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 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#pragma once
30
31#include "FloatPoint3D.h"
32#include <wtf/Ref.h>
33#include <wtf/RefCounted.h>
34
35namespace WebCore {
36
37// AudioListener maintains the state of the listener in the audio scene as defined in the OpenAL specification.
38
39class AudioListener final : public RefCounted<AudioListener> {
40public:
41 static Ref<AudioListener> create()
42 {
43 return adoptRef(*new AudioListener);
44 }
45
46 // Position
47 void setPosition(float x, float y, float z) { setPosition(FloatPoint3D(x, y, z)); }
48 void setPosition(const FloatPoint3D &position) { m_position = position; }
49 const FloatPoint3D& position() const { return m_position; }
50
51 // Orientation
52 void setOrientation(float x, float y, float z, float upX, float upY, float upZ)
53 {
54 setOrientation(FloatPoint3D(x, y, z));
55 setUpVector(FloatPoint3D(upX, upY, upZ));
56 }
57 void setOrientation(const FloatPoint3D &orientation) { m_orientation = orientation; }
58 const FloatPoint3D& orientation() const { return m_orientation; }
59
60 // Up-vector
61 void setUpVector(const FloatPoint3D &upVector) { m_upVector = upVector; }
62 const FloatPoint3D& upVector() const { return m_upVector; }
63
64 // Velocity
65 void setVelocity(float x, float y, float z) { setVelocity(FloatPoint3D(x, y, z)); }
66 void setVelocity(const FloatPoint3D &velocity) { m_velocity = velocity; }
67 const FloatPoint3D& velocity() const { return m_velocity; }
68
69 // Doppler factor
70 void setDopplerFactor(double dopplerFactor) { m_dopplerFactor = dopplerFactor; }
71 double dopplerFactor() const { return m_dopplerFactor; }
72
73 // Speed of sound
74 void setSpeedOfSound(double speedOfSound) { m_speedOfSound = speedOfSound; }
75 double speedOfSound() const { return m_speedOfSound; }
76
77private:
78 AudioListener();
79
80 // Position / Orientation
81 FloatPoint3D m_position;
82 FloatPoint3D m_orientation;
83 FloatPoint3D m_upVector;
84
85 FloatPoint3D m_velocity;
86
87 double m_dopplerFactor;
88 double m_speedOfSound;
89};
90
91} // namespace WebCore
92