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update components

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This commit is contained in:
Luke Pulverenti 2016-06-25 02:04:53 -04:00
parent 2d86f49653
commit ab58f98cc1
27 changed files with 276 additions and 129 deletions
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20
dashboard-ui/bower_components/hls.js/src/controller/ewma-bandwidth-estimator.js vendored
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@ -11,29 +11,23 @@ import EWMA from '../utils/ewma';
class EwmaBandWidthEstimator {
constructor(hls) {
constructor(hls,slow,fast) {
this.hls = hls;
this.defaultEstimate_ = 5e5; // 500kbps
this.minWeight_ = 0.001;
this.minDelayMs_ = 50;
this.slow_ = new EWMA(slow);
this.fast_ = new EWMA(fast);
}
sample(durationMs,numBytes) {
durationMs = Math.max(durationMs, this.minDelayMs_);
var bandwidth = 8000* numBytes / durationMs;
var bandwidth = 8000* numBytes / durationMs,
//console.log('instant bw:'+ Math.round(bandwidth));
// we weight sample using loading duration....
var weigth = durationMs / 1000;
// lazy initialization. this allows to take into account config param changes that could happen after Hls instantiation,
// but before first fragment loading. this is useful to A/B tests those params
if(!this.fast_) {
let config = this.hls.config;
this.fast_ = new EWMA(config.abrEwmaFast);
this.slow_ = new EWMA(config.abrEwmaSlow);
}
this.fast_.sample(weigth,bandwidth);
this.slow_.sample(weigth,bandwidth);
weight = durationMs / 1000;
this.fast_.sample(weight,bandwidth);
this.slow_.sample(weight,bandwidth);
}