@l5i/dashjs
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A reference client implementation for the playback of MPEG DASH via Javascript and compliant browsers.
36 lines (35 loc) • 3.87 kB
JavaScript
/**
* The copyright in this software is being made available under the BSD License,
* included below. This software may be subject to other third party and contributor
* rights, including patent rights, and no such rights are granted under this license.
*
* Copyright (c) 2013, Dash Industry Forum.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation and/or
* other materials provided with the distribution.
* * Neither the name of Dash Industry Forum nor the names of its
* contributors may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS AS IS AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/'use strict';Object.defineProperty(exports,'__esModule',{value:true});function _interopRequireDefault(obj){return obj && obj.__esModule?obj:{'default':obj};}var _metricsMetricsHandlerFactory=require('../metrics/MetricsHandlerFactory');var _metricsMetricsHandlerFactory2=_interopRequireDefault(_metricsMetricsHandlerFactory);function MetricsHandlersController(config){config = config || {};var handlers=[];var instance=undefined;var context=this.context;var eventBus=config.eventBus;var Events=config.events;var metricsHandlerFactory=(0,_metricsMetricsHandlerFactory2['default'])(context).getInstance({debug:config.debug,eventBus:config.eventBus,metricsConstants:config.metricsConstants});function handle(e){handlers.forEach(function(handler){handler.handleNewMetric(e.metric,e.value,e.mediaType);});}function initialize(metrics,reportingController){metrics.split(',').forEach(function(m,midx,ms){var handler=undefined; // there is a bug in ISO23009-1 where the metrics attribute
// is a comma-separated list but HttpList key can contain a
// comma enclosed by ().
if(m.indexOf('(') !== -1 && m.indexOf(')') === -1){var nextm=ms[midx + 1];if(nextm && nextm.indexOf('(') === -1 && nextm.indexOf(')') !== -1){m += ',' + nextm; // delete the next metric so forEach does not visit.
delete ms[midx + 1];}}handler = metricsHandlerFactory.create(m,reportingController);if(handler){handlers.push(handler);}});eventBus.on(Events.METRIC_ADDED,handle,instance);eventBus.on(Events.METRIC_UPDATED,handle,instance);}function reset(){eventBus.off(Events.METRIC_ADDED,handle,instance);eventBus.off(Events.METRIC_UPDATED,handle,instance);handlers.forEach(function(handler){return handler.reset();});handlers = [];}instance = {initialize:initialize,reset:reset};return instance;}MetricsHandlersController.__dashjs_factory_name = 'MetricsHandlersController';exports['default'] = dashjs.FactoryMaker.getClassFactory(MetricsHandlersController); /* jshint ignore:line */module.exports = exports['default'];
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