text: //  SDLAudioStreamingState.h
  //
  
  
  #import "SDLEnum.h"
  
  /**
   * Describes whether or not streaming audio is currently audible to the user. Though provided in every OnHMIStatus notification, this information is only relevant for applications that declare themselves as media apps in RegisterAppInterface
   *
   * @since SDL 1.0
   */
  typedef SDLEnum SDLAudioStreamingState SDL_SWIFT_ENUM;
  
  /**
   * @abstract Currently streaming audio, if any, is audible to user.
   */
  extern SDLAudioStreamingState const SDLAudioStreamingStateAudible;
  
  /**
   * @abstract Some kind of audio mixing is taking place. Currently streaming audio, if any, is audible to the user at a lowered volume.
   *
   * @since SDL 2.0
   */
  extern SDLAudioStreamingState const SDLAudioStreamingStateAttenuated;
  
  /**
   * @abstract Currently streaming audio, if any, is not audible to user. made via VR session.
   */
  extern SDLAudioStreamingState const SDLAudioStreamingStateNotAudible;
  