Home | History | Annotate | Download | only in webaudio
      1 /*
      2  * Copyright (C) 2010, Google Inc. All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions
      6  * are met:
      7  * 1.  Redistributions of source code must retain the above copyright
      8  *    notice, this list of conditions and the following disclaimer.
      9  * 2.  Redistributions in binary form must reproduce the above copyright
     10  *    notice, this list of conditions and the following disclaimer in the
     11  *    documentation and/or other materials provided with the distribution.
     12  *
     13  * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
     14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     15  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     16  * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
     17  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     18  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     19  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
     20  * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     21  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
     22  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     23  */
     24 
     25 module audio {
     26     interface [
     27         Conditional=WEB_AUDIO,
     28         GenerateConstructor,
     29         GenerateToJS
     30     ] AudioPannerNode : AudioNode {
     31         // Panning model
     32         const unsigned short EQUALPOWER = 0;
     33         const unsigned short HRTF = 1;
     34         const unsigned short SOUNDFIELD = 2;
     35 
     36         // Default model for stereo is HRTF
     37         attribute unsigned long panningModel; // FIXME: use unsigned short when glue generation supports it
     38 
     39         // Uses a 3D cartesian coordinate system
     40         void setPosition(in float x, in float y, in float z);
     41         void setOrientation(in float x, in float y, in float z);
     42         void setVelocity(in float x, in float y, in float z);
     43 
     44         // Distance model
     45         attribute unsigned long distanceModel; // FIXME: use unsigned short when glue generation supports it
     46         attribute float refDistance;
     47         attribute float maxDistance;
     48         attribute float rolloffFactor;
     49 
     50         // Directional sound cone
     51         attribute float coneInnerAngle;
     52         attribute float coneOuterAngle;
     53         attribute float coneOuterGain;
     54 
     55         // Dynamically calculated gain values
     56         readonly attribute AudioGain coneGain;
     57         readonly attribute AudioGain distanceGain;
     58     };
     59 }
     60