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Issue 2389253002: reflow comments in modules/{webaudio,vr} (Closed)
Patch Set: . Created 4 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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79 AudioFloatArray m_inputBuffer; 79 AudioFloatArray m_inputBuffer;
80 unsigned m_writeIndex; 80 unsigned m_writeIndex;
81 81
82 // Input audio is downmixed to this bus before copying to m_inputBuffer. 82 // Input audio is downmixed to this bus before copying to m_inputBuffer.
83 RefPtr<AudioBus> m_downMixBus; 83 RefPtr<AudioBus> m_downMixBus;
84 84
85 size_t m_fftSize; 85 size_t m_fftSize;
86 std::unique_ptr<FFTFrame> m_analysisFrame; 86 std::unique_ptr<FFTFrame> m_analysisFrame;
87 void doFFTAnalysis(); 87 void doFFTAnalysis();
88 88
89 // Convert the contents of magnitudeBuffer to byte values, saving the result i n |destination|. 89 // Convert the contents of magnitudeBuffer to byte values, saving the result
90 // in |destination|.
90 void convertToByteData(DOMUint8Array* destination); 91 void convertToByteData(DOMUint8Array* destination);
91 92
92 // Convert magnidue buffer to dB, saving the result in |destination| 93 // Convert magnidue buffer to dB, saving the result in |destination|
93 void convertFloatToDb(DOMFloat32Array* destination); 94 void convertFloatToDb(DOMFloat32Array* destination);
94 95
95 // doFFTAnalysis() stores the floating-point magnitude analysis data here. 96 // doFFTAnalysis() stores the floating-point magnitude analysis data here.
96 AudioFloatArray m_magnitudeBuffer; 97 AudioFloatArray m_magnitudeBuffer;
97 AudioFloatArray& magnitudeBuffer() { return m_magnitudeBuffer; } 98 AudioFloatArray& magnitudeBuffer() { return m_magnitudeBuffer; }
98 99
99 // A value between 0 and 1 which averages the previous version of m_magnitudeB uffer with the current analysis magnitude data. 100 // A value between 0 and 1 which averages the previous version of
101 // m_magnitudeBuffer with the current analysis magnitude data.
100 double m_smoothingTimeConstant; 102 double m_smoothingTimeConstant;
101 103
102 // The range used when converting when using getByteFrequencyData(). 104 // The range used when converting when using getByteFrequencyData().
103 double m_minDecibels; 105 double m_minDecibels;
104 double m_maxDecibels; 106 double m_maxDecibels;
105 107
106 // Time at which the FFT was last computed. 108 // Time at which the FFT was last computed.
107 double m_lastAnalysisTime; 109 double m_lastAnalysisTime;
108 }; 110 };
109 111
110 } // namespace blink 112 } // namespace blink
111 113
112 #endif // RealtimeAnalyser_h 114 #endif // RealtimeAnalyser_h
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