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Side by Side Diff: third_party/WebKit/Source/platform/audio/HRTFDatabase.h

Issue 2384073002: reflow comments in platform/audio (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 * 7 *
8 * 1. Redistributions of source code must retain the above copyright 8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer. 9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright 10 * 2. Redistributions in binary form must reproduce the above copyright
(...skipping 30 matching lines...) Expand all
41 41
42 class HRTFKernel; 42 class HRTFKernel;
43 43
44 class PLATFORM_EXPORT HRTFDatabase { 44 class PLATFORM_EXPORT HRTFDatabase {
45 USING_FAST_MALLOC(HRTFDatabase); 45 USING_FAST_MALLOC(HRTFDatabase);
46 WTF_MAKE_NONCOPYABLE(HRTFDatabase); 46 WTF_MAKE_NONCOPYABLE(HRTFDatabase);
47 47
48 public: 48 public:
49 static std::unique_ptr<HRTFDatabase> create(float sampleRate); 49 static std::unique_ptr<HRTFDatabase> create(float sampleRate);
50 50
51 // getKernelsFromAzimuthElevation() returns a left and right ear kernel, and a n interpolated left and right frame delay for the given azimuth and elevation. 51 // getKernelsFromAzimuthElevation() returns a left and right ear kernel, and
52 // an interpolated left and right frame delay for the given azimuth and
53 // elevation.
52 // azimuthBlend must be in the range 0 -> 1. 54 // azimuthBlend must be in the range 0 -> 1.
53 // Valid values for azimuthIndex are 0 -> HRTFElevation::NumberOfTotalAzimuths - 1 (corresponding to angles of 0 -> 360). 55 // Valid values for azimuthIndex are 0 -> HRTFElevation::NumberOfTotalAzimuths
56 // - 1 (corresponding to angles of 0 -> 360).
dcheng 2016/10/03 01:21:04 Nit: this expression is a bit hard to parse correc
Nico 2016/10/03 02:15:24 Done.
54 // Valid values for elevationAngle are MinElevation -> MaxElevation. 57 // Valid values for elevationAngle are MinElevation -> MaxElevation.
55 void getKernelsFromAzimuthElevation(double azimuthBlend, 58 void getKernelsFromAzimuthElevation(double azimuthBlend,
56 unsigned azimuthIndex, 59 unsigned azimuthIndex,
57 double elevationAngle, 60 double elevationAngle,
58 HRTFKernel*& kernelL, 61 HRTFKernel*& kernelL,
59 HRTFKernel*& kernelR, 62 HRTFKernel*& kernelR,
60 double& frameDelayL, 63 double& frameDelayL,
61 double& frameDelayR); 64 double& frameDelayR);
62 65
63 // Returns the number of different azimuth angles. 66 // Returns the number of different azimuth angles.
64 static unsigned numberOfAzimuths() { 67 static unsigned numberOfAzimuths() {
65 return HRTFElevation::NumberOfTotalAzimuths; 68 return HRTFElevation::NumberOfTotalAzimuths;
66 } 69 }
67 70
68 float sampleRate() const { return m_sampleRate; } 71 float sampleRate() const { return m_sampleRate; }
69 72
70 // Number of elevations loaded from resource. 73 // Number of elevations loaded from resource.
71 static const unsigned NumberOfRawElevations; 74 static const unsigned NumberOfRawElevations;
72 75
73 private: 76 private:
74 explicit HRTFDatabase(float sampleRate); 77 explicit HRTFDatabase(float sampleRate);
75 78
76 // Minimum and maximum elevation angles (inclusive) for a HRTFDatabase. 79 // Minimum and maximum elevation angles (inclusive) for a HRTFDatabase.
77 static const int MinElevation; 80 static const int MinElevation;
78 static const int MaxElevation; 81 static const int MaxElevation;
79 static const unsigned RawElevationAngleSpacing; 82 static const unsigned RawElevationAngleSpacing;
80 83
81 // Interpolates by this factor to get the total number of elevations from ever y elevation loaded from resource. 84 // Interpolates by this factor to get the total number of elevations from
85 // every elevation loaded from resource.
82 static const unsigned InterpolationFactor; 86 static const unsigned InterpolationFactor;
83 87
84 // Total number of elevations after interpolation. 88 // Total number of elevations after interpolation.
85 static const unsigned NumberOfTotalElevations; 89 static const unsigned NumberOfTotalElevations;
86 90
87 // Returns the index for the correct HRTFElevation given the elevation angle. 91 // Returns the index for the correct HRTFElevation given the elevation angle.
88 static unsigned indexFromElevationAngle(double); 92 static unsigned indexFromElevationAngle(double);
89 93
90 Vector<std::unique_ptr<HRTFElevation>> m_elevations; 94 Vector<std::unique_ptr<HRTFElevation>> m_elevations;
91 float m_sampleRate; 95 float m_sampleRate;
92 }; 96 };
93 97
94 } // namespace blink 98 } // namespace blink
95 99
96 #endif // HRTFDatabase_h 100 #endif // HRTFDatabase_h
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