text: /**
   * 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.
   */
  
  /**
   * Represents data structure to keep and drive {DataChunk}
   */
  
  import FactoryMaker from '../../core/FactoryMaker';
  
  function InitCache() {
  
      let data = {};
  
      function save (chunk) {
          const id = chunk.streamId;
          const representationId = chunk.representationId;
  
          data[id] = data[id] || {};
          data[id][representationId] = chunk;
      }
  
      function extract (streamId, representationId) {
          if (data && data[streamId] && data[streamId][representationId]) {
              return data[streamId][representationId];
          } else {
              return null;
          }
      }
  
  
      function reset () {
          data = {};
      }
  
      const instance = {
          save: save,
          extract: extract,
          reset: reset
      };
  
      return instance;
  }
  
  InitCache.__dashjs_factory_name = 'InitCache';
  export default FactoryMaker.getSingletonFactory(InitCache);
  