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Side by Side Diff: third_party/WebKit/Source/modules/webaudio/PannerNode.h

Issue 1865583002: Implement BaseAudioContext (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 4 years, 8 months ago
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1 /* 1 /*
2 * Copyright (C) 2010, Google Inc. All rights reserved. 2 * Copyright (C) 2010, Google Inc. All rights reserved.
3 * 3 *
4 * Redistribution and use in source and binary forms, with or without 4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions 5 * modification, are permitted provided that the following conditions
6 * are met: 6 * are met:
7 * 1. Redistributions of source code must retain the above copyright 7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer. 8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright 9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the 10 * notice, this list of conditions and the following disclaimer in the
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29 #include "modules/webaudio/AudioNode.h" 29 #include "modules/webaudio/AudioNode.h"
30 #include "platform/audio/AudioBus.h" 30 #include "platform/audio/AudioBus.h"
31 #include "platform/audio/Cone.h" 31 #include "platform/audio/Cone.h"
32 #include "platform/audio/Distance.h" 32 #include "platform/audio/Distance.h"
33 #include "platform/audio/Panner.h" 33 #include "platform/audio/Panner.h"
34 #include "platform/geometry/FloatPoint3D.h" 34 #include "platform/geometry/FloatPoint3D.h"
35 #include "wtf/HashMap.h" 35 #include "wtf/HashMap.h"
36 36
37 namespace blink { 37 namespace blink {
38 38
39 class AbstractAudioContext; 39 class BaseAudioContext;
40 40
41 // PannerNode is an AudioNode with one input and one output. 41 // PannerNode is an AudioNode with one input and one output.
42 // It positions a sound in 3D space, with the exact effect dependent on the pann ing model. 42 // It positions a sound in 3D space, with the exact effect dependent on the pann ing model.
43 // It has a position and an orientation in 3D space which is relative to the pos ition and orientation of the context's AudioListener. 43 // It has a position and an orientation in 3D space which is relative to the pos ition and orientation of the context's AudioListener.
44 // A distance effect will attenuate the gain as the position moves away from the listener. 44 // A distance effect will attenuate the gain as the position moves away from the listener.
45 // A cone effect will attenuate the gain as the orientation moves away from the listener. 45 // A cone effect will attenuate the gain as the orientation moves away from the listener.
46 // All of these effects follow the OpenAL specification very closely. 46 // All of these effects follow the OpenAL specification very closely.
47 47
48 class PannerHandler final : public AudioHandler { 48 class PannerHandler final : public AudioHandler {
49 public: 49 public:
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95 void markPannerAsDirty(unsigned); 95 void markPannerAsDirty(unsigned);
96 96
97 double tailTime() const override { return m_panner ? m_panner->tailTime() : 0; } 97 double tailTime() const override { return m_panner ? m_panner->tailTime() : 0; }
98 double latencyTime() const override { return m_panner ? m_panner->latencyTim e() : 0; } 98 double latencyTime() const override { return m_panner ? m_panner->latencyTim e() : 0; }
99 99
100 void setChannelCount(unsigned long, ExceptionState&) final; 100 void setChannelCount(unsigned long, ExceptionState&) final;
101 void setChannelCountMode(const String&, ExceptionState&) final; 101 void setChannelCountMode(const String&, ExceptionState&) final;
102 102
103 private: 103 private:
104 PannerHandler(AudioNode&, float sampleRate); 104 PannerHandler(AudioNode&, float sampleRate);
105 // AbstractAudioContext's listener 105 // BaseAudioContext's listener
106 AudioListener* listener(); 106 AudioListener* listener();
107 107
108 bool setPanningModel(unsigned); // Returns true on success. 108 bool setPanningModel(unsigned); // Returns true on success.
109 bool setDistanceModel(unsigned); // Returns true on success. 109 bool setDistanceModel(unsigned); // Returns true on success.
110 110
111 void calculateAzimuthElevation(double* outAzimuth, double* outElevation); 111 void calculateAzimuthElevation(double* outAzimuth, double* outElevation);
112 float calculateDistanceConeGain(); // Returns the combined distance and cone gain attenuation. 112 float calculateDistanceConeGain(); // Returns the combined distance and cone gain attenuation.
113 113
114 void azimuthElevation(double* outAzimuth, double* outElevation); 114 void azimuthElevation(double* outAzimuth, double* outElevation);
115 float distanceConeGain(); 115 float distanceConeGain();
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141 double m_cachedElevation; 141 double m_cachedElevation;
142 float m_cachedDistanceConeGain; 142 float m_cachedDistanceConeGain;
143 143
144 // Synchronize process() with setting of the panning model, source's locatio n information, listener, distance parameters and sound cones. 144 // Synchronize process() with setting of the panning model, source's locatio n information, listener, distance parameters and sound cones.
145 mutable Mutex m_processLock; 145 mutable Mutex m_processLock;
146 }; 146 };
147 147
148 class PannerNode final : public AudioNode { 148 class PannerNode final : public AudioNode {
149 DEFINE_WRAPPERTYPEINFO(); 149 DEFINE_WRAPPERTYPEINFO();
150 public: 150 public:
151 static PannerNode* create(AbstractAudioContext&, float sampleRate); 151 static PannerNode* create(BaseAudioContext&, float sampleRate);
152 PannerHandler& pannerHandler() const; 152 PannerHandler& pannerHandler() const;
153 153
154 String panningModel() const; 154 String panningModel() const;
155 void setPanningModel(const String&); 155 void setPanningModel(const String&);
156 void setPosition(float x, float y, float z); 156 void setPosition(float x, float y, float z);
157 void setOrientation(float x, float y, float z); 157 void setOrientation(float x, float y, float z);
158 void setVelocity(float x, float y, float z); 158 void setVelocity(float x, float y, float z);
159 String distanceModel() const; 159 String distanceModel() const;
160 void setDistanceModel(const String&); 160 void setDistanceModel(const String&);
161 double refDistance() const; 161 double refDistance() const;
162 void setRefDistance(double); 162 void setRefDistance(double);
163 double maxDistance() const; 163 double maxDistance() const;
164 void setMaxDistance(double); 164 void setMaxDistance(double);
165 double rolloffFactor() const; 165 double rolloffFactor() const;
166 void setRolloffFactor(double); 166 void setRolloffFactor(double);
167 double coneInnerAngle() const; 167 double coneInnerAngle() const;
168 void setConeInnerAngle(double); 168 void setConeInnerAngle(double);
169 double coneOuterAngle() const; 169 double coneOuterAngle() const;
170 void setConeOuterAngle(double); 170 void setConeOuterAngle(double);
171 double coneOuterGain() const; 171 double coneOuterGain() const;
172 void setConeOuterGain(double); 172 void setConeOuterGain(double);
173 173
174 private: 174 private:
175 PannerNode(AbstractAudioContext&, float sampleRate); 175 PannerNode(BaseAudioContext&, float sampleRate);
176 }; 176 };
177 177
178 } // namespace blink 178 } // namespace blink
179 179
180 #endif // PannerNode_h 180 #endif // PannerNode_h
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