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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 |
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29 #ifndef HRTFDatabase_h | 29 #ifndef HRTFDatabase_h |
30 #define HRTFDatabase_h | 30 #define HRTFDatabase_h |
31 | 31 |
32 #include "platform/audio/HRTFElevation.h" | 32 #include "platform/audio/HRTFElevation.h" |
33 #include "wtf/Forward.h" | 33 #include "wtf/Forward.h" |
34 #include "wtf/Noncopyable.h" | 34 #include "wtf/Noncopyable.h" |
35 #include "wtf/OwnPtr.h" | 35 #include "wtf/OwnPtr.h" |
36 #include "wtf/PassRefPtr.h" | 36 #include "wtf/PassRefPtr.h" |
37 #include "wtf/Vector.h" | 37 #include "wtf/Vector.h" |
38 | 38 |
39 namespace WebCore { | 39 namespace blink { |
40 | 40 |
41 class HRTFKernel; | 41 class HRTFKernel; |
42 | 42 |
43 class PLATFORM_EXPORT HRTFDatabase { | 43 class PLATFORM_EXPORT HRTFDatabase { |
44 WTF_MAKE_NONCOPYABLE(HRTFDatabase); | 44 WTF_MAKE_NONCOPYABLE(HRTFDatabase); |
45 public: | 45 public: |
46 static PassOwnPtr<HRTFDatabase> create(float sampleRate); | 46 static PassOwnPtr<HRTFDatabase> create(float sampleRate); |
47 | 47 |
48 // getKernelsFromAzimuthElevation() returns a left and right ear kernel, and
an interpolated left and right frame delay for the given azimuth and elevation. | 48 // getKernelsFromAzimuthElevation() returns a left and right ear kernel, and
an interpolated left and right frame delay for the given azimuth and elevation. |
49 // azimuthBlend must be in the range 0 -> 1. | 49 // azimuthBlend must be in the range 0 -> 1. |
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73 // Total number of elevations after interpolation. | 73 // Total number of elevations after interpolation. |
74 static const unsigned NumberOfTotalElevations; | 74 static const unsigned NumberOfTotalElevations; |
75 | 75 |
76 // Returns the index for the correct HRTFElevation given the elevation angle
. | 76 // Returns the index for the correct HRTFElevation given the elevation angle
. |
77 static unsigned indexFromElevationAngle(double); | 77 static unsigned indexFromElevationAngle(double); |
78 | 78 |
79 Vector<OwnPtr<HRTFElevation> > m_elevations; | 79 Vector<OwnPtr<HRTFElevation> > m_elevations; |
80 float m_sampleRate; | 80 float m_sampleRate; |
81 }; | 81 }; |
82 | 82 |
83 } // namespace WebCore | 83 } // namespace blink |
84 | 84 |
85 #endif // HRTFDatabase_h | 85 #endif // HRTFDatabase_h |
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