
69a01996 C |
99 | private initializeCore () { |
100 | this.player.one('play', () => { | |
101 | this.player.addClass('vjs-has-big-play-button-clicked') | |
102 | }) | |
103 | ||
104 | this.player.one('canplay', () => { | |
105 | if (this.startTime) { | |
106 | this.player.currentTime(this.startTime) | |
107 | } | |
108 | }) | |
109 | } | |
110 | ||
111 | private initializePlugin () { | |
09209296 C |
112 | initHlsJsPlayer(this.hlsjs) |
113 | ||
9597920e | 114 | this.p2pEngine = this.options.loader.getEngine() |
3b6f205c | 115 | |
da332417 | 116 | this.p2pEngine.on(Events.SegmentError, (segment: Segment, err) => { |
09209296 | 117 | console.error('Segment error.', segment, err) |
da332417 | 118 | |
b82df0a3 | 119 | this.options.redundancyUrlManager.removeBySegmentUrl(segment.requestUrl) |
09209296 C |
120 | }) |
121 | ||
da332417 | 122 | this.statsP2PBytes.numPeers = 1 + this.options.redundancyUrlManager.countBaseUrls() |
09209296 | 123 | |
3b6f205c C |
124 | this.runStats() |
125 | } | |
126 | ||
127 | private runStats () { | |
3e254de8 | 128 | this.p2pEngine.on(Events.PieceBytesDownloaded, (method: string, _segment, bytes: number) => { |
09209296 C |
129 | const elem = method === 'p2p' ? this.statsP2PBytes : this.statsHTTPBytes |
130 | ||
3e254de8 C |
131 | elem.pendingDownload.push(bytes) |
132 | elem.totalDownload += bytes | |
3b6f205c C |
133 | }) |
134 | ||
3e254de8 | 135 | this.p2pEngine.on(Events.PieceBytesUploaded, (method: string, _segment, bytes: number) => { |
09209296 C |
136 | const elem = method === 'p2p' ? this.statsP2PBytes : this.statsHTTPBytes |
137 | ||
3e254de8 C |
138 | elem.pendingUpload.push(bytes) |
139 | elem.totalUpload += bytes | |
3b6f205c C |
140 | }) |
141 | ||
142 | this.p2pEngine.on(Events.PeerConnect, () => this.statsP2PBytes.numPeers++) | |
143 | this.p2pEngine.on(Events.PeerClose, () => this.statsP2PBytes.numPeers--) | |
144 | ||
145 | this.networkInfoInterval = setInterval(() => { | |
09209296 C |
146 | const p2pDownloadSpeed = this.arraySum(this.statsP2PBytes.pendingDownload) |
147 | const p2pUploadSpeed = this.arraySum(this.statsP2PBytes.pendingUpload) | |
148 | ||
149 | const httpDownloadSpeed = this.arraySum(this.statsHTTPBytes.pendingDownload) | |
150 | const httpUploadSpeed = this.arraySum(this.statsHTTPBytes.pendingUpload) | |
3b6f205c C |
151 | |
152 | this.statsP2PBytes.pendingDownload = [] | |
153 | this.statsP2PBytes.pendingUpload = [] | |
09209296 C |
154 | this.statsHTTPBytes.pendingDownload = [] |
155 | this.statsHTTPBytes.pendingUpload = [] | |
3b6f205c C |
156 | |
157 | return this.player.trigger('p2pInfo', { | |
17152837 | 158 | source: 'p2p-media-loader', |
09209296 C |
159 | http: { |
160 | downloadSpeed: httpDownloadSpeed, | |
161 | uploadSpeed: httpUploadSpeed, | |
162 | downloaded: this.statsHTTPBytes.totalDownload, | |
163 | uploaded: this.statsHTTPBytes.totalUpload | |
164 | }, | |
3b6f205c | 165 | p2p: { |
09209296 C |
166 | downloadSpeed: p2pDownloadSpeed, |
167 | uploadSpeed: p2pUploadSpeed, | |
3b6f205c C |
168 | numPeers: this.statsP2PBytes.numPeers, |
169 | downloaded: this.statsP2PBytes.totalDownload, | |
170 | uploaded: this.statsP2PBytes.totalUpload | |
4e11d8f3 C |
171 | }, |
172 | bandwidthEstimate: (this.hlsjs as any).bandwidthEstimate / 8 | |
3b6f205c C |
173 | } as PlayerNetworkInfo) |
174 | }, this.CONSTANTS.INFO_SCHEDULER) | |
175 | } | |
09209296 C |
176 | |
177 | private arraySum (data: number[]) { | |
178 | return data.reduce((a: number, b: number) => a + b, 0) | |
179 | } | |
2adfc7ea C |
180 | } |
181 | ||
182 | videojs.registerPlugin('p2pMediaLoader', P2pMediaLoaderPlugin) | |
183 | export { P2pMediaLoaderPlugin } |