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1 | // FIXME: something weird with our path definition in tsconfig and typings |
2 | // @ts-ignore | |
3 | import * as videojs from 'video.js' | |
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4 | import { P2PMediaLoaderPluginOptions, PlayerNetworkInfo, VideoJSComponentInterface } from '../peertube-videojs-typings' |
5 | import { Engine, initHlsJsPlayer, initVideoJsContribHlsJsPlayer } from 'p2p-media-loader-hlsjs' | |
da332417 | 6 | import { Events, Segment } from 'p2p-media-loader-core' |
e2f01c47 | 7 | import { timeToInt } from '../utils' |
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8 | |
9 | // videojs-hlsjs-plugin needs videojs in window | |
10 | window['videojs'] = videojs | |
4348a27d | 11 | require('@streamroot/videojs-hlsjs-plugin') |
2adfc7ea | 12 | |
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13 | const Plugin: VideoJSComponentInterface = videojs.getPlugin('plugin') |
14 | class P2pMediaLoaderPlugin extends Plugin { | |
15 | ||
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16 | private readonly CONSTANTS = { |
17 | INFO_SCHEDULER: 1000 // Don't change this | |
18 | } | |
09209296 | 19 | private readonly options: P2PMediaLoaderPluginOptions |
3b6f205c | 20 | |
4348a27d | 21 | private hlsjs: any // Don't type hlsjs to not bundle the module |
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22 | private p2pEngine: Engine |
23 | private statsP2PBytes = { | |
24 | pendingDownload: [] as number[], | |
25 | pendingUpload: [] as number[], | |
26 | numPeers: 0, | |
27 | totalDownload: 0, | |
28 | totalUpload: 0 | |
29 | } | |
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30 | private statsHTTPBytes = { |
31 | pendingDownload: [] as number[], | |
32 | pendingUpload: [] as number[], | |
33 | totalDownload: 0, | |
34 | totalUpload: 0 | |
35 | } | |
e2f01c47 | 36 | private startTime: number |
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37 | |
38 | private networkInfoInterval: any | |
39 | ||
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40 | constructor (player: videojs.Player, options: P2PMediaLoaderPluginOptions) { |
41 | super(player, options) | |
42 | ||
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43 | this.options = options |
44 | ||
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45 | if (!videojs.Html5Hlsjs) { |
46 | const message = 'HLS.js does not seem to be supported.' | |
47 | console.warn(message) | |
48 | ||
49 | player.ready(() => player.trigger('error', new Error(message))) | |
50 | return | |
51 | } | |
52 | ||
4348a27d | 53 | videojs.Html5Hlsjs.addHook('beforeinitialize', (videojsPlayer: any, hlsjs: any) => { |
3b6f205c | 54 | this.hlsjs = hlsjs |
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55 | }) |
56 | ||
57 | initVideoJsContribHlsJsPlayer(player) | |
2adfc7ea | 58 | |
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59 | this.startTime = timeToInt(options.startTime) |
60 | ||
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61 | player.src({ |
62 | type: options.type, | |
63 | src: options.src | |
64 | }) | |
09209296 | 65 | |
e2f01c47 | 66 | player.one('play', () => { |
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67 | player.addClass('vjs-has-big-play-button-clicked') |
68 | }) | |
69 | ||
09209296 | 70 | player.ready(() => this.initialize()) |
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71 | } |
72 | ||
3b6f205c | 73 | dispose () { |
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74 | if (this.hlsjs) this.hlsjs.destroy() |
75 | if (this.p2pEngine) this.p2pEngine.destroy() | |
76 | ||
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77 | clearInterval(this.networkInfoInterval) |
78 | } | |
79 | ||
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80 | getHLSJS () { |
81 | return this.hlsjs | |
82 | } | |
83 | ||
3b6f205c | 84 | private initialize () { |
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85 | initHlsJsPlayer(this.hlsjs) |
86 | ||
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87 | const tech = this.player.tech_ |
88 | this.p2pEngine = tech.options_.hlsjsConfig.loader.getEngine() | |
3b6f205c | 89 | |
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90 | // Avoid using constants to not import hls.hs |
91 | // https://github.com/video-dev/hls.js/blob/master/src/events.js#L37 | |
92 | this.hlsjs.on('hlsLevelSwitching', (_: any, data: any) => { | |
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93 | this.trigger('resolutionChange', { auto: this.hlsjs.autoLevelEnabled, resolutionId: data.height }) |
94 | }) | |
95 | ||
da332417 | 96 | this.p2pEngine.on(Events.SegmentError, (segment: Segment, err) => { |
09209296 | 97 | console.error('Segment error.', segment, err) |
da332417 | 98 | |
b82df0a3 | 99 | this.options.redundancyUrlManager.removeBySegmentUrl(segment.requestUrl) |
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100 | }) |
101 | ||
da332417 | 102 | this.statsP2PBytes.numPeers = 1 + this.options.redundancyUrlManager.countBaseUrls() |
09209296 | 103 | |
3b6f205c | 104 | this.runStats() |
e2f01c47 | 105 | |
e028d983 | 106 | this.player.one('canplay', () => { |
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107 | if (this.startTime) { |
108 | this.player.currentTime(this.startTime) | |
109 | } | |
dfe4294a | 110 | }) |
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111 | } |
112 | ||
113 | private runStats () { | |
114 | this.p2pEngine.on(Events.PieceBytesDownloaded, (method: string, size: number) => { | |
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115 | const elem = method === 'p2p' ? this.statsP2PBytes : this.statsHTTPBytes |
116 | ||
117 | elem.pendingDownload.push(size) | |
118 | elem.totalDownload += size | |
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119 | }) |
120 | ||
121 | this.p2pEngine.on(Events.PieceBytesUploaded, (method: string, size: number) => { | |
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122 | const elem = method === 'p2p' ? this.statsP2PBytes : this.statsHTTPBytes |
123 | ||
124 | elem.pendingUpload.push(size) | |
125 | elem.totalUpload += size | |
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126 | }) |
127 | ||
128 | this.p2pEngine.on(Events.PeerConnect, () => this.statsP2PBytes.numPeers++) | |
129 | this.p2pEngine.on(Events.PeerClose, () => this.statsP2PBytes.numPeers--) | |
130 | ||
131 | this.networkInfoInterval = setInterval(() => { | |
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132 | const p2pDownloadSpeed = this.arraySum(this.statsP2PBytes.pendingDownload) |
133 | const p2pUploadSpeed = this.arraySum(this.statsP2PBytes.pendingUpload) | |
134 | ||
135 | const httpDownloadSpeed = this.arraySum(this.statsHTTPBytes.pendingDownload) | |
136 | const httpUploadSpeed = this.arraySum(this.statsHTTPBytes.pendingUpload) | |
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137 | |
138 | this.statsP2PBytes.pendingDownload = [] | |
139 | this.statsP2PBytes.pendingUpload = [] | |
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140 | this.statsHTTPBytes.pendingDownload = [] |
141 | this.statsHTTPBytes.pendingUpload = [] | |
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142 | |
143 | return this.player.trigger('p2pInfo', { | |
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144 | http: { |
145 | downloadSpeed: httpDownloadSpeed, | |
146 | uploadSpeed: httpUploadSpeed, | |
147 | downloaded: this.statsHTTPBytes.totalDownload, | |
148 | uploaded: this.statsHTTPBytes.totalUpload | |
149 | }, | |
3b6f205c | 150 | p2p: { |
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151 | downloadSpeed: p2pDownloadSpeed, |
152 | uploadSpeed: p2pUploadSpeed, | |
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153 | numPeers: this.statsP2PBytes.numPeers, |
154 | downloaded: this.statsP2PBytes.totalDownload, | |
155 | uploaded: this.statsP2PBytes.totalUpload | |
156 | } | |
157 | } as PlayerNetworkInfo) | |
158 | }, this.CONSTANTS.INFO_SCHEDULER) | |
159 | } | |
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160 | |
161 | private arraySum (data: number[]) { | |
162 | return data.reduce((a: number, b: number) => a + b, 0) | |
163 | } | |
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164 | } |
165 | ||
166 | videojs.registerPlugin('p2pMediaLoader', P2pMediaLoaderPlugin) | |
167 | export { P2pMediaLoaderPlugin } |