@l5i/dashjs/build/es5/src/streaming/metrics/utils/ManifestParsing.js

A reference client implementation for the playback of MPEG DASH via Javascript and compliant browsers.

'use strict';Object.defineProperty(exports,'__esModule',{value:true});function _interopRequireDefault(obj){return obj && obj.__esModule?obj:{'default':obj};}var _voMetrics=require('../vo/Metrics');var _voMetrics2=_interopRequireDefault(_voMetrics);var _voRange=require('../vo/Range');var _voRange2=_interopRequireDefault(_voRange);var _voReporting=require('../vo/Reporting');var _voReporting2=_interopRequireDefault(_voReporting);function ManifestParsing(config){config = config || {};var instance=undefined;var dashManifestModel=config.dashManifestModel;var constants=config.constants;function getMetricsRangeStartTime(manifest,dynamic,range){var mpd=dashManifestModel.getMpd(manifest);var voPeriods;var presentationStartTime=0;var reportingStartTime;if(dynamic){ // For services with MPD@type='dynamic', the start time is
// indicated in wall clock time by adding the value of this
// attribute to the value of the MPD@availabilityStartTime
// attribute.
presentationStartTime = mpd.availabilityStartTime.getTime() / 1000;}else { // For services with MPD@type='static', the start time is indicated
// in Media Presentation time and is relative to the PeriodStart
// time of the first Period in this MPD.
voPeriods = this.getRegularPeriods(mpd);if(voPeriods.length){presentationStartTime = voPeriods[0].start;}} // When not present, DASH Metrics collection is
// requested from the beginning of content
// consumption.
reportingStartTime = presentationStartTime;if(range && range.hasOwnProperty(constants.START_TIME)){reportingStartTime += range.starttime;}return reportingStartTime;}function getMetrics(manifest){var metrics=[];if(manifest.Metrics_asArray){manifest.Metrics_asArray.forEach(function(metric){var metricEntry=new _voMetrics2['default']();var isDynamic=dashManifestModel.getIsDynamic(manifest);if(metric.hasOwnProperty('metrics')){metricEntry.metrics = metric.metrics;}else {return;}if(metric.Range_asArray){metric.Range_asArray.forEach(function(range){var rangeEntry=new _voRange2['default']();rangeEntry.starttime = getMetricsRangeStartTime(manifest,isDynamic,range);if(range.hasOwnProperty('duration')){rangeEntry.duration = range.duration;}else { // if not present, the value is identical to the
// Media Presentation duration.
rangeEntry.duration = dashManifestModel.getDuration(manifest);}rangeEntry._useWallClockTime = isDynamic;metricEntry.Range.push(rangeEntry);});}if(metric.Reporting_asArray){metric.Reporting_asArray.forEach(function(reporting){var reportingEntry=new _voReporting2['default']();if(reporting.hasOwnProperty(constants.SCHEME_ID_URI)){reportingEntry.schemeIdUri = reporting.schemeIdUri;}else { // Invalid Reporting. schemeIdUri must be set. Ignore.
return;}for(var prop in reporting) {if(reporting.hasOwnProperty(prop)){reportingEntry[prop] = reporting[prop];}}metricEntry.Reporting.push(reportingEntry);});}else { // Invalid Metrics. At least one reporting must be present. Ignore
return;}metrics.push(metricEntry);});}return metrics;}instance = {getMetrics:getMetrics};return instance;}ManifestParsing.__dashjs_factory_name = 'ManifestParsing';exports['default'] = dashjs.FactoryMaker.getSingletonFactory(ManifestParsing); /* jshint ignore:line */module.exports = exports['default'];
//# sourceMappingURL=ManifestParsing.js.map