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512decf3 | 1 | import videojs from 'video.js' |
f5fcd9f7 | 2 | import { P2PMediaLoaderPluginOptions, PlayerNetworkInfo } from '../peertube-videojs-typings' |
09209296 | 3 | import { Engine, initHlsJsPlayer, initVideoJsContribHlsJsPlayer } from 'p2p-media-loader-hlsjs' |
da332417 | 4 | import { Events, Segment } from 'p2p-media-loader-core' |
e2f01c47 | 5 | import { timeToInt } from '../utils' |
83fcadac | 6 | import { registerConfigPlugin, registerSourceHandler } from './hls-plugin' |
fd69c52f | 7 | import * as Hlsjs from 'hls.js/dist/hls.light.js' |
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) { | |
96cb4527 C |
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 | ||
f5fcd9f7 C |
53 | // FIXME: typings https://github.com/Microsoft/TypeScript/issues/14080 |
54 | (videojs as any).Html5Hlsjs.addHook('beforeinitialize', (videojsPlayer: any, hlsjs: any) => { | |
3b6f205c | 55 | this.hlsjs = hlsjs |
3b6f205c C |
56 | }) |
57 | ||
58 | initVideoJsContribHlsJsPlayer(player) | |
2adfc7ea | 59 | |
e2f01c47 C |
60 | this.startTime = timeToInt(options.startTime) |
61 | ||
2adfc7ea C |
62 | player.src({ |
63 | type: options.type, | |
64 | src: options.src | |
65 | }) | |
09209296 | 66 | |
e2f01c47 | 67 | player.one('play', () => { |
6ec0b75b C |
68 | player.addClass('vjs-has-big-play-button-clicked') |
69 | }) | |
70 | ||
09209296 | 71 | player.ready(() => this.initialize()) |
2adfc7ea C |
72 | } |
73 | ||
3b6f205c | 74 | dispose () { |
6ec0b75b C |
75 | if (this.hlsjs) this.hlsjs.destroy() |
76 | if (this.p2pEngine) this.p2pEngine.destroy() | |
77 | ||
3b6f205c C |
78 | clearInterval(this.networkInfoInterval) |
79 | } | |
80 | ||
6377a9f2 C |
81 | getHLSJS () { |
82 | return this.hlsjs | |
83 | } | |
84 | ||
3b6f205c | 85 | private initialize () { |
09209296 C |
86 | initHlsJsPlayer(this.hlsjs) |
87 | ||
f5fcd9f7 C |
88 | // FIXME: typings |
89 | const options = this.player.tech(true).options_ as any | |
90 | this.p2pEngine = options.hlsjsConfig.loader.getEngine() | |
3b6f205c | 91 | |
83fcadac | 92 | this.hlsjs.on(Hlsjs.Events.LEVEL_SWITCHING, (_: any, data: any) => { |
3b6f205c C |
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) |
09209296 C |
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', () => { |
dfe4294a C |
107 | if (this.startTime) { |
108 | this.player.currentTime(this.startTime) | |
109 | } | |
dfe4294a | 110 | }) |
3b6f205c C |
111 | } |
112 | ||
113 | private runStats () { | |
114 | this.p2pEngine.on(Events.PieceBytesDownloaded, (method: string, size: number) => { | |
09209296 C |
115 | const elem = method === 'p2p' ? this.statsP2PBytes : this.statsHTTPBytes |
116 | ||
117 | elem.pendingDownload.push(size) | |
118 | elem.totalDownload += size | |
3b6f205c C |
119 | }) |
120 | ||
121 | this.p2pEngine.on(Events.PieceBytesUploaded, (method: string, size: number) => { | |
09209296 C |
122 | const elem = method === 'p2p' ? this.statsP2PBytes : this.statsHTTPBytes |
123 | ||
124 | elem.pendingUpload.push(size) | |
125 | elem.totalUpload += size | |
3b6f205c C |
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(() => { | |
09209296 C |
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) | |
3b6f205c C |
137 | |
138 | this.statsP2PBytes.pendingDownload = [] | |
139 | this.statsP2PBytes.pendingUpload = [] | |
09209296 C |
140 | this.statsHTTPBytes.pendingDownload = [] |
141 | this.statsHTTPBytes.pendingUpload = [] | |
3b6f205c C |
142 | |
143 | return this.player.trigger('p2pInfo', { | |
09209296 C |
144 | http: { |
145 | downloadSpeed: httpDownloadSpeed, | |
146 | uploadSpeed: httpUploadSpeed, | |
147 | downloaded: this.statsHTTPBytes.totalDownload, | |
148 | uploaded: this.statsHTTPBytes.totalUpload | |
149 | }, | |
3b6f205c | 150 | p2p: { |
09209296 C |
151 | downloadSpeed: p2pDownloadSpeed, |
152 | uploadSpeed: p2pUploadSpeed, | |
3b6f205c C |
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 | } | |
09209296 C |
160 | |
161 | private arraySum (data: number[]) { | |
162 | return data.reduce((a: number, b: number) => a + b, 0) | |
163 | } | |
2adfc7ea C |
164 | } |
165 | ||
166 | videojs.registerPlugin('p2pMediaLoader', P2pMediaLoaderPlugin) | |
167 | export { P2pMediaLoaderPlugin } |