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 * 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of 14 * its contributors may be used to endorse or promote products derived 15 * from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY 18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 20 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY 21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #ifndef AudioListener_h 30 #define AudioListener_h 31 32 #include "FloatPoint3D.h" 33 #include <wtf/PassRefPtr.h> 34 #include <wtf/RefCounted.h> 35 36 namespace WebCore { 37 38 // AudioListener maintains the state of the listener in the audio scene as defined in the OpenAL specification. 39 40 class AudioListener : public RefCounted<AudioListener> { 41 public: 42 static PassRefPtr<AudioListener> create() 43 { 44 return adoptRef(new AudioListener()); 45 } 46 47 // Position 48 void setPosition(double x, double y, double z) { setPosition(FloatPoint3D(x, y, z)); } 49 void setPosition(const FloatPoint3D &position) { m_position = position; } 50 const FloatPoint3D& position() const { return m_position; } 51 52 // Orientation 53 void setOrientation(double x, double y, double z, double upX, double upY, double upZ) 54 { 55 setOrientation(FloatPoint3D(x, y, z)); 56 setUpVector(FloatPoint3D(upX, upY, upZ)); 57 } 58 void setOrientation(const FloatPoint3D &orientation) { m_orientation = orientation; } 59 const FloatPoint3D& orientation() const { return m_orientation; } 60 61 // Up-vector 62 void setUpVector(const FloatPoint3D &upVector) { m_upVector = upVector; } 63 const FloatPoint3D& upVector() const { return m_upVector; } 64 65 // Velocity 66 void setVelocity(double x, double y, double z) { setVelocity(FloatPoint3D(x, y, z)); } 67 void setVelocity(const FloatPoint3D &velocity) { m_velocity = velocity; } 68 const FloatPoint3D& velocity() const { return m_velocity; } 69 70 // Doppler factor 71 void setDopplerFactor(double dopplerFactor) { m_dopplerFactor = dopplerFactor; } 72 double dopplerFactor() const { return m_dopplerFactor; } 73 74 // Speed of sound 75 void setSpeedOfSound(double speedOfSound) { m_speedOfSound = speedOfSound; } 76 double speedOfSound() const { return m_speedOfSound; } 77 78 private: 79 AudioListener(); 80 81 // Position / Orientation 82 FloatPoint3D m_position; 83 FloatPoint3D m_orientation; 84 FloatPoint3D m_upVector; 85 86 FloatPoint3D m_velocity; 87 88 double m_dopplerFactor; 89 double m_speedOfSound; 90 }; 91 92 } // WebCore 93 94 #endif // AudioListener_h 95
