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

Issue 2420983002: AudioParams with automations must process timelines (Closed)
Patch Set: Use kRenderQuantumFrames. Created 4 years, 1 month 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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60 AudioParamHandler& gain, 60 AudioParamHandler& gain,
61 AudioParamHandler& detune); 61 AudioParamHandler& detune);
62 ~BiquadProcessor() override; 62 ~BiquadProcessor() override;
63 63
64 std::unique_ptr<AudioDSPKernel> createKernel() override; 64 std::unique_ptr<AudioDSPKernel> createKernel() override;
65 65
66 void process(const AudioBus* source, 66 void process(const AudioBus* source,
67 AudioBus* destination, 67 AudioBus* destination,
68 size_t framesToProcess) override; 68 size_t framesToProcess) override;
69 69
70 void processAudioParams(size_t framesToProcess) override;
71
70 // Get the magnitude and phase response of the filter at the given 72 // Get the magnitude and phase response of the filter at the given
71 // set of frequencies (in Hz). The phase response is in radians. 73 // set of frequencies (in Hz). The phase response is in radians.
72 void getFrequencyResponse(int nFrequencies, 74 void getFrequencyResponse(int nFrequencies,
73 const float* frequencyHz, 75 const float* frequencyHz,
74 float* magResponse, 76 float* magResponse,
75 float* phaseResponse); 77 float* phaseResponse);
76 78
77 void checkForDirtyCoefficients(); 79 void checkForDirtyCoefficients();
78 80
79 bool filterCoefficientsDirty() const { return m_filterCoefficientsDirty; } 81 bool filterCoefficientsDirty() const { return m_filterCoefficientsDirty; }
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98 // so DSP kernels know when to re-compute coefficients 100 // so DSP kernels know when to re-compute coefficients
99 bool m_filterCoefficientsDirty; 101 bool m_filterCoefficientsDirty;
100 102
101 // Set to true if any of the filter parameters are sample-accurate. 103 // Set to true if any of the filter parameters are sample-accurate.
102 bool m_hasSampleAccurateValues; 104 bool m_hasSampleAccurateValues;
103 }; 105 };
104 106
105 } // namespace blink 107 } // namespace blink
106 108
107 #endif // BiquadProcessor_h 109 #endif // BiquadProcessor_h
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