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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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31 #include "platform/audio/Panner.h" | 31 #include "platform/audio/Panner.h" |
32 | 32 |
33 namespace blink { | 33 namespace blink { |
34 | 34 |
35 class PLATFORM_EXPORT HRTFPanner FINAL : public Panner { | 35 class PLATFORM_EXPORT HRTFPanner FINAL : public Panner { |
36 public: | 36 public: |
37 HRTFPanner(float sampleRate, HRTFDatabaseLoader*); | 37 HRTFPanner(float sampleRate, HRTFDatabaseLoader*); |
38 virtual ~HRTFPanner(); | 38 virtual ~HRTFPanner(); |
39 | 39 |
40 // Panner | 40 // Panner |
41 virtual void pan(double azimuth, double elevation, const AudioBus* inputBus,
AudioBus* outputBus, size_t framesToProcess) OVERRIDE; | 41 virtual void pan(double azimuth, double elevation, const AudioBus* inputBus,
AudioBus* outputBus, size_t framesToProcess) override; |
42 virtual void reset() OVERRIDE; | 42 virtual void reset() override; |
43 | 43 |
44 size_t fftSize() const { return fftSizeForSampleRate(m_sampleRate); } | 44 size_t fftSize() const { return fftSizeForSampleRate(m_sampleRate); } |
45 static size_t fftSizeForSampleRate(float sampleRate); | 45 static size_t fftSizeForSampleRate(float sampleRate); |
46 | 46 |
47 float sampleRate() const { return m_sampleRate; } | 47 float sampleRate() const { return m_sampleRate; } |
48 | 48 |
49 virtual double tailTime() const OVERRIDE; | 49 virtual double tailTime() const override; |
50 virtual double latencyTime() const OVERRIDE; | 50 virtual double latencyTime() const override; |
51 | 51 |
52 virtual void trace(Visitor*) OVERRIDE; | 52 virtual void trace(Visitor*) override; |
53 | 53 |
54 private: | 54 private: |
55 // Given an azimuth angle in the range -180 -> +180, returns the correspondi
ng azimuth index for the database, | 55 // Given an azimuth angle in the range -180 -> +180, returns the correspondi
ng azimuth index for the database, |
56 // and azimuthBlend which is an interpolation value from 0 -> 1. | 56 // and azimuthBlend which is an interpolation value from 0 -> 1. |
57 int calculateDesiredAzimuthIndexAndBlend(double azimuth, double& azimuthBlen
d); | 57 int calculateDesiredAzimuthIndexAndBlend(double azimuth, double& azimuthBlen
d); |
58 | 58 |
59 Member<HRTFDatabaseLoader> m_databaseLoader; | 59 Member<HRTFDatabaseLoader> m_databaseLoader; |
60 | 60 |
61 float m_sampleRate; | 61 float m_sampleRate; |
62 | 62 |
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102 | 102 |
103 AudioFloatArray m_tempL1; | 103 AudioFloatArray m_tempL1; |
104 AudioFloatArray m_tempR1; | 104 AudioFloatArray m_tempR1; |
105 AudioFloatArray m_tempL2; | 105 AudioFloatArray m_tempL2; |
106 AudioFloatArray m_tempR2; | 106 AudioFloatArray m_tempR2; |
107 }; | 107 }; |
108 | 108 |
109 } // namespace blink | 109 } // namespace blink |
110 | 110 |
111 #endif // HRTFPanner_h | 111 #endif // HRTFPanner_h |
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