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});var _Metrics=require('../vo/Metrics');var _Metrics2=_interopRequireDefault(_Metrics);var _Range=require('../vo/Range');var _Range2=_interopRequireDefault(_Range);var _Reporting=require('../vo/Reporting');var _Reporting2=_interopRequireDefault(_Reporting);function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{default:obj};}function ManifestParsing(config){config=config||{};var instance=void 0;var adapter=config.adapter;var constants=config.constants;function getMetricsRangeStartTime(manifest,dynamic,range){var mpd=adapter.getMpd(manifest);var voPeriods=void 0,reportingStartTime=void 0;var presentationStartTime=0;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=adapter.getAvailabilityStartTime(mpd)/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=adapter.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&&manifest.Metrics_asArray){manifest.Metrics_asArray.forEach(function(metric){var metricEntry=new _Metrics2.default();var isDynamic=adapter.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 _Range2.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=adapter.getDuration(manifest);}rangeEntry._useWallClockTime=isDynamic;metricEntry.Range.push(rangeEntry);});}if(metric.Reporting_asArray){metric.Reporting_asArray.forEach(function(reporting){var reportingEntry=new _Reporting2.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 */
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