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 /* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

 /* This Source Code Form is subject to the terms of the Mozilla Public

  * License, v. 2.0. If a copy of the MPL was not distributed with this file,

  * You can obtain one at http://mozilla.org/MPL/2.0/.

  *

  * The origin of this IDL file is

  * https://dvcs.w3.org/hg/audio/raw-file/tip/webaudio/specification.html

  *

  * Copyright © 2012 W3C® (MIT, ERCIM, Keio), All Rights Reserved. W3C

  * liability, trademark and document use rules apply.

  */

 interface AudioListener {

     // same as OpenAL (default 1) 

     attribute double dopplerFactor;

     // in meters / second (default 343.3) 

     attribute double speedOfSound;

     // Uses a 3D cartesian coordinate system 

     void setPosition(double x, double y, double z);

     void setOrientation(double x, double y, double z, double xUp, double yUp, double zUp);

     void setVelocity(double x, double y, double z);

 };