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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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25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 */ | 27 */ |
28 | 28 |
29 #include "config.h" | 29 #include "config.h" |
30 | 30 |
31 #if ENABLE(WEB_AUDIO) | 31 #if ENABLE(WEB_AUDIO) |
32 | 32 |
33 #include "platform/audio/HRTFDatabase.h" | 33 #include "platform/audio/HRTFDatabase.h" |
34 | 34 |
35 #include "platform/audio/HRTFElevation.h" | |
36 | 35 |
37 using namespace std; | 36 using namespace std; |
38 | 37 |
39 namespace WebCore { | 38 namespace WebCore { |
40 | 39 |
41 const int HRTFDatabase::MinElevation = -45; | 40 const int HRTFDatabase::MinElevation = -45; |
42 const int HRTFDatabase::MaxElevation = 90; | 41 const int HRTFDatabase::MaxElevation = 90; |
43 const unsigned HRTFDatabase::RawElevationAngleSpacing = 15; | 42 const unsigned HRTFDatabase::RawElevationAngleSpacing = 15; |
44 const unsigned HRTFDatabase::NumberOfRawElevations = 10; // -45 -> +90 (each 15
degrees) | 43 const unsigned HRTFDatabase::NumberOfRawElevations = 10; // -45 -> +90 (each 15
degrees) |
45 const unsigned HRTFDatabase::InterpolationFactor = 1; | 44 const unsigned HRTFDatabase::InterpolationFactor = 1; |
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115 elevationAngle = max(static_cast<double>(MinElevation), elevationAngle); | 114 elevationAngle = max(static_cast<double>(MinElevation), elevationAngle); |
116 elevationAngle = min(static_cast<double>(MaxElevation), elevationAngle); | 115 elevationAngle = min(static_cast<double>(MaxElevation), elevationAngle); |
117 | 116 |
118 unsigned elevationIndex = static_cast<int>(InterpolationFactor * (elevationA
ngle - MinElevation) / RawElevationAngleSpacing); | 117 unsigned elevationIndex = static_cast<int>(InterpolationFactor * (elevationA
ngle - MinElevation) / RawElevationAngleSpacing); |
119 return elevationIndex; | 118 return elevationIndex; |
120 } | 119 } |
121 | 120 |
122 } // namespace WebCore | 121 } // namespace WebCore |
123 | 122 |
124 #endif // ENABLE(WEB_AUDIO) | 123 #endif // ENABLE(WEB_AUDIO) |
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