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// FIXME: something weird with our path definition in tsconfig and typings
// @ts-ignore
import * as videojs from 'video.js'
import { P2PMediaLoaderPluginOptions, PlayerNetworkInfo, VideoJSComponentInterface } from './peertube-videojs-typings'
// videojs-hlsjs-plugin needs videojs in window
window['videojs'] = videojs
require('@streamroot/videojs-hlsjs-plugin')
import { Engine, initVideoJsContribHlsJsPlayer } from 'p2p-media-loader-hlsjs'
import { Events } from 'p2p-media-loader-core'
const Plugin: VideoJSComponentInterface = videojs.getPlugin('plugin')
class P2pMediaLoaderPlugin extends Plugin {
private readonly CONSTANTS = {
INFO_SCHEDULER: 1000 // Don't change this
}
private hlsjs: any // Don't type hlsjs to not bundle the module
private p2pEngine: Engine
private statsP2PBytes = {
pendingDownload: [] as number[],
pendingUpload: [] as number[],
numPeers: 0,
totalDownload: 0,
totalUpload: 0
}
private networkInfoInterval: any
constructor (player: videojs.Player, options: P2PMediaLoaderPluginOptions) {
super(player, options)
videojs.Html5Hlsjs.addHook('beforeinitialize', (videojsPlayer: any, hlsjs: any) => {
this.hlsjs = hlsjs
this.initialize()
})
initVideoJsContribHlsJsPlayer(player)
player.src({
type: options.type,
src: options.src
})
}
dispose () {
clearInterval(this.networkInfoInterval)
}
private initialize () {
this.p2pEngine = this.player.tech_.options_.hlsjsConfig.loader.getEngine()
// Avoid using constants to not import hls.hs
// https://github.com/video-dev/hls.js/blob/master/src/events.js#L37
this.hlsjs.on('hlsLevelSwitching', (_: any, data: any) => {
this.trigger('resolutionChange', { auto: this.hlsjs.autoLevelEnabled, resolutionId: data.height })
})
this.runStats()
}
private runStats () {
this.p2pEngine.on(Events.PieceBytesDownloaded, (method: string, size: number) => {
if (method === 'p2p') {
this.statsP2PBytes.pendingDownload.push(size)
this.statsP2PBytes.totalDownload += size
}
})
this.p2pEngine.on(Events.PieceBytesUploaded, (method: string, size: number) => {
if (method === 'p2p') {
this.statsP2PBytes.pendingUpload.push(size)
this.statsP2PBytes.totalUpload += size
}
})
this.p2pEngine.on(Events.PeerConnect, () => this.statsP2PBytes.numPeers++)
this.p2pEngine.on(Events.PeerClose, () => this.statsP2PBytes.numPeers--)
this.networkInfoInterval = setInterval(() => {
let downloadSpeed = this.statsP2PBytes.pendingDownload.reduce((a: number, b: number) => a + b, 0)
let uploadSpeed = this.statsP2PBytes.pendingUpload.reduce((a: number, b: number) => a + b, 0)
this.statsP2PBytes.pendingDownload = []
this.statsP2PBytes.pendingUpload = []
return this.player.trigger('p2pInfo', {
p2p: {
downloadSpeed,
uploadSpeed,
numPeers: this.statsP2PBytes.numPeers,
downloaded: this.statsP2PBytes.totalDownload,
uploaded: this.statsP2PBytes.totalUpload
}
} as PlayerNetworkInfo)
}, this.CONSTANTS.INFO_SCHEDULER)
}
}
videojs.registerPlugin('p2pMediaLoader', P2pMediaLoaderPlugin)
export { P2pMediaLoaderPlugin }
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