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Side by Side Diff: Source/modules/webaudio/BiquadDSPKernel.h

Issue 635233004: Replace FINAL and OVERRIDE with their C++11 counterparts in Source/modules (Closed) Base URL: https://chromium.googlesource.com/chromium/blink.git@master
Patch Set: Created 6 years, 2 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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28 #include "platform/audio/AudioDSPKernel.h" 28 #include "platform/audio/AudioDSPKernel.h"
29 #include "platform/audio/Biquad.h" 29 #include "platform/audio/Biquad.h"
30 #include "modules/webaudio/BiquadProcessor.h" 30 #include "modules/webaudio/BiquadProcessor.h"
31 31
32 namespace blink { 32 namespace blink {
33 33
34 class BiquadProcessor; 34 class BiquadProcessor;
35 35
36 // BiquadDSPKernel is an AudioDSPKernel and is responsible for filtering one cha nnel of a BiquadProcessor using a Biquad object. 36 // BiquadDSPKernel is an AudioDSPKernel and is responsible for filtering one cha nnel of a BiquadProcessor using a Biquad object.
37 37
38 class BiquadDSPKernel FINAL : public AudioDSPKernel { 38 class BiquadDSPKernel final : public AudioDSPKernel {
39 public: 39 public:
40 explicit BiquadDSPKernel(BiquadProcessor* processor) 40 explicit BiquadDSPKernel(BiquadProcessor* processor)
41 : AudioDSPKernel(processor) 41 : AudioDSPKernel(processor)
42 { 42 {
43 } 43 }
44 44
45 // AudioDSPKernel 45 // AudioDSPKernel
46 virtual void process(const float* source, float* dest, size_t framesToProces s) OVERRIDE; 46 virtual void process(const float* source, float* dest, size_t framesToProces s) override;
47 virtual void reset() OVERRIDE { m_biquad.reset(); } 47 virtual void reset() override { m_biquad.reset(); }
48 48
49 // Get the magnitude and phase response of the filter at the given 49 // Get the magnitude and phase response of the filter at the given
50 // set of frequencies (in Hz). The phase response is in radians. 50 // set of frequencies (in Hz). The phase response is in radians.
51 void getFrequencyResponse(int nFrequencies, 51 void getFrequencyResponse(int nFrequencies,
52 const float* frequencyHz, 52 const float* frequencyHz,
53 float* magResponse, 53 float* magResponse,
54 float* phaseResponse); 54 float* phaseResponse);
55 55
56 virtual double tailTime() const OVERRIDE; 56 virtual double tailTime() const override;
57 virtual double latencyTime() const OVERRIDE; 57 virtual double latencyTime() const override;
58 58
59 protected: 59 protected:
60 Biquad m_biquad; 60 Biquad m_biquad;
61 BiquadProcessor* biquadProcessor() { return static_cast<BiquadProcessor*>(pr ocessor()); } 61 BiquadProcessor* biquadProcessor() { return static_cast<BiquadProcessor*>(pr ocessor()); }
62 62
63 // To prevent audio glitches when parameters are changed, 63 // To prevent audio glitches when parameters are changed,
64 // dezippering is used to slowly change the parameters. 64 // dezippering is used to slowly change the parameters.
65 void updateCoefficientsIfNecessary(); 65 void updateCoefficientsIfNecessary();
66 // Update the biquad cofficients with the given parameters 66 // Update the biquad cofficients with the given parameters
67 void updateCoefficients(double frequency, double Q, double gain, double detu ne); 67 void updateCoefficients(double frequency, double Q, double gain, double detu ne);
68 68
69 private: 69 private:
70 // Synchronize process() with getting and setting the filter coefficients. 70 // Synchronize process() with getting and setting the filter coefficients.
71 mutable Mutex m_processLock; 71 mutable Mutex m_processLock;
72 }; 72 };
73 73
74 } // namespace blink 74 } // namespace blink
75 75
76 #endif // BiquadDSPKernel_h 76 #endif // BiquadDSPKernel_h
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